CN101338684A - Combined guided slipping type forepoling hydraulic support - Google Patents
Combined guided slipping type forepoling hydraulic support Download PDFInfo
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- CN101338684A CN101338684A CNA200810118638XA CN200810118638A CN101338684A CN 101338684 A CN101338684 A CN 101338684A CN A200810118638X A CNA200810118638X A CN A200810118638XA CN 200810118638 A CN200810118638 A CN 200810118638A CN 101338684 A CN101338684 A CN 101338684A
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Abstract
The present invention provides a combined guide slippage type forepoling hydraulic bracket which comprises an internal support unit and an external support unit (12 and 11) which are symmetrical to each other at left and right. Each support unit comprises a top beam (1), a pedestal, a guide stabilizing mechanism and a hydraulic support component upright post. An upright post is articulated between the top beam and the pedestal. A telescopic link type guide stabilizing mechanism is arranged at the middle parts of the top beam and the pedestal. The outer side of the internal support unit is provided with the external support unit. Connecting slide rods (7) are respectively connected between the top beams and the pedestal beams at the same side of the adjacent internal and external support units. An inter-frame jack (8) is articulated between the top beam and the pedestal of the symmetrical internal support unit to form a section of bracket. The bracket forms an independent motor unit. The hydraulic bracket consists of a plurality of independent motor units. An advancing jack (17) is connected between the pedestals (9) of the independent motor units. The front end of the pedestal (9) of a section of bracket at the front end of the hydraulic bracket is connected with a head frame pulling and moving mechanism. The hydraulic bracket can effectively support a big section laneway and realizes the forepoling and the forepoling automatization of the big section laneway.
Description
Technical field
The present invention relates to the big section work plane of colliery underground mining crossheading advance support support apparatus, is a kind of self-propelled combined guided slipping type forepoling hydraulic support that is applicable to transportation lane and return airway.
Background technology
China is one of country of coal seam reserves maximum in the world, fully-mechanized mining working quantity constantly increases, particularly big mining height high-yield and high-efficiency work plane is increasing, but the kind of the advance support rack in the tunnel up and down of work plane is less, and have the major defect that can not adapt to big section, for example, existing advance support rack all needs to be provided with the anchor point of trying to stop people from fighting each other, and anchor point is set, the comparison difficulty especially is set in large section roadway; For another example, more existing advance support rack adopts and promotes to move shelf structure, promotes to move frame and can cause mobile deflection and moving difficulty.So it is also not extensive that existing forepoling hydraulic support uses, particularly adopt manually control, influence coal mining efficient to a certain extent; Along with domestic coal mine machinery melts the development of adopting and the variation of geological conditions, the performance of existing forepoling hydraulic support can not satisfy the requirement of efficient operation face mechanical mining fully, particularly large section roadway does not also have suitable advance timbering, therefore, a kind of reliable in function compliance is strong, can be used in the combined guided slipping type forepoling hydraulic support that haulage drift can be used in the return aircourse again, becomes the advance support equipment that the high-yield and high-efficiency coal-face is badly in need of.
Summary of the invention
The objective of the invention is to provide a kind of and realize that the efficient supporting of large section roadway controls the forepoling hydraulic support that realization moves frame automatically automatically, to realize the advance support and the advance support automation of large section roadway to coal mine work area.
For achieving the above object, the present invention takes following design scheme:
A kind of combined guided slipping type forepoling hydraulic support, comprise symmetrical some in, outer support unit, each support unit includes back timber respectively, base, double-telescopic rod formula guiding stabilizing mechanism and column, two ends between described back timber and base respectively are hinged with a telescopic hydraulic support column, middle part between back timber and base is provided with flexible rod-type guiding stabilizing mechanism, two described in the outside of support unit be respectively arranged with two described outside support unit, homonymy adjacent in, be connected with slide block between the back timber of outer support unit and between the base respectively, between back timber, save support between the back timber of the interior support unit of symmetry and between the base or just with transferring the frame jack to connect and compose one;
Form inside and outside self-movement unit by an above-mentioned joint support, or constitute the inside and outside self-movement unit that two joint supports are formed by hinged between the back timber of the inside and outside support unit of the above-mentioned support of two joints and between the base or only hinged between base,
Constituted this combined guided slipping type forepoling hydraulic support by some self-movements unit;
This combined guided slipping type forepoling hydraulic support also comprises and moves frame mechanism, it comprises: the passing jack that is connected with between the base of the self-movement unit that per two joint supports are formed, or between the base of the self-movement unit that the self-movement unit and a joint support of two joint supports compositions are formed, be connected with the passing jack, or between the base of the self-movement unit that per two one joint supports are formed, be connected with the passing jack; Base front end at a joint support of the front end of this hydraulic support is connected with headstock pull body.
Can also be outside described support unit outside back timber and, or be hinged with side on the inboard back timber of interior support unit and protect top board, protect to be provided with between the top board in this back timber and side and protect the top jack; In the end the rear end of the back timber of one of end joint support is connected with tail boom, is provided with the tail boom jack between this back timber and tail boom.
This hydraulic support also comprises control system, control system is made up of electrichydraulic control subsystem and manual control subsystem, the electrichydraulic control subsystem by many group controllers, organize the valve group more and form automatic control system, its by fluid pressure line and each column, pass jack and the top jack that protects that can also comprise is connected with the tail boom jack; Described controller is connected with the electromagnetic valves of organizing on the valve groups more to make when sending the control signal in proper order by action, many in view of the above group valve group break-make pipelines, the working cycles that realization is predetermined; Manually the control subsystem is made up of as supplementary controlled system many groups hand-operated valve group, and it is connected with described accent frame jack by fluid pressure line, controls described accent frame jack.
Concrete, described double-telescopic rod formula guiding stabilizing mechanism comprises guiding urceolus and flexible intermediate cylinder and guide peg.Flexible intermediate cylinder is placed in the guiding urceolus, and guide peg is placed in the flexible intermediate cylinder, forms the flexible guide cylinder of two-stage.Bottom outer surface at flexible intermediate cylinder and guide peg is welded with gib block, is provided with guide strip at the nozzle inner surface place of flexible intermediate cylinder and guiding urceolus and fixes with bearing pin, and bearing pin and gib block constitute the anticreep stopping means, prevent to throw off in telescopic process.
The lower end of this time guide cylinder is fixed as one with corresponding base, and the upper end of described expansion link is hinged with corresponding back timber;
Described column is a hydraulic jack, and the upper end of this column is hinged with corresponding back timber, and the lower end of this column is hinged with corresponding base.
In described, the syndeton that connects slide block between the back timber of outer support unit and between the base is: the inboard of the base of support unit and back timber is respectively equipped with vertical "T"-shaped gib block outside described, be respectively equipped with the "T"-shaped gib block of level at the base of interior support unit and the outside of back timber, two lateral surfaces of described slide block are provided with orthogonal "T"-shaped chute, insert in the "T"-shaped chute of level of slide block by the "T"-shaped gib block of described level, insert in the vertical "T"-shaped chute of slide block by described vertical "T"-shaped gib block, in inciting somebody to action, outer support unit links together.
Described down, the cross section of middle guide cylinder and flexible guide peg is rectangle, or the cross section of described guide cylinder and flexible guide peg is circular.
Bottom outer surface at middle guide cylinder and flexible guide peg is welded with batten, at last, middle oral area inner surface dismountable guiding batten is housed;
Be configured to combined guided slipping type forepoling hydraulic support by four joints, wherein per two joint supports connect and compose the self-movement unit, are articulated and connected by passing jack between the base of these two self-movement unit.
Be configured to combined guided slipping type forepoling hydraulic support by three joints, wherein two joints connect and compose the self-movement unit, and another joint support constitutes moving cell separately, are articulated and connected by passing jack between the base of these two moving cells.
Described headstock pull body can be: in each hinged pusher rod of front end of two internal frame bases of the headstock, pass crossbeam hinged one of the front end of pusher rod, at the two ends of passing crossbeam respectively with two hinged two passing jack of headstock outrigger base.
The advantage of combined guided slipping type forepoling hydraulic support provided by the invention is:
1, inboard back timber and outside back timber and in connect with slide block between wing base and the outer wing base, can be between feasible interior outer base and the inside and outside back timber in level and vertical direction relative motion.Therefore in making at work during the support unit motion outer support unit at holding state, during outer support unit motion in support unit supporting.Top board has two strong points in both sides all the time, is difficult for inbreak.Inside and outside support unit relative motion simultaneously, guiding is beneficial to motion each other, has adopted big mobile step pitch, has reduced the support number of times to top board, has effectively protected top board, also increases substantially with time shift frame efficient.
2, adopt electrichydraulic control for the control main body, manually be controlled to be auxiliary hybrid control system, simplified control system, realized automatic control working cycles, reduced cost, improved reliability.Solved the complicated movement owing to equipment, the control point is many, and the control system complexity is difficult to realize the difficult problem of control automatically.Both realize automatic control, improved the control flexibility of palpus inadvertent operation again.
3, the headstock draws to move and has realized that whole moving move frame and be pulling and move frame in the frame process, has avoided causing mobile deflection and moving difficulty because of promoting to move frame, has cancelled that in the headstock front anchor frame being set, and simplifies the structure.Especially at large section roadway, solved the anchor point problem of difficult has been set.
The guiding movement track is straight line when 4, using double-telescopic rod, take up room little, magnification is big, can be applicable to the large end face tunnel.
5, lead mutually because of medial and lateral, can make and not establish the accent rack device between the base,, guarantee that transportation is convenient when when return airway uses.
Description of drawings
Fig. 1 is that two interior support units of the present invention and two outer support units constitute a joint support schematic diagram.
Fig. 2 is that Figure 1A-A is to structural representation.
Fig. 3 is a local enlarged diagram among Fig. 2.
Fig. 4 be among Fig. 3 B-B to structural representation.
Fig. 5 is that the present invention props up the structural representation that is configured to combined guided slipping type forepoling hydraulic support by four joints.
Fig. 6 is that the present invention props up the structural representation that is configured to combined guided slipping type forepoling hydraulic support by three joints.
Fig. 7 is a slide block master TV structure schematic diagram.
Fig. 8 is a slide block left side TV structure schematic diagram.
Fig. 9 is a slide block plan structure schematic diagram.
Figure 10 is that guide cylinder and flexible guide peg square-section have inside and outside batten structural representation.
Figure 11 is guide cylinder and flexible guide peg rectangular cross section structure schematic diagram.
Figure 12 is guide cylinder and flexible guide peg circular cross-section structural representation.
Figure 13 is a headstock pull body schematic diagram.
Figure 14 is the plan structure sketch of hydraulic support shown in Figure 5;
Figure 14 a, 14b, 14c and 14b are the electrohydraulic control system schematic diagrams of Figure 14 structure stand.
Figure 15 is Fig. 5 structure stand manual control system schematic diagram.
The specific embodiment
Embodiment 1:
Referring to Fig. 1～shown in Figure 5: a kind of combined guided slipping type forepoling hydraulic support, it mainly includes: automatic control system 25, headstock pull body 24, interior support unit 12, outer support unit 11, side are protected top board 19, tail protects top board 18, slide block 7, passing jack 17 protect top jack 10, transfer frame jack 8;
In, outer support unit 12,11 include back timber 1 respectively, base 9, flexible rod-type guiding stabilizing mechanism 3 and column 2, both sides between back timber 1 and base 9 are connected with two root posts 2, middle part between back timber 1 and base 9 is connected with flexible rod-type guiding stabilizing mechanism 3, between the back timber 1 of two interior support units 12, be connected with and transfer frame jack 8, support unit 11 outside the outside of two interior support units 12 is respectively arranged with, interior, between the back timber of outer support unit, be connected with slide block 7 between the base respectively, by described slide block 7 two interior support units 12 and two outer support units 11 are connected and composed a joint support, in two joint supports, outer support unit separately between the back timber and between the base connect and compose that two joint supports form in, outer self-movement unit, in every two stands joint composition, be connected with respectively between the base of outer self-movement unit and pass jack 17, or between the base of the self-movement unit that the self-movement unit and a joint support of two joint supports compositions are formed, or between the base of the self-movement unit that per two one joint supports are formed, be connected with passing jack 17.
Described flexible rod-type guiding stabilizing mechanism 3 comprises following guide cylinder, goes up guide cylinder and flexible guide peg, should go up guide cylinder is inserted in down in the guide cylinder, flexible guide peg is inserted in the guide cylinder, the lower end of this time guide cylinder is fixed as one with corresponding base, and the upper end of described expansion link is hinged with corresponding back timber; Described column 2 is hydraulic jack, and the upper end of this column is hinged with corresponding back timber, and the lower end of this column is hinged with corresponding base; The inboard of the base of support unit and back timber is respectively equipped with vertical "T"-shaped gib block 16 outside, be respectively equipped with the "T"-shaped gib block 14 of level at the base of interior support unit and the outside of back timber, (see Fig. 7, Fig. 8, Fig. 9) two lateral surfaces of described slide block 7 are provided with "T"-shaped chute 13 of orthogonal level and vertical "T"-shaped chute 15, cooperate in the "T"-shaped chute of level by the "T"-shaped gib block insertion of described level slide block, cooperate in the vertical "T"-shaped chute by described vertical "T"-shaped gib block insertion slide block, in inciting somebody to action, outer support unit links together.
The cross section of described following guide cylinder 4, last guide cylinder 5 and flexible guide peg 6 is rectangles, outside four jiaos of places are welded with external angle plate 401 at the top of following guide cylinder 4 nozzle, be provided with dismountable horizontal sliver 402 in inside, with bolt or sell 403 sliver 402 is fixed in the down tube place, top of guide cylinder 4, be welded with gib block 501 in the bottom of last guide cylinder 5, its top is welded with external angle plate 502, with bolt or sell 504 sliver 503 is fixed in the top of guide cylinder 5, be provided with two groups of sliver 601 (see figure 10)s up and down in the outside, bottom of flexible guide peg 6; Sliver 402,503 and 601 and 501 is slidingly matched through processing, having preferably.Guide cylinder and flexible guide peg in the described flexible rod-type guiding stabilizing mechanism can also have following distortion, as shown in figure 11, according to instructions for use, the cross section of described guide cylinder 20 and flexible guide peg 21 is rectangles, directly be slidingly matched with guide cylinder 20 by flexible guide peg 21, the lower end of guide cylinder 20 is fixed on the base, and the upper end of flexible guide peg 21 is hinged on the back timber.This guide cylinder 20 and flexible guide peg 21 are fit to collapsing length to be used more in short-term.
Guide cylinder and flexible guide peg in the described flexible rod-type guiding stabilizing mechanism can also have following distortion, as shown in figure 12, according to instructions for use, the cross section of described guide cylinder 22 and flexible guide peg 23 is circular, directly be slidingly matched with guide cylinder 23 by flexible guide peg 22, on the fixing base again in the lower end of guide cylinder 23, the upper end of flexible guide peg 22 is hinged on the back timber.This guide cylinder 23 and flexible guide peg 22 are fit to use when collapsing length is short or longer.
Be configured to combined guided slipping type forepoling hydraulic support for propping up as shown in Figure 5 by four joints, the inside and outside support unit of wherein per two joint supports connects and composes inside and outside self-movement unit, is articulated and connected by passing jack 17 between the base of these two self-movement unit.
Concrete syndeton is interior moving cell before interior support unit 36, interior support unit 37 are formed, moving cell in interior support unit 34, the interior support unit 39 composition backs; Outer moving cell before outer support unit 32, outer support unit 33 are formed, outer support unit 35, outer support unit 38 are formed the outer moving cell in back; Hinged between two moving cells with passing jack 17; The afterbody assembling tail of back moving cell protects jack 181 and tail top board 18.
Under the effect of slide block, the relative motion of vertical and horizontal direction can be arranged between inside and outside support unit, to realize falling frame and moving movement.Owing to divide inside and outside moving cell, when falling in internal frame, supports by frame by outrigger, during motion, lead by outrigger, otherwise therefore instead then, can be when not falling frame the top board large tracts of land lose to support and collapse, guiding each other simultaneously, do not need before side arm, to add draw-gear, shelf attachment equipment is reduced, strengthened adaptive capacity.This advance support rack is because the moving cell motion is flexible, and the base width is less, applicable to haulage drift and return aircourse.
Headstock pull body as shown in figure 13, the front end of the support unit headstock 36 in an end of pusher rod 241 is articulated in, the other end are articulated in passes crossbeam 242; Pass jack 243 1 ends and be articulated in and pass crossbeam 242, the other end is articulated in the headstock 32 of outer support unit, when pass draw when jack promotes to pass crossbeam move in support unit move ahead, contraction passing jack draws and moves outer support unit and move ahead.Described headstock pull body can be: in each hinged pusher rod of front end of two internal frame bases of the headstock, pass crossbeam hinged one of the front end of pusher rod, at the two ends of passing crossbeam respectively with two hinged two passing jack of headstock outrigger base.
Also comprise control system, control system is made up of electrichydraulic control subsystem and manual control subsystem, described electrichydraulic control subsystem by many group controllers, organize the valve group more and form automatic control system, its by the described column of fluid pressure line and each, pass jack and be connected; Described controller is connected with the electromagnetic valves of organizing on the valve groups more to make when sending the control signal in proper order by action, many in view of the above group valve group break-make pipelines, the working cycles that realization is predetermined; Described manual control subsystem is made up of as supplementary controlled system many groups hand-operated valve group, and it is connected with described accent frame jack by fluid pressure line, controls described accent frame jack.
Electrohydraulic control system in the present embodiment is shown in Figure 14 a, 14b, 14c and 14b, and this four width of cloth accompanying drawing is an electrohydraulic control system, and it cuts in a-b, c-d, e-f three punishment respectively and forms.This hydraulic support that cooperates this electrohydraulic control system comprises among front and back support J1, the J2 for comprising two joint support J1, J2:
Be arranged between each base and the back timber both sides and amount to 32 columns, it is hydraulic jack, and the numbering in Figure 14 is respectively:
Support unit in the preceding right side is wherein established front column L1, L2, L3, L4 respectively,
Support unit in the preceding left side is wherein established front column L5, L6, L7, L8 respectively,
Support unit outside the preceding right side is wherein established rear column L9, L10, L11, L12 respectively,
The outer support unit in preceding left side is wherein established rear column L13, L14, L15, L16 respectively,
Support unit in the back right side is wherein established front column L17, L18, L19, L20 respectively,
Support unit in the left side, back is wherein established front column L21, L22, L23, L24 respectively,
Support unit outside the back right side is wherein established rear column L25, L26, L27, L28 respectively,
The outer support unit in left side, back is wherein established rear column L29, L30, L31, L32 respectively.
The front end of the inside and outside support unit in first segment support J1 right side in front is provided with the passing jack T1 that passes cross bar 242, and the front end of the inside and outside support unit in first segment support J1 left side in front is provided with the passing jack T2 that passes cross bar 242.
Between the first segment support and the second joint support four passing jack 17 are set, its numbering in Figure 14 is respectively T3, T4, T5, T6, at second afterbody that saves support four tail boom jack W1, W2, W3, W4 is set.In addition, on the outside back timber of outside support unit outside each of two joint supports, be hinged with side and protect top board, protect to be provided with between the top board in this back timber and side and protect top jack 10.Be provided with two on the every back timber and protect the top jack, amount to 16 and protect the numbering of top jack in Figure 14 and be respectively H01-H16.
The control of each above-mentioned hydraulic jack is divided into four portions, respectively distribute one group about the frame group of front and back, each the group all with include controller, 12 of electromagnetic valve group in current is connected with 16 function electro-hydraulic reversing valve groups, as Figure 14 a, 14b, shown in 14c and the 14b, independent before and after can realizing, inside and outside independent, can unite unified control again, can realize whole mobile working cycles during interlock: frame falls in support unit in preceding group---moves frame and--supports that--preceding group of outer support unit regained side and protected--to fall frame and--move frame and--support that--extend side is protected, and----support unit is received back tail boom in the group of back--falls frame and---move frame and--support that----the back outer support unit withdrawal of group side is protected, and--the withdrawal side is protected, and-------extend side is protected in support--stretching, extension tail boom--to move frame to fall frame to stretch tail boom.Because internal frame moves simultaneously, in order to reduce interface quantity, increase the control reliability in the control valve group, adopt two internal frames preceding (or) rear column adopts a control mouthful, and is synchronous preferably for it is had, and adopts the pipeline symmetry to connect, and makes flow process near consistent.It is to send the sequence of movement signal by controller that electricity liquid is controlled actual automatically, and the control valve group is sent the connection of sequence of movement signal or closed by controller and leads to the pipeline that executive component is column or various jack, and executive component is moved in order.
In the hydraulic support of non-advance support, use the prior art of fully manually control or the automatic control of electric liquid a lot, forepoling hydraulic support is because how complex structure action number generally is manual control, action number of the present invention is more, if adopt manually control very complicated, if and all adopt electric liquid automatic, syndeton also can be very complicated, the control difficulty is big, therefore, the present invention has adopted manually and the structure of mixing control automatically, action with circulation characteristics with control automatically, is for example passed jack, draw move that jack and some hydraulic support have protect top jack and tail boom jack; For example transfer the action of no circulation characteristics (once in a while adjust) frame jack etc. with manually control, both reduced the difficulty of automatic control, can realize controlling automatically fast-moving bracket again, this control mode still is the precedent of advance timbering control.
Manual control system as shown in figure 15, be divided into two groups of front and back, the accent frame jack promptly preceding 1 of preceding group control fore-stock group transfers back timber jack TD1, preceding 1 accent base jack TD2, back 1 to transfer back timber jack TD3, back 1 to transfer base jack TD4, the accent frame jack promptly preceding 2 of back group control after-poppet group transfers back timber jack TD5, preceding 2 to transfer base jack TD6, back 2 to transfer back timber jack TD7, back 2 to transfer base jack TD8, adopt the control of single-point list promptly: refer to a control mouthful action of control, but not multiple spot refers to a control mouthful a plurality of actions of control; Because interior outrigger leads mutually, the support adjustment is only just used when special circumstances.
Embodiment 2:
See shown in Figure 6: constitute combined guided slipping type forepoling hydraulic support by three joint supports and headstock pull body, wherein two joints connect and compose the self-movement unit, another joint support constitutes moving cell separately, is articulated and connected by passing jack 17 between the base of these two moving cells.
Concrete syndeton is interior moving cell before interior support unit 36, interior support unit 37 are formed, moving cell in the interior support unit 38 composition backs; Outer moving cell before outer support unit 32, outer support unit 33 are formed, outer support unit 34 is formed the outer moving cell in back; Hinged between two moving cells with passing jack 17.
Headstock pull body as shown in figure 13, the front end of the support unit headstock 36 in an end of pusher rod 241 is articulated in, the other end are articulated in passes crossbeam 242; Pass jack 243 1 ends and be articulated in passing crossbeam 242, the other end is articulated in the headstock 32 of outer support unit.Such headstock pull body need not anchor structure, can locate by support self.All become very simple on the structure and in the operation.
Electrohydraulic control system in this embodiment and manual control system can be provided with in Figure 14 a, 14b, 14c and 14d and control system shown in Figure 15.
Claims (10)
1. combined guided slipping type forepoling hydraulic support, it is characterized in that: comprise symmetrical some in, outer support unit (12,11), each support unit includes back timber (1) respectively, base (9), double-telescopic rod formula guiding stabilizing mechanism (3) and telescopic hydraulic support column (2), two ends between described back timber (1) and base (9) respectively are hinged with a root post, middle part between described back timber (1) and base (9) is provided with flexible rod-type guiding stabilizing mechanism (3), two described in the outside of support unit (12) be respectively arranged with two described outside support unit (11), homonymy adjacent in, outer support unit (12,11) be connected with slide block (7) between the back timber (1) and between the base (9) respectively constituting between the back timber (1) and the syndeton that can relatively slide between the base (9), between the back timber (1) of the interior support unit (12) of symmetry and between the base (9) or be between back timber, to connect and compose one to save support by hinged accent frame jack (8);
Form inside and outside self-movement unit by an above-mentioned joint support, or constitute the inside and outside self-movement unit that two joint supports are formed by hinged between the back timber of the inside and outside support unit of the above-mentioned support of two joints and between the base or only hinged between base;
Constituted this combined guided slipping type forepoling hydraulic support by some described self-movements unit;
Also comprise thrust gear, it comprises: the passing jack (17) that is connected with between the base (9) of the self-movement unit that per two joint supports are formed, or between the base (9) of the self-movement unit that the self-movement unit and a joint support of two joint supports compositions are formed, or between the base of the self-movement unit that per two one joint supports are formed, be connected with passing jack (17); Base (9) front end at a joint support of the front end of this hydraulic support is connected with headstock pull body (24).
2. combined guided slipping type forepoling hydraulic support according to claim 1 is characterized in that: be hinged with side on the outside back timber of support unit and protect top board outside described, protect to be provided with between the top board in this back timber and side and protect the top jack.
3. combined guided slipping type forepoling hydraulic support according to claim 1, it is characterized in that: also comprise control system, control system is made up of electrichydraulic control subsystem and manual control subsystem, described electrichydraulic control subsystem by many group controllers, organize the valve group more and form automatic control system, its by the described column of fluid pressure line and each, pass jack and be connected; Described controller is connected with the electromagnetic valves of organizing on the valve groups more to make when sending the control signal in proper order by action, many in view of the above group valve group break-make pipelines, the working cycles that realization is predetermined; Described manual control subsystem is made up of as supplementary controlled system many groups hand-operated valve group, and it is connected with described accent frame jack by fluid pressure line, controls described accent frame jack.
4. combined guided slipping type forepoling hydraulic support according to claim 3, it is characterized in that: outside described, be hinged with side on the outside back timber of support unit and protect top board, protect to be provided with between the top board in this back timber and side and protect the top jack, described electrichydraulic control subsystem is connected with the described top jack that protects by fluid pressure line.
5. according to claim 3 or 4 described combined guided slipping type forepoling hydraulic supports, it is characterized in that: corresponding two forward and backward columns interior support unit or outer support unit of the support that described inside and outside support unit is formed are controlled with an electromagnetic valve group in current control mouth, and the connecting line of two columns adopts the pipeline equal length to connect.
6. combined guided slipping type forepoling hydraulic support according to claim 1, it is characterized in that: described double-telescopic rod formula guiding stabilizing mechanism (3) comprises following guide cylinder, goes up guide cylinder and flexible guide peg, should be inserted in the guide cylinder by flexible guide peg, last guide cylinder is inserted in down in the guide cylinder, the lower end of following guide cylinder is fixed as one with corresponding base, and the upper end of described expansion link is hinged with corresponding back timber.
7. combined guided slipping type forepoling hydraulic support according to claim 1, it is characterized in that: the inboard of the base of support unit and back timber is respectively equipped with vertical "T"-shaped gib block (16) outside described, be respectively equipped with the "T"-shaped gib block of level (14) at the base of interior support unit and the outside of back timber, two lateral surfaces of described slide block (7) are provided with orthogonal "T"-shaped chute (13) and vertical "T"-shaped chute (15), insert in the "T"-shaped chute of level of slide block by the "T"-shaped gib block of described level, insert in the vertical "T"-shaped chute of slide block by described vertical "T"-shaped gib block, in inciting somebody to action, outer support unit links together.
8. combined guided slipping type forepoling hydraulic support according to claim 6, it is characterized in that: described guide cylinder (4) down, the cross section of last guide cylinder (5) and flexible guide peg (6) is a rectangle, outside four jiaos of places are welded with external angle plate (401) at the top of following guide cylinder (4) nozzle, be provided with dismountable horizontal sliver (402) in inside, with bolt or pin (403) sliver (402) is fixed in the tube place, top of guide cylinder (4) down, be welded with gib block (501) in the bottom of last guide cylinder (5), its top is welded with external angle plate (502), with bolt or pin (504) sliver (503) is fixed in the top of guide cylinder (5), is provided with two groups of slivers (601) up and down in the outside, bottom of flexible guide peg (6); Perhaps,
The cross section of described guide cylinder and flexible guide peg is circular.
9. combined guided slipping type forepoling hydraulic support according to claim 1, it is characterized in that: prop up by four joints and be configured to combined guided slipping type forepoling hydraulic support, wherein per two joint supports connect and compose inside and outside self-movement unit, are articulated and connected by described passing jack (17) between the base of these two self-movement unit; Perhaps,
Be configured to combined guided slipping type forepoling hydraulic support by three joints, wherein two joints connect and compose inside and outside self-movement unit, another joint support constitutes inside and outside self-movement unit separately, is articulated and connected by described passing jack (17) between the base of these two moving cells.
10. combined guided slipping type forepoling hydraulic support according to claim 9, it is characterized in that: described headstock pull body comprises drawing and moves jack (243), passes crossbeam (242) and pusher rod (241), one end of this pusher rod (241) is articulated in the front end of the interior support unit (36) of the described headstock, and the other end is articulated in one and passes crossbeam (242); Pass jack (243) one ends and be articulated in passing crossbeam (242), the other end is articulated in the headstock (32) of outer support unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810118638XA CN101338684B (en) | 2008-08-20 | 2008-08-20 | Combined guided slipping type forepoling hydraulic support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810118638XA CN101338684B (en) | 2008-08-20 | 2008-08-20 | Combined guided slipping type forepoling hydraulic support |
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| CN101787894A (en) * | 2010-03-19 | 2010-07-28 | 中煤北京煤矿机械有限责任公司 | Guide rod type foresupport with large inclined angle working surface |
| CN101864972A (en) * | 2010-06-04 | 2010-10-20 | 中煤北京煤矿机械有限责任公司 | Small supporting point full-protection-type tunnel bracket and supporting method thereof |
| 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 |
| CN101644162B (en) * | 2009-08-04 | 2011-07-06 | 山西东华机械有限公司 | Self-circulation type advanced hydraulic support |
| CN102220873A (en) * | 2011-05-12 | 2011-10-19 | 山西潞安环保能源开发股份有限公司常村煤矿 | Walking type anchor protecting all-in-one machine of front and rear gantry frame |
| CN102748055A (en) * | 2012-07-18 | 2012-10-24 | 沈阳天安矿山机械科技有限公司 | Circulation advancing type forepoling support |
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| CN104555777A (en) * | 2014-12-13 | 2015-04-29 | 中国煤炭科工集团太原研究院有限公司 | Novel supporting device of coal mine consecutive winch |
| CN105041357A (en) * | 2015-08-20 | 2015-11-11 | 天地科技股份有限公司 | Monorail hoisting tail-to-head-type advance support system |
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| CN108756984A (en) * | 2018-07-03 | 2018-11-06 | 唐忠义 | Advance timbering and erosion control advance timbering system |
| CN109441497A (en) * | 2018-12-24 | 2019-03-08 | 永城煤电控股集团有限公司 | Without support advance support repeatedly, carry complete set of equipments and method for carrying |
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| CN110645035A (en) * | 2019-10-31 | 2020-01-03 | 永城煤电控股集团有限公司 | Sliding top beam forepoling |
| CN111472826A (en) * | 2020-03-12 | 2020-07-31 | 山东东山古城煤矿有限公司 | Hydraulic prop for caving coal end |
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| CN101787894A (en) * | 2010-03-19 | 2010-07-28 | 中煤北京煤矿机械有限责任公司 | Guide rod type foresupport with large inclined angle working surface |
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| CN102220873A (en) * | 2011-05-12 | 2011-10-19 | 山西潞安环保能源开发股份有限公司常村煤矿 | Walking type anchor protecting all-in-one machine of front and rear gantry frame |
| CN102748055A (en) * | 2012-07-18 | 2012-10-24 | 沈阳天安矿山机械科技有限公司 | Circulation advancing type forepoling support |
| CN102943679A (en) * | 2012-11-01 | 2013-02-27 | 中煤北京煤矿机械有限责任公司 | Hydraulic bracket and outer bottom adjusting mechanism of hydraulic bracket |
| CN102943679B (en) * | 2012-11-01 | 2015-06-03 | 中煤北京煤矿机械有限责任公司 | Hydraulic bracket and outer bottom adjusting mechanism of hydraulic bracket |
| CN104555777A (en) * | 2014-12-13 | 2015-04-29 | 中国煤炭科工集团太原研究院有限公司 | Novel supporting device of coal mine consecutive winch |
| CN104555777B (en) * | 2014-12-13 | 2017-04-19 | 中国煤炭科工集团太原研究院有限公司 | Novel supporting device of coal mine consecutive winch |
| CN105041357A (en) * | 2015-08-20 | 2015-11-11 | 天地科技股份有限公司 | Monorail hoisting tail-to-head-type advance support system |
| CN106968699A (en) * | 2017-05-05 | 2017-07-21 | 李信斌 | A kind of townhouse formula roof timbering equipment |
| CN108547651A (en) * | 2018-06-11 | 2018-09-18 | 山东天晟机械装备股份有限公司 | A kind of advanced hydraulic support with tunneling boring protection erosion control effect |
| CN108547651B (en) * | 2018-06-11 | 2023-12-19 | 山东天晟机械装备股份有限公司 | Advanced hydraulic support with full-section protection and anti-impact effects |
| CN108756984A (en) * | 2018-07-03 | 2018-11-06 | 唐忠义 | Advance timbering and erosion control advance timbering system |
| CN109441497A (en) * | 2018-12-24 | 2019-03-08 | 永城煤电控股集团有限公司 | Without support advance support repeatedly, carry complete set of equipments and method for carrying |
| CN109441497B (en) * | 2018-12-24 | 2024-01-30 | 永城煤电控股集团有限公司 | Complete equipment for advanced support and transportation without repeated support and transportation method |
| CN110259496A (en) * | 2019-06-14 | 2019-09-20 | 龙口矿业集团有限公司 | A kind of driving frame |
| CN110645035A (en) * | 2019-10-31 | 2020-01-03 | 永城煤电控股集团有限公司 | Sliding top beam forepoling |
| CN111472826A (en) * | 2020-03-12 | 2020-07-31 | 山东东山古城煤矿有限公司 | Hydraulic prop for caving coal end |
| CN112177654B (en) * | 2020-09-30 | 2023-09-26 | 四川华蓥山龙滩煤电有限责任公司 | Mining face end head and crossheading advanced self-moving supporting method |
| CN112177654A (en) * | 2020-09-30 | 2021-01-05 | 四川华蓥山龙滩煤电有限责任公司 | Mining face end and crossheading advance self-moving supporting method |
| CN112302698A (en) * | 2020-10-28 | 2021-02-02 | 贵州理工学院 | Folding hydraulic tunnel supporting device convenient to carry |
| CN113513350A (en) * | 2021-05-31 | 2021-10-19 | 天津鹏程誉泰液压支架有限公司 | Support with rotatable guide rod and automatic reset function |
| CN113339026A (en) * | 2021-06-25 | 2021-09-03 | 中国矿业大学 | Special-shaped roadway advance support method and advance hydraulic support |
| CN113882889A (en) * | 2021-11-01 | 2022-01-04 | 安徽理工大学 | Head-tail interactive sliding type anchor support integrated equipment and control method |
| CN113882889B (en) * | 2021-11-01 | 2024-02-27 | 安徽理工大学 | Head-tail interactive sliding type anchor support integrated equipment and control method |
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