Motorcycle crankshaft clamp

Abstract

The utility model relates to the technical field of motorcycle crankshaft machining, and discloses a motorcycle crankshaft clamp which comprises a bottom plate, the upper portion of the bottom plate is fixedly connected with a supporting frame, the interior of the supporting frame is rotationally connected with a two-way threaded rod, the right end of the two-way threaded rod is fixedly connected with a rotating disc, and the right side of the rotating disc is fixedly connected with a rotating rod. And threaded blocks are in threaded connection with the two sides of the exterior of the two-way threaded rod, limiting blocks are fixedly connected to the lower sides of the threaded blocks, connecting blocks are fixedly connected to the upper sides of the threaded blocks, the connecting blocks are slidably connected to the interiors of the sliding grooves, and supporting assemblies are fixedly connected to the upper sides of the connecting blocks. According to the clamping device, adjustment can be carried out according to specific requirements, the clamping device is made to adapt to motorcycle engine crankshafts of different types and sizes, the clamped crankshafts can be driven to rotate, machining of other areas of the crankshafts is facilitated, the universality is improved, and the application range is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of motorcycle crankshaft processing, in particular to a motorcycle crankshaft clamp. Background Art

[0002] A fixture refers to a device used to fix the processing object in the mechanical manufacturing process so that it occupies the correct position for construction or inspection. Different workpieces require different fixtures. The crankshaft, as an irregular workpiece, requires a special fixing fixture.

[0003] The present invention relates to a base and an annular fixing frame, wherein the left side of the upper end face of the base is provided with a slide groove, the center of the left end face of the base is provided with a main shaft neck hole, the left side of the main shaft neck hole is provided with a front end shaft hole, the right side of the upper end face of the base is provided with a fastening plate slide groove, the fastening plate slide groove is slidably connected to the first slider, the top of the second slider is fixedly connected to the fastening plate, and the center of the fastening plate is provided with a rear end shaft hole. In the utility model, the size of the clamp can be adjusted appropriately according to the number of crankshaft cranks by arranging the fastening plate slide groove, slide groove, second slider, fastening plate slider, etc., so that crankshafts of different sizes can be processed, which saves costs to a certain extent and saves time for replacing the clamps. This design has huge economic benefits and a wide application market, and is worthy of promotion and use.

[0004] However, when the above device is used, it is not possible to clamp and fix crankshafts of different sizes, thereby reducing the machining efficiency of the crankshafts. Utility Model Content

[0005] The utility model aims to solve the defect in the prior art that crankshafts of different sizes cannot be clamped and fixed, and proposes a motorcycle crankshaft clamp.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a motorcycle crankshaft clamp, comprising a base plate, the upper part of the base plate is fixedly connected to a support frame, the internal rotation of the support frame is connected to a two-way threaded rod, the right end of the two-way threaded rod is fixedly connected to a turntable, the right side of the turntable is fixedly connected to a turn rod, both sides of the outside of the two-way threaded rod are threadedly connected to threaded blocks, the lower side of the threaded block is fixedly connected to a limiting block, the upper side of the threaded block is fixedly connected to a connecting block, the connecting block is slidably connected to the inside of a slide groove, and the upper side of the connecting block is fixedly connected to a support assembly.

[0007] As a further description of the above technical solution:

[0008] The support assembly includes a support column, which is fixedly connected to the upper side of the connecting block. The top of the support column is fixedly connected to a fixing frame, and the side of the fixing frame that is away from the support frame is fixedly connected to a support plate.

[0009] As a further description of the above technical solution:

[0010] The upper side of the support plate is fixedly connected to a motor, the output end of the motor is fixedly connected to a first gear, the lower side of the first gear is meshedly connected to a second gear, the adjacent side of the second gear is fixedly connected to a connecting rod, the adjacent end of the connecting rod is fixedly connected to a fixed frame, and the inner sides of the fixed frame are fixedly connected to clamping components.

[0011] As a further description of the above technical solution:

[0012] The clamping assembly includes a telescopic rod, which is fixedly connected to both sides of the interior of the fixing frame. A spring is sleeved on the exterior of the telescopic rod, and a clamping block is fixedly connected to the output end of the telescopic rod.

[0013] As a further description of the above technical solution:

[0014] The side of the second gear that is away from the second gear is rotatably connected to a fixing rod, and the fixing rod is fixedly connected to the inside of the fixing frame.

[0015] As a further description of the above technical solution:

[0016] A limiting groove is provided on the upper side of the bottom plate, and a limiting block is slidably connected inside the limiting groove.

[0017] As a further description of the above technical solution:

[0018] The sliding groove is arranged inside the supporting frame.

[0019] As a further description of the above technical solution:

[0020] One end of the spring is fixedly connected to both sides of the interior of the fixing frame, and the other end of the spring is fixedly connected to one side of the clamping block.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the turntable and the bidirectional threaded rod are rotated by manually rotating the rotating rod, and the rotation of the bidirectional threaded rod drives the threaded block, the connecting block, the support column, the fixing frame and the support plate to move, so that the connecting block slides inside the slide groove. At the same time, the movement of the threaded block drives the limit block to slide inside the limit groove, and then drives the fixing frame to move, so that the device can be adjusted according to specific needs to adapt to motorcycle engine crankshafts of different types and sizes.

[0023] 2. In the present invention, the first gear, the second gear, the connecting rod and the fixed frame are driven to rotate by starting the motor, thereby driving the crankshaft to rotate, thereby driving the clamped crankshaft to rotate, which is beneficial for processing other areas of the crankshaft to improve versatility and scope of application. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional diagram of a motorcycle crankshaft clamp proposed by the present utility model;

[0025] Figure 2 This is a partial structural diagram of a motorcycle crankshaft clamp proposed by the present invention;

[0026] Figure 3 The utility model is a schematic diagram of the internal structure of a fixing frame of a motorcycle crankshaft clamp.

[0027] Legend:

[0028] 1. Base plate; 2. Support frame; 3. Bidirectional threaded rod; 4. Turntable; 5. Turning rod; 6. Threaded block; 7. Limit block; 8. Limit slot; 9. Connecting block; 10. Slide; 11. Support column; 12. Fixed frame; 13. Support plate; 14. Motor; 15. First gear; 16. Second gear; 17. Connecting rod; 18. Fixed rod; 19. Fixed frame; 20. Telescopic rod; 21. Spring; 22. Clamp. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] Reference Figure 1 The utility model provides an embodiment of a motorcycle crankshaft clamp, comprising a base plate 1, the upper part of the base plate 1 is fixedly connected to a support frame 2, the internal rotation connection of the support frame 2 is a two-way threaded rod 3, the right end of the two-way threaded rod 3 is fixedly connected to a turntable 4, the right side of the turntable 4 is fixedly connected to a rotating rod 5, the outer sides of the two-way threaded rod 3 are threadedly connected to threaded blocks 6, the lower side of the threaded block 6 is fixedly connected to a limiting block 7, the upper side of the threaded block 6 is fixedly connected to a connecting block 9, the connecting block 9 is slidably connected to the inside of a slide groove 10, and the upper side of the connecting block 9 is fixedly connected to a supporting assembly; the supporting assembly comprises a supporting column 11, the supporting column 11 is fixedly connected to the upper side of the connecting block 9, the top of the supporting column 11 is fixedly connected to a fixing frame 12, and the side away from the fixing frame 12 is fixedly connected to a support plate 13.

[0031] By manually rotating the rotating rod 5, the turntable 4 and the bidirectional threaded rod 3 are driven to rotate. The rotation of the bidirectional threaded rod 3 drives the threaded block 6, the connecting block 9, the support column 11, the fixing frame 12 and the support plate 13 to move, so that the connecting block 9 slides inside the slide groove 10. At the same time, the movement of the threaded block 6 drives the limit block 7 to slide inside the limit groove 8, and then drives the fixing frame 19 to move, which plays a role of adjustment according to specific needs.

[0032] Reference Figure 1 、 Figure 2 、 Figure 3 The upper side of the support plate 13 is fixedly connected to the motor 14, the output end of the motor 14 is fixedly connected to the first gear 15, the lower side of the first gear 15 is meshed with the second gear 16, the adjacent side of the second gear 16 is fixedly connected to the connecting rod 17, the adjacent end of the connecting rod 17 is fixedly connected to the fixed frame 19, and the inner sides of the fixed frame 19 are fixedly connected to the clamping assembly; the clamping assembly includes a telescopic rod 20, the telescopic rod 20 is fixedly connected to the inner sides of the fixed frame 19, the outer side of the telescopic rod 20 is provided with a spring 21, and the output end of the telescopic rod 20 is fixedly connected to the clamping block 22.

[0033] By placing the crankshaft inside the clamp 22, the telescopic rod 20 and the spring 21 are provided to clamp and fix the crankshaft, and the starting motor 14 drives the first gear 15, the second gear 16, the connecting rod 17 and the fixed frame 19 to rotate, thereby driving the crankshaft to rotate, thereby driving the clamped crankshaft to rotate.

[0034] Reference Figure 1 、 Figure 2 、 Figure 3 The second gear 16 is rotatably connected to the side away from the fixing rod 18, and the fixing rod 18 is fixedly connected to the inside of the fixing frame 12; a limiting groove 8 is provided on the upper side of the base plate 1, and the inside of the limiting groove 8 is slidably connected to the limiting block 7; the slide groove 10 is arranged inside the support frame 2; one end of the spring 21 is fixedly connected to both sides of the inside of the fixing frame 19, and the other end of the spring 21 is fixedly connected to one side of the clamping block 22.

[0035] A fixing rod 18 is rotatably connected to the side away from the second gear 16, and the fixing rod 18 is fixedly connected to the inside of the fixing frame 12, which plays a role in supporting the second gear 16; a limiting groove 8 is provided on the upper side of the base plate 1, and the limiting block 7 is slidably connected to the inside of the limiting groove 8, which plays a role in supporting and limiting the threaded block 6; the sliding groove 10 is arranged inside the support frame 2, which plays a role in limiting the connecting block 9; one end of the spring 21 is fixedly connected to both sides of the inside of the fixing frame 19, and the other end of the spring 21 is fixedly connected to one side of the clamping block 22, which plays a role in clamping the crankshaft.

[0036] Working principle: When using this device, by manually rotating the rotating rod 5, the rotating rod 5 drives the turntable 4 to rotate, the rotation of the turntable 4 drives the bidirectional threaded rod 3 to rotate, the rotation of the bidirectional threaded rod 3 drives the threaded block 6 to move, the movement of the threaded block 6 drives the connecting block 9 to slide inside the slide groove 10, and at the same time, the movement of the threaded block 6 drives the limit block 7 to slide inside the limit groove 8, the movement of the connecting block 9 drives the support column 11 to move, the movement of the support column 11 drives the fixing frame 12 to move, the movement of the fixing frame 12 drives the support plate 13 to move, and then drives the fixing frame 19 to move, so that it can be adjusted according to specific needs. , so that the device can adapt to motorcycle engine crankshafts of different types and sizes. When it is moved to the appropriate position, the crankshaft is placed inside the clamping block 22, and the provided telescopic rod 20 and spring 21 clamp and fix the crankshaft. By starting the motor 14, the motor 14 starts to drive the first gear 15 to rotate, the first gear 15 rotates to drive the second gear 16 to rotate, the second gear 16 rotates to drive the connecting rod 17 to rotate, the connecting rod 17 rotates to drive the fixed frame 19 to rotate, and then drives the crankshaft to rotate, so that the clamped crankshaft can be driven to rotate, which is beneficial to processing other areas of the crankshaft to improve versatility and applicability.

[0037] Finally, it should be noted that the above is only 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 can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A motorcycle crankshaft fixture, comprising a base plate (1), characterized in that: The upper part of the base plate (1) is fixedly connected to a support frame (2), the interior of the support frame (2) is rotatably connected to a bidirectional threaded rod (3), the right end of the bidirectional threaded rod (3) is fixedly connected to a turntable (4), the right side of the turntable (4) is fixedly connected to a turnbar (5), both sides of the exterior of the bidirectional threaded rod (3) are threadedly connected to threaded blocks (6), the lower side of the threaded block (6) is fixedly connected to a limiting block (7), the upper side of the threaded block (6) is fixedly connected to a connecting block (9), the connecting block (9) is slidably connected to the interior of a slide groove (10), and the upper side of the connecting block (9) is fixedly connected to a support assembly; The support assembly comprises a support column (11), the support column (11) is fixedly connected to the upper side of the connection block (9), the top end of the support column (11) is fixedly connected to a fixing frame (12), and the side of the fixing frame (12) away from the support column (11) is fixedly connected to a support plate (13); The upper side of the support plate (13) is fixedly connected to a motor (14), the output end of the motor (14) is fixedly connected to a first gear (15), the lower side of the first gear (15) is meshedly connected to a second gear (16), the adjacent side of the second gear (16) is fixedly connected to a connecting rod (17), the adjacent end of the connecting rod (17) is fixedly connected to a fixing frame (19), and both sides of the interior of the fixing frame (19) are fixedly connected to clamping assemblies; The clamping assembly comprises a telescopic rod (20), the telescopic rod (20) being fixedly connected to both sides of the interior of a fixed frame (19), a spring (21) being sleeved on the exterior of the telescopic rod (20), and a clamping block (22) being fixedly connected to the output end of the telescopic rod (20).

2. A motorcycle crankshaft clamp according to claim 1, characterized in that: The second gear (16) is rotatably connected to a fixed rod (18) on a side away from the second gear (16), and the fixed rod (18) is fixedly connected to the inside of the fixed frame (12).

3. The motorcycle crankshaft clamp according to claim 1, characterized in that: A limiting groove (8) is provided on the upper side of the bottom plate (1), and the interior of the limiting groove (8) is slidably connected to the limiting block (7).

4. The motorcycle crankshaft clamp according to claim 1, characterized in that: The slide groove (10) is arranged inside the support frame (2).

5. The motorcycle crankshaft clamp according to claim 1, characterized in that: One end of the spring (21) is fixedly connected to both sides of the interior of the fixed frame (19), and the other end of the spring (21) is fixedly connected to one side of the clamping block (22).

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