71 results about "Threaded rod" patented technology

The invention relates to a high efficient filter bag dust separation device which has high efficient dust removal effect with low energy consumption. The device comprises a case, a blower, a filter bag frame, a flat cloth bag filtering device, a dust cleaning mechanism, a dust collecting draw. In the flat cloth bag filtering device, a plurality of flat cloth bags which form the flat cloth bag collection are internally provided with flat cloth bag separating plates, the double faces of which take concavo-convex structure. The dust cleaning mechanism is composed of an eccentric vibratory mechanism, a connection rod, a socket connecting piece, a connecting piece, a connecting plate and a threaded rod. The end surface of the eccentric vibratory mechanism is connected with one end of the connection rod; the other end of the connection rod is connected with the socket connecting piece; the connecting plate is connected with the socket connecting piece by the connecting piece; the threaded rod is screwed on the connecting rod and is connected with the connecting plate in a revolving way; the rectangle frame of the filter bag frame is composed of a left rack, a right rack, a front rack and a rear rack; wherein, the lower end surfaces of the left rack and the right rack are respectively provided with a groove profile guide way and the notches of the two groove profile guide way are opposite.

The invention provides a one-by-one type fruit bagging device which is formed by a bag placing device, a bag pushing device, a handheld device and special bags. The bag placing device comprises a supporting plate provided with at least three supporting rods on the upper surface in the vertical direction; the bag pushing device comprises an overrunning clutch, a threaded rod, sliding pipes and a drive mechanism, wherein the overrunning clutch is arranged on the inner side of an inner wheel of the supporting plate and provided with threads, the threaded rod is connected with the inner wheel through the threads and penetrates through the bottom of the supporting plate, the sliding pipes arranged on the supporting rods in a sleeving mode are arranged at the top of the threaded rod, and the drive mechanism drives an outer wheel of the overrunning clutch. Openings of the special bags are provided with elastic rings, and the periphery of each special bag is provided with circular rings with the number same as that of the supporting rods. The diameter of each circular ring is larger than that of each supporting rod and smaller than the outer diameter of each sliding pipe. The circular rings are used for being arranged on the supporting rods in a sleeving mode and abutting against the upper portions of the sliding pipes. According to the bagging device, multiple fruits slide out of the bags one by one, and the special bag utilization efficiency is improved.

The invention discloses a switchgear with adjustable internal space. The switchgear comprises a bottom plate. The top of the bottom plate is fixedly connected with a box body. A fixed plate is fixedlyconnected between two sides of the inner wall of the box body. A movable plate is slidably connected with the top of the fixed plate between two sides of the inner wall of the box body. Threaded blocks are fixedly connected with two sides of the movable plate. Each inside threaded block is in threaded connection with a threaded rod. The top end of each threaded rod passes through the box body andextends to the top of the box body. The outer surface of one end, which extends to the top of the box body, of each threaded rod is sleeved by a first bevel gear. The invention relates to the technical field of switchgears with adjustable internal space. According to the switchgear with adjustable internal space, the threaded blocks drive the movable plate to move through the rotation of the threaded rods; the switchgear has a good adjustment function, and can store electrical components of different sizes; the practicality of the switchgear is greatly improved; and the switchgear can meet the needs of different people.

The invention relates to the field of environmental protection equipment, specifically relates to flue gas white smoke removal equipment for an intelligent production factory of a rubber plant. The equipment has a chimney tube; an air inlet ring is inserted into the bottom of the chimney tube; a plurality of groups of air inlet pipes are uniformly welded on the air inlet ring at equal intervals; adriving motor is arranged in the center of the bottom of the chimney tube; a dustproof sleeve is arranged outside the driving motor in a sleeving manner; a connecting shaft sleeve sleeves a rotatingshaft at the top of the driving motor; a threaded rod is inserted into the top of the connecting shaft sleeve, a waste liquid ring is attached to the bottom of the inner wall face of the chimney tube,a collecting funnel is welded to the edge of the inner side of the upper surface of the waste liquid ring, the threaded rod is sleeved with a rotating sleeve, and four sets of cleaning blades are evenly welded to the side face of the rotating sleeve at equal intervals in a surrounding mode. According to the equipment, cleaning rollers are attached to the inner wall face of the chimney tube to roll through elastic force of compression springs, and sundries attached to the inner wall face of the chimney tube are cleaned through rotation of the cleaning rollers.

Provided is equipment for cloth material spinning with a function of squeezing out wind. The equipment comprises a dyeing shell body, wherein the inner portion of the dyeing shell body is provided with a dyeing cavity, a cloth material penetrates through the inner portion of the dyeing cavity, the upper and lower sides of the cloth material are symmetrically provided with two spraying feeding devices, the spraying feeding devices comprise mounting columns, the mounting columns run through the dyeing shell body and are fixedly connected, the inner portions of the mounting columns are provided with dyestuff containing cavities, the inner portions of the dyestuff containing cavities are provided with moving rubber blankets, vertical columns are arranged above the moving rubber columns, the vertical columns are provided with grooves with downward openings, the grooves are internally provided with threaded rods, and the top ends of the threaded rods are fixedly connected with output shaftsof first motors. The equipment for the cloth material spinning with the function of squeezing out wind has the advantages that the first motors drive the threaded rods to rotate, lifting columns cooperating with the threaded rods move downward, thereby the lifting columns drive the moving rubber blankets to move downward to squeeze dyestuffs in the dyestuff containing cavity, so that the dyestuffsare injected through dyestuff spraying pipes.

The invention provides a color steel deburring device. The color plate deburring device comprises support legs. Support feet are fixedly connected to bottoms of the support legs correspondingly. Topsof the support legs are fixedly connected through transverse beams. A servo motor is fixedly installed on the outer wall of one of the support legs. A threaded rod is in transmission connection with one side of the servo motor through a motor shaft. The threaded rod is rotatably connected to a bearing on the other support leg. A threaded bushing is in threaded connection with the threaded rod. Thecolor steel deburring device has the beneficial effects that a fixing frame is arranged; a composite steel plate to be machined is fixed to a working table through the fixing frame and a fastening plate; then the distance between scraping plates and the composite steel plate is adjusted through an electric telescopic rod; the threaded bushing is driven to move left and right through rotation of the threaded rod; the scraping plates are utilized to clean burrs on the steel plate surface; in the cleaning process, air is blown by a fan, scraps on the steel plate surface are blown away, and a cleaning part is played; and practicality of the color steel deburring device is increased greatly.

The invention discloses an adjustable pit digging device for agricultural planting, relates to the technical field of agricultural equipment, and mainly aims to solve the problems of high labor intensity and low working efficiency of an existing manual pit digging manner. The adjustable pit digging device comprises a cart and a pit digging unit mounted on the cart; the pit digging unit comprises amounting ring, a driving mechanism used for driving the mounting ring to rotate, a mounting block, an electric push rod, a first disc, a second disc and a shovel, and an adjusting assembly used for adjusting the pit digging size is further connected between the mounting block and the mounting ring and comprises a threaded rod, an inner threaded sleeve and a connecting rod; and the adjustable pitdigging device further comprises a seedling conveying unit, the adjustable pit digging device comprises a seedling conveying shovel, a conveying belt assembly for conveying seedlings to the seedling conveying shovel and a seedling conveying mechanism for driving the seedling conveying shovel to move, and the seedling conveying mechanism comprises a connecting rod, a linkage rod, a third disc and athird motor. The pit digging unit is arranged, so that automatic pit digging is achieved, the working efficiency is improved, and the pit digging size can be adjusted; and the seedling conveying unitis arranged, seedling conveying is automatically completed, and the working efficiency is improved.

The invention discloses a socket head cap screw processing technology. The socket head cap screw processing technology is characterized by mainly comprising the following steps: (1) head beating; (2) forced bundling: placing a workpiece obtained in the step (1) in a first station die and forcedly bundling to obtain a threaded rod part with a shaft shoulder; (3) pre-upsetting: carrying out head pre-upsetting treatment on the workpiece obtained in the step (2) through a second station die; (4) re-upsetting and internal and external chamfering: carrying out head re-upsetting treatment on the workpiece obtained in the step (3) through a third station die; (5) inner hexagon hole punching and forming: punching an inner hexagon hole in the workpiece obtained in the step (4) through a fourth station die and forming; (6) thread rolling: processing threads on the threaded rod part by using a thread rolling machine; and (7) heat treatment. The invention aims to provide a hexagon socket head shoulder screw manufacturing technology which is convenient to process and high in production efficiency and can guarantee high-precision standard requirements of the product.

The invention discloses a rostrum for teachers in junior high schools. The rostrum includes a rostrum body, a retractable plate is arranged in an inner cavity of the rostrum body, the right side of the retractable plate penetrates through the rostrum body and extends to the outer side of the rostrum body, a supporting leg is fixedly connected to the right side of the bottom of the retractable plate, a first bracket is fixedly connected to the bottom of the supporting leg, and a first roller is movably connected to the bottom of the first bracket. Through arrangement and cooperation of the rostrum body, the retractable plate, the supporting leg, the first bracket, the first roller, a second bracket, a second roller, a sliding groove, a threaded sleeve, a threaded rod, a first rotating rod,a first gear, a second gear, a second rotating rod, a connecting rod, a handle, a first connecting block, a second connecting block, a movable plate, a fixing block and a fixing rod for use, the problem that the use areas of existing rostrums in classrooms cannot be increased is solved, and the rostrum for teachers has the advantages of an increasable use area and is worthy of popularization.

The invention discloses a multi-caliber pipe bending device for steel pipe machining, and relates to the technical field of steel pipe machining. The device comprises a workbench, limiting bases whichare symmetrically arranged are fixed to the edges of the two sides of one end of the workbench, extension seats are sleeved between the two ends in the two limiting seats, a two-way threaded rod in threaded fit with the extension seats is rotationally connected between the tops of the two limiting seats, and clamping pieces are in threaded connection with the side surfaces of the opposite ends ofthe two extension seats; and an air cylinder is fixed to the surface of one end, away from the limiting seats, of the workbench, a connecting frame is fixed at the end of a piston rod of the air cylinder, the end of the connecting frame is sleeved with a pipe bending plate, and the end of the pipe bending plate is sequentially sleeved with a plurality of pipe bending frames. According to the device, under the action of the limiting seats and the clamping pieces, steel pipes with different calibers can be clamped and limited, the two-way threaded rods rotate to enable the two extension seats to relatively move to adjust the bending diameter, the pipe bending plate and the pipe bending frames are connected in a sleeving mode, pipe bending treatment can be conveniently conducted on the steelpipes with different calibers, and universality is high.

The invention discloses a self-cleaning hot air circulation air box. The self-cleaning hot air circulation air box comprises an air box body with an opening in one end, wherein a box door is hinged tothe opening end of the air box body; a plurality of horizontally-arranged transverse strips are arranged on the inner side wall of the air box body; a plurality of bristles are fixedly connected to the ends, close to the inner side wall of the air box body, of the transverse strips; the ends, away from the transverse strips, of the bristles abut against the inner side wall of the air box body; threaded sleeves are fixedly connected to the opposite side walls of the two transverse strips; the two transverse strips are fixedly connected through a fixing rod; and two vertically-arranged threadedrods are rotationally connected to the inner bottom face of the air box body. According to the self-cleaning hot air circulation air box, the transverse strips are arranged, the inner side wall of the air box body is scraped and cleaned from top to bottom and from bottom to top through the bristles, and the inner side wall of the air box body is prevented from being contaminated by too many pollutants or dust; and a sliding plate is arranged, cleaning liquid can be intermittently poured and supplemented, and the overall cleaning effect can be enhanced in combination with movement of the bristles.

The invention discloses a wall surface keel rapid leveling device which comprises a Z-shaped fixing part. The Z-shaped fixing part is installed on the outer surface of a wall and is divided into threeparts, including a top plate, a vertical wall and a bottom plate. The bottom plate of the fixing part is fixed to the wall through a screw. The top plate of the fixing part is provided with a threaded connection port. A leveling bolt is divided into three parts, including a threaded rod, a circular buckle nut and a rubber cushion. The leveling bolt makes a thread adjustment through the height ofthe vertical wall of the Z-shaped fixing part so that the wall surface leveling effect can be realized. The circular buckle nut of the leveling bolt is provided with a thread which is connected with athread of a buckle keel. The wall surface keel rapid leveling device is convenient to operate, low in space occupied thickness and environmentally friendly in material design, and the designed circular buckle nut of the wall surface keel rapid leveling device has the advantages that the circular buckle nut can be connected with a thread of the buckle keel after being leveled to any joint, and theerror value can be controlled within 0.1 mm.

The inventio discloses a correction device of an automobile rear protection plate die, and relates to the automobile part manufacture field. For solving the existing cumbersome operation problem, theprovided technical scheme includes that the correction device of the automobile rear protection plate die comprises a support frame, a work plate is fixedly connected onto the support frame, a plurality of first motors are fixedly connected in the work plate, an output end of each first motor is fixedly connected with a threaded rod through a coupler, one end of each threaded rod is rotatably connected with the work plate, the other end of each threaded rod is matched with a lifting plate in thread transmission mode, and the upper end of each lifting plate is fixedly connected with a first laser through a bolt. The correction device of the automobile rear protection plate die is simple in structure and convenient to use, can perform detection and calculation well, performs adjustment, corrects error, and thereby facilitates use of the die, reduces manual disassembly and adjustment workload, reduces die replacement frequency, improves efficiency, and reduces cost.

The invention discloses a feeding device for building construction. The feeding device comprises a supporting mechanism, a driving mechanism, a stabilizing mechanism and a stretching mechanism, wherein the driving mechanism is mounted on the left side of the supporting mechanism, the stabilizing mechanism is mounted on the right side of the driving mechanism, the stretching mechanism is mounted atthe top of the supporting mechanism, the supporting mechanism comprises a bottom plate, and a vertical plate is mounted on the left side of the top of the bottom plate. Through cooperation of a rotating motor, a rotating shaft, a threaded rod, a threaded groove, a fixing plate and a limiting plate, the effect of conveniently adjusting the feeding position is achieved, the feeding position can bechanged according to different positions of construction staff, and convenience of the feeding device is greatly improved; and through cooperation of a concave plate, rollers, a mounting plate, buffersprings, an extruding plate and steel balls, the effect of stabilizing fixing ropes in a limiting mode is achieved, the fixing ropes are prevented from being separated from the rollers, feeding stability is greatly improved, and great convenience is brought to users.

The invention discloses a guardrail with a movable function and for rail traffic construction. The guardrail comprises a plurality of connection units and a plurality of support units, and two adjacent support units are connected by a connection unit; the connection units comprise stop levers and stop ropes, both ends of each stop lever are rotatably connected with rotating blocks through bearings, and a threaded rod is fixedly connected to one end, away from each stop lever, of each rotating block; and the support units comprise cylindrical bases, the upper surfaces of the bases are fixedly connected with frustums, the outer side wall of each frustum is fixedly connected with two symmetrical mounting bases and a lacing hole formed in one side of each mounting base and a connecting rod arranged on the other side of each mounting base, spherical support seats are fixedly connected to the top ends of the frustums, the outer side walls of the support seats are provided with threaded holes, and each stop lever is connected with the threaded holes in the two adjacent support units through the threaded rods at both ends. The guardrail with the movable function and for the rail traffic construction is simple in structure, easy to install, fix and dismantle, and can remind pedestrians and vehicles by reflecting light from reflectors at night.

The grinding device for automobile part machining comprises a platform, the left side of the top of the platform is fixedly connected with a first electric telescopic rod, the top of the first electric telescopic rod is fixedly connected with a sliding rod, the surface of the sliding rod is sleeved with a sliding sleeve, and the left side of the top of the sliding rod is fixedly connected with a second electric telescopic rod; the right side of the second electric telescopic rod is fixedly connected with a sliding sleeve, the bottom of the sliding sleeve is fixedly connected with a motor, and an output shaft of the motor is sleeved with a grinding disc. According to the automobile part polishing device, the effect of adjusting the polishing height and the polishing distance is achieved by arranging a first electric telescopic rod, a second electric telescopic rod and a sliding sleeve, the effect of fixing and clamping according to the size of an automobile part is achieved by arranging a threaded rod, a threaded sleeve, a second clamping block and a first clamping block, and the problem that an existing automobile part polishing device is inconvenient to use is solved. And most grinding effects are poor, grinding is not uniform enough, the working efficiency is low, and therefore the product quality is affected.

The invention discloses a hexagonal flange face extrusion sealing bolt. The hexagonal flange face extrusion sealing bolt comprises a bolt body, a hexagonal nut, a round rod, an external threaded rod, a hexagonal round pipe, a flange and a spring, wherein the bolt body is composed of the hexagonal nut, the round rod and the external threaded rod, the vertically-arranged round rod is arranged on the lower end face of the hexagonal nut, the vertically-arranged external threaded rod is arranged on the lower end face of the round rod, the hexagonal nut, the round rod and the external threaded rod are coaxial, the outer diameters of the hexagonal nut, the round rod and the external threaded rod are gradually reduced, the round rod is sleeved with the coaxial hexagonal round pipe, the spring is connected between the hexagonal round pipe and the hexagonal nut, the round rod is sleeved with the spring, the lower end face of the hexagonal round pipe is provided with the coaxial flange, and the inner diameters of the hexagonal round pipe and the flange are the same. According to the hexagonal flange face extrusion sealing bolt, the spring is arranged between the nut and the hexagonal round pipe, and after the bolt is installed, the spring can press the flange on the installation face, so that good sealing performance is achieved between the lower end face of the flange and the installation face.

The invention discloses a novel oil-immersed transformer. The novel oil-immersed transformer comprises a protection box and a transformer body, wherein a storage plate is arranged in the protection box; the transformer body is fixedly connected to the top of the storage plate; a cavity is formed in the bottom of the protection box; a threaded rod is rotatably connected to the cavity; a first gearfixedly sleeves the threaded rod; a second gear is arranged on the first gear and is engaged with the first gear; a rotation rod is fixedly connected to one side of the second gear; and a rotation block is fixedly connected to one end, far away from the second gear, of the rotation rod. By arranging a protection mechanism, a relatively good protection effect can be achieved in severe weather, andoperation and maintenance are facilitated; and by arranging a fixed mechanism, the stability can be improved, swinging is prevented, and the service lifetime is prolonged.