1092 results about "Control arm" patented technology

The invention discloses an immersive master-slave teleoperation anthropomorphic robot system with force feedback, a master end assembly comprises a seat, a master end control arm, a force feedback manipulator, a VR visual device, a data sensing glove and a master end controller, and the master end assembly is a master control end; the slave end assembly comprises a movable chassis, a movable trunk, a slave end mechanical arm, a slave end manipulator, a binocular camera and a slave end controller, and the slave end controller is in electric signal connection with the movable chassis, the movable trunk, the slave end mechanical arm, the slave end manipulator, the binocular camera, the six-dimensional torque sensor and the master end controller; the wireless controller is in electric signal connection with the master end controller and the slave end controller, the wireless controller has a slave end control mode and a force feedback teleoperation mode, and in the slave end control mode, the wireless controller controls the movable chassis to move; in the force feedback teleoperation mode, the master end control arm and the force feedback mechanical arm synchronously move with the slave end mechanical arm and the slave end mechanical arm correspondingly.

The invention is suitable for the technical field of automobile chassis, and provides an angle module system and a modular extensible chassis, and the angle module system adopts an unequal-length double-wishbone suspension and has good geometric kinematics characteristics. And the offset distance of the main pin is reasonably controlled through the design of steering knuckle parts. By adopting the angle module bracket, the efficient integration of the driving unit and the frame structure is realized, the number of connecting points of the angle module system and the chassis is reduced, and the serialization, integration and modularization of the chassis system are facilitated. A distributed main pin steering gear is adopted, and the geometrical shape design of upper and lower control arms of the suspension is matched, so that wheels have a larger turning angle range, and the maneuverability is improved. In addition, the modular extensible chassis adopts modular design, and the number of shafts can be flexibly configured according to carrying requirements.

The utility model discloses an automatic line one-die multi-piece automobile aluminum alloy control arm die forging die, which relates to the technical field of forging forming, and comprises a main body structure, the main body structure comprises a lower die ejector and an upper die, the left side and the right side of the lower die ejector are fixedly provided with four die lifting beams through bolts, and the die lifting beams are used for transferring the die. The distance between the four die lifting beams is equal to the distance between die fork arms of a die changing trolley, the lower die ejector and the upper die are connected through the upper and lower die guide columns and play a guiding role in the die heating and reinforcing process, a profiled groove is formed in the bottom of the lower die ejector, and a multi-connecting-rod ejector rod is installed in the profiled groove. The lower end of the ejector rod is connected with the ejector rod tray through a bolt, and the ejector rod can horizontally eject two products at the same time. According to the utility model, a short-process forging process combining special-shaped blank casting and die forging is met, automatic production is realized, and finally, energy conservation and environmental protection are realized.

An off-road vehicle includes a frame; front and rear wheels; a front suspension assembly; a front torsion bar assembly, a rear suspension assembly and a rear torsion bar assembly. The front suspension assembly comprises a front lower rocker arm, a front upper rocker arm, and a front wheel shaft support assembly mounted between the front lower and the front upper rocker arms. The front torsion bar assembly is located above the front upper rocker arm, and is movably connected to the front upper rocker arm. The rear suspension assembly comprises a rear lower rocker arm, a rear upper rocker arm, a control arm assembly, and a rear wheel shaft support assembly mounted between the rear lower and rear upper rocker arms. The rear torsion bar assembly is located between the rear upper and lower rocker arms, and is movably connected to the rear upper rocker arm.

The invention relates to a wheel side speed reduction driving integrated assembly coupling kingpin steering and steering trapezoid, and relates to the technical field of automobile wheel side driving suspension assembly angle modules. A wheel-side speed reduction driving integrated assembly coupling kingpin steering and a steering trapezoid comprises a driving motor, a wheel-side speed reducer and a steering knuckle, the upper end and the lower end of the steering knuckle are rotationally connected with an upper control arm and a lower control arm respectively, and the upper end of the steering knuckle is connected with a kingpin steering mechanism. The upper control arm is connected to the kingpin steering mechanism, the kingpin steering mechanism drives the steering knuckle to rotate around the axis of a kingpin, a vertical connecting rod is connected to the upper portion of the lower control arm, the upper end of the vertical connecting rod extends in the longitudinal direction of a vehicle to form a proportional connecting rod, and a spring shock absorber is hinged to the end of the proportional connecting rod. And the middle part of the proportional connecting rod is connected with the vehicle body. The large-angle steering device has the advantages that space layout optimization is achieved, motion interference among all components is avoided, and the large-angle steering effect can be achieved.

The invention belongs to the technical field of assembly equipment, and discloses automobile part assembly equipment which is technically characterized by comprising an equipment frame, a workbench is arranged on the surface of the equipment frame, an assembly seat is fixedly mounted on the surface of the workbench, and a positioning column is fixedly mounted on the surface of the assembly seat; a control arm body is jointly placed on the surfaces of the supporting seat and the assembling seat, a lining is placed above the mounting hole, an alignment mechanism is arranged on the surface of the positioning column and comprises a lining positioning assembly and a control arm positioning assembly, and the lining positioning assembly comprises a push plate, a first positioning part and a first adjusting part. The control arm positioning assembly comprises transverse columns, a second positioning part and a second adjusting part, the second positioning part and the second adjusting part are arranged to be matched with each other, the positions of the multiple sets of transverse columns can be conveniently adjusted, then the positions of the mounting holes can be adjusted, the mounting holes coincide with the central axis of the lining, and the service life of the lining is prolonged. The pushing and pressing column can accurately assemble the lining into the mounting hole.

The invention relates to the technical field of train brake disc assembly, in particular to a tightening device. The invention provides a tightening device which comprises a base, a control arm and a working assembly, the working assembly comprises a first support and a torque gun, the first support is connected with one end of the control arm, the first support is of a stepped structure, a through hole is formed in a step, close to one end of the control arm, of the first support, and the torque gun is installed at the through hole; the torque gun not only can be used for assembling the fastener, but also can be used for semi-automatically disassembling the fastener. The positioning assembly and the torque gun are oppositely arranged, the positioning assembly accurately positions the brake disc before operation, the accuracy of tightening operation of the torque gun is guaranteed, the positioning assembly and the torque gun work cooperatively, it is guaranteed that each bolt can be installed with accurate torque and rotation angle, and brake disc operation faults caused by installation errors are effectively avoided.

The invention discloses a drill rod loading and unloading operation vehicle which comprises a chassis, a cab, a mounting platform, an arm support system and a clamping jaw mechanism. The chassis provides a moving platform and is integrated with an engine and a hydraulic system or a pneumatic system to serve as a power source, the cab is arranged on the chassis, and a walking control system of the whole vehicle and an operation control system of the mechanical arm are arranged in the cab. The arm frame system is installed on an installation platform on the front portion of the chassis, the arm frame system is controlled to work in a hydraulic or pneumatic mode, multiple motion freedom degrees are provided for the clamping jaw mechanism at the tail end of the arm frame system, and the clamping jaw mechanism is installed at the tail end of the arm frame system, composed of a rotary driving mechanism and a clamping mechanism and used for grabbing, positioning and releasing a drill rod. According to the scheme, through a hydraulic or pneumatic driving mode, comprehensive mechanization of drill rod carrying, loading and unloading is achieved, the problems that a manual mode is large in labor intensity, low in efficiency, poor in safety and the like are effectively solved, and the drill rod loading and unloading device has the advantages of being compact in structure, flexible to operate, high in adaptability and low in cost.

The utility model discloses an automobile suspension system. Comprising an angle module mounting plate, an upper control arm, a lower control arm, an air spring and electronic damper CDC assembly, a steering module and a steering knuckle. The top of the steering knuckle is directly connected with a steering module, the upper portion and the lower portion of the steering knuckle are connected with an angle module mounting plate through an upper control arm and a lower control arm respectively, an air spring and an electronic damper CDC assembly are further connected between the lower control arm and the angle module mounting plate, and the steering knuckle is fixedly mounted on a hub structure. And a tire rim and a brake are mounted on the hub structure. The suspension system supports four-wheel independent driving and four-wheel independent steering, is used for achieving the functions of in-situ steering, horizontal transverse moving and the like of the whole vehicle, and achieves ultra-small turning radius, large turning angle, reliable structure and performance and high expansibility during turning.

The present invention belongs to the technical field of assembly equipment and discloses an automobile parts assembly equipment, the technical points of which are: it includes an equipment frame, a workbench is provided on the surface of the equipment frame, an assembly seat is fixedly installed on the surface of the workbench, a positioning column is fixedly installed on the surface of the assembly seat, a control arm body is placed on the surface of the support seat and the assembly seat, a bushing is placed above the mounting hole, an alignment mechanism is provided on the surface of the positioning column, the alignment mechanism includes a bushing positioning assembly and a control arm positioning assembly, the bushing positioning assembly includes a push plate, a first positioning part and a first adjusting part, the control arm positioning assembly includes a cross column, a second positioning part and a second adjusting part, and by arranging the second positioning part and the second adjusting part to cooperate with each other, the position of multiple groups of cross columns can be conveniently adjusted, and then the position of the mounting hole can be adjusted so that the mounting hole and the central axis of the bushing coincide, and the pushing column can accurately assemble the bushing into the mounting hole.

The utility model provides a suspension control arm structure, a suspension structure and an all-terrain vehicle, the suspension control arm structure comprises a ball pin mounting seat, a first control arm, a second control arm and a shock absorber mounting frame, and the first control arm is connected with the ball pin mounting seat; the second control arm is connected with the ball pin mounting seat; the shock absorber mounting frame is arranged on the ball pin mounting base and used for being connected with a shock absorber. Wherein the shock absorber mounting frame and the ball pin mounting seat are integrally formed parts. According to the suspension control arm structure, the technical problem that an existing control arm structure is low in production cost and production efficiency can be solved.

The invention discloses a self-adaptive fastener assembly robot which comprises a rotary table and a mechanical arm, the rotary table is used for limiting a countersunk bolt, the mechanical arm is used for matching a hexagonal nut with the countersunk bolt, and the rotary table comprises a first disc body, a second disc body, a third disc body and a fourth disc body; and the second disc body is arranged at the lower end of the first disc body and used for limiting the countersunk bolt, and the mechanical arm comprises a control arm which can horizontally and obliquely move and is used for toppling the hexagonal nut. The expansion pipe is clamped in the C-shaped clamp to achieve rotation, meanwhile, the control arm is changed from inclination to horizontal, the hexagon nut is matched with the countersunk bolt, machining is completed, the control arm is extruded out by the baffle subsequently, the control arm is controlled from inclination to horizontal and then to one second after inclination, the rotating disc rotates, and the position sensor detects the situation; and the control arm moves for one cycle again, so that the hexagon nut is continuously matched with the countersunk bolt.

The invention discloses an automobile control arm threaded bushing pressing device, and belongs to the technical field of automobile control arm machining, the automobile control arm threaded bushing pressing device comprises a protective metal shell, a control box is arranged on the side face of the protective metal shell, and a supporting mechanism is arranged at the bottom of the protective metal shell; the supporting mechanism comprises a supporting assembly used for limiting and supporting the workpiece and a protection assembly used for being matched with the supporting assembly to limit and intercept the workpiece, and the protection assembly is arranged at the top of the supporting assembly. Through mutual cooperation of multiple structures, the shape of the pressing device can be changed in the workpiece assembling process, the threaded bushing is shielded and protected through deformation of the pressing device, and through mutual cooperation of double anti-flying-collapse structures, flying-collapse workpieces are effectively intercepted; the phenomenon that the threaded bushing flies and collapses in the using process of the pressing device is avoided, and the deformed pressing device can forcibly isolate a worker from a stamping structure.

The invention relates to the technical field of vehicle chassis, and provides a rear suspension structure and a vehicle. The rear suspension structure comprises a rear auxiliary frame; the rear steering knuckles are arranged on the left side and the right side of the rear auxiliary frame; the control arm assemblies are arranged between the rear steering knuckles and the rear auxiliary frame, and each control arm assembly comprises an upper front control arm, an upper rear control arm, a lower front control arm and a lower rear control arm which are connected to the corresponding rear steering knuckle and the rear auxiliary frame; the shock absorbers are arranged on all the rear steering knuckles; each lower rear control arm is provided with one spring; in the front-back direction of the vehicle, the shock absorber is located on the front side of the upper front control arm, and the spring is located between the upper front control arm and the upper rear control arm. Through reasonable layout, the shock absorber and the spring are staggered in the front-back direction of the vehicle, so that the mounting points of the spring and the shock absorber are close to wheels as much as possible, the lever ratio of the shock absorber and the lever ratio of the spring are increased, and the comfort and maneuverability of the vehicle are improved.

The invention discloses an industrial carrying intelligent robot, and relates to the technical field of mechanical arms. The device comprises a base, a bearing arm is rotationally installed on the base, two oppositely-arranged connecting plates are constructed on the bearing arm, a movable arm is rotationally installed on one connecting plate through motor driving, a control arm is rotationally installed on the other connecting plate through motor driving, a lever arm is hinged to the upper end of the movable arm, and the lever arm is hinged to the lower end of the control arm. An arc-shaped connecting rod is hinged between one end of the lever arm and the control arm; the horizontal clamping jaw is installed at the other end of the lever arm in a hinged mode, and a clamping head is always kept to be vertically and downwards arranged. According to the steel plate conveying device, the transfer bearing mechanism is arranged, a steel plate can be transferred into the transfer bearing mechanism through the horizontal clamping jaw, the steel plate is overturned in the transfer bearing mechanism through the overturning mechanism in the transfer bearing mechanism, then the steel plate is moved out through the horizontal clamping jaw and transferred to the other conveying belt, the adaptability of the device is greatly improved, and the flexibility is improved.

A suspension assembly includes an upper control arm, a lower control arm, a damper coupled between the lower control arm and a frame rail, and a roll control cylinder coupled between the lower control arm and the frame rail. The roll control cylinder includes a body defining an internal cavity, a piston movably arranged within internal cavity, and a rod coupled to the piston and extending outwardly from the body. The piston divides the internal cavity into a piston chamber and a rod chamber. The suspension assembly further includes an accumulator in fluid communication with the piston chamber, and a charge supply in fluid communication with the accumulator. The charge supply is configured to selectively change a charge pressure within the accumulator to adjust a roll rate or stiffness defined by the roll control cylinder.

A reverse slapper hydraulic bump stop assembly for use in a vehicle includes an upper mounting bracket for affixing to a frame of a vehicle, a lower mounting bracket, a bell crank movably coupled to the upper mounting bracket, and a hydraulic bump stop assembly comprising a first end and a second end. The bell crank includes a bump surface configured to contact the upper mounting bracket. A first end of the hydraulic bump stop assembly is coupled to the lower mounting bracket, and a second end of the hydraulic bump stop assembly is coupled to the bell crank. The hydraulic bump stop assembly is oriented in a substantially vertical direction, such that directions of force do not need to be in line with lower control arm motion, and the assembly can be adjusted towards a front or rear of a vehicle based on a desired bump effect.

The invention discloses a design optimization method and system for a control arm, and particularly relates to the technical field of control arms. The method comprises the following steps: determining an optimization target and constraint conditions, identifying a high-stress region by utilizing finite element analysis, monitoring a dynamic load and a material performance degradation curve by combining a multi-axis sensor, and realizing quantitative evaluation of an optimization result and a real working condition deviation; when the deviation is large, real-time monitoring, feedback correction and dynamic design adjustment are further performed by optimizing a geometric structure and installing an intelligent sensor, so that the reliability and safety of an optimization result under complex loads and extreme working conditions are ensured, the durability and the fatigue resistance of the control arm are remarkably improved, the local failure risk is reduced, and the reliability of the control arm is improved. And finally, the overall safety and the performance stability of the vehicle are improved.

A retrofit kit for replacing an existing leaf spring suspension system, methods of replacing the existing leaf spring suspension systems, and suspension systems may include an upper load beam having a proximal end and a distal end, the distal end being configured to pivotally mount to a vehicle. A lower control arm includes a proximal end, a distal end, and a mounting location positioned between the proximal end distal ends. The distal end of the lower control arm is configured to pivotally engage a leaf spring mounting eye provided on the vehicle. The mounting location on the lower control arm is configured to pivotally receive the proximal end of the upper load beam.

The utility model relates to the field of new energy automobile chassis, and discloses a new energy automobile chassis control arm static tensile strength test device, which comprises a gantry upright post, an oil cylinder (with a force sensor), a gantry frame, a spring, a control arm body and a hydraulic power system, the oil cylinder with the force sensor is composed of a knuckle bearing lug, a knuckle bearing ball, a knuckle bearing, an oil cylinder body, a piston rod, the force sensor, a threaded fastener and a connecting fork rod. The control arm part is composed of a connecting block, a control arm body and a support. According to the utility model, the limit stress condition and durability of the control arm in a real vehicle state can be simulated, the rigidity influence of different material levels or single / double-plate type control arms can be evaluated, the verification accuracy of a bench test is high, and the lightweight design and development of each part of a chassis suspension can be guided.

The utility model relates to a left front lower swing arm welding assembly testing fixture which comprises a testing fixture bottom plate, a left support, a middle hole position detection device and a right support are sequentially arranged at the upper end of the testing fixture bottom plate from left to right in a staggered mode, and positioning protrusions are arranged at the upper end of the left support and the upper end of the right support. A side hole detection device is arranged in front of the left support at the upper end of the detection tool bottom plate, an inclined triangular hole position plate is arranged behind the left support, three detection hole positions which are arranged in a triangular shape are arranged at the upper end of the triangular hole position plate, and a first detection pin is inserted into each detection hole position; the upper end of the detection tool bottom plate is provided with a pressing device at the outer side of the left support, the outer side of the middle hole site detection device and the outer side of the right support, and the upper end of the detection tool bottom plate is provided with a turnover detection device at the rear of the middle hole site detection device. According to the utility model, hole sites such as a large mounting hole, a small mounting hole, an upper hole, an inner hole of a butt joint sleeve, the upper hole and the like are detected, each hole site is ensured to meet requirements, and the qualified rate of products leaving a factory is greatly improved.

The invention relates to a cutting line detection device and an optimization method after line breakage, the cutting line detection device comprises a bearing frame, one end of the upper side of the bearing frame is provided with a servo electric cylinder I, the movable end of the servo electric cylinder I is provided with a pull rod, the other end of the bearing frame is rotatably connected with a control arm, the control arm is provided with a linkage shaft, and the linkage shaft is connected with the servo electric cylinder I; the linkage shaft penetrates through the bearing frame and is fixedly connected with the assembling frame. Through use of a posture 1 and a posture 2, cutting lines under different conditions can be detected, a detection wheel is extruded by the cutting lines, a swing rod extrudes an elastic sheet through a linkage shaft and an extrusion arm, the elastic sheet transmits elastic force to pressure sensors, and the magnitude of tensile force is comprehensively judged through the cutting lines according to data detected by the two pressure sensors. The situation of false alarm or inaccurate detection is avoided, and if the detection data is suddenly reduced to zero, the line breaking accident may occur.

The invention relates to a high-integration-level vehicle wheel edge corner module and a vehicle, the high-integration-level vehicle wheel edge corner module comprises a wheel end assembly, the wheel end assembly comprises a hub and a wheel-side gear motor driving the hub to rotate, a brake disc is connected between the hub and the wheel-side gear motor, and a brake caliper is connected to a shell of the wheel-side gear motor; the steering assembly comprises a steering knuckle fixed on a shell of the hub gear motor and a swing arm support far away from the wheel end assembly and used for being connected with a vehicle body, the swing arm support is connected with a steering engine, and a steering pull rod is connected between the steering engine and the steering knuckle; the upper swing arm is rotatably connected between the steering knuckle and the swing arm support, the lower swing arm is rotatably connected between the steering knuckle and the swing arm support, and the shock absorber is connected between the lower swing arm and the swing arm support. By means of the decoupling design between the steering engine and the double-fork-arm suspension, the technical effect that the steering control precision of the steering assembly of the angle module on the wheels is guaranteed more reliably is achieved.

The utility model discloses an automobile suspension control arm lining press-in device which comprises a supporting seat, a mounting plate is arranged on the left side of the supporting seat in a sliding mode, a sleeve, a support and a motor are fixedly arranged on the mounting plate, a placing plate is arranged on the lower portion of the sleeve in a sliding mode, and five placing holes are formed in the placing plate. The front side and the rear side of each containing hole are each provided with a sliding groove, a baffle is arranged in each sliding groove in a sliding mode, springs are arranged between the baffles and the sliding grooves, two springs are arranged between each baffle and the adjacent sliding groove, and extrusion blocks are arranged at the upper ends of the baffles. One lining can be placed in each of the five placing holes, the motor can rotate to drive the gear to rotate so as to drive the rack and the placing plate to move, the different placing holes can be aligned with the cylindrical cavity, the lining can be rapidly pressed in along with continuous downward movement of the ballasting sleeve, and when the lining is pressed in the ballasting sleeve, the lining can be rapidly placed in the cylindrical cavity. And bushings can be placed in other placing holes, so that the operation time is shortened, and the use is more convenient.

The invention relates to the technical field of building reclaimed material collection treatment and classified collection, in particular to an automatic classification warehouse management device based on a self-propelled reclaimed material collection device, which comprises a main frame, self-propelled tracks and a centralized storage system, the self-propelled tracks and the centralized storage system are mounted on two sides of the main frame, and a middle modular classified storage module is mounted on the upper surface of the main frame. According to the automatic classification warehouse management device based on the self-propelled reclaimed material collecting device, an electric control type overturning telescopic control arm is adopted for carrying out telescopic and rotary adjustment on an electric control type shovel hopper, construction waste can be conveniently shoveled away, loaded and unloaded, and operation is easy and convenient; and the modularized storage bin is supported and overturned by adopting an electric control overturning supporting platform in the main frame, so that the modularized storage bin can be conveniently replaced according to needs, and the applicability is improved.

The present invention belongs to the technical field of subframes, and provides a multi-directional core-pulling aluminum alloy subframe, which includes a main body integrally formed by high-pressure casting. The main body includes two cross beams, two longitudinal beams, a front control arm bracket, and a rear control arm bracket. The longitudinal beams are connected between the cross beams. The cross beams are provided with body mounting holes, and on the body mounting holes, there are front-to-rear core-pulling structures extending towards the longitudinal beams. The front control arm bracket and the rear control arm bracket are connected to the longitudinal beams, and on the longitudinal beam between the front control arm bracket and the rear control arm bracket, there is a lateral core-pulling structure. The advantages of the present invention are that by integrally casting and forming with aluminum alloy, the number of parts is integrated from 11 parts into 1 part, the welding process and assembly process are cancelled, the complexity of product manufacturing is reduced, the weight of the entire subframe is reduced by about 5%, and the modal of each position is improved by using the front-to-rear core-pulling structure and the front core-pulling structure. The modal performance of the entire subframe is improved by about 8%.

An integrated aluminum alloy rear auxiliary frame structure comprises cross beams and side beams which are made of aluminum alloy, front suspension lining installation sleeves are symmetrically arranged on the front cross beam, front vehicle body lining installation sleeves are arranged at the front ends of the left side beam and the right side beam, and rear vehicle body lining installation sleeves are arranged at the rear ends of the left side beam and the right side beam. A transverse stabilizer bar installation opening is formed in the inner side of the rear vehicle body sleeve installation pipe, motor driving shaft receding holes are formed in the middle sections of the left side beam and the right side beam, upper control arm installation supporting lugs are arranged at the upper ends of the motor driving shaft receding holes, and a swing arm front installation opening is formed in the front side of the motor driving shaft receding holes. A motor driving shaft receding hole is formed in the front side of the front beam, a front beam adjusting rod mounting opening is formed in the lower end of the swing arm front mounting opening, a rear suspension lining mounting sleeve is arranged on the rear side of the motor driving shaft receding hole, and a swing arm rear mounting opening is formed in the lower end of the rear suspension lining mounting sleeve. A plurality of sand leakage holes communicated with the inner cavities of the side beams are formed in the upper and lower end surfaces of the left side beam and the right side beam.

The utility model discloses a rear suspension control arm hydraulic clamp which comprises a tool bottom plate which is provided with a positioning mechanism for placing a product. The positioning mechanism comprises a profiling block, a clamping structure, a pressing structure, a supporting structure and fool-proof structures, wherein one end of the product abuts against the profiling block, the clamping structure pushes the product towards one side of the profiling block, the pressing structure presses the product from top to bottom, the supporting structure supports the product from bottom to top, and the fool-proof structures are distributed on the two sides of the product; the pressing structure comprises a single-point pressing assembly, a double-point pressing assembly and a multi-direction pressing assembly, the single-point pressing assembly is provided with a pressing point acting on a product, and the double-point pressing assembly is provided with two pressing points capable of acting on the product at the same time. The multidirectional pressing assembly is provided with a flange and a pressing point acting on the upper end of the product. Products are limited in a multi-angle and all-directional mode, it is guaranteed that the products cannot deviate in the machining process, the rigidity of the products in the machining process is improved, and deformation of the products in the machining process is reduced.

The invention belongs to the technical field of vehicle engineering target testing, and particularly relates to a method for verifying the height of a vehicle based on a suspension hard point. Reloading a sample piece, refueling a test vehicle, calibrating tire pressure, and carrying out a dynamic inspection test; the hard point height DMU analyzes and obtains theoretical heights of an inner front point of a front lower control arm and an inner point of a rear lower control arm of the test vehicle in the no-load state of the whole vehicle, actually measures and obtains actual heights of the inner front point of the front lower control arm and the inner point of the rear lower control arm of the test vehicle in the no-load state, and calculates and corrects the spring load; and manufacturing a front spiral spring and a rear spiral spring according to the no-load correction value, and obtaining the actual height of the inner front point of the front lower control arm and the inner point of the rear lower control arm of the test vehicle in the no-load state until the actual height is the same as the theoretical height. And the height of the automobile is adjusted by converting the lever ratio of the spring and reversely pushing the no-load load of the spring.

The invention provides a drive-by-wire angle module with a 90-degree steering function and a chassis with the drive-by-wire angle module. The drive-by-wire angle module comprises a wheel assembly, an upper control arm assembly, an upper control arm fixing seat, a pipeline harness assembly, a steering motor assembly, a lower control arm assembly, a spring shock absorber assembly and a main pin bogie assembly. One end of the upper control arm assembly is connected with the upper control arm fixing seat, and the other end of the upper control arm assembly is connected with a vehicle body or a frame; one end of the lower control arm assembly is movably connected with the lower end of the main pin bogie assembly through the multi-direction rotating connecting assembly, and the other end of the lower control arm assembly is connected with a vehicle body or a vehicle frame. One end of the spring shock absorber assembly is connected to the lower control arm assembly, and the other end of the spring shock absorber assembly is connected to a vehicle body or a vehicle frame. According to the drive-by-wire angle module with the 90-degree steering function and the chassis with the angle module, a driving system, a steering system, a suspension system, a braking system and the like are integrated, and on the basis of achieving the functions of in-situ turning, transverse moving, oblique moving and normal running, the problem of pipeline harness arrangement can be well solved.