CN218206735U - Coal mine tunnel supporting construction - Google Patents
Coal mine tunnel supporting construction Download PDFInfo
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- CN218206735U CN218206735U CN202222061169.0U CN202222061169U CN218206735U CN 218206735 U CN218206735 U CN 218206735U CN 202222061169 U CN202222061169 U CN 202222061169U CN 218206735 U CN218206735 U CN 218206735U
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- coal mine
- inserting strips
- top plate
- strips
- fixedly connected
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Abstract
Not enough to prior art, the utility model provides a coal mine tunnel supporting construction, for purpose more than realizing, the utility model discloses a following technical scheme realizes: a coal mine roadway supporting structure comprises two symmetrically arranged positioning sleeves, slots formed in the positioning sleeves and inserting strips inserted in the slots, wherein the upper ends of the inserting strips are fixedly connected with a top plate together, the positioning sleeves are fixedly connected with locking assemblies used for fixing the inserting strips, and the inserting strips are provided with clamping grooves which are arranged in a vertical linear equidistant mode; the locking assembly comprises two fixing blocks fixed on the side walls of the positioning sleeve, a screw rod is inserted between the side walls of the fixing blocks in a rotating mode, a threaded block is sleeved on the screw rod, and when the inserting strips are fixed, one end of the threaded block is clamped in the clamping groove.
Description
Technical Field
The utility model relates to a coal mine tunnel supporting construction specifically is a coal mine tunnel supporting construction.
Background
The coal mine in China is mainly underground mining, a large number of roadways need to be excavated underground, roadway support is adopted to keep the roadways smooth and surrounding rocks stable, the important significance is provided for coal mine construction and production, the basic purpose of supporting the roadways is to alleviate and reduce the movement of the surrounding rocks, the section of the roadway is not excessively reduced, and meanwhile, the scattered and damaged surrounding rocks are prevented from falling off.
To application number for CN202123062540.7 discloses a coal mine tunnel supporting device, including base and support, the support is including a backplate and supporting roof, the quantity of support is two and respectively fixed mounting in the both sides of base, be provided with mounting groove one on the support, fixed mounting has strutting arrangement on the inside wall of mounting groove one, strutting arrangement includes hydraulic pressure case, threaded rod one, the valve block, the connecting pipe, the valve, a hydraulic pressure section of thick bamboo, lift shell and lifter plate, supporting roof fixed mounting is at strutting arrangement's top, the bottom at base both ends all is provided with screw hole two, one side of a backplate is provided with mounting groove two, fixed mounting has the connecting rod on the inside wall of mounting groove two, hydraulic pressure case fixed mounting is in the one end of connecting rod, can be with supporting roof jack-up, and then can be right the utility model discloses a height changes, can make the utility model is suitable for a not tunnel of co-altitude, great increase the utility model discloses an application scope.
Although the purpose of high lift can be realized to above-mentioned comparison file, this structure is bulky, needs artifical manual rotation threaded rod one during the lift, needs to consume more labour, adjusts comparatively inconveniently, and portable inadequately.
Disclosure of Invention
Not enough to prior art, the utility model provides a coal mine tunnel supporting construction has solved the problem of proposing in the above-mentioned background art.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a coal mine roadway supporting structure comprises two symmetrically arranged positioning sleeves, slots formed in the positioning sleeves and inserting strips inserted in the slots, wherein the upper ends of the inserting strips are fixedly connected with a top plate together, the positioning sleeves are fixedly connected with locking assemblies used for fixing the inserting strips, and the inserting strips are provided with clamping grooves which are arranged in a vertical linear equidistant mode;
the locking assembly comprises two fixing blocks fixed on the side walls of the positioning sleeve, a screw rod is inserted between the side walls of the fixing blocks in a rotating mode, a threaded block is sleeved on the screw rod, and when the inserting strips are fixed, one end of the threaded block is clamped in the clamping groove.
Preferably, the bottoms of the two fixing blocks are fixedly connected with horizontally arranged guide frames, and the lower ends of the thread blocks are arranged in the guide frames in a sliding mode.
Preferably, the bottom of the top plate is rotatably provided with four rotating strips, the rotating strips are far away from positioning pins vertically arranged at one end of the top plate, and four protective nets are arranged between the rotating strips.
Preferably, the positioning pin is cylindrical and penetrates through the protective net.
Preferably, the rotating strip is provided with a bolt through threads, and the bottom of the top plate is provided with a corresponding screw hole.
Preferably, the top of the top plate is in a frustum shape, and the inserting strips are perpendicular to the top plate.
The utility model provides a coal mine tunnel supporting construction possesses following beneficial effect:
1. the utility model discloses in, adopt cutting, position sleeve and locking Assembly, remove the cutting in vertical direction, adjust the position of cutting in the slot inside, then fix the vertical position of cutting through locking Assembly to quick convenient carry out the altitude mixture control to the roof, operate laborsaving, whole device is small, and portable is applicable to the temporary support condition.
2. The utility model discloses in, adopt the protection network, rotate strip and locating pin, rotate four strips for one end is rotatory to roof one side, then carries out the rigidity through the bolt, sets up the protection network on rotating the strip, can block the rubble that falls to coal mine tunnel top, avoids pounding the staff, has the guard action.
Drawings
Fig. 1 is a front view three-dimensional structure diagram of a coal mine roadway supporting structure provided by the utility model;
FIG. 2 is an enlarged structural view taken at the point A in FIG. 1;
fig. 3 is a bottom perspective structural view of a coal mine roadway supporting structure provided by the utility model;
fig. 4 is the utility model provides a state structure picture is dismantled to coal mine tunnel supporting construction's protection network.
In the figure: 1. a positioning sleeve; 2. cutting; 3. a top plate; 4. inserting slots; 5. a protective net; 6. rotating the strip; 7. positioning pins; 8. a screw hole; 9. a bolt; 10. a card slot; 11. a screw rod; 12. a thread block; 13. a guide frame; 14. and (5) fixing blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 4, the present invention provides a technical solution: a coal mine roadway supporting structure comprises two symmetrically arranged positioning sleeves 1, slots 4 formed in the positioning sleeves 1 and inserting strips 2 inserted in the slots 4, wherein the upper ends of the inserting strips 2 are fixedly connected with a top plate 3 together, locking assemblies used for fixing the inserting strips 2 are fixedly connected to the positioning sleeves 1, clamping grooves 10 which are arranged in a vertical linear equidistant mode are formed in the inserting strips 2, and the clamping grooves 10 are rectangular grooves;
move cutting 2 in vertical direction, adjust the position of cutting 2 in slot 4 inside, then fix the vertical position of cutting 2 through locking Assembly to quick convenient carry out altitude mixture control to roof 3, the operation is laborsaving, and whole device is small, portable is applicable to the temporary support condition.
In this implementation, locking Assembly includes two fixed blocks 14 that are fixed in the lateral wall of position sleeve 1, rotates between two fixed block 14 lateral walls to insert and is equipped with lead screw 11, and the cover is equipped with screw block 12 on the lead screw 11, and when fixed to cutting graftage 2, screw block 12 one end joint is in draw-in groove 10.
When the inserting strip 2 is stopped and moved at a proper position, the screw rod 11 is rotated to drive the thread block 12 to move along the axial direction of the screw rod 11, so that one end of the thread block 12 is clamped into the clamping groove 10, and the inserting strip 2 is locked and fixed.
In order to ensure that the screw block 12 can move along the horizontal direction, a horizontally arranged guide frame 13 is fixedly connected to the bottoms of the two fixing blocks 14, and the lower end of the screw block 12 is slidably arranged in the guide frame 13.
In this embodiment, roof 3 bottom is rotated and is provided with four and rotates strip 6, rotates strip 6 and keeps away from the locating pin 7 of the vertical setting of 3 one end fixedly connected with of roof, four rotate and are provided with protection network 5 between the strip 6, and locating pin 7 is cylindricly, and locating pin 7 passes protection network 5 and sets up, and the corner joint of protection network 5 is fixed on locating pin 7, also can realize dismantling the separation.
When installation protection network 5, rotate four strip 6 rotations for 6 one end of rotation strip is rotatory to roof 3 one side, then carries out the rigidity through bolt 9, sets up protection network 5 on rotating strip 6, can block the rubble that falls to coal mine tunnel top, avoids injuring the staff by a crashing object, has the guard action.
A bolt 9 is inserted into the rotating strip 6 through threads, the bottom of the top plate 3 is provided with corresponding screw holes 8, four groups of screw holes 8 are formed, each group is two, one rotating strip 6 corresponds to one group, and one end of the bolt 9 is screwed into the screw hole 8 to fix the position of the rotating strip 6.
The top of the top plate 3 is in a frustum shape, and the inserting strips 2 are vertically arranged with the top plate 3 (have more stable structural strength and better support purpose).
The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a coal mine tunnel supporting construction which characterized in that: the device comprises two symmetrically arranged positioning sleeves (1), slots (4) formed in the positioning sleeves (1) and inserting strips (2) inserted into the slots (4), wherein the upper ends of the inserting strips (2) are fixedly connected with a top plate (3) together, locking assemblies used for fixing the inserting strips (2) are fixedly connected to the positioning sleeves (1), and clamping grooves (10) which are arranged in a vertical linear equidistant mode are formed in the inserting strips (2);
locking Assembly includes two fixed blocks (14) that are fixed in position sleeve (1) lateral wall, two it is equipped with lead screw (11) to rotate to insert between fixed block (14) lateral wall, the cover is equipped with screw block (12) on lead screw (11), when fixed to cutting graftage (2), screw block (12) one end joint in draw-in groove (10).
2. A coal mine roadway support structure according to claim 1, wherein: the bottom of each of the two fixing blocks (14) is fixedly connected with a horizontally arranged guide frame (13), and the lower end of each thread block (12) is arranged in the corresponding guide frame (13) in a sliding mode.
3. A coal mine roadway support structure according to claim 1, wherein: the bottom of the top plate (3) is rotatably provided with four rotating strips (6), the rotating strips (6) are far away from positioning pins (7) which are vertically arranged at one end of the top plate (3) in a fixedly connected mode, and four protective nets (5) are arranged between the rotating strips (6).
4. A coal mine roadway support structure according to claim 3, wherein: the positioning pin (7) is cylindrical, and the positioning pin (7) penetrates through the protective net (5).
5. A coal mine roadway support structure according to claim 3, wherein: the rotating strip (6) is provided with a bolt (9) in a threaded insertion manner, and the bottom of the top plate (3) is provided with a corresponding screw hole (8).
6. A coal mine roadway support structure according to claim 1, wherein: the top of the top plate (3) is in a frustum shape, and the inserting strips (2) are perpendicular to the top plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222061169.0U CN218206735U (en) | 2022-08-07 | 2022-08-07 | Coal mine tunnel supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222061169.0U CN218206735U (en) | 2022-08-07 | 2022-08-07 | Coal mine tunnel supporting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218206735U true CN218206735U (en) | 2023-01-03 |
Family
ID=84653847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222061169.0U Active CN218206735U (en) | 2022-08-07 | 2022-08-07 | Coal mine tunnel supporting construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218206735U (en) |
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2022
- 2022-08-07 CN CN202222061169.0U patent/CN218206735U/en active Active
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