Traction wheel capable of preventing cable from being damaged

Abstract

The utility model relates to the technical field of traction wheels, and discloses a cable damage-free traction wheel which comprises a first shell, a hinge is fixedly connected to the upper surface of the left side of the first shell, a second shell is fixedly connected to the outer wall of the hinge, and a sliding block is slidably connected to the inner wall of a first connecting shell. A first rotating handle is fixedly connected to the outer wall of the right side of the lead screw, a connecting rod is rotatably connected to the outer wall of the first fixing rod, a sliding shell is rotatably connected to the outer wall of the second fixing rod, and second connecting shells are slidably connected to the outer walls of the front side and the rear side of the sliding shell. According to the cable traction device, the first rotating handle is rotated, the first rotating handle drives the lead screw to rotate, the angle of the hinge is adjusted through rotation of the lead screw, and due to the self-locking performance of the sliding block and the lead screw, the angle of the first shell and the angle of the second shell can be fixed, so that a cable can be kept more naturally bent in the traction process; and abrasion caused by sharp turning or unsmooth traction is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of traction wheels, in particular to a traction wheel that does not damage the cable. Background Art

[0002] A traction wheel is a device used to guide and pull cables, ropes or other wires. It is usually installed in cable laying, lifting or transmission systems. The rotation of the wheel reduces friction to ensure smooth movement of the wires. The design of the traction wheel can help disperse pressure, reduce wire wear, and improve work efficiency. It is commonly used in fields such as electricity, communications, construction and industry. During the cable pulling process, it is crucial to ensure that the cable is not damaged.

[0003] When the existing traction wheels are in use, the angle between the traction wheels is difficult to fix and adjust when encountering special corners, which will cause the cable to wear due to sharp turns or uneven traction, affecting the service life of the cable. Utility Model Content

[0004] In order to make up for the above deficiencies, the utility model provides a traction wheel that does not damage the cable, aiming to improve the problem that the existing traction wheel may wear the cable when encountering sharp turns or uneven traction during use.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] The cam is fixedly provided with a first locking mechanism, and the cam is fixedly provided with a lock member, and the lock member is fixedly provided with a lock member.

[0007] Preferably, the rotating assembly includes a third connecting shell, the rear outer wall of the third connecting shell is fixedly connected to the front outer wall of the first shell, and the upper inner wall of the third connecting shell is rotatably connected to a worm.

[0008] Preferably, a fixing ring is provided on the middle outer wall of the worm, and the front and rear outer walls of the fixing ring are fixedly connected to the front and rear inner walls of the third connecting shell.

[0009] Preferably, the upper outer wall of the worm is fixedly connected to a second handle, and the lower outer wall of the worm is meshingly connected to a worm wheel.

[0010] Preferably, the inner wall of the worm wheel is fixedly connected to a fixed shaft, and the front and rear outer walls of the fixed shaft are both arranged on the front and rear inner walls of the third connecting shell.

[0011] Preferably, a gear is fixedly connected to the middle outer wall of the fixed shaft, and a special-shaped rack is meshedly connected to the outer wall of the gear.

[0012] Preferably, the lower outer wall of the special-shaped rack is slidably connected to the upper inner wall of the third connecting shell, and the right outer wall of the special-shaped rack is provided with a connecting shaft.

[0013] Preferably, the left outer wall of the screw rod is arranged on the left inner wall of the first connecting shell, the outer wall of the third fixing rod is rotatably connected to the left inner wall of the first connecting shell, and the upper surface of the second connecting shell is fixedly connected to the lower surface of the second shell.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, by rotating the first handle, the first handle drives the screw to rotate, and the rotation of the screw allows the angle of the hinge to be adjusted. Due to the self-locking nature of the sliding block and the screw, the angle of the first shell and the second shell can be fixed, thereby achieving the effect of making the cable maintain a more natural bend during the traction process and reducing wear caused by sharp turns or uneven traction.

[0016] 2. In the present invention, by rotating the second handle, the second handle drives the worm to rotate, and the rotation of the worm causes the special-shaped rack to clamp and loosen the connecting shaft, thereby facilitating the removal and replacement of traction wheels of different calibers and improving the applicability of the traction wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a cable-safe traction wheel proposed by the present invention;

[0018] Figure 2 This is a schematic cross-sectional view of the internal structure of the first connecting shell of a traction wheel that does not damage the cable proposed by the utility model;

[0019] Figure 3 This is a schematic cross-sectional view of the internal structure of the third connecting shell of a traction wheel that does not damage the cable proposed by the utility model.

[0020] Legend:

[0021] 1. First housing; 2. Hinge; 3. Second housing; 4. First connecting housing; 5. Sliding block; 6. Screw; 7. First handle; 8. First fixed rod; 9. Connecting rod; 10. Second fixed rod; 11. Sliding housing; 12. Third fixed rod; 13. Second connecting housing; 14. Third connecting housing; 15. Worm; 16. Fixed ring; 17. Worm gear; 18. Fixed shaft; 19. Gear; 20. Special-shaped rack; 21. Connecting shaft; 22. Second handle. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings of the specification 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.

[0023] Reference Figure 1 and Figure 2 The utility model provides an embodiment of a cable-proof traction wheel, comprising a first shell 1, a hinge 2 being fixedly connected to the left upper surface of the first shell 1, an outer wall of the hinge 2 being fixedly connected to the second shell 3, a middle upper surface of the first shell 1 being fixedly connected to the first connecting shell 4, an inner wall of the first connecting shell 4 being slidably connected to a sliding block 5, an inner wall of the sliding block 5 being threadedly connected to a screw rod 6, a right outer wall of the screw rod 6 being fixedly connected to a first turning handle 7, front and rear outer walls of the sliding block 5 being fixedly connected to a first fixing rod 8, an outer wall of the first fixing rod 8 being rotatably connected to a connecting rod 9, an upper inner wall of the connecting rod 9 being rotatably connected to a second fixing rod 10, an outer wall of the second fixing rod 10 being rotatably connected to a sliding shell 11, a lower inner wall of the sliding shell 11 being rotatably connected to a third fixing rod 12, and front and rear outer walls of the sliding shell 11 being slidably connected to a second connecting shell 13, a rotating assembly being provided on the front outer wall of the first shell 1, and the rotating assembly being used to rotate a worm gear 17;

[0024] Specifically, the first handle 7 is rotated, and the rotation of the first handle 7 drives the screw rod 6 to rotate, the rotation of the screw rod 6 drives the sliding block 5 to slide, the sliding block 5 slides and drives the first fixed rod 8 to slide, the sliding of the first fixed rod 8 drives the connecting rod 9 to rotate, the rotation of the connecting rod 9 drives the second fixed rod 10 to rotate around the first fixed rod 8, the rotation of the second fixed rod 10 drives the sliding shell 11 to rotate around the third fixed rod 12, the rotation of the sliding shell 11 drives the second connecting shell 13 to rotate around the hinge 2, and the rotation of the second connecting shell 13 drives the second outer shell 3 to rotate around the hinge 2, thereby completing the adjustment of the angle between the first outer shell 1 and the hinge 2.

[0025] Reference Figure 1 and Figure 3, the rotating assembly includes a third connecting shell 14, the rear outer wall of the third connecting shell 14 is fixedly connected to the front outer wall of the first shell 1, and the upper inner wall of the third connecting shell 14 is rotatably connected to the worm 15; the middle outer wall of the worm 15 is provided with a fixing ring 16, and the front and rear outer walls of the fixing ring 16 are fixedly connected to the front and rear inner walls of the third connecting shell 14; the upper outer wall of the worm 15 is fixedly connected to the second hand 22, and the lower outer wall of the worm 15 is meshed with the worm gear 17; the inner wall of the worm gear 17 is fixedly connected to the fixed shaft 18, and the front and rear outer walls of the fixed shaft 18 are both provided on the front and rear inner walls of the third connecting shell 14; the middle outer wall of the fixed shaft 18 is fixedly connected to the gear 19, and the outer wall of the gear 19 is meshed with the special-shaped rack 20; the lower outer wall of the special-shaped rack 20 is slidably connected to the upper inner wall of the third connecting shell 14, and the right outer wall of the special-shaped rack 20 is provided with a connecting shaft 21;

[0026] Specifically, the second handle 22 is rotated, and the worm 15 driven by the second handle 22 is rotated, and the worm 15 is rotated to drive the worm wheel 17 to rotate, and the worm wheel 17 is rotated to drive the fixed shaft 18 to rotate, and the fixed shaft 18 is rotated to drive the gear 19 to rotate, and the gear 19 is rotated to drive the special-shaped rack 20 to slide relative to each other, thereby completing the clamping and loosening of the connecting shaft 21.

[0027] Reference Figure 1 and Figure 2 , the left outer wall of the screw rod 6 is arranged on the left inner wall of the first connecting shell 4, the outer wall of the third fixing rod 12 is rotatably connected to the left inner wall of the first connecting shell 4, and the upper surface of the second connecting shell 13 is fixedly connected to the lower surface of the second shell 3;

[0028] Specifically, the screw rod 6 is used to adjust the horizontal position of the sliding block 5, the third fixing rod 12 is used to rotate the sliding shell 11, and the rotation of the second connecting shell 13 drives the second shell 3 to adjust the angle.

[0029] Working principle: When using the traction wheel, rotate the first handle 7. When the first handle 7 rotates, it drives the screw rod 6 of the outer wall to rotate. When the screw rod 6 rotates, it drives the sliding block 5 of the outer wall to slide. When the sliding block 5 slides, it drives the first fixed rod 8 of the outer wall to slide. When the first fixed rod 8 slides, it drives the connecting rod 9 of the outer wall to rotate. When the connecting rod 9 rotates, it drives the second fixed rod 10 of the inner wall to rotate around the first fixed rod 8. When the second fixed rod 10 rotates, it drives the sliding shell 11 of the outer wall to rotate around the third fixed rod 12. When the sliding shell 11 rotates, it drives the second connecting shell 13 to rotate around the hinge 2. When the second connecting shell 13 rotates, it drives the second outer shell 3 to rotate around the hinge 2, realizing the first outer To adjust the angle between the shell 1 and the hinge 2, rotate the second handle 22. When the second handle 22 is rotated, the worm 15 on the outer wall will be driven to rotate. When the worm 15 is rotated, the worm wheel 17 on the outer wall will be driven to rotate. When the worm wheel 17 is rotated, the fixed shaft 18 on the inner wall will be driven to rotate. When the fixed shaft 18 is rotated, the gear 19 on the outer wall will be driven to rotate. When the gear 19 is rotated, the special-shaped rack 20 on the outer wall will be driven to slide relative to each other, thereby clamping and loosening the connecting shaft 21. This not only achieves the effect of making the cable maintain a more natural bending during the traction process and reducing wear caused by sharp turns or uneven traction, but also facilitates the removal and replacement of traction wheels of different calibers, thereby improving the applicability of the traction wheel.

[0030] 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 cable-safe traction wheel comprising a first housing (1), characterized in that: The left upper surface of the first shell (1) is fixedly connected to a hinge (2), the outer wall of the hinge (2) is fixedly connected to the second shell (3), the middle upper surface of the first shell (1) is fixedly connected to a first connecting shell (4), the inner wall of the first connecting shell (4) is slidably connected to a sliding block (5), the inner wall of the sliding block (5) is threadedly connected to a screw rod (6), the right outer wall of the screw rod (6) is fixedly connected to a first handle (7), and the front and rear outer walls of the sliding block (5) are both fixedly connected to a first fixing rod (8). The outer wall of the first fixed rod (8) is rotatably connected to a connecting rod (9), the upper inner wall of the connecting rod (9) is rotatably connected to a second fixed rod (10), the outer wall of the second fixed rod (10) is rotatably connected to a sliding shell (11), the lower inner wall of the sliding shell (11) is rotatably connected to a third fixed rod (12), the front and rear outer walls of the sliding shell (11) are slidably connected to a second connecting shell (13), and the front outer wall of the first outer shell (1) is provided with a rotating assembly, which is used to rotate the worm gear (17).

2. The cable-safe traction wheel according to claim 1, characterized in that: The rotating assembly comprises a third connecting shell (14), the rear outer wall of the third connecting shell (14) is fixedly connected to the front outer wall of the first outer shell (1), and the upper inner wall of the third connecting shell (14) is rotatably connected to a worm (15).

3. The cable-safe traction wheel according to claim 2, characterized in that: A fixing ring (16) is provided on the middle outer wall of the worm (15), and the front and rear outer walls of the fixing ring (16) are fixedly connected to the front and rear inner walls of the third connecting shell (14).

4. The cable-safe traction wheel according to claim 3, characterized in that: The upper outer wall of the worm (15) is fixedly connected to a second handle (22), and the lower outer wall of the worm (15) is meshedly connected to a worm wheel (17).

5. The cable-safe traction wheel according to claim 4, characterized in that: The inner wall of the worm wheel (17) is fixedly connected to a fixed shaft (18), and the front and rear outer walls of the fixed shaft (18) are both arranged on the front and rear inner walls of the third connecting shell (14).

6. The cable-safe traction wheel according to claim 5, characterized in that: A gear (19) is fixedly connected to the middle outer wall of the fixed shaft (18), and a special-shaped rack (20) is meshedly connected to the outer wall of the gear (19).

7. The cable-safe traction sheave according to claim 6, characterized in that: The lower outer wall of the special-shaped rack (20) is slidably connected to the upper inner wall of the third connecting shell (14), and the right outer wall of the special-shaped rack (20) is provided with a connecting shaft (21).

8. The cable-safe traction sheave according to claim 1, characterized in that: The left outer wall of the screw rod (6) is arranged on the left inner wall of the first connecting shell (4), the outer wall of the third fixing rod (12) is rotatably connected to the left inner wall of the first connecting shell (4), and the upper surface of the second connecting shell (13) is fixedly connected to the lower surface of the second outer shell (3).

Images