Clamping tool for gear case cover performance detection
By integrating clamping fixtures for plugging, switching, targeting, and sealing components, the problem of requiring multiple sets of fixtures for gear housing cover inspection is solved, enabling efficient and low-cost multi-performance testing.
Patent Information
- Application Number
- CN202520274437.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-20
AI Technical Summary
The existing gear housing cover inspection requires three sets of tooling, which is costly and inefficient.
A clamping fixture integrating a plugging component, a transition component, a target assembly, and a sealing component was designed, which can simultaneously perform flow, target, and sealing tests. The components are fixed and connected through a support plate, screw holes, and screws.
The three tests on the gear housing cover can be completed on a single fixture, which is convenient to operate, has high testing efficiency, and reduces testing costs.
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Figure CN223741955U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to part detection technical field especially relates to a clamping frock for gear machine case cover performance detection. BACKGROUND
[0002] As Figure 1 The top of the gear machine case cover is provided with a spray hole, the axis of the spray hole and the included angle of the top surface of the gear machine case cover are acute angles, the top surface of the gear machine case cover is provided with a first oil inlet hole and a second oil inlet hole which are communicated with the spray hole respectively, and the outer periphery of the gear machine case cover is provided with a plurality of mounting holes; the gear machine case cover needs to be subjected to flow test, target test and sealing test after being processed and formed to detect whether its performance meets the design requirements. The existing detection frock needs three sets, and the detection cost is high. Therefore, a frock for performing three test detections is designed to complete the performance detection of the gear machine case cover, so as to reduce the detection cost. UTILITARIAN CONTENT
[0003] In view of the above defects or deficiencies in the prior art, it is expected to provide a clamping frock for gear machine case cover performance detection, which is convenient to operate, high in detection efficiency and accurate in detection, and a set of clamping frock can complete three test detections of the gear machine case cover, thereby effectively reducing the detection cost.
[0004] The utility model provides a kind of clamping frock for gear machine case cover performance detection, comprising:
[0005] Support plate, through hole is opened in it, the outer periphery of the through hole is provided with a plurality of first screw holes corresponding to the mounting hole of the gear machine case cover, and the first screw hole is all connected with first screw by screw thread;
[0006] Plugging assembly is arranged on the support plate, and is used for plugging the first oil inlet hole of the gear machine case cover;
[0007] Adapter assembly is arranged on the support plate, and is used for connecting the second oil inlet hole of the gear machine case cover with tester;
[0008] Targeting assembly is detachably fixed on the top surface of the support plate, and is used for target test of the gear machine case cover;
[0009] Sealing assembly can replace the targeting assembly and be fixed on the top surface of the support plate, and is used for density of the spray hole of the gear machine case cover.
[0010] Further, the top surface of the support plate is provided with positioning groove on one side of the through hole, for positioning installation of the targeting assembly and the sealing assembly.
[0011] Furthermore, the sealing assembly includes a plug, and the support plate has a second threaded hole coaxial with the first oil inlet hole. The plug is threaded through the second threaded hole, and the bottom end of the plug extends into the first oil inlet hole and is fixedly provided with a first sealing ring.
[0012] Furthermore, the adapter assembly includes an adapter, and the support plate has a third threaded hole coaxial with the second oil inlet hole. The adapter is threaded through the third threaded hole, and the bottom end of the adapter extends into the second oil inlet hole and is fixedly provided with a second sealing ring.
[0013] Furthermore, the target assembly includes a target plate, the bottom end of which is fixedly connected to the support plate by a second screw and a first positioning pin, and the top end of the target plate is provided with a target hole on the axis of the spray hole, the distance between the target hole and the spray hole meeting the test requirements.
[0014] Furthermore, the sealing assembly includes a sealing bracket, the bottom end of which is fixedly connected to the support plate by a third screw and a second positioning pin. The top end of the sealing bracket is provided with a fourth screw hole on the axis of the spray hole. A sealing post is threaded through the fourth screw hole. A sealing groove is provided at the bottom end of the sealing post. A rubber sealing gasket is provided in the sealing groove.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] The clamping fixture of this utility model is equipped with a sealing component, a connecting component, a target component, and a sealing component. When performing performance testing on the gear housing cover, the corresponding test can be carried out by installing the corresponding components. The operation is convenient, the testing efficiency is high, and the testing is accurate. One set of clamping fixtures can complete the three tests on the gear housing cover, effectively reducing the testing cost.
[0017] It should be understood that the description in this utility model description section is not intended to limit the key or essential features of the embodiments of this utility model, nor is it intended to restrict the scope of this utility model. Other features of this utility model will become readily apparent from the following description. Attached Figure Description
[0018] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:
[0019] Figure 1 This is a schematic diagram of the gearbox cover.
[0020] Figure 2 This is a structural diagram of the clamping fixture;
[0021] Figure 3A schematic diagram of the structure for installing the gear housing cover onto a clamping fixture for flow testing;
[0022] Figure 4 A schematic diagram of the structure for mounting the gear housing cover onto the clamping fixture for a target firing test;
[0023] Figure 5 A schematic diagram of the structure for performing a sealing test on the gear housing cover installed on the clamping fixture;
[0024] Figure 6 A top view of the gear housing cover being installed on a clamping fixture for a flow test;
[0025] Figure 7 for Figure 6 Schematic diagram of the cross-sectional structure at point AA;
[0026] Figure 8 for Figure 6 A schematic diagram of the cross-sectional structure at point BB.
[0027] The diagram labels are as follows: 1. Support plate; 2. Sealing assembly; 3. Adapter assembly; 4. Target assembly; 5. Sealing assembly; 6. Gear housing cover;
[0028] 11. Through hole; 12. First screw hole; 13. Positioning groove; 14. Second screw hole; 15. Third screw hole;
[0029] 21. Plug; 22. First sealing ring;
[0030] 31. Adapter; 32. Second sealing ring;
[0031] 41. Target plate; 42. Second screw; 43. First locating pin; 44. Target hole;
[0032] 51. Sealing bracket; 52. Third screw; 53. Second locating pin; 54. Fourth screw hole; 55. Sealing post; 56. Sealing groove; 57. Rubber sealing gasket;
[0033] 61. Spray nozzle; 62. First oil inlet; 63. Second oil inlet; 64. Mounting hole. Detailed Implementation
[0034] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings.
[0035] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.
[0036] Please refer to Figures 1-8 An embodiment of this utility model provides a clamping fixture for performance testing of a gear housing cover, comprising:
[0037] The support plate 1 has a through hole 11. The outer periphery of the through hole 11 has a plurality of first screw holes 12 corresponding one-to-one with the mounting holes 64 of the gear housing cover 6. Each of the first screw holes 12 is threaded with a first screw.
[0038] The sealing component 2 is mounted on the support plate 1 and is used to seal the first oil inlet 62 of the gear housing cover 6;
[0039] The adapter component 3 is mounted on the support plate 1 and is used to connect the second oil inlet 63 of the gear housing cover 6 to the tester.
[0040] The target firing assembly 4 is detachably fixed to the top surface of the support plate 1 and is used for target firing tests of the gear housing cover 6.
[0041] The sealing component 5, which can replace the target assembly 4 and is fixedly installed on the top surface of the support plate 1, is used to seal the nozzle 61 of the gear housing cover 6.
[0042] In this embodiment, the initial firing assembly 4 and sealing assembly 5 are not installed. When performing performance testing on the gear housing cover 6, it is first placed at the bottom of the support plate 1, with its top fitted into the through hole 11. Then, the gear housing cover 6 is fixed by passing first screws through each mounting hole 64. Next, the first oil inlet 62 is sealed using the sealing assembly 2, and then sealed to the second oil inlet 63 using the adapter assembly 3. The adapter assembly 3 is then connected to the testing device via a hose. The testing device is then turned on, injecting high-pressure test medium into the gear housing cover 6, which is then sprayed out through the nozzle 61. The sprayed test medium is guided into the testing device via a hose for metering and flow rate testing.
[0043] Then, the target assembly 4 is fixedly installed on the support plate 1, and the tester is turned on again. The tester injects the high-pressure test medium into the gear housing cover 6 and sprays it out through the nozzle 61. Observe whether the sprayed test medium accurately passes through the target assembly 4 and carry out the target test.
[0044] Then, remove the target assembly 4 and install the sealing assembly 5 onto the support plate 1 to seal the nozzle 61. Then, turn on the tester and inject the high-pressure test medium into the gear housing cover 6. Hold the pressure for a period of time and check for any leakage of the test medium to perform a sealing test.
[0045] The clamping fixture of this application is easy to operate, has high testing efficiency and accuracy. One set of clamping fixture can complete three types of tests on the gear housing cover 6, effectively reducing the testing cost.
[0046] In a preferred embodiment, such as Figure 2 As shown, a positioning groove 13 is provided on the top surface of the support plate 1 on one side of the through hole 11, which is used for positioning and installing the target assembly 4 and the sealing assembly 5, thereby improving the ease of installation of the target assembly 4 and the sealing assembly 5.
[0047] In a preferred embodiment, such as Figure 2 and Figure 7 As shown, the sealing assembly 2 includes a plug 21. The support plate 1 has a second threaded hole 14 coaxial with the first oil inlet hole 62. The plug 21 is threaded through the second threaded hole 14. The bottom end of the plug 21 extends into the first oil inlet hole 62 and is fixedly provided with a first sealing ring 22.
[0048] In this embodiment, the plug 21 has shaped surfaces on both sides that are easy to grip with a wrench. By rotating the plug 21 with a wrench, its bottom end extends into the first oil inlet hole 62, and the first oil inlet hole 62 is sealed by the first sealing ring 22. The operation is convenient and the sealing effect is good.
[0049] In a preferred embodiment, such as Figure 2 and Figure 7 As shown, the adapter assembly 3 includes an adapter 31. The support plate 1 has a third screw hole 15 coaxial with the second oil inlet hole 63. The adapter 31 is threaded through the third screw hole 15. The bottom end of the adapter 31 extends into the second oil inlet hole 63 and is fixedly provided with a second sealing ring 32.
[0050] In this embodiment, the adapter 31 has shaped surfaces on both sides for easy wrench locking. By rotating the adapter 31 with a wrench, its bottom end extends into the second oil inlet 63. The second sealing ring 32 seals the adapter 31 and the second oil inlet 63. The adapter 31 is connected to the tester through a hose, thereby connecting the second oil inlet 63 to the tester. The operation is convenient and the connection effect is good.
[0051] In a preferred embodiment, such as Figure 2 and Figure 4 As shown, the target assembly 4 includes a target plate 41. The bottom end of the target plate 41 is fixedly connected to the support plate 1 by a second screw 42 and a first positioning pin 43. The top end of the target plate 41 is provided with a target hole 44 on the axis of the spray hole 61. The distance between the target hole 44 and the spray hole 61 meets the test requirements.
[0052] In this embodiment, the target plate 41 is positioned and installed on the support plate 1 by the second screw 42 and the first positioning pin 43. The positioning is accurate and the fixation is stable, ensuring that the spray hole 61 is aligned with the target hole 44 and ensuring the accuracy of the target test.
[0053] In a preferred embodiment, such as Figure 5 and Figure 8 As shown, the sealing assembly 5 includes a sealing bracket 51. The bottom end of the sealing bracket 51 is fixedly connected to the support plate 1 by a third screw 52 and a second positioning pin 53. The top end of the sealing bracket 51 is provided with a fourth screw hole 54 on the axis of the spray hole 61. A sealing post 55 is threaded through the fourth screw hole 54. A sealing groove 56 is provided at the bottom end of the sealing post 55. A rubber sealing gasket 57 is provided in the sealing groove 56.
[0054] In this embodiment, the sealing bracket 51 is positioned and installed on the support plate 1 by the third screw 52 and the second positioning pin 53. The positioning is accurate and the fixation is stable, ensuring that the sealing column 55 is aligned with the nozzle 61. By rotating the sealing column 55 with a wrench, the nozzle 61 is embedded into the sealing groove 56, and the rubber sealing gasket 57 seals the nozzle 61. The sealing effect is good, ensuring the accuracy of the sealing test.
[0055] In the description of this specification, the terms "connection," "installation," and "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0056] In the description of this specification, the terms "one embodiment," "some embodiments," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0057] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.
Claims
1. A clamping tool for performance detection of a gear box cover, characterized in that, The utility model provides a support plate (1) is provided with a through hole (11) on it, and the outer periphery of the through hole (11) is provided with a plurality of first screw holes (12) corresponding to the mounting hole (64) of the gear box cover (6), and the first screw holes (12) are all threadedly connected with first screws. A plugging assembly (2) is arranged on the support plate (1) and is used for plugging the first oil inlet hole (62) of the gear box cover (6). An adapter assembly (3) is arranged on the support plate (1) and is used for adapter connecting the second oil inlet hole (63) of the gear box cover (6) with a tester. A target assembly (4) is detachably fixed on the top surface of the support plate (1) and is used for target test of the gear box cover (6). A sealing assembly (5) is replaceable with the target assembly (4) and is fixed on the top surface of the support plate (1) and is used for density test of the spray hole (61) of the gear box cover (6). The top surface of the support plate (1) is provided with a positioning groove (13) on one side of the through hole (11) and is used for positioning installation of the target assembly (4) and the sealing assembly (5).
2. The clamping tool for detecting performance of a gear box cover according to claim 1, wherein The plugging assembly (2) comprises a plug (21), the support plate (1) is provided with a second screw hole (14) coaxial with the first oil inlet hole (62), the plug (21) is threadedly connected through the second screw hole (14), the bottom end of the plug (21) extends into the first oil inlet hole (62) and is fixedly provided with a first sealing ring (22).
3. The clamping tool for detecting performance of a gear box cover according to claim 1, wherein The adapter assembly (3) comprises an adapter (31), the support plate (1) is provided with a third screw hole (15) coaxial with the second oil inlet hole (63), the adapter (31) is threadedly connected through the third screw hole (15), the bottom end of the adapter (31) extends into the second oil inlet hole (63) and is fixedly provided with a second sealing ring (32).
4. The clamping tool for detecting performance of a gear box cover according to claim 1, wherein The target assembly (4) comprises a target plate (41), the bottom end of the target plate (41) is fixedly connected with the support plate (1) through a second screw (42) and a first positioning pin (43), the top end of the target plate (41) is provided with a target hole (44) on the axis of the spray hole (61), and the distance between the target hole (44) and the spray hole (61) meets the test requirement.
5. The clamping tool for detecting performance of a gear box cover according to claim 1, wherein The sealing assembly (5) comprises a sealing support (51), the bottom end of the sealing support (51) is fixedly connected with the support plate (1) through a third screw (52) and a second positioning pin (53), the top end of the sealing support (51) is provided with a fourth screw hole (54) on the axis of the spray hole (61), the fourth screw hole (54) is threadedly connected with a sealing column (55), the bottom end of the sealing column (55) is provided with a sealing groove (56), and the sealing groove (56) is provided with a rubber sealing gasket (57).
6. The clamping tool for detecting performance of a gear box cover according to claim 1, wherein