CN221500444U - Tensioning adjusting assembly and stay cord mechanism - Google Patents
Tensioning adjusting assembly and stay cord mechanism Download PDFInfo
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- CN221500444U CN221500444U CN202420084906.5U CN202420084906U CN221500444U CN 221500444 U CN221500444 U CN 221500444U CN 202420084906 U CN202420084906 U CN 202420084906U CN 221500444 U CN221500444 U CN 221500444U
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- cross arm
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- guide frame
- wire slot
- slot hole
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- 238000004804 winding Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a tensioning and adjusting assembly and a pull rope mechanism, belongs to the technical field of engineering machinery, and aims to solve the technical problems that a plurality of ropes are difficult to uniformly bear force due to installation errors and are easy to wind and tie a knot among the ropes in the prior art. The tensioning adjusting assembly and the pull rope mechanism comprise a cross arm, wherein a first wire slot hole is formed in one end of the cross arm, a pair of first pulleys are installed in the first wire slot hole, a second wire slot hole is formed in the other end of the cross arm, a guide frame is embedded in the second wire slot hole in a sliding mode, a pair of second pulleys are installed in the guide frame, a screw rod is connected to one end, far away from the first wire slot hole, of the guide frame, one end, far away from the guide frame, of the screw rod penetrates through the end portion of the cross arm, and a driving piece used for driving the screw rod to move is arranged at the end portion of the cross arm; the driving piece comprises a sleeve block rotatably arranged on the end wall of the cross arm and a motor fixedly arranged on the end wall of the cross arm, and the sleeve block is in threaded sleeve joint with the screw rod.
Description
Technical Field
The utility model belongs to the technical field of engineering machinery, and particularly relates to a tensioning and adjusting assembly and a pull rope mechanism.
Background
The hoist is a small and light hoisting device, also called winch, for hoisting or pulling heavy objects by winding steel wire ropes or chains by using reels. The hoist may vertically lift, horizontally or obliquely drag the weight. The device is mainly applied to lifting or flat dragging of materials of buildings, hydraulic engineering, forestry, mines, yards and the like.
In the process of hoisting objects by using a winch, multiple ropes are needed to be synchronously pulled to bear so as to reduce the load of a single pull rope, but the hoisting objects by using multiple ropes are easy to cause the difficulty in simultaneously and evenly stressing the multiple ropes due to installation errors and the like, and the multiple ropes are easy to wind and knot, so that the application provides a tensioning adjusting assembly and a pull rope mechanism to solve the problems.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model aims to provide a tensioning and adjusting assembly and a pull rope mechanism, and aims to solve the technical problems that a plurality of ropes are difficult to uniformly bear force due to installation errors and are easy to wind and knot between the ropes in the prior art.
Technical proposal
In order to solve the technical problems, the utility model provides a tensioning adjusting assembly, which comprises a cross arm, wherein one end of the cross arm is provided with a first wire slot hole, a pair of first pulleys are arranged in the first wire slot hole, the other end of the cross arm is provided with a second wire slot hole, a guide frame is embedded in the second wire slot hole in a sliding manner, a pair of second pulleys are arranged in the guide frame, one end of the guide frame, far away from the first wire slot hole, is connected with a screw rod, one end of the screw rod, far away from the guide frame, penetrates through the end part of the cross arm, and the end part of the cross arm is provided with a driving piece for driving the screw rod to move.
Further, the driving piece comprises a sleeve block rotatably arranged on the end wall of the cross arm and a motor fixedly arranged on the end wall of the cross arm, the sleeve block is in threaded sleeve joint with the screw rod, a driving gear is connected to a driving shaft of the motor, and the driving gear is meshed with the sleeve block.
Furthermore, the two inner side walls of the second wire slot hole are provided with sliding grooves, and the side walls of the guide frame are provided with guide convex strips which are in sliding fit with the sliding grooves.
Further, a pair of rotating arms are rotatably arranged at the middle position in the guide frame, and a pair of second pulleys are respectively arranged between two ends of the rotating arms.
Further, the two ends of the inner portion of the guide frame are fixed with sliding rods along the same length direction, two sliding rods are sleeved with sliding blocks in a sliding mode, and a pair of connecting arms are connected between the sliding blocks and the two ends of a pair of rotating arms in a rotating mode respectively.
Furthermore, two sliding rods are fixed with end plates at opposite ends, and springs are sleeved on the sliding rods between the end plates and the sliding blocks.
The pull rope mechanism comprises a winch and a tensioning adjusting assembly arranged on one side of the winch, wherein the tensioning adjusting assembly is according to the technical scheme.
Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, one end of the cross arm, which faces the first wire slot hole, is fixed on one side of the winch, one rope on the winch passes through the space between the pair of first pulleys and is used for suspending one end of an object, the other rope on the winch passes through the S-shaped space around the pair of second pulleys and is used for suspending the other end of the object, and the two ropes are used for suspending the object, so that the single bearing weight can be reduced, the stress point is increased, and the horizontal suspension of the object is facilitated.
According to the utility model, through the arrangement of the guide frame, the screw rod and the driving piece, in the process of hoisting an object by using two ropes, the driving gear is driven to rotate by the starting motor, the driving gear is meshed with the sleeve block, and the sleeve block is matched with the screw thread of the screw rod, so that the screw rod drives the guide frame to move away from the first pulley, a pair of second pulleys can be driven to move away from the first pulley, the tensioning of the ropes bypassing the pair of second pulleys can be realized, the even stress of the two ropes is ensured, the two ropes can be separated, the winding of the two ropes in the object hoisting process is avoided, the structure is simple, the tensioning operation is carried out at the position of the two ropes close to the winch, and the separation and tensioning effects on the ropes are more obvious.
According to the utility model, the elastic force of the spring to the sliding block pushes the sliding block, so that the sliding block can slide along the sliding rod and the rotating arm is pulled to rotate through the connecting arm, the pair of second pulleys can deflect angularly along with the rotating arm, the ropes bypassing the pair of second pulleys are further tensioned, and the tensioning effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a cross arm structure according to the present utility model;
FIG. 3 is a schematic view of a frame structure according to the present utility model;
fig. 4 is a schematic structural view of a driving member in the present utility model.
The marks in the drawings are: 1. a hoist; 2. a cross arm; 3. a first wire slot; 4. a second wire slot; 5. a first pulley; 6. a guide frame; 7. a second pulley; 8. a screw rod; 9. a driving member; 10. a chute; 11. a guide convex strip; 12. a rotating arm; 13. a slide block; 14. a connecting arm; 15. a slide bar; 16. an end plate; 17. a spring; 18. sleeving blocks; 19. a motor; 20. and a drive gear.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment provides a tensioning adjustment assembly, the structure of which is shown in fig. 2-4, the tensioning adjustment assembly comprises a cross arm 2, a first wire slot 3 is formed in one end of the cross arm 2, a pair of first pulleys 5 are installed in the first wire slot 3, a second wire slot 4 is formed in the other end of the cross arm 2, a guide frame 6 is embedded in the second wire slot 4 in a sliding mode, a pair of second pulleys 7 are installed in the guide frame 6, one rope penetrates between the pair of first pulleys 5 and is used for hanging one end of an object, the other rope penetrates through the pair of second pulleys 7 and is used for hanging the other end of the object, hanging of the object is achieved through synchronous winding and releasing of the two ropes, hanging of the object is achieved through the two ropes, single bearing weight can be reduced, a stress point is increased, and horizontal hanging of the object is facilitated.
In a further embodiment, one end of the guide frame 6 far away from the first wire slot hole 3 is connected with a screw rod 8, one end of the screw rod 8 far away from the guide frame 6 penetrates through the end of the cross arm 2, the end of the cross arm 2 is provided with a driving piece 9 used for driving the screw rod 8 to move, specifically, the driving piece 9 comprises a sleeve block 18 rotatably installed on the end wall of the cross arm 2 and a motor 19 fixedly installed on the end wall of the cross arm 2, the sleeve block 18 is in threaded sleeve fit with the screw rod 8, a driving gear 20 is connected to a driving shaft of the motor 19, the driving gear 20 is meshed with the sleeve block 18, the driving gear 20 is driven to rotate by starting the motor 19, the screw rod 8 is driven to drive the guide frame 6 to move away from the first pulley 5 by utilizing the meshing of the driving gear 20 and the sleeve block 18 and the screw thread of the screw rod 8, so that a pair of second pulleys 7 can be driven to move away from the first pulley 5, the tensioning of ropes bypassing the pair of second pulleys 7 can be realized, the two ropes can be uniformly stressed, the two ropes can be separated, the two ropes can be prevented from winding and beating in the object hoisting process, and the two ropes are further obviously separated from each other by the tensioning operation at the position of the two ropes close to the winch 1.
In this embodiment, the two inner side walls of the second wire slot 4 are provided with a sliding groove 10, the side wall of the guide frame 6 is provided with a guiding convex strip 11 which is in sliding fit with the sliding groove 10, and the sliding fit between the guiding convex strip 11 and the sliding groove 10 can guide the movement of the guide frame 6 in the second wire slot 4.
In a further embodiment, a pair of rotating arms 12 are rotatably mounted at the middle position in the guide frame 6, a pair of second pulleys 7 are respectively mounted between two ends of the pair of rotating arms 12, two ends in the guide frame 6 are respectively fixed with sliding rods 15 along the same length direction, two sliding rods 15 are in sliding sleeve connection with sliding blocks 13, a pair of sliding rods 13 are respectively rotatably connected with two ends of the pair of rotating arms 12, one ends of the two sliding rods 15, which are opposite, are respectively fixed with end plates 16, springs 17 are sleeved on the sliding rods 15 between the end plates 16 and the sliding rods 13, the sliding rods 13 can slide along the sliding rods 15 and pull the rotating arms 12 to rotate through the connecting arms 14 by means of elastic force of the springs 17, the pair of second pulleys 7 follow the rotating arms 12 to perform angle deflection, ropes bypassing the pair of second pulleys 7 are further tensioned, and tensioning effects are improved.
Referring to fig. 1, a pull rope mechanism includes a hoist 1 and a tension adjusting assembly installed at one side of the hoist 1, where the tension adjusting assembly is the tension adjusting assembly described above, and two ropes can be simultaneously unwound or wound up by the hoist 1, and the tension adjusting assembly is matched for hoisting an object.
Working principle: when the rope tensioning device is used, one end, facing the first wire slot hole 3, of the cross arm 2 in the tensioning adjusting assembly is fixed on one side of the winch 1 in the rope pulling mechanism, one rope on the winch 1 passes through a space between the pair of first pulleys 5 and is used for suspending one end of an object, the other rope on the winch 1 passes through the S-shaped space and bypasses the pair of second pulleys 7 and is used for suspending the other end of the object, and the object is suspended by synchronously winding and unwinding the two ropes. In the process of hoisting objects by using two ropes, the driving gear 20 is driven to rotate by the starting motor 19, the driving gear 20 is meshed with the sleeve block 18, the sleeve block 18 is matched with threads of the screw rod 8, the screw rod 8 is driven to drive the guide frame 6 to move away from the first pulley 5, and accordingly, the pair of second pulleys 7 can be driven to move away from the first pulley 5, tensioning of the ropes bypassing the pair of second pulleys 7 can be achieved, even stress of the two ropes is ensured, the two ropes can be separated, winding and knotting of the two ropes in the process of hoisting objects are avoided, in addition, the sliding block 13 can slide along the sliding rod 15 and rotate by pulling the rotating arm 12 through the connecting arm 14 by means of elastic force pushing of the spring 17, the pair of second pulleys 7 follow the rotating arm 12 to deflect in an angle, and further tensioning of the ropes bypassing the pair of second pulleys 7.
All technical features in the embodiment can be freely combined according to actual needs.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. A tensioning adjustment assembly comprising a cross arm (2), characterized in that:
The novel wire guide device is characterized in that a first wire slot hole (3) is formed in one end of the cross arm (2), a pair of first pulleys (5) are arranged in the first wire slot hole (3), a second wire slot hole (4) is formed in the other end of the cross arm (2), a guide frame (6) is embedded in the second wire slot hole (4) in a sliding mode, a pair of second pulleys (7) are arranged in the guide frame (6), a screw rod (8) is connected to one end, far away from the first wire slot hole (3), of the guide frame (6), one end, far away from the guide frame (6), of the screw rod (8) penetrates through the end portion of the cross arm (2), and a driving piece (9) used for driving the screw rod (8) to move is arranged at the end portion of the cross arm (2).
2. A tensioning adjustment assembly according to claim 1, characterized in that the driving member (9) comprises a sleeve block (18) rotatably mounted on the end wall of the cross arm (2) and a motor (19) fixedly mounted on the end wall of the cross arm (2), the sleeve block (18) is in threaded socket fit with the screw rod (8), a driving gear (20) is connected to the driving shaft of the motor (19), and the driving gear (20) is meshed with the sleeve block (18).
3. The tensioning adjustment assembly according to claim 1, characterized in that sliding grooves (10) are formed in two inner side walls of the second wire slot hole (4), and guide raised strips (11) which are in sliding fit with the sliding grooves (10) are arranged on the side walls of the guide frame (6).
4. A tensioning adjustment assembly according to claim 1, characterized in that a pair of swivel arms (12) are rotatably mounted in the guide frame (6) at a central position thereof, and a pair of said second pulleys (7) are mounted between the two ends of a pair of said swivel arms (12), respectively.
5. The tensioning adjustment assembly according to claim 4, wherein sliding rods (15) are fixed at two ends of the interior of the guide frame (6) along the same length direction, sliding blocks (13) are sleeved on the two sliding rods (15) in a sliding manner, and a connecting arm (14) is rotatably connected between each pair of the sliding blocks (13) and two ends of a pair of rotating arms (12).
6. A tensioning adjustment assembly according to claim 5, characterized in that the two slide bars (15) are each fixed with an end plate (16) at their opposite ends, and that the slide bars (15) between the end plates (16) and the slide blocks (13) are provided with springs (17) in a sleeved manner.
7. A rope pulling mechanism, characterized by comprising a winding engine (1) and a tensioning and adjusting assembly arranged at one side of the winding engine (1), wherein the tensioning and adjusting assembly is the tensioning and adjusting assembly according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420084906.5U CN221500444U (en) | 2024-01-15 | 2024-01-15 | Tensioning adjusting assembly and stay cord mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420084906.5U CN221500444U (en) | 2024-01-15 | 2024-01-15 | Tensioning adjusting assembly and stay cord mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221500444U true CN221500444U (en) | 2024-08-09 |
Family
ID=92122910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420084906.5U Active CN221500444U (en) | 2024-01-15 | 2024-01-15 | Tensioning adjusting assembly and stay cord mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221500444U (en) |
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2024
- 2024-01-15 CN CN202420084906.5U patent/CN221500444U/en active Active
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| GR01 | Patent grant | ||
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