Front auxiliary stabilizer bar vertical fatigue test mechanism

Abstract

The utility model discloses a front auxiliary stabilizer bar vertical fatigue test mechanism, which comprises a rack platform, a rack arranged on the rack platform, and a fatigue test device matched with the rack, and the fatigue test device comprises an accompanying test positioning assembly arranged on the rack platform and a pulling assembly connected to the rack. The pulling assembly comprises a pulling base, the pulling base is connected with the rack, a connecting structure is arranged on the working face of the pulling base, a driving mechanism is connected with the pulling base through a connecting piece, and a pull rod is arranged at the working end of the driving mechanism in the arrangement direction of the accompanying positioning assembly in an extending mode. The testing assembly is matched with the accompanying testing positioning assembly to achieve vertical fatigue testing of the front auxiliary stabilizer bar, the working state after loading can be truly simulated, the testing result is more reliable, misjudgment of structural parts is prevented, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the test field of automobile parts, in particular to a front auxiliary stabilizer bar vertical fatigue test mechanism. BACKGROUND

[0002] The stabilizer bar, also known as the anti-roll bar and the balance bar, is an auxiliary elastic element in the automobile suspension. Its function is to prevent the vehicle body from excessive lateral roll when turning and to keep the vehicle body balanced as much as possible. By connecting with the front auxiliary frame, the automobile ride comfort can be improved.

[0003] For example, a Chinese utility model patent with the patent name of a front auxiliary frame structure for installing a stabilizer bar and the publication number CN209955688U discloses a front auxiliary frame structure for installing a stabilizer bar. A front auxiliary frame structure for installing a stabilizer bar includes an auxiliary frame assembly and a stabilizer bar. Both sides of the auxiliary frame assembly are provided with a faucet support. The faucet support is connected with the stabilizer bar through a fixing device. The fixing device includes an inner nest and an outer positioning sleeve that are matched with the stabilizer bar. The shape of the outer positioning sleeve matches that of the inner nest. The faucet support is fixed with a threaded pipe with external threads. Both sides of the outer positioning sleeve are provided with an extension plate. The extension plate is provided with a positioning hole matched with the threaded pipe. The outer positioning sleeve and the faucet support are connected through a nut matched with the threaded pipe. The faucet support and the stabilizer bar have high stability at the connection position, have a long service life, and make the safety hidden trouble of the automobile during driving lower.

[0004] These structures need to be tested for fatigue before leaving the factory. The existing test method is to directly fix the test structure to the ground clamp. Moreover, the clamp has high rigidity, so that when testing the fatigue resistance, the rigidity of the clamp is greater than the strength of the vehicle body mounting part, which makes it impossible to directly simulate the use state of the mounting on the vehicle body, the test result has large error, the reliability is low, and the structure that meets the standard is also misjudged as unqualified product, which provides production cost and is not conducive to production. UTILITY MODEL CONTENTS

[0005] The utility model provides a front auxiliary stabilizer bar vertical fatigue test mechanism that can simulate real vehicle conditions and has high reliability in view of the deficiencies in the prior art.

[0006] In order to solve the above technical problems, the utility model discloses a front auxiliary stabilizer bar vertical fatigue test mechanism, including the platform of rack, be provided with the rack on the platform of rack, be provided with fatigue test device with the rack cooperation, fatigue test device includes the test positioning assembly of setting on the platform of rack and the pulling assembly of connecting on the rack, the pulling assembly includes the pulling seat, the pulling seat is connected with the rack, the working surface of the pulling seat is provided with the connecting structure, and the driving mechanism is connected with the pulling seat through the connecting piece, and the setting direction of the working end of the driving mechanism is extended to the pulling rod of the test positioning assembly, and the test positioning assembly is formed cooperation and realizes the vertical fatigue test of front auxiliary stabilizer bar.

[0007] In the above technical scheme, the rack includes vertical support parts symmetrically arranged on the platform of rack and horizontal parts connecting the extension ends of the two vertical support parts, and the pulling assembly is arranged on the horizontal parts and extends to the working surface direction of the platform of rack.

[0008] In the above technical scheme, the connecting piece is a flexible connecting structure, which can effectively simulate the real vehicle condition after loading and make the test more accurate.

[0009] In the above technical scheme, the connecting piece is a universal joint, which can effectively simulate the various forces from the three-dimensional direction after loading the real vehicle condition and make the test more accurate.

[0010] In the above technical scheme, the pulling rod includes a driving connection end connected with the working end of the driving mechanism and a test connection end provided with a connecting site.

[0011] In the above technical scheme, the connecting site is a connecting ring matched with the size of the stabilizer bar, and during the test, the stabilizer bar can be inserted into the connecting ring at both ends, which is convenient to operate.

[0012] In the above technical scheme, the platform of rack is provided with a plurality of mounting sites, and the test positioning assembly can be freely adjusted in the mounting site.

[0013] In the above technical scheme, the test positioning assembly includes a test piece and a support.

[0014] In the above technical scheme, the test piece is a plurality of brackets with L-shaped cross section, which can be consistent with the stiffness of the connecting piece under the working condition of the vehicle body, effectively simulate the real vehicle condition after loading, make the test more accurate, and prevent the misjudgment of the fatigue degree of the structural part.

[0015] In the above technical scheme, the support includes a group of supports.

[0016] Compared with the prior art, the utility model has following beneficial effects: through the support piece of low rigidity and the support piece of rigidity consistent with the vehicle state cooperate to support the installation of front auxiliary stabilizer bar and auxiliary frame, through the pull assembly of vertical direction and then realize the fatigue test of stabilizer bar after loading, can simulate the working state after loading, make the test result more reliable, and prevent the misjudgment of structural part, reduce production cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed in the embodiments will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor on the premise of the drawings.

[0018] Figure 1 The structure schematic diagram of the utility model is equipped with test piece.

[0019] Figure 2 For Figure 1 The partial enlarged view of A part in the middle.

[0020] Figure 3 The structure schematic diagram of the utility model.

[0021] Figure 4 The structure schematic diagram of the pull assembly. DETAILED DESCRIPTION

[0022] The utility model will be further described in detail below in combination with the drawings.

[0023] The following description is used to disclose the utility model so that those skilled in the art can realize the utility model.The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought by those skilled in the art.The basic principles defined in the following description can be used in other embodiments, modification, improvement, equivalent and other technical schemes without departing from the spirit and scope of the utility model.

[0024] Those skilled in the art should understand that, in the disclosure of the utility model, the orientation or position indicated by the terms "longitudinal", "transverse", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientation or position relationship shown in the drawings, which is only for the simplified description of the utility model for convenience, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore the above terms can not be understood as a limitation of the utility model.

[0025] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number.

[0026] Referring to Figures 1 to 4 A front sub stabilizer bar vertical fatigue test mechanism, comprising a rack platform 1, a plurality of installation positions 11 are arranged on the rack platform 1, and a test positioning assembly can be freely adjusted in position through the installation positions, which is used to match front sub stabilizer bars 7 and subframes of different sizes and shapes, so that the test mechanism has stronger adaptability.

[0027] Among them, the test positioning assembly includes a test piece 41 and a support piece 42, and the test piece 41 is a plurality of brackets with an L-shaped cross section. The rigidity of the L-shaped structure can be consistent with the rigidity of the connecting piece under the working condition of the vehicle body, effectively simulating the real vehicle condition after installation, making the test more accurate, and preventing misjudgment of the fatigue degree of the structural part. The support piece 42 includes a group of supports for supporting the front sub stabilizer bar 7 during vertical fatigue testing.

[0028] A rack 2 is arranged on the rack platform 1, which includes a vertical support part 21 arranged symmetrically on the rack platform 1 and a horizontal part 22 connecting the extension ends of the two vertical support parts 21. The pulling assembly 3 is arranged on the horizontal part 22 and can adjust the installation position on the horizontal part 22. The pulling assembly 3 is vertically arranged, and the working end extends in the direction of the working surface of the rack platform 1.

[0029] The pulling assembly 3 includes a pulling seat 31, a connecting piece 6, a driving mechanism 5, and a pull rod 32. The pulling seat 31 is a groove structure with an open side, which can be clamped on the horizontal part 22 through the slot. Of course, the distance between the upper working surface and the lower working surface can be set as an adjustable structure to adapt to racks 2 of any size. A connecting structure 311 is arranged on the lower working surface. The universal joint is used for the connecting piece 6, which can be connected through the connecting structure 311. The other end of the universal joint is connected with the driving mechanism 5. Of course, the function of the universal joint is to simulate the force generated in each direction under the actual vehicle working condition.

[0030] Of course, the connecting piece 6 is not limited to the form of a universal joint, and a flexible connecting structure can also meet the requirements.

[0031] The pull rod 32 is arranged along the working end of the driving mechanism 5 in the direction of the setting direction of the test positioning assembly. The pull rod 32 includes a driving connection end 321 connected with the working end of the driving mechanism, and a test connection end 322 provided with a connecting position 322a, which is a connecting ring matched with the size of the stabilizer bar.

[0032] It is worth mentioning that the driving mechanism can adopt various forms such as a pneumatic cylinder, a hydraulic cylinder and the like for driving the action of the pull rod 32.

[0033] The above structure only needs to position the combined front auxiliary stabilizer bar 7 and the auxiliary frame on the to-be-tested position through the test accessory 41 and the support 42 during testing, and pass the two ends of the front auxiliary stabilizer bar 7 into the connecting ring, drive the action of the pull rod 32 through the driving mechanism 5, simulate the working state after being mounted on the vehicle, obtain a more reliable test result, improve the safety, and reduce the production cost.

[0034] It should be understood by those skilled in the art that the embodiments of the utility model shown in the above description and the drawings are only taken as examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been shown and explained in the embodiments, and the embodiments of the utility model can have any deformation or modification without departing from the principle.

Claims

1. A vertical fatigue testing mechanism for a front stabilizer bar, characterized in that, The device includes a test platform (1), on which a frame is provided. A fatigue testing device is provided in cooperation with the frame. The fatigue testing device includes a test positioning component provided on the test platform (1) and a pulling component (3) connected to the frame. The pulling component (3) includes a pulling seat (31), which is connected to the frame. A connecting structure (311) is provided on the working surface of the pulling seat (31). A drive mechanism (5) is connected to the pulling seat (31) through a connector (6). A pull rod (32) is provided extending along the working end of the drive mechanism (5) toward the setting direction of the test positioning component. The pull rod (32) cooperates with the test positioning component to realize the vertical fatigue test of the front auxiliary stabilizer (7).

2. The front auxiliary stabilizer bar vertical fatigue testing mechanism according to claim 1, characterized in that, The frame includes vertical support parts (21) symmetrically arranged on the platform (1) and horizontal parts (22) connecting the extension ends of the two vertical support parts (21). The pulling component (3) is arranged on the horizontal part (22) and extends toward the working surface of the platform (1).

3. The front auxiliary stabilizer bar vertical fatigue testing mechanism according to claim 2, characterized in that, The connector (6) is a flexible connection structure.

4. The front auxiliary stabilizer bar vertical fatigue testing mechanism according to claim 3, characterized in that, The connector (6) is a universal joint.

5. The front auxiliary stabilizer bar vertical fatigue testing mechanism according to claim 3, characterized in that, The pull rod (32) includes a drive connection end connected to the working end of the drive mechanism, and a test connection end (322) provided with a connection position (322a).

6. The front auxiliary stabilizer bar vertical fatigue testing mechanism according to claim 5, characterized in that, The connection point (322a) is a connecting ring that is adapted to the size of the stabilizer bar.

7. The front auxiliary stabilizer bar vertical fatigue testing mechanism according to claim 2, characterized in that, The test stand (1) is provided with several installation positions (11), and the test positioning component can be freely adjusted in installation position through the installation positions.

8. The front auxiliary stabilizer bar vertical fatigue testing mechanism according to claim 2, characterized in that, The companion positioning component includes a companion component (41) and a support component (42).

9. The front auxiliary stabilizer bar vertical fatigue testing mechanism according to claim 8, characterized in that, The test specimen (41) consists of several supports with an L-shaped cross section.

10. The front auxiliary stabilizer bar vertical fatigue testing mechanism according to claim 9, characterized in that, The support (42) includes a set of supports.

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