Worm and gear normal backlash detection device for worm and gear speed reducer

Abstract

The invention provides a worm and gear normal backlash detection device for a worm and gear speed reducer, which comprises a detection table, an air cylinder fixedly mounted at the upper part of the detection table, a pressing plate fixedly mounted at the lower end of an output rod of the air cylinder, a side frame fixedly mounted on one side of the interior of the detection table, and a three-jaw clamp fixedly mounted on one side of the side frame, a controller is fixedly installed on the other side of the side frame, a photoelectric detection shaft assembly, an angle rotating rod assembly and a leveling cushion table assembly are further arranged in the detection table, the photoelectric detection shaft assembly comprises a detection shaft, an insertion hole is formed in one end of the detection shaft, a bearing seat is installed at one end of the detection shaft through a bearing, and a photoelectric encoder is installed at the other end of the detection shaft. According to the normal backlash detection device, when a user rotates the rotating rod, the photoelectric encoder detects the rotating angle of the detection shaft and transmits data to the controller, so that the normal backlash is detected, and when the user rotates the rotating rod, the normal backlash can be visually detected through the rotating angle of the outer end of the rotating rod relative to the arc-shaped plate.

Description

Technical Field

[0001] The invention belongs to the technical field of reducers, and in particular relates to a worm gear normal backlash detection device for a worm gear reducer. Background Art

[0002] When inspecting and repairing a worm gear reducer, it is usually necessary to use a normal backlash detection device to detect the backlash, so as to determine whether the helical gear has a wear problem. The existing worm gear reducer worm gear normal backlash detection device currently includes a three-jaw chuck, a photoelectric encoder, and a handwheel. The photoelectric encoder is used to measure the angle that the handwheel can rotate, so as to detect the backlash. When this worm gear reducer worm gear normal backlash detection device is in use, the backlash is only detected by the photoelectric encoder, and the intuitiveness of the observation during the detection is low. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a worm gear normal backlash detection device for a worm gear reducer, which can magnify the angle when detecting the backlash through a rotating rod, thereby improving the intuitiveness of observation.

[0004] The present invention is achieved through the following technical solutions:

[0005] The worm gear reducer worm gear normal backlash detection device comprises a detection table, a cylinder is fixedly installed on the upper part of the detection table, a pressure plate is fixedly installed on the lower end of the output rod of the cylinder, a side frame is fixedly installed on one side of the inner side of the detection table, a three-claw clamp is fixedly installed on one side of the side frame, and a controller is fixedly installed on the other side of the side frame. A photoelectric detection shaft assembly, an angle rotating rod assembly, and a leveling pad assembly are also arranged in the detection table. The photoelectric detection shaft assembly comprises a detection shaft, a jack is opened at one end of the detection shaft, a bearing seat is installed at one end of the detection shaft, and a photoelectric encoder is installed at the other end of the detection shaft, and the lower parts of the bearing seat and the photoelectric encoder can be detachably fixed. A base is provided, and a connecting rod is detachably fixedly installed between the two bases. The angle rotating rod assembly comprises a right tube seat and a left tube seat which is detachably installed with the right tube seat. The inner circle formed by the right tube seat and the left tube seat being installed in cooperation with each other is adapted to the size of the detection axis. A rotating rod is integrally provided on one side of the right tube seat, and the rotating rod is perpendicular to the tangent line of the inner circle. A horizontal position sensor is fixedly installed on the upper part of the rotating rod, and an arc plate is cooperated with the outer end of the rotating rod, and a plate seat is detachably installed on the lower part of the arc plate. A locking bolt is installed on one side of the left tube seat. The leveling pad assembly comprises a pad, and a plug-in plate is inserted into a slot opened on the upper part of the pad, and a lower pressure frame is integrally provided on the upper part of the plug-in plate.

[0006] Preferably, a worm gear reducer is placed inside the detection platform.

[0007] Preferably, the reducer input shaft of the worm gear reducer is arranged directly opposite to the three-jaw clamp.

[0008] Preferably, the reducer output shaft of the worm gear reducer is adapted to the socket.

[0009] Preferably, the pad is placed inside the testing platform.

[0010] Preferably, the two bases are detachably mounted inside the testing platform.

[0011] Preferably, the reducer output shaft of the worm gear reducer is arranged to be opposite to the detection shaft.

[0012] Preferably, the plate seat is detachably fixedly installed inside the testing platform.

[0013] Preferably, the curvature of the arc plate is the curvature of a circle, and the circle where the arc plate is located is concentrically arranged with the detection axis.

[0014] Preferably, the right tube seat and the left tube seat are fixedly installed outside the detection shaft.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. In the present invention, when the user rotates the rotating rod, the photoelectric encoder detects the rotation angle of the detection axis and transmits the data to the controller, thereby detecting the normal side clearance. When the user rotates the rotating rod, the normal side clearance can be intuitively detected through the rotation angle of the outer end of the rotating rod relative to the arc plate.

[0017] 2. In the present invention, when the detection shaft rotates, the bearing seat supports the outer end of the detection shaft, thereby reducing the deviation of the detection shaft during rotation and making the detection more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention.

[0019] Figure 2 It is a structural schematic diagram of the photoelectric detection shaft assembly of the present invention.

[0020] Figure 3 It is a structural schematic diagram of the angle rotating rod assembly of the present invention.

[0021] Figure 4 It is a structural schematic diagram of the leveling pad assembly of the present invention.

[0022] Figure 5 It is a structural schematic diagram of the detection axis of the present invention.

[0023] In the figure:

[0024] 1. Inspection table; 2. Cylinder; 21. Press plate; 3. Side frame; 31. Three-jaw fixture; 4. Controller; 5. Photoelectric detection shaft assembly; 6. Angle rotating rod assembly; 7. Leveling pad assembly; 51. Inspection shaft; 511. Socket; 52. Bearing seat; 53. Photoelectric encoder; 54. Base; 55. Connecting rod; 61. Right pipe seat; 62. Left pipe seat; 63. Rotating rod; 64. Horizontal position sensor; 65. Arc plate; 66. Plate seat; 67. Locking bolt; 71. Pad; 72. Insert plate; 73. Lower pressure frame; 8. Worm gear reducer; 81. Reducer input shaft; 82. Reducer output shaft. DETAILED DESCRIPTION

[0025] The present invention will be described in detail below in conjunction with the accompanying drawings. Figure 1 As shown, a worm gear normal backlash detection device for a worm gear reducer comprises a detection platform 1, a cylinder 2 is fixedly mounted on the upper part of the detection platform 1, a pressure plate 21 is fixedly mounted on the lower end of the output rod of the cylinder 2, a groove matching the upper shape of the worm gear reducer 8 is provided at the lower part of the pressure plate 21, a side frame 3 is fixedly mounted on one side of the interior of the detection platform 1, a three-jaw clamp 31 is fixedly mounted on one side of the side frame 3, a controller 4 is fixedly mounted on the other side of the side frame 3, and the controller 4 adopts a single-chip microcomputer controller. A photoelectric detection shaft assembly 5, an angle rotating rod assembly 6, and a leveling pad assembly 7 are also arranged in the detection platform 1.

[0026] In this embodiment, combined with the Figure 2 and attached Figure 5 As shown, the photoelectric detection shaft assembly 5 includes a detection shaft 51, one end of the detection shaft 51 is provided with a socket 511, one end of the detection shaft 51 is equipped with a bearing seat 52, and the other end of the detection shaft 51 is equipped with a photoelectric encoder 53. The lower parts of the bearing seat 52 and the photoelectric encoder 53 are both detachably fixedly mounted with a base 54, and a connecting rod 55 is detachably fixedly mounted between the two bases 54.

[0027] In this embodiment, combined with the Figure 3 As shown, the angle rotating rod assembly 6 includes a right tube seat 61 and a left tube seat 62 which is detachably installed with the right tube seat 61. The inner circle formed by the right tube seat 61 and the left tube seat 62 are adapted to the size of the detection axis 51. A rotating rod 63 is integrally provided on one side of the right tube seat 61. The rotating rod 63 is perpendicular to the outer tangent of the inner circle. A horizontal position sensor 64 is fixedly installed on the upper part of the rotating rod 63. An arc plate 65 is provided on the outer end of the rotating rod 63. A plate seat 66 is detachably installed at the lower part of the arc plate 65. A locking bolt 67 is installed on one side of the left tube seat 62.

[0028] In this embodiment, combined with the Figure 4As shown, the leveling pad assembly 7 includes a pad 71 , a plug board 72 is inserted into a slot provided in the upper portion of the pad 71 , and a lower pressure frame 73 is integrally provided on the upper portion of the plug board 72 .

[0029] In this embodiment, specifically, a worm gear reducer 8 is placed inside the detection platform 1.

[0030] In this embodiment, specifically, the reducer input shaft 81 of the worm gear reducer 8 is arranged opposite to the three-jaw clamp 31 .

[0031] In this embodiment, specifically, the reducer output shaft 82 of the worm gear reducer 8 is adapted to the socket 511 .

[0032] In this embodiment, specifically, the pad 71 is placed inside the detection platform 1 .

[0033] In this embodiment, specifically, the two bases 54 are detachably installed inside the detection platform 1 .

[0034] In this embodiment, specifically, the reducer output shaft 82 of the worm gear reducer 8 is arranged to be opposite to the detection shaft 51 .

[0035] In this embodiment, specifically, the plate seat 66 is detachably fixedly installed inside the detection platform 1 .

[0036] In this embodiment, specifically, the curvature of the arc plate 65 is the curvature of a circle, the circle where the arc plate 65 is located is concentric with the detection axis 51 , and a circular scale is engraved on the arc plate 65 .

[0037] In this embodiment, specifically, the right tube seat 61 and the left tube seat 62 are fixedly installed on the outside of the detection shaft 51 .

[0038] How it works

[0039] In the present invention, the photoelectric encoder 53, the horizontal position sensor 64 and the cylinder 2 are all electrically connected to the controller 4. During the detection, the cylinder 2 drives the pressure plate 21 to move downward, so that the pressure plate 21 fixes the worm gear reducer 8 on the detection table 1, and the pad 71 is placed on the lower part of the rotating rod 63. The reducer input shaft 81 is rotated so that the rotating rod 63 is placed on the pad 71. The user manually presses the lower pressure frame 73, and then fixes the right pipe seat 61 and the left pipe seat 62 to the detection shaft 51 and fixes them through the locking bolt 67, so that the rotating rod 63 is in a horizontal state. After it is fixed, the pad 71 is taken out from under the rotating rod 63, the detection shaft 51 is key-connected and fixed with the reducer output shaft 82, and the reducer input shaft 81 is fixed by the three-jaw clamp 31. When the user rotates the rotating rod 63, the photoelectric encoder 53 detects the rotation angle of the detection shaft 51 and transmits the data to the controller 4, so as to detect the normal side clearance. When the user rotates the rotating rod 63, the normal side clearance can be intuitively detected by the rotation angle of the outer end of the rotating rod 63 relative to the arc plate 65.

[0040] Utilizing the technical solution described in the present invention, or those skilled in the art designing a similar technical solution inspired by the technical solution of the present invention to achieve the above-mentioned technical effects, all fall within the protection scope of the present invention.

Claims

1. A worm gear reducer worm gear normal backlash detection device, characterized in that: The worm gear reducer worm gear normal backlash detection device comprises a detection platform (1), a cylinder (2) is fixedly mounted on the upper part of the detection platform (1), a pressure plate (21) is fixedly mounted on the lower end of the output rod of the cylinder (2), a side frame (3) is fixedly mounted on one side of the detection platform (1), a three-claw clamp (31) is fixedly mounted on one side of the side frame (3), a controller (4) is fixedly mounted on the other side of the side frame (3), a photoelectric detection shaft assembly (5), an angle rotating rod assembly (6), and a leveling pad assembly (7) are also arranged in the detection platform (1), the photoelectric detection shaft assembly (5) comprises a detection shaft (51), a socket (511) is provided at one end of the detection shaft (51), a bearing seat (52) is mounted on one end of the detection shaft (51), a photoelectric encoder (53) is mounted on the other end of the detection shaft (51), a base (54) is detachably fixedly mounted on the lower parts of the bearing seat (52) and the photoelectric encoder (53), and both sides of the bearing seat (52) and the photoelectric encoder (53) are fixedly mounted with a base (54), and the two sides of the bearing seat (52) and the photoelectric encoder (53) are fixedly mounted with a base (54). A connecting rod (55) is detachably fixedly installed between the bases (54), and the angle rotating rod assembly (6) includes a right tube seat (61) and a left tube seat (62) detachably mounted with the right tube seat (61). The inner circle formed by the right tube seat (61) and the left tube seat (62) are matched with the size of the detection axis (51). A rotating rod (63) is integrally provided on one side of the right tube seat (61). The rotating rod (63) is perpendicular to the outer tangent line of the inner circle. The rotating rod (63) A horizontal position sensor (64) is fixedly installed on the upper part, an arc plate (65) is matched with the outer end of the rotating rod (63), a plate seat (66) is detachably installed on the lower part of the arc plate (65), a locking bolt (67) is installed on one side of the left pipe seat (62), and the leveling pad assembly (7) includes a pad (71), a plug plate (72) is inserted into a slot provided on the upper part of the pad (71), and a lower pressure frame (73) is integrally provided on the upper part of the plug plate (72).

2. The worm gear normal backlash detection device of the worm gear reducer according to claim 1, characterized in that: A worm gear reducer (8) is placed inside the detection platform (1).

3. The worm gear normal backlash detection device of the worm gear reducer according to claim 1, characterized in that: The reducer input shaft (81) of the worm gear reducer (8) is arranged opposite to the three-jaw clamp (31).

4. The worm gear normal backlash detection device of the worm gear reducer according to claim 1, characterized in that: The reducer output shaft (82) of the worm gear reducer (8) is adapted to the socket (511).

5. The worm gear normal backlash detection device of a worm gear reducer according to claim 1, characterized in that: The pad (71) is placed inside the detection platform (1).

6. The worm gear normal backlash detection device of a worm gear reducer according to claim 1, characterized in that: The two bases (54) are detachably mounted inside the detection platform (1).

7. The worm gear normal backlash detection device of a worm gear reducer according to claim 1, characterized in that: The reducer output shaft (82) of the worm gear reducer (8) is arranged to be aligned with the detection shaft (51).

8. The worm gear normal backlash detection device of a worm gear reducer according to claim 1, characterized in that: The plate seat (66) is detachably fixedly mounted inside the detection platform (1).

9. The worm gear normal backlash detection device of a worm gear reducer according to claim 1, characterized in that: The curvature of the arc plate (65) is the curvature of a circle, and the circle where the arc plate (65) is located is concentrically arranged with the detection axis (51).

10. The worm gear normal backlash detection device of a worm gear reducer according to claim 1, characterized in that: The right tube seat (61) and the left tube seat (62) are fixedly installed outside the detection shaft (51).

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