A hydraulic clamp for flywheel housing
By designing a hydraulic clamp with hydraulic drive and multi-point positioning, the flywheel housing offset problem caused by the limited positioning range and clamping range of the existing fixture is solved, and a more stable and precise machining effect is achieved.
Patent Information
- Application Number
- CN202421569374.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-07-04
AI Technical Summary
During the flywheel housing processing, the positioning range and clamping range of existing fixtures are limited, which can easily lead to deviation of the flywheel housing.
A flywheel housing hydraulic clamp is designed, and four large oil cylinders and two small oil cylinders drive pressure plate parts are used to press and fix the flywheel housing. The Z positioning block, diamond positioning block and circular positioning block are accurately positioned to ensure that the flywheel housing does not tilt or move horizontally during processing.
It effectively avoids the deviation problem of flywheel housing during processing, ensuring the stability and accuracy of processing.
Smart Images

Figure CN222741288U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of clamps, in particular to a hydraulic clamp for a flywheel housing. Background Art
[0002] The flywheel housing bears the power of the transmission and plays the role of the support point of the power transmission. Due to its large capacity and the influence of irregular vibration, the material of the flywheel housing is generally cast iron. Good processing accuracy can ensure its strength and stability. In the processing scenario of the flywheel housing, greater requirements are placed on the processing fixture of the flywheel housing. The positioning range and clamping range of common processing fixtures are limited, and it is easy to offset during the processing of the flywheel housing. Utility Model Content
[0003] The utility model aims to provide a flywheel housing hydraulic clamp to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flywheel housing hydraulic clamp, comprising a main board, a cylinder support seat 1 and a large oil cylinder are arranged on the top of the main board, two cylinder support seats 1 are arranged and are symmetrically arranged on the main board, four large oil cylinders are arranged on the main board according to the size and shape of the flywheel housing, a small oil cylinder is fixedly installed on the top of the cylinder support seat 1, a pressure plate 3 is fixedly installed on the small cylinder, a pressure plate 1 is fixedly installed on the large cylinder, a Z positioning block A and a Z positioning block B are fixedly installed on the top of the main board, a cylinder support seat 2 is fixedly installed on the top of the main board, a large supporting cylinder is fixedly installed on the top of the cylinder support seat 2, a small supporting cylinder is fixedly installed on the outer wall of the small oil cylinder, and a diamond positioning block and a circular positioning block are fixedly installed on the top of the main board.
[0005] Furthermore, the pressure plate component 1 includes an articulated frame 1 and a pressure plate 1, the pressure plate 1 is fixedly installed on the outer wall of the large oil cylinder, the middle section of the pressure plate 1 is rotatably connected to the top of the articulated frame 1 through a pin shaft, and the tail end of the pressure plate 1 is hinged to the extended end of the large oil cylinder through a pin shaft, and the pressure plate component 3 includes an articulated frame 2 and a pressure plate 2, the articulated frame 2 is fixedly installed on the outer wall of the small oil cylinder, the middle section of the pressure plate 2 is rotatably connected to the top of the articulated frame 2 through a pin shaft, and the tail end of the pressure plate 2 is hinged to the extended end of the small oil cylinder through a pin shaft.
[0006] Furthermore, a coarse positioning rod is fixedly mounted on the main board, and four coarse positioning rods are provided and are arranged at different positions on the main board according to the size and shape of the flywheel housing.
[0007] Furthermore, positioning block pads are provided at the connection points between the Z positioning block A, the Z positioning block B and the mainboard.
[0008] Furthermore, a bushing is fixedly installed at the bottom of the diamond-shaped positioning block and the circular positioning block, the bushing is threadedly connected to the inner wall of the threaded hole on the top of the mainboard, and a guide sleeve pad is clamped at the bottom end of the bushing.
[0009] Furthermore, an oil joint is provided on the left side of the main board, and the oil joint is connected to the oil input and output ends of the large support cylinder, the small support cylinder, the large oil cylinder, and the small oil cylinder.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] 1. Use four large oil cylinders to drive the pressure plate one to press the flywheel housing, and use two small oil cylinders to drive the pressure plate three to assist the pressure plate one to press and fix the flywheel housing. Use small support cylinders and large support cylinders to support the flywheel housing to ensure that the flywheel housing will not tilt when the pressure plate one and the pressure plate three press the flywheel housing. Use Z positioning blocks A and Z positioning blocks B to position the flywheel housing. Set Z positioning block A near the pressure plate one to avoid force displacement of the flywheel housing when the pressure plate one presses the flywheel housing. Set diamond positioning blocks and circular positioning blocks to be inserted into the holes on the flywheel housing to avoid horizontal movement of the flywheel housing.
[0012] 2. The pin shaft is hinged with the extended end of the small oil cylinder, and the extension and retraction of the extended end of the large oil cylinder drives the pressure plate 1 to rotate, thereby tightening and loosening the flywheel housing. Similarly, the extended end of the small oil cylinder drives the pressure plate 2 to rotate, which is used to tighten and loosen the flywheel housing. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the utility model;
[0014] Figure 2 It is a structural schematic diagram of a perspective view of the utility model;
[0015] Figure 3 It is a structural schematic diagram of the right side cross-sectional view of the utility model;
[0016] Figure 4 It is a structural schematic diagram of a rear sectional view of the utility model.
[0017] In the figure: 1. main board; 2. pressure plate component 1; 3. pressure plate component 3; 4. coarse positioning rod; 5. oil cylinder support seat 1; 6. oil cylinder support seat 2; 7. Z positioning block A; 8. Z positioning block B; 9. diamond positioning block; 10. circular positioning block; 11. positioning block pad; 12. guide sleeve pad; 13. large support cylinder; 14. small support cylinder; 15. large oil cylinder; 16. small oil cylinder; 17. bushing; 18. oil joint; 201. articulated frame 1; 202. pressure plate 1; 301. articulated frame 2; 302. pressure plate 2. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0019] See also Figure 1-Figure 4 The utility model provides a technical solution: a flywheel housing hydraulic clamp, including a main board 1, a cylinder support seat 5 and a large oil cylinder 15 are arranged on the top of the main board 1, two cylinder support seats 5 are arranged, and are arranged symmetrically on the main board 1, four large oil cylinders 15 are arranged, and the four large oil cylinders 15 are arranged on the main board 1 according to the size and shape of the flywheel housing, a small oil cylinder 16 is fixedly installed on the top of the cylinder support seat 5, a pressure plate 3 is fixedly installed on the small oil cylinder 16, a pressure plate 2 is fixedly installed on the large oil cylinder 15, and a Z positioning block A 7 and a Z positioning block B are fixedly installed on the top of the main board 1. 8. The top of the main board 1 is fixedly installed with a cylinder support seat 2 6, the top of the cylinder support seat 2 6 is fixedly installed with a large support cylinder 13, the outer wall of the small cylinder 16 is fixedly installed with a small support cylinder 14, the top of the main board 1 is fixedly installed with a diamond positioning block 9 and a circular positioning block 10, four large cylinders 15 are used to drive the pressure plate 2 to press the flywheel housing, and two small cylinders 16 are used to drive the pressure plate 3 3 to assist the pressure plate 2 to press and fix the flywheel housing, and the flywheel housing is supported by the small support cylinder 14 and the large support cylinder 13 to ensure that the flywheel housing will not tilt when the pressure plate 2 and the pressure plate 3 3 press down the flywheel housing, and the flywheel housing is positioned by the Z positioning block A 7 and the Z positioning block B8. 7 is arranged near the pressing plate 2 to prevent the flywheel housing from being offset by force when the pressing plate 2 presses the flywheel housing. The diamond-shaped positioning block 9 and the circular positioning block 10 are arranged to be inserted into the holes on the flywheel housing to prevent the flywheel housing from moving horizontally.
[0020] The pressure plate part 2 includes an articulated frame 201 and a pressure plate 202. The pressure plate 202 is fixedly mounted on the outer wall of the large oil cylinder 15. The middle section of the pressure plate 202 is rotatably connected to the top of the articulated frame 201 through a pin. The tail end of the pressure plate 202 is hinged to the extended end of the large oil cylinder 15 through a pin. The pressure plate part 3 includes an articulated frame 301 and a pressure plate 302. The articulated frame 301 is fixedly mounted on the small oil cylinder 16. On the outer wall, the middle section of the second pressing plate 302 is rotatably connected to the top of the second hinge frame 301 through a pin shaft, and the tail end of the second pressing plate 302 is hinged to the extended end of the small oil cylinder 16 through a pin shaft. The extension and retraction of the extended end of the large oil cylinder 15 drive the first pressing plate 202 to rotate, thereby achieving the compression and loosening of the flywheel housing. Similarly, the extension end of the small oil cylinder 16 drives the second pressing plate 302 to rotate, which is used to compress and loosen the flywheel housing.
[0021] A coarse positioning rod 4 is fixedly mounted on the main board 1. Four coarse positioning rods 4 are provided and are arranged at different positions on the main board 1 according to the size and shape of the flywheel housing. The flywheel housing can be guided when the flywheel housing is placed to prevent the placement position of the flywheel housing from being too offset and exceeding the positioning range of the Z positioning block A 7 and the Z positioning block B 8.
[0022] The Z positioning block A7, the Z positioning block B8 and the main board 1 are connected with positioning block pads 11, which are used to install the Z positioning block A7 and the Z positioning block B8 on the main board 1;
[0023] The bottom of the diamond-shaped positioning block 9 and the circular positioning block 10 is fixedly installed with a bushing 17, which is threadedly connected to the inner wall of the threaded hole at the top of the main board 1. The bottom end of the bushing 17 is clamped with a guide sleeve pad 12. The diamond-shaped positioning block 9 and the circular positioning block 10 are installed on the main board 1 through the bushing 17, and the guide sleeve pad 12 is provided to support the bottom end of the bushing 17;
[0024] An oil joint 18 is provided on the left side of the main board 1, and the oil joint 18 is connected with the oil input and output ends of the large supporting cylinder 13, the small supporting cylinder 14, the large oil cylinder 15, and the small oil cylinder 16. The airtight joint 19 is connected with the airtight interfaces of the large supporting cylinder 13, the small supporting cylinder 14, the large oil cylinder 15, and the small oil cylinder 16. Oil is added to and discharged from the large supporting cylinder 13, the small supporting cylinder 14, the large oil cylinder 15, and the small oil cylinder 16 through the oil joint 18, so that the large supporting cylinder 13, the small supporting cylinder 14, the large oil cylinder 15, and the small oil cylinder 16 can work.
[0025] Working principle: When in use, use a manipulator to place the flywheel housing on the main board 1. During the placement process, the flywheel housing is guided by the coarse positioning rod 4. The Z positioning block A 7, Z positioning block B 8, diamond positioning block 9, and circular positioning block 10 are aligned with the positioning points on the flywheel housing to position the flywheel housing. The large cylinder 15 and the small cylinder 16 are turned on to push the pressing plate 1 202 and the pressing plate 2 302 to rotate, so that the pressing plate 1 202 and the pressing plate 2 302 are pressed at different positions on the flywheel housing, and the flywheel housing is pressed and fixed from multiple positions to ensure that the flywheel housing will not shift during the processing process.
[0026] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.
Claims
1. A flywheel housing hydraulic clamp, comprising a main plate (1), characterized in that: The top of the main board (1) is provided with a cylinder support seat (5) and a large cylinder (15). The cylinder support seat (5) is provided with two and is symmetrically arranged on the main board (1). The large cylinder (15) is provided with four. The four large cylinders (15) are arranged on the main board (1) according to the size and shape of the flywheel housing. A small cylinder (16) is fixedly installed on the top of the cylinder support seat (5). A pressure plate member (3) is fixedly installed on the small cylinder (16). The large cylinder A pressure plate part (2) is fixedly installed on (15), a Z positioning block A (7) and a Z positioning block B (8) are fixedly installed on the top of the main board (1), a cylinder support seat (6) is fixedly installed on the top of the main board (1), a large support cylinder (13) is fixedly installed on the top of the cylinder support seat (6), a small support cylinder (14) is fixedly installed on the outer wall of the small cylinder (16), and a diamond positioning block (9) and a circular positioning block (10) are fixedly installed on the top of the main board (1).
2. A flywheel housing hydraulic clamp according to claim 1, characterized in that: The pressure plate component 1 (2) includes an articulated frame 1 (201) and a pressure plate 1 (202), wherein the pressure plate 1 (202) is fixedly mounted on the outer wall of the large oil cylinder (15), the middle section of the pressure plate 1 (202) is rotatably connected to the top of the articulated frame 1 (201) via a pin, and the rear end of the pressure plate 1 (202) is hinged to the extended end of the large oil cylinder (15) via a pin. The pressure plate component 3 (3) includes an articulated frame 2 (301) and a pressure plate 2 (302), wherein the articulated frame 2 (301) is fixedly mounted on the outer wall of the small oil cylinder (16), the middle section of the pressure plate 2 (302) is rotatably connected to the top of the articulated frame 2 (301) via a pin, and the rear end of the pressure plate 2 (302) is hinged to the extended end of the small oil cylinder (16) via a pin.
3. A flywheel housing hydraulic clamp according to claim 1, characterized in that: A coarse positioning rod (4) is fixedly mounted on the main board (1), and four coarse positioning rods (4) are provided and are arranged at different positions on the main board (1) according to the size and shape of the flywheel housing.
4. A flywheel housing hydraulic clamp according to claim 1, characterized in that: Positioning block pads (11) are provided at the connection points between the Z positioning block A (7), the Z positioning block B (8) and the main board (1).
5. The flywheel housing hydraulic clamp according to claim 1, characterized in that: A bushing (17) is fixedly mounted at the bottom of the diamond-shaped positioning block (9) and the circular positioning block (10); the bushing (17) is threadedly connected to the inner wall of the threaded hole at the top of the main board (1); and a guide sleeve pad (12) is clamped at the bottom end of the bushing (17).
6. A flywheel housing hydraulic clamp according to claim 1, characterized in that: An oil joint (18) is provided on the left side of the main board (1), and the oil joint (18) is connected to the oil input and output ends of the large support cylinder (13), the small support cylinder (14), the large oil cylinder (15), and the small oil cylinder (16).