CN112504703B - Macpherson suspension all-working-condition rack verification device - Google Patents
Macpherson suspension all-working-condition rack verification device Download PDFInfo
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- CN112504703B CN112504703B CN202011363278.7A CN202011363278A CN112504703B CN 112504703 B CN112504703 B CN 112504703B CN 202011363278 A CN202011363278 A CN 202011363278A CN 112504703 B CN112504703 B CN 112504703B
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- 239000000725 suspension Substances 0.000 title claims abstract description 41
- 238000012795 verification Methods 0.000 title claims abstract description 36
- 239000006096 absorbing agent Substances 0.000 claims description 30
- 230000035939 shock Effects 0.000 claims description 30
- 239000003351 stiffener Substances 0.000 claims description 10
- 238000010200 validation analysis Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 13
- 238000012360 testing method Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 5
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000012356 Product development Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000003416 augmentation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a Macpherson suspension all-condition rack verification device, which comprises: the auxiliary actuator device comprises a main actuator device, an auxiliary actuator device, a loading device, an auxiliary frame fixing device and a steering engine driving device; the adjustable and expandable suspension bracket can be adjusted and expanded in different widths, different heights, different suspension parameters and the like.
Description
Technical Field
The invention belongs to the technical field of vehicle chassis, and particularly relates to a Macpherson suspension full-working-condition rack verification device.
Background
The McPherson suspension is a form of independent suspension of an automobile, and is widely applied to various types of vehicles, particularly front suspension structures, due to the simple structure and low cost. The components generally comprise a left brake assembly, a right brake assembly, a left front sliding column assembly, a right front sliding column assembly, a front stabilizer bar assembly, a stabilizer bar connecting rod assembly, a left control arm assembly, a right control arm assembly, a steering gear assembly, a front auxiliary frame assembly and the like.
In the process of implementing the invention, the inventor finds that the prior art has at least the following problems:
before mass production of vehicles comes into the market, a large amount of verification work is required to be carried out on all designed vehicles so as to ensure the reliability of the vehicles. The verification work mainly comprises bench verification and road test verification, the bench verification mainly focuses on the verification of parts and system levels, and the road test verification mainly focuses on the verification of the whole vehicle. If the system-level rack verification is sufficient, the system-level rack verification method can be closer to the working condition of the real vehicle, and the cycle and the cost of the verification of the whole vehicle can be greatly saved. The suspension system generally performs rack verification at a component level, and the rack verification at the system level is rarely performed due to complex rack devices, long manufacturing period, poor expandability and the like; and the stage verification of the parts level can not really reflect the real vehicle working condition because the stage verification working condition is greatly different from the real vehicle working condition, so that the stage verification can not really correspond to the real vehicle verification, the road test verification period is increased, the product development period is further increased, and the stage verification method is greatly different from the original intention of 'shortening the product development period and rapidly promoting the products to be on the market' pursued by vehicle enterprises.
Disclosure of Invention
The invention aims to solve the technical problem of providing an adjustable and extensible Macpherson suspension full-working-condition rack verification device which can perform different widths, different heights, different suspension parameters and the like.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a full operating mode rack verification device of McPherson suspension, has:
the auxiliary actuator device comprises a main actuator device, an auxiliary actuator device, a loading device, an auxiliary frame fixing device and a steering machine driving device;
the main actuator device includes:
a main actuator support seat;
the main actuator is arranged on the main actuator supporting seat;
the main actuating disc is arranged on the main actuator and can simulate the friction coefficient of a road surface; the main actuating disc can support wheels;
the sub-actuator device includes:
a sub-actuator mount;
the auxiliary actuator is arranged on the auxiliary actuator fixing frame;
a connecting bracket, the first end of which is connected with the auxiliary actuator;
the wheel fixing seat is connected with the second end of the connecting bracket; the wheel fixing seat is fixedly connected with the wheel;
the loading device has:
a support frame;
the supporting beam is arranged at the upper part of the supporting frame;
the force applying device is arranged on the supporting beam;
the shock absorber connecting seat is connected with the stress application device and is connected with a shock absorber;
the subframe fixing device has:
a support post;
the fixed sleeve support is arranged at the upper end of the strut;
the auxiliary frame fixing sleeve is arranged on the fixing sleeve support; the auxiliary frame fixing sleeve is connected with the frame;
the steering drive device includes:
a motor support column;
the motor support is arranged on the motor support column;
and the steering driving motor is arranged on the motor support, and a rotating shaft of the steering driving motor is connected with the steering column.
The force applying device is further provided with a force sensor support, the force sensor support is provided with a force sensor, and the force sensor is arranged between the force applying device and the shock absorber connecting seat.
The main actuator supporting seat is of a multi-stage structure capable of moving up and down; still have the fixed base of main actuator, the main actuator supporting seat is installed on the main actuator fixed base.
Still have vice actuator unable adjustment base, vice actuator mount is installed on vice actuator unable adjustment base.
Still be equipped with vice actuator supporting seat on the vice actuator mount, vice actuator supporting seat is articulated with vice actuator mount to be equipped with the rotation of rotating the vice actuator supporting seat of locking round pin locking.
The fixed cover support has two to be equipped with preceding stiffener and back stiffener and connect two fixed cover supports.
Still have the pillar seat, the bottom of pillar with the pillar seat is connected.
The fixed cover of sub vehicle frame is fixed cover behind fixed cover and the sub vehicle frame before the sub vehicle frame, fixed cover is installed respectively behind fixed cover of sub vehicle frame front and the sub vehicle frame the both ends of fixed cover support.
The fixed cover support is provided with a T-shaped sliding groove, and the auxiliary frame front fixed cover and the auxiliary frame rear fixed cover are slidably mounted in the T-shaped sliding groove.
One of the technical schemes has the following advantages or beneficial effects that the full-working-condition bench test of McPherson suspension structures with different loads, different wheel tracks, different heights, different four-wheel parameters, different pipe column arrangement angles, different road surface types and the like can be performed, and the working conditions mainly comprise wheel jump working conditions, braking working conditions, accelerating working conditions, pivot steering working conditions, high-speed and low-speed steering working conditions and the like.
Drawings
FIG. 1 is a schematic structural diagram of a McPherson suspension all-condition rack verification device provided in an embodiment of the invention;
FIG. 2 is a schematic structural diagram of the McPherson suspension all-condition gantry verification apparatus shown in FIG. 1;
FIG. 3 is a schematic structural diagram of a main actuator device and a sub-actuator device of the McPherson suspension all-duty stage verification device of FIG. 1;
FIG. 4 is a diagram of the main and auxiliary actuator stages of the McPherson suspension full operating condition stage verification apparatus of FIG. 1;
FIG. 5 is a diagram of a main actuator rack and an auxiliary actuator rack of the McPherson suspension all-operating-condition rack verification device in FIG. 1;
FIG. 6 is a diagram of a loading device of the McPherson suspension all-duty rack validation device of FIG. 1;
FIG. 7 is a diagram of a loading device of the McPherson suspension all-duty gantry verification apparatus of FIG. 1;
FIG. 8 is a sub-frame fixture diagram of the McPherson suspension full condition rack validation apparatus of FIG. 1;
FIG. 9 is a sub-frame fixture diagram of the McPherson suspension full condition rack validation apparatus of FIG. 1;
FIG. 10 is a diagram of a steering engine drive of the McPherson suspension all-duty gantry verification apparatus of FIG. 1;
FIG. 11 is a diagram of a steering engine drive of the McPherson suspension all-operating-condition gantry verification apparatus of FIG. 1;
FIG. 12 is a diagram of a secondary actuator device of the McPherson suspension full regime stage validation device of FIG. 1;
FIG. 13 is a view of the sub-actuator device of FIG. 12;
FIG. 14 is a schematic view of the damper attachment seat of the secondary actuator device of FIG. 12;
FIG. 15 is a sub-frame fixture diagram of the McPherson suspension full condition rack validation apparatus of FIG. 1;
the labels in the above figures are: 1. a main actuator device, 1.1, a main actuator supporting seat, 1.2, a main actuator, 1.3, a main actuating disc, 1.4, a main actuator fixing base, 2, an auxiliary actuator device, 2.1, a wheel fixing seat, 2.2, a connecting bracket, 2.3, an auxiliary actuator, 2.4, an auxiliary actuator supporting seat, 2.4.1, a rotary locking pin, 2.5, an auxiliary actuator fixing frame, 2.6, an auxiliary actuator fixing base, 3, a loading device, 3.1, a shock absorber connecting seat, 3.2, a force sensor, 3.2.1, force sensor support, 3.3, thrust augmentation device, 3.4, supporting beam, 3.5, support frame, 4, sub vehicle frame fixing device, 4.1, the fixed cover before the sub vehicle frame, 4.2, the fixed cover behind the sub vehicle frame, 4.3, fixed cover support, 4.4, preceding stiffener, 4.5, back stiffener, 4.6, pillar, 4.7, pillar seat, 5, steering engine drive arrangement, 5.1, turn to driving motor, 5.2, the motor support, 5.3, the motor support post, 6, the bolt hole.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, a Macpherson suspension all-condition rack verification device is characterized in that a main actuator device supports left and right tires and simulates wheel jump conditions; the auxiliary actuator device is connected with the left wheel and the right wheel through the wheel fixing disc so as to simulate braking and accelerating working conditions; the auxiliary frame fixing device is connected with the auxiliary frame through an auxiliary frame connecting hole so as to fix the auxiliary frame; the loading device is connected with the left shock absorber and the right shock absorber to simulate the stress condition of a real vehicle; the steering machine driving device is connected with the steering machine through the steering lower shaft so as to simulate the fixed angle of the real vehicle.
The main actuator 1.2 is fixedly connected with a main actuator supporting seat 1.1 (with adjustable height), a main actuating disc 1.3 and a main actuator fixing base 1.4 through bolts respectively, wherein the main actuator 1.2 is connected with a microcomputer, and an actual measured road spectrum of the whole vehicle or an excitation curve manually set can be input through program control; the height of the main actuator supporting seat 1.1 is adjustable; the main actuating disk 1.3 has a disk surface for simulating friction coefficients of different road surfaces, and different main actuating disks can be replaced according to the required simulated road surfaces.
Wheel fixing base 2.1, linking bridge 2.2, auxiliary actuator 2.3 (can follow the wheel and carry out the rotation about, from top to bottom the swing of small amplitude), auxiliary actuator supporting seat 2.4 (see figure 12), auxiliary actuator mount 2.5 (T type groove structure, auxiliary actuator supporting seat 2.4 height-adjustable on this support), auxiliary actuator unable adjustment base 2.6 link firmly through the bolt in proper order.
Adjusting the height of the auxiliary actuator according to the height of the suspension, the height of the main actuator and the like, and fixedly connecting the wheel fixing seat with the wheel through a bolt; the height of the main actuator supporting seat is adjusted, and the main actuator which is consistent with the friction coefficient of the road surface to be simulated is replaced to support the wheel.
The shock absorber connecting seat 3.1, the force sensor (digital display type) 3.2, the force applying device 3.3 and the supporting beam 3.4 are fixedly connected through bolts in turn, wherein the position of the force applying device on the supporting beam can be adjusted according to different shock absorber positions; the supporting beam is fixedly connected with the supporting frame 3.5 through bolts, and the supporting frame is provided with a full-through bolt groove so as to be convenient for adjusting the height of the supporting beam 3.4.
The shock absorber connecting seat is fixed on the shock absorber through a bolt and a nut, then the force sensor, the force applying device and the supporting beam are sequentially and fixedly connected through a bolt, and then the supporting beam is fixed on the support.
The upper part and the lower part of the auxiliary frame front fixing sleeve 4.1 and the auxiliary frame rear fixing sleeve 4.2 are both provided with internal threads, and fixing sleeves with different heights can be replaced according to the height difference of the frame hole positions; the 4.1 and the 4.2 are fixed on the fixed sleeve support 4.3 through bolts, a T-shaped sliding groove is arranged on the fixed sleeve support 4.3 (with adjustable length), and the positions of the 4.1 and the 4.2 can be adjusted according to different hole positions of the frame; fixed cover support 4.3 is fixed on pillar 4.6 through bolted connection, and in order to guarantee fixing device's stability, sets up preceding stiffener 4.4, back stiffener 4.5 in order to link firmly with fixed cover support 4.3, pillar 4.6 (height-adjustable), and pillar 4.6 is fixed on pillar seat 4.7 (length-adjustable) through bolted connection.
The front fixing sleeve and the rear fixing sleeve of the auxiliary frame are fixedly connected with the auxiliary frame fixing hole through bolts, the fixing sleeve support is fixedly connected with the fixing sleeve through bolts, and finally the fixing base support, the front reinforcing rod and the rear reinforcing rod are fixedly connected with the support column and the support column base through bolts.
The steering driving motor 5.1 is fixedly connected with a steering driving motor support 5.2 (adjustable in height) through a bolt, the steering driving motor support 5.2 is fixedly connected with a steering driving motor support column 5.3 (adjustable in height), wherein the angle of the steering driving motor 5.1 can be adjusted according to the arrangement angle of a pipe column, the height of the steering driving motor support 5.2 and the height of the steering driving motor support column 5.3 are adjustable, and the relative angle of the steering driving motor support column and the steering driving motor support column can also be adjusted (adjusted along the axial direction).
The angle and the height of the driving motor are adjusted according to the arrangement angle and the arrangement position of the steering column, and the driving motor is connected with a steering engine through a steering lower transmission shaft.
When the wheel jump working condition is carried out, the auxiliary actuator is disconnected from the wheel; when the steering working condition is carried out, the steering locking pin is pulled out, and the auxiliary actuator 2.3 can rotate around the spherical pin shaft connected with the auxiliary actuator 2.4; when braking and accelerating are carried out, the steering locking pin is locked.
The force sensor 3.2 and the force sensor support 3.2.1 can be fixedly connected according to the angle of the shock absorber, and can also be connected by a ball pin, so that the universality of the shock absorber after the arrangement angle is adjusted is facilitated.
The shock absorber connecting seat is of a hexagonal box-packed structure, the lower bottom surface of the shock absorber connecting seat is a shock absorber mounting surface, the three small holes are shock absorber stud holes, and the middle large hole is a shock absorber upper support through hole. 5 apertures on the upper surface are bolt holes fixedly connected with the force sensor, 3 large apertures are reserved for fastening and disassembling the shock absorber mounting nut, and the aperture is larger than the outer diameter of the nut fastening sleeve.
Detailed introduction of test device construction
And (3) setting up an auxiliary frame fixing device: according to comprehensive consideration of the total height of a suspension, the height of a loading device, the height of a main actuator rack and an auxiliary actuator rack, the height of a steering engine driving device and the like, the height of an auxiliary frame fixing device is set, front and rear mounting holes of an auxiliary frame are fixedly connected with front and rear mounting sleeves of the auxiliary frame through bolts and then fixed on a fixed sleeve support 4.3, a T-shaped sliding groove is formed in the fixed sleeve support 4.3, and the positions of the front and rear mounting sleeves of the auxiliary frame can be adjusted according to different hole positions of a frame; fixed cover support 4.3 is fixed on pillar 4.6 through bolted connection, and pillar 4.6 is fixed on pillar seat 4.7 through bolted connection, for guaranteeing fixing device's stability, sets up preceding stiffener 4.4, back stiffener 4.5 in order to link firmly with fixed cover support 4.3, pillar 4.6.
Main actuator device construction: fixing a wheel fixing seat 2.1 on a wheel, replacing a main actuator 1.3 with the same friction coefficient as the road surface to be simulated, and adjusting the height of the main actuator supporting seat 1.1 to achieve the suspension posture in the required load state;
building a loading device: the method comprises the steps of fixing a shock absorber connecting seat 3.1 and a front upper vibration isolation block, then fixedly connecting a force sensor (digital display type) 3.2 and the shock absorber connecting seat 3.1 in a threaded mode, fixedly connecting a force applying device 3.3 and the force sensor 3.2 in a threaded mode, finally fixedly connecting the force applying device 3.3 on a supporting beam 3.4, fixing the position of a supporting frame 3.5, adjusting the height of the supporting beam 3.4, and then applying force by the force applying device 3.3 until the force sensor displays a required load force value.
Constructing an auxiliary actuator device: the auxiliary actuator fixing base 2.6 and the auxiliary actuator fixing frame 2.5 are fixed at proper positions, the connecting support 2.2, the auxiliary actuator 2.3 and the auxiliary actuator supporting seat 2.4 are sequentially and fixedly connected, and the auxiliary actuator supporting seat is fixed at a proper height position of the auxiliary actuator fixing frame 2.5 through bolts.
Constructing a steering engine driving device: the total height of a steering driving motor support column 5.3 and a steering driving motor support 5.2 is adjusted to be close to the installation height of the pipe column, then the pipe column driving motor is connected with the steering driving motor support 5.2 and is connected with the steering machine through a steering transmission shaft, the angle is adjusted according to the pipe column arrangement angle, and finally the installation height of the motor is finely adjusted to ensure that the pipe column arrangement angle and the steering lower shaft phase angle are consistent with the actual installation height.
Working processes of all working conditions are as follows:
(1) wheel jump working condition: a boosting device on a fixing frame on the shock absorber is boosted and fixed according to the load of the tested vehicle type, and a main actuator jumps according to a set wheel jump curve or a test lane road spectrum to drive wheels to jump; the auxiliary actuator is disconnected with the wheel;
(2) in the pivot steering working condition: a force applying device on a fixed frame on the shock absorber applies force according to the load of the tested vehicle type and is fixed, a main actuator and an auxiliary actuator do not work, actuating discs with different friction coefficients are replaced according to different tested road surfaces, and a steering motor works; pulling out the steering locking pin of the auxiliary actuator;
(3) low-speed driving and steering working conditions: the boosting device on the upper fixing frame of the shock absorber is boosted and fixed according to the load of the tested vehicle type, the brake is in a non-braking state, the auxiliary actuator works to enable the wheel to rotate, and the steering motor works to realize the left-right rotation of the wheel; the auxiliary actuator steering locking pin is pulled out;
(4) and (3) high-speed driving steering working condition: the boosting device on the upper fixing frame of the shock absorber is boosted and fixed according to the load of the tested vehicle type, the brake is in a non-braking state, the heights of the left main actuator, the right main actuator and the auxiliary actuator are adjusted to the height of up-down bounce of the left wheel and the right wheel of the vehicle caused by centrifugal force at the speed, the auxiliary actuator works to enable the wheels to rotate, and the steering motor works to achieve left-right rotation of the wheels; the auxiliary actuator steering locking pin is pulled out;
(5) braking condition: a force applying device on a fixed frame on the shock absorber applies force according to the load of the tested vehicle type and is fixed, a brake is in a non-braking state, a main actuator and a steering motor do not work, and an auxiliary actuator works in the X positive direction;
(6) acceleration condition: the force applying device on the upper fixing frame of the shock absorber applies force according to the load of the tested vehicle type and is fixed, the brake is in a non-braking state, the main actuator and the steering motor do not work, and the auxiliary actuator works in the X negative direction.
An upper fixed mount of the shock absorber with the position adjustable and provided with a force application device and a force sensor is arranged; setting an auxiliary frame fixing frame with adjustable width and height; the setting position of the actuating rack is adjustable, and the actuating rack is provided with a main actuator and an auxiliary actuator; the actuating disc comprises a plurality of disc surfaces with different friction coefficients and capable of simulating different road surfaces and can be replaced according to simulated working conditions; the main actuator is vertical, works when simulating the jumping working condition and the steering working condition of the whole vehicle, is connected with the microcomputer, is controlled by a computer program, and can input a road spectrum for real vehicle test to simulate the working condition of the real vehicle and also can simulate the self-defined working condition. The auxiliary actuator is in horizontal direction, works under the conditions of braking and acceleration, is connected with the microcomputer, is controlled by the computer, and inputs pulse waveforms of different accelerations to simulate different braking and acceleration conditions. The input end of the steering machine is provided with a steering machine driving motor according to the arrangement angle of the pipe column, the driving motor is connected with a microcomputer and can rotate forward and backward under the control of a program so as to simulate left and right steering. When the wheel jump working condition is simulated, only the main actuator works, and the auxiliary actuator is disconnected; when the braking or accelerating working condition is simulated, the brake is in a braking state, and only the auxiliary actuator works; simulating an in-situ steering working condition, and when in-situ steering force is tested, only the steering motor works, and the auxiliary actuator rotates the locking pin to be pulled out; when the low-speed driving steering working condition is simulated, the brake is in a non-braking state, the steering motor and the auxiliary actuator work, and the auxiliary actuator rotates the locking pin to be pulled out; when the middle-high speed over-bending working condition is simulated, the brake is in a non-braking state, the steering motor, the main actuator and the auxiliary actuator all participate in working, and the auxiliary actuator rotates the locking pin to be pulled out.
The test bed has a simple structure, can be used for carrying out all-working-condition bench tests of McPherson suspension structures with different loads, different wheel tracks, different heights, different four-wheel parameters, different pipe column arrangement angles, different used road surface types and the like, and the working conditions mainly comprise wheel jump working conditions, braking working conditions, acceleration working conditions, in-situ steering working conditions, high-speed and low-speed steering working conditions and the like. The expansion is as follows: a steering force testing device is added, so that the steering force characteristics, the steering torque fluctuation and the like can be tested; and a KC data collection device is added, so that the characteristics of the suspension KC can be tested, and the like. The test verification of all working conditions of a multi-connecting-rod suspension, a double-fork-arm suspension and the like can be realized.
The invention has been described above with reference to the accompanying drawings, and it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (6)
1. The utility model provides a device is verified to full operating mode rack of McPherson suspension which characterized in that has:
the auxiliary actuator device comprises a main actuator device, an auxiliary actuator device, a loading device, an auxiliary frame fixing device and a steering machine driving device;
the main actuator device includes:
a main actuator supporting seat;
the main actuator is arranged on the main actuator supporting seat;
the main actuating disc is arranged on the main actuator and can simulate the friction coefficient of a road surface; the main actuating disc can support wheels;
the sub-actuator device includes:
a sub-actuator mount;
the auxiliary actuator is arranged on the auxiliary actuator fixing frame; the auxiliary actuator fixing frame is also provided with an auxiliary actuator supporting seat, and the auxiliary actuator supporting seat is hinged with the auxiliary actuator fixing frame and is provided with a rotation locking pin for locking the auxiliary actuator supporting seat to rotate;
a connecting bracket, the first end of which is connected with the auxiliary actuator;
the wheel fixing seat is connected with the second end of the connecting bracket; the wheel fixing seat is fixedly connected with the wheel;
the loading device has:
a support frame;
the supporting beam is arranged at the upper part of the supporting frame;
the force applying device is arranged on the supporting beam;
the shock absorber connecting seat is connected with the stress application device and is connected with the shock absorber;
the subframe fixing device has:
a pillar;
the fixed sleeve support is arranged at the upper end of the strut;
the auxiliary frame fixing sleeve is arranged on the fixing sleeve support; the auxiliary frame fixing sleeve is connected with the frame;
the steering drive device includes:
a motor support column;
the motor support is arranged on the motor support column;
the steering driving motor is arranged on the motor support, and a rotating shaft of the steering driving motor is connected with the steering column;
the main actuator supporting seat is of a multi-stage structure capable of moving up and down; the main actuator supporting seat is arranged on the main actuator fixing base;
still have vice actuator unable adjustment base, vice actuator mount is installed on vice actuator unable adjustment base.
2. The McPherson suspension full condition rack verification device according to claim 1, wherein a force sensor support is further arranged on the force application device, a force sensor is arranged on the force sensor support, and the force sensor is arranged between the force application device and the shock absorber connecting seat.
3. The McPherson suspension full regime rack validation apparatus of claim 2, wherein there are two of said harness supports and there are a front stiffener and a rear stiffener connecting the two harness supports.
4. The McPherson suspension all-duty rack validation device of claim 3, further comprising a strut seat, wherein a bottom of the strut is connected to the strut seat.
5. The McPherson suspension full behavior rack validation apparatus of claim 4, wherein said subframe mounts comprise subframe front and rear mounts, said subframe front and rear mounts being mounted at both ends of said mount support, respectively.
6. The McPherson suspension all-operating-condition rack validation device according to claim 5, wherein said harness support is provided with a T-shaped sliding groove, and said subframe front harness and subframe rear harness are slidably mounted in said T-shaped sliding groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011363278.7A CN112504703B (en) | 2020-11-27 | 2020-11-27 | Macpherson suspension all-working-condition rack verification device |
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| CN202011363278.7A CN112504703B (en) | 2020-11-27 | 2020-11-27 | Macpherson suspension all-working-condition rack verification device |
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