CN103306696A - Self-moving roadway advance support bracket - Google Patents
Self-moving roadway advance support bracket Download PDFInfo
- Publication number
- CN103306696A CN103306696A CN 201210067796 CN201210067796A CN103306696A CN 103306696 A CN103306696 A CN 103306696A CN 201210067796 CN201210067796 CN 201210067796 CN 201210067796 A CN201210067796 A CN 201210067796A CN 103306696 A CN103306696 A CN 103306696A
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- hinged
- jack
- back timber
- base
- connecting rod
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Abstract
The invention relates to a self-moving roadway advance support bracket, which is formed by a left group of supports and a right group of supports, each group of supports comprise front beams, front top beams, first upper connecting rods, lower connecting rods, front bases, insertion beams, rear top beams, rear beams, telescopic beams, second upper connecting rods, front connecting rods, rear connecting rods, rear bases, trunnions, support plates and connecting heads; the two groups of supports are hinged through a bracket-adjusting jack and the connecting heads. The self-moving roadway advance support bracket is suitable for two laneways of advance support for an underground coal mining working face, is compact in structure, reasonable in layout, convenient to disintegrate, convenient to install, dismount and maintain underground, and can be suitable for various conditions of top plates and base plates. Not only can the self-moving roadway advance support bracket form enough support space and support strength in the roadway, but also can self move along with the propelling of the working face, so that the self-moving roadway advance support bracket is efficient and safe.
Description
Technical field
The present invention relates to a kind of automatic moving type tunnel advance support rack.
Background technology
Existing lame advanced supporting rack, its structure is larger, 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 be only applicable to preferably condition of top board and base plate operating mode.When large or pucking is serious when roof pressure, the formation bulge that is easier to be depressed, support probably is crushed to death and can't moves ahead when serious, and then affects the safety in tunnel and the production of work plane.
Summary of the invention
Technical problem solved by the invention provides a kind of compact conformation, and is rationally distributed, disintegrates convenient, 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 present invention takes:
A kind of automatic moving type tunnel advance support rack, its special character is: by about two pack supports consist of, every pack support comprises front-axle beam, front back timber, connecting rod on first, lower link, front base, insert beam, rear back timber, the back rest, extensible canopy, connecting rod on second, front rod, back link, rear base, gudgeon, supporting disk, connector, front-axle beam and both otic placode hinged with front back timber front end is connected by the front-axle beam jack, insert beam casing among the casing of front top beam rear end and both otic placodes connect by inserting the beam jack, rear end and the rear back timber of inserting beam are hinged, the rear end of rear back timber and both otic placode hinged with the back rest is connected by back rest jack, front back timber be connected the needling of back timber bottom and become sphere-contact to be connected with the post bulb alive of four groups of columns respectively, the cylinder bottom bulb of four groups of columns respectively with front base, the needling of rear base connects, extensible canopy is placed in the rear end of the back rest and both otic placodes connect by the extensible canopy jack, the upper end of connecting rod and front back timber are hinged on first, the upper end of lower end and lower link is hinged, the lower end of lower link and front base are hinged, the upper end of connecting rod and rear back timber are hinged on second, lower end and front rod, the upper end of back link is hinged, front rod, the lower end of back link is hinged with rear base respectively, connect by moving the frame jack between front base and the rear base, the front end of front base and the rear end of rear base are provided with rotatable gudgeon, 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 by accent frame jack and connector between two pack supports about described.
Above-mentioned front-axle beam, slotting beam and the back rest, front base, rear base, extensible canopy, front back timber and rear 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 present invention is applicable to down-hole coal excavation work plane two lane advance supports.Its compact conformation, rationally distributed, to disintegrate convenient, 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 main TV structure schematic diagram of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the left view of Fig. 1.
The specific embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1 ~ 3, the present invention by about two pack supports consist of, every pack support comprises front-axle beam 1, front back timber 2, connecting rod 3 on first, lower link 4, front base 5, insert beam 6, rear back timber 7, the back rest 8, extensible canopy 9, connecting rod 10 on second, front rod 11, back link 12, rear base 13, gudgeon 14, supporting disk 15, connector 16, front-axle beam 1, inserting beam 6 and the back rest 8 is box structure, can swing up and down certain angle, it has not only enlarged the Area of bearing of back timber to top board, and effectively adapt to the out-of-flatness of top board, front-axle beam 1 is hinged with front back timber 2 front ends, the forward beam jack 17 of both otic placodes connects, inserting beam 8 is placed among the casing of front back timber 2 rear ends, both otic placodes connect by inserting beam jack 19, insert beam 8 hinged with rear back timber 7 again, rear back timber 7 is hinged with the back rest 8 again, both otic placodes connect by back rest jack 21, front back timber 2 and rear back timber 7 also are box structure, wherein respectively be welded with 2 needlings, become sphere-contact with the post bulb alive of column 18, front back timber 2 and rear back timber 7 are the main load bearing component of top board, the integrality that its role is to slow down the subsidence velocity of top board and guarantee carrying section top board, extensible canopy 9 also is box structure, it is placed in the back rest 8, both otic placodes connect by extensible canopy jack 22, stretch out certain-length in the casing of extensible canopy 9 back rest 8, its role is to the temporary lining of operation cycle to empty top board, connecting rod 3 on first, lower link 4, connecting rod 10 on second, front rod 11, back link 12 is two power bars of box structure, connecting rod 3 upper ends and front back timber 2 are hinged on first, the upper end of lower end and lower link 4 is hinged, the lower end of lower link 4 is hinged with front base 5 again, connecting rod 10 upper ends and rear back timber 7 are hinged on second, lower end and front rod 11, the upper end of back link 12 is hinged, front rod 11, the lower end of back link 12 is hinged with rear base 13 again, by back timber, connecting rod, the quadric chain that base forms, can bear larger horizontal force and lateral force, make support have anti-twisting property, front base 5, rear base 13 also is box structure, wherein respectively be welded with 2 needlings, become sphere-contact with the cylinder bottom bulb of column 18, it is the load bearing component of whole support, Main Function is that the roof pressure that support bears is delivered to base plate, connect by moving frame jack 20 between front base 5 and the rear base 13, rotatable gudgeon 14 all is equipped with in the rear end of the front end of front base 5 and rear base 13, 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 again supporting disk 15, 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 consist of one group of use, support each other, alternately walking, its whole frame process of moving can be divided into 4 job steps:
1.. left prosthomere passed an operating distance, simultaneously " stretching " accent frame jack of column at first " falls ", make back timber leave the top board certain distance, then " stretch " and insert simultaneously " stretching " accent frame jack of beam jack, advancing jack, prosthomere is moved into place, then adjust end jack, make 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 deutomerite drawn and moved an operating distance, simultaneously " stretching " accent frame jack of column at first " falls ", make back timber leave the top board certain distance, then " contracting " slotting beam jack, advancing jack while " stretching " are transferred the frame jack, deutomerite is moved into place, then adjust end jack, make 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 prosthomere passed an operating distance, simultaneously " stretching " accent frame jack of column at first " falls ", make back timber leave the top board certain distance, then " stretch " and insert simultaneously " contracting " accent frame jack of beam jack, advancing jack, prosthomere is moved into place, then adjust end jack, make 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 deutomerite drawn and moved an operating distance, simultaneously " stretching " accent frame jack of column at first " falls ", make back timber leave the top board certain distance, then " contracting " slotting beam jack, advancing jack while " contracting " are transferred the frame jack, deutomerite is moved into place, then adjust end jack, make 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 consist of, every pack support comprises front-axle beam (1), front back timber (2), connecting rod on first (3), lower link (4), front base (5), insert beam (6), rear back timber (7), the back rest (8), extensible canopy (9), connecting rod on second (10), front rod (11), back link (12), rear base (13), gudgeon (14), supporting disk (15), connector (16), front-axle beam (1) and both otic placode hinged with front back timber (2) front end is connected by front-axle beam jack (17), insert among the casing that beam (6) is placed in front back timber (2) rear end and both otic placodes connect by inserting beam jack (19), rear end and the rear back timber (7) of inserting beam (6) are hinged, the rear end of rear back timber (7) and both otic placode hinged with the back rest (8) is connected by back rest jack (21), front back timber (2) be connected the needling of back timber (7) bottom and become sphere-contact to be connected with the post bulb alive of four groups of columns (18) respectively, the cylinder bottom bulb of four groups of columns (18) respectively with front base (5), the needling of rear base (13) connects, extensible canopy (9) is placed in the rear end of the back rest (8) and both otic placodes connect by extensible canopy jack (22), the upper end of connecting rod on first (3) and front back timber (2) are hinged, the upper end of lower end and lower link (4) is hinged, the lower end of lower link (4) and front base (5) are hinged, the upper end of connecting rod on second (10) and rear back timber (7) are hinged, lower end and front rod (11), the upper end of back link (12) is hinged, front rod (11), the lower end of back link (12) is hinged with rear base (13) respectively, connect by moving frame jack (20) between front base (5) and the rear base (13), the rear end of the front end of front base (5) and rear base (13) is provided with rotatable gudgeon (14), rotatable 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); Hinged by accent frame jack (23) and connector (16) between two pack supports about described.
2. automatic moving type tunnel advance support rack according to claim 1 is characterized in that: described front-axle beam (1), insert beam (6) and the back rest (8), front base (5), rear base (13), extensible canopy (9), front back timber (2) and rear back timber (7) are box structure.
3. automatic moving type tunnel advance support rack according to claim 1, it 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 |
|---|---|---|---|
| CN 201210067796 CN103306696A (en) | 2012-03-15 | 2012-03-15 | Self-moving roadway advance support bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210067796 CN103306696A (en) | 2012-03-15 | 2012-03-15 | Self-moving roadway advance support bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103306696A true CN103306696A (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210067796 Pending CN103306696A (en) | 2012-03-15 | 2012-03-15 | Self-moving roadway advance support bracket |
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| CN (1) | CN103306696A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481566A (en) * | 2014-09-18 | 2015-04-01 | 中国煤炭科工集团太原研究院有限公司 | Fully-mechanized excavation face automatic anchoring and sliding rail type walking temporary support |
| CN105545335A (en) * | 2016-03-07 | 2016-05-04 | 山东科技大学 | Support-shield-type cross-slip temporary support bracket and support method thereof |
| CN108100657A (en) * | 2018-01-09 | 2018-06-01 | 佛山科学技术学院 | A kind of universal clipping device |
| 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 |
| CN109915191A (en) * | 2019-04-19 | 2019-06-21 | 安徽省矿业机电装备有限责任公司 | A kind of excavation support range-adjustable translation structure and application method |
| CN110219688A (en) * | 2019-05-24 | 2019-09-10 | 浙江大学山东工业技术研究院 | Tiltable top beam low caving coal end hydraulic support |
-
2012
- 2012-03-15 CN CN 201210067796 patent/CN103306696A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481566A (en) * | 2014-09-18 | 2015-04-01 | 中国煤炭科工集团太原研究院有限公司 | Fully-mechanized excavation face automatic anchoring and sliding rail type walking temporary support |
| CN104481566B (en) * | 2014-09-18 | 2017-05-17 | 中国煤炭科工集团太原研究院有限公司 | Fully-mechanized excavation face automatic anchoring and sliding rail type walking temporary support |
| CN105545335A (en) * | 2016-03-07 | 2016-05-04 | 山东科技大学 | Support-shield-type cross-slip temporary support bracket and support method thereof |
| CN105545335B (en) * | 2016-03-07 | 2017-12-26 | 山东科技大学 | Support shield type staggeredly slides temporary shoring bracket and its method for protecting support |
| CN108100657A (en) * | 2018-01-09 | 2018-06-01 | 佛山科学技术学院 | A kind of universal clipping device |
| 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 |
| CN109915191A (en) * | 2019-04-19 | 2019-06-21 | 安徽省矿业机电装备有限责任公司 | A kind of excavation support range-adjustable translation structure and application method |
| CN109915191B (en) * | 2019-04-19 | 2024-02-23 | 安徽省矿业机电装备有限责任公司 | Roadway support stroke-adjustable translation structure and use method thereof |
| CN110219688A (en) * | 2019-05-24 | 2019-09-10 | 浙江大学山东工业技术研究院 | Tiltable top beam low caving coal end hydraulic support |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130918 |