CN101956562B - Self-advancing gate road advance support bracket - Google Patents
Self-advancing gate road advance support bracket Download PDFInfo
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- CN101956562B CN101956562B CN2009100654226A CN200910065422A CN101956562B CN 101956562 B CN101956562 B CN 101956562B CN 2009100654226 A CN2009100654226 A CN 2009100654226A CN 200910065422 A CN200910065422 A CN 200910065422A CN 101956562 B CN101956562 B CN 101956562B
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Abstract
The invention relates to a self-advancing gate road advance support bracket. The self-advancing gate road advance support bracket is formed by dividing at least two pairs of bracket primitives into two groups of brackets. Each bracket primitive consists of a support top beam and two hydraulic pillars which are hinged with both ends of the support top beam through hinge pins; for each pair of bracket primitives, a first group consists of a previous bracket primitive, and a second consists of a latter bracket primitive; the middle part of each hydraulic pillar is provided with a sleeve capable of sliding up and down; the sleeve is provided with an upper connecting sleeve and a lower connecting sleeve; an upper shaft and a lower shaft pass through the upper connecting sleeve and the lower connecting sleeve of each hydraulic pillar of the two groups of brackets respectively; a frame hydraulic cylinder is arranged between the hydraulic pillar and the connecting sleeve capable of sliding relatively to the sleeve; and a stepping driver is arranged between the first group of brackets and the second group of brackets. The two groups of brackets are moved in a way of alternative stepping, and the whole process is realized by controlling an oil path of a hydraulic system. The self-advancing gate road advance support bracket has the advantages of no need of manual participation, labor intensity reduction, work efficiency improvement, adaptivity of the two pillars in the process of moving the brackets, and stability of the brackets.
Description
Technical field:
The present invention relates to comprehensive mechanization device under the coal mine, relate in particular to coal-face end support device, particularly a kind of automatic moving type crossheading advance support rack.
Background technology:
Mostly China's coal-mine is well worker fully-mechanized mining working, because complicated geological condition, well worker coal-face two crossheadings need carry out supporting in advance.Existing support apparatus has beams of metal individual prop and slippage bracket, and these two kinds of support apparatus all have characteristics in light weight, easy accessibility, but the beams of metal individual prop needs manually-operated when supporting, and workman's working strength is big, and efficient is low, and support speed is slow and dangerous.And slippage bracket is with slider guide mechanism the major-minor beam to be linked together; (applying date is on March 10th, 1997 such as Chinese invention patent application " lift-moving type hydraulic support and moving manner thereof "; Open day is on September 16th, 1998, and publication number is number CN1193070A) technical scheme of being applied for, when moving frame; Need column to shrink then by moving frame oil cylinder, limited block and slideway acting in conjunction, each column all need dispose one and move the frame oil cylinder.(applying date is on July 9th, 2008 in Chinese invention patent application " twin-beam twin-column stepping leading hydraulic support "; Open day is on December 10th, 2008, and publication number is CN101319613A) disclosed technical scheme adopts the protection support of outrigger door and internal frame door, and outrigger door and internal frame door alternately move ahead; But it adopts special rising the beam hydraulic cylinder and rise the beam linkage to realize that supporting beam is positioned over the top, tunnel; Adopt special underbeam hydraulic cylinder and underbeam linkage to realize the underlying of supporting beam, and in rising beam and underbeam process, need manual work to move supporting beam, poor stability; Labour intensity is big, and it rises beam and underbeam mechanism is complicated; Simultaneously, but when moving frame, still need manual work to set upright pillar, do not break away from heavy manual labor, and slippage bracket itself is unstable, can not guarantee the safety in production of work plane.
Summary of the invention:
The object of the present invention is to provide a kind of automatic moving type crossheading advance support rack; Described this automatic moving type crossheading advance support rack will solve automatic moving type crossheading advance support rack inconvenient operation in the prior art, move a large amount of hand labor of frame process need, simultaneously its baroque technical problem.
The objective of the invention is to realize: this automatic moving type crossheading advance support rack through following technical scheme; Support element body by being ∏ shape constitutes; Wherein, this advance support rack is disposed in pairs by at least two pairs of support element bodies and constitutes, and these at least two pairs of support element bodies are divided into two pack supports; Each support element body constitutes through two hinged hydraulic vertical props of bearing pin by supporting top beam with the supporting top beam two ends; Each previous support element body to the support element body constitutes first pack support, and a back support element body constitutes second pack support, and each hydraulic vertical prop middle part is arranged with the sleeve that can slide up and down; Each sleeve is provided with two adapter sleeves up and down; Respectively wear in two adapter sleeves up and down of the hydraulic vertical prop of two pack supports be equipped with a level go up axle and lower shaft, for slidingtype is connected, another is fixed connection to one of the connected mode of two adapter sleeves up and down of first pack support in the support and upper and lower axle for each; Just the connected mode with first pack support and upper and lower axle is opposite for two adapter sleeves up and down of corresponding second pack support and the connected mode of upper and lower axle; Have one to be fixedly connected with sleeve in two adapter sleeves on the sleeve of two pack supports, another adapter sleeve can endwisely slip along sleeve, and two adapter sleeve set-up modes on the sleeve of first pack support are identical; Two adapter sleeve set-up modes on the hydraulic vertical prop of second pack support are identical; The last lower joint sleeve set-up mode of first pack support and second pack support is just opposite, and hydraulic vertical prop one end and relative sleeve slidably are provided with the vertical contractile frame hydraulic cylinder of lifting between the adapter sleeve, and this is lifted frame hydraulic cylinder one end and is fixedly connected with column one end; The other end with this slidably adapter sleeve be fixedly connected, between first pack support and second pack support, be provided with the contractile driver of taking a step of level.In order enough supports to be provided for the tunnel that reaches 20m, can increase the quantity of support element body, such as adopting ten pairs of support element bodies.Certainly, different according to the length in tunnel, the quantity of support element body can arbitrarily increase and decrease.
The upper joint sleeve of the first pack support sleeve and last axle are fixedly connected, and its lower joint sleeve and lower shaft are slidingly connected, and the upper joint sleeve of the second pack support sleeve and last axle are slidingly connected, and its lower joint sleeve is fixedly connected with lower shaft.
The upper joint sleeve of the first pack support sleeve and last axle are slidingly connected, and its lower joint sleeve is fixedly connected with lower shaft, and the upper joint sleeve of the second pack support sleeve is fixedly connected with last axle, and its lower joint sleeve and lower shaft are slidingly connected.
The upper joint sleeve of the first pack support sleeve is fixedly connected with sleeve; Its lower joint sleeve and sleeve are slidingly connected; The upper joint sleeve and the sleeve of the second pack support sleeve are slidingly connected; Its lower joint sleeve is fixedly connected with sleeve, between the lower joint sleeve of first pack support and hydraulic vertical prop, is provided with and lifts the frame hydraulic cylinder.
The driver of taking a step is the hydraulic cylinder of taking a step, and the piston rod end of the hydraulic cylinder of taking a step and cylinder bottom are arranged on first pack support and second pack support through rotating pin.Certainly, the driver of taking a step also can adopt motor and necessary transmission mechanism to form, and perhaps the air cylinder driven mode but, adopts hydraulic cylinder, and its control circuit can be consistent with hydraulic vertical prop.
Offer square hole vertically at the supporting top beam two ends, in this square hole, respectively be provided with one section pin beam, the hydraulic vertical prop upper end is connected with the pin beam through bearing pin.
Operating principle of the present invention is: at first; In the time of need taking a step; The hydraulic vertical prop of first group or second group is received post earlier and is fallen frame, lifts then that the frame jack is flexible to make the column group lift frame, and the jack of taking a step subsequently is flexible takes a step; Lift the frame jack after the step pitch advanced in years and stretch lazy-tong, last hydraulic vertical prop is stretched post and is risen the frame roof supporting.
The present invention compares with prior art, and its effect is actively with tangible.The present invention is the sheathed sleeve that can slide up and down on the hydraulic vertical prop of automatic moving type crossheading advance support rack; Through two adapter sleeves up and down that on sleeve, are provided with; Last lower joint sleeve through each column is respectively arranged with axle and lower shaft; Like this support is divided into two groups and controls, be provided with and lift the pack support column that the frame hydraulic cylinder takes a step needs and lift and (, then will earlier the second pack support column be received post and fall frame if second pack support need move; By lifting the frame hydraulic cylinder second pack support is lifted then) then by the driver telescopic drive of taking a step, with the reach of the pack support that lifts or after move; Like this, two pack supports can alternately take a step to move, and whole process is realized by solenoid control hydraulic system oil circuit, does not need artificial participation, reduces labour intensity, increases work efficiency.The driver of taking a step also adopts hydraulic cylinder, is convenient to and the unified control of hydraulic system of support, does not need extra increase control circuit.If supporting the back timber two ends that pin-and-hole is set; Wherein be provided with one section pin beam, two columns are located at the end of pin beam through bearing pin, like this when traversing carriage; Column can be made accommodation along the length direction of supporting back timber; To adapt to the variation of tunnel landform and width, have adaptivity at support moving process two columns, guarantee the stability of support.
Description of drawings:
Fig. 1 is the three-dimensional structure sketch map of automatic moving type crossheading advance support rack first embodiment of the present invention.
Fig. 2 is the lateral view among Fig. 1.
Fig. 3 is the end intention among Fig. 1.
The specific embodiment:
Embodiment 1:
Like Fig. 1, Fig. 2 and shown in Figure 3, this automatic moving type crossheading advance support rack of the present invention in the present embodiment, is made up of the support element body that is ∏ shape; Wherein, this advance support rack by ten pairs of support element bodies in pairs configuration constitute, adopting ten pairs of support element bodies is in order to the tunnel that reaches 20m enough supports to be provided, these ten pairs of support element bodies are divided into two pack supports; Each support element body constitutes through hinged two hydraulic vertical props 2 of bearing pin by supporting top beam 1 with the supporting top beam two ends, and each previous support element body to the support element body constitutes first pack support, and a back support element body constitutes second pack support, is I like label among Fig. 1; III, V, VII; IX ... Be each previous support element body to the support element body, constitute first pack support, label is II; IV, VI, VIII; X ... Be each previous support element body to the support element body, constitute second pack support, ten remaining support element bodies by that analogy.Each sleeve 3 that is arranged with sleeve 3, the first pack support element bodies that can slide up and down in the middle part of each hydraulic vertical prop is provided with up and down, and each sleeve 3 of two adapter sleeve 41,42, the second pack support element bodies is provided with two adapter sleeves 43,44 up and down; Wear the upward axle 5 that is equipped with a level in the upper joint sleeve 41 and 43 of the hydraulic vertical prop of two pack supports; Wear the lower shaft 6 that is equipped with a level in the lower joint sleeve 42 and 44 of the hydraulic vertical prop of two pack supports, wherein the upper joint sleeve 41 of first pack support is fixedly connected with last axle 5, and the lower joint sleeve 42 of first pack support is connected for slidingtype with lower shaft 6; Promptly this adapter sleeve 42 can slide along lower shaft 6 relatively; The upper joint sleeve 43 of second pack support is slidingly connected with last axle 5, and promptly this adapter sleeve 43 can slide along last axle 5 relatively, and the lower joint sleeve 44 of second pack support is fixed the connection with lower shaft 6; Simultaneously; The lower joint sleeve 42 of first pack support is located on the sleeve 3 through a collar 7, and just, adapter sleeve 42 can slide up and down along sleeve 3; Accordingly; The upper joint sleeve 43 of second pack support is located on the adapter sleeve 3 through the collar 7, and adapter sleeve 43 can slide up and down along sleeve 3, is provided with between the lower joint sleeve 42 of the hydraulic vertical prop 2 and first pack support and lifts frame hydraulic cylinder 8; Can be fixedly connected with the collar 7 through a fixed cover 81 when specifically being provided with and be integral; On this fixed cover 81, be connected with the piston rod of lifting frame hydraulic cylinder 81 through bearing pin then, the cylinder bottom of lifting frame hydraulic cylinder 8 is connected with a fixed bar 82 on the hydraulic vertical prop 2 through a bearing pin, because the upper joint sleeve 41,43 of first pack support and second pack support all is equipped with spools 5; And its lower joint sleeve 42,44 all is equipped with lower shaft; Therefore lift frame hydraulic cylinder 8 and need on each column of first pack support, all not be provided with, can severally at interval be provided with one to support and lift frame hydraulic cylinder 8, ten pairs of support element bodies in the present embodiment have adopted three to lift frame hydraulic cylinder (on two hydraulic vertical props of same support element body, all should be provided with certainly and lift the frame hydraulic cylinder).The contractile hydraulic cylinder 9 of taking a step of the level that between first pack support and second pack support, is provided with; The take a step piston rod of hydraulic cylinder 9 is connected with the second pack support sleeve 3 through bearing pin; Piston rod connects the key seat of bearing pin and the upper joint sleeve 43 of the second pack support sleeve 3 forms a whole; Be connected with sleeve 3 through the collar 7, the cylinder bottom of the hydraulic cylinder 9 of taking a step and the sleeve of first pack support 3 are connected through bearing pin.Same; Because the upper joint sleeve 41 of first pack support is fixedly connected with last axle 5; The lower joint sleeve 44 of second pack support is fixedly connected with lower shaft 6; Therefore, the also at interval one or more pairs of support element body setting of hydraulic cylinder 8 of taking a step is at interval among Fig. 1, and the pair of brackets element body is provided with the hydraulic cylinder 8 of taking a step.Offer square hole vertically at supporting top beam 1 two ends, in this square hole, respectively be provided with one section pin beam 10, hydraulic vertical prop 2 upper ends are connected with pin beam 10 through bearing pin.When traversing carriage, column can be made accommodation along the length direction of supporting back timber, to adapt to the variation of tunnel landform and width, has adaptivity at support moving process two columns, guarantees the stability of support.
Process of the present invention is following: in the time of need taking a step, at first, the hydraulic vertical prop of first group or second group is received post earlier and is fallen frame (which pack support needs to move the column that then receive this pack support); Lift then that the frame hydraulic cylinder is flexible to make the column group lift frame, move second pack support such as needs, this moment need be with all hydraulic column receipts post of second pack support; And first pack support is motionless, plays a supporting role, and lifts the frame hydraulic cylinder piston rod and stretches out; Through lower shaft the column of second pack support is lifted built on stilts; Because the lower joint sleeve of first pack support can slide up and down along its sleeve, can second group column be raised to the height that needs, the piston rod of the hydraulic cylinder of taking a step subsequently stretches out; The other end links to each other with second pack support because this hydraulic cylinder one end of taking a step links to each other with first pack support; Therefore the piston rod of this hydraulic cylinder of taking a step stretches out just and can the second pack support integral body be taken a step, and the piston rod of this hydraulic cylinder of taking a step shrinks and then can second pack support be taken a step in the opposite direction certainly, lifts frame jack piston rod contracted frame after step pitch advanced in years; The hydraulic vertical prop of the second last pack support is stretched post and is risen the frame roof supporting, accomplishes the action of taking a step of second pack support like this.Likewise; If first pack support need be taken a step, then the hydraulic vertical prop of first pack support is received post, and the hydraulic vertical prop of second pack support is played a supporting role; Needing this moment operation to lift the frame hydraulic cylinder shrinks its piston rod; Because the lower joint sleeve of second pack support is fixed the connection with its sleeve, the lower joint sleeve of first pack support can't move down when under the effect of lower shaft, lifting the contraction of frame hydraulic cylinder, and the hydraulic vertical prop with first pack support lifts built on stilts like this; Flexible by the hydraulic cylinder of taking a step, realize the action of taking a step forward or backward of first pack support.
Certainly; Upper and lower two adapter sleeves on the sleeve also can adopt another kind of set-up mode; Promptly the upper joint sleeve of the first pack support sleeve and last axle are slidingly connected; Its lower joint sleeve is fixedly connected with lower shaft, and the upper joint sleeve of the second pack support sleeve is fixedly connected with last axle, and its lower joint sleeve and lower shaft are slidingly connected.At this moment; The upper joint sleeve and the sleeve of the first pack support sleeve are slidingly connected; Its lower joint sleeve is fixedly connected with sleeve; The upper joint sleeve of the second pack support sleeve is fixedly connected with sleeve, and its lower joint sleeve and sleeve are slidingly connected, and between the upper joint sleeve of first pack support and hydraulic vertical prop, is provided with and lifts the frame hydraulic cylinder.
The take a step link position of driver and two pack supports also can be adjusted as required; Such as can the piston rod of present embodiment being connected with cylinder bottom conversely; The driver two ends of perhaps taking a step all are connected with sleeve through the adapter sleeve that can slide up and down; Perhaps take a step the driver two ends be connected with the hydraulic vertical prop of two pack supports also passable, as long as the driver that when execution takes a step to move, keeps taking a step is the level of state.
The driver of taking a step also can adopt motor and necessary transmission mechanism to form, and perhaps the air cylinder driven mode but, adopts hydraulic cylinder, and its control circuit can be consistent with hydraulic vertical prop.
Simultaneously, be to adopt at interval three pairs to be provided with two pairs of support element bodies and to lift the frame hydraulic cylinder in the present embodiment, lift the quantity that the frame hydraulic cylinder need be provided with and also can adjust with the support load according to the length of actual bracket.Equally; Take a step hydraulic cylinder between at interval number of holders also can adjust as required; Present embodiment is that pair of brackets is provided with the hydraulic cylinder of taking a step at interval, also can the hydraulic cylinder of taking a step just be set whenever adjacent two pairs of supports, and such step pitch is bigger; Certainly step pitch is little if desired, but also two pairs of midfeathers or how right support.
Claims (6)
1. automatic moving type crossheading advance support rack; Support element body by being ∏ shape constitutes; It is characterized in that: this advance support rack is disposed in pairs by at least two pairs of support element bodies and constitutes; These at least two pairs of support element bodies are divided into two pack supports, and each support element body constitutes through two hinged hydraulic vertical props of bearing pin by supporting top beam with the supporting top beam two ends, and each previous support element body to the support element body constitutes first pack support; The support element body in back constitutes second pack support; Each hydraulic vertical prop middle part is arranged with the sleeve that can slide up and down, and each sleeve is provided with two adapter sleeves up and down, respectively wear in two adapter sleeves up and down of the hydraulic vertical prop of two pack supports be equipped with a level go up axle and lower shaft; Each is connected for slidingtype one of the connected mode of two adapter sleeves up and down of first pack support in the support and upper and lower axle; Another is for being fixedly connected, and two adapter sleeves up and down of corresponding second pack support and the connected mode of upper and lower the axle just connected mode with first pack support and upper and lower are opposite, has one to be fixedly connected with sleeve in two adapter sleeves on the sleeve of two pack supports; Another adapter sleeve can endwisely slip along sleeve; Two adapter sleeve set-up modes on the sleeve of first pack support are identical, and two adapter sleeve set-up modes on the hydraulic vertical prop of second pack support are identical, and the last lower joint sleeve set-up mode of first pack support and second pack support is just opposite; Hydraulic vertical prop one end and relative sleeve slidably are provided with the vertical contractile frame hydraulic cylinder of lifting between the adapter sleeve; This is lifted frame hydraulic cylinder one end and is fixedly connected with column one end, the other end with this slidably adapter sleeve be fixedly connected, between first pack support and second pack support, be provided with the contractile driver of taking a step of level.
2. automatic moving type crossheading advance support rack as claimed in claim 1; It is characterized in that: the upper joint sleeve of the first pack support sleeve and last axle are fixedly connected; Its lower joint sleeve and lower shaft are slidingly connected; The upper joint sleeve of the second pack support sleeve and last axle are slidingly connected, and its lower joint sleeve is fixedly connected with lower shaft.
3. automatic moving type crossheading advance support rack as claimed in claim 1; It is characterized in that: the upper joint sleeve of the first pack support sleeve and last axle are slidingly connected; Its lower joint sleeve is fixedly connected with lower shaft; The upper joint sleeve of the second pack support sleeve is fixedly connected with last axle, and its lower joint sleeve and lower shaft are slidingly connected.
4. like claim 1 or 2 or 3 described automatic moving type crossheading advance support racks; It is characterized in that: the upper joint sleeve of the first pack support sleeve is fixedly connected with sleeve; Its lower joint sleeve and sleeve are slidingly connected; The upper joint sleeve and the sleeve of the second pack support sleeve are slidingly connected, and its lower joint sleeve is fixedly connected with sleeve, between the lower joint sleeve of first pack support and hydraulic vertical prop, are provided with and lift the frame hydraulic cylinder.
5. like claim 1 or 2 or 3 described automatic moving type crossheading advance support racks, it is characterized in that: the driver of taking a step is the hydraulic cylinder of taking a step, and the piston rod end of the hydraulic cylinder of taking a step and cylinder bottom are arranged on first pack support and second pack support through rotating pin.
6. like claim 1 or 2 or 3 described automatic moving type crossheading advance support racks, it is characterized in that: offer square hole vertically at the supporting top beam two ends, in this square hole, respectively be provided with one section pin beam, the hydraulic vertical prop upper end is connected with the pin beam through bearing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100654226A CN101956562B (en) | 2009-07-13 | 2009-07-13 | Self-advancing gate road advance support bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100654226A CN101956562B (en) | 2009-07-13 | 2009-07-13 | Self-advancing gate road advance support bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101956562A CN101956562A (en) | 2011-01-26 |
| CN101956562B true CN101956562B (en) | 2012-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100654226A Expired - Fee Related CN101956562B (en) | 2009-07-13 | 2009-07-13 | Self-advancing gate road advance support bracket |
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| CN (1) | CN101956562B (en) |
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| CN107605520B (en) * | 2017-08-17 | 2020-06-30 | 龙口矿业集团有限公司 | Movable continuous supporting bracket for coal face |
| CN107642372B (en) * | 2017-08-17 | 2020-06-30 | 龙口矿业集团有限公司 | Tunneling support with forepoling bar |
| CN110107328A (en) * | 2019-06-05 | 2019-08-09 | 中煤北京煤矿机械有限责任公司 | Slippage bracket rigidity hard tube sheath device |
| CN111173544B (en) * | 2020-01-13 | 2021-09-21 | 河南理工大学 | Large-span roadway supporting structure |
| CN111677538A (en) * | 2020-06-16 | 2020-09-18 | 陕西竹园嘉原矿业有限公司 | Circulating rolling type advance hydraulic support and using method thereof |
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| SU1180516A1 (en) * | 1984-05-17 | 1985-09-23 | Ворошиловградский Филиал Шахтинского Научно-Исследовательского И Проектно-Конструкторского Угольного Института Им.А.М.Терпигорева | Power matching roof support |
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| CN101182780A (en) * | 2007-11-28 | 2008-05-21 | 煤炭科学研究总院太原研究院 | Coal mine down-hole splited articulated look ahead supporting support |
| CN101413394A (en) * | 2008-11-26 | 2009-04-22 | 吴守峰 | Advanced support rack of coal mine downhole crossheading |
| CN201460937U (en) * | 2009-07-13 | 2010-05-12 | 郑州四维机电设备制造有限公司 | Self-moving gateway advanced supporting bracket |
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- 2009-07-13 CN CN2009100654226A patent/CN101956562B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1180516A1 (en) * | 1984-05-17 | 1985-09-23 | Ворошиловградский Филиал Шахтинского Научно-Исследовательского И Проектно-Конструкторского Угольного Института Им.А.М.Терпигорева | Power matching roof support |
| DE3712694A1 (en) * | 1987-04-14 | 1988-11-03 | Bochumer Eisen Heintzmann | Adjacent control for hydraulically operated support assemblies |
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Owner name: CATERPILLAR (ZHENGZHOU) CO., LTD. Free format text: FORMER NAME: ZHENGZHOU SIWEI ELECTROMECHANICAL EQUIPMENT MANUFACTURING CO., LTD. |
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Address after: Wu town Xingyang city Henan province 450103 Zhengzhou city wide road Patentee after: Caterpillar (Zhengzhou) Co., Ltd. Address before: 450001 No. 7 shuttle Road, Zhengzhou hi tech Development Zone, Henan, China Patentee before: Zhengzhou Siwei Electromechanical Equipment Manufacturing Co., Ltd. |
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Granted publication date: 20120314 Termination date: 20200713 |