Speed reducer gear flaw detection device

Abstract

The utility model discloses a flaw detection device for a speed reducer gear, and belongs to the technical field of gears. The speed reducer gear flaw detection device comprises a box body, a flaw detector and a flaw detection plate, the flaw detector is fixedly installed on the upper end face of the box body, the flaw detection plate is arranged in the box body, and the flaw detection plate is connected with the flaw detector to carry out flaw detection on the gear, and the gear flaw detection device is characterized by further comprising a rotating motor, a rotating shaft, a fixing plate and a locking plate; the rotating motor is fixedly installed outside the box body, the output end of the rotating motor penetrates through the box body and is fixedly connected with the rotating shaft, the end, away from the rotating motor, of the rotating shaft is fixedly connected with the fixing plate, a limiting column is arranged on one side of the fixing plate, the gear sleeves the limiting column, the locking plate is detachably connected with the limiting column, and a positioning column is arranged on the inner end face of the locking plate. The positioning column is sleeved in the gear inner ring; according to the utility model, the gear is sleeved on the limiting column, and then the gear can be subjected to centering adjustment through the positioning column, so that centering clamping of the gear is kept, and flaw detection is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of gears, and more specifically relates to a gear flaw detection device for a reducer. Background Art

[0002] The reducer is an independent component consisting of a gear transmission, a worm transmission, and a gear-worm transmission enclosed in a rigid housing. It is often used as a reduction transmission device between the prime mover and the working machine. In the reducer, the gear is one of the most important parts, so there are high requirements for the quality of the gear. In the production and processing of the gear, the gear needs to be inspected for flaws after it is produced. For example, the equipment on the market that automatically inspects the gears, such as the patent authorization announcement number: CN218601219U; the patent name is a patent for a gear flaw detection device, which discloses a gear flaw detection device and belongs to the field of gear detection technology. The gear flaw detection device includes a flaw detection component. The flaw detection component includes a box, a flaw detector, a motor and a fixture. The flaw detector is connected to the top wall of the box, and a flaw detection probe is provided at the flaw detection end of the flaw detector. When in use, open the box, then clamp the gear with the clamp, then use the flaw detector and flaw detection probe to detect the gear, and then use the motor to drive the clamp and gear to rotate, and then detect the gear. The motor drives the gear to rotate at a uniform speed, and there will be no situation where slow gear speed affects efficiency or fast gear speed affects accuracy. In addition, the motor drives the gear to rotate, and the operator is no longer required to rotate manually, which can save a certain amount of manpower, reduce the operator's fatigue, and is less likely to make operating errors.

[0003] However, in the above patent, when the gear is clamped by the clamp, the gear cannot be centered, resulting in inaccurate flaw detection. Therefore, a gear flaw detection device for a reducer is proposed. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a reducer gear flaw detection device, which can realize centering when the gear is clamped.

[0005] The utility model discloses a gear flaw detection device for a reducer, comprising a box body, a flaw detector and a flaw detection plate; the flaw detector is fixedly mounted on the upper end surface of the box body, the flaw detection plate is arranged in the box body, the flaw detection plate is connected with the flaw detector to perform flaw detection on the gear, and the utility model is characterized in that: it also comprises a rotating motor, a rotating shaft, a fixing plate and a locking plate; the rotating motor is fixedly mounted outside the box body, the output end of the rotating motor passes through the box body and is fixedly connected with the rotating shaft, one end of the rotating shaft away from the rotating motor is fixedly connected with the fixing plate, a limiting column is arranged on one side of the fixing plate, the gear is sleeved on the limiting column, the locking plate is detachably connected with the limiting column, a positioning column is arranged on the inner end surface of the locking plate, and the positioning column is sleeved in the inner ring of the gear.

[0006] As a further improvement of the utility model, a slide groove is arranged on the locking plate, a sliding block matched with the slide groove is arranged on the conical column, and the sliding block is slidably installed in the slide groove.

[0007] As a further improvement of the utility model, a limiting groove is arranged on the fixing plate, and the positioning column passes through the limiting groove.

[0008] As a further improvement of the present invention, the positioning column is a tapered column.

[0009] As a further improvement of the present invention, the outer wall of the limiting column is provided with an external thread, the inner wall of the locking plate is provided with an internal thread, and the locking plate is threadedly connected to the limiting column.

[0010] Compared with the prior art, the advantages of the present invention are:

[0011] The utility model can sleeve the gear on the limiting column, and then adjust the centering of the gear through the positioning column, so as to keep the centering clamping of the gear and facilitate flaw detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a structural schematic diagram of the locking plate of the utility model.

[0014] Description of the numbers in the figure:

[0015] 1. Box; 2. Flaw detector; 3. Flaw detector plate; 4. Rotating motor; 5. Rotating shaft; 6. Fixed plate; 7. Locking plate; 8. Limiting column; 9. Slide groove; 10. Limiting groove; 11. Positioning column. DETAILED DESCRIPTION

[0016] Specific embodiment 1: Please refer to Figure 1-2 A gear flaw detection device for a reducer includes a housing 1, a flaw detector 2 and a flaw detection plate 3; the flaw detector 2 is fixedly mounted on the upper end surface of the housing 1, the flaw detection plate 3 is arranged in the housing 1, and the flaw detection plate 3 is connected to the flaw detector 2 to perform flaw detection on the gear

[0017] It also includes a rotating motor 4, a rotating shaft 5, a fixing plate 6 and a locking plate 7; the rotating motor 4 is fixedly installed outside the box body 1 by screws, the output end of the rotating motor 4 passes through the box body 1 and is fixedly connected to the rotating shaft 5, the end of the rotating shaft 5 away from the rotating motor 4 is fixedly connected to the fixing plate 6, a limiting column 8 is arranged on one side of the fixing plate 6, the gear is sleeved on the limiting column 8, the outer wall of the limiting column 8 is arranged with an external thread, the inner wall of the locking plate 7 is arranged with an internal thread, and the locking plate 7 is threadedly connected with the limiting column 8; the locking plate 7 and the limiting column 8 can be connected and fixed by the thread, so as to cooperate with the fixing plate 6 to lock the gear; the inner end surface of the locking plate 7 is provided with a positioning column, The positioning column is sleeved in the inner ring of the gear. The positioning column is a tapered block, which is convenient for use with gears of different sizes. The positioning column can achieve the purpose of shaping. A slide groove 9 is provided on the locking plate 7, and a slider matched with the slide groove 9 is provided on the tapered column. The slider is slidably installed in the slide groove 9; through the cooperation of the slide groove 9 and the slider, the positioning column will not be interfered with when the locking plate 7 is rotated, which is convenient for the use of the positioning column; at the same time, a limiting groove 10 is provided on the fixing plate 6, and the positioning column passes through the limiting groove 10. The limiting groove 10 can limit the positioning column to ensure that the positioning column is always in a relative position and that the positioning column can be centered.

[0018] Working principle: In the utility model, the gear is firstly mounted on the limiting column 8, the positioning column passes through the inner ring of the gear and the slide groove 9, and the rotating locking plate 7 can cooperate with the fixing plate 6 for pressing, so that the gear can be centered for flaw detection.

[0019] 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 gear flaw detection device for a reducer, comprising a housing (1), a flaw detector (2) and a flaw detection plate (3); the flaw detector (2) is fixedly mounted on the upper end surface of the housing (1), the flaw detection plate (3) is arranged in the housing (1), and the flaw detection plate (3) is connected to the flaw detector (2) to perform flaw detection on the gear, characterized in that: It also comprises a rotating motor (4), a rotating shaft (5), a fixing plate (6) and a locking plate (7); the rotating motor (4) is fixedly mounted outside the housing (1); the output end of the rotating motor (4) passes through the housing (1) and is fixedly connected to the rotating shaft (5); the end of the rotating shaft (5) away from the rotating motor (4) is fixedly connected to the fixing plate (6); a limiting column (8) is arranged on one side of the fixing plate (6); the gear is sleeved on the limiting column (8); the locking plate (7) is detachably connected to the limiting column (8); a positioning column (11) is arranged on the inner end surface of the locking plate (7); the positioning column is sleeved in the inner ring of the gear.

2. A reducer gear flaw detection device according to claim 1, characterized in that: A slide groove (9) is arranged on the locking plate (7), and a sliding block matched with the slide groove (9) is arranged on the conical column, and the sliding block is slidably installed in the slide groove (9).

3. The reducer gear flaw detection device according to claim 1, characterized in that: A limiting groove (10) is provided on the fixing plate (6), and the positioning column passes through the limiting groove (10).

4. A reducer gear flaw detection device according to claim 2, characterized in that: The positioning column is a tapered column.

5. The reducer gear flaw detection device according to claim 1, characterized in that: The outer wall of the limiting column (8) is provided with an external thread, the inner wall of the locking plate (7) is provided with an internal thread, and the locking plate (7) is threadedly connected to the limiting column (8).

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