A device and method for detecting the wear of a gear sleeve

Abstract

The present invention provides a device and a method for detecting the wear of a gear sleeve, including a base (1), a gear-shaped sleeve (2), a support rod (3) and a limit plate (5); the gear-shaped sleeve (2) is installed on the base (1) and is used for meshing connection with the gear sleeve (11) to be detected; one end of the support rod (3) is installed on the base (1) and is used for supporting the limit plate (5); the combination of the limit plate (5) and the gear-shaped sleeve (2) is used for detecting the gear sleeve (11) to be detected. In the present invention, the lead screw installed with the gear sleeve to be detected is rotated to perform an axial displacement relative to the gear-shaped sleeve, and the displacement range of the lead screw is limited by the limit plate. When the limit plate contacts the lead screw, it is determined whether the lead screw can still rotate to judge whether the gear sleeve to be detected meets the wear clearance range. The present invention has the characteristics of low cost and rapid detection.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical maintenance, and particularly relates to a device and a method for detecting the wear of a gear sleeve. Background Art

[0002] Locomotive maintenance is an activity of disassembling, inspecting, and repairing to ensure that the structural components of the locomotive are still within their usable range during long-term operation. One of the core tasks is to check the wear degree of easily worn parts. Parts such as lead screws and gear sleeves are easily worn parts for brake products, so their wear conditions need to be accurately grasped. For the C6 maintenance stage, all gear sleeves need to be fully dimensionally inspected and judged whether they are usable within the wear range. Summary of the Invention

[0003] The purpose of the present invention is to overcome the deficiencies in the above-mentioned prior art, and provides a device and a method for detecting the wear of a gear sleeve, which can quickly judge whether the wear condition of the gear sleeve exceeds the standard requirements.

[0004] To achieve the above purpose, the present invention provides a device and a method for detecting the wear of a gear sleeve, including a base, a tooth-shaped sleeve, a support rod, and a limit plate; the tooth-shaped sleeve is installed on the base and is used for meshing connection with the gear sleeve to be detected; one end of the support rod is installed on the base, and the other end is connected with a limit plate for supporting the limit plate; the combination of the limit plate and the tooth-shaped sleeve is used for detecting the gear sleeve to be detected.

[0005] Preferably, a limit component for limiting and fixing the limit plate is further provided on the support rod.

[0006] As a further solution of the present invention: the limit component includes a positioning sleeve and a locking nut for limiting the limit plate, and the limit plate is arranged between the positioning sleeve and the locking nut.

[0007] As a further solution of the present invention: a feeler gauge is further arranged between the lead screw and the limit plate, and the feeler gauge is used for adjusting the allowable clearance of the gear sleeve to be detected.

[0008] As a further solution of the present invention: the thickness of the feeler gauge is set according to the maximum clearance size allowed for the gear sleeve to be detected during the design process.

[0009] Preferably, at least one feeler gauge with different thicknesses is provided.

[0010] A method for detecting the wear of a gear sleeve, the method for detecting the wear of the gear sleeve is specifically as follows:

[0011] Step 1: Install the device for detecting the wear of the gear sleeve, and connect the gear sleeve to be detected with the lead screw to form a detected component;

[0012] Step 2: Meshingly connect the detected gear sleeve in the detected component with the tooth profile sleeve, and make the end of the lead screw in the detected component contact the limit plate through a feeler gauge;

[0013] Step 3: Take out the feeler gauge;

[0014] Step 4: Rotate the detected component for axial displacement until the end of the lead screw contacts and connects with the limit plate; if the detected component can still be rotated, it means that the wear of the detected gear sleeve has exceeded the maximum clearance size acceptable during the design process, and the detected gear sleeve is a non-conforming product; if the detected component can no longer be rotated, it means that the wear of the detected gear sleeve is still within the maximum clearance size range acceptable during the design process, and the detected gear sleeve is a qualified product.

[0015] Preferably, when detecting the wear of the gear sleeve, the thickness of the feeler gauge is selected according to the maximum clearance size acceptable for the detected gear sleeve during the design process.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] (1) In the present invention, the lead screw installed with the detected gear sleeve is rotated to perform axial displacement relative to the tooth profile sleeve, and the displacement range of the lead screw is limited by the limit plate. When the limit plate is in contact connection with the lead screw, whether the lead screw can still be rotated is used to determine whether the detected gear sleeve meets the wear clearance range. The present invention has the characteristics of low cost and rapid detection.

[0018] (2) In the present invention, according to the requirements of the overhaul design specification, the depth of the gear sleeve is detected. The meshing depth between the gear sleeves is checked by rotating the product to be inspected so that the wear amount is checked through the length clearance, and the principle of the feeler gauge (feeler) is used to detect the clearance, thereby realizing the rapid detection of the wear amount of the gear sleeve.

[0019] (3) In the present invention, by setting the feeler gauge, the allowable meshing clearance of the gear sleeve is set to achieve the accuracy of detection.

[0020] (4) In the present invention, the feeler gauge is designed as a standard part composed of several pieces to adapt to the detection according to the allowable meshing clearances of different gear sleeves.

[0021] In addition to the purposes, features and advantages described above, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the drawings. Description of the Drawings

[0022] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0023] Figure 1 is the front view schematic diagram of the overall structure of the present invention;

[0024] Figure 2 is the front view schematic diagram of the overall structure after the screw rod with the to-be-detected gear sleeve installed is connected to the present invention.

[0025] Among them:

[0026] 1. Base, 2. Gear-shaped sleeve, 3. Cylinder, 4. Feeler gauge, 5. Limiting plate, 6. Locking nut, 7. Locking screw rod, 8. Positioning sleeve, 9. Locking screw, 10. Screw rod, 11. To-be-detected gear sleeve. Specific embodiments

[0027] In order to make the above objects, features, and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the drawings of the present invention are all in simplified forms and use non-precise scales, only for conveniently and clearly assisting in explaining the implementation of the present invention; the several mentioned in the present invention are not limited to the specific quantities in the attached drawing examples; the orientation or positional relationships indicated by 'front', 'center', 'back', 'left', 'right', 'up', 'down', 'top', 'bottom','middle', etc. in the present invention are all based on the orientation or positional relationships shown in the drawings of the present invention, and do not indicate or imply that the devices or components referred to must have a specific orientation, nor can it be understood as a limitation to the present invention.

[0028] In this embodiment:

[0029] See Figure 1 As shown, a device and method for detecting the wear of a gear sleeve provided by the present invention include a base 1, a gear-shaped sleeve 2, a support rod 3, a limiting plate 5, a locking nut 6, a locking screw rod 7, a positioning sleeve 8, and a locking screw 9; the gear-shaped sleeve 2 is installed on the base 1, and the gear-shaped sleeve and the base 1 are fixedly locked by the locking screw 9 for meshing connection with the to-be-detected gear sleeve 11; one end of the support rod 3 is installed on the base 1, and a positioning sleeve 8, a limiting plate 5, and a locking nut 6 are sequentially connected from bottom to top at the other end. The positioning sleeve 8 is fixedly locked with the support rod 3 through the locking screw rod 7, and the limiting plate 5 is limited and fixed by the locking nut 6.

[0030] Preferably, in order to control the gap between the limiting plate 5 and the screw rod 10 with the to-be-detected gear sleeve 11 installed, a feeler gauge 4 is further provided between the screw rod 10 and the limiting plate 5.

[0031] Preferably, the thickness of the feeler gauge 4 is consistent with the maximum gap size that the to-be-detected gear sleeve 11 can accept during the design process, and the feeler gauge 4 is a standard part with different thicknesses according to different to-be-detected gear sleeves 11.

[0032] See Figure 2 As shown, the specific steps for detecting the wear of the gear sleeve by applying the present invention are as follows:

[0033] Step 1: Install a device for detecting the wear of the gear sleeve, and connect the gear sleeve 11 to be detected with the lead screw 10 to form a detected assembly;

[0034] Step 2: Meshingly connect the gear sleeve 11 to be detected in the detected assembly with the gear-shaped sleeve 2, and the end of the lead screw in the detected assembly is in contact with the limit plate 5 through the feeler gauge 4;

[0035] Step 3: Take out the feeler gauge 4;

[0036] Step 4: Rotate the detected assembly (such as rotating the lead screw 10) for axial displacement until the end of the lead screw 10 is in contact connection with the limit plate 5 (at this time, the detected assembly has moved a displacement equal to the thickness of the feeler gauge along the axial direction); if the detected assembly can still be rotated, it means that the wear of the gear sleeve 11 to be detected has exceeded the maximum clearance size acceptable in the design process, and the gear sleeve 11 to be detected is a non-conforming product; if the detected assembly can no longer be rotated, it means that the wear of the gear sleeve 11 to be detected is still within the maximum clearance size acceptable in the design process, and the gear sleeve 11 to be detected is a qualified product.

[0037] Preferably, the thickness of the feeler gauge 4 is selected according to the maximum clearance size acceptable for the gear sleeve 11 to be detected in the design process.

[0038] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A device for detecting the wear of a gear sleeve, characterized in that, It includes a base (1), a toothed sleeve (2), a support rod (3), a limit plate (5) and a lead screw (10); The toothed sleeve (2) is installed on the base (1) and is used for meshing connection with the toothed sleeve to be detected (11); One end of the support rod (3) is installed on the base (1), and a limit plate (5) is connected to the other end for supporting the limit plate (5); The combination of the limit plate (5) and the toothed sleeve (2) is used for detecting the toothed sleeve to be detected (11); The toothed sleeve to be detected (11) is installed on the lead screw (10). One end of the lead screw (10) is installed on the base (1). A feeler gauge (4) is provided between the other end of the lead screw (10) and the limit plate (5). The feeler gauge (4) is used for adjusting the allowable clearance of the toothed sleeve to be detected (11).

2. The device according to claim 1, characterized in that, A limit component for limiting and fixing the limit plate (5) is also provided on the support rod (3).

3. The device according to claim 2, characterized in that: The limit component includes a positioning sleeve (8) and a lock nut (6) for limiting the limit plate (5). The limit plate (5) is arranged between the positioning sleeve (8) and the lock nut (6).

4. The device according to claim 1, wherein The thickness of the feeler gauge (4) is set according to the maximum clearance size allowed for the toothed sleeve to be detected (11) during the design process.

5. The device according to claim 1, characterized in that, At least one feeler gauge (4) with different thicknesses is provided.

6. A method for detecting the wear of a gear sleeve, characterized in that, The method for detecting the wear of a toothed sleeve by applying the device according to any one of claims 1-5 is as follows: Step 1: Install the device for detecting the wear of the toothed sleeve, and connect the toothed sleeve to be detected (11) and the lead screw (10) to form a detected component; Step 2: Mesh the toothed sleeve to be detected (11) in the detected component with the toothed sleeve (2), and the end of the lead screw in the detected component is in contact with the limit plate (5) through the feeler gauge (4); Step 3: Take out the feeler gauge (4); Step 4: Rotate the detected component for axial displacement until the end of the lead screw (10) is in contact with the limit plate (5); If the detected component can still be rotated, it means that the wear of the toothed sleeve to be detected (11) has exceeded the maximum clearance size acceptable during the design process, and the toothed sleeve to be detected (11) is a non-conforming product; If the detected component can no longer be rotated, it means that the wear of the toothed sleeve to be detected (11) is still within the maximum clearance size range acceptable during the design process, and the toothed sleeve to be detected (11) is a qualified product.

7. The device according to claim 6, characterized in that, The selection of the thickness of the feeler gauge (4) is based on the maximum clearance size acceptable for the toothed sleeve to be detected (11) during the design process.

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