CN219830319U - Knuckle multichannel bench test loading arm with adjustable - Google Patents
Knuckle multichannel bench test loading arm with adjustable Download PDFInfo
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- CN219830319U CN219830319U CN202321167036.XU CN202321167036U CN219830319U CN 219830319 U CN219830319 U CN 219830319U CN 202321167036 U CN202321167036 U CN 202321167036U CN 219830319 U CN219830319 U CN 219830319U
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- knuckle
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- rolling radius
- bench test
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 238000005096 rolling process Methods 0.000 claims abstract description 30
- 238000004088 simulation Methods 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000004904 shortening Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Abstract
The utility model relates to an adjustable knuckle multichannel bench test loading arm which is used for an automobile knuckle bench test. The loading arm comprises a loading plate, a loading unit, a rolling radius adjusting unit, a wheel offset adjusting unit and a brake caliper simulation piece. The loading plate is connected with a loading unit for multichannel load loading of the steering knuckle, the rolling radius adjusting unit is arranged at the bottom of the loading arm and can slide along the direction of the strip hole of the loading plate, so that the rolling radius is adjusted, the wheel offset adjusting unit can change the wheel offset by changing flanges with different ET values, and the brake caliper simulation piece simulates the braking working condition of the steering knuckle. The utility model has compact structure and simple and convenient assembly, and can carry out multi-channel bench test on different steering knuckles only by replacing the brake caliper simulation piece and adjusting the wheel offset and the rolling radius, thereby reducing the design and manufacturing cost and shortening the test period.
Description
Technical Field
The utility model relates to the field of automobile part testing, in particular to a knuckle multichannel bench test loading arm with adjustable wheel offset and rolling radius.
Background
The knuckle is an important safety part of an automobile chassis suspension, is used for connecting wheels and an automobile body and transmitting and bearing variable loads of the automobile, and therefore the knuckle needs to be subjected to bench tests in a product development stage to verify the stability and reliability of the knuckle under different working conditions. At present, the bench test verification mode is divided into two types: one is to fix the mounting surface of the steering knuckle, load along the stress direction of the real vehicle in every mounting hole of the steering knuckle; the other is a suspension end for fixing the steering knuckle, the steering knuckle is fixed after being connected with a control arm, a damping cylinder and other connecting pieces, and multichannel load is applied to the wheel center or the grounding point so as to simulate the stress condition of a real vehicle under various working conditions.
For the second bench verification approach, a loading arm is required to be mounted on the knuckle mounting surface to apply the multichannel load. The traditional knuckle bench test loading arm is relatively simple in structure, and adjustment of the wheel offset distance and the wheel rolling radius cannot be achieved, so that when bench tests are carried out on different knuckles, the loading arm needs to be replaced frequently, the design and manufacturing cost of the loading arm is increased undoubtedly, and the test period is prolonged.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide an adjustable knuckle bench test loading arm which can adjust the rolling radius and the wheel offset of wheels corresponding to different knuckles, and solves the problems of high economic and time cost for the current situation that different loading arms are required to be designed and manufactured to be matched with different knuckles in bench tests.
According to one aspect of the present utility model, there is provided an adjustable knuckle multichannel bench test load arm comprising: the utility model provides a loading board, be used for adjusting wheel rolling radius's rolling radius adjustment unit, be used for adjusting wheel offset adjustment unit of wheel offset, be equipped with location scale and rectangular hole on the arm body of loading board, rolling radius adjustment unit includes U-shaped slider, second fastening bolt, nut, a word bearing, the second fastening bolt passes U-shaped slider and rectangular hole and fixes U-shaped slider on the arm body via the nut, the numerical value of the location scale that U-shaped slider top sideline corresponds is the wheel rolling radius that current knuckle corresponds, wheel offset adjustment unit includes: and the third fastening bolt is used for fixing the flange plate on the front surface of the loading plate.
Preferably, the rolling radius adjustment unit comprises two in-line bearings connected to the arm via U-shaped slides from the front side and the side, respectively.
Preferably, the loading unit is further comprised, and the loading unit comprises: the loading plate comprises a cushion body connected to a head plate of the loading plate through a first bolt, and a linear bearing connected with the cushion body.
Preferably, a loading unit is installed at the top and right of the annular plate, respectively.
Preferably, the brake caliper simulation member further comprises a threaded hole for connecting the knuckle.
Preferably, the brake caliper simulation piece comprises a caliper piece, a cushion block, a shaft pin and a fourth fastening bolt, wherein the caliper piece comprises a front side caliper piece and a back side caliper piece which are respectively positioned on the front side and the back side of the left part of the loading plate, through holes are formed in the center of the caliper piece and the corresponding loading plate, the shaft pin penetrates through the through holes, and the fourth fastening bolt penetrates through threaded holes formed in the front side caliper piece, the cushion block and the back side caliper piece, so that the brake caliper simulation piece clamps the loading plate.
The utility model has the advantages that when the bench endurance test is carried out on different steering knuckles, a new test loading arm is not required to be redesigned and manufactured, and only the flange plate and the brake caliper simulation piece corresponding to the ET value are required to be replaced, so that the position of the rolling radius adjusting unit is adjusted, the universality of the loading arm is realized, the design and manufacturing cost of the loading arm is saved, and the test period is greatly shortened.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural view of a loading arm according to an embodiment of the present utility model.
Fig. 2 is an assembled schematic view of the loading arm.
Description of main reference numerals: 1. load plate, load unit, 3, rolling radius adjustment unit, 4, wheel offset adjustment unit, 5, brake caliper simulation, 201, pad, 202, first fastening bolt, 203, straight bearing, 301, U-shaped slider, 302, second fastening bolt, 303, nut, 304, straight bearing, 401, replaceable flange, 402, third fastening bolt, 501, caliper, 502, pad, 503, axle pin, 504, fourth fastening bolt.
Detailed Description
Exemplary embodiments of the present utility model are described in detail below with reference to the attached drawings. The exemplary embodiments described below and illustrated in the drawings are intended to teach the principles of the present utility model to enable one skilled in the art to make and use the present utility model in a number of different environments and for a number of different applications. The scope of the utility model is therefore defined by the appended claims, and the exemplary embodiments are not intended, and should not be considered, as limiting the scope of the utility model. In the description of the present utility model, it should be understood that the terms "top," "right," "left," "bottom," "front," "back," and the like indicate orientation or positional relationships based on those shown in fig. 1, or those conventionally put in place when the present utility model is used, or those conventionally understood by those skilled in the art, and do not indicate or imply that the units referred to must have a specific orientation, and thus should not be construed as limiting the present utility model. Like elements are denoted by like or similar reference numerals throughout the drawings. Conventional structures or local constructions will be omitted when they may cause confusion or unaware of an understanding of the present disclosure.
The knuckle multi-channel bench test loading arm (hereinafter also referred to as loading arm) with adjustable wheel rolling radius and wheel offset as shown in fig. 1 and 2 comprises: the device comprises a loading plate 1, a loading unit 2, a rolling radius adjusting unit 3, a wheel offset adjusting unit 4 and a brake caliper simulation piece 5. The wheel offset and the wheel rolling radius of the bench test to be performed can be determined according to the whole vehicle parameters.
The loading plate 1 is formed in a key shape, for example, and comprises a head plate 6 and a bottom arm 7, and the loading unit 2 is respectively mounted on the top and the right of the annular plate 6, that is, the pad 201 is fixedly connected to the loading plate 1 through a first bolt 202, and a linear bearing 203 is connected for applying vertical force and longitudinal force load respectively.
The rolling radius adjusting unit 3 is respectively connected with the front surface and the side surface of the arm body 7 of the loading plate 1 and is used for adjusting the rolling radius of the wheel to respectively change the lateral force loading position and the braking force loading position, and comprises a U-shaped sliding block 301, a second fastening bolt 302, a nut 303 and a linear bearing 304. The U-shaped slide block 301 can be sleeved from the bottom of the loading plate 1 so as to be arranged on the arm body 7 of the loading arm to slide along the up-down direction of the arm body. Therefore, according to the rolling radius of the steering knuckle for testing, the U-shaped sliding block 301 is moved to a proper position by comparing the positioning graduated scale 11 arranged on the loading plate 1, the numerical value of the positioning graduated scale 11 corresponding to the edge line at the top of the U-shaped sliding block 301 is the current rolling radius, the second fastening bolt 302 penetrates through the U-shaped sliding block 301 and the strip hole 12 of the loading plate 1, the nut 303 is used for fastening, the U-shaped sliding block 301 is fixed on the loading plate 1, and the two linear bearings 304 are connected with the U-shaped sliding block 301 and are used for applying lateral force load and braking force load.
The wheel offset adjustment unit 4 is provided on the front surface of the loading plate 1, and includes: the flange 401 and the third fastening bolt 402 can be replaced, and the third fastening bolt 402 is used for fixing the flange 401 on the front surface of the loading plate 1 and adjusting the wheel offset of the loading arm. The test personnel can select the flange 401 with different ET values for installation according to the different steering knuckles. Different steering knuckles are connected by changing different flanges, so that the universal joint is strong and the installation is convenient.
The brake caliper simulation member 5 includes a caliper plate 501, a pad 502, a shaft pin 503, and a fourth fastening bolt 504. The clamping sheet 501 is divided into a front clamping sheet and a back clamping sheet, and is respectively positioned on the front side and the back side of the left part of the loading plate 1. The center part of the caliper sheet 501 and the corresponding loading plate 1 are provided with through holes, the shaft pin 503 penetrates through the through holes, and the fourth fastening bolt 504 penetrates through threaded holes formed in the front side caliper sheet, the cushion block 502 and the back side caliper sheet, so that the brake caliper simulation member 5 clamps the loading plate 1, and the braking effect of the caliper is simulated. In addition, the brake caliper simulation 5 has 2 threaded holes for connecting the knuckle.
In performing bench tests, the knuckle (not shown) and the brake caliper simulation member 5 associated with the knuckle are replaced as needed; according to the wheel offset of the knuckle, the replaceable flange 401 corresponding to the ET value is replaced to adjust the wheel offset of the loading arm; the U-shaped slider 301 is slid along the elongated hole 12 of the load plate 1 to a rolling radius position corresponding to the knuckle.
In this way, the loading plate 1, the loading unit 2, the rolling radius adjusting unit 3, the wheel offset adjusting unit 4 and the brake caliper simulation member 5 cooperate, and the rolling radius adjusting unit 3 can be used to adjust the lateral force and the braking force loading point to be consistent with the tire grounding point. The flange with proper ET value is selected according to the wheel center position, and the knuckle is fixed on the loading plate 1. According to the test requirements, the multi-channel (multi-degree-of-freedom) load loading of vertical force, longitudinal force, lateral force and braking force is carried out on the steering knuckle, so that the adjustment of the rolling radius of the loading arm and the wheel offset is realized, and the test requirements under different steering knuckle working conditions are met. The structure is compact, the operation is simple and convenient, the testing efficiency is improved, and the production cost is reduced.
In the description of the present utility model, the in-line bearing 203 and the in-line bearing 304 may be the same in-line bearing. The meaning of "a plurality of" is two or more, unless specifically defined otherwise. Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly, as they may be fixed, removable, or integral, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. While the utility model has been described with reference to various specific embodiments, it should be understood that numerous changes could be made within the spirit and scope of the inventive concepts described. Accordingly, it is intended that the utility model not be limited to the described embodiments, but that it have the full scope defined by the language of the following claims.
Claims (6)
1. An adjustable knuckle multichannel bench test loading arm, comprising: the loading plate (1), be used for adjusting wheel rolling radius's rolling radius adjustment unit (3), be used for adjusting wheel offset adjustment unit (4) of wheel offset, be equipped with location scale (11) and rectangular hole (12) on the arm body (7) of loading plate (1), rolling radius adjustment unit (3) are including U-shaped slider (301), second fastening bolt (302), nut (303), a word bearing, second fastening bolt (302) pass U-shaped slider (301) and rectangular hole (12) and fix U-shaped slider (301) on arm body (7) via nut (303), the numerical value of location scale (11) that U-shaped slider (301) top boundary corresponds is the wheel rolling radius that current knuckle corresponds, wheel offset adjustment unit (4) include: the loading plate comprises a replaceable flange plate (401) and a third fastening bolt (402) for fixing the flange plate (401) on the front surface of the loading plate (1).
2. The adjustable knuckle multichannel bench test loading arm according to claim 1, characterized in that the rolling radius adjustment unit (3) comprises two in-line bearings connected to the arm body (7) via U-shaped slides (301) from the front side and the side, respectively.
3. The adjustable knuckle multichannel bench test loading arm of claim 1, further comprising a loading unit (2), the loading unit (2) comprising: a pad body (201) connected to the head plate (6) of the loading plate (1) through a first bolt (202), and a linear bearing connected with the pad body (201).
4. An adjustable knuckle multichannel bench test loading arm according to claim 3, characterized in that a loading unit (2) is mounted on top and right side of the annular plate (6), respectively.
5. An adjustable knuckle multichannel bench test loading arm according to claim 1, characterized in that it further comprises a brake caliper simulation (5) provided with a threaded hole for connecting the knuckle.
6. The adjustable knuckle multichannel bench test loading arm according to claim 5, characterized in that the brake caliper simulation member (5) comprises a caliper sheet (501), a cushion block (502), a shaft pin (503) and a fourth fastening bolt (504), wherein the caliper sheet (501) comprises a front side caliper sheet and a back side caliper sheet which are respectively positioned on the front side and the back side of the left part of the loading plate (1), through holes are formed in the center part of the caliper sheet (501) and the corresponding loading plate (1), the shaft pin (503) penetrates through the through holes, and the fourth fastening bolt (504) penetrates through threaded holes formed in the front side caliper sheet, the cushion block (502) and the back side caliper sheet so that the brake caliper simulation member (5) clamps the loading plate (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321167036.XU CN219830319U (en) | 2023-05-15 | 2023-05-15 | Knuckle multichannel bench test loading arm with adjustable |
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CN202321167036.XU CN219830319U (en) | 2023-05-15 | 2023-05-15 | Knuckle multichannel bench test loading arm with adjustable |
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CN219830319U true CN219830319U (en) | 2023-10-13 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112985838A (en) * | 2021-04-01 | 2021-06-18 | 中信戴卡股份有限公司 | Universal suspension and test equipment for automobile chassis simulation road test |
CN112985838B (en) * | 2021-04-01 | 2024-05-14 | 中信戴卡股份有限公司 | Universal suspension and test equipment for simulating road test of automobile chassis |
-
2023
- 2023-05-15 CN CN202321167036.XU patent/CN219830319U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112985838A (en) * | 2021-04-01 | 2021-06-18 | 中信戴卡股份有限公司 | Universal suspension and test equipment for automobile chassis simulation road test |
CN112985838B (en) * | 2021-04-01 | 2024-05-14 | 中信戴卡股份有限公司 | Universal suspension and test equipment for simulating road test of automobile chassis |
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