34results about How to "Guaranteed friction" patented technology

The utility model belongs to the technical field of cleaning supplies, and particularly relates to a layered solid toilet cleaner which comprises a toilet cleaner body, a packaging assembly is arranged outside the toilet cleaner body, and the problems that functional components of the solid toilet cleaner are unreasonably released, and packaging is not easy to tear are solved. When the toilet cleaner is used, a user can hold the anti-slip lines on the surface of the soluble film with one hand, so that the toilet cleaner body can be firmly held, the tearing piece is pinched with the other hand, tearing is carried out along the direction of the second indicating arrow, the outer-layer protective film is torn along the tearing line, a section of the toilet cleaner is exposed, and at the moment, the exposed toilet cleaner body can be held with the hand, and the other half of the outer-layer protective film is taken down. The surface of the toilet cleaner body is wrapped with the easily-soluble film, so that hands are prevented from making contact with the surface of the toilet cleaner body, the easily-soluble film can be rapidly dissolved after making contact with water, use of the toilet cleaner is not affected, and the problem that the package is not easy to open is effectively solved.

The invention relates to a reverse friction buckling-restrained energy dissipation support and a control method, the reverse friction buckling-restrained energy dissipation support comprises a buckling-free energy dissipation unit, a forward constraint unit and a reverse constraint unit, and the forward constraint unit is arranged at one end of the buckling-free energy dissipation unit and is in sliding connection with the end of the buckling-free energy dissipation unit; the reverse constraint unit is arranged at the other end of the buckling-free energy dissipation unit and is fixedly connected with the end of the buckling-free energy dissipation unit; wherein the forward constraint unit and the reverse constraint unit are oppositely arranged, and when the support bears an axial load, the forward constraint unit and the reverse constraint unit respectively follow different end parts of the buckling-free energy dissipation unit to move in opposite directions, so that a reverse friction mechanism is realized. According to the reverse friction buckling-restrained energy dissipation support and the control method, the double-order yield of the buckling energy dissipation support is fused with the support limiting device, meanwhile, the friction force in the energy dissipation core of the buckling restrained support is self-balanced, the deformation uniformity of the support is improved, and therefore the fatigue performance is improved. The overall structure of the support is free of numerous external additional devices, low in manufacturing cost and convenient for engineering application.

The invention provides an arc surface positioning and punching device for driving shaft machining and an operation method of the arc surface positioning and punching device, and relates to the field of punching. According to the arc surface positioning and punching device for machining the driving shaft and the operation method of the arc surface positioning and punching device, swing supports are installed on a base, supported through elastic pieces, provided with triangular structures and rotate around rotating shafts of the swing supports when stressed, the two sets of swing supports are symmetrically arranged, and pressure applying wheels and supporting wheels are rotatably arranged on the swing supports. The pressure applying wheel is used for applying pressing force to the driving shaft, and the supporting wheel is used for supporting the driving shaft; according to the arc surface positioning and punching device for driving shaft machining and the operation method of the arc surface positioning and punching device, rapid positioning and alignment can be achieved, driving shafts with different diameters can be automatically adapted, the driving shafts are directly driven through the friction force between an anti-skid belt and the driving shafts, circumferential angle adjustment is achieved, a winding wheel is controlled to rotate through a double-shaft servo motor, and the working efficiency is improved. And moving the unworn new section of the anti-skid belt to a contact area with the driving shaft to replace the original worn contact surface.

The utility model discloses a gearbox housing snatchs the grab hand belongs to gearbox production technical field. The device includes hoisting subassembly, and hoisting subassembly output is provided with the hoisting plate, and the front clamping plate is fixedly arranged in the hoisting plate front side, and the back clamping plate that cooperates with the front clamping plate is movably connected to the hoisting plate rear end, and the hoisting plate is provided with the clamping mechanism that is used for driving the back clamping plate bottom to draw close to the front clamping plate to hold the gearbox housing for cooperation, and the vertical vibration motor that is used for generating the up and down direction vibration is fixedly arranged on the front clamping plate top. The utility model discloses when using, and the vertical vibration motor is with 200 300Hz high frequency micro amplitude vibration direct action on the shell joint surface, and only needs 5 seconds to make the up and down shell body and internal component accurate adhesion, and the efficiency is improved. The first, second cooperation piece of rubber material guarantees friction force and prevents slipping, and also avoids shell surface damage, and the vibration energy is evenly transmitted through the contact surface simultaneously, thereby improve the overall assembly efficiency.

The application relates to the technical field of welding platforms, and discloses a three-dimensional welding platform with a protection structure, which comprises a machining table, a horizontal moving component is fixedly installed at the front side edge of the machining table, a lifting component is arranged at the top of the horizontal moving component, a deflection component is fixedly installed at the top of the lifting component, a protection plate is fixedly installed at the top of the deflection component, and an adjusting component is fixedly installed at the left end of the deflection component. When welding workpieces at different positions on the top of the machining table, the left hand holds the holding handle, then walks leftward and rightward, the demand for face protection is met, the left hand holds the holding handle again, the pressing switch is pressed by fingers, the output end of the electric push rod is elongated, the mounting plate is driven to move upwards along the guide rod, the holding handle is pushed by the left hand, the rotating shaft rotates in the shaft sleeve, the inclination angle of the protection plate is adjusted, and the purpose of protecting the operator in a large area is achieved.

The utility model discloses a roll adjusting device of a roll grinder, which belongs to the technical field of roll grinders and comprises a first electric guide rail and a protective mechanism, the surface of the first electric guide rail is slidably connected with a clamp seat, the protective mechanism comprises a protective cylinder fixedly connected to the top of the clamp seat, and the inner wall of the protective cylinder is rotatably connected with a screw rod. A first servo motor is fixedly connected to the inner wall of the clamp base, an output shaft of the first servo motor is fixedly connected to the bottom end of a lead screw, a placing base is slidably connected to the inner wall of the protective cylinder, and the surface of the lead screw is in threaded connection to the lower end of the inner wall of the placing base. By means of the mode, the surface of the lead screw is enclosed through the protective cylinder, metal chippings generated in the grinding process are prevented from being attached to the surface of the lead screw, abrasion between the lead screw and the containing base is reduced, the installation effect of the roller is guaranteed, friction between the rotating roller and the containing base is reduced through the balls, and it is guaranteed that the roller is smooth in the rotating process.

The utility model provides a safety protection device for a horizontal machining machine tool base, and relates to the technical field of horizontal machining machine tool bases. The horizontal machining machine tool base comprises a base body, a strip-shaped groove is formed in the base body, and the safety protection device comprises two L-shaped plates. Mounting lugs are mounted at the bottoms of the two L-shaped plates, and two-way threaded rods are connected to the two mounting lugs in a penetrating and threaded mode; an anti-slip strip is detachably mounted on one side of the L-shaped plate; a felt is adhered between the two L-shaped plates; a rotating ring is mounted in the center of the outer side of the two-way threaded rod; an L-shaped groove is formed in the L-shaped plate, the L-shaped plate is provided with a hook face hook-and-loop fastener through the L-shaped groove, the device is plugged into the strip-shaped groove, the anti-slip strip is extruded and fixed into the strip-shaped groove by means of friction force between the anti-slip strip and the base body, the strip-shaped groove is covered with the felt, and therefore the phenomenon that in the machining process of a machine tool, the anti-slip strip is prone to falling off is avoided as much as possible. And scattered metal chips are clamped in the strip-shaped grooves which are not used.

The utility model discloses a work piece feeding device for bamboo wood component drilling equipment, which comprises a drilling workbench and a feeding mechanism, the feeding mechanism comprises a group of isolation plates, and corresponding baffle plates are respectively and fixedly connected between the upper parts of two sides of the isolation plates; the material separating assembly comprises a set of S-shaped blocking and pushing pieces which are installed on the lower portion of the baffle in a swinging mode, and the S-shaped blocking and pushing pieces are driven by a set of synchronous pushing air cylinders respectively; the separation discharging assembly comprises a set of conveying belts, and the conveying belts are installed between the corresponding tensioning rollers in a tensioning mode; the middles of the tensioning rollers are arranged in a concave mode, the middles of the tensioning rollers located on the lower portion are fixedly connected with corresponding cylindrical magnet pieces in a sleeved mode, and the middles of the conveying belts are movably provided with corresponding bearing plates. And the material pushing stop block is used for pushing the bamboo and wood components to the drilling station of the drilling workbench one by one. According to the feeding device, excessive friction of the bamboo components in the feeding process can be avoided, and feeding smoothness can be effectively guaranteed.

The utility model relates to the field of gaskets, in particular to a double-layer stacked saddle-shaped gasket which comprises a main body ring and a limiting ring, the main body ring is in a saddle shape, the limiting ring is also in a saddle shape, the limiting ring is arranged in an inner hole of the main body ring, and the outer side wall of the limiting ring is partially or completely contacted with the inner side wall of the main body ring. The thickness of the limiting ring is larger than that of the main body ring, and two abutting blocks are further arranged on the upper surface of the limiting ring. The limiting ring and the main body ring which are different in thickness are arranged, so that the position of the tightened bolt is limited through the limiting ring, the main body ring can be kept bent to a certain degree, and the anti-loosening performance is kept.

The utility model relates to the technical field of road construction, in particular to a road curb mounting device. Comprising a base, a second telescopic motor, a transverse rod frame, a driving motor, a lead screw and a sliding block are installed at the top of the base, a mounting frame is installed below the sliding block, a third telescopic motor is installed in the mounting frame, a rotating transverse rod is connected to the lower portion of the third telescopic motor, and first connecting rods are rotationally connected to the two ends of the rotating transverse rod; a clamping rod is connected to the lower portion of the first connecting rod through a rotating shaft, and a clamping plate is integrally welded to the bottom of the clamping rod. When the device is used, a third telescopic motor pushes a rotating cross rod to ascend and descend, the rotating cross rod pushes a clamping rod and a clamping plate to unfold or clamp a curb through a first connecting rod, a second telescopic motor pushes a cross rod frame to ascend, and a driving motor drives a sliding block and the curb to move towards an installation foundation pit through a lead screw; and then the position of the curb is adjusted through the sliding block, operation can be conducted by a single person through the mode, and time and labor are saved during installation.

The utility model relates to a kind of toy moving device and toy car, and toy car is provided with toy moving device.In toy moving device, by setting mutually adaptive anti-skid convex part and anti-skid profiling groove structure, and make it be located on wheel frame and bead respectively, on the basis that bead is supported in wheel frame, further formed the physical inlay and interlocking mechanism between wheel frame and bead.Consequently, it significantly enhances the mechanical meshing action force between wheel frame and bead in circumferential and / or axial direction, fundamentally overcomes the inherent defects of simply relying on friction transmission, ensures that rim and tire can still reliably transmit torque under long-term dynamic load.Secondly, the mutual adaptation of anti-skid convex part and anti-skid profiling groove on profile can increase the contact area of rim and bead, so that stress transmission can be carried out through larger area, to avoid excessive wear between rim and tire due to stress concentration, thereby further consolidating the anti-skid effect.

This utility model provides a conveying device at a conveyor junction, relating to the field of conveyor technology. It includes a belt conveyor with a flat belt at its top and a motor at its bottom. A power shaft is located on one side of the motor, and two mounting brackets are located on top of the power shaft. Each mounting bracket has a rotating shaft bracket on its top, and a connecting plate is located on one side of each rotating shaft bracket. The drive pulley is connected to the driven pulley via a bevel gear meshing on its shaft. During conveyor operation, the power shaft drives the round belt via a series of transmissions. Material entering the connecting plate is slightly squeezed by the round belts on both sides, and the friction causes the material to move to the right. A roller is located in the middle of the bottom of the two mounting brackets to reduce material sliding resistance and accommodate small-sized materials. This device utilizes two pairs of meshing bevel gears to ensure that the friction force on both sides of the material is directed to the right, solving the problem of insufficient power supply in transition devices leading to uneven transitions and incomplete material discharge.

The application discloses an automatic soldering machine for electric vehicle controller circuit boards and relates to the technical field of soldering machines.The technical scheme is as follows: the automatic soldering machine comprises a workbench, a moving table, a placing frame, a pressing plate, a pushing mechanism and a mounting rack, the top end of the placing frame is provided with a placing groove for placing circuit boards, the bottom end of the pressing plate is provided with a plurality of sleeves, each sleeve is slidably connected with a supporting column, the pushing mechanism is used for pushing each supporting column to extend downward until abutting against elements on the circuit board, and the mounting rack can be turned over and placed on the moving table, so that the turned-over supporting columns support each element from below, thereby supporting the elements on the circuit board during soldering and reducing displacement or falling of the elements during soldering.

This invention provides a pile foundation structure for offshore wind turbine towers, belonging to the field of offshore wind power technology. The pile foundation structure includes a pile cylinder extending vertically along its axis and cast-in-place piles fixedly installed at the bottom of the pile cylinder. The pile cylinder and the cast-in-place piles are coaxially arranged. Each cast-in-place pile includes a pile tube. Multiple support fins extending along the axial direction are fixedly installed on the outer wall of the pile tube, evenly distributed along the circumference of the pile tube. A protective cylinder is slidably sleeved on the outer wall of the pile cylinder. A fixing plate is fixedly sleeved on the outer wall of the pile cylinder, located above the protective cylinder, to limit the movement of the protective cylinder along its axial direction. A protective frame is fixedly sleeved on the bottom of the outer wall of the protective cylinder. The protective frame includes a fixing disc coaxially arranged with the protective cylinder. Two sets of protective components are fixedly installed at the bottom of the fixing disc to prevent the pile cylinder from sinking and tilting due to geological changes after long-term use.

This invention relates to the technical field of material transfer devices, specifically a method for conveying slotted cylinder liners. This method utilizes an adaptive rotating roller conveyor to transfer slotted cylinder liners from a loading station to a unloading station. The method includes the following steps: placing the slotted cylinder liner onto a material tray, ensuring the concave groove of the cylinder liner is embedded in the limiting block on the tray; starting a reducer to drive a drive sprocket and chain, which in turn drives the rollers to rotate. The rollers include a drive roller and driven rollers, with the drive roller driving each driven roller via a chain; the material tray is transferred from the loading station to the unloading station under the frictional force generated by the drive roller and driven rollers; when the rollers are fully loaded, the pulley on the driven roller rotates freely, and the driven roller does not rotate. This invention reduces friction and wear between the rollers and material trays when the roller conveyor is fully loaded, thus extending the service life of both.

The utility model provides a titanium alloy sheet strain fatigue buckling prevention device structure which comprises a first supporting frame and a second supporting frame which are of an I-shaped structure and arranged oppositely, screw holes formed in the two ends of the first supporting frame and the two ends of the second supporting frame respectively, and fastening bolts matched with the screw holes in size and identical to the screw holes in number. The first supporting frame and the second supporting frame are the same in structure, and the fastening bolts are screwed into the screw holes to fixedly connect the first supporting frame and the second supporting frame. The buckling-restrained device for the strain control fatigue test of the titanium alloy thin plate has the advantages that the distance between the supporting frame and the sample groove is adjusted by arranging the gaskets with different thickness specifications, so that the test requirements of thin plate samples with different thickness specifications can be met, and the applicability of the buckling-restrained device is improved.

The utility model relates to the technical field of road cleaning, and provides an auxiliary engine driven double-fan structure and a high-speed road sweeper. The output end of an auxiliary engine is connected with the input end of a belt wheel transmission assembly, the output end of the belt wheel transmission assembly is connected with a first fan, an adjusting plate is arranged on a mounting frame, and an adjusting frame is movably arranged on the upper portion of the adjusting plate through a first connecting piece; a tensioning wheel is rotationally arranged on the adjusting frame and abuts against a transmission belt of the belt wheel transmission assembly. A negative pressure pipeline is arranged at the top in the compartment and communicated with air inlets of the first fan and the second fan, two dust suction nozzles are symmetrically arranged below the chassis, connected with the first fan and the second fan respectively and connected with an inner cavity of the compartment through a suction and pickup pipeline, and the blocking cover is located above an outlet of the suction and pickup pipeline. The belt wheel transmission assembly is low in maintenance cost, and the transmission efficiency, the stability and the service life of the belt wheel transmission assembly are optimized by adjusting the position of the tensioning wheel.

The utility model relates to air conditioner air pipe cleaning technical field especially discloses an airport air conditioner air pipe dust cleaning device, including the chassis, both ends of chassis are rotatively connected with the track, every cleaning mechanism includes the installation shaft, the cleaning roller and the cleaning plate, the outside fixed mounting of cleaning roller has a plurality of brush hairs, when the track rotates and removes to the cleaning roller, the brush hair on cleaning roller surface contact with the track, because the cleaning roller rotatively connected in the outside of installation shaft, under the track friction drive, the cleaning roller rotates, and the brush hair unceasingly rubs with the track surface, makes the dust that adheres on the track loose, and along with the rotation of cleaning roller, the brush hair and the sharp board on the cleaning plate realize self-cleaning, and the brush hair makes the dust on the track loose and makes the dust fall, reduces the track abrasion, maintains the friction between the track and the air pipe, guarantees the moving stability of track type chassis, prevents the problem such as skidding, power transmission not smooth, and further guarantees the normal travel and operation efficiency of cleaning device.

This invention provides a substrate handling apparatus that can more reliably transfer a substrate from a preceding process device. The substrate handling apparatus includes: a conveyor belt for transferring a substrate from the preceding process device; a drive source for rotating the conveyor belt; and a control device that controls the drive source to keep the rotation speed of the conveyor belt below the speed at which the substrate is transferred from the preceding process device before the front end of the substrate is transferred to the conveyor belt, and controls the drive source to accelerate the rotation speed of the conveyor belt based on the timing of the transfer of the front end of the substrate from the preceding process device to the conveyor belt, thereby transferring the substrate from the conveyor belt.

The invention relates to the technical field of railway vehicle braking, and discloses a basic braking device for a digital rail train, which comprises a bracket, a brake disc, a support frame and a pushing assembly, the bracket is provided with a limiting groove for circumferentially limiting the brake assembly, circumferential friction force is directly transmitted to a train body, and the support frame is prevented from being over-positioned due to bending moment deflection; the supporting frame and the bracket are in sliding connection through the guide pin and the guide cylinder, two-stage sliding of the brake assembly and the brake disc is achieved, the brake assembly can symmetrically clamp the brake disc and counteract axial thrust step by step, and the brake stability is improved. Meanwhile, the guide cylinder is provided with the oil injection nozzle and the detachable cylinder cover, the brake assembly can be rapidly disassembled and assembled without disassembling parts such as wheels, lubricating grease is conveniently replaced, and the maintenance process is simplified.

The utility model relates to the technical field of lifting appliances, and discloses an integral wheel transverse type lifting appliance which comprises a sling, a lifting hook rib plate is hung at the bottom end of the sling, a lifting hook U-shaped plate is fixedly connected to the inner side of the lifting hook rib plate, an anti-skid pad is fixedly connected to the inner wall of the lifting hook U-shaped plate, an adjusting assembly is arranged on the surface of the lifting hook rib plate, and the lifting hook rib plate is fixedly connected with the lifting hook U-shaped plate. The adjusting assembly comprises a first mounting seat and a second mounting seat, and the outer wall of the first mounting seat is fixedly connected to one side of the outer surface of the lifting hook rib plate. According to the utility model, through the adjusting assembly, the bidirectional threaded rod supported by the first mounting seat and the second mounting seat and the guide rod, the two adjusting clamping seats which are arranged in a mirror image manner are driven to symmetrically move, and are matched with the U-shaped plate of the lifting hook, so that different placement states of the whole wheel can be adapted, the lifting appliance does not need to be replaced, and stable clamping of objects with different specifications is realized; the clamping symmetry and balance are guaranteed, the lifting stability is enhanced, and the adaptability and the use safety of the lifting appliance are improved.

The utility model relates to the technical field of cylinder cover machining, and provides a cylinder cover high-precision plane grinding device of a plane grinding machine, which comprises a plane grinding machine, a moving table is movably arranged on the surface of the plane grinding machine, a cylinder cover fixing table is arranged on the surface of the moving table, and a sliding groove is formed in the surface of the moving table; the bottom end of the cylinder cover fixing table is fixedly connected with a sliding block, and the sliding block and the sliding groove are arranged in a sliding connection state; the limiting column is arranged at the top end in the sliding block, the limiting column is arranged in the sliding block, and a moving groove is movably formed in the limiting column; the cylinder cover high-precision plane grinding device solves the problems that when a cylinder cover high-precision plane grinding device of a plane grinding machine in the prior art is used for machining, a cylinder cover fixing table and a moving table are generally connected in a bolt fixing mode, an operator needs to use a wrench and other tools to unscrew bolts one by one in the using process, and a large amount of time is consumed.

This utility model discloses a pressurized coffee component extraction device, belonging to the field of coffee component extraction. The pressurized coffee component extraction device includes a coffee machine, a pressurized water inlet connected to the output end of the coffee machine, a filter pot disposed on the front of the coffee machine, the filter pot being fitted onto the surface of the pressurized water inlet, coffee powder stored inside the filter pot, a support being disposed at the bottom of the filter pot, and a transmission structure disposed on the surface of the coffee machine. The transmission structure utilizes the support to drive the filter pot upwards and change the distance between it and the pressurized water inlet. The transmission structure includes a connecting frame fixedly connected to the right side of the coffee machine. This utility model directly adjusts the impact force of the high-pressure water flow on the coffee powder by changing the distance between the filter pot and the pressurized water inlet. A smaller distance increases the water pressure and improves extraction efficiency; a larger distance reduces the pressure and avoids over-extraction, thus solving the problem of gradual concentration reduction caused by traditional fixed pressurization.

This utility model discloses an adjustable edible fungus bagging machine, relating to the field of edible fungus production technology. It includes a bagging mechanism, which comprises a base. A feeding mechanism is connected to the upper end of the base, and a feeding port is installed at the upper end of the feeding mechanism. Adjustment mechanisms are provided on both sides of the feeding port, each including an adjustment seat. The adjustment seat is connected to the feeding mechanism via a transmission connection. An inner groove is provided inside the adjustment seat, and a guide frame is slidably connected inside the inner groove. One end of the guide frame is fixedly connected to an end plate. This utility model, through the arrangement of bolts and springs, allows the bolts to be rotated during use, according to the size of the bag opening and the required force, compressing the spring to the desired force. At this point, when the bag is opened, the range of force fluctuation is small, and even with varying degrees of opening, the force difference is small, resulting in high stability and convenient adjustment. The applied force can be measured.

The utility model is suitable for the technical field of bearing bush wear degree detection, and provides a bearing bush wear degree detection device which comprises a platform, a frame is vertically installed on the top of the platform, a rectangular cylinder is arranged on the top of the platform, a lifting assembly is arranged on the top of the rectangular cylinder, a compensation assembly is arranged in the rectangular cylinder, and a C-shaped body is installed on the top of the platform. The bearing bush wear degree detection device is provided with the springs and the lifting body, and when a workpiece is detected, the plurality of springs installed in the rectangular cylinder can push the lifting body to move downwards due to the fact that the workpiece can become thin in the long-time friction process, so that the bearing bush wear degree detection device can be used for detecting the wear degree of the workpiece. And it is guaranteed that the friction roller can make contact with the arc all the time to rub the arc.

The present application relates to material conveying technical field, specifically to a kind of tunnel type heating conveying equipment, and tunnel type heating conveying equipment includes furnace seat and adjusting mechanism;Furnace seat is provided with conveying belt and roller chain, and conveying belt is formed with closed conveying loop on furnace seat;Roller chain extends along the width direction of conveying belt, and is formed with closed movement loop on furnace seat;Roller chain has a plurality of first and last articulated chain rollers, and chain roller extends along the movement path of roller chain;Each chain roller is all sleeved with deviation correction sleeve, deviation correction sleeve can rotate around its axis, and and conveying belt friction contact;Adjusting mechanism is configured to adjust the distance of roller chain movement in reverse according to the offset of conveying belt.When conveying belt appears offset, through the reverse axial movement of deviation correction sleeve, and under the action of friction force, conveying belt is moved synchronously, deviation correction of conveying belt is realized, so that it can effectively avoid the wear of conveying belt caused by relative sliding, and also can avoid that conveying belt bears high stress for a long time.

The utility model relates to the technical field of railway anti-slip equipment, in particular to a reinforced anti-slip iron shoe which comprises a shoe sole and a shoe body arranged at the top of the shoe sole, and the front end of the shoe body is provided with a tread which is concave inwards and is of an arc-shaped structure. Shoe edges are arranged on the two sides of the shoe sole, a first high damping block is arranged on the inner side of one shoe edge, a damping assembly capable of horizontally moving is arranged on the inner side of the other shoe edge, the damping assembly is connected with a guiding piece penetrating through the shoe edge, and a locking assembly used for fixing the damping assembly is further arranged on the shoe edge; reinforcing frames are fixedly arranged on the outer sides of the shoe edges, rear acting plates fixedly connected with the reinforcing frames are arranged at the rear ends of the shoe soles, the lower portions of the reinforcing frames and the lower portions of the rear acting plates extend to the positions below the rails, and buffering blocks corresponding to sleepers are symmetrically arranged on the outer sides of the lower portions of the rear acting plates. The friction force between the shoe edge and the track is increased, and kinetic energy of a runaway railway vehicle is consumed through ballast bed resistance, so that runaway of the railway vehicle can be effectively prevented, and the braking anti-slip effect is improved.

The utility model discloses a kind of electric wire cable length measuring devices, including measurement base, the top of measurement base is fixedly connected with portal frame, the portal frame is installed with the measurement component for cable length measurement, the top of the portal frame and the position corresponding the measurement component is installed with the limiting component for the cable to be measured limiting, the both sides of measurement base top are installed with the guide component for the cable to be measured guiding, the measurement component includes measurement shaft rotatably installed on the portal frame, metering wheel is fixedly connected on the measurement shaft, the end of the measurement shaft is installed with encoder. The utility model realizes the self-adaptive limiting clamping of different thick and thin cable and the self-adaptive adjustment of cable tension, effectively improve the accuracy and stability of cable length measurement, while having the advantages of stable structure, reliable operation etc., and has wide application prospect in electric wire cable length measurement field.

The utility model discloses a general connection type heating handle sleeve for an electric vehicle handle, which belongs to the technical field of electric vehicles, comprises a rubber sleeve and an inner core, and is characterized in that the rubber sleeve covers the surface of the inner core, one end of the rubber sleeve is open, two ends of the inner core are open, and a first cylinder section is arranged at one end, close to the opening of the rubber sleeve, in the inner core; a first conical section is arranged at the end, away from the opening of the rubber sleeve, of the interior of the inner core, the first conical section is connected with the first cylinder section, the inner diameter of the first cylinder section is kept consistent, and the inner diameter of the first conical section is gradually reduced in the direction away from the first cylinder section; according to the utility model, the stability of the connection between the handlebar sleeve and the conical handlebar is effectively improved, and meanwhile, hands are not cold even if the handlebar is held without wearing gloves, so that the riding safety is effectively ensured.

The application discloses a raw material intelligent conveying machine for processing donkey-hide gelatin, which comprises a rack, and a PLC controller is fixedly installed outside the rack. The application also discloses a raw material intelligent conveying machine method for processing donkey-hide gelatin, which comprises the following steps: S1, parameter pre-setting; S2, conveying and weight detection; S3, self-adaptive tension adjustment; S4, self-adaptive cleaning treatment; and S5, drying and anti-slip treatment. The piezoelectric sensor is used to collect weight data of the conveyed donkey skin in real time, and the PLC controller is used to drive the tensioning mechanism, so that the conveying load real-time detection and the conveying belt tension self-adaptive adjustment are realized, and the cleaning strength and the conveying load are adaptively matched; the cleaning assembly is used to realize the online deep cleaning of the conveying belt and the water circulation utilization, and the hot air drying closed-loop treatment is used, so that the slipping and glue residue problems of the donkey-hide gelatin conveying are reduced, and the core demand of the food-grade large-scale continuous production of donkey-hide gelatin is met.