CN202544886U - Self-moving type tunnel advance support bracket - Google Patents
Self-moving type tunnel advance support bracket Download PDFInfo
- Publication number
- CN202544886U CN202544886U CN2012200966808U CN201220096680U CN202544886U CN 202544886 U CN202544886 U CN 202544886U CN 2012200966808 U CN2012200966808 U CN 2012200966808U CN 201220096680 U CN201220096680 U CN 201220096680U CN 202544886 U CN202544886 U CN 202544886U
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- hinged
- jack
- connecting rod
- base
- back timber
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Abstract
The utility model relates to a self-moving type tunnel advance support bracket. The self-moving type tunnel advance support bracket consists of two groups of brackets on left and right sides, wherein each group of brackets comprises a front beam, a front top beam, a first upper connecting rod, a lower connecting rod, a front base, an insertion beam, a rear top beam, a rear beam, a telescopic beam, a second upper connecting rod, a front connecting rod, a rear connecting rod, a rear base, a trunnion, a supporting disk and a connecting head; and the two groups of brackets are hinged with each other through a bracket adjusting jack and the connecting head. The self-moving type tunnel advance support bracket is applicable to underground coal face two-tunnel advance support, compact in structure, reasonable in layout and convenient to disassemble, facilitates underground installation, disassembly and maintenance, and can be in accordance with the conditions of various top and bottom plates. Enough support space can be formed in tunnels, enough support strength can be realized in the tunnels, and the self-moving type tunnel advance support bracket can self-move along the propulsion of a working surface and is efficient and safe.
Description
Technical field
The utility model relates to a kind of automatic moving type tunnel advance support rack.
Background technology
Existing lame advanced supporting rack, its structure is bigger, and span is longer, and the top between side arm and the after-frame is telescopic hinge structure, and the roof pressure that can bear is limited, so only be applicable to top board and base plate operating mode good conditions.When big or pucking is serious when roof pressure, the formation bulge that is easier to be depressed, support is crushed to death probably and can't moves ahead when serious, and then influences the safety in tunnel and the production of work plane.
The utility model content
The technical problem that the utility model solved provides a kind of compact conformation, and is rationally distributed, and it is convenient to disintegrate, and installations of being convenient to go into the well, dismounting and keep in repair can be adapted to the automatic moving type tunnel advance support rack of all kinds of tops, base plate condition.
For solving above-mentioned technical problem, the technical scheme that the utility model is taked:
A kind of automatic moving type tunnel advance support rack; Its special character is: by about two pack supports constitute, every pack support comprises connecting rod on front-axle beam, the preceding back timber, first, lower link, preceding base, inserts beam, connecting rod, front rod, back link, rear base, gudgeon, supporting disk, connector on the back back timber, the back rest, extensible canopy, second, front-axle beam and both otic placode hinged with preceding back timber front end is connected through the front-axle beam jack; Insert beam casing among the casing of preceding top beam rear end and both otic placodes connect through inserting the beam jack; The rear end of inserting beam is hinged with the back back timber, and the rear end of back back timber and both otic placode hinged with the back rest is connected through back rest jack, preceding back timber and after the needling of back timber bottom become sphere to contact with the post bulb alive of four groups of columns respectively to be connected; The cylinder bottom bulb of four groups of columns is connected with the needling of preceding base, rear base respectively; Extensible canopy is placed in the rear end of the back rest and both otic placodes connect through the extensible canopy jack, and the upper end and the preceding back timber of connecting rod is hinged on first, and the upper end of lower end and lower link is hinged; The lower end of lower link and preceding base are hinged; The upper end of connecting rod is hinged with the back back timber on second, and the upper end of lower end and front rod, back link is hinged, and the lower end of front rod, back link is hinged with rear base respectively; Connect through moving the frame jack between preceding base and the rear base; The rear end of preceding front end of base and rear base is provided with rotatable gudgeon, and rotatable gudgeon is hinged with the cylinder bottom of transferring end jack, transfers the piston rod of end jack to be hinged with supporting disk; Hinged between two pack supports about described through accent frame jack and connector.
Above-mentioned front-axle beam, slotting beam and the back rest, preceding base, rear base, extensible canopy, preceding back timber and back back timber are box structure.
On above-mentioned first on connecting rod, the lower link, second connecting rod, front rod, back link be two power bars of box structure.
Compared with prior art, the utility model is applicable to down-hole coal excavation work plane two lane advance supports.Its compact conformation, rationally distributed, it is convenient to disintegrate, and the installation of being convenient to go into the well, dismounting and maintenance can be adapted to all kinds of tops, base plate condition.It can form enough support space and supporting intensity in the tunnel, can carry out along with the propelling of work plane again from moving, i.e. efficient safety again.
Description of drawings
Fig. 1 is the main TV structure sketch map of the utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the left view of Fig. 1.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is elaborated.
Referring to Fig. 1 ~ 3, the utility model by about two pack supports constitute, every pack support comprises connecting rod 3, lower link 4, preceding base 5 on the front-axle beam 1, preceding back timber 2, first, inserts beam 6, connecting rod 10, front rod 11, back link 12, rear base 13, gudgeon 14, supporting disk 15, connector 16 on the back back timber 7, the back rest 8, extensible canopy 9, second; Front-axle beam 1, slotting beam 6 and the back rest 8 are box structure, can swing up and down certain angle, and it has not only enlarged the Area of bearing of back timber to top board; And effectively adapt to the out-of-flatness property of top board, and front-axle beam 1 is hinged with preceding back timber 2 front ends, and the forward beam jack 17 of both otic placodes connects; Before inserting beam 8 and being placed among the casing of back timber 2 rear ends, both otic placodes lean on to be inserted beam jack 19 and connects, insert beam 8 again with after back timber 7 hinged; Back, back back timber 7 is hinged with the back rest 8 again, and both otic placodes lean on back rest jack 21 to connect, and preceding back timber 2 also is a box structure with back back timber 7; Wherein respectively be welded with 2 needlings, become sphere to contact with the post bulb alive of column 18, preceding back timber 2 is the main load bearing component of top board with back back timber 7; Its role is to slow down the subsidence velocity of top board and the integrality that guarantees to carry the section top board, extensible canopy 9 also is a box structure, and it is placed in the back rest 8; Both otic placodes lean on extensible canopy jack 22 to connect, and stretch out certain-length in the casing of extensible canopy 9 back rest 8, its role is to the temporary lining to operation cycle to empty top board; Connecting rod 10, front rod 11, back link 12 are two power bars of box structure on the connecting rod 3 on first, lower link 4, second, and connecting rod 3 upper ends and preceding back timber 2 are hinged on first, and the upper end of lower end and lower link 4 is hinged; The lower end of lower link 4 is hinged with preceding base 5 again, and connecting rod 10 upper ends are hinged with back back timber 7 on second, and the upper end of lower end and front rod 11, back link 12 is hinged; The lower end of front rod 11, back link 12 is hinged with rear base 13 again, and the quadric chain by back timber, connecting rod, base are formed can bear bigger horizontal force and lateral force; Make support have anti-twisting property, preceding base 5, rear base 13 also are box structure; Wherein respectively be welded with 2 needlings; Become sphere to contact with the cylinder bottom bulb of column 18, it is the load bearing component of entire bracket, and main effect is that the roof pressure that support bears is delivered to base plate; Connect by moving frame jack 20 between preceding base 5 and the rear base 13; Rotatable gudgeon 14 all is equipped with in the front end of preceding base 5 and the rear end of rear base 13, and gudgeon 14 is hinged with the cylinder bottom of transferring end jack 24, transfers the piston rod of end jack 24 to be hinged with supporting disk 15 again; About between 2 by transferring frame jack 23 and connector 16 hinged, can adapt to the displacement before and after the height between the support of the left and right sides.
Moving type lame advanced supporting rack be about two pack supports constitute one group of use, support each other, alternately walking, its whole frame process of moving can be divided into 4 job steps:
1.. left frame prosthomere is passed an operating distance, at first " falls " column " stretching " accent frame jack simultaneously, makes back timber leave the top board certain distance; " stretch " then and insert beam jack, passing jack " stretching " accent frame jack simultaneously; Prosthomere is moved into place, and then end jack is transferred in adjustment, makes prosthomere conform with the tunnel trend; " liter " column while " contracting " is transferred the frame jack at last, makes prosthomere roof supporting and stable.
2.. left frame deutomerite is drawn and is moved an operating distance, at first " falls " column " stretching " accent frame jack simultaneously, makes back timber leave the top board certain distance; " contract " then and insert beam jack, passing jack " stretching " accent frame jack simultaneously; Deutomerite is moved into place, and then end jack is transferred in adjustment, makes deutomerite conform with the tunnel trend; " liter " column contracts simultaneously and transfers the frame jack at last, makes deutomerite roof supporting and stable.
3.. right frame prosthomere is passed an operating distance, at first " falls " column " stretching " accent frame jack simultaneously, makes back timber leave the top board certain distance; " stretch " then and insert beam jack, passing jack " contracting " accent frame jack simultaneously; Prosthomere is moved into place, and then end jack is transferred in adjustment, makes prosthomere conform with the tunnel trend; " liter " column contracts simultaneously and transfers the frame jack at last, makes prosthomere roof supporting and stable.
4.. right frame deutomerite is drawn and is moved an operating distance, at first " falls " column " stretching " accent frame jack simultaneously, makes back timber leave the top board certain distance; " contract " then and insert beam jack, passing jack " contracting " accent frame jack simultaneously; Deutomerite is moved into place, and then end jack is transferred in adjustment, makes deutomerite conform with the tunnel trend; " liter " column contracts simultaneously and transfers the frame jack at last, makes deutomerite roof supporting and stable.
About move frame front and back orders can decide according to actual conditions, can be 1.-2.-3.-4. or 3.-4.-1.-2., also can be 1.-3.-2.-4. or 3.-1.-4.-2., also can be 1.-3.-4.-2. or 3.-1.-2.-4..
Claims (3)
1. automatic moving type tunnel advance support rack; It is characterized in that: by about two pack supports constitute; Every pack support comprises connecting rod (3), lower link (4) on front-axle beam (1), the preceding back timber (2), first; Connecting rod (10), front rod (11), back link (12), rear base (13), gudgeon (14), supporting disk (15), connector (16) on preceding base (5), slotting beam (6), back back timber (7), the back rest (8), the extensible canopy (9), second; Front-axle beam (1) and both otic placode hinged with preceding back timber (2) front end is connected through front-axle beam jack (17); Insert among the casing that beam (6) is placed in preceding back timber (2) rear end and both otic placodes connect through inserting beam jack (19); The rear end of inserting beam (6) is hinged with back back timber (7), and the rear end of back back timber (7) and both otic placode hinged with the back rest (8) is connected through back rest jack (21), preceding back timber (2) and after the needling of back timber (7) bottom become sphere to contact with the post bulb alive of four groups of columns (18) respectively to be connected; The cylinder bottom bulb of four groups of columns (18) is connected with the needling of preceding base (5), rear base (13) respectively; Extensible canopy (9) is placed in the rear end of the back rest (8) and both otic placodes connect through extensible canopy jack (22), and the upper end and the preceding back timber (2) of connecting rod (3) is hinged on first, and the upper end of lower end and lower link (4) is hinged; The lower end of lower link (4) and preceding base (5) are hinged; The upper end of connecting rod on second (10) is hinged with back back timber (7), and the upper end of lower end and front rod (11), back link (12) is hinged, and the lower end of front rod (11), back link (12) is hinged with rear base (13) respectively; Connect through moving frame jack (20) between preceding base (5) and the rear base (13); The front end of preceding base (5) and the rear end of rear base (13) are provided with rotatable gudgeon (14), and rotatable gudgeon (14) is hinged with the cylinder bottom of transferring end jack (24), transfer the piston rod of end jack (24) to be hinged with supporting disk (15); Hinged between two pack supports about described through accent frame jack (23) and connector (16).
2. a kind of automatic moving type tunnel advance support rack according to claim 1 is characterized in that: described front-axle beam (1), slotting beam (6) and the back rest (8), preceding base (5), rear base (13), extensible canopy (9), preceding back timber (2) and back back timber (7) are box structure.
3. a kind of automatic moving type tunnel advance support rack according to claim 1 is characterized in that: connecting rod (10), front rod (11), back link (12) are two power bars of box structure on connecting rod on described first (3), the lower link (4), second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200966808U CN202544886U (en) | 2012-03-15 | 2012-03-15 | Self-moving type tunnel advance support bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200966808U CN202544886U (en) | 2012-03-15 | 2012-03-15 | Self-moving type tunnel advance support bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202544886U true CN202544886U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200966808U Expired - Fee Related CN202544886U (en) | 2012-03-15 | 2012-03-15 | Self-moving type tunnel advance support bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202544886U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883337A (en) * | 2014-03-24 | 2014-06-25 | 神华集团有限责任公司 | Fan-shaped section supporting hydraulic support of fully-mechanized coal mining retracement working face |
| CN104100287A (en) * | 2013-04-15 | 2014-10-15 | 四川省煤炭产业集团有限责任公司 | Novel self-moving advanced supporting bracket for coal mining roadway |
| CN104131827A (en) * | 2014-07-18 | 2014-11-05 | 山西平阳重工机械有限责任公司 | Integral machine tunnel advance support hydraulic support frame |
| CN104675421A (en) * | 2013-11-29 | 2015-06-03 | 华亭煤业集团有限责任公司 | Multifunctional hydraulic support equipment |
| CN108756984A (en) * | 2018-07-03 | 2018-11-06 | 唐忠义 | Advance timbering and erosion control advance timbering system |
| CN109763854A (en) * | 2019-04-02 | 2019-05-17 | 辽宁鑫丰矿业（集团）有限公司 | Integrated construction method is installed by mobile temporary supporting device and expansion side |
-
2012
- 2012-03-15 CN CN2012200966808U patent/CN202544886U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100287A (en) * | 2013-04-15 | 2014-10-15 | 四川省煤炭产业集团有限责任公司 | Novel self-moving advanced supporting bracket for coal mining roadway |
| CN104675421A (en) * | 2013-11-29 | 2015-06-03 | 华亭煤业集团有限责任公司 | Multifunctional hydraulic support equipment |
| CN103883337A (en) * | 2014-03-24 | 2014-06-25 | 神华集团有限责任公司 | Fan-shaped section supporting hydraulic support of fully-mechanized coal mining retracement working face |
| CN104131827A (en) * | 2014-07-18 | 2014-11-05 | 山西平阳重工机械有限责任公司 | Integral machine tunnel advance support hydraulic support frame |
| CN108756984A (en) * | 2018-07-03 | 2018-11-06 | 唐忠义 | Advance timbering and erosion control advance timbering system |
| CN109763854A (en) * | 2019-04-02 | 2019-05-17 | 辽宁鑫丰矿业（集团）有限公司 | Integrated construction method is installed by mobile temporary supporting device and expansion side |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20130315 |