CN100593627C - Fully mechanized caving face along-track end bracket - Google Patents
Fully mechanized caving face along-track end bracket Download PDFInfo
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- CN100593627C CN100593627C CN200710015658A CN200710015658A CN100593627C CN 100593627 C CN100593627 C CN 100593627C CN 200710015658 A CN200710015658 A CN 200710015658A CN 200710015658 A CN200710015658 A CN 200710015658A CN 100593627 C CN100593627 C CN 100593627C
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Abstract
A face-end support for the track channel of a fully-mechanized caving face is composed of an anchor support (1), a fore support (2), a face-end support (3), and a tail-end support (4). The anchor support has a four-pillar and four-connection-rod structure and includes an internal and an external supports, wherein both the internal and the external supports are composed of a top beam, a pedestal, two pillars and a four-connection-rod mechanisms. The fore support includes 3 to 5 groups, and each group has an eight-pillar structure and includes an internal and an external supports, wherein both the internal and the external supports are composed of a hinged top beam, a hinged pedestal, four pillars, a four-connection-rod and single-swing-rod mechanism, and a forepoling beam. The face-end support includes 1 to 3 groups, and each group has a four-pillar and four-connection-rod structure and includes an internal and an external supports. The tail-end support has a six-pillar hinge beam structure. An adjusting jack is arranged between the top beams of the internal and the external supports and the pedestal of each support. The face-end support solves the problems that the anchor support has difficulty in changing the pillars and is not easy to bear offset loads and that the distance between pedestals of the internal and the external supports is not easy to be adjusted. Accordingly, the face-end support has more reasonable force bearing capacity, and can improve the support ability and the stability of the support. Two kinds of step pitch moving supports reduce repeatedly supporting. The face-end support is suitable for channels with large pressure and large deformation along hollow tracks.
Description
Technical field
The present invention relates to the fully mechanized coal face face end support, the particularly a kind of fully mechanized coal face track crossheading end support of gob side entry driving and fully mechanized caving face along-track end bracket that advance support is used of being suitable for.
Background technology
At present, the advance support of fully mechanized coal face end support and gallery generally adopts traditional " cross " back timber or " Yi Ziliang " to cooperate the intensive supporting method of hydraulic prop, and this method speed is slow, efficient is low, personnel selection is many, labour intensity is big, job security is poor.Combine with modernization and to put equipment and be not complementary, become weak link and " bottleneck " of mining production technique development.Fully mechanized coal face track crossheading termination, especially along unoccupied orbital crossheading termination, owing to be subjected to the effect of the big and multiple bearing pressure of mining influence, the ore deposit pressure manifests complexity, and roof pressure is big, and roadway deformation is serious, is the supporting difficult point.Solve the difficult problem of fully mechanized caving face along-track end district's supporting, realize rail along the end support supportization, it is very necessary to promote the longwall top coal caving technical development.
" Gazette of Patent for Invention " discloses application number: 200610070396.2, name is called the patent application of " fully mechanized caving face along-track end bracket ".It is a kind of fully mechanized coal face track crossheading and termination to be carried out the hydraulic support that automatic moving type adds strong supporting in advance, one group of end hydraulic support being arranged by fully mechanized caving face along-track end and form at many groups advance timbering and anchor support that the track crossheading is arranged along the fully mechanized coal face direction of propulsion.1. face end support adopts chock shield.2. advance timbering adopts 3～6 groups, every group of two one group of forms that comprise outer bogie side frame, interior bogie side frame; Anti-down jack between frame is arranged outward, between the interior bogie side frame back timber; Outer bogie side frame and interior bogie side frame are by formations such as articulated roof beam, hinged base, column, quadric chains; Articulated roof beam has forestope, back bar, and back timber is short back timber behind the interior bogie side frame.3. anchor support is positioned at the place ahead, adopts unsplit bedplate split back timber structure, is four columns, each two post of left and right sides; Column overcoat elastic ring, guide holder.Draw between the base of face end support, each advance timbering, anchor support and move the jack connection.
Summary of the invention
For the anchor support that overcomes existing fully mechanized caving face along-track end bracket is difficult for changing column and can not bearing the deficiency that can not adjust spacing between the base of interior outrigger of unbalance loading, advance timbering in the down-hole, and the enabling capabilities and the stability that further improve entire bracket, the invention provides a kind of new fully mechanized caving face along-track end bracket, its anchor support changes the column convenience, can bear unbalance loading in the down-hole, can adjust spacing between inside and outside base, the force structure of support is more reasonable, and the enabling capabilities of support improves greatly.
The present invention solves 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 the support in anchor support, advance timbering, face end district from front to back successively along advance of the face direction.Each support moves jack by drawing between its base and connects successively in order.
1. anchor support: be four post four-bar linkage structures, inside and outside two one group of forms; That is: anchor support is made up of internal frame, outrigger, that is back timber and base are medial and lateral and divide body structure.Internal frame and outrigger are by back timber, base, and two columns between the two and quadric chain formation.
2. advance timbering: be 3～5 combinations; Every group of advance timbering is eight pillar constructions, inside and outside two one group of forms, that is: every pack support is made up of internal frame and outrigger; Inside and outside by articulated roof beam, hinged base, four columns, linkage formation.Between the preceding back timber of articulated roof beam and the preceding base of hinged base, be connected with two columns and quadric chain; Between the back back timber of articulated roof beam and the rear base of hinged base, be connected with two columns and single wobbling pole mechanism.The preceding back timber front end of articulated roof beam is hinged with forestope.
3. the support in face end district: comprise anterior face end support, the machine tail end tail support at rear portion.Anterior face end support is 1～3 combination, and every group is four post four-bar linkage structures, inside and outside two one group of forms.The back timber front end of each face end support is hinged with forestope; The top beam rear end of tail group face end support is hinged with the back outrigger.The machine tail end tail support at rear portion is six a posts hinge girder construction support.
There is back timber to adjust jack between the internal frame of anchor support, advance timbering, face end support and the back timber of outrigger and connects, have base to adjust jack between the base of its internal frame and outrigger and connect.
The present invention solves the problems of the technologies described above the technical scheme that is adopted can also be:
The unit advance of the advance timbering of fully mechanized caving face along-track end bracket, machine tail end tail support is two step pitches, and the unit advance of face end support is a step pitch.Advance timbering, face end support are three combinations.Anchor support and face end support can generally exchange.All the column of column and work plane transition support can generally exchange.
The invention has the beneficial effects as follows:
1. two one group, four post four-bar linkage structure forms about anchor support adopts, and identical with face end support form of structure, have interchangeability.Overcome existing anchor support and be difficult for the problem of changing column, can not bear unbalance loading in the down-hole.And simple in structure, can realize taking a step from moving, compliance is good.
2. establish the adjustment jack between the inside and outside base, can adjust the base width, overcome the problem that to adjust spacing between the interior outrigger base according to changing.
3. advance timbering adopts the pattern that eight rod structures, four connecting rods combine with single wobbling pole, makes force structure more reasonable, has improved stability, the lateral pressure resistant ability of support, and enabling capabilities.
4. machine tail end tail support adopts six posts hinge girder construction, has improved enabling capabilities and supporting area.
5. unit advance is divided into two kinds of step pitch 1700mm and 900mm, has both satisfied the big step pitch that advance timbering moves the frame requirement, satisfies the small step distance that face end support moves the frame requirement again.Like this, fully mechanized coal face advances two cuttves continuously, and advance timbering only need move forward once, has reduced back is supported number of times repeatedly, helps guaranteeing the integrality and the stability of top board.Can adapt to better along the big requirement of unoccupied orbital crossheading deflection.
Description of drawings
Fig. 1 is the structural representation of fully mechanized caving face along-track end bracket outrigger, the D-D sectional view of Fig. 3.
Fig. 2 is the structural representation of fully mechanized caving face along-track end bracket internal frame, 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 face end support machine tail end tail support, the C-C sectional view of Fig. 1.
Among the figure: the 1-anchor support, the 2-advance timbering, the 3-face end support, 4-machine tail end tail support, the 5-forestope, the 6-back timber, the 7-quadric chain, the 8-column, the 9-base, the 10-forestope, the 11-quadric chain, back timber before the 12-, the 13-column, back timber behind the 14-, 15-single wobbling pole mechanism, the 16-rear base, base before the 17-, 18-draws and moves jack, 19-draws and moves jack, outrigger behind the 20-tail group face end support, the 21-forestope, back timber before the 22-, the 23-front column, the 24-back timber, the 25-caving shield, the 26-connecting rod, the 27-base, the 28-column, base before the 29-, 30-draws and moves jack, 31-work plane rear portion transporter, 32-work plane transition support, the anterior transporter of 33-work plane, the 34-coal mining machine roller, the 35-internal frame, the 36-outrigger, the 37-back timber is adjusted jack, the 38-base is adjusted jack.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
Composition at fully mechanized caving face along-track end bracket of the present invention shown in Fig. 1～3.Its supporting structure is four type eight combination forms; Form by anchor support 1, three groups of advance timberings 2, three groups of face end supports 3, machine tail end tail supports 4 successively from front to back along advance of the face direction.Eight pack supports move jack by drawing between its base, connect the cost rail in order successively along face end support integral body.
1. anchor support 1: be four post four-bar linkage structures, inside and outside two one group of forms; That is: anchor support 1 is made up of internal frame 35, outrigger 36, that is back timber and base are the medial and lateral split.Constitute by the quadric chain 7 of forward and backward two columns 8 between inside and outside back timber 6 and the base 9 with the centre.Adjust jack 37 by back timber between inside and outside the back timber and connect, adjust jack 38 by base between inside and outside the base and connect.Internal frame 35, outrigger 36 lay respectively at working face wall side, the goaf rib side of track crossheading.Anchor support 1 is positioned at entire bracket frame head, plays " taking root " effect, cooperates with advance timbering 2 to realize rail taking a step from moving along face end support.Base is set adjusts jack 38, can make adjustment and lead convenient.The back timber front end of anchor support 1 is hinged with forestope 5 and jack thereof, with the face end support 3 of three combinations preceding two groups identical, have interchangeability.
2. advance timbering 2: be three combinations; Every pack support is eight pillar constructions, inside and outside two one group of forms; That is: every pack support is made up of internal frame and outrigger; Inside and outside shelf structure is identical, and the two is by formations such as articulated roof beam, hinged base, four columns, linkages.Articulated roof beam is made of centre hinged preceding back timber 12 and back back timber 14, hinged base is made of centre hinged preceding base 17 and rear base 16, two columns and middle quadric chain 11 before and after being connected with between preceding back timber 12 and the preceding base 17, two columns 13 and middle single wobbling pole mechanism 15 before and after being connected with between back back timber 14 and the rear base 16.The front end of preceding back timber 12 is hinged with forestope 10 and jack thereof.There is the jack of adjustment 37 to connect between the back timber of its internal frame and outrigger, has the jack of adjustment 38 to connect between the base of internal frame and outrigger.
3. face end support 3: being positioned at the support of front portion, termination district, is three combinations, and every is four post four-bar linkage structures, inside and outside two one group of forms.Internal frame, outrigger constitute by back timber, base, forward and backward column and quadric chain between the two.All there is the jack of adjustment to connect between inside and outside the back timber, between the base.The front end of back timber 6 is hinged with forestope 5 and jack thereof.Its structure is identical with the structure of anchor support, can general the exchange.The top beam rear end of tail group face end support 3 is hinged with back outrigger 20 and jack thereof.
4. machine tail end tail support 4: be six posts hinge girder construction support.Its structure is basic identical with general standing shield hydraulic support, by back timber 24, base 27, caving shield 25, preceding back timber 22, forestope 21, six columns, quadric chain, draw and move jack 30, hydraulically operated valve etc. and constitute.It is an overall structure, is regardless of inside and outside.Its back timber is an articulated roof beam, by preceding back timber 22 and back timber 24 hinged forming; Two connecting rods 26 constitute quadric chain with caving shield 25, base 27; Different is: its base is hinged base, by preceding base 29 and base 28 hinged forming.Be hinged with a pair of front column 23 between preceding base 29 and the preceding back timber 22, be hinged with two columns 28 between base 27 and the back timber 24.
The cross-sectional configuration of shown in Figure 4 the suitable face end support anchor support 1 of rail.Connect by adjusting jack 37 between the back timber of its internal frame 35 and outrigger 36, connect by adjusting jack 38 between the base of internal frame and outrigger.People's Bank of China, safety and the haulage device space of 1650mm are left in the centre of anchor support 1, and are furnished with cable, water pipe and illumination suspension arrangement.
The cross-sectional configuration of shown in Figure 5 the suitable face end support advance timbering 2 of rail.Its structure and anchor support 1 are similar.Connect equally between internal frame 35 and the outrigger 36 by the adjustment jack 37 between the back timber, adjustment jack 38 between the base.
The cross-sectional configuration of shown in Figure 6 the suitable face end support machine tail end tail support 4 of rail.This support is narrow type six posts hinge girder construction support, and width only has 1200mm, is positioned at the outside of track crossheading, moves jack 30 with the outrigger of tail group face end support 3 by drawing between its base and connects.
This rail is identical with the column of work plane transition support 32 along whole 46 root posts of support, can generally exchange.For satisfying the big step pitch that advance timbering moves the frame requirement, satisfy the face end support small step again apart from moving the frame requirement, advance timbering, machine tail end tail support draw the stroke that moves jack 18,30 should satisfy the requirement that two step pitches are moved frame, that is: 1700mm ± 100mm; Face end support draws the stroke that moves jack 19 should satisfy the requirement that a step pitch is moved frame, i.e. 900mm ± 100mm.All the other have work plane front and rear part transporter 33,31, coal mining machine roller 34 in the accompanying drawing.
Except the foregoing description, the present invention also can adopt following measure change:
1. the group number of advance timbering can be selected in 3～5 groups.
2. the group number of face end support can be selected in 1～3 group.
3. machine tail end tail support can be the six posts hinge boom support of firm banking.
This support is specially adapted to termination and the advance support of fully mechanized coal face along the unoccupied orbital crossheading, also can be used for general comprehensively putting, the termination and the advance support of fully-mechanized mining working track crossheading.
Claims (7)
1. fully mechanized caving face along-track end bracket comprises the support in anchor support, advance timbering, face end district from front to back successively along advance of the face direction; Each support moves jack by drawing between its base and connects successively in order;
1. anchor support: four columns are arranged; Back timber is the medial and lateral split, each two column of medial and lateral;
2. advance timbering: be 3～5 combinations; Every group of advance timbering is two one group of forms, promptly inside and outside; Inside and outside of every pack support includes articulated roof beam, hinged base, column, linkage; Be hinged with two columns and quadric chain between preceding back timber and the preceding base, be hinged with column and single wobbling pole mechanism between back back timber and the rear base; The preceding back timber front end of articulated roof beam is hinged with forestope; The adjustment jack is arranged between inside and outside the back timber;
3. the support in face end district: hinge girder construction support is arranged;
It is characterized in that:
1. said anchor support: be four post four-bar linkage structures, inside and outside two one group of forms; That is: anchor support (1) is made up of internal frame (35), outrigger (36), that is base also is the medial and lateral split; Also has quadric chain (7) except two columns (8) between back timber of internal frame and outrigger (6) and the base (9);
2. said advance timbering: be eight rod structures; Thereafter the column between back timber (14) and the rear base (16) is two columns (13);
The support in 3. said face end district: comprise anterior face end support (3), the machine tail end tail support (4) at rear portion; Anterior face end support (3) is 1～3 combination, and every group is four post four-bar linkage structures, inside and outside two one group of forms, and the back timber front end of face end support (3) is hinged with forestope (5); The top beam rear end of tail group face end support (3) is hinged with back outrigger (20); Said hinge girder construction support, promptly machine tail end tail support (4) is six a posts hinge girder construction support;
Between the internal frame of anchor support (1), advance timbering (2), face end support (3) and the base of outrigger adjustment jack (38) is arranged.
2. fully mechanized caving face along-track end bracket according to claim 1 is characterized in that: said advance timbering (2), machine tail end tail support (4), two kinds of supports (2,4) to draw the stroke that moves jack (18,30) be two step pitches; Said face end support (3), it draws the stroke that moves jack (19) is a step pitch.
3. fully mechanized caving face along-track end bracket according to claim 2 is characterized in that: a said step pitch is 900mm ± 100mm, and two step pitches are 1700mm ± 100mm.
4. fully mechanized caving face along-track end bracket according to claim 1 is characterized in that: said advance timbering is three combinations; Said face end support is three combinations.
5. fully mechanized caving face along-track end bracket according to claim 1 is characterized in that: said machine tail end tail support (4), its base are hinged base; Between preceding base (29) and the front-axle beam (22) a pair of front column (23) is arranged, between rear base (27) and the back timber (24) two columns (28) are arranged.
6. fully mechanized caving face along-track end bracket according to claim 1 is characterized in that: the back timber front end of said anchor support (1) is hinged with forestope (5), with in three combinations of face end support (3) preceding two groups identical, have interchangeability.
7. fully mechanized caving face along-track end bracket according to claim 1, it is characterized in that: whole columns of said anchor support (1), advance timbering (2), face end support (3), machine tail end tail support (4) are identical with the column of work plane transition support (32), have interchangeability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710015658A CN100593627C (en) | 2007-05-29 | 2007-05-29 | Fully mechanized caving face along-track end bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710015658A CN100593627C (en) | 2007-05-29 | 2007-05-29 | Fully mechanized caving face along-track end bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101315031A CN101315031A (en) | 2008-12-03 |
| CN100593627C true CN100593627C (en) | 2010-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710015658A Expired - Fee Related CN100593627C (en) | 2007-05-29 | 2007-05-29 | Fully mechanized caving face along-track end bracket |
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| CN (1) | CN100593627C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871354A (en) * | 2010-06-04 | 2010-10-27 | 中煤北京煤矿机械有限责任公司 | Large-step continuous supporting type forepole and forepole moving method thereof |
| CN102720516A (en) * | 2012-06-07 | 2012-10-10 | 沈阳北方重矿机械有限公司 | End head support frame of fully mechanized mining face |
| CN103089286B (en) * | 2013-01-22 | 2014-12-03 | 山东科技大学 | Driving face self-moving temporary support hydraulic support and support method thereof |
| CN108412528B (en) * | 2018-04-23 | 2019-09-17 | 山东塔高矿业机械装备制造有限公司 | Based on the hydraulic support device and method for protecting support for extending tunnel |
| CN110593933A (en) * | 2019-10-07 | 2019-12-20 | 江苏新鹏能源科技有限公司 | Combined hydraulic frame |
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2007
- 2007-05-29 CN CN200710015658A patent/CN100593627C/en not_active Expired - Fee Related
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| CN101315031A (en) | 2008-12-03 |
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Granted publication date: 20100310 Termination date: 20130529 |