CN220906812U - Self-weight pay-off rack buffer tensioning mechanism - Google Patents
Self-weight pay-off rack buffer tensioning mechanism Download PDFInfo
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- CN220906812U CN220906812U CN202322791260.2U CN202322791260U CN220906812U CN 220906812 U CN220906812 U CN 220906812U CN 202322791260 U CN202322791260 U CN 202322791260U CN 220906812 U CN220906812 U CN 220906812U
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- 239000007787 solid Substances 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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Abstract
The utility model discloses a self-weight pay-off rack buffer tensioning mechanism, which relates to the technical field of pay-off racks and particularly comprises a base, wherein the upper surface of the base is provided with a fixing frame, one side surface of the fixing frame is provided with a control assembly, the top of the control assembly is provided with two first rollers, the upper part of the first rollers is provided with a limiting assembly, the bottom of the control assembly is provided with a third roller, the two first rollers are symmetrically arranged above the control assembly, the lower part of the control assembly is provided with two second rollers and the third roller, the two second rollers and the third roller form a V shape together, the middle part of the V shape is provided with a pressure sensor, the upper and lower heights of the third roller are further adjusted, and the tension of a cable is regulated and controlled at any time, so that the problem that the existing pay-off rack tensioning mechanism is poor in tension adjustment flexibility of the released cable through a spring at the bottom and is unfavorable for accurately controlling the tension is solved.
Description
Technical Field
The utility model relates to the technical field of pay-off racks, in particular to a self-weight pay-off rack buffer tensioning mechanism.
Background
The pay-off rack can be called a cable pay-off rack, an optical cable pay-off rack, a tension pay-off rack and the like according to purposes, is mainly used for supporting a cable drum to pay off, and is mainly used for inserting a shaft rod into a hole in the middle of the cable drum when in use, and then a driving mechanism on the pay-off rack is used for driving the cable drum to rotate so as to release a cable on the cable drum.
The existing pay-off rack is provided with a tension buffer mechanism, and the cable tends to swing in the releasing process, so that the tension of the cable can be changed, the cable in the releasing process is mainly kept tensioned through a spring at the bottom end, the tension adjusting flexibility is poor, and the accurate tension control is not facilitated.
Disclosure of utility model
Aiming at the defects that the prior pay-off rack tensioning mechanism keeps tensioning of the released cable through the spring at the bottom end in the prior art, the tension adjusting flexibility is poor, and the accurate tension control is not facilitated.
The utility model discloses a self-weight pay-off rack buffer tensioning mechanism, which comprises a base, wherein the upper surface of the base is provided with a fixing frame, one side of the fixing frame is provided with a control assembly, the top of the control assembly is provided with two first rollers, a limiting assembly is arranged above the first rollers, the bottom of the control assembly is provided with a third roller, the outer surface of the third roller is rotationally connected with a rotating plate, one side of the rotating plate is fixedly connected with a fixing block, one side of the fixing block is fixedly connected with a second spring, the other end of the second spring is fixedly connected with a pressure sensor, one side of the pressure sensor is arranged on one side of the control assembly, and the inner wall of the rotating plate is rotationally connected with a second roller.
Further, the limiting assembly comprises a supporting plate, wherein the inner wall of the supporting plate is connected with a limiting rod in a sliding mode, and the cross section of the bottom of the limiting rod is hexagonal.
Further, the first spring has been cup jointed to the surface of restriction pole, the top of first spring and a side fixed connection of backup pad, the bottom fixed connection of first spring is at the surface of arc, the surface of arc and the bottom fixed connection of restriction pole, a side fixed connection of arc has the inserted bar.
Further, the control assembly comprises a telescopic rod, a supporting frame is fixedly connected to the top of the telescopic rod, and a control board is fixedly connected to the bottom of the telescopic rod.
Further, the inner wall of the support frame is rotationally connected with the outer surface of the first roller, and one side of the support frame is fixedly connected with one side of the fixing frame.
Further, the upper surface of support frame and the bottom fixed connection of backup pad, the inner wall of support frame and the surface sliding connection of inserted bar.
Further, one side of control panel and the inner wall sliding connection of mount, the bottom fixedly connected with restriction frame of control panel, the surface fixedly connected with solid fixed ring of restriction frame, the surface of solid fixed ring and the inner wall sliding connection of second spring, the surface of solid fixed ring and the inner wall sliding connection of fixed block, a side fixed connection of control panel and pressure sensor, the inner wall of restriction frame rotates with the surface of third gyro wheel to be connected.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the two first rollers are symmetrically arranged above the control assembly, the two second rollers and the third rollers are arranged below the control assembly, the two second rollers and the third rollers form a V shape together, the pressure sensor is arranged in the middle of the V shape, and the upper and lower heights of the third rollers are further adjusted up and down, so that the tension of a cable is regulated and controlled at any time, and the problem that the tension of the cable in release is kept to be tensioned through the spring at the bottom end of the conventional pay-off rack tensioning mechanism, so that the tension regulation flexibility is poor, and the tension is not beneficial to accurate control is solved.
2. According to the utility model, the arc-shaped plate is arranged above the first roller, the first spring is arranged above the arc-shaped plate, the top of the first spring is fixed on one side of the supporting plate, so that the first spring pushes the arc-shaped plate to move downwards, the arc-shaped plate covers the surface of the first roller, and the inner side of the arc-shaped plate is a smooth surface, so that a cable on the first roller is conveniently limited, the cable is prevented from being separated from the first roller, and the stability of releasing the cable is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;
FIG. 2 is a schematic perspective view of a support frame according to the present utility model;
FIG. 3 is a schematic perspective view of the fixing frame of the present utility model;
Fig. 4 is a schematic perspective view of an arc plate of the present utility model.
In the figure: 1. a base; 2. a fixing frame; 3. a control assembly; 301. a telescopic rod; 302. a control board; 303. a support frame; 304. a limiting frame; 4. a first roller; 5. a restriction assembly; 501. a support plate; 502. a restraining bar; 503. an arc-shaped plate; 504. a rod; 505. a first spring; 6. a pressure sensor; 7. a second spring; 8. a fixed block; 9. a rotating plate; 10. a second roller; 11. a fixing ring; 12. and a third roller.
Detailed Description
Various embodiments of the present utility model are disclosed in the following drawings, which are presented in sufficient detail to provide a thorough understanding of the present utility model. However, it should be understood that these physical details should not be used to limit the utility model. That is, in some embodiments of the present utility model, these physical details are not necessary. Moreover, for the sake of simplicity of illustration, some well-known and conventional structures and components are shown in the drawings in a simplified schematic manner.
Referring to fig. 1-4, the self-weight pay-off rack buffer tensioning mechanism of the utility model comprises a base 1, wherein a fixing frame 2 is arranged on the upper surface of the base 1, a control component 3 is arranged on one side of the fixing frame 2, two first rollers 4 are arranged at the top of the control component 3, a limiting component 5 is arranged above the first rollers 4, a third roller 12 is arranged at the bottom of the control component 3, a rotating plate 9 is rotatably connected to the outer surface of the third roller 12, a fixing block 8 is fixedly connected to one side of the rotating plate 9, a second spring 7 is fixedly connected to one side of the fixing block 8, a pressure sensor 6 is fixedly connected to the other end of the second spring 7, one side of the pressure sensor 6 is arranged on one side of the control component 3, and a second roller 10 is rotatably connected to the inner wall of the rotating plate 9.
Referring to fig. 4, the limiting assembly 5 includes a supporting plate 501, a limiting rod 502 is slidably connected to an inner wall of the supporting plate 501, a bottom section of the limiting rod 502 is hexagonal, the supporting plate 501 is L-shaped, a circular plate is disposed at one end of the limiting rod 502 above the supporting plate 501, and the limiting rod 502 has a hexagonal section, so as to achieve a rotation limiting effect and improve the vertical sliding stability of the limiting rod 502.
Referring to fig. 4, a first spring 505 is sleeved on an outer surface of a limiting rod 502, a top of the first spring 505 is fixedly connected with one side surface of a supporting plate 501, a bottom of the first spring 505 is fixedly connected with an outer surface of an arc plate 503, the outer surface of the arc plate 503 is fixedly connected with a bottom of the limiting rod 502, an inserting rod 504 is fixedly connected with one side surface of the arc plate 503, the first spring 505 is arranged between the L-shaped supporting plate 501 and the arc plate 503, and a downward thrust is provided for the arc plate 503 to limit cables.
Referring to fig. 2, the control assembly 3 includes a telescopic rod 301, a supporting frame 303 is fixedly connected to the top of the telescopic rod 301, a control board 302 is fixedly connected to the bottom of the telescopic rod 301, and the telescopic rod 301 is fixed on the supporting frame 303, so as to drive the control board 302 below to move up and down, adjust the height of the third roller 12, and control the tension of the cable.
Referring to fig. 4, the inner wall of the supporting frame 303 is rotatably connected with the outer surface of the first roller 4, one side of the supporting frame 303 is fixedly connected with one side of the fixing frame 2, and the number of the first rollers 4 is two and symmetrically distributed on the supporting frame 303 so as to support the first roller 4 through the supporting frame 303.
Referring to fig. 4, the upper surface of the supporting frame 303 is fixedly connected with the bottom of the supporting plate 501, the inner wall of the supporting frame 303 is slidably connected with the outer surface of the inserting rod 504, and the inserting rod 504 is inserted into the supporting frame 303 to limit the arc plate 503, and the inner side of the arc plate 503 is a smooth surface, so that friction between the arc plate 503 and the first roller 4 is reduced after the arc plate is covered, and the first roller 4 is rotated.
Referring to fig. 3, one side of the control board 302 is slidably connected with the inner wall of the fixing frame 2, the bottom of the control board 302 is fixedly connected with the limiting frame 304, the outer surface of the limiting frame 304 is fixedly connected with the fixing ring 11, the outer surface of the fixing ring 11 is slidably connected with the inner wall of the second spring 7, the outer surface of the fixing ring 11 is slidably connected with the inner wall of the fixing block 8, one side of the control board 302 is fixedly connected with one side of the pressure sensor 6, the inner wall of the limiting frame 304 is rotatably connected with the outer surface of the third roller 12, the third roller 12 and the two second rollers 10 form a V shape together through the limiting frame 304, the second roller 10 is located below the first roller 4, the second roller 10 supports the cable towards two sides, and when the cable tension is increased, the second roller 10 is extruded, and tension is detected.
When the utility model is used: the cable passes through the upper part of the first roller 4 above and downwards passes through the two first rollers 4, and passes through the side surfaces of the two second rollers 10 and the lower part of the third roller 12, and passes through one side of the other first roller 4 upwards, so that the cable forms a U shape and wraps the two second rollers 10 and the third roller 12, then the control board 302 is driven to move downwards through the telescopic rod 301, the control board 302 drives the third roller 12 to move downwards through the limiting frame 304, the cable is driven to bulge downwards so that the cable is kept in tension, the axis of the second roller 10 is located below the first roller 4, so that the cable forms an S shape between the first roller 4 and the second roller 10 below, when the tension of the cable is increased, the second roller 10 is extruded, the second roller 10 is simultaneously installed on the third roller 12 through the rotating plate 9, the second roller 10 is further rotated along the axis of the third roller 12, and the fixed block 8 is driven to move downwards through the rotating plate 9, the second roller 7 is extruded by the second roller 7, the tension sensor 6 is extruded by the second roller 7, the tension sensor is driven to move downwards when the cable is controlled to move downwards, the tension sensor 6 is controlled to move downwards, and the tension sensor is controlled to move downwards, the tension sensor is more accurately, and the tension sensor is controlled to move the cable downwards, and the tension sensor is more than the tension 6 is controlled to move down.
The above is merely an embodiment of the present utility model, and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principle of the present utility model, should be included in the scope of the claims of the present utility model.
Claims (7)
1. The utility model provides a dead weight formula pay off rack buffering straining device, includes base (1), its characterized in that: the upper surface of base (1) is provided with mount (2), a side of mount (2) is provided with control assembly (3), the top of control assembly (3) is provided with two first gyro wheels (4), the top of first gyro wheel (4) is provided with restriction subassembly (5), the bottom of control assembly (3) is provided with third gyro wheel (12), the surface rotation of third gyro wheel (12) is connected with rotor plate (9), a side fixedly connected with fixed block (8) of rotor plate (9), a side fixedly connected with second spring (7) of fixed block (8), another end fixedly connected with pressure sensor (6) of second spring (7), a side of pressure sensor (6) sets up a side at control assembly (3), the inner wall rotation of rotor plate (9) is connected with second gyro wheel (10).
2. The self-weight pay-off rack buffer tensioning mechanism of claim 1, wherein: the limiting assembly (5) comprises a supporting plate (501), wherein the inner wall of the supporting plate (501) is connected with a limiting rod (502) in a sliding mode, and the bottom section of the limiting rod (502) is hexagonal.
3. The self-weight pay-off rack buffer tensioning mechanism of claim 2, wherein: the outer surface of restriction pole (502) has cup jointed first spring (505), the top of first spring (505) is fixedly connected with one side of backup pad (501), the bottom fixed connection of first spring (505) is at the surface of arc (503), the surface of arc (503) and the bottom fixed connection of restriction pole (502), one side fixedly connected with inserted bar (504) of arc (503).
4. A self-weight pay-off rack buffer tensioning mechanism as claimed in claim 3, wherein: the control assembly (3) comprises a telescopic rod (301), a supporting frame (303) is fixedly connected to the top of the telescopic rod (301), and a control board (302) is fixedly connected to the bottom of the telescopic rod (301).
5. The self-weight pay-off rack buffer tensioning mechanism of claim 4, wherein: the inner wall of the support frame (303) is rotationally connected with the outer surface of the first roller (4), and one side surface of the support frame (303) is fixedly connected with one side surface of the fixing frame (2).
6. The self-weight pay-off rack buffer tensioning mechanism of claim 5, wherein: the upper surface of support frame (303) is fixed connection with the bottom of backup pad (501), the inner wall of support frame (303) is connected with the surface sliding of inserted bar (504).
7. The self-weight pay-off rack buffer tensioning mechanism of claim 6, wherein: one side of control panel (302) and the inner wall sliding connection of mount (2), the bottom fixedly connected with restriction frame (304) of control panel (302), the surface fixedly connected with solid fixed ring (11) of restriction frame (304), the surface of solid fixed ring (11) and the inner wall sliding connection of second spring (7), the surface of solid fixed ring (11) and the inner wall sliding connection of fixed block (8), a side of control panel (302) and a side fixed connection of pressure sensor (6), the inner wall of restriction frame (304) rotates with the surface of third gyro wheel (12) to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322791260.2U CN220906812U (en) | 2023-10-18 | 2023-10-18 | Self-weight pay-off rack buffer tensioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322791260.2U CN220906812U (en) | 2023-10-18 | 2023-10-18 | Self-weight pay-off rack buffer tensioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220906812U true CN220906812U (en) | 2024-05-07 |
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ID=90910144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322791260.2U Active CN220906812U (en) | 2023-10-18 | 2023-10-18 | Self-weight pay-off rack buffer tensioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220906812U (en) |
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2023
- 2023-10-18 CN CN202322791260.2U patent/CN220906812U/en active Active
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