345 results about "Conductive rubber" patented technology

A lower plunger of a pogo pin according to the present disclosure includes a metal pin and an electro-conductive rubber, and the electro-conductive rubber having a configuration in which a plurality of electro-conductive particles are contained in an elastic insulating material is attached to a lower end of the metal pin to increase a contact area between the lower plunger and a pad of a test board through a surface contact, thereby preventing the occurrence of inductive spikes and thus improving signal quality in a high-speed signal transmission environment.

The utility model provides an automobile static electricity conducting rubber ground dragging belt which comprises a rubber belt body and a connecting buckle, the rubber belt body comprises a first belt body and a second belt body, the lower end of the first belt body is provided with a first connecting part, the upper end of the second belt body is provided with a second connecting part, and the lower end of the second belt body is used for making contact with the ground. The upper part of the first belt body upwards penetrates through the connecting buckle and is downwards bent back to form a back bending part, the back bending part is connected with the connecting buckle, and the connecting buckle is connected with an elastic pressing sheet used for pressing and fixing the first belt body. According to the static conductive rubber mopping belt for the automobile, when the mopping length of the rubber belt body needs to be adjusted, the length of the rubber belt body can be adjusted only by loosening the elastic pressing piece and pulling the first belt body downwards, and the contact state of the second belt body and the ground is guaranteed; and when the rubber belt body is seriously abraded and needs to be replaced, only the second belt body needs to be replaced, so that the waste of resources is avoided, and the use cost is effectively saved.

A power transmission belt having a conductive rubber mixture, which has a resistivity of less than 6.0 MΩ, wherein the conductive composition includes a base rubber, 25 to 250 phr of non-conductive carbon black as a filler and up to 5 phr of graphene as a conductive filler. The incorporation of a combination of a non-conductive carbon black filler and graphene into the rubber mixture allows for the replacement of conductive carbon black, which is conventionally used to procure conductive properties to rubber, but which has the disadvantage that it is comparatively expensive, especially in the quantities needed to confer conductive properties to the rubber mixture.

The long-acting conductive box type sealing ring comprises an outer framework, an inner framework and conductive rubber, the conductive rubber is installed on the outer side face of the outer framework, and the upper side face of the outer framework is used for being in interference fit with a tooth opening of a bearing outer ring; the conductive rubber comprises a main lip, the main lip comprises a lip waist part and a lip tip part, the lip waist part is wider than the lip tip part, the section of the main lip is conical, the lip tip part abuts against the upper side face of the inner framework, and the lower side face of the inner framework is used for being in interference fit with an inner ring of the bearing. According to the long-acting conductive box type sealing ring provided by the utility model, the box type sealing ring has a long-acting conductive function, and electric corrosion in a bearing is effectively avoided.

The invention provides multi-structure-layer flaky silver-coated aluminum powder, a preparation method of the multi-structure-layer flaky silver-coated aluminum powder and a conductive rubber material. The multi-structure-layer flaky silver-coated aluminum powder comprises flaky aluminum powder, a silicon dioxide layer and a silver layer, the silicon dioxide layer is coated on the surface of the flaky aluminum powder, and the silver layer is coated on the surface of the silicon dioxide layer. According to the multi-structure-layer flaky silver-coated aluminum powder, the preparation method thereof and the conductive rubber material, the multi-layer composite structure design of aluminum core-silicon dioxide layer-silver layer is adopted, the problems that aluminum powder is poor in stability and silver is prone to migration are solved, and the multi-structure-layer flaky silver-coated aluminum powder has the advantages of being low in cost and resistant to shearing; therefore, the novel white conductive filler with high performance, high stability and high applicability is obtained.

The present invention relates to a thermally conductive rubber material and a rubber track. The preparation method of the rubber material comprises the steps of mixing a raw material composition; wherein, by weight, the raw material composition comprises: 100 parts of a rubber raw material; 20-30 parts of carbon fibers subjected to a first pretreatment; 25-35 parts of hexagonal boron nitride powder subjected to a second pretreatment; and 25-35 parts of nano powder subjected to a third pretreatment; wherein the average length of the carbon fibers is 3 mm to 10 mm; wherein the average particle size of the hexagonal boron nitride powder is 10 μm to 200 μm; wherein the average particle size of the nano powder is 5 nm to 100 nm, and the nano powder is selected from one or more of metal powder and metal oxide powder; wherein the first pretreatment comprises treating the carbon fibers with a silane coupling agent and then etching with CO2 plasma; wherein the second pretreatment comprises treating the hexagonal boron nitride powder with a silane coupling agent; and wherein the third pretreatment comprises treating the nano powder with a solution containing octadecylamine and stearic acid.

The invention discloses natural rubber with high conductivity and a preparation method thereof, and belongs to the technical field of conductive rubber.The natural rubber is prepared from 100 parts of natural latex, 5-40 parts of conductive filler, 0.5-20 parts of cellulose, 1-10 parts of zinc oxide, 0.5-5 parts of sulfur, 0.5-5 parts of accelerant, 1-5 parts of stearic acid, 0.05-1 part of potassium hydroxide, 0.05-1 part of dispersing agent NF and 0.5-20 parts of casein; the natural rubber with high conductivity is obtained through preparation of a natural latex solution, cellulose treatment and preparation of a cellulose solution, mixing of a conductive filler and the cellulose solution to prepare a suspension, mixing of the suspension and the natural latex, solidification forming by a low-temperature freezing method, and hot-pressing vulcanization. The method has the advantages of being simple in process, low in cost, environmentally friendly and the like, and the produced composite material has good electrical properties, flexibility and mechanical properties.

The invention discloses anti-shrinkage directional conductive supercritical foaming rubber and a preparation method thereof, and relates to the technical field of conductive rubber foam, raw materials comprise a rubber matrix, a modified fiber forming polymer and an auxiliary agent system, and the modified fiber forming polymer is prepared from a fiber forming polymer and a conductive filler. The preparation method comprises the following steps: extruding and granulating the fiber-forming polymer and the conductive filler to obtain modified granules, blending the modified fiber-forming polymer granules and the rubber matrix, carrying out extrusion and traction processes to obtain an in-situ fiber-forming modified rubber material, carrying out directional open milling, adding an auxiliary agent system, carrying out vulcanization molding, and foaming in a supercritical fluid to obtain the rubber foam material. The directional conductive fiber is constructed in the rubber matrix in situ, the rubber foaming material with directional conductivity and shrinkage resistance is prepared, the conductive efficiency is high, the problem that a rubber supercritical foaming material is prone to shrinkage is solved, and the rubber foaming material has the characteristics of heat insulation, light weight, high strength and the like and can be used for buffering and damping, heat insulation, electromagnetic shielding, flexible sensing and other scenes.

The invention discloses a laser flatness detection device for capping beam template production, and relates to the technical field of flatness detection.The laser flatness detection device comprises a base and a supporting seat, a fitting mechanism is arranged at the bottom end of a connecting shell, conductive rubber is fixedly connected to the inner side of the fitting mechanism, and a capping beam template placed on the base is arranged below the conductive rubber; one end of the connecting shell is fixedly connected with an adjusting mechanism, the detection method is not affected by the surface characteristics of the cover beam formwork, the detection precision is improved, meanwhile, defects (such as cavities and cracks) in the cover beam formwork can be detected, and therefore tiny hidden dangers affecting the performance of the cover beam formwork can be found easily; and meanwhile, the conductive rubber and the capping beam template can be tightly and stably attached through the arranged attaching mechanism, so that a contact gap is effectively eliminated, stable signal transmission in the measurement process is ensured, and the accuracy of potential difference measurement is greatly improved.

A sealing device is arranged between two relatively displaceable members containing an object to be sealed, for example, a drive shaft of an electric vehicle, and a housing for the drive shaft. A sealing body made of conductive rubber provided in the sealing device is fixed in a state of contact with the housing by an outer peripheral seal, and brings a sealing surface provided on a conductive lip into surface contact with the drive shaft to seal the object. A grease groove is provided on the sealing surface to retain grease having conductivity. The grease is filled between the drive shaft and the sealing surface, and forms a conducting circuit along with the sealing body which makes the drive shaft acting as an antenna for electromagnetic noise and the housing conductive.

The utility model provides an automobile static conductive rubber dragging belt, which relates to the technical field of automobile static prevention, and comprises a connecting seat and a rubber belt, the connecting seat is provided with a pressing strip and a spring bolt, and the connecting seat is used for being installed on an automobile; the rubber belt comprises a fixed section, a standby section and a mopping section, one end of the fixed section is fixed in the connecting seat, the standby section and the fixed section are connected end to end and bent to penetrate through the pressing strip on the connecting seat, and a plurality of tooth grooves are formed in the standby section. According to the static conductive rubber dragging belt of the automobile, the pressing strip and the spring bolt are arranged on the connecting base to form a belt buckle type structure, the tooth groove is formed in the rubber belt, the tooth groove and the belt buckle type structure are matched to lock the standby section, and when the length of the rubber belt is adjusted, only outward pulling is needed, the rubber belt generates large elastic deformation, and the spring bolt is separated from the tooth groove, so that the rubber belt can be adjusted. And the length of the rubber belt can be adjusted by pulling, so that a user can conveniently adjust the length of the dragging belt.

This invention proposes a multi-layered, sheet-like silver-coated aluminum powder, its preparation method, and a conductive rubber material. The multi-layered, sheet-like silver-coated aluminum powder comprises: sheet-like aluminum powder, a silica layer, and a silver layer; the silica layer coats the surface of the sheet-like aluminum powder, and the silver layer coats the surface of the silica layer. This invention, employing a multi-layered composite structure design of "aluminum core-silica layer-silver layer," solves the problems of poor aluminum powder stability and easy silver migration, and possesses advantages such as low cost and shear resistance, thus obtaining a novel white conductive filler with high performance, high stability, and high applicability.

The utility model discloses an optical module circuit board device with good anti-interference and heat-conducting properties, which comprises a circuit board body, an anti-interference cover is adhered to the top of the circuit board body, a heat-conducting wear-resistant cover is movably arranged at the position, close to the edge, of the top of the anti-interference cover, and supporting frames are movably and symmetrically arranged at the two ends of the bottom of the circuit board body. The anti-interference cover comprises an outer copper-clad plate layer, a nickel-zinc ferrite layer, a conductive rubber layer, a metal micro-powder wave-absorbing material layer and an inner copper-clad plate layer which are sequentially arranged from outside to inside, and the heat-conducting wear-resistant cover comprises a metal substrate, a ceramic substrate, a heat-conducting silica gel layer and a polymer insulating substrate which are sequentially arranged from outside to inside. According to the utility model, the anti-interference cover adhered to the top adopts a multi-layer structure, and the outer copper-clad plate layer, the nickel-zinc ferrite layer, the conductive rubber layer, the metal micro-powder wave-absorbing material layer and the inner copper-clad plate layer are sequentially arranged from outside to inside, so that external electromagnetic interference can be shielded and absorbed in all directions through the design.

The invention discloses a conductive rubber composite material as well as a preparation method and application thereof, and relates to the technical field of composite materials. According to the conductive rubber composite material provided by the invention, the conductive layer containing the carbon black and the carbon nanotubes is coated on the surface of the conductive rubber matrix added with the carbon black as the conductive filler, and the carbon black of the matrix and the carbon black of the conductive layer have different particle sizes, so that stable combination of the conductive layer and the matrix can be realized through interaction of Van der Waals' force; due to the one-dimensional linear morphology of the carbon nanotubes, the carbon nanotubes can be matched with the conductive layer and spherical carbon black filler in the conductive rubber matrix to form rich conductive paths, so that the conductivity of the obtained composite material can be improved, and a stress concentration point cannot be introduced into the composite material. Therefore, the conductivity of the rubber matrix is improved, meanwhile, the mechanical performance of the rubber matrix can be guaranteed, the volume resistivity of the obtained composite material can reach 42 omega.cm or below, and the elongation at break can reach 620% or above.

The application discloses a kind of low resistance low inductance high reliable electrode connecting structure for high voltage Pockels cell, belongs to Pockels cell electrode connecting technical field, solve the existing Pockels cell electrode connecting structure connection reliability problem, electric contact medium performance is not good;Including anti-drop insulating sleeve, pin, input electrode, metal hair button, shell and crystal;The top of pin is equipped with anti-drop insulating sleeve, the bottom of pin is connected with input electrode, input electrode is installed in the mounting hole of shell, the inside of shell is provided with crystal, and the outer side surface of both ends of crystal is provided with gold plating layer;Metal hair button at the bottom of input electrode is pressed on gold plating layer.In the application, pin and input electrode are inserted into position and wrapped by anti-drop insulating sleeve, input electrode is not exposed, and the personal safety hazard of high-voltage electric shock is fundamentally eliminated;Metal hair button is used instead of conductive rubber, to ensure that the contact pressure with crystal electrode is constant, and the anti-vibration and anti-impact performance is strong.

The utility model discloses a conductive rubber roller surface treatment device for a printer, and relates to the field of printer production, the conductive rubber roller surface treatment device comprises a spraying cleaning cabin, a drying cabin is arranged on one side of the spraying cleaning cabin, a supporting frame is arranged on a spraying inclined cabin and the drying cabin, and the supporting frame penetrates through the spraying cleaning cabin and the drying cabin; a rapid feeding mechanism is arranged on the supporting frame, and a discharging mechanism is arranged at one end of the supporting frame. A plurality of rubber rollers are placed in the rapid feeding mechanism on the supporting frame, then the rapid feeding mechanism is used for driving the rubber rollers to move on the supporting frame in sequence, the rubber rollers pass through the spraying inclined cabin and the drying cabin in sequence, the discharging mechanism collects the processed rubber rollers, and the rubber rollers are dried through the drying cabin. Therefore, the trouble that cleaning personnel need to place and fix the rubber rollers one by one can be reduced, meanwhile, the discharging operation time of processing personnel can be buffered, and the possibility that the rubber rollers fall off due to untimely discharging is reduced.

The invention discloses a road snow melting conductive rubber material arrangement method and system, and relates to the technical field of high-speed maintenance. Comprising the steps of collecting ice-snow pavement information data over the years; the snow melting conductive rubber material is systematically arranged based on the collected ice and snow pavement information data; through sensitivity analysis, the influence degree of the influence factors on the heating process of the snow-melting conductive rubber material is obtained; and based on the support vector regression model, predicting a temperature rise result of the snow-melting conductive rubber material to realize ice and snow melting. According to the method, a thermal resistance model method is adopted, the scientificity of systematic arrangement of the road snow melting conductive rubber material is guaranteed, finally, a road snow melting conductive rubber material system model is constructed, and the problem that existing influence factors are not clear is dynamically solved by utilizing a sensitivity analysis method; and the scientific degree and accuracy of the arrangement of the snow-melting conductive rubber material are effectively promoted.

A garment includes an outer shell, first and second electrode snaps located on an outer surface of the outer shell, first and second conductive rubber electrodes located inside the outer shell, a first conductive fabric strip connected to the first electrode snap and the first conductive rubber electrode, and a second conductive fabric strip connected to the second electrode snap and the second conductive rubber electrode.

To provide a projected capacitive touch panel button structure disposed on a touch screen.SOLUTION: A projected capacitive touch panel button structure comprises: a button body 20 disposed on a touch screen; a touch capacitive sheet 10 disposed on the touch screen and located inside the button body 20; a conductive rubber 30 disposed in the button body 20 and including a contact portion 31 that can come into contact with the touch capacitive sheet 10; and a button cap 40 including a connecting body 41 disposed above the conductive rubber 30 and a cover body 42 protruding outward from the button body 20. When the button cap 40 is pressed, the contact portion 31 comes into contact with the touch capacitive sheet 10, and the conductive rubber 30 and the touch capacitive sheet 10 become conductive, causing the touch screen A to generate an input signal.SELECTED DRAWING: Figure 2

To provide a steel rack that is easy to structure and can reliably prevent static electricity. [Solution] In the electrostatic dissipative steel rack, shelf support members 4 are hung in pitch grooves, and a strip of conductive rubber 13 is installed on the load-receiving portion 9 of the shelf support member 4. The shelf board 6 and shelf support member 4 have a primer layer that serves as an insulating layer applied to the base iron plate, and a conductive paint applied to the outermost surface. The conductive rubber 13 ensures that the shelf support member 4 and the shelf board 6 are in even contact, providing stable electrostatic dissipation without variation.

The invention belongs to the technical field of electromagnetic radiation leakage, and particularly relates to a low-leakage handheld terminal. According to the method, efficient electromagnetic shielding is achieved in a Faraday cage structure mode through lap joint of all parts, the surface of a resistance screen is covered with an irregular metal net, and the space between the irregular metal net and a front cover is filled with an aluminum silver-plated conductive rubber plate used for cushioning and extrusion to achieve electric continuity between the irregular metal net and the front cover. The front cover, the middle frame and the rear cover are electrically continuous through opposite-penetrating screws, and copper foils are filled among contact surfaces of the middle frame, the rear cover and the front cover to enhance conductivity, so that the whole handheld terminal structure is in an electrically continuous state. The broadband electromagnetic shielding material has the beneficial effects that the electromagnetic shielding performance is remarkably improved, broadband effective protection is realized, the problem that the frequency band of a traditional electromagnetic shielding material is narrow is effectively solved, the shielding effectiveness of 40-50dB is realized in the broadband range of 30MHz to 1GHz, and the information safety level of equipment in an electromagnetic sensitive environment is remarkably improved.

The utility model relates to a conductive rubber strip splitting machine, comprising a bearing assembly comprising a pedestal, a bearing frame and a linear module; the pressing assembly is fixedly mounted on one side in the bearing assembly; the pressing assembly comprises a first support, a first vertical plate, a first lifting air cylinder, a first pressing head and a first photoelectric sensor. The slitting assembly is movably mounted on the other side of the interior of the bearing assembly; the slitting assembly comprises a second support, a second vertical plate, a second lifting air cylinder, a second pressing head, a slitting knife and a second photoelectric sensor. The conductive rubber strip splitting machine is simple in structure and convenient to use, one side of the slitting knife is connected with the second pressing head, the cutting area of the conductive rubber strip can be fixed through pressing of the second pressing head, the deformation range of the conductive rubber strip under the action of shearing force is limited, and therefore the flatness of the cutting edge is guaranteed, and the appearance quality and the performance quality of the conductive rubber strip are guaranteed.

The invention discloses an automobile electric door and window switch automatic assembling and detecting production line which comprises a rack, an annular conveying line arranged on the rack and a tool arranged on the annular conveying line. The outer shell oiling device, the outer shell feeding and oiling detection device, the inner shell feeding and assembling device, the inner shell assembling turnover device, the button feeding and press-fitting device, the switch assembly assembling device and the index plate detection device surround the periphery of the annular conveying line. The base assembly assembling module comprises a base labeling device, a base dust removing device, an automatic conductive rubber installing device, a conductive rubber correcting device and a height detecting device, and an automatic rechecking GP-12 device is arranged behind the dividing plate detecting device. According to the device, the functions of automatic labeling, code scanning and printing, automatic dust removal, automatic waterproof conductive rubber installation, automatic auxiliary conductive rubber calibration, waterproof conductive rubber height detection and automatic GP-12 reinspection can be achieved, operation is convenient, the labor cost is saved, and the working efficiency is improved.

The utility model belongs to the technical field of safety protection equipment, and provides a safety contact edge strip which comprises an elastic rubber tube, the elastic rubber tube comprises a plane portion and an arch portion which are integrally formed, a first conductive rubber strip is arranged on the inner side of the plane portion, and a second conductive rubber strip corresponding to the first conductive rubber strip is arranged on the inner side of the arch portion. A hollow cavity is defined by the first conductive rubber strip, the second conductive rubber strip and the elastic rubber pipe, conductive wires are arranged in the first conductive rubber strip and the second conductive rubber strip in the length direction of the first conductive rubber strip and the second conductive rubber strip, and at least one reinforcing rib is further arranged on the outer side of the arch-shaped part in the length direction of the arch-shaped part. The pressure sensor is simple in structure, when the pressure sensor is subjected to external pressure or impact, the elastic rubber tube deforms, so that the second conductive rubber strip is in contact with the first conductive rubber strip, external pressure or impact signals can be detected, the detection sensitivity is high, the detection range is wide, and the service life is long.

The utility model belongs to the field of cases, and particularly relates to an anti-electromagnetic interference case structure which comprises a rectangular case formed by assembling six metal panels. Embedding grooves I are formed in the upper sides and the lower sides of the front panel, the left side plate, the rear panel and the right side plate, the four embedding grooves I are combined to form a rectangular ring groove, an annular conductive rubber strip is arranged in the rectangular ring groove, and the top plate and the bottom plate abut against the annular conductive rubber strip after being assembled; embedded grooves II are formed in the connecting structures between every two of the front panel, the left side plate, the rear panel and the right side plate, and strip-shaped conductive rubber strips are arranged in the embedded grooves II. According to the anti-electromagnetic interference case structure provided by the utility model, the six panels are made of metal materials, and the annular conductive rubber strips and the strip-shaped conductive rubber strips are arranged at the joints of the six panels, so that a rectangular case formed by the six panels forms a complete and closed electromagnetic shielding layer, and the anti-electromagnetic interference case structure has an excellent electromagnetic shielding effect.

The invention provides a tread rubber forming method, which can form tread rubber with high precision from non-conductive and conductive rubber tapes. The tread rubber forming method includes: a first step (S1) in which a non-conductive layer is formed by winding a first rubber tape around a cylindrical body by a plurality of turns; a second step in which a conductive layer is formed by winding a second rubber tape on the cylindrical body parallel to the circumferential direction of the cylindrical body; and a third step (S3) in which the non-conductive layer is formed by winding the first rubber tape around the cylindrical body by a plurality of turns after the second step (S2). The first step (S1) and the third step (S3) include, in each of the plurality of turns: a circumferential winding step in which the first rubber tape is wound parallel to the circumferential direction of the cylindrical body by 3 / 4 or more turns to form a circumferential portion; and an inclined winding step for forming an inclined portion by inclining the first rubber tape with respect to the circumferential direction of the cylindrical body and winding the remaining portion.

The utility model discloses an aging-resistant conductive rubber tolerance strength testing device, which comprises a base and a plurality of testing mechanisms arranged on the base, the base is provided with the plurality of testing mechanisms, through the arrangement, a user can simultaneously carry out thermal aging tests on a plurality of rubber products in different temperature environments, the testing efficiency is effectively improved, and the testing cost is reduced. The testing mechanism is used for carrying out thermal aging testing on the rubber product; comprising a heat preservation shell fixed to the top end of a base, a support installed on the inner wall of the heat preservation shell, a rotating shaft rotationally installed on the support, placing frames fixed to the rotating shaft in an annular array mode, an electric heating wire fixed to the inner wall of the heat preservation shell and a high-speed fan fixed to the inner wall of the heat preservation shell. The connecting pipe is connected with the top and the bottom of an inner cavity of the heat preservation shell, the sealing door is installed on the heat preservation shell in a hinged mode, and the aging-resistant conductive rubber tolerance strength testing device has the advantages of being low in energy consumption and high in testing efficiency.

The utility model provides a shifter handball and an automotive electronic shifter, which belong to the technical field of automobile parts, the shifter handball comprises a handball body, the handball body comprises an upper cover and a base, the upper cover is mounted on the base, and a first key notch is positioned on the upper surface of the handball body; first conductive rubber is arranged on one surface, facing the first key notch, of the circuit board; the first key assembly comprises a first key block and a first key support, the first key block is connected with the first key support, the first key block is located in the first key notch, and the first conductive rubber is extruded through the first key support when the first key block is pressed. The handball has the advantages that the first key block is arranged on the top face of the handball body, the space of the top of the handball is ingeniously utilized, meanwhile, the possibility that additional keys are arranged on the side face of the handball is reserved, the functionality of the handball is enhanced, and the risk of misoperation is effectively reduced.

The invention relates to a vehicle tire with a tread (1) made of electrically non-conductive rubber material, a belt assembly (2) with belt layers (2a, 2b) with an electrically non-conductive belt rubber coating, a belt bandage (3) covering the belt layers (2a, 2b) at the edges in the tire cross-section and having an electrically conductive bandage rubber coating, at least one electrically conductive element (7) penetrating the tread (1) in the radial direction and contacting the belt bandage (3), and at least one electrically conductive sidewall / horn profile passage (5) formed in a sidewall region and contacting the belt bandage (3). The tread (1) has at least a profile depth (T UR ) circumferential groove (8) with a maximum width (B UR), wherein the discharge path comprises an electrically conductive material strip (9) installed radially within the circumferential groove (8) between the tread (1) and the belt bandage (3) and associated with the circumferential groove (8), which, viewed in the tire cross-section, has a width (b 1 ) from 130% to 200% of the maximum width (B UR ) of the circumferential groove (8).

The utility model discloses a continuous detection heat conductivity coefficient determinator for heat conduction gum dipping canvas, which relates to the technical field of heat conductivity coefficient detection, and comprises a detection table, two symmetrically arranged placing assemblies are arranged at the top of the detection table, and pressing assemblies are arranged on the placing assemblies. A detection assembly is slidably arranged on the detection table through an adjusting assembly. After a single sample disc is measured, the lifting table is reset, the first handle is rotated, and the connecting rod is driven to move towards the detection table, so that the lengthening rod and the sliding block are driven to move in the movable groove, the lifting table on the guide rod is moved to the position above the left side placing assembly, and the sample disc to be detected is placed on the left side placing assembly; and the first step and the second step of detection are repeated, so that the next sample disc can be detected without waiting for natural cooling of the heat dissipation copper disc on the right placement assembly, and the detection efficiency is improved.