An adjustable tension device

Abstract

The utility model discloses an adjustable tension device, which comprises a workbench and a reversing cover plate, wherein an adjusting ring is arranged on the inner side of the middle part of the reversing cover plate, a positioning shaft is arranged inside the adjusting ring, a U-shaped supporting top cover is arranged on the bottom of the positioning shaft, a second supporting shaft is arranged on the lower side of the inner side of the U-shaped supporting top cover, a third clamping ring is arranged on the middle surface of the second supporting shaft, and by arranging the adjusting ring and the movable handle, a sawtooth rope suspended above the third clamping ring can be driven by the continuously rising third clamping ring to an upward state, thereby achieving a tension tightening state of the sawtooth rope, and the sawtooth rope in a tension tight state can better grasp the surface of an object and provide a higher friction force, so that the sawtooth rope is convenient for cutting the object.

Description

Technical Field

[0001] The utility model relates to the technical field of tension adjustment, in particular to an adjustable tension device. Background Art

[0002] As a special cutting tool, wire saw is suitable for cutting hard materials such as reinforced concrete, rock, ceramics, brick walls, etc., and is widely used. In actual work, in order to improve the processing effect, workers often need to adjust the tightness of the wire rope.

[0003] The current traditional tension device may not be able to achieve accurate tension control on the cutting equipment because it cannot be accurately controlled and adjusted, which may affect the cutting efficiency and quality. Utility Model Content

[0004] The utility model aims to provide an adjustable tension device, which can solve the problem of the tension device realizing accurate tension control on cutting equipment, improve cutting efficiency and reduce the quality impact caused by cutting.

[0005] To achieve the above-mentioned purpose, an adjustable tension device is provided, comprising a workbench and a reversing cover plate, characterized in that an adjusting ring is arranged on the inner side of the middle portion of the reversing cover plate, a positioning shaft is arranged inside the adjusting ring, a U-shaped supporting top cover is arranged at the bottom of the positioning shaft, a second supporting shaft is arranged at the lower inner side of the U-shaped supporting top cover, a third clamping ring is arranged on the middle surface of the second supporting shaft, third limiting rings are arranged on both side surfaces of the outer side of the second supporting shaft, and third limiting blocks are arranged on both ends of the outer side of the second supporting shaft, a movable ring groove is arranged at the lower inner side of the adjusting ring, a movable clamping ring is arranged on the lower outer side of the positioning shaft, a movable handle is arranged on the upper and outer side of the adjusting ring, a limiting clamping ring is arranged on the outer top of the adjusting ring, a first support plate and a second support plate are respectively arranged at the two ends of the inner side of the reversing cover plate, and a driving rotating shaft is arranged at the lower inner side of the first support plate. , a driving motor is provided at the outer end of one side of the driving shaft, and a second clamping ring is provided on the middle surface of the driving shaft, and second limiting rings are provided on both sides of the outer surface of the driving shaft, and a second limiting block is provided on the outer end of the other side of the driving shaft, and a first support shaft is provided at the lower inner side of the second support plate, a first clamping ring is provided on the middle surface of the first support shaft, first limiting rings are provided on both sides of the outer surface of the first support shaft, and first limiting blocks are provided at both ends of the outer side of the first support shaft, and a serrated rope is provided on the inner sides of the first clamping ring and the second clamping ring, and a fixed plate is provided on one side of the top of the workbench, and first connecting blocks are provided on both sides of the top of the fixed plate, and a second connecting block is provided at the lower middle of one side of the reversal cover plate, a movable shaft is provided inside the first connecting block and the second connecting block, and anti-slip rings are provided on both sides of the outer side of the movable shaft.

[0006] According to the adjustable tension device, the adjusting ring is connected to the inner side of the middle part of the inverted cover plate by a threaded lifting connection, the positioning shaft provides a snap-fitting and rotating connection between the movable ring groove and the movable snap ring and is connected to the internal positioning support of the adjusting ring, the U-shaped support top cover is connected to the inner side of the inverted cover plate through a fixed contact connection at the bottom of the positioning shaft to form a lifting movable connection, the inner side of the movable handle is connected to the outer side of the upper side of the adjusting ring by a threaded adjustment connection, the bottom of the movable handle is snap-fitting and rotatingly connected to the top surface of the inverted cover plate, and the outer top of the adjusting ring is fixedly contacted and connected to the limiting snap ring.

[0007] According to the adjustable tension device, the second support shaft is fixedly connected to the inner support of the U-shaped support top cover through a third limit block thread, the third clamping ring is clamped and supported with the middle surface of the second support shaft, and both sides of the third clamping ring are maintained in a positioning state with the middle surface of the second support shaft through the third limit ring.

[0008] According to the adjustable tension device, two of the first support plates and the second support plates are provided, and the two first support plates and the second support plates are respectively fixedly contacted and connected with the two ends of the inner side of the reversal cover plate.

[0009] According to the adjustable tension device, the outer end of one side of the driving shaft is connected to the lower inner side of the first support plate through a driving motor for limited rotation, the driving motor is fixedly contacted with the outer surface of the first support plate, the second locking ring is maintained in a positioning state with the middle surface of the driving shaft through a second limiting ring, and the outer end of the other side of the driving shaft is connected to the inner side of the first support plate through a second limiting block for locking support.

[0010] According to the adjustable tension device, the first support shaft is connected to the lower inner side of the second support plate by a first limit block, and the first clamping ring is maintained in a positioning state with the middle surface of the first support shaft by the first limit ring.

[0011] According to the adjustable tension device, the inner side of the serrated rope is movably connected to the inner side supports of the first clamping ring and the second clamping ring respectively, and the inner side of the middle part of the serrated rope is suspended in contact with the outer side of the third clamping ring.

[0012] According to the adjustable tension device, the fixed plate is connected to a fixed support on one side of the top of the workbench, the inverted cover plate is connected to the rotating support above the workbench through a first connecting block, a second connecting block, a movable shaft and an anti-slip ring, and the inverted cover plate forms a supporting contact connection with the top of the fixed plate.

[0013] The above scheme has the beneficial effect: by providing an adjustment ring and a movable handle, the serrated rope suspended above the third clamping ring can be driven upward by the continuously rising third clamping ring, thereby achieving a tension tightening state of the serrated rope. The serrated rope in a tensioned state can better grasp the surface of an object and provide a higher friction force, making it easier for the serrated rope to cut the object.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a structural schematic diagram of an adjustable tension device of the utility model;

[0017] Figure 2 This is a schematic structural diagram of a cutting device with an adjustable tension device according to the utility model;

[0018] Figure 3 This is a structural cross-sectional view of a cutting device with an adjustable tension device according to the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of an adjusting ring of an adjustable tension device of the utility model;

[0020] Figure 5 This is a structural cross-sectional view of an adjusting ring of an adjustable tension device of the utility model;

[0021] Figure 6 This is a structural sectional view of an adjustable tension device of the utility model.

[0022] Legend:

[0023] 1. Workbench; 2. Reversing cover; 3. First support plate; 4. Second support plate; 5. Fixed plate; 6. Driving motor; 7. First limiting ring; 8. First supporting shaft; 9. First clamping ring; 10. First limiting block; 11. Sawtooth rope; 12. U-shaped supporting top cover; 13. Second limiting block; 14. Second clamping ring; 15. Second limiting ring; 16. Driving shaft; 17. Third clamping ring; 18. Second supporting shaft; 19. Third limiting ring; 20. Third limiting block; 21. Adjusting ring; 22. Movable handle; 23. Limiting clamping ring; 24. Positioning shaft; 25. Movable clamping ring; 26. Movable ring groove; 27. Anti-slip ring; 28. First connecting block; 29. ​​Second connecting block; 30. Movable shaft. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Reference Figure 1-6 , the utility model embodiment is an adjustable tension device, which includes a workbench 1 and a reversing cover plate 2, an adjusting ring 21 is arranged on the inner side of the middle part of the reversing cover plate 2, a positioning shaft 24 is arranged inside the adjusting ring 21, a U-shaped support top cover 12 is arranged at the bottom of the positioning shaft 24, a second support shaft 18 is arranged at the lower inner side of the U-shaped support top cover 12, a third clamping ring 17 is arranged on the middle surface of the second support shaft 18, third limiting rings 19 are arranged on both sides of the outer surface of the second support shaft 18, and third limiting blocks 20 are arranged at both ends of the outer side of the second support shaft 18, a movable ring groove 26 is arranged at the lower inner side of the adjusting ring 21, a movable snap ring 25 is arranged on the lower outer surface of the positioning shaft 24, a movable handle 22 is arranged on the upper outer side of the adjusting ring 21, and a limiting snap ring 23 is arranged on the top outer side of the adjusting ring 21, a first support plate 3 and a second support plate 4 are arranged at the two ends of the inner side of the reversing cover plate 2, and a driving shaft 16 is arranged at the lower inner side of the first support plate 3 A driving motor 6 is provided at the outer end of one side of the driving shaft 16, a second clamping ring 14 is provided on the middle surface of the driving shaft 16, second limiting rings 15 are provided on both sides of the outer surface of the driving shaft 16, and a second limiting block 13 is provided at the outer end of the other side of the driving shaft 16. A first supporting shaft 8 is provided at the lower inner side of the second support plate 4, a first clamping ring 9 is provided on the middle surface of the first supporting shaft 8, first limiting rings 7 are provided on both sides of the outer surface of the first supporting shaft 8, and first limiting blocks 10 are provided at both ends of the outer side of the first supporting shaft 8. A serrated rope 11 is provided on the inner sides of the first clamping ring 9 and the second clamping ring 14, a fixing plate 5 is provided on one side of the top of the workbench 1, and first connecting blocks 28 are provided on both sides of the top of the fixing plate 5, and a second connecting block 29 is provided at the lower middle part of one side of the reversing cover plate 2, and movable shafts 30 are provided inside the first connecting block 28 and the second connecting block 29, and rear anti-slip rings 27 are provided on both sides of the outer side of the movable shaft 30.

[0026] The adjusting ring 21 is connected to the inner side of the middle part of the reversing cover plate 2 by threaded lifting, and the positioning shaft 24 provides a snap-fitting and rotating connection between the movable ring groove 26 and the movable snap ring 25 and is connected to the internal positioning support of the adjusting ring 21. The U-shaped supporting top cover 12 is connected to the inner side of the reversing cover plate 2 by a fixed contact connection at the bottom of the positioning shaft 24. The movable ring groove 26 and the movable snap ring 25 are provided to prevent the adjusting ring 21 from driving the third snap ring 17 upward, and the U-shaped supporting top cover 12 is affected by the rotating adjusting ring 21 by the thread. The inner side of the movable handle 22 is connected to the outer side of the upper side of the adjusting ring 21 by threaded adjustment, and the bottom of the movable handle 22 is connected to the inner side of the reversing cover plate 21. The top surface of the reversal cover 2 is engaged and rotatably connected, the outer top of the adjusting ring 21 is fixedly contacted and connected with the limiting snap ring 23, the second support shaft 18 is fixedly connected with the inner support of the U-shaped support top cover 12 through the third limiting block 20, and the third snap ring 17 is engaged and supported by the middle surface of the second support shaft 18. Both sides of the third snap ring 17 are kept in a positioning state with the middle surface of the second support shaft 18 through the third limiting ring 19. Two first support plates 3 and second support plates 4 are each provided, and the two first support plates 3 and second support plates 4 are respectively fixedly contacted and connected with the two ends of the inner side of the reversal cover 2, and the outer end of one side of the driving shaft 16 is driven by The motor 6 is connected to the lower inner side of the first support plate 3 for limited rotation, the driving motor 6 is connected to the outer surface of the first support plate 3 for fixed contact, the second clamping ring 14 is kept in a positioning state with the middle surface of the driving shaft 16 through the second limiting ring 15, the outer end of the other side of the driving shaft 16 is connected to the inner side of the first support plate 3 through the second limiting block 13 for clamping support, the first support shaft 8 is connected to the lower inner side of the second support plate 4 for clamping support through the first limiting block 10, the first clamping ring 9 is kept in a positioning state with the middle surface of the first support shaft 8 through the first limiting ring 7, and the inner side of the serrated rope 11 is respectively supported and moved with the inner sides of the first clamping ring 9 and the second clamping ring 14 The inner side of the middle part of the sawtooth rope 11 is connected in suspended contact with the outer side of the third locking ring 17, the fixed plate 5 is connected to a fixed support on one side of the top of the workbench 1, the reversal cover plate 2 is connected to the rotation support above the workbench 1 through the first connecting block 28, the second connecting block 29, the movable shaft 30 and the anti-slip ring 27, the reversal cover plate 2 is connected to the top of the fixed plate 5 to form a supporting contact connection, the fixed plate 5 is connected to a fixed support on one side of the top of the workbench 1, the reversal cover plate 2 is connected to the rotation support above the workbench 1 through the first connecting block 28, the second connecting block 29, the movable shaft 30 and the anti-slip ring 27, the reversal cover plate 2 is connected to the top of the fixed plate 5 to form a supporting contact connection.

[0027] Working principle: Place the object on the surface of the workbench 1, and move the cutting device on the inner side of the reversing cover 2 and the serrated rope 11 close to the object on the surface of the workbench 1 through the anti-slip ring 27, the first connecting block 28, the second connecting block 29 and the movable shaft 30, start the driving motor 6, drive the driving shaft 16 and the second clamping ring 14 to rotate, and use the provided serrated rope 11 to increase the friction with the inner side of the first clamping ring 9 and the second clamping ring 14 to achieve high-speed rotation of the serrated rope 11. When the tension of the serrated rope 11 needs to be adjusted, by rotating the movable handle 22, the adjusting ring 21 connected by the threaded lifting connection and the inner side of the middle part of the reversing cover 2 are in an ascending state, and the movable ring groove 26 and the movable clamping ring 25 are used to prevent the adjusting ring 21 from driving the third clamping ring 17 upward, while the U-shaped supporting top cover 12 is affected by the rotation of the adjusting ring 21 due to the threaded rotation.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An adjustable tension device, comprising: A workbench (1) and an inverted cover (2), characterized in that an adjusting ring (21) is arranged on the inner side of the middle of the inverted cover (2), a positioning shaft (24) is arranged inside the adjusting ring (21), a U-shaped supporting top cover (12) is arranged at the bottom of the positioning shaft (24), a second supporting shaft (18) is arranged below the inner side of the U-shaped supporting top cover (12), a third locking ring (17) is arranged on the middle surface of the second supporting shaft (18), third limiting rings (19) are arranged on both sides of the outer surface of the second supporting shaft (18), and the second supporting shaft (1 8) A third limit block (20) is provided at both ends of the outside, a movable ring groove (26) is provided at the lower inner side of the adjusting ring (21), a movable snap ring (25) is provided on the lower outer surface of the positioning shaft (24), a movable handle (22) is provided on the upper outer side of the adjusting ring (21), a limit snap ring (23) is provided on the top outer side of the adjusting ring (21), a first support plate (3) and a second support plate (4) are provided at both ends of the inner side of the reversing cover plate (2), a driving shaft (16) is provided at the lower inner side of the first support plate (3), and the driving shaft (16) ) is provided with a driving motor (6) at one outer end, a second locking ring (14) is provided on the middle surface of the driving shaft (16), second limiting rings (15) are provided on both outer surfaces of the driving shaft (16), a second limiting block (13) is provided on the other outer end of the driving shaft (16), a first supporting shaft (8) is provided at the lower inner side of the second supporting plate (4), a first locking ring (9) is provided on the middle surface of the first supporting shaft (8), first limiting rings (7) are provided on both outer surfaces of the first supporting shaft (8), and the first supporting shaft ( 8) First limit blocks (10) are provided at both ends of the outside, sawtooth ropes (11) are provided inside the first clamping ring (9) and the second clamping ring (14), a fixed plate (5) is provided on one side of the top of the workbench (1), first connecting blocks (28) are provided on both sides of the top of the fixed plate (5), a second connecting block (29) is provided at the lower middle of one side of the reversing cover plate (2), movable shafts (30) are provided inside the first connecting block (28) and the second connecting block (29), and rear anti-slip rings (27) are provided on both sides of the outside of the movable shaft (30).

2. An adjustable tension device according to claim 1, characterized in that: The adjusting ring (21) is connected to the inner side of the middle part of the reversing cover plate (2) by means of a threaded lifting connection; the positioning shaft (24) provides a snap-fitting and rotating connection between the movable ring groove (26) and the movable snap ring (25) and is connected to the internal positioning support of the adjusting ring (21); the U-shaped supporting top cover (12) is connected to the inner side of the reversing cover plate (2) by means of a fixed contact connection at the bottom of the positioning shaft (24); the inner side of the movable handle (22) is connected to the outer side of the upper side of the adjusting ring (21) by means of a threaded adjustment connection; the bottom of the movable handle (22) is snap-fitted and rotatably connected to the top surface of the reversing cover plate (2); and the outer top of the adjusting ring (21) is fixedly contacted and connected to the limiting snap ring (23).

3. The adjustable tension device according to claim 1, characterized in that: The second support shaft (18) is threadedly fixedly connected to the inner support of the U-shaped support top cover (12) through a third limiting block (20), and the third clamping ring (17) is clamped and supported with the middle surface of the second support shaft (18), and both sides of the third clamping ring (17) are maintained in a positioning state with the middle surface of the second support shaft (18) through a third limiting ring (19).

4. The adjustable tension device according to claim 1, characterized in that: Two of the first support plates (3) and the second support plates (4) are provided, and the two first support plates (3) and the two second support plates (4) are respectively fixedly contacted and connected with the two ends of the inner side of the reversing cover plate (2).

5. The adjustable tension device according to claim 4, characterized in that: The outer end of one side of the driving shaft (16) is connected to the lower inner side of the first support plate (3) in a limited rotational manner through a driving motor (6); the driving motor (6) is fixedly contacted with the outer surface of the first support plate (3); the second clamping ring (14) is maintained in a positioning state with the middle surface of the driving shaft (16) through a second limiting ring (15); the outer end of the other side of the driving shaft (16) is connected to the inner side of the first support plate (3) through a clamping support between the second limiting block (13).

6. The adjustable tension device according to claim 1, characterized in that: The first support shaft (8) is connected to the lower inner side of the second support plate (4) by means of a first limiting block (10), and the first locking ring (9) is maintained in a positioning state with the middle surface of the first support shaft (8) by means of a first limiting ring (7).

7. The adjustable tension device according to claim 1, characterized in that: The inner side of the sawtooth rope (11) is movably connected to the inner sides of the first clamping ring (9) and the second clamping ring (14) respectively, and the inner side of the middle part of the sawtooth rope (11) is connected to the outer side of the third clamping ring (17) in suspended contact.

8. The adjustable tension device according to claim 1, characterized in that: The fixed plate (5) is fixedly supported and connected to one side of the top of the workbench (1); the reversing cover plate (2) is rotatably supported and connected to the top of the workbench (1) via a first connecting block (28), a second connecting block (29), a movable shaft (30) and an anti-slip ring (27); and the reversing cover plate (2) is connected to the top of the fixed plate (5) in a supporting contact manner.

Images