CN219691594U - Gangue blocking mechanism for hard roof goaf and mounting device - Google Patents
Gangue blocking mechanism for hard roof goaf and mounting device Download PDFInfo
- Publication number
- CN219691594U CN219691594U CN202320600100.2U CN202320600100U CN219691594U CN 219691594 U CN219691594 U CN 219691594U CN 202320600100 U CN202320600100 U CN 202320600100U CN 219691594 U CN219691594 U CN 219691594U
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- steel
- gangue
- gangue blocking
- blocking
- lower section
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- 230000000903 blocking effect Effects 0.000 title claims abstract description 91
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 68
- 239000010959 steel Substances 0.000 claims abstract description 68
- 238000005452 bending Methods 0.000 claims abstract description 9
- 239000010878 waste rock Substances 0.000 claims description 18
- 238000009434 installation Methods 0.000 abstract description 17
- 238000010276 construction Methods 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000005065 mining Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Road Paving Structures (AREA)
Abstract
The utility model discloses a gangue blocking mechanism and a mounting device for a hard roof goaf, wherein the gangue blocking mechanism comprises gangue blocking upper section V steel and gangue blocking lower section V steel, the top end part of the gangue blocking lower section V steel is overlapped with the bottom end part of the gangue blocking upper section V steel, the bottom end of the gangue blocking lower section V steel is fixedly connected with a base, the outer side of the concave surface of the gangue blocking upper section V steel is fixedly connected with a lifting hook, a pair of connecting clamping cables are arranged below the lifting hook, and the overlapped parts of the gangue blocking upper section V steel and the gangue blocking lower section V steel are connected at intervals by the two connecting clamping cables. The mounting device comprises a mounting base, a telescopic rod is fixedly connected above the mounting base, a mounting head is fixedly connected to the top end of the telescopic rod, an air cylinder is arranged in the middle of the telescopic rod, and the air cylinder is connected with a control valve. The utility model solves the problems of no yielding, easy bending, high installation strength and the like of the existing gangue blocking mechanism, has stronger bending resistance, can realize recycling, reduces the labor intensity of workers and improves the construction safety by installing the installation device.
Description
Technical Field
The utility model relates to the technical field of coal mine equipment, in particular to a gangue blocking mechanism for a hard roof goaf and an installation device.
Background
In the process of the roof-cutting pressure-relief self-forming roadway, the coal mining side roadway side is automatically formed by gangue falling from the roof of the goaf after roof cutting. After working face mining, goaf roof rock mass gradually collapses, the collapse process has timeliness, irregular movement of gangue can occur in the fall process, and in order to prevent the gangue from rushing into a roadway in the collapse process and threatening the safety of people and the operation of equipment and ensure the roadway retaining effect, gangue blocking support is needed to be carried out on the side of a mining side and used as a key step of roof cutting pressure relief self-forming roadway technology. In the existing method, the waste rock is blocked by adopting the I-steel, after the working face is mined, the waste rock in the goaf needs to undergo a process of collapse, compaction and stabilization, and a tunnel top plate can sink to a certain extent in the process of compaction and stabilization of the waste rock. And under the condition of a hard top plate, the top plate collapses the gangue and has large block degree and strong impact, and the common blocking device is extremely easy to fail.
The installation of the existing gangue blocking structure is all dependent on manual work, in order to ensure the roadway retaining effect in the working face exploitation process, the gangue blocking structure needs to be pushed along the working face to be installed in time, the gangue is collapsed irregularly and has certain impact property, on one hand, potential safety hazards exist in the manual installation process, on the other hand, the gangue blocking structure is large in weight and size, and when the manual lifting installation is adopted, the defects of difficulty in manual operation, high labor intensity, low safety coefficient and construction efficiency and the like exist.
Disclosure of Invention
The utility model aims to provide a gangue blocking mechanism and a mounting device for a hard roof goaf, which solve the problems of no yielding, easy bending, high mounting strength and the like of the existing gangue blocking mechanism, have stronger bending resistance, can realize recycling and reutilization, reduce the labor intensity of workers and improve the construction safety by mounting the gangue blocking mechanism.
In order to achieve the above purpose, the utility model provides a gangue blocking mechanism and a mounting device for a hard roof goaf, wherein the gangue blocking mechanism comprises gangue blocking upper section V steel and gangue blocking lower section V steel, and the top end part of the gangue blocking lower section V steel is overlapped with the bottom end part of the gangue blocking upper section V steel; the waste rock blocking lower section V steel is characterized in that a base is fixedly connected to the bottom end of the waste rock blocking lower section V steel, a lifting hook is fixedly connected to the outer side of the concave surface of the waste rock blocking upper section V steel, a pair of connecting clamping cables are arranged below the lifting hook, and two connecting clamping cables are connected with the overlapping part of the waste rock blocking upper section V steel and the waste rock blocking lower section V steel at intervals.
Preferably, the lengths of the gangue blocking upper section V steel and the gangue blocking lower section V steel are smaller than the width of the roadway.
Preferably, the bending line of the V steel of the gangue blocking lower section is vertically arranged on the base.
Preferably, the concave surfaces of the gangue blocking upper section V steel and the gangue blocking lower section V steel face the same.
Preferably, round steel is welded on one side, close to the top end, in the concave surface of the gangue blocking upper section V steel, and the top end of the round steel is higher than the top end of the gangue blocking upper section V steel.
The utility model provides a hard roof goaf is with installation device who keeps off gangue mechanism, includes the installation base, installation base top fixedly connected with telescopic link, telescopic link top fixedly connected with installation head, be provided with the cylinder in the middle of the telescopic link, the cylinder is connected with the control valve.
Preferably, an air inlet pipe and an air outlet pipe are connected between the air cylinder and the control valve.
Therefore, the gangue blocking mechanism and the mounting device for the hard roof goaf solve the problems that the existing gangue blocking mechanism is not yielding, is easy to bend, has high mounting strength and the like, have stronger bending resistance, can realize recycling and reutilization, reduce the labor intensity of workers and improve the construction safety through the mounting device.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a schematic diagram of a gangue blocking mechanism for a hard roof goaf;
FIG. 2 is a schematic diagram of a mounting device of a gangue blocking mechanism for a hard roof goaf;
FIG. 3 is a perspective view of the present utility model.
Reference numerals
1. V steel of the gangue blocking upper section; 2. the gangue blocking lower section V steel; 3. connecting the clamping cables; 4. round steel; 5. a base; 6. lifting the hook; 7. roadway; 8. a goaf; 9. a mounting base; 10. a cylinder; 11. a telescopic rod; 12. a mounting head; 13. a control valve; 14. an air inlet pipe; 15. and (5) an air outlet pipe.
Detailed Description
The technical scheme of the utility model is further described below through the attached drawings and the embodiments.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Example 1
As shown in fig. 1, the gangue blocking mechanism for the hard roof goaf comprises an gangue blocking upper section V steel 1 and a gangue blocking lower section V steel 2, the concave surfaces of the gangue blocking upper section V steel 1 and the gangue blocking lower section V steel 2 face the same direction towards the goaf 8, the bottom end of the gangue blocking lower section V steel 2 is fixedly connected with a base 5, a bending line of the gangue blocking lower section V steel 2 is vertically arranged on the base 5, the outer side of the concave surface of the gangue blocking upper section V steel 1 is fixedly connected with a lifting hook 6, the inner side of the concave surface of the gangue blocking upper section V steel 1 is welded with a section of round steel 4, the top end of the round steel 4 is higher than the top end of the gangue blocking upper section V steel 1, and a pair of connecting clamping hooks 3 are further arranged below the lifting hook 6.
The top end part of the gangue blocking lower section V steel 2 is overlapped with the bottom end part of the gangue blocking upper section V steel 1. The two connecting clamping cables 3 are connected to the overlapping part at intervals, so that two sections of V steel form a whole, and the lengths of the gangue blocking upper section V steel 1 and the gangue blocking lower section V steel 2 are smaller than the width of the roadway 7.
Example two
The utility model provides a hard roof goaf keeps off installation device of gangue mechanism, including installation base 9, the top fixedly connected with telescopic link 11 of installation base 9, telescopic link 11 top fixedly connected with installation head 12, installation head 12 is connected with lifting hook 6 in the first embodiment, and be provided with cylinder 10 in the centre of telescopic link 11, cylinder 10 is provided with intake pipe 14 and outlet duct 15 respectively, is connected with control valve 13 on intake pipe 14 and the outlet duct 15, through adjusting control valve 13 air inlet for telescopic link 11 can reciprocate.
Working principle: when the gangue blocking mechanism is used, a pit is dug at the bottom of a roadway 7, a base 5 and a gangue blocking lower section V steel 2 are welded together, and after the welding is finished, the base 5 is placed in the pit so as to improve the stability of the gangue blocking mechanism; after the operation is finished, the installation of the gangue blocking upper section V steel 1 is started, the lifting hook 6 is placed on the installation head 12, the control valve 13 is manually operated, so that external high-pressure air enters the air cylinder 10, the air cylinder 10 is caused to slowly rise to the installation position, meanwhile, the protruding part of round steel 4 is inserted into the blasting hole of the top plate of the roadway 7, and the gangue blocking mechanism is prevented from being toppled over due to the extrusion of gangue collapsed by the goaf 8; then two connecting clamps 3 are installed, two V steels are fixed to form a whole, and the control valve 15 is closed, so that the air cylinder 10 slowly descends, and then the gangue blocking mechanism is installed.
Therefore, the gangue blocking mechanism and the mounting device for the hard roof goaf solve the problems that the existing gangue blocking mechanism is not yielding, is easy to bend, has high mounting strength and the like, have stronger bending resistance, can realize recycling and reutilization, reduce the labor intensity of workers and improve the construction safety through the mounting device.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.
Claims (7)
1. The utility model provides a hard roof goaf is with keeping off gangue mechanism which characterized in that: the waste rock blocking device comprises waste rock blocking upper section V steel and waste rock blocking lower section V steel, wherein the top end part of the waste rock blocking lower section V steel is overlapped with the bottom end part of the waste rock blocking upper section V steel;
the waste rock blocking lower section V steel is characterized in that a base is fixedly connected to the bottom end of the waste rock blocking lower section V steel, a lifting hook is fixedly connected to the outer side of the concave surface of the waste rock blocking upper section V steel, a pair of connecting clamping cables are arranged below the lifting hook, and two connecting clamping cables are connected with the overlapping part of the waste rock blocking upper section V steel and the waste rock blocking lower section V steel at intervals.
2. The hard roof goaf gangue blocking mechanism of claim 1, wherein: the lengths of the gangue blocking upper section V steel and the gangue blocking lower section V steel are smaller than the width of a roadway.
3. The hard roof goaf gangue blocking mechanism of claim 1, wherein: the bending line of the gangue blocking lower section V steel is vertically arranged on the base.
4. The hard roof goaf gangue blocking mechanism of claim 1, wherein: the concave surfaces of the gangue blocking upper section V steel and the gangue blocking lower section V steel face the same.
5. The hard roof goaf gangue blocking mechanism of claim 1, wherein: round steel is welded on one side, close to the top end, in the concave surface of the gangue blocking upper section V steel, and the top end of the round steel is higher than the top end of the gangue blocking upper section V steel.
6. The mounting device for the gangue blocking mechanism for the hard roof goaf according to claim 1, wherein the mounting device comprises a mounting base, a telescopic rod is fixedly connected above the mounting base, a mounting head is fixedly connected to the top end of the telescopic rod, a cylinder is arranged in the middle of the telescopic rod, and a control valve is connected to the cylinder.
7. The mounting device for a gangue blocking mechanism for a hard roof goaf of claim 6, wherein: an air inlet pipe and an air outlet pipe are connected between the air cylinder and the control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320600100.2U CN219691594U (en) | 2023-03-24 | 2023-03-24 | Gangue blocking mechanism for hard roof goaf and mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320600100.2U CN219691594U (en) | 2023-03-24 | 2023-03-24 | Gangue blocking mechanism for hard roof goaf and mounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219691594U true CN219691594U (en) | 2023-09-15 |
Family
ID=87969539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320600100.2U Active CN219691594U (en) | 2023-03-24 | 2023-03-24 | Gangue blocking mechanism for hard roof goaf and mounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219691594U (en) |
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2023
- 2023-03-24 CN CN202320600100.2U patent/CN219691594U/en active Active
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