Auxiliary detection device for gear meshing clearance

Abstract

The utility model discloses a gear meshing clearance auxiliary detection device which comprises a base plate, the base plate is provided with a support assembly, a pressing assembly, a locking assembly and a detection assembly, the pressing assembly is used for fixing a workpiece to be detected on the support assembly, the locking assembly is used for fixing a rotating shaft of the workpiece to be detected, and the detection assembly is used for detecting the rotating shaft of the workpiece to be detected. The detection assembly comprises a detection limiting plate, a handle matched with the detection limiting plate and a displacement sensor; the displacement sensor is installed on a workpiece to be detected, and a detection head of the displacement sensor has the compression amount of 2-3 mm. Under the condition that the underwater assembly driving gear and the positive gear are assembled, the tensioning mechanism and the positioning mechanism are selected according to different product requirements, so that the meshing clearance between the driving gear and the positive gear is conveniently detected, the conformity of gear assembly is effectively reflected in time, the production efficiency is improved, and meanwhile, the product quality is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of outboard engine production and assembly aids, in particular to an auxiliary detection device for gear meshing clearance. Background Technique

[0002] With the wide use of outboard engines, it is particularly important to detect the compliance of the assembly meshing clearance of the spiral bevel gear of the underwater assembly, which is the core key component of the outboard engine power conversion and transmission device. Although there are a large number of assembly auxiliary tools on the market, the current assembly technology still has deficiencies. The auxiliary tools on the market all have large detection errors, or are inconvenient to use and have low efficiency.

[0003] Defects and deficiencies of the prior art: It is impossible to directly and quickly measure the meshing clearance of the spiral bevel gear of the assembled underwater assembly. Summary of the Utility Model

[0004] In order to solve the above-mentioned defects and deficiencies in the prior art, the utility model provides an auxiliary detection device for gear meshing clearance, which, when the assembly of the driving gear and the forward gear of the underwater assembly is completed, selects a tensioning mechanism and a positioning mechanism according to different product requirements, so as to facilitate the detection of the meshing clearance between the driving gear and the forward gear, timely and effectively reflect the compliance of gear assembly, improve production efficiency, and ensure product quality at the same time.

[0005] To achieve the above object, the utility model provides the following technical solution: An auxiliary detection device for gear meshing clearance, comprising a bottom plate, on which a bracket assembly, a pressing assembly, a locking assembly and a detection assembly are provided. The pressing assembly is used to fix the workpiece to be detected on the bracket assembly, the locking assembly is used to fix the rotating shaft of the workpiece to be detected, and the detection assembly includes a detection limit plate, a handle cooperating with the detection limit plate and a displacement sensor; the displacement sensor is installed on the workpiece to be detected, and the detection head of the displacement sensor has a compression amount of 2-3 mm.

[0006] Preferably, the pressing assembly includes a pressing cylinder, a pressing start button, a pressing head, a pull rod and a limit plate. The pressing start button is arranged on the pressing cylinder, the pressing head and the pull rod are arranged below the pressing cylinder, the limit plate is arranged below the pull rod, and the pressing cylinder is connected to the workpiece to be detected through the pull rod and the limit plate.

[0007] Preferably, the locking assembly includes a locking cylinder, a locking start button and a pressing head. The pressing head is connected to the left side of the locking cylinder, the locking start button is arranged on the locking cylinder, and the right side of the locking cylinder is connected to the handle and the detection limit plate.

[0008] Preferably, the bracket assembly includes a bracket and a manual pressing block mounted on the bracket. The manual pressing block is a quick locking head, which is located between the pressing assembly and the locking assembly.

[0009] Preferably, a displacement sensor support device for installing a displacement sensor is provided on the workpiece to be detected, and a displacement sensor protective cover is provided outside the displacement sensor.

[0010] Preferably, the displacement sensor is connected to the detection button and the detection computer through a data line.

[0011] In the case where the assembly of the driving gear and the forward gear of the underwater assembly of the present utility model is completed, according to different product requirements, the tensioning mechanism and the positioning mechanism are selected to facilitate the detection of the meshing clearance between the driving gear and the forward gear, effectively and timely reflect the compliance of the gear assembly, improve production efficiency, and ensure product quality at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a structural schematic diagram of the present utility model;

[0013] Figure 2 is a structural schematic diagram of the present utility model after removing the displacement sensor protective cover;

[0014] In the figure: 1 - bottom plate, 2 - workpiece to be detected, 3 - limit plate, 4 - pull rod, 5 - start button, 6 - pressing cylinder, 7 - pressing head, 8 - pressure head, 9 - locking cylinder, 10 - handle, 11 - detection limit plate, 12 - displacement sensor support device, 13 - bracket assembly, 14 - pressing block, 15 - displacement sensor protective cover, 16 - locking start button, 17 - displacement sensor, 18 - data line, 19 - detection button, 20 - detection computer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0016] Example 1 Refer to Figure 1-2, a gear meshing detection auxiliary device, including a bottom plate 1, a bracket assembly 13 is provided inside the bottom plate 1, a manual pressing block 14 is provided inside the bracket 13, a start button 5 is provided below the pressing cylinder 6, a pressing head 7 is provided below the pressing cylinder 6, a pull rod 4 is provided below the pressing cylinder 6, a limiting plate 3 is provided below the pull rod, a displacement sensor 17 is provided on the right side of the displacement sensor support device 12, and a displacement sensor protective cover 15 is provided outside the displacement sensor 17. A pressing head 8 is connected to the left side of the locking cylinder 9, a locking start button 16 is connected to the right side of the locking cylinder 9, a handle 10 is connected to the right side of the locking cylinder 9, and a detection limiting plate 11 is connected to the right side of the locking cylinder 9.

[0017] In the use of the second embodiment of the present invention, it is necessary to first connect the air pipes of the pressing cylinder 6 and the locking cylinder 9, connect the displacement sensor 16 to the detection button 19 and the detection computer 20 through the data line 18, connect the pressing cylinder 6 to the workpiece to be detected 2 through the pull rod 4 and the limiting plate 3, start the start button 5, and the pressing cylinder 6 drives the pressing head 7 to move downward to fix one end of the workpiece to be detected 2 on the bracket assembly 13 through the limiting plate 3; in addition, fix the middle part of the workpiece to be detected 2 on the bracket assembly 13 through the manual pressing block 14 (to further ensure the firm fixation of the workpiece to be detected 2), then pass the locking cylinder 9 through the workpiece to be detected 2 and fix it with the connecting handle 10, start the locking start button 16 on the locking cylinder 9 to fix the rotating shaft of the workpiece to be detected 2, install the displacement sensor support device 12 on the workpiece to be detected 2, make the detection head of the displacement sensor 17 contact the detection limiting plate 11, and there is a compression amount of 2-3 mm for the detection head of the displacement sensor 17. Push the handle 10 forward and backward respectively, and at the same time press the detection button 19. The detection computer 20 respectively collects the displacements of the displacement sensor 17 twice and calculates the difference, which is the gear meshing clearance.

[0018] According to the above embodiments, the present invention can be well realized. It is worth noting that on the premise of the above structural design, in order to solve the same technical problems, even if some non-substantive changes or refinements are made to the present invention, the essence of the technical solutions adopted is still the same as that of the present invention, so it should also be within the protection scope of the present invention.

[0019] The manual pressing block in the present invention is a conventional component purchased on the market, and its specific structure and pressing principle are both conventional means, so no detailed description will be given.

[0020] Note that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

Claims

1. An auxiliary detection device for gear meshing clearance, comprising a bottom plate (1), characterized in that: A support assembly, a pressing assembly, a locking assembly and a detection assembly are provided on the bottom plate (1). The pressing assembly is used to fix the workpiece to be detected (2) on the support assembly. The locking assembly is used to fix the rotating shaft of the workpiece to be detected (2). The detection assembly includes a detection limit plate (11), a handle (10) cooperating with the detection limit plate (11) and a displacement sensor (17). The displacement sensor (17) is installed on the workpiece to be detected (2), and the detection head of the displacement sensor (17) has a compression amount of 2-3 mm.

2. The auxiliary detection device for gear meshing clearance according to claim 1, wherein: The pressing assembly includes a pressing cylinder (6), a pressing start button (5), a pressing head (7), a pull rod (4) and a limit plate (3). The pressing start button (5) is arranged on the pressing cylinder (6). The pressing head (7) and the pull rod (4) are arranged below the pressing cylinder (6). The limit plate (3) is arranged below the pull rod (4). The pressing cylinder (6) is connected to the workpiece to be detected (2) through the pull rod (4) and the limit plate (3).

3. The auxiliary gear meshing clearance detection device according to claim 1, characterized in that: The locking assembly includes a locking cylinder (9), a locking start button (16) and a pressing head (8). The pressing head (8) is connected to the left side of the locking cylinder (9). The locking start button (16) is arranged on the locking cylinder (9). The right side of the locking cylinder (9) is connected to the handle (10) and the detection limit plate (11).

4. The auxiliary detection device for gear meshing clearance according to claim 1, characterized in that: The support assembly includes a support (13) and a manual pressing block (14) installed on the support (13). The manual pressing block (14) is a quick locking head, which is located between the pressing assembly and the locking assembly.

5. An auxiliary detection device for the gear meshing clearance according to claim 2, characterized in that: A displacement sensor support device (12) for installing the displacement sensor (17) is provided on the workpiece to be detected (2). A displacement sensor protective cover (15) is arranged outside the displacement sensor (17).

6. The auxiliary gear meshing clearance detection device according to claim 2, characterized in that: The displacement sensor (17) is connected to a detection button (19) and a detection computer (20) through a data line (18).

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