Axle performance detection equipment

Abstract

The invention discloses axle performance detection equipment, and relates to the technical field of axle detection, the axle performance detection equipment comprises an installation fixing table, the bottom of the installation fixing table is provided with a supporting fixing mechanism, the installation fixing table is fixedly connected with a limiting sliding rod mechanism, and the limiting sliding rod mechanism is provided with a deflection pressing rod mechanism and a telescopic detection mechanism. The limiting sliding rod mechanism is provided with two displacement adjusting mechanisms, the displacement adjusting mechanisms are connected with the edge clamping mechanism, the deflection pressing rod mechanism is connected with the positioning pressing rod mechanism, the positioning pressing rod mechanism is connected with the synchronous placing mechanism, the synchronous placing mechanism is connected with the edge clamping mechanism, and the synchronous placing mechanism is provided with two middle pressing mechanisms. According to the vehicle axle detection device, the supporting and fixing mechanism is arranged to position and fix the mounting and fixing table, the edge clamping mechanism and the middle pressing mechanism are used to clamp and fix the vehicle axle main body, and the telescopic detection mechanism is used to adjust the state of the deflection pressing rod mechanism. And the efficiency of axle performance detection is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of axle detection, and specifically relates to a device for detecting the performance of an axle. Background Art

[0002] An axle is a key component of an automobile chassis, connected to the vehicle frame through a suspension, and wheels are installed at both ends.

[0003] In the prior art, it is usually only possible to perform static detection on the axle. However, in the prior art, the axle cannot be adaptively adjusted, and at the same time, dynamic detection of the axle cannot be performed. Therefore, there is a large room for improvement in the prior art. Summary of the Invention

[0004] The present invention provides a device for detecting the performance of an axle, which solves the problems raised in the above background art.

[0005] To achieve the above object, the present invention provides the following technical solution: A device for detecting the performance of an axle includes an installation and fixing platform. A support and fixing mechanism is provided at the bottom of the installation and fixing platform. The installation and fixing platform is fixedly connected to a limit sliding rod mechanism. A deflection pressing rod mechanism and a telescopic detection mechanism are provided on the limit sliding rod mechanism. Two displacement adjustment mechanisms are provided on the limit sliding rod mechanism. The displacement adjustment mechanism is connected to a side clamping mechanism. The deflection pressing rod mechanism is connected to a positioning pressing rod mechanism. The positioning pressing rod mechanism is connected to a synchronous placement mechanism. The synchronous placement mechanism and the side clamping mechanism are connected. Two middle pressing mechanisms are provided on the synchronous placement mechanism. A detection pressing platform is provided on the installation and fixing platform, and a pressure sensor is provided on the detection pressing platform. The support and fixing mechanism is used to fix the installation and fixing platform. The telescopic detection mechanism is used to adjust the state of the deflection pressing rod mechanism. The displacement adjustment mechanism is used to adjust the state of the axle. The side clamping mechanism is used to clamp and fix the side of the axle. The middle pressing mechanism is used to clamp and fix the side of the axle.

[0006] As a preferred technical solution of the present invention, the support and fixing mechanism includes a bottom support rod fixed to the installation and fixing platform. The bottom support rod is fixedly connected to a fixed bottom rod. An installation groove is provided on the fixed bottom rod, and a floor bolt is provided on the installation groove.

[0007] As a preferred technical solution of the present invention, the limit sliding rod mechanism includes a sliding rod fixed to the installation and fixing platform. There are two sliding rods. One end of the sliding rod far from the installation and fixing platform is fixedly connected to a sliding rod fixing plate.

[0008] As a preferred technical solution of the present invention, the deflection lever mechanism includes a first deflection seat fixed on the slide rod fixing plate. The first deflection seat is rotatably connected to a deflection rod. A deflection chute is provided on the deflection rod. A deflection press block is provided on the deflection chute. The deflection press block is slidably connected to the deflection rod. The deflection press block is rotatably connected to a first rotating shaft. The first rotating shaft is fixedly connected to a shaft rod. The shaft rod is fixedly connected to a second rotating shaft.

[0009] As a preferred technical solution of the present invention, the telescopic detection mechanism includes a position adjustment seat fixed on the deflection rod. An adjustment motor is provided on the position adjustment seat. The output shaft of the adjustment motor is fixedly connected to a first threaded rod. The first threaded rod is rotatably connected to the position adjustment seat. The first threaded rod is threadedly connected to a support adjustment block. The support adjustment block is slidably connected to the position adjustment seat. The support adjustment block is fixedly connected to a second deflection seat. The second deflection seat is rotatably connected to a hydraulic telescopic rod. One end of the hydraulic telescopic rod away from the second deflection seat is rotatably connected to a third deflection seat. The third deflection seat is fixedly connected to the slide rod fixing plate.

[0010] As a preferred technical solution of the present invention, the position change adjustment mechanism includes a lifting circular block slidably connected to the slide rod. The lifting circular block is rotatably connected to a third rotating shaft. The third rotating shaft is fixedly connected to an adjustment frame. A position change motor is provided on the adjustment frame. The output shaft of the position change motor is fixedly connected to a worm. The worm is rotatably connected to the adjustment frame. A plurality of clamping blocks are provided on the side of the lifting circular block. The clamping blocks are engaged with the worm. The third rotating shaft is fixedly connected to a rotating rod. A moving motor is provided inside the rotating rod. The output shaft of the moving motor is fixedly connected to a second threaded rod. The second threaded rod is rotatably connected to the rotating rod. The second threaded rod is threadedly connected to a moving block. The moving block is slidably connected to the rotating rod. The moving block is fixedly connected to a hinge seat. The hinge seat is hinged to a hinge rod. A torsion sensor is provided on the hinge rod.

[0011] As a preferred technical solution of the present invention, the edge clamping mechanism includes an edge fixing frame fixedly connected to the hinge rod. The edge fixing frame is threadedly connected to two third threaded rods. The two third threaded rods are symmetrically arranged on the edge fixing frame. The third threaded rod is fixedly connected to a first rotating handle. The third threaded rod is rotatably connected to an edge clamping plate. The edge clamping plate is slidably connected to the edge fixing frame.

[0012] As a preferred technical solution of the present invention, the positioning lever mechanism includes a lever rotatably connected to the second rotating shaft. The lever passes through the slide rod fixing plate. The lever is slidably connected to the slide rod fixing plate. A pressing frame is fixedly connected to the bottom of the lever.

[0013] As a preferred technical solution of the present invention, the synchronous placing mechanism includes a placing frame fixedly connected to the pressing frame. A synchronous motor is provided at the bottom of the placing frame. The output shaft of the synchronous motor is fixedly connected to a synchronous gear. The synchronous gear is rotatably connected to the placing frame. The synchronous gear meshes with two synchronous racks. The synchronous racks are fixedly connected to a synchronous frame. The synchronous frame is slidably connected to the placing frame.

[0014] As a preferred technical solution of the present invention, the middle pressing mechanism includes a middle fixing frame fixed on the placing rack. The middle fixing frame is threadedly connected to a fourth threaded rod. One end of the fourth threaded rod located outside the middle fixing frame is fixedly connected to a second rotating handle. One end of the fourth threaded rod away from the second rotating handle is rotatably connected to a middle pressing plate, and the middle pressing plate is slidably connected to the middle fixing frame.

[0015] The present invention has the following beneficial effects: By providing a support fixing mechanism, the installation fixing table can be positioned and fixed. By means of a side clamping mechanism and a middle pressing mechanism, the axle body can be clamped and fixed. By means of a telescopic detection mechanism, the state of the deflection pressing rod mechanism can be adjusted, and in cooperation with a positioning pressing rod mechanism, the downward speed of the axle can be controlled. By means of a synchronous placing mechanism, when the axle is in a deflected placement state, the stable and centered placement of the axle can be ensured, improving the efficiency of axle performance detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 It is a structural schematic diagram of a first perspective of an axle performance detection device.

[0018] Figure 2 It is a structural schematic diagram of a second perspective of an axle performance detection device.

[0019] Figure 3 It is Figure 2 an enlarged view of area A in

[0020] Figure 4 It is a structural schematic diagram of a third perspective of an axle performance detection device.

[0021] Figure 5 It is a structural schematic diagram of a fourth perspective of an axle performance detection device.

[0022] Figure 6 It is Figure 5 an enlarged view of area B in

[0023] In the figure: 1. Installation and fixing table; 2. Support and fixing mechanism; 201. Bottom support rod; 202. Fixed bottom rod; 203. Installation groove; 204. Anchor bolt; 3. Limit sliding rod mechanism; 301. Sliding rod; 302. Sliding rod fixing plate; 4. Deflection pressing rod mechanism; 401. First deflection seat; 402. Deflection rod; 403. Deflection chute; 404. Deflection pressing block; 405. First rotating shaft; 406. Rotating shaft rod; 407. Second rotating shaft; 5. Telescopic detection mechanism; 501. Position adjustment seat; 502. Adjusting motor; 503. First threaded rod; 504. Support adjustment block; 505. Second deflection seat; 506. Hydraulic telescopic rod; 507. Third deflection seat; 6. Displacement adjustment mechanism; 601. Lifting round block; 602. Third rotating shaft; 603. Adjusting frame; 604. Displacement motor; 605. Worm; 606. Clamping block; 607. Rotating rod; 608. Moving motor; 609. Second threaded rod; 610. Moving block; 611. Hinge seat; 612. Hinge rod; 7. Edge clamping mechanism; 701. Edge fixing frame; 702. Third threaded rod; 703. First rotating handle; 704. Edge clamping plate; 8. Positioning pressing rod mechanism; 801. Pressing rod; 802. Pressing frame; 9. Synchronous placement mechanism; 901. Placement frame; 902. Synchronous motor; 903. Synchronous gear; 904. Synchronous rack; 905. Synchronous frame; 10. Middle pressing mechanism; 1001. Middle fixing frame; 1002. Fourth threaded rod; 1003. Second rotating handle; 1004. Middle pressing plate; 11. Detection pressing table. Detailed implementation manners

[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0025] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Example 1, please refer to Figures 1 - 6 , an axle performance detection device, including an installation and fixing platform 1, a support and fixing mechanism 2 is provided at the bottom of the installation and fixing platform 1, the installation and fixing platform 1 is fixedly connected to a limit slide bar mechanism 3, a deflection pressure bar mechanism 4 and a telescopic detection mechanism 5 are provided on the limit slide bar mechanism 3, two displacement adjustment mechanisms 6 are provided on the limit slide bar mechanism 3, the displacement adjustment mechanism 6 is connected to an edge clamping mechanism 7, the deflection pressure bar mechanism 4 is connected to a positioning pressure bar mechanism 8, the positioning pressure bar mechanism 8 is connected to a synchronous placement mechanism 9, the synchronous placement mechanism 9 and the edge clamping mechanism 7 are connected, two middle pressing mechanisms 10 are provided on the synchronous placement mechanism 9, a detection pressure platform 11 is provided on the installation and fixing platform 1, and a pressure sensor is provided on the detection pressure platform 11; the support and fixing mechanism 2 is used to fix the installation and fixing platform 1, the telescopic detection mechanism 5 is used to adjust the state of the deflection pressure bar mechanism 4, the displacement adjustment mechanism 6 is used to adjust the state of the axle, the edge clamping mechanism 7 is used to clamp and fix the edge of the axle, and the middle pressing mechanism 10 is used to clamp and fix the edge of the axle.

[0028] The limit slide bar mechanism 3 includes slide bars 301 fixed to the installation and fixing platform 1, there are two slide bars 301, and the end of the slide bar 301 away from the installation and fixing platform 1 is fixedly connected to a slide bar fixing plate 302.

[0029] The deflection pressure rod mechanism 4 includes a first deflection seat 401 fixed to the slide rod fixing plate 302. The first deflection seat 401 is rotatably connected to a deflection rod 402. A deflection chute 403 is provided on the deflection rod 402. A deflection pressure block 404 is provided on the deflection chute 403. The deflection pressure block 404 is slidably connected to the deflection rod 402. The deflection pressure block 404 is rotatably connected to a first rotating shaft 405. The first rotating shaft 405 is fixedly connected to a rotating shaft rod 406. The rotating shaft rod 406 is fixedly connected to a second rotating shaft 407. The telescopic detection mechanism 5 includes a position adjustment seat 501 fixed to the deflection rod 402. An adjustment motor 502 is provided on the position adjustment seat 501. The output shaft of the adjustment motor 502 is fixedly connected to a first threaded rod 503. The first threaded rod 503 is rotatably connected to the position adjustment seat 501. The first threaded rod 503 is threadedly connected to a support adjustment block 504. The support adjustment block 504 is slidably connected to the position adjustment seat 501. The support adjustment block 504 is fixedly connected to a second deflection seat 505. The second deflection seat 505 is rotatably connected to a hydraulic telescopic rod 506. One end of the hydraulic telescopic rod 506 away from the second deflection seat 505 is rotatably connected to a third deflection seat 507. The third deflection seat 507 is fixedly connected to the slide rod fixing plate 302. The positioning pressure rod mechanism 8 includes a pressure rod 801 rotatably connected to the second rotating shaft 407. The pressure rod 801 passes through the slide rod fixing plate 302. The pressure rod 801 is slidably connected to the slide rod fixing plate 302. The bottom of the pressure rod 801 is fixedly connected to a pressure frame 802.

[0030] Specifically, turning on the adjustment motor 502 can drive the first threaded rod 503 to rotate, thereby driving the support adjustment block 504 to move, so as to control the position of the second deflection seat 505, and thus the end state of the hydraulic telescopic rod 506. At this time, turning on the hydraulic telescopic rod 506 can drive the deflection rod 402 to rotate around the first deflection seat 401, thereby pressing the deflection pressure block 404, and then driving the first rotating shaft 405, the rotating shaft rod 406 and the second rotating shaft 407, and further driving the pressure rod 801 and the pressure frame 802 to descend, so as to drive the axle to descend.

[0031] The displacement adjustment mechanism 6 includes a lifting circular block 601 slidably connected to a sliding rod 301. The lifting circular block 601 is rotatably connected to a third rotating shaft 602. The third rotating shaft 602 is fixedly connected to an adjustment frame 603. A displacement motor 604 is provided on the adjustment frame 603. The output shaft of the displacement motor 604 is fixedly connected to a worm 605. The worm 605 is rotatably connected to the adjustment frame 603. A plurality of clamping blocks 606 are provided on the side of the lifting circular block 601. The clamping blocks 606 are engaged with the worm 605. The third rotating shaft 602 is fixedly connected to a rotating rod 607. A moving motor 608 is provided inside the rotating rod 607. The output shaft of the moving motor 608 is fixedly connected to a second threaded rod 609. The second threaded rod 609 is rotatably connected to the rotating rod 607. The second threaded rod 609 is threadedly connected to a moving block 610. The moving block 610 is slidably connected to the rotating rod 607. The moving block 610 is fixedly connected to a hinge seat 611. The hinge seat 611 is hinged to a hinge rod 612. A torsion sensor is provided on the hinge rod 612.

[0032] Specifically, turning on the displacement motor 604 can drive the worm 605 to rotate. Since the clamping blocks 606 are engaged with the worm 605, the third rotating shaft 602 can be driven to rotate, and then the rotating rod 607 can be driven to rotate. Turning on the moving motor 608 can drive the second threaded rod 609 to rotate, and then drive the moving block 610 to move, so as to drive the hinge seat 611 and the hinge rod 612 to move, and control the eccentric state of the hinge rod 612.

[0033] The edge clamping mechanism 7 includes an edge fixing frame 701 fixedly connected to the hinge rod 612. The edge fixing frame 701 is threadedly connected to third threaded rods 702. There are two third threaded rods 702, and the two third threaded rods 702 are symmetrically arranged on the edge fixing frame 701. The third threaded rods 702 are fixedly connected to first rotating handles 703. The third threaded rods 702 are rotatably connected to edge clamping plates 704. The edge clamping plates 704 are slidably connected to the edge fixing frame 701.

[0034] Specifically, turning the first rotating handle 703 can drive the third threaded rod 702 to rotate, and then drive the edge clamping plate 704 to feed, so as to fix the wheels on the axle.

[0035] The synchronous placement mechanism 9 includes a placement frame 901 fixedly connected to the pressing frame 802. A synchronous motor 902 is provided at the bottom of the placement frame 901. The output shaft of the synchronous motor 902 is fixedly connected to a synchronous gear 903. The synchronous gear 903 is rotatably connected to the placement frame 901. The synchronous gear 903 meshes with two synchronous racks 904. The synchronous racks 904 are fixedly connected to a synchronous frame 905. The synchronous frame 905 is slidably connected to the placement frame 901.

[0036] Specifically, starting the synchronous motor 902 can drive the synchronous gear 903 to rotate, thereby driving the synchronous rack 904 to displace, and further driving the synchronous frame 905 to displace.

[0037] The middle pressing mechanism 10 includes a middle fixing frame 1001 fixed to the placement frame 901. The middle fixing frame 1001 is threadedly connected to a fourth threaded rod 1002. One end of the fourth threaded rod 1002 located outside the middle fixing frame 1001 is fixedly connected to a second rotating handle 1003. The end of the fourth threaded rod 1002 away from the second rotating handle 1003 is rotatably connected to a middle pressing plate 1004, and the middle pressing plate 1004 is slidably connected to the middle fixing frame 1001.

[0038] Specifically, rotating the second rotating handle 1003 can drive the fourth threaded rod 1002 to rotate, thereby driving the middle pressing plate 1004 to feed, so as to tightly fix the middle part of the axle.

[0039] Embodiment 2, continue to refer to Figure 1 、 Figure 2 、 Figure 4 and Figure 5 In the embodiment of the present invention, the support and fixing mechanism 2 includes a bottom support rod 201 fixed to the installation and fixing table 1. The bottom support rod 201 is fixedly connected to a fixed bottom rod 202. An installation groove 203 is provided on the fixed bottom rod 202, and a floor bolt 204 is provided on the installation groove 203.

[0040] Specifically, the floor bolt 204 is passed through the installation groove 203, and then the floor bolt 204 is drilled into the ground to fix the installation and fixing table 1.

[0041] During the implementation of the present invention, first, the installation and fixing table 1 is fixed at a specified position through the support and fixing mechanism 2. At this time, the axle with wheels installed is placed on the synchronous placement mechanism 9. Then, the middle part of the axle is fixed through the middle pressing mechanism 10. At this time, the state of the axle is adjusted through the displacement adjustment mechanism 6. By synchronously adjusting the state of the synchronous placement mechanism 9, and then according to the actual situation, it is selected whether to clamp the wheels on the axle. At this time, starting the telescopic detection mechanism 5 can drive the deflection pressing rod mechanism 4 to displace, and further press the positioning pressing rod mechanism 8. The positioning pressing rod mechanism 8 can drive the synchronous placement mechanism 9 to move downward, and further drive the axle to move downward until the axle contacts the detection pressing table 11, so as to detect the stress state of the axle.

[0042] The present invention can position and fix the installation and fixing platform 1 by setting the support and fixing mechanism 2, can clamp and fix the axle body by the edge clamping mechanism 7 and the middle pressing mechanism 10, can adjust the state of the deflection lever mechanism 4 by the telescopic detection mechanism 5, and cooperate with the positioning lever mechanism 8 to further control the downward speed of the axle. The synchronous placement mechanism 9 can ensure the stable and centered placement of the axle when the axle is in a deflected placement state, improving the efficiency of axle performance detection.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features. These modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A vehicle axle performance detection device, including an installation and fixing platform, characterized in that, A support and fixing mechanism is provided at the bottom of the installation and fixing table. The installation and fixing table is fixedly connected to a limit slide bar mechanism. A deflection pressure bar mechanism and a telescopic detection mechanism are provided on the limit slide bar mechanism. Two displacement adjustment mechanisms are provided on the limit slide bar mechanism. The displacement adjustment mechanism is connected to an edge clamping mechanism. The deflection pressure bar mechanism is connected to a positioning pressure bar mechanism. The positioning pressure bar mechanism is connected to a synchronous placement mechanism. The synchronous placement mechanism and the edge clamping mechanism are connected. Two middle pressing mechanisms are provided on the synchronous placement mechanism. A detection pressure table is provided on the installation and fixing table, and a pressure sensor is provided on the detection pressure table. The support and fixing mechanism is used to fix the installation and fixing table. The telescopic detection mechanism is used to adjust the state of the deflection pressure bar mechanism. The displacement adjustment mechanism is used to adjust the state of the axle. The edge clamping mechanism is used to clamp and fix the edge of the axle. The middle pressing mechanism is used to clamp and fix the edge of the axle.

2. The axle performance detection device according to claim 1, characterized in that, The support and fixing mechanism includes a bottom support rod fixed to the installation and fixing table. The bottom support rod is fixedly connected to a fixed bottom rod. An installation groove is provided on the fixed bottom rod, and a floor bolt is provided on the installation groove.

3. The axle performance detection device according to claim 1, characterized in that, The limit slide bar mechanism includes slide bars fixed to the installation and fixing table. There are two slide bars. One end of the slide bar far from the installation and fixing table is fixedly connected to a slide bar fixing plate.

4. The axle performance detection device according to claim 3, characterized in that, The deflection pressure bar mechanism includes a first deflection seat fixed to the slide bar fixing plate. The first deflection seat is rotatably connected to a deflection bar. A deflection chute is provided on the deflection bar. A deflection pressure block is provided on the deflection chute. The deflection pressure block is slidably connected to the deflection bar. The deflection pressure block is rotatably connected to a first rotating shaft. The first rotating shaft is fixedly connected to a rotating shaft rod. The rotating shaft rod is fixedly connected to a second rotating shaft.

5. The axle performance detection device according to claim 4, characterized in that, The telescopic detection mechanism includes a position adjustment seat fixed to the deflection bar. An adjustment motor is provided on the position adjustment seat. The output shaft of the adjustment motor is fixedly connected to a first threaded rod. The first threaded rod is rotatably connected to the position adjustment seat. The first threaded rod is threadedly connected to a support adjustment block. The support adjustment block is slidably connected to the position adjustment seat. The support adjustment block is fixedly connected to a second deflection seat. The second deflection seat is rotatably connected to a hydraulic telescopic rod. One end of the hydraulic telescopic rod far from the second deflection seat is rotatably connected to a third deflection seat. The third deflection seat is fixedly connected to the slide bar fixing plate.

6. The axle performance detection device according to claim 5, characterized in that, The displacement adjustment mechanism includes a lifting round block slidably connected to the slide bar. The lifting round block is rotatably connected to a third rotating shaft. The third rotating shaft is fixedly connected to an adjustment frame. A displacement motor is provided on the adjustment frame. The output shaft of the displacement motor is fixedly connected to a worm. The worm is rotatably connected to the adjustment frame. A number of clamping blocks are provided on the side of the lifting round block. The clamping blocks are engaged with the worm. The third rotating shaft is fixedly connected to a rotating rod. A moving motor is provided inside the rotating rod. The output shaft of the moving motor is fixedly connected to a second threaded rod. The second threaded rod is rotatably connected to the rotating rod. The second threaded rod is threadedly connected to a moving block. The moving block is slidably connected to the rotating rod. The moving block is fixedly connected to a hinge seat. The hinge seat is hinged to a hinge rod. A torsion sensor is provided on the hinge rod.

7. The axle performance detection device according to claim 6, wherein, The edge clamping mechanism includes an edge fixing frame fixedly connected to the hinge rod. The edge fixing frame is threadedly connected to a third threaded rod. There are two third threaded rods, which are symmetrically arranged on the edge fixing frame. The third threaded rod is fixedly connected to a first rotating handle. The third threaded rod is rotatably connected to an edge clamping plate, and the edge clamping plate is slidably connected to the edge fixing frame.

8. The axle performance detection device according to claim 7, characterized in that, The positioning pressure rod mechanism includes a pressure rod rotatably connected to the second rotating shaft. The pressure rod passes through the slide rod fixing plate, and the pressure rod is slidably connected to the slide rod fixing plate. The bottom of the pressure rod is fixedly connected to a pressure frame.

9. The axle performance detection device according to claim 8, characterized in that, The synchronous placing mechanism includes a placing frame fixedly connected to the pressure frame. A synchronous motor is provided at the bottom of the placing frame. The output shaft of the synchronous motor is fixedly connected to a synchronous gear. The synchronous gear is rotatably connected to the placing frame. The synchronous gear meshes with two synchronous racks. The synchronous racks are fixedly connected to a synchronous frame, and the synchronous frame is slidably connected to the placing frame.

10. The axle performance detection device according to claim 9, characterized in that, The middle pressing mechanism includes a middle fixing frame fixed to the placing frame. The middle fixing frame is threadedly connected to a fourth threaded rod. One end of the fourth threaded rod located outside the middle fixing frame is fixedly connected to a second rotating handle. The end of the fourth threaded rod away from the second rotating handle is rotatably connected to a middle pressing plate, and the middle pressing plate is slidably connected to the middle fixing frame.

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