Tool for measuring window spacing difference of clutch retainer

Abstract

The utility model relates to a clutch retainer window spacing difference measuring tool comprising a mounting support fixed on a workbench and provided with a measuring sleeve in an inserted manner; the measuring sleeve comprises an outer cylinder; a plurality of edge teeth which are arranged at certain intervals are arranged along the circumference of the outer cylinder, each edge tooth comprises a wide tooth and other standard teeth, the wide teeth are wider than the other standard teeth, and the clutch retainer is inserted into the outer cylinder and is coaxially arranged with the outer cylinder; the clutch retainer is pressed and fixed by a fork-shaped pressing plate; during working, after the clutch retainer is installed in the measuring sleeve, one connecting strip of the clutch retainer is tightly attached to the wide teeth and is pressed and fixed through the fork-shaped pressing plate, at the moment, certain gaps exist between other windows of the clutch retainer and other standard teeth, and a filler gauge is plugged into the measuring sleeve to measure the gaps so as to obtain the distance difference value. The beneficial effects of the utility model are that the measurement mode is time-saving and labor-saving, the measurement is accurate, and the measurement efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of cage measurement, in particular to a tool for measuring the window spacing difference of a clutch cage. Background Art

[0002] The clutch retainer is a crucial component connecting the clutch and transmission. Its function is to evenly space the rolling elements, reduce friction and wear, and adjust the wedge angle to enhance the locking function, thereby securing the clutch and synchronizing it with the transmission for smooth power transmission. A damaged clutch retainer can prevent the clutch from functioning properly. The clutch retainer has multiple, evenly spaced connecting strips axially arranged between the coaxial upper and lower circular frames. These strips divide the upper and lower frames of the clutch retainer into multiple windows. Before using the clutch retainer, the spacing difference between the multiple windows must be measured.

[0003] However, there is currently no measuring tool designed specifically for measuring the window spacing difference of the clutch retainer. Manual measurement is usually used. This method is difficult to measure the accurate difference and is very time-consuming and labor-intensive, resulting in relatively low measurement efficiency and quality.

[0004] Therefore, based on the problems and deficiencies reported by customers, the inventors have made further improvements to overcome the above problems. Utility Model Content

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a measuring tool for measuring the window spacing difference of a clutch retainer in a time-saving and labor-saving manner with accurate measurement and high measurement efficiency.

[0006] The purpose of the utility model is achieved by the following technical solutions: a measuring tool for the spacing difference of the windows of a clutch retainer, the clutch retainer includes an upper frame and a lower frame arranged coaxially, and a plurality of connecting strips arranged axially between the upper and lower frames and spaced evenly along the circumference, the plurality of connecting strips separating the upper and lower frames into a plurality of windows, including:

[0007] A mounting bracket, which is fixed on the workbench and on which a measuring sleeve is inserted;

[0008] The measuring sleeve includes an outer cylinder; a plurality of ridge teeth are provided along the circumference of the outer cylinder at a predetermined interval, the ridge teeth including a wide tooth and the remaining standard teeth, the wide tooth being wider than the other standard teeth; a clutch retainer is inserted into the outer cylinder and is arranged coaxially with the outer cylinder;

[0009] Fork-shaped pressure plate, after the clutch holder is appropriately inserted into the measuring sleeve, the fork-shaped pressure plate presses and fixes the clutch holder;

[0010] During operation, after installing the clutch retainer into the measuring sleeve, make one of the connecting bars of the clutch retainer close to the wide teeth and use the fork-shaped pressure plate to press and fix the clutch retainer. At this time, there is a certain gap between the remaining windows of the clutch retainer and the remaining standard teeth of the measuring sleeve. Insert a feeler gauge to measure the gap and obtain the spacing difference.

[0011] As a preferred technical solution of this application, the measuring sleeve also includes an inner cylinder; a coaxial outer cylinder is opened along the circumference of the outer wall of the inner cylinder, a circular ring gap is set between the inner cylinder and the outer cylinder, the clutch retainer is inserted into the circular ring gap and the clutch retainer is set outside the inner cylinder.

[0012] As the preferred technical solution of this application, the depth of the ring spacing is just enough to enable the clutch retainer to be inserted into the measuring sleeve adaptably, the lower frame of the clutch retainer rests on the inner bottom surface of the ring spacing, and the edge of its upper frame is flush with the circular surface of the outer cylinder.

[0013] As a preferred technical solution of the present application, the fork-shaped pressure plate further includes a bolt;

[0014] There is a circular hole in the center of the fork pressure plate, and when the fork pressure plate is aligned with the assembled clutch holder and measuring sleeve, the bolt is inserted into the circular hole and tightened to the inner cylinder base so that the fork pressure plate presses the clutch holder immobile.

[0015] As a preferred technical solution of the present application, a long bolt hole is opened in the inner cylinder base, and when the bolt of the fork-shaped pressure plate is inserted into the base, the bolt is inserted into the long bolt hole.

[0016] As a preferred technical solution of the present application, the measuring sleeve is rotatably connected to the mounting bracket, and a hand-pull positioning component is provided on the mounting bracket; when the positioning component is pulled out, the measuring sleeve can rotate, and when the positioning component is reset, the measuring sleeve is limited and fixed.

[0017] As a preferred technical solution of the present application, the positioning component includes a sleeve, and an inner shaft and a spring inserted therein;

[0018] The sleeve is fixed to the mounting bracket, and the sleeve has an inner cavity;

[0019] The inner shaft is arranged in the sleeve, and a spring is sleeved on the inner shaft. One end of the spring presses against the inner shaft, and the other end presses against the inner end surface of the sleeve. The end of the inner shaft passes through the sleeve and extends out to connect the handle. When the handle is pulled outward, the inner shaft retracts in the sleeve and compresses the spring. When the handle is released, the inner shaft extends due to the rebound of the spring.

[0020] As a preferred technical solution of the present application, a plurality of positioning holes are provided along the circumference of the measuring sleeve base. When the positioning component is reset, the inner shaft is inserted into the corresponding positioning hole to fix the measuring sleeve.

[0021] The utility model has the following advantages:

[0022] (1) The measurement method saves time and effort and the measurement value is more accurate;

[0023] Currently, the window spacing difference of the clutch retainer is measured manually, but this measurement method is difficult, time-consuming and labor-intensive, resulting in low measurement efficiency and inaccurate measurement values. The measuring tool designed in this scheme can clamp the clutch retainer and use the measuring sleeve provided on the tool itself for measurement. The position where the measuring sleeve contacts the connecting strip of the clutch retainer window is designed to have multiple ridges, and one of the ridges is a wide tooth, which is wider than other standard teeth. When the clutch retainer is inserted and the side of its connecting strip is fitted with the side of the wide tooth, the gap formed at other parts is measured with a feeler gauge, and the value obtained is the spacing difference. This insertion fixture measurement can convert the large spacing to be measured into a small spacing, so that it can be easily measured by inserting the feeler gauge, which saves time and effort and provides more accurate measurement values.

[0024] (2) It is convenient for measurement and improves measurement efficiency;

[0025] The measuring sleeve designed in this scheme can rotate, and the clutch retainer inserted therein is fixed in the measuring sleeve due to the locking of the fork-shaped pressure plate. When the measuring sleeve rotates, the clutch retainer therein is driven to rotate together, so that after measuring the window spacing difference of the upper half of the clutch retainer, the measuring sleeve is rotated to measure the window spacing difference of the lower half. At the same time, a hand-pull positioning component is provided on the mounting bracket, which cooperates with the positioning hole on the base of the measuring sleeve. After rotating to the specified position, the measuring sleeve is limited. This tooling can measure the entire clutch retainer after one assembly, and the work efficiency is relatively high. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the clutch retainer tested in the present utility model;

[0027] Figure 2 This is a schematic structural diagram of the utility model after the clutch retainer is assembled from the first perspective;

[0028] Figure 3 This is a schematic structural diagram of the utility model after the measuring sleeve and the clutch retainer are installed, viewed from a half-section perspective;

[0029] Figure 4 This is a schematic structural diagram of the utility model after the measuring sleeve and the clutch retainer are installed, viewed from a second perspective;

[0030] Figure 5 This is a schematic structural diagram of the utility model after the measuring sleeve and the positioning component are installed from a first perspective;

[0031] Figure 6This is a schematic structural diagram of the measuring sleeve of the utility model from the first perspective;

[0032] Figure 7 This is a schematic structural diagram of the fork-shaped pressing plate of the utility model from the first perspective;

[0033] Figure 8 This is a structural diagram of the positioning component of the utility model from the first perspective;

[0034] Figure 9 This is a schematic structural diagram of a half-section view of the positioning component of the utility model;

[0035] In the figure: 1-mounting bracket, 2-outer cylinder, 3-inner cylinder, 4-wide teeth, 5-standard teeth, 6-clutch retainer, 7-connecting bar, 8-mounting shaft, 9-fork pressure plate, 10-bolt, 11-sleeve, 12-nut, 13-spring, 14-handle, 15-positioning hole, 16-large diameter section, 17-small diameter section, 18-upper frame, 19-lower frame. DETAILED DESCRIPTION

[0036] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0037] It should be noted that the directions or positional relationships indicated by “left”, “right”, etc. are based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the invented product is usually placed when in use, or are the directions or positional relationships commonly understood by those skilled in the art. Such terms are only used to facilitate the description of the present invention and simplify the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0038] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions therein can be combined with each other.

[0039] It should be noted that the clutch retainer 6 currently used includes upper and lower circular frame frames arranged coaxially, and multiple connecting strips 7 arranged at equal intervals along the circumference and axially between the upper and lower frame frames 19, and the multiple connecting strips 7 divide the upper frame frame 18 and the lower frame 19 into multiple grid windows.

[0040] When repairing and testing the quality of the current clutch retainer 6 , it is necessary to detect the spacing difference of each window. However, there is no suitable auxiliary measurement tool on the current market, resulting in low measurement efficiency and inaccurate measurement.

[0041] Therefore, based on the above questions, see Figure 1The utility model proposes a measuring tool for the difference in spacing between 6 windows of a clutch retainer to solve the problem.

[0042] (Example 1)

[0043] See Figures 1 to 9 , This embodiment proposes a measuring tool for the window spacing difference of the clutch retainer 6, comprising a mounting bracket 1, a measuring sleeve, a fork-shaped pressure plate 9 and the clutch retainer 6;

[0044] Among them, see Figure 2 , the lower base plate of the mounting bracket 1 is fixed to the workbench by screws, and a rotatable measuring sleeve is inserted on the upper part of the mounting bracket 1;

[0045] Among them, see Figure 4 and Figure 6 The measuring sleeve includes an outer cylinder 2 and an inner cylinder 3; the inner cylinder 3 is arranged in the outer cylinder 2 and the two are coaxial, and there is a certain annular spacing between the inner cylinder 3 and the outer cylinder 2, and the annular spacing is used to insert the clutch retainer 6;

[0046] Among them, see Figure 5 and Figure 6 , a plurality of ridges are provided on the circumferential side wall of the outer cylinder 2. The ridges are spaced a certain distance apart and one of the ridges (i.e., the wide teeth 4) is wider than the other ridges (i.e., the standard teeth 5). After inserting the clutch retainer 6 into the measuring sleeve, make the wide teeth 4 side of the outer cylinder 2 of the measuring sleeve close to the connecting strip 7 on the side of one of the windows of the clutch retainer 6; align the fork-shaped pressure plate 9 with the measuring sleeve with the clutch retainer 6 installed, insert the bolt 10 into the inner cylinder 3 and tighten it;

[0047] When measuring the clutch retainer 6, first insert the clutch retainer 6 into the annular gap between the outer tube 2 and the inner tube 3, and rotate the clutch retainer 6 so that the side of the connecting strip 7 of one of the windows in the upper and lower frames 19 is in close contact with the side of the wide teeth 4 on the side of the outer tube 2. Then, insert the fork-shaped pressure plate 9 to fix the clutch retainer 6 and the measuring sleeve. Since the other standard teeth 5 of the measuring sleeve are narrower than the wide teeth 4, when the wide teeth 4 are in close contact with one side of one of the windows of the clutch retainer 6, there is a certain gap between the other standard teeth 5 and the other windows of the clutch retainer 6. The gap is the spacing difference of each window. At this time, a feeler gauge is inserted to measure the gap.

[0048] At present, it is necessary to detect the spacing difference between each window of the clutch retainer 6. There is no special auxiliary measuring tool on the market, and direct measurement is difficult, time-consuming and labor-intensive, and the measured value is not accurate enough. This solution designs a measuring tool, which measures the clutch retainer 6 by setting a measuring sleeve. The clutch retainer 6 is installed in conjunction with the measuring sleeve. Since the outer tube 2 of the measuring sleeve is provided with ridges, there is a certain spacing between the ridges, and one of the ridges is wider than the other ridges. The side of one of the connecting strips 7 of the clutch retainer 6 is pressed against the side of the wide tooth 4, and then a feeler gauge is used to measure the gap formed by the remaining standard teeth 5 and the window, thereby changing the measurement of large spacing to the measurement of small spacing, and the spacing difference is measured more accurately and conveniently.

[0049] In this embodiment, refer to Figure 2 As for the mounting bracket 1, the mounting bracket 1 is an L-shaped plate bracket, and its lower base is fixed to the workbench by screws, which is convenient for subsequent measurement of the clutch retainer 6; a measuring sleeve is installed on the upper side plate of the mounting bracket 1, and a through hole is opened in the upper side plate. The measuring sleeve is provided with a mounting shaft 8 passing through the through hole and passing through the end sleeve provided with a nut part 12, and a flat washer is provided between the nut part 12 and the back of the side plate. The flat washer is a circular washer, which is provided on the outside of the end of the mounting shaft 8. The two surfaces of the flat washer are respectively in contact with the nut part 12 and the side plate, so that the measuring sleeve as a whole can be rotatably connected to the mounting bracket 1.

[0050] In this embodiment, refer to Figure 3-Figure 6 For the measuring sleeve, the inner cylinder 3 of the measuring sleeve is hollow, and its base is sealed. A mounting shaft 8 protrudes outward from the center of the measuring sleeve base (that is, toward the outside of the base). The mounting shaft 8 is installed in conjunction with the mounting bracket 1. At the same time, a long bolt 10 hole is provided inside the base. The long bolt 10 hole is opened toward the inside of the base. The fork-shaped pressure plate 9 is pressed and installed with the measuring sleeve through the long bolt 10 hole; a circle of outer cylinder 2 is provided on the outer wall of the inner cylinder 3 of the measuring sleeve along the circumference. The outer cylinder 2 and the inner cylinder 3 are an integral structure and the circular ring spacing between the outer cylinder 2 and the inner cylinder 3 can allow the clutch holder 6 to be fully inserted. The lower frame 19 of the clutch holder 6 is against the inner bottom surface of the circular ring spacing, and the edge of its upper frame 18 is flush with the circular surface of the outer cylinder 2.

[0051] In this embodiment, refer to Figure 4 and Figure 7As for the fork pressure plate 9, when the fork pressure plate 9 is aligned and placed on the outside of the measuring sleeve of the clutch holder 6, the fork pressure plate 9 is attached to the outer surface of the upper frame 18 of the clutch holder 6, and the fan end of the fork pressure plate 9 can just touch the circular edge of the upper frame 18 of the clutch holder 6. There is a circular hole in the center of the fork pressure plate 9, and the bolt 10 is inserted into the circular hole and the bolt 10 is inserted into the long bolt 10 hole inside the inner tube 3 to the base. When the bolt 10 is tightened, the fork pressure plate 9 can press the clutch holder 6 firmly.

[0052] In this embodiment, refer to Figure 4 and Figure 8-Figure 9 , also includes a positioning component, the positioning component is inserted into the side plate of the mounting bracket 1, and the mounting hole is set below the through hole for installing the measuring sleeve, the positioning component includes a sleeve 11, an inner shaft and a spring 13; the sleeve 11 is inserted in the mounting hole, and the sleeve 11 has a mounting surface, the lower surface of the mounting surface is in contact with the back of the side plate of the mounting bracket 1, and the sleeve 11 is fixed to the mounting bracket 1 by screws; there is a through hole in the sleeve 11, the front end of the through hole is a small diameter hole, and the rear end is a large diameter hole, the two intersecting positions form a stepped table, and the inner shaft is divided into a small diameter section 17 and a large diameter section 16, the inner shaft is inserted into the sleeve 11 Through the channel, a spring 13 is sleeved on the small diameter section 17 of the inner shaft, one end of the spring 13 rests on the end surface of the large diameter section 16 of the inner shaft, and the other end of the spring 13 rests on the stepped table inside the sleeve 11; the large diameter section 16 of the inner shaft passes through the sleeve 11 and extends out of the side plate, and the small diameter section 17 of the inner shaft also passes through the sleeve 11 on the other side, and its protruding end is connected to a handle 14, which is fixed to the end of the small diameter section 17 of the inner shaft through a short shaft. When the handle 14 is pulled outward, the inner shaft retracts in the sleeve 11 and compresses the spring 13. When the handle 14 is released, the inner shaft is rebounded due to the rebound effect of the spring 13.

[0053] Further, see Figure 9 A short shaft is also laterally passed through the small diameter section 17 of the inner shaft. When the handle 14 is released and the inner shaft rebounds, the short shaft rests on the sleeve 11, further limiting the position of the inner shaft.

[0054] In this embodiment, refer to Figure 5For the measuring sleeve, a plurality of positioning holes 15 are provided around the circumference on the base of the measuring sleeve, and the lower end of the large-diameter section 16 of the inner shaft can be adaptively inserted into the positioning hole 15 to position the rotatable measuring sleeve; when the measuring sleeve is installed on the mounting bracket 1, the lower end of the inner shaft is inserted into one of the positioning holes 15 of the measuring sleeve. At this time, the measuring sleeve cannot rotate. When the handle 14 is pulled outward, the inner shaft is pulled into the sleeve 11. At this time, the measuring sleeve is not restricted and can rotate; thus, after the clutch holder 6 is installed in the measuring sleeve, after the window spacing difference of the upper half of the clutch holder 6 is measured with a feeler gauge, the measuring sleeve is rotated to measure the window spacing difference of other parts by pulling the positioning component.

[0055] It should be noted that a plurality of positioning holes 15 are provided on the base of the measuring sleeve, so that the measuring sleeve can be rotated to a desired measurement position more accurately and conveniently, which is more convenient.

[0056] The utility model is a measuring tool for the spacing difference of the windows of a clutch holder 6. When measuring the clutch holder 6, the measuring sleeve and the mounting bracket 1 are first connected in cooperation. At this time, the lower end of the inner shaft of the positioning component is inserted into the positioning hole 15 of the base of the measuring sleeve, so that the measuring sleeve cannot rotate. Then the clutch holder 6 is inserted into the measuring sleeve, and the side of the connecting strip 7 of one of the windows of the clutch holder 6 is fitted with the side of the wide tooth 4 of the outer cylinder 2 of the measuring sleeve, and the clutch holder 6 is fixed with a fork-shaped pressing plate 9. Subsequently, a feeler gauge is used to measure the gap between the remaining standard teeth 5 of the measuring sleeve and the other windows of the clutch holder 6 to obtain the required value. After measuring the spacing difference of the upper half, the measuring sleeve is rotated by pulling the positioning component to measure the spacing difference of the lower half. There is no need to take out the clutch holder 6. The measurement can be completed with only one assembly.

[0057] There is no tool designed on the market specifically for assisting in measuring the spacing difference between the windows of the clutch retainer 6. It is very difficult, time-consuming and labor-intensive to manually measure the spacing value of each window, and the measured value is often not accurate enough. In response to the above problems, this solution designs an auxiliary measurement tool and a clamping measurement tool that can fix the measured part, namely the clutch retainer 6, in the tool. The main measuring component set in this solution is a measuring sleeve, which can insert the clutch retainer 6 into the measuring sleeve and fix it by inserting a fork-shaped pressure plate 9 with a bolt 10 into the measuring sleeve where the retainer has been installed. A plurality of ridges with a certain spacing are provided on the outer cylinder 2 of the measuring sleeve, and one of the ridges is fixed to the outer cylinder 2 of the measuring sleeve. The teeth are wide teeth 4, which are wider than other standard teeth 5. The measuring method of this scheme is to insert one of the connecting strips 7 at the window of the clutch retainer 6 into close contact with the wide teeth 4, and at the same time form a gap with the other standard teeth 5 and the corresponding window, so that the window spacing difference to be measured can be changed from a large spacing to a small spacing, and it is measured with a feeler gauge, which is simple and convenient, saves time and effort, and the measurement is very accurate; and the measuring sleeve of this scheme is designed to be rotatable, and at the same time, the positioning component is matched with the measuring sleeve, so that when it is necessary to measure the window spacing difference of the lower half of the clutch retainer 6, the handle 14 of the positioning component can be pulled to rotate the measuring sleeve to the appropriate position. The operation is simple, and the clutch retainer 6 does not need to be removed, and all measurements can be completed in one assembly.

[0058] It should be noted that the stepped table: the diameter of the small diameter channel is smaller than that of the large diameter channel. When the side circular surface of the small diameter channel is coaxially connected with the side circular edge of the large diameter channel, a step-like port will be formed.

[0059] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A tool for measuring the spacing difference between windows of a clutch retainer, wherein the clutch retainer (6) comprises an upper frame (18) and a lower frame (19) arranged coaxially, and a plurality of connecting strips (7) arranged axially between the upper and lower frames (19) and spaced evenly along the circumference, wherein the plurality of connecting strips (7) separate the upper and lower frames (19) into a plurality of windows, characterized in that: include: A mounting bracket (1) is fixed on a workbench and a measuring sleeve is inserted into the mounting bracket (1); A measuring sleeve comprises an outer cylinder (2); a plurality of ridge teeth spaced at a certain interval are provided along the circumference of the outer cylinder (2); the ridge teeth comprise a wide tooth (4) and other standard teeth (5); the wide tooth (4) is wider than the other standard teeth (5); a clutch retainer (6) is inserted into the outer cylinder (2) and is arranged coaxially with the outer cylinder (2); A fork-shaped pressure plate (9) is used to press and fix the clutch retainer (6) after the clutch retainer (6) is inserted into the measuring sleeve in an adaptive manner; During operation, after the clutch holder (6) is installed in the measuring sleeve, one of the connecting strips (7) of the clutch holder (6) is brought into close contact with the wide teeth (4) and the clutch holder (6) is pressed and fixed with a fork-shaped pressing plate (9). At this time, there is a certain gap between the remaining windows of the clutch holder (6) and the remaining standard teeth (5) of the measuring sleeve. A feeler gauge is inserted to measure the gap to obtain the spacing difference.

2. The measuring tool for clutch retainer window spacing difference according to claim 1, characterized in that: The measuring sleeve further comprises an inner cylinder (3); a coaxial outer cylinder (2) is provided along the circumference of the outer wall of the inner cylinder (3); a circular ring gap is provided between the inner cylinder (3) and the outer cylinder (2); a clutch retainer (6) is inserted into the circular ring gap and the clutch retainer (6) is sleeved outside the inner cylinder (3).

3. The measuring tool for clutch retainer window spacing difference according to claim 2, characterized in that: The depth of the annular spacing is just enough to allow the clutch holder (6) to be inserted into the measuring sleeve in an adaptive manner, the lower frame (19) of the clutch holder (6) abuts against the inner bottom surface of the annular spacing, and the edge of the upper frame (18) is flush with the circular surface of the outer cylinder (2).

4. The measuring tool for clutch retainer window spacing difference according to claim 1, characterized in that: The fork-shaped pressing plate (9) further includes a bolt (10); A circular hole is opened in the center of the fork-shaped pressing plate (9), and when the fork-shaped pressing plate (9) is aligned with the assembled clutch retainer (6) and the measuring sleeve, a bolt (10) is inserted into the circular hole and tightened toward the base of the inner cylinder (3), so that the fork-shaped pressing plate (9) presses the clutch retainer (6) firmly.

5. The measuring tool for clutch retainer window spacing difference according to claim 4, characterized in that: A long bolt (10) hole is provided in the base of the inner cylinder (3). When the bolt (10) of the fork-shaped pressure plate (9) is inserted into the base, the bolt (10) is inserted into the long bolt (10) hole.

6. The tool for measuring the distance difference between the clutch retainer windows according to claim 5, characterized in that: The measuring sleeve is rotatably connected to the mounting bracket (1), and a hand-pull type positioning component is provided on the mounting bracket (1); when the positioning component is pulled out, the measuring sleeve can rotate, and when the positioning component is reset, the measuring sleeve is limited and fixed.

7. The tool for measuring the distance difference between the clutch retainer windows according to claim 6, characterized in that: The positioning component comprises a sleeve (11), and an inner shaft and a spring (13) inserted therein; The sleeve (11) is fixed to the mounting bracket (1), and the sleeve (11) has an inner cavity; The inner shaft is arranged in the sleeve (11), and a spring (13) is sleeved on the inner shaft. One end of the spring (13) abuts against the inner shaft, and the other end abuts against the inner end surface of the sleeve (11); the end of the inner shaft passes through the sleeve (11) and extends outward to connect the handle (14). When the handle (14) is pulled outward, the inner shaft retracts in the sleeve (11) and compresses the spring (13). When the handle (14) is released, the inner shaft extends out due to the rebound of the spring (13).

8. The tool for measuring the distance difference between the clutch retainer windows according to claim 6, characterized in that: A plurality of positioning holes (15) are provided along the circumference of the measuring sleeve base. When the positioning component is reset, the inner shaft is inserted into the corresponding positioning hole (15) to fix the measuring sleeve.

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