184results about How to "Avoid hard contact" patented technology

The invention discloses a cleaning device. The cleaning equipment comprises a main machine and a first cleaning mechanism, the first cleaning mechanism comprises a first power part, a first cleaning part and a first stopping part, and the first power part is connected with the first cleaning part; the first cleaning part is provided with a first position expanding outwards to protrude out of the outermost edge of the main machine and a second position retracting inwards to be close to the inner side of the main machine; the first stopping part is arranged on the first power part, and the first stopping part is configured to make contact with an obstacle when the first cleaning part is located at the first position so as to prevent the mop assembly from making hard contact with the obstacle; the first backstop part drives the first cleaning mechanism to swing under the counter-acting force applied by the obstacle so as to drive the first cleaning part to move in the direction close to the second position. According to the cleaning equipment, the problems that obstacles such as wall surfaces and furniture are easily abraded when the mop of the cleaning equipment is expanded outwards, and the edges of the obstacles such as the wall surfaces and the furniture are inconvenient to clean can be solved.

The invention relates to the field of laser cutting, in particular to an anti-collision reset device for three-dimensional laser cutting, which is arranged on a driving mechanism for driving a laser head to move, and the driving mechanism is provided with a driving block on which the laser head is arranged. The anti-collision reset device comprises a sleeve fixedly arranged on the driving block, anti-collision strips movably arranged on the periphery of the sleeve and a reset mechanism. The reset mechanism comprises an elastic connecting piece fixedly arranged between the laser head and the sleeve and a locking assembly in transmission connection between each anti-collision strip and the laser head. The laser head is protected through the anti-collision strip, the laser head is prevented from making direct contact with a welded workpiece, and after the anti-collision strip collides with the welded workpiece, constraint of the locking assembly on the laser head is rapidly relieved, so that the laser head rapidly retracts into the sleeve and is reset to the non-working state of the laser head; and the risk that the laser head is damaged due to collision is avoided.

The utility model provides a self-cleaning oil-water separator which comprises a box body and collecting barrels arranged on two sides of the box body, a sewage inlet pipe orifice is arranged at the upper end of the box body, a filter plate for filtering sewage is arranged in the box body, and a grease separation chamber is arranged at the lower end of the filter plate to separate grease. Side plates are elastically arranged on the two sides of the filter plate to seal the two sides of the filter plate and prevent oily wastewater from entering the deslagging channel, and when the scraper plate moves to the edge of the filter plate, the second sliding block pushes the first sliding block to move outwards, so that the side plates open the notches in advance, sundries and residues are guided into the deslagging channel, and the reciprocating motion of the scraper plate can effectively remove the sundries and residues on the filter plate; the sewage filtering efficiency is improved. The scraping plate is elastically arranged on the elastic pressing seat, hard contact between the scraping plate and the filter plate is avoided, the bottom of the scraping plate can be attached to the filter plate, and the scraping stability is improved.

The invention provides a crimping structure for rotor positioning, a rotor positioning mechanism and a magnetizing station structure.The crimping structure comprises a crimping shaft, an end sleeve, a tip cone, an elastic piece and a connecting pin, a sleeve hole is formed in the bottom end of the crimping shaft, longitudinal sliding holes which are oppositely formed are formed in the cylinder wall, the end sleeve comprises a sleeving end arranged in the sleeve hole in a sleeving mode, and the tip cone is arranged in the sleeve hole; a pin penetrating hole is formed in the upper section of the sleeving end in the radial direction, a containing hole is formed in the bottom end of the end sleeve in the axial direction, a rotation limiting hole and a limiting hole are formed in the lower section of the sleeving end in the radial direction, an annular groove and a longitudinal groove are formed in the peripheral face of the tip cone, the tip cone is installed in the containing hole, and the elastic piece is compressed between the tip cone and the bottom face of the containing hole. A plug pin penetrates into the rotation limiting hole and enters the longitudinal groove, a plug pin penetrates into the limiting hole and penetrates into the annular groove, the connecting pin penetrates through the pin penetrating hole of the end sleeve, and the two ends of the connecting pin are contained in the opposite longitudinal sliding holes in an axial sliding mode. The crimping structure provided by the invention has a better buffering effect, maintains the elastic force to the rotor when the rotor slides down, and achieves the stable pressing of the rotor.

The invention provides a lifting device which comprises an ejector pin assembly installed in a wafer chuck in a lifting mode, the ejector pin assembly is provided with an outer ejector pin and an inner ejector pin, the inner ejector pin is elastically connected with the outer ejector pin, and the inner ejector pin is used for being grounded; the outer thimble has an abutting end, and the inner thimble has a contact end. The ejector pin assembly has a first state and a second state, in the first state of the ejector pin assembly, the contact end protrudes relative to the abutting end, the contact end is used for making contact with the wafer and desorbing, meanwhile, the inner ejector pin buffers impact generated when the inner ejector pin makes contact with the wafer through elastic connection with the outer ejector pin, and the abutting end and the wafer are arranged at intervals. Therefore, the risk of collision between the wafer and the inner ejector pin can be reduced; in the second state of the ejector pin assembly, the contact end is flush with the abutting end, the abutting end and the contact end are used for abutting against the wafer at the same time, the wafer is jacked up through the outer ejector pin, and therefore the risk that the wafer slides and is damaged due to uneven elastic force can be avoided.

The utility model relates to the field of building construction, in particular to a pipeline supporting device for building construction. The utility model provides a pipeline supporting device for building construction. A pipeline supporting device for building construction comprises a base, a lifting seat, a first spring, a mounting frame, a supporting roller, a limiting roller, a pushing air cylinder, a connecting groove rod, a buffering mechanism and a positioning mechanism. By means of the compression effect of the first springs and the second springs, a buffering effect is achieved on placement of a pipeline, hard contact caused by the fact that the pipeline is directly pressed on the supporting rollers and lacks buffering is avoided, pipeline damage can be prevented, the protection effect on the pipeline is improved, and the service life of the pipeline is prolonged.

The utility model provides a protection structure and a rotary clamping jaw, and belongs to the technical field of rotary clamping jaws. The protection structure comprises a clamping assembly and a protection assembly, the driving structure is arranged on one side of the control structure, the clamping base is arranged at one end of the driving structure, and the clamping jaw is correspondingly arranged on one side of the clamping base. Secondly, when an object is clamped, through relative movement of the clamping jaws, the object can be clamped through the clamping plates, the clamping plates are fixedly connected with the elastic bases, the elastic pieces can play a buffering role in the clamping process until the clamping plates make contact with the clamping jaws, and direct rigid contact between the clamping jaws and the object can be avoided through the elastic pieces and the clamping plates; according to the clamping device, the clamping force is increased, damage to an object caused by too large clamping force is prevented, the object is protected, the clamped object is conveniently protected, damage or deformation of the clamped object is prevented, and therefore the practicability is improved.

The utility model relates to the technical field of power distribution control contacts, and discloses a power distribution control contact convenient for fixing wire ends, which comprises a contact body and a plurality of wiring grooves arranged on the contact body, a plurality of through grooves matched with the wiring grooves are arranged at the top and the bottom of the contact body, and the lower end of the inner wall of each through groove is slidably connected with a moving block. The top of the moving block is fixedly connected with a sliding rod, the upper end of the sliding rod extends out of the contact body and is in sliding connection with the contact body, and the outer wall of the sliding rod is sleeved with a first spring. According to the power distribution control contact convenient for fixing the wire end, the sliding rod is pressed downwards forcibly to enable the moving block to move downwards, and after the moving block moves downwards to abut against a wire, the sliding rod can be well limited and fixed through the limiting assembly, so that the power distribution control contact has the advantages that people can install and fix the wire end more conveniently, and the service life of the wire end is prolonged. And the connection between the electric wire and the electric contact is firmer, so that the stability of the electric contact is higher during use.

The utility model discloses an anti-deformation bearing thin-wall part machining supporting and fixing structure which comprises a base and a supporting assembly, a machining table is connected to the top of the base, clamping blocks are arranged on the two sides of the top of the machining table, and the supporting assembly is arranged in the machining table and comprises a bevel gear ring and a plurality of bevel gears meshed with the bevel gear ring. A lead screw is arranged in the machining table through a plurality of rotating frames, the surface of the lead screw is in transmission connection with a supporting plate through a lead screw nut, the supporting and fixing structure is provided with a supporting assembly, a driving motor drives a bevel gear ring to rotate, a plurality of bevel gears rotate synchronously, then the lead screw is driven to rotate, and the supporting plate ascends to support the interior of the thin-wall part; by means of the internal supporting mode, pressure and friction force borne by the inner wall of the thin-wall part during polishing can be effectively dispersed, deformation caused by lack of supporting is avoided, the size precision, the shape precision and the surface quality of the bearing thin-wall part are guaranteed, the product percent of pass is increased, and waste products are reduced.

The utility model discloses a wafer film pasting platform which comprises a transverse moving frame, a transverse moving driving module, a height adjusting assembly, a lifting assembly and a rotating assembly, an adsorption platform is used for adsorbing a wafer to be pasted with a film, an auxiliary supporting platform is used for supporting a film material when the inner ring film material is cut, and the transverse moving driving module is configured to drive the transverse moving frame to move. The height adjusting assembly is configured to drive the auxiliary supporting platform to a high position or a low position, the lifting assembly is configured to drive the adsorption platform to ascend to a preset height and place a wafer on the adsorption platform, and the rotating assembly is configured to drive the adsorption platform to rotate by a preset angle so as to drive the wafer on the adsorption platform to rotate. The wafer film pasting platform is simple in structure and ingenious in design, two or more layers of films can be pasted on the wafer at a time, meanwhile, the film pasting angle can be adjusted, multiple times of film pasting are not needed, in addition, the wafers within a certain size range can be subjected to film pasting on the same platform, compatibility is remarkably improved, and cost is greatly reduced.

The invention relates to the technical field of fire extinguisher valve assembling equipment, and discloses fire extinguisher valve automatic assembling equipment and a using method thereof.The fire extinguisher valve automatic assembling equipment comprises a main body, a bottom box is fixedly connected to the top of the main body, a motor is fixedly connected to the inner wall of the bottom of the bottom box, and the output end of the motor penetrates to the outer wall of the top of the bottom box and extends to the outside; the extending end of the output end of the motor is fixedly connected with a rotating disc, the top of the body is fixedly connected with a plurality of first electric push rods, and every two first electric push rods form a group and are arrayed circumferentially with the rotating disc as the center. When the periphery of the top of the elastic framework is pushed by the inclined plate, the two semicircular plates can be driven to move oppositely, when the semicircular plates move oppositely, the surface of the valve body can be wrapped, the valve body is kept in the middle of the groove hole, and therefore accurate positioning of the valve body is achieved; the influence on the assembly precision between the valve body and the valve rod nut during the assembly of the rotary valve body is reduced, and the condition of deviation is reduced.

The utility model relates to the field of precision casting detection, in particular to a precision casting detection device with a direction adjusting function, which comprises a side plate, a material distributing assembly is arranged at the top of the side plate and comprises a material distributing plate housing fixedly connected to the top of the side plate, and a material distributing plate groove is formed in the material distributing plate housing. An electric telescopic rod is fixedly connected into the material distributing plate groove, a first material distributing plate is fixedly connected to the bottom end of the electric telescopic rod, and two damping springs which are arranged in a spaced mode are fixedly connected to the top of the first material distributing plate. When the precision casting is detected to be qualified, the electric telescopic rod can drive the first material distributing plate to move downwards to be attached to the conveying belt, the qualified precision casting moves to the position of the first discharging port along with the arc-shaped first material distributing plate and is discharged through the first discharging port, the length of the first material distributing plate is consistent with the length of the conveying belt, the covering area is large, and the stroke is short; and the problem that qualified precision castings are not pushed away can be prevented.

The utility model discloses a photovoltaic system and a buckle cover type waterproof structure thereof, which belong to the field of photovoltaic technology and comprise a waterproof buckle cover arranged at a gap between two adjacent photovoltaic assembly frames. The waterproof buckle cover comprises a water retaining part which shields right above the gap, a buckle part which extends downwards from the water retaining part and is inserted into the gap, and a sealing part which extends from the water retaining part to two opposite sides of the gap and covers the A surface of the photovoltaic module frame, and the buckle part is buckled and fixed with the B surface of the photovoltaic module frame. And a sealing rubber strip is arranged between the sealing part and the A surface of the photovoltaic module frame. According to the waterproof cover plate, a small gap between the sealing part and the A surface is secondarily blocked through the sealing rubber strip, the waterproof reliability is improved, and therefore compared with a conventional waterproof cover plate, the waterproof cover plate can greatly improve the waterproof effect.

The invention provides a steel casting node multi-working-condition load test system and method, and belongs to the technical field of steel structure performance tests.The steel casting node multi-working-condition load test system comprises a reaction frame, a fixing seat and a supporting device located in the reaction frame and further comprises a loading mechanism and a guiding mechanism; through running fit of the first driving motor and the second driving motor, the loading mechanism can move on the inner gear ring and the arc-shaped supporting plate, the loading mechanism can move at multiple angles, mechanical performance detection can be carried out on multi-dimensional steel casting nodes, and the detection effect of the test system is improved.

The utility model discloses an automobile electronic production line interface debugging clamp which comprises a working table, an adjusting plate is arranged on the working table through an adjusting assembly, a buffering assembly matched with the adjusting assembly is further arranged on the working table, a fixed fixing frame is fixedly arranged at one end of the adjusting plate, and a movable fixing frame is arranged at the other end of the adjusting plate through a moving mechanism. Clamping assemblies are arranged between the fixed fixing frame and the movable fixing frame at equal intervals. The device has the beneficial effects that the interface of the automobile electronic production line can be conveniently clamped and fixed, and the clamping assembly can be rotated and finely adjusted according to the shape and the size of the interface, so that the interface can be better attached, the clamping effect is ensured, the stability is ensured, the conditions such as deviation in the subsequent moving, plugging and debugging process are avoided, and the working efficiency is improved. Meanwhile, the testing device can be adapted to automobile electronic production line interfaces of different specifications and sizes, and the practicability of the testing device is improved.

The application discloses an online automatic measuring device for the wall thickness of a high-temperature steel pipe. The device comprises a steel pipe guide column, a transmission ring, a main frame assembly, a connecting rod assembly and a first adjusting assembly. The steel pipe guide column is arranged in the main frame assembly and is used for conveying a steel pipe to be measured. The transmission ring is coaxially arranged outside the steel pipe guide column and is arranged close to the steel pipe outlet of the steel pipe guide column. The transmission ring is connected to the outlet side plate of the main frame assembly through the first adjusting assembly. A plurality of connecting rod assemblies are arranged at intervals along the circumference and are arranged close to the steel pipe inlet of the steel pipe guide column. Each connecting rod assembly extends into the steel pipe guide column and is provided with a detection assembly. The connecting rod assembly is connected to the inlet side plate of the main frame assembly and is connected to the transmission ring. The device can be used for long-time online measurement of the wall thickness of the steel pipe at high temperature (600-1000 DEG C), realizes real-time synchronization of relevant data, greatly improves the qualified rate of the finished steel pipe and reduces the cost of the production line.

The utility model discloses a kind of damping device of unmanned plane rotating shaft, it is related to unmanned plane technical field, including: unmanned plane body and damping protection piece, unmanned plane body has rotor support, the end of rotor support is equipped with rotor drive structure, the end of rotor support is located below rotor drive structure and is equipped with through mounting hole;Damping protection piece is connected in the outside of rotor drive structure by mounting rod through mounting hole, the connecting place of mounting rod and mounting hole has elastic damping part, the outside of mounting rod is formed with damping and protection structure.The utility model sets up mounting hole by being arranged at the end of rotor support, connects damping protection piece in the outside of rotor drive structure, and sets up elastic damping part at the connecting place of mounting rod and mounting hole, can effectively buffer the vibration and impact of rotor rotating shaft, improve the flight stability and reliability of unmanned plane under complex environment.

A portable wave-shaped guardrail installation device comprises a limiting mechanism, the limiting mechanism comprises a set of frames, a set of wave-shaped limiting baffles are installed between the two frames, the set of frames and the wave-shaped limiting baffles are combined to form a guardrail limiting area, one end of the limiting mechanism and a connecting mechanism are installed and fixed together, and the other end of the limiting mechanism is connected with the connecting mechanism. The other end of the connecting mechanism and the hydraulic mechanism are fixedly mounted together; according to the device, the wave-shaped guardrail is positioned through the arrangement of the V-shaped frame and the wave-shaped limiting baffles, up-down and left-right movement of the wave-shaped guardrail is effectively prevented, meanwhile, the wave-shaped limiting baffles are made of rubber materials, damage to the guardrail caused by hard contact with the guardrail is avoided, meanwhile, the device is attached to the guardrail more tightly, and the service life of the guardrail is prolonged. Slippage and rebounding caused by hard action between the guardrail and the device are avoided; long waist-shaped grooves are formed in the two sides of the connecting block, so that the limiting mechanism can be adjusted according to the mounting height of the wave-shaped guardrail; the device overcomes the defects in the prior art, mechanical installation of the wave-shaped guardrail is achieved, and the device is convenient to carry.

The utility model discloses a kind of non-full nutrition powder jar sealing machine, belong to sealing machine technical field, its technical key points include, including frame body, conveying belt is equipped between the two sides inner wall of frame body, conveying belt is conveyed with jar body above, plastic composite cover is placed with jar body above, the top of frame body is fixed with mounting bracket by bolt, the two sides inner wall between mounting bracket is fixed with baffle by bolt, the top of baffle is fixed with air cylinder by bolt, the movable end of air cylinder is fixed with connecting disc by bolt, the bottom of connecting disc is slidably connected with the installation disc passing through connecting disc, the utility model is used in cooperation with the secondary compression assembly by air cylinder, clamping assembly, plastic composite cover can be slowly applied pressure, avoid one-time pressure too large and cause damage to plastic composite cover, and plastic composite cover and jar body can be increased with the adhesion of jar body, improve the sealing property after jar body sealing.

The utility model belongs to the field of mobile phone production especially a kind of automatic film pasting device for mobile phone production, to the problem that the existing ordinary negative pressure type dust is easily sucked, some tiny dust is left on mobile phone, the following scheme is presented, including film pasting machine and conveying machine for conveying and collecting, the conveying belt of conveying machine is fixed with multiple mobile phone frames for fixing mobile phone, the side of film pasting machine is fixed with the feeding frame of intercommunication, dust cleaning mechanism and dust sticking mechanism for cleaning mobile phone are arranged in feeding frame;The dust sticking mechanism includes sliding frame sliding between the both sides of feeding frame and electric push rod, sliding frame both ends are through feeding frame, in the utility model, after using adhesive tape to press to mobile phone surface, then the tiny dust, fiber or particle left on mobile phone surface is stuck, avoid bubble after film pasting, improve the cleanliness of mobile phone, while being able to avoid the rigid contact of pressing plate and mobile phone, and being able to improve the sticking effect of adhesive tape and mobile phone, improve dust sticking effect.

The utility model relates to the technical field of electric energy metering boxes, and discloses an electric energy metering box with a falling mechanism, which comprises a box body and a support plate, the bottom of the support plate is fixedly connected with symmetrical L-shaped supports, four corners of the top of the support plate are fixedly connected with damping rods, the upper ends of the damping rods are fixedly connected with buffer plates, and the buffer plates are fixedly connected with the falling mechanism. Springs sleeve the outer walls of the damping rods, the upper ends of the springs are fixedly connected with the buffer plate, the lower ends of the springs are fixedly connected with the supporting plate, and the upper end of the buffer plate is connected with the box body; according to the electric energy metering box with the falling mechanism, the box body is arranged at the top of the buffer plate, and the damping rod and the spring are arranged between the buffer plate and the supporting plate, so that when the box body falls downwards, the damping rod and the spring are matched to play a better role in buffering and protecting the box body; and when the box body drives the buffer plate to move downwards to a certain degree, the alarm assembly is triggered, so that people are reminded to reinforce the box body in time, and the box body is effectively prevented from falling off the wall surface.

The utility model relates to an ink coating mechanism for edge covering of a silicon wafer battery piece, which comprises a bottom plate, supports are arranged on the bottom plate at intervals, a rotating shaft is arranged between the supports on the two sides in a rotating mode, and an ink roller is sleeved on the rotating shaft. A vertical plate with an inverted L-shaped structure is mounted on each single-side support, and a micrometer is mounted on each vertical plate; tool aprons are further arranged between the micrometer and the rotating shaft, a scraper is jointly installed on the tool aprons on the two sides, and the scraper is located above the printing ink roller at intervals; the tool aprons on the single sides are installed on the vertical plate in a floating mode. By rotating the micrometer, adjusting the actual relative position of the tool apron relative to the vertical plate and adjusting the spacing distance of the scraper on the tool apron relative to the printing ink roller, the thickness of an ink layer on the printing ink roller is adjusted through the scraper so as to meet the edge covering requirements of different printing ink thicknesses on a silicon wafer battery piece, operation is convenient and rapid, and the working efficiency is improved. And the printing ink thickness precision and uniformity can be effectively adjusted and maintained, and the practicability is good.

A turnover cab structure of a mining dump truck belongs to the technical field of engineering machinery and comprises a cab and a frame, a turnover frame is arranged between the cab and the frame, the cab is fixedly connected with the turnover frame, a shock absorber is arranged between the cab and the turnover frame, and one end of the turnover frame is hinged to the frame. The other end of the overturning frame is detachably connected with a mechanical lock on the frame through a lock hook, an overturning driving unit is hinged to the side portion of the frame, and the telescopic end of the overturning driving unit is hinged to the bottom of the overturning frame. According to the turnover frame, a common cab structure without a turnover function can achieve the cab turnover function, the development, production and use cost is greatly reduced, adaptive structure adjustment can be conducted on the turnover frame according to the shock absorber installation requirement, the turnover frame can adapt to shock absorbers of various forms, a special shock absorber structure is not needed, the overall application capacity is high, and the turnover frame is convenient to use. And the development and production cost is further reduced.

This utility model discloses a leveling mechanism for the housing of a new energy reducer, relating to the field of testing equipment. The mechanism includes a base plate with a clearance groove in the middle. A top support frame is fixed to the top surface of the base plate, and three lifting devices are mounted on the top support frame. Each lifting device has a contouring component at its moving end. This mechanism can determine whether the top surface of the housing is level with the horizontal detection block by measuring changes in air pressure, thus effectively detecting the levelness of the housing's top surface. Furthermore, by combining this with a corresponding clamp to drive the top surface of the housing to tightly press against the bottom surface of the horizontal detection block, the clamping pressure is reasonably controlled, avoiding situations where the clamping is too loose, resulting in insufficient contact, or too tight, causing damage to the housing. This improves the stability and accuracy of the testing.

The utility model discloses a water pump damping structure for a tea bar machine and the tea bar machine. The water pump damping structure comprises an installation body composed of at least one installation sleeve. The mounting wing plates are integrally arranged on the two sides of the mounting sleeve, and mounting holes are formed in the mounting wing plates; the installation body and the installation wing plates are made of soft materials. The mounting body and the mounting wing plates which are made of soft materials are adopted to assist the water pump in being mounted in the cabinet body, vibration of the water pump to the cabinet body in the operation process can be effectively reduced, and the use experience of a user is improved.

The utility model relates to the technical field of machine tools, in particular to automatic production equipment for installing a gas valve. The equipment comprises a workbench, a rotating disc is rotationally mounted on the workbench, a valve body mounting position is arranged on the rotating disc, and the valve body mounting position is used for mounting a valve body and enabling the air inlet end of the valve body to be arranged outwards; the workbench is further provided with a gas valve inner cover mounting mechanism and an overflow plug mounting mechanism which are arranged at intervals along the rotating route of the rotating disc, the gas valve mounting mechanism is used for pressing a gas valve inner cover to the upper end of a gas valve handle, and the overflow plug mounting mechanism is used for coaxially pushing an overflow plug to the gas inlet end of the valve body. A valve body can be fixed through the valve body mounting position, mounting work of an overflowing plug and a gas valve inner cover can be completed through the overflowing plug mounting mechanism and the gas valve inner cover mounting mechanism correspondingly, the overflowing plug mounting mechanism can push the overflowing plug to the gas inlet end of the valve body coaxially, the overflowing plug mounting accuracy can be improved, the percent of pass can be increased, and safety can be guaranteed.

The utility model relates to the field of physical training, and discloses physical training equipment for sports, which comprises a base, the base is of a cavity structure, a U-shaped frame is fixed at one end of the top of the base, a stretching mechanism for arm training is arranged on the side wall of the U-shaped frame, a supporting mechanism for leg training is arranged in the base, and a connecting plate is slidably arranged on the inner side wall of the U-shaped frame. Second sliding grooves are formed in the two inner side walls of the U-shaped frame correspondingly, first sliding blocks are slidably connected to the inner side walls of the two second sliding grooves correspondingly, and the two first sliding blocks are fixed to the two ends of the connecting plate correspondingly. By means of the arm training stretching mechanism and the leg training supporting mechanism, the arms and the legs of a trainee can be trained at the same time, the training effect is improved, in the training process, the first buffering mechanism and the second buffering mechanism are matched to buffer the connecting plate twice, the trainee is prevented from loosening the hanging ring, and the training effect is improved. The connecting plate is released instantly, the arms of the trainee are prevented from being strained, and the training effect is improved.

The application discloses a mechanical gripper convenient to fold and store, and relates to the technical field of mechanical grippers.The mechanical gripper comprises a mechanical arm, a first fixed seat, a second fixed seat rotatably arranged on the first fixed seat along a horizontal plane, a first power unit arranged on the first fixed seat and used for driving the second fixed seat to rotate, the second fixed seat and one end of a first swing arm are connected in up-and-down swing mode, a second power unit arranged on the second fixed seat and used for driving the first swing arm to rotate, the other end of the first swing arm and a third fixed seat are connected in up-and-down swing mode, a third power unit arranged on the third fixed seat and used for driving the third fixed seat to rotate, a fourth power unit further arranged on the third fixed seat and used for driving a second swing arm to swing, and an end gripper arranged on the second swing arm and used for clamping an article.

The present invention relates to the field of semiconductor technology, and provides a wafer transmission device, including a shell assembly and a wafer carrier. The shell assembly includes a box body and a cover body, the cover body is covered on the box body, the cover body and the box body surround a receiving cavity, and a valve assembly is provided on the box body; the wafer carrier is arranged in the receiving cavity, and the wafer carrier includes a first carrier and a second carrier that are arranged oppositely, the first carrier and the second carrier are connected to each other, and the first carrier and the second carrier are respectively provided with a plurality of bearing grooves for placing wafers, and a first flexible limiting member is provided on the two opposite groove walls of each bearing groove; when the receiving cavity is maintained in a vacuum environment by the valve assembly, the first flexible limiting member expands and extends to limit the corresponding wafer. The present invention can not only form a buffer for the wafer, but also provide a stable limit for the wafer to prevent the wafer from shaking in the bearing groove, so as to facilitate the wafer transmission device to transmit the wafer and avoid the risk of scratches or even breakage of the wafer.