CN216305956U - Coal mine tunnel supporting construction - Google Patents
Coal mine tunnel supporting construction Download PDFInfo
- Publication number
- CN216305956U CN216305956U CN202122511946.2U CN202122511946U CN216305956U CN 216305956 U CN216305956 U CN 216305956U CN 202122511946 U CN202122511946 U CN 202122511946U CN 216305956 U CN216305956 U CN 216305956U
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- Prior art keywords
- shaped steel
- connecting block
- fixed
- movable
- screw
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000003245 coal Substances 0.000 title claims abstract description 12
- 238000010276 construction Methods 0.000 title abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 70
- 239000010959 steel Substances 0.000 claims abstract description 70
- 230000003014 reinforcing effect Effects 0.000 claims description 28
- 230000003044 adaptive effect Effects 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 7
- 238000005728 strengthening Methods 0.000 abstract 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
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Abstract
The utility model provides a coal mine tunnel supporting construction, includes into fixed pipe of wall, a screw, activity U-shaped steel, connecting block, fixed U-shaped steel, strengthens the frame, activity U-shaped steel suits with strengthening the frame, activity U-shaped steel both sides are respectively strengthened the frame parcel in the outside by 1, a connecting block is respectively connected to activity U-shaped steel both sides, movable U-shaped steel is connected to the connecting block upside, fixed U-shaped steel is connected to the connecting block downside, the connecting block suits with strengthening the frame, strengthen the frame parcel in the connecting block outside, fixed U-shaped steel suits with strengthening the frame, strengthen the frame parcel in the fixed U-shaped steel outside, strengthen the frame and connect gradually movable U-shaped steel, the connecting block, fixed U-shaped steel, it dodges the groove to strengthen the frame middle part, a screw has the nut, it is greater than the nut to dodge the groove radius, the connecting block has the thread groove.
Description
Technical Field
The utility model relates to the field of coal mines, in particular to a coal mine roadway supporting structure.
Background
In the installation process of the coal mine roadway supporting structure, the adopted U-shaped steels are all integrated, and the integration is not beneficial to the maintenance and replacement work of a single U-shaped steel.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides the coal mine roadway supporting structure which is convenient to disassemble, safe and reasonable.
The purpose of the utility model is realized by the following technical scheme:
a coal mine roadway supporting structure comprises a wall-entering fixing pipe, a first screw, movable U-shaped steel, connecting blocks, fixed U-shaped steel and reinforcing outer frames, wherein the movable U-shaped steel is adaptive to the reinforcing outer frames, two sides of the movable U-shaped steel are respectively wrapped on the outer sides by 1 reinforcing outer frame, two sides of the movable U-shaped steel are respectively connected with one connecting block, the upper side of each connecting block is connected with the movable U-shaped steel, the lower side of each connecting block is connected with the fixed U-shaped steel, the connecting blocks are adaptive to the reinforcing outer frames, the reinforcing outer frames are wrapped on the outer sides of the fixed U-shaped steel, the reinforcing outer frames are sequentially connected with the movable U-shaped steel, the connecting blocks and the fixed U-shaped steel, a dodging groove is formed in the middle of each reinforcing outer frame, the first screw is provided with a nut, the radius of the dodging groove is larger than that of the nut, each connecting block is provided with a thread groove, the thread groove is adaptive to the first screw, and the thread groove is connected with the first screw, the wall-in fixing pipe is nailed into the stone wall of the mine passage and is provided with a fastening thread groove, the fastening thread groove is matched with a first screw, and the fastening thread groove is connected with the first screw.
The movable U-shaped steel and the fixed U-shaped steel are provided with stress bosses, clamping bosses are arranged on two sides of the connecting block and are matched with the stress bosses, the clamping bosses are connected with the stress bosses, and the clamping bosses clamp the stress bosses.
Has the advantages that:
when maintenance and replacement are needed, the screw is dismounted, the reinforcing outer frame is disconnected with the movable U-shaped steel, the connecting block and the fixed U-shaped steel, the screw cap is reversely screwed to disconnect the screw with the wall-entering fixed pipe, the connecting block is disconnected with the movable U-shaped steel and the fixed U-shaped steel, the movable U-shaped steel can be dismounted, when installation is needed, the connecting block is connected with the movable U-shaped steel and the fixed U-shaped steel, the screw cap is forwardly screwed to connect the screw with the wall-entering fixed pipe, the wall-entering fixed pipe is nailed into the stone wall of the mine shaft, so that the whole device is tightly attached to the stone wall of the mine shaft, the safety and the stability of the supporting structure are ensured, after the connection of the screw and the wall-entering fixed pipe is completed, the reinforcing outer frame is sequentially connected with the fixed U-shaped steel, the connecting block and the movable U-shaped steel in a threaded mode, the overall strength of the supporting structure is enhanced, and damage caused by overlarge stress of the connecting part is avoided, the overall structure is convenient to disassemble, safe, reliable and reasonable in structure.
Drawings
Fig. 1 is a schematic diagram of a coal mine roadway supporting structure according to the utility model.
Fig. 2 is a schematic view of a partial structure of fig. 1 according to the present invention.
Fig. 3 is a cross-sectional view of the partial structure of fig. 1 according to the present invention.
Fig. 4 is a side view of the movable U-shaped steel connection according to the present invention.
Figure 5 is a side view of a fixed U-shaped steel connection according to the present invention.
Figure 6 is a side view of a connector block according to the present invention.
Detailed Description
The utility model is explained in more detail below with reference to the figures and examples:
a coal mine roadway supporting structure comprises a wall-entering fixing pipe 1, a first screw 2, a movable U-shaped steel 3, connecting blocks 4, a fixed U-shaped steel 5 and a reinforcing outer frame 6, wherein the movable U-shaped steel 3 is adaptive to the reinforcing outer frame 6, two sides of the movable U-shaped steel 3 are respectively wrapped on the outer sides by 1 reinforcing outer frame 6, two sides of the movable U-shaped steel 3 are respectively connected with one connecting block 4, the upper side of each connecting block 4 is connected with the movable U-shaped steel 3, the lower side of each connecting block 4 is connected with the fixed U-shaped steel 5, the connecting blocks 4 are adaptive to the reinforcing outer frame 6, the reinforcing outer frame 6 is wrapped on the outer sides of the connecting blocks 4, the fixed U-shaped steel 5 is adaptive to the reinforcing outer frame 6, the reinforcing outer frame 6 is wrapped on the outer side of the fixed U-shaped steel 5, the reinforcing outer frame 6 is sequentially connected with the movable U-shaped steel 3, the connecting blocks 4 and the fixed U-shaped steel 5, the middle part of the reinforcing outer frame 6 is provided with a avoiding groove 7, the first screw 2 is provided with a screw cap 13, the radius of the avoiding groove 7 is larger than the screw cap 13, the connecting block 4 is provided with a thread groove 10, the thread groove 10 is matched with the first screw 2, the thread groove 10 is in threaded connection with the first screw 2, the wall-entering fixing pipe 1 is nailed into a stone wall of a mine tunnel, the wall-entering fixing pipe 1 is provided with a fastening thread groove 14, the fastening thread groove 14 is matched with the first screw 2, and the fastening thread groove 14 is connected with the first screw 2.
The movable U-shaped steel 3 and the fixed U-shaped steel 5 are provided with stress bosses 9, the two sides of the connecting block 4 are provided with clamping bosses 8, the clamping bosses 8 are matched with the stress bosses 9, the clamping bosses 8 are connected with the stress bosses 9, and the clamping bosses 8 clamp the stress bosses 9.
When maintenance and replacement are needed, the screws are dismounted, the reinforcing outer frame 6 is disconnected with the movable U-shaped steel 3, the connecting block 4 and the fixed U-shaped steel 5, the screw cap 13 is reversely screwed to disconnect the screw 2 with the wall-entering fixed pipe 1, the connecting block 4 is disconnected with the movable U-shaped steel 3 and the fixed U-shaped steel 5, the movable U-shaped steel 3 can be dismounted, when installation is needed, the connecting block 4 is connected with the movable U-shaped steel 3 and the fixed U-shaped steel 5, the screw cap 13 is forwardly screwed to connect the screw 2 with the wall-entering fixed pipe 1, the wall-entering fixed pipe 1 is nailed into the stone wall of the mine shaft, the whole device is clung to the stone wall of the mine shaft, the safety and stability of the supporting structure are ensured, after the screw 2 is connected with the wall-entering fixed pipe 1, the reinforcing outer frame 6 is sequentially connected with the fixed U-shaped steel 5, the connecting block 4 and the movable U-shaped steel 3 in a threaded mode, and the overall strength of the supporting structure is strengthened, the connecting part is guaranteed not to be damaged due to overlarge stress, and the overall structure is convenient to disassemble, safe, reliable and reasonable in structure.
Claims (2)
1. A coal mine roadway supporting structure is characterized by comprising a wall-entering fixing pipe, a first screw, movable U-shaped steel, connecting blocks, fixed U-shaped steel and a reinforcing outer frame, wherein the movable U-shaped steel is adaptive to the reinforcing outer frame, two sides of the movable U-shaped steel are respectively wrapped on the outer sides by 1 reinforcing outer frame, two sides of the movable U-shaped steel are respectively connected with one connecting block, the upper side of each connecting block is connected with the movable U-shaped steel, the lower side of each connecting block is connected with the fixed U-shaped steel, the connecting blocks are adaptive to the reinforcing outer frame, the reinforcing outer frame is wrapped on the outer sides of the connecting blocks, the fixed U-shaped steel is adaptive to the reinforcing outer frame, the reinforcing outer frame is sequentially connected with the movable U-shaped steel, the connecting blocks and the fixed U-shaped steel, an avoidance groove is formed in the middle of the reinforcing outer frame, the first screw is provided with a nut, the radius of the avoidance groove is larger than that of the nut, the connecting block is provided with a thread groove, and the thread groove is adaptive to the first screw, the thread groove is in threaded connection with the first screw, the wall-in fixing pipe is nailed into the stone wall of the mine tunnel, the wall-in fixing pipe is provided with a fastening thread groove, the fastening thread groove is matched with the first screw, and the fastening thread groove is connected with the first screw.
2. The coal mine roadway supporting structure of claim 1, wherein the movable U-shaped steel and the fixed U-shaped steel are provided with stressed bosses, clamping bosses are arranged on two sides of the connecting block and are matched with the stressed bosses, the clamping bosses are connected with the stressed bosses, and the clamping bosses clamp the stressed bosses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122511946.2U CN216305956U (en) | 2021-10-19 | 2021-10-19 | Coal mine tunnel supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122511946.2U CN216305956U (en) | 2021-10-19 | 2021-10-19 | Coal mine tunnel supporting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216305956U true CN216305956U (en) | 2022-04-15 |
Family
ID=81115367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122511946.2U Expired - Fee Related CN216305956U (en) | 2021-10-19 | 2021-10-19 | Coal mine tunnel supporting construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216305956U (en) |
-
2021
- 2021-10-19 CN CN202122511946.2U patent/CN216305956U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220415 |