59results about How to "Reduce lateral impact" patented technology

The invention belongs to the technical field of wave energy, and discloses a double hydraulic cylinder heave swinging type wave energy capture device comprising a float, a first transmission rod, a first hydraulic piston, a first hydraulic cylinder, a first rod, a second transmission rod, a second hydraulic piston, a second hydraulic cylinder, a second rod and a bearing table. The float is connected to the first transmission rod by welding, the upper side of the first transmission rod is connected to the first hydraulic piston by hinging, the middle of the first transmission rod is connected to the second transmission rod by hinging, the first hydraulic piston is mounted in the first hydraulic cylinder connected to the first rod by welding, the first rod is connected to the second transmission rod by hinging, the second transmission rod is fixed on the bearing table by hinging, the right of the second transmission rod is connected to the second hydraulic piston by hinging, the second hydraulic piston is mounted in the second hydraulic cylinder connected to the second rod by welding, and the second rod is connected to the bearing table by hinging.

A packaging method includes providing a substrate, wherein a surface to be bonded of the substrate is a first surface to be bonded; providing a plurality of chips, wherein surfaces to be bonded of thechips are second surfaces to be bonded; providing a thin film type packaging materials; forming a bonding layer on at least one of the first surface to be bonded and the second surfaces to be bonded;after forming the bonding layers on at least one of the first surface to be bonded and the second surfaces to be bonded, arranging the first surface to be bonded and the second surfaces to be bondedoppositely and placing the chips on the substrate; after the chip is placed on the substrate, adopting a thermocompression bonding process to realize bonding of the substrate and the plurality of chips through the bonding layer, and filling a packaging material between the chips and the substrate and covering the chip, and using the packaging material after the thermocompression bonding process asa packaging layer. Through the thin film type packaging material, the probability of chip drift in the thermocompression bonding process is reduced, and the yield and reliability of the packaging structure are improved. Moreover, the bonding between the substrate and the chips is realized synchronously by the thermocompression bonding process, and the packaging efficiency is improved.

The invention relates to the technical field of petroleum and natural gas exploitation, in particular to a centering device for underground exploitation tools. According to the technical scheme, an inner centering sleeve is of an annular ring body structure; a spring base is in a cylindrical shape, and is fixedly connected to an inner centering sleeve through a screw; a centering ball is placed in the spring base; an outer centering sleeve is composed of an upper half ring and a lower half ring, the upper half ring and the lower half ring are fixed through a locking screw, and inner centering sleeve blind holes and outer centering sleeve through holes are evenly circumferentially formed to be three respectively and evenly circumferentially formed to be six in total; an upper connector is in a cylindrical shape, one end of the upper connector is provided with an inner thread, the other end of the upper connector is provided with an outer thread, the upper connector is provided with a center through hole, and the middle part of the upper connector is provided with a step; a lower connector is in a cylindrical shape, one end of the lower connector is provided with an inner thread, the other end of the lower connector is provided with an outer thread, and the lower connector is provided with a center through hole. The centering device for underground exploitation makes an exploitation tool successfully pass through an irregular well diameter, and achieves the purpose of reducing upper-hoist-lower-put friction and transverse impact simultaneously.

The invention discloses a utility tunnel, and belongs to the field of municipal infrastructure construction. The utility tunnel comprises a tunnel body which is internally provided with a partition plate, and the lower surface of the partition plate and the tunnel body form a sewage disposal area. The utility tunnel is characterized in that the partition plate is provided with a water treatment device and a water storage box; the water treatment device comprises a silt separator and a water treatment machine; the silt separator is connected with the water treatment machine through a first clear water pipe; the water treatment machine is connected with the water storage box through a second clear water pipe; a water outlet pipe penetrating out of the tunnel body is connected to the water storage box; the tunnel body is further internally provided with a protection box; the water treatment machine is located in the protection box; a shockproof base is arranged on the partition plate and provided with a groove body; a foam plate is embedded in the groove body; and the protection box is fixed to the foam plate. According to the utility tunnel, the inner space of the tunnel body is reasonably utilized, all the components are reasonably laid out, the water treatment machine is stable in operation and good in shockproof performance, and good converting of sewage and rainwater can be effectively ensured.

The invention relates to a lane recognition and lane keeping method and terminal equipment. The lane recognition and lane keeping method comprises the following steps of S1, recognizing a related lanein a road of a vehicle and recognizing vehicle information of an adjacent vehicle of the vehicle on the related lane; S2, judging a safety grade of the related lane of the adjacent vehicle accordingto the vehicle information of the adjacent vehicle, wherein the safety grade comprises safety and danger; S3, judging the type of a forward lane of the vehicle according to the vehicle information ofthe adjacent vehicle, wherein the type comprises a straight lane and a curve; and S4, according to the safety grade of the related lane and the type of the forward lane, controlling the vehicle to runaccording to a corresponding target steering angle. According to the lane recognition and lane keeping method, by recognizing the types of the adjacent lane and the forward lane and combining the adjacent vehicle on the adjacent lane, corresponding vehicle controls are carried out for different road conditions so that the vehicle running is safer and more comfortable.

The invention discloses a mechanical drilling machine capable of realizing ergonomic hole depth adjustment and deflection prevention. The mechanical drilling machine capable of realizing ergonomic hole depth adjustment and deflection prevention structurally comprises a grip, a handle, a carbon brush cover, an ergonomic shouldering device, a device main body, a location and hole depth adjustment device, a drill rod, a drive motor and a shaft coupling, wherein the grip is fixed to the left side of the lower end of the device main body through a screw; and the handle is connected to the right side of the lower end of the device main body through glue. According to the mechanical drilling machine capable of realizing ergonomic hole depth adjustment and deflection prevention, the ergonomic shouldering device is arranged, and a spherical inner groove, a rolling ball and a ball body slide head are mutually cooperated, so that a rubber cover and the soft tissues of the shoulders of a human body are mutually bonded, the comfort is improved, and the transversal impact force is reduced; the location and hole depth adjustment device is arranged, and a deflection prevention plate and an inner rod are mutually cooperated, so that a correct drilling angle is ensured, and the occurrence of waste holes is reduced; and a stop block, a depth gauge and a push-pull location structure are mutually cooperated, so that the accuracy of a hole depth, and the drilling efficiency are ensured.

The invention discloses an anti-collision buffer device capable of absorbing collision energy. The anti-collision buffer device comprises energy absorbing anti-collision mechanisms and reversing buffer mechanisms, wherein the energy absorbing anti-collision mechanisms are clamped on a front transverse beam and a back transverse beam of a chassis; the energy absorbing anti-collision mechanisms are distributed on a left longitudinal beam, a right longitudinal beam and corners; clamp grooves are respectively distributed on the upper and lower ends of the outside surfaces of the front transverse beam and back transverse beam; locking bolt holes are respectively formed in the front transverse beam and the back transverse beam above the clamping grooves; each energy absorbing anti-collision mechanism comprises an arc-shaped plate body, each arc-shaped plate body is distributed with a plurality of inwards and outwards bent energy absorbing buffer bending surfaces, and both sides of each arc-shaped plate body are clamped into the clamping grooves; each reversing buffer mechanism comprises a groove-shaped plate, a rubber pad pier is clamped into the bottom clamping groove of each arc-shaped plate, and drums are clamped and distributed between the arc-shaped plates at the outsides of the rubber pad piers at equal intervals. The anti-collision buffer device has the advantages that the protection function is realized by quickly absorbing shock energy; by arranging the drums of the buffer mechanisms, the shock force is conveniently changed, so that the transverse shock force is directly weakened, and the integrated buffer effect is good.

The invention provides a self-cleaning offshore solar connecting device which comprises a solar mounting plate used for mounting a solar panel, a magnetic stabilization floating mechanism used for supporting the solar mounting plate and a telescopic scraping mechanism used for cleaning a connecting structure, and the solar mounting plate is arranged on the magnetic stabilization floating mechanism. The telescopic scraping mechanism is arranged on the magnetically stabilized floating mechanism. The invention relates to the field of solar photovoltaics. According to the self-cleaning offshore solar energy connecting device, a special supporting structure is designed according to the problems that an existing solar panel is prone to parasitism of substances such as seaweed after being installed, unstable and prone to damage due to parasites and the like, the dynamic stability of equipment can be kept, and attachments can be removed; therefore, the problems that when a common ocean solar panel is installed, a large number of seaweeds and parasitic organisms are prone to being wound on a bottom connecting piece, the upstream area is increased, large dragging force is prone to being borne when sea waves are generated, a connecting structure is prone to being damaged, and cleaning is inconvenient are effectively solved.

The invention relates to the technical field of bridge earthquake resistance, and particularly relates to a bridge quakeproof buffer device and a quakeproof bridge, wherein the bridge quakeproof buffer device comprises a shock-absorbing buffer cushion block, a stop block is arranged on one side of the shock-absorbing buffer cushion block, and the stop block is fixedly connected with the shock-absorbing buffer cushion block. The quakeproof bridge comprises a plurality of bridge piers and a bridge abutment, wherein a main beam is arranged above the bridge piers and the bridge abutment, the bridge abutment is fixedly connected with at least two bridge quakeproof buffer devices, the bridge quakeproof buffer devices are arranged on the two sides of the main beam in the transverse direction respectively, and the side, which is provided with the shock-absorbing buffer cushion block, of the bridge quakeproof buffer device faces the main beam. According to the bridge quakeproof buffer device, the stop blocks are fixed to the bridge abutment, the buffering and anti-collision effects of the shock-absorbing buffer cushion blocks are utilized, the transverse impact effect of the main beam is reduced, the transverse earthquake resistant performance of a bridge is improved, the safety of a bridge structure is improved, construction is facilitated when the bridge quakeproof buffer device is arranged on the bridge abutment, and the invested engineering cost is low.

The invention discloses a pipe-shell-type heat exchanger. The pipe-shell-type heat exchanger comprises a shell-side cylinder body, a pipe-box cylinder body, a pipe plate and a heat exchanging pipe. The heat exchanging pipe is fixed to the pipe plate, and a main body of the heat exchanging pipe is arranged in the shell-side cylinder body. A baffling rod assembly is arranged in the shell-side cylinder body and comprises a plurality of first baffling rods and a plurality of second baffling rods. Each first baffling rod comprises a connecting part, a first baffling part and a second baffling part,wherein the first baffling part and the second baffling part are connected with the two ends of the connecting part correspondingly. The first baffling rods are used for forming a double helix flow channel. Compared with the prior art, the pipe-shell-type heat exchanger has the following advantages that a shell-side fluid is arranged along with the first baffling rods and forms a double helix flow on the shell side, thus the shell-side fluid rotates and flushes a heat exchanging pipe bundle along with the double helix flow channel formed between the first baffling rods while passing through the first baffling rods and obliquely skimming over the heat exchanging pipe, the effect of heat transfer enhancing is improved, isochronous flow dead zones of the bow-shaped baffling rods are reduced,and the heat exchanging effect is enhanced.

The invention discloses an anti-crashing hard landing frame for an unmanned aerial vehicle. The anti-crashing hard landing frame comprises an unmanned aerial vehicle body, first base plates, second base plates, a first spring, elastic balls, a first slide ring, second slide rings, a second spring and an elastic rope, wherein L-shaped fixed plates are fixedly connected to the left and right side walls of the unmanned aerial vehicle body, a mounting plate is arranged below the unmanned aerial vehicle body, the bottoms of vertical plates of the two L-shaped fixed plates are fixedly connected withthe top of the mounting plate, a slide rod is fixedly connected between the side walls of the vertical plates of the two L-shaped fixed plates and is sleeved with two first slide rings, the slide rodbetween the vertical plates of the L-shaped fixed plates and the first slide rings is sleeved with the first spring, and two ends of the first spring are respectively fixedly connected with the vertical plates of the L-shaped fixed plates and the side walls of the first slide rings, a vertical rod is fixedly connected to the bottom of the slide rod, the bottom end of the vertical rod is fixedly connected with the top of the mounting plate, the vertical rod is sleeved with the second slide ring, and movable rods are movably connected to the top, close to two sides, of the second slide ring.

The invention discloses a steel strip coil receiving device which comprises a track, a vehicle body arranged on the track, and an air cylinder driving the vehicle body to move along the track. The steel strip coil receiving device further comprises a receiving hopper. The receiving hopper comprises a base plate, a guide column fixed to the lower portion of the base plate, and a V-shaped plate fixed to the upper portion of the base plate. The vehicle body is provided with a sleeve in vertical sliding fit with the guide column. A damping spring is arranged in the sleeve. A blocking frame preventing a steel strip coil from turning over is arranged at the end of the vehicle body. According to the steel strip coil receiving device, due to the fact that the damping spring is arranged between the base plate and the vehicle body, when the steel strip coil falls down to the V-shaped plate, the damping spring is stressed and contracted, the impact energy caused by the steel strip coil to the V-shaped plate and the vehicle body can be greatly consumed away, the receiving hopper and the vehicle body can be protected, the steel strip coil receiving device is prevented from being frequently maintained, and the service life of the steel strip coil receiving device is prolonged.

The invention discloses a body suspension device for automobile assembly. The body suspension device comprises a suspension mechanism, wherein wheels are mounted on two ends of the suspension mechanism; coil springs are mounted on two sides of the lower part of the suspension mechanism; each coil spring is provided with a corresponding shock-absorbing pad on one side; a shock absorber is mounted between the coil springs; an oil storage chamber is connected to one end of a piston head through a piston push rod; a compression damping mechanism is mounted inside the shock absorber; two ends of the bottom of a control rod are connected to central control arms through welding pieces; a torsion rod is externally wrapped with a protective shaft sleeve; a Watt link is mounted below the torsion rod; a lifting lug is arranged on one end of the shock absorber; and a compression spring is mounted on one side of the lifting lug. Through the arrangement of the coil springs, the shock absorber, the torsion rod, the Watt link and the compression spring, the body suspension device for automobile assembly solves the problems that an existing body suspension device for automobile assembly is poor inshock-absorbing and cushioning effect, and that the inclination angle of the wheels can not be adjusted in time.

An automatic berthing device for a ship belongs to the fields of pontoon wharf and ship berthing. The automatic berthing device for the ship comprises buffering airbags and a solid suction device. The buffering airbags comprise airbag shells, compartments and buffering springs, and the solid suction device comprises an electromagnet and a contact body; the airbag shells are fixed on the sides of a pontoon or the sides of a navigating ship, and each airbag is divided into a plurality of independent air chambers by the compartments; and the buffering spring and the electromagnet are arranged in the air chamber, the buffering spring abut against the airbag shell on one side of the pontoon or the navigating ship and a bearing hole of an iron core or an annular groove, and the other end of the electromagnet abut against an chamber wall of one face of the airbag shell without being fixed on the sides of the pontoon or the navigating ship. After the automatic berthing device for the ship which is simple in structure and convenient to produce is adopted, the production cost is low, the investment is small and the process is simple; the navigating ship is connected with the pontoon through the electromagnet when the navigating ship is berthing on the pontoon, and the circuit of the electromagnet is disconnected to make the navigating ship separate with the pontoon when the navigating ship leaving the pontoon without a sailor untying the cable rope ; and the external operating parts are not visible, and the degree of automation is high.

The invention belongs to the field of ocean underwater transmission, and particularly relates to an underwater cable taking-up and paying-off device. The underwater cable taking-up and paying-off device comprises a press rolling device and a zero-buoyancy winding drum, the zero-buoyancy winding drum is arranged on an underwater platform and comprises a rotating shaft, bearing pedestals, a coiling block and a center penetrating floating ball, the rotating shaft penetrates through the coiling block and is in linkage with the coiling block, the center penetrating floating ball is arranged in the coiling block, and the position, arranged inside the coiling block, of the rotating shaft is sleeved with the center penetrating floating ball. The two ends of the rotating shaft are rotatably connected with the bearing pedestals arranged on the underwater platform respectively. The press rolling device is arranged between two discs of the coiling block of the zero-buoyancy winding drum and arranged on the periphery of a cylinder, for winding a cable, of the coiling block, and the cable is arranged between the press rolling device and the cylinder of the zero-buoyancy winding drum. According to the underwater cable taking-up and paying-off device, by selecting center penetrating floating balls of different diameters, the whole zero-buoyancy winding drum is in the zero-buoyancy state underwater, driving force required starting of the system is reduced to be greatest extent, and driving is easy. In the process of cable taking-up and paying-off, through the effect of the press rolling device, it is always ensured that the cable runs in place.

The invention relates to the technical field of the drilling device, and especially relates to a drilling device of geological survey. Guide pillars are fixed on an upper surface of a guide pillar fixing plate, a guide sleeve fixing plate is arranged on a back sidewall of a drill body host; a plurality of guide sleeves are arranged on an upper surface of the guide sleeve fixing plate, and each guide sleeve penetrates to a bottom surface of the guide sleeve fixing plate; each guide pillar penetrates the corresponding guide sleeve from bottom to the top; a damping wrapping belt is fixed on a back surface of a fixing plate; horizontal guide rails are arranged at a left sidewall and a right sidewall of the drill body host; a sliding block is embedded on each horizontal guide rail, and a handleis fixed on each sliding block; and a locking positioning mechanism for locking the sliding block on the horizontal guide rail is arranged on each sliding block. When being used, a drilling device structure maximally reduce the labor intensity of a drilling operator in the work, so that the drilling work is more convenient and easier.

The invention discloses a damping device for mechanical equipment. The damping device comprises an upper fixed seat and a lower fixed seat. Fixed sleeves are welded to the four corners of the top of the lower fixed seat, and SH180X1480 hydraulic cylinders are arranged at the bottoms of the fixed sleeves. Sealing plates are sleeved with the fixed sleeves, and the tops of the sealing plates are welded to the upper fixed seat through connecting rods penetrating the fixed sleeves. According to the damping device, arc-shaped elastic plates are symmetrically arranged between the upper fixed seat andthe lower fixed seat, and a fixed disc is connected to the position, between the two arc-shaped elastic plates, of the bottom of the upper fixed seat through a fixed rod. The two sides of the fixed disc are connected with the arc-shaped elastic plates through adjusting mechanisms. According to the structure, on one hand, the arc-shaped elastic plates cannot greatly deform during buffering protection, and the buffering protection effect is good; and on the other hand, the transverse impact force of the mechanical equipment can be reduced.

The invention discloses a pressurized-water integration type ocean wave energy gathering and energy converting electricity generation system. The pressurized-water integration type ocean wave energy gathering and energy converting electricity generation system comprises a hydroelectric generation device (15) and an electricity generation operating room. The pressurized-water integration type ocean wave energy gathering and energy converting electricity generation system is characterized by further comprising a wave energy converting and gathering work platform (1), a pressurized-water integration type ocean wave energy converting device (3), a pressure mixer (14), a pressure regulator (16) and the hydroelectric generation device (15), wherein the pressurized-water integration type ocean wave energy converting device (3) is connected with the wave energy converting and gathering work platform (1), and a water outlet of the pressurized-water integration type ocean wave energy converting device (3) is connected with a water inlet of the pressure mixer (14); an output pipeline of the pressure mixer (14) is connected with an input pipeline of the pressure regulator (16), and the opening of an output pipeline of the pressure regulator (16) is connected with a water inlet of the hydroelectric generation device (15). The pressurized-water integration type ocean wave energy gathering and energy converting electricity generation system can be naturally formed on the sea, and therefore no infrastructure which consumes a large amount of money and is firm but cumbersome needs to be built on the seabed or seacoast.

The invention belongs to the field of marine underwater transmission, in particular to an underwater zero-buoyancy cable winding drum, which includes a rotating shaft, a bearing seat, a drum and a center-through floating ball, wherein the rotating shaft passes through the drum and is connected to the drum. The center-through floating ball is located in the reel and is set on the rotating shaft inside the reel; the two ends of the rotating shaft are respectively connected to the bearing seat installed on the underwater platform through bearings; the two ends of the rotating shaft are worn with Rolling bearings, rolling bearings are located in bearing housings and are sealed by bearing inner and outer covers. There is a keyway at one end of the rotating shaft, which is convenient for connecting the drive motor or the reduction mechanism. The present invention relies on the buoyancy adjustment of the center-through floating ball, and is in a state of zero buoyancy underwater, which is beneficial to the underwater driving of the drum; the center-through floating ball of the present invention is located on the rotating shaft in the drum, and the inside of the drum can be opened, and the rotating shaft It is connected with the reel and the rolling bearing, etc., and the through-center float can be easily replaced.

The invention discloses a buffering platform in case of material colliding. The platform comprises a platform body, an arc baffle is arranged at one end of the platform body, a buffering plate is arranged on one side of the arc baffle, and a pressure spring is arranged between the arc baffle and the buffering plate; and a buffering device is arranged under the platform body, wherein the bufferingdevice comprises springs and a crossed support, the middle of the crossed support is connected through a pin shaft, the crossed support is connected with the platform body through pin shafts, one endof the crossed support is connected with the ground through a pin shaft, and the other end of the crossed support is provided with a rolling wheel. The buffering platform is reasonable in structural design, composite plates or steel plates in the material discharging process can be effectively buffered through the buffering platform, transverse impact to materials can be effectively buffered, edges and corners of the plates can be protected, the weight of a larger load can be borne, the yield can be increased, the production efficiency can be increased, and the cost can be saved.

The invention discloses a steering mechanism for automobile wheels. The steering mechanism for the automobile wheels comprises a two fork arms which are symmetrically and axially connected to a car frame, the front ends of the fork arms are axially connected with a vehicle wheel bracket, a shock absorber is installed on the vehicle wheel bracket, and the outer side of the shock absorber is connected with a damping spring in a sleeving mode; a vehicle wheel is installed on the vehicle wheel bracket through a support, the support is connected with the vehicle wheel bracket through a first connecting shaft, a drive shaft is installed on the support, and the vehicle wheel is installed on the drive shaft; a hydraulic cylinder is connected between the support and the vehicle wheel bracket in a hinged mode, under the driving of the hydraulic cylinder, the support rotates around the first connecting shaft, and one side of the vehicle wheel bracket is connected with a steering link through a bulb; and the first connecting shaft is actively connected into a shaft sleeve in a sleeving mode, the shaft sleeve is fixed on the vehicle wheel bracket, the inner side wall of the shaft sleeve is connected with rubber damper pins through shrapnel, and the rubber damper pins are in interference fit with the first connecting shaft. According to the steering mechanism for the automobile wheels, deficiency in the prior art is improved, and the lateral inclination of vehicles during steering is reduced.

The invention belongs to the technical field of cutting machines and particularly discloses a nozzle for a wire cutting machine. The nozzle for the wire cutting machine comprises a nozzle body and a wire electrode and further comprises multiple fixing rods and a conical sleeve, wherein a wire electrode hole used for containing the wire electrode is formed in the nozzle body, the wire electrode is wrapped by insulating rubber, a through hole is formed in the center of the bottom surface of the conical sleeve, and the nozzle body penetrates through the through hole to be connected with the bottom surface of the conical sleeve in a sealed mode; one end of each fixing rod is fixed to the conical sleeve, the other end of each fixing rod is fixed to the nozzle body, and the multiple fixing rods are distributed along the circumference of the nozzle body; a guide plate is arranged at the top end of the conical sleeve, multiple guide pipes which are communicated with the conical sleeve are formed in the guide plate, and the guide pipes are distributed along the circumference of the guide plate; a wire electrode pipe used for containing the wire electrode is arranged at the center of the guide plate, and the wire electrode pipe is lower than the guide pipes; a liquid inlet channel is formed in the conical sleeve, and an outlet of the liquid inlet channel is parallel to the nozzle body. The nozzle for the wire cutting machine effectively solves the problem that the wire electrode deflects easily.

The invention relates to the technical field of robots, and discloses a high-end equipment manufacturing intelligent robot protection shell which comprises a shell body. A base is fixedly mounted at the bottom of the shell body, a mounting partition plate is fixedly mounted in the shell body, and a wire penetrating hole is formed in the mounting partition plate. A surrounding wire is fixedly installed in the installation partition plate, a resistance plate is fixedly installed on the outer side of the surrounding wire, a spherical inner shell is fixedly installed in the shell body, and a buffer spring is fixedly connected to the inner side of the spherical inner shell. According to the high-end equipment manufacturing intelligent robot protection shell, components are installed on the mounting partition plate, then a connecting wire penetrates out of the wire penetrating hole and is connected to the outer side of the spherical inner shell in a penetrating mode, the connecting wire is wound around a damping spring column to be fixed, finally the spherical inner shell is fixedly installed in the shell body, so that convenience and high efficiency are achieved, and the storage of an electric wire is not interfered, and safety and stability are achieved.

The invention provides a variable-amplitude hard tube filling device applied to poor sea conditions. The device comprises a base, a stand column and a filling arm assembly, wherein a filling pipelineis horizontally arranged on the base, the filling arm assembly comprises an outer filling arm and an inner filling arm, a first channel is formed in the outer filling arm, and a second channel is arranged on the inner filling arm; a first switching tube is arranged on the side wall of the top of the first channel, a second switching tube is arranged on the side wall of the top of the second channel, the first switching tube and the second switching tube are connected through a first switching assembly, and the inner filling arm is connected with the filling pipeline through a second switchingassembly; the top of the stand column is rotationally and fixedly provided with a hydraulic cylinder through a second rotating shaft, a sliding block is rotationally arranged on a push rod of the hydraulic cylinder, and the sliding block is movably arranged on a sliding rail; and the sliding rail is fixed to the inner filling arm. The filling device is reasonable in design, and the filling efficiency and the filling safety are improved.

The invention discloses an autorotation equipment for motorcycle hub coating. The autorotation equipment comprises a rack, a guide rail frame and a trolley; an upper guide rail base, a sliding block and a trolley body stabilizing bearing are designed on the trolley, the stability of a workpiece in the advancing process and the autorotation process is improved, and thus the machining yield of the workpiece is improved; a clockwise autorotation power mechanism and an anticlockwise autorotation power mechanism are arranged, and in the advancing process of the trolley, clockwise or anticlockwise rotation of the workpiece is achieved through automatic meshing of a transmission gear; tensioning adjusting assemblies on the clockwise autorotation power mechanism and the anticlockwise autorotation power mechanism can adjust the connecting gap between a transmission chain and the transmission gear, so that transverse impact on a driven shaft is minimum, and operation is more stable. A flexible protective cover is arranged, a closed cavity structure is formed in the rack, a positive pressure cavity is formed in the closed cavity structure through inflation, paint or paint mist can be prevented from entering the rack, and the internal structure of the rack is protected; and a plurality of bearings and step-shaped structures are arranged in the driven shaft, so that the stability is improved.