184results about How to "Improve contact stability" patented technology

The invention relates to a switch assembly and a temple switch, and relates to the technical field of vehicle accessories. The switch assembly includes: a housing; the action reed is movably connected in the shell; the pin comprises an inserting part used for being connected with an external circuit and an abutting part used for being connected with the action reed, and the inserting part is inserted into the shell and extends out of the shell; the linkage rod extends to the outer side of the shell and is movably connected with the shell, and the linkage rod drives the action reed to move under the action of external driving force, so that the action reed is propped against or separated from the propping part of each pin to realize connection or disconnection between the pins; the reset piece is located in the shell, and the reset piece forces the action reed to slide in one direction, so that the action reed always has the trend of moving towards the abutting part or moving away from the abutting part. The circuit has the effects of good contact stability and high switching precision.

The utility model discloses a liquid chromatography column packing machine which comprises a base, a driving assembly, a shell, a bidirectional motor, a transmission shaft, a first bevel gear, a second bevel gear, a winding shaft, a buckling device, a cable, a supporting shell, a clamping assembly, a fixing plate and first clamping plates. The inner wall of the second clamping plate is fixedly connected with one end of a cable; according to the scheme, compared with a traditional mode that the clamping plates are fixed through springs and elastic pieces, the cable is higher in stability compared with the springs and the elastic pieces, the fixed plate, the first clamping plate and the second clamping plate cannot deform too much in the shaking process of the chromatographic column, and due to the fact that the fixed plate, the first clamping plate and the second clamping plate are pulled through the cable, in the filling process of the chromatographic column, the clamping plates are not prone to deformation. The contact stability with the fixed plate, the first clamping plate and the second clamping plate is higher, so that the chromatographic column is not easy to shake, and the working efficiency in the chromatographic column filling process can be greatly improved as the stability of the chromatographic column is improved.

The invention relates to the technical field of photovoltaic modules, and discloses an EL detection structure for series welding production of photovoltaic cells. A pressing head; the contact layer covers one side, close to the pressure head, of the electrode block, and the contact layer is made of a flexible conductive material; the welding strip is arranged on the contact layer, and the section of the welding strip is circular; the pressing head moves in the direction close to the electrode block, and the welding strip is pressed between the pressing head and the electrode block; the contact layer is extruded, the part, in contact with the welding strip, of the contact layer deforms, and the contact layer wraps part of the peripheral surface of the welding strip; according to the EL detection structure for series welding production of the photovoltaic cells, the contact layer made of the flexible conductive material is arranged between the electrode block and the pressure head, and when the pressure head presses the welding strip, the contact layer can deform and wrap a part of the peripheral surface of the welding strip, so that the contact area and the contact tightness of the welding strip and the electrode block are greatly increased, and the detection efficiency is improved. And the contact layer is simple and convenient to arrange, and can be widely applied to series welding production of various photovoltaic cells.

The automatic grinding device comprises a base, a clamping mechanism is arranged on the base, the clamping mechanism comprises a contraction mechanism, a double-shaft motor, an inner sleeve, a driving wheel, a follower wheel, a rotating sleeve, a follower spring and a fixing bolt, the contraction mechanism is connected to the base and the extending end of the double-shaft motor in a matched mode, and the inner sleeve is arranged on the inner sleeve. The inner sleeve is fixedly installed on the outer wall of the double-shaft motor, the clamping mechanism is composed of the double-shaft motor, the inner sleeve, driving wheels, follower wheels, a rotating sleeve, a follower spring, a fixing bolt and the like, the inner sleeve is fixed to the outer wall of the double-shaft motor to provide support for the whole, and the driving wheels are installed at the two ends of the inner sleeve to form power transmission; the follow-up springs are evenly distributed between the side wall of the inner sleeve and the inner wall of the rotating sleeve to provide elastic support, the follow-up wheel and the driving wheel form flexible meshing transmission, an embedded groove in the rotating sleeve is matched with a fixing bolt to achieve force adjustment, and multi-stage clamping force is provided through the combined design of the reinforcing sleeve, the inner ring and the outer ring.

The utility model relates to a multi-specification power supply changeover plug, which comprises a plug main body and a changeover plug connector, the plug main body comprises a first shell and a circuit structure arranged in an inner cavity of the first shell, a groove is formed in one side of the first shell, and a conductive column of the circuit structure penetrates through the first shell and extends into the groove; the conversion plug connector comprises a second shell matched with the groove, a conductive hole column arranged in an inner cavity of the second shell and a plug pin, one end of the plug pin is fixedly connected with the conductive hole column, the other end of the plug pin is arranged outside the second shell, and the conductive hole column is matched with the conductive column; when the second shell is installed in the groove, the conductive column penetrates through the second shell and is electrically connected with the conductive hole column. Conversion plug connectors of different specifications can be replaced, and the requirements of users for multi-region travel are met. Through the cooperation of the conductive hole columns and the conductive columns, the contact stability when the conversion plug connector is installed on the plug main body is improved, so that the electric energy transmission stability between the conversion plug connector and the circuit structure of the plug main body is improved.

The invention provides a silicon-based negative electrode material with a cage-shaped structure, a preparation method of the silicon-based negative electrode material, a solid-state battery and electric equipment, and relates to the field of batteries. The silicon-based negative electrode material with the cage-shaped structure comprises an inner core, a polymer coating layer and a carbon coating layer, the polymer coating layer coats the inner core, and the carbon coating layer coats the polymer coating layer; the core comprises silicon particles, the polymer coating layer comprises a polymer, the polymer comprises one or more repetitive units, the repetitive units comprise siloxane units, and the repetitive units are crosslinked to form a cage-shaped structure. According to the silicon-based negative electrode material with the cage-shaped structure provided by the invention, by constructing the cage-shaped structure coating the surfaces of the silicon particles, structural damage caused by silicon volume change can be effectively inhibited, the contact stability between an electrode and a solid electrolyte is enhanced, and the interface impedance is reduced, so that the cycle performance and the energy density of a solid-state battery are remarkably improved.

The invention relates to the technical field of semiconductor testing, in particular to a high-stability semiconductor testing device which comprises a base and a cover plate, a downward pressing mechanism is arranged on the cover plate and comprises a downward pressing block, downward pressing assemblies are arranged on the two sides of a limiting groove, and clamping assemblies are arranged on the sides of the two downward pressing assemblies. Through the arrangement of the pressing mechanism and the pressing assembly, the pressing block not only acts on the middle of the top of the semiconductor chip, but also applies pressure to the two sides of the top of the semiconductor chip through the pressing assembly during pressing, so that each part of the semiconductor chip is uniformly stressed, and the damage of the semiconductor chip caused by local stress concentration is avoided; the pressing assembly drives the clamping assembly to clamp the two sides of the semiconductor chip, the semiconductor chip is stably positioned, the safety and the contact stability are improved, the device is particularly suitable for a high-precision test environment, and bad contact or damage to the semiconductor chip caused by uneven stress is effectively reduced.

The utility model relates to the technical field of testing devices, in particular to an electrical connection plug connector testing device, which comprises a base and a testing mechanism, a control screen is arranged on the side wall of the base, the testing mechanism is positioned above the base, a push rod is fixed at the front end of a sliding plate, a connector is arranged at the rear end of the sliding plate, and a detection disc is mounted at one end, close to the connector, of a partition plate. A clamping assembly used for clamping and limiting the connector is arranged at the connector, and a cleaning assembly used for cleaning dust and other scraps remaining on the detection disc is arranged above the detection disc. The beneficial effects are that after testing is completed, the cleaning assembly is utilized to carry out all-around cleaning on impurities such as scraps on the surface of the detection disc, the cleanliness of the surface of the detection disc is guaranteed, the contact stability between the detection disc and the connector is further improved, the phenomena such as poor contact are avoided, the service life of the detection disc is prolonged, and the detection efficiency is improved. And the accuracy of connector performance test data is ensured.

This invention discloses a welding clamping mechanism for metal parts of an elevator car, belonging to the field of elevator car metal part welding technology. It comprises a clamping mechanism one and a clamping mechanism two assembled on the outer surface side of the clamping mechanism one, with a welding robot arm mounted on the rear side of the outer surface of the clamping mechanism one. It includes a support frame installed at the middle of the upper surface of the clamping mechanism one, with a base plate connected to the upper surface of the support frame. This elevator car metal part welding clamping mechanism, with clamping mechanism one and clamping mechanism two assembled sequentially, facilitates alternating welding, saving material loading time. Side clamps, positioning components one and two limit and compress side rods one and two, improving the stability of the base plate during welding and preventing displacement. In conjunction with a heat-absorbing mechanism on the support frame, it performs heat absorption and cooling treatment based on the weld point position of the base plate, and works synchronously with a gas cooling system that can be linked.

The present invention discloses an electrically connected spring piece, a connector and an electronic device, wherein the electrically connected spring piece comprises a welding part, wherein the two ends of the welding part along the first direction respectively extend a first elastic part and a second elastic part vertically upward, wherein the two ends of the welding part along the second direction respectively extend a first protection part and a second protection part vertically upward, wherein the first elastic part extends a first clamping part away from the end of the welding part, wherein the first clamping part extends a first clamping hook, wherein the second elastic part extends a second clamping part away from the end of the welding part, wherein the second clamping part is connected to the contact part, wherein the second clamping part extends a second clamping hook, wherein the first clamping part, the second clamping part, the first clamping hook and the second clamping hook form a bite structure to support the contact part; when the contact part is under pressure, the contact part moves back and forth in the receiving space along the height direction of the contact part together with the first elastic part and the second elastic part. The present invention can reduce the occupied board area, improve the contact stability and reduce the cost.

The utility model provides an edge pressing device for geotechnical cloth processing, and belongs to the field of edge pressing devices. The edge pressing device solves the quality problems that most of existing edge pressing equipment is single in design and difficult to flexibly meet the processing requirements of geotechnical cloth with different thicknesses, and part of edge pressing devices do not sufficiently pretreat the edges of the geotechnical cloth in the edge pressing process, so that the geotechnical cloth is in unstable contact with edge pressing components, and edge pressing is not firm, wrinkles are likely to occur. The edge pressing device for geotextile processing is characterized by comprising an edge pressing device body, and a driving motor is arranged at the upper end of the edge pressing device body. The device has the advantages that the height of the oblique adjustable material pressing inner plate can be flexibly adjusted through the cooperation of the insertion transverse shaft rod and the limiting inner hole, a guide space adaptive to geotechnical cloth bodies with different thicknesses is constructed, the device can meet diversified machining requirements, and the application range of the device is expanded.

The invention discloses a battery diaphragm which comprises a base membrane and a coating located on at least one surface of the base membrane, the coating comprises the following raw materials in parts by weight: 100 parts of oxide electrolyte; 1 to 10 parts of polymer electrolyte; 1 to 10 parts of amino-terminated polyoxyethylene; 1-5 parts of a coupling agent; 5 to 15 parts of other auxiliary agents; and 100 to 400 parts of water. The battery diaphragm can effectively improve the ionic conductivity and the cycle performance of the lithium metal battery.

The utility model discloses an electromagnetic relay, which comprises a base, a pushing card, and a magnetic circuit part, a movable spring part and a static spring part which are arranged on the base, an armature of the magnetic circuit part is connected with the movable spring part through the pushing card, the pushing card is provided with a first clamping groove and a second clamping groove, one end of the armature penetrates through the first clamping groove, and the other end of the armature penetrates through the second clamping groove. The second clamping groove is matched with the movable spring part; the armature and / or the pushing card are / is provided with a limiting structure so as to limit one end of the armature to be separated from the first clamping groove. According to the utility model, the connection reliability and the contact reliability of the armature and the pushing card are greatly improved, so that the stability of the over-travel of the relay contact is improved.

The utility model relates to a switching structure, a photovoltaic support and a photovoltaic system. The switching structure is used for connecting the photovoltaic frame and the supporting structure and comprises a first locking piece and a second locking piece. The first locking piece is provided with a clamping groove, and the clamping groove is used for being connected with the photovoltaic frame in a clamping mode. The second locking piece is detachably connected to the first locking piece, and a locking space is formed between the second locking piece and the first locking piece to clamp the supporting structure. The groove wall face of the clamping groove can abut against the photovoltaic frame, so that movement of the photovoltaic frame in the clamping direction is limited, and the situation that the photovoltaic frame is disengaged from the switching structure due to the fact that the photovoltaic frame is subjected to uneven wind loads can be effectively reduced. The photovoltaic frame and the first locking piece are in hoop type surface contact, a larger contact area is provided, pressure can be better dispersed and borne, local stress concentration is reduced, local abrasion and tearing are reduced, higher contact stability can be provided, external acting force can be better borne, and vibration can be better resisted; therefore, the tearing failure of the photovoltaic frame can be reduced.

The invention discloses an electric power measurement analysis device based on big data, which comprises an intelligent electric power meter and a wire holder used for connecting a mains supply and a household circuit, the wire holder is installed on the intelligent electric power meter, and the wire holder is connected with wire connectors used for connecting a plurality of external circuits. A plurality of wiring jacks are formed in the outer end of the wire holder at equal intervals, a conductive column is arranged at one end of the connector lug, and an electricity stealing prevention mechanism used for preventing electricity stealing is arranged in the wire holder; the electricity stealing prevention mechanism comprises a conductive cavity arranged at the inner end of each wiring jack, a rectangular positioning sleeve is arranged on the outer wall of the conductive column, a two-dimensional code is arranged on one surface of the positioning sleeve, and a mounting cavity is formed in the wiring seat; according to the invention, through the arrangement of the anti-theft electricity mechanism, a good anti-theft effect can be achieved, the situation that an electricity stealer privately connects wires and steals electricity can be avoided, the situation that the electricity stealer inserts a privately connected connector lug into the wiring jack of the wire holder is prevented, the safety of electricity connection is ensured, and the situation that electricity is stolen is prevented.

According to the relay, when a first contact part and a second contact part are separated from each other or make contact with each other to generate an electric arc, a magnetic field formed by a first permanent magnet can play a traction role on the electric arc, and the arc blowing and arc discharging effects are achieved. The electric arc moves along the contact surface, and when the electric arc moves to the arc isolating groove, the arc isolating groove can play a role in isolating, lengthening and blocking the electric arc, so that the arcing time is shortened. Therefore, the defects that the electric arc ablates the inner cavity and causes relay explosion and the like can be effectively avoided, the product performance can still be ensured even under the condition of high load, and the product failure probability can be reduced. And meanwhile, the first contact part is synchronously contacted with the at least two sheet units, and the first contact part and the second contact part have at least two contact points, so that the shunting effect is achieved, the contact resistance can be reduced, the contact stability and reliability can be improved, and the temperature rise can be reduced.

The utility model discloses an explosion-proof type quick-plug sunflower patch board connecting mechanism, which relates to the technical field of electric actuators, and comprises an electric actuator shell, a junction box and a junction device, the electric actuator shell is used for placing an electric actuator, the junction box is positioned at the upper end part of the electric actuator shell, and the junction box is positioned at the lower end part of the electric actuator shell. The wiring device is vertically arranged and located in the junction box, the wiring device comprises a plurality of terminal pieces and a connecting piece, the plurality of terminal pieces are arranged in parallel and are fixedly connected in the connecting piece, the terminal pieces are used for connecting cables, the connecting piece is located in the junction box, and the lower end part of the connecting piece is encapsulated by epoxy resin; the junction box is provided with a plurality of pressure relief openings in the transverse direction, buffer parts are arranged in the pressure relief openings, the buffer parts block the pressure relief openings in the non-working state, and when the electric actuator expands thermally, the buffer parts move in the direction away from the junction box and make the air pressure in a shell of the electric actuator reduced. The effect of improving the working stability of the electric actuator is achieved.

The utility model provides a steel structure bridge body exempts from welding lamp installation support, include: clamping base, lamp installation arm and locking assembly, lamp installation arm and locking assembly are installed respectively in both ends of clamping base, lamp installation arm is used to install the lamp, locking assembly is used for with clamping base detachable fixed on bridge body steel structure, the utility model provides a steel structure bridge body exempts from welding lamp installation support, exempts from welding, detachable installation of lamp through locking structure realizes, and installation is convenient and efficient, can adjust lamp installation position and irradiation angle flexibly, and have good antiskid, anticorrosive performance and cable protection measure, effectively adapt bridge working condition, ensure lamp installation solid and reliable, prolong the life, reduce maintenance cost, the convenience, flexibility and reliability of lamp installation have been improved comprehensively.

The utility model discloses a kind of magic tape connecting structure's magnetic attraction foldable door curtain with, involve foldable door curtain field, including a kind of magic tape connecting structure's magnetic attraction foldable door curtain, including slide rail, the bottom of the slide rail is provided with door curtain one, door curtain two, the middle part of the door curtain one, door curtain two is evenly provided with crease, the both sides of the door curtain one, door curtain two are fixedly installed with magnetic stripe, the top of the door curtain one, door curtain two is provided with iron plate;The utility model is by being provided with pulley in the both sides of moving frame, and the total number of pulley is four, compared with the design of traditional moving frame, only equipped with two pulleys, when this four-pulley configuration moving frame slides inside slide rail, can be through multiple fulcrums evenly dispersed the weight of moving frame itself and load, effectively reduce the inclination or jam problem caused by one side excessive stress, simultaneously increase the contact stability of moving frame and slide rail, so that door curtain is more stable, smooth in sliding process.

The utility model discloses a fisheye needle applied to a welding-free terminal, which comprises a functional area, and the fisheye needle is sequentially divided into a terminal strength area, a retention area, a transition area, an insertion area and a pre-insertion area by the functional area along the insertion direction of the fisheye needle; the surface of the fisheye needle is concaved to form the inner concave pits, the inner concave pits span the transition area and the insertion area, the two inner concave pits extend in opposite directions, and a central rib sheet is formed between the bottom surfaces of the two inner concave pits; the width of the fisheye needle is gradually reduced from the transition area to the retention area; the width of the fisheye needle is gradually reduced from the insertion area to the pre-insertion area; and the width of the central rib sheet is gradually reduced from the center to the two ends. According to the fisheye needle, the design that the two oppositely-sunken inner pits are separated by the central rib sheet is adopted, so that the fisheye needle has both hardness and elasticity.

The invention belongs to the technical field of hardware machining, and particularly relates to a production process of a hardware elastic sheet with stable contact performance. The production technology of the hardware elastic piece with the stable contact performance comprises the following steps that S1, raw materials are subjected to casting forming, and an initial sample is obtained; and S2, sequentially carrying out heat treatment and surface treatment on the initial sample, carrying out precision detection, and obtaining a qualified product. The corrosion resistance and the contact performance of the hardware elastic piece are improved through the measures of optimizing material selection, strengthening surface treatment and the like, and after millions of mechanical cycle tests, the hardware elastic piece can still keep excellent contact performance and stable electrical characteristics, so that the reliability of a product is remarkably improved, and the service life of the product is remarkably prolonged.

The utility model discloses a plum blossom contact and vacuum circuit breaker, including a plurality of installation on the support ring aluminum contact patch, each aluminum contact patch two two combinations form a pair of contact patch group, and each contact patch group presents ring shape and evenly arranged on the support ring, and there is no vacancy between the inside end of adjacent contact patch group. The plum blossom contact of the utility model can evenly and closely arrange each contact patch group, so that there is no obvious vacancy between the adjacent contact patch groups, the contact part of the plum blossom contact is formed into a whole circle type contact structure by each aluminum contact patch, thereby effectively improving the contact stability of the plum blossom contact, greatly reducing the probability of contact failure of the plum blossom contact, and the aluminum contact patch of aluminum material can effectively reduce the material cost compared with copper material, avoid material resource waste, and achieve the effect of cost reduction.

This utility model belongs to the field of contact sheet technology, and particularly relates to a contact sheet for a switch socket, including a fixing part, with a first extension part on both the left and right sides of the fixing part. The side of the first extension part is provided with a trapezoidal groove, one end of which abuts against the fixing part, and the other end of which is connected to a trapezoidal protrusion. A second extension part extends from the other side of the first extension part, and a first angle is formed between the first extension part and the second extension part, with the first angle ranging from 80° to 82°. A trapezoidal groove and a trapezoidal protrusion are mirror-image provided on one side of the second extension part. A support part is provided at the bottom of the fixing part, and a second angle is formed between the support part and the fixing part, with the second angle ranging from 95° to 97°. A contact part extends horizontally from the end of the support part in a direction parallel to the fixing part. A silver dot is provided at each of the left and right ends of the contact part, and the silver dot is fixed to the surface of the contact part by riveting.

This invention relates to a multi-contact high-current connection terminal and connector. The multi-contact high-current connection terminal of this invention includes: an inner terminal and an outer shell, the outer shell being fitted over the inner terminal; the inner terminal has a first base and a first spring contact connected to the first base, the first spring contact having a first contact that connects to a mating component; the outer shell includes a second base, a second spring contact, and a third spring contact; one end of the second spring contact is connected to the second base, and the other end is bent inwards towards the second base and has a second contact that connects to the mating component; the third spring contact is connected to the side wall of the second base and bent inwards towards the second base, abutting against the first spring contact. The multi-contact high-current connection terminal of this invention, by setting a double-layer multi-contact structure, can carry a larger current while the third spring contact elastically supports the first spring contact, forming a double-spring contact arm, thereby increasing the positive force of the connection terminal and improving its current-carrying capacity.

The invention discloses a covered stent for pancreatic-intestinal anastomosis and a manufacturing method of the covered stent. The covered stent comprises a self-expanding stent body which is columnar after being expanded, one end of the self-expanding stent body is a stent pancreas end, a stent jejunum end which protrudes outwards after being expanded is arranged at the position, close to the end, of the other end of the self-expanding stent body, and a membranous material layer for preventing pancreatic juice from leaking is arranged on the surface of the self-expanding stent body; the side, close to the pancreatic end of the stent, of the self-expansion stent body is provided with an annular piece. By adopting the covered stent, the contact stability of the self-expansion stent body and the inner wall of the pancreatic duct can be improved, the use stability of the covered stent is improved, and the pancreatic fistula risk is reduced.

This utility model discloses a novel chip testing probe, comprising two needles (21), a needle tube (22), and a spring (26). The needle tube (22) has connecting tubes (23) at both ends. The inner diameter of the connecting tubes (23) is equal to that of the needle tube (22), and the outer diameter of the connecting tubes (23) is smaller than that of the needle tube (22). The two needles (21) are respectively installed inside the two connecting tubes (23). The spring (26) is installed inside the needle tube (22) and located between the two needles (21). A limiting member (25) is provided at the outer end of each needle (21), and the outer diameter of the limiting member (25) is larger than the inner diameter of the connecting tube (23). Multiple riveting points (24) are provided at the end of the connecting tube (23) near the needle tube (22). This utility model facilitates needle assembly and prevents deformation of the needle tube and needles.

The invention discloses a crimping machine capable of butt joint correction for new energy high-voltage line processing, and relates to the technical field of high-voltage line crimping, the crimping machine comprises a crimping machine main body, a hydraulic cylinder is mounted in the crimping machine main body, a crimping table is mounted at the lower end of the hydraulic cylinder, and example high-voltage line main bodies are symmetrically mounted above the crimping machine main body. Compared with the prior art, time is saved, working efficiency is improved, it can be ensured that multiple example high-voltage wire bodies keep consistent positions and speeds during crimping processing through synchronous movement, so that consistency and accuracy of crimping processing are ensured, meanwhile, multiple example high-voltage wire bodies are placed at a time and made to move synchronously, the occupied space of equipment can be reduced, and the equipment cost is reduced. The compactness and the efficiency of the production line are improved, and the number of operators can be reduced by adopting a mode of placing a plurality of high-voltage wires at one time for the operators, so that the labor cost is saved.

The utility model provides a double-contact magnetic latching relay, and belongs to the technical field of relays. Aiming at the problem of poor reliability of single-contact contact of a movable reed in the prior art, the elastic part of the movable reed is divided into a plurality of mutually independent branches, each branch is provided with a movable contact, and the contact mode is adjusted from a single contact to a multi-contact mode, so that the contact opportunity of the contacts is increased, the contact reliability is improved, and the service life of the movable reed is prolonged. The heating phenomenon under large current can be effectively controlled; the push rod comprises a first push surface and a second push surface, and the distances between the first push surface and the plane where the elastic parts are located and the distances between the second push surface and the plane where the elastic parts are located are unequal, so that the actuation time of the two elastic parts under the action of the push rod is not synchronous and has a sequence, and the movable contact which is firstly actuated to be disconnected does not cause ablation. The moving contact which is disconnected after actuation is used as a sacrifice piece and is ablated, so that the contact stability of the moving contact which is disconnected firstly can be effectively improved, and the purpose of stabilizing the contact resistance is achieved.

The invention discloses a GIS spider crane with variable supporting legs, and relates to the field of cranes, the GIS spider crane comprises a main vehicle body and a suspension arm, the outer side wall of the main vehicle body is provided with a plurality of rotating seats, one end of each rotating seat is connected with a supporting arm mechanism, and the supporting arm mechanism comprises a first supporting arm and a second supporting arm; the first supporting arm and the second supporting arm are rotationally connected through a rotating base, and the second supporting arm comprises a positioning base and a positioning supporting arm. The supporting arm mechanism is unfolded to support the main vehicle body, the second supporting arm is composed of the two positioning supporting arms, the positioning supporting arms can be unfolded, single-arm supporting in the prior art is converted into multi-arm multi-point supporting, a stable triangular supporting shape is formed, and when the second supporting arm is not unfolded, the positioning supporting arms can be unfolded to support the main vehicle body. The base plate on the base can increase the contact area of the base and the ground, the contact stability of the supporting arm mechanism and the ground is further improved, and the supporting arm mechanism can be better supported on the ground with different hardness.

The present application relates to probe card pressure test technical field, especially probe card pressure distribution intelligent regulation and control method and system. The contact state type is obtained by feature extraction and pattern recognition of pressure time domain waveform, the independent physical field contribution component is obtained by decoupling based on coupling relationship of multi-modal data of pressure field temperature field mechanical field, the differentiated compensation strategy is generated combined with the contact state and the contribution component, and the multi-field compensation time sequence is cooperatively arranged, the probe card is divided into sub-regions to configure the regulation and control unit for local compensation, and the cross-region cooperative compensation is performed when insufficient, the pressure response characteristics are monitored to identify the fault probe, and the redundant probe is selected for load redistribution. The present application realizes the intelligent balanced regulation and control of the probe card pressure, and improves the test uniformity and reliability.