CN101852085A - Bracket special for safety exit of coal face - Google Patents
Bracket special for safety exit of coal face Download PDFInfo
- Publication number
- CN101852085A CN101852085A CN 201010190843 CN201010190843A CN101852085A CN 101852085 A CN101852085 A CN 101852085A CN 201010190843 CN201010190843 CN 201010190843 CN 201010190843 A CN201010190843 A CN 201010190843A CN 101852085 A CN101852085 A CN 101852085A
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- crossbeam
- oil cylinder
- load
- girder
- bearing side
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Abstract
The invention discloses a bracket special for a safety exit of a coal face, belonging to the technical field of coal mine support equipment. The bracket comprises a bearing side beam, a middle beam, a hydraulic bearing column and a base, wherein a plurality of crossbeam boxes are fixed at the lower part of the middle beam, two crossbeams in opposite directions are installed in the crossbeam boxes in juxtaposition, one end of the crossbeam is slidably connected with the crossbeam boxes, and the other end is fixed on the bearing side beam; a width-adjusting oil cylinder is installed in the crossbeam; the bearing side beam is provided with an upper chute, the lower part of the base is provided with a lower chute; a movable top beam is installed in the upper chute and is internally provided with an upper traveling cylinder; the lower part of the movable top beam is connected with an auxiliary hydraulic column, the auxiliary hydraulic column is connected with a movable base beam arranged in the lower chute, and the movable base beam is internally provided with a lower traveling cylinder. The invention has adjustable total width, strong adaptability, convenient operation, safety and stability, can travel by self-shift in the support state, is manufactured easily and saves cost.
Description
Technical field
The present invention relates to a kind of coal mine support apparatus, be specifically related to a kind of coal-face twice emergency exit specific hydraulic support, belong to the coal mine equipment technical field.
Background technology
Known coal-face twice emergency exit support apparatus generally adopts hydraulic pressure monomer and articulated roof beam or the supporting of lace girder steel at present.Its supporting intensity is relatively poor, the supporting quality instability, and in the coal-face progradation, it is big to exist the support work amount, high material consumption, the shortcomings such as many, poor stability that expend time in are seriously restricting the safety in production in colliery.Especially mechanization degree is more and more higher in current coal winning technology, and the support work of twice emergency exit becomes the bottleneck of a restriction production benefit and safety benefit more.As coal-face twice emergency exit support apparatus, preferably can satisfy smaller as far as possible, the supporting width bigger requirement of will trying one's best in use of volume in transit.Though also some explorations have been done in some place, owing to there is not special technology, make the emergency exit support of trial-production or repacking still have problems such as bulky, overweight, bad adaptability, can not have to reach above-mentioned instructions for use.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art part, the invention provides a kind of bracket special for safety exit of coal face, overall width of the present invention can be regulated, can reach volume in transit smaller as far as possible, use in the bigger actual requirement of will trying one's best of supporting width.
The present invention is achieved through the following technical solutions: a kind of bracket special for safety exit of coal face, it comprises superposed spandrel girder and is positioned at the base of bottom, be connected with the hydraulic pressure bearing column between spandrel girder and the base, described spandrel girder comprises two load-bearing side bars that are positioned at side, between the two load-bearing side bars middle girder is arranged; The bottom of described middle girder is fixed with a plurality of crossbeam casees, is installed with two crossbeams that direction is opposite in the crossbeam case side by side, between two crossbeams dividing plate is arranged, and an end and the crossbeam case of crossbeam are slidingly connected, and the other end is fixed on the load-bearing side bar; In two crossbeam casees at middle girder middle part, the width adjusting oil cylinder is housed in the crossbeam, the cylinder body of width adjusting oil cylinder is fixed in the crossbeam, and the piston rod end of width adjusting oil cylinder is fixed in the crossbeam case; The load-bearing side bar bottom of every side is connected with two hydraulic pressure bearing columns, and the lower end of hydraulic pressure bearing column connects base.
Upper hopper chute is arranged at the load-bearing side bar top of described every side, upper plenum is arranged below the stage casing of upper hopper chute; Gliding groove is arranged at described base bottom, and following cavity is arranged above the stage casing of gliding groove; In the described upper hopper chute movable roof is arranged, movable roof is the groove body of lower aperture, and the up oil cylinder of walking is arranged in the movable roof, and the up cylinder body of walking oil cylinder is hinged in the movable roof, and the up piston rod end of walking oil cylinder is hinged on the load-bearing side bar; Described movable roof bottom is connected with the auxiliary hydraulic pressure column, the auxiliary hydraulic pressure column passes upper plenum and following cavity is connected with movable bottom girder, movable bottom girder is in gliding groove, movable bottom girder is the groove body of top opening, the descending oil cylinder of walking is arranged in the movable bottom girder, the descending cylinder body of walking oil cylinder is hinged in the movable bottom girder, and the descending piston rod end of walking oil cylinder is hinged on the base.
The two ends of described two load-bearing side bars and middle girder are hinged with caving shield, and caving shield is hinged with the shielding plate; Be connected with the caving shield oil cylinder between load-bearing side bar and the caving shield, be connected with shielding leaf fat cylinder between caving shield and the shielding plate.
Be connected with caving shield between the rear portion of described base and the caving shield and strengthen oil cylinder.
There is pin-and-hole at the two ends of described load-bearing side bar and middle girder.
On the described crossbeam case alignment pin is arranged.
The invention has the beneficial effects as follows: utilize crossbeam case, crossbeam and width adjusting oil cylinder on the middle girder, can be in the transportation installation process, make support be retracted to minimum width, and when the needs supporting, make support be stretched over maximum supporting width, thereby there is very strong compliance in the tunnel to different in width, and easy to operate, safety and stability; Utilize hydraulic pressure bearing column and auxiliary hydraulic pressure column alternately carrying and unloading, walk the stretching motion of oil cylinder, can realize dividing a word with a hyphen at the end of a line away certainly under the supporting state by uplink and downlink; Can use separately, also can use in groups, be applicable to the coal-face twice emergency exit of different geological conditionss, be particluarly suitable for tunnel design width and be no more than 4 meters general and adopt, combine and adopt, apply in the fully mechanized coal face; Manufacturing can be adopted common welding and hydraulic technique etc., and simple, the manufacturing easily of technology is convenient to produce in enormous quantities; Can save material in a large number, save time, save human and material resources, improve the safety of coal-face emergency exit.
Description of drawings
The present invention is further described with embodiment with reference to the accompanying drawings below.
Fig. 1 is a front view of the present invention;
Fig. 2 is the vertical view of Fig. 1.
Among the figure, 1, the load-bearing side bar, 1-1, upper hopper chute, 1-2, upper plenum, 2, movable roof, 2-1, the up oil cylinder of walking, 3, crossbeam case, 3-1, alignment pin, 4, crossbeam, 4-1, width adjusting oil cylinder, 5, the hydraulic pressure bearing column, 6, base, 6-1, gliding groove, 6-2, following cavity, 7, movable bottom girder, 7-1, the descending oil cylinder of walking, 8, auxiliary hydraulic pressure column, 9, caving shield is strengthened oil cylinder, and 10, the shielding plate, 10-1, shielding leaf fat cylinder, 11, caving shield, 11-1, caving shield oil cylinder, 12, middle girder, 13, pin-and-hole.
The specific embodiment
The present invention is further described below in conjunction with embodiment.
A kind of bracket special for safety exit of coal face as shown in Figure 1 and Figure 2, it comprises superposed spandrel girder and is positioned at the base of bottom, be connected with the hydraulic pressure bearing column between spandrel girder and the base, described spandrel girder comprises between two load-bearing side bar 1, two load-bearing side bars 1 that are positioned at side middle girder 13; Be welded with four crossbeam casees 3 in the bottom of middle girder 13, be installed with the crossbeam 4 that two directions are opposite, be crisscross arranged in the crossbeam case 3 side by side, crossbeam can adopt back section steel beam, between two crossbeams dividing plate is arranged, one end and the crossbeam case of crossbeam are slidingly connected, and the other end is fixed on the load-bearing side bar 1; In two crossbeam casees 3 at middle girder 13 middle parts, width adjusting oil cylinder 4-1 is housed in the crossbeam 4, the cylinder body of width adjusting oil cylinder is fixed in the crossbeam 4, the piston rod end of width adjusting oil cylinder 4-1 is fixed in the crossbeam case 3, utilize the hydraulic pressure strength of width adjusting oil cylinder 4-1 to strut and shrink the load-bearing side bar 1 on both sides, to reach the purpose of regulating width; Load-bearing side bar 1 bottom of every side is connected with two hydraulic pressure bearing columns 5, and the lower end of hydraulic pressure bearing column connects base 6.
Load-bearing side bar 1 top in every side is manufactured with upper hopper chute 1-1, upper plenum 1-2 is arranged below the stage casing of upper hopper chute; Gliding groove 6-1 is arranged at base 6 bottoms in every side, and following cavity 6-2 is arranged above the stage casing of gliding groove; In the described upper hopper chute 1-1 movable roof 2 is arranged, movable roof is the groove body of lower aperture, the up oil cylinder 2-1 of walking is arranged in the movable roof 2, and the up cylinder body of walking oil cylinder 2-1 is hinged in the movable roof 2, and the up piston rod end of walking oil cylinder is hinged on the load-bearing side bar 1; Described movable roof 2 bottoms are connected with auxiliary hydraulic pressure column 8, auxiliary hydraulic pressure column 8 passes upper plenum 1-2 and following cavity 6-2 is connected with movable bottom girder 7, movable bottom girder is in gliding groove 6-1, movable bottom girder is the groove body of top opening, in the movable bottom girder 7 the descending oil cylinder 7-1 of walking is arranged, the descending cylinder body of walking oil cylinder 7-1 is hinged in the movable bottom girder 7, and the descending piston rod end of walking oil cylinder is hinged on the base 6.
The hinged caving shield 11 that is equipped with at the two ends of two load-bearing side bars 1 and middle girder 13, caving shield are hinged with shielding plate 10; Be connected with caving shield oil cylinder 11-1 between load-bearing side bar 1 and the caving shield 11, be connected with shielding leaf fat cylinder 10-1 between caving shield 11 and the shielding plate 10.
Between the rear portion of base 6 and caving shield 11, be connected with caving shield and strengthen oil cylinder 9.
There is pin-and-hole 13 at the two ends of described load-bearing side bar 1 and middle girder 12.In order to reach the leakproofness that top board is screened, can lay steel plate on support top, steel plate is connected with middle girder 12 with load-bearing side bar 1 with pin-and-hole 13 by pin.
Alignment pin 3-1 is arranged on crossbeam case 3.
The course of work of the present invention: under non-supporting states such as transportation, width adjusting oil cylinder 4-1 is shunk, in the crossbeam 4 income crossbeam casees 3, shorten the distance between two load-bearing side bars 1 and the middle girder 13, be convenient to transportation, crossbeam case 3 can be taken in the load-bearing side bar 1 during extreme position, and load-bearing side bar 1 and middle girder 13 are adjacent to.
When needing supporting, under idling,, enlarge the distance between two load-bearing side bars 1 and the middle girder 13 by the stretching, extension of width adjusting oil cylinder 4-1, reach set width after, it is fixing to add stiff stability to insert alignment pin 3-1 on crossbeam case 3 and crossbeam 4.Then, hydraulic pressure bearing column 5 and auxiliary hydraulic pressure column 8 rise simultaneously up to connecing real top board, play support action.
Needing in the duty when mobile, is to utilize hydraulic pressure bearing column 5 and alternately carrying and unloading of auxiliary hydraulic pressure column 8, walks oil cylinder by uplink and downlink and passes entire bracket and move.After hydraulic pressure bearing column 5 supports load-bearing side bar 1 and middle girder 12 carrying roof pressures, auxiliary hydraulic pressure column 8 shrinks, movable roof 2 moves down unloading, when movable roof 2 drops to upper hopper chute 1-1 bottom, auxiliary hydraulic pressure column 8 pull-up activity bottom girders 7 break away from the bottom surface, up then oil cylinder 2-1 of walking and the descending oil cylinder 7-1 that walks shrink simultaneously, make movable roof 2 and movable bottom girder 7 drive auxiliary hydraulic pressure columns 8 and slide forward.After uplink and downlink are walked the oil cylinder stroke and are used up, auxiliary hydraulic pressure column 8 stretches up and down, promote movable roof 2 and movable bottom girder 7 and connect reality with top board and bottom surface, at this moment, auxiliary hydraulic pressure column 8 carrying roof pressures, hydraulic pressure bearing column 5 shrinks, unloading, drive load-bearing side bar 1, middle girder 12 and base 6 unloadings, then, up oil cylinder 2-1 of walking and the descending oil cylinder 7-1 piston rod of walking are released, promote load-bearing side bar 1, middle girder 12 and base 6 integral body and move forward, after uplink and downlink are walked the oil cylinder stroke and used up, finish a working cycles.
Claims (7)
1. bracket special for safety exit of coal face, it comprises superposed spandrel girder and is positioned at the base of bottom, be connected with the hydraulic pressure bearing column between spandrel girder and the base, it is characterized in that: described spandrel girder comprises two load-bearing side bars (1) that are positioned at side, between the two load-bearing side bars (1) middle girder (13) is arranged; The bottom of described middle girder (13) is fixed with a plurality of crossbeam casees (3), be installed with two crossbeams (4) that direction is opposite in the crossbeam case (3) side by side, between two crossbeams dividing plate is arranged, an end and the crossbeam case of crossbeam are slidingly connected, and the other end is fixed on the load-bearing side bar (1); In two crossbeam casees (3) at middle girder (13) middle part, width adjusting oil cylinder (4-1) is housed in the crossbeam (4), the cylinder body of width adjusting oil cylinder is fixed in the crossbeam (4), and the piston rod end of width adjusting oil cylinder (4-1) is fixed in the crossbeam case (3); Load-bearing side bar (1) bottom of every side is connected with two hydraulic pressure bearing columns (5), and the lower end of hydraulic pressure bearing column connects base (6).
2. bracket special for safety exit of coal face according to claim 1 is characterized in that: upper hopper chute (1-1) is arranged at load-bearing side bar (1) top of described every side, upper plenum (1-2) is arranged below the stage casing of upper hopper chute; Gliding groove (6-1) is arranged at described base (6) bottom, and following cavity (6-2) is arranged above the stage casing of gliding groove; Movable roof (2) is arranged in the described upper hopper chute (1-1), movable roof is the groove body of lower aperture, the up oil cylinder (2-1) of walking is arranged in the movable roof (2), the up cylinder body of walking oil cylinder (2-1) is hinged in the movable roof (2), and the up piston rod end of walking oil cylinder is hinged on the load-bearing side bar (1); Described movable roof (2) bottom is connected with auxiliary hydraulic pressure column (8), auxiliary hydraulic pressure column (8) passes upper plenum (1-2) and following cavity (6-2) is connected with movable bottom girder (7), movable bottom girder is in gliding groove (6-1), movable bottom girder is the groove body of top opening, the descending oil cylinder (7-1) of walking is arranged in the movable bottom girder (7), the descending cylinder body of walking oil cylinder (7-1) is hinged in the movable bottom girder (7), and the descending piston rod end of walking oil cylinder is hinged on the base (6).
3. bracket special for safety exit of coal face according to claim 1 and 2 is characterized in that: the two ends of described two load-bearing side bars (1) and middle girder (13) are hinged with caving shield (11), and caving shield is hinged with shielding plate (10); Be connected with caving shield oil cylinder (11-1) between load-bearing side bar (1) and the caving shield (11), be connected with shielding leaf fat cylinder (10-1) between caving shield (11) and the shielding plate (10).
4. bracket special for safety exit of coal face according to claim 3 is characterized in that: be connected with caving shield between the rear portion of described base (6) and the caving shield (11) and strengthen oil cylinder (9).
5. bracket special for safety exit of coal face according to claim 1 and 2 is characterized in that: there is pin-and-hole (13) at the two ends of described load-bearing side bar (1) and middle girder (12).
6. bracket special for safety exit of coal face according to claim 3 is characterized in that: there is pin-and-hole (13) at the two ends of described load-bearing side bar (1) and middle girder (12).
7. bracket special for safety exit of coal face according to claim 1 and 2 is characterized in that: alignment pin (3-1) is arranged on the described crossbeam case (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101908434A CN101852085B (en) | 2010-05-27 | 2010-05-27 | Bracket special for safety exit of coal face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101908434A CN101852085B (en) | 2010-05-27 | 2010-05-27 | Bracket special for safety exit of coal face |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101852085A true CN101852085A (en) | 2010-10-06 |
| CN101852085B CN101852085B (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101908434A Expired - Fee Related CN101852085B (en) | 2010-05-27 | 2010-05-27 | Bracket special for safety exit of coal face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101852085B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155245A (en) * | 2011-04-01 | 2011-08-17 | 中煤北京煤矿机械有限责任公司 | Integral ejecting beam hydraulic bracket comprising telescopic beam |
| CN105927257A (en) * | 2016-06-28 | 2016-09-07 | 贵州盘江矿山机械有限公司 | Hydraulic support lengthened top beam auxiliary support device and operation method thereof |
| CN109653783A (en) * | 2018-12-28 | 2019-04-19 | 刘志伟 | A kind of mine hole arrangement holding device |
| CN110080811A (en) * | 2019-06-13 | 2019-08-02 | 河南理工大学 | A kind of advance support rack and application method of adjustable rapid integrated mechanical drivage |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1198507A (en) * | 1966-11-16 | 1970-07-15 | Karl Maria Groetschel | Improvements relating to Roof Supports for Mine Wokings |
| SU776146A1 (en) * | 1976-05-12 | 1983-10-30 | Шахтинский научно-исследовательский и проектно-конструкторский угольный институт им.А.М.Терпигорева | Mining roof support system |
| CN1616796A (en) * | 2004-12-06 | 2005-05-18 | 煤炭科学研究总院太原分院 | Suspending movable hydraulic support rack for advanced support in coal cutting roadway |
| CN1786419A (en) * | 2004-12-10 | 2006-06-14 | 兖州煤业股份有限公司 | Hydraulic supporter for end of widening working face |
| CN2830642Y (en) * | 2005-08-31 | 2006-10-25 | 于宪光 | Rail sequential groove forward horizontal telescopic hydraulic prop supporting system of coal working face |
| CN201671648U (en) * | 2010-05-27 | 2010-12-15 | 周超 | Bracket special for safety exit of coal face |
-
2010
- 2010-05-27 CN CN2010101908434A patent/CN101852085B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1198507A (en) * | 1966-11-16 | 1970-07-15 | Karl Maria Groetschel | Improvements relating to Roof Supports for Mine Wokings |
| SU776146A1 (en) * | 1976-05-12 | 1983-10-30 | Шахтинский научно-исследовательский и проектно-конструкторский угольный институт им.А.М.Терпигорева | Mining roof support system |
| CN1616796A (en) * | 2004-12-06 | 2005-05-18 | 煤炭科学研究总院太原分院 | Suspending movable hydraulic support rack for advanced support in coal cutting roadway |
| CN1786419A (en) * | 2004-12-10 | 2006-06-14 | 兖州煤业股份有限公司 | Hydraulic supporter for end of widening working face |
| CN2830642Y (en) * | 2005-08-31 | 2006-10-25 | 于宪光 | Rail sequential groove forward horizontal telescopic hydraulic prop supporting system of coal working face |
| CN201671648U (en) * | 2010-05-27 | 2010-12-15 | 周超 | Bracket special for safety exit of coal face |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155245A (en) * | 2011-04-01 | 2011-08-17 | 中煤北京煤矿机械有限责任公司 | Integral ejecting beam hydraulic bracket comprising telescopic beam |
| CN102155245B (en) * | 2011-04-01 | 2012-10-17 | 中煤北京煤矿机械有限责任公司 | Integral ejecting beam hydraulic bracket comprising telescopic beam |
| CN105927257A (en) * | 2016-06-28 | 2016-09-07 | 贵州盘江矿山机械有限公司 | Hydraulic support lengthened top beam auxiliary support device and operation method thereof |
| CN109653783A (en) * | 2018-12-28 | 2019-04-19 | 刘志伟 | A kind of mine hole arrangement holding device |
| CN110080811A (en) * | 2019-06-13 | 2019-08-02 | 河南理工大学 | A kind of advance support rack and application method of adjustable rapid integrated mechanical drivage |
| CN110080811B (en) * | 2019-06-13 | 2020-12-01 | 河南理工大学 | Adjustable type advanced support bracket for rapid comprehensive mechanized excavation and use method |
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| Publication number | Publication date |
|---|---|
| CN101852085B (en) | 2012-05-23 |
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