CN200999622Y - Fully Mechanized working faces along track end head bracket - Google Patents
Fully Mechanized working faces along track end head bracket Download PDFInfo
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- CN200999622Y CN200999622Y CNU2006201610284U CN200620161028U CN200999622Y CN 200999622 Y CN200999622 Y CN 200999622Y CN U2006201610284 U CNU2006201610284 U CN U2006201610284U CN 200620161028 U CN200620161028 U CN 200620161028U CN 200999622 Y CN200999622 Y CN 200999622Y
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Abstract
A through-head support in comprehensive caving working face track is provided, which is composed of an end supporting (4), a plurality sets of fore supports and an anchored support (1). The end support (4) is the supporting shield support; the fore supports are three to six sets with every two sets as one group, namely it is composed of an inner side support and an outer side support at two sides along the track and an adjusting supporting jack (11) between the roof beams of the two side supports; the inner and the outer side supports of the fore supports are composed of an articulated roof beam, an roof base, a column and a four-connecting-pole mechanism as well as a front beam; the anchored support in the front of the fore supports is of the overall base subaspect roof beam structure; the column is composed of four columns, an external sleeved elastic ring and a rigid guiding base. The anchored support, each fore support and the end support are connected through a pull jack (12) between the bases of them in sequence. The utility model realizes the fore support of end along the track with self-moving mode, thus lowering the labor intensity and enhancing the working efficiency and safety; besides, with the moving forward by step-type, the utility model reduces the nihil top area and top plate sinking volume, which is particularly suitable for the character that the lane track slot has large deformation in free lane.
Description
Technical field
The utility model relates to the fully mechanized coal face face end support, the fully mechanized caving face along-track end bracket that particularly a kind of comprehensive coal face rail that is suitable for gob side entry driving side deployment rails crossheading is used along end support and advance support.
Background technology
Along with the mining technology rapid development, the use of high-power coal cutter group and large conveying quantity high reliability drag conveyor and fully-mechanized mining working automatic control system, coal face machinery automated arm level is more and more high.But the fully mechanized coal face two ends is still continued to use the form that cross bar adds individual prop at present and is safeguarded.Not only working strength of workers is big, has prolonged the waiting time of machine halt of coal-winning machine at face end, and more seriously danger is bigger during the feed back of termination, brings certain difficulty for the efficient propelling and the safety management of fully mechanized coal face.At present, the research of the haulage gate end hydraulic support of the empty side in the non-edge of fully mechanized coal face makes great progress; But at the track crossheading of gob side entry driving, because roof pressure is big, the roadway deformation amount is big, large-scale integral formula face end support can't use because of being subjected to spatial constraints.The track crossheading termination of fully mechanized coal face gob side entry driving, because country rock under the effect of multiple bearing pressure, is subjected to mining influence very big, the ore deposit is pressed and is manifested complexity, and the roadway deformation amount is big, and the emphasis that is the top board maintenance also is the difficult point of roof control.Improving the supporting situation of gob side entry driving rail along the termination, realize supporting machineization and automation, is the key factor that reduces worker's heavy physical labor, reduction accident rate, raising fltting speed, realizes high-yield and high-efficiency.
" Gazette of Patent for Invention " disclosed application number: 200410024062.2, name is called the patent application and the disclosed application number of Patent Gazette for Utility Models of " the fully-mechanized mining working crossheading is strengthened support process and hydraulic support in advance ": 200420040254.8, name is called the patent of " the fully-mechanized mining working crossheading is strengthened hydraulic support in advance ", discloses a kind of fully mechanized coal face track crossheading and termination to be carried out technology and the hydraulic support that automatic moving type adds strong supporting in advance.Its many group of being arranged successively along the comprehensive coal face direction of propulsion along one group of end hydraulic support of tip placement with at the track crossheading by the comprehensive coal face rail is strengthened hydraulic support in advance and is formed; Wherein, first group of advance timbering is inverted, with end hydraulic support in opposite directions, the layout of joining, all the other advance timberings are arranged according to normal mode.Leading strengthen hydraulic support by back timber, forestope, column, quadric chain, base member case, push unit, lift base device etc. and constitute; It utilizes the push unit that is located at the base member case bottom to pass.Its push unit comprises passes jack, guide rail; Pass jack and be articulated between base member case and the guide rail, guide rail is positioned at the base member case bottom, and the guide rail of all push units joins together in proper order, and support is passed along the guide rail straight line.There are side guard board and jack thereof in the back timber both sides; Two row column spacings add the your writing walkway.This rail is strengthened support process and hydraulic support in advance along the termination, adopts many standing shield hydraulic supports to make advance support, and the empty top area of top board is big when trying to stop people from fighting each other, and the amount of crushing is big.
Summary of the invention
For overcome the existing rail of forming by many chock shields along the termination strengthen in advance support frame move frame space-time top area greatly, deficiency that the amount of crushing is big, the utility model provides a kind of fully mechanized caving face along-track end bracket, it can not only replace individual prop and cross articulated roof beam to realize that the automatic moving type rail is along termination and advance support, reduce working strength of workers, improve work efficiency, and employing step type reach mode, empty top area is little, the amount of crushing is little, can adapt to the big requirement of track crossheading deflection of gob side entry driving.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted to be:
Fully mechanized caving face along-track end bracket is made up of face end support, advance timbering, anchor support.
1. face end support adopts chock shield.
2. advance timbering adopts 3～6 groups, is disposed in order successively along advance of the face direction; Every group of advance timbering is two one group of forms, that is: every pack support comprises the accent frame jack between the back timber of the outer bogie side frame that lays respectively at track crossheading and arranged on left and right sides, interior bogie side frame, outer bogie side frame and interior bogie side frame.The outer bogie side frame of every group of advance timbering, interior bogie side frame are by formations such as articulated roof beam, hinged base, column, quadric chains.The preceding back timber front end of articulated roof beam is hinged with front-axle beam.
The back top beam rear end of the articulated roof beam of the outer bogie side frame of tail group advance timbering is hinged with the back rest, and back back timber of bogie side frame is short back timber in it.Move the jack connection by drawing between the base of each adjacent advance support.Move jack and connect by drawing between the base of the outer bogie side frame of tail group advance timbering and the base of face end support.
3. anchor support is positioned at the place ahead of first group advance timbering, is unsplit bedplate split back timber structure, that is: the base and arranged on left and right sides of support is connected as a single entity, the back timber and arranged on left and right sides split of support, and column is four columns, is two columns each side; The flexible ring of cylinder body overcoat of four columns, elastic ring is with the guide holder of rigidity outward, and guide holder connects firmly on base.Connect by the passing jack between the base of the base of anchor support and first group advance timbering.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted can also be:
The face end support of fully mechanized caving face along-track end bracket adopts narrow type chock shield, and its width is 1300mm ± 100mm.Except that the tail group, establish front column, central post and quadric chain between the preceding back timber of the outer bogie side frame of advance timbering, interior bogie side frame and the preceding base, establish rear column, two linkages between back back timber and the rear base; Space width between the inside and outside bogie side frame of advance timbering is 1300mm～1800mm, preferred 1500mm; Stent length is 9m～10m.Can hinged back back timber jack between the short back back timber of the interior bogie side frame of tail group advance timbering and the preceding back timber, and after this weak point is afterwards established board plug type in back timber outrigger and flexible jack thereof, do not establish rear column.Space width between the anchor support and arranged on left and right sides is 1300mm～1800mm, preferred 1500mm; Height≤the 100mm of its base middle part.
The beneficial effects of the utility model are:
1. can not only realize fully mechanized caving face along-track end supporting and advance support mechanization, reduce worker's labour intensity significantly and reduce the termination attendant, improve the safety of termination operation, increase work efficiency; And the advance timbering of two one group of structures of employing is realized the step type reach, and empty top area is little, and the amount of crushing is little, can adapt to the big and big characteristics of deflection of gob side entry pressure; And the moving manner by adopting two cuttves one to draw, reduce repeatedly support number of times and the top board circulation deflection of support to top board.
2. its face end support adopts narrow type chock shield, can adapt to the big and big characteristics of deflection of gob side entry pressure better, and supporting intensity height, strong, the good stability of flexibility are effectively controlled roadway deformation.
3. this rail can be realized from moving, lead and adjust along face end support self, need not to be provided with in addition to move frame take root anchor pole or device.
Description of drawings
Fig. 1 is the structural representation in the fully mechanized caving face along-track end bracket outside, the D-D sectional view of Fig. 3.
Fig. 2 is the structural representation of fully mechanized caving face along-track end bracket inboard, the E-E sectional view of Fig. 3.
Fig. 3 is the structural representation vertical view of fully mechanized caving face along-track end bracket.
Fig. 4 is that this rail is along the structural representation of the anchor support of face end support, the A-A sectional view of Fig. 1.
Fig. 5 is that this rail is along the structural representation of the advance timbering of face end support, the B-B sectional view of Fig. 1.
Fig. 6 is that this rail is along the structural representation of the face end support of face end support, the C-C sectional view of Fig. 1.
Fig. 7 is the zoomed-in view of outrigger 6 behind the interior bogie side frame of tail group advance timbering.
Among the figure: the back outrigger of bogie side frame or title back bar, 7-work plane transition support or title crab bearer, the anterior transporter of 8-work plane, 9-work plane rear portion transporter, 10-coal-winning machine, 11-transfer the frame jack or claim that anti-down jack, 12-draw and move jack between frame in the interior bogie side frame of the outer bogie side frame of 1-anchor support, 2-advance timbering, 3-tail group advance timbering, 4-face end support, 5-tail group advance timbering, the 6-tail group advance timbering.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Composition at the utility model fully mechanized caving face along-track end bracket shown in Fig. 1～3.Mainly by anchor support 1, organize advance timbering more, face end support 4 is formed.Anchor support 1, each advance timbering, face end support 4 move jack 12 by drawing between its base, connect cost cover rail successively along face end support integral body by the front and back order.
1. face end support 4 adopts narrow type chock shield, and width is 1300mm.Its structure is identical with general standing shield hydraulic support, by back timber, base, caving shield, front-axle beam, forestope, four columns, quadric chain, draw and move jack, hydraulically operated valve, fluid pressure line etc. and constitute.
Face end support 4 adopts narrow type chock shield, be in order to satisfy the big needs of gob side entry deflection, under the great supersevereconditions of face end roadway deformation amount, face end support 4 can also enter where necessary between work plane inboard, anterior transporter 8 and the rear portion transporter 9 and use, be equivalent to work plane transition support 7, to guarantee that work plane can normally advance.
2. advance timbering can be installed 3～6 groups, is preferably 3～4 groups.Adopt two one group of form of structure, that is: every pack support comprises the outer bogie side frame that lays respectively at track crossheading and arranged on left and right sides, interior bogie side frame; Transfer frame jack 11 to connect by three between the back timber of outer bogie side frame and interior bogie side frame.That is outer bogie side frame, interior bogie side frame lay respectively at goaf rib side, the working face wall side of track crossheading.
Except tail group advance timbering, the interior bogie side frame of every group of advance timbering 2, outer bogie side frame are by formations such as back timber, base, three columns, quadric chains.Back timber, base all adopt segmented box profile with girder construction, or claim articulated roof beam, hinged base.Articulated roof beam is made of centre hinged preceding back timber and back back timber; Hinged base is made of centre hinged preceding base and rear base.Hinged between preceding back timber and the preceding base with front column, central post and positive quadric chain; Hinged between back back timber and the rear base with rear column and two linkages.The front end of preceding back timber all is hinged with front-axle beam and jack thereof.The outer bogie side frame of advance timbering 2 left and right sides, the structure of interior bogie side frame are symmetry; Every pack support 2 is about 10m.
The inside and outside bogie side frame of advance timbering is hinged with the two ends of transferring frame jack 11 by the hinged coupling head of the connection seat on its back timber, connect that first end is hinged by horizontal bearing pin, the other end is hinged by vertical bearing pin, can realize the function of transferring frame jack 11 can push away and can draw.
The outer bogie side frame 3 and the interior bogie side frame 5 of tail group advance timbering are asymmetric; Its outer bogie side frame 3 is basic identical with the outer bogie side frame of other advance timbering 2, but the back top beam rear end has increased the back rest and the back rest jack of hinge joint, does not establish two linkages.The back back timber of the interior bogie side frame 5 of tail group advance timbering is smaller than the back back timber of other advance timbering 2, and back top beam rear end is not established the back rest, does not establish two linkages.In case the back back timber of the interior bogie side frame 5 of tail group advance timbering and the coal-winning machine 10 of work plane interfere.
The base of the inside and outside bogie side frame of first group advance timbering 2 is by drawing the base that moves jack 12 and anchor support 1 hinged, and two pack supports move the function that jack 12 realizations not only push away but also draw by drawing.The base of the outer bogie side frame of tail group advance timbering is realized drawing moving frame by drawing the base that moves jack 12 and face end support 4 hinged.Each inside and outside bogie side frame of organizing advance timbering moves jack 12 by drawing between its base respectively and connects successively in order along advance of the face direction, moves jack 12 and realizes that step types move frame by drawing.
Advance timbering is to press the situation that manifests according to the work plane ore deposit, in order to adapt to the big characteristics of gob side entry deflection, increases flexibility, and left and right the mode of taking a step adopted in the support reach, effective Roof Control, and large tracts of land is empty when avoiding the support reach pushes up.Back timber, base adopt segmented box profile with beam, and be simple and reliable for structure, strong to work plane roof and floor fluctuations compliance, also is simultaneously down-hole transportation and the installation that makes things convenient for support; Leave enough pedestrians, ventilation and transport space in the middle of every pack support, convenient big part transportation.
3. anchor support 1 adopts unsplit bedplate split back timber form of structure.Unsplit bedplate is meant that the bracket base and arranged on left and right sides is connected as a single entity; The split back timber is meant the and arranged on left and right sides split of back timber at support, and the centre does not connect.The column of support is four columns, each side is two columns; The flexible ring of cylinder body overcoat of four columns, elastic ring is with the guide holder of rigidity outward, and guide holder connects firmly on base.Be positioned at the elastic ring of rigidity guide holder, can lead, can make again column to do swing among a small circle for upright supports, thereby adapt to the roof and floor fluctuations.Anchor support 1 is simple in structure, is positioned at this rail along first effect of " taking root " of face end support frame, cooperates with advance timbering 2, can realize this rail moving certainly, leading and adjusting along face end support.
The cross-sectional configuration of shown in Figure 4 the suitable face end support anchor support 1 of rail.Pedestrian, ventilation and the transport space of 1500mm left in the centre of anchor support 1; Its base middle interconnecting piece position highly is 100mm, convenient big part transportation.
The cross-sectional configuration of shown in Figure 5 the suitable face end support advance timbering of rail.Connect by accent frame jack 11 between the back timber of its inside and outside bogie side frame.In the middle of advance timbering, stay pedestrian's transport space of 1500mm.
The cross-sectional configuration of the face end support 4 of shown in Figure 6 the suitable face end support of rail.Face end support 4 is narrow type chock shield, is positioned at the outside of track crossheading, and it moves jack 12 with the outer bogie side frame 3 of tail group advance timbering by drawing between its base and connects.
In addition, in order to adapt to the big characteristics of gob side entry pressure, this cover face end support all adopts big cylinder diameter column, support reaches more than the 0.7MPa the supporting intensity of whole rail crossheading, draw and move jack range 1700mm, can realize that two cuttves one draw, reduce repeatedly support number of times and the top board circulation deflection of support top board.
Except the foregoing description, the utility model also can adopt following measure change:
1. the back back timber of the interior bogie side frame 3 of tail group advance timbering adopts the form of structure of the flexible outrigger of band, that is: in its short back back timber, establish board plug type after outrigger 6, and promote it with back outrigger jack between the back timber of short back and stretch by being articulated in back outrigger 6.Hinged back back timber jack between short back back timber and the preceding back timber, and without rear column.As Fig. 2, shown in Figure 7.The back back timber structure of bogie side frame 3 in two kinds of tail group advance timberings that the utility model provides all is to organize the interference problem of advance timbering during certainly coal-winning machine 10 end tail coal cuttings along the face end support end with rail in order to adapt to requesting for conciliation of supporting intensity under the different condition.
2. the preferable width of the narrow type chock shield of face end support 4 is 1300mm ± 100mm.
3. the group number of advance timbering 2 is preferred 3～4 groups; Its stent length is selected at 9m～10m.The framework of the inside and outside bogie side frame of advance timbering 2 on the basis that contains articulated roof beam, hinged base, column, quadric chain, also can adopt other form, as: need not two linkages etc.
4. the space width between the and arranged on left and right sides of anchor support 1 can be selected in 1300mm～1800mm scope; Height≤the 100mm of its base middle part.
The operating sequence of this support: after work plane transition support 7 reach, move jack 12 by drawing behind the outer bogie side frame 3 of tail group advance timbering and draw and move the face end support 4 that falls behind the post; At this moment, the front-axle beam of face end support 4 is fallen, and inserts under the back rest of the outer bogie side frame 3 of tail group advance timbering; After two step pitches of face end support 4 reach, organize passing jack before the advance timbering 2 by head and pass the anchor support 1 that falls behind the post; Then, anchor support 1 setting prop pulls back successively in the past and moves each advance timbering, rises the front-axle beam of face end support 4 at last, finishes a circulation, to reach frame 1.6m.Skew takes place support reach process maybe needs to adjust, and drawing between accent frame jack 11 that can be by the operation advance timbering and anchor support and the advance timbering moved jack 12 and realized.
This support is specially adapted to the fully mechanized coal face track crossheading termination and the advance support of gob side entry driving, also can be used for general comprehensively putting, fully-mechanized mining working track crossheading termination and advance support.
Claims (7)
1. fully mechanized caving face along-track end bracket comprises face end support, along many groups advance timbering that advance of the face direction is disposed in order successively, it is characterized in that:
1. said face end support (4) is a chock shield;
2. said advance timbering is 3～6 groups; Every group of advance timbering is two one group of forms, that is: every pack support comprises the outer bogie side frame that lays respectively at track crossheading and arranged on left and right sides, interior bogie side frame, and the frame jack (11) of accent is arranged between the back timber of outer bogie side frame and interior bogie side frame; The outer bogie side frame of every group of advance timbering, interior bogie side frame include articulated roof beam, hinged base, column, quadric chain; The preceding back timber front end of articulated roof beam is hinged with front-axle beam;
The back top beam rear end of the articulated roof beam of the outer bogie side frame (3) of tail group advance timbering is hinged with the back rest; The back back timber of bogie side frame (5) is short back timber in the tail group advance timbering;
Move jack (12) connection by drawing between the base of each adjacent advance support; Move jack (12) and connect by drawing between the base of the outer bogie side frame (3) of tail group advance timbering and the base of face end support (4);
3. there is anchor support (1) in first group advance timbering (2) the place ahead; Anchor support (1) is a unsplit bedplate split back timber structure, that is: the base and arranged on left and right sides of support is connected as a single entity, the back timber and arranged on left and right sides split of support, and column is four columns, is two columns each side; The flexible ring of cylinder body overcoat of four columns, elastic ring is with the guide holder of rigidity outward, and guide holder connects firmly on base;
Anchor support (1) moves jack (12) with first group advance timbering (2) by drawing between its base and connects.
2. fully mechanized caving face along-track end bracket according to claim 1 is characterized in that: said face end support (4) is narrow type chock shield, and its width is 1300mm ± 100mm.
3. fully mechanized caving face along-track end bracket according to claim 1 is characterized in that: said advance timbering is 3～4 groups, and the space width between its inside and outside bogie side frame is 1300mm～1800mm; Except that the tail group, be hinged with front column, central post and the quadric chain of said column between the preceding base of the outer bogie side frame of advance timbering (2), the preceding back timber of interior bogie side frame articulated roof beam and hinged base, be hinged with rear column, two linkages of said column between the back back timber of articulated roof beam and the rear base of hinged base.
4. fully mechanized caving face along-track end bracket according to claim 3 is characterized in that: the space width between the inside and outside bogie side frame of said advance timbering is 1500mm; Advance timbering (2) length is 9m～10m.
5. fully mechanized caving face along-track end bracket according to claim 1 is characterized in that: the short back back timber of the interior bogie side frame (5) of said tail group advance timbering, and be hinged with back back timber jack between the preceding back timber; Outrigger (6) behind the board plug type is arranged, the outrigger jack that stretches after being hinged with between back outrigger (6) and the short back back timber in the back timber of this weak point back.
6. fully mechanized caving face along-track end bracket according to claim 1 is characterized in that: the space width between said anchor support (1) and arranged on left and right sides is 1300mm～1800mm, the height≤100mm of its base middle part.
7. fully mechanized caving face along-track end bracket according to claim 6 is characterized in that: the space width between said anchor support (1) and arranged on left and right sides is 1500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201610284U CN200999622Y (en) | 2006-11-30 | 2006-11-30 | Fully Mechanized working faces along track end head bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201610284U CN200999622Y (en) | 2006-11-30 | 2006-11-30 | Fully Mechanized working faces along track end head bracket |
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| Publication Number | Publication Date |
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| CN200999622Y true CN200999622Y (en) | 2008-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2006201610284U Expired - Lifetime CN200999622Y (en) | 2006-11-30 | 2006-11-30 | Fully Mechanized working faces along track end head bracket |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191419B (en) * | 2006-11-30 | 2010-05-12 | 兖州煤业股份有限公司 | Fully mechanized working faces track along end head bracket |
| CN102748052A (en) * | 2012-07-26 | 2012-10-24 | 兖州煤业股份有限公司 | Combined mining rail crossheading circulating forward type forepoling system |
| CN102877872A (en) * | 2012-10-25 | 2013-01-16 | 中煤北京煤矿机械有限责任公司 | Heavy large-mining-height full-protection large-dip-angle long-wall fully mechanized caving face automatic control supporting equipment |
| CN111396106A (en) * | 2020-03-30 | 2020-07-10 | 三一重型装备有限公司 | Forepoling segmentation hinged top beam structure and forepoling support |
| CN114738026A (en) * | 2022-04-18 | 2022-07-12 | 兖矿能源集团股份有限公司 | Coal face end support method |
-
2006
- 2006-11-30 CN CNU2006201610284U patent/CN200999622Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191419B (en) * | 2006-11-30 | 2010-05-12 | 兖州煤业股份有限公司 | Fully mechanized working faces track along end head bracket |
| CN102748052A (en) * | 2012-07-26 | 2012-10-24 | 兖州煤业股份有限公司 | Combined mining rail crossheading circulating forward type forepoling system |
| CN102748052B (en) * | 2012-07-26 | 2014-10-22 | 兖州煤业股份有限公司 | Combined mining rail crossheading circulating forward type forepoling system |
| CN102877872A (en) * | 2012-10-25 | 2013-01-16 | 中煤北京煤矿机械有限责任公司 | Heavy large-mining-height full-protection large-dip-angle long-wall fully mechanized caving face automatic control supporting equipment |
| CN102877872B (en) * | 2012-10-25 | 2014-07-02 | 中煤北京煤矿机械有限责任公司 | Heavy large-mining-height full-protection large-dip-angle long-wall fully mechanized caving face automatic control supporting equipment |
| CN111396106A (en) * | 2020-03-30 | 2020-07-10 | 三一重型装备有限公司 | Forepoling segmentation hinged top beam structure and forepoling support |
| CN114738026A (en) * | 2022-04-18 | 2022-07-12 | 兖矿能源集团股份有限公司 | Coal face end support method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20080102 Effective date of abandoning: 20061130 |