732results about How to "Realize limit" patented technology

The invention relates to the technical field of composite polymer cable testing, and discloses a tensile strength detection machine for composite polymer cable testing, which comprises a detection table, and also comprises an operation box fixedly connected to the bottom of the detection table; the bottom plate is fixedly connected to the bottom of the operation box; the two box bodies are fixedly connected to the two sides of the top of the detection table respectively; the pushing mechanism is arranged on the detection table and is used for pulling the composite polymer cable; the discharging mechanism is arranged above the detection table and is used for pushing the tested composite polymer cable to be discharged; and the sliding assembly is arranged on the discharging mechanism and used for limiting the composite polymer cable. Through the arranged pushing mechanism, the two ends of the composite polymer cable fixed in the two movable blocks can be synchronously pushed to move, so that the synchronous pushing effect is achieved, and the tensile strength of the composite polymer cable is detected.

The invention relates to the technical field of cutting equipment, in particular to large-size diaphragm high-precision cutting equipment which comprises cutting equipment for diaphragms, the cutting equipment is composed of a storage cover, a support, a mounting frame, a hydraulic telescopic rod and a cutting knife, and a cleaning structure for cleaning the cutting knife is arranged in the storage cover; the cleaning structure comprises a mounting plate, a scraping plate, a first guide rod and a first spring; a linkage structure is arranged in the storage cover and comprises a rack, a gear, a two-way lead screw and a sliding seat, and the upper end and the lower end of the rack are fixedly connected with the hydraulic telescopic rod and the cutting knife correspondingly; a liquid conveying mechanism connected with the scraping plate is installed on the upper surface of the storage cover and comprises a pump shell, a piston, an ejector rod, a check valve, a valve plate and a communicating structure. Lifting adjustment, cleaning and cooling lubrication of the cutting knife are integrated, the automatic and intelligent cutting process is achieved, all the components are tightly matched, the structure is compact, and the production efficiency is improved.

The invention relates to the technical field of photovoltaic prefabricated cabins, and discloses a photovoltaic prefabricated cabin which comprises a box body and a box door, the box door is rotationally connected to the box body, heat dissipation holes are formed in the box body, a temperature sensor is arranged on the box body, a driving part is arranged on the temperature sensor, and a baffle used for blocking the heat dissipation holes is arranged on the driving part; when the interior of the box body is on fire, the temperature sensor drives the baffle to block the heat dissipation holes through the driving part, when the interior of the box body is on fire, the temperature sensor can detect temperature abnormity, the temperature sensor transmits a signal to the driving part, the driving part drives the baffle to move, and the baffle can block the heat dissipation holes; and at the moment, a channel for exchanging air between the box body and the outside is blocked, so that oxygen in the box body is insufficient to support large-range combustion, and fire in the box body is gradually extinguished due to lack of oxygen.

The invention relates to the technical field of wire arrangement plates, in particular to a cabinet wire arrangement device capable of displaying information as required, which comprises a fixing plate and a wire arrangement plate vertically fixed at one end of the fixing plate, a threading groove is formed in the surface of the wire arrangement plate, a fixing groove is formed in the surface of the fixing plate, and a positioning opening is formed in the surface of the wire arrangement plate. A connecting block is inserted above the positioning opening, an elastic bunching sheet I is fixed on the top surface of the connecting block and is used for limiting a cable, and an acrylic transparent cover is inserted on the surface of the fixing plate and is used for placing a paper label; the cabinet wire arrangement device capable of displaying information as required has the beneficial effects that the device can adapt to cables of different sizes through the design of the connecting blocks and the elastic wire bundling pieces. By replacing the connecting blocks of different sizes, the cables of different thicknesses or types can be limited and arranged, and no extra adapter or binding tool is needed.

The invention discloses a massage chair support which comprises a base support, a chair frame backrest and a chair frame seat, the chair frame seat is fixedly installed above the base support, the chair frame backrest is hinged to the chair frame seat, a walking massage machine core is arranged on the chair frame backrest and the chair frame seat, the chair frame backrest comprises two symmetrical backrest guide rails, the inner sides of the backrest guide rails are fixedly connected with backrest racks, and the backrest racks are hinged to the chair frame seat. The chair frame seat comprises two symmetrical seat frame guide rails, the inner sides of the seat frame guide rails are fixedly connected with seat frame racks, a double-end connecting piece is installed between the chair frame backrest and the chair frame seat, the walking massage machine core comprises a first walking wheel and a second walking wheel, and the first walking wheel and the second walking wheel are arranged at an interval. And one pair of walking wheels is at least arranged on the backrest guide rail or the seat frame guide rail. The waist and back part can be greatly stretched, and the massage experience feeling is improved; the walking massage machine core can walk stably, the chair frame backrest can swing along the same track repeatedly, and experience is more comfortable.

The utility model discloses a permanent magnet motor convenient to install, and relates to the field of permanent magnet motors, the permanent magnet motor comprises a motor main body and a base, the lower end of the motor main body is fixedly connected with a support rod, the other end of the support rod is fixedly connected with an installation plate, and the installation plate is internally provided with a clamping groove. A connecting block is fixedly connected to the edge of the upper end of the base, and a rotating groove is formed in the connecting block; compared with the prior art, the motor has the advantages that the motor main body can be quickly assembled and disassembled through the connecting block, the short rod, the rotating rod, the threaded column, the fixing ring, the fixing ring and the like, so that the difficulty in use is reduced, the whole operation process is simplified, and the convenience in assembly and disassembly is improved; the fixing belt can be firmly fixed outside the motor main body through the mounting block, the clamping plate, the telescopic rod, the spring, the fixing seat, the clamping hole and the like, so that the connection firmness between the motor main body and the base is enhanced, the vibration of the motor can be reduced, and the stability in use is improved.

The invention relates to the technical field of roller welding, in particular to a shaft head welding device for roller production, which comprises a feeding mechanism, a special-shaped delivery roller, a movable welding table and a receiving mechanism which are sequentially arranged from front to back, and the special-shaped delivery roller is rotatably arranged between the feeding mechanism and the movable welding table through a front bracket; a plurality of roller grooves used for receiving and outputting rollers are formed in the roller surface of the special-shaped delivery roller in the circumferential direction, limiting plates are arranged on the movable welding table in the direction of the two ends in a sliding mode, and a fixing mechanism is arranged at the front end of the movable welding table. The limiting plate is fixed and released through the fixing mechanism, feeding, limiting and discharging of the roller are achieved, and in the process that the roller is transferred to the material receiving mechanism, the limiting plate released by the fixing mechanism guides the roller moving downwards along the movable welding table by means of the gravity of the limiting plate to be transferred to the material receiving mechanism. And simplification of the structure of the shaft head welding device and reduction of energy consumption are facilitated.

The multi-station punching device for aluminum profile machining comprises a base, four supporting columns are fixed to the base, the plane of a hollow polygon prism is provided with a limiting groove set matched with an aluminum profile for placement and matched with a punch for use, and a driving mechanism for driving two conveying pipes to rotate synchronously is installed on a lifting plate. The driving mechanism rotates the hollow polygon prism at a fixed angle and keeps static, one plane of the static hollow polygon prism is opposite to the punch, the driving piece drives the lifting plate to move up and down, and aluminum profiles on the hollow polygon prism can be punched one by one in cooperation with the driving mechanism. The problems that in the prior art, the punching efficiency is low, and potential safety hazards exist are avoided, by arranging the multi-station hollow polygon prism distributed annularly, the overall size of equipment is reduced, and the functions of correcting, limiting, cooling and the like of the U-shaped aluminum gusset plate can also be achieved.

The invention relates to an automatic battery replacing device for a new energy battery pack, and belongs to the field of battery pack battery replacing. The device comprises a lifting body, a battery pack body, four conveying assemblies, two first limiting assemblies and two second limiting assemblies. In the process that a new battery pack body is conveyed to the top face of the lifting body, the new battery pack body is borne through the conveying assembly till the first side face of the battery pack body is limited by the first limiting assembly, and in order to guarantee the stability of the battery pack body lifting process, after the first side face is limited by the first limiting assembly, the battery pack body is conveyed to the top face of the lifting body. And the limiting end of the second limiting assembly is moved to the position above the lifting body, then limiting on the two sides of the battery pack body is formed, and in the process that the battery pack body gets close to the vehicle body, stability is easily kept.

The utility model discloses a boring machine, and relates to the technical field of mechanical drilling. The device comprises a bottom plate, a placement table is fixed to the upper end of the bottom plate, a stand column is fixed to the upper end of the bottom plate, a first motor is fixed to the top end of the stand column, the stand column is sleeved with a sliding sleeve in a sliding mode, a supporting frame is fixed to the side face of the sliding sleeve, and an adjusting rod is fixed to the output end of the first motor. The adjusting rod is in threaded connection with the interior of the supporting frame, a sliding rail is fixed to the supporting frame, a moving frame is slidably connected to the sliding rail, a second motor is fixed to the upper end of the moving frame, a drill bit is installed at the lower end of the moving frame, and a collecting structure is arranged on the bottom plate. When the boring machine is used for machining a workpiece, sprayed water can be blocked by the elastic corrugated pipe, is left on the bottom plate along the elastic corrugated pipe and finally falls into the collecting box, the water can be blocked through the structure, splashing and flowing of the water all around are reduced, and the influence on the surrounding environment is reduced.

The invention discloses a detachable reuse type assembly pre-hanging device and a using method, and the device comprises a ratchet rebounding assembly which comprises an upper guide rail sleeve, a toothed bar, a toothed bar button, a lower guide rail sleeve and a spring; the upper guide rail sleeve and the lower guide rail sleeve are connected through threads, the toothed bar is arranged in the upper guide rail sleeve and the lower guide rail sleeve, oblique teeth are arranged on the toothed bar, a notch is formed in the toothed bar button, and a sawtooth-shaped edge is arranged at the tail end of the toothed bar button; the adjustable limiting structure assembly comprises an ejector rod, a flange sleeve, a movable limiting block and a leather ring. The movable limiting block is rotationally installed at the lower end of the lower guide rail sleeve, the leather ring is installed in a groove of the adjustable limiting block and provides retraction force for the movable limiting block after expansion, and the flange sleeve is connected with the lower guide rail sleeve through threads. Through mutual cooperation of the ratchet rebounding structure and the adjustable limiting structure, quick preassembling of an assembled object is achieved, and the quick preassembling device has the advantages of being easy to mount and dismount and capable of being repeatedly used.

The utility model relates to the technical field of exploration crawler drilling machines, and discloses a drilling machine fixing device for an exploration crawler drilling machine, which comprises a crawler drilling machine body, a fixing frame is arranged outside the crawler drilling machine body, a fixing plate is fixedly connected inside the fixing frame, and a limiting sleeve is fixedly connected outside the fixing plate. The limiting bolts are rotated to drive the balls to move, the balls make contact with the outer surface of the drill rod, and the limiting nuts are used for fixing the limiting bolts, so that the drill rod is limited, the drill rod is prevented from deviating in the working process, operation is easy and fast, practicability is high, the upper connector is driven by the oil cylinder to move, and the service life of the drill rod is prolonged. The upper connector drives the second rotating shaft to rotate, the second rotating shaft drives the fixing base to move, the fixing base drives the fixing frame to rotate, the fixing frame drives the fixing block to rotate outside the third rotating shaft, meanwhile, the fixing frame drives the drill rod to rotate, the operation angle is changed, and adaptability is improved.

The invention discloses a clamping and hanging type strip-shaped material treatment system. The clamping and hanging type strip-shaped material treatment system comprises a treatment bin, a loading device and a discharging device. Placing rods are arranged on the two opposite inner side walls of the treatment bin in pairs, and the treatment driving belt is arranged in the length direction of the placing rods and used for driving the clamping rods clamping and hanging materials to move on the placing rods. The loading device comprises a loading support, a loading frame is movably arranged on the loading support, the loading lifting mechanism is used for driving the loading frame to ascend and descend on the loading support, and the loading driving belt is used for driving the clamping rods clamping and hanging materials to move on the loading frame. The discharging device comprises a discharging support, a discharging frame is arranged on the discharging support, and a discharging driving belt is used for driving the clamping rods clamping and hanging the materials to move in the length direction of the discharging frame, so that the multiple clamping rods clamping and hanging the processed materials are arranged on the discharging frame side by side. And the unloading lifting mechanism is in transmission connection with the unloading frame, and the unloading lifting mechanism is used for driving the unloading frame to ascend and descend on the unloading support, so that the unloading frame is in butt joint with the placing rods with different heights.

The invention discloses an automatic winding device and method for an inductor coil, and relates to the technical field of coil winding, the automatic winding device comprises an operation table, a driving motor, an arc-shaped support and a rotating ring, a clamping connecting piece is arranged on a supporting frame, and a distance adjusting rotating piece located on the inner side of a side connecting plate is installed at the bottom of the supporting frame. By arranging the clamping connecting piece, the guide wheel is pushed towards the supporting frame, an aqueous solution in the water storage bin can enter a first piston cylinder through extraction of a second piston rod, then a coil is placed on one side of the guide wheel, the guide wheel is loosened, and therefore the guide wheel connected with the supporting frame clamps and limits an insulating ring in different directions; and a push rod is pushed to enable a flow blocking block to block the water solution in the first piston barrel, so that the guide wheel is limited, the effect of clamping and limiting the insulating rings with different diameters can be achieved, and the application range of the equipment is widened.

The utility model provides an integrated clamping and dry hanging system for split bricks. The split brick integrated clamping dry hanging system comprises a square steel tube stand column and further comprises a plurality of dry hanging plates and a plurality of split bricks, the dry hanging plates are made of stainless steel, a plurality of angle steel cross beams are fixedly installed on the square steel tube stand column, any dry hanging plate is fixedly installed on the corresponding angle steel cross beam, and the split bricks are fixedly installed on the square steel tube stand column. A plurality of lower hanging clamping pieces and a plurality of upper hanging clamping pieces are arranged on the dry hanging plate, the lower hanging clamping pieces, the upper hanging clamping pieces and the dry hanging plate are of an integrated structure, and the split bricks are clamped between the corresponding lower hanging clamping pieces and the corresponding upper hanging clamping pieces. The split brick integrated clamping and dry hanging system has the advantages that the cost of hanging pieces can be reduced, the construction convenience and speed can be improved, and the split bricks can be fixed reliably.

The invention discloses a hoop elbow convenient to install, and relates to the technical field of hoop fixing and installing, the hoop elbow comprises an elbow part, a connecting pipe, an upper hoop and a lower hoop, a sealing block is installed between the elbow part and the connecting pipe, a first clamping groove is formed in the outer side of one end of the elbow part, and a second clamping groove is formed in the outer side of one side of the connecting pipe; the connecting plates are symmetrically arranged on the two sides of the upper clamping hoop, the connecting plates are fixedly connected with the upper clamping hoop, and the interiors of the connecting plates are connected with plug pins in a sliding mode; the transverse plates are fixedly connected with the upper portions of the two ends of the lower clamping hoop, the bottom plates are installed below the transverse plates, the bottom plates are fixedly connected with the lower clamping hoop, and the two bottom plates are symmetrically arranged; and the upper groove is formed in one side of the interior of the transverse plate, so that the problems that an existing clamp is generally fixed through a bolt and needs to be screwed for multiple times during mounting and dismounting, and when a large batch of clamps are mounted or dismounted, the efficiency of mounting and follow-up dismounting and maintenance is not high are solved.

The utility model provides a rotor bearing mounting machine which comprises a workbench, guide grooves are symmetrically formed in the top of the workbench, a rotating shaft with a right-hand thread and a left-hand thread on the surface is rotationally arranged in the workbench, and a hand wheel used for driving the rotating shaft to rotate is rotationally arranged outside the workbench. Threaded sliding blocks are arranged on the outer surfaces of the right-hand threads and the left-hand threads in a threaded mode; when the lower die base is used, the pressing plate is moved upwards to the highest position through the air cylinder so that enough space can be reserved below the pressing plate for people to replace the lower die base, then the rotating shaft is rotated through the hand wheel, the threaded sliding blocks at the right-hand threads and the left-hand threads on the rotating shaft move oppositely under the cooperation of the guide groove and the guide plate, and the threaded sliding blocks move to drive the guide plate to move. And the guide plate moves to drive the clamping block to enter the clamping groove, so that the pressing plate is limited, the situation that hands of people are hurt due to the fact that the air cylinder drives the pressing plate to move downwards due to mistaken touch or equipment failure is prevented, and the safety of the rotor bearing installing machine is improved.

The invention relates to the technical field of elbow shaping dies, in particular to an elbow comprehensive shaping die which comprises a die base, an elbow die is fixedly installed on the die base, an elbow is placed in the elbow die, an equipment frame is fixedly installed on the die base, a hydraulic cylinder is fixedly installed on the equipment frame, and an iron ball feeding base is in sliding fit with the equipment frame. A pushing mechanism is rotationally connected to the iron ball feeding seat, a plurality of shaping iron balls are placed in the mold seat, a check block is arranged in the mold seat in a sliding fit mode, when spherical shaping is conducted on an elbow, the iron balls can be automatically lifted to the proper height through the iron ball feeding seat, then the iron balls automatically fall into the elbow under the action of the pushing mechanism, and therefore the elbow is shaped. Problems and potential safety hazards caused by manual operation are effectively reduced, and safety, accuracy and production efficiency in the elbow manufacturing process are improved.

The invention relates to the technical field of steel bar truss assembling, in particular to a floor support plate steel bar truss automatic assembling device which comprises an assembling supporting assembly, a clamping assembly and a centering assembly. A plurality of sliding grooves distributed front and back are formed in the left end and the right end of the top of the assembly table, and a torsion assembly is arranged on the side portion of the assembly table. The transverse reinforcing steel bar is clamped and fixed through the two grooves which are folded front and back to prevent the transverse reinforcing steel bar from moving, due to the fact that the transverse reinforcing steel bar is pressed on the top of the longitudinal reinforcing steel bar, limiting of the longitudinal reinforcing steel bar is achieved, and before the transverse reinforcing steel bar is clamped through the two grooves, position centering of the transverse reinforcing steel bar is completed through the two centering push heads of the centering assembly. Therefore, the regularity of the assembled floor support plate steel bar truss can be ensured.

The invention discloses press-fitting equipment for electronic throttle body shaft machining, and relates to the technical field of electronic throttle manufacturing, the press-fitting equipment comprises a machine body, and a hydraulic cylinder is fixedly connected to the top of the machine body. According to the press-fitting equipment for electronic throttle body shaft machining, the side face position of a throttle body is clamped and centered through the lateral alignment assembly, then the front face and the back face of the throttle body are clamped and centered through the oppositely-arranged limiting assembly, and therefore stable clamping and limiting of the whole throttle body are achieved; the electric rotary table drives the fixing rod to rotate, the fixing rod drives the square plate to rotate, so that the front face position of the electronic throttle valve body is rotated to the position under the inner groove shell, the impact guide mechanism conveys the throttle valve shaft and the idle wheel shaft to the position over the electronic throttle valve body, and the hydraulic cylinder drives the inner groove shell to impact downwards for press fitting of the shaft. The problem that an electronic throttle valve body with the irregular appearance cannot be stably clamped through an existing clamp is solved.

The invention relates to the field of dryers, in particular to an industrial cloth dryer which comprises a cleaning mechanism used for atomizing a cleaning agent and cleaning industrial cloth. The source changing mechanism is used for converting gear transmission into belt transmission; the heat supply mechanism is used for drying the industrial cloth; a barrel is fixedly mounted on the outer side of the cleaning mechanism, an isolation barrel is fixedly connected to the outer side of the barrel, and a first gear is fixedly connected to the outer side of the isolation barrel; according to the drying machine for the industrial cloth, the outer side of a second gear is in meshing transmission with a first gear, so that the first gear can drive an isolation cylinder to rotate, in addition, the inner wall of the isolation cylinder is connected with a cylinder body, and the inner partition plate is arranged on the outer side of the isolation cylinder; therefore, the barrel body can drive the industrial cloth placed in the barrel body to rotate together, and the effect of overturning and shaking the industrial cloth is achieved.

The utility model discloses a self-adaptive carrier for silicon wafer production, which comprises a base, the upper end face of the base is provided with a mounting disc, the upper end of the mounting disc is provided with a plurality of limiting mechanisms used for limiting horizontal movement of silicon wafers, and the limiting mechanisms are provided with positioning assemblies used for limiting jumping of the silicon wafers in the vertical direction; according to the utility model, the structure is simple, the design is reasonable, the silicon wafer to be transferred can be quickly limited on the transfer equipment carrier, a large number of uniformly distributed support sleeves can be matched with the conventional wafer in size, the size adaptability and flexibility of the carrier are improved, the silicon wafer can be placed on the carrier without accurate position requirements, and the production efficiency is improved. The silicon wafer loading and transferring device is simple in structure and higher in practicability, meanwhile, limiting of the silicon wafer in the vertical direction is achieved, the situation that the wafer is excessively jacked by a supporting sleeve below the wafer is avoided, jumping of the silicon wafer in the vertical direction is effectively prevented, and the stability of the silicon wafer in the loading and transferring process is further improved.

The utility model discloses a detachable medicine container which comprises a medicine bottle, a connecting groove is formed in the inner side wall of the medicine bottle, a connecting cover is arranged at the top of the medicine bottle, and a connecting hole is formed in the connecting cover. The bottom of the medicine cover and the bottom of the limiting body are clamped to the connecting cover, the limiting body is sleeved with the inner wall of the medicine cover, a fixing piece is arranged at the bottom of the limiting body, the bottom of the fixing piece penetrates through the connecting hole to be connected into the connecting groove, and the two side walls of the top of the fixing piece are limited to the inner side wall of the connecting hole. When the bottle cap needs to be recycled, only the limiting body needs to be detached from the clamping groove, then the two sides of the top of the fixing piece made of the elastic material are pressed, the bottom of the fixing piece can be separated from the interior of the connecting groove, the whole bottle body and the whole bottle cap are detached, the recycling efficiency is improved, and the production cost is reduced.

The utility model belongs to the technical field of drilling, and particularly relates to a punching device for heat exchanger production, which comprises a device shell and a drilling box arranged in the device shell, the surface of the device shell is fixedly connected with a slag discharge pipe, the surface of the slag discharge pipe is fixedly connected with a suction fan through a first mounting seat, and the surface of the suction fan is fixedly connected with a second mounting seat. The surface of the device shell is fixedly connected with an electric push rod through a second mounting seat, an output shaft of the electric push rod penetrates through the device shell and is fixedly connected with a positioning plate, the device further comprises a loading and unloading assembly fixedly connected to the surface of the positioning plate, and the loading and unloading assembly comprises a fixing cylinder fixedly connected to the surface of the positioning plate. An annular groove is formed in the surface of the positioning plate; according to the drilling machine, the drill bit can be limited through cooperation of an inner bevel gear and a first bevel gear, replacement is convenient, meanwhile, a positioning assembly is additionally arranged, and a positioning shell can be limited through cooperation of a first toothed plate and a second toothed plate.

The utility model provides a safety protection device for video monitoring maintenance construction, and relates to the field of safety protection devices, the safety protection device for video monitoring maintenance construction comprises a protection box, a mounting frame and dustproof glass, the front side of the protection box is fixedly provided with two oppositely arranged guide rails, and the inner cavity of each guide rail is of a T-shaped structure; dustproof glass is fixedly mounted on the inner side of the mounting frame, inserting strips are fixedly connected to the two sides of the mounting frame correspondingly and correspond to the two guide rails correspondingly, a rotating device is mounted at the top of the protection box, a shading plate is fixedly mounted at the rotating end of the rotating device, a sliding groove is formed in the side wall of the shading plate, and an extending plate is movably arranged in the sliding groove. The two ends of the extension plate are fixedly connected with protruding blocks, the protruding blocks are inserted into through holes formed in the inner walls of the sliding grooves in a penetrating mode, and the safety protection device for video monitoring maintenance construction has a good shading effect through the arrangement of the shading plate and the extension plate.

The invention relates to the technical field of satellite communication antennas, in particular to a terminal antenna for Tiantong satellite communication, which comprises a shell and a terminal, the signal transceiving mechanism comprises a signal antenna; the telescopic mechanism comprises a telescopic column and a limiting frame; the control module comprises an oil pump, controls the signal antenna to automatically stretch and contract by setting a satellite received signal strength value, realizes automatic adjustment of a signal receiving area of the signal antenna, avoids complex manual adjustment steps, optimizes an operation process, can perform auxiliary cooling on the interior of the terminal through hydraulic oil, prolongs the working time of the terminal, and improves the working efficiency of the terminal. After the signal antenna stretches out and draws back in place, the signal antenna is locked through the arranged limiting frame, auxiliary positioning is achieved, meanwhile, the device adapts to all diameter size parts of the signal antenna, the application scene is wide, and when the signal antenna stretches out, automatic locking and limiting of the limiting frame on the signal antenna are achieved through the rotating cylinder and the moving ring.

This utility model discloses a pulping device for preparing earthworm extract, relating to the field of pharmaceutical engineering. It includes a tank, with connecting boxes fixedly connected to both sides of the tank. An electric push rod is installed inside the connecting boxes, and a moving block is fixedly connected to the upper end of the electric push rod. Slider blocks are fixedly connected to both sides of the moving block, and ball bearings are installed inside the sliders. A connecting rod is fixedly connected to the upper end of the sliders. The advantages of this utility model are: the electric push rod, moving block, slider, scraper ring, and sliding rod enable the scraper ring to circulate and reciprocate within the tank, thereby promptly scraping away the earthworm raw material adhering to the inner wall, ensuring it returns to the pulping area for further pulverization, and improving the uniformity of pulping; the short rod, retaining ring, spring, limiting rod, and short block enable quick loading and unloading of the filter plate, facilitating maintenance during long-term use and reducing maintenance difficulty.

The utility model belongs to the field of diaphragm valves, and particularly relates to an integrated dual-drive controlled fluorine-lined diaphragm valve which comprises a valve body, a valve rod is arranged on the surface of the valve body in a penetrating mode, an operation assembly is arranged at the top of the valve rod, one side of the valve body is fixedly communicated with a connecting pipe, a movable pipe is arranged in an inner cavity of the connecting pipe, and the movable pipe is connected with the valve rod. The right side of the moving pipe extends to the right side of the connecting pipe and is fixedly sleeved with a connecting disc. The operation assembly comprises a rotating box, the bottom of the rotating box is fixedly connected with the valve rod, the top of the rotating box is fixedly connected with a hand wheel, and the surface of the rotating box is sleeved with a fixing shell; by arranging the operation assembly, the inserting rod can be inserted into the inserting hole to fix the rotating box, limiting of the valve rod is achieved, the stability of the valve rod is improved, the valve rod is prevented from rotating, by arranging the adjusting assembly, the using length of the whole valve body can be prolonged by adjusting the moving pipe, and the requirements for different installation space lengths can be met.

The utility model provides a prefabricated stair plate structure, belongs to the technical field of constructional engineering, and aims to solve the problems that after an existing prefabricated stair plate is installed, when concrete filled in a gap is not solidified, when the prefabricated stair plate is pushed by external force, the position of the prefabricated stair plate deviates, positioning installation needs to be conducted again, and the construction cost is high. The device comprises two installation platforms, one installation platform is arranged on the upper portion, and the other installation platform is arranged on the lower portion; the two sets of reserved steel bars are fixedly connected to the upper end faces of the two mounting platforms correspondingly. The stair piece is mounted on the upper end surfaces of the two mounting platforms; the number of the fixing blocks is two, and the two fixing blocks are fixedly connected to the inner side of the stair piece. The two groups of mounting blocks are respectively inserted into the inner sides of the two groups of fixing blocks; through the arrangement of the limiting device, the limiting of the prefabricated stair plate is realized, the working efficiency is improved, and the labor intensity is reduced.