195 results about "Sliding contact" patented technology

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 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.

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.

The manufacturing method of the disc spring is as follows: the disc spring has a spring body (1e) formed in a ring shape, the spring body (1e) has an outer peripheral surface (1a) facing the outer side in the radial direction, an inner peripheral surface (1b) facing the inner side in the radial direction, an outer peripheral edge (1c) which is an end surface of the outer side in the radial direction, and an inner peripheral edge (1d) which is an end surface of the inner side in the radial direction, in a state where a support body (11) supporting at least the outer end portion in the radial direction of the inner peripheral surface (1b) exerts an axial compression force along the central axis of the spring body on the spring body, the support body and the spring body are relatively rotated around the central axis while being in sliding contact with each other, so as to exert a compression residual stress on at least the outer end portion in the radial direction of the inner peripheral surface.

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.

This utility model discloses an assembly structure and an odor control system, belonging to the technical field of electronic equipment. It includes a first housing, a second housing, and at least one decorative panel. The first housing is mounted on the second housing, and at least a first decorative surface is formed on the outer surfaces of both housings. A mounting cavity is formed between the first and second housings. The first or second housing has mounting holes located on the first decorative surface. On the first decorative surface, the first housing has a first guide rail, and the second housing has a second guide rail. The two sides of the decorative panel slide against the first and second guide rails respectively, covering the first decorative surface. The decorative panel conceals the mounting holes on the first decorative surface, preventing them from being exposed and improving the appearance of the assembly structure. Installation is convenient through sliding contact with the guide rails, improving the stability of the decorative panel.

The present application relates to a kind of grinding device for broaching machine workbench, broaching machine workbench includes fixed pedestal with arc slide and the slide seat of the arc slide in the fixed pedestal slidably set in, the inner wall surface of the arc slide of the fixed pedestal is marked as first arc surface, the slide seat has second arc surface that can be in sliding contact with the first arc surface, including support seat for the fixed pedestal is placed on and the support frame opposite the fixed pedestal is fixed, the support frame is equipped with first drive mechanism, the power output end of this first drive mechanism is connected with the slide seat, and the slide seat is driven along the arc slide of the fixed pedestal reciprocating sliding displacement.Optimal point is in: compared with traditional manual shovel scraping form, its efficiency is higher, and grinding effect is also more stable.

The application provides a carrying toy, which comprises a spiral ramp (11) which is wound in a spiral shape to form a hollow part in a cylindrical shape and can place an object on a road surface; and a push plate (32) which is arranged in the hollow part and has a rotating shaft along a center line of the hollow part, a push-up mechanism (30) which pushes and presses the object (70) through rotation of the push plate (32) to push the object (70) up on the spiral ramp (11), and an outer wall (11a) which is arranged vertically at an outer edge of the road surface and is in sliding contact with the object (70) during the push-up, wherein the road surface is configured such that a part of the object (70) placed on the spiral ramp (11) protrudes into the hollow part, the push plate (32) rotates in the hollow part and pushes the part of the object (70) protruding from the road surface. The carrying toy has the characteristics of simple structure.

The present disclosure provides a camera module and a digital device including the camera module. The camera module includes a movable assembly and a fixing assembly. The movable assembly includes a carrier and a first rolling member arranged on a side wall of the carrier, and the first rolling member has a protruding surface protruding from the side wall of the carrier. The fixing assembly includes a base. The base is provided with a first support member, and the first support member is provided with a metal guide rail extending along a direction of an optical axis. When the carrier is installed on the base, the protruding surface of the first rolling member comes into contact with the metal guide rail, and when the movable assembly moves, the first rolling member moves with the movable assembly and forms a rolling or sliding contact with the first support member.

This utility model discloses a multi-groove rubber oil seal for shaft sealing, relating to the field of oil seal technology. The multi-groove rubber oil seal for shaft sealing includes a sealing rubber with a skeleton fixedly installed inside. The sealing rubber has an atmospheric side surface and a sealing medium side surface on its two sides. The inner circle of the sealing rubber has a main sealing lip, a first secondary sealing lip, and a second secondary sealing lip. The inner circle of the main sealing lip has a first sliding contact surface, the inner circle of the first secondary sealing lip has a second sliding contact surface, and the inner circle of the second secondary sealing lip has a third sliding contact surface. The second sliding contact surface has micro-spiral raised textures. The sealing rubber has a first annular groove and a second annular groove inside. A first spring is fixedly installed inside the first annular groove. This utility model can improve the overall sealing reliability of the oil seal, effectively prevent medium leakage, and extend the service life of the oil seal.

The application relates to the technical field of electrical connection equipment, in particular to a wiring device. The wiring device comprises a shell, an engineering wiring end, a connection mainboard end and an adjusting mechanism. The engineering wiring end comprises a plurality of first terminals. The connection mainboard end comprises a plurality of second terminals. The adjusting mechanism is arranged on the shell and comprises a plurality of connecting pieces, the plurality of connecting pieces are arranged at intervals along the thickness direction, and the plurality of connecting pieces are electrically connected with the plurality of first terminals respectively. A plurality of wiring sliders are in sliding cooperation with the plurality of connecting pieces respectively, and the wiring sliders are electrically connected with the connecting pieces through sliding contact. The plurality of second terminals are electrically connected with the plurality of wiring sliders respectively. The wiring device can realize flexible adjustment of the position between the engineering wiring end and the connection mainboard end under the premise of ensuring the reliability of electrical connection, so as to adapt to different terminal spacings and layout requirements.

This application relates to the field of inspection equipment, and in particular to an intelligent inspection robot. It includes a track and a robot body. The track is I-shaped and has guide rail grooves, auxiliary rail grooves, and a sliding contact line. The robot body slides in contact with the sliding contact line via a current collector and is suspended on the track by drive wheels and auxiliary wheels. It also includes anti-collision radar, personnel monitoring probes, a lifting mechanism, a discharge detection mechanism, a rotating mechanism, and a rotating gimbal. The track and robot body also have lateral auxiliary grooves and lateral auxiliary wheels. This application achieves the technical effect of enabling the robot to run stably along the track, realizing lifting and rotating movements, possessing multiple functions such as discharge detection, environmental monitoring, and image acquisition, effectively performing inspection work, and avoiding collisions to ensure safety.

This utility model discloses an electrical connection mechanism for a telescopic curtain machine, comprising two independent first conductive components, two independent second conductive components, and a transfer component; the transfer component includes two contact conductive plates; the first conductive components are disposed on the first track, one end of each of the two first conductive components is electrically connected to the first drive assembly, and the other end is electrically connected to the two contact conductive plates respectively; the second conductive components are disposed on the second track, one end of each of the second conductive components is electrically connected to the second drive assembly, and the two second conductive components are in sliding contact with the two contact conductive plates respectively. This electrical connection mechanism enables the two sets of drive assemblies in the telescopic curtain machine to work synchronously, and the extension and retraction adjustment does not affect the passage between the two sets of drive assemblies.

This utility model discloses a brush-type rocker potentiometer, comprising a body, an upper rocker arm, a lower rocker arm, a rocker, a support, a spring, a slider, a brush, a circuit board, and a fixed bracket. The rocker passes sequentially through the body, the upper rocker arm, and the lower rocker arm and is connected to the lower rocker arm. The lower end of the rocker has an axially oriented central hole. The cylindrical portion of the support is movably inserted into the central hole of the rocker, and the spring is installed inside the cylindrical portion, with its upper end abutting against the rocker. The fixed bracket is connected to the body, and the circuit board is mounted on the fixed bracket. The disc-shaped base of the support passes through the central hole of the circuit board and abuts against the fixed bracket. The swing portions of the upper and lower rocker arms are movably connected to the slider. The circuit board has a carbon film resistor, and the brush is mounted on the lower side of the slider, with the brush contacting and engaging with the carbon film resistor. The rocker and support of this utility model can stably and reliably perform tilting and repositioning operations, and the slider drives the brush to maintain stable and reliable sliding contact with the carbon film resistor.

A meat-cutting device comprises: a case; and a movable blade (13). The case has an opening (11). The movable blade (13) is rotatably supported inside the case and operates so as to move across the opening (11) and cause a cutting target portion (7) of meat (6) to be sandwiched between the edge of the opening (11) and the movable blade, thereby cutting the cutting target portion (7). The movable blade (13) comprises a support block (37) and a movable blade body (38). The support block (37) has a spherical outer surface that can move in sliding contact with or in proximity to the edge of the opening (11), and an attachment hole (39) is formed in said outer surface. The movable blade body (38) has a cylindrical wall (40) that is attached to the attachment hole (39) in the support block (37), and a blade edge (40e) is formed on an end surface, of the cylindrical wall (40), protruding outward from the attachment hole (39). The movable blade body (38) is detachably attached to the support block (37).

The utility model discloses a mine valve with dust removal structure, including the valve body, the lateral surface of valve body is equipped with the opening, the opening inside sliding is equipped with the gate, the gate is connected with screw rod drive mechanism, the lateral surface fixed of valve body is equipped with the dust cover, the utility model discloses compared with prior art has the following benefits: the utility model discloses a mine valve with dust removal structure, has fixedly installed the dust cover on the lateral surface of valve body, has completely wrapped the gate and screw rod drive mechanism, forms the closed environment, prevents the dust contact of drawing when to screw rod. In addition, the one end of gate away from valve body additionally has added the baffle, the top of baffle still has fixed the sealing block of sliding contact with the inner surface of dust cover top, thereby makes the dust that gate took out is isolated in the closed cavity that the top of gate, baffle, dust cover and the lateral surface of valve body constitute, avoids the dust contact to screw rod, further strengthened dustproof effect.

This invention relates to the field of seismic isolation bearing technology, specifically a horizontal seismic isolation bearing based on air springs, comprising a lower connecting steel plate, an upper connecting steel plate, a lead-core rubber bearing element, a supporting sliding element, a sector-shaped air spring, and a dust cover. The lead-core rubber bearing element is fixedly connected to the upper part of the supporting sliding element, and the supporting sliding element and the lower connecting steel plate are connected through sliding contact, forming a sliding friction pair. Multiple sector-shaped air springs are arranged circumferentially around the supporting sliding element, and the outer sides of the sector-shaped air springs are connected to steel limiting rings fixed to the lower connecting steel plate. The sector-shaped air springs are internally equipped with limiting devices and buffer rubber to prevent excessive displacement and compression damage. A dust cover is installed on the upper part of the steel piston rod of the sector-shaped air spring. The bearing of this invention can automatically adjust its working state according to the earthquake intensity, primarily using sliding and air springs during minor earthquakes, and activating the lead-core rubber for energy dissipation during major earthquakes, achieving intelligent graded seismic isolation.

A prefabricated sliding contact mobile support platform includes a guide sleeve, an outer rotating seat of which a plug is slidably installed inside. A sliding bolt is slidably inserted inside the guide sleeve, and one end of the sliding bolt is fixedly connected to a bolt. A nut is threaded onto the outer thread of the bolt. A first mounting seat is slidably fitted onto the outer side of the bolt, and the plug and sliding bolt are interlocked. The guide sleeve includes a sleeve body, one end of which is fixedly connected to a second mounting seat. By rotating the rotating seat, the plug is moved away from the upper side of the sliding bolt. The sliding bolt is pulled to adjust its length. After adjustment, the rotating seat is operated to rotate the plug directly above the sliding bolt. Then, the nut is tightened to press the first mounting seat. As the sliding bolt retracts into the guide sleeve under reaction force, and the bolt's hole aligns, the plug is inserted into the sliding bolt to lock it in place. Tightening continues until the first mounting seat is pressed firmly against the target, facilitating length adjustment for support.

This invention discloses a stern tube concentricity testing fixture, comprising a front positioning fixture and a rear positioning fixture. The front positioning fixture includes upper and lower U-shaped adjusting components, two central insertion sleeves, an upper pointed corner positioning component, a lower sliding contact component, and a central beam positioning component. The central beam positioning component includes a positioning beam emitter, an upper position adjusting component, a positioning beam receiver, a lower position adjusting component, and a central moving component. The central moving component has a vertical sliding groove and transverse mating grooves along both sides. The upper position adjusting component is fixedly connected to the positioning beam emitter and adjusts its position, while the lower position adjusting component is fixedly connected to the positioning beam receiver and adjusts its position. The positioning beam emitter and receiver of the front and rear positioning fixtures cooperate to complete the coaxiality test. The coaxiality test has high precision and accuracy; if any set does not align, the part is determined to be scrapped.

The present invention provides an external gear pump that can suppress a reduction in the volumetric efficiency of the pump even when the liquid being sucked in and discharged is a liquid with low lubricity, such as water. [Solution] The casing 1 includes a main body member 3 that slides against one side of both gears 11 and 12. The main body member 3 divides the sliding contact surface 3A that slides against one side of both gears 11 and 12 into a discharge pressure acting region where the force based on the discharge pressure of the liquid being drawn in and discharged acts in the axial direction away from both gears 11 and 12, and an suction pressure acting region where the suction pressure of the liquid being drawn in and discharged acts. The main body member 3 divides the back surface 3B, which is the back side of the sliding contact surface 3A, into a back discharge pressure acting region 19 where the force based on the discharge pressure of the liquid being drawn in and discharged acts in the axial direction approaching both gears 11 and 12, opposite to the force acting in the discharge pressure acting region. The back discharge pressure acting region 19 is shaped to overlap with the discharge pressure acting region in a plan view, but not overlap with the suction pressure acting region.

The utility model discloses a track slide contact line with prevent falling structure belongs to slide contact line technical field, including U type jointless safety slide contact line, the outer surface sliding connection of U type jointless safety slide contact line has the shell, the outer surface sliding connection of shell has the suspension clamp, both sides of suspension clamp all are through the electromagnetic block adsorption and have polishing assembly, through setting polishing assembly and cleaning component, can regularly by sponge can first soften to copper rust to the part of loose rust mark and dust of pre -removal, reduce the dust when polishing, again by fine sand board can to the copper rust of U type jointless safety slide contact line surface more stubborn fine polishing, to guarantee the cleanliness of copper rust removal, can prevent copper rust from adhering on the current collector brush and lead to the conductivity performance decline and cause equipment power failure shutdown, still can reduce the contact resistance when the current collector operation, avoid the wear or the risk of falling of brush because of the resistance too big.

This utility model relates to the field of vacuum packaging machine technology and discloses an anti-overflow food vacuum packaging machine, including a base, a side plate fixedly connected to one side of the base, a top plate fixedly connected to the top of the side plate, a vacuum tube fixedly inserted into the center of the top of the top plate, and two symmetrical clamps slidably arranged on the top of the top plate. The top of the base has two symmetrical sliding grooves, and a first bidirectional threaded rod is threaded between the two sliding grooves. The opening of the packaging bag containing food can be clamped by the two sliding clamps. After clamping, the bottom of the clamped bag opening is sealed by the sliding contact of the two clamping rubber blocks. Vacuuming is performed by the vacuum tube using an air extraction device. After vacuuming, the bag is heat-sealed by a heating seal strip and cut by a cutting blade. During the overall food vacuuming process, the problem of food easily overflowing is avoided.

This application discloses a movable ship unloader trolley track end limiter, relating to the field of mobile limit vehicle technology. It includes a base, a traveling part with a self-locking structure, and a first and second limit plates respectively positioned at different heights on the base. The base is arranged on the side of the trolley track. The second limit plate is horizontally slidably connected to the base via a telescopic assembly, and a pin is provided at the sliding point. The technical advantages of this application are: by vertically and sequentially setting the second and first limit plates, the adaptability of the ship unloader trolley to height-related limit is improved. When the fixed position of the base is different, the translatable second limit plate can arbitrarily adjust its distance from the lower limit switch, ensuring effective triggering at all times. The top of the sliding rod has an axially shaped guide groove, and a positioning hole is located at the bottom of the sliding rod, so that the pin not only locks the position of the sliding rod after sliding contact, but also enhances the stability of the sliding rod during sliding.

This application belongs to the field of vehicle steering technology and discloses a steering system. The steering system includes a housing, a steering drive shaft, and an anti-rotation component. A limiting groove is formed on the side wall of the housing, and a first guide surface is provided on both opposite sides of the limiting groove along a first direction. The steering drive shaft is movably disposed within the housing along a second direction. The anti-rotation component includes a fixing member and an anti-rotation slider. The anti-rotation slider is connected to the steering drive shaft through the fixing member. The anti-rotation slider is provided with a second guide surface, which slides in cooperation with the corresponding first guide surface. An oil reservoir is formed on the second guide surface, and an overflow groove is provided on both opposite sides of the oil reservoir along the second direction. One end of the overflow groove communicates with the oil reservoir, and the other end extends to the surface of the anti-rotation slider on the corresponding side along the second direction. This steering system can prevent lubricating medium from accumulating at the front and rear ends of the anti-rotation slider, ensuring that the lubricating medium is evenly distributed on the sliding contact surface and reducing wear between the anti-rotation slider and the housing.

This invention provides a switchable conductive slip ring device with extended lifespan, comprising a housing, a conductive ring, a switchable control assembly, and a sliding contact. The conductive ring is sleeved on a first positioning shaft and rotates around it; the sliding contact is rotatably connected to a second positioning shaft, the two positioning shafts being parallel and offset. The sliding contact is located outside the conductive ring and extends radially along the second positioning shaft to form a first contact and a second contact. The switchable control assembly includes a compression spring and a top block, the top block having an inclined surface facing the conductive ring and slidingly engaging with the sliding contact. The sliding contact has two operating states: in the first state, the compression spring causes the first contact to abut against the conductive ring, and the second contact separates; in the second state, the top block moves, driving the sliding contact to rotate, the second contact abuts against the conductive ring, and the first contact separates. This application has the advantage of enabling long-term continuous and stable operation with only a single rapid switch, thus extending the lifespan of the conductive slip ring.