A stabilizer bar fatigue test equipment with positioning function

Abstract

The present application relates to a stabilizer bar fatigue test equipment with a positioning function, belonging to the field of stabilizer bar testing technology, including a workbench and a fixed base arranged on the workbench, the stabilizer bar to be tested is placed on the fixed base, an arc groove is provided on the fixed base, the stabilizer bar to be tested is placed in the arc groove, a fixed steel wire is arranged on the fixed base and in the arc groove, the fixed steel wire is located on both sides of the stabilizer bar to be tested, one end of the fixed steel wire is located in the fixed base, the other end is located outside the fixed base and fixedly provided with a connecting plate, the connecting plate is used to press the stabilizer bar to be tested, the stabilizer bar fatigue test equipment also includes a connecting piece, the connecting piece is used to connect the connecting plates on both sides into a whole after the connecting plates are close to each other and are pressed on the stabilizer bar to be tested, a tightening piece is also arranged in the fixed base, the tightening piece is used to tighten the fixing steel wire and fix the stabilizer bar to be tested on the fixed base. The present application has the effect of facilitating the fixation of the stabilizer bar.

Description

Technical Field

[0001] The present application relates to the technical field of stabilizer bar testing, and in particular to a stabilizer bar fatigue testing device with a positioning function. Background Art

[0002] The lateral stabilizer bar is an auxiliary elastic element in the automobile suspension. It can effectively reduce the lateral roll of the vehicle body when turning or passing a pothole, and improve the smoothness and handling stability of the vehicle. The lateral stabilizer bar is a torsion bar spring made of spring steel. It is "U" shaped and is placed horizontally at the front and rear ends of the car. The middle part of the lateral stabilizer bar is hinged to the frame with a bushing, and the two ends of the lateral stabilizer bar are fixed to the left and right suspensions respectively through connecting rods. During the production process of automobile stabilizer bars, finished products will be regularly sampled for fatigue testing. Fatigue testing of the stabilizer bar directly affects the performance and safety of the car.

[0003] At present, a patent document with application announcement number CN114674537A discloses a stabilizer bar fatigue test equipment with a positioning function, including a workbench, a driving mechanism and a first fixing mechanism, the first fixing mechanism including a base, a limit block, a clamp and two displacement blocks. In this application, the first mounting hole on the base is set so that the first fixing mechanism can be flexibly disassembled and installed with the workbench, which is convenient for adjusting the position of the first fixing mechanism and can match stabilizer bars of different sizes. Through the setting of the displacement block and the first slide groove, the displacement block can slide on the base, which is convenient for adjusting the positioning holes on the displacement block. By adjusting the positions of the two displacement blocks, stabilizer bars of different sizes can be matched conveniently. By adjusting the clamp to connect with different positioning holes, the size of the clamp can be adjusted to facilitate fixing stabilizer bars of different sizes. Through the setting of the first fixing mechanism, its adaptability to stabilizer bars of different sizes is improved, reducing the investment and expenditure of production equipment.

[0004] However, when the stabilizer bar is fixed on the workbench by the first fixing member, the fixing process is relatively complicated, and for stabilizer bars of different specifications, the pipe clamp needs to be replaced and then fixed, which also makes the fixing process relatively complicated. Summary of the invention

[0005] In order to facilitate the fixation of the stabilizer bar, the present application provides a stabilizer bar fatigue test device with a positioning function.

[0006] The present application provides a stabilizer bar fatigue test device with positioning function, which adopts the following technical solution:

[0007] A stabilizer bar fatigue test equipment with a positioning function comprises a workbench and a fixed base arranged on the workbench, the stabilizer bar to be tested is placed on the fixed base, an arc groove is opened on the fixed base, the stabilizer bar to be tested is placed in the arc groove, a fixed steel wire is arranged on the fixed base and in the arc groove, the fixed steel wire is located on both sides of the stabilizer bar to be tested, one end of the fixed steel wire is located in the fixed base, and the other end is located outside the fixed base and fixedly provided with a connecting plate, the connecting plate is used to press the stabilizer bar to be tested, the stabilizer bar fatigue test equipment also comprises a connecting piece, the connecting piece is used to connect the connecting plates on both sides into a whole after they are close to each other and are crimped onto the stabilizer bar to be tested, a tightening piece is also arranged in the fixed base, the tightening piece is used to tighten the fixing steel wire and fix the stabilizer bar to be tested on the fixed base.

[0008] Optionally, the surface of the connecting plate facing the stable bar to be tested is arc-shaped, and after the connecting plates on both sides are connected as a whole by a connecting piece, the two connecting plates are both supported on the top of the stable bar to be tested and fit on the stable bar to be tested.

[0009] Optionally, the connecting member includes a dovetail block arranged on the side of the connecting plate and a dovetail groove opened on the side of the connecting plate on the other side, the length direction of the dovetail groove is parallel to the length direction of the stabilizing rod to be tested, and the dovetail groove penetrates the connecting plate along the length direction of the connecting plate.

[0010] Optionally, an installation cavity is defined in the fixed base, an arc-shaped notch is defined on the fixed base and located on the bottom wall of the arc-shaped groove, the arc-shaped notch is connected to the installation cavity, the fixed steel wire enters the installation cavity through the arc-shaped notch, and moves toward the other side of the stabilizing bar to be tested to bundle and fix the stabilizing bar to be tested, the tightening member includes a winding shaft rotatably disposed in the installation cavity, the length direction and the rotation axis of the winding shaft are parallel to the length direction of the stabilizing bar to be tested, the end of the fixed steel wire located in the installation cavity is wound on the winding shaft, and the tightening member also includes a driving member for driving the winding shaft to rotate to bundle and fix the stabilizing bar to be tested.

[0011] Optionally, the driving member includes a dual-axis motor arranged in the installation cavity, the length direction of the dual-axis motor output shaft is parallel to the length direction of the direct projection of the arc notch on the bottom of the installation cavity, the dual-axis motor output shaft is close to the winding shaft, and the driving member also includes a bevel gear arranged on the dual-axis motor output shaft and the winding shaft, and the bevel gears on the dual-axis motor output shaft and the winding shaft are meshed with each other.

[0012] Optionally, there are multiple fixed steel wires on both sides of the stable rod to be tested, and the multiple fixed steel wires on the same side are parallel to each other when they are tensioned. There are multiple arc-shaped notches and the number is consistent with the number of fixed steel wires. The fixed steel wires on both sides of the stable rod to be tested are staggered and crimped onto the stable rod to be tested.

[0013] Optionally, the fixed base includes a fixed seat and a mounting seat, the fixed seat is set on the workbench, the mounting seat is rotatably set on the fixed seat, the rotation axis of the mounting seat is perpendicular to the workbench, the arc groove and the mounting cavity are both opened on the mounting seat, and the stabilizer bar fatigue test equipment also includes a fixing part, which is used to fix the mounting seat after the mounting seat drives the arc groove to rotate to the same installation angle as the stabilizer bar to be tested.

[0014] Optionally, the cross-section of the mounting seat is circular, and the fixing member includes a worm wheel sleeved on the mounting seat and a worm rotatably arranged on the fixing seat, and the worm and the worm wheel are meshed with each other.

[0015] Optionally, a clamping plate is slidably clamped on the mounting seat, and the clamping plate is used to close the opening of the arc groove after the stabilizing rod to be tested is placed in the arc groove.

[0016] Optionally, the arcuate surface of the connecting plate is provided with a rubber plate, and the contact surface of the fixing steel wire used for binding the stabilizer bar to be tested is sleeved with a rubber tube.

[0017] In summary, the present application includes at least one of the following beneficial technical effects:

[0018] Before the fatigue test of the stabilizer bar is performed, the stabilizer bar is placed on the fixed base, the stabilizer bar is placed in the arc groove, and then the connecting plates on both sides are fixedly connected by the connecting pieces. After the connecting plates on both sides are connected, they are crimped onto the stabilizer bar, and then the fixing steel wire is tightened by the tightening piece. When the fixing steel wire is tightened, the connecting plate is driven to be crimped onto the stabilizer bar, and the fixing steel wire is attached to the stabilizer bar and tied onto the stabilizer bar, so that the stabilizer bar is fixed on the fixed base and the rotation trend of the stabilizer bar during the test is limited. The operation is simple and convenient. Moreover, under the action of the fixing steel wire, it is easy to fix the stabilizer bars of different diameters, and there is no need to replace the fixing accessories. The operation is simple and convenient.

[0019] When the fixing wire is used to fix the stabilizer bar, the straight section or the curved end can be fixed, so it is convenient to fix different types of stabilizer bars. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of a stabilizer bar fatigue test device with a positioning function according to an embodiment of the present application;

[0021] Figure 2It is a structural schematic diagram of a fixed base and a stabilizing bar in a stabilizing bar fatigue testing device with a positioning function according to an embodiment of the present application;

[0022] Figure 3 It is a structural schematic diagram of a mounting seat in a stabilizer bar fatigue test device with a positioning function according to an embodiment of the present application;

[0023] Figure 4 It is a cross-sectional view of a mounting seat in a stabilizer bar fatigue test device with a positioning function according to an embodiment of the present application;

[0024] Figure 5 yes Figure 1 Enlarged schematic diagram of part A.

[0025] Description of the accompanying drawings: 1. workbench;

[0026] 2. Fixed base; 21. Fixed seat; 22. Mounting seat; 23. Worm gear; 24. Worm; 25. First motor;

[0027] 3. Stabilizing rod; 4. Arc groove; 5. Fixing wire; 6. Connecting plate;

[0028] 7. Connecting piece; 71. Dovetail block; 72. Dovetail groove;

[0029] 8. Tightening piece; 81. Reeling shaft; 82. Dual-axis motor; 83. Bevel gear;

[0030] 9. Installation cavity; 10. Arc-shaped notch; 11. Snap-on plate. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1 -Attached Figure 5 This application is described in further detail.

[0032] The present application embodiment discloses a stabilizer bar fatigue test device with a positioning function. Figure 1 , Figure 2 and Figure 3The stabilizing rod fatigue test equipment with positioning function comprises a workbench 1 and a fixed base 2 arranged on the workbench 1, the fixed base 2 is fixed to the fixed base 2 by bolts, the stabilizing rod 3 to be tested is placed on the fixed base 2, an arc groove 4 is opened on the fixed base 2, the stabilizing rod 3 to be tested is placed in the arc groove 4, the depth of the arc groove 4 is greater than the diameter of the stabilizing rod 3, a fixing steel wire 5 is arranged on the fixed base 2 and located in the arc groove 4, the fixing steel wire 5 is located on both sides of the stabilizing rod 3 to be tested, one end of the fixing steel wire 5 is located in the fixed base 2, and the other end is located outside the fixed base 2 and fixedly provided with a connecting plate 6, the connecting plate 6 is used to press the stabilizing rod 3 to be tested, the stabilizing rod fatigue test equipment also comprises a connecting piece 7, the connecting piece 7 is used to connect the two connecting plates 6 on both sides into a whole after the connecting plates 6 are close to each other and are pressed on the stabilizing rod 3 to be tested, a tightening piece 8 is also arranged in the fixed base 2, the tightening piece 8 is used to tighten the fixing steel wire 5 and fix the stabilizing rod 3 to be tested on the fixed base 2.

[0033] Before fatigue testing the stabilizer bar 3, the stabilizer bar 3 is placed on the fixed base 2, the stabilizer bar 3 is placed in the arc groove 4, and then the connecting plates 6 on both sides are connected by the connecting pieces 7. After the connecting plates 6 on both sides are connected, they are crimped onto the stabilizer bar 3, and then the fixing steel wire 5 is tightened by the tightening piece 8. When the fixing steel wire 5 is tightened, the connecting plate 6 is crimped onto the stabilizer bar 3, the fixing steel wire 5 is attached to the side of the stabilizer bar 3 and tied to the stabilizer bar 3, so that the stabilizer bar 3 is fixed to the fixed base 2, and the operation is simple and convenient; and under the action of the fixing steel wire 5, it is easy to fix the stabilizer bars 3 of different specifications, and there is no need to replace the fixing accessories, and the operation is simple and convenient.

[0034] Reference Figure 3 and Figure 4 In order to improve the fixing effect of the connecting plate 6 on the stabilizing bar 3, the surface of the connecting plate 6 facing the stabilizing bar 3 to be tested is arc-shaped. After the connecting plates 6 on both sides are connected as a whole by the connecting piece 7, the two connecting plates 6 are both supported on the top of the stabilizing bar 3 to be tested and fit on the stabilizing bar 3 to be tested; when the connecting plate 6 fixes the stabilizing bar 3, the arc-shaped surface of the connecting plate 6 fits on the stabilizing bar 3, which increases the contact area between the connecting plate 6 and the stabilizing bar 3, thereby increasing the fixing effect of the connecting plate 6 on the stabilizing bar 3.

[0035] Reference Figure 3 and Figure 4 In the embodiment of the present application, the connecting member 7 includes a dovetail block 71 arranged on the side of the connecting plate 6 and a dovetail groove 72 opened on the side of the connecting plate 6 on the other side. The length direction of the dovetail groove 72 is parallel to the length direction of the stabilizer bar 3 to be tested, and the dovetail groove 72 penetrates the connecting plate 6 along the length direction of the connecting plate 6; when the connecting plates 6 on both sides are connected, the dovetail block 71 is inserted into the dovetail groove 72 from the side, so that the connecting plates 6 on both sides are connected as a whole, the operation is simple and convenient, and the fixing effect is good.

[0036] Reference Figure 3 and Figure 4 In the embodiment of the present application, a mounting cavity 9 is provided in the fixed base 2, an arc-shaped notch 10 is provided on the fixed base 2 and located at the bottom wall of the arc-shaped groove 4, the stabilizing rod 3 is located in the middle of the arc-shaped notch 10, and the arc-shaped notch 10 is connected with the mounting cavity 9, the fixing steel wire 5 enters the mounting cavity 9 through the arc-shaped notch 10, and moves toward the other side of the stabilizing rod 3 to be tested to bundle and fix the stabilizing rod 3 to be tested, the tightening member 8 includes a winding shaft 81 rotatably arranged in the mounting cavity 9, the length direction and the rotation axis of the winding shaft 81 are parallel to the length direction of the stabilizing rod 3 to be tested, the end of the fixing steel wire 5 located in the mounting cavity 9 is wound on the winding shaft 81, and the tightening member 8 also includes a driving member for driving the winding shaft 81 to rotate to bundle and fix the stabilizing rod 3 to be tested;

[0037] Reference Figure 3 and Figure 4 The driving member includes a double-axis motor 82 arranged in the installation cavity 9, the length direction of the output shaft of the double-axis motor 82 is parallel to the length direction of the positive projection of the arc notch 10 on the bottom of the installation cavity, the output shaft of the double-axis motor 82 is close to the winding shaft 81, and the driving member also includes a bevel gear 83 arranged on the output shaft of the double-axis motor 82 and the winding shaft 81, and the output shaft of the double-axis motor 82 and the bevel gear 83 on the winding shaft 81 are meshed with each other.

[0038] The stabilizing bar 3 is placed in the arc groove 4. After the connecting plates 6 on both sides are connected, the double-axis motor 82 is started. The double-axis motor 82 drives the bevel gear 83 to rotate. The rotation of the bevel gear 83 drives the winding shaft 81 to rotate. The winding shaft 81 rotates to wind up the fixed steel wire 5. When the fixed steel wire 5 is wound, it gradually moves toward the stabilizing bar 3 and is wound around the stabilizing bar 3, thereby fixing the stabilizing bar 3 on the fixed base 2. The operation is simple and convenient; and the fixed steel wire 5 enters the installation cavity 9 and is located on the other side, thereby increasing the contact area between the fixed steel wire 5 and the stabilizing bar 3, and improving the fixing effect of the fixed steel wire 5 on the stabilizing bar 3.

[0039] Reference Figure 3 and Figure 4 In order to further improve the fixing effect of the fixing steel wire 5 on the stabilizing bar 3, multiple fixing steel wires 5 are provided on both sides of the stabilizing bar 3 to be tested. The multiple fixing steel wires 5 on the same side are parallel to each other when they are tightened. There are multiple arc-shaped notches 10 and the number is consistent with the fixing steel wires 5. The fixing steel wires 5 on both sides of the stabilizing bar 3 to be tested are staggered and crimped on the stabilizing bar 3 to be tested; multiple fixing steel wires 5 are fixed to the stabilizing bar 3 in parallel, thereby improving the fixing effect of the fixing steel wires 5 on the stabilizing bar 3; and the fixing steel wires 5 on both sides are staggered, further improving the fixing effect of the fixing steel wires 5 on the stabilizing bar 3.

[0040] Reference Figure 1 and Figure 5 , when the fixed base 2 is used to fix the corner and arc section of the stabilizer bar 3 for testing, it is necessary to adjust the angle of the arc groove 4 so that the axial direction of the arc groove 4 is adapted to the axial direction of the stabilizer bar 3. Therefore, in the embodiment of the present application, the fixed base 2 includes a fixed seat 21 and a mounting seat 22, the fixed seat 21 is fixedly arranged on the workbench 1, the mounting seat 22 is rotatably arranged on the fixed seat 21, the rotation axis of the mounting seat 22 is perpendicular to the workbench 1, the arc groove 4 and the mounting cavity 9 are both provided on the mounting seat 22, and the stabilizer bar fatigue test equipment also includes a fixing member, which is used to fix the mounting seat 22 after the mounting seat 22 drives the arc groove 4 to rotate to the same installation angle as the stabilizer bar 3 to be tested;

[0041] Reference Figure 1 and Figure 5 The cross section of the mounting seat 22 is circular, and the fixing part includes a worm wheel 23 sleeved on the mounting seat 22 and a worm 24 rotatably set on the fixing seat 21. The fixing seat 21 is fixed to the workbench 1 by bolts. Furthermore, a first motor 25 is fixedly set on the fixing seat 21, and the worm 24 is coaxially set on the output shaft of the first motor 25. The worm 24 and the worm wheel 23 are meshed with each other.

[0042] When adjusting the axial direction of the arc groove 4, the worm 24 is rotated, and the rotation of the worm 24 drives the worm wheel 23 to rotate, and the rotation of the worm wheel 23 drives the mounting seat 22 to rotate. The mounting seat 22 rotates to adjust the axial direction of the arc groove 4. The operation is simple and convenient; and under the self-locking performance of the worm wheel 23 and the worm 24, it is convenient to fix the mounting seat 22 at the desired angle.

[0043] Reference Figure 1 and Figure 5 In the embodiment of the present application, a snap-in plate 11 is slidably snap-connected on the mounting seat 22. The snap-in plate 11 is used to close the opening of the arc groove 4 after the stabilizer bar 3 to be tested is placed in the arc groove 4. After the stabilizer bar 3 is tied and locked with the fixed steel wire 5, the snap-in plate 11 is snap-connected to the mounting seat 22 to close the opening of the arc groove 4, thereby reducing the possibility of the fixed steel wire 5 accidentally breaking and bursting out of the arc groove 4, and improving the test safety.

[0044] In order to further improve the fixing effect of the stabilizer bar 3, a rubber plate is provided on the arcuate surface of the connecting plate 6, and a rubber tube is provided on the contact surface of the fixing steel wire 5 used for binding the stabilizer bar 3 to be tested; under the action of the rubber plate and the rubber tube, the friction between the connecting plate 6, the fixing steel wire 5 and the stabilizer bar 3 is increased, thereby improving the fixing effect of the stabilizer bar 3.

[0045] The implementation principle of a stabilizer bar fatigue test device with a positioning function in the embodiment of the present application is as follows:

[0046] Before fatigue testing the stabilizer bar 3, the stabilizer bar 3 is placed on the fixed base 2, the stabilizer bar 3 is placed in the arc groove 4, and then the connecting plates 6 on both sides are connected, and the dovetail block 71 is inserted into the dovetail groove 72 from the side, so that the connecting plates 6 on both sides are connected as a whole. After the connecting plates 6 on both sides are connected, they are crimped onto the stabilizer bar 3, and then the dual-axis motor 82 is started, and the dual-axis motor 82 drives the bevel gear 83 to rotate, and the rotation of the bevel gear 83 drives the winding shaft 81 to rotate, and the winding shaft 81 rotates to wind up the fixed steel wire 5. When the fixed steel wire 5 is wound, it gradually moves toward the stabilizer bar 3 and is wound around the stabilizer bar 3, and then the stabilizer bar 3 is fixed on the fixed base 2. After the fixed steel wire 5 is tied and locked to the stabilizer bar 3, the clamping plate 11 is clamped on the mounting seat 22, and the opening of the arc groove 4 is closed.

[0047] When it is necessary to adjust the axial direction of the arc groove 4, in order to adapt to different types of stabilizer bars 3, the worm 24 is rotated, the worm 24 rotates to drive the worm wheel 23 to rotate, the worm wheel 23 rotates to drive the mounting seat 22 to rotate, and the mounting seat 22 rotates to adjust the axial direction of the arc groove 4. The operation is simple and convenient; and under the self-locking performance of the worm wheel 23 and the worm 24, it is convenient to fix the mounting seat 22 at the desired angle.

[0048] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A stabilizer bar fatigue test equipment with positioning function, characterized in that: The invention comprises a workbench (1) and a fixed base (2) arranged on the workbench (1); a stabilizing rod (3) to be tested is placed on the fixed base (2); an arc groove (4) is provided on the fixed base (2); the stabilizing rod (3) to be tested is placed in the arc groove (4); a fixing steel wire (5) is provided on the fixed base (2) and in the arc groove (4); the fixing steel wire (5) is located on both sides of the stabilizing rod (3) to be tested; one end of the fixing steel wire (5) is located in the fixed base (2); the other end is located outside the fixed base (2) and is fixedly provided with a connecting plate (6); the connecting plate (6) is used for pressing the stabilizing rod (3) to be tested; the stabilizing rod fatigue test equipment also comprises a connecting piece (7); the connecting piece (7) is used for connecting the connecting plates (6) on both sides to form a whole and press-fitting the connecting plates (6) onto the stabilizing rod (3) to be tested after the connecting plates (6) are close to each other; a tightening piece (8) is also provided in the fixed base (2); the tightening piece ( 8) is used to tighten the fixing wire (5) and fix the stabilizing rod (3) to be tested on the fixing base (2); a mounting cavity (9) is provided in the fixing base (2); an arc-shaped notch (10) is provided on the fixing base (2) and is located on the bottom wall of the arc-shaped groove (4); the arc-shaped notch (10) is communicated with the mounting cavity (9); the fixing wire (5) enters the mounting cavity (9) through the arc-shaped notch (10) and moves toward the other side of the stabilizing rod (3) to be tested. The test stabilizing rod (3) is bundled and fixed, the tightening member (8) comprises a reel (81) rotatably arranged in the installation cavity (9), the length direction and the rotation axis of the reel (81) are parallel to the length direction of the stabilizing rod (3) to be tested, the end of the fixing steel wire (5) located in the installation cavity (9) is reeled on the reel (81), and the tightening member (8) further comprises a driving member for driving the reel (81) to rotate so as to bundle and fix the stabilizing rod (3) to be tested.

2. The stabilizer bar fatigue test equipment with positioning function according to claim 1, characterized in that: The surface of the connecting plate (6) facing the stabilizing rod (3) to be tested is arc-shaped. After the connecting plates (6) on both sides are connected as a whole via a connecting piece (7), the two connecting plates (6) are both supported on the top of the stabilizing rod (3) to be tested and fit on the stabilizing rod (3) to be tested.

3. The stabilizer bar fatigue test equipment with positioning function according to claim 1, characterized in that: The connecting member (7) comprises a dovetail block (71) arranged on a side of the connecting plate (6) and a dovetail groove (72) opened on the side of the connecting plate (6) on the other side, the length direction of the dovetail groove (72) is parallel to the length direction of the stabilizing rod (3) to be tested, and the dovetail groove (72) penetrates the connecting plate (6) along the length direction of the connecting plate (6).

4. The stabilizer bar fatigue test equipment with positioning function according to claim 1, characterized in that: The driving member comprises a double-axis motor (82) arranged in the installation cavity (9), the length direction of the output shaft of the double-axis motor (82) is parallel to the length direction of the positive projection of the arc-shaped notch (10) on the bottom of the installation cavity (9), the output shaft of the double-axis motor (82) is close to the winding shaft (81), and the driving member further comprises a bevel gear (83) arranged on the output shaft of the double-axis motor (82) and the winding shaft (81), and the output shaft of the double-axis motor (82) and the bevel gear (83) on the winding shaft (81) are meshed with each other.

5. The stabilizer bar fatigue test equipment with positioning function according to claim 1, characterized in that: A plurality of the fixing steel wires (5) are provided on both sides of the stabilizing rod (3) to be tested. The plurality of fixing steel wires (5) on the same side are parallel to each other when being tensioned. A plurality of arc-shaped notches (10) are provided and the number is the same as the number of the fixing steel wires (5). The fixing steel wires (5) on both sides of the stabilizing rod (3) to be tested are staggered and crimped onto the stabilizing rod (3) to be tested.

6. The stabilizer bar fatigue test equipment with positioning function according to claim 1, characterized in that: The fixed base (2) comprises a fixed seat (21) and a mounting seat (22), wherein the fixed seat (21) is arranged on the workbench (1), and the mounting seat (22) is rotatably arranged on the fixed seat (21), wherein the rotation axis of the mounting seat (22) is perpendicular to the workbench (1), and the arc groove (4) and the mounting cavity (9) are both provided on the mounting seat (22). The stabilizer bar fatigue test equipment further comprises a fixing member, wherein the fixing member is used to fix the mounting seat (22) after the mounting seat (22) drives the arc groove (4) to rotate to a mounting angle consistent with that of the stabilizer bar (3) to be tested.

7. The stabilizer bar fatigue test equipment with positioning function according to claim 6, characterized in that: The cross section of the mounting seat (22) is circular, and the fixing member comprises a worm wheel (23) sleeved on the mounting seat (22) and a worm (24) rotatably arranged on the fixing seat (21), wherein the worm (24) and the worm wheel (23) are meshed with each other.

8. The stabilizer bar fatigue test equipment with positioning function according to claim 6, characterized in that: A clamping plate (11) is slidably clamped on the mounting seat (22), and the clamping plate (11) is used to close the opening of the arc-shaped groove (4) after the stabilizing rod (3) to be tested is placed in the arc-shaped groove (4).

9. The stabilizer bar fatigue test equipment with positioning function according to claim 2, characterized in that: The arc-shaped surface of the connecting plate (6) is provided with a rubber plate, and the contact surface of the fixing steel wire (5) used for binding the stabilizing rod (3) to be tested is sleeved with a rubber tube.

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