132 results about "Suspension spring" patented technology

The invention relates to large-specification alloy spring steel and a production method thereof. The control process comprises the steps of steelmaking, bloom continuous casting, heating cogging, coping flaw detection, anti-decarburization segmented spraying, small square billet heating, high-speed wire controlled rolling, stelmor wire controlled cooling and coil collecting and packaging. And the surface quality and the structure property uniformity of the wire rod are effectively improved by combining segmented spraying of the anti-decarburization coating with a refined controlled rolling and controlled cooling process, and the wire rod can be used for preparing the large-size high-strength automobile suspension spring.

The invention discloses a detection tool for suspension spring detection, and relates to the technical field of suspension spring detection, the detection tool comprises a fixing assembly, the top of the fixing assembly is fixedly provided with a detection assembly, the fixing assembly comprises a base, the detection assembly comprises a floating table, and four corners of the bottom of the floating table are provided with hydraulic telescopic rods. The bottom of the hydraulic telescopic rod is fixedly connected with the base, the output end of the hydraulic telescopic rod is fixedly connected with the floating table, a strip-shaped groove hole is formed in one end of the bottom end of the floating table, a detection block is slidably connected into the strip-shaped groove hole, a detection plate is arranged at the bottom of the detection block, and a first pushing spring is fixedly installed on one side of the detection block. A first thrust sensor is fixedly mounted at one end of the first pushing spring; according to the invention, the suspension spring can be conveniently fixed, the ring distance, the verticality and the coaxiality of the to-be-detected spring can be automatically detected, the operation is convenient, the efficiency is high, and the practical value is high.

The light commercial vehicle chassis comprises a bottom frame, and the bottom frame is provided with a battery module and an electrical control module; the suspension system comprises a front suspension and a rear suspension, the rear suspension comprises a rear suspension suspended spring, a rear axle tube, a driving motor and a speed reducer, the rear suspension suspended spring is connected with the main frame through a guide arm, the outer end of the rear suspension tube is connected with a brake disc, and a hub unit is arranged on the outer side of the brake disc; a steering system; and a braking system. According to the chassis, dynamic adjustment of rigidity and height is achieved through air suspension, comfort and controllability are improved, the assembling efficiency is improved through modular design, the lightweight structure is balanced in bearing, new energy drive is adapted, and good practicability is achieved.

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.

The invention discloses a method for measuring a damping coefficient of a vehicle damper based on inertial sensing and visual tracking. The method comprises the following steps: S10, acquiring geometric quantities and inherent characteristics of a vehicle; angular velocities and angular accelerations generated when the vehicle moves in all directions are obtained; s20, calculating the vertical load of each suspension according to the data obtained in the step S10; s30, obtaining the internal force of a suspension spring damping model according to the suspension vertical load, the spring mass, the inherent geometrical relationship and the spring stiffness coefficient; and S40, judging whether the data volume is sufficient or not, if so, outputting a damper damping characteristic graph, and if not, returning to the step S10. The method can directly reflect the direct relation between the performance of the shock absorber and the motion characteristics of the vehicle.

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

This shock absorber (D) comprises a shock absorber body (1) that has an outer tube (2) and a piston rod (3), a bump rubber (4) that is provided to the outer circumference of the tip-end side of the piston rod (3), an annular piston rod–side spring bearing (5) that is attached to the piston rod (3) and holds the outer circumference of the bump rubber (4), a tube-side spring bearing (6) that is attached to the outer tube (2), and a suspension spring (7) that is installed between the piston rod–side spring bearing (5) and the tube-side spring bearing (6). The piston rod–side spring bearing (5) is formed from a plurality of pieces (P, P) of synthetic resin that can be taken apart in the direction orthogonal to the axial direction of the piston rod (3) and have a support part (5a) that supports one end (7a) of the suspension spring (7) and a holding part (5b) that is connected to the support part (5a) and holds the outer circumference of the bump rubber (4).

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.

Provided are a two-axis tilting device, a photographic device, and an electronic device capable of suppressing camera component shaking. The two-axis tilting device comprises a frame body (200), a suspension spring (300), and a tilting drive mechanism (600). The frame body (200) comprises a back panel (211) facing each other with a certain space between the bottom surface (120) of the tilted component (100). The suspension spring (300) is arranged in the space, connecting the bottom surface (120) and the back panel (211) to support the tilted component (100) so that the tilted component (100) can tilt relative to the back panel (211). The tilting drive mechanism (600) drives the tilted component (100) so that the tilted component (100) can tilt relative to the back panel (211).

The present invention discloses a multi-scenario application robot and a multi-scenario application control method. The multi-scenario application robot includes a body module, a seismic isolation platform module, a suspension module, a paddle module, a lateral spring damper, a supporting web and a moving wheel; the seismic isolation platform module is provided with a gyroscope sensor and a scanner; when the present invention performs multi-scenario application control, in a ground scenario, if the suspension side plate drops, the paddle stops and the robot performs ground movement; if the suspension side plate is lifted, the suspension spring damper drops the suspension side plate and then stops; in a water scenario, if the suspension side plate is lifted, the moving wheel stops and the paddle is driven by a motor to drive the robot to operate on the water; the vibration amplitude and tilt angle of the robot detected by the gyroscope are converted into pulse signals and transmitted to the motor and ball screw to reduce the shock of the robot; the robot of the present invention solves the problem of easy damage to material transportation in complex post-disaster environments while working in both land and water environments.

A vehicle seat assembly is provided that includes a seat component having a support surface, a foam layer, and a molded fabric. The foam layer has an A surface and a B surface. The molding fabric has an inner surface and an outer surface, wherein the inner surface is attached to the B surface of the foam layer. The shaped fabric includes a plurality of fibers shaped to define a plurality of suspension springs, each suspension spring having a predefined three-dimensional configuration defining an internal cavity. Each inner cavity is filled with a portion of the foam layer, and the foam layer at least partially penetrates the shaped fabric between the inner surface and the outer surface to further define the suspension spring and maintain a predefined three-dimensional configuration of the suspension spring. A portion of an outer surface of the profiled cloth on the suspension spring engages a support surface of the seat component. The suspension spring responds to the dynamic input by partially deflecting to a deflected state and restoring to an initial state relative to the support surface of the seat component to isolate occupant vibrations during use of the vehicle seat assembly.

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 provides a surface spraying device for automobile suspension spring production, which comprises a working table, a first base and a second base, the first base is fixedly connected to the working table, the second base is slidably connected to the working table, the second base is provided with a first slot, the first base is fixedly connected with a sliding rail, the sliding rail is slidably connected with the first slot, and the second base is provided with a second slot. A paint spraying device is slidably connected to the sliding rail, a second open groove is formed in the end face, close to the second base, of the first base, and a clamping assembly and a driving assembly are arranged in the second open groove. According to the scheme, the paint spraying device capable of sliding along the sliding rail is arranged on the sliding rail, and the clamping assembly driven by the driving assembly is rotationally arranged in the second open groove, so that the paint spraying device slides in the extending direction of the sliding rail and sprays the spring; the clamping assembly provides driving force to rotate through the driving assembly and clamps the spring to rotate in the radial direction of the supporting rod, so that spraying of the spring is more uniform, and the purpose of improving the spraying quality is achieved.

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 utility model discloses a multi-suspension universal vehicle body structure which comprises a frame body, a first suspension mounting assembly and a second suspension mounting assembly, the frame body is provided with a plurality of mounting parts, at least one mounting part is suitable for being connected with a suspension, and at least two mounting parts are suitable for mounting the first suspension mounting assembly and the second suspension mounting assembly; the first suspension mounting assembly is provided with a plurality of different mounting positions, and at least one mounting position is suitable for being connected with a suspension; the second suspension mounting assembly comprises a first mounting plate and a second mounting plate which are vertically connected in an L shape and are different in length, and the first mounting plate and the second mounting plate are provided with a first suspension spring mounting structure and a second suspension spring mounting structure correspondingly so as to be suitable for being connected with suspensions of different types. The utility model further discloses a lower vehicle body and a vehicle with the same. According to the suspension frame, the design changes of different suspensions can be adapted on the same frame body by changing the connecting point positions, and the purposes of being compatible with various different suspension types and meeting different vehicle performance requirements are achieved.

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.

This suspension device (S) is provided with: a suspension spring (30) that supports a vehicle body (F) in a vehicle (M); a movable spring holder (31) that supports one end of the suspension spring (30) and is displaceable in the expansion / contraction direction of the suspension spring (30); a housing (32) that allows the movable spring holder (31) to move in the expansion / contraction direction of the suspension spring (30), and that forms a pressure chamber (P) for accommodating a liquid between the housing (32) and the movable spring holder (31); a stopper (33) that prevents the movable spring holder (31) from further moving toward the suspension spring side when the movable spring holder (31) moves toward the suspension spring side with respect to the housing (32) and the pressure chamber (P) is maximized; and an elastic pressurizing mechanism (34) which can pressurize the inside of the pressure chamber (P) by elastic force and can adjust the elastic force.

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.

The invention belongs to the technical field of cable installation equipment, and particularly relates to a roadway cable laying device. The device comprises a fixing device and a clamping device. The fixing device is composed of a wall plate and a movable plate, a C-shaped groove is formed in the front side face of the wall plate, and the movable plate is installed in the C-shaped groove. Damping spring sets are arranged at the upper and lower ends of the movable plate. The clamping device is arranged on the front side of the movable plate and comprises an upper clamping wheel and a lower clamping wheel, the rear end of each clamping wheel is connected with a fixed seat, the fixed seat of the upper clamping wheel is fixed on the movable plate, the fixed seat of the lower clamping wheel is movably mounted in the movable plate, a connecting shaft is arranged between the two fixed seats, and a suspension spring is arranged on the connecting shaft. And the wall plates are made of insulating materials, so that the electric shock risk during electric leakage of the cable is avoided fundamentally, and the safety of construction and maintenance personnel is protected. The cable clamp is suitable for cables with different diameters, special clamps do not need to be replaced for cables with different specifications, the equipment cost and the maintenance difficulty are reduced, operation is simplified, and the installation and maintenance efficiency is improved.

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.