CN104675421A - Multifunctional hydraulic support equipment - Google Patents
Multifunctional hydraulic support equipment Download PDFInfo
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- CN104675421A CN104675421A CN201310635496.5A CN201310635496A CN104675421A CN 104675421 A CN104675421 A CN 104675421A CN 201310635496 A CN201310635496 A CN 201310635496A CN 104675421 A CN104675421 A CN 104675421A
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- China
- Prior art keywords
- hydraulic support
- back timber
- support unit
- telescoping mechanism
- extensible canopy
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
Abstract
The invention discloses multifunctional hydraulic support equipment used for a fully-mechanized top coal caving face underground coal mine. The equipment consists of two groups of hydraulic supports and a pushing jack, wherein the two groups of hydraulic supports are arranged forwards and backwards and are of same structures, and the pushing jack is connected with the two groups of hydraulic supports; each group of hydraulic supports comprises two bases, four vertical posts, two top beams and a link mechanism respectively hinged with the corresponding base and the top beam; each group of hydraulic supports further comprises an overturning and telescoping mechanism and a bottom beam adjusting and telescoping mechanism, wherein the overturning and telescoping mechanisms are arranged at one sides of the top beams and are used for adjusting the supporting distances of the top beams according to the width of the fully-mechanized top coal caving face, and the bottom beam adjusting and telescoping mechanisms are arranged at one sides of the bases and are used for adjusting the distances between the bases and other supports. The equipment provided by the invention is simple in structure and convenient to use, 'one support having three functions' can be realized, the research and development expenditure and research and development time can be saved, the production cost can be reduced, and the proper adjustment can be carried out according to the change of the distance between face supports or the width of a roadway, therefore the universal support on the face and the roadway can be realized.
Description
Technical field
The present invention relates to underground coal mine fully-mechanized mining working surface hydraulic support field, particularly relating to and be applicable to high-dipping comprehensive extracting and caving face or press blastic deformation by ore deposit, there is the hydraulic support equipment of irregular comprehensive extracting and caving face in tunnel and parameters of mining face.
Background technology
At present, end hydraulic support of the prior art, when work plane due to be interrupted press cause top decline or rib be subjected to displacement cause before and after repeatedly occur in in-and-out change procedure, because set cap width is fixed, supporting scope cannot be adjusted, the phenomenon such as therefore often cause that coal is leaked on empty top, support clamp is extremely out of shape, passes difficult, cannot adjust between frame, very large impact is caused on normal production of the safety of coal mine work area, mechanical efficiency is caused to reduce, labor strength is excessive, and operation danger coefficient increases.Existing end hydraulic support only possesses the feature of end hydraulic support self in addition, does not possess the function of forepoling hydraulic support and end tail hydraulic support, therefore can not play the effect of " frame is multiplex ".
Summary of the invention
Object of the present invention is exactly to overcome above-mentioned shortcoming, a kind of multifunction hydraulic support unit for underground coal mine comprehensive extracting and caving face is provided, its mechanism is simple, easy to use, can realize " a kind of support, three kinds of functions ", save R & D Cost and research and development time, reduce cost of production, suitable adjustment can be carried out according to the change of the distance between force piece or span length, thus realize the tunneling boring supporting to tunnel.
For realizing above-mentioned purpose of the present invention, a kind of multifunction hydraulic support unit for underground coal mine comprehensive extracting and caving face of the present invention, to be settled by front and back and the identical two groups of hydraulic supports of mechanism and the advancing jack that connects two groups of hydraulic supports are formed, wherein, often organize hydraulic support to comprise: two bases, four root posts, two back timbers and respectively with corresponding base and the hinged linkage of back timber, wherein, often organize hydraulic support also to comprise: the upset telescoping mechanism being arranged at described back timber side, for regulating the supporting distance of described back timber according to face width, beam telescoping mechanism is adjusted, for regulating the distance between described base and other support in the end being arranged at described base side.
Wherein, described upset telescoping mechanism comprises: the flip beam hinged with the described side of described back timber, and it can overturn by relatively described back timber; To be arranged on described flip beam and relatively it can to carry out the telescopic component of stretching motion, for regulating the supporting distance of described flip beam.
Preferably, described telescopic component comprises: to be arranged in described flip beam and relatively it can to carry out the extensible canopy of stretching motion; Drive extensible canopy relatively described flip beam to carry out the extensible canopy jack of stretching motion, one end of its one end and described extensible canopy is hinged, its other end and described back timber hinged.
Further, also comprise be arranged at described back timber opposite side protect top telescoping mechanism, for regulating the space of the sky top operation between described two back timbers.
Wherein, protect top telescoping mechanism described in comprise: what be connected with described back timber opposite side protects back timber; Be arranged on and protect on back timber and relatively it can carry out the casing extensible canopy of stretching motion; Drive case extensible canopy protects the casing extensible canopy jack that back timber carries out stretching motion relatively.
Wherein, the described end, adjusts beam telescoping mechanism to comprise: beam jack is adjusted at the end that its side is fixedly connected with the end of described base; Beam is adjusted at the end of adjusting the other end of beam jack to be fixedly connected with the end of with.
Further, the described end, adjusts beam telescoping mechanism also to comprise: being arranged on the guide peg between described base and tune beam of the described end, adjusting the telescopic direction of beam for guiding the described end.
Further, what also comprise the described side that is arranged on described back timber it folding can protect top board relatively.
Further, what also comprise the front end face being arranged on described back timber or rear end face it folding can protect top board relatively.
Wherein, the distance regulating mechanism being positioned at and protecting below the telescoping mechanism of top is provided with between every two corresponding back timbers of described two groups of hydraulic supports, for changing the spacing of two back timbers according to roadway shape.
Preferably, described distance regulating mechanism is for adjusting frame jack, and its two ends are hinged with described two corresponding back timbers respectively.
Compared with prior art, multifunction hydraulic support unit of the present invention has following beneficial effect:
1) structure of two groups of hydraulic supports of multifunction hydraulic support unit of the present invention is identical, and function is identical, on the one hand, makes the parts of formation two groups of hydraulic supports have homogeneity, is convenient to overall exchange and uses; On the other hand, multifunction hydraulic support unit of the present invention can be made to have the function of " support unit; three kinds of purposes ", switch transition can be carried out between termination and end tail two kinds of hydraulic supports, and can advance support rack be used as, thus solve same coal mine fully-mechanized mining top-coal caving face and need to design end hydraulic support, end tail hydraulic support and the problem of advance support rack three kinds of model supports simultaneously, save R & D Cost and research and development time, reduce cost of production;
2) the present invention often organizes hydraulic support and comprises upset telescoping mechanism, it has flip beam and extensible canopy, thus can according to the distance change between force piece or the change of span length, the state of in good time adjustment flip beam and extensible canopy, thus the supporting solved when to there is empty top between support or close, reduce the object of empty top working space;
3) hydraulic support of often organizing of the present invention comprises end tune beam telescoping mechanism, it is by regulating the extension elongation of end tune beam jack piston rod, the end can be regulated to adjust the distance of beam respect thereto, thus reach the object of the spacing of adjusting base and other support, or avoid helping diminishing of rear working space;
4) hydraulic support of often organizing of the present invention comprises and protects top telescoping mechanism, it is by regulating the extension elongation of casing extensible canopy jack piston rod, the relative distance that can regulate casing extensible canopy and protect between back timber, thus the problem that can solve the sky top working space between reduction two back timbers separated;
5) of the present invention often organize hydraulic support to be included in before two back timbers or below and three that arrange respectively near rib side protect top board, protect top board when doing termination or end tail hydraulic support, can play and put the effect that coal protects top, when being used as advance support rack, the effect protecting top further can be played;
6) hydraulic support of often organizing of the present invention comprises distance regulating mechanism, it coordinates the casing extensible canopy jack protected in the telescoping mechanism of top, the spacing of two back timbers can be changed according to roadway shape, thus make hydraulic support occur small trapezoid or inverted trapezoidal change, to realize the tunneling boring supporting in tunnel.
Below in conjunction with accompanying drawing, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the front view of multifunction hydraulic support unit of the present invention when being used as end hydraulic support;
Fig. 2 is the left side view of the support unit of multifunction hydraulic shown in Fig. 1;
Fig. 3 is the top view of the support unit of multifunction hydraulic shown in Fig. 1;
Fig. 4 is the front view that multifunction hydraulic support unit of the present invention is used as when holding tail hydraulic support;
Fig. 5 is the schematic diagram of multifunction hydraulic support unit of the present invention when being in end hydraulic support duty;
Fig. 6 is the schematic diagram that multifunction hydraulic support unit of the present invention is in when holding tail washings pressure support duty;
Fig. 7 is the schematic diagram of multifunction hydraulic support unit of the present invention when being in advance support rack duty.
Description of reference numerals: 1-base; 2-column; 3-linkage; 4,6-protects top board; 5-back timber; 7-advancing jack; 8-extensible canopy; 9-flip beam; 10-protects back timber; 11-casing extensible canopy; 12-adjusts frame jack; Beam jack is adjusted at the bottom of 13-; 15-guide peg; 16-extensible canopy jack; 17-flip beam jack; Beam is adjusted at the bottom of 18-; 19-casing extensible canopy jack; 20-sleeper; 21-head transition frame; 22-tail transition frame; 23-rib.
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3 shows, be respectively the front view of the multifunction hydraulic support unit for underground coal mine comprehensive extracting and caving face of the present invention, left side view and top view, wherein, top view is the mechanism of overlooking below back timber.
As shown in Figure 2, multifunction hydraulic support unit of the present invention is settled before and after comprising and identical two groups of hydraulic supports of structure and connect the advancing jack 7 of two groups of hydraulic supports.Wherein, as seen from Figure 1, Figure 2, often organize hydraulic support to comprise: base, column 2, back timber and respectively with base and the hinged linkage 3 of back timber, in addition, often organize hydraulic support also to comprise: the upset telescoping mechanism being arranged at back timber side, for regulating the supporting distance of back timber according to face width; Be arranged at and protect top telescoping mechanism, for regulating the space of the sky top operation between two groups of hydraulic support top beams in the middle part of back timber opposite side; Beam telescoping mechanism is adjusted, for the distance between adjusting base and other support in the end being arranged at base side.
Wherein, column 2 of the present invention is lifting jack, and it can regulate the height between back timber and base, makes back timber and roof close contact, prevents from crushing across falling, thus reaches supporting
object; Before and after two groups of hydraulic supports settling connected as one by advancing jack 7, thus reached by advancing jack 7 flexible that the hydraulic support be positioned at below promotes to be positioned at hydraulic support above, hydraulic support above pulls hydraulic support below progressively to pass the effect of advance; Upset telescoping mechanism can add the width of crown, thus can regulate the supporting distance of back timber according to face width; Protect the space that top telescoping mechanism can regulate the sky top operation between two groups of hydraulic support top beams; And the end, adjusts beam telescoping mechanism can distance between adjusting base and other support.
The structure of two groups of hydraulic supports of multifunction hydraulic support unit of the present invention is identical, and function is identical, on the one hand, makes the parts of formation two groups of hydraulic supports have homogeneity, is convenient to overall exchange and uses; On the other hand, multifunction hydraulic support unit of the present invention can be made to have the function of " support unit; multiple use ", ensure the switch transition between termination and end tail two kinds of supports, and can advance support rack be used as, thus solve same coal mine fully-mechanized mining top-coal caving face and need to design end hydraulic support, end tail hydraulic support and the problem of advance support rack three kinds of model supports simultaneously, save R & D Cost and research and development time, reduce cost of production.
Lower mask body introduces the mechanism often organizing hydraulic support in multifunction hydraulic support unit of the present invention, it should be noted that, the noun of locality of the front, rear, left and right of indication in the present invention, for when putting the position of multifunction hydraulic support unit, its front view as shown in Figure 1 time each parts place relative position.
Wherein, as shown in Figure 1, the base that the present invention often organizes hydraulic support comprises two bases 1a, 1b of left and right located side by side, and in two groups of hydraulic supports, two bases of one group of hydraulic support are in the separated position do not connected, and two bases of another group hydraulic support are integrated (not shown) by pinned connection.Often organizing setting above two bases of hydraulic support two back timber 5a, the 5bs corresponding respectively with the position of two bases 1a, 1b, the rear and front end of back timber 5a and the rear and front end of the base 1a corresponding with it connect as one respectively by linkage 3, equally, the rear and front end of back timber 5b and the rear and front end of the base 1b corresponding with it connect as one respectively by linkage 3.Two bases 1a, 1b are respectively provided with two root posts 2, and each back timber supports by two root posts 2 top being positioned at corresponding base respectively.
Wherein, as shown in Figure 1, the upset telescoping mechanism for regulating bar timbering distance according to face width is provided with in the side (outboard end that namely two back timbers are opposing) of each back timber, it comprises: the flip beam 9 hinged with the described side of back timber, it can overturn by back timber relatively, thus regulate the supporting distance of back timber, and the plumbness (as shown in phantom in Figure 1) of level or the falling 90 ° of playing can be placed according to the needs protecting top when overturning, wherein, level refers to the state parallel with back timber upper surface.Further, upset telescoping mechanism also comprises and is arranged on flip beam 9 and relatively it can carries out the telescopic component of stretching motion, and telescopic component is by the supporting distance of stretching motion adjustment flip beam 9.
Preferably, telescopic component comprises: to be arranged in flip beam 9 and relatively it can to carry out the extensible canopy 8 of stretching motion; The relative flip beam 9 of extensible canopy 8 is driven to carry out the extensible canopy jack 16 of stretching motion, the piston rod of its one end and one end of extensible canopy 8 hinged, the cylinder body of its other end and back timber or flip beam 9 hinged, stretching out or retracting by piston rod, drive extensible canopy 8 towards away from or move near the direction of flip beam 9.
When arranging extensible canopy 8 with flip beam 9, can arrange chute in flip beam 9, and extensible canopy 8 is placed in chute, under the effect of extensible canopy jack 16, extensible canopy 8 can move around along the chute of flip beam 9.Certainly, when extensible canopy 8 is set with flip beam 9, other mode also can be adopted in prior art.And in order to make flip beam 9 play or fall after rise, the lower end of flip beam 9 is provided with flip beam jack 17, as shown in Figure 1, the cylinder body of flip beam jack 17 is articulated with on back timber, piston rod and flip beam 9 bottom of flip beam jack 17 are hinged, thus pass through the stretching motion of flip beam jack 17, realize playing and falling of flip beam 9.
When distance appearance when between force piece becomes greatly or span length occurs increasing, by playing the flip beam of each back timber side, further supporting when appearance between support is empty pushes up can be solved or close, reaching the object reducing sky top working space.When above-mentioned span length increases further, extensible canopy 8 can be made to stretch out in flip beam 9(as shown in phantom in Figure 1 by strengthening the extension elongation of extensible canopy jack 17 piston rod), thus reach further supporting or close empty object of pushing up operating area; Otherwise, then regain extensible canopy 8 or flip beam 9 fallen after rise.
Wherein, as shown in Figure 1, at each base
beam telescoping mechanism is adjusted at the end that side (outboard end that namely two bases are opposing) is provided with for the spacing of adjusting base and other support, and it comprises: beam jack 13 is adjusted at the end that the cylinder body of its one end is fixedly connected with described one end of base; Beam 18 is adjusted at the end of adjusting the piston rod of beam jack 13 other end to be fixedly connected with the end of with.When the end adjusts the piston rod of beam jack 13 to stretch out (as shown in phantom in Figure 1), the end is driven to adjust beam 18 to move along the direction away from base, thus the distance between enlarged base and adjacent members.Further, as shown in Figure 3, the end, adjusts beam telescoping mechanism also to comprise: be arranged on the guide peg 15 adjusting the telescopic direction of beam 18 respect thereto for guiding the end between base and end tune beam 18.
By the extension elongation regulating the end to adjust beam jack 13 piston rod, the end can be regulated to adjust the distance of beam 18 respect thereto, thus reach the object of the spacing of adjusting base and other support.Such as: multifunction hydraulic equipment of the present invention is when doing end tail hydraulic support, the tune frame effect between adjacent stent can be played, and, as termination, end tail or advance support rack time, can, by passing sleeper 20 or the change of other supplies control coal side, reduce to help diminishing of rear working space when coal side presses as far as possible.
Further, as shown in Figure 1, of the present invention often organize hydraulic support also comprise be arranged on one or two back timber opposite side (i.e. two back timbers medial extremity in opposite directions) middle part for regulate the sky top working space between two back timbers protect top telescoping mechanism (only illustrate in Fig. 1 a back timber opposite side arrange protect push up telescoping mechanism), it comprises: what be connected with in the middle part of back timber 5a opposite side protects back timber 10; Be arranged on and protect on back timber 10 and relatively it can carry out the casing extensible canopy 11 of stretching motion; Drive case extensible canopy 11 protects the casing extensible canopy jack 19 that back timber 10 carries out stretching motion relatively.
Wherein, when back timber 10 is protected in setting, can back timber 10 be protected be fixedly mounted on the described opposite side of back timber, and arrange protecting in back timber 10
chute, thus when the piston rod of casing extensible canopy jack 19 carries out stretching motion, casing extensible canopy 11 can be driven to slide in the chute protecting back timber 10.
By regulating the extension elongation of casing extensible canopy jack 19 piston rod, the relative distance that can regulate casing extensible canopy and protect between back timber 10, thus the sky top working space between reduction two back timbers separated can be solved.Casing extensible canopy 11 is set protecting in back timber, the sky top operation between back timber can be reduced on the one hand further when the piston rod of casing extensible canopy jack 19 extends, on the other hand when change appears in drift section, multifunction hydraulic support unit of the present invention can according to the change of roadway shape, reach by regulating the flexible of frame jack 12 piston rod and make often to organize hydraulic support and occur small trapezoid change or inverted trapezoidal change, thus ensure the full end face supporting in tunnel.
Further, as shown in Figure 2, the present invention often organizes hydraulic support and also comprises: be arranged on the described side of each back timber can relatively back timber folding protect top board 6; And be arranged on the front end face of back timber or rear end face relatively it folding can protect top board 4.Wherein, protect top board 6 and protect top board 4 can be in the level of playing or fall 90 ° after rise plumbness according to the needs protecting top, therefore, protect top board 6 and protect the described side of top board 4 and each back timber and described front end face or rear end face and all adopt articulated manner to be connected.
In multifunction hydraulic support unit of the present invention, four that arrange respectively before and after the back timber of two groups of hydraulic supports being protected top board when doing termination or end tail hydraulic support, can play and put the effect that coal protects top; The effect protecting top further can be played when being used as advance support rack.
In addition, as shown in Figure 1, the present invention often organizes hydraulic support and also comprises: to be arranged between two back timbers and be positioned at protect below the telescoping mechanism of top, for changing the distance regulating mechanism of the spacing of two back timbers according to roadway shape, it is for adjusting frame jack 12, and its two ends respectively back timber corresponding to two are hinged.
By regulating the extension elongation of frame jack 12 piston rod, the distance between two back timbers can be regulated, namely the distance between four root posts for supporting two back timbers can be regulated, coordinate the stretching motion of casing extensible canopy jack 19 piston rod, thus make often to organize hydraulic support two bases, occur between four root posts and two back timbers that small trapezoid or inverted trapezoidal change, thus realize the full end face supporting in tunnel.
Be specifically described for the course of work of multifunction hydraulic support unit of the present invention when being used as different support below.
Embodiment 1
As shown in Figure 5, be schematic diagram when multifunction hydraulic support unit of the present invention is as shown in Figure 1 in the duty of end hydraulic support.
When multifunction hydraulic support unit is used as end hydraulic support, on the one hand, it possesses the function of traditional underground coal mine comprehensive extracting and caving face end hydraulic support, on the other hand, its exploitation along with work plane advances, can change in displacement be there is according to each support of work plane and cause the situation of change of sky top in various degree and the roof cracking order of severity to adjust in good time, thus reach the effect of omnibearing supporting and tune frame, specific as follows.
1), when the spacing L between end hydraulic support and head transition bracket 21 is excessive, back timber totally enclosed type and supporting can be ensured by playing flip beam 9 and extending extensible canopy 8; When spacing reduces, fall flip beam 9 after rise and regain extensible canopy 8, avoiding support sting frame or mutually interfere.
2) when work plane to press etc. cause distance pitch smaller on the right side of rib 23 and end hydraulic support time, upper end can regulate supporting distance by the falling of flip beam 9, lower end can adjust beam 18 to pass the displacement that sleeper 20 etc. reduces rib by extending the end, ensure that end hydraulic support is not dead by folder, to guarantee that the continuous production of work plane advances.
3) protect back timber 10 and casing extensible canopy 11 and can play to back timber the effect protecting top leakproof.
Embodiment 2
As shown in Figure 6, be schematic diagram when multifunction hydraulic support unit of the present invention is as shown in Figure 4 in the duty of the end tail hydraulic support of large inclination working surface.
When multifunction hydraulic support unit is used as end tail hydraulic support, when there is random change and need subtract frame or increase frame in work plane width, it is in structure and functionally play by elongating or shortening back timber the effect increasing frame or subtract frame, work plane so both can have been avoided to occur empty top operation, the end can be utilized again to adjust beam to reach tune frame effect between work plane adjacent stent, specific as follows.
1) two groups, the front and back hydraulic support due to multifunction hydraulic support unit of the present invention is structurally all identical, therefore at same fully-mechanized mining working, after this support unit being used as end hydraulic support is regulated the angle of 180 °, just can be used as end tail hydraulic support and use.
2) when face width becomes large, the spacing L between end tail hydraulic support and tail transition bracket 6 increases, and can reduce spacing L, to realize the totally-enclosed of back timber and supporting as far as possible at any time by boosting flip beam 9 and stretching out extensible canopy 8; When spacing reduces, fall flip beam 9 after rise and regain extensible canopy 8, avoiding support sting frame or mutually interfere.
3) when work plane to press etc. cause distance pitch smaller on the left of rib 23 and end tail hydraulic support time, upper end can regulate supporting distance by the falling of flip beam 9, lower end can adjust beam 18 to pass the displacement that sleeper 20 etc. reduces rib by extending the end, ensure that end tail hydraulic support is not dead by folder, to guarantee that the continuous production of work plane advances.
4) end on the right side of tail hydraulic support is held to adjust beam 18 to regulate displacement between the two and mutual alignment according to the spacing between end tail hydraulic support and tail transition bracket 6.
Embodiment 3
As shown in Figure 7, be schematic diagram when multifunction hydraulic support unit of the present invention is in the duty of advance support rack.
Underground coal mine comprehensive extracting and caving face two export tunnel need to do advance support owing to press etc. time, multifunction hydraulic support unit of the present invention can be used as advance support rack.
1) when span length becomes large or when pressing, the upper end of advance support rack can ensure back timber totally enclosed type and supporting by playing flip beam 9 and extending extensible canopy 8; Otherwise, fall after rise and regain.And the both sides, lower end of advance support rack can adjust beam 18 to pass the displacement that sleeper 20 etc. reduces rib 23 by extending the end, ensure that advance support rack is not dead by folder, to guarantee that the continuous production of work plane advances.
2) due in two groups of hydraulic supports, two bases of one group of hydraulic support separate, two bases of another group hydraulic support are by arranging hinge hole at position of center line and adopting pinned connection to become as a whole, when therefore pressing drift section to occur change in tunnel, frame jack 12 can be adjusted to realize small trapezoid or the support pattern of inverted trapezoidal by stretching: when regaining casing extensible canopy 11 and when shrinking tune frame jack 12 piston rod, hydraulic support can form small trapezoid supporting; When stretching out casing extensible canopy 11 and stretch out when adjusting frame jack 12 piston rod, hydraulic support can form inverted trapezoidal supporting, thus effect casing extensible canopy 11 being reached protect topmast further and protect.
Although be explained in detail the present invention above; but the present invention is not limited thereto; those skilled in the art can principle according to the present invention modify, and therefore, all various amendments carried out according to principle of the present invention all should be understood to fall into protection scope of the present invention.
Claims (10)
1. the multifunction hydraulic support unit for underground coal mine comprehensive extracting and caving face, to be settled by front and back and the identical two groups of hydraulic supports of structure and the advancing jack (7) that connects two groups of hydraulic supports are formed, wherein, often organize hydraulic support to comprise: two bases, four root posts (2), two back timbers and respectively with corresponding base and the hinged linkage (3) of back timber, it is characterized in that, often organize hydraulic support and also comprise:
Be arranged at the upset telescoping mechanism of described back timber side, for regulating the supporting distance of described back timber according to face width;
Beam telescoping mechanism is adjusted, for regulating the distance between described base and other support in the end being arranged at described base side.
2. multifunction hydraulic support unit according to claim 1, is characterized in that, described upset telescoping mechanism comprises:
With described one of described back timber
hinged flip beam (9), it can overturn by relatively described back timber;
Be arranged at described flip beam (9) go up and relatively it can carry out the telescopic component of stretching motion, for regulating the supporting distance of described flip beam (9).
3. multifunction hydraulic support unit according to claim 2, is characterized in that, described telescopic component comprises:
To be arranged in described flip beam (9) and relatively it can to carry out the extensible canopy (8) of stretching motion;
Drive extensible canopy (8) relatively described flip beam (9) to carry out the extensible canopy jack (17) of stretching motion, one end of its one end and described extensible canopy (8) is hinged, its other end and described back timber hinged.
4. multifunction hydraulic support unit according to claim 1, is characterized in that, also comprise be arranged at described back timber opposite side protect top telescoping mechanism, for regulating the space of the sky top operation between described two back timbers.
5. multifunction hydraulic support unit according to claim 1, is characterized in that, the described end adjusts beam telescoping mechanism to comprise:
Beam jack (13) is adjusted at the end that its one end is fixedly connected with the end of described base;
Beam (18) is adjusted at the end of adjusting the other end of beam jack (13) to be fixedly connected with the end of with.
6. multifunction hydraulic support unit according to claim 5, is characterized in that, the described end adjusts beam telescoping mechanism also to comprise:
Being arranged on the guide peg (15) at described base and tune beam of the described end (18), adjusting the telescopic direction of beam (18) for guiding the described end.
7. multifunction hydraulic support unit according to claim 1, is characterized in that, what also comprise the described side being arranged on described back timber it folding can protect top board (6) relatively.
8. multifunction hydraulic support unit according to claim 1, is characterized in that, also comprises before being arranged on described back timber
face or rear end face relatively it folding can protect top board (4).
9. multifunction hydraulic support unit according to claim 1, it is characterized in that, the distance regulating mechanism being positioned at and protecting below the telescoping mechanism of top is provided with, for changing the spacing of two back timbers according to roadway shape between every two corresponding back timbers of described two groups of hydraulic supports.
10. multifunction hydraulic support unit according to claim 4, is characterized in that, described in protect top telescoping mechanism comprise:
What be connected with described back timber opposite side protects back timber (10);
Be arranged on and protect on back timber (10) and relatively it can carry out the casing extensible canopy (11) of stretching motion;
Drive case extensible canopy (11) protects the casing extensible canopy jack (19) that back timber (10) carries out stretching motion relatively.
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| CN201310635496.5A CN104675421A (en) | 2013-11-29 | 2013-11-29 | Multifunctional hydraulic support equipment |
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| CN201310635496.5A CN104675421A (en) | 2013-11-29 | 2013-11-29 | Multifunctional hydraulic support equipment |
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| CN104675421A true CN104675421A (en) | 2015-06-03 |
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| CN105626116A (en) * | 2016-03-15 | 2016-06-01 | 郑州四维矿业机械有限责任公司 | Fully mechanized coal mining face support device and end support thereof |
| CN107288667A (en) * | 2017-08-25 | 2017-10-24 | 华电郑州机械设计研究院有限公司 | Ejection device is protected in a kind of unfolding wing type extensible canopy side |
| CN107503782A (en) * | 2017-10-12 | 2017-12-22 | 辽宁鑫丰矿业（集团）有限公司 | Suspension device and its application method |
| CN107916949A (en) * | 2017-12-22 | 2018-04-17 | 兖矿东华重工有限公司 | A kind of face end hydraulic support |
| CN109026089A (en) * | 2018-07-13 | 2018-12-18 | 安徽南方煤矿机械有限公司 | A kind of non-planar hydraulic support of supporting surface |
| CN109653783A (en) * | 2018-12-28 | 2019-04-19 | 刘志伟 | A kind of mine hole arrangement holding device |
| CN110067584A (en) * | 2019-06-05 | 2019-07-30 | 中煤北京煤矿机械有限责任公司 | The column dual bit devices of slippage bracket |
| 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 |
| CN111608576A (en) * | 2020-05-28 | 2020-09-01 | 山东得知科技发展有限公司 | Punching equipment and punching method for agricultural sowing |
| CN112855240A (en) * | 2021-03-23 | 2021-05-28 | 三一重型装备有限公司 | Sliding structure and hydraulic support |
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| CN107916949A (en) * | 2017-12-22 | 2018-04-17 | 兖矿东华重工有限公司 | A kind of face end hydraulic support |
| CN109026089A (en) * | 2018-07-13 | 2018-12-18 | 安徽南方煤矿机械有限公司 | A kind of non-planar hydraulic support of supporting surface |
| CN109653783A (en) * | 2018-12-28 | 2019-04-19 | 刘志伟 | A kind of mine hole arrangement holding device |
| CN110067584A (en) * | 2019-06-05 | 2019-07-30 | 中煤北京煤矿机械有限责任公司 | The column dual bit devices of slippage bracket |
| 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 |
| CN111608576A (en) * | 2020-05-28 | 2020-09-01 | 山东得知科技发展有限公司 | Punching equipment and punching method for agricultural sowing |
| CN111608576B (en) * | 2020-05-28 | 2022-04-26 | 山东得知科技发展有限公司 | Punching equipment and punching method for agricultural sowing |
| CN112855240A (en) * | 2021-03-23 | 2021-05-28 | 三一重型装备有限公司 | Sliding structure and hydraulic support |
| CN113339026A (en) * | 2021-06-25 | 2021-09-03 | 中国矿业大学 | Special-shaped roadway advance support method and advance hydraulic support |
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Application publication date: 20150603 |