CN115165287A - Durable detection rack of automobile shock absorber ware - Google Patents
Durable detection rack of automobile shock absorber ware Download PDFInfo
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- CN115165287A CN115165287A CN202211081900.4A CN202211081900A CN115165287A CN 115165287 A CN115165287 A CN 115165287A CN 202211081900 A CN202211081900 A CN 202211081900A CN 115165287 A CN115165287 A CN 115165287A
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- shock absorber
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0078—Shock-testing of vehicles
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
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Abstract
The invention relates to the technical field of automobile detection equipment, in particular to an automobile shock absorber durability detection bench which comprises a suspension simulation end, an impact manufacturing end and an impact mechanism, wherein the suspension simulation end comprises a shock absorber upper end and a shock absorber lower end, the upper end of the shock absorber is connected with the shock absorber upper end, the lower end of the shock absorber is connected with the shock absorber lower end, a first spring is further connected between the shock absorber upper end and the shock absorber, the shock absorber lower end comprises a wheel assembly, the impact manufacturing end is abutted to the wheel assembly, the impact manufacturing end is used for lifting the wheel assembly, when the wheel assembly travels from the highest point to the lowest point, the wheel assembly is in contact with the impact mechanism at the lowest point.
Description
Technical Field
The invention relates to the technical field of automobile detection equipment, in particular to an automobile shock absorber durability detection rack.
Background
In actual driving, because the suspension system knowledge bears the unidirectional impact transmitted to the tire from the bottom surface when the first impact is generated, the vehicle body and the suspension are lifted due to the first impact, and the downward acceleration of the vehicle body and the impact of the bottom surface to the tire are simultaneously applied to the suspension during the wheel grounding process, the first impact of the shock absorber is not always the main source of the life damage of the shock absorber, but the impact of the secondary rebound generated after the impacted tire contacts the ground again has stronger influence on the life of the shock absorber.
The shock absorber test stand in the prior art has the following differences from actual driving: 1. only one of lateral force simulation or secondary impact simulation can be selected, which cannot simulate both the lateral force borne by the shock absorber and the secondary impact, but the lateral force is the main reason for oil leakage of an oil seal at the position of the piston rod, and the lateral force is one of the main factors influencing the durability of the shock absorber and should not be omitted, please refer to fig. 11; 2. the two-way shock absorber test bench realizes the relative motion and the phase separation motion of piston rod and cylinder body of shock absorber through two eccentric wheels about partly, and the kinetic energy size of the relative motion that the eccentric wheel simulated is great with the kinetic energy size difference in the actual driving, but the referential of the life-span testing result of shock absorber still has the space that continues to promote.
Disclosure of Invention
The purpose of the invention is: the defects in the prior art are overcome, and the automobile shock absorber durability detection rack is provided.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the suspension simulating end comprises a shock absorber upper end and a shock absorber lower end, the upper end of the shock absorber is connected with the shock absorber upper end, the lower end of the shock absorber is connected with the shock absorber lower end, a first spring is further connected between the shock absorber upper end and the shock absorber, the shock absorber lower end comprises a wheel assembly, the shock producing end is abutted to the wheel assembly, the shock producing end is used for lifting the wheel assembly, and when the wheel assembly travels from the highest point to the lowest point, the wheel assembly contacts with the impact mechanism at the lowest point.
Furthermore, the suspension simulation end comprises a stand column, the upper end of the shock absorber and the lower end of the shock absorber are connected with the stand column, the lower end of the shock absorber comprises a lower swing arm, one end of the lower swing arm is hinged with the stand column, and the upper end of the shock absorber can slide up and down and is connected with the stand column.
Further, the upper end of the shock absorber comprises a sliding block and a connecting rod, the sliding block is connected with the connecting rod, the connecting rod is connected with the upper end of the shock absorber through a tower top connecting piece, and a weight limiting mechanism is connected onto the connecting rod.
Further, the lower surface of the connecting rod is connected with the upper end of the shock absorber through the tower top connecting piece, the lower end of the connecting rod is provided with two T-shaped grooves for placing the tower top connecting pair connected with the tower top connecting piece, and the tower top connecting pair can slide along the T-shaped grooves.
Furthermore, the impact manufacturing end comprises a special-shaped wheel, the special-shaped wheel is located below the wheel assembly, the special-shaped wheel is in contact connection with the wheel assembly, a rotating plane of the special-shaped wheel is parallel to the rotating plane of the wheel assembly, the periphery of the special-shaped wheel comprises two sections, namely a lifting section and a non-lifting section, the two ends of the lifting section are respectively an end A and an end B, the wheel assembly is in contact with a warp where the end A is located and then is in contact with a warp where the end B is located, the two ends of the non-lifting section are respectively an end C and an end D, the wheel assembly is in contact with a warp where the end C is located and then is in contact with a warp where the end D is located, the end A and the end D coincide, the warp where the end B is located and the warp where the end C is located are collinear, and the distance R1 from the end B to the rotation center is greater than the distance R2 from the end C to the rotation center.
Furthermore, the impact manufacturing end further comprises a driving mechanism, the impact mechanism comprises an impact plate, a spring II and a stressed support, the impact plate is connected to the surface of the non-lifting section through the spring II, the stressed support comprises a support I and a support II, the support I and the support II are respectively located on two sides of the special-shaped wheel, when the special-shaped wheel drives the impact plate to rotate below the wheel assembly, the lower surface of the impact plate is in contact connection with the upper surface of the stressed support, and the stressed support is not connected with the driving mechanism.
Furthermore, the lifting section is an elliptic cylindrical surface, and the end A and the end B are adjacent quartering points in the circumferential direction of the elliptic cylindrical surface respectively; the non-lifting section is a cylindrical surface, the end C and the end D are respectively adjacent quartering points in the circumferential direction of the cylindrical surface, the diameter of the cylindrical surface is equal to the length of the short axis of the elliptic cylindrical surface, and the rotation axis of the special-shaped wheel is superposed with the axes of the elliptic cylindrical surface and the cylindrical surface.
Furthermore, the impact plate is an arc plate, the axis of the impact plate coincides with the rotation axis of the special-shaped wheel, the upper surfaces of the first support and the second support are arc surfaces, the radius of the upper surfaces of the first support and the second support is equal to that of the lower surface of the impact plate, and when the second spring is in a natural state, the lower surface of the impact plate is higher than that of the first support and the second support.
Furthermore, the driving mechanism comprises a motor, a motor bracket and a driving shaft, a rotor of the motor penetrates through the motor bracket to be connected with the driving shaft, and the driving shaft is connected with the special-shaped wheel.
Furthermore, the slider includes at least a set of spout, the stand is close to install the roller train on the face of slider, the roller train includes the gyro wheel of at least one row vertical arrangement, the axis of rotation of gyro wheel is on a parallel with the horizontal plane, the group number of spout with the row number of gyro wheel equals, the gyro wheel in the spout with rolling friction takes place for the tank bottom of spout.
The technical scheme adopted by the invention has the beneficial effects that:
1. some embodiments in this application make the load on the wheel assembly more be close with the in-service use sight through placing the weight in the top of bumper shock absorber, and the kinetic energy that produces when producing the impact is showing to be greater than prior art and is being close more and strike the kinetic energy that produces in the in-service use sight, and the testing result that obtains has the referential more than prior art.
2. Some embodiments in this application make the installation angle of bumper shock absorber adjust according to the in-service use scene of bumper shock absorber through setting up the tower top groove, place the weight when in order to simulate actual load on the connecting rod, because the bumper shock absorber is not perpendicular to the horizontal plane, so the load can be divided into the power Fay along the bumper shock absorber and the yawing force Fax of perpendicular to bumper shock absorber, need not to simulate the yawing force specially and can obtain the effect of simulation yawing force, the complexity of check out test set has been reduced, make the testing process more be close to in-service use scene, also make the referential of testing result further improve.
3. Certain embodiments of the present application provide a special attack mechanism to avoid the reduction of the linearity tolerance of the motor rotor caused by the downward impact of the wheels, and to prolong the service life of the electrodes.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein
FIG. 1 is an oblique view of the present invention;
FIG. 2 is an oblique view from another angle of the present invention;
FIG. 3 is a right side view of the present invention;
FIG. 4 is a front view of the present invention;
FIG. 5 isbase:Sub>A cross-sectional view taken at front view A-A of the wheel assembly of the present invention inbase:Sub>A low position;
FIG. 6 isbase:Sub>A cross-sectional view taken along line A-A of the front view of the wheel assembly of the present invention in the elevated position;
FIG. 7 isbase:Sub>A cross-sectional view taken at A-A ofbase:Sub>A front view of the wheel assembly of the present invention in contact with an impact plate;
FIG. 8 is a front view of the wheel assembly of the present invention in contact with the striker plate;
FIG. 9 is a force diagram of a shock absorber;
FIG. 10 is a force diagram of the force to which the shock absorber is subjected;
figure 11 is a force diagram of the lateral force experienced by the shock absorber.
1. A suspension analog end; 112. a connecting rod; 1121. a tower top groove; 1122. a T-shaped groove; 113. a slider; 114. a weight limiting mechanism; 115. a weight; 121. a wheel assembly; 122. a lower swing arm; 131. a guide mechanism; 132. a roller; 2. impacting the manufacturing end; 21. a special-shaped wheel; 22. a motor; 23. a motor bracket; 3. an impact mechanism; 31. a strike-on plate; 32. a second spring; 33. a stressed support; 4. a shock absorber; 5. a first spring; 6. a tower top connecting piece.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention. The present invention is described in detail by using schematic structural diagrams and the like, which are only examples and should not limit the protection scope of the present invention. In addition, the actual fabrication process should include three-dimensional space of length, width and depth.
Referring to fig. 1 to 11, an automobile shock absorber durability detection bench includes a suspension simulation end 1, an impact manufacturing end 2 and an impact mechanism 3, where the suspension simulation end 1 includes a shock absorber upper end and a shock absorber lower end, the upper end of the shock absorber 4 is connected to the shock absorber upper end, the lower end of the shock absorber 4 is connected to the shock absorber lower end, a first spring 5 is further connected between the shock absorber upper end and the shock absorber 4, the shock absorber lower end includes a wheel assembly 121, the impact manufacturing end 2 abuts against the wheel assembly 121, the impact manufacturing end 2 is used to lift the wheel assembly 121, and when the wheel assembly 121 travels from a highest point to a lowest point, the wheel assembly 121 contacts the impact mechanism 3 at the lowest point.
A spring one 5 is used to pull out the retracted piston rod.
The upper end and the lower end of the shock absorber are arranged to be closer to the actual working scene of the shock absorber 4, so that the detection process is more real, and the reference of the detection result is higher.
Because wheel assembly 121 also can play certain cushioning effect in the actual work scene, can filter some vibrations, if do not set up wheel assembly 121 on the check out test set and other factor simulation all under complete circumstances, the bumper shock absorber 4 life-span that the testing result obtained can be less than bumper shock absorber 4 life-span in the actual scene.
The impact mechanism 3 can be stressed independently, so that the simulated impact is prevented from damaging other parts, and the service life of the equipment is prolonged
Referring to fig. 1-2, the suspension simulation end 1 includes an upright, the upper end of the shock absorber and the lower end of the shock absorber are both connected to the upright, the lower end of the shock absorber includes a lower swing arm 122, one end of the lower swing arm 122 is hinged to the upright, and the upper end of the shock absorber is connected to the upright in a manner of sliding up and down.
The lower swing arm 122 is connected with the wheel assembly 121 through a knuckle, and the lower end of the shock absorber 4 is connected with the lower swing arm 122 through the knuckle.
The upper end of the shock absorber capable of sliding up and down is used for simulating the upper end of the shock absorber floating up and down in actual scenes.
Referring to fig. 1-2, the upper end of the shock absorber includes a sliding block 113 and a connecting rod 112, the sliding block 113 is connected to the connecting rod 112, the connecting rod 112 is connected to the upper end of the shock absorber 4 through the tower top connecting member 6, and the connecting rod 112 is connected to a weight limiting mechanism 114.
A guide mechanism 131, preferably a slide rail, is further disposed between the slide block 113 and the upright, that is, as shown in fig. 1, a linear bearing may be mounted on the slide block 113, and a linear slide rail may be disposed on the upright so that the slide block 113 and the upright realize relative movement through the linear bearing and the linear slide rail.
Compared with the guide mechanism 131 only arranged on one side of the slide block 113, the guide mechanism 131 can also be arranged on the other side of the slide block 113 to ensure the smoothness of the slide block 113 during the up-and-down movement.
In some embodiments of the present application, the weight 115 is placed above the shock absorber 4, so that the load on the wheel assembly 121 is closer to the actual use situation, the kinetic energy generated when the shock is generated is significantly greater than that in the prior art and closer to that in the actual use situation, and the obtained detection result is more referential than that in the prior art.
Some embodiments in the present application provide the weight limiting mechanism 114 as a limiting post for placing a pie-shaped weight, and it is contemplated that the weight limiting mechanism 114 may be provided in other forms, such as a basket-shaped form.
Referring to fig. 1 to 3, the lower surface of the connecting rod 112 is connected to the upper end of the damper 4 through the tower top connecting member 6, the lower end of the connecting rod 112 is provided with two T-shaped grooves 1122 for placing a tower top connecting pair connected to the tower top connecting member 6, and the tower top connecting pair can slide along the T-shaped grooves 1122 to adjust the installation angle of the damper 4.
Referring to fig. 9-11, in some embodiments of the present application, the installation angle of the shock absorber 4 can be adjusted according to the actual usage scenario of the shock absorber 4 by providing the tower top groove 1121, and when the weight 115 is placed on the connecting rod 112 to simulate an actual load, since the shock absorber 4 is not perpendicular to the horizontal plane, the load can be divided into a force Fay along the shock absorber 4 and a lateral force Fax perpendicular to the shock absorber 4, and the effect of simulating the lateral force can be obtained without specially simulating the lateral force, so that the complexity of the detection apparatus is reduced, the detection process is closer to the actual usage scenario, and the reference of the detection result is further improved.
Referring to fig. 5 to 7, the impact manufacturing end 2 includes a special-shaped wheel 21, the special-shaped wheel 21 is located below the wheel assembly 121, the special-shaped wheel 21 is in contact connection with the wheel assembly 121, a rotation plane of the special-shaped wheel 21 is parallel to the rotation plane of the wheel assembly 121, a wheel periphery of the special-shaped wheel 21 includes two sections, which are a lifting section and a non-lifting section, two ends of the lifting section are respectively an a end and a B end, the wheel assembly 121 contacts with a meridian where the a end is located first and then contacts with a meridian where the B end is located, two ends of the non-lifting section are respectively a C end and a D end, the wheel assembly 121 contacts with a meridian where the C end is located first and then contacts with a meridian where the D end is located, the a end and the D end are overlapped, the meridian where the B end is located is collinear with the meridian where the C end is located, and a distance R1 from the B end to a rotation center is greater than a distance R2 from the C end to the rotation center, so as to manufacture a height difference, which is used for simulating a falling process of the wheel assembly 121.
The wheel assembly 121 simulates the climbing process from end a (D) to end B, fig. 5-6, and the second impact process and the subsequent reciprocating shock filtering process from end B to end C (a), fig. 6-7.
Referring to fig. 4, the impact manufacturing end 2 further includes a driving mechanism, the impact mechanism 3 includes an impact plate 31, a second spring 32 and a stressed support 33, the impact plate 31 is connected to the surface of the non-lifting section through the second spring 32, the stressed support 33 includes a first support and a second support, the first support and the second support are respectively located at two sides of the special-shaped wheel 21, when the special-shaped wheel 21 drives the impact plate 31 to rotate below the wheel assembly 121, the lower surface of the impact plate 31 is in contact connection with the upper surface of the stressed support 33, and the stressed support 33 is not connected to the driving mechanism.
When the impact plate 31 bears the impact brought by the wheel assembly 121 upwards, the lower surface of the impact plate 31 contacts with the upper surfaces of the first support and the second support, the impact received by the impact plate 31 is transmitted to the first support and the second support, the motor support 23 is bypassed, and the motor support 23, the motor 22, the spline shaft or the coupler is prevented from being damaged.
Referring to fig. 5-7, the lifting section is an elliptic cylindrical surface, and the end a and the end B are respectively adjacent quartering points on the circumference of the elliptic cylindrical surface; the non-lifting section is a cylindrical surface, the end C and the end D are adjacent quartering points in the circumferential direction of the cylindrical surface respectively, the diameter of the cylindrical surface is equal to the length of a short shaft of the elliptic cylindrical surface, and the rotation axis of the special-shaped wheel 21 is overlapped with the axes of the elliptic cylindrical surface and the cylindrical surface.
Preferably, referring to fig. 1 and 2, grooves are formed in two sides of the special-shaped wheel 21, and a counterweight can be attached to the grooves in the detection process to achieve dynamic balance of rotation of the special-shaped wheel 21 as much as possible, so that the service life of the motor 22 is further prolonged.
Referring to fig. 5 to 7, the impact plate 31 is an arc plate, an axis of the impact plate 31 coincides with a rotation axis of the special-shaped wheel 21, upper surfaces of the first support and the second support are arc surfaces, radii of the upper surfaces of the first support and the second support are equal to a radius of a lower surface of the impact plate 31, and when the second spring 32 is in a natural state, the lower surface of the impact plate 31 is higher than the upper surfaces of the first support and the second support.
Referring to fig. 4, the driving mechanism includes a motor 22, a motor bracket 23 and a driving shaft, wherein a rotor of the motor 22 passes through the motor bracket 23 to be connected with the driving shaft, and the driving shaft is connected with the profile wheel 21.
The motor 22 is connected with the special-shaped wheel 21 through a spline shaft, and the spline shaft is connected with a rotor of the motor 22 through a coupler.
Referring to fig. 1-2, the sliding block 113 includes at least one set of sliding grooves, the surface of the upright column close to the sliding block 113 is installed with a roller set, the roller set includes at least one row of vertically arranged rollers 132, the rotation axis of the rollers 132 is parallel to the horizontal plane, the number of the sets of sliding grooves is equal to the number of the rows of the rollers 132, and the rollers 132 generate rolling friction with the bottom of the sliding grooves in the sliding grooves.
Because the stand is kept away from to connecting rod 112 and the barycenter of slider 113, when only setting up guiding mechanism 131 in one side of slider 113 between slider 113 and the stand, the lower extreme of slider 113 can be closer to the stand more, and the upper end of slider 113 can be kept away from the stand more, can cause sliding friction's numerical value increase after the lower extreme of slider 113 and the stand contact, causes the slider 113 to slide the card and pause, influences the testing result. The increase of the roller 132 can convert the friction between the slider 113 and the upright from sliding friction to rolling friction, and the friction is hardly changed even if the force of the lower end of the slider 113 on the roller 132 is increased.
Please refer to fig. 9-11 for the shock absorber 4 of the present application, w is the supporting force provided by the wheel assembly 121, fc is the supporting force provided by the lower swing arm 122 to the shock absorber 4 assembly, fa is the simulated gravity of the weight 115, etc., the force balance can obtain the magnitude and direction of Fa, the direction of Fa is divided into Fay with the same direction as the shock absorber 4 and Fax perpendicular to the shock absorber 4 after the component force, and then the lateral force F1 at the oil seal and the lateral force F2 at the piston can be obtained according to the moment balance, as can be seen, the lateral forces Fax, F1 and F2 borne by the shock absorber 4 can be simulated already under the condition of increasing the load of the weight 115.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a durable test bench of automobile shock absorber ware which characterized in that: the shock absorber comprises a suspension simulation end, an impact manufacturing end and an impact mechanism, wherein the suspension simulation end comprises an upper end of a shock absorber and a lower end of the shock absorber, the upper end of the shock absorber is connected with the upper end of the shock absorber, the lower end of the shock absorber is connected with the lower end of the shock absorber, a first spring is connected between the upper end of the shock absorber and the shock absorber, the lower end of the shock absorber comprises a wheel assembly, the impact manufacturing end is abutted against the wheel assembly, the impact manufacturing end is used for lifting the wheel assembly, and when the wheel assembly travels from the highest point to the lowest point, the wheel assembly is in contact with the impact mechanism at the lowest point.
2. The durability test bench for automobile shock absorber according to claim 1, characterized in that: the suspension simulation end comprises a stand column, the upper end of the shock absorber and the lower end of the shock absorber are connected with the stand column, the lower end of the shock absorber comprises a lower swing arm, one end of the lower swing arm is hinged with the stand column, and the upper end of the shock absorber can slide up and down and is connected with the stand column.
3. The durability test bench for automobile shock absorber according to claim 2, characterized in that: the upper end of the shock absorber comprises a sliding block and a connecting rod, the sliding block is connected with the connecting rod, the connecting rod is connected with the upper end of the shock absorber through a tower top connecting piece, and a weight limiting mechanism is connected onto the connecting rod.
4. The durability test bench for automobile shock absorber according to claim 3, characterized in that: the connecting rod lower surface is connected with the upper end of bumper shock absorber through the top of the tower connecting piece, the lower extreme of connecting rod is seted up twice T type groove and is used for placing the top of the tower that connects the top of the tower connecting piece and connect vice, the top of the tower is connected vice can be slided along T type groove.
5. The durability test bench for automobile shock absorber according to claim 1, characterized in that: the impact manufacturing end comprises a special-shaped wheel, the special-shaped wheel is located below a wheel assembly, the special-shaped wheel is in contact connection with the wheel assembly, the rotating plane of the special-shaped wheel is parallel to the rotating plane of the wheel assembly, the wheel periphery of the special-shaped wheel comprises two sections, namely a lifting section and a non-lifting section, the two ends of the lifting section are respectively an A end and a B end, the wheel assembly is in contact with the warp where the A end is located and then is in contact with the warp where the B end is located, the two ends of the non-lifting section are respectively a C end and a D end, the wheel assembly is in contact with the warp where the C end is located and then is in contact with the warp where the D end is located, the A end and the D end are overlapped, the warp where the B end is located and the warp where the C end is located are collinear, and the distance R1 from the B end to the rotation center is greater than the distance R2 from the C end to the rotation center.
6. The durability test bench for automobile shock absorber according to claim 5, characterized in that: the impact manufacturing end further comprises a driving mechanism, the impact mechanism comprises an impact plate, a spring II and a stress support, the impact plate is connected to the surface of the non-lifting section through the spring II, the stress support comprises a support I and a support II, the support I and the support II are respectively located on two sides of the special-shaped wheel, when the special-shaped wheel drives the impact plate to rotate below the wheel assembly, the lower surface of the impact plate is in contact with the upper surface of the stress support, and the stress support is not connected with the driving mechanism.
7. The durability test bench for automobile shock absorber according to claim 6, characterized in that: the lifting section is an elliptic cylindrical surface, and the end A and the end B are adjacent quartering points in the circumferential direction of the elliptic cylindrical surface respectively; the non-lifting section is a cylindrical surface, the end C and the end D are adjacent quartering points in the circumferential direction of the cylindrical surface respectively, the diameter of the cylindrical surface is equal to the length of a short shaft of the elliptic cylindrical surface, and the rotation axis of the special-shaped wheel is overlapped with the axes of the elliptic cylindrical surface and the cylindrical surface.
8. The durability test bench for automobile shock absorber according to claim 7, characterized in that: the impact plate is an arc plate, the axis of the impact plate coincides with the rotation axis of the special-shaped wheel, the upper surfaces of the first support and the second support are arc surfaces, the radius of the upper surfaces of the first support and the second support is equal to the radius of the lower surface of the impact plate, and when the second spring is in a natural state, the lower surface of the impact plate is higher than the upper surfaces of the first support and the second support.
9. The durability test bench for automobile shock absorber according to claim 8, characterized in that: the driving mechanism comprises a motor, a motor bracket and a driving shaft, wherein a rotor of the motor penetrates through the motor bracket to be connected with the driving shaft, and the driving shaft is connected with the special-shaped wheel.
10. The durability test bench for automobile shock absorber according to claim 3, characterized in that: the slider includes at least a set of spout, the stand is close to install the roller train on the face of slider, the roller train includes the gyro wheel of at least one vertical row of arranging, the axis of rotation of gyro wheel is on a parallel with the horizontal plane, the group number of spout with the line number of gyro wheel equals, the gyro wheel is in the spout with rolling friction takes place for the tank bottom of spout.
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| CN202211081900.4A CN115165287B (en) | 2022-09-06 | 2022-09-06 | Durable detection rack of automobile shock absorber ware |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116773229A (en) * | 2023-08-15 | 2023-09-19 | 山东金彭新能源科技有限公司 | Durable detection device of automobile shock absorber ware |
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| CN203350050U (en) * | 2013-08-01 | 2013-12-18 | 安徽工程大学 | Automobile quarter suspension performance testbed |
| CN203858119U (en) * | 2014-05-27 | 2014-10-01 | 临海市鹿城机车部件有限公司 | Motorcycle front damper test device |
| CN105258956A (en) * | 2015-11-16 | 2016-01-20 | 辽宁工业大学 | Variable simulated road devices, vehicle rotating hub endurance test stand and test method |
| CN108269486A (en) * | 2018-03-23 | 2018-07-10 | 深圳科澳汽车科技有限公司 | A kind of dynamic suspension platform and its method of work |
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| CN116773229A (en) * | 2023-08-15 | 2023-09-19 | 山东金彭新能源科技有限公司 | Durable detection device of automobile shock absorber ware |
| CN116773229B (en) * | 2023-08-15 | 2023-11-21 | 山东金彭新能源科技有限公司 | Durable detection device of automobile shock absorber ware |
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