142 results about "Pulley" patented technology

The invention relates to a portable water quality sampler, which mainly comprises a water quality sampling probe, a telescopic pole, a sampling pipeline automatic winding and unwinding reel and a handheld terminal. The water quality sampling probe comprises a deep detection sensor and a sampling pump; the telescopic pole comprises a plurality of telescopic rods, a pulley block, a hook and a suspension seat; the sampling pipeline automatic winding and unwinding reel comprises a reeling disk, a winding motor, a counterweight, a cable, a sample conveying tube, a suspension balance frame and a reel bracket, and the handheld terminal comprises a LCD screen and keys. The whole system has the advantages of light quality, disassemble components and convenient carrying; the telescopic pole structure can be used to collect intermediate water samples in rivers, ditches and reservoir banks, the winding motor controls the reeling disk to adjust the putting-in depth of the probe for water quality sampling of different water depths, the deep detection sensor can be used for real-time detecting of the water depth of the probe so as to ensure the sampling pump can accurately acquire a surface layer, middle layer and bottom layer water sample, and the handheld terminal can be used for sampling horizon setting and sampling motor control.

The invention relates to a cutting device, and particularly relates to an efficient cutting device of a hardware steel pipe. The invention aims to solve the technical problem of providing the efficient cutting device of the hardware steel pipe, which has the advantages of high cutting efficiency, high cutting speed and time and labor saving. In order to solve the technical problem, the invention provides the efficient cutting device of the hardware steel pipe. The efficient cutting device comprises a placing platform, an electric manipulator, a support rod, a sliding block, a first spring, a baffle, a sliding rail, a lifting rod, a guide plate, a fixed plate, a contact roller, a small belt pulley, a cam, a left bracket, a top bracket, a first belt, a gear motor, a double-groove belt pulley, a reeling wheel, a big belt pulley, a pull wire, a second guide wheel and the like, wherein the left bracket and the like are arranged at the bottom of the top bracket in sequence from left to right. The efficient cutting device has the effects of high cutting efficiency, high cutting speed, time and labor saving, novel design, convenience in use, easiness in operation, high practicability, high safety in operation and difficulty in damage, and economic benefits are increased.

The invention relates to a bobbin-equipped wire take-up machine, which comprises a frame, a supporting and lifting mechanism mounted on the frame, a first and a second moving thimble device mounted at two sides of the supporting and lifting mechanism respectively, and a smooth rod wire arrangement device mounted above the supporting and lifting mechanism. The supporting and lifting mechanism includes a support frame mounted at one side of the frame, a first and a second guide wheel are mounted at the other side of the frame, a first and a second pulley are mounted under the first and the second guide wheel, a wire rope is wound on the first and the second guide wheel and the first and the second pulley, two ends of the wire rope are fixed on the support frame, a screw nut seat is arranged on the wire rope between the first and the second pulley and fitted on a screw, one end of the screw is connected with the power output end of a deceleration motor, and the other end of the screw is mounted in a screw seat via a bearing. The inventive machine has the advantages of compact and reasonable structure, convenient operation, stable lifting process and wire take-up process of bobbin, and good wire take-up quality.

The invention provides an elevator apparatus comprising a cage 1 disposed inside a path of upward or downward movement vertically movably, a counterweight 2 vertically movable with the upward or downward movement of the cage 1, and a lift drive mechanism for driving the cage 1 upward or downward. The drive mechanism comprises a sheave 42 disposed inside the path, ropes 3 extending along a route around the sheave 42, and a drive device 5 in engagement with the ropes 3. The drive device 5 comprises a belt transmission provided alongside the ropes 3 and revolvingly movable along the rope extension route, a mechanism for pressing a belt surface of the belt transmission into contact with the ropes 3, and a drive motor for driving the belt transmission. The cage can be driven upward or downward without using any traction sheave, while the cage can be reduced in weight.

A trailer bed system for loading/unloading a trailer without the usage of ramps. The trailer bed system includes a main frame with a plurality of supporting wheels, a deck frame pivotally attached to the main frame, and a front hitch structure pivotally attached to the deck frame. An actuator unit is attached to the front hitch structure and manipulates a length of cable that is attached to a pulley system thereby allowing for the control of the height of the deck frame.

The invention discloses an automobile hand brake fatigue test rack. The test rack is provided with a traction cable (18), a traction pulley (17), a traction poise (19), a hand brake operating cylinder (4) and a hand brake button cylinder (5), wherein a time relay and a travel switch are arranged in a control circuit of the automobile hand brake fatigue test rack; and the travel switch is a limit position travel switch of the hand brake operating cylinder (4). By using the technical scheme, the ascending process of the cylinder is controlled by the time relay and the travel switch together, and the ascending time of the cylinder is controlled by the time relay; a deflation device is adopted during loading of force on a ratchet and a tooth plate to guarantee that the load is fully loaded onthe ratchet and the tooth plate; the loading time is controlled by the time relay and can be flexibly adjusted according to a standard requirement; and the test rack has high universality and is suitable for generalization and application.

Certain exemplary embodiments provide for an overhead lift storage device comprising a longitudinal track for overhead mount and a pulley system for guiding at least one cable-like element therethrough. Each cable-like element has a connection end configured for connection with an article to be stored in a suspended storage position. An activation system is used to operate the pulley system causing the cable-like element to raise or lower a connected article between a lowered connecting position and a suspended storage position. A weight limiting clutch is used to limit the maximum force which can be used to lift a load thereby decreasing the risk of failure of the pulley system or cable-like element. A safety catch may be incorporated into the overhead lift storage device for taking the load off of the pulley system and/or cable-like element when the article is in the suspended storage position. The safety catch interacts directly with the cable-like element or a component thereof to take the load of the suspended article and does not support the article from below.

The invention discloses a thoracolumbar spine and cervical vertebra physiotherapy integrated machine. The thoracolumbar spine and cervical vertebra physiotherapy integrated machine comprises a treatment table board, a steering arm, a control tower and a pulley lifting device, wherein the treatment table board comprises a head-side half table board part and a foot-side half table board part, and at least one of the head-side half table board part and a foot-side half table board part is matched with a support slide rail in a sliding manner; the support slide rail is mounted on a lifting support in a pivoting manner around a horizontal axis and/or a vertical axis; the head-side half table board part is provided with a headrest module; the steering arm is pivotally mounted in the middle position, along the width direction, of one end of the support slide rail, and is provided with a patient table board positioning belt locking device and at least two pulleys, and the positions of the patient table board positioning belt locking device and the at least two pulleys are adjustable in position along the longitudinal direction of the steering arm; the control tower is communicated with a computer control device performing physiotherapy according to a treatment curve, is internally provided with a drive device which generates pull force according to the treatment curve information sent by the control device; and the pulley lifting device changes the direction of the pull force generated by the drive device and than acts the pull force on the spine of a patient. The thoracolumbar spine and cervical vertebra physiotherapy integrated machine has two purposes, and thus the financial burden of the patient is alleviated.

A generally leak proof open top self securing container for a human user and or their objects forms either a water craft or small toy boat or floating tackle tray; and pending a final size and or material which the no-parts container is formed of. The container comprises end walls (18) having hingedly connected interlocking flaps (20) having notches (22) that interlock with other notches (12) (13) (15) located within the edges of the side walls (10) to wedge-lock and laterally secure the end walls (18) between the interlocked locations and exteriorly located triangular shape hingedly-mated corner projections (24). No fastening parts, or adhesives, or tabs or interiorly located tab receiving apertures are required to retain the structural stability of the preferred embodiment. One alternative embodiment includes additional bend lines (5) extending the width to enable a compact folding. Alternative embodiments include a hingedly connected side wall strengthening flap (14) (16) having perforated portions (17) within the bend line (6) for optional removal. Final embodiments include closed cell floatation foam (40), flute channel plugs (44) (46) (48), side wall apertures (26), connecting rods (39), and elastic cords (36).

The present invention provides an outdoor conveyor of building, which can effectively settle the problem for conveying daily life article for the householder living in high storey. Furthermore the outdoor conveyer can be operated for using in residence or one building. The article is automatically hoisted and unloaded in an assigned storing device. The outdoor conveyor of building comprises an article hoisting system, an article storing device and a protecting device. Specifically, a track in the article hoisting system is fixed on the wall body through a base board. A hoisting device is fixed on the track. The protecting device is fixed below the track. An article loading device is positioned on the track through a pulley assembly and is connected with the hoisting device through a cable. The hoisting device is installed with an overload protection device. The article storing device is fixed on the wall body next to the window. An operating switch is respectively installed in the residence and the storey one. Furthermore a remote control device is provided.

The invention relates to a pipe mounting construction technology, in particular to a construction method for mounting a large-diameter pipe by applying a cableway in a complex mountain terrain, and solves the problems of long construction period, high construction strength, severe disruption of local vegetation environment and high construction difficulty in a traditional long-distance mounting construction technology of the large-diameter pipe under the condition of complex mountain terrain. The construction method for mounting the large-diameter pipe by applying the cableway in the complex mountain terrain is realized by the steps of: (a) installation of an aerial cableway: two bearing cable ground anchors, a lifting cable ground anchor, a support column, a winch, a turning fixed pulley, a bearing cable, a bearing saddle base, a traction cable, two lifting fixed pulleys, a counterweight, a lifting movable pulley, a lifting cable and a lifting hook are selected; (b) transportation of pipe joints; (c) placement in position of the pipe joints; and (d) assembly of the pipe joints. The construction method is suitable for long-distance mounting construction of the large-diameter pipe under the condition of complex mountain terrain.

The invention discloses a gravity-type adjustable rolling too, which is formed by a gravity reversing mechanism, a gravity drawing mechanism and a roller-type rolling head or ball-type rolling head, wherein the gravity reversing mechanism realizes the goal of reversing through three fixed pulleys and matched drawing ropes; the gravity drawing mechanism generates constant pulling force through the suspended weight and converts the pulling force of the weight into rolling force to a workpiece through the gravity reversing mechanism; and the roller-type rolling head or ball-type rolling head is fixedly connected on a rolling shaft in the gravity drawing mechanism and directly rolls the workpiece. By adopting the three mechanisms, the rolling tool can ensure the rolling force to be constant when the surface of the workpiece fluctuates slightly or severely, and the rolling force can be conveniently and rapidly varied through varying the mass of the suspended weight. The rolling tool has the advantages of simple structure, convenient manufacturing and low cost and can be directly used on common lathes.

A tensioner comprising a base, a ring engaged with the base, the ring rotatable about a center “C” within a base opening, a pulley journalled to the ring, a pivot arm pivotally engaged with the ring, a pulley journalled to the pivot arm, a torsion spring disposed between the ring and the pivot arm for urging the pivot arm, a damping assembly frictionally disposed between the base and the ring, a spring applying a normal load to the damping material, and the damping material having a resistance in the range of greater than 0Ω up to approximately 10,000Ω.

A pitting knife assembly including a pitting knife mount and a pulley drive assembly coupled and configured to move the knife mount around a circular or substantially circular path, and a fruit pitting apparatus including such an assembly. During operation of the pitting knife assembly with at least one pitting knife mounted to the knife mount and a fruit conveying assembly positioned to convey fruit to the pitting knife assembly, the pitting knife can produce pitted fruit by moving into engagement with fruit conveyed by the conveying assembly (to pit the fruit) as the knife mount moves through a first portion of the path, and the pitting knife can then move out of engagement with (and away from) the pitted fruit as the knife mount moves through a second portion of the path. Typically, the pitting knife assembly includes a drive shaft assembly rotatably mounted to a frame, at least one pair of pulleys coupled to and drivable by the drive shaft assembly, and a connector rotatably connected between the pulleys of each said pair so as to remain oriented at least substantially parallel to a line through the centers of the pulleys of the pair while the pulleys are driven by the drive shaft assembly, and the pitting knife mount is coupled to the connector such that said connector moves the pitting knife mount around the at least substantially circular path when each said pair of pulleys is driven by the drive shaft assembly.

The invention discloses a water tightness test device and belongs to the field of test devices. The water tightness test device comprises a watertight storage tank housing, a loading oil cylinder used for providing a loading force, a pulley, a mounting seat used for mounting a tested winch and the loading oil cylinder, and a closed connecting rope, wherein one end of the closed connecting rope is sleeved with the pulley; the pulley is mounted at the telescopic end of the loading oil cylinder; the loading oil cylinder is mounted on the mounting seat; the mounting seat is arranged on the bottom surface in the watertight storage tank housing; a water source inlet is formed in the watertight storage tank housing; the watertight storage tank housing comprises an upper half watertight storage tank and a lower half watertight storage tank which are hermetically connected; a connector flange is arranged at the bottom of the lower half watertight storage tank; a hydraulic pipeline of a hydraulic pump station penetrates through the connector flange to be connected with the loading oil cylinder. According to the test device, a pressure is provided by the loading oil cylinder and transmitted to a winding barrel through the pulley and the closed connecting rope so as to test the water tightness of the tested winch in positive and negative directions and at different rotating speeds.

An object is to increase the mechanical efficiency of an injection molding machine, decrease the inertia, and decrease the axial length. The injection molding machine comprises a cylinder member; an injection member disposed within the cylinder member such that the injection member can advance and retract; an injection motor (82); and a transmission shaft which is connected to the injection member such that the transmission shaft can rotate relative to the injection member. The transmission shaft has a rotation transmission portion, to which rotation of the injection motor (82) is transmitted, as well as a motion conversion portion for converting rotational motion to linear motion. The injection motor (82) and the transmission shaft are disposed on the same axis, and the transmission shaft is advanced and retracted inside the rotor (92) of the injection motor (82). In this case, since rotation of the injection motor (82) is transmitted directly to the transmission shaft without intervention of a speed reduction mechanism, a pulley, and the like, mechanical efficiency can be improved, and inertia can be decreased. Further, the time required for changeover from the injection stage to the pressure holding stage is shortened. Since the transmission shaft is advanced and retracted inside the rotor (92) of the injection motor (82), the injection molding machine can be reduced in axial length.

The invention relates to an automatically adjustable stroke yoke plate for electric power lines in a mining influence region, belongs to the technical field of electric power system equipment, and particularly relates to equipment used by straight line pole towers in the mining influencing region and a poor geological condition region for the electric power lines. In order to solve the technical problems, the invention provides a device capable of automatically regulating the suspension string offset. The yoke plate has the technical scheme that the automatically adjustable stroke yoke plate for electric power lines in the mining influence region is characterized in that the upper part of a yoke plate body is provided with a dimension identifier, the lower part of the yoke plate body is provided with a pulley groove used for containing a pulley, the top of a specially made connecting hardware is connected with the pulley through a connecting screw bolt, in addition, the specially made connecting hardware is positioned under the yoke plate body, the bottom of the specially made connecting hardware is connected with a connecting hardware, the middle part of the dimension identifier of the yoke plate body is provided with a dimension identifier indicating device, and the top of the specially made connecting hardware is provided with a specially made connecting hardware identifier indicating device. The yoke plate is applied to straight line pole towers in the mining influencing region and the poor geological condition region for the electric power lines.

The invention discloses a cable stripper with a stripping thickness adjustment function. The cable stripper includes a stripper body which is provided with a grip at the bottom. A cable fixing cavity is arranged in the middle of the inside of the stripper body. A blade fixing block and a cutting blade are installed in a blade mounting hole. An adjustable pulley and an adjustable pulley fixing frame are rotationally connected by an adjustable pulley shaft. The adjustable pulley and a fixed pulley are each coated with a pulley antiskid sleeve. As a cable fixing device capable of adjusting and fixing the sizes of different cables and a device capable of adjusting the depth of the cutting blade are arranged, the problem that the traditional cable stripper can only strip the sheath of a cable of specific diameter is solved, and a cable can be cut without applying a pressure to the cutter head or pulling the cable. A device which can be fixed on a work bench is arranged, and a user only needs to pull a cable when cutting the sheath of the cable.

The invention relates to the technical field of environment-friendly and energy-saving vermicelli manufacturing devices, and discloses a novel environment-friendly and energy-saving vermicelli manufacturing device which comprises a base plate. A box is fixedly connected to the top of the base plate. A motor is fixedly connected to one side of the top of the box through a supporting plate. the outer surface of an output shaft of the motor is sleeved with a first belt pulley, a gear is rotationally connected to the portion, on one side of the motor, of the top of the box, a second belt pulley isfixedly connected to the front face of the gear, the outer surface of the second belt pulley is in transmission connection with the outer surface of the first belt pulley through a belt, a supportingcolumn is fixedly connected to the portion, on one side of the gear, of the top of the box, and a straight toothed plate is in sliding connection with one side of the supporting column. When the novel environment-friendly and energy-saving vermicelli manufacturing device manufactures sweet potato vermicelli, an extrusion plate can be driven by a motor to flexibly extrude powder syrup, it is ensured that no crack is formed in the vermicelli manufacturing process, and the vermicelli production efficiency is improved.

The invention relates to the fields of indoor tests in geotechnical engineering and geological engineering, relates to a tester for the lateral expansibility of a soft rock, and especially relates toa tester and a test method for the lateral expansibility and the expansion deformation of the expansive soft rock in the engineering field. The main body structure of the tester includes a loading cap, a pressure bearing plate, dynamometers, pulleys, a sample loading chamber, a water permeable plate, a sliding protection tank, a proving ring, a dial gage, a pressure display instrument, a filter paper, a bearing bottom plate and a stationary block. The test method makes the lateral expansion deformation and the lateral expansibility of the expansive soft rock under the action of vertical load have a high consilience with onsite data of the engineering, is an accurate test method for knowing the mechanical performances of the expansive soft rock in the engineering, and provides a basis for the lateral deformation of the soft rock.

The invention relates to the technical field of mechanical fixing support accessory equipment, in particular to portable fixed support equipment for a gas protection welding furnace. According to the portable fixed support equipment, the height of a support device can be adjusted according to needs of workers to improve the adaptive capacity of the support device; the support device can incline to reduce use limitation of the support device; the support device can rotate so that the practicability of the support device can be improved; the portable fixed support equipment comprises the support device, a support and a base plate, and the support comprises an inserting column, an inserting pipe, a limiting column, two limiting springs and two limiting blocks; left through holes and right through holes are formed in the left side wall and the right side wall of the inserting column correspondingly, and a plurality of left limiting holes and a plurality of right limiting holes are longitudinally formed in the left side wall and the right side wall of the inserting pipe correspondingly; the support device comprises a supporting plate, a supporting frame, a first rotary shaft, a second rotary shaft and a limiting rod, and a first groove is formed in the top end of the supporting plate; the portable fixed support equipment further comprises a supporting disc and a rotary column, and a storing groove is formed in the top end of the supporting disc and internally provided with a ball bearing; and the portable fixed support equipment further comprises two supporting columns and two pulleys.

The invention discloses a remotely controlled double-brake cable crane trolley which comprises a body, a traveling pulley which is fixedly arranged in the body and used for suspending the trolley on a carrier cable and a lifting pulley for bearing a hoisting rope, wherein a reverse dual-interlocking hydraulic brake and a working power supply are arranged in the body; the reverse dual-interlocking hydraulic brake comprises a hydraulic remote control system, a fixed brake shoe A and a carrier cable brake shoe which are arranged on the upper and lower sides of the carrier cable, and a fixed brake shoe B and a hoisting cable brake shoe which are arranged on the upper and lower sides of the hoisting cable. The remotely controlled double-brake cable crane trolley is provided with the reverse dual-interlocking hydraulic brake which can be remotely controlled, and interlocking brake of the carrier cable and the hoisting cable can be realized, so that a special trolley traction cable is saved. Therefore, a power capstan system and a cable system of a logging cable crane are greatly simplified, and the agility and maneuverability of the cable crane in forestry logging operations are improved.