CN211777513U - Protection device for coal mining - Google Patents
Protection device for coal mining Download PDFInfo
- Publication number
- CN211777513U CN211777513U CN202020148350.3U CN202020148350U CN211777513U CN 211777513 U CN211777513 U CN 211777513U CN 202020148350 U CN202020148350 U CN 202020148350U CN 211777513 U CN211777513 U CN 211777513U
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- CN
- China
- Prior art keywords
- plate
- hypoplastron
- groove
- hole
- picture peg
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model provides a protector is used in colliery excavation, includes roof, side upper plate, side hypoplastron, oblique extension board, branch, picture peg, the mine opening top is connected on roof upper portion, the side hypoplastron is connected the mine opening side, the mine opening bottom has side hypoplastron groove, side hypoplastron lower part suits with side hypoplastron groove, side hypoplastron groove is inserted to side hypoplastron lower part, the side hypoplastron is connected to the limiting plate side, the limiting plate has the picture peg, the side hypoplastron has the picture peg hole, the picture peg passes the picture peg hole and inserts the mine opening lateral wall, the limiting plate passes No. two bolted connection side hypoplastron, side upper plate lateral surface connects the mine opening lateral wall, side upper plate lower part has the picture peg, the side hypoplastron has the draw-in groove, the picture peg suits.
Description
Technical Field
The utility model relates to a colliery field of digging especially relates to a protector is used in colliery digging.
Background
In the excavation of colliery, the exploitation of mine hole need support the protection to it inside and avoid the collapse of mine hole, however the device of current payment protection struts the effect not good, and the atress is also uneven.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the above-mentioned not enough to prior art exists provides a protector is used in colliery excavation of balanced atress.
The utility model aims at realizing through the following technical scheme:
the utility model provides a protector is used in colliery excavation, includes roof, side upper plate, side hypoplastron, oblique extension board, branch, picture peg, the mine opening top is connected on roof upper portion, the side hypoplastron is connected the mine opening side, the mine opening bottom has side hypoplastron groove, side hypoplastron lower part suits with side hypoplastron groove, side hypoplastron groove is inserted to side hypoplastron lower part, the side hypoplastron is connected to the limiting plate side, the limiting plate has the picture peg, the side hypoplastron has the picture peg hole, the picture peg passes the picture peg hole and inserts the mine opening lateral wall, the limiting plate passes No. two bolted connection side hypoplastron, side upper plate lateral surface connects the mine opening lateral wall, side upper plate lower part has the picture peg, the side hypoplastron has the draw-in groove, the picture peg suits.
The upper surface of the side upper plate is connected with the top plate, the lower part of the top plate is provided with a convex plate, the convex plate is provided with an inclined supporting plate groove, the upper part of the inclined supporting plate is matched with the inclined supporting plate groove, the upper part of the inclined supporting plate is inserted into the inclined supporting plate groove, the side upper plate is connected with the side lower part of the inclined supporting plate, the lower part of the inclined supporting plate is connected with the side upper plate through a bolt, the convex plate is provided with a supporting rod right hole, the supporting rod is matched with the supporting rod right hole, the supporting rod right side penetrates through the supporting rod right hole to be connected with the inclined supporting plate, the upper part of the side.
Has the advantages that:
the lower part of the side lower plate is inserted into the side lower plate groove, the side lower plate groove is positioned on the side lower plate, the side lower plate is kept vertical, the side lower plate bears the lateral pressure of the side wall of the mine cavity, the inserting plate is inserted into the side wall of the mine cavity through an inserting plate hole, the inserting plate is positioned vertically on the side lower plate, the side lower plate is prevented from moving up and down, a limiting plate is fixed on the side lower plate through a second bolt, a connecting rod passes through an inserting plate connecting nut, the side upper plate and the side lower plate are firmly connected, the upper surface of the side upper plate is connected with a top plate, the side upper plate and the side lower plate are matched to support the top plate, the side upper plate on two sides of the lower part of the top plate is matched to keep the top plate balanced, the top plate bears the pressure of the top of the mine cavity, the lower part of an inclined support plate is fixed on the side upper plate, the upper part of the, the supporting rod uses the inclined supporting plate as a support to apply leftward pressure on the side upper plate, so that the side upper plate is in seamless connection with the side wall of the mine hole, and the device supports the mine hole through the cooperation of all the parts and supports the natural extrusion force of the mine hole.
Drawings
Fig. 1 is a front cross-sectional view of a protective device for coal mining according to the present invention.
Fig. 2 is a left side view cross-sectional view of a protective device for coal mining.
Fig. 3 is a partial enlarged view of the top plate and the side upper plate of the present invention.
Figure 4 is the local enlargements of side hypoplastron, limiting plate.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples:
a protection device for coal mine excavation comprises a top plate 01, a side upper plate 02, a side lower plate 03, oblique support plates 09, support rods 11 and an insert plate 14, wherein the upper part of the top plate 01 is connected with the top of a mine cave, the side lower plate 03 is connected with the side of the mine cave, the bottom of the mine cave is provided with a side lower plate groove 18, the lower part of the side lower plate 03 is matched with the side lower plate groove 18, the lower part of the side lower plate 03 is inserted into the side lower plate groove 18, the side lower plate groove 18 positions the side lower plate 03, so that the side lower plate 03 is kept vertical, the side lower plate 03 bears the lateral pressure of the side wall of the mine cave, the side lower plate 03 is connected with a limit plate 16, the side lower plate 03 is provided with an insert plate 14, the insert plate 14 penetrates through the insert plate hole 15 to be inserted into the side wall of the, the side lower plate 03 is prevented from moving up and down, the limiting plate 16 is fixed on the side lower plate 03 through a second bolt 17, the side face of the side upper plate 02 is connected with the side wall of the mine opening, the lower portion of the side upper plate 02 is provided with an inserting plate 05, the side lower plate 03 is provided with a clamping groove 04, the inserting plate 05 is matched with the clamping groove 04, the inserting plate 05 is connected with the clamping groove 04, the side lower plate 03 is provided with a connecting rod 06, the connecting rod 06 penetrates through an inserting plate 05 connecting nut 07, and the connecting rod 06 penetrates through an inserting plate 05 connecting nut 07, so that.
The upper surface of the side upper plate 02 is connected with a top plate 01, the upper surface of the side upper plate 02 is connected with the top plate 01, the side upper plate 02 is matched with a side lower plate 03 to support the top plate 01, the side upper plates 02 on two sides of the lower part of the top plate 01 are matched to keep the balance of the top plate 01, the top plate 01 bears the pressure of the top of the mine cave, the lower part of the top plate 01 is provided with a convex plate 08, the convex plate 08 is provided with an inclined support plate groove 10, the upper part of an inclined support plate 09 is matched with the inclined support plate groove 10, the upper part of the inclined support plate 09 is inserted into the inclined support plate groove 10, the lower part of the inclined support plate 09 is connected with the side upper plate 02 through a bolt 19, the lower part of the inclined support plate 09 is fixed on the side upper plate 02, the upper part of the inclined support plate 09 is inserted into the inclined support plate groove 10, the inclined support plate 09 assists in supporting the top plate 01, the convex plate, the upper portion of side upper plate 02 has branch left hole 13, branch 11 left side suits with branch left hole 13, branch 11 left side connection branch left hole 13, branch 11 right side is passed branch right hole 12 and is connected oblique extension board 09, branch 11 left side connection branch left hole 13, branch right hole 12 is fixed a position branch 11 with the cooperation of branch left hole 13, branch 11 uses oblique extension board 09 to exert pressure left for supporting contralateral upper plate 02, make side upper plate 02 and the seamless connection of mine opening lateral wall, connect this device to support the mine opening through the cooperation of each part, support the natural extrusion force in mine opening.
Claims (2)
1. The protection device for coal mine excavation is characterized by comprising a top plate, an upper side plate, a lower side plate, an inclined support plate, a support rod and an inserting plate, wherein the upper part of the top plate is connected with the top of a mine hole, the lower side plate is connected with the side of the mine hole, the bottom of the mine hole is provided with a lower side plate groove, the lower part of the lower side plate is matched with the lower side plate groove, the lower part of the lower side plate is inserted into the lower side plate groove, the side surface of a limiting plate is connected with the lower side plate, the limiting plate is provided with an inserting plate, the lower side plate is provided with an inserting plate hole, the inserting plate penetrates through the inserting plate hole and is inserted into the side wall of the mine hole, the limiting plate is connected with the lower side plate through a second bolt, the side surface of the upper side.
2. The coal mining protective device according to claim 1, wherein the upper surface of the upper side plate is connected with a top plate, the lower part of the top plate is provided with a convex plate, the convex plate is provided with an inclined supporting plate groove, the upper part of the inclined supporting plate is matched with the inclined supporting plate groove, the upper part of the inclined supporting plate is inserted into the inclined supporting plate groove, the side surface of the lower part of the inclined supporting plate is connected with the upper side plate, the lower part of the inclined supporting plate is connected with the upper side plate through a bolt, the convex plate is provided with a supporting rod right hole, the supporting rod is matched with the supporting rod right hole, the right side of the supporting rod penetrates through the supporting rod right hole to be connected with the inclined supporting plate, the upper part of the upper side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020148350.3U CN211777513U (en) | 2020-01-31 | 2020-01-31 | Protection device for coal mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020148350.3U CN211777513U (en) | 2020-01-31 | 2020-01-31 | Protection device for coal mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211777513U true CN211777513U (en) | 2020-10-27 |
Family
ID=72904014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020148350.3U Expired - Fee Related CN211777513U (en) | 2020-01-31 | 2020-01-31 | Protection device for coal mining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211777513U (en) |
-
2020
- 2020-01-31 CN CN202020148350.3U patent/CN211777513U/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: 20201027 Termination date: 20220131 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |