277results about How to "Realize the assembly" patented technology

The invention provides a fluid supply cup and an assembling method of the fluid supply cup. The fluid supply cup comprises a cup cover, a lining and an outer cup, and the cup cover is matched with the outer cup and the lining; the outer cup is provided with a locking ring, the locking ring can rotate in the axial direction of the outer cup, the outer cup and the locking ring are assembled together, the locking ring is located at the locking position, and the locking ring, the cup cover, the lining and the outer cup are connected into a whole. When the locking ring is located at the assembly position, the cup cover can be separated from the opening end of the outer cup. The outer cup and the locking ring are in wedge fit and are integrally assembled through an anti-falling function; the locking structure and the releasing structure of the cup cover are matched through the locking ring, and assembling and separating of the cup cover and the locking ring are achieved. Therefore, after the cup cover is detached, the cup cover can be separated from the outer cup, and the locking ring is kept on the outer cup. The operation of dismounting the locking ring is omitted, and the replacement efficiency is improved; meanwhile, waste caused by discarding the locking ring is avoided, and the production cost is saved. The packet integration design makes the disassembly process more efficient and reduces waste.

The utility model relates to the technical field of wine boxes, in particular to an anti-fake wine box which comprises an anti-fake ring, a supporting ring and a barrel composed of an upper barrel body and a lower barrel body. The supporting ring is matched with the cylinder, and a supporting ring table abutting against the position between the upper cylinder and the lower cylinder is arranged on the outer wall of the supporting ring. Limiting bosses are arranged at the two axial ends of the anti-fake ring, and limiting ring grooves matched with the limiting ring bosses are formed in the upper barrel body and the lower barrel body. The anti-fake ring comprises a belt body, one end of the belt body is a pressure-bearing end, the other end of the belt body is a pressing end, the pressure-bearing end is provided with a pressing part, the pressing part is pressed by the pressing end to form an annular structure in an enclosing mode, and the belt body is provided with a limiting structure to limit circumferential displacement of the pressing end and the pressure-bearing end. The pressing end is provided with a through hole, a lock catch is arranged in the through hole, a plurality of breakable connecting pieces are connected between the lock catch and the side wall of the through hole, and the upper barrel body or the lower barrel body is provided with a lock seat connected with the lock catch. According to the wine box, the structure is greatly simplified, a complex specific connecting structure does not need to be arranged in the wine box, and the mold opening difficulty and the mold cost can be greatly reduced.

The utility model relates to the technical field of bonding wire electroplating, in particular to equipment for bonding wire electroplating, the equipment for bonding wire electroplating comprises an electroplating bath, supporting columns, a supporting plate, a drying box and a bottom plate, the outer side surface of the electroplating bath is fixedly connected with the bottom plate, the bottom surface of the electroplating bath is fixedly connected with the supporting columns in sequence, and the supporting plate is fixedly connected with the supporting columns. According to the equipment for bonding wire electroplating, through cooperation of the moving frame and the threaded rod, when the rotating motor operates, the threaded rod is driven to rotate, the threaded rod rotates to drive the moving frame connected with the outer side in a meshed mode to move, and therefore the bonding wire electroplating effect is improved; as the top of the movable frame is fixedly connected with the first connecting pipe, when the movable frame moves downwards, the first connecting pipe is driven to slide downwards in the fixed cylinder, so that a first wire guide wheel and a second wire guide wheel which are mounted on the first connecting pipe and the second connecting pipe are driven to move downwards, and the bonding wires mounted on the wire guide wheels are electroplated.

The invention discloses a motor rotor assembly tool and an assembly method.The motor rotor assembly tool comprises a supporting base, an inner positioning ring, an outer positioning ring, an axial positioning module, an axial adjusting module and a radial adjusting module, the inner positioning ring and the outer positioning ring provide coaxial positioning for a rotor shaft system and a supporting framework respectively, and in the assembly process, the axial adjusting module and the radial adjusting module are arranged on the supporting base; the axial adjusting module is fixedly connected to the supporting seat and the supporting framework so as to adjust the axial position of the supporting framework; then the axial positioning module is fixedly connected with the rotor shaft system and the supporting framework, and the axial position of the supporting framework is positioned and fixed; after the axial position of the supporting framework is positioned and fixed, the radial adjusting module is inserted between the rotor shaft system and the supporting framework, the coaxiality of the rotor shaft system and the supporting framework is finely adjusted, and finally the rotor shaft system and the supporting framework are assembled, so that the assembling difficulty of the rotor shaft system and the supporting framework can be remarkably reduced, and the assembling efficiency is improved. And the assembly precision of the rotor shaft system and the supporting framework is improved.

The invention relates to the technical field of electric connectors, in particular to a small high-voltage-resistant circular electric connector which comprises a socket device used for electrical connection, a plug device used for electrical connection and a shell body used for fixing the socket device and the plug device. The outer side of the plug device is provided with a shell main body, the rear end of the shell main body is installed on the outer side of the socket device, and the socket device, the plug device, the shell main body, a sealing ring, a first clamping ring and a second clamping ring are arranged, so that the shell main body can be clamped on the outer sides of the socket device and the plug device under the action of the first clamping ring and the second clamping ring; meanwhile, under the action of the first sealing colloid, the second sealing colloid, the first high-voltage-resistant wire and the second high-voltage-resistant wire, the round electric connector is more stable to use in a high-voltage environment on the premise that the size of the round electric connector is reduced.

The utility model discloses a core mold structure for embedding and wrapping grid force-bearing cylindrical tiles, and relates to the technical field of aerospace structural part forming. According to the core mold embedding and wrapping structure for the grid force-bearing cylindrical tile, a grid cavity can be formed after all parts are assembled, the core mold is positioned and wrapped through various insert spigots, annular array is carried out, the grid cavity and the annular cavity are formed, and therefore the core mold can be formed. Then continuous fibers are wound on the grid core mold according to a preset track through forming process means such as winding, laying and weaving, the grid cavity is filled with the continuous fibers, forming machining of the grid force bearing cylinder is achieved, screws for fixing the second tile insert and the first tile insert are detached, and then the continuous fibers are fixed to the grid core mold through the second tile insert and the second tile insert. During demolding, the first tile insert and the second tile insert can be detached by screwing jackscrews into the first tile insert detaching threaded hole and the second tile insert detaching threaded hole correspondingly, finally, the flange plate is detached from the flange spigot, the mandrel and the grid force bearing cylinder are separated through a tool, and demolding of the grid force bearing cylinder is achieved.

The utility model relates to the technical field of magnetic shoe assembling tools, and discloses a magnetic shoe assembling die which comprises a base and a rotating disc, an inflation and deflation column is arranged at the top of the base and located in the center of the rotating disc, an air inlet valve is arranged at the top end of the inflation and deflation column, an exhaust valve is arranged on one side of the inflation and deflation column, and a telescopic air bag is arranged on the other side of the inflation and deflation column. One end of the telescopic air bag is provided with a supporting plate, two sides of the supporting plate are provided with elastic telescopic rods, one end of each elastic telescopic rod is provided with a clamping plate, and a magnetic shoe is arranged between the clamping plates. The clamping plates clamp the side face of the magnetic shoe, gluing of the bonding face of the magnetic shoe is not affected, gluing completeness is guaranteed, and the connecting strength of the magnetic shoe and a motor is improved; when the magnetic shoe and the motor need to be assembled, the motor shell sleeves the outer side of the magnetic shoe, compressed air is generated through the air compressor, the air compression pipe is connected with the air inlet valve to inflate the inflation and deflation column, at the moment, the telescopic air bag is inflated and stretched, and the magnetic shoe abuts against the inner wall of the motor shell to be bonded and assembled.

The invention discloses a pig feed feeding device for gene breeding, and relates to the technical field of pig breeding, the pig feed feeding device comprises a mounting box and a feed conveying module, the mounting box is internally provided with a stirring module and a mixing and discharging module, different feeds in different bins are quantitatively conveyed into the stirring module according to the proportion, and the stirring module and the mixing and discharging module are arranged in the mounting box; the stirring module can uniformly stir different feeds and then quantitatively convey the feeds into the mixing and discharging module, and after the mixing and discharging module adds liquid additives or fixed mineral additives into the feeds, the mixing box body is shaken, so that the feeds are uniformly mixed with the liquid additives and the fixed mineral additives to obtain accurately matched pig feeds. And a discharging switch is turned on, the accurately matched pig feed is output to the feed conveying module, and the feed conveying module conveys the feed into the pig feeding trough, so that accurate matching and efficient feeding of the feed are realized, the feeding efficiency is greatly improved, the time and energy of manual operation are reduced, and construction of an intelligent pig farm is facilitated.

The test accessory feeding and assembling mechanism for the acupuncture sensitivity testing machine comprises a test accessory feeding and storing sub-mechanism and a test accessory feeding and grabbing sub-mechanism, the test accessory feeding and storing sub-mechanism comprises an XY double-axis moving module, a tray carrying table and a tray, the tray carrying table is slidably connected to the double-axis moving module, and the tray carrying table is slidably connected to the XY double-axis moving module. A tray used for storing test accessories is arranged on the tray carrying table, the XY double-axis moving module is used for driving the tray to move, the test accessory feeding and grabbing sub-mechanism comprises a two-dimensional moving assembly and a grabbing assembly, and the grabbing assembly used for grabbing the test accessories is arranged at one end of the two-dimensional moving assembly. Through cooperative work of the test accessory feeding and storing sub-mechanism and the test accessory feeding and grabbing sub-mechanism, the automatic feeding and assembling process of test accessories such as a fire cap and a firing pin is achieved, the working efficiency is improved, the labor intensity is reduced, and the accuracy and consistency of test operation are guaranteed.

The utility model relates to the technical field of distribution frames, in particular to a multi-row type optical fiber distribution frame, which comprises a box body, a sealing cover is movably connected to the rear side of the top of the box body, an adjusting box is fixedly connected to the top of the box body, a coupler group is inserted in a front side plate of the box body, a bunching mechanism is arranged in the adjusting box, and the bunching mechanism is connected with the box body. And an assembling mechanism is arranged on the front side of the box body. According to the utility model, the bunching of the optical fiber is realized through the bunching mechanism, so that the bunching disc can be adjusted according to the length of the optical fiber in the distribution frame, the assembly of the coupler group is realized through the assembly mechanism, the coupler group can be assembled and disassembled by a part of devices, the wiring operation of the optical fiber is facilitated, and the convenience and adjustability of the device are improved.

The invention provides an automatic assembly production line for toy cars, and belongs to the field of assembly production lines. Comprising a mounting frame and a conveying assembly, the conveying assembly is arranged in the mounting frame, a plurality of connecting blocks are evenly distributed and fixedly connected to the conveying assembly, mounting plates are fixedly connected to the connecting blocks, and locking assemblies are arranged on the side walls of the mounting plates. The conveying assembly, the mounting plate and the locking assembly are arranged, two clamping plates are pushed through a first spring, the clamping plates can fix a main body structural part of the toy car, then a conveying shaft can be driven to rotate through operation of a first motor, and the conveying shaft drives a chain to rotate through a chain wheel; and the mounting plate on the chain drives the toy car main body structural member to move together, so that multi-station automatic assembly operation on the toy car can be realized, and the assembly production efficiency of the toy car is effectively improved.

The utility model relates to the technical field of bridge supports, in particular to bridge support assembling equipment. The automatic assembling machine comprises a conveying device, a centering device and an assembling device, the conveying device is used for sequentially conveying the upper support plate and the lower support plate to the centering station and the assembling station and conveying the upper support plate and the lower support plate away from the assembling station. The centering device is used for centering the upper support plate and the lower support plate which are positioned at the centering station; the assembling device is located above the assembling station, an electromagnet is arranged at the bottom of the assembling device, and the electromagnet can attract the upper support plate located on the assembling station and drives the upper support plate to ascend to the receding station through vertical ascending of the assembling device. And the assembling device drives the upper support plate to vertically descend and presses the upper support plate on the lower support plate. By arranging the conveying device, the centering device and the assembling device, automation of bridge support assembling is achieved, manpower and material resources are reduced, and safety is improved.

The utility model relates to a large-caliber high-pressure anti-leakage quick cut-off valve with an abrasion compensation function, which comprises a valve body, an elastic valve core, a sealing body and a driving mechanism, the valve body is of a T-shaped structure, the valve body is further provided with a liquid inlet communicated with the inside of the valve body, and the liquid inlet is positioned between two ends of the valve body; the sealing body is fixedly installed at the lower end opening of the valve body, the valve element is installed in the valve body, and the driving mechanism is installed at the upper end opening of the valve body and connected with the valve element. The valve is simple in structure and reasonable in design, reciprocating motion of the valve element can be achieved, abrasion of the sealing face of the valve is small in the closing and opening process of the valve, the valve element sealing body is composed of the plane disc and the cone frustum which are assembled into a whole through the sealing elastic material, and the cone frustum and the plane disc have certain relative displacement freedom. The valve element sealing face and the valve body sealing face are sealed in a combined mode through a disc face and are sealed in a tangent mode through a valve element cone frustum and a valve body cone frustum hole, two-stage sealing is achieved, and the sealing effect is enhanced.

The utility model relates to the field of photovoltaic technology, in particular to a socket and spigot type photovoltaic support, which comprises a support column, a mounting seat, a support disc and a photovoltaic mounting frame, the support column is fixedly connected to a foundation pile to fix the photovoltaic support, the mounting seat is detachably inserted into the support column, the support disc is rotatably connected to the mounting seat, and the photovoltaic mounting frame is fixedly connected to the support column. The photovoltaic mounting frame is connected to the supporting disc, so that the photovoltaic support can be assembled by inserting the mounting base into the supporting column, the photovoltaic support is further provided with the first driving module, the first driving module is arranged on the mounting base and can drive the supporting disc to rotate around the mounting base, and the photovoltaic mounting frame is hinged to the supporting disc and can rotate around the supporting disc. The angle of the photovoltaic panel can be adjusted by driving the supporting disc through the first driving module and rotating the photovoltaic mounting frame.

The utility model relates to the technical field of backlight film processing, and discloses a backlight film assembling device which comprises a processing table, a plurality of supporting columns are fixedly connected to the top of the processing table, a top plate is fixedly connected to the tops of the supporting columns, and a motor is fixedly connected to the left side of the front of the top plate. Bidirectional threaded rods are rotationally connected to the left side and the right side of the interior of the top plate, two threaded blocks are in threaded connection with the exteriors of the bidirectional threaded rods, connecting rods are rotationally connected to the bottoms of the threaded blocks, and pressing plates are rotationally connected to the bottom ends of the two connecting rods. According to the backlight film assembling device, the motor drives the left bidirectional threaded rod to rotate, the connecting rod pushes the pressing plate to move downwards, fixing of the liquid crystal module is achieved, movement is avoided during backlight film assembling, the liquid crystal module can be better attached to the backlight film, the backlight film and the liquid crystal module are pressed through the rolling wheel, and assembling of the backlight film is achieved.

The utility model discloses a paperboard punch forming device for carton production, which comprises a lower die holder and an upper die holder, and the upper die holder and the lower die holder are respectively connected with an upper die and a lower die through quick connecting structures. The number of the quick connecting structures is two, each quick connecting structure comprises two sliding blocks which are fixedly installed at the installation ends of the upper die and the lower die in a spaced mode, sliding grooves are formed in the upper die base and the lower die base, locking grooves are formed in the upper die base and the lower die base, two locking plates are arranged in the locking grooves, and two locking pins are fixed to the locking plates. The locking pins horizontally penetrate through the upper die base and the lower die base and extend into the sliding grooves, locking holes capable of being matched with the locking pins in an inserted mode are formed in the sliding blocks, and power structures used for driving the two locking plates to move synchronously are installed on the upper die base and the lower die base. The paperboard punch forming device for carton production has the advantages of being capable of rapidly achieving assembly, high in stability and convenient to use.

The utility model provides a kind of gas stove shell and table type gas stove, and gas stove shell includes: panel, bottom shell and the coaming connected between bottom shell and panel;The coaming is at least partially enclosed in the outside of panel and bottom shell, and first support part and second support part of protruding extension are equipped in its inside, wherein first support part is attached or connected with bottom shell, and second support part is attached or connected with panel.The utility model is by setting shell including panel, bottom shell and coaming, coaming is connected between panel and bottom shell, and at least partially enclosed in the outside of panel and bottom shell, can guarantee the positioning effect between coaming and panel, bottom shell, improve the efficiency and installation accuracy of assembly, simultaneously, when assembling and overhauling gas stove, coaming and bottom shell can be disassembled, and it is convenient for operator to disassemble and maintain functional components installed on bottom shell;Moreover, it is also favorable for reducing the production difficulty and scrap rate of bottom shell, and improving production efficiency.

The invention relates to the technical field of livestock breeding, and particularly discloses an adjustable excrement utilization type cattle breeding integrated colony house structure which comprises an excrement leakage plate. An adjusting mechanism is mounted at the bottom end of the manure leaking plate, mounting mechanisms are mounted at the four corners of the top end of the manure leaking plate, long fences are jointly mounted between the opposite faces of the two mounting mechanisms on the left side and the two mounting mechanisms on the right side, and manure cleaning mechanisms are mounted on the upper portions of the opposite faces of the two long fences; the adjusting mechanism comprises a bearing steel frame, an adjusting column, a supporting base, an avoiding groove and a reinforcing rod. The driver drives the adjusting screw rod to rotate, the lifting rod pushes the bearing steel frame to move upwards, the height of the breeding house can be adjusted according to the stacking height of cow dung, it is guaranteed that enough space is reserved below the breeding house for stacking dung, and the design solves the problem that secondary land use is difficult due to the fact that dung treatment occupies space; and the cost caused by excrement treatment of a farm can be reduced, so that the expansion and development of the breeding industry are facilitated.

This utility model relates to the field of battery anode material premixing technology and discloses a lithium-ion battery anode material premixing device, including a stirring tank and a drive motor. By controlling the lower stirring rod to connect with the upper stirring rod, and further controlling the drive motor to make the upper and lower stirring rods rotate synchronously, the second scraper will scrape the material on the filter plate, and the material will be crushed by the roller. The material falling off the filter plate will enter the interior of the stirring tank. When the hopper is opened, the material will be stirred by the first scraper and scraped out of the hopper, thereby increasing the mixing degree of the material. By controlling the matching of the buckle and the buckle seat, and making the stirring tank, filter plate and expansion tank stacked in sequence, the device can be assembled. In use, by pulling the buckle to release the buckle from the buckle seat, the expansion tank can be removed from the stirring tank. Furthermore, the internal components of the device can be disassembled, which facilitates the cleaning and maintenance of the device.

The application relates to a lighting device, which comprises a frame, a light-emitting assembly and a backboard assembly; the frame comprises a frame body and a connecting part, the frame body has a containing space and a light outlet, the light outlet is communicated with the containing space, and the connecting part is connected to the wall surface of the frame body facing the containing space; the light-emitting assembly is contained in the containing space, the light-emitting assembly has a light-emitting surface, and the light-emitting surface is arranged opposite to the light outlet; the backboard assembly is contained in the containing space and arranged on the side of the light-emitting assembly away from the light outlet, the backboard assembly comprises a plate body and a fixing support, and the plate body and the fixing support are connected to each other and cooperatively clamp the connecting part. The lighting device provided by the application does not need to reserve a connecting structure for connecting the backboard assembly on the connecting part, can reduce the protruding size of the connecting part relative to the frame body to a certain extent, can increase the area of the light-emitting surface of the light-emitting assembly, and then increase the area of the light outlet of the frame, so that the light-emitting area of the lighting device is effectively increased.

The utility model relates to a wear-resistant and fracture-resistant medical cutter clamping device. The wear-resistant and fracture-resistant medical cutter clamping device comprises a main body, a push-pull piece sliding in the main body, a first block connected with a power source, a cutter detachably connected in the first block, a fourth block for limiting the concentricity of the cutter, a limiting piece for limiting the position of the cutter and an adjusting piece for adjusting the limiting piece to limit or detach the cutter, first grooves are formed in the end face of the body. The push-pull piece slides in the first groove; the fourth block is positioned in the first groove; a second groove is formed in the fourth block; a fixing piece is arranged in the second groove in a penetrating mode. The fixing piece penetrates through the push-pull piece and is in threaded connection with the adjusting piece; a third groove is formed in the first block; a fourth groove corresponding to the third groove is formed in the cutter; the limiting piece penetrates through the third groove and is clamped into the fourth groove. The adjusting piece slides on the first block; the limiting piece and the first block rotate synchronously. The problems that a cutter needs to be rapidly disassembled and assembled, stress on a clamping position is large due to transverse cutting force of the cutter in the rotary cutting process, and the clamping position can be broken are solved.

The invention relates to a multi-layer controller which comprises a shell, an inner-layer control panel and an outer-layer control panel. The upper portion of the shell is connected with a first rotating shaft assembly, the lower portion of the shell is connected with a second rotating shaft assembly, the first rotating shaft assembly comprises a first shaft body, the second rotating shaft assembly comprises a second shaft body, and the axes of the first shaft body and the second shaft body coincide. The outer-layer control panel is rotatably connected to the shell, a first connecting plate is arranged on the upper portion of the outer-layer control panel, a second connecting plate is connected to the lower portion of the outer-layer control panel, a first long circular hole is formed in the first connecting plate, and a second long circular hole is formed in the second connecting plate; wherein the first shaft body is connected in the first long round hole in a sliding mode, and the second shaft body is connected in the second long round hole in a sliding mode. According to the invention, the installation of more electrical elements can be realized in a limited space, and the functions of assembly, disassembly, test, maintenance and the like of the control panel can be conveniently realized.

The embodiment of the utility model relates to the technical field of article storage devices, and discloses a container and a medicine box. A storage groove is formed in the box body, and the first side of the cover body is rotationally connected with the position, located on one side of the groove opening, of the box body; a second side, opposite to the first side, of the cover body is used for being connected with the box body in a clamping manner, so that the cover body is kept in a closed state; an abutting part is arranged on the outer wall, located on one side of the containing groove, of the box body, a blocky and soft elastic piece is arranged on the first side, and the elastic piece and the cover body are of an integrated structure; the elastic piece is used for being elastically compressed under the extrusion of the abutting part when the cover body is in a closed state, so that after the second side and the box body are released from clamping, the elastic piece recovers deformation, and the cover body automatically bounces to an open state through the interaction force between the elastic piece and the abutting part. Through the mode, the production efficiency can be improved, meanwhile, the service life of the elastic piece in the container is prolonged, and it is ensured that the cover can still be effectively bounced after being used for a long time.

This utility model relates to the field of magnet technology, and more particularly to a magnet with a sealing ring, comprising an axially magnetized magnet body, one end of which is formed with a plurality of first annular grooves, and the other end of which is formed with a plurality of second annular grooves. A first sealing ring is provided at the end of the magnet body near the first annular grooves, and the first sealing ring is formed with a plurality of first annular protrusions. A second sealing ring is provided at the end of the magnet body near the second annular grooves, and the second sealing ring is formed with a plurality of second annular protrusions. This utility model can not only reduce the rigid impact at the moment of adsorption, avoid generating unpleasant noise, and avoid the risk of breakage, but also greatly improve the sealing performance at the joint, prevent moisture, dust, and even insects from penetrating into the product and ensure the overall service life of the product, and is better suited for modular splicing products.

This utility model relates to a testing device for PLC debugging, belonging to the field of industrial automation equipment. It includes input elements, output elements, and a power supply. The input elements include a digital input section, an analog input section, and a temperature input section. Both ends of the digital input section are connected to one side of a digital input terminal block, and the other side of the terminal block is connected to the PLC's digital input module. The analog input section connects to the power supply and the analog input terminal block; the other side of the terminal block is connected to the PLC's analog input module. The temperature input section connects to a temperature input terminal block; the other side of the terminal block is connected to the PLC's temperature input module. The output elements include relays, indicator lights, and meters. This utility model device is simple in composition, safe, and reliable. Before testing, the PLC to be debugged is connected to the device in place once, and no changes or verification of the wiring are required during debugging.

The utility model discloses an applicator accessory which comprises a protection disc, the protection disc is arranged on the side, away from an application source window, of an application source back, and a through hole is formed in the position, corresponding to a threaded hole in the application source back, of the protection disc; one end of the first screw penetrates through the through hole and the threaded hole and then is connected with the application source back, the other end of the first screw is provided with a first internal thread connector in the axial direction, and an internal thread through hole is formed in the middle of the first screw in the radial direction in a penetrating mode. One end of the second screw rod is connected with the internal thread interface or the internal thread through hole so as to realize transverse or longitudinal installation of the second screw rod and the first screw rod, and the other end of the second screw rod is provided with a second internal thread interface along the axial direction of the second screw rod; one end of the third screw is connected with the second internal thread connector, and the other end of the third screw is a screw tail. The application source is simple in structure and convenient to assemble, radiation injury to medical staff in the clinical treatment process can be effectively reduced, safety is improved, and clinical application of the application source in the nuclear medicine department is facilitated.

The inner wall cleaning structure of the pharmaceutical barrel comprises a hollow column, a valve is installed on the outer surface of the upper end of the hollow column, the valve is connected with a connecting pipe through a high-pressure hose, and a hollow disc used for being installed at the movable end of an electric push rod is installed at the open end of the connecting pipe. A plurality of vertical holes penetrating through the hollow disc are annularly formed in the edge of the upper surface of the hollow disc at equal intervals, straight pipes are inserted into the vertical holes, a plurality of small holes are formed in the outer surfaces of the straight pipes, rectangular pipes are arranged on the upper sides of the vertical holes, pistons are installed at the upper ends of the straight pipes, and the pistons are installed in the rectangular pipes in a sliding mode. A piston is installed on the upper surface of the straight pipe, a U-shaped plate is installed on the upper surface of the piston, the U-shaped plate is clamped on the rectangular pipe, and the end, away from the piston, of the U-shaped plate is in threaded connection with a positioning screw used for limiting the relative position of the U-shaped plate and the rectangular pipe. The application range is expanded.

The application provides a reverse control device, an unmanned vehicle and a reverse control method. The reverse control device comprises a rotating assembly, an angle detection member and a controller. The rotating assembly comprises a connecting member and a rotating member. The connecting member is configured to connect an installation part of a tail of the unmanned vehicle and is fixed relative to the installation part. The rotating member is rotatably arranged on the connecting member and is configured to rotate around the connecting member towards a head of the unmanned vehicle when the rotating member abuts against an obstacle during reverse driving of the unmanned vehicle. The angle detection member is connected between the rotating member and the connecting member and is configured to monitor a rotating angle of the rotating member relative to the connecting member. The controller is configured to determine an actual distance between the unmanned vehicle and the obstacle according to the rotating angle, so as to control the unmanned vehicle to stop when the actual distance is equal to a target distance. The reverse control device provided by the application can realize safe, stable and accurate parking of the unmanned vehicle at the edge of a dump site.

The utility model relates to the technical field of forging equipment, and provides a cone roller split mechanism and a ring rolling mill, the cone roller split mechanism comprises a rack, a rotating shaft, a connecting rod, a cone roller, a hydraulic nut and a fastener, the connecting rod penetrates through the rotating shaft; the conical roller and the hydraulic nut are oppositely arranged at the two ends of the connecting rod and are connected in a threaded screwing mode. The fastener is arranged on the hydraulic nut and used for limiting the stroke of the hydraulic nut. The conical roller and the hydraulic nut are arranged at the two ends of the connecting rod, so that the conical roller can be tensioned through the connecting rod by pressurizing the hydraulic nut, and the conical roller and the rotating shaft are fixed; meanwhile, the connecting rod is connected with the conical roller in a screwed mode through threads, the hydraulic nut serves as a pressurizing piece, the conical roller can be loosened after pressure relief, and therefore the conical roller can be disassembled conveniently, and the structure is simple; and the hydraulic nut of the structure is located on the outer side, overhauling and maintenance can be continued conveniently, and application convenience can be improved.