Run-out comprehensive testing fixture for automobile differential housing

Abstract

The utility model discloses a runout comprehensive testing fixture used for an automobile differential housing, comprising a vertical plate and a circular ring, one side of the upper surface of the vertical plate is provided with a V-shaped groove, the inner part of the V-shaped groove is provided with a differential housing main body, one side of the outer surface of the circular ring is connected with four push rods in an inserted manner, and the push rods are arranged in the V-shaped groove. The bottom end of the ejector rod is rotatably connected with a detection wheel, and the side, close to the top end, of the outer surface of the ejector rod is sleeved with a spring. According to the runout comprehensive testing fixture for the automobile differential shell, through the arrangement of the supporting seat, the threaded rods and the clamping plates, in the using process, the supporting seat is inverted-U-shaped and can be clamped on a protruding table top, the threaded rods can be rotated to drive the clamping plates to move through the threaded effect of the threaded rods and the supporting seat, and the clamping plates can be driven to move after the four sets of threaded rods rotate at the same time; the clamping plate is utilized to generate a clamping effect, so that the supporting seat can be clamped on a convex table top, the detection tool is firmer after being fixed, and the phenomenon that the detection tool slides when the differential case body rotates for detection is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of differential case detection, in particular to a comprehensive vibration detection tool for automobile differential cases. Background Art

[0002] The differential is an important component of a car. Its function is to make the wheels on both sides rotate at different speeds. The differential is composed of a differential case, planetary gears, planetary gear shafts and other parts. The differential case is used to wrap the entire differential, and its surface contour needs to meet certain specifications. It is generally detected by measuring the runout value. Since the outer surface of the differential case has shaft holes and gear mounting holes, when detecting the rotating differential case, the transverse measuring rod is stuck in the shaft hole and the gear mounting hole, which will cause the differential case to be unable to rotate and get stuck. Forcibly rotating the differential case will also cause damage to the mechanical meter. It is often necessary to manually pull out the measuring rod and then continue measuring while rotating the differential case.

[0003] After searching, Chinese Patent 201921667746.2 discloses a differential case outer surface runout inspection fixture, which rotates the detection wheel to rotate out the shaft hole or gear mounting hole, is not easy to get stuck, and has smooth detection. Although the above patent has a good detection effect, it can only detect one direction at a time and does not have the function of simultaneous four-way detection. Since the differential case needs to be inspected at different positions during detection, if the dial indicator is fixed at a certain group of positions, only one group of data can be detected at a time, resulting in low detection efficiency. In addition, the current detection device does not have a fixed function, and the differential needs to rotate during detection. If the inspection fixture is not fixed, it is easy to cause shaking and side slipping during rotation. Therefore, it is necessary to design a comprehensive inspection fixture for the runout of automobile differential cases. Utility Model Content

[0004] The main purpose of the utility model is to provide a comprehensive vibration inspection tool for a vehicle differential housing, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A comprehensive inspection tool for the vibration of a differential housing of an automobile comprises a vertical plate and a circular ring, wherein a V-shaped groove is provided on one side of the upper surface of the vertical plate, a differential housing body is arranged inside the V-shaped groove, a push rod is inserted on one side of the outer surface of the circular ring, the number of the push rods is four, a detection wheel is rotatably connected to the bottom end of the push rod, a spring is sleeved on one side of the outer surface of the push rod close to the top end, a limiting groove is provided on the upper surface of the push rod, and a rotating plate is rotatably connected to one side of the circular ring; a sliding groove is provided on one side of the inner surface of the rotating plate, a slider is slidably connected to the inside of the sliding groove, a dial indicator is fixedly connected to the lower surface of the slider, and the push pin of the dial indicator is located in the limiting groove and is movably connected to the limiting groove.

[0007] In order to achieve a tightening effect, as a comprehensive vibration inspection tool for a vehicle differential housing of the utility model, a tightening rod is threadedly connected to one side of the outer surface of the rotating plate, and a bottom plate is fixedly connected to the lower surface of the vertical plate.

[0008] In order to achieve the function of rapid fixing, as a comprehensive vibration inspection tool for a car differential housing of the utility model, a positioning hole is opened on one side of the upper surface of the base plate, and a positioning rod is threadedly connected to one side of the outer surface of the ring, and the size of the positioning rod is adapted to the positioning hole.

[0009] In order to achieve the purpose of rotation, as a comprehensive vibration inspection tool for a car differential housing of the utility model, a movable groove is opened on one side of the upper surface of the bottom plate, and a screw rod is rotatably connected to the inner side wall of the movable groove.

[0010] In order to achieve a sliding effect, as a comprehensive vibration inspection fixture for an automobile differential housing of the utility model, the outer surface of the screw rod is threadedly connected with a movable seat, the movable seat is slidably connected to the movable groove, and a snap ring is rotatably connected to one side of the outer surface of the movable seat near the top.

[0011] In order to provide a supporting function, as a comprehensive vibration inspection tool for a vehicle differential housing of the utility model, a support seat is fixedly connected to the lower surface of the base plate, and a threaded rod is threadedly connected to one side of the support seat.

[0012] In order to achieve a clamping effect, as a comprehensive vibration inspection tool for a car differential housing of the utility model, one end of the threaded rod passes through one side of the support seat and extends to the other side of the support seat, and one end of the threaded rod is rotatably connected to a clamping plate.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. In the utility model, through the arrangement of the circular ring, the push rod, the rotating plate and the sliding groove, during use, after the differential case main body is fixed, the rotating effect of the rotating plate and the circular ring is utilized, and the rotating plate has four groups of arc surface structures, and at the same time, the pointer of the dial indicator is located in the limit groove, and the sliding block has a sliding effect in the sliding groove. After directly rotating the rotating plate clockwise, the sliding block slides in the sliding groove, so that the pointer of the dial indicator can always squeeze the top of the push rod, and continuing to rotate the rotating plate can simultaneously drive the four groups of push rods to move inward, so that the four groups of detection wheels contact the four directions of the differential case main body at the same time. When the differential case main body rotates, the pressure can be transmitted to the push rod through the detection wheel, so that the pointer of the dial indicator can be subjected to force to detect the runout data, and has the function of detecting four positions at the same time, which greatly increases the detection efficiency. After the detection, the rotating plate can be rotated counterclockwise, and the spring rebound effect is utilized to push the push rod to make the detection wheel away from the differential case main body. At this time, the differential case main body can be moved out for the next group of detection.

[0015] 2. In the utility model, through the arrangement of the support seat, the threaded rod and the clamping plate, during use, the support seat is in an inverted U shape and can be stuck on the raised table top. By utilizing the threaded effect of the threaded rod and the support seat, the clamping plate can be driven to move after the threaded rod is rotated. After the four groups of threaded rods are rotated at the same time, the clamping effect produced by the clamping plate can make the support seat stuck on the raised table top, making the inspection fixture more firmly fixed, and preventing the inspection fixture from sliding when the differential case body is rotated during detection. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 A schematic diagram of the structure of the movable seat of an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of the circular ring structure of an embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of the rotating plate structure of an embodiment of the utility model;

[0020] Figure 5 It is a rear structural schematic diagram of an embodiment of the utility model.

[0021] In the figure: 1. vertical plate; 2. circular ring; 3. V-shaped groove; 4. differential case body; 5. push rod; 6. rotating plate; 7. slide groove; 8. dial indicator; 9. fastening rod; 10. bottom plate; 11. positioning hole; 12. positioning rod; 13. screw rod; 14. movable seat; 15. support seat; 16. threaded rod; 17. clamping plate. 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. 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 creative work are within the scope of protection of the utility model.

[0023] Example

[0024] like Figure 1-5 As shown, a comprehensive inspection tool for the vibration of a car differential housing comprises a vertical plate 1 and a circular ring 2. A V-shaped groove 3 is provided on one side of the upper surface of the vertical plate 1. A differential housing body 4 is arranged inside the V-shaped groove 3. A push rod 5 is inserted on one side of the outer surface of the circular ring 2. There are four push rods 5. A detection wheel is rotatably connected to the bottom end of the push rod 5. A spring is sleeved on one side of the outer surface of the push rod 5 near the top. A limiting groove is provided on the upper surface of the push rod 5. A rotating plate 6 is rotatably connected to one side of the circular ring 2.

[0025] In this embodiment, a slide groove 7 is provided on one side of the inner surface of the rotating plate 6, a slider is slidably connected inside the slide groove 7, a dial indicator 8 is fixedly connected to the lower surface of the slider, and the ejector pin of the dial indicator 8 is located in the limiting groove and is movably connected to the limiting groove.

[0026] When in use, the rotating plate 6 is directly rotated clockwise to make the slide plate slide in the slide groove 7, so that the pointer of the dial indicator 8 can always squeeze the top of the push rod 5, and the rotating plate 6 can be continuously rotated to simultaneously drive the four groups of push rods 5 to move inward, so that the four groups of detection wheels can contact the four directions of the differential case body 4 at the same time. When the differential case body 4 rotates, the pressure can be transmitted to the push rod 5 through the detection wheel, so that the pointer of the dial indicator 8 is subjected to force to detect the runout data, which has the function of detecting four positions at the same time, thereby greatly increasing the detection efficiency.

[0027] In this embodiment, a fastening rod 9 is threadedly connected to one side of the outer surface of the rotating plate 6 , and a bottom plate 10 is fixedly connected to the lower surface of the vertical plate 1 .

[0028] During specific use, after rotating the rotating plate 6, through the threaded connection between the fastening rod 9 and the rotating plate 6, the fastening rod 9 can move downward to contact the surface of the ring 2 after rotating. Continuing to rotate the fastening rod 9 and the ring 2 will generate resistance, so that the rotating plate 6 and the ring 2 can be quickly fixed to avoid self-rotation.

[0029] In this embodiment, a positioning hole 11 is opened on one side of the upper surface of the bottom plate 10 , and a positioning rod 12 is threadedly connected to one side of the outer surface of the ring 2 , and the size of the positioning rod 12 is adapted to the positioning hole 11 .

[0030] When in use, the positioning rods 12 are loosened and separated from the positioning holes 11 through the plurality of positioning holes 11, and the positioning rods 12 are fastened in the corresponding positioning holes 11 after the ring 2 is moved, so that the ring 2 can be fixed at different positions.

[0031] In this embodiment, a movable groove is formed on one side of the upper surface of the bottom plate 10 , and a screw rod 13 is rotatably connected to the inner side wall of the movable groove.

[0032] During specific use, the screw rod 13 can be rotated through the rotation effect of the screw rod 13 and the movable groove, so that the movable seat 14 is subjected to the acting force.

[0033] In this embodiment, the outer surface of the screw rod 13 is threadedly connected with a movable seat 14 , the movable seat 14 is slidably connected to the movable groove, and a clamping ring is rotatably connected to one side of the outer surface of the movable seat 14 near the top.

[0034] When in use, after the screw rod 13 is rotated, the movable seat 14 can slide in the movable groove and is threadedly connected to the screw rod 13, so that the movable seat 14 can move after receiving a force, which is convenient for taking and placing the differential case body 4.

[0035] In this embodiment, a support base 15 is fixedly connected to the lower surface of the bottom plate 10 , and a threaded rod 16 is threadedly connected to one side of the support base 15 .

[0036] When in use, the threaded rod 16 and the support seat 15 are used to rotate the threaded rod 16 to drive the clamping plate 17 to move.

[0037] In this embodiment, one end of the threaded rod 16 passes through one side of the support seat 15 and extends to the other side of the support seat 15 , and one end of the threaded rod 16 is rotatably connected to a clamping plate 17 .

[0038] When in use, the clamping effect produced by the clamping plate 17 can cause the support seat 15 to be clamped on the raised tabletop, making the inspection fixture more firmly fixed.

[0039] Working principle: During use, the support seat 15 is in an inverted U shape and can be stuck on the raised table top. The threaded effect of the threaded rod 16 and the support seat 15 is utilized. After rotating the threaded rod 16, the clamping plate 17 can be driven to move. After the four groups of threaded rods 16 rotate at the same time, the clamping effect of the clamping plate 17 is generated, which can make the support seat 15 stuck on the raised table top, making the inspection fixture more firmly fixed. Place one end of the differential case body 4 on the V-groove 3, and rotate the screw rod 13 at the same time to move the support seat 15 and drive the clamping ring to contact the other end of the differential case body 4 to produce a fixing effect. Utilize the rotation effect of the rotating plate 6 and the ring 2, and the rotating plate 6 has four groups of arc surface structures. At the same time, the pointer of the dial indicator 8 is located in the limit groove, and the slider has a sliding effect in the slide groove 7. After directly rotating the rotating plate 6 clockwise, the slide plate slides in the slide groove 7, so that the percentage The pointer of the gauge 8 can always squeeze the top of the push rod 5. Continuing to rotate the rotating plate 6 can simultaneously drive the four groups of push rods 5 to move inward, so that the four groups of detection wheels can contact the four directions of the differential case body 4 at the same time. Through the threaded connection between the fastening rod 9 and the rotating plate 6, the fastening rod 9 can be rotated to move downward to contact the surface of the ring 2. Continuing to rotate the fastening rod 9 and the ring 2 will generate resistance, so that the rotating plate 6 and the ring 2 can be quickly fixed to avoid self-rotation. When the differential case body 4 rotates, the pressure can be transmitted to the push rod 5 through the detection wheel, so that the pointer of the dial gauge 8 can be subjected to force to detect the runout data. It has the function of detecting four positions at the same time, which greatly increases the detection efficiency. After the detection, the rotating plate 6 can be rotated counterclockwise, and the spring rebound effect can be used to push the push rod 5 to make the detection wheel away from the differential case body 4. At this time, the differential case body 4 can be moved out for the next group of detection.

[0040] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A comprehensive vibration tester for automobile differential housing, comprising a vertical plate (1) and a ring (2), characterized in that: A V-shaped groove (3) is provided on one side of the upper surface of the vertical plate (1), a differential case body (4) is arranged inside the V-shaped groove (3), a push rod (5) is inserted on one side of the outer surface of the ring (2), the number of the push rods (5) is four, the bottom end of the push rod (5) is rotatably connected to a detection wheel, a spring is sleeved on one side of the outer surface of the push rod (5) close to the top, a limiting groove is provided on the upper surface of the push rod (5), and a rotating plate (6) is rotatably connected to one side of the ring (2); a sliding groove (7) is provided on one side of the inner surface of the rotating plate (6), a slider is slidably connected inside the sliding groove (7), a dial indicator (8) is fixedly connected to the lower surface of the slider, and the push pin of the dial indicator (8) is located in the limiting groove and is movably connected to the limiting groove.

2. The comprehensive vibration inspection fixture for automobile differential housing according to claim 1 is characterized in that: A fastening rod (9) is threadedly connected to one side of the outer surface of the rotating plate (6), and a bottom plate (10) is fixedly connected to the lower surface of the vertical plate (1).

3. The comprehensive vibration inspection tool for automobile differential housing according to claim 2 is characterized in that: A positioning hole (11) is provided on one side of the upper surface of the bottom plate (10), and a positioning rod (12) is threadedly connected to one side of the outer surface of the ring (2), wherein the size of the positioning rod (12) is adapted to the positioning hole (11).

4. The comprehensive vibration inspection tool for automobile differential housing according to claim 2 is characterized in that: A movable groove is provided on one side of the upper surface of the bottom plate (10), and a screw rod (13) is rotatably connected to the inner side wall of the movable groove.

5. The comprehensive vibration inspection tool for automobile differential housing according to claim 4 is characterized in that: The outer surface of the screw rod (13) is threadedly connected to a movable seat (14), the movable seat (14) is slidably connected to the movable groove, and a clamping ring is rotatably connected to one side of the outer surface of the movable seat (14) close to the top.

6. The comprehensive vibration inspection tool for automobile differential housing according to claim 2, characterized in that: A support seat (15) is fixedly connected to the lower surface of the base plate (10), and a threaded rod (16) is threadedly connected to one side of the support seat (15).

7. The comprehensive vibration test fixture for automobile differential housing according to claim 6, characterized in that: One end of the threaded rod (16) passes through one side of the support seat (15) and extends to the other side of the support seat (15), and one end of the threaded rod (16) is rotatably connected to a clamping plate (17).

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