Detection device for a synchronizer intermediate ring

Abstract

The application discloses a detection device for a synchronizer intermediate ring, which comprises a first gravity loading assembly for applying gravity to the outer circumferential surface of the intermediate ring; a lifting driver for driving the first gravity loading assembly to lift; a second gravity loading assembly, the first gravity loading assembly is provided with a first displacement hole, the second gravity loading assembly passes through the first displacement hole, and two parts of the second gravity loading assembly are distributed on the two sides of the first gravity loading assembly; a supporting assembly matched with the inner circumferential surface of the intermediate ring to support the intermediate ring; a first measuring part for detecting the displacement of the first gravity loading assembly after the gravity of the first gravity loading assembly is loaded on the intermediate ring; and a second measuring part for detecting the displacement of the second gravity loading assembly after the gravity of the second gravity loading assembly is loaded on the intermediate ring. The application is accurate and efficient.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of synchronizer, in particular to a detection device for synchronizer intermediate ring. BACKGROUND

[0002] In the synchronizer, there are synchronizer cone and synchronizer ring used together, the synchronizer cone is integrally provided with a cone ring. In use, after the synchronizer ring is fitted to the synchronizer cone, the inner wall of the synchronizer ring is in contact with the outer wall of the cone ring, and at the same time the synchronizer ring is subjected to axial extrusion force, at this time the friction between the two makes them rotate synchronously, and the friction torque between the two needs to reach a certain requirement in use, otherwise slipping will occur during work, which will affect the work of the synchronizer.

[0003] Obviously, the greater the combined area of the synchronizer ring and the synchronizer cone, the greater the friction between them. For the manufactured synchronizer ring, it is usually necessary to detect whether the combination between the synchronizer ring and the synchronizer cone meets the design requirements, and the detection parameter is to test the axial feed amount of the synchronizer ring to the synchronizer cone.

[0004] The existing detection method is to fit the synchronizer ring on the synchronizer cone, and use a standard pressing block to provide pressure on the synchronizer ring, and detect the above-mentioned feed amount by a three-coordinate measuring instrument. However, this detection method can only detect the friction between the inner wall surface of the synchronizer ring and the synchronizer cone. In actual use, the outer peripheral surface of the synchronizer ring will also be stressed, and the micro displacement of the synchronizer ring will also be caused when the outer peripheral surface is stressed. The above-mentioned detection method cannot detect the micro displacement, therefore, the existing detection method usually estimates on the basis of the three-coordinate measuring instrument measurement structure, which leads to inaccurate detection, and the three-coordinate measuring instrument usually needs about 5 minutes to detect one intermediate ring, and the detection time is long. SUMMARY

[0005] The present application provides a detection device for synchronizer intermediate ring, which is accurate and efficient.

[0006] The detection device for synchronizer intermediate ring comprises:

[0007] A first gravity loading assembly for applying gravity to the outer peripheral surface of the intermediate ring;

[0008] A lifting driver for driving the first gravity loading assembly to lift and lower, the first gravity loading assembly is movably connected to the output end of the lifting driver, and when the first gravity loading assembly is fitted to the intermediate ring, the gravity of the first gravity loading assembly is loaded onto the outer peripheral surface of the intermediate ring;

[0009] Second gravity loading assembly, first gravity loading assembly is equipped with first let go of hole, second gravity loading assembly passes through first let go of hole, make two parts of this second gravity loading assembly distribute in two sides of first gravity loading assembly, after second gravity loading assembly and the axial end surface of intermediate ring are combined, the gravity of this second gravity loading assembly is loaded to the axial end surface of intermediate ring;

[0010] Support assembly with the inner circumferential surface of intermediate ring cooperation to support intermediate ring;

[0011] First measurement component for displacement detection of first gravity loading assembly after the gravity of first gravity loading assembly is loaded to intermediate ring;

[0012] Second measurement component for displacement detection of second gravity loading assembly after the gravity of second gravity loading assembly is loaded to intermediate ring.

[0013] In the application, the axial end surface (upper end) of the measured intermediate ring is first pressed by the second gravity loading assembly, and the axial displacement value of the second gravity loading assembly is measured by the second measurement component. When the second gravity loading assembly cannot continue to press the intermediate ring, the outer circumferential surface of the measured intermediate ring is second pressed by the first gravity loading assembly, and the axial displacement value of the first gravity loading assembly is measured by the first measurement component. The sum of the axial displacement values measured by the first measurement component and the second measurement component is the total axial displacement of the intermediate ring.

[0014] When measuring the intermediate ring, the operation process of the application is simple, the detection result is accurate without estimation, and the entire detection time only needs about 1 minute, which is greatly shortened compared with the three-coordinate instrument, and the detection efficiency is improved. Moreover, the detection device of the application has low cost and is easy to manufacture, and can be widely used on the synchronizer production line after batch production. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the detection device of the synchronizer intermediate ring.

[0016] Figure 2 It is a schematic view after hiding a part of the parts in Figure 1 .

[0017] Figure 3 It is a sectional view of the detection device of the synchronizer intermediate ring formed along a first cutting direction.

[0018] Figure 4 It is a sectional view of the detection device of the synchronizer intermediate ring formed along a second cutting direction.

[0019] Figure 5 It is an enlarged view of P part in Figure 4 .

[0020] Reference signs in the drawings:

[0021] Intermediate ring A, first measuring component C1, second measuring component C2, pressing plate 1, linear bearing 1a, first allowance hole 1b, second allowance hole 1c, connecting frame 2, connecting column 2a, connecting plate 2b, through hole 2c, connecting ring 3, pressing ring 4, counterweight 5, linear guide group 6, support 7, bottom plate 7a, top plate 7b, support column 7c, lifting driving component 8, cylinder body 8a, piston rod 8b, limiting component 9, movable frame 10, guide rod 11, pressing block 12, slide rail 10a, allowance cavity 10b, support seat 13, standard mounting seat 14, pressing rod 15. DETAILED DESCRIPTION

[0022] The application will be further described below in conjunction with the drawings and specific embodiments.

[0023] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0024] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0025] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature is "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in horizontal height than the second feature. The first feature is "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in horizontal height than the second feature.

[0027] As shown in the figure, the detection device of the synchronizer intermediate ring of the present application comprises a first gravity loading assembly, a lifting driver, a second gravity loading assembly, a supporting assembly, a first measuring component C1, and a second measuring component C2. The details of each part and the relationship between them are described below. Figures 1 to 5 The first gravity loading assembly applies gravity to the outer circumferential surface of the intermediate ring A. The first gravity loading assembly comprises a pressing plate 1, a connecting frame 2, a connecting ring 3, a pressing ring 4 for combining with the outer circumferential surface of the intermediate ring A, the connecting frame 2 is located at one end of the pressing plate 1 and is fixed with the pressing plate 1, the connecting frame 2 is in clearance fit with the power output end of the lifting driver, that is, the connecting frame 2 has no fixed relationship with the power output end of the lifting driver. In the present application, the connecting frame 2 is composed of a connecting column 2a and a connecting plate 2b, one end of the connecting column 2a is fixed with the connecting plate 2b, the other end of the connecting column 2a is fixed with the pressing plate 1, and the connecting plate 2b is provided with a through hole 2c, the power output end of the lifting driver passes through the through hole on the connecting plate 2b and is in clearance fit with the through hole 2c, the connecting ring 3 is located at the other end of the pressing plate 1 and is fixed with the pressing plate 1, the pressing ring 4 is fixed with the connecting ring 3, and the pressing ring 4 is used for cooperating with the outer circumferential surface of the intermediate ring A.

[0028] The first gravity loading assembly further comprises a linear guide assembly 6, the linear guide assembly 6 is fixed with the pressing plate 1, and the two ends of the second gravity loading assembly are in sliding fit with the linear guide assembly 6. The linear guide assembly 6 is composed of a mounting seat and a guide rail, the mounting seat is L-shaped, the mounting seat is fixed on the pressing plate 1, and the guide rail is fixed with the mounting seat. The second gravity loading assembly moves linearly along the linear guide assembly 6.

[0029]

[0030] ​Since the whole first gravity loading assembly exerts gravity on the intermediate ring A, the gravity needed to be loaded is different for different intermediate rings A, in order to make the gravity value of the first gravity loading assembly accurate, such as 300N gravity, and the total gravity of the pressing plate 1, the connecting frame 2, the connecting ring 3, the pressing ring 4 and the linear guide group 6 is difficult to control to an accurate value, therefore, on the one hand, in order to make the gravity value of the first gravity loading assembly accurate, on the other hand, in order to meet the needs of different intermediate rings A, the first gravity loading assembly in the application further comprises a counterweight 5, the pressing plate 1 is provided with a blind hole, and the counterweight 5 is located in the blind hole, through the counterweight 5, the gravity difference of the total gravity of the pressing plate 1, the connecting frame 2, the connecting ring 3, the pressing ring 4 and the linear guide group 6 can be accurately made up, and when different intermediate rings A are detected, different weights of the counterweight 5 can be replaced.

[0031] The lifting driver drives the first gravity loading assembly to lift, the first gravity loading assembly is movably connected with the output end of the lifting driver, and when the first gravity loading assembly cooperates with the intermediate ring A, the gravity of the first gravity loading assembly is loaded on the outer circumferential surface of the intermediate ring.

[0032] In the application, the lifting driver comprises a support 7, a lifting driving component 8 and a limiting component 9 for providing support to the first gravity loading assembly, the lifting driving component 8 is fixed on the support 7, the power output end of the lifting driving component 8 is connected with the limiting component 9, and the first gravity loading assembly is gap-connected with the power output end of the lifting driving component 8.

[0033] The support 7 comprises a bottom plate 7a, a top plate 7b and a support column 7c, one end of the support column 7c is fixed with the bottom plate 7a, and the other end of the support column 7c is fixed with the top plate 7b, the lifting driving component 8 can adopt a linear driving component such as a pneumatic cylinder or a hydraulic cylinder, in the embodiment, the lifting driving component 8 preferably adopts a pneumatic cylinder, the cylinder body 8a of the pneumatic cylinder is fixed with the top plate 7b, the piston rod 8b of the pneumatic cylinder passes through the top plate 7b and is fixed with the limiting component 9, in the application, the limiting component 9 is composed of a nut and a gasket, the nut is threadedly connected with the piston rod 8b of the lifting driving component 8, and the gasket is sleeved on the piston rod 8b of the lifting driving component 8 and is supported by the nut. The piston rod 8b of the lifting driving component 8 passes through the through hole 2c in the connecting frame 2 and is gap-connected with the through hole 2c, and the limiting component 9 supports the connecting frame 2.

[0034] The first gravity loading assembly in the application further comprises a linear bearing 1a, the linear bearing 1a is fixed with the pressing plate 1, and the support column 7c passes through the linear bearing 1a and is slidingly connected with the linear bearing 1a, through the guiding action of the linear bearing 1a and the support column 7c, the first gravity loading assembly can move linearly.

[0035] The first gravity loading assembly is provided with a first clearance hole 1b, which is arranged on the pressing plate 1. The second gravity loading assembly passes through the first clearance hole 1b, so that two parts of the second gravity loading assembly are distributed on both sides of the first gravity loading assembly. After the second gravity loading assembly is combined with the axial end surface of the intermediate ring A, the gravity of the second gravity loading assembly is loaded on the axial end surface of the intermediate ring A.

[0036] The second gravity loading assembly includes a movable frame 10, a guide rod 11, and a pressing block 12 for combining with the axial end surface of the intermediate ring A. The movable frame 10 is located on one side of the first gravity loading assembly, and the pressing block 12 is located on the other side of the first gravity loading assembly, i.e., the movable frame 10 is located on the upper side of the pressing plate 1, and the pressing block 12 is located on the lower side of the pressing plate 1. One end of the guide rod 11 is fixed to the movable frame 10, and the other end of the guide rod 11 is fixed to the pressing block 12 through the first clearance hole 1b on the first gravity loading assembly. The pressing block 12 is disc-shaped, the guide rod 11 is in clearance fit with the first clearance hole 1b, and the number of the guide rod 11 and the first clearance hole 1b is multiple. This structure can make the second gravity loading assembly move up and down relative to the first gravity loading assembly.

[0037] The second gravity loading assembly further includes a slide rail 10a for sliding fit with the first gravity loading assembly. The slide rail 10a is fixed to both ends of the movable frame 10 and is in sliding fit with the linear guide group 6. When the second gravity loading assembly moves up and down, the slide rail 10a and the linear guide group 6 guide the second gravity loading assembly, so that the second gravity loading assembly moves up and down along a straight line, thereby ensuring that the axial end surface of the pressing block 12 is in close contact with the axial end surface of the intermediate ring A.

[0038] The movable frame 10 is provided with a clearance cavity 10b, and the inner diameter of the clearance cavity 10b is greater than the outer diameter of the limiting component 9. When the piston rod 8b of the lifting driving component 8 moves downward, the piston rod 8b and the limiting component 9 enter the clearance cavity 10b, so that the clearance cavity 10b forms clearance for the piston rod 8b and the limiting component 9, thereby facilitating the gravity of the first gravity loading assembly to be loaded on the outer circumferential surface of the intermediate ring A.

[0039] The support assembly is in fit with the inner circumferential surface of the intermediate ring A to support the intermediate ring A. The support assembly includes a support seat 13 and a standard mounting seat 14. The support seat 13 is fixed to the bottom plate 7a, one end of the standard mounting seat 14 is fixed to the support seat 13, and the other end of the standard mounting seat 14 is provided with a tapered surface for fit with the intermediate ring A. The taper of the tapered surface on the standard mounting seat 14 simulates the synchronous taper in the background technology. The standard mounting seat 14 is composed of a standard seat and a mounting support. The tapered surface is arranged on the standard seat. The standard seat and the mounting support are fixed by screws. The mounting support is fixed to the support seat 13 by screws. For intermediate rings with different inner diameters, the standard seat matched with the intermediate ring can be replaced.

[0040] The first measuring part C1 detects the displacement of the first gravity loading assembly after the gravity loading of the first gravity loading assembly to the intermediate ring. The first measuring part C1 can adopt a dial gauge, a micrometer gauge, an optical grating ruler, etc. In the present application, the first measuring part C1 preferably adopts a micrometer gauge. After the first gravity loading assembly is lowered, the pressure is applied to the measuring head of the first measuring part C1, and then the micrometer gauge detects the displacement of the first gravity loading assembly.

[0041] The second measuring part C2 detects the displacement of the second gravity loading assembly after the gravity loading of the second gravity loading assembly to the intermediate ring. The second measuring part C2 can adopt a dial gauge, a micrometer gauge, an optical grating ruler, etc. In the present application, the second measuring part C2 preferably adopts a micrometer gauge. The first gravity loading assembly is provided with a second displacement hole 1c. After the second measuring part C2 is lowered, the measuring head of the second measuring part C2 is passively inserted into the second displacement hole 1c, and then the second gravity loading assembly applies pressure to the second measuring part. In the present application, the second gravity loading assembly further comprises a pressure rod 15 which is in clearance fit with the second displacement hole 1c. The axis of the second displacement hole 1c, the axis of the pressure rod 15 and the axis of the measuring head of the second measuring part C2 are located on the same straight line. When the first gravity loading assembly and the second gravity loading assembly are lowered, the pressure rod 15 finally applies pressure to the measuring head of the second measuring part C2, and then the second measuring part C2 detects the displacement of the second gravity loading assembly.

[0042] The working process of the present application is as follows:

[0043] S1, the intermediate ring A is sleeved on the standard mounting seat 14, and the upper end of the intermediate ring A is detected by the level meter to determine whether it is in a horizontal state. If the intermediate ring A is not in a horizontal state, the upper end of the intermediate ring A is manually adjusted to a horizontal state. At this time, the inner circumferential surface of the intermediate ring A is in preliminary clearance fit with the outer circumferential surface of the standard mounting seat 14, and the upper end of the intermediate ring A is located above the upper end of the standard mounting seat 14. Preferably, the distance between the upper end of the intermediate ring A and the upper end of the standard mounting seat 14 is, for example, 1 mm.

[0044] S2, the piston rod 8b of the lifting driving part 8 is lowered and fed to the support assembly, the first gravity loading assembly is fed to the support assembly, and the second gravity loading assembly is fed to the support assembly together with the first gravity loading assembly. With the increase of the feeding amount, the compression ring 4 gradually forms a ring around the intermediate ring A, but the compression ring 4 does not form contact or adhesion with the intermediate ring A. The axial end surface of the pressing block 12 is in adhesion with the axial end surface of the intermediate ring A. At this time, the gravity of the second gravity loading assembly is loaded to the intermediate ring A, and the standard mounting seat 14 moves along the axis of the standard mounting seat 14 under the action of the gravity of the second gravity loading assembly.

[0045] With the piston rod 8b of the lifting driving component 8 continuously descending, the upper end of the intermediate ring A is pressed to the upper end of the standard mounting seat 14 under the action of the pressing block 12. At this time, the second gravity loading assembly cannot continue to axially displace the intermediate ring A, but there is still a small gap between the intermediate ring A and the standard mounting seat 14. During the above process, the pressing rod 15 loads pressure on the measuring head of the second measuring component C2, and the second measuring component C2 detects the displacement amount loaded by the second gravity loading assembly.

[0046] S3, the piston rod 8b of the lifting driving component 8 descends. At this time, the first gravity loading assembly continues to descend, while the second gravity loading assembly stops moving due to the pressing block 12 abutting against the upper end surface of the standard mounting seat 14. The first gravity loading assembly moves downward relative to the second gravity loading assembly. At this time, the inner surface of the pressing ring 4 is attached to the outer surface of the intermediate ring A, so that the gravity of the first gravity loading assembly is loaded on the outer circumferential surface of the intermediate ring A, and the intermediate ring A is axially displaced along the standard mounting seat 14. During the process, the pressing plate 1 loads pressure on the measuring head of the first measuring component C1, and the first measuring component C1 detects the displacement amount loaded by the first gravity loading assembly.

[0047] Finally, the displacement amount of the intermediate ring A is the sum of the readings on the second measuring component C2 and the first measuring component C1.

Claims

1. A device for detecting a synchronizer intermediate ring, characterized in that The application relates to a gravity loading device for a middle ring (A). The application relates to a gravity loading device for a middle ring (A). The application relates to a gravity loading device for a middle ring (A). The application relates to a gravity loading device for a middle ring (A). The application relates to a gravity loading device for a middle ring (A). The application relates to a gravity loading device for a middle ring (A). The application relates to a gravity loading device for a middle ring (A). The application relates to a gravity loading device for a middle ring (A). The application relates to a gravity loading device for a middle ring (A).

2. The apparatus for detecting a synchronizer ring according to claim 1, wherein The application relates to a gravity loading device for a middle ring (A).

3. The apparatus for detecting a synchronizer ring according to claim 1, wherein The application relates to a gravity loading device for a middle ring (A).

4. The apparatus for detecting a synchronizer ring according to claim 1, wherein The application relates to a gravity loading device for a middle ring (A).

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The apparatus for detecting a synchronizer ring according to claim 1, wherein The support assembly comprises a support base (13), a standard mounting base (14), one end of the standard mounting base (14) is fixed with the support base (13), and the other end of the standard mounting base (14) is provided with a tapered surface for cooperating with the intermediate ring (A).

7. The apparatus for detecting a synchronizer ring according to claim 1, wherein The first measuring component (C1) is a micrometer, and the first gravity loading assembly exerts pressure on the measuring head of the first measuring component after descending.

8. The apparatus for detecting a synchronizer middle ring according to claim 1, wherein The second measuring component (C2) is a micrometer, the first gravity loading assembly is provided with a second displacement hole, and the second gravity loading assembly exerts pressure on the second measuring component after the measuring head of the second measuring component (C2) passively passes through the second displacement hole.

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