CN211573552U - Coal mine supporting equipment - Google Patents
Coal mine supporting equipment Download PDFInfo
- Publication number
- CN211573552U CN211573552U CN202020093799.4U CN202020093799U CN211573552U CN 211573552 U CN211573552 U CN 211573552U CN 202020093799 U CN202020093799 U CN 202020093799U CN 211573552 U CN211573552 U CN 211573552U
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- CN
- China
- Prior art keywords
- cylinder body
- stage cylinder
- wall
- level cylinder
- colliery
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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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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model relates to a field is strutted in the colliery. The utility model provides a coal mine support equipment, including one-level cylinder body (9), second grade cylinder body (2), activity support post (3), business turn over water passageway (10) of taking the valve are installed to the bottom of one-level cylinder body (9), install on one-level cylinder body (9) outer wall and connect inside manometer (8) of one-level cylinder body (9), one-level cylinder body (9) have the tubular construction of base (1) for upper end open-ended lower extreme, one of the upper end integration of one-level cylinder body (9) is connected, welded connection, one of bolted connection fixes central authorities and has first ring flange (7) of through-hole. The utility model discloses utilize common water not only with low costs under the colliery as working medium, can not cause the safety problem moreover, when demolising colliery supporting equipment simultaneously, directly discharge the water to the mine cavity, can also restrain the coal dust.
Description
Technical Field
The utility model relates to a field is strutted in the colliery.
Background
Coal mining process need strut, and oil is mostly adopted as working medium in the existing market, and oil can flow to the tunnel when leaking, makes the tunnel skid easily and causes the safety problem, and the pungent smell that oil produced also makes people uncomfortable simultaneously. Some coal seams mined by mines are thick, a single hydraulic prop or a secondary hydraulic prop with large height is needed, and the cost is high by adopting oil as a working medium.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: how to provide a water as working medium hydraulic prop as coal mine supporting equipment.
The utility model adopts the technical proposal that: a coal mine supporting device comprises a first-stage cylinder body (9), a second-stage cylinder body (2) and a movable supporting column (3), wherein a water inlet and outlet channel (10) with a valve is installed at the bottom of the first-stage cylinder body (9), a pressure gauge (8) connected with the inside of the first-stage cylinder body (9) is installed on the outer wall of the first-stage cylinder body (9), the first-stage cylinder body (9) is of a cylinder structure with an opening at the upper end and a base (1) at the lower end, one of the first-stage cylinder body (9) and the first flange (7) is fixed at the center in integral connection, welding connection and bolt connection, the second-stage cylinder body (2) is of a cylinder structure with an opening at the upper end and lower end, the outer wall of the second-stage cylinder body (2) and the inner wall of the first-stage cylinder body (9), the inner wall of the first flange (7) form, the movable supporting column (3) is of a cylinder structure with an opening at the lower end, the outer wall of the movable supporting column (3) and the inner wall of the second-stage cylinder body (2) and the inner wall of the second flange plate (6) form a sliding groove structure, a top cover (4) is fixed at the upper end of the movable supporting column (3), and an air outlet pipe (5) which is communicated with the inside of the movable supporting column (3) and is provided with a cap plug is arranged on the top cover (4).
The sliding groove structure is a guide rail sliding structure formed by the protrusion of the cuboid and the groove of the cuboid.
The lower end of the cylinder body of the secondary cylinder body (2) is provided with an outer edge, and the lower end of the cylinder body of the movable support column (3) is provided with an outer edge.
The utility model has the advantages that: the utility model discloses utilize common water not only with low costs under the colliery as working medium, can not cause the safety problem moreover, when demolising colliery supporting equipment simultaneously, directly discharge the water to the mine cavity, can also restrain the coal dust. In addition, water is used as a common dust suppression medium under a coal mine, is common in coal mine tunnels and is convenient to obtain.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic A-A diagram of FIG. 1;
FIG. 3 is a schematic view of the connection of the first flange to the primary cylinder;
FIG. 4 is a schematic view of the secondary cylinder and the sliding groove of the first flange;
the water inlet and outlet device comprises a base 1, a secondary cylinder body 2, a movable support column 3, a top cover 4, a top cover 5, an air outlet pipe with a cap plug 6, a second flange plate 7, a first flange plate 8, a pressure gauge 9, a primary cylinder body 10 and a water inlet and outlet channel.
Detailed Description
As shown in fig. 1-4, a second-stage cylinder body 2 is mounted inside a first-stage cylinder body 9, the cylinder body 2 is a first-stage cylinder body 9 telescopic arm, a movable support pillar 3 is arranged inside the second-stage cylinder body 2, the movable support pillar 3 is a second-stage cylinder body 2 telescopic arm, a top cover 4 is mounted at the top of the movable support pillar 3, the top cover 4 is used for directly contacting with the top of a roadway, and can be various matched top covers (such as a hinged top cover matched with a metal hinged top beam, a column cap type top cover and the like) in the prior art according to requirements. The first-stage cylinder body 9 is a cylinder structure with an upper end open and a lower end provided with a base 1, the first-stage cylinder body 9 is provided with a water inlet and outlet channel 10 and a pressure gauge 8, the water inlet and outlet channel 10 is provided with a valve and a quick connector connected with a water pipe (the quick connector can be various pipeline quick connectors in the prior art). The upper end of a first-stage cylinder body 9 is connected and fixed with a first flange 7 with a through hole at the center through a bolt, the inner wall of the first flange 7 is attached to the outer wall of a second-stage cylinder body 2 and can slide with the second-stage cylinder body, the second-stage cylinder body 2 is of a cylinder structure with openings at the upper end and the lower end, the outer wall of the second-stage cylinder body 2, the inner wall of the first-stage cylinder body 9 and the inner wall of the first flange 7 form a sliding groove structure, a second flange 6 with a through hole at the center is connected and fixed with a second flange 6 (the connecting mode is similar to that of the first flange 7 and the first-stage cylinder body 9) through a bolt of the second-stage cylinder body 2, the inner diameter of the first flange 7 is smaller than the outer diameter of the second flange 6, the second flange 6 is guaranteed to be clamped above the first flange 7, a movable support pillar 3 is of a cylinder structure with, the top cover 4 is provided with an air outlet pipe 5 which is communicated with the inside of the movable support post 3 and is provided with a cap plug, namely, the opening part of the air outlet pipe 5 is provided with external threads, and a nut which is provided with internal threads and is provided with one end sealed and the other end opened is arranged on the nut to be used as the cap plug. The sliding groove structure is a guide rail sliding structure formed by the protrusion of the cuboid and the groove of the cuboid. The lower end of the cylinder body of the secondary cylinder body 2 is provided with an outer edge, and the lower end of the cylinder body of the movable support post 3 is provided with an outer edge.
In the use, with running water through water pump connection to business turn over water passageway 10, open the valve on the business turn over water passageway 10, because the height of tunnel is less than 5 meters generally, therefore the water that the water pump was impressed in one-level cylinder body 9 is enough to push top cap 4 on the tunnel roof. The cap plug on the air outlet pipe 5 needs to be taken down before water is filled, when water begins to flow out of the air outlet pipe 5, the cap plug is installed, under the action of water pressure, the top cover 4 tightly pushes the top of the roadway, at the moment, the valve on the inlet and outlet channel 10 is tightly closed, and the water pump connecting pipe is taken down to complete support.
Claims (3)
1. The utility model provides a colliery is strutted and is equipped which characterized in that: comprises a first-stage cylinder body (9), a second-stage cylinder body (2) and a movable support pillar (3), wherein a water inlet and outlet channel (10) with a valve is arranged at the bottom of the first-stage cylinder body (9), a pressure gauge (8) connected with the inside of the first-stage cylinder body (9) is arranged on the outer wall of the first-stage cylinder body (9), the first-stage cylinder body (9) is of a cylinder structure with an opening at the upper end and a base (1) at the lower end, one of the first-stage cylinder body (9) is integrally connected, welded and bolted with the upper end of the first-stage cylinder body (9) and is provided with a first flange (7) with a through hole at the center, the second-stage cylinder body (2) is of a cylinder structure with an opening at the upper end and the lower end, the outer wall of the second-stage cylinder body (2) and the inner wall of the first-stage cylinder body (9), the inner wall of the first, the outer wall of the movable support column (3), the inner wall of the second-stage cylinder body (2) and the inner wall of the second flange plate (6) form a sliding groove structure, a top cover (4) is fixed at the upper end of the movable support column (3), and an air outlet pipe (5) which is communicated with the inside of the movable support column (3) and is provided with a cap plug is arranged on the top cover (4).
2. A coal mine support assembly as claimed in claim 1, in which: the sliding groove structure is a guide rail sliding structure formed by the protrusion of the cuboid and the groove of the cuboid.
3. A coal mine support assembly as claimed in claim 1, in which: the lower end of the cylinder body of the secondary cylinder body (2) is provided with an outer edge, and the lower end of the cylinder body of the movable support column (3) is provided with an outer edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020093799.4U CN211573552U (en) | 2020-01-16 | 2020-01-16 | Coal mine supporting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020093799.4U CN211573552U (en) | 2020-01-16 | 2020-01-16 | Coal mine supporting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211573552U true CN211573552U (en) | 2020-09-25 |
Family
ID=72554893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020093799.4U Expired - Fee Related CN211573552U (en) | 2020-01-16 | 2020-01-16 | Coal mine supporting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211573552U (en) |
-
2020
- 2020-01-16 CN CN202020093799.4U patent/CN211573552U/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 |
Granted publication date: 20200925 Termination date: 20220116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |