47results about How to "Achieve placement" patented technology

The invention discloses an intelligent tooling for paving a photovoltaic module and a control method thereof, the method is suitable for a robot end effector, and the method comprises the following steps: collecting three-dimensional space point cloud data of the photovoltaic module to generate pose information of the photovoltaic module, and controlling the end effector to carry out adaptive pose adjustment according to the pose information; the tooling is controlled to press down, and after it is judged that fitting is in place by monitoring the compression stroke of the suction cup, a vacuum adsorption instruction is started; the adsorption state is judged based on vacuum pressure change curve parallel monitoring and a dynamic balance algorithm, and a carrying permission signal is generated after a preset adsorption success condition is met; continuously carrying out anomaly detection in the carrying process, and if an anomaly is found, triggering a fault processing strategy; and releasing the negative pressure to place the photovoltaic module after the target position is reached, and rechecking the placement pose. Intelligent and self-adaptive picking and placing of the photovoltaic module by the tooling are realized, and the reliability, the safety and the automation level in the carrying process are improved.

The embodiment of the invention provides a three-dimensional model placing method, a three-dimensional model printing method and printing equipment. The three-dimensional model placing method comprises the steps that multiple three-dimensional models are obtained; obtaining at least a first interval needing to be kept in the horizontal direction of the model space and at least a second interval needing to be kept in the printing direction of the multiple three-dimensional models; performing first amplification in the horizontal direction based on the first spacing; performing second magnification in the printing direction and the opposite direction of the printing direction based on the second spacing; and determining the placement positions of the plurality of three-dimensional models in the model space based on the collision relationship of the plurality of amplified three-dimensional models. The model is amplified through the spacing parameter, so that placement and collision detection are performed based on the amplified three-dimensional model, arrangement in a three-dimensional space is realized, and the space utilization rate is improved. And independent interval parameters are set in the horizontal direction and the printing direction correspondingly, multi-dimensional differential interval regulation and control are achieved, and therefore the space utilization rate is increased, and interference of the supporting structure is avoided.

The utility model relates to the field of positioning welding devices, and discloses a positioning welding device for water collecting and distributing device production, which comprises a welding table, a pressing rod and a welding gun, the left end of the top of the welding table is fixedly connected with a fixed seat, and the top end of the rear side of the fixed seat is fixedly connected with a motor I; the driving end of the first motor penetrates through the fixing base and is rotationally connected with a first connecting rod, the right end of the first connecting rod is rotationally connected with a movable rod, a first limiting groove is formed in the front side of the movable rod and connected with a second limiting groove through a limiting rod, and the second limiting groove is formed in the top end of the front side of the fixing base. And the bottom end of the front side of the movable rod is fixedly connected with a movable block. According to the valve body feeding device, automatic grabbing and placing of the valve body are achieved, manual intervention is reduced, the feeding efficiency is greatly improved, it is guaranteed that the valve body is accurately conveyed to the welding position at the top of the square pipe, and the production process is smoother. And meanwhile, welding positioning is conducted through all-directional clamping, and it is guaranteed that the square pipe is stable and free of displacement during welding.

The application relates to the technical field of nut production, and a production device for cold upsetting ball screw driving actuator nuts comprises a rack, a feeding mechanism and a rotating mechanism, the rack is used for placing workpieces to be processed, the feeding mechanism is connected to the rack, the feeding mechanism is used for conveying the workpieces to be processed to required processes, and the rotating mechanism is connected to the rack and used for rotating the workpieces to be processed by 60 DEG. The rack can place the workpieces to be processed, the feeding mechanism can convey the workpieces to be processed to required processes, and the rotating mechanism can rotate the workpieces to be processed by 60 DEG, so that the production efficiency and the automation level of the device are improved.

The utility model discloses a cell observation equipment with double camera module, including observation platform, first camera and second camera, and observation platform has a transparent observation area, and the observation area is used for placing the object to be observed, and the first camera is set below the observation area, is used for gathering the image information of observation area, to obtain the position of the object to be observed, and the second camera is set below the observation area, and the second camera is closer to the observation platform than the first camera, and the second camera can move to the just below the object to be observed according to the position of the object to be observed, to utilize the second camera to observe the object to be observed. The utility model discloses technical scheme has improved the alignment efficiency and alignment accuracy.

The application discloses an adjustable balloon system and an adjusting method, which comprise a balloon, a connecting catheter and a filling catheter; the adjustable balloon system further comprises a sealing cover and a facilitator; two ends of the connecting catheter are respectively provided with a connecting end head and a pre-bent end head, one end of the connecting catheter close to the pre-bent end head is connected with the balloon, the pre-bent end head is located in the inner cavity of the balloon, and a self-closing sealing plug is sleeved on one end of the pre-bent end head; the filling catheter and the sealing cover can be movably disassembled with the connecting end head of the connecting catheter; two ends of the filling catheter are respectively connected with a luer joint and a three-way stop valve, and the facilitator is sleeved outside the balloon and the connecting catheter in the compressed state of the balloon. The application can adjust the stable placement of the balloon system and the volume adjustment after implantation according to the self needs of patients, so as to adjust the weight loss effect, realize the quantitative correction of diet, ensure the accurate control of weight loss, meet the different weight loss needs of different user groups and improve the applicability.

The utility model provides a kind of packing bag opening zip device, including rack, driving mechanism, bag suction mechanism and bag opening mechanism, driving mechanism is located in rack, bag suction mechanism includes bag suction linkage assembly and two bag suction components, two bag suction components are located in rack, two bag suction components are connected by bag suction linkage assembly, driving mechanism is connected with bag suction linkage assembly, to drive two bag suction components mutually close or mutually away, bag opening mechanism includes bag supporting component and two clamping components, bag supporting component is located in rack, bag supporting component is connected with two clamping components, to drive two clamping components mutually close or mutually away.The packing bag opening zip device of the utility model, bag opening effect is good, and bag opening efficiency is high.

This utility model discloses a heat preservation device for a drone flight remote controller in cold regions, relating to the field of drone flight technology. The utility model includes a protective cotton cover with a transparent cover installed at the upper center. Insertion components are installed on both sides of one end of the outer wall of the protective cotton cover. When using the flight remote controller in cold regions, the operator can directly place the remote controller into the inner cavity of the protective cotton cover through the insertion slot. By attaching the female Velcro to one side of the female Velcro, the sealing cover blocks the insertion slot. The operator inserts their hand through the inner cavity of the insertion components. An anti-fog sheet is placed in the inner cavity of the mesh bag beforehand. The use of the anti-fog sheet allows the operator to still operate the remote controller through the transparent cover even when the temperature inside the protective cotton cover rises. The protective cotton cover effectively warms the operator's hands while allowing the operator to directly operate the remote controller without affecting operational flexibility.

The utility model relates to a membrane treatment device for industrial wastewater treatment, which relates to the technical field of wastewater treatment and comprises a temperature regulating tank, a neutralizing tank and a treatment pond which are sequentially arranged, a temperature control part for regulating the temperature of wastewater is arranged in the temperature regulating tank, and a regulating component for regulating the pH value of the wastewater is arranged on the neutralizing tank. A membrane assembly for treating wastewater is arranged in the treatment tank, and an adjusting mechanism for adjusting the position of the membrane assembly is arranged on the treatment tank. The temperature of the wastewater is adjusted through the temperature adjusting tank, then the pH value of the wastewater is adjusted through the neutralizing tank, the adjusting mechanism moves the position of the membrane assembly, the adjusted wastewater enters the treatment pond and is purified through the membrane assembly, and the quality and state of the wastewater are adjusted through the temperature and the pH value, so that the treatment efficiency of the membrane assembly is improved; therefore, the membrane treatment efficiency of the industrial wastewater is improved.

The utility model relates to a kind of plug filling nitrogen head structure. Including filling nitrogen head body, inside is formed with the first passageway passing through bottom, respectively with first vacuum air path and nitrogen gas path intercommunication, first vacuum air path is configured to carry out vacuumizing operation to container inside, nitrogen gas path is configured as to fill into nitrogen gas in container;Plug rod, inside is formed with the second passageway passing through bottom, with second vacuum air path intercommunication, second vacuum air path is configured to carry out vacuumizing to plug rod inside, for the sealing assembly of plug rod bottom suction and container mouth sealing of container, the lower end of plug rod and filling nitrogen head body movably connect, upper end and driving mechanism connect, under the driving of driving mechanism, plug rod moves in the first passageway inside filling nitrogen head body, to seal sealing assembly in container mouth, first vacuum air path and nitrogen gas path are integrated in filling nitrogen head body, realize the continuous operation of vacuumizing in container and filling nitrogen;Stable fixed sealing assembly by vacuum adsorption, improve sealing reliability.

The utility model provides a mask plate grabbing and positioning mechanism and exposure equipment. The mask plate grabbing and positioning mechanism comprises a plate fork body and a positioning assembly, the fork body comprises a preset surface; the positioning assembly comprises a positioning part and a driving part, the positioning part is movably arranged on the preset surface, and the driving part is connected with the positioning part to drive the positioning part to move; the number of the positioning assemblies is four, two positioning assemblies are X-direction positioning assemblies, and the other two positioning assemblies are Y-direction positioning assemblies. The two X-direction positioning assemblies are arranged in the X direction, and the moving direction of the positioning parts of the X-direction positioning assemblies is the X direction; the two Y-direction positioning assemblies are arranged in the Y direction, and the moving direction of the positioning parts of the Y-direction positioning assemblies is the Y direction; the Y direction is perpendicular to the X direction, and the connecting line of the two X-direction positioning assemblies intersects with the connecting line of the two Y-direction positioning assemblies. And through cooperation of the four positioning assemblies, grabbing and releasing of the mask can be achieved.

The utility model relates to the technical field of meat product unfreezing, in particular to a quick unfreezing device for meat food processing, which comprises an unfreezing pool, a feeding mechanism and a cleaning mechanism are mounted on the unfreezing pool, the feeding mechanism comprises a mounting rack, the mounting rack is slidably connected in the unfreezing pool, a filter plate is mounted at the bottom of the mounting rack, and the cleaning mechanism is mounted on the filter plate. Air cylinders are mounted on the outer sides of the two ends of the unfreezing pool respectively, output shafts of the two air cylinders are connected with connecting plates respectively, pull rods are vertically connected to the two ends of the top of the mounting frame respectively, and the tops of the two pull rods are connected with the two connecting plates; food is put into the unfreezing pool after being placed through the mounting frame and the filter plate, water splashing is reduced, all the food can be directly fished and lifted after unfreezing is completed, discharging is facilitated, and efficiency is improved.

The application provides a device and method for online automatic detection of grinding piece thickness of a double-end surface grinder, which comprises a proximity switch, a controller, a mechanical hand assembly and a measuring table assembly; the proximity switch is fixed at the end of the discharge port of the double-end surface grinder, and sends a signal to the controller when it detects a workpiece to be measured at the position; the controller controls the mechanical hand assembly to grab the workpiece to be measured and place the workpiece to be measured on a measuring position, and the measuring table assembly detects the thickness of the workpiece to be measured.

The invention discloses a heating equipment temperature accumulated temperature overheating protection mechanism and method, and relates to the technical field of new energy automobiles, the heating equipment temperature accumulated temperature overheating protection mechanism comprises a connecting frame, a transparent frame is arranged on the front side, close to the bottom, of the connecting frame, and a second connecting ring is fixedly connected to the side, close to the connecting frame, of the edge of the outer side of the transparent frame; through mutual cooperation of a U-shaped plate, a hot air balloon, a humidifier, a hollow frame and other structures, when a heater works, air blown out by a fan penetrates through the heater and blows out hot air, the air drives a vertical plate to rotate, the vertical plate drives a fixing disc and a limiting tooth block to rotate through a transverse rod, and the limiting tooth block drives the U-shaped plate to move up and down through a connecting tooth block; the U-shaped plate can drive the hot-air balloon to move, the blowing range can be expanded, and when hot air enters the hot-air balloon, water vapor sprayed by the humidifier enters the hot-air balloon through the hose, so that the dryness of the hot air is neutralized.

This application relates to the technical field of neurosurgery, and in particular to a wearable limb movement care device for neurosurgery. It includes an upper arm storage plate, a forearm storage plate on one side of the upper arm storage plate, and a connecting pad installed on the inner wall of the forearm storage plate. Grooves are formed on the adjacent sides of both the upper arm and forearm storage plates, and connecting rods are installed inside both grooves. A hinge plate is rotatably connected to the outer surface of the right-side connecting rod, and a cylinder is fixedly connected to the outer surface of the hinge plate. This application, through the coordination of the upper arm storage plate, forearm storage plate, and movement care components, allows for proper placement of the arm by the forearm storage plate, facilitating subsequent rehabilitation exercises. The movement of the movement care components enables the patient to exercise their arm, eliminating the need for manual assistance from a therapist, improving treatment efficiency, and avoiding problems such as poor patient compliance and long treatment times.

The invention discloses an anthropomorphic joint system of multi-dimensional magnetic suspension and electromagnetic gradual change force control and telescopic bionic muscle tendons and a control method, and belongs to the technical field of bionic robots, intelligent mechanical joints and electromagnetic control. The technical problems that an existing robot joint is serious in mechanical abrasion, stiff in movement, poor in stability, low in bionic degree, rough in force control effect and the like are solved. The system comprises a multi-dimensional magnetic suspension normal-state stable supporting module, a telescopic bionic muscle tendon module, a multi-unit vector electromagnetic cooperative driving module, an electromagnetic polarity smooth switching and bidirectional driving module and a bionic self-learning gradual change type force control module. Non-contact and wear-free operation of the joints is achieved through multi-dimensional magnetic suspension, anthropomorphic movement is achieved through telescopic bionic muscle tendons, and precise and flexible control is achieved through vector electromagnetism and gradual change force control. The invention has the advantages of zero wear, long service life, multidimensional stability, high humanoid degree, soft force control, simple structure and the like, and is suitable for the fields of humanoid robots, medical rehabilitation robots, intelligent prostheses, humanoid interaction equipment and the like.

This utility model discloses a capping and uncapping gripper, including gripping arms arranged around an axis and a gripping drive assembly for driving all gripping arms to move radially synchronously. A radially inward protrusion is provided on the inner sidewall of the lower end of the gripping arm. The bottom surface of the gripping arm is lower than the bottom surface of the protrusion. The top surface of the protrusion forms a hooking part for hooking the bottom of the tube cap to separate the tube cap from the sample tube, thereby achieving capping. A pressing part is also formed on the protrusion to press the self-sealing cap into the sample tube opening, thereby achieving capping. This allows for simultaneous operations such as gripping and placing sample tubes, opening and discarding sample tube caps, capping of analyzed sample tubes, and handling of centrifuge adapters. This utility model also discloses a capping and uncapping assembly, including a robotic arm and a tube-holding mechanism. The robotic arm is equipped with the aforementioned capping and uncapping gripper, and the tube-holding mechanism includes a tube-holding gripper for gripping the sample tube body. This utility model also discloses a blood sample pretreatment device.

This utility model relates to the field of water quality sampling technology. It discloses an automated water quality sampling device, comprising a water sampler body, a cable reel mechanism, a support ring, and a conical filter assembly. The water sampler body has a water inlet at its bottom and is equipped with conventional water intake mechanisms such as baffles inside. The support ring is detachably installed at the bottom of the water sampler body using fixing bolts. This structural design facilitates disassembly, cleaning, or replacement of filter assemblies of different specifications. By incorporating a sliding conical filter assembly at the bottom of the water sampler body, this utility model effectively intercepts leaves, plastic fragments, and other floating debris on the water surface during submersion and water intake. This design prevents debris from being sucked into the internal cavity, physically eliminating the risk of debris jamming the internal baffle, causing seal failure, and leakage. This significantly improves the accuracy of sampling data and the reliability of equipment operation.

The utility model relates to the technical field of material packaging equipment, in particular to a packaging box packaging device which comprises a base and a feeding structure arranged on the base and further comprises a conveying structure, a box opening structure, a material conveying structure, a packaging structure and a box closing structure which are arranged on the base. The packaging structure comprises a first packaging assembly and a second packaging assembly, the first packaging assembly comprises a first material taking part, the second packaging assembly comprises a second material taking part, and the first material taking part and the second material taking part face the material conveying structure; the box closing structure comprises a box closing guide rail, a box closing pushing piece arranged on the box closing guide rail and a box closing blocking base arranged on the base, and the box closing blocking base is located on one side of the box closing pushing piece. The packaging strip boxes are conveyed to the conveying structure through the feeding structure, after the box opening structure opens the packaging strip boxes, the packaging structure loads the small packaging boxes into the packaging strip boxes, the box closing pushing piece drives the packaging strip boxes to be closed, manual operation is not needed in the whole packaging process, time and labor are saved, and the packaging efficiency is effectively guaranteed.

The utility model discloses a kind of compatible different scene's walking type feeding equipment, including trolley, material lifting assembly and material trolley feeding assembly are arranged on the trolley;The lifting end of the material lifting assembly is provided with a tray, material is vertically stacked on the tray;The feeding trolley assembly includes horizontal moving assembly and the vertical moving assembly placed in the mobile end of horizontal moving assembly, the mobile end of the vertical moving assembly is fixed with a crossbeam, one end of the crossbeam is connected to the mobile end of vertical moving assembly, the other end of the crossbeam is connected with a material taking assembly, the material taking assembly can take material and realize the transfer of material between tray and next process equipment. The present scheme realizes the transfer of material by trolley, and realizes the transfer of material on tray between next process equipment under the cooperation of material taking lifting assembly and material trolley feeding assembly, effectively reduce the labor intensity of worker, and improve loose feeding precision and processing efficiency.

The utility model discloses a round pipe jacking backrest device which comprises an arc-shaped abutting plate, a filling layer is fixedly installed at the position of a middle cavity of the arc-shaped abutting plate, a placing guide assembly is arranged on the filling layer, and two first supporting piles and two second supporting piles are fixedly installed on one side of the filling layer. The device is placed in a working well, the arc-shaped abutting plate abuts against the inner wall of the working well, two hydraulic oil cylinders are hung in and placed downwards through a crane, and in the process that the hydraulic oil cylinders are placed, the hydraulic oil cylinders can be placed above a bearing piece through the placing guide assembly, so that the hydraulic oil cylinders are placed. In the using process of the hydraulic oil cylinder, the rear end of the hydraulic oil cylinder can abut against the interior of the insertion groove through the counter-acting force of the hydraulic oil cylinder, the counter-acting force generated by fixing and abutting of the hydraulic oil cylinder is further transmitted and dispersed to the arc-shaped abutting plate, the force is dispersed to the rear well wall through the arc-shaped abutting plate, the abutting stability is improved, and the device cannot be damaged.

An electronic device appearance inspection jig and an inspection method thereof, a multilayer flip composite structure (1) can be detachably installed on the universal moving platform (2), the multilayer flip composite structure (1) includes at least two layers of flip plates; Each layer of flip plate includes sliding limiting area and placing functional area, the placing functional area is provided with mesh matrix, the mesh edge is chamfered; The mesh of the mesh matrix of the upper layer flip plate covers the non-mesh area of the mesh matrix of the lower layer flip plate; The sliding limiting area is located at the four corner areas of the flip plate; The sliding limiting area is provided with a sliding limiting mechanism; Two layers of flip plates are stacked and installed by cooperating with each other by using the sliding limiting mechanism, the mesh of the mesh matrix of the upper layer flip plate is overlapped with the mesh of the corresponding mesh matrix of the lower layer flip plate by horizontal sliding of the sliding limiting mechanism; The bottom of the universal moving platform (2) is provided with a universal pulley (23). The application can inspect the appearance of multiple diodes at a time.

The utility model relates to frame detection technical field, concretely is a kind of carbon fiber bicycle frame compression resistance detection platform, including table body, the surface of table body is provided with placing plate, and the upper surface of table body is fixedly connected with support frame, and the lower surface of support frame is fixedly installed with telescopic cylinder. The utility model can realize that first moving block drives connecting block and first limit plate to move by the rotation of positive and negative screw rod, and then it is convenient to limit the left and right sides of frame by first limit plate, the rotation of first threaded rod can realize that second moving block drives second limit plate to move, it is convenient to limit frame front and back by second limit plate, and then the stability of frame can be guaranteed by the cooperation of first limit plate and second limit plate, the constraint to frame can be realized, so as to prevent frame from deviating due to compression, and it is favorable to guarantee the quality and accuracy of frame detection.

This application discloses a tire gripping and moving mechanism, relating to the field of tire conveying technology. It includes: a transverse rail frame; a lifting base frame slidably mounted on the transverse rail frame; a gripping frame slidably mounted on the lifting base frame; and a clamping assembly for gripping tires mounted on the gripping frame. The clamping assembly includes a clamping base plate hinged to the gripping frame. The clamping base plate is oscillating and driven by a fourth power unit mounted on the gripping frame. A plurality of expanding plates are distributed circumferentially on the clamping base plate. These expanding plates are radially moved and mounted on the clamping base plate by a fifth power unit mounted on the clamping base plate. This solves the problems of traditional tire conveying, improves conveying efficiency, reduces labor intensity and labor costs, and enhances personnel safety.

This utility model discloses an automatic quail egg boxing machine, belonging to the field of quail egg boxing. It includes a first fixed frame, with a first conveyor belt fixedly installed on the inner side of the first fixed frame. A loading component is engaged with the surface of the first conveyor belt. A second fixed frame is fixedly installed on the top of the first fixed frame, with a second conveyor belt fixedly installed on the inner side of the second fixed frame. A guide mechanism is fixedly installed on the top of the second fixed frame. This automatic quail egg boxing machine, by setting up a transmission component, a sealing component, and a transfer component, uses a first electric push rod to drive a clamping plate to engage with a slot, achieving the purpose of clamping the loading box. The sealing machine automatically seals the top of the loading box, saving time and labor. A transfer cart is used to transfer the loading box after loading the quail eggs, achieving automatic boxing and synchronous transfer, ensuring efficiency and effectiveness.

This utility model relates to a discharge component of a hot chamber die casting machine, belonging to the field of die casting processing technology. The discharge component of a hot chamber die casting machine includes a housing. A blanking plate is fixedly connected to the rear end of the housing, and a baffle is slidably connected to the rear end of the housing. Filter screens are fixedly connected to the lower positions of the front and rear ends of the housing. Arc-shaped grooves are respectively opened on both sides of the housing. A second servo motor is fixedly connected to the bottom end of the inner wall of the housing, and fan blades are fixedly connected to the output ends of the two second servo motors. A receiving mechanism is provided on the inner wall of the housing. A moving device is provided on the rear side of the top end of the housing, and a clamping device is slidably provided on the top end of the moving device. By setting the moving device, the clamping device can be rotated 90 degrees, thereby realizing the placement of workpieces into the housing, effectively achieving the clamping and placement of workpieces. The clamping device enables the clamping of workpieces.

An inflating valve blank cutting device comprises a detecting part, a cutting part and a collecting device. The detection part comprises a first air cylinder, a detection material channel and a laser measurer, and the first air cylinder is arranged at one end of the detection material channel and used for pushing an inflating valve blank to move along the material channel; strip-shaped holes penetrating through the side walls are formed in the two side walls of the detection material channel respectively, the strip-shaped holes are symmetrical to each other, and laser emitted by the laser measurer penetrates through at least one strip-shaped hole; the cutting part comprises a cutting motor, a cutting blade, a pressing lever and a pressing seat; the cutting blade is arranged on the cutting motor, the pressing seat is arranged in front of the cutting blade, and the pressing lever is matched with the pressing seat to achieve pressing. The collecting device comprises a collecting bin and a waste collector, and the collecting bin is arranged at the other end of the detection material channel and used for collecting unqualified inflating valve blank materials; the waste collector is arranged below the cutting blade and is divided into an upper layer collector and a lower layer collector, the upper layer collector is used for collecting blocky chippings, and the lower layer collector is used for collecting metal powder.

A support device of a shelf and a refrigerator having the same, the support device of the shelf comprising a mounting base and first and second support members provided on the mounting base, the support device further comprising a transmission member cooperating with the mounting base, a first limiting structure enabling the first support member to be linked with the transmission member, and a second limiting structure enabling the second support member to be linked with the transmission member, wherein when the first support member moves toward the transmission member, the transmission member is linked to be disengaged from the second support member to allow the second support member to move away from the transmission member, and wherein by driving the first support member to move toward the transmission member, the transmission member is linked to be disengaged from the second support member, thereby enabling the shelf to be placed on the second support member and the first support member to be accommodated, and avoiding the idle support member from wasting the storage space of the refrigerator.

The utility model provides a kind of boring machine special for pin hole processing, belong to large engineering machinery manufacturing and maintenance field, it includes base, the bottom of base is equipped with the arc groove that can be matched with portal frame flange, the upper portion of base is fixed with bed and jacking mechanism, the inside vertical mounting of bed has ball screw, the top of bed is fixedly installed with stepper motor, the output end of stepper motor is fixedly connected with the upper end of ball screw, ball screw is connected with the power mechanism for boring by nut;The jacking mechanism is provided with two, and respectively located the left and right sides of bed, each jacking mechanism includes jacking cylinder and gyro wheel, when the piston rod of jacking cylinder extends, can push gyro wheel and the plane contact of portal frame flange, and lift base from the plane of portal frame flange, the utility model solves the technical problem of the prior art in moving boring machine processing portal frame pin hole when occupying a lot of time, influence production period and increase production cost.

This utility model discloses a proper limb positioning pad, comprising: a support plate, the support plate including a plate body, the outer side of which is covered with a protective sleeve; a hand restraint component, which is disposed at the upper end of the support plate for fixing the patient's hand; an arm restraint component, which is also disposed at the upper end of the support plate for fixing the patient's arm; the hand restraint component includes a connecting cloth piece, the upper end of which is fixedly connected to five finger restraint straps, and the lower end of which is detachably connected to the support plate via a first connector; the arm restraint component includes a strap, one end of which is fixedly connected to one side of the support plate. This utility model provides a proper limb positioning pad, which, through the structural design of the support plate, hand restraint component, and arm restraint component, enables the device to achieve proper limb positioning for the patient, thereby avoiding the need for multiple pillows that could affect the patient's rehabilitation treatment effect. Its overall structure is relatively simple, easy to use, ensures treatment effectiveness, and reduces the workload of medical staff.