82 results about "Trailing arm" patented technology

A rail connector assembly for connecting a mobile machine to an electrically-conducting rail system includes a boom assembly, a trailing arm assembly and a contactor assembly. The boom assembly includes a main boom and a boom tip. A first end of the main boom is configured to be coupled to the mobile machine, and a second end of the main boom opposite to the first end is pivotably coupled to the boom tip. The boom tip includes an angled portion that extends at a non-zero angle from a longitudinal axis of the main boom. The trailing arm assembly is pivotably coupled to an end of the boom tip. The contactor assembly is pivotably coupled to an end of the trailing arm assembly.

A trailing arm assembly includes a frame bracket attachable to a planter towing frame, a first frame, and a four bar parallel linkage connecting the frame bracket and the first frame with a first pivot and a second pivot on the frame bracket and a first pivot and a second pivot on the first frame. The trailing arm assembly also includes an adjustable biasing member extending from the parallel linkage to the frame bracket. The parallel linkage is connected between the first frame and the frame bracket such that the parallel linkage maintains a parallel orientation of the first frame. The adjustable biasing member is adjustably connected to a portion of the parallel linkage.

Walk-behind floor treatment machine comprising: a base portion provided with and supported by at least one rotatable work head for treating the floor, a handle portion for steering or guiding the machine along a working direction of travel and adapted to be pivotable with respect to the base portion, drive means for rotating the work head with respect to the base portion, floor-engaging wheel means for supporting the handle portion, the wheel means having a substantially transverse axis of rotation so as to permit travel in the working direction, the wheel means being coupled to the base portion by a linkage which permits vertical travel of the base portion and associated work head or heads with respect to the wheel means, but which provides transverse constraint to limit or prevent yawing of the base portion with respect to the wheel means, wherein a lower region of the handle portion is pivotably connected to the wheel means so that the handle portion may pivot through a generally vertical arc, and wherein a handle pivot lock mechanism is provided in which the adoption of a predetermined handle portion orientation permits one or more locking feature to act on one or more corresponding constraint feature so as to prevent pivoting movement of the handle portion with respect to the linkage, whereby tilting back of the locked handle portion causes a corresponding rise of the linkage and base portion with work head so as to lift them from the floor surface, wherein a squeegee suction device is provided for collecting and entraining liquid lifted from a floor surface over which the machine travels, the squeegee suction device being attached to the wheel means via one or more trailing arm which is attached at one end region to the squeegee device and at the opposite end region is pivotably attached to the wheel means for pivoting co-axially about the said transverse axis of rotation, the arrangement being such that the trailing arm and squeegee may pivot up or down about the transverse axis as they trail behind the treatment machine.

A gauge wheel coupled to a trailing arm assembly of a planter, the gauge wheel including a hub rotatable about an axis of rotation, a rim coupled to the hub and including a perimeter edge, the rim having a first side and second side opposite the first side, a first plurality of tread portions extending from the first side and positioned radially inward from the perimeter edge, and a second plurality of tread portions extending from the second side and positioned radially inward from the perimeter edge.

The utility model relates to the technical field of bushings, in particular to a high-stability rear trailing arm bushing with an integrated structure, which comprises an outer sleeve, an inner core, a spring and a rubber body formed between the outer sleeve and the inner core, the inner core is located on the inner side of the outer sleeve. The spring is sleeved in the middle of the inner core and is immersed in the rubber body, so that not only can a larger lateral load and a larger torsion angle be borne, but also a stronger axial load can be still achieved under the condition that the rubber body is aged, and the capacity of absorbing vibration energy and the comfort of an automobile in the running process are ensured.

The utility model relates to the technical field of bushings, in particular to a plunger type rear trailing arm bushing which comprises a plunger type inner core, an elastic body bonded on the outer side wall of the plunger type inner core, an outer sleeve bonded on the outer side wall of the elastic body, trapezoidal sliding grooves formed in the two ends of the outer sleeve, and baffles rotating along the trapezoidal sliding grooves and arranged on the two end faces of the outer sleeve. A plurality of limiting assemblies used for preventing the baffles from falling off are installed on the baffles, and limiting rods which are used for being unfolded in the trapezoidal sliding grooves and meshed with one another are arranged in the limiting assemblies. By increasing the thickness of the outer sleeve and arranging the baffles at the two ends of the outer sleeve, rainwater or corrosive media can be effectively prevented from being splashed to the position where the elastic body of the lining is located by wheels in the running process of a vehicle, and therefore the service life of the lining is prolonged; and by extruding the cover plate, the multiple limiting rods can be unfolded at the same time through the push rod, the limiting rods are located in the trapezoidal sliding grooves, and the baffles are prevented from falling off.

The utility model provides a torsion beam type suspension and a vehicle, the torsion beam type suspension comprises two trailing arms which are oppositely arranged at an interval, and each trailing arm is provided with a wheel mounting rack; the cross beam is connected between the two longitudinal arms; the damping piece is connected between the two longitudinal arms and located on one side of the cross beam, at least one end of the damping piece is movably connected with the longitudinal arms, and the damping piece is arranged in a telescopic mode. The torsion beam type suspension solves the technical problem that a torsion beam type suspension in the prior art cannot restrain the change of the wheel track of a rear axle when left and right wheels jump reversely.

A vehicle body assembly (100) and a vehicle. The vehicle body assembly (100) comprises: a longitudinal beam body (10) and a rocker panel (40), wherein the longitudinal beam body (10) is connected to the rocker panel (40), and the rocker panel (40) defines a first accommodating cavity (41); first mounting members (13), wherein the longitudinal beam body (10) is provided with first clearance holes (12), the first mounting members (13) are arranged on the longitudinal beam body (10) and aligned with the first clearance holes (12), and the first mounting members (13) are adapted to be fitted and assembled with a suspension trailing arm of a vehicle; and a sealing member (80), wherein the end of the longitudinal beam body (10) close to the rocker panel (40) is provided with a second clearance hole (14), and the sealing member (80) is arranged on the longitudinal beam body (10) and aligned with the second clearance hole (14) so as to block the second clearance hole (14).

Regarding the torsion beam, the deformation of the reinforcement is suppressed. [Solution] The disclosed torsion beam 2 comprises a beam body 3, a reinforcement 4, a circular weld 41, and a linear weld 42. The beam body 3 connects a pair of left and right trailing arms 1. The reinforcement 4 reinforces the connection point between the trailing arms 1 and the beam body 3. The circular weld 41 is formed by welding the reinforcement 4 to a beam hole 6 drilled in the beam body 3. The linear weld 42 is formed by linearly welding the front and rear end edges 15 of the reinforcement 4 to the beam body 3 and extends further inward in the vehicle width direction than the circular weld 41. The inner end edge 16 of the reinforcement 4 has a recess 17. The recess 17 is shaped to approach the circular weld 41 in the center of the vehicle's longitudinal direction and is recessed outward in the vehicle width direction than the welded end of the linear weld 42.

A commercial airliner (2, figure 1) comprising a trailing-link type main landing gear 24 is disclosed. The landing gear has a rigid support arm 20 and a pivotable trailing arm 32 coupled thereto. The

The invention discloses an automobile rear half trailing arm suspension mounting structure and an automobile, and relates to the technical field of automobiles, the mounting structure comprises an automobile body floor assembly, two first fixing seats, two second fixing seats and two rear half trailing arm suspensions, and a plurality of floor cross beams are arranged on the automobile body floor assembly at intervals; the two first fixing seats are symmetrically arranged on the outer side of a vehicle body floor assembly and located on a floor cross beam, the two second fixing seats are symmetrically arranged in the middle of the vehicle body floor assembly and located on the floor cross beam, and outer side supporting arms of the two rear half trailing arm suspensions are correspondingly arranged on the two first fixing seats. Inner side support arms of the two rear half trailing arm suspensions are correspondingly arranged on the two second fixing seats, above the plurality of floor cross beams and between the two rear half trailing arm suspensions to form an arrangement space for fixing a power battery and a rear drive motor, so that the arrangement space of the power battery and the rear drive motor is increased, the jumping envelope of a rear drive half shaft is avoided, and the service life of the rear drive half shaft is prolonged. And the arrangement space of the rear drive motor and the jumping envelope of the rear drive half shaft are not occupied.

The utility model discloses a kind of welding positioning devices of towed arm, including bottom plate, the upper surface of the bottom plate is fixedly connected with positioning column, the upper end of the positioning column is fixedly connected with expansion sleeve, the inner wall of the expansion sleeve is slidably connected with pressure pad, the bottom of the pressure pad is fixedly connected with sliding block, the hole of the sliding block inside is slidably connected with support rod, one side of the sliding block is fixedly connected with spring, the other end of the spring is fixedly connected with expansion sleeve, the bottom plate upper end is fixedly connected with several support columns, by setting positioning column, expansion sleeve, it can be reduced by expansion fixed towed arm to improve production quality to reduce the indentation inside and appearance on towed arm hole.

The invention discloses a wheel alignment adjuster 200 for a vehicle having a vehicle body 104 including a chassis frame and a steering system connecting to wheels 106a, 106b A coupling Arm 100 is mounted on the vehicle body 104 and connects the wheel 106a, 106b of the vehicle with the vehicle body 104. The wheel alignment adjuster 200 includes a cam screw 101 having an eccentric slot 101a and a cylindrical holder 102, wherein the cam screw 101 is in bolted connection with the cylindrical holder 102. The wheel alignment adjuster 200 is mounted on the vehicle body 104 and is rotated about central axis of the eccentric slot 101a for wheel alignment correction. The invention provides a compact, simplified and cost-effective solution for wheel alignment as well as vehicle chassis, steering column and / or trailing arm 105 orientation correction for a vehicle.

The invention discloses a rear suspension system and a vehicle, and the rear suspension system comprises a rear suspension body which comprises a rear axle, lower trailing arms and a V-shaped thrust rod, the lower trailing arms are arranged at the two ends of the rear axle, and the V-shaped vertex of the V-shaped thrust rod is connected to the middle of the rear axle; the mounting structure comprises a first cross beam and a first longitudinal beam, first connecting pieces are arranged on the top walls of the two ends of the first cross beam, and second connecting pieces are arranged on the side walls of the two ends of the first cross beam; one end of the lower trailing arm away from the rear axle is connected to the first connector; the two ends of the V-shaped thrust rod are connected to the corresponding second connecting pieces respectively. By arranging the mounting structure composed of the first cross beam and the first longitudinal beams at the two ends, the lower longitudinal arm is connected with the first connecting piece, the two ends of the V-shaped thrust rod are connected with the second connecting piece, and therefore vertical impact, lateral force, torque and alternating load borne by the rear suspension body in the running process can be reasonably dispersed; stress concentration of the connecting part is avoided, and the problems of metal plate deformation, weld joint cracking, suspension loosening and the like are solved.

The application discloses a high-integration angle module for an agricultural vehicle and relates to the technical field of agricultural machinery equipment. The application comprises a framework body, a steering unit is installed at each corner of the framework body, a suspension unit is installed at the output end of the steering unit, a wheel hub motor driving unit is rotatably installed on the suspension unit, the steering unit drives the wheel hub motor driving unit to perform steering control by applying a rotating torque to the suspension unit, wherein the suspension unit comprises a supporting suspension fixed at the output end of the steering unit, and a trailing arm is hingedly connected to the bottom end of the supporting suspension. The application performs geometric optimization design on the suspension unit, the center of the wheel shaft is downwardly offset relative to the main axis of the trailing arm to form a gravity center sinking structure, the upper mounting point of an elastic return member is lowered to shorten the force arm, the vertical displacement amount of the center of the wheel hub motor driving unit is greater than the compression deformation amount of the elastic return member, and the ability of the vehicle to cross obstacles and the passability of the vehicle on complex terrains are significantly enhanced in limited installation space.

The application discloses a torsion beam longitudinal arm, a torsion beam assembly and a longitudinal arm manufacturing method. The longitudinal arm comprises a first part and a second part which are distributed in a circumferential direction, a transition part is arranged between the first part and the second part, and the first part, the second part and the transition part enclose a tubular structure. The wall thickness of the first part is greater than that of the second part. The longitudinal arm increases the wall thickness of the welding position of the longitudinal arm and the cross beam, and compared with increasing the wall thickness of the whole longitudinal arm, the strength of the longitudinal arm can be improved while the light weight is realized, the fatigue failure risk of the welding position of the longitudinal arm and the cross beam is reduced, and the fatigue life of the welding position of the longitudinal arm and the cross beam can be increased by about 25%.

An off-road vehicle includes a frame, a front suspension, and a rear suspension. In some examples of the off-road vehicle, the rear suspension includes trailing arms with are pivotally attached to the frame rearward of an operator area. Further, the frame can include a front subframe assembly and a rear subframe assembly which are easily removable from the main frame of the vehicle to permit access to various components of the off-road vehicle.

A seeding apparatus comprises an implement frame and a trailing arm apparatus pivotally attached at a front portion thereof to the implement frame and extending rearward and downward to a packer wheel. The trailing arm apparatus is biased downward and the packer wheel moves upward and downward against a downward bias force. A shank is pivotally attached to the trailing arm apparatus and a furrow opener attached to a lower end of the shank. The shank is operative to pivot forward and rearward about the shank pivot axis in a trip range between a forward shank operating position and a rearward stop member. A shank bias element is attached to the shank operates to exert a shank bias force on the shank toward the shank operating position. A shock absorber is operative to compress when the shank pivots to a rear end of the trip range.

The utility model provides an electric wheel mining dump truck rear axle housing and an electric wheel mining dump truck, and relates to the technical field of electric wheel mining dump trucks, the electric wheel mining dump truck rear axle housing comprises a trailing arm support, a front trailing arm and a rear axle housing body, the trailing arm support, the front trailing arm and the rear axle housing body are connected in sequence, the trailing arm support is a casting part, the front trailing arm comprises a box type trailing arm structure, the rear axle housing body is of a cylindrical structure, and a first reinforcing structure is arranged in the rear axle housing body. The rear axle housing of the mining dump truck with the electric wheels has higher structural strength, stability and anti-fatigue performance, and is light in weight.

The utility model relates to the technical field of automobiles, and discloses a torsion beam suspension structure which comprises a torsion beam trailing arm, a steering knuckle, a steering pull rod and a plurality of ball bushings, and the steering knuckle is connected with the torsion beam trailing arm through the ball bushings. The multiple ball bushings are arranged at intervals in the Z direction, and the central axes of the ball bushings extend in the X direction and are parallel to one another. The steering pull rod is connected to one end, in the X direction, of the steering knuckle and used for applying push-pull force to the steering knuckle and driving the steering knuckle to rotate around the axis parallel to the Z direction relative to the torsion beam trailing arm. According to the torsion beam suspension structure, the steering knuckle is connected with the torsion beam trailing arm through the plurality of ball bushings, so that the steering knuckle can rotate around the Z direction, the minimum turning radius is reduced, and the control performance is improved.

The application discloses an automobile rear suspension disassembling and assembling online device and a use method thereof, and has the following characteristics: a disassembling table frame; an automobile rear suspension disassembling and assembling table installed on the disassembling table frame, which can install an automobile rear suspension; and an automobile rear coil spring pressing unit used in cooperation with the automobile rear suspension disassembling and assembling table, which can install an automobile rear coil spring, quickly and accurately position a vehicle body mounting hole, quickly and safely realize rear coil spring pressing, and quickly and accurately position and assemble a rear subframe and a rear trailing arm mounting support, and has the advantages of simple structure and convenient operation.

The utility model discloses an automobile rear trailing arm lining reverse press fitting device which comprises a press machine and is characterized by further comprising a press fitting mechanism and a bottom plate. The press-fitting mechanism comprises a lining press-fitting upper connecting plate and a lining pressing head, the lining press-fitting upper connecting plate and the lining pressing head are matched in a sliding connection mode and fixed through a bolt, and the lining press-fitting upper connecting plate is fixedly connected with the upper end of the press machine through a bolt; the bottom plate is connected with a press machine bottom plate through bolts. A rear trailing arm assembly positioning unit is arranged on the bottom plate, two groups of rear trailing arm press-fitting supporting pins are arranged on two sides of the rear trailing arm assembly positioning unit, and rear trailing arm press-fitting limiting pins are arranged above the rear trailing arm press-fitting supporting pins. The lining reverse press-fitting device is reasonable in structural design, small in occupied area and high in universality, lining reverse press-fitting can be completed through a common press, and meanwhile welding assembly damage caused in the lining reverse press-fitting process can be effectively reduced.

The invention discloses a new energy automobile chassis trailing arm laser hybrid welding system, and relates to the technical field of new energy automobile chassis trailing arm welding. Energy output of laser and electric arc can be automatically adjusted according to real-time parameters of a welding area, it is ensured that welding seam forming is stable and free of defects, and particularly, excellent flexible adaptation capacity is shown when trailing arms of different specifications are coped with. In addition, clamping deformation of the workpiece is effectively avoided through pressure closed-loop control of the clamping system, heat input management is further optimized through introduction of the water cooling system, the deformation quantity after welding is strictly controlled within 0.5 mm, and an additional shape correcting procedure is not needed. The linkage design of the dust removal system and the welding station house not only improves the working environment, but also improves the safety and the operation convenience. The whole scheme has high efficiency, reliability and environmental protection performance, a brand new technical solution is provided for the new energy automobile industry, and the method has important application and popularization value.

This protects the battery pack, which is installed on the lower side of the floor, from impact loads. [Solution] The lower structure of the electric vehicle includes a battery pack 10 positioned between the side members, a hanger member 60 provided on the side member to which a trailing arm is connected, and a side bracket 70 extending from the hanger member 60 toward the side sill 40, wherein the rigidity of the side bracket 70 in the vehicle width direction is set lower than the rigidity of the hanger member 60 in the vehicle width direction.

This invention relates to a walking device based on a cross-type compliant variable diameter wheel and a trailing arm independent suspension, comprising: a working platform housing a drive motor; two sets of trailing arm independent suspensions; each set of trailing arm independent suspensions includes a gearbox, a pair of outriggers, and spring damping. The gearbox is rotatably connected to the side wall of the working platform, and the upper end of each outrigger is fixedly connected to the gearbox, while its lower end is rotatably connected to a variable diameter wheel capable of adjusting posture. A chain drive mechanism is provided within each outrigger to drive the variable diameter wheel. The drive motor, gear drive mechanism, and chain drive mechanism sequentially engage to form a power transmission route. By combining the trailing arm suspension with terrain-adapting capabilities with the variable diameter wheel capable of active posture adjustment, the device can adapt to uneven road surfaces within a certain range, ensuring traction, and can also actively adjust its posture to adapt to more complex road environments, enhancing terrain adaptability and the walking stability of the mobile system.

The utility model discloses a tow arm of wrecker, including first support frame, the first support frame inside sliding connection has first telescopic arm, the tow arm of wrecker still includes fixed subassembly and locking subassembly, the fixed subassembly can fix car tire, the fixed subassembly includes a pair of second support, the side wall on second support is integrally formed with limit support, the second support is slidingly connected with second telescopic arm, the fixed connection of locking support has on second telescopic arm, the locking support is L -shaped, the locking support is fixedly connected in limit support away from second telescopic arm one end, the locking subassembly is used for locking first telescopic arm. Compared with prior art, the utility model discloses a tow arm of wrecker, does not need to replace the calliper when towing the car, can be applicable to the most domestic car on the market, can effectively reduce the use cost of wrecker, does not need staff to lie on the ground and observe the position of car bearing frame when towing the car, is convenient to use.

The utility model belongs to the technical field of automobile suspensions, and relates to a multi-connecting-rod independent integral axle composite suspension and a chassis, suspension assemblies are symmetrically installed at the two ends of a main axle, and each suspension assembly comprises an upper swing arm, a lower swing arm, a wheel center stand column, a direction pull rod and a shock absorber. The bottom of the wheel center stand column is in spherical hinge connection with the main axle and the girder through a lower swing arm and a rear dragging arm respectively, the top of the wheel center stand column is in spherical hinge connection with the main axle through an upper swing arm, the middle of the upper swing arm is rotationally connected with one end of an inner swing arm through a first pull rod, and the inner swing arm is connected with a shock absorber through a second pull rod. A sliding groove is formed in the main axle, the inner swing arm is fixedly connected with an inner swing arm connecting rod, and the inner swing arm connecting rod horizontally slides in the sliding groove in a limited mode. A pure mechanical structure is adopted to combine an independent suspension and an integral bridge suspension into a whole, the working modes of the independent suspension and the integral bridge suspension are switched according to the compression stroke of the suspension, the unsprung mass of a traditional hard bridge is reduced, and comfort and controllability are improved.

The utility model discloses a trailing arm gear box plate spring suspension which comprises a device body, and the device body comprises a trailing arm gear box, a first hinge seat, a second hinge seat, a driving motor and a driving wheel. The first hinge seat is installed on the front side of the left end of the dragging arm gearbox, the second hinge seat is installed on the front side of the right end of the dragging arm gearbox, the driving motor is installed on the first hinge seat, the driving end of the driving motor is connected with the input end of the dragging arm gearbox, and the driving wheel is installed on the rear side of the left end of the dragging arm gearbox. The driving end of the driving wheel is connected with the output end of the dragging arm gear box; the first hinge seat and the second hinge seat are both of a T-shaped structure, each of the first hinge seat and the second hinge seat comprises a lower seat plate and a top supporting plate, the lower seat plates are located at the bottoms of the top supporting plates, and a group of locking holes which are symmetrically distributed are formed in the tops of the top supporting plates. According to the device, the stability and the structural strength after the suspension and the transmission mechanism are installed can be effectively improved.

A work machine (100) includes an electric engine (102), a battery operably connected to the electric engine (102), a traction device (104) configured to move the work machine (100) along a ground surface when powered by the electric engine (102), and an arm (110) supported by a frame (103) of the work machine (100). The arm (110) is configured to extend away from the work machine (100) and to deliver electrical energy to the work machine (100) during movement of the work machine (100) along the ground. The work machine (100) also includes a trailing arm (116) connected to the arm (110) and a contactor (118) connected to the trailing arm (116). The contactor (118) is configured to contact a surface of an electrical rail (108) to form an electrical connection with the electrical rail (108) when the arm (110) extends away from the work machine (100).

The embodiment of the invention discloses a method, a device, a medium and equipment for analyzing the attitude of a rake arm of a trailing suction dredger, and the method comprises the following steps: taking a hull and the rake arm of the trailing suction dredger as rigid bodies, and taking a wave compensator of the trailing suction dredger as a flexible body; a multi-body system block matrix coupling equation of the trailing suction hopper dredger is constructed with the fluid-solid action additional mass of the dredger body and the trailing arm as the rigid body additional mass; acquiring an external load vector acting on the trailing suction dredger; and solving the multi-body system block matrix coupling equation of the trailing suction dredger based on the external load vector to obtain the rake arm posture of the trailing suction dredger. According to the embodiment of the invention, the analysis precision of analyzing the attitude of the rake arm can be improved.