44 results about "Cylinder block" patented technology

The invention discloses a high-pressure sealing nitrogen spring lever clamping device. An oil cylinder end cover is installed at the bottom of an oil cylinder body in a sealing mode, an oil cylinder piston is movably installed in the inner cavity of the oil cylinder body, the position between the inner cavity of the oil cylinder body and the large-end portion of the oil cylinder piston is sealed, the extended end of the oil cylinder piston penetrates through the top of the oil cylinder body to be movably connected with a press arm, the position between the extended end of the oil cylinder piston and the top of the oil cylinder body is sealed, the top of the oil cylinder body is movably connected with one end of a connecting rod, the other end of the connecting rod is movably connected with the press arm, and an oil inlet channel is arranged at the top of the oil cylinder body. A nitrogen spring full of nitrogen in the inside is arranged between the large-end portion of the oil cylinder piston and the oil cylinder end cover. The high-pressure sealing nitrogen spring lever clamping device utilizes the high-pressure sealed nitrogen spring to perform propulsion, clamps a workpiece through a hinge mechanism, does not need a power source, achieves pressure maintaining and clamping through the nitrogen spring, is high in stability, free of pollution and large in clamping stroke, saves energy, can adjust the clamping height and is driven to lift the press arm through oil pressure when the workpiece is loosened.

A power unit for a vehicle with an internal combustion engine including a cylinder block and a crankshaft. A speed change drive shaft is disposed at a position on the upper side of a static oil hydraulic type non-stage transmission and in parallel to the axis of the transmission. A plane connecting the axis of the speed change drive shaft and the axis of the transmission does not intersect with the axis of the crankshaft, and intersects with the axis of the cylinder center axis of the cylinder block at a position on the lower side of the axis of the crankshaft while making an acute angle with the axis of the cylinder center axis of the cylinder block.

A method for the high pressure die casting of an engine block assembly having at least one cast in place cylinder bore in the engine block and a closed head deck surface, and the resultant engine block are disclosed. This closed deck high pressure die cast engine block assembly will preferably have at least two cast in place cylinder bores in the engine block formed by using a composite core of salt core material supported by at least one cylinder bore to be cast in place. The cylinder bores have a lower outer surface preferably defining at least one surface area that interfaces with the engine block during casting such that the at least one cylinder is cast in place in the engine block. An engine block water jacket—as defined by the salt core portion of the composite core—will preferably provide an open passage between each cylinder bore such that water may flow around and entire outer circumference of the upper outer surface of the cylinder bores. This provides better and more uniform cylinder wall cooling, reducing thermal hot spotting and bore wall distortion.

The invention includes an engine oil collector, an engine oil pump, an engine oil filter, a cylinder, a cylinder head, an oil sump and a frame. A main oil passage, an auxiliary oil passage connected with the oil filter, an oblique oil passage and a vertical oil passage are disposed in the cylinder. An oil passage, an oil sump oil passage and a frame oil passage are disposed in the oil sump and the frame mechanism separately. The run of the basic oil passage is: the oil collector to the oil pump to the frame oil passage to the auxiliary oil passage to the oil filter to the main oil passage to the oblique passage to the vertical passage.

The invention discloses a hypodermic syringe, which comprises a main cylinder body, a drug mixing cylinder and a needle body. Two medicine storage tanks are arranged inside the main cylinder body, and a detachable medicine liquid bottle is installed in the medicine storage tank. The medicine liquid bottle includes The liquid medicine cylinder and the piston block, the liquid medicine cylinder is pre-filled with liquid medicine, the piston block is installed on the upper end of the liquid medicine cylinder, and the piston block can move in the liquid medicine cylinder, the bottom of the liquid medicine cylinder is made of rubber material, There is a push rod above the medicine storage tank in the main cylinder body, which can push the piston block to move, and a window cover is hinged on the main cylinder body to face the medicine storage tank; the mixing tank is detachably installed on the bottom of the main cylinder body, Two puncture needles are installed on the upper end of the drug cartridge, and a drug liquid mixing chamber is provided inside the drug mixing cartridge to communicate with the puncture needles. The bottom of the drug liquid mixing chamber is provided with an injection channel. The channel is connected, and the push rod pushes the two liquid medicine bottles to inject the liquid medicine into the liquid medicine mixing chamber and mix evenly, which can quickly and uniformly prepare the mixed medicine solution and reduce the pollution of the medicine solution.

A mold device and a method of manufacturing a cylinder block. The mold device comprises a split core having two first split cores formed so that the tip parts thereof may be in a tapering shape, two second split cores installed between the first spilt cores, and an inner core is installed at the center part and pushing out the first split cores in the direction receding from the center axis thereof. When the inner core is pushed out to push out and position the first spilt cores, both end parts of the second split cores are brought into contact with the tip parts of the adjacent first split cores, and the outer side-faces of the first split cores and the outer side-faces of the second split cores form a cylindrical shape. When the inner core is raised, the first split cores and the second split cores are pulled to the axial center by first engagement pieces and second engagement pieces.

The invention discloses a high-temperature gas-liquid dyeing machine, comprising a cylinder block, a main pump and a heat exchanger. Fabric in the cylinder block is cycled through a combination nozzle, a lift roller, an air nozzle, a fabric arrangement mechanism and a fabric storage tank; the combination nozzle includes a water nozzle and an atomizing nozzle; the water nozzle and the atomizing nozzle are communicated in a fabric moving direction; the main pump is communicated with the heat exchanger through a cylinder bottom main pipe; the heat exchanger is communicated with the water nozzle and the atomizing nozzle through a cylinder top main pipe. The high-temperature gas-liquid dyeing machine is suitable for crease and tension sensitive fabrics and provides good expansion for fabrics; flocs are rarely left in the machine herein and are easier to clean; a pump front automatic hair remover helps decrease manual operation; the requirement on dyeing process is low; water, gas and electricity are saved; dyeing quality and dyeing efficiency are high; the manufacture process is simple, and the cost is low.

An energy storage supercharger comprises an energy storage cylinder which is a closed cylinder body and is characterized in that a gas liquid separation structure is arranged in the energy storage cylinder to separate an inner cavity of the energy storage cylinder into a gas chamber and a hydraulic storage chamber. The gas liquid separation structure is composed of a first piston, a second piston and a support piece. The first piston and the second piston are arranged in parallel and are connected through the support piece to be fixed. The first piston is arranged in the gas chamber, and the second piston is arranged in the hydraulic storage chamber. A sealing ring is arranged at the contact position of the two pistons and the inner wall of the energy storage cylinder, and a gas liquid isolation chamber is formed between the two pistons. The diameter of the cross section of the gas chamber is larger than that of the cross section of the hydraulic storage chamber, and the diameter of the first piston is larger than that of the second piston. Compared with the prior art, the energy storage supercharger has the advantages of being low in cost, high in safety and good in applicability.

The invention discloses a boron-phosphorus alloy cast iron used for the cylinder body of an air compressor and a manufacturing process thereof. : Fe 94; C 3-4; Si 2-3; Mn 0.5-1.0; P 0.1-0.5; S 0.05-0.1; B 0.03-0.05. The manufacturing process of the present invention is: raw and auxiliary materials-pig iron, scrap steel-electric furnace smelting-tapping inoculation, inoculation with flow-filtering casting-finished cylinder body. The invention is suitable for making cylinder blocks of air compressors.

The invention belongs to the technical field of tunnel kilns, and particularly relates to a double-cylinder kiln car pusher which can be used for a tunnel kiln. A kiln car can continuously run by the aid of the double-cylinder kiln car pusher. The double-cylinder kiln car pusher comprises a kiln car pusher body device, two hydraulic cylinders and two car pushing traveling devices, wherein the kiln car pusher body device comprises a cylinder front transverse fixing plate, a cylinder rear transverse fixing plate, two cylinder traveling tracks and a cylinder traveling double-track combination, the two hydraulic cylinders comprise a left cylinder, a right cylinder and two piston rods, and the two car pushing traveling devices comprise cylinder pushing running fixing frames, shaft sleeves, pulleys, props, a fourth positioning switch, a third positioning switch, a first positioning switch and a second positioning switch. The double-cylinder kiln car pusher has the advantages that the kiln car can continuously run, burnt products are assuredly uniformly heated in a high-temperature zone, and the quality of the products is stable.

The invention discloses a double-thread screw-type swing hydraulic cylinder with a piston and a use method thereof, belongs to the field of hydraulic cylinders and solves the problems that a conventional swing hydraulic cylinder is complicated in structure and large in size and cannot be applied to environments which demand much on transmission precision and have narrow installation and use spaces. The double-thread screw-type swing hydraulic cylinder with the piston comprises an output threaded shaft, the piston, a hollow screw and an oil cylinder body and further comprises a nut, wherein the piston and the hollow screw are mutually connected and both arranged in the oil cylinder body; a through hole is formed in the piston; the output threaded shaft and the piston constitute a primary screw pair; the nut is fixed to the interior of the oil cylinder body, and the nut and the hollow screw constitute a secondary screw pair; and the primary screw pair and the secondary screw pair rotate in opposite directions. The double-thread screw-type swing hydraulic cylinder is simple in structure, small in size and precise in transmission; and during use, a relatively large swing angle can be finished by virtue of a relatively small stroke, and the double-thread screw-type swing hydraulic cylinder is suitable for being applied to environments which demand much on transmission precision and have narrow installation and use spaces.

The invention provides a two-position two-way piston type flanged buffer multi-medium angle seat valve, which comprises a valve body. A valve gate is arranged in the valve body, a joint end cap is arranged at the top of the valve body, a compression thread insert penetrates into a bottom cap, a rear cap is arranged at the top of a cylinder, a piston is arranged in the cylinder, and the tail end of a piston rod penetrates through the compression thread insert, a connecting sleeve and the joint end cap and is arranged in the valve body and fixed to the valve gate. The two-position two-way piston type flanged buffer multi-medium angle seat valve is characterized in that the front end of the piston is arranged in the compression thread insert, a buffer ring is arranged between the compression thread insert and the front end of the piston, a flange is arranged at an end of the valve body, and the valve body is connected with a pipeline through the flange. An open-close implementation control component is provided with a buffer device having a speed regulating function, the service condition of high pressure is effectively ensured, and impact and vibration noise is eliminated. As a flange connector is used for mounting the valve body, the valve body is more firmly connected with the pipeline of a user when in use, the valve is safer and more reliable, and the service performance of the valve is greatly improved.

The invention discloses an extruder oil cylinder piston rod and a novel oil cylinder structure. The piston rod comprises a piston rod body, wherein a connecting through hole is formed in the front end of the piston rod body; a slide bearing is inserted in the connecting through hole; the outer wall of the slide bearing is fixed on the inner wall of the connecting through hole; a hinge shaft is inserted in the slide bearing; the two ends of the hinge shaft extend outside the connecting through hole to form radial edges; screwing sections are formed at the two ends of the hinge shaft; a hinge plate is screwed on the screwing sections; the screwing sections are screwed with two locking nuts; the hinge plate is clamped between one locking nut and the radial edges; and the bottom end of the piston rod body is inserted on a piston head. An oil cylinder adopting the extruder oil cylinder piston rod comprises a cylinder body, wherein the cylinder body consists of a side wall cylinder and a cylinder bottom; the cylinder bottom is screwed on the side wall cylinder; the piston rod body and the piston head are inserted in the cylinder body; the length of the piston rod body can be changed as required to satisfy requirements; and meanwhile, the cylinder body adopts a split structure, so that the disassembly and the maintenance are convenient.

A piston assembling apparatus includes a piston holding means including a guide tube portion which contains the piston and guides the piston into the cylinder bore. A guide tube support portion supports the guide tube portion to be displaceable in a radial direction thereof. A moving means moves at least one of the piston holding means and the cylinder block so as to locate them at an insertion preparation position where the guide tube portion and the cylinder bore are coaxial with each other. A pressing means presses the piston contained in the guide tube portion toward the cylinder block to insert the piston into the cylinder bore in a state in which the piston holding means and the cylinder block are located at the insertion preparation position, and the guide tube portion is supported by the guide tube support portion to be displaceable in the radial direction thereof.

A bearing for wheel suspensions in a motor vehicle includes a metallic housing with a pot-shaped vertical section, a rubber buffer arranged in the housing, and an inner part. The inner part can be connected to a piston-and-cylinder unit and is fixed in the rubber buffer. A reinforcing part, which is supported axially and/or radially at the inner wall of the housing, is arranged in the rubber buffer.

The invention discloses a buffer capable of being adjusted in two directions. The buffer comprises a cylinder body. A vibration excitation pipe is arranged in the cylinder body. A vibration excitation pipe base is arranged at the left end of the vibration excitation pipe. A base gland used for adjusting the relative position of the left end of the vibration excitation pipe is arranged at the outer end of the vibration excitation pipe base. A bearing and a dust seal protection sleeve are sequentially arranged at the right end of the vibration excitation pipe. The part, located at the outer end of the cylinder body, of the bearing is of a first step structure. A second step structure is arranged on a cylinder cap, and a spring is arranged between the first step structure and the second step structure. An adjusting sleeve connected with the cylinder body and used for adjusting the relative position of the right end of the vibration excitation pipe is further arranged on the first step structure. By means of the buffer, the base gland is arranged on the left side of the cylinder body, the adjusting sleeve is arranged on the right side of the cylinder body, the relative position of the vibration excitation pipe can be adjusted in two directions by adjusting the base gland and the adjusting sleeve correspondingly, and therefore the damping of oil liquid can be adjusted in two directions, and the buffer can meet different occasion requirements.

The invention provides a valveless micro pump with manually adjustable strokes. The pump comprises a shell body, a motor, a cylinder and a trunk piston. The motor is fixedly connected with the top of the shell body. An output shaft of the motor is connected with the trunk piston. The trunk piston protrudes into the cylinder. A convex part is formed on one side of the shell body. The valveless micro pump also comprises a manual regulating mechanism and an angle adjustment linkage mechanism. The manual regulating mechanism passes through the convex part, and can move up-and-down in the convex part. One side of the angle adjustment linkage mechanism is connected with the manual regulating mechanism, and the other side of the angle adjustment linkage mechanism is connected with the bottom edge of the shell body. The shell body is arranged on the angle adjustment linkage mechanism. The angle adjustment linkage mechanism is used for adjusting the angle between the trunk piston and the motor output shaft. The valveless micro pump with manually adjustable strokes can achieve the stroke adjustment by only manual operation without the necessity of using professional tools, and has the advantages of being simple and convenient to operate, simple in structure and low in cost.

The invention discloses an automatic punching device for a cylinder body water sleeve. The automatic punching device comprises a steel structure bracket, an air storage tank, a first air cylinder, a second air cylinder, a third air cylinder, universal wheels, an operating electric cabinet and a PLC program controller; the steel structure bracket comprises an upper platform and a lower platform, the air storage tank is arranged on the lower platform, a groove is formed in the middle of the upper platform, a positioning jig is arranged in the groove, and a first side face air drill and a secondside face air drill are arranged on the two sides of the positioning jig correspondingly; the first air cylinder and the second air cylinder are arranged at the edges of the two sides of the upper platform correspondingly, a bottom air drill is arranged at the bottom of the upper platform, the third air cylinder is also arranged at the bottom of the upper platform, and the third air cylinder drives the bottom air drill to vertically penetrate through the upper platform and the positioning jig; the air storage tank communicates with the first air cylinder, the second air cylinder and the thirdair cylinder through an air pipe; the air pipe is provided with an oil cup, a pressure gauge, a pressure adjusting valve and an air filter; and the PLC program controller is arranged on the upper sideof the operating electric cabinet, and the universal wheels are mounted at the bottom of the steel structure bracket.

The invention discloses a cylinder block of a diesel engine. The cylinder block comprises a body and a plurality of cylinder holes, the multiple cylinder holes are directly machined and molded in the body, cooling water sleeves are arranged on the peripheries of the cylinder holes, and two water ways which are formed in a machining manner and extend from the top face of the body downwards are formed between every two adjacent cylinder holes, wherein the two corresponding water ways are intersected, and the lower ends of the two corresponding water ways are communicated with the cooling water sleeves of the corresponding cylinder holes. According to the cylinder block, the cylinder holes and the body are integrated together, the part between every two cylinder holes is cast into a solid, the water ways are formed in the machining manner, the cylinder center distance is decreased, the length, the weight and the cost of the cylinder block are reduced, distribution of the diesel engine is more compact, and the reliability of the cylinder block is improved.

A water purification device, including a first pressure cylinder, a second pressure cylinder, a first connecting piece and a second cylinder block arranged successively from bottom to top, and further comprising a first cylinder block arranged inside the second cylinder block. The first pressure cylinder and the second pressure cylinder both are open at one end and formed with a first through-hole at the other end; the first cylinder block and the second cylinder block both are open at two ends and arranged in a hollow shape. A water inlet, which is communicated with first flow passages formed between the first cylinder block and the second cylinder block, is formed on the second cylinder block, and a water outlet pipe, communicated with the first cylinder block, is inserted into an outer wall of the water purification device.

The invention relates to a clamping jaw structure for an automobile engine cylinder body or cylinder cover. The clamping jaw structure for the automobile engine cylinder body or cylinder cover comprises a clamping jaw device, wherein the clamping jaw device is mounted on a mounting plate through an X-Z sliding table, the clamping jaw device has freedom degrees of reciprocating motion along the X axis and the Z axis which are perpendicular to each other in the X-Z sliding table, the clamping jaw device comprises a locking air cylinder, a linear shaft, a clamping jaw, a connection rod, a connection seat and a clamping jaw mounting seat, the clamping jaw mounting seat is connected with the X-Z sliding table, the locking air cylinder is arranged in the clamping jaw mounting seat, the linear shaft is connected with the clamping jaw mounting seat in a sliding mode, one end of the linear shaft is connected with a piston rod of the locking air cylinder, the clamping jaw is hinged with one endof the connection rod, the other end of the connection rod is hinged with the connection seat mounted on the clamping jaw mounting seat, one end of the clamping jaw is hinged with the other end of thelinear shaft, the other end of the clamping jaw is a clamping end for grasping the cylinder body or the cylinder cover, and the linear shaft, the clamping jaw, the connection rod and the connection seat form a four linkage mechanism driven by the locking air cylinder to stretch out and draw back so as to drive the clamping end of the clamping jaw to clamp or loosen. The clamping jaw structure forthe automobile engine cylinder body or cylinder cover improves reliability of the clamping jaw, and improves assembly efficiency on an automobile engine production line.

The invention relates to an offshore installation buffer device. The device is composed of a plunger assembly, a cylinder assembly and an energy storage assembly; the plunger assembly comprises a nylon pad, a cushion pad, a lower end cover and a plunger body; the cylinder assembly comprises a cylinder end cover, an oil passage pipe, a cylinder body, a cylinder flange, an end cover flange and an oil tube joint; a first cylinder end cover is welded on the lower end of the cylinder body, and the cylinder flange is arranged outside the cylinder body; a second cylinder end cover and an end cover flange are fixedly connected; a check valve and a speed adjustment valve are mounted on the second cylinder end cover; an oil nozzle and an air exhaust pressure measuring joint are mounted on the upperportion of the cylinder body; the oil tube joint is welded on the top of the end cover; the energy storage assembly comprises an oil pipe, a stop valve and an energy accumulator; the oil nozzle is connected to the energy accumulator through the oil pipe and the stop valve; the plunger body is located below the cylinder body, and a gap between the plunger body and the cylinder body forms a cylinderinner cavity. The device is designed according to environmental factors during installation of an offshore draught fan, has the advantages of being capable of buffer reset of multiple times in a short time, simple in structure and high in reliability, and can effectively ensure smooth soft landing of the offshore draught fan.

The invention discloses a single-action telescopic sleeve hydraulic cylinder sealing protective device. The device is characterized in that: a multi-layer multi-stage cylinder is arranged inside a coating cylinder; one end among the multi-layer multi-stage cylinder is respectively provided with a guiding component, a spacing component, a main seal ring, an auxiliary seal ring and a dustproof ring; two guide rings are arranged between the main seal ring and the auxiliary seal ring; and two guide rings are arranged between the auxiliary seal ring and the dustproof ring. By means of the arrangement, the seal ring in the seal component is prevented from being deformed and torn, and the oil cylinder is prevented from leaking oil or falling off and the like when being lifted.

The cold press structurally comprises an upper bearing frame, a lower bearing frame, stand columns, a movable pressing plate, a pressurizing oil cylinder, a quick oil cylinder and the like. The upper staddle and the lower staddle are both grating-shaped rectangular frame bodies, connecting lugs are arranged outside the planes of two outer longitudinal rib plates in an outward protruding mode respectively, and a vertical through hole penetrating through the stand column in a sleeved mode is formed in each connecting lug. The two connecting lugs are opposite up and down in the upper bearing frame and the lower bearing frame; the movable pressing plate is positioned between the upper staddle and the lower staddle; cylinder bodies of the pressurizing oil cylinder and the rapid oil cylinder are fixed to the upper bearing frame, and piston rod ends of the pressurizing oil cylinder and the rapid oil cylinder are connected to the movable pressing plate. The cold press adopts a modular design, can be spliced and connected into a row cold press unit, and has the characteristics of material saving, easiness in processing, convenience in transportation, easiness in installation and debugging, flexibility in use, field saving and the like.

The invention relates to a balance cylinder and robot link integrated driving module. The balance cylinder and robot link integrated driving module comprises a driving platform, wherein the outer surface of the driving platform is movably connected with a balance cylinder; the balance cylinder comprises a cylinder body; the two ends of the cylinder body are respectively connected with a stretchingconnector and a fixed connector; the stretching connector and the fixed connector are oppositely arranged; the fixed connector is movably connected with the driving platform; the stretching connectoris connected with a movable arm of a robot; the two ends of the cylinder body are fixedly connected with cylinder covers; the fixed connector is fixedly connected with the outer surfaces of the cylinder covers of the cylinder body; the stretching connector is connected with a pull rod piece; and the pull rod piece penetrates through the cylinder covers of the cylinder body and is inserted into the cylinder body. The balance cylinder and robot link integrated driving module is simple in structure, convenient to operate and flexible to use; and the service life of the balance cylinder is effectively prolonged and the balance cylinder and robot link integrated driving module is convenient to popularize and apply.