CN203531934U - Device for rapid excavation continuous supporting operation in coal mine tunnel - Google Patents
Device for rapid excavation continuous supporting operation in coal mine tunnel Download PDFInfo
- Publication number
- CN203531934U CN203531934U CN201320622880.7U CN201320622880U CN203531934U CN 203531934 U CN203531934 U CN 203531934U CN 201320622880 U CN201320622880 U CN 201320622880U CN 203531934 U CN203531934 U CN 203531934U
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- anchor
- cable
- anchor pole
- anchor rod
- anchor cable
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Abstract
The utility model relates to a device for rapid excavation continuous supporting operation in a coal mine tunnel. The problem that roadway excavation and supporting are conducted in a staggered mode so that the construction speed can not be fundamentally increased can be effectively solved. According to the technical scheme, an anchor cable supporting component is composed of an anchor cable, a lock and an anchor cable tray, a top anchor rod supporting component is composed of a W steel protecting plate, a top anchor rod tray and a top anchor rod, each side anchor rod supporting component is composed of a side anchor rod and a side anchor rod tray, an integrated excavator and a belt are connected and are placed in the tunnel, a net, the anchor cable supporting component and the top anchor rod supporting component are all arranged on a top plate of the tunnel, and the side anchor rod supporting components are arranged on coal walls on the two sides of the tunnel. The device for rapid excavation continuous supporting operation in the coal mine tunnel is simple in structure, lowers construction intensity, saves cost, is safe in construction, good in using effect, and is innovative on excavation and supporting devices.
Description
Technical field
The utility model relates to coal mining field, particularly the device of a kind of coal mine roadway speedy drivage continuous supporting operation.
Background technology
Driving is two key links of roadway construction with supporting, safety, fast, economic, tunnelling efficiently and supporting be to guarantee that colliery realizes highly efficient and productive prerequisite, is the decisive factor that realizes mine maximum economic benefit.Coal mine roadway construction technology all adopts " first dig afterwards and prop up " at present, driving carries out with supporting is staggered, and support material and technique also adopt Bolt-rope Supports more, first carry out bolt support, then implement anchor cable reinforcing, support time accounts for the more than 70% of roadway construction total time.Improve driving speed (combining pick or big gun pick), simplify support process, increase support material intensity and reduce support density and improved to a certain extent speed of application, but cannot fundamentally improve greatly the speed of roadway construction, reduce construction cost.Therefore the device of, developing a kind of coal mine roadway speedy drivage and continuous supporting operation be solve tunnel safety, economy, fast, the crucial difficult problem of efficient construction.
Summary of the invention
For above-mentioned situation, for solving the defect of prior art, the object of the utility model is just to provide the device of a kind of coal mine roadway speedy drivage continuous supporting operation, can effectively solve staggered the carrying out of tunnelling and supporting and problem that the speed of application that causes cannot improve at all.
The technical scheme that the utility model solves is, comprise cable bolting member, top bolt support member and side bolt support member, cable bolting member is by anchor cable, lockset and anchor cable pallet form, anchor cable head is equipped with lockset, anchor cable pallet is equipped with in lockset below on anchor cable, bolt support member in top is by W steel panel, top anchor rod pallet board and top anchor pole form, top rock bolt head is equipped with W steel panel, through top anchor pole, top anchor rod pallet board is housed on W steel panel, through top anchor pole, at top anchor rod pallet board head, be lined with top anchor pole ball pad, through top anchor pole, before the anchor pole ball pad of top, the top anchor nut being meshed with top anchor pole external screw thread is housed, side bolt support member is by helping anchor pole and side anchor rod pallet board to form, side rock bolt head is equipped with side anchor rod pallet board, through side anchor pole, at side anchor rod pallet board head, be lined with side anchor pole ball pad, through side anchor pole, before side anchor pole ball pad, be equipped with and the side anchor nut of helping anchor pole external screw thread to be meshed, fully-mechanized digging machine is connected and is placed in tunnel with belt, net, cable bolting member and top bolt support member are all arranged on back, side bolt support member is arranged on roadway's sides rib.
The utility model is simple in structure, has reduced construction intensity, cost-saving, construction safety, and result of use is good, is the innovation on driving and suspension device.
Accompanying drawing explanation
Fig. 1 is driving face sectional front view of the present utility model.
Fig. 2 is driving face upward view of the present utility model.
Fig. 3 is cable bolting element structure generalized section of the present utility model.
Fig. 4 is top bolt support element structure schematic diagram of the present utility model.
Fig. 5 is top bolt support member upward view of the present utility model.
Fig. 6 is side of the present utility model bolt support element structure schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.
By Fig. 1-6, provided, the utility model comprises cable bolting member, top bolt support member and side bolt support member, cable bolting member 1 is by anchor cable 16, lockset 18 and anchor cable pallet 17 form, anchor cable 16 heads are equipped with lockset 18, anchor cable pallet 17 is equipped with in lockset 18 belows on anchor cable 16, top bolt support member 3 is by W steel panel 11, top anchor rod pallet board 15 and top anchor pole 14 form, anchor pole 14 heads in top are equipped with W steel panel 11, through top anchor pole 14, top anchor rod pallet board 15 is housed on W steel panel 11, through top anchor pole 14, at top anchor rod pallet board 15 heads, be lined with top anchor pole ball pad 13, through top anchor pole 14, at top anchor pole ball pad 13, the top anchor nut 12 being meshed with top anchor pole 14 external screw threads is housed above, side bolt support member 4 consists of side anchor pole 10 and side anchor rod pallet board 21, side anchor pole 10 heads are equipped with side anchor rod pallet board 21, through side anchor pole, at side anchor rod pallet board 21 heads, be lined with side anchor pole ball pad 22, through side anchor pole, at side anchor pole ball pad 22, be equipped with and the side anchor nut 23 of helping anchor pole external screw thread to be meshed above, fully-mechanized digging machine 7 is connected and is placed in tunnel with belt 5, net 2, cable bolting member 1 and top bolt support member 3 are all arranged on back 9, side bolt support member 4 is arranged on roadway's sides rib 8.
In order to guarantee result of use, described anchor cable 16 afterbodys are equipped with stop grouting plug 19, in the through hole of anchor cable 16 sides through stop grouting plug 19, anchor cable pallet 17 1 sides, the Grouting Pipe 20 of stretching out are housed.
Described anchor cable pallet 17, top anchor rod pallet board 15 and side anchor rod pallet board 21 are butterfly.
Described anchor cable 16 length are 4.3～6.3m.
Described net 2 is selected dissimilar net according to the broken situation of back, selects plastic wire, selects wire lath while having fragmentation, selects when completely broken steel mesh reinforcement when back is complete.
Anchor cable 16 is the short anchor cable that intensity is higher, both be conducive to the diffusion of high pre-stress in anchorage zone, shortened again the time of anchor cable construction, control in time the new stability that discloses back, the size of anchor cable pallet 17 and intensity and anchor cable apply the requirement of pretightning force and the rupture strength of anchor cable adapts.
At back, have and adopt grouting cable anchor broken in the situation that, at former anchor cable afterbody, increase stop grouting plug, anchor cable pallet is arranged to a through hole, its implementation is to beat anchor cable hole, aperture reaming, installs respectively stop grouting plug 19, anchor cable pallet 17, lockset 18, from the through hole of anchor cable pallet one side, draws Grouting Pipe 20, apply high pretightning force, and slip casting.
Service condition of the present utility model is, (1) fully-mechanized digging machine 7 excavates after 1～2 row's anchor cable spacing of tunnel, back lapping 2, bore and play anchor cable in time, anchor cable pallet 17 and lockset 18 are installed, anchor cable arrangement is determined according to the condition of back rock stratum, before carrying out the circulation of next one driving, fully-mechanized digging machine 7 use anchorage cable stretching meter to apply high pretightning force, the size of pretightning force is 2/5～3/5 of anchor cable rupture strength, for meeting the requirement of the initial anchored force of anchor cable, resin anchoring agent requires to adopt soon and mixes and use at a slow speed; (2) fully-mechanized digging machine 7 enters the cycle operation of next driving, until driving face leaves behind enough safe spaces 6, in the region of elevating conveyor rear safety, back is bored to the anchor pole reinforcing of pinching, and use impact wrench to apply high pretightning force; (3), simultaneously to roadway's sides linked network, bore and beat side anchor pole, and apply high pretightning force; (4) spoil that fully-mechanized digging machine 7 excavates transports by elevating conveyor and the belt 5 of fully-mechanized digging machine.Boring the position play anchor cable is that back is stablized key position, according to the stability of back, adopts five figured cloths put or be arranged in parallel (while adopting five figured cloths to put, increasing by 1 anchor cable between two row's anchor cables).
Every driving 1～2 row's anchor cable is a cyclic advance, anchor cable array pitch is 2～3 row top anchor pole array pitch, the brill anchor pole of pinching can not worked continuously by the impact of fully-mechanized digging machine work at fully-mechanized digging machine 7 rears, side anchor pole and net 2 are constructed at anchor pole rear, top, tunnelling goes out cash also can dig for big gun, but the brill of top anchor pole and side anchor pole beat must be in safe space 6 rear carry out.While adopting big gun pick construction in tunnel, after blowing out, go out the construction operation simultaneously of cash and top anchor pole, also can bore blast hole drilling with anchor cable and work plane constructs simultaneously, make the operation of tunnel work plane reach the requirement of continuous construction, the utility model adopts anchor cable strongly to control in time the new top board disclosing after tunnelling, shorten the time of top board supporting in early stage, guaranteed the stability of top board.
The utility model is simple in structure, has reduced construction intensity, cost-saving, construction safety, and result of use is good, is the innovation on driving and suspension device, has good economic and social benefit.
Claims (4)
1. the device of coal mine roadway speedy drivage continuous supporting operation, comprise cable bolting member, top bolt support member and side bolt support member, it is characterized in that, cable bolting member (1) is by anchor cable (16), lockset (18) and anchor cable pallet (17) form, anchor cable (16) head is equipped with lockset (18), anchor cable pallet (17) is equipped with in lockset (18) below on anchor cable (16), top bolt support member (3) is by W steel panel (11), top anchor rod pallet board (15) and top anchor pole (14) form, top anchor pole (14) head is equipped with W steel panel (11), through top anchor pole (14), top anchor rod pallet board (15) is housed on W steel panel (11), through top anchor pole (14), at top anchor rod pallet board (15) head, be lined with top anchor pole ball pad (13), through top anchor pole (14), the top anchor nut (12) being meshed with top anchor pole (14) external screw thread is housed at top anchor pole ball pad (13) above, side bolt support member (4) consists of side anchor pole (10) and side anchor rod pallet board (21), side anchor pole (10) head is equipped with side anchor rod pallet board (21), through side anchor pole, at side anchor rod pallet board (21) head, be lined with side anchor pole ball pad (22), through side anchor pole, at side anchor pole ball pad (22), be equipped with above and the side anchor nut (23) of helping anchor pole external screw thread to be meshed, fully-mechanized digging machine (7) is connected and is placed in tunnel with belt (5), net (2), cable bolting member (1) and top bolt support member (3) are all arranged on back (9), side bolt support member (4) is arranged on roadway's sides rib (8).
2. the device of coal mine roadway speedy drivage continuous supporting according to claim 1 operation, it is characterized in that, described anchor cable (16) afterbody is equipped with stop grouting plug (19), in the through hole of anchor cable (16) side through stop grouting plug (19), anchor cable pallet (17) one sides, the Grouting Pipe (20) of stretching out is housed.
3. according to the device of coal mine roadway speedy drivage continuous supporting operation claim (1) Suo Shu, it is characterized in that, described anchor cable pallet (17), top anchor rod pallet board (15) are butterfly with side anchor rod pallet board (21).
4. the device of coal mine roadway speedy drivage continuous supporting according to claim 1 operation, is characterized in that, described anchor cable (16) length is 4.3～6.3m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320622880.7U CN203531934U (en) | 2013-10-10 | 2013-10-10 | Device for rapid excavation continuous supporting operation in coal mine tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320622880.7U CN203531934U (en) | 2013-10-10 | 2013-10-10 | Device for rapid excavation continuous supporting operation in coal mine tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203531934U true CN203531934U (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320622880.7U Expired - Fee Related CN203531934U (en) | 2013-10-10 | 2013-10-10 | Device for rapid excavation continuous supporting operation in coal mine tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203531934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763452A (en) * | 2015-04-20 | 2015-07-08 | 蒲长晏 | Transferring and anchor rod anchor cable supporting system |
-
2013
- 2013-10-10 CN CN201320622880.7U patent/CN203531934U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763452A (en) * | 2015-04-20 | 2015-07-08 | 蒲长晏 | Transferring and anchor rod anchor cable supporting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20161010 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |