CN101555800B - Compound front beam hydraulic support and applications thereof - Google Patents
Compound front beam hydraulic support and applications thereof Download PDFInfo
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- CN101555800B CN101555800B CN2009100833353A CN200910083335A CN101555800B CN 101555800 B CN101555800 B CN 101555800B CN 2009100833353 A CN2009100833353 A CN 2009100833353A CN 200910083335 A CN200910083335 A CN 200910083335A CN 101555800 B CN101555800 B CN 101555800B
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- axle beam
- back timber
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Abstract
The invention discloses a compound front beam hydraulic support and applications thereof. The support comprises a top beam and a compound front beam assembly articulated at the front part of the top beam. The compound front beam assembly comprises a front beam body connected with the top beam in an articulated manner, an inner telescopic beam, a tipping type sprag unit and the like. Two sides of the front beam and two sides of the top beam are respectively provided with movable side protecting devices that can lead to good seal among supports; and a vertical suspension device is arranged between the rear end of the front beam and the front end of the top beam, which can cause the front beam to remain in vertical suspension state, effectively lessen dimension and facilitate transportation. The compound front beam is particularly applicable to mining of comprehensive mechanical coal working face of smashed top plates and soft coal seams, and not only has the functions of protecting roof in time and preventing roof leakage before the support, but also has the functions of protecting sprag and preventing wall caving of a coal wall as well as the functions of sealing among supports and preventing roof leakage among supports, and can play a good role in supporting the top plates of the coal working face.
Description
Technical field
The present invention relates to support apparatus under a kind of coal mine, relate in particular to a kind of compound front beam hydraulic support and application thereof.
Background technology
Hydraulic support is a fully-mechanized mining support apparatus commonly used under the coal mine.
Hydraulic support of the prior art comprises back timber, and back timber is hinged with front-axle beam, and front-axle beam can be with structures such as extensible canopy and wall supporting, can adapt to top board preferably, has the function of immediate support and wall supporting.
There is following shortcoming at least in above-mentioned prior art:
Under the condition of breaking roof, there is not sealing device between front-axle beam place frame, often waste coal is serious, has greatly influenced operating personnel's working environment, even threatens staff's personal safety;
In addition, when still not reaching the transportation lengths of requirement behind the front-axle beam bottom, have only the mode that adopts front-axle beam to disassemble, increased the dismounting operation, increased expense, reduced efficient.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can play support action, the compound front beam hydraulic support that can conveniently transport again and application thereof preferably.
The objective of the invention is to be achieved through the following technical solutions:
Compound front beam hydraulic support of the present invention comprises back timber, and the front portion of described back timber is hinged with front-axle beam, is provided with the front-axle beam jack between described back timber and the front-axle beam, and the both sides or a side of the both sides of described front-axle beam or a side and back timber are respectively equipped with the active side protection unit; Be provided with the vertical hanging device between the rear end of described front-axle beam and the front end of described back timber.
Above-mentioned compound front beam hydraulic support of the present invention is applied to the fully-mechanized mining working in breaking roof or soft seam colliery, also can be applied to the fully-mechanized mining working in conventional top board and conventional coal seam.
As seen from the above technical solution provided by the invention, compound front beam hydraulic support of the present invention and application thereof, because the both sides of front-axle beam or the both sides or a side of a side and back timber are respectively equipped with the active side protection unit, can make good sealing is arranged between frame, when being applied to the fully-mechanized mining working in breaking roof or soft seam colliery, can play support action preferably
Owing to be provided with the vertical hanging device between the front end of the rear end of front-axle beam and back timber, can make front-axle beam be in the vertical hanging state again, reduce size effectively, convenient transportation.
Description of drawings
Fig. 1 is the structural representation of compound front beam hydraulic support of the present invention;
Fig. 2 is the cross-sectional view at the guide rod place of active side protection unit among the present invention;
Fig. 3 is the cross-sectional view at the thruster jack place of active side protection unit among the present invention;
Fig. 4 a is that the application state of compound front beam hydraulic support of the present invention is with reference to figure one;
Fig. 4 b is that the application state of compound front beam hydraulic support of the present invention is with reference to figure two;
Fig. 4 c is that the application state of compound front beam hydraulic support of the present invention is with reference to figure three;
Fig. 4 d is that the application state of compound front beam hydraulic support of the present invention is with reference to figure four.
The specific embodiment
Compound front beam hydraulic support of the present invention, its preferable specific embodiment is, comprises back timber, and the front portion of described back timber is hinged with front-axle beam, be provided with the front-axle beam jack between described back timber and the front-axle beam, the both sides or a side of the both sides of described front-axle beam or a side and back timber are respectively equipped with the active side protection unit; Be provided with the vertical hanging device between the rear end of described front-axle beam and the front end of described back timber.
Described vertical hanging device comprises, is respectively equipped with in the corresponding position of front end of the rear end of described front-axle beam and described back timber and hangs the hole;
The hole of hanging on described front-axle beam and described back timber coincides, pack into hang bearing pin after, can remove hinging pin shaft between described front-axle beam and the back timber and the hinging pin shaft between described front-axle beam and the front-axle beam jack, make described front-axle beam be in the position of vertical hanging.
Describedly hang the below that the pin joint of described front-axle beam and described back timber is located in the hole, when described front-axle beam and back timber were in flush position, the hole of hanging on described front-axle beam and the described back timber coincided.
Described active side protection unit comprises side guard board, guide rod, thruster jack;
The front end of described side guard board and described guide rod is fixed or is articulated and connected, and the bottom or the middle part of the rear portion of described guide rod and described back timber or front-axle beam are slidingly connected;
One end of described side guard board and described thruster jack is hinged, and the other end of described thruster jack is connected with the bottom or the middle part of described front-axle beam or back timber.
Be provided with preloading spring between the rear end of described guide rod and described back timber or the front-axle beam, described preloading spring applies outside pre-thrust to described side guard board.
The front portion of described front-axle beam is provided with extensible canopy, and described extensible canopy and described front-axle beam are slidingly connected, and is provided with flexible jack between described extensible canopy and the front-axle beam.
Described extensible canopy is interior telescopic, is located at the interior or beam body bottom of beam body of described front-axle beam.
The front end of described extensible canopy is provided with the wall supporting device, and described wall supporting device comprises face guard, and the rear end of described face guard and the front end of described extensible canopy are hinged, is provided with the wall supporting jack between described face guard device and the described extensible canopy.
The rear end of described wall supporting jack with drag the seat hinged, a described front end that drags is connected with described extensible canopy;
The front end of described wall supporting jack is connected with described face guard by little quadric chain, and described little quadric chain comprises long connecting rod, short connecting rod, and an end of described long connecting rod and short connecting rod is hinged, and hinged with the front end of described wall supporting jack; The other end of described long connecting rod and described extensible canopy are hinged, and the other end of described short connecting rod and described face guard are hinged;
Described wall supporting device is one-level wall supporting device or secondary wall supporting device or three-stage side protecting device.
The application of above-mentioned compound front beam hydraulic support of the present invention, its preferable specific embodiment is, this compound front beam hydraulic support is applied to the fully-mechanized mining working in breaking roof or soft seam colliery, also can be applied to the coal mine fully-mechanized mining working of other top board conditioned disjunction coal seam conditions.
Specific embodiment:
Shown in Fig. 1, Fig. 4 a, comprise back timber 1, front-axle beam 2, extensible canopy 3, face guard 4 and side guard board 14 etc.Wherein, front-axle beam 2 is articulated and connected with back timber 1, is provided with two front-axle beam jack 10 between front-axle beam 2 and the back timber 1, is used to drive front-axle beam 2 and realizes swinging up and down the function that adapts to top board.
Shown in Fig. 1, Fig. 4 b, Fig. 4 c, in the wall supporting device, the front end of the rear end of face guard 4 and extensible canopy 3 is hinged, is provided with wall supporting jack 8 between face guard 4 and the extensible canopy 3, be used to drive face guard 4 and rotate, with the wall supporting function of realization face guard 4 and the function of temporary lining top board.
The rear end of wall supporting jack 8 with drag seat 9 hinged, drag seat 9 front ends hinged, and in front-axle beam 2 bodies, slide, thereby drive wall supporting jack 8 and face guard 4 same moved further with the motion of extensible canopy 3 with extensible canopy 3;
The front end of wall supporting jack 8 is connected by little quadric chain with face guard 4, and little quadric chain comprises long connecting rod 6, short connecting rod 5, and long connecting rod 6 is hinged with an end of short connecting rod 5, and hinged with the front end of wall supporting jack 8;
The front end of the other end of long connecting rod 6 and extensible canopy 3 is hinged, and the other end of short connecting rod 5 and face guard 4 are hinged, like this, has just formed quadric chain between long connecting rod 6, short connecting rod 5, face guard 4, the extensible canopy 3 four.
Shown in Fig. 1, Fig. 4 d, the front end of the rear end of front-axle beam 2 and back timber 1 is provided with the corresponding hole 11 of hanging, when front-axle beam 2 and back timber 1 are in flush position, install hang bearing pin after, hinging pin shaft between dismountable front-axle beam and the back timber and front-axle beam jack make front-axle beam can be in the position of vertical hanging, reduce transportation greatly and take up room, simultaneously, front-axle beam 2 is also very convenient when reinstalling.
As Fig. 2, shown in Figure 3, side guard board 14 is completely fixed also available bearing pin with guide rod 13 and fixes, and fixes with thruster jack 15 usefulness bearing pins, and the other end of thruster jack 15 is fixed in the beam body of front-axle beam 2, and thruster jack 15 driving side backplates slide along the front-axle beam top board; The other end of guide rod 13 closely contacts with preloading spring 12, and guide rod 13 plays a part guiding and supports, and side guard board is played a part to apply outside pre-thrust under the thrust of spring 12, makes between front-axle beam place frame to keep sealing state.
Among the present invention, compound front beam multiple functional, highly integrated, structure design compact in design; The front-axle beam that is connected with the back timber radial type is strong to the adaptive capacity of coal-face top board.
Front-axle beam can be the nature hang, hangs the front end at back timber, shortens the support transportation lengths; Telescopic extensible canopy in the preceding sill bolt can carry out timely and effective supporting to the top board of new exposure, prevents to leak the top before the support; Interior telescopic extensible canopy can be not capable of expansion and contraction under the state on top at set cap and front-axle beam, easy and simple to handle reliable; Before the movable side guard plate device of sill bolt, the good seal performance between support especially is adapted to the work plane of breaking roof.The wall supporting device that the two jack of preceding sill bolt reversible support, project organization is reliable, can prevent coal wall caving by wall supporting, can protect the top again and participate in playing the effect of temporary control and education frame front top plate.
Compound front beam hydraulic support of the present invention is to adopt hydraulic system to control the action of each jack.Simple in structure, easy to use, efficient is high, reliability is high, is particularly useful for the exploitation in breaking roof, soft seam colliery.
The above; only for the preferable specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (9)
1. compound front beam hydraulic support, comprise back timber, there is hinged front-axle beam the front portion of described back timber, is provided with the front-axle beam jack between described back timber and the front-axle beam, it is characterized in that the both sides or a side of the both sides of described front-axle beam or a side and back timber are respectively equipped with the active side protection unit; Be provided with the vertical hanging device between the rear end of described front-axle beam and the front end of described back timber;
Described vertical hanging device comprises, is respectively equipped with in the corresponding position of front end of the rear end of described front-axle beam and described back timber and hangs the hole;
The hole of hanging on described front-axle beam and described back timber coincides, pack into hang bearing pin after, can remove the hinging pin shaft of described front-axle beam and back timber and the hinging pin shaft of described front-axle beam and front-axle beam jack, make described front-axle beam be in the position of vertical hanging.
2. compound front beam hydraulic support according to claim 1, it is characterized in that, describedly hang the below that the pin joint of described front-axle beam and described back timber is located in the hole, when described front-axle beam and back timber were in flush position, the hole of hanging on described front-axle beam and the described back timber coincided.
3. compound front beam hydraulic support according to claim 1 is characterized in that, described active side protection unit comprises side guard board, guide rod, thruster jack;
Described side guard board is fixedlyed connected with the front end of described guide rod or is articulated and connected, and the bottom of the rear portion of described guide rod and the bottom of described back timber or front-axle beam is slidingly connected;
One end of described side guard board and described thruster jack is hinged, and the other end of described thruster jack is connected with the bottom of the bottom of described front-axle beam or back timber.
4. compound front beam hydraulic support according to claim 3 is characterized in that, is provided with preloading spring between the rear end of described guide rod and described back timber or the front-axle beam, and described preloading spring applies outside pre-thrust to described side guard board.
5. compound front beam hydraulic support according to claim 1 is characterized in that the front portion of described front-axle beam is provided with extensible canopy, and described extensible canopy and described front-axle beam are slidingly connected, and is provided with flexible jack between described extensible canopy and the front-axle beam.
6. compound front beam hydraulic support according to claim 5 is characterized in that, described extensible canopy is interior telescopic, is located at the interior or beam body bottom of beam body of described front-axle beam.
7. compound front beam hydraulic support according to claim 5, it is characterized in that, the front end of described extensible canopy is provided with the wall supporting device, described wall supporting device comprises face guard, the rear end of described face guard and the front end of described extensible canopy are hinged, are provided with the wall supporting jack between described wall supporting device and the described extensible canopy.
8. compound front beam hydraulic support according to claim 7 is characterized in that, the rear end of described wall supporting jack with drag the seat hinged, described drag the seat be connected with described extensible canopy;
The front end of described wall supporting jack is connected with described face guard by little quadric chain, and described little quadric chain comprises long connecting rod, short connecting rod, and an end of described long connecting rod and short connecting rod is hinged, and hinged with the front end of described wall supporting jack; The other end of described long connecting rod and described extensible canopy are hinged, and the other end of described short connecting rod and described face guard are hinged;
Described wall supporting device is one-level wall supporting device or secondary wall supporting device or three-stage side protecting device.
9. the application of each described compound front beam hydraulic support of claim 1 to 8 is characterized in that, this compound front beam hydraulic support is applied to the fully-mechanized mining working in breaking roof or soft seam colliery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100833353A CN101555800B (en) | 2009-04-30 | 2009-04-30 | Compound front beam hydraulic support and applications thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100833353A CN101555800B (en) | 2009-04-30 | 2009-04-30 | Compound front beam hydraulic support and applications thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101555800A CN101555800A (en) | 2009-10-14 |
| CN101555800B true CN101555800B (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100833353A Active CN101555800B (en) | 2009-04-30 | 2009-04-30 | Compound front beam hydraulic support and applications thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562150B (en) * | 2010-12-09 | 2015-03-11 | 卡特彼勒（郑州）有限公司 | Tamping mechanism for gangue filling hydraulic support |
| CN103758553A (en) * | 2013-12-05 | 2014-04-30 | 中煤北京煤矿机械有限责任公司 | Sprag beam structure for hydraulic support, and hydraulic support |
| CN103758554A (en) * | 2013-12-05 | 2014-04-30 | 中煤北京煤矿机械有限责任公司 | Reliable support beam structure for hydraulic support, and hydraulic support |
| CN113605945A (en) * | 2021-09-01 | 2021-11-05 | 中煤盘江重工有限公司 | Side guard plate of telescopic beam of hydraulic support |
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| CN101555800A (en) | 2009-10-14 |
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