CN210422653U - Tunnel bearing structure for coal excavation - Google Patents
Tunnel bearing structure for coal excavation Download PDFInfo
- Publication number
- CN210422653U CN210422653U CN201921450812.0U CN201921450812U CN210422653U CN 210422653 U CN210422653 U CN 210422653U CN 201921450812 U CN201921450812 U CN 201921450812U CN 210422653 U CN210422653 U CN 210422653U
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- Prior art keywords
- fixedly connected
- rod
- groove
- dead lever
- hand
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- 239000003245 coal Substances 0.000 title claims abstract description 26
- 238000009412 basement excavation Methods 0.000 title description 4
- 230000008093 supporting effect Effects 0.000 claims description 20
- 238000005065 mining Methods 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 abstract description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a coal is excavated and is used tunnel bearing structure, the on-line screen storage device comprises a base, the last fixed surface of base is connected with hand telescopic link, hand telescopic link's top fixedly connected with layer board, the last fixed surface of layer board is connected with the fixed plate, the last fixed surface of fixed plate is connected with the dead lever, the groove of accomodating has been seted up to the side of dead lever, accomodate the inner wall fixedly connected with pivot in groove, the side fixedly connected with kelly of pivot. This coal is excavated and is used tunnel bearing structure, through setting up the dead lever, the apparatus further comprises a rotating shaft, kelly and magnetite, the dead lever of being convenient for rotates the side of accomodating into the dead lever, through setting up the dead lever, movable rod and fixture block, the dead lever of being convenient for passes through the fixture block joint of kelly and movable rod side, through setting up the fixed plate, the slider, the movable rod, backup pad and lug, the movable rod of being convenient for removes and two backup pad mutual joints are fixed, conveniently support the tunnel top, thereby reach the effect that the tunnel is convenient for support the tunnel for coal is excavated.
Description
Technical Field
The utility model relates to a coal mining technical field specifically is a coal is excavated and is used tunnel bearing structure.
Background
The support is widely applied to the support operation of the pre-digging main withdrawing channel in the coal mining area, and almost all the pre-digging main withdrawing channels of the coal mine are supported by the support and the anchor net in a combined mode. The bracket has a good application effect on a main withdrawal roadway with a relatively flat roof, but part of the coal mine roof has poor conditions and is uneven, so that the bracket cannot realize surface contact with the roof, and most of the bracket is in line contact and point contact, thereby greatly reducing the support supporting effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coal is excavated and is used tunnel bearing structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a roadway support structure for coal mining comprises a base, wherein a hand-operated telescopic rod is fixedly connected to the upper surface of the base, a supporting plate is fixedly connected to the top end of the hand-operated telescopic rod, a fixed plate is fixedly connected to the upper surface of the supporting plate, a fixed rod is fixedly connected to the upper surface of the fixed plate, an accommodating groove is formed in the side surface of the fixed rod, a rotating shaft is fixedly connected to the inner wall of the accommodating groove, a clamping rod is fixedly connected to the side surface of the rotating shaft, a magnet is embedded in the upper surface of the clamping rod, a sliding groove is formed in the upper surface of the fixed plate, a sliding block is slidably connected to the inner wall of the sliding groove, a movable rod is fixedly connected to the upper surface of the sliding block, a clamping block is fixedly connected to the side surface of the movable rod, a groove is formed in the upper surface, a longitudinal groove is formed in one side of the supporting plate, and a convex block is fixedly connected to the other side of the supporting plate.
Preferably, the base is fixed with the fixed plate through two hand telescopic links, and the handle is inserted in the front of the hand telescopic link.
Preferably, the circular slot has been seted up to the upper surface of hand telescopic link, the inner wall sliding connection of circular slot has the ejector pin, and the side meshing of ejector pin is connected with and rotates the wheel, and the front round hole of rotating the wheel is pegged graft and is had the handle, the bottom side fixedly connected with locating lever of ejector pin, and the inner wall bottom of circular slot set up with the locating lever gliding groove from top to bottom.
Preferably, the bottom and the top of movable rod have fixedly connected with slider, and the upper surface of fixed plate and the lower surface of backup pad all offer with the slider spout that removes the looks adaptation.
Preferably, the lateral longitudinal groove of the support plate is matched with the convex block on the other side of the support plate, and threaded holes are formed in the upper surface of one side of the support plate and the upper surface of the convex block.
Preferably, the one end of kelly slides with the recess inner wall of fixture block upper surface, and the kelly passes through the pivot and accomodates the groove looks adaptation with the dead lever side, accomodates the inside wall fixedly connected with of groove and the magnetite that the dead lever surface was inhaled mutually.
Advantageous effects
The utility model provides a coal is excavated and is used tunnel bearing structure possesses following beneficial effect:
1. this coal is excavated and is used tunnel bearing structure, through setting up the dead lever, the apparatus further comprises a rotating shaft, kelly and magnetite, the dead lever of being convenient for rotates the side of accomodating into the dead lever, through setting up the dead lever, movable rod and fixture block, the dead lever of being convenient for passes through the fixture block joint of kelly and movable rod side, through setting up the fixed plate, the slider, the movable rod, backup pad and lug, the movable rod of being convenient for removes and two backup pad mutual joints are fixed, conveniently support the tunnel top, thereby reach the effect that the tunnel is convenient for support the tunnel for coal is excavated.
2. This tunnel bearing structure is used in coal excavation through setting up base, fixed plate and hand telescopic link, is convenient for drive the fixed plate through hand telescopic link, and the fixed plate passes through movable rod and dead lever top and moves the backup pad to make the backup pad insert the tunnel top layer through the picture peg, fixed tunnel prevents to sink, thereby reaches the effect that tunnel bearing structure has fixed tunnel for coal excavation.
Drawings
FIG. 1 is a schematic front sectional view of the structure of the present invention;
fig. 2 is the utility model discloses the structure hand telescopic link is just cut open the schematic diagram.
In the figure: 1 base, 2 hand telescopic link, 201 ejector pin, 202 circular slot, 203 rotation wheel, 204 locating lever, 3 layer boards, 4 fixed plates, 5 fixed poles, 6 storage grooves, 7 pivot, 8 kellies, 9 magnetite, 10 spout, 11 sliders, 12 movable rods, 13 fixture blocks, 14 recesses, 15 backup pads, 16 inserted bars, 17 vertical slots, 18 lugs.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a roadway support structure for coal mining comprises a base 1, wherein a hand-operated telescopic rod 2 is fixedly connected to the upper surface of the base 1, the hand-operated telescopic rod 2 comprises a top rod 201, a circular groove 202 is formed in the upper surface of the hand-operated telescopic rod 2, the inner wall of the circular groove 202 is slidably connected with the top rod 201, the side surface of the top rod 201 is engaged and connected with a rotating wheel 203, a handle is inserted into a front circular hole of the rotating wheel 203, a positioning rod 204 is fixedly connected to the bottom side surface of the top rod 201, a groove which vertically slides with the positioning rod 204 is formed in the bottom of the inner wall of the circular groove 202, a supporting plate 3 is fixedly connected to the top end of the hand-operated telescopic rod 2, a fixing plate 4 is fixedly connected to the upper surface of the supporting plate 3, the base 1 and the fixing plate 4 are supported and fixed through two hand-operated telescopic rods 2, the handle, a rotating shaft 7 is fixedly connected to the inner wall of the accommodating groove 6, a clamping rod 8 is fixedly connected to the side surface of the rotating shaft 7, a magnet 9 is embedded on the upper surface of the clamping rod 8, a sliding groove 10 is formed on the upper surface of the fixing plate 4, a sliding block 11 is slidably connected to the inner wall of the sliding groove 10, a movable rod 12 is fixedly connected to the upper surface of the sliding block 11, a clamping block 13 is fixedly connected to the side surface of the movable rod 12, a groove 14 is formed in the upper surface of the clamping block 13, one end of the clamping rod 8 slides in the groove 14 on the upper surface of the clamping block 13, the clamping rod 8 is matched with the accommodating groove 6 on the side surface of the fixing rod 5 through the rotating shaft 7, the magnet 9 absorbed by the surface of the fixing rod 5 is fixedly connected to the inner side wall of the accommodating groove 6, a supporting plate 15 is slidably connected to the top end of the movable rod 12, a sliding block 11 is fixedly connected to, the upper surface of the supporting plate 15 is fixedly connected with an inserted bar 16, one side of the supporting plate 15 is provided with a longitudinal groove 17, the other side of the supporting plate 15 is fixedly connected with a convex block 18, the lateral longitudinal groove 17 of the supporting plate 15 is matched with the convex block 18 on the other side of the supporting plate 15, and the upper surface of one side of the supporting plate 15 and the upper surface of the convex block 18 are both provided with threaded holes.
The working principle is as follows: when using coal to dig and use tunnel bearing structure, through putting base 1 in the tunnel, and remove movable rod 12, make movable rod 12 remove through the slider 11 at top end both ends, through pulling kelly 8, make kelly 8 through 7 upset cards of pivot on fixture block 13, fixed movable rod 12, wave hand telescopic link 2 again, hand telescopic link 2 drives fixed plate 4 and rises, fixed plate 4 pushes up backup pad 15 through movable rod 12 and dead lever 5, and make backup pad 15 insert tunnel top soil layer through inserted bar 16, fixed tunnel, prevent to sink, thereby reach the effect that coal digs and use tunnel bearing structure has fixed tunnel.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a coal is excavated and is used tunnel bearing structure, includes base (1), its characterized in that: the upper surface of the base (1) is fixedly connected with a hand-operated telescopic rod (2), the top end of the hand-operated telescopic rod (2) is fixedly connected with a supporting plate (3), the upper surface of the supporting plate (3) is fixedly connected with a fixing plate (4), the upper surface of the fixing plate (4) is fixedly connected with a fixing rod (5), the side surface of the fixing rod (5) is provided with a containing groove (6), the inner wall of the containing groove (6) is fixedly connected with a rotating shaft (7), the side surface of the rotating shaft (7) is fixedly connected with a clamping rod (8), the upper surface of the clamping rod (8) is embedded with a magnet (9), the upper surface of the fixing plate (4) is provided with a sliding groove (10), the inner wall of the sliding groove (10) is slidably connected with a sliding block (11), the upper surface of the sliding block (11) is fixedly connected with a movable rod (12), the, the upper surface of the clamping block (13) is provided with a groove (14), the top end of the movable rod (12) is connected with a supporting plate (15) in a sliding mode, the upper surface of the supporting plate (15) is fixedly connected with an inserting rod (16), one side of the supporting plate (15) is provided with a longitudinal groove (17), and the other side of the supporting plate (15) is fixedly connected with a convex block (18).
2. The coal mining roadway support structure of claim 1, wherein: the base (1) is fixedly supported by the fixed plate (4) through the two hand-operated telescopic rods (2), and the handle is inserted into the front of each hand-operated telescopic rod (2).
3. The coal mining roadway support structure of claim 1, wherein: hand telescopic link (2) include ejector pin (201), circular slot (202) have been seted up to the upper surface of hand telescopic link (2), the inner wall sliding connection of circular slot (202) has ejector pin (201), and the side meshing of ejector pin (201) is connected with and rotates wheel (203), and the front round hole of rotating wheel (203) is pegged graft and is had the handle, the bottom side fixedly connected with locating lever (204) of ejector pin (201), and the inner wall bottom of circular slot (202) set up with locating lever (204) gliding groove from top to bottom.
4. The coal mining roadway support structure of claim 1, wherein: the bottom and the top of movable rod (12) have fixedly connected with slider (11), and the upper surface of fixed plate (4) and the lower surface of backup pad (15) all offer with slider (11) removal looks adaptation spout (10).
5. The coal mining roadway support structure of claim 1, wherein: the side longitudinal groove (17) of the support plate (15) is matched with the convex block (18) on the other side of the support plate (15), and threaded holes are formed in the upper surface of one side of the support plate (15) and the upper surface of the convex block (18).
6. The coal mining roadway support structure of claim 1, wherein: one end of the clamping rod (8) slides along the inner wall of the groove (14) on the upper surface of the clamping block (13), the clamping rod (8) is matched with the accommodating groove (6) on the side surface of the fixing rod (5) through the rotating shaft (7), and the inner side wall of the accommodating groove (6) is fixedly connected with a magnet (9) which is absorbed on the surface of the fixing rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450812.0U CN210422653U (en) | 2019-09-03 | 2019-09-03 | Tunnel bearing structure for coal excavation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450812.0U CN210422653U (en) | 2019-09-03 | 2019-09-03 | Tunnel bearing structure for coal excavation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210422653U true CN210422653U (en) | 2020-04-28 |
Family
ID=70365688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921450812.0U Expired - Fee Related CN210422653U (en) | 2019-09-03 | 2019-09-03 | Tunnel bearing structure for coal excavation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210422653U (en) |
-
2019
- 2019-09-03 CN CN201921450812.0U patent/CN210422653U/en not_active Expired - Fee Related
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| 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: 20200428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |