CN219865085U - Colliery tunnel anchor rope protector - Google Patents
Colliery tunnel anchor rope protector Download PDFInfo
- Publication number
- CN219865085U CN219865085U CN202321267479.6U CN202321267479U CN219865085U CN 219865085 U CN219865085 U CN 219865085U CN 202321267479 U CN202321267479 U CN 202321267479U CN 219865085 U CN219865085 U CN 219865085U
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- China
- Prior art keywords
- anchor
- rope
- anchor cable
- inner cylinder
- buffer structure
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- 230000001012 protector Effects 0.000 title claims description 4
- 239000003245 coal Substances 0.000 claims abstract description 13
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 3
- 238000005422 blasting Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model relates to the technical field of coal mine roadway protection, in particular to an anchor rope protection device for a coal mine roadway, which comprises an anchor rope, an anchor rope lockset, an anchor net, an anti-drop buffer structure and a hanging rope, wherein the anti-drop buffer structure is arranged at the lower end of the anchor rope and fixedly connected with the anchor rope, and at least two connecting rings are uniformly distributed on the outer side of the anti-drop buffer structure along the circumferential direction; one end of the hanging rope is connected with the connecting ring of the anti-drop buffer structure, the other end of the hanging rope is connected with the anchor net, the anti-drop buffer structure comprises an inner cylinder and an outer cylinder which are in sliding connection, the inner cylinder is fixedly connected with the lower end of the anchor rope, two ends of the inner cylinder extend out of the outer cylinder respectively and are provided with limiting structures respectively, and springs are arranged between any limiting structure and the end face of the outer cylinder. The utility model adopts the inner sleeve and the outer sleeve which are connected in a sliding way to protect the anchor cable, thereby not only protecting the anchor cable from direct impact, but also buffering the anchor cable through the relative movement of the inner sleeve and the outer sleeve when the anchor cable breaks; meanwhile, the inner cylinder is fixedly connected with the anchor cable, and the anchor cable is prevented from collapsing and flying to hurt people through the hanging cable.
Description
Technical Field
The utility model relates to the technical field of coal mine roadway protection, in particular to an anchor rope protection device for a coal mine roadway.
Background
At present, the coal mine stone drift tunneling in China mainly still adopts a blasting construction mode, and anchor cables are required to be arranged to support a roof after blasting. However, due to the outward impact of the gangue generated by blasting, the possibility of bending and damaging the anchor cable which is already arranged and seriously breaking and falling the anchor cable exists, the roadway support effect is reduced, and great potential safety hazards are caused to roadway constructors.
The Chinese patent publication No. CN214145540U discloses an anti-loosening anchor cable breaking safety protection device which can play a role in protection, but has no buffer mechanism, so that when the impact force of the anchor cable breaking is born, the breakage of the steel wire is easy to cause, and the protection effect is affected.
Accordingly, there is a need for improvements over the prior art.
Disclosure of Invention
In order to overcome the defects in the prior art, the coal mine tunnel anchor rope protecting device is convenient to install, can be used repeatedly, and can effectively prevent the anchor rope from falling and damaging. In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a colliery tunnel anchor rope protector, includes anchor rope, anchor rope tool to lock, anchor net and:
the anti-drop buffer structure is arranged at the lower end of the anchor cable and fixedly connected with the anchor cable, and at least two connecting rings are uniformly distributed on the outer side of the anti-drop buffer structure along the circumferential direction;
one end of the hanging rope is connected with the connecting ring of the anti-drop buffer structure, and the other end of the hanging rope is connected with the anchor net;
the anti-drop buffer structure comprises an inner cylinder and an outer cylinder which are connected in a sliding manner, the inner cylinder is fixedly connected with the lower end of the anchor cable, two ends of the inner cylinder extend out of the outer cylinder respectively and are provided with limiting structures respectively, and springs are arranged between any limiting structure and the end face of the outer cylinder.
Further, the upper end face of the outer cylinder is provided with a push switch matched with the limit structure at the upper end of the inner cylinder, and the push switch is connected with an alarm.
Furthermore, the upper end of the inner hole of the inner cylinder is a conical surface, and the lower end of the anchor cable is inserted into the inner cylinder through the conical surface and is fixed through a wedge-shaped locking plate.
Further, the inner side of the wedge-shaped locking plate is provided with anti-falling teeth.
Further, the upper end and the lower end of the inner cylinder are both provided with external threads, and the limiting structure is a limiting nut in threaded fit with the external threads.
Further, a buffer spring is arranged in the middle of the hanging rope.
Further, a plurality of support frames are fixedly welded on the outer side of the outer cylinder, the support frames are uniformly distributed along the circumferential direction of the outer cylinder, and the upper ends of the support frames are provided with bends and are connected with anchor nets.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model adopts the inner sleeve and the outer sleeve which are connected in a sliding way to protect the anchor cable, thereby not only protecting the anchor cable from direct impact, but also buffering the anchor cable through the relative movement of the inner sleeve and the outer sleeve when the anchor cable breaks; meanwhile, the inner cylinder is fixedly connected with the anchor cable, and the anchor cable can be prevented from collapsing and flying to hurt people through the hanging cable.
2. The inner cylinder is connected with the anchor cable by the wedge-shaped locking plate, so that the anchor cable can be prevented from falling off under stress.
3. The outer side of the outer cylinder is fixedly connected with the supporting frame, and the bending resistance of the anchor cable can be improved through the supporting frame, so that the anti-collapse effect is realized.
Drawings
The following detailed description of the utility model will be given with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a partial enlarged view of a in fig. 1.
In the figure: the cable comprises a 1-anchor cable, a 2-anchor cable lockset, a 3-anchor net, a 4-anti-falling buffer structure, a 41-connecting ring, a 42-inner cylinder, a 43-outer cylinder, a 44-limiting structure, a 45-spring, a 46-wedge-shaped locking plate, a 5-hanging cable, a 51-buffer spring, a 6-push switch and a 7-support frame.
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.
Examples:
as shown in fig. 1 to 2, the protection device for the anchor cable of the coal mine tunnel comprises an anchor cable 1, an anchor cable lock 2, an anchor net 3, an anti-falling buffer structure 4 and a hanging rope 5, wherein the anchor net 5 is fixed on the surface of the tunnel through the anchor cable 1 and the anchor cable lock 2, the anti-falling buffer structure 4 is arranged at the lower end of the anchor cable 1 and comprises an inner cylinder 42 and an outer cylinder 43 which are in sliding connection, two ends of the inner cylinder 42 extend out of the outer cylinder 43 respectively and are provided with a limiting structure 44 respectively, springs 45 are arranged between any limiting structure 44 and the end face of the outer cylinder 43, and relative movement between the inner cylinder 42 and the outer cylinder 43 is buffered through the springs 45.
The inner cylinder 42 is fixedly connected with the lower end of the anchor cable 1, for convenient connection, the upper end of an inner hole of the inner cylinder 42 is a conical surface, the lower end of the anchor cable 1 is inserted into the inner cylinder 42 through the conical surface, the outer surface of the anchor cable 1 is fixed with the conical surface through a wedge-shaped locking plate 46, and anti-falling teeth meshed with the anchor cable 1 are arranged on the inner side of the wedge-shaped locking plate 46.
At least two connecting rings 41 are uniformly distributed on the outer side of the anti-drop buffer structure 4 along the circumferential direction, one end of the hanging rope 5 is connected with the connecting rings 41 of the anti-drop buffer structure 4, the other end of the hanging rope is connected with the anchor net 3, and the hanging rope 5 is used for preventing people from being injured when the anchor rope 1 breaks.
The up end of urceolus 43 is provided with inner tube 42 upper end limit structure 44 matched with push type switch 6, and push type switch 6 is connected with the alarm, when the anchor rope collapses to break, drives the inner tube and moves down, and then drives upper end limit structure 44 downward movement and strike with push type switch 6, realizes the start to the alarm, reminds the staff to pay attention to.
For convenient manufacture and installation, the limit structure 44 can be replaced by a nut, specifically, the upper end and the lower end of the inner cylinder 42 are provided with external threads, the limit nut is in threaded connection with the upper end and the lower end of the inner cylinder, and the spring 45 is arranged between the nut and the inner cylinder to realize buffering.
The middle part of the hanging rope 5 is provided with a buffer spring 51 for preventing the hanging rope 5 from being broken under the stress.
The outside fixed welding of urceolus 43 has a plurality of support frames 7, and a plurality of support frames 7 are along the circumference equipartition of urceolus 43, and support frame 7 upper end is provided with the bending and is connected with anchor net 3, improves the anti-collapse ability of anchor rope through the support frame.
The preferred embodiments of the present utility model have been described in detail, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model, and the various changes are included in the scope of the present utility model.
Claims (7)
1. The utility model provides a colliery tunnel anchor rope protector, includes anchor rope (1), anchor rope tool to lock (2) and anchor net (3), its characterized in that includes:
the anti-drop buffer structure (4) is arranged at the lower end of the anchor rope (1) and fixedly connected with the anchor rope (1), and at least two connecting rings (41) are uniformly distributed on the outer side of the anti-drop buffer structure (4) along the circumferential direction;
one end of the hanging rope (5) is connected with the connecting ring (41) of the anti-falling buffer structure (4), and the other end of the hanging rope is connected with the anchor net (3);
the anti-drop buffer structure (4) comprises an inner cylinder (42) and an outer cylinder (43) which are connected in a sliding mode, the inner cylinder (42) is fixedly connected with the lower end of the anchor cable (1), the two ends of the inner cylinder (42) extend out of the outer cylinder (43) respectively and are provided with limiting structures (44) respectively, and springs (45) are arranged between any limiting structure (44) and the end face of the outer cylinder (43).
2. The coal mine tunnel anchor cable protection device of claim 1, wherein: the upper end face of the outer cylinder (43) is provided with a push switch (6) matched with a limiting structure (44) at the upper end of the inner cylinder (42), and the push switch (6) is connected with an alarm.
3. The coal mine tunnel anchor cable protection device of claim 1, wherein: the upper end of the inner hole of the inner cylinder (42) is a conical surface, and the lower end of the anchor cable (1) is inserted into the inner cylinder (42) through the conical surface and is fixed through a wedge-shaped locking plate (46).
4. A coal mine tunnel anchor cable protection device as claimed in claim 3 wherein: the inner side of the wedge-shaped locking plate (46) is provided with anti-falling teeth.
5. The coal mine tunnel anchor cable protection device of claim 1, wherein: external threads are arranged at the upper end and the lower end of the inner cylinder (42), and the limiting structure (44) is a limiting nut in threaded fit with the external threads.
6. The coal mine tunnel anchor cable protection device of claim 1, wherein: the middle part of the hanging rope (5) is provided with a buffer spring (51).
7. The coal mine tunnel anchor cable protection device of claim 1, wherein: the outer side of the outer cylinder (43) is fixedly welded with a plurality of supporting frames (7), the supporting frames (7) are uniformly distributed along the circumferential direction of the outer cylinder (43), and the upper end of each supporting frame (7) is provided with a bend and is connected with the anchor net (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321267479.6U CN219865085U (en) | 2023-05-24 | 2023-05-24 | Colliery tunnel anchor rope protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321267479.6U CN219865085U (en) | 2023-05-24 | 2023-05-24 | Colliery tunnel anchor rope protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219865085U true CN219865085U (en) | 2023-10-20 |
Family
ID=88371885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321267479.6U Active CN219865085U (en) | 2023-05-24 | 2023-05-24 | Colliery tunnel anchor rope protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219865085U (en) |
-
2023
- 2023-05-24 CN CN202321267479.6U patent/CN219865085U/en active Active
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| GR01 | Patent grant |