34 results about "Device Wheel" patented technology

A cargo attachment for attachment to a parent vehicle having a front wheel and a rear wheel is provided. The cargo attachment comprises: a frame configured to, in use, remain substantially parallel to a plane perpendicular to a rear wheel axis of the parent vehicle; and a device wheel pivotable relative to the frame. The cargo add-on is configured to convert the parent vehicle into a cargo vehicle.

The present invention discloses an automated wheel hub production line, comprising a rim grinding and slag removal transmission production line, a rim flaring device, a rim weld inspection device, a rim forming device, a rim and spoke welding production line, a hub shaping device, a hub air tightness testing device, a hub air hole drilling device, and a hub and spoke shaping production line; it also comprises a Class I robotic arm mechanism, several Class II robotic arm mechanisms, and several Class III robotic arm mechanisms. The method for producing and processing a wheel hub on the automated wheel hub production line comprises the following steps: grinding and removing weld slag from the weld seam on the rim, flaring and forming the rim on the flaring device, weld inspection, rim forming, reshaping the wheel hub, air tightness inspection, opening a nozzle hole in the wheel hub, and milling and shaping the spokes on the wheel hub to obtain a finished wheel hub. The above structure enables the automated production of wheels with complex processes, greatly improving production efficiency while also improving the efficiency and benefits of product production.

The invention discloses application of a perhydrogenated cyclic olefin polymer and a solid tire rubber material. Wherein the fully-hydrogenated cyclic olefin polymer comprises a hydrogenated aromatic ethylene block and a hydrogenated conjugated diene block, and the solid tire rubber material comprises the following components in parts by mass: 35-60 parts of the fully-hydrogenated cyclic olefin polymer; 15 to 25 parts of polypropylene; 10 to 20 parts of polyethylene; 1-5 parts of a wear-resistant agent; 0.1 to 1 part of an antioxidant; and 0.05 to 0.5 part of an anti-ultraviolet absorbent. The solid tire rubber material adopting the fully-hydrogenated cyclic olefin polymer is good in processing fluidity and excellent in thermo-oxidative aging resistance, and a prepared solid tire has excellent wear resistance, good rebound resilience, high weather resistance, explosion-proof performance and puncture-proof performance; and the performance requirements of manufacturing artificial intelligence equipment tires such as meal delivery robots and remote control cars can be met.

The utility model relates to the technical field of fixing devices, and discloses a hub machining fixing device which comprises a mounting base, a rotating disc is rotationally connected to the upper surface of the mounting base, a mounting piece is fixedly connected to the upper surface of the rotating disc, and a limiting assembly is arranged on the outer surface of the mounting piece. The hub is placed on the outer surface of the mounting part, meanwhile, an electric telescopic rod extends to enable a jacking block to move towards the inner wall of the hub, a connecting rod drives a sliding block to move in a sliding groove in the moving process of the jacking block, and then after the jacking block makes contact with the inner wall of the hub, the elastic force of a small spring pushes the connecting position of a pressing block and the inner wall of the hub, so that the hub is fixed. According to the hub machining device, the friction force between the jacking block and the hub is increased, the hub cannot be loosened during rotating machining, after the sliding block stops moving, a limiting pin penetrates through the sliding block to enter the limiting hole, and then the hub can be more stably limited by the jacking block.

The utility model relates to a kind of rear derailleur and cycling equipment, rear derailleur includes base assembly, connecting rod assembly and guide plate assembly, guide plate assembly includes first guide plate, second guide plate, guide wheel and tension pulley, connecting rod assembly is connected with guide wheel, guide wheel and tension pulley rotatably connect between first guide plate and second guide plate;First guide plate is located in the side close to cycling equipment wheel body;Wherein, first end face and second end face are formed on guide wheel, first end face is close to first guide plate, second end face is close to second guide plate, the distance between first end face and the center reference surface of guide wheel is less than the distance between second end face and the center reference surface of guide wheel.When rear derailleur moves to maximum freewheel piece position, the distance between spoke and first guide plate increases, which helps to reduce the risk of first guide plate winding into spoke, and is safer.

Disclosed herein, a tire tread cutting apparatus for cutting a length of a tire tread is described. The tire tread cutting apparatus includes a track having a first track end and a second track end downstream of the first track end. The track includes a plurality of rollers positioned between the first track end and the second track end. The plurality of rollers is configured to facilitate the tire tread along the track. A tire hub is positioned downstream of and adjacent to the second track end. The tire hub is configured to receive a tire casing. The tire casing defines a tire casing circumference along an outer surface of the tire casing. A tread dispenser is positioned upstream of the track and configured to dispense tire tread. The tread dispenser includes a drive roller configured to drive tire tread downstream toward the second track end.

The invention discloses an elevator combined type overspeed protection device which comprises an overspeed protection device body, a traction wheel is installed on one side of the overspeed protection device body, a main shaft is inserted into the traction wheel in a penetrating mode, a speed reduction disc is fixedly arranged on the outer ring face of the main shaft, and a detection disc is fixedly arranged in the traction wheel. A detection wheel is installed on the upper side of the detection disc, a wheel speed detection device is arranged on one side of the detection wheel, a fixing frame is fixedly arranged on one side of the wheel speed detection device, and an overspeed protection device body is installed on the right side of the fixing frame. According to the combined type overspeed protection device for the elevator, the two sets of band-type brake plates are close to the speed reduction disc through the two sets of inverted-splayed transmission arms, the speed reduction disc is covered through the sealing gaskets on the band-type brake plates, and in cooperation with the overspeed protection device arranged on the elevator car, dual protection can be achieved when the elevator car overspeeds and falls; and the survival rate of people in the lift car is improved.

The utility model provides a kind of winding device wheel assembly dismounting structure, including guide rail assembly, base mechanism and two wheel assemblies, guide rail assembly includes guide rail frame and multiple mutually spliced guide rails, base mechanism includes base and two base half covers, every wheel assembly includes wheel, wheel shaft, fixed distance ring and two bearing assemblies, wheel shaft has shaft shoulder, shaft shoulder is set between one bearing assembly and the side of wheel, fixed distance ring is set between another bearing assembly and the other side of wheel.Such when replacing wheel assembly only need to unload base half cover, and unload the connection between bearing assembly and base, and wheel assembly can be replaced as a whole, without needing to disassemble and assemble components one by one, to improve replacement efficiency and speed up recovery production;And by improving the structure form of wheel bore and removing locking sleeve, under the bidirectional action of shaft shoulder and fixed distance ring, wheel will not appear the condition of running off, to avoid wheel deviation and prevent accidents.

The utility model discloses a conveying system consisting of a truss robot and longitudinal tracks, which is characterized in that wheel sets, two to three longitudinal tracks longitudinally arranged side by side, a plurality of overhauling devices, a wheel set buffer area and the truss robot are arranged in a railway vehicle depot or a plant of a vehicle plant axle workshop; each longitudinal track is provided with various maintenance devices arranged according to the process flow sequence, a transition track is arranged between every two adjacent maintenance devices on the same longitudinal track, and conveying of the wheel sets between the wheel set cache area and the transition tracks is achieved through the truss robot. The full-flexible production line has the main advantages that the labor intensity of workers is low, the automation degree is high, the occupied area is small, the operation efficiency is high, and the full-flexible production line in the true sense is achieved.

The invention relates to the technical field of tire disassembly, in particular to a quick tire disassembly method for mine sliding plate type wheelless equipment, which comprises a working plate formed by fixedly connecting a transverse plate with a forked front end so as to stably support the cambered surface of a tire and an inclined plate with a gradually narrowed rear end and a slightly upwarped rear end; a pair of solid wheels is fixedly connected to the outer side of the wheel shaft; and the pressurizing mechanism is connected in the inclined plate in a sliding manner and is used for increasing the output force of the inclined plate, so that the transverse plate pries a heavier tire with smaller force. Optionally, the pressurizing mechanism comprises a connecting plate, a limiting plate, a plurality of groups of threaded holes and nuts. Through the structure of the lever type transverse plate and the inclined plate and the structural design of the adjustable pressurizing mechanism, rapid and safe disassembly of the mine tire is achieved, the forked transverse plate bears the arc face of the tire, the tire is disassembled by means of the lever principle through cooperative force application of hands and feet, and the pressurizing mechanism improves the warping output force of the transverse plate under the heavy load working condition; and the manual operation intensity and the dismounting risk are greatly reduced.

The utility model discloses a multi-station wheel burr polishing device, and belongs to the technical field of machining. The device comprises a first station, a second station, a third station, a fourth station, a main motor and a rotating table, the output end of the main motor is vertically upward, and the output end of the main motor is connected with the rotating table and used for driving the rotating table to rotate; the rotating table is a cube, the four side walls of the rotating table correspond to a first station, a second station, a third station and a fourth station, and any side wall of the four side walls of the rotating table is used for installing wheels. The first station, the second station, the third station and the fourth station are sequentially distributed in the circumferential direction, and every two adjacent stations are spaced by 90 degrees. The first station is used for loading and unloading wheels; the second station is used for polishing burrs of a valve hole of the wheel; the third station is used for polishing window burrs of the wheel; and the fourth station is used for polishing burrs of bolt holes of the wheels. According to the device, multiple burr grinding procedures are completed in the device, and the machining efficiency is improved.

The application provides a machine tool performance testing machine, and relates to the field of machine tool performance testing. The machine tool performance testing machine comprises a workbench and two guide rail seats, the two guide rail seats are fixed to the two opposite sides of the workbench, a sliding rail is arranged on the guide rail seat, a sliding plate is arranged on the sliding rail in a sliding mode, a cross beam is arranged between the two sliding plates, and a driving mechanism for driving the sliding plate to slide is arranged on the two guide rail seats; the driving mechanism comprises a screw rod transmission part and a gear transmission part, the screw rod transmission part is arranged on the guide rail seat, and the gear transmission part is arranged between the guide rail seat and the sliding plate. The application has the effect of not needing to replace a testing environment or using multiple driving devices to perform testing in turns, so that time and effort are saved.

This utility model discloses a transport packaging box, including a base plate, an upper cover, and packing straps. The base plate is provided with several clamps for fixing the wheels of the equipment to be transported. The upper cover is movably mounted on the base plate and cooperates with it to form the packaging box body. Several packing straps are attached to the outside of the packaging box body to bind the base plate and the upper cover together. This utility model provides a transport packaging box where the base plate and upper cover are bound together by packing straps, facilitating assembly and disassembly. The clamps on the base plate clamp and fix the wheels of the equipment to be transported, preventing the equipment from moving during transportation.

The utility model discloses an anti-vibration and anti-loosening hub wedge lock nut which is a novel nut anti-loosening fastening technology mainly applied to various types of automobile hubs, other equipment hubs and mechanical equipment. The anti-loosening fastening performance of the nut in the long-time vibration and high-frequency vibration process is enhanced through the anti-vibration and anti-loosening hub wedge lock nut. The utility model relates to an anti-vibration and anti-loose hub wedge lock nut which is a technical upgrading version of an anti-vibration and anti-loose wedge lock nut (the patent number of authorized utility model is 2020212072105) in the patent technology of the utility model previously researched and developed in Yellow River and Chuanghua (the patent number of authorized utility model is 2020212072105). The anti-vibration and anti-loosening hub wedge lock nut comprises a wedge nut body (1) and a sleeve nut body (2). The device is characterized in that the wedge nut (1) is structurally provided with an arc-shaped wedge table (4), a conical base (5), a wedge nut thread (11) and a wedge table angle (r); the sleeve nut (2) is structurally provided with a wedge groove (6), a wedge groove angle (m), a sleeve top (7), a threaded hole groove (8) and a sleeve nut thread (10).

A process and a plant for producing tyres for vehicle wheels are described. Building of a crown structure of the tyre includes building a crossed belt structure on a substantially cylindrical first forming drum, transferring the crossed belt structure from the first forming drum to an annular holding member, positioning a second forming drum in a radially inner position with respect to the annular holding member, transferring the crossed belt structure from the annular holding member to the second forming drum by radially expanding the second forming drum until it is brought into contact with the crossed belt structure so as to toroidally shape the crossed belt structure, and depositing at least one zero degrees belt layer on the second forming drum in a radially outer position with respect to the toroidally-shaped crossed belt structure.

Figure 1 characterized in that the telescopic roller with brushes (3) and rollers and bearing (2) with drive shaft (1) telescopic rod (4) and (5) for attachment to all devices. This is characterized by the fact that the telescopic roller with brushes and drive rollers, as well as the telescopic rods (5) and (6), rest on the device wheels by their own weight and are thereby driven. Figure 2 characterized in that the telescopic roller with brushes and drive rollers (1) and (3) thereby generates the wind of the brushes.

The invention relates to the technical field of horticultural tractors, and discloses a wheel track self-adaptive adjustable horticultural tractor which comprises a main machine body, an engine is fixedly connected to the upper side of the front end of the main machine body, a watering mechanism is fixedly connected to the upper side of the engine, and a seeding mechanism is fixedly connected to the upper side of the middle of the main machine body. According to the garden tractor, through cooperation of the main machine body, the electric telescopic rod, the driving wheels, the double-head motor, the engine and the water spraying mechanism, the wheel track of the garden tractor can be adjusted in a self-adaptive mode, the garden tractor is in linkage with a water spraying system, and the problems that an existing garden tractor is single in function, and an existing water spraying system is limited in coverage range and poor in atomization effect are solved; through mutual cooperation of the seeding mechanism and the soil turning piece, the problems that most of horticultural tractors in the current market only have a simple turning function and are lack of linkage with the seeding mechanism, the seeding uniformity is poor in the operation process, and operation is tedious are solved.

The utility model belongs to the technical field of bicycle production, and discloses rim machining equipment. The wheel rim machining equipment comprises a rack, a rotary table mechanism, a clamping mechanism and a drilling mechanism, a workbench is arranged on the rack, the rotary table mechanism comprises a rotary table driving part and a rotary table, the rotary table is rotationally arranged on the workbench, the clamping mechanism is arranged on the rotary table and used for clamping a wheel rim, and the drilling mechanism is arranged on the rack and used for drilling the wheel rim. The drilling mechanism comprises a first manipulator and a second manipulator, a first drill bit is arranged at the tail end of the first manipulator, a second drill bit is arranged at the tail end of the second manipulator, and the first manipulator and the second manipulator are configured to respectively drive the first drill bit and the second drill bit to machine the same hole site in the rim step by step or synchronously machine two adjacent hole sites in the rim; wherein the first drill bits drill holes from the inner side to the outer side of the rim, the second drill bits drill holes from the outer side to the inner side of the rim, complex hole positions can be machined, manual operation is reduced, the labor intensity is lowered, and the production efficiency and the production quality are improved.

The utility model provides a safety baffle of a mechanical equipment tire. The safety baffle comprises a tire baffle arranged on the outer side of the mechanical equipment tire, and a detachable movable shaft for fixing the tire baffle to the outer side of the mechanical equipment tire from the front side and the rear side, the tire baffle is a vertical baffle with a left vertex angle and a right vertex angle formed by supporting a baffle net through a supporting framework, and an air charging and discharging mounting hole is formed in the center of the tire baffle and corresponds to a tire hub of mechanical equipment. By using the safety baffle for the tire of the mechanical equipment, when the tire is exploded, compressed air is prevented from impacting a tire rubber sheet, the tire rubber sheet impacts the baffle clamping steel pipe, and the clamping steel pipe drives the whole tire baffle to lean inwards through the inner steel pipe; the tire baffle is closer to the inside, and meanwhile, the clamping ring, the nut and other objects are prevented from impacting and hurting maintenance personnel outwards.

The present invention provides a photoelectric speed sensor, which belongs to the technical field of brake control systems. The shift fork of the photoelectric speed sensor is installed at the left end of the rotating shaft; the external main body of the housing is sleeved in the wheel axle of the external device, and the housing flange is installed at one end of the wheel axle of the external device; the first bearing is installed on the bearing seat; the second bearing is installed at the left end of the interior of the housing; the rotating shaft is installed in the interior of the housing, the right end of the rotating shaft is sleeved in the first bearing, and the left end of the rotating shaft is sleeved in the second bearing; the photoelectric seat is installed in the interior of the housing, and the photoelectric seat is electrically connected to the electrical connector; the bearing seat is installed at the right end of the interior of the housing; the encoder is sleeved on the rotating shaft, and the encoder is located on the left side of the interior of the photoelectric seat. It can effectively avoid speed measurement failure caused by photoelectric element failure; it has high resolution; it can realize the determination of the forward and reverse rotation of the wheel axle; the light reflection transceiver structure only requires the encoder and the photoelectric seat to be aligned, and the alignment requirement is low, which can reduce the machining accuracy requirements and the product assembly process requirements; and it has good dustproof characteristics.

This invention relates to a ridging device assembly, comprising a mounting assembly, first and second ridging device arms, a guide wheel, a linkage device, and an actuator. The mounting assembly is connected to the tool bar of an agricultural planter. The first and second ridging device arms respectively support first and second ridging device wheels, each rotatable about a corresponding first and second ridging device wheel axle. The guide wheel is disposed between the first and second ridging device arms and rotatably supported on a guide wheel axle located behind the first and second ridging device wheel axles. The linkage device operably supports the first and second ridging device arms and the guide wheel axle from the mounting assembly. The actuator is connected to the linkage device such that when the actuator is actuated, the downward pressure applied to the soil surface by the guide wheel changes.

The application relates to a kind of automatic centering methods and systems of tire type engineering transport equipment wheel group, belong to engineering machinery technical field, method includes obtaining vehicle body heading angle and the wheel group heading angle of each steering wheel group;According to the vehicle body heading angle and the wheel group heading angle, the relative deflection angle of each steering wheel group relative to vehicle body is calculated;Based on the relative deflection angle, control signal is generated, and the steering execution mechanism is driven to adjust the rotation angle of each steering wheel group until the relative deflection angle of each steering wheel group meets the preset centering condition;When the relative deflection angle of each steering wheel group meets the preset centering condition, the current position of each steering wheel group is calibrated as centering zero position.The application converts the traditional reliance on manual visual line centering into automatic centering based on heading angle closed-loop control, effectively solves the problem of low manual calibration precision and complicated operation, and realizes the automation of wheel group centering calibration.

Wheel bearing device comprising: an outer element (5) which is formed in one piece on its inner circumference with double-row outer walking path surfaces (5a, 5a); an inner element (3) which is formed on its outer perimeters with double-row inner walking path surfaces (1a, 2a) which are opposite the double-row outer walking path surfaces (5a, 5a); and double-row rolling elements (4, 4) which are arranged to roll in a space between the inner running path surfaces (1a, 2a) of the inner element (3) and the outer running path surfaces (5a, 5a) of the outer element (5); a wheel mounting flange (6 or 6') for attaching a wheel over a brake disc, which is attached to a rotating side of one of the outer element (5) or the inner element (3); and Hub bolts (6a) for fastening the wheel, which is secured to the wheel mounting flange (6 or 6') along its periphery at a uniform distance, wherein weight reduction openings (13, 15 or 16) are formed between hub bolts (6a) of the wheel mounting flange (6 or 6'); characterized in that: that an annular groove (7a) enclosing a region in which the hub bolts (6a) are fastened is formed on the outer side surface (7) of the wheel mounting flange (6 or 6'), and that a diameter of a circumcircle (ø A or ø C) circumscribing the weight reduction openings (13, 15 or 16) is dimensioned larger than an outer diameter (ø B) of the annular groove (7a), or the weight reduction openings (13, 15 or 16) are open to an outer circumferential surface of the wheel mounting flange (6 or 6').

The invention relates to a pivot drive for a loading and / or unloading device, to a loading and / or unloading device having a pivot drive, to a tyre heating press and to a method for treating tyres. According to the invention, a linear drive movement is converted into a rotational movement, so that a precise and smooth pivoting movement can be achieved. The linear movement axis of the linear drive is parallel or identical to the rotation axis of the pivot drive.

The utility model relates to an automobile dust fall device, which comprises an automobile main body, a wheel trim and a dust collection device, the wheel trim is fixed on the automobile main body, the wheel trim is positioned above a hub of the automobile, the wheel trim is an arc-shaped shell, two side end walls are provided with first air inlets, and an inner arc-shaped wall is provided with second air inlets; the outer arc-shaped wall is provided with air outlets; the dust collection equipment is communicated with the air outlet hole. When an automobile runs on a road and rotates, dust around tires rises to form raised dust, dust collection equipment in the prior art starts to work, an air outlet is communicated with the dust collection equipment, and the raised dust is sucked into wheel eyebrows through two first air inlet holes and a second air inlet hole and further enters the dust collection equipment to complete dust collection treatment. Through the structural arrangement, desorption and suspension of ground particles caused by airflow disturbance generated by wheel rotation can be captured in real time, raised dust generated in the automobile running process is effectively reduced, and therefore the air quality is improved, and air pollution is reduced.

Wheel bearing device connected to a wheel speed detection device, comprising: - an outer element (5, 50) which is provided on an outer circumference with a mounting flange (5b) for attachment to a suspension device of a vehicle and is also provided on its inner circumference with two rows of outer running ring surfaces (5a); - an inner element (3, 49) comprising a wheel hub (1, 48) and at least one inner ring (2), wherein the wheel hub (1, 48) is integrally formed at one end with a wheel mounting flange (6) and has a cylindrical section (1b) extending axially from the wheel mounting flange (6), wherein the inner ring (2) is press-fitted onto the cylindrical section (1b) of the wheel hub (1, 48) and the wheel hub (1, 48) and the inner ring (2) are provided on their outer circumference with two rows of inner raceway surfaces (1a, 2a) opposite the two rows of outer raceway surfaces (5a); - two rows of rolling elements (4) which are mounted in a rolling manner between the inner (1a, 2a) and the outer raceway surfaces (5a); - Seals (8, 9, 51) which are fitted in annular openings formed between the outer element (5, 50) and the inner element (3, 49); - a sensor holder (10, 27, 37, 40, 43, 56, 69) comprising an annular cover (11, 28, 38, 41, 44) that is press-fitted onto the outer circumference of an inner end section of the outer element (5, 50), and a resin-based retaining section (12, 29, 39, 42, 45) connected to the cover (11, 28, 38, 41, 44) and containing a wheel speed sensor (14, 36, 64); and - a pulse ring (61) arranged on the outer circumference of the inner ring (2) and having circumferential features that change alternately and at equal intervals, wherein the pulse ring (61) is arranged such that it faces the wheel speed sensor (14, 36, 64) across a predetermined axial gap, - wherein the cover (11, 28, 38, 41, 44) comprises a cylindrical fitting section (11a, 28a, 44a) suitable for press-fitting onto the inner end section of the outer element (5, 50), a flange section (11b, 28b, 44b) extending radially inwards from the fitting section (11a, 28a, 44a) and suitable for being brought into close contact with the end face of the outer element (5, 50), and a bottom section (11c, 28c, 38c, 44c) extending further radially inwards from the flange section (11b, 28b, 44b) towards the inner ring (2) and on the inner side of the inner ring (2), wherein a fastening section (20, 30, 41a) is attached to the bottom section (11c, 28c, 38c, 44c) of the cover (11, 28, 38, 41, 44) is formed such that it projects from the bottom section (11c, 28c, 38c, 44c) to the inside on a radially outer section of the bottom section (11c, 28c, 38c, 44c); - wherein the retaining section (12, 29, 39, 42, 45) is integrally connected to the fastening section (20, 30, 41a) of the bottom section (11c, 28c, 38c, 44c), wherein the retaining section (12, 29, 39, 42, 45) is arranged over a region extending beyond the outer circumference of the fastening section (20, 30, 41a) to the fitting section (11a, 28a, 44a); and - wherein the flange section (11b, 28b, 44b) is shaped such that it has a flat surface such that it forms a bearing width greater than 5 mm or more on the end face of the outer element (5, 50) or greater than 50% or more in relation to the flat width of the end face of the outer element (5, 50).

The application discloses a kind of automatic cable pulling and cutting system, including: cutting device, pulling driving device, reel storage device and wheeled support equipment;Reel storage device is used to store steel strand reel, pulling driving device is installed on one side of reel storage device, cutting device is arranged beside pulling driving device, and pulling driving device is used to pull and send steel strand for cutting device, and cutting device is used to cut steel strand;Wheeled support equipment is installed between pulling driving device and reel storage device, and wheeled support equipment provides a circular arc support surface for steel strand between pulling driving device and reel storage device.The automatic cable pulling and cutting system solves the problem that steel strand moves randomly when pulling driving device stops pulling due to the weight of steel strand in the prior art.

The invention relates to a rodless traction AGV, and relates to the technical field of traction equipment, and the rodless traction AGV comprises an AGV body; one end of the lifting frame is hinged to the AGV body, and the lifting frame turns over in the vertical direction; the lifting component is fixedly arranged on the lifting frame, the lifting component is arranged below the plane where the wheel center of the to-be-dragged equipment wheel is located, and when the lifting component moves to the position below the plane where the wheel center is located, the front side of the to-be-dragged equipment wheel is supported; the wheel holding assembly is arranged on the lifting frame, supports the rear side of the to-be-dragged equipment wheel are formed below the plane where the wheel center of the to-be-dragged equipment wheel is located, and the wheel holding assembly and the lifting component form bilateral supports for the to-be-dragged equipment wheel; and the linear moving assembly drives the lifting frame to rotate around the hinge point so as to lift the equipment wheel to be dragged. The device has the advantages that the whole lifting process is more stable and more controllable, the to-be-dragged equipment is not prone to accidental shaking, and the positioning precision is higher.