668 results about "Sliding contact" patented technology

A discharge device for discharging electric currents from a rotor part of a machine, said rotor part having a shaft, the discharge device comprising an axially displaceable contact element, which is at least partly accommodated in a guide, for forming an electroconductive sliding contact between a sliding contact surface of the contact element and a shaft contact surface of the shaft, the sliding contact surface being provided for forming the sliding contact, the contact element being electroconductively connected to the guide and / or a retaining element of the machine, and the contact element being prestressed towards the shaft contact surface by means of a spring element, the contact element being at least partly wetted with an oily fluid, in particular at least in the area of its sliding contact surface.

The utility model relates to the technical field of food safety detection, in particular to safety detection equipment for microorganisms in beef, which comprises an operation table, a placement table fixedly mounted on the operation table, a support arm fixedly mounted on the operation table, and a detection instrument fixedly mounted on the support arm. A U-shaped moving frame is slidably installed on the operating table through a sliding assembly, a cylindrical pipe is fixedly installed on the side face of the moving frame, the two ends of the cylindrical pipe are sealed, a plurality of liquid outlet pipes are fixedly connected to the cylindrical pipe, and a liquid inlet pipe is fixedly connected to the cylindrical pipe. A strip-shaped rod is mounted on the side, away from the cylindrical pipe, of the moving frame through a mounting assembly, a rubber scraping strip is fixedly mounted on the lower surface of the strip-shaped rod, and the lower side of the rubber scraping strip is in sliding contact with the containing table. The surface of the placing table is disinfected, so that residual microorganisms on the placing table are prevented from influencing the detection of the next beef, and the accuracy of a detection result is ensured.

The application relates to the brake pad manufacturing field and particularly relates to a brake pad cleaning equipment, which comprises a frame body, ultrasonic oscillators are installed on the frame body, a cleaning cavity is arranged in the frame body, a fixed connecting plate is fixedly installed in the frame body, a guide rod is fixedly installed on the fixed connecting plate, a lifting plate is slidably arranged on the guide rod, a brake pad is placed on the lifting plate, a guide column is fixedly installed on the fixed connecting plate, an arc-shaped guide groove is arranged in the guide column, a connecting piece is slidably installed on the guide column, the connecting piece is connected with the lifting plate, a connecting protrusion is integrally connected on the connecting piece, and the connecting protrusion is in sliding contact with the arc-shaped guide groove. In the application, when the lifting plate moves downwards along the guide rod, the lifting plate rotates, the brake pad is driven to move upwards and downwards, the brake pad is rotated, and the cleaning effect is good.

The utility model belongs to the technical field of steel bar bending, and particularly relates to a steel bar bending device for constructional engineering, which comprises four supporting rods, a workbench is fixedly mounted on the upper portions of the four supporting rods, a supporting plate is fixedly mounted on the upper portion of the workbench, and a placing groove is formed in the upper surface of the supporting plate. A steel bar body is in sliding contact with the arc surface of the containing groove, an angle-adjustable bending mechanism is arranged on the upper portion of the workbench, and a steel bar bending distance adjusting mechanism is arranged on the upper portion of the workbench. According to the reinforcing steel bar bending device for constructional engineering, the angle-adjustable bending mechanism is arranged to bend a reinforcing steel bar body at different angles, so that a worker can conveniently bend the reinforcing steel bar at different bending angles, and the reinforcing steel bar bodies with different sizes can be bent; and a steel bar bending distance adjusting mechanism is arranged, so that the bending distance of the steel bar is conveniently adjusted, and the technical problem that the requirement for large-angle bending of the steel bar cannot be met in the prior art is solved.

The application provides a sliding contact line detection method and device, a controller, a medium and a product, and is applied to the technical field of defect detection. The method comprises the following steps: acquiring the current temperature of a carbon brush; performing two-dimensional code shooting on the position of the sliding contact line where the carbon brush is currently located to obtain current position information of the carbon brush, wherein the sliding contact line is provided with a plurality of two-dimensional codes, and each two-dimensional code corresponds to one position information; determining a temperature threshold value according to the current position information, wherein different position information corresponds to different temperature threshold values; and analyzing the current temperature and the temperature threshold value to determine the current state of the sliding contact line. According to the application, the temperature threshold value can be determined according to the current position information obtained by the two-dimensional code, and the current state of the sliding contact line can be determined according to the current temperature of the carbon brush and the temperature threshold value, so that the detection of the sliding contact line is realized.

The utility model relates to the technical field of PVC (polyvinyl chloride) film production, and discloses a PVC film calendering device, which comprises a machine body comprising a pair of support plates which are oppositely distributed along the horizontal direction; the pair of calendering rollers is rotationally connected between the pair of supporting plates; the driving assembly comprises two sliding block sets arranged on the supporting plate in the vertical direction, the two sliding block sets are connected with a pair of calendering rollers respectively, the calendering rollers and the sliding block sets are rotatably fixed, a first driving assembly is arranged on the supporting plate, and the driving end of the first driving assembly is connected with the two sliding block sets through a transmission unit. The two sliding block groups are configured to be close to or far away from each other; the cleaning sponge is arranged on one side of the pair of calendering rollers and is in sliding contact with the adjacent calendering rollers, a second driving assembly is arranged on the supporting plate, and the driving end of the second driving assembly is connected with the cleaning sponge so that the cleaning sponge can ascend and descend in the vertical direction. The application range of the calendering device can be widened, and the production requirements for PVC films with different thicknesses are met.

The utility model discloses a kind of over cross transport vehicles, including first rail, second rail and car body;Two first rails are provided, and two first rails are arranged in parallel and interval distribution;Three second rails are provided, and three second rails are arranged in parallel between two first rails;Three second rails are respectively and one-to-one correspondingly electrically connected with the three output electrodes of direct current three-phase power supply;Car body has electric drive part and three sliding contacts, each side of car body has at least two track wheels placed on first rail, electric drive part is drivingly connected with at least one track wheel, three sliding contacts are arranged on car body and interval distribution along left-right direction, and three sliding contacts are electrically connected with the three input electrodes of electric drive part, three sliding contacts and three second rails are one-to-one corresponding, and each sliding contact and corresponding second rail sliding contact.This makes three second rails as power supply line to power supply electric drive part on car body, so that cable is not needed to be set to carry out power supply.

One aspect of the invention relates to a test specimen (100) for characterizing vibration damping in adhesive or sliding contact between two components subjected to vibration, low-cycle, and tribological stress, wherein the specimen is provided with male and female fasteners (130) comprising a protrusion (131) extending from a free end of a first longitudinal rod and a recess (132) recessed at a free end of a second longitudinal rod. A second aspect of the invention relates to an apparatus (300) for characterizing vibration damping in adhesive or sliding contact between two components subjected to vibration, low-cycle, and tribological stress, wherein the apparatus is provided with a test bench (300) on which the test specimen (100) is mounted, and wherein the apparatus includes a vibrator (310) for transmitting vibrational excitation to the test specimen (100) and a static loading device (320) for transmitting low-cycle stress to the test specimen. A third aspect of the invention relates to a method (400) for implementing the characterization apparatus (300).

The disclosure relates to a device for transmitting electrical current to a rotor of an electric machine, having a group of sliding contacts each assigned to an electrical pole for transmitting current to a slip ring of the electric machine assigned to each such group. At least one separator is provided for separating electrically conductive particles from the coolant of a coolant system for cooling the sliding contacts.

The utility model discloses a kind of weighing elastomer pressure test equipment, including stand, clamping and pressing assembly, pound platform group and linkage rod. The clamping and pressing assembly is set on the horizontal table of stand top, including movable clamp holder, fixed clamp holder and adjusting rod, adjusting rod is connected to the bottom of fixed clamp holder and can be slidably adjusted, movable clamp holder is connected with linkage rod by connecting rod assembly. The pound platform group is set below stand, including guide rod, pound seat and deflection rod, pound seat is used for loading weight, its bottom and deflection rod sliding contact, deflection rod middle part and linkage rod bottom end rotationally connected, other end and stand rotationally installed. The adjusting rod bottom is equipped with ratchet bar, and is locked by cooperating with lock tooth plate engagement, and deflection rod and stand are equipped with tension spring. By single operation of linkage rod, clamping and loading action can be realized simultaneously, and have self-resetting function. The equipment structure is compact, convenient to adjust, test efficiency is high, suitable for different specifications weighing elastomer's fast and stable clamping and loading test.

The invention discloses a flip type cup cover and a water cup, and the cup comprises a cover body which is provided with a water outlet; the water sealing sheet is positioned on the inner side of the cover body; one end of the connecting column is connected with the water sealing sheet, and the other end penetrates out of the cover body; one end of the turning cover is rotationally connected with the connecting column, the turning cover can rotate between a first rotating position and a second rotating position, a cam is arranged at the end, corresponding to the connecting column, of the turning cover, the cam is in sliding contact with the top face of the cover body, and when the turning cover rotates between the first rotating position and the second rotating position, the water sealing piece can be driven by the cam to move up and down; sealing water for the water outlet; and the elastic piece is arranged between the water sealing piece and the cover body. When the turning cover is rotated, the cam can rotate along with the turning cover, then the connecting column and the water sealing piece are driven to move up and down together to seal water of the water outlet, and the water sealing piece is located on the inner side of the cover body, so that the water sealing piece is not prone to being jacked open by air pressure in the cup body, and when negative pressure is generated in the cup body, the water sealing piece is relatively easy to open.

The present invention provides a rotary electric shaver with a structure capable of achieving a long service life of an outer blade while making the skin feel smooth during shaving. A rotary electric shaver (1) is provided with a main body (2) having an electric motor (9), and a head (3) connected to the main body. The head portion has a blade unit (4), the blade unit has an outer blade portion (5) and an inner blade portion (6), and the outer blade portion has an outer blade (5a) in which a plurality of holes (5c) are formed around a first axis (P1). The inner blade portion has a plurality of inner blades and a base portion for disposing the inner blades around the first axis, and the base portion is driven by the electric motor, whereby the inner blades are in sliding contact with the sliding contact surfaces of the outer blades. In the outer blade, an outer region surrounded by a first arcuate portion continuous with the top portion and an inner region surrounded by a second arcuate portion continuous with the top portion are continuous, and the first arcuate portion is longer than the second arcuate portion.

The utility model discloses an air clamp with stable clamping force, which comprises a base, an air cylinder is fixedly connected on the base, a slot position is arranged on the base, a wedge plate is in sliding contact in the slot position, the wedge plate abuts against the inner wall of one side of the slot position, an output shaft of the air cylinder is connected with the wedge plate, a first clamping plate is in sliding connection in the slot position, and a second clamping plate is arranged in the first clamping plate. The wedge plate and the first clamping plate extend to form wedge blocks, the wedge blocks of the wedge plate abut against the wedge blocks of the first clamping plate, the sliding path of the wedge plate is perpendicular to the sliding path of the first clamping plate, and a clamping area is formed between the first clamping plate and the inner wall of the other side of the groove position. According to the air clamp stable in clamping force, the air cylinder pushes the first clamping plate to clamp a pin through the wedge plate, and the working pressure of the air cylinder is reduced.

This utility model relates to the field of valve body technology, and in particular to an impact-resistant high-temperature and high-pressure valve body, comprising a valve body and an impact-resistant plate. The inner wall of the valve body has an inlet chamber and a drain chamber, which are connected. A limiting groove is formed in the inner wall of the inlet chamber, and the impact-resistant plate abuts against the limiting groove, with its outer peripheral wall in sliding contact with the inner wall of the limiting groove. Multiple flow holes are formed on the outer wall of the impact-resistant plate, with the diameter of the flow holes increasing from the middle to both ends. In this utility model, by setting up the impact-resistant plate, the impact force of the fluid is transferred from the inner wall of the valve body to the impact-resistant plate, avoiding direct impact on the valve body. The design of the flow holes with increasing diameter from the middle to both ends reduces the flow velocity and disperses the pressure when the fluid passes through, further reducing the impact of the fluid on the valve body, preventing fatigue, wear, and cracks in the valve body material, extending the service life of the valve body, and ensuring safe operation of the equipment.

An example of a sliding contact strip capable of suppressing frequent arc discharges is disclosed. [Solution] The sliding contact strip 1 is provided with an insulating portion 4 on the sliding contact surface 3 that has a higher electrical resistance than the conductive portion (parts other than the insulating portion 4), and the insulating portion 4 is provided only on a portion of the sliding contact surface 3 in the width direction. Therefore, the occurrence of arc discharge between the trolley wire and the insulating portion 4 can be suppressed, and even if arc discharge occurs between the trolley wire and the conductive portion 5, the continuous and frequent occurrence of such arc discharge can be suppressed. Consequently, premature damage to the sliding contact strip 1 can be suppressed.

The utility model provides a kind of self-induction removes bamboo inner node equipment, it can carry out the inner node and bamboo yellow of whole long bamboo material of semicircular to remove, and will not remove bamboo meat, improves bamboo utilization, operation efficiency is high, and inner node is removed clean without residue.It includes machine body, power roller device, cutting part, telescopic part.Machine body includes disc, fixed hollow cylinder on disc, there are three bearing support holes on disc, and there are three groups of sliding blocks on the back of disc;Cutting part includes tool shaft, cutter head, conical cutter, arc-shaped bending cutter and drill bit;Telescopic part includes three fan-shaped telescopic blocks, three star gears, inner gear ring and inner gear ring pushing device;Inner gear ring pushing device pushes inner gear ring to rotate around axis, star gear rotates, rack and telescopic block are moved along radial direction, so that the outer edge of tray is in contact with the bamboo yellow surface of bamboo;The cutter body of bending cutter is in sliding contact with the outer wall of tray edge under the action of centrifugal force, and the cutting edge cuts bamboo inner node and bamboo yellow.

Chain tensioner (7), comprising: a lever (9) comprising a sliding contact surface (16) configured to come into sliding contact with a chain (5), and a hub section (15); and a torsion spiral spring (10) comprising a spiral section (18) arranged around the hub section (15), a fixed-side support arm (17) extending from one end of the spiral section (18), and a lever-side support arm (19) extending from the other end of the spiral section (18), wherein when the fixed-side support arm (17) abuts a spring contact section (20), the lever-side support arm (19) abuts a contact surface (21) provided on the lever (9) to exert a preload force of the torsion spiral spring (10) on the lever (9) and tension via the sliding contact surface (16) on the chain (5), wherein the fixed side support arm (17) contains: a restricted section (17a, 17a2), and a press section (17c, 17c2), wherein the lever (9) includes a spring-enclosing section (22, 222) which encloses the locking section (17a, 17a2) and an engagement section (22a, 22a2) which locks the locking section (17a, 17a2) which is enclosed in the spring-enclosing section (22, 222) in a state in which a preload force is applied, and wherein a pressing force is exerted on the pressing section (17c, 17c2) to release the locking of the locking section (17a, 17a2), so that the locking section (17a, 17a2) is removed from the spring mounting section (22, 222) and the locking is released with the engagement section (22a, 22a2).

The utility model relates to the technical field of telescopic cables, in particular to a wireless charger with a telescopic cable, which comprises a shell, a rotating disc rotatably mounted in the shell and a wireless charging mechanism mounted on the surface of the shell, a connecting wire is mounted on the surface of one side of the rotating disc in a winding manner, and a winding mechanism used for driving the rotating disc to rotate is arranged on the surface of one side of the rotating disc. A sliding circuit board is arranged on the surface of the other side of the rotating disc, the connecting line is electrically connected with the sliding circuit board, and the wireless charging mechanism is in sliding contact with and electrically connected with the sliding circuit board. According to the utility model, the rotating disc is arranged in the shell, and the winding mechanism is arranged on the rotating disc to drive the rotating disc to rotate, so that the connecting wire can be wound on the rotating disc or pulled out from the rotating disc under the action of the winding mechanism, and the connecting wire can be wound on the rotating disc through the winding mechanism when not in use; the connecting line can be prevented from being knotted, wound or damaged; and in the process, the device can be pulled out randomly and is convenient to use.

The present application relates to the field of air conditioners, in particular to a double-cavity rotor compressor and an air conditioner; the double-cavity rotor compressor comprises: an inner cylinder having an outer peripheral wall surface; an outer cylinder having an inner peripheral wall surface, the outer cylinder being coaxially sleeved outside the inner cylinder; a ring wall being sleeved outside the inner cylinder and located inside the outer cylinder, the ring wall comprising an inner ring surface and an outer ring surface; the inner peripheral wall surface is tangent to the outer ring surface, and an outer compression cavity is formed between the inner peripheral wall surface and the outer ring surface; the outer peripheral wall surface is tangent to the inner ring surface, and an inner compression cavity is formed between the outer peripheral wall surface and the inner ring surface; a sliding vane is arranged between the inner peripheral wall surface and the outer peripheral wall surface and passes through the ring wall, the sliding vane comprising an outer end and an inner end, the outer end being in sealed sliding contact with the inner peripheral wall surface, and the inner end being in sealed sliding contact with the outer peripheral wall surface; the sliding vane can rotate with the ring wall and can slide radially in the ring wall, so as to solve the technical problem of separation of the sliding vane from the cylinder during operation of the sliding vane compressor.

The utility model provides a coupler with a cross shaft joint structure, which comprises a power input end plate, a power output end plate, a switching transmission core plate, input transmission mandrels and output transmission mandrels, and a connecting line between the output transmission mandrels and a connecting line between the input transmission mandrels of the coupler are mutually crossed to form a cross structure. By means of the structure, when the coupler bears torque, the torque can be evenly distributed to all the transmission mandrels through the through-connection transmission core plate, the input transmission mandrel and the output transmission mandrel are directly installed in the power input end plate and the power output end plate respectively and connected through the through-connection transmission core plate, the axial length of the coupler is effectively shortened, and the coupling is more compact in structure. The input transmission inner ring and the input transmission outer ring are matched through the spherical sliding contact surfaces, the output transmission inner ring and the output transmission outer ring are matched through the spherical sliding contact surfaces, the spherical sliding contact surfaces can evenly disperse torque to the whole contact surfaces, and therefore the bearing capacity of the coupler is improved.

The utility model relates to an adjustable metal mounting seat in the field of mounting seats, which comprises a fixed base and a movable platform, the movable platform can translate along the length direction relative to the fixed base, and a damping assembly is arranged between the fixed base and the movable platform. The damping assembly comprises a damping base fixed to the fixed base and a damping sliding block connected to the movable platform, the damping base makes sliding contact with the damping sliding block, an extrusion block and an adjusting rod are arranged in the damping sliding block, the extrusion block is in sliding connection with the damping sliding block, and the surface of the extrusion block can make contact with the surface of the damping base. The adjusting rod is rotationally connected with the end, away from the damping base, of the extrusion block, the adjusting rod is in threaded connection with the damping sliding block, the pressure of the extrusion block on the surface of the damping base can be controlled by rotating the adjusting rod, the movable platform obtains dynamic and constant damping buffering in the whole translation process, and the clamping stagnation or kick phenomenon caused by rigid sliding is thoroughly eliminated.

The invention discloses a rotating device and a keyboard protection shell assembly. The rotating device comprises a first component, a second component and a positioning device, the first component is rotatably connected with the second component; a plurality of grooves and bulges are alternately arranged on the second component around the circumference of the first rotating axis; the positioning device comprises a positioning piece and an elastic reset element; the positioning piece is provided with a positioning end used for being embedded in the groove, and the positioning piece is movably matched with the first component. The elastic reset element is arranged between the positioning piece and the first component; the first component is provided with a first electrical connection module, and the second component is provided with a second electrical connection module. According to the invention, stable locking can be ensured, displacement is avoided, electrical conduction is realized through sliding contact of the first conductive part and the second conductive part, the problem of wire winding is avoided, the use reliability can be improved, and the user experience is improved.

The utility model relates to the field of engineering machinery structural member auxiliary displacement tools, in particular to an engineering machinery structural member annular auxiliary displacement tool which comprises a bearing support, a transposition driving part, a lower half auxiliary assembly, an upper half auxiliary assembly, a pressing mechanism and a hinge shaft. The bearing support is mounted on an external rack; an inner groove is formed in the bearing support, a supporting bearing is arranged in the inner groove, and the lower half auxiliary assembly is arranged in the inner groove in the bearing support and is in sliding contact with the supporting bearing; according to the auxiliary displacement tool, the workpiece pressing mechanism is additionally arranged on the upper half pair of the displacement disc, in the using process, the workpiece pressing mechanism can cooperate with a clamping tool in the lower half pair to stably position a vehicle beam frame, the vehicle beam frame is prevented from falling off during large-angle displacement, and the displacement operation safety is guaranteed.

The invention relates to the technical field of cleaning devices, in particular to a wet tissue outer package double-station synchronous heat sealing and shearing device which comprises a conveying table, a cleaning mechanism, an adhesion mechanism, a linkage mechanism and a transmission mechanism. The heat sealing head continuously works up and down for heat sealing, the transmission mechanism drives the two connecting boxes and the cleaning belt to slide in the connecting frame, and the tensioning wheel set drives the cleaning belt to slide along the connecting cavity, so that the heat sealing head used for a long time can be wiped and cleaned through the cleaning belt, a large amount of dust is prevented from being gathered, and the cleaning efficiency is improved. And the adhesion belt is in sliding contact with the surface of the cleaning belt, so that dust on the surface of the used cleaning belt is adhered and cleaned, the cleanliness of the cleaning belt is guaranteed, the cleaning effect of the cleaning belt on the heat sealing head is further guaranteed, and the overall working quality and effect are guaranteed.

The invention provides a supporting device, a pivoting structure and head-up display equipment, and the supporting device comprises an elastic base body which is configured to apply a radial pre-tightening force to a rotating shaft through elastic deformation; the self-lubricating part is fixed on the elastic base body, and the self-lubricating part comprises a macromolecular wear-resistant material and is configured to form sliding contact with the rotating shaft. By means of the supporting device, the problems that in the related technology, a pivoting structure is high in dependence on machining precision, unstable in pre-pressure and serious in frictional wear can be solved.

The utility model relates to the technical field of material mixing, in particular to a silicone rubber cable material mixing preparation device which comprises a stirring barrel and two cover plates rotationally connected to the upper end of the stirring barrel, and a guide rail surrounding the inner wall of the stirring barrel is fixedly arranged in the stirring barrel; a stirring assembly penetrating through the cover plate is arranged above the stirring barrel and comprises a stirring rod connected with an output shaft of the motor, the stirring rod is sequentially provided with a propeller, a shearing paddle and a bottom scraper from top to bottom, the outer edge of the propeller is in sliding contact with the guide rail, and the radial size of the shearing paddle is smaller than that of the propeller; the bottom scraper is kept in contact with the inner bottom surface of the stirring barrel, a forced lifting channel is formed through cooperation of the guide rail and the propeller, materials are conveyed upwards along the guide rail during stirring, then fall naturally and form closed-loop circulation with a cutting area of the shearing paddle, and layering of the materials is thoroughly eliminated.

The application discloses a valve cover grinding tool, which is characterized by comprising a valve cover planet gear disc and a valve cover pad; the outer side of the valve cover planet gear disc is provided with engagement teeth, which are used for cooperating with a sun gear and an inner tooth ring to form a planetary gear mechanism; an end surface of the valve cover planet gear disc is provided with a valve cover loading hole; a plurality of valve cover loading holes are uniformly and interval arranged along the circumferential direction of the valve cover planet gear disc, and each valve cover loading hole is used for loading a pair of valve covers and the valve cover pad vertically and filling, and the valve cover pad is used for being arranged between the pair of valve covers in each valve cover loading hole, so that the sliding contact plane of the pair of valve covers can be extended from the valve cover loading hole and can be ground by a grinding disc.

Piston (12) of an actuator mechanism, the piston (12) comprising a nut (16) of a worm gear mechanism, the nut (16) comprising an outer peripheral wall (32) and a nut thread (27) intended to cooperate, directly or via balls, with a worm gear mechanism screw; a sleeve (42) integral with the nut (16) and covering at least partially the outer peripheral wall (32) of the nut (16), the sleeve (42) comprising a cylindrical guide area (44) intended to come into fitted sliding contact with an inner guide wall of a guide cylinder (84) of the actuator mechanism (10L), the nut (16) comprising at least one annular shrink-fitting surface (52), the sleeve (42) comprising at least one shrink-fitting surface (62) shrink-fitted onto the annular shrink-fitting surface (52).The guiding zone (44) has an outer diameter greater than the shrink-fit zone (62) and covers, without contact or shrink-fitting, a covered portion (80) of the outer peripheral wall (32) of the nut (16). (Abstract figure: 2).

The invention discloses an anti-vibration solid-state capacitor for vehicle-mounted electronics, which is suitable for a new energy automobile. The capacitor comprises an external frame and an internal capacitor body, a sliding contact is arranged at the tail end of a lead of the capacitor body, a sliding rod matched with the sliding contact is arranged on the frame, and the bottom end of the sliding rod is connected with a pin. The upper surface and the lower surface of the body are connected with an upper hydraulic buffering mechanism and a lower hydraulic buffering mechanism respectively, and the two buffering mechanisms are connected through a communicating pipe and fixed to the frame through side fixing blocks. During work, vibration enables the body and the frame to move relatively, the sliding block extrudes a buffer solution, the solution flows through the communicating pipe to achieve buffering, and meanwhile the sliding contact slides along the sliding rod to keep the circuit communicated. The capacitor is excellent in anti-vibration effect, stable in electric conduction, high in environmental adaptability, and capable of improving the reliability and prolonging the service life of a vehicle-mounted electronic system.