56results about How to "Achieve displacement" patented technology

The invention provides a middle and primary school multi-person interactive teaching method and system based on a VR technology, and relates to the technical field of virtual reality, and the method comprises the steps: generating a model through deep learning based on pre-obtained teaching aid model data, determining subcomponents, combining a teaching aid generation engine, and constructing a virtual teaching aid; a color image and a depth image are obtained through a structured light depth camera, two-dimensional pixel coordinates are obtained, depth information is combined, a three-dimensional skeleton curve of limb movement of a student is generated, an optical motion capture result is obtained, an inertial motion capture result is obtained through inertial drift calibration based on the three-dimensional skeleton curve, and a limb movement three-dimensional track of the student is reconstructed; generating a force feedback signal by solving a kinetic equation through a collision detection algorithm based on the three-dimensional trajectory of the limb movement of the trainee; and rendering the virtualization model into a virtual teaching scene, synchronizing the limb movement three-dimensional track and the force feedback signal in real time, and generating a multi-person collaborative interaction process of the virtual teaching aid.

The invention provides a microwave program-controlled step attenuator. The microwave program-controlled step attenuator comprises a plurality of stages of step length switching units, the stepping length switching unit comprises a straight-through sheet which is fixedly arranged, at least two attenuation sheets which are arranged above the straight-through sheet at intervals, and a group of movable contact springs which are respectively positioned at two ends of the attenuation sheets; each movable contact spring is connected with a push rod which moves along the axis of the push rod and is used for driving the movable contact spring so that the inner end of the movable contact spring can make contact with the attenuation piece or the straight-through piece. The outer end of the movable contact spring is rotatably connected with one end of the fixed contact spring which is fixedly arranged through a rotating column, and the push rod is rotatably arranged around the rotating column corresponding to the movable contact spring connected with the push rod and used for driving the movable contact spring to rotate so that the inner end of the movable contact spring can be switched to correspond to different attenuation slices; and the other end of the fixed reed is rotationally connected with the outer end of the movable reed of the adjacent step length switching unit through a rotating column, or is vertically connected with the radio frequency connector. According to the scheme, multi-step length switching can be achieved, and good stability can be kept on the basis of achieving switching.

The invention discloses trackless powdery material bag loading equipment which comprises a steel frame body (1), a working platform (2) is arranged on the steel frame body (1), conveying lines (3) which are used for conveying material bags and are symmetrically arranged are arranged on the inner side of the steel frame body (1), an automatic separation mechanism (4) is arranged on the working platform (2), and the automatic separation mechanism (4) comprises a bag raking assembly (5) arranged on the working platform (2). The discharging ends of the two sides of the bag raking assembly (5) are provided with bag receiving conveying belts (6), and the discharging ends of the bag receiving conveying belts (6) correspond to the conveying line (3). A walking material receiving mechanism (7) is arranged on the upper portion of the steel frame body (1), and a bag grabbing mechanical arm (11) is arranged on the truss (9). Material loading is achieved through a track-free structure, the structure is convenient to install, meanwhile, the occupied area is reduced, space is saved, vehicle parking is facilitated, and then the efficiency of the material packaging vehicle is effectively improved.

The invention discloses a moving device for wafer film pasting and wafer film pasting equipment, and relates to the technical field of wafer manufacturing. The moving device comprises a displacement module, an overturning module and a clamping module, wherein the clamping module comprises at least two clamping sub-modules; the clamping sub-module comprises a fixing plate, a driving mechanism, a grabbing mechanism and a clamping mechanism, and the driving mechanism is used for driving the clamping mechanism to open before the wafer machining part is grabbed and stopping driving the clamping mechanism after the wafer machining part enters a grabbing area of the clamping mechanism so that the clamping mechanism can clamp the wafer machining part; after the grabbing mechanism stops grabbing the wafer processing part, the clamping mechanism is driven to open, and after the wafer processing part leaves a grabbing area of the clamping mechanism, driving of the clamping mechanism is stopped; and the grabbing mechanism is used for grabbing the wafer processing part in the process that the displacement module drives the overturning module to displace, and the overturning module drives the clamping module to displace so as to drive the wafer processing part to displace.

The utility model discloses a shaftway 3D scanning lifting device which comprises a wire conveying mechanism, a scanning mechanism and a fixed chassis, and is characterized in that the wire conveying mechanism comprises a mounting plate, a take-up reel, a take-up battery, a take-up motor and a limiting wheel, and the take-up reel, the take-up battery, the take-up motor and the limiting wheel are mounted on the mounting plate; the take-up reel is provided with a transmission shaft, the transmission shaft is connected with the take-up motor, the take-up battery is electrically connected with the take-up motor, the take-up reel is wound with a pull rope, the limiting wheel is arranged on one side of the take-up reel, and the pull rope sequentially passes through the take-up reel and the limiting wheel to be connected with the scanning mechanism. The fixed chassis and the scanning mechanism are placed in a shaft through the wire conveying mechanism, automatic conveying is achieved, meanwhile, through cooperation of a silica gel disc and a lifting motor, displacement of a pull rope on the silica gel disc is achieved, the scanning mechanism is driven to move up and down, and through cooperation of an internal rotation fluted disc and a gear, the scanning mechanism is driven to move up and down.

The utility model discloses a bridge pier ship collision prevention device, and relates to the technical field of bridge pier collision prevention. The anti-collision device comprises a first anti-collision body and a second anti-collision body which are formed in a surrounding mode. A fixing groove and a groove are formed in the adjacent sides of the first anti-collision body and the second anti-collision body correspondingly, a clamping groove is formed in the groove, a clamping piece corresponding to the clamping groove is rotationally matched with the interior of the fixing groove, and a telescopic supporting assembly connected with the clamping piece is rotationally matched with one side of the first anti-collision body. The first anti-collision body and the second anti-collision body each comprise outer surrounding steel, inner surrounding steel and an elastic body arranged between the outer surrounding steel and the inner surrounding steel. Through the arrangement of the first anti-collision body and the second anti-collision body, the peripheral steel is high in rigidity at the moment that a ship collides, it is guaranteed that the peripheral steel is not prone to deformation, overall displacement is achieved, and the elastic body, the peripheral steel and the inner peripheral steel act together so that the impact force of the ship colliding with the pier cannot be directly transmitted to the pier; and the impact force on the pier is reduced after consumption of the elastomer.

This utility model relates to the field of floor mat technology and discloses a car heated floor mat that prevents the four corners from lifting up. It includes a mat body, with connecting posts fixedly connected to each of the four internal corners. Gravity blocks are fixedly connected to both ends of the connecting posts. Two adjacent sides of the gravity blocks are fixedly connected to the outside of the mat body. An auxiliary assembly is fixedly connected to the outside of the mat body. Multiple anti-slip blocks are fixedly connected to the bottom of the mat body, and an anti-pry plate is fixedly connected to the inside of the mat body. In this utility model, by setting connecting posts and gravity blocks at the four corners of the mat body, the four corners of the mat body are prevented from being pried up. The anti-pry plate inside the mat body, in conjunction with the anti-slip blocks, prevents the sides from lifting up during use, thus preventing displacement and side lifting of the floor mat during use and extending its service life.

The utility model discloses an intracardiac stent surface medicine spraying device, which belongs to the technical field of medicine spraying and comprises a base, one side of the base is fixedly connected with an ejector block, one side of the ejector block is rotatably connected with a connecting block, and a driving motor is arranged at the rotating position of one side of the connecting block and one side of the ejector block; according to the utility model, the rubber sleeve ring and the imbibition cotton tube can be expanded through the two expansion blocks under the springback of the spring, so that the sleeved heart stent can be fixed on the imbibition cotton tube, and then the surface of the heart stent can be sprayed through a stent medicine sprayer; the heart stent on the liquid absorbing cotton tube can be driven to rotate and change the surface under the work of the driving motor, so that the heart stent can be sprayed more uniformly, and during the period, liquid medicine sprayed in gaps on the outer surface of the heart stent can be blocked and absorbed by the liquid absorbing cotton tube, so that the inner surface of the heart stent is not easy to contact with the sprayed liquid, and the spraying efficiency is improved. And therefore, the spraying quality of the heart stent can be improved, and the heart stent is qualified and normative.

The utility model discloses a floor sweeping robot, a cleaning piece and a cleaning system. The floor sweeping robot comprises a machine shell; the triggering piece is arranged on the machine shell, and the triggering piece is provided with a first abutting part; the cleaning part comprises a mounting seat and a brush strip, and the brush strip is connected to the mounting seat in a swinging mode in the height direction of the sweeping robot and is provided with a second abutting part; wherein the second abutting part is suitable for moving in the first direction relative to the mounting base under the action of the first abutting part, so that the free end of the brush strip rotates and swings in the height direction in the direction away from the to-be-cleaned face, and the first direction is the height direction of the sweeping robot. According to the sweeping robot provided by the embodiment of the utility model, a smaller stroke is reserved for the movement of the second stopping part in the mounting seat, so that larger displacement of the free end of the brush strip can be realized, the brush strip can be smoothly separated from the surface to be cleaned, and the miniaturization design of the sweeping robot is facilitated.

The utility model relates to the technical field of water quality monitoring, and discloses a water body sampling device capable of stratified sampling, which comprises a shell, one end of the outer wall of the shell is fixedly connected with a second electric push rod, the output end of the second electric push rod is fixedly connected with a fixed disc, and the outer wall of the fixed disc is fixedly connected with a second fixed column. A fixed disc is fixedly connected to one end of the second fixed column, a motor is fixedly connected to the outer wall of the fixed disc, a brush is fixedly connected to the output end of the motor, a filter screen is fixedly connected to the outer wall of the fixed disc, the interior of the filter screen is slidably connected to the outer wall of the brush, and a hollow disc is fixedly connected to one end of the filter screen. And the other filter screen is fixedly connected to one side of the hollow disc. According to the utility model, the filtering device can be fixed and taken out through the buckle and the clamping rail, so that the problem that filtering cannot be carried out during collection is solved, and the working efficiency of the device is improved.

The utility model provides a small sliding table air cylinder which comprises a base and a sliding table located above the base, and a crossed linear rail is arranged between the base and the sliding table so that the sliding table can form the freedom degree of sliding in the front-back direction of the base. A longitudinal air cylinder, a longitudinal piston and a piston rod are arranged in the middle area, in the width direction, of one end of the sliding table, a fixing plate is arranged at one end of the base, and the tail end of the piston rod is matched with the fixing plate to exert force to drive the sliding table. Two first air connecting openings communicating with the two ends of the longitudinal air cylinder correspondingly are formed in the side portion of the sliding table. The utility model has the advantages of compact structure, strong bearing capacity, good rigidity and stable operation.

This invention belongs to the field of prefabricated substation technology, providing an explosion-proof pressure relief wall for prefabricated substations and a prefabricated substation itself. The explosion-proof pressure relief wall includes columns, mounting bases, buffer walls, and pressure relief walls. There are at least two columns arranged in a straight line. Mounting bases are positioned between any two adjacent columns. Each mounting base is equipped with a prefabricated wall panel structure, which consists of pressure relief walls and buffer walls. Buffer walls are arranged from top to bottom along the height of the mounting base in the first area of ​​the corresponding mounting base. Pressure relief walls are arranged from top to bottom along the height of the mounting base in the second area of ​​the corresponding mounting base. It can effectively alleviate the generated and accumulated explosive pressure during an explosion, achieving a buffering effect. The pressure relief walls quench the flames generated by the explosion, achieving both pressure relief and flame arrestion functions, and possessing higher pressure relief and flame retardant performance.

According to the adjustable large plastic uptake production line positioning technology, material conveying rows are arranged among a heating part taking and plastic uptake mold assembly, a discharging and cutting assembly and a finished product discharging table in a penetrating mode, the material conveying rows are double-row mirror image type independent material conveying rows, and a plurality of material row supporting assemblies are arranged on the outer sides of the material conveying rows; the material row supporting assembly is longitudinally arranged between the double-row material conveying rows, through the adjustable raw material conveying rows and the discharging and cutting assembly, adjustment can be conveniently carried out according to the size of a blister part needing to be produced, different widths of various raw material rollers and different finished product distances after blister are completed are adapted, and the production efficiency is improved. And it is guaranteed that the discharging and cutting assembly can be matched with the displacement amount of a blister finished product, so that the complete blister production process can be matched with various blister parts of different sizes, adjustment is convenient, the degree of freedom is high, and the blister production process can be matched with various forms.

The utility model belongs to the field of bridge monitoring, particularly relates to a data acquisition station for bridge monitoring, and aims to solve the problems that when the inside of an existing acquisition station needs to be inspected and maintained, the operation is troublesome, workers need to fall aside to operate by using a hanging bracket or other equipment, the operation is tedious, and certain potential safety hazards exist. According to the scheme, the device comprises a data acquisition station, the data acquisition station comprises an L-shaped mounting plate and an acquisition analyzer body, the L-shaped mounting plate is mounted on the side edge of a bridge body, and the acquisition analyzer body is located in the L-shaped mounting plate; the lifting assembly is used for achieving lifting of the collection analyzer body, after an L-shaped mounting plate on the back of equipment is mounted on a bridge body, when the collection analyzer body needs to be maintained and inspected, the collection analyzer body can be moved upwards through the lifting assembly, and therefore it is avoided that equipment such as a hanging bracket needs to go down for inspection; and the installation of workers can be ensured.

The invention relates to the technical field of spaceborne antennas, in particular to a modular deployable reflector antenna subunit attitude adjusting device and method. Comprising an active adjusting device and a passive adjusting device, wherein the active adjusting device comprises a displacement adjusting device and an angle adjusting device which are detachably connected; on the premise that normal folding and unfolding of the modular antenna are not affected, the antenna subunits are adjusted through the arranged active adjusting device and the arranged passive adjusting device, the active adjusting device can achieve displacement and angle changes between the subunits, and the passive adjusting device can guarantee that the antenna subunits can be adjusted while displacement or angle changes are adjusted. And the stress relation and the displacement relation between the subunits are balanced, so that module splitting or module collision of the whole antenna is prevented.

The invention relates to a hydraulic lifting device for the smelting industry, and belongs to the field of metallurgy. Comprising a power mechanism, a hydraulic oil cylinder, a shear fork type lifting mechanism, two cathode plate hanging mechanisms, a mounting frame, two active driving mechanisms, two driven driving mechanisms and two anti-deviation mechanisms, the two cathode plate hanging mechanisms are arranged below the scissor-type lifting mechanism side by side and detachably connected with the cathode plates, the scissor-type lifting mechanism is mounted on the mounting frame and connected with the hydraulic oil cylinder, and the power mechanism is mounted on the mounting frame and connected with the hydraulic oil cylinder. The driving driving mechanism and the driven driving mechanisms are arranged at the two ends of the mounting frame respectively and are in sliding connection with the displacement track, and the two deviation preventing mechanisms are mounted on the two driven driving mechanisms in a one-to-one correspondence mode and are in rolling connection with the displacement track. Compared with worm and gear mechanical transmission in the prior art, abrasion is small, the service life is longer, and the use cost is lower.

The invention relates to a rainwater recovery and irrigation system for campus ecological landscapes, and relates to the technical field of water systems for campus ecological landscapes. A filtering assembly is installed in the rainwater recycling pool and comprises a cover plate arranged at the top of the rainwater recycling pool and a filtering net arranged in the middle of the rainwater recycling pool, and rectangular grooves distributed in an array mode are formed in the cover plate; the irrigation equipment comprises a water pump, a water delivery pipe, a plurality of shunt water pipes and sprinkler heads; the water pumping end of the water pump extends into the rainwater recycling pool and is positioned below the filter screen; one end of the water conveying pipe is connected with the water outlet end of the water pump; each shunting water pipe supplies water to the campus ecological landscape; the water conveying pipe and the multiple flow dividing water pipes are all located in a trapezoidal prefabricated pipe gallery arranged underground. The garden landscape irrigation system has the effects of supplying water and irrigating garden landscapes, reducing the daily maintenance cost of the garden landscapes and reducing the waste of water resources.

This utility model discloses a hoisting device for aluminum profile processing, belonging to the field of aluminum processing technology. Key technical features include a support base with hoisting mechanisms welded to both sides of the top of the support base. A locking mechanism is movably connected to the bottom of the hoisting mechanism. The locking mechanism includes a lifting ring, a connecting rod, a fixing block, a rotating rod, locking half-plates, several mounting holes, and an electromagnet plate. The lifting ring is movably connected to the inner side of the hoisting mechanism. The connecting rod is welded to the bottom of the lifting ring. The fixing block is welded to both sides of the surface of the connecting rod. The rotating rod is rotatably connected to the bottom of the inner side of the fixing block. The locking half-plates are welded to the surface of the rotating rod. The locking mechanism adjusts the opening angle of the two locking half-plates via the rotating rod, adapting to aluminum profiles with different cross-sectional shapes. The inner electromagnet plate generates an adsorption force when energized, which, combined with the anti-slip texture of the rubber buffer pad, provides double protection against shaking and slippage of the profile during hoisting, reducing the risk of falling.

The utility model provides a laser crystal fixing structure for staggered pumping. The laser crystal fixing structure comprises a substrate, at least one pair of positioning seats and a laser crystal, the two positioning seats are symmetrically arranged on the top face of the base plate in an integrally-formed mode and arranged in the length extending direction of the base plate in a staggered mode. Wherein a first connecting layer is arranged on one positioning seat, a first connecting groove is defined by the first connecting layer, a second connecting layer is arranged on the other positioning seat, and a second connecting groove corresponding to the first connecting groove is defined by the second connecting layer; and the laser crystal is arranged in the first connecting groove and the second connecting groove. According to the structure, integrated design and machining forming are achieved, the structure is simple, reliable, easy to assemble and suitable for batch production, related technical indexes of the positioning base and the mounting face matched with the laser crystal are effectively guaranteed, and stress-free fixing of the laser crystal and the positioning base is achieved through matching of the connecting layer and a tool.

The utility model relates to the technical field of OCA (Optical Clear Adhesive) laminating machines, in particular to intelligent temperature-control accurate temperature control equipment for OCA laminating, which comprises a laminating machine base. The laminating machine shell is arranged on the laminating machine base; the two pairs of mounting rods are arranged on the laminating machine base; the mounting frame is arranged on the laminating machine base; according to the utility model, the rotating rod of the displacement assembly is arranged to drive the gear to rotate, and the gear is in meshing transmission with the toothed plate, so that the loading plate is driven to horizontally move on the mounting frame, the displacement of a laminated workpiece is realized, the glass surface of the touch screen is prevented from being temporarily adsorbed on the laminating surface of the pressing plate after being laminated, the possibility of damage to the touch screen is reduced, and the production efficiency is improved. The practicability of the device is improved; by arranging the sliding rail and the third air cylinder, a user can conveniently place a workpiece in the storage groove or take the attached workpiece out of the storage groove, and the convenience of the device is improved.

The utility model discloses a power distribution box line anti-deviation structure, which relates to the technical field of distribution boxes and comprises a mounting plate, a plurality of groups of mounting holes are arranged in the mounting plate in a penetrating manner, a plurality of groups of fixing mechanisms are arranged on one side of the mounting plate, and each fixing mechanism comprises a mounting seat, a limiting seat and a spring. And a wire through hole is formed in the limiting seat in a penetrating mode, a limiting rod is arranged in the limiting seat in a penetrating mode, and a limiting cap is fixedly installed at the top of the limiting rod. Through the arrangement of the rubber disc and the connecting sleeve, the connecting sleeve is rotated while the limiting rod moves downwards, so that the connecting sleeve is in threaded connection with the limiting seat and moves downwards until the bottom of the rubber disc is in contact with the outer wall of the electric wire, rotation of the connecting sleeve is stopped, and the limiting rod is fixed at the height position; therefore, the electric wire is slightly extruded without being damaged, the line deviation is effectively prevented, and the stable line can ensure the normal flow of current.

The utility model discloses a rotating mechanism and a carton cutting device in the technical field of cutting. The rotating mechanism comprises a cutting assembly and a mounting shell, a motor is arranged on the mounting shell, a rotating piece is arranged in the mounting shell, and a cutter is inserted into the rotating piece; and the driving assembly comprises a first driving part, one end of the first driving part is provided with a second driving part, the second driving part comprises symmetrically arranged fixing plates, and the fixing plates are provided with third driving parts. The tool has the advantages that the tool can be quickly disassembled and assembled through the limiting groove, and the working efficiency is improved; the carton can be fixed through the first driving part, longitudinal displacement can be achieved, displacement of the cutter in the transverse direction and the vertical direction can be achieved through combination of the second driving part and the third driving part, and various cutting faces can be completed through the movement and circular movement of the cutter.

The present application belongs to the field of medical devices, and particularly relates to a liver negative pressure suction device, which comprises a negative pressure suction device, a multi-cavity negative pressure pipeline, a control device, a negative pressure pipeline and a negative pressure joint. The flexible silica gel ring is used as the negative pressure suction device. The device is first placed into the cavity through a puncture of a laparoscope, and is then placed between the liver and the abdominal cavity diaphragm of a patient. The liver and the abdominal cavity diaphragm are then attracted together through negative pressure. The abdominal cavity diaphragm is lifted by a pneumoperitoneum device, and the liver is pulled away from the stomach, so as to achieve the purpose of facilitating minimally invasive surgery of the stomach. The device can monitor the pressure change in real time during the process of pulling the liver, and is provided with an alarm device, which can remind medical staff to adjust in time, so as to ensure the suction effect and minimize the damage to the liver.

The utility model discloses an adjustable special piece cutting device for a photovoltaic adhesive film, which relates to the technical field of photovoltaic adhesive films and comprises a frame, a sliding groove is formed in the upper end of the inner side of the frame, a movable frame is movably connected to the inner side of the sliding groove, a plurality of first telescopic rods which are distributed at equal intervals are fixedly mounted on the inner side of the movable frame, and a plurality of second telescopic rods are fixedly mounted on the inner side of the movable frame. And the bottom ends of the multiple first telescopic rods are fixedly connected with cutters, and a motor is fixedly installed at one end of the inner side of the sliding groove. The sliding box can be driven to slide through the second telescopic rod, a photovoltaic adhesive film can be adsorbed on the surface of the sliding box through an external suction pump connected with a suction pipe and matched with a suction hole, so that the photovoltaic adhesive film can be fixed, and the photovoltaic adhesive film can be driven to move through movement of the sliding box; the length of the photovoltaic adhesive film can be adjusted according to requirements, displacement of the movable frame can be achieved through the motor and the first screw rod, and the photovoltaic adhesive film can be cut by matching the first telescopic rod with the cutter.

The utility model relates to the technical field of battery assembly processing, and discloses a WIFI performance automatic suction cup test platform, which comprises a support frame, a platform is fixedly mounted at the top end of the support frame, a support arm is fixedly mounted on one side of the top end of the platform, and an adjusting mechanism is arranged at the top end of the support arm; the adjusting mechanism comprises a guide rail, the guide rail is embedded in the top end of the supporting arm, a sliding table module is slidably connected to the outer wall of the guide rail, a power end is fixedly mounted at one end of the sliding table module, a connecting plate is fixedly mounted at the bottom end of the power end, and a mounting frame is fixedly mounted at the bottom end of the connecting plate. According to the automatic suction cup test platform based on the WIFI performance, automatic testing and displacement of carbon layer workpieces are achieved, the situation that the production efficiency is affected due to excessive participation of workers is avoided, meanwhile, the situation that multiple carbon layer workpieces adhere to one another in the adsorption displacement process can be avoided, grooves can be accurately detected for assembly, and the production efficiency is improved. And the condition of incapability of entering due to dislocation is avoided.

The utility model provides a multifunctional cargo box and a vehicle, and relates to the technical field of automobile storage, the multifunctional cargo box comprises two first box bodies arranged side by side, a box seat, a moving assembly, two second box bodies arranged side by side and a locking mechanism, the box seat is provided with a baffle, the two first box bodies are both arranged on the box seat, and the two second box bodies are arranged on the box seat. The two first box bodies are located on the two sides of the baffle respectively, the moving assembly is arranged on the box base so as to drive the box base to move, the two second box bodies correspond to the two first box bodies one to one in position in the vertical direction, and the second box bodies are movably arranged on the baffle so that a containing space which is vertically arranged and variable in size can be formed between the first box bodies and the second box bodies. The technical problems that the storage space of an existing vehicle container cannot be dynamically adjusted according to the size of goods, and mechanical interference is prone to occurring due to the fact that overall displacement cannot be achieved can be solved.

The invention discloses a switch cabinet handcart transfer device, and belongs to the technical field of switch cabinet handcarts, and the switch cabinet handcart transfer device comprises a transfer vehicle body which is provided with a lifting mechanism, and a supporting plate is arranged above the lifting mechanism; the two guide rail supporting plates are symmetrically arranged on the supporting plate; the adjusting mechanism is arranged on the supporting plate; the two connecting clamping plates are arranged on the two guide rail supporting plates in a sliding mode correspondingly, and clamping assemblies used for being connected with handles are arranged on the connecting clamping plates; the transmission mechanism is arranged on the supporting plate; according to the scheme, the transmission mechanism drives the two connecting clamping plates to move, so that the handcart can be moved in and out of the switch cabinet, a large amount of labor force and time are saved, the operation efficiency is remarkably improved, and the personal safety of operators can be effectively guaranteed; the two guide rail supporting plates can be driven to be close to or far away from each other through the adjusting mechanism, the requirements of various types of handcarts are met, the cost is reduced, and meanwhile the situation that multiple transfer carts occupy a large working space can be avoided.

The invention discloses multifunctional heat recovery rotating wheel type fresh air ventilation equipment, and belongs to the technical field of fresh air ventilation equipment, the multifunctional heat recovery rotating wheel type fresh air ventilation equipment comprises a shell and an air guide pipe, a ventilation pipeline is fixedly mounted on the side wall of the shell, an air filtering assembly is arranged on the outer wall of the ventilation pipeline, and a buckle assembly and a fixing assembly are arranged on the air filtering assembly; the air filtering assembly comprises a connecting frame and a filter screen, the connecting frame is fixedly mounted on the outer wall of the ventilation pipeline, a filter screen groove is formed in one side of the connecting frame, a sliding groove is formed in the inner wall of the filter screen groove, and a mounting groove is formed in the inner wall of the sliding groove; according to the rotating wheel type fresh air ventilation equipment, the air filtering assembly is arranged, through the design, external fine impurities are effectively prevented from being subjected to heat recovery through the ventilation pipeline to the interior of the rotating wheel type fresh air ventilation equipment and are prevented from being adsorbed on the total heat exchanger, the heat recovery efficiency of the total heat exchanger is greatly improved, and the using effect is good.