273 results about "Friction reducing" patented technology

A cover for a support surface includes: a ticking made of a ticking material configured to enclose a support layer of the support surface, the ticking having an outer top surface configured to face a person lying on the support surface; and a friction reducing overlay on at least a portion of the outer top surface for facilitating displacement of the person on the support surface, the friction reducing overlay being made of a low friction material formed onto the ticking material, the friction reducing overlay comprising a plurality of overlay elements that are spaced apart from each other to form an overlay pattern.

The utility model relates to a high-precision smooth edge grinding machine and belongs to the field of lens grinding, the high-precision smooth edge grinding machine comprises a rack, a grinding mechanism is arranged on the upper surface of the rack, a clamping mechanism is arranged on the upper surface of the rack and located in front of the grinding mechanism, and the grinding mechanism comprises a supporting frame, a connecting frame, a rotating shaft and a smooth surface grinding disc. According to the high-precision smooth edge grinding machine, the grinding mechanism adopts a polyurethane resin grinding wheel as a smooth surface grinding disc, the polyurethane resin grinding wheel has excellent self-lubricity and wear resistance, friction and heat are reduced in the grinding process, damage to a lens is effectively avoided, burrs are changed into polishing through edge grinding, meanwhile, through combined driving of a grinding motor and a transmission belt, the grinding efficiency is improved, and the grinding efficiency is improved. According to the optical lens edge grinding device, high-speed rotation of the grinding disc is ensured, the edge grinding efficiency is improved, the cooling effect in the grinding process is further enhanced through the arrangement of a cooling water pipe and a spraying head, lens damage or deformation caused by too high temperature is prevented, the optical lens edge grinding quality is greatly improved, and the requirement for high-precision machining is met.

The invention relates to the field of cable construction equipment, in particular to a modularized crossing frame for power transmission line multi-scene maintenance construction, which comprises a support frame, a base, a sliding block, a sleeve, a driving mechanism and an expansion mechanism, the base is slidably arranged on the supporting frame, and the sliding block is rotationally arranged on the base. The sleeve is rotationally arranged on the sliding block and can slide in the direction perpendicular to the power transmission line, the diameter of the middle of the sleeve is smaller than that of the end of the sleeve, and the sleeve is elastic in the radial direction and makes contact with the power transmission line; the driving mechanism controls the base to slide so that the power transmission line can be located in the middle of the sleeve, the power transmission line can drive the slider to rotate under external force, and the expansion mechanism changes the diameter of the end of the sleeve when the slider rotates. The driving mechanism adjusts the position of the sleeve, prevents the power transmission line from sliding relative to the sleeve through the sleeve structure, and guarantees the stability. The expansion mechanism increases the bending radian and wrapping performance by changing the diameter of the end part of the sleeve, thereby further preventing the power transmission line from sliding, reducing frictional wear, and prolonging the service life.

The utility model discloses an accurate guide device for hot continuous rolling of a kovar alloy plate. The accurate guide device comprises a rack, a conveying roller, a guide mechanism, a fixing mechanism and a cleaning mechanism, the rack is fixed on the ground; the conveying rollers are evenly and rotationally connected to the machine frame through bearings, and the guiding mechanisms are symmetrically installed on the two sides of the kovar alloy plate. The fixing mechanism and the cleaning mechanism are both mounted on the guide mechanism; the guide mechanism comprises a support frame, a connecting plate, a rotating roller, a bidirectional threaded rod, a guide rod and a motor II; the two-way threaded rod is rotationally connected to the rack through a bearing, and the guide rods are fixed to the portions, on the two sides of the two-way threaded rod, of the side wall of the rack. The motor is fixed to the outer side wall of the rack, and the output end is connected with one end of the bidirectional threaded rod. According to the utility model, the Kovar alloy plate can be accurately guided; in the Kovar alloy plate guiding process, the side wall makes contact with the rotating roller, friction can be reduced, and damage to the Kovar alloy plate is further reduced.

The utility model discloses a polycrystalline diamond radial centralizing sliding bearing which comprises a static ring, a movable ring arranged on the inner side of the static ring, a wear-resistant pad and a first polycrystalline diamond layer arranged on the inner side of the movable ring, a second polycrystalline diamond layer arranged on the outer side of the static ring, and a rolling ball arranged on the static ring. A first lubricating groove and a second lubricating groove are formed in the static ring, a first filter screen is fixedly connected to the top of the first lubricating groove, a first retention groove is fixedly connected to the bottom end of the first lubricating groove, a first lubricating channel and a first calandria are communicated to the first retention groove, and a second filter screen is fixedly connected to the top of the second lubricating groove. The bottom end of the second lubricating groove is fixedly connected with a second detention groove, and the second detention groove communicates with a second calandria and a second lubricating channel. By means of the device, the first lubricating groove, the second lubricating groove, the calandria and the lubricating channel are conveyed to the rolling balls, so that the lubricating efficiency is improved, and frictional wear is reduced.

The utility model discloses a battery shell punch forming device, and belongs to the technical field of battery shell manufacturing. The device mainly comprises a frame body; the stamping mechanism is mounted at the upper end of the frame body; the fixing mechanism is installed at the upper end of the frame body, and the fixing mechanism is provided with a mold and a section mold cavity formed in the mold; the material ejecting mechanism is mounted at the lower end of the frame body and comprises a mounting frame, a material ejecting mechanism and a material ejecting mechanism, and the mounting frame is mounted at the lower end of the frame body; the ejection air cylinder is mounted on the mounting frame; the supporting rod is mounted on the mounting frame; the fixing plate is mounted on the supporting rod; the sliding rods are hinged to the two ends of the fixing plate; the spring is mounted at the top end of the sliding rod; and the ejector rod is arranged at one end of the spring. According to the battery shell punch forming device, by arranging the material ejecting mechanism, alternate material ejecting is conducted on the two ends of a battery shell, and therefore the effect of reducing friction force is achieved.

A substrate lift driving unit, a manufacturing apparatus of a display device provided with the same, and a method for manufacturing a display device, which can increase manufacturing efficiency by minimizing wear of a manufacturing apparatus to increase the life of the manufacturing apparatus and also can supply a lubricant to the manufacturing apparatus during operation of the manufacturing apparatus, are provided. The substrate lift driving unit includes a shaft extending in a first direction, a main body sliding along the shaft, a friction reducing portion between an outer circumferential surface of the shaft and an inner surface of the main body, and a power portion connected to the shaft and providing power for relative movement of the shaft and the main body. The shaft includes an inlet at one end portion of the shaft, an outlet at an outer circumferential surface of the shaft, a first flow path formed inside the shaft and extending from the inlet in the first direction, and a second flow path extending from the first flow path in a second direction crossing the first direction to the outlet and in fluid communication with the first flow path.

To provide a push-on fastener that is fixed to an inner member, simplifies an assembly, and is used to reduce friction, vibration and noise while prolonging the lifetime of the assembly.SOLUTION: There is provided a push-on fastener 100 that includes: a push-on fastener body including an annular base 104 defining an aperture, first and second opposing major surfaces 107, 109, and a plurality of radial tabs 110 extending from the annular base 104, the radial tabs 110 terminating radially inwardly or radially outwardly and providing a peripheral surface; and a low friction layer 1104 overlaying the first major surface 107 of the push-on fastener body, wherein the peripheral surface 112a is free of low friction layer 1104.SELECTED DRAWING: Figure 3A

The invention relates to the technical field of stirring equipment, in particular to a sealing mechanism and a stirrer. The sealing mechanism comprises a first sealing group and a second sealing group, the first sealing group is in sealing connection with the first rotating body, and the first sealing group is used for synchronously rotating with the first rotating body; the second sealing set is connected with the cover body in a sealed mode, the second sealing set is arranged on the periphery of the first sealing set in a sleeving mode and connected with the peripheral face of the first sealing set in a sealed mode, and the first sealing set can rotate relative to the second sealing set. The first sealing set and the first rotating body are relatively static, friction is reduced, the service life of the sealing mechanism is prolonged, meanwhile, the risk that chippings fall into slurry is reduced, and then the purity of materials is improved. Even if the first sealing group rotates and rubs relative to the second sealing group, scraps are generated on the outer peripheral surface of the first sealing group, and the scraps do not fall into the sealing area.

The utility model discloses a winding device which comprises a machine frame, the machine frame is respectively provided with a pay-off rack used for placing material coils, a winding module and a servo driving motor used for driving the winding module to rotate, and a tension sensor and a pay-off roller are respectively arranged on the machine frame and located between the pay-off rack and the winding module. The servo differential motor is used for driving the pay-off roller to rotate, the rotating speed ratio of the rotating speed of the pay-off roller to the rotating speed of the winding module is 0.7-0.9: 1, and a winding wire of a material coil is connected to the winding module sequentially through the pay-off rack, the pay-off roller and the tension sensor. Through the design of the rotation speed ratio of the servo differential motor to the winding module servo motor, real-time feedback is combined with the tension sensor, the rotation speed of the pay-off roller is dynamically adjusted, accurate and stable control over winding tension is achieved, friction tensioning is not needed, and then the problem of wire damage caused by friction is effectively solved.

The utility model relates to the technical field of screw tap equipment, and discloses a screw tap with an automatic lubricating system, which comprises a main body mechanism, a connecting mechanism and an auxiliary mechanism, the main body mechanism further comprises a connecting pipe, a central control part and a tapping part, and the connecting pipe is fixedly arranged at the outer end of a detection module and is communicated with a cavity of a screw tap handle part; the center control part is fixedly installed at the end, away from the detection module, of the connecting pipe, and the tapping part is fixedly arranged on the outer surface of the screw tap body and used for drilling and laying threads. The screw tap body is fixedly connected with the machine tool transmission assembly in a clamped mode through the screw tap handle part, the detection module correspondingly compares the rotating speed of the screw tap body with the tapping pressure value, when lubrication is insufficient, the center control part extracts lubricating liquid to enter the screw tap handle part through the connecting pipe, the lubricating liquid evenly fills the tapping part under the action of centrifugal force and gravity, and the tapping effect is improved. Therefore, friction is reduced, abrasion is reduced, machining precision is improved, and the service life of the screw tap is prolonged.

The utility model provides a novel tray for manufacturing a grinding wheel, which comprises a tray body placed on a track and a placing hole arranged on the tray body, a support plate is arranged in the placing hole, and a mold is arranged on the support plate. The groove is formed in the end face of the inner side of the placing hole; the rollers are arranged in the grooves, connected with pin shafts and fixed to the tray through the pin shafts, the diameter of the containing holes is smaller than the diameter of the upper end edge of the mold and larger than the diameter of the lower end of the mold, the bottom of the mold is in contact connection with the upper end face of the supporting plate, and the grooves are of an annular structure and are concave towards the inner side of the tray. A groove is formed in the lower portion of the die, a space is formed, the roller is placed in the groove, and the outer side circle of the roller is exposed out of the groove and is in contact connection with the outer side face of the lower portion of the die, and the die has the advantages that materials can be leveled, friction force is reduced, and the die can rotate stably.

The present application provides a heating device, a fixing device and an image forming apparatus, which can inhibit the heat conductive material from separating from between the heat pipe and the planar heating member due to the friction reducing material mixing into the heat conductive material, compared with the case where the surface tension of the friction reducing material coated on the inner circumferential surface of the belt heated by the planar heating member is equal to that of the heat conductive material. The heating device comprises: a planar heating member which heats a heated body by heating in a length direction; a heat pipe which is arranged to contact the planar heating member on the side opposite to the heated body in the length direction; a friction reducing material which is coated on the region where the planar heating member contacts the heated body to reduce the friction resistance between the planar heating member and the heated body; and a heat conductive material which is interposed between the planar heating member and the heat pipe, and the surface tension of which is different from that of the friction reducing material by 3 (mN / m) or more.

The application discloses a kind of assembly methods of split combined overedger cabinet, including split combined overedger cabinet including rear shell and front shell, rear shell and front shell are integrally cast into shape respectively, rear shell is provided with rear assembly surface and rear half hole, front shell is provided with front assembly surface and front half hole, positioning hole is formed on the rear assembly surface of rear shell and the front assembly surface of front shell, positioning pin is inserted in the positioning hole, when rear assembly surface and front assembly surface are completely adhered, rear half hole and front half hole are spliced into main shaft hole, one end of positioning pin is inserted into the positioning hole on rear assembly surface.The overedger cabinet is improved, the traditional integrated cabinet is divided into assembled cabinet, and the roundness of the spliced main shaft hole is detected during assembly, which can improve the assembly yield;It can also ensure that the assembled cabinet can provide effective support for the main shaft, reduce friction when the main shaft rotates, and prolong the service life of the equipment.

The utility model provides an adjustable induced draft fan impeller blade handle shaft anti-falling bush, which relates to the technical field of bushings, and comprises a hub, blades and a flange, and the outer end part of the hub is provided with a blade handle hole. The wear-resistant composite flange bushing with the flange structure is arranged between the flange and the hub, and the flange is mounted on the inner side of the blade handle hole, so that when a centrifugal force is generated during operation of the fan rotor, the flange directly blocks the flange bushing from moving outwards, the effect of the centrifugal force on the flange bushing is counteracted, the flange bushing is effectively prevented from falling off from the blade handle hole, and the service life of the fan rotor is prolonged. The problems of rotation jamming of the blade handle shaft, failure of a blade adjusting function, drifting of movable blades, aggravation of equipment operation vibration and the like caused by falling of the flange lining are avoided, safe and stable operation of a unit is guaranteed, meanwhile, the flange lining is made of a composite material, the composite material has self-lubricating performance and abrasion resistance, the lubricating effect of the blade handle shaft when the blade handle shaft rotates in the blade handle shaft hole is guaranteed, and the service life of the blade handle shaft is prolonged. Friction loss is reduced, and the service life of parts is prolonged.

The utility model discloses a wire returning mechanism, which relates to the technical field of wire cutting equipment and comprises a roller rewinding module, a front guide module and a rewinding pressing module. The front guide module is arranged in the wire inlet direction of the roller rewinding module and stably guides the molybdenum wire through a guide-in pipe, a middle guide device and a guide-out pipe, friction is reduced through a guide wheel of the middle guide device, and linear transmission of the molybdenum wire is guaranteed. According to the roller rewinding module, a rewinding driving motor drives a roller to rotate through a speed reducer, the lower portion of the molybdenum wire is wound, the upper portion of the molybdenum wire is released, and the number of winding turns is kept unchanged. The rewinding and pressing module is installed on the upper portion of the roller rewinding module, an air cylinder drives a lifting frame and a pressing wheel to press downwards, and auxiliary pressing force is applied when the molybdenum wire is wound, so that the molybdenum wire is wound tightly and neatly. The wire returning mechanism is simple in structure and convenient to operate, the molybdenum wire winding quality can be effectively improved, the use cost is reduced, the reliability and applicability of wire cutting equipment are enhanced, and the wire returning mechanism has good application prospects.

The utility model discloses a kind of rubber-coated tile assemblies of elevator to reduce friction, including two arc-shaped tiles of symmetrical arrangement, the outer side wall of two arc-shaped tiles is equipped with rubber coating, the side of two arc-shaped tiles close to both ends is equipped with fixed mechanism;The fixed mechanism includes fixed ring fixedly arranged on the side wall of two arc-shaped tiles, fixed bolt and fixed nut that are mutually matched are equipped between two adjacent fixed rings;The outer side wall of both ends of two arc-shaped tiles is fixedly equipped with arc-shaped mounting piece, and the side wall of arc-shaped mounting piece is provided with a plurality of evenly distributed mounting holes.The utility model realizes convenient disassembly and assembly by fixed mechanism and arc-shaped mounting piece, simplifies maintenance process;Through arc-shaped tile splicing, with baffle ring fixed and the strip-shaped anti-skid groove on the surface of rubber coating, effectively avoid the slip between rubber-coated tile and winding drum, improve running stability.

The invention belongs to the field of carbon-ceramic friction plates, and discloses a preparation method and a product of a pincer type structure carbon-ceramic friction plate, the method comprises the following steps: mixing phenolic resin, titanium carbide, boron nitride, silicon carbide, graphite and carbon fiber to obtain first mixed powder; adding the first mixed powder into a mold, and preheating to obtain a blank; sequentially putting the blank into a drying oven, a cracking furnace and a heat treatment furnace for pretreatment to obtain a porous preform; performing vacuum infiltration treatment on the porous preform and the second mixed powder to obtain a carbon-ceramic friction plate; the second mixed powder is composed of FeSi85 and Cu, and the mass ratio of the FeSi85 to the Cu is 90: 10; titanium carbide reacts with silicon in the infiltration process to generate Ti3SiC2, and Ti3SiC2 has the characteristics of metal and ceramic, has high melting point, high strength, high thermal conductivity and high toughness, and can effectively stabilize the friction process and reduce the fluctuation of the friction coefficient.

The utility model relates to the technical field of gas-liquid mixed transportation pressurization, in particular to a gas-liquid mixed transportation pressurization device which comprises a shell, a front cover and a rear cover, the front cover is installed on one side of the shell, the rear cover is installed on the side, away from the front cover, of the shell, an inlet is formed in one side of the upper portion of the shell, and an outlet is formed in the other side of the upper portion of the shell. When the supercharging device is used, the eccentric shaft drives the cock to slide tightly close to the interior of the shell, the shell forms a closed cavity which changes periodically, negative pressure is generated in the shell to suck a medium, the cock extrudes the medium in the shell to achieve the purpose of supercharging conveying, and the cock is tightly attached to the shell to reduce mechanical friction. And large torque is provided through an eccentric structure formed by the eccentric shaft, the cock and the interior of the shell, operation noise is reduced, and noise pollution generated when the device is used is reduced.

The invention discloses a high-precision multi-component microalloying nickel-based alloy plate blank and a preparation method, and belongs to the technical field of high-temperature alloy materials. The nickel-based alloy plate blank is prepared from the following raw materials in percentage by mass: 16.68 to 19.76 weight percent of Cu, 0.84 to 1.57 weight percent of Pr, 0.76 to 1.64 weight percent of Se and the balance of Ni. The raw materials comprise Pr and Se, the rare earth element Pr is added, so that the grain boundary can be purified, the purity of the obtained nickel-based alloy material is improved, and a certain grain refining effect is achieved; se can form selenide, the self-lubricating effect is achieved in the subsequent machining process, and the defects caused by friction are reduced. And in the preparation process, a processing mode of combining double-sided friction stir processing and vacuum diffusion welding is adopted, so that the surface defects of the sintered plate are effectively eliminated, the thickness direction is kept highly continuous in the vacuum diffusion welding process, and the nickel-based alloy material with excellent mechanical properties is obtained.

The utility model provides a kind of heat-insulating and antifriction shock absorber, shock absorber is rectangular plate body structure, including antifriction layer, first shock-absorbing layer, heat-insulating layer, support layer and second shock-absorbing layer;Antifriction layer is whole surface and adhered on the first shock-absorbing layer upper surface;Heat-insulating layer is whole surface and set in the first shock-absorbing layer;Support layer is whole surface and adhered on the first shock-absorbing layer lower surface;Second shock-absorbing layer is whole surface and adhered on the support layer lower surface;In the rectangular plate body four corners of shock absorber, each is provided with one mounting hole;Along the length direction of shock absorber, there are several strip-shaped through holes, and strip-shaped through hole is located in the first shock-absorbing layer;Several strip-shaped through holes are parallel and equidistantly arranged each other.The utility model is embedded by glass fiber heat-insulating layer, under metal support layer and detachable second shock-absorbing layer in rubber laminate, and parallel strip-shaped through hole is reserved in the first shock-absorbing layer, and the integrated structure of "low friction-heat insulation-staged shock absorption" is formed.The shock absorber structure is suitable for high temperature, heavy load and frequent vibration occasion.

The invention relates to a method for controlling the uniform wall thickness of a radially forged hollow component. The method comprises the following steps: selecting a pipe blank and a core rod for hollow forging, wrapping the surface of one end of the pipe blank, painting an inner hole with an anti-oxidation coating, heating the pipe blank and lubricating the inner hole of a hot blank with glass powder, adopting proper rolling reduction during forging, configuring a blank feeding speed and a rotating angle of a precision forging machine during forging, controlling a forging sequence, and finishing and straightening at a high temperature. The high-precision hollow pipe blank and the core rod are adopted, and in order to achieve uniform deformation, friction is reduced from the temperature uniformity, anti-oxidation and lubrication modes of the blank; in order to ensure that metal flows are consistent, requirements are put forward from the aspects of forging deformation sequence and deformation parameter configuration; bending caused by forging and high-temperature normalizing is eliminated through radial warm forging, a key technology for controlling the wall thickness difference of the radial forging 40CrNi4Mo1V steel hollow component is formed, the wall thickness difference of a blank forging piece of the hollow component is smaller than or equal to 5 mm, the out-of-roundness of an inner hole is smaller than or equal to 3 mm, and the rough machining condition is met.

The application discloses a gradient diamond / molybdenum disulfide composite self-lubricating wear-reducing engineering ceramic coating and a preparation method thereof, belongs to the technical field of full ceramic self-lubricating wear-resistant coatings, and the coating is sequentially formed of a multi-stage size progressive diamond coating and a molybdenum disulfide coating from the surface of an engineering ceramic substrate to the outside. The multi-stage size progressive diamond coating comprises a micron diamond coating, a fine-grained diamond coating and a nano diamond coating, and the molybdenum disulfide coating is deposited on the diamond coating. The diamond coating is prepared by using a hot-wire chemical vapor deposition method, and the molybdenum disulfide film covering the diamond coating is prepared by using a direct-current magnetron sputtering method. Under certain conditions, the molybdenum disulfide in the composite coating reacts with the nano diamond and is converted into onion-like carbon, so that the hardness and lubricating performance of the composite coating are improved, and the friction and wear are reduced. The composite coating prepared by using the method has more stable bonding force and adhesion, and the service life of a machine is improved.

Thermal interface material assemblies, heat spreaders, and devices are disclosed as thermal interface solutions for sliding surfaces. In an example embodiment, a thermal interface material assembly includes a substrate having opposing first and second surfaces. A friction reducing layer is along the first surface of the substrate. A thermal interface material is along the second surface of the substrate such that the substrate is between the friction reducing layer and the thermal interface material. The friction reducing layer is configured to slide in contact with a first surface of a first component when the thermal interface material assembly is along a second surface of a second component and when the first and second surfaces are slidably movable relative to one another.

There is a demand for a new lubricating oil composition having properties (for example, insulating properties, a friction reducing effect, and rubber swelling resistance) suitable for lubrication according to various mechanisms incorporated in a device.SOLUTION: The lubricant base oil contains at least one ester compound (A) selected from diesters (A1) having 24 or more carbon atoms and triesters (A2) having 24 or more carbon atoms, and at least one base oil (B) selected from mineral oils and synthetic oils other than the components (A).SELECTED DRAWING: None

The present application relates to the field of coal mining device, specifically disclose a broken zone drilling strong build angle drill tool, including: the inner wall of the bottom end of the sealing sleeve is fixedly connected with a limiting block, the limiting block is rotatably connected with a screw rod, and the upper end of the limiting block is fixedly connected with a screw rod sleeve; The screw rod sleeve is sleeved on the screw rod; The annular base is fixedly connected on the inner wall of the sealing sleeve, and the annular base is fixedly connected with a pressure sensor; One end of the electric push rod is fixedly connected with an annular mounting seat, and the annular mounting seat is fixedly connected on the outer cylinder wall of the screw rod sleeve; The signal is transmitted to the electric push rod through the pressure sensor, and the pushing size of the electric push rod is controlled through different pressure, so that the drilling angle adjustment of the drill bit is accurately realized; The friction is reduced by supporting the well wall through the supporting roller, the drilling smoothness is increased, the well wall is supported through the elastic centralizer, not only the angle adjustment is more rapid, also ensures the linearity of the well.

A closure for a fluid end having a middle sealing section which engages a seal. The sealing section either has a larger outer diameter than adjacent sections or contacts a bore with a smaller inner diameter than adjacent sections. In either case, the clearance formed on either side of the sealing section reduces friction and allows the closure to be rocked back and forth to insert and remove the closure from the fluid end bore.

The utility model discloses an efficient intelligent center mud hanging machine, relates to environmental protection equipment technical field, including support plate and adjusting clamping mechanism, the inside of support plate is slidingly connected with the adjusting clamping mechanism, and the adjusting clamping mechanism includes the T-shaped slide block that is slidingly connected to the support plate inner surface position, and the T-shaped slide block is connected with the T-shaped slide block through the T-shaped slide block. A left-right threaded rod is arranged in the T-shaped sliding block, a clamping plate is in threaded connection with the outer surface of the left-right threaded rod, an elastic plate is fixedly connected to one side of the clamping plate, a lubricating conveying device is fixedly connected to the top of the supporting plate, and T-shaped grooves are formed in the left side and the right side of the supporting plate. Compared with an existing common center sludge hanging machine, the efficient intelligent center sludge hanging machine is high in stability, easy and convenient to maintain, capable of continuously and automatically collecting and discharging sludge, effectively reducing friction and vibration, reducing abrasion and maintenance frequency, avoiding the situation that the service life of equipment is affected due to the fact that vibration or noise is too large in the operation process, and adapting to different sludge loads; the influence on the decontamination effect caused by part aging is avoided.