53results about How to "Simple working principle" patented technology

The present invention discloses an integrated calibration device and working method of a Rockwell hardness tester, which belongs to the field of hardness tester detection technology, including a Rockwell hardness tester body, a top connection block, a force sensor, a connector, a hardness tester indenter, a displacement sensor, a data output device and a data transmission line; wherein the force sensor captures and obtains the force value loaded on the hardness tester; the displacement sensor can synchronously obtain the distance the hardness tester indenter falls during the pressing process of the hardness tester indenter; the data output device can select the scale corresponding to the hardness tester, record and store data, and generate raw detection data, which can be connected to a certificate system to generate a calibration certificate. The integrated calibration device of the Rockwell hardness tester of the present invention adopts an integrated design to reduce the error caused by human operation, the linear accuracy of the displacement is better than 0.2μm, and the accuracy of the force sensor is 0.3 or above; and it has high stability and long service life, and can replace traditional calibration equipment and methods.

The present invention provides a high-power dynamic constant tension winding and unwinding device, comprising a frame, a wire unwinding frame, a reduction motor, a control cabinet and a distance meter arranged on the frame; a wire unwinding shaft is arranged on the wire unwinding frame, wherein the wire unwinding shaft is used to place an electromagnetic wire reel, and the electromagnetic wire is wound on the electromagnetic wire reel; a frequency converter is arranged in the control cabinet, and the frequency converter is connected to the reduction motor and the distance meter, wherein the control cabinet is used to set the constant tension required for the electromagnetic wire, the reduction motor is used to output a torque that changes with the radius of the electromagnetic wire reel to the wire unwinding shaft, and the distance meter is used to detect the radius of the electromagnetic wire reel and feed back to the frequency converter, and the frequency converter adjusts the torque output by the reduction motor to form a closed loop, so that the electromagnetic wire on the electromagnetic wire reel maintains a dynamic constant tension. Regardless of whether the winding state is in motion or stagnation, a constant tension is loaded on the electromagnetic wire, which greatly improves the winding quality of the coil and the tightness between the turns, and reduces the quality risk when the synchronous machine is running.

The utility model provides a kind of concrete slab joint sweeper, including support, joint sweeping mechanism and walking wheel, support includes frame body and handrail, joint sweeping mechanism includes driving device and joint sweeping brush, joint sweeping brush is arranged in the center of frame body front end bottom, driving device is arranged on the upper portion of frame body, walking wheel is arranged in the center of frame body rear end bottom, the utility model guarantees the accuracy of joint sweeper, construction quality is better, efficiency is higher, economy is more optimal, convenient time-saving.

The invention relates to the technical field of rana nigromaculata slaughtering, in particular to a rana nigromaculata slaughtering machine. Comprising a rack, and a supporting plate, a rolling belt, a blade, a viscera removing piece, a conveying belt, a push rod, a pneumatic clamping jaw, a head removing blade and the like are arranged above the rack; the lower portion of the supporting plate is driven by a rolling motor, so that the rolling belts on the two sides rotate at the same rotating speed. The rana nigromaculata is clamped by the rolling belts on the two sides and conveyed along a straight line, belly opening and viscera removing operation is sequentially completed, then the rana nigromaculata is conveyed to the baffle through the conveying belt to be subjected to peeling and head removing, the rana nigromaculata is pushed out through the push rod after peeling and head removing are completed, and continuous slaughtering of the next rana nigromaculata is achieved circularly. The device has the advantages of short time consumption, high efficiency, low labor cost, small operation difficulty, small occupied area, simple structure, high automation degree and the like, can meet the large-scale slaughtering requirements of rana nigromaculata, and has a good application prospect.

The present invention discloses an aging test box and a humidity control method for the aging test box, wherein the aging test box includes an ultrasonic humidification device, an air blowing device, a test box working room, a control device and a humidity sensor, and the control device is connected to the ultrasonic humidification device and the humidity sensor respectively; the ultrasonic humidification device is used to generate mechanical vibration to break up water molecules and generate water mist; the air blowing device is used to input the water mist into the test box working room; the humidity sensor is used to collect humidity parameters in the test box working room and transmit the humidity parameters to the control device; the control device is used to control the working state of the ultrasonic humidification device in combination with the humidity parameters and the humidity threshold. The present invention uses an ultrasonic humidification device to break up water molecules to generate water mist, thereby improving the test accuracy of the aging test box, and has a simple working principle, lower cost, smaller size and higher safety, and can be widely used in the field of weather resistance test detection.

This utility model relates to the field of forklift technology and discloses an assembly and positioning fixture for a forklift tail carriage assembly. It includes a base, on which a slit positioning assembly is fixed. The slit positioning assembly includes a positioning bracket and horizontally arranged, mutually perpendicular transverse slit positioning blocks and longitudinal slit positioning blocks. The end of the transverse slit positioning block furthest from the positioning bracket is an abutment end, used to abut against the side plate of the tail carriage assembly. The end of the longitudinal slit positioning block furthest from the positioning bracket is also an abutment end, abutting against the front or rear plate of the tail carriage assembly. A steering axle positioning assembly is fixed to one side of the base. The steering axle positioning assembly includes a steering axle positioning bracket and a positioning pin. The axis of the positioning pin is collinear with the axis of the steering axle mounting hole on the tail carriage assembly. This utility model, through the coordinated operation of the slit positioning assembly and the steering axle positioning assembly, quickly and accurately positions and fixes the various plates of the tail carriage assembly, ensuring the coaxiality of the slit dimensions and the steering axle mounting holes.

The system comprises a background monitoring terminal, the background monitoring terminal comprises a monitoring host, a monitoring display screen is installed on the front side face of the monitoring host, an alarm is installed at the upper end of the monitoring host, and the monitoring host is connected with a front-end power grid patrol mechanism. The power grid patrol mechanism comprises a three-dimensional image acquisition camera, a three-dimensional image acquisition module, a three-dimensional image enhancement module, a Beidou positioning module, an abnormal image recognition module, a signal transmission module and a processor module, and the three-dimensional image acquisition camera is installed at the bottom end of the patrol unmanned aerial vehicle; the input end of the three-dimensional image acquisition module is connected with the three-dimensional image acquisition camera, and the output end of the three-dimensional image acquisition module is connected with the processor module through the three-dimensional image enhancement module. And the abnormal position is accurately positioned, so that the safety of the power grid is improved.

The invention relates to the technical field of glass processing, and particularly discloses a glass laser cutting internal cracking device and method.The glass laser cutting internal cracking device comprises a base, and an internal cracking tool on the base is mainly composed of a pressing mechanism, an internal cracking mechanism and a stripping mechanism; glass is placed on the internal cracking jig, the internal cracking jig is heated and heats the glass to the required cracking temperature through heat conduction, the lower pressing mold of the stripping mechanism supports the lower surface of waste, the upper pressing mold of the lower pressing mechanism slowly pressurizes the upper surface of the glass waste, and meanwhile the stripping mechanism slowly descends; cooling the lower pressing mold and the upper pressing mold by using a cooling liquid, and refrigerating and cooling the glass waste through heat conduction, so that the glass finished product expands after being heated, the waste is contracted after being cooled, and the glass waste is separated from the peripheral finished product to complete splitting; the problems that the glass inner hole cracking efficiency is low and the edge breakage yield is low are solved, drilling separation treatment does not need to be carried out on the glass, dust is not generated in the whole glass machining process, and dust pollution to the glass and equipment is avoided.

The utility model relates to the technical field of toy models, and discloses a toy model capable of performing simulation teaching, which comprises a half-human model, a simulation mechanism is fixedly embedded in the half-human model close to the chest and the neck, and the simulation mechanism comprises a transparent plastic shell. An outer nylon diaphragm is fixedly arranged at the position, close to the rear side, of the upper end face of the transparent plastic shell, an inner nylon diaphragm is fixedly arranged in the middle of the interior of the transparent plastic shell, and a silica gel filling block is arranged at the position, close to the position between the outer nylon diaphragm and the inner nylon diaphragm, of the interior of the transparent plastic shell. A plurality of air bags are fixedly arranged in the middle of the interior of the transparent plastic shell, a three-way pipe is fixedly arranged at the output ends of the air bags, and a corrugated pipe is fixedly arranged at the front end of the three-way pipe. According to the utility model, the toy model is helpful for training and educating young students by demonstrating the abnormal condition that foreign matters are clamped into the trachea and the emergency rescue process.

The application provides a heat recovery method and device of a pyrolysis rotary furnace, and the heat recovery method comprises pyrolysis gas flow condensation: high-temperature pyrolysis gas flows out from a pyrolysis furnace, enters a high-temperature condenser after slag removal, is cooled by a light working medium, high-boiling-point pyrolysis oil components are condensed out, are collected and discharged into a high-boiling-point oil tank for storage, and meanwhile, medium-temperature pyrolysis gas is obtained; working medium circulation: the light working medium absorbs the heat of the high-temperature pyrolysis gas in the high-temperature condenser, evaporates water vapor and becomes a concentrated working medium which is discharged from the lower part of the condenser and returned to a medium absorber, during which, the concentrated and light liquid heat exchanger is used to transfer the heat of the working medium to the light working medium of the high-temperature condenser; the application of the mature technology is a derivative application of the absorption heat pump technology, the working principle is simple, the system route is safe, and the operation is stable.

The invention provides a wind-solar complementary cooperative controller for a wind-solar station and a use method, and the controller comprises a controller housing, a display screen is installed on the front side surface of the controller housing, a plurality of interfaces are installed on one side of the controller housing, and a main control board is installed in an inner cavity of the controller housing. A main control unit, a motor driving unit, a data transmission unit, a PWM rectifying unit, a solar panel control unit and a wireless transceiving unit are installed on the main control board, the input end of the data transmission unit is connected with a rotating speed acquisition module, a current acquisition module and a voltage acquisition module, and the output end of the data transmission unit is connected with the main control unit; the main control unit is connected with the wind driven generator through the motor driving unit, the wind driven generator is electrically connected with the storage battery pack, the PMW rectifying unit is connected with the main control unit and the storage battery pack, and the solar panel control unit is connected with the main control unit and the storage battery pack. The system can simultaneously control the wind driven generator and the solar cell panel to carry out safe and efficient intelligent charging on the storage battery, and the cooperative control efficiency is high.

The invention provides a network state analysis system and method, and the system comprises an information collection module and an information analysis module, the information collection module is connected with a user interface through a first restful interface unit, the information collection module is connected with network equipment through a second restful interface unit, the information collection module is connected with a log collection module, and the log collection module is connected with the user interface through a second restful interface unit. According to the system, the working principle is simple, information interaction and unified display of a user interface and network equipment are completed through a restful interface, and a friendly interaction interface is achieved. According to the method, the workload of network management of network personnel can be greatly reduced, the technical difficulty of network operation and maintenance is reduced, and meanwhile, a function-extensible network operation and maintenance analysis tool can be provided for advanced network management personnel.

The present invention discloses a spherical surface unfolding device of a sphere, the main points of which are: comprising a friction disc, a friction disc driving device, a sphere tray assembly and a bottom plate. The sphere tray assembly comprises a sphere displacement turntable, and the sphere displacement turntable is rotatably arranged above the friction disc. The sphere displacement turntable is provided with a sphere limiting hole running through the top and bottom thereof, and the aperture of the sphere limiting hole corresponds to the diameter of the sphere. The corresponding part of the middle part of the sphere is located in the sphere limiting hole, and the corresponding part of the lower part of the sphere is in contact with the friction disc. The displacement turntable is used to change the displacement of the sphere in the horizontal plane to change the working position, and the sphere can rotate freely in the sphere limiting hole. The friction disc driving device is arranged on the bottom plate, and the friction disc driving device drives the friction disc to move in the same horizontal plane. The friction disc enables the sphere to rotate freely in situ in the sphere limiting hole through friction force.

The present invention discloses a high-frequency excitation type pile foundation acoustic detection tube inner wall rust removal device and a method of use, which belongs to the technical field of acoustic detection tube rust removal, and solves the technical problem that when performing rust removal operations on acoustic detection tubes, knocking or inserted steel bar friction rust removal methods are often used, and the rust removal effect is not ideal and the inner wall of the acoustic detection tube is easily damaged. It includes a device outer shell, the outer shell is provided with expandable side walls opposite to each other in the length direction, and the inside of the expandable side wall is provided with an exciter for generating excitation; the inside of the outer shell is also provided with a side wall retractable structure, and the side wall retractable structure includes a side wall top opening device movably connected to the expandable side wall, a contraction spring, and a driving motor for driving the side wall top opening device, and the two ends of the contraction spring are connected to the expandable side wall. The high-frequency excitation type pile foundation acoustic detection tube inner wall rust removal device provided by the present invention can better complete the rust removal work on the inner wall of the pile foundation acoustic detection tube, has high rust removal efficiency, and is easy to use.

This utility model relates to the field of mechanical rust prevention technology and discloses a mechanical rust prevention device with rust inhibitor flow rate regulation, which solves the problems mentioned in the background art. It includes a storage tank with a filling port at the top and a flow rate regulation mechanism connected to the bottom via a pipe; the flow rate regulation mechanism includes a throttle valve and a connecting ring, the connecting ring being threaded to the valve core of the throttle valve and connected to a manual handle; a spray head connected to the flow rate regulation mechanism; and a workpiece positioning device connected to the flow rate regulation mechanism. This utility model has a simple and intuitive working principle, is easy to operate, and is suitable for various environments, especially those without power or in flammable environments.

The embodiment of the invention provides a checking device for the working state of an airborne electromagnetic valve, and relates to the technical field of airborne electromagnetic valve detection.The checking device comprises a normally-open magnetic control switch 1, a power module 10 and a prompting device; wherein the positive electrode of the power supply module 10 is connected with the positive electrode of the prompting device, the negative electrode of the prompting device is connected with one end of the normally-open magnetic control switch 1, and the other end of the normally-open magnetic control switch 1 is connected with the negative electrode of the power supply module 10; when the airborne electromagnetic valve to be tested is in a working state, the normally-open magnetic control switch 1 senses a magnetic field generated by the airborne electromagnetic valve, so that the normally-open magnetic control switch 1 is closed, a circuit is formed between the normally-open magnetic control switch 1 and the power supply module 10, and the prompting device is triggered to work to send out a prompting signal. According to the scheme, the working state of the airborne electromagnetic valve can be quickly and accurately judged.

The utility model relates to a rod-throwing detonating device, in particular to a device for converting rod-throwing detonating into pressure detonating, and solves the problems that a rod-throwing exploder is replaced step by step, and resource waste is caused by the overstocked rod-throwing exploder. The device comprises the front-end connector and the rear-end connector which are in threaded connection, the mandrels are arranged in the front-end connector and the rear-end connector, when ball throwing and pressing are not carried out, the first through hole in the front-end connector is communicated with the second through hole in the mandrel, liquid in the sleeve enters the blind hole of the mandrel after passing through the first through hole and the second through hole, and at the moment, the internal pressure and the external pressure of the whole device are balanced; when the blocking ball is thrown through the oil pipe, the blocking ball seals the conical hole of the mandrel, then the pin is pressed to reach a shear value and is cut off, the pressure pushes the mandrel to move towards the rod throwing exploder, the mandrel impacts the rod throwing exploder, and detonation is completed.

The invention discloses an ice flower observation instrument for obtaining images of water ice in a permanent shadow region of the moon, belonging to the field of aerospace and space exploration technology. The invention discloses an ice flower observation instrument for obtaining images of water ice in a permanent shadow region of the moon. The scheme can achieve, when obtaining images of water ice in a permanent shadow region of the moon, obtaining photos of ice flowers formed by condensation of moon water ice after volatilization by using a microscopic photography method under the action of a microscope lens, so that only a very small amount of moon water ice needs to be extracted and condensed to be observed, which helps to improve the mission success rate when the water content of the moon is low, and is more energy-efficient. Extraction can also be achieved by directly contacting and heating the water-containing moon soil in a deep low temperature and high vacuum environment of the moon, which has a simple working principle, a small size, flexible mounting, and greatly reduced complexity of engineering implementation, which is conducive to reducing risks.

The invention relates to a method for adjusting the coolant temperature of an electric motor of a drive (8) of a rotor of a centrifuge, preferably a separator (1) having a vertical axis of rotation, in particular during the centrifugal separation of suspended matter into at least two different product phases; wherein the rotor has at least one rotatable cylinder (2), and the drive device has an electric motor (8) which rotates the rotor directly or indirectly, and also has a device (100) for supplying the electric motor with a coolant, the device having a regulating device, the method comprises at least the following steps: a) providing a centrifuge comprising a drive device, b) driving the rotor by means of the electric motor, in particular during a centrifugal separation of the suspension into at least two different product phases, and c) cooling the electric motor in a regulated manner at least during step b) in a cooling cycle interrupted by an interval.

The utility model discloses an automatic door for a battery cooling furnace, which comprises a door plate, a transmission piece, a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are respectively and rotatably connected with two ends of the transmission piece, and the door plate is positioned between the first connecting piece and the second connecting piece. The transmission piece is connected with the door plate, and the first connecting piece and the second connecting piece are fixedly connected with a cooling furnace. The device further comprises a driving module, the driving module is connected with the second connecting piece, the driving module is in transmission connection with the transmission piece, and the driving module is used for driving the transmission piece to rotate. Through the structural arrangement of the transmission piece, the first connecting piece, the second connecting piece and the driving module, the structure for driving the door plate to turn over is simplified, and therefore the problems that an existing door plate assembly is complex in structure and high in production cost are solved.

The utility model relates to a kind of fast-mounting type hoisting boom for fork truck, including fork carriage and the additional rack fixed on fork carriage, two oppositely arranged main arms are installed on the additional rack, the main arm is inverted L-shaped hollow structure, front support beam is fixedly connected between the horizontal section of two main arms, middle beam is fixedly connected on the front support beam, the hanger plate is installed in the lower end of the middle beam, the horizontal section upper end of the main arm is fixedly connected with lifting lug, frame steel pipe is fixedly connected between the vertical section of two main arms.The utility model can be hoisting boom accessory fast-mounting quick-change, improve the overall use efficiency of fork truck, meet the demand of market to fork truck diversification operation, and improve hoisting stability by double-hoisting-point design.

The application provides a magneto-electric water turbine rotating speed measuring system and a measuring method, and the system comprises an alternating magnetic field generating module, an electromotive force generating module and a frequency measuring module; the alternating magnetic field generating module is arranged on a water turbine main shaft and is used for generating an alternating magnetic field when rotating with the water turbine main shaft; the electromotive force generating module is arranged in the alternating magnetic field generated by the alternating magnetic field generating module and is used for generating an electromotive force according to the alternating magnetic field; and the frequency measuring module is connected with the electromotive force generating module and is used for determining the rotating speed of the water turbine according to the electromotive force. The technical scheme provided by the application can measure the frequency of the unit at a low rotating speed, thereby improving the reliability of the water turbine rotating speed measurement, and the working principle is simple and the equipment structure is compact.

The utility model relates to an output shaft sleeve limiting mechanism applied to a servo mechanism, which comprises a rudderpost with a limiting bulge formed on the outer surface; a limiting groove is formed in the inner wall of the output shaft sleeve; a positioning surface is formed on the outer surface of the positioning pin, and the positioning pin penetrates through the through hole; the limiting groove is used for limiting the limiting protrusion, the positioning face is used for positioning the limiting protrusion, and the through hole is matched with the positioning pin and communicates with the limiting groove. According to the utility model, the traditional way of positioning the limiting bulge on the rudder shaft by using the mounting positioning surface is changed into the way of positioning the limiting bulge on the rudder shaft by using the positioning surface on the positioning pin, and the built-in mounting positioning surface which is not easy to process is changed into the external positioning surface which is convenient to process on the positioning pin; the production efficiency is improved, the part qualification rate and the machining precision of the output shaft sleeve and the positioning pin are improved, the machining precision of the positioning surface can reach 0.005-0.01 mm, the machining error is reduced, and the positioning precision of the rudder shaft is also improved.

The invention provides a dryer temperature and humidity control system and method based on a neural network, and the system comprises a sensing data collection unit, a sensing data processing unit, a heating resistor power collection unit, a BP neural network controller, and a PID controller. The input end of the sensing data acquisition unit is connected with a roller rotating speed sensor and a cooling fan rotating speed sensor, the output end of the sensing data acquisition unit is connected with the BP neural network controller through the sensing data processing unit, and the heating resistor power acquisition unit is connected with the BP neural network controller. The BP neural network controller is connected with the PID controller through the temperature adjusting unit and the humidity adjusting unit, the working principle is simple, a BP neural network algorithm is introduced for a multi-input multi-output time-varying nonlinear system of the grain dryer, a neural network model of the system is obtained through learning of a large amount of original data, and the temperature adjusting unit and the humidity adjusting unit are used for controlling the temperature adjusting unit and the humidity adjusting unit. And in combination with a traditional PID control algorithm, closed-loop control of the whole drying process is realized.

The present application provides a positioning system, positioning method and vehicle. The positioning system includes: a positioning system processing unit, an optical sensor and a laser transmitter; the laser transmitter is arranged outside the object to be positioned, connected to the positioning system processing unit, and is used to emit a laser after receiving an activation instruction issued by the positioning system processing unit, so that the laser irradiates the ground within a preset range near the object to be positioned; the optical sensor is arranged close to the laser transmitter, connected to the positioning system processing unit, and is used to receive the laser formed after being reflected by the ground, and to process the laser formed after the reflection to form image data, and transmit the image data to the positioning system processing unit; the positioning system processing unit is connected to the optical sensor, and is used to receive the image data, and to process the image data to form a motion trajectory of the object to be positioned, so as to complete the positioning of the object to be positioned. The embodiment of the present application does not require GPS to locate the vehicle, and is not affected by the environment.

The utility model discloses a kind of different frequency band matching network compatible tire pressure sensor, it includes: tire pressure sensor chip;Matching circuit, it includes Q1 triode, C14 capacitor and C15 capacitor, the first end of Q1 triode connects the IO2 pin of tire pressure sensor chip, the second end of Q1 triode is grounded, the third end of Q1 triode connects the first end of the C14 capacitor, the second end of the C14 capacitor connects one end of the C15 capacitor, the other end of the C15 capacitor is grounded, the second end of the C14 capacitor connects the RFOUT pin of tire pressure sensor chip.The utility model can solve the problem of solving tire pressure sensor using digital switch to compatible double frequency point, welding is not prone to poor and debugging inconvenient.

The invention provides an active control system and method for a wind and light station, and the system comprises a photovoltaic power station, a wind power station, a first protocol converter, a second protocol converter, a first integrated automatic monitoring terminal, and a second integrated automatic monitoring terminal. The wind power plant is connected with the second integrated automation monitoring terminal through the second protocol converter, the photovoltaic power station and the wind power plant are connected with the AGC / AVC background through the first protocol converter and the second protocol converter respectively, the working principle is simple, complementarity among various resources can be utilized to the maximum extent, efficient consumption of high-proportion renewable energy sources is guaranteed, and the utilization rate of the renewable energy sources is improved. Through a distributed algorithm, various types of energy sources are divided into small processing parts to be processed uniformly, so that the processing efficiency is improved, and the coordination control delay of the comprehensive energy sources is reduced.

The invention relates to a three-way direct current electromagnet with a double coil structure, comprising a main electromagnet, an auxiliary electromagnet, a guide, a connector, a transition plate and a mounting base plate; the main electromagnet and the auxiliary electromagnet are connected via the connector; the two moving iron cores in the main electromagnet and the auxiliary electromagnet are connected head to tail through the guide; the lead wires in the main electromagnet and the auxiliary electromagnet are connected in parallel to a power supply, and the main electromagnet and the auxiliary electromagnet are fixed on the mounting base plate through two transition plates. The invention only has the two moving iron cores of the main electromagnet and the auxiliary electromagnet to perform linear motion, and the elastic motion of the spring, and does not have a secondary control design of the undervoltage or loss of pressure release signal function of the electromagnet auxiliary control circuit. The overall structure has a simple working principle, good stability, and few failure factors. In addition, the entire working process is only affected by the circuit of the mechanism, and does not require human control, thereby ensuring personal safety and having high practicality.

The utility model belongs to the technical field of chucks, and particularly relates to a linkage self-centering pneumatic chuck which comprises a mounting base, a rotating gas ring is arranged on the outer side of the mounting base, a rotating outer ring is arranged at the upper end of the rotating gas ring, and four cylinder bases distributed in an annular array are arranged at the upper end of the mounting base. An air cylinder is arranged on the inner side wall of each air cylinder base, and a swing block is arranged on the inner side wall of each air cylinder base. Through the arrangement of the mounting base, the chuck and mechanical equipment can be fixed, the clamping jaws can be pushed to move under the matched use of the structures such as the air cylinder, the swing block and the clamping jaw mounting base, and then a workpiece is clamped and fixed; the working principle of the chuck is simple, the overall structure is compact, the space is small, the repeated clamping function can be achieved, and the clamping precision of the chuck is stable.

The application provides a mechanical hand clamp changing tool, which comprises a bottom plate, a vertical plate fixedly connected with the bottom plate, a clamp locking device arranged on a first side of the vertical plate and fixedly connected with the bottom plate, a clamp toe changing device arranged on a second side of the vertical plate and fixedly connected with the bottom plate, a clamp changing device fixedly connected on the surface of the second side of the vertical plate, a mechanical hand sleeve fixing seat dismounting device and a clamp positioning device. The scheme has the advantages of simple structure, simple working principle, increased maintenance space for personnel in the maintenance process, reduced radiation dose of workers in the maintenance process, greatly improved work efficiency, realized continuous and stable operation of the mechanical hand in the radioactive environment and ensured stable operation of the main process system.