CN218968513U - Pay-off reel brake device - Google Patents
Pay-off reel brake device Download PDFInfo
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- CN218968513U CN218968513U CN202222703318.9U CN202222703318U CN218968513U CN 218968513 U CN218968513 U CN 218968513U CN 202222703318 U CN202222703318 U CN 202222703318U CN 218968513 U CN218968513 U CN 218968513U
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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Abstract
The utility model relates to the technical field of pay-off reels, in particular to a pay-off reel braking device, which comprises a roll shaft, a brake disc and a brake caliper assembly, wherein the diameter of the roll shaft is lower than 50mm, the roll shaft is inserted into a shaft hole of the pay-off reel and is locked and fixed by a locking mechanism; the brake device provided by the utility model can be applied to pay-off reels with different diameters of the coaxial holes, is composed of three parts of components as a whole, has a simple structure, is convenient to use, and has good applicability.
Description
Technical Field
The utility model relates to the technical field of pay-off reels, in particular to a pay-off reel braking device.
Background
When the distribution lines are used for construction paying-off, the rotating speed of the paying-off disc needs to be controlled, so that the phenomenon that cables on the disc are continuously pushed forward due to excessive rotation under the action of inertia or the cables originally compact on the disc are fluffy and disordered is avoided, and inconvenience is brought to construction paying-off.
In the prior art, tools such as a constructor holding an iron rod by hand generate friction force on a rotating pay-off reel to control the rotating speed of the pay-off reel, but such a method has a certain safety risk and can cause the pay-off reel to wear.
As another example, in chinese patent publication No. CN 104477696A, a pay-off reel braking device is disclosed, a braking seat is provided on the pay-off reel, a braking control button is rotatably connected to the braking seat, the braking control button is connected to a braking lever, a braking transmission structure for driving the braking lever to move axially is provided between the braking control button and the braking lever, a braking contact surface is provided between the braking lever and the pay-off reel, and the braking lever is connected to a braking lever resetting structure for returning the braking lever to an initial position after braking is completed; the brake control button is pulled to rotate, so that the brake rod is driven to axially move, and the brake contact surface between the brake rod and the pay-off disc is contacted, so that the pay-off disc is braked. However, it should be understood by those skilled in the art that some brake discs are very large in rotational inertia when fully loaded, and friction is performed between the brake lever and a single-sided disc surface of the brake disc to control the rotational speed of the brake disc, so that not only is the effect not ideal, but also moment is generated between the brake lever and the brake seat, and serious deformation of the brake lever or the brake control button is caused, resulting in rejection of the whole brake device.
In another example, publication number is CN 204858496U discloses a distribution line pay-off reel with a brake device, which comprises a base, a pay-off reel is placed on the base through a roll shaft, two sides of the pay-off reel are respectively fixed with a brake disc, a brake caliper group is correspondingly arranged with each brake disc, the brake caliper group comprises two brake caliper bodies, the two brake caliper bodies are respectively positioned at two sides of the brake disc, the brake caliper bodies are of an L shape, the middle parts of the L-shaped brake caliper bodies are hinged, and the other ends of the L-shaped brake caliper bodies are fixed with telescopic rods. When the rotary pay-off disc is particularly used, the brake caliper body is controlled to clamp the brake disc in a remote control or manual mode, so that the rotary speed of the pay-off disc coaxially arranged with the brake disc is realized. However, in actual situations, not every pay-off reel is provided with a roll shaft and a brake disc when leaving a factory, and a specific setting mode of a brake caliper group is not explicitly disclosed in the scheme, so that the practicality of the scheme is insufficient; in addition, the person skilled in the art knows that the shaft hole sizes of different pay-off reels are not the same, according to JBT8997.1-2013 "wire coil for wire and cable large aperture machine part 1: general rule, disc diameter of pay-off disc varies from 100-1250mm, corresponding shaft hole diameter is 50-250mm; according to the scheme, the roller shaft and the brake disc are arranged on the pay-off reels with different diameters, and the cost is high.
Disclosure of Invention
The embodiment of the utility model aims to provide a pay-off disc braking device which has excellent applicability and can be suitable for braking of pay-off discs with different shaft hole diameters.
In order to achieve the above object, according to one aspect of the present utility model, there is provided a pay-off reel brake device comprising:
the diameter of the roll shaft is lower than 50mm, and the roll shaft is inserted into the shaft hole of the pay-off reel and locked and fixed by the locking mechanism;
the brake disc is provided with a sleeve and a brake disc body arranged on the outer ring of the sleeve, and a locking piece is arranged on the sleeve and used for locking and fixing the sleeve to the roll shaft; the method comprises the steps of,
the brake caliper assembly is detachably arranged on the roll shaft and is provided with a fixed caliper body and a movable caliper body which is arranged at intervals with the fixed caliper body, a rotating rod is arranged between the movable caliper body and the fixed caliper body, the rotating rod drives the movable caliper body to be close to or far away from the fixed caliper body when rotating positively or reversely, and the movable caliper body is close to the fixed caliper body and is in clamping friction with the disc surface of the brake disc body when the movable caliper body is close to the fixed caliper body.
Optionally, the locking mechanism includes:
the two fixed sleeves are correspondingly arranged on the roll shafts at the two ends of the pay-off reel;
the fixed sleeve is provided with a constant diameter section and a reducing section with one end extending outwards, the reducing section is inserted into the shaft hole of the pay-off reel, and a plurality of first screw holes extending radially are formed in the constant diameter section for fixing screws to the roll shaft after the screws are screwed in.
Optionally, the outer diameter of the reduced diameter section varies from 40mm to 300mm.
Optionally, a fixed plate extending outwards is arranged on the brake disc body, and a stop lever is arranged on the fixed plate and is in stop fit with the support rod of the pay-off disc.
Optionally, a bar-shaped through hole extending along the plate surface is arranged on the fixing plate, and one end of the stop lever is locked and fixed in the bar-shaped through hole through a nut.
Optionally, the brake caliper assembly is provided with a sleeve for being sleeved on the roll shaft, the outer wall of the sleeve is provided with a mounting plate extending outwards along the radial direction of the sleeve, and the fixed caliper body is arranged on one side of the mounting plate, which is close to the pay-off disc;
the pay-off reel is characterized in that a supporting seat is further arranged on one side, close to the pay-off reel, of the mounting plate, a rotating arm is hinged to the supporting seat, the movable clamp body is arranged at one end, close to the fixed clamp body, of the rotating arm, the rotating rod is arranged at one end, far away from the fixed clamp body, of the rotating arm, and a positioning cylinder is further arranged on the supporting seat and used for enabling the rotating rod to rotate and penetrate through the positioning cylinder.
Optionally, the dwang includes with the swivel arm keep away from the one end of fixed pincers body and freely remove wear to arrange in first section in the positioning tube, with first section interval arrangement and rotate the second section of wearing to arrange in the positioning tube, be provided with the pressure spring in the positioning tube between first section and the second section, the second section rotates when being close to first section, through the pressure spring is pushed the first section.
Optionally, the rotating rod is further provided with a rotating piece for driving the rotating rod to rotate.
Optionally, the rotating member is a hand wheel disposed on the rotating rod, or a toggle rod extending along the rod diameter direction of the rotating rod and freely moving.
Optionally, the locking member is a plurality of screws arranged at intervals along the circumferential direction of the sleeve, and the screws pass through screw holes in the sleeve and lock and fix the screws to the roll shaft.
Through the technical scheme, the diameter of the roller shaft forming the brake device is designed to be lower than 50mm, the brake device can be conveniently inserted into the shaft holes of pay-off reels of various specifications and types, and the brake device and the pay-off reels can synchronously rotate by being matched with the locking mechanism to be locked and fixed, so that the brake device is applicable to pay-off reels with different diameters of the shaft holes; the clamping friction is carried out on the disc surfaces at two sides of the brake disc body through the fixed clamp body and the movable clamp body, so that the rotating speed control effect of the brake disc is ensured, the rotating speed control of the paying-off disc is further realized, and the defects that cables on the wire disc are continuously pushed forwards or the cables on the wire disc are fluffy and disordered due to excessive rotation under the inertia effect, and inconvenience is brought to construction paying-off are avoided;
the brake device provided by the utility model is composed of three parts of components, has a simple structure, is convenient to use and has better applicability.
Drawings
FIG. 1 is a schematic diagram of a pay-off reel brake device according to an embodiment of the present utility model;
fig. 2 is a schematic structural view of a brake disc according to an embodiment of the present utility model;
FIG. 3 is a schematic view showing the structure of a fixing sleeve according to an embodiment of the present utility model;
fig. 4 is a schematic structural view of a pay-off reel according to an embodiment of the present utility model;
FIG. 5 is a schematic illustration of a brake caliper assembly provided in accordance with an embodiment of the present utility model;
FIG. 6 is a schematic view showing a structure of a rotating lever according to an embodiment of the present utility model;
FIG. 7 is a schematic view showing a structure of a rotary member according to an embodiment of the present utility model;
description of the reference numerals
1. A pay-off reel; 101. a shaft hole; 102. a support rod; 10. a roll shaft; 20. a brake disc; 21. a sleeve; 22. a brake disc body; 23. a locking member; 24. a fixing plate; 241. a bar-shaped through hole; 25. a stop lever; 30. a brake caliper assembly; 31. fixing the clamp body; 32. a movable clamp body; 33. a rotating lever; 331. a first section; 332. a second section; 333. a pressure spring; 334. hand-operated wheels; 335. a toggle rod; 34. a sleeve; 35. a mounting plate; 36. a support base; 37. a rotating arm; 38. a positioning cylinder; 40. fixing the sleeve; 41. a constant diameter section; 411. a first screw hole; 42. and (5) reducing the diameter section.
Detailed Description
The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
As previously described, and as shown in connection with fig. 1 and 2, the present utility model provides a pay-off reel brake assembly comprising a roller shaft 10, a brake disc 20 and a brake caliper assembly 30.
The diameter of the roller 10 is less than 50mm, and the roller 10 is inserted into the shaft hole 101 of the pay-off reel 1 and locked and fixed by a locking mechanism, so that synchronous rotation of the roller 10 and the pay-off reel 1 can be realized.
The brake disc 20 is provided with a sleeve 21 and a brake disc body 22 arranged on the outer ring of the sleeve 21, and a locking piece 23 is arranged on the sleeve 21 and used for locking and fixing the sleeve to the roll shaft 10, so that synchronous rotation of the brake disc 20 and the roll shaft 10 can be realized.
The brake caliper assembly 30 is detachably disposed on the roller shaft 10, the brake caliper assembly 30 is provided with a fixed caliper body 31 and a movable caliper body 32 which is arranged at intervals with the fixed caliper body 31, a rotating rod 33 is disposed between the movable caliper body 32 and the fixed caliper body 31, the rotating rod 33 drives the movable caliper body 32 to approach or separate from the fixed caliper body 31 when rotating positively or reversely, and the movable caliper body 32 is in holding friction with the disc surface of the brake disc body 22 when approaching the fixed caliper body 31.
When the brake device provided by the utility model is specifically used, the roll shaft 10 is inserted into the shaft hole 101 of the pay-off spool 1, the roll shaft 10 and the pay-off spool 1 are locked and fixed through the locking mechanism, so that the roll shaft 10 and the pay-off spool 1 can synchronously rotate, and then the roll shaft 10 is placed on the pay-off rack, so that the pay-off spool 1 is suspended, and the rotation of the pay-off spool can be realized, so that the pay-off operation can be performed.
Referring to fig. 4, a structural schematic diagram of a pay-off reel 1 is shown in the prior art, in which a shaft hole 101 is provided at a position for inserting a rotating member therein, and the pay-off reel is suspended to rotate in place, so that a cable wound on the pay-off reel 1 is released for construction and wiring. The diameter of the roller shaft 10 provided by the utility model is designed to be lower than 50mm, so that the roller shaft can be conveniently inserted into the shaft holes 101 of pay-off reels 1 with various specifications and types, and can synchronously rotate with the pay-off reels 1 by being matched with a locking mechanism for locking and fixing, thereby realizing the application of a brake device on the pay-off reels 1 with different shaft hole diameters;
in addition, in the braking device provided by the utility model, the clamping friction is carried out on the two disc surfaces of the brake disc body 22 through the fixed clamp body 31 and the movable clamp body 32, so that the rotating speed control effect of the brake disc 20 is ensured, the rotating speed control of the pay-off disc 1 is further realized, and the defect that the inconvenience is brought to construction pay-off due to the fact that cables on the wire coil are continuously pushed forwards or the cables on the wire coil are fluffy and disordered due to excessive rotation under the inertia effect is avoided.
The brake device provided by the utility model is composed of three parts of components, has a simple structure, is convenient to use and has better applicability.
In the utility model, the locking mechanism is used for connecting the roll shaft 10 and the pay-off reel 1, and is characterized by being suitable for connecting the roll shaft 10 and the pay-off reel 1 with different axial hole diameters. As a specific embodiment of the locking mechanism, as shown in fig. 3, the locking mechanism includes two fixing sleeves 40, the two fixing sleeves 40 are correspondingly disposed on the roller shafts 10 at two ends of the pay-off reel 1, each fixing sleeve 40 has a constant diameter section 41 and a reduced diameter section 42 extending outwards from one end of the constant diameter section 41, the reduced diameter section 42 is inserted into the shaft hole 101 of the pay-off reel 1, and a plurality of first screw holes 411 extending along the radial direction of the constant diameter section 41 are provided on the constant diameter section 41 for fixing the screws onto the roller shafts 10 after screwing in; the depth of insertion of the reduced diameter section 42 of the fixing sleeve 40 into the shaft hole 101 is different for pay-off reels 1 having different shaft diameters, and the fixing sleeve 40 may be inserted into the shaft hole 101 so that the surface of the reduced diameter section 42 abuts against the opening of the shaft hole 101 to support the pay-off reels 1.
Further, it should be noted that, the diameter of the shaft hole of the pay-off reel 1 commonly used in the art is from 50mm to 250mm, and in order to adapt to the braking requirement of the pay-off reel 1 with different shaft hole diameters, the outer diameter of the reducing section 42 is changed from 40mm to 300mm.
In the utility model, a fixing plate 24 extending outwards is arranged on the brake disc body 22, and a stop lever 25 is arranged on the fixing plate 24 to form a stop fit with the support rod 102 of the pay-off disc 1. The stop lever 25 led out of the brake disc body 22 is in stop fit with the support rod 102 of the pay-off disc 1, so that the brake disc 20 can be conveniently fixed on the roll shaft 10.
Further, the fixing plate 24 is provided with a bar-shaped through hole 241 extending along the plate surface, and one end of the stop lever 25 is locked and fixed in the bar-shaped through hole 241 via a nut. Through the above technical scheme, the stop lever 25 can be fixed at different positions of the strip-shaped through hole 241 so as to adapt to pay-off reels 1 with different diameters of the through holes.
In the present utility model, as a specific arrangement of the brake caliper assembly 30 on the roller 10, as shown in fig. 5, the brake caliper assembly 30 has a sleeve 34 for being sleeved on the roller 10, and a mounting plate 35 extending radially outwards is disposed on an outer wall of the sleeve 34, and the fixed caliper body 31 is disposed on a side of the mounting plate 35 adjacent to the pay-off reel;
the mounting plate 35 is further provided with a supporting seat 36 adjacent to one side of the pay-off reel 1, a rotating arm 37 is hinged to the supporting seat 36, the movable clamp body 32 is arranged at one end of the rotating arm 37 close to the fixed clamp body 31, the rotating rod 33 is arranged at one end of the rotating arm 37 far away from the fixed clamp body 31, and a positioning cylinder 38 is further arranged on the supporting seat 36 for the rotating rod 33 to rotate and penetrate through. In specific use, the rotating rod 33 is rotated to push or pull one end of the rotating arm 37, so that the movable clamp body 32 fixed on the other end of the rotating arm is close to or far away from the fixed clamp body 31, and further the clamping friction on the brake disc body 22 is realized.
Further, as shown in fig. 6, in some embodiments, the rotating rod 33 includes a first section 331 connected to an end of the rotating arm 37 away from the fixed clamp body 31 and freely moving and penetrating the positioning cylinder 38, and a second section 332 spaced from the first section 331 and rotatably penetrating the positioning cylinder 38, wherein a compression spring 333 is disposed in the positioning cylinder 38 between the first section 331 and the second section 332, and when the second section 332 rotates close to the first section 331, the first section 331 is pushed by the compression spring 333.
When the rotary disc paying-off device is specifically used, the first section 331 of the rotary rod 33 is rotated to be close to or far away from the second section 332 in the positioning cylinder 38, specifically, when the rotary disc paying-off device is close to the second section 332, the compression spring 333 is compressed, the first section 331 is driven by the elastic force of the compression spring 333 to push the rotary arm 37, the movable clamp body 32 fixed at the other end of the rotary arm 37 is further close to the fixed clamp body 31, clamping friction of the brake disc body 22 is further realized, the rotating speed of the brake disc body 22 is controlled, and the rotating speed of the paying-off disc 1 is further controlled.
In the present utility model, the rotating member is further provided on the rotating rod 33 for driving the rotating member to rotate. The rotating member may be a hand wheel 334 disposed on the rotating rod 33, as shown in fig. 6, or a toggle rod 335 extending along the radial direction of the rotating rod 33 and freely moving, as shown in fig. 7.
In the present utility model, the locking members 23 are screws spaced apart along the circumference of the sleeve 21, and pass through screw holes of the sleeve 21 and lock and fix the screws to the roller shaft 10.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited thereto. Within the scope of the technical idea of the utility model, a plurality of simple variants can be made to the technical proposal of the utility model, and in order to avoid unnecessary repetition, the utility model does not need to be additionally described for various possible combinations. Such simple variations and combinations are likewise to be regarded as being within the scope of the present disclosure.
Claims (10)
1. A pay-off spool brake device, comprising:
the diameter of the roll shaft (10) is lower than 50mm, and the roll shaft (10) is inserted into the shaft hole (101) of the pay-off disc (1) and locked and fixed by the locking mechanism;
the brake disc (20) is provided with a sleeve (21) and a brake disc body (22) arranged on the outer ring of the sleeve (21), and a locking piece (23) is arranged on the sleeve (21) and used for locking and fixing the sleeve to the roll shaft (10); and
the brake caliper assembly (30) is detachably arranged on the roll shaft (10), the brake caliper assembly (30) is provided with a fixed caliper body (31) and a movable caliper body (32) which is arranged at intervals with the fixed caliper body (31), a rotating rod (33) is arranged between the movable caliper body (32) and the fixed caliper body (31), the rotating rod (33) drives the movable caliper body (32) to be close to or far away from the fixed caliper body (31) when rotating positively or reversely, and the movable caliper body (32) is close to the fixed caliper body (31) to clamp and rub the disc surface of the brake disc body (22).
2. The pay-off reel brake apparatus of claim 1, wherein the locking mechanism comprises:
the two fixed sleeves (40) are correspondingly arranged on the roll shafts (10) at the two ends of the pay-off reel (1);
the fixed sleeve (40) is provided with a constant diameter section (41) and a reducing section (42) extending outwards from one end of the constant diameter section (41), the reducing section (42) is inserted into a shaft hole (101) of the pay-off reel (1), and a plurality of first screw holes (411) extending along the radial direction of the constant diameter section (41) are formed in the constant diameter section (41) for fixing screws onto the roll shaft (10) after the screws are screwed in.
3. A pay-off reel brake arrangement according to claim 2, characterized in that the outer diameter of the reduced diameter section (42) varies from 40mm to 300mm.
4. The pay-off disc brake device according to claim 1, characterized in that a fixing plate (24) extending outwards is arranged on the disc body (22), and a stop lever (25) is arranged on the fixing plate (24) to form a stop fit with the support rod (102) of the pay-off disc (1).
5. The pay-off reel brake device according to claim 4, wherein the fixing plate (24) is provided with a strip-shaped through hole (241) extending along the plate surface, and one end of the stop lever (25) is locked and fixed in the strip-shaped through hole (241) through a nut.
6. A pay-off reel brake apparatus as claimed in claim 1, wherein the brake caliper assembly (30) has a sleeve (34) for being sleeved on the roll shaft (10), and a mounting plate (35) extending radially outwardly from the sleeve (34) is provided on an outer wall of the sleeve, and the fixed caliper body (31) is provided on a side of the mounting plate (35) adjacent to the pay-off reel (1);
one side of mounting panel (35) is close to pay-off reel (1) still is equipped with a supporting seat (36), articulated on supporting seat (36) is arranged a rotating arm (37), movable pincers body (32) set up in one end that rotating arm (37) is close to fixed pincers body (31), rotating rod (33) set up in one end that rotating arm (37) kept away from fixed pincers body (31), and still be equipped with a positioning cylinder (38) on supporting seat (36) supplies rotating rod (33) to rotate and wear to put wherein.
7. The pay-off reel brake device according to claim 6, characterized in that the rotating lever (33) comprises a first section (331) which is connected with one end of the rotating arm (37) far away from the fixed caliper body (31) and freely moves and penetrates through the positioning cylinder (38), and a second section (332) which is arranged at intervals with the first section (331) and rotatably penetrates through the positioning cylinder (38), a pressure spring (333) is arranged in the positioning cylinder (38) between the first section (331) and the second section (332), and the second section (332) pushes the first section (331) through the pressure spring (333) when rotating to be close to the first section (331).
8. The pay-off reel brake device according to claim 1, wherein the rotating rod (33) is further provided with a rotating member for driving the rotating member to rotate.
9. The pay-off reel brake device according to claim 8, wherein the rotating member is a hand wheel (334) provided on the rotating lever (33), or a toggle lever (335) extending in a lever diameter direction of the rotating lever (33) and freely movable.
10. A pay-off reel brake device according to claim 1, characterized in that the locking members (23) are screws arranged at intervals along the circumference of the sleeve (21), which screws pass through screw holes in the sleeve (21) and lock-fix them to the roll shaft (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222703318.9U CN218968513U (en) | 2022-10-13 | 2022-10-13 | Pay-off reel brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222703318.9U CN218968513U (en) | 2022-10-13 | 2022-10-13 | Pay-off reel brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218968513U true CN218968513U (en) | 2023-05-05 |
Family
ID=86153067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222703318.9U Active CN218968513U (en) | 2022-10-13 | 2022-10-13 | Pay-off reel brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218968513U (en) |
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2022
- 2022-10-13 CN CN202222703318.9U patent/CN218968513U/en active Active
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Effective date of registration: 20231204 Address after: 231202 No. 590, prosperous West Road, Feixi County, Hefei City, Anhui Province Patentee after: Anhui shunkai Testing Technology Co.,Ltd. Address before: 230031 Hongyuan building, 1599 Huaining Road, Hefei, Anhui Patentee before: ANHUI TRANSMISSION AND TRANSFORMATION ENGINEERING Co.,Ltd. |