Gear detection tool based on three-coordinate equipment

By integrating internal hole, outer ring, and chamfer gear detection mechanisms into a coordinate measuring machine and combining them with pneumatic components, the problems of high cost and low efficiency of gear detection tooling have been solved, enabling efficient and low-cost detection of various types of gears.

CN223882950UActive Publication Date: 2026-02-06采埃孚合力传动技术(合肥)有限公司
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Patent Information

Application Number
CN202520528112.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-02-06
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

In the existing technology, gear inspection tooling is costly, has a long manufacturing cycle, and requires frequent tooling changes during the inspection process, resulting in low inspection efficiency and making it difficult to inspect various types of gears efficiently and at low cost.

Method used

Design a gear inspection fixture based on a coordinate measuring machine, including an internal gear inspection mechanism, an outer ring gear inspection mechanism, and a chamfered gear inspection mechanism. Combined with pneumatic switches and pneumatic components, it can achieve efficient clamping and inspection of different types of gears.

Benefits of technology

By integrating a coordinate measuring machine and multiple testing mechanisms, efficient and low-cost testing of various types of gears is achieved, ensuring testing accuracy and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a gear detection tool based on three-coordinate equipment. The gear detection tool comprises the three-coordinate equipment, an inner hole gear detection mechanism, an outer ring gear detection mechanism and a chamfer gear detection mechanism. The detection plane of the three-coordinate equipment is provided with an inner hole gear detection mechanism, an outer ring gear detection mechanism and a chamfer gear detection mechanism. Through the arrangement of the three-coordinate equipment, the inner hole gear detection mechanism, the outer ring gear detection mechanism and the chamfer gear detection mechanism, various types of gears can be detected with high efficiency and low cost.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gear detection technical field, concretely is a kind of gear detection tool based on three coordinate equipment. BACKGROUND

[0002] Gear is the key component of power transmission, before using assembly, in order to ensure its transmission efficiency in use process, service life and safety, meet the requirement of design accuracy simultaneously, need to detect the tooth profile and tooth direction of gear itself.

[0003] Usually, in gear processing factory, detection personnel can detect the tooth profile and tooth direction of gear by special gear measuring instrument and special detection tool;In the assembly factory of gear, in the absence of special gear measuring instrument, usually use a three coordinate equipment to detect the tooth profile and tooth direction of gear, but gear has multiple types, in order to ensure the accuracy of its measurement result, gear of different sizes and processing datum needs to design different types of detection tool to detect, but the design, production cycle and maintenance cost of tool cost are higher, and frequently change tool in detection process, detection efficiency is lower. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model lies in how to detect multiple types of gears with high efficiency and low cost.

[0005] The utility model solves the above technical problem by the following technical scheme:

[0006] A gear detection tool based on three coordinate equipment, including three coordinate equipment (1), inner hole gear detection mechanism (3), outer ring gear detection mechanism (4), chamfer gear detection mechanism (5);Three coordinate equipment (1) detection plane is provided with inner hole gear detection mechanism (3), outer ring gear detection mechanism (4), chamfer gear detection mechanism (5).

[0007] Beneficial effects: through the setting of three coordinate equipment, inner hole gear detection mechanism, outer ring gear detection mechanism and chamfer gear detection mechanism, multiple types of gears can be detected with high efficiency and low cost.

[0008] Further, the detection platform (2) is fixed on the detection plane of three coordinate equipment (1), the detection platform (2) is attached to the detection plane, and the inner hole gear detection mechanism (3), the outer ring gear detection mechanism (4) and the chamfer gear detection mechanism (5) are fixed on the top wall of the detection platform (2) along the X axis in sequence.

[0009] Beneficial effects: through the attachment of detection platform and detection plane, the reference (horizontal and vertical degree) of detection platform can be guaranteed, and the measurement reference of gear is guaranteed.

[0010] Furthermore, a pneumatic switch (6) is fixed on the edge of the detection plane of the coordinate measuring machine (1). The pneumatic switch (6) is connected to the corresponding number of first air pipes through a multi-way valve. Each first air pipe is connected to an external pneumatic device. The external pneumatic device is connected to the input end of the inner hole gear detection mechanism (3), the outer ring gear detection mechanism (4), and the chamfered gear detection mechanism (5) through the corresponding number of second air pipes.

[0011] Beneficial effects: By using pneumatic switches, multi-way valves, external pneumatic equipment, and multiple air pipes, the pneumatic switches can independently open the valves corresponding to the multi-way valves, enabling the internal gear detection mechanism, the outer ring gear detection mechanism, and the chamfered gear detection mechanism to work independently.

[0012] Furthermore, the multi-way valve is a three-way valve.

[0013] Furthermore, the internal gear detection mechanism (3) includes a sleeve expansion assembly (32) and a first pneumatic assembly (33), with the sleeve expansion assembly (32) fixed at the output end of the first pneumatic assembly (33).

[0014] Beneficial effects: By setting up the expansion sleeve assembly and the first pneumatic assembly, the first pneumatic assembly can blow air into the expansion sleeve assembly to change the diameter of the expansion sleeve assembly, thereby causing the outer periphery of the expansion sleeve assembly to press against the inner hole of the gear to clamp the gear. Then, the tooth profile and tooth direction of the first gear under test are detected by a coordinate measuring machine.

[0015] Furthermore, the outer ring gear detection mechanism (4) includes a clamping assembly (42) and a second pneumatic assembly (43), with the clamping assembly (42) fixed at the output end of the second pneumatic assembly (43).

[0016] Beneficial effects: By setting up the clamping component and the second pneumatic component, the second pneumatic component can drive the clamping component's jaws to clamp the second gear under test, thereby clamping the outer ring of the gear with the jaws of the clamping component, and then using a coordinate measuring machine to detect the tooth profile and tooth direction of the second gear under test.

[0017] Furthermore, the chamfered gear detection mechanism (5) includes a bottom chamfered gear detection component and a top chamfered gear detection component. The output end of the bottom chamfered gear detection component and the output end of the top chamfered gear detection component are opposite to each other and concentrically arranged.

[0018] Beneficial effects: By setting up bottom chamfered gear detection components and top chamfered gear detection components, it is possible to inspect gears that are machined with chamfers at both ends as the reference.

[0019] Furthermore, the top chamfered gear detection component is mounted on the detection plane of the coordinate measuring machine (1) via a fixed bracket (52).

[0020] Further, the bottom chamfer gear detection component comprises a third pneumatic assembly (56) and a first center pin assembly (55), and the output end of the third pneumatic assembly (56) is upwardly provided and fixed with the first center pin assembly (55).

[0021] Beneficial effects: through the arrangement of the third pneumatic assembly and the first center pin assembly, the third pneumatic assembly can blow air into the first center pin assembly to expand the first center pin assembly, and then the sharp corner of the top end of the first center pin assembly can abut against the chamfer of the bottom end of the gear to clamp the gear.

[0022] Further, the top chamfer gear detection component comprises a fourth pneumatic assembly (51) and a second center pin assembly (53), and the output end of the fourth pneumatic assembly (51) is downwardly provided and fixed with the second center pin assembly (53).

[0023] Beneficial effects: through the arrangement of the fourth pneumatic assembly and the second center pin assembly, the fourth pneumatic assembly can drive the second center pin assembly to move along the Z-axis to make the sharp corner of the second center pin assembly abut against the chamfer of the top end of the gear to clamp the gear. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a general assembly perspective view of the gear detection tool based on the three-coordinate equipment according to the first embodiment of the present application;

[0025] Figure 2 It is an inner hole gear assembly perspective view of the gear detection tool based on the three-coordinate equipment according to the first embodiment of the present application;

[0026] Figure 3 It is an outer ring gear assembly perspective view of the gear detection tool based on the three-coordinate equipment according to the first embodiment of the present application;

[0027] Figure 4 It is a chamfer gear assembly perspective view of the gear detection tool based on the three-coordinate equipment according to the first embodiment of the present application. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Embodiment one

[0030] As Figure 1As shown, the embodiment provides a gear detection tool based on three coordinate equipment, which comprises three coordinate equipment 1, detection platform 2, inner hole gear detection mechanism 3, outer ring gear detection mechanism 4, chamfer gear detection mechanism 5, pneumatic switch 6.

[0031] As shown, Figure 1 The three coordinate equipment 1 is prior art, which is a commonly used high-precision data acquisition equipment for detecting various size data of parts. The detection platform 2 is fixed on the detection plane of the three coordinate equipment 1 and is arranged in close contact with the detection plane to ensure the reference (horizontal and vertical) of the detection platform 2. The pneumatic switch 6 is fixed on the edge of the detection plane of the three coordinate equipment 1. The inner hole gear detection mechanism 3, the outer ring gear detection mechanism 4 and the chamfer gear detection mechanism 5 are fixed in sequence on the top wall of the detection platform 2 along the X axis. The pneumatic switch 6 is communicated with a corresponding number of first air pipes through a three-way valve. Each first air pipe is communicated with an external air pressure device. The external air pressure device is communicated with the input end of the inner hole gear detection mechanism 3, the outer ring gear detection mechanism 4 and the chamfer gear detection mechanism 5 through a corresponding number of second air pipes. The pneumatic switch 6 can independently open each valve corresponding to the three-way valve to enable the inner hole gear detection mechanism 3, the outer ring gear detection mechanism 4 and the chamfer gear detection mechanism 5 to work independently.

[0032] As shown, Figure 1 , Figure 2 The first measured gear 31 of the inner hole gear detection mechanism 3 is a gear machined with an inner hole as a reference, and the reference accuracy of the inner hole needs to be ensured first during detection. The inner hole gear detection mechanism 3 comprises a first pneumatic assembly 33 and a sleeve assembly 32. The first pneumatic assembly 33 is fixed in the detection platform 2. The output end of the first pneumatic assembly 33 penetrates the top wall of the detection platform 2 and is fixed with the sleeve assembly 32. By opening the valve corresponding to the first pneumatic assembly 33 through the pneumatic switch 6, the first pneumatic assembly 33 can blow air into the sleeve assembly 32 to change the diameter of the sleeve assembly 32, so that the periphery of the sleeve assembly 32 abuts against the inner hole of the gear to clamp the gear, and then the tooth shape and direction of the first measured gear 31 are detected by the three coordinate equipment 1. The first pneumatic assembly 33 expands the sleeve assembly 32, which is prior art.

[0033] As shown, Figure 1 , Figure 3As shown, the second measured gear 41 of the outer ring gear detection mechanism 4 is a gear machined with the outer ring as the reference, and the reference accuracy of the outer ring needs to be ensured first during detection; the outer ring gear detection mechanism 4 comprises a clamping assembly 42 and a second pneumatic assembly 43, the second pneumatic assembly 43 is fixed in the detection platform 2, the output end of the second pneumatic assembly 43 penetrates the top wall of the detection platform 2 and is fixed with the clamping assembly 42, the valve corresponding to the second pneumatic assembly 43 is opened through the pneumatic switch 6, the second pneumatic assembly 43 can drive the clamping jaw of the clamping assembly 42 to clamp the second measured gear 41, and then the clamping jaw of the clamping assembly 42 clamps the outer ring of the gear to clamp the gear, and then the tooth shape and tooth direction of the second measured gear 41 are detected through the three-coordinate equipment 1; it is prior art that the second pneumatic assembly 43 makes the clamping jaw of the clamping assembly 42 clamp.

[0034] As shown in Figure 1 , Figure 4 As shown, the third measured gear 54 of the chamfer gear detection mechanism 5 is a gear machined with the chamfer at both ends as the reference, and the reference accuracy of the chamfer needs to be ensured first during detection; the chamfer gear detection mechanism 5 comprises a bottom chamfer gear detection component, a top chamfer gear detection component and a fixed support 52, the bottom chamfer gear detection component is fixed in the detection platform 2, the fixed support 52 is fixed on the top wall of one side of the detection platform 2, and the top chamfer gear detection component is fixed on the top of the fixed support 52; the bottom chamfer gear detection component comprises a third pneumatic assembly 56 and a first center pin assembly 55, the third pneumatic assembly 56 is fixed in the detection platform 2, the output end of the third pneumatic assembly 56 penetrates the top wall of the detection platform 2 and is fixed with the first center pin assembly 55, the top end of the first center pin assembly 55 is provided with a sharp corner, the valve corresponding to the third pneumatic assembly 56 is opened through the pneumatic switch 6, the third pneumatic assembly 56 can blow air into the first center pin assembly 55 to make the first center pin assembly 55 expand, and then the top end sharp corner of the first center pin assembly 55 abuts against the chamfer at the bottom end of the gear to clamp the gear; it is prior art that the third pneumatic assembly 56 makes the first center pin assembly 55 expand; the top chamfer gear detection component comprises a fourth pneumatic assembly 51 and a second center pin assembly 53, the fourth pneumatic assembly 51 is fixed on the top end of the fixed support 52 through a support plate, the output end of the fourth pneumatic assembly 51 is downwardly provided and fixed with the second center pin assembly 53, the bottom end of the second center pin assembly 53 is provided with a sharp corner, the valve corresponding to the fourth pneumatic assembly 51 is opened through the pneumatic switch 6, the fourth pneumatic assembly 51 can drive the second center pin assembly 53 to move along the Z axis to make the sharp corner of the second center pin assembly 53 abut against the chamfer at the top end of the gear to clamp the gear, and then the tooth shape and tooth direction of the third measured gear 54 are detected through the three-coordinate equipment 1; it is prior art that the fourth pneumatic assembly 51 makes the second center pin assembly 53 move along the Z axis; the sharp corners of the first center pin assembly 55 and the second center pin assembly 53 are concentrically arranged.

[0035] In use, the detection platform 2 is placed on the detection plane of the three-coordinate device 1, the first pneumatic assembly 33 is placed on the detection platform 2, the expanding sleeve assembly 32 is installed on the first pneumatic assembly 33, the first measured gear 31 is stably placed on the expanding sleeve assembly 32, the pneumatic switch 6 is turned on, the air pressure is transmitted to the first pneumatic assembly 33 through the air pipe, the first pneumatic assembly 33 expands the expanding sleeve assembly 32 to clamp the first measured gear 31, the three-coordinate device 1 is started, and the tooth shape and tooth direction of the first measured gear 31 are detected; the clamping assembly 42 is installed on the second pneumatic assembly 43, the second measured gear 41 is stably placed on the clamping assembly 42, the pneumatic switch 6 is turned on, the air pressure is transmitted to the second pneumatic assembly 43 through the air pipe, the second pneumatic assembly 43 makes the clamping jaw of the clamping assembly 42 clamp the second measured gear 41, the three-coordinate device 1 is started, and the tooth shape and tooth direction of the second measured gear 41 are detected; the first thimble assembly 55 is installed on the third pneumatic assembly 56, the fixed support 52 is fixed on the detection platform 2, the fourth pneumatic assembly 51 is fixed on the fixed support 52, the second thimble assembly 53 is installed on the fourth pneumatic assembly 51, the third measured gear 54 is stably placed between the first thimble assembly 55 and the second thimble assembly 53, the pneumatic switch 6 is turned on, the air pressure is transmitted to the third pneumatic assembly 56 and the fourth pneumatic assembly 51 through the air pipe, the third pneumatic assembly 56 expands the first thimble assembly 55 to abut against the chamfer at the bottom end of the third measured gear 54, the fourth pneumatic assembly 51 pushes the second thimble assembly 53 to abut against the chamfer at the top end of the third measured gear 54, and the third measured gear 54 is clamped in cooperation, and the three-coordinate device 1 is started to detect the tooth shape and tooth direction of the third measured gear 54.

[0036] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A gear inspection tool based on a three coordinate machine, characterized by, It includes a coordinate measuring machine (1), an internal gear inspection mechanism (3), an external gear inspection mechanism (4), and a chamfered gear inspection mechanism (5); The three-coordinate measuring machine (1) has an internal gear detection mechanism (3), an outer ring gear detection mechanism (4), and a chamfered gear detection mechanism (5) on its detection plane.

2. The coordinate-measuring-machine-based gear inspection fixture of claim 1, wherein: The three coordinate measuring machine (1) has a detection platform (2) fixed on its detection plane. The detection platform (2) is set in close contact with the detection plane. The top wall of the detection platform (2) is fixed along the X-axis with an inner hole gear detection mechanism (3), an outer ring gear detection mechanism (4), and a chamfered gear detection mechanism (5).

3. The coordinate-measuring-machine-based gear inspection fixture of claim 1, wherein: A pneumatic switch (6) is fixed on the edge of the detection plane of the coordinate measuring machine (1). The pneumatic switch (6) is connected to the corresponding number of first air pipes through a multi-way valve. Each first air pipe is connected to an external pneumatic device. The external pneumatic device is connected to the input end of the inner hole gear detection mechanism (3), the outer ring gear detection mechanism (4), and the chamfered gear detection mechanism (5) through the corresponding number of second air pipes.

4. The coordinate-measuring-machine-based gear inspection fixture of claim 3, wherein: The multi-way valve is a three-way valve.

5. The gear inspection fixture based on a coordinate measuring machine according to claim 1, characterized in that: The internal gear detection mechanism (3) includes a sleeve expansion assembly (32) and a first pneumatic assembly (33), with the sleeve expansion assembly (32) fixed at the output end of the first pneumatic assembly (33).

6. The coordinate-measuring-machine-based gear inspection fixture of claim 1, wherein: The outer ring gear detection mechanism (4) includes a clamping assembly (42) and a second pneumatic assembly (43), with the clamping assembly (42) fixed at the output end of the second pneumatic assembly (43).

7. The coordinate-measuring-machine-based gear inspection fixture of claim 1, wherein: The chamfered gear detection mechanism (5) includes a bottom chamfered gear detection component and a top chamfered gear detection component. The output end of the bottom chamfered gear detection component and the output end of the top chamfered gear detection component are opposite to each other and concentrically arranged.

8. The coordinate-measuring-machine-based gear inspection fixture of claim 7, wherein: The top chamfered gear detection component is set on the detection plane of the coordinate measuring machine (1) by a fixed bracket (52).

9. The coordinate-measuring-machine-based gear inspection fixture of claim 7, wherein: The bottom chamfered gear detection component includes a third pneumatic assembly (56) and a first ejector assembly (55). The output end of the third pneumatic assembly (56) is set upward and the first ejector assembly (55) is fixed thereon.

10. The coordinate-measuring-machine-based gear inspection fixture of claim 7, wherein: The top chamfered gear detection component includes a fourth pneumatic assembly (51) and a second ejector assembly (53). The output end of the fourth pneumatic assembly (51) is set downward and the second ejector assembly (53) is fixed thereon.