Dynamic balance detection device for automobile transmission shaft

Abstract

The utility model belongs to the technical field of transmission shaft detection, and particularly relates to an automobile transmission shaft dynamic balance detection device which comprises a workbench, the upper surface of the workbench is fixedly connected with a protective shell, and the left side wall of the workbench is provided with a dynamic balance detector. When the transmission shaft detection device is used, the left end of the transmission shaft is clamped through the first claw disc, the electric push rod is started to push the adjusting plate to move leftwards according to the length of the transmission shaft to be detected, the second claw disc can clamp the right end of the transmission shaft, the protective door is pulled through the handle, the sliding block stably slides in the track, and the opening degree of the protective door can be limited. The first motor is started to drive the first claw disc, so that the automobile transmission shaft rotates, dynamic balance detection is carried out on the transmission shaft through the dynamic balance detector, detection personnel can conveniently observe from the outside through the perspective window, and when accidental falling occurs, blocking is carried out through the protective door, so that the probability of direct injury of the rotating shaft to personnel is reduced, and the detection safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission shaft detection, in particular to a dynamic balance detection device for an automobile transmission shaft. Background Art

[0002] The transmission shaft is a high-speed, low-support rotating body, so its dynamic balance is crucial. Generally, the transmission shaft must undergo a dynamic balance test before leaving the factory and be adjusted on a balancing machine. For front-engine rear-wheel drive vehicles, it is the shaft that transmits the rotation of the transmission to the main reducer. It can have several sections, and the sections can be connected by universal joints;

[0003] China Public Invention: CN202320854709.2 discloses a dynamic balance detection device for a vehicle transmission shaft, including a base, a top surface of which is symmetrically provided with guide grooves, and a side wall of which is provided with mounting grooves; a rotating clamping assembly, including a fixed seat connected to the top of the base, a first claw plate connected to the fixed seat, and a first motor driving the first claw plate to rotate; a propulsion clamping assembly, including a moving plate placed on the top surface of the base, a second claw plate fixed on the moving plate, a mounting plate symmetrically fixed on the base, and a first cylinder fixed on the mounting plate, and the first cylinder push rod is fixed on the moving plate. A dynamic balance detector is placed next to the base and is used to detect the dynamic balance of the transmission shaft. The welding mechanism includes a vertical plate connected to the base, a telescopic assembly, a welding assembly, a counterweight welding plate placed on the welding assembly, and a driving assembly for driving the vertical plate to move. It can replace manual welding work to add counterweights to the transmission shaft;

[0004] The detection equipment does not have a protective function. When the rotating shaft rotates at high speed, it may fall off the claw disc, causing harm to the on-site detection personnel;

[0005] Therefore, a device for detecting dynamic balance of automobile transmission shaft is proposed. Utility Model Content

[0006] The purpose of the utility model is to provide a vehicle transmission shaft dynamic balance detection device to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dynamic balancing detection device for a vehicle transmission shaft comprises a workbench, a protective shell is fixedly connected to the upper surface of the workbench, a dynamic balancing detector is installed on the left side wall of the workbench, a first claw disk is provided on the upper side of the workbench, an electric push rod is installed on the right side wall of the workbench, an adjustment plate is provided on the left side of the electric push rod, and a second claw disk is rotatably connected to the left side wall of the adjustment plate, a pair of protective doors are provided on the front side of the protective shell, an upper support plate is fixedly connected to the upper side of the rear side wall of the protective door, a lower support plate is fixedly connected to the lower side of the front surface of the protective door, a track is provided on the inner side wall of the protective shell and the inner side wall of the workbench, a slider is fixedly connected to the lower surface of the upper support plate and the lower surface of the lower support plate, the outer side wall of the slider is slidably connected to the inner side wall of the track, a perspective window is installed on the inner side wall of the protective shell, a handle is fixedly connected to the front surface of the protective shell, and a first motor is provided on the upper side of the workbench.

[0008] As a further preferred embodiment of the present technical solution: a limit block is fixedly connected to the lower surface of the sliding block.

[0009] As a further preferred embodiment of the present technical solution: a fixed box is fixedly connected to the left side of the upper surface of the workbench, the first motor is installed on the lower side of the inner wall of the fixed box, the inner wall of the fixed box is rotatably connected with a rotating shaft, the right end of the rotating shaft is fixedly connected to the left side wall of the first claw disk, the left end of the rotating shaft is fixedly connected to a driven pulley, the output end of the first motor is fixedly connected to a driving pulley, and the outer side walls of the driving pulley and the driven pulley are fixedly connected with a belt.

[0010] As a further preferred embodiment of the present technical solution: a slide groove is opened on the right side of the upper surface of the workbench, and a push block is slidably connected to the inner wall of the slide groove, the output end of the electric push rod is fixedly connected to the right side wall of the push block, and the upper surface of the push block is fixedly connected to the lower surface of the adjustment plate.

[0011] As a further preferred embodiment of the present technical solution: evenly distributed legs are fixedly connected to the lower surface of the workbench.

[0012] As a further preferred embodiment of the present technical solution: the inner side wall of the protective shell is rotatably connected to a threaded rod, the outer side of the threaded rod is threadedly connected to a welding block, the front surface of the welding block is provided with a welding mechanism, and a second motor is installed on the right side wall of the protective shell, and the output end of the second motor is fixedly connected to the right end of the threaded rod.

[0013] As a further preferred embodiment of the technical solution: the inner side wall of the protective shell is fixedly connected with a sliding rod, and the outer side wall of the sliding rod is slidably connected to the inner side wall of the welding block.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] When the utility model is in use, the left end of the transmission shaft is clamped by the first claw plate, and according to the length of the transmission shaft to be detected, the electric push rod is started to push the adjustment plate to move to the left, so that the second claw plate can clamp the right end of the transmission shaft, and the protective door is pulled by the handle, and the slider slides smoothly in the track and can limit the degree of opening of the protective door. The first motor is started to drive the first claw plate, so that the automobile transmission shaft rotates, and the dynamic balance of the transmission shaft is detected by the dynamic balance detector. The perspective window is convenient for the detection personnel to observe from the outside. When an accidental fall occurs, it is blocked by the protective door, which reduces the probability of direct harm to personnel by the rotating shaft and improves the safety of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the threaded rod, welding block and welding mechanism in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the adjusting plate and the pushing block in the utility model;

[0019] Figure 4 It is a structural schematic diagram of the upper support plate, the lower support plate and the sliding block in the utility model;

[0020] Figure 5 It is a schematic cross-sectional structure diagram of the rotating shaft, the driving pulley and the driven pulley of the utility model.

[0021] In the figure: 1. workbench; 2. protective shell; 3. dynamic balancing tester; 4. first claw plate; 5. electric push rod; 6. adjustment plate; 7. second claw plate; 8. protective door; 9. upper support plate; 10. lower support plate; 11. track; 12. slider; 13. perspective window; 14. handle; 15. first motor; 16. limit block; 17. fixing box; 18. rotating shaft; 19. driven pulley; 20. driving pulley; 21. belt; 22. slide; 23. push block; 24. support leg; 25. threaded rod; 26. welding block; 27. welding mechanism; 28. second motor; 29. ​​slide rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as limitations on the present application. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", and "set" 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, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0024] See also Figure 1-5The utility model provides a technical solution: a dynamic balancing detection device for a vehicle transmission shaft, comprising a workbench 1, a protective shell 2 is fixedly connected to the upper surface of the workbench 1, a dynamic balancing detector 3 is installed on the left side wall of the workbench 1, a first claw plate 4 is arranged on the upper side of the workbench 1, an electric push rod 5 is installed on the right side wall of the workbench 1, an adjustment plate 6 is arranged on the left side of the electric push rod 5, a second claw plate 7 is rotatably connected to the left side wall of the adjustment plate 6, a pair of protective doors 8 are arranged on the front side of the protective shell 2, an upper support plate 9 is fixedly connected to the upper side of the rear side wall of the protective door 8, a lower support plate 10 is fixedly connected to the lower side of the front surface of the protective door 8, a track 11 is provided on the inner side wall of the protective shell 2 and the inner side wall of the workbench 1, a slider 12 is fixedly connected to the lower surface of the upper support plate 9 and the lower surface of the lower support plate 10, the outer side wall of the slider 12 is slidably connected to the inner side wall of the track 11, and the protective A perspective window 13 is installed on the inner wall of the protective shell 2, and a handle 14 is fixedly connected to the front surface of the protective shell 2. A first motor 15 is provided on the upper side of the workbench 1. When in use, the left end of the transmission shaft is clamped by the first claw plate 4. According to the length of the transmission shaft to be detected, the electric push rod 5 is started to push the adjustment plate 6 to move to the left, so that the second claw plate 7 can clamp the right end of the transmission shaft, and the protective door 8 is pulled by the handle 14. The slider 12 slides smoothly in the track 11 and can limit the degree of opening of the protective door 8. The first motor 15 is started to drive the first claw plate 4, so that the automobile transmission shaft rotates, and the dynamic balance of the transmission shaft is detected by the dynamic balancing tester 3. The perspective window 13 is convenient for the detection personnel to observe from the outside. When an accidental fall occurs, it is blocked by the protective door 8, which reduces the probability of direct harm to personnel by the rotating shaft and improves the safety of the detection.

[0025] In this embodiment, specifically: a limit block 16 is fixedly connected to the lower surface of the slider 12 ; the limit block 16 can prevent the slider 12 from falling off from the track 11 .

[0026] In this embodiment, specifically: a fixed box 17 is fixedly connected to the left side of the upper surface of the workbench 1, the first motor 15 is installed on the lower side of the inner wall of the fixed box 17, the inner wall of the fixed box 17 is rotatably connected with a rotating shaft 18, the right end of the rotating shaft 18 is fixedly connected to the left side wall of the first claw disk 4, the left end of the rotating shaft 18 is fixedly connected to a driven pulley 19, the output end of the first motor 15 is fixedly connected to a driving pulley 20, and the outer wall of the driving pulley 20 and the outer wall of the driven pulley 19 are fixedly connected with a belt 21; the driving pulley 20 is driven to rotate by the first motor 15, and the driven pulley 19 is driven by the belt 21, so that the rotating shaft 18 drives the first claw disk 4 to rotate, which is used for rotation detection of the transmission shaft.

[0027] In this embodiment, specifically: a slide groove 22 is opened on the right side of the upper surface of the workbench 1, and a push block 23 is slidably connected to the inner wall of the slide groove 22, the output end of the electric push rod 5 is fixedly connected to the right side wall of the push block 23, and the upper surface of the push block 23 is fixedly connected to the lower surface of the adjustment plate 6; by pushing the push block 23 in the slide groove 22, the adjustment plate 6 is driven to move, which can improve the stability of the movement.

[0028] In this embodiment, specifically: the lower surface of the workbench 1 is fixedly connected with evenly distributed legs 24 ; the legs 24 are used to support and fix the workbench 1 .

[0029] In this embodiment, specifically: the inner wall of the protective shell 2 is rotatably connected to a threaded rod 25, the outer side of the threaded rod 25 is threadedly connected to a welding block 26, a welding mechanism 27 is provided on the front surface of the welding block 26, and a second motor 28 is installed on the right side wall of the protective shell 2, and the output end of the second motor 28 is fixedly connected to the right end of the threaded rod 25; according to the detection result, the second motor 28 is started to drive the threaded rod 25 to rotate, so that the welding block 26 moves to a suitable position, and the counterweight plate is welded to the transmission shaft by the welding mechanism 27, so that the transmission shaft as a whole achieves a dynamic balance of force.

[0030] In this embodiment, specifically: the inner wall of the protective shell 2 is fixedly connected with a slide bar 29, and the outer wall of the slide bar 29 is slidably connected to the inner wall of the welding block 26; the slide bar 29 prevents the welding block 26 from deflecting when moving.

[0031] The working principle of the utility model is as follows: when in use, the left end of the transmission shaft is clamped by the first claw plate 4, and according to the length of the transmission shaft to be detected, the electric push rod 5 is started to push the adjustment plate 6 to move to the left, so that the second claw plate 7 can clamp the right end of the transmission shaft, and the protective door 8 is pulled by the handle 14, and the slider 12 slides smoothly in the track 11, and the degree of opening of the protective door 8 can be limited, and the active pulley 20 is driven to rotate by the first motor 15, and the driven pulley 19 is driven by the belt 21, so that the rotating shaft 18 drives the first claw plate 4 to rotate, and the dynamic balance tester 3 is used to detect the dynamic balance of the automobile transmission shaft. According to the test results, the second motor 28 is started to drive the threaded rod 25 to rotate, so that the welding block 26 moves to a suitable position, and the counterweight plate is welded to the transmission shaft by the welding mechanism 27, so that the transmission shaft as a whole achieves a dynamic balance of force, and the perspective window 13 is convenient for the detection personnel to observe from the outside. When an accidental fall occurs, it is blocked by the protective door 8, which reduces the probability of direct harm to personnel by the rotating shaft and improves the safety of the detection.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vehicle transmission shaft dynamic balance detection device, comprising a workbench (1), characterized in that: The upper surface of the workbench (1) is fixedly connected to a protective shell (2), a dynamic balancing detector (3) is installed on the left side wall of the workbench (1), a first claw plate (4) is provided on the upper side of the workbench (1), an electric push rod (5) is installed on the right side wall of the workbench (1), an adjustment plate (6) is provided on the left side of the electric push rod (5), and a second claw plate (7) is rotatably connected to the left side wall of the adjustment plate (6), a pair of protective doors (8) are provided on the front side of the protective shell (2), an upper support plate (9) is fixedly connected to the upper side of the rear side wall of the protective door (8), and the protective door (8) ) is fixedly connected to the lower side of the front surface of the protective shell (2), the inner side wall of the protective shell (2) and the inner side wall of the workbench (1) are both provided with a track (11), the lower surface of the upper support plate (9) and the lower surface of the lower support plate (10) are both fixedly connected to a slider (12), the outer side wall of the slider (12) is slidably connected to the inner side wall of the track (11), the inner side wall of the protective shell (2) is installed with a perspective window (13), the front surface of the protective shell (2) is fixedly connected to a handle (14), and the upper side of the workbench (1) is provided with a first motor (15).

2. The vehicle transmission shaft dynamic balance detection device according to claim 1, characterized in that: The lower surface of the sliding block (12) is fixedly connected to a limiting block (16).

3. The vehicle transmission shaft dynamic balance detection device according to claim 1, characterized in that: A fixed box (17) is fixedly connected to the left side of the upper surface of the workbench (1); the first motor (15) is installed on the lower side of the inner wall of the fixed box (17); the inner wall of the fixed box (17) is rotatably connected to a rotating shaft (18); the right end of the rotating shaft (18) is fixedly connected to the left side wall of the first claw plate (4); the left end of the rotating shaft (18) is fixedly connected to a driven pulley (19); the output end of the first motor (15) is fixedly connected to a driving pulley (20); and the outer side wall of the driving pulley (20) and the outer side wall of the driven pulley (19) are fixedly connected to a belt (21).

4. The vehicle transmission shaft dynamic balance detection device according to claim 1, characterized in that: A slide groove (22) is provided on the right side of the upper surface of the workbench (1), and a push block (23) is slidably connected to the inner wall of the slide groove (22), the output end of the electric push rod (5) is fixedly connected to the right side wall of the push block (23), and the upper surface of the push block (23) is fixedly connected to the lower surface of the adjustment plate (6).

5. The vehicle transmission shaft dynamic balance detection device according to claim 1, characterized in that: The lower surface of the workbench (1) is fixedly connected with evenly distributed supporting legs (24).

6. The vehicle transmission shaft dynamic balance detection device according to claim 1, characterized in that: The inner side wall of the protective shell (2) is rotatably connected to a threaded rod (25), the outer side of the threaded rod (25) is threadably connected to a welding block (26), the front surface of the welding block (26) is provided with a welding mechanism (27), and the right side wall of the protective shell (2) is installed with a second motor (28), the output end of the second motor (28) is fixedly connected to the right end of the threaded rod (25).

7. The vehicle transmission shaft dynamic balance detection device according to claim 6, characterized in that: The inner side wall of the protective shell (2) is fixedly connected to a sliding rod (29), and the outer side wall of the sliding rod (29) is slidably connected to the inner side wall of the welding block (26).

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