83 results about "Suspension spring" patented technology

This invention provides an autonomous mobile robot for transporting items loaded on its top surface. The robot includes: a bottom frame; a pair of main drive units positioned below the bottom frame and operated by a drive motor; and four casters positioned adjacent to the lower corners of the bottom frame, wherein each main drive unit includes: a roller bracket fastened to the drive motor; a main roller rotatably fastened to the roller bracket and rotatable by receiving power from the drive motor; a suspension spring positioned between the roller bracket and the bottom frame; a stop bracket fastened to the roller bracket; and an upper stop positioned on the bottom surface of the bottom frame facing the stop bracket.

The utility model relates to the technical field of automobile suspension spring production, and discloses a cutting device for automobile suspension spring production, which comprises a base, a spring body and a cutting machine are arranged on the base, a pushing mechanism is arranged on the base, and the pushing mechanism comprises a sliding plate. A pushing mechanism is arranged to start an electric push rod and an extension rod to push a fixing plate, so that a sliding seat slides rightwards, a sliding column moves upwards under the action of a sliding groove, a pressing plate relieves limiting of a spring body, the fixing plate abuts against the spring body and pushes the spring body rightwards, and when the spring body reaches the corresponding position, a hydraulic machine and a cutting machine are started to cut the spring body. And when the electric push rod is reset, the fixing plate abuts against the extension rod to rotate leftwards, the extension rod abuts against the torsional spring, the torsional spring rebounds to enable the extension rod to reset after limiting is relieved, the fixing plate continues to be pushed, the time and energy of workers are reduced, and the working efficiency is improved.

The utility model relates to the technical field of automobile suspension springs, and discloses a cutting device for processing and manufacturing an automobile suspension spring, which comprises a cutting machine and a positioning component. The cutting machine, the control box, the cutting box, the cutting motor, the cutting disc, the workbench and other structural components are arranged, the automobile suspension spring is cut off through the cutting machine, the automobile suspension spring is positioned and fixed through the positioning assembly, the automobile suspension spring is clamped and fixed through the downward pressing assembly, and the cutting disc is driven to move through the moving assembly; through cooperative use of a sliding block and a sliding rod, a cutting disc moves stably, a workbench is kept stable in a cutting box through a protruding block, the effects that the automobile suspension spring is conveniently clamped and fixed, and the automobile suspension spring is conveniently cut off are achieved, and the problem that when the automobile suspension spring is cut, the cutting efficiency is high is solved. The automobile suspension spring can deform, and cutting dislocation is caused.

A drive device of a rigid-axle electrified vehicle includes an electromotive drive unit, a final speed reducer, an axle housing, and a transmission shaft. The electromotive drive unit is provided in a vehicle body. The final speed reducer divides dynamic power from the electromotive drive unit to right and left drive wheels. The axle housing couples the right and left drive wheels and houses the final speed reducer. The transmission shaft transmits dynamic power from the electromotive drive unit to the final speed reducer. The axle housing supports the vehicle body through a suspension spring. The transmission shaft is disposed in a vehicle-width direction. A first end of the transmission shaft in the vehicle-width direction is coupled to the electromotive drive unit through a first joint. A second end of the transmission shaft in the vehicle-width direction is coupled to the final speed reducer through a second joint.

A motor vehicle wheel suspension system comprising, on each side of a vehicle chassis (2), a suspension arm (8) arranged substantially along the longitudinal direction of the vehicle, comprising at one end a pivot (6) connected to the chassis having a transverse axis, at the other end (10) a suspension spring (12) connected to this chassis, and comprising between the two ends a wheel hub support (28) equipped with a brake (34), the suspension arm (8) comprising two parts (20, 22) connected to each other by a joint (24) having a transverse axis, and a locking mechanism (26) for this joint (24) in several angular positions, the wheel hub (28) being on the part of the arm (22) which, during braking of the wheel (30), applies a reaction torque to it which tends to lower the joint (24). Figure 1

Powder coating compositions are provided comprising: a) zinc metal in an amount of at least 20 percent by weight and less than 50 percent by weight; b) a resinous binder component in an amount from 35 percent by weight to 77 percent by weight, based on total weight of the powder coating composition; and c) micronized rubber particles in an amount from 3 percent by weight to 15 percent by weight, based on total weight of the powder coating composition. The micronized rubber particles demonstrate a particle size smaller than ASTM E11 Test Sieve Size 200 mesh (74 microns). Also provided are coated articles, in particular, coated vehicle suspension springs, comprising: a) a substrate; and b) a coating layer formed from the powder coating composition described above applied to at least a portion of the substrate. The substrate comprises steel in the coated vehicle suspension spring.

The application relates to the aluminum alloy processing technical field and discloses a new energy truck aluminum alloy box body, which comprises a detachable truck box frame, the truck box frame comprises aluminum alloy side plates spliced through supports, triangular irons are arranged at the corner positions of the supports, rotatable inner frames are arranged on the aluminum alloy side plates, a traction assembly for driving the inner frames to rotate is further arranged in the truck box frame, the traction assembly comprises matched extension plates and rollers, and a sliding cylinder is slidably arranged on a vertical column; the truck box frame further comprises a bottom plate, a limiting assembly for fixing the inner frames is arranged on the periphery of the bottom plate, the limiting assembly comprises a limiting pin sleeved in a limiting cylinder, a limiting spring and a limiting rope are connected to the bottom end of the limiting pin, the other end of the limiting rope penetrates through the limiting cylinder and is connected to a cylinder, a suspension spring is arranged on the sliding cylinder, and the roller is not in contact with the extension plate when the inner frame is in a vertical state. Compared with the prior art, the application solves the problems such as low truck box unloading efficiency.

A suspension unit (S) of the present invention comprises: a suspension spring (30) supporting a vehicle body (F) of a vehicle (M); a movable spring seat (31) supporting one end of the suspension spring (30) and being displaceable in a direction in which the suspension spring (30) extends and contracts; a housing (32) forming a pressure chamber (P) in which fluid is stored between the housing (32) and the movable spring seat (31); a stop element (33) preventing the movable spring seat (31) from moving further towards the suspension spring when the movable spring seat (31) moves relative to the housing (32) towards the suspension spring until the pressure chamber (P) is maximized; and an elastic pressurizing means (34) that pressurizes the interior of the pressure chamber P by means of an elastic force and adjusts the elastic force.

The present invention comprises: a cylindrical cap (3) attached to one end-side opening of a vehicle body-side tube (2a) of an extendable fork body (2); a pressing body (4) slidably inserted into the cap (3); a spring bearing (6) that moves in the axial direction together with the pressing body (4) while supporting the upper end of a suspension spring (5) that biases the fork body (2) in an extension direction; a first seal (7) that seals the space between the pressing body (4) and the cap (3); and an actuator unit (8). The actuator unit (8) includes: a housing (9) detachably connected to the cap (3) and having a pressure chamber (P); a partition wall member (10) that, when inserted into the pressure chamber (P), keeps the pressure chamber (P) liquid-tight and can transmit the pressure of the pressure chamber (P) to the pressing body (4); and a pump (12) that supplies and discharges liquid to and from the pressure chamber (P).

The application discloses a railway wagon running device and relates to the technical field of running devices, which comprises two symmetrical bottom frame mounting seats, axle box assemblies arranged on the corresponding bottom frame mounting seats, wheel pairs connected between the two axle box assemblies through bearings at two ends, a brake device arranged between the two bottom frame mounting seats and fixed below a vehicle body bottom frame, a traction pull rod arranged between the axle box assemblies and the bottom frame mounting seats in cooperation, two suspension springs, a vertical hydraulic shock absorber and a transverse hydraulic shock absorber. The application has the advantages of compact structure, light weight, reduced self weight of the whole vehicle, improved vehicle operation benefit, stable vehicle operation ensured by the cooperation of the suspension springs, the vertical hydraulic shock absorber and the transverse hydraulic shock absorber.

The invention relates to a suspension bump stop for a motor vehicle, comprising an upper cup (2) and a lower cup (3) forming a relative rotation interface between them, said lower cup having a lower bearing wall (4) against which a suspension spring (1) is intended to bear, said bearing wall having an annular bearing surface (4a) extending along a radial dimension, the bearing wall (4) having a wall (6) which extends axially in projection from the radial bearing surface (4a) over a height H, said radial bearing surface having at least one set of three bosses (7a) distributed angularly and which extend in axial projection over a height h which is less than the height H. Figure 1

The utility model relates to railway vehicle engineering technical field more specifically, especially, especially relates to a multipurpose four axle combined type railway locomotive bogie, include: traction seat, bogie frame, crossbeam, the bogie frame sets up in the both ends of traction seat, and crossbeam fixedly set up in the middle position of bogie frame body, secondary suspension spring is installed in the top of crossbeam, and secondary oil pressure shock absorber is installed on the outer wall of bogie frame both sides, and one end of secondary oil pressure shock absorber is movably connected with bogie frame, the utility model discloses the improvement of multipurpose four axle combined type railway locomotive bogie has good strength, long life, safe and reliable, high efficiency, can guarantee the high -efficient work of more safe and stable, most parts can also realize the commonality with the currently large -scale use locomotive, to save the advantage of use cost, thereby effectively solve the problem and the deficiency in prior art and equipment.

The utility model discloses a kind of for suspension spring detection's testing fixture, the utility model relates to suspension spring detection technical field, including fixed subassembly, the fixed subassembly top is fixedly installed with detection subassembly, the base top inside is equipped with moving seat, the moving seat top one end is fixedly installed with fixed plate, and the moving seat top other end is equipped with moving plate, the fixed plate is rotatably connected with first spring seat towards moving plate side, the moving plate is rotatably connected with second spring seat towards fixed plate side, the moving plate other side is fixedly installed with drive motor, the base one side both ends are fixedly installed with first air cylinder, the base one side top is fixedly installed with second air cylinder;The utility model, can be conveniently fixed suspension spring, it is convenient to detect the ring distance, perpendicularity and coaxiality of spring to be measured, it is convenient to operate high efficiency, with higher practical value.

The utility model discloses a kind of coating devices for suspension spring production, it is related to suspension spring coating technical field, including bottom plate, the upper end of the bottom plate is fixedly connected with coating storage box, the inside of the coating storage box is provided with stirring assembly, the upper end of the coating storage box is rotatably connected with carousel, the upper end of the carousel is fixedly connected with multiple spring racks, the upper end of the bottom plate is provided with baffle, the baffle is located at the outside of coating storage box, the coating device for suspension spring production of the utility model is rotated by the output end of driving motor and drives rotating rod, and then stirring rod is stirred in coating storage box, solve coating deposition stratification problem from root, ensure that the concentration of coating that nozzle sprays is uniform, effectively improve the thickness uniformity and appearance quality of suspension spring coating, substantially improve product yield, reduce rework cost due to coating quality defect.

Disclosed in the present application are an ultrahigh-strength suspension spring steel wire for a new energy vehicle and a preparation method therefor. The chemical composition of the ultrahigh-strength suspension spring steel wire comprises in mass percentage: C: 0.58%-0.66%, Si: 1.6%-2.0%, Mn: 0.4%-0.8%, Cr: 0.8%-1%, V: 0.10%-0.30%, Mo: 0.05%-0.15%, Nb: 0.01%-0.06%, B: 0.001%-0.003%, P≤0.02% and S≤0.02%. In the present invention, synergistic addition of multiple elements V / Mo / Nb / B is used so as to significantly improve the hardenability of the steel wire, and formation of a precipitated phase inhibits the growth of austenite grains. As an induction heating quenching and tempering process is used, the ultrahigh-strength suspension spring steel wire has a tensile strength of 2050-2150 MPa, and a reduction of area of greater than 40%. The suspension spring steel wire of the present application not only can meet the high strength of coarse-gauge suspension spring steel wires for new energy vehicles, but also has the advantages of high precision of steel wire products and high yield rates of coil springs.

The invention provides a suspension assembly and a vehicle, and relates to the technical field of vehicles, and the suspension assembly comprises a suspension structure and a heat dissipation structure; the heat dissipation structure is arranged on one side of the suspension structure, and the heat dissipation structure can reduce the ambient temperature around the suspension structure. The suspension structure and the heat dissipation structure are both arranged in the engine compartment, and the heat dissipation structure can reduce the ambient temperature around the suspension structure in the engine compartment, so that the ambient temperature of the suspension structure is kept proper, the ambient temperature of the suspension structure is prevented from being too high, rubber molecular chains of a suspension main spring of the suspension structure are prevented from being broken, and the service life of the suspension structure is prolonged. Thermal aging failure of the suspension structure is prevented, the service life of the suspension structure is prolonged, and the stability of the suspension structure is improved.

The utility model discloses an outer surface treatment device for suspension spring production, which comprises a bottom plate, vertical plates are fixedly mounted at four corners of the top of the bottom plate, a top plate is fixedly mounted among the tops of the vertical plates, an auxiliary component is arranged at the top of the bottom plate, a spray head is fixedly mounted at the bottom of a second rail slider, and the spray head is fixedly mounted at the bottom of the second rail slider. A drying plate is fixedly mounted at the inner top of the top plate. The utility model relates to the technical field of automobile suspension processing. According to the outer surface treatment device for suspension spring production, a rotating rod is driven by a third motor to rotate to achieve transposition of an adjusting plate, a sprayed suspension spring can rapidly move to the position below a drying plate to be dried, meanwhile, another clamping assembly can immediately clamp a new suspension spring to be sprayed, and in addition, the spraying efficiency is improved. And a first electric sliding rail is matched with a first rail sliding block, so that the clamping assembly can be accurately moved after drying is completed, the remaining non-spraying part is subjected to supplementary spraying, and the sprayed part is not affected by the clamping structure during supplementary spraying.

A middle-sized passenger car front suspension part mounting table comprises a support and air cylinders, the support is of a cuboid frame structure, the support is formed by welding steel plates, the air cylinders are installed on the two sides of the support, and a supporting plate assembly is fixed to the upper surface of the support. According to the passenger car front suspension subassembly platform, the front cross beam assembly is aligned, positioned and fixed on the front suspension subassembly platform through the positioning pin and the circular pressing plate, and the two two-position five-way hand plate valves are used for adjusting and controlling the stretching speed and the stretching amount of the air cylinder, so that the air cylinder jacks the left lower swing arm and the right lower swing arm; when the front suspension spring is stressed and compressed to a proper length, the front stabilizer bar and the front stabilizer bar connecting rod are mounted, so that the fixing and positioning time during subassembly of the front cross beam assembly is shortened; the front spring is time-saving and labor-saving in the compression process.

The utility model relates to the technical field of automobile suspension spring production, and discloses a polishing device for automobile suspension spring production, which comprises a base, a placing seat is fixed at the top of the base, a support column is fixed at the top of the base, and a top plate is fixed at the top of the support column. A fixing assembly and a protection assembly are arranged above the base; according to the polishing device for automobile suspension spring production, through the arrangement of the protection assembly, when the surfaces of clamping plates are attached to springs, a third motor continues to work, the clamping plates are close to drive the springs to move, the abutting rod abuts against the inclined faces of sliding blocks, and the sliding blocks drive swing blocks and clamping blocks to move towards stabilizing rods; the top of the swing block abuts against the inner wall of the inner side of the sliding block, the stabilizing rod and the clamping block are mutually limited, at the moment, the clamping plate cannot continue to move downwards to apply pressure to the spring, and the situation that the spring deforms due to too large clamping force, and follow-up normal use is affected is avoided.

The utility model discloses a leather drying machine which comprises a machine box, a hot air assembly is installed on the side wall face of the machine box, and a press fit structure is installed on the bottom face of the inner side of the machine box. Then, a pressing motor is controlled to work, a lead screw rotates, a pressing rod descends accordingly, a pressing plate is pressed downwards till a pressing spring sleeve and a suspension spring sleeve are shrunk, the pressing plate is pressed on the leather on the suspension placement assembly on the uppermost layer, and the leather on other suspension placement assemblies is pressed by a suspension transverse plate on the upper layer; the leather on the fixing buckle cover is pressed by a suspension transverse plate on the suspension placement assembly on the lower layer, multiple pieces of leather are fixed, then the hot air assembly works, the multiple pieces of leather are dried at the same time, the working efficiency is improved, and use is convenient.

The utility model relates to a suspension spring flapping test tool which comprises a base, a rocker arm, a movable seat and an upper pressing plate, a connector used for being connected with a power source is installed on the lower portion of the base, and a plane supporting head used for supporting the bottom of a suspension spring is installed on the upper portion of the base. The tail of the rocker arm is hinged with the base; the upper part of the movable seat is rotatably provided with a first bearing, and the lower part of the movable seat is provided with a curved surface supporting head for supporting the top of a suspension spring; the upper pressing plate is connected with a power source, a guide rail groove is formed in the bottom of the upper pressing plate, and the first bearing rolls along the guide rail groove. The device has the beneficial effects that the suspension spring can be conveniently disassembled and assembled between the plane supporting head and the curved surface supporting head, and the angle between the curved surface supporting head and the plane supporting head can be conveniently adjusted, so that the suspension spring can be debugged and verified from different angles, and the stress change condition of the suspension spring in the moving process of a real vehicle can be effectively simulated.

The invention provides an automotive suspension spring bonding system and a preparation process thereof.The automotive suspension spring bonding system comprises a spring and a rubber vibration isolation seat, an epoxy coating is arranged on the surface of the spring, a bonding layer is arranged between the spring and the rubber vibration isolation seat, the spring with the epoxy coating is fixed to the rubber vibration isolation seat through the bonding layer, and the rubber vibration isolation seat is fixed to the rubber vibration isolation seat through the bonding layer. The hardness of the bonding layer is larger than or equal to that of the epoxy coating and larger than or equal to that of rubber. The spring and the rubber vibration isolation base are bonded into an integrated structure, sand and muddy water can be prevented from invading, and the service life of the spring and the rubber vibration isolation base is prolonged. Meanwhile, the spring and the rubber vibration isolation seat are free of relative displacement through bonding and fixing, the noise risk can be eliminated, unbalance loading of the suspension is avoided, and the overall stress balance is improved. The high-hardness bonding layer is small in deformation and can uniformly disperse concentrated stress transmitted by the spring, and interface cracking caused by creep deformation and deformation of the low-hardness bonding layer is avoided.

The invention relates to a vehicle chassis height adjusting system, and belongs to the technical field of vehicles, the vehicle chassis height adjusting system comprises four groups of elastic supporting assemblies installed between a wheel assembly and a chassis, and each group of elastic supporting assembly is composed of a suspension spring and a shock absorber; each elastic supporting assembly is connected with one lifting actuator, and the lifting actuators are used for driving the elastic supporting assemblies to ascend or descend so as to ascend or descend the chassis; and the attitude control module is connected with the four lifting actuators, and the attitude control module is used for controlling the operation of the four lifting actuators. By means of the structure, the four lifting actuators drive the four sets of elastic supporting assemblies to ascend and descend correspondingly, so that the chassis ascends or descends, the ground clearance of a vehicle is adjusted, it is guaranteed that the vehicle can smoothly pass through various grounds, and a vehicle body can be leveled when the vehicle is parked on the uneven ground.

The utility model discloses a heavy suspension spring load testing device, which comprises a test board, the test board comprises a top plate, and a pressure applying device is fixedly arranged in the middle of the top plate; a fixing assembly is arranged under the pressure applying device, and an adjusting assembly is arranged on the outer side of the fixing assembly. The fixing assembly comprises a fixing empty shell, a rotating disc is rotationally connected to the interior of the fixing empty shell, a plurality of sliding blocks are slidably connected to the rotating disc, moving rods are fixedly connected to the outer sides of the sliding blocks, and clamping plates are fixedly connected to the ends, extending out of the fixing empty shell, of the moving rods. Wherein the adjusting assembly comprises a screw rod rotationally arranged on one side of the fixed empty shell, the external thread of the screw rod is in sliding connection with a threaded sleeve, and the threaded sleeve is fixedly connected with one side of the fixed empty shell; the clamping plate can effectively wrap the spring under the driving of electric power to achieve rapid fixing, manual repeated screwing of a screw button for control is avoided, and time and labor are saved.

The utility model discloses a detection platform for hot rolling of heavy suspension springs, which comprises a base, and one side of the top of the base is detachably connected with a fixing plate. An adjusting mechanism is arranged on the top of the base, and a fixing assembly is arranged on one side of the fixing plate. The adjusting mechanism comprises sliding grooves symmetrically formed in the top of the base, screw rods are rotationally connected between the sliding grooves and the base, threaded blocks are connected to the outer portions of the screw rods in a threaded mode, supporting plates are fixedly installed on the tops of the threaded blocks, chain wheels are fixedly connected to the outer portions of one ends of the screw rods, and chains are connected between the outer portions of the chain wheels in an engaged mode. And an annular plate is fixedly mounted between the tops of the supporting plates, so that the effect of quickly adjusting and detecting the spring can be realized, the spring detection flexibility can be greatly improved by utilizing a longitudinal and transverse quick adjustment mode, the effect of multi-point detection of the spring can be met, and the accuracy during spring detection is greatly improved.

A spring configuration comprises a cylindrical damper (5), a primary coil spring (9) having a first predetermined elastic stiffness K1 and a secondary coil spring (11) having a second predetermined elastic height K2, arranged in series around the cylindrical damper (5) to provide a total combined elastic stiffness KT, an actuator (20) configured to compress and decompress the coil springs (9, 11), the stop (12) is configured to deactivate the secondary coil spring in the stop position such that when the system is in the first comfort mode, the total suspension elastic stiffness is defined by a series equation 1 / KT = 1 / K1 + 1 / K2, and when the system is in the second actuation mode, the total vehicle suspension elastic stiffness is defined by a series equation KT = K1, this selectively and switchably provides a low stiffness optimal ride comfort setting and a high stiffness optimal maneuver lower ride height setting.

A vibration motor with vibration in the direction of Z-axis is provided, including a mover carrier and a stator part; wherein, the mover carrier includes a suspension spring and a coil set, the stator part includes a stator part body and a flexible printed circuit board. The suspension spring is arranged on two opposite sides of the mover carrier, with one end connected to the mover carrier and the other end to the stator part. The coil set includes a coil, wound around the vibration axis, and a magnetically conductive member located at the center of the coil. The two opposite sides of the stator part are connected to suspension spring to form an air gap between the stator part and the mover carrier. The stator part body accommodates the mover carrier. The flexible printed circuit board is arranged on the stator body and electrically connected to the coil set.

The invention relates to the technical field of transportation equipment, and discloses a suspension spring production and processing transportation device which comprises a tray, a containing frame arranged at the top of the tray, a placing frame arranged in the containing frame and an outer opening formed in the side face of the containing frame. The outer frames are arranged in the containing frame and distributed in a linear array mode, the cross beams are arranged on the inner sides of the outer frames and distributed in a linear array mode, the inner openings are formed in the side faces of the outer frames and distributed in a linear array mode, and the partition assemblies are arranged in the cross beams. According to the transportation device for producing and processing the suspension springs, by arranging the containing frame, independent containing spaces are formed in the containing frame, so that the space in the containing frame is fully utilized, the single-time transportation volume of equipment is guaranteed, the situation that the transportation efficiency is reduced is avoided, meanwhile, the springs can be prevented from being stacked and extruded, and the springs are prevented from being deformed and damaged; and mutual winding of the springs is avoided, the intactness of the springs is guaranteed, and the springs are convenient to assemble and disassemble.

A four point link suspension for a vehicle, wherein the suspension comprises: a first side suspension spring, configured to absorb a vertical load; a second side suspension spring, configured to absorb the vertical load, wherein the springs are configured to be connected to a vehicle frame via a respective joint; a stabilization frame, comprising a first side link arm having a first ending and a second ending connected to the first side suspension spring via a second joint; a second side link arm and a second ending connected to the second side suspension spring via a second joint; and a torsion bar, connecting the side link arms, which side link arms are tapered towards the respective first ending.

The utility model relates to the technical field of automobile production, and discloses a rigid support testing fixture assembly of an automobile front suspension spring, which comprises a base, a support column is fixedly connected to the rear side of the top of the base, a plurality of guide rails are fixedly connected to the front side of the support column, and guide blocks are slidably connected to the inner walls of the guide rails. The inner wall of the guide block is slidably connected to a plug pin, a positioning seat is fixedly connected to the front side of the top of the base, a plurality of positioning holes are formed in the top of the positioning seat, a positioning block is fixedly connected to the middle of the front side of the supporting column, and positioning feet are fixedly connected to the four corners of the bottom of the base. And screws are in threaded connection with four corners of the top of the base. According to the utility model, the front overhang spring to be measured is vertically placed in the positioning hole at the top of the positioning seat, then the top of the front overhang spring is positioned through the bolt, and the positioning block is used as an auxiliary positioning structure, so that the working efficiency is improved, and the application range is expanded.