CN2787833Y - Hydraulic support for fully-mechanized top-coal caving face end - Google Patents
Hydraulic support for fully-mechanized top-coal caving face end Download PDFInfo
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- CN2787833Y CN2787833Y CN 200420098308 CN200420098308U CN2787833Y CN 2787833 Y CN2787833 Y CN 2787833Y CN 200420098308 CN200420098308 CN 200420098308 CN 200420098308 U CN200420098308 U CN 200420098308U CN 2787833 Y CN2787833 Y CN 2787833Y
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Abstract
The utility model relates to a hydraulic support for fully-mechanized caving face end which is in a type that two support forms one group. The hydraulic support for fully-mechanized caving face end is composed of a left support, a right support, an anti-reverse jack between the supports and a hydraulic circuit, wherein the left support and the right support are respectively composed of a front top beam, a middle top beam, a rear top beam, a front base, a middle base, a rear base, a front pillar, a middle pillar and a rear pillar. The three top beams are hinged in sequence; the front end of the front top beam is hinged with a canopy guard front beam and a jack thereof, and the rear end of the rear top beam is hinged with a shielding beam. The three bases are hinged in sequence by a front connecting base and a rear connecting base; the front end of the front base is connected with a loading mechanism, etc. by a traction jack. The top beams, the connecting rods, etc. of the left support and the right support are hinged by the anti-reverse jack. The space between the front pillar and the middle pillar and the space between the middle pillar and the rear pillar respectively adapt the width of a front drag conveyor and a rear drag conveyor and a front moving distance. The bases of the left support are provided with a side pushing jack. The utility model can implement the mechanization of the support of an end and reduce bulky manual work; the accident rate is reduced and the advance rate is raised. The utility model has the advantages of simple structure, light weight and convenient support move.
Description
Affiliated technical field
The utility model relates to comprehensive extracting and caving face support apparatus under the coal mine, particularly a kind of fully mechanized coal face end hydraulic support that is applicable to the fully mechanized coal face termination, uses with coordinative composition of equipments such as high-power large conveying quantity drag conveyor and self-moving reversed loaders.
Background technology
The fully mechanized coal face termination is the intersection of work plane and stope drift active workings, and termination district country rock is subjected to the mining influence maximum under multiple bearing pressure effect, the ore deposit is pressed and is manifested complexity, no column space is big, so the termination is the emphasis that top board is safeguarded, is again the difficult point of roof control.Especially lower end, the equipment of arranging in the district is many, and drag conveyor, self-moving reversed loader are not only the interface point of the equipment of felling and transporting before and after comprising, and are the throats of pedestrian, defeated coal, so end support is the key of decision work plane safe handling.At present, the comprehensive coal face termination adopts the yi word pattern metal hinge top beam to cooperate the hydraulic prop supporting, and not only accident rate height, and labor operation amount is big.Face end support once occurred: 1. three one group, 2. two one group, 3. one group of body frame adds one group of several the type of frame of paying, and all because of weight is too big, complex structure, move frame and can not use smoothly.Particularly with high-power coal cutter, scraper plate machine, transfer more beyond example of the supporting face end support of carrier aircraft certainly.
Summary of the invention
In order to overcome the deficiency that existing fully mechanized coal face end support labor operation amount is big, accident rate is high, the utility model provides a kind of fully mechanized coal face end hydraulic support, it can realize the mechanization of high yield large conveying quantity fully mechanized coal face end support operation, reduce the heavy manual labor of workman, reduce accident rate, improve the fltting speed of work plane; And simple in structure, in light weight, it is smooth to move frame.
The technical scheme that its technical problem that solves the utility model adopts is:
The fully mechanized coal face end hydraulic support adopts two one group pattern, mainly by left frame, right frame, about anti-down jack between frame, and hydraulic circuit constitutes.Hereinafter to be referred as face end support.
1. left frame: comprise three joint back timbers, three joint bases and corresponding three columns that are articulated between the two; Three joint back timbers are back timber in left front back timber, the left side, left back back timber; Three joint bases are base in left front base, the left side, left back base; Three columns are front column, central post, rear column.Three joint back timber orders are hinged, and the front end of left front back timber is hinged with and protects very useful left front beam in advance, and the front-axle beam jack is articulated between left front back timber and the left front beam.The rear end of left back back timber is hinged with left caving shield.Hinged between three bases by connecting the base order, be the left front base that connects between the base in left front base and the left side, be the left back base that connects between base and the left back base in the left side; Left front base front end is hinged with the passing jack, passes the jack front end and is connected with elevating conveyor by preceding connector, perhaps connects with similar support; The base of left side frame is provided with the base thruster jack of passing laterally.
2. right frame: basic identical with left frame, difference is that the base of right frame do not establish base thruster jack.
3. anti-down jack between frame: be articulated between the back timber of left frame and right frame or caving shield, the connecting rod.
4. the spacing between the spacing between front column and the central post, central post and the rear column adds that with front and rear portions drag conveyor head or tail width the reach step pitch adapts respectively.
5. hydraulic circuit: mainly form by operating valve set, hydraulic control lock, safety valve and hydraulic pressure auxiliary element.
The technical scheme that its technical problem that solves the utility model adopts can also be:
When this face end support was used for lower end, the passing jack of left and right preceding base front end was respectively by the hinged left and right preceding connector of its front end, with the corresponding connection of Connection Block of elevating conveyor left and right side increase; Spacing between spacing between front column and the central post, central post and the rear column, the width with front and rear portions drag conveyor head adds that the reach step pitch adapts respectively.Left caving shield, the left back base of left side frame, hinged with the upper and lower end of left front connecting rod, left back connecting rod respectively, constitute quadric chain; Right caving shield, right back base and right front connecting rod, the right back connecting rod of right frame are as the same.
The beneficial effects of the utility model are:
1. this support is used for the district's supporting of fully mechanized coal face termination, has bigger no column space, can the normal operation and maintenance of assurance equipment.Especially for the supporting of the big fully mechanized coal face lower end of high yield, can with the supporting well uses of equipment such as the front and rear portions drag conveyor of high-power large conveying quantity and self-moving reversed loader.
2. realize the end support mechanization of operation, reduce workman's heavy manual labor, reduce accident rate, improve the fltting speed of work plane, realize fully mechanized coal face safety high-yield and high-efficiency.
3. simple in structure, in light weight, it is convenient, safe and reliable to move frame.
Description of drawings
Fig. 1 is the structural representation front view of the utility model fully mechanized coal face end hydraulic support
Fig. 2 is the structural representation vertical view of the base portion of Fig. 1
Fig. 3 is the A--A sectional view of Fig. 1
Fig. 4 is the B--B sectional view of Fig. 1
Among the figure: 1, a 2-left side, right front beam, 3, a 4-left side, right front back timber, 5, a 6-left side, back timber in the right side, 7, a 8-left side, right back back timber, 9, a 10-left side, right caving shield, 11, a 12-left side, right front connecting rod, 13, a 14-left side, right back connecting rod, 15, a 16-left side, right back base, 17, a 18-left side, right back connection base, 19, a 20-left side, base in the right side, 21, a 22-left side, right front connection base, 23, a 24-left side, right front base, 25-base thruster jack, 26-passes jack, 27, a 28-left side, right front connector, 29-front-axle beam jack, the 30-front column, the 31-operating valve set, 32-central post, 33-rear column, anti-down jack before the 34-, 35-rear defence pawl top, 36-connector, 37-connector
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
At the face end support of using for the utility model comprehensive coal face lower end shown in Fig. 1,2, be two one group of patterns of plain type, by left frame, right frame, about anti-down jack between frame, and hydraulic circuit is formed.
1. left frame: by three joint back timbers, three joint bases, and corresponding three columns that are articulated between the two constitute.Three joint back timbers are: back timber (5), left back back timber (7) in left front back timber (3), the left side; Three joint bases: be base (19) in left front base (23), the left side, left back base (15); Three columns: be front column (30), central post (32), rear column (33).
Order is hinged between the three joint back timbers.Left front back timber (3) front end and left front beam (1) are hinged, are used for protecting in advance the top; Front-axle beam jack (29) is articulated between left front back timber (3) and the left front beam (1).Left back back timber (7) rear end and left caving shield (9) are hinged, left side caving shield (9) is hinged with the upper end of left front connecting rod (11), left back connecting rod (13), hinged between the lower end of left front connecting rod (11), left back connecting rod (13) and the left back base (15), constitute quadric chain.
Hinged by connecting the base order between three bases, to connect base (21) hinged by left front between the base (19) in left front base (23) and the left side, and to connect base (17) hinged by left back between base in the left side (19) and the left back base (15).The front end of left front base (23) is hinged with passing jack (26), passes jack (26) front end and connects by the Connection Block of preceding connector (27) with the welding of elevating conveyor left side.Base (19) is provided with the base thruster jack of passing laterally (25) in a left front base (23) and the left side.
The front column of three columns (30) is that one, central post (32) are that two, rear column (33) are one.
2. right frame: basic identical with left frame, that is: right frame also is made of three joint back timbers, three joint bases and corresponding three columns that are articulated between the two.Three joint back timbers: be back timber (6) in right front back timber (4), the right side, right back back timber (8); Three joint bases: be base (20) in right front base (24), the right side, right back base (16); Three columns: be front column (30), central post (32), rear column (33).
Order is hinged between the three joint back timbers.Right front back timber (4) front end and right front beam (2) are hinged, and front-axle beam jack (29) is articulated between right front back timber (4) and the right front beam (2); Right back back timber (8) rear end and right caving shield (10) are hinged, right caving shield (10) is hinged with the upper end of right front connecting rod (12), right back connecting rod (14), hinged between right front connecting rod (12), right back connecting rod (14) lower end and the right back base (16), constitute quadric chain.
Hinged between the three joint bases by connecting the base order, be the right front base (22) that connects between the base (20) in right front base (24) and the right side, be the right back base (18) that connects between base in the right side (20) and the right back base (16); Right front base (24) front end is hinged with passing jack (26), passes jack (26) front end and is connected with the Connection Block on elevating conveyor right side by preceding connector (28).
The front column of three columns (30) is that one, central post (32) are that two, rear column (33) are one.
The difference of right frame and left frame mainly is: the base of right frame does not have base thruster jack (25).
3. anti-down jack between frame: comprise left and right before anti-down jack (34) before between back timber (3,4) two, between the back timber (5,6), reach the three rear defence pawls tops (35) between the left and right front rod (11,12) between the left and right back back timber (7,8) in left and right; They connect by connector (36,37) and back timber etc.
4. the spacing between the spacing between front column (30) and the central post (32), central post (32) and the rear column (33), should be respectively with front and rear portions drag conveyor head and comprise that the reach step pitch adapts.That is: three joint back timbers, three columns form the space of big span at front and rear portions scraper plate machine head place.
5. hydraulic circuit: mainly by operating valve set (31), fluid-control one-way lock, safety valve, stop valve, and hydraulic pressure auxiliary elements such as fluid pressure line, snap joint are formed.
Above-mentioned left and right is relative, and advance of the face direction changes, and left and right will be exchanged.
Except such scheme, also can adopt following technical measures:
1. when this face end support was used for upper end, base (23,24) front end can connect with the similar support in the place ahead, to solve the reach of face end support by passing jack (26) before it was left and right.At this moment, the spacing between the spacing between front column and the central post, central post and the rear column should add that with front and rear portions drag conveyor tail width the reach step pitch adapts respectively.Similar support is meant the same matched bracket that is made of anti-down jack between left frame, right frame, frame with face end support, and its rear base connects with passing jack (26), and without caving shield, connecting rod, the column spacing is not subjected to above-mentioned restriction, and three columns, two columns all can.
2. between the left and right caving shield and left and right rear base of this face end support, also can adopt other form to connect, as: single rod hinge connection or single rod hinge connection also increase and the hinged balance jack of back back timber.
3. this face end support front column, central post, rear column can respectively adopt one or two.
4. anti-down jack also can be articulated between the back link, caving shield of left frame and right frame between frame.
5. when roof cracking is serious, can increase side guard beam and side guard beam jack thereof on left and right the back timber.
Operating principle:
The fully mechanized coal face end hydraulic support is arranged in the intersection of fully mechanized coal face and headentry, adjacent with first sublevel caving hydrau lic support transition of fully mechanized coal face, be positioned at the both sides, rear portion of self-moving reversed loader, forward and backward drag conveyor head is under the preceding back timber (3) and back back timber (7) of left frame of face end support.After the coal-winning machine coal cutting, pass anterior conveyer, the reach sublevel caving hydrau lic support, draw the rear portion conveyer to put in place again, after operation is finished, elevating conveyor is by the step pitch of walking forward from anterior two the passing jack of moving mechanism and face end support (26), operating side head bracket left side frame operating valve set (31) then, before the left frame of reduction face end support, in, rear column (30,32,33), make left frame from the top, make left frame to step pitch of reach by the passing jack (26) that connects with elevating conveyor, in the walking process in order to prevent that support from falling frame and crooked, utilize support before, in, back back timber (1,3,5) and the anti-down jack (34 of front rod, 35), in time adjust back timber and caving shield; After step pitch of support walking, rise simultaneously left frame before, during and after column (1,3,5), make the timely support of left frame.Finish after the action of left frame, the operating valve set (31) of the right frame of operating side head bracket, fall the right frame of face end support before, during and after column (30,32,33), make right frame from the top, by the passing jack (26) of the right frame front end that connects with elevating conveyor, make right frame to step pitch of reach, in the right frame walking process, in time adjust back timber and caving shield, make back timber not crooked; By adjusting three base thruster jack (25), make base keep straight line moving when base departs from, after right frame puts in place, rise simultaneously right frame before, during and after column (30,32,33), make the timely support of right frame, finish a circulation.
Claims (5)
1. fully mechanized coal face end hydraulic support is characterized in that: be two one group of patterns, comprise left frame, right frame, about anti-down jack between frame, and hydraulic circuit;
1. left frame: comprise three joint back timbers, three joint bases and corresponding three columns that are articulated between the two, three joint back timbers are back timber (5) in left front back timber (3), the left side, left back back timber (7), three joint bases are base (19) in left front base (23), the left side, left back base (15), and three columns are front column (30), central post (32), rear column (33); Three joint back timber orders are hinged, and left front back timber (3) front end is hinged with and protects very useful left front beam (1) in advance, and front-axle beam jack (29) is articulated between left front back timber (3) and the left front beam (1); Left back back timber (7) rear end is hinged with left caving shield (9); Hinged between three bases by connecting the base order, be the left front base (21) that connects between the base (19) in left front base (23) and the left side, be the left back base (17) that connects between base in the left side (19) and the left back base (15); Left front base (23) front end is hinged with passing jack (26), passes jack (26) front end, connects with elevating conveyor, perhaps connects with similar support; On the base of a left side frame base thruster jack of passing laterally (25) is arranged;
2. right frame: with the difference of left frame be that base does not have base thruster jack (25), all the other are identical with left frame;
3. anti-down jack between frame: be articulated between the back timber of left frame and right frame or caving shield, the connecting rod;
4. the spacing between spacing between front column (30) and the central post (32) and central post (32) and the rear column (33) adds that with front and rear portions drag conveyor head or tail width the reach step pitch adapts respectively;
5. hydraulic circuit comprises operating valve set (31), hydraulic control lock, safety valve and hydraulic pressure auxiliary element.
2. fully mechanized coal face end hydraulic support according to claim 1, it is characterized in that: the passing jack (26) of said left and right preceding base (23,24) is respectively by the hinged left and right preceding connector (27,28) of front end, with the corresponding connection of Connection Block of elevating conveyor left and right side increase; Spacing between spacing between front column (30) and the central post (32), central post (32) and the rear column (33) adds that with front and rear portions drag conveyor head width the reach step pitch adapts respectively.
3. fully mechanized coal face end hydraulic support according to claim 1 and 2, it is characterized in that: said left caving shield (9), left back base (15), upper and lower end with left front connecting rod (11), left back connecting rod (13) is hinged respectively, constitutes quadric chain; Right caving shield (10), right back base (16) are as the same.
4. fully mechanized coal face end hydraulic support according to claim 1 and 2 is characterized in that: said left and right front column (30) respectively is that one, central post (32) respectively are that two, rear column (33) respectively are one.
5. fully mechanized coal face end hydraulic support according to claim 1 and 2 is characterized in that: said base thruster jack (25) is arranged on left front base (23) and the left side base (19); Anti-down jack comprises the preceding anti-down jack (34) between the left and right preceding back timber (3,4) between said, between the left and right preceding central sill (5,6), between the left and right back back timber (7,8) and the top of the rear defence pawl between the left and right front rod (11,12) (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420098308 CN2787833Y (en) | 2004-12-10 | 2004-12-10 | Hydraulic support for fully-mechanized top-coal caving face end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420098308 CN2787833Y (en) | 2004-12-10 | 2004-12-10 | Hydraulic support for fully-mechanized top-coal caving face end |
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| Publication Number | Publication Date |
|---|---|
| CN2787833Y true CN2787833Y (en) | 2006-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420098308 Expired - Fee Related CN2787833Y (en) | 2004-12-10 | 2004-12-10 | Hydraulic support for fully-mechanized top-coal caving face end |
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| CN (1) | CN2787833Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100371559C (en) * | 2004-12-10 | 2008-02-27 | 兖州煤业股份有限公司 | Hydraulic supporter for end of widening working face |
| CN102748052A (en) * | 2012-07-26 | 2012-10-24 | 兖州煤业股份有限公司 | Combined mining rail crossheading circulating forward type forepoling system |
| CN104594932A (en) * | 2014-12-29 | 2015-05-06 | 中国神华能源股份有限公司 | Mining supporting support equipment and mining method thereof |
| CN111911212A (en) * | 2020-08-06 | 2020-11-10 | 中煤科工开采研究院有限公司 | End hydraulic support group |
-
2004
- 2004-12-10 CN CN 200420098308 patent/CN2787833Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100371559C (en) * | 2004-12-10 | 2008-02-27 | 兖州煤业股份有限公司 | Hydraulic supporter for end of widening working face |
| CN102748052A (en) * | 2012-07-26 | 2012-10-24 | 兖州煤业股份有限公司 | Combined mining rail crossheading circulating forward type forepoling system |
| CN102748052B (en) * | 2012-07-26 | 2014-10-22 | 兖州煤业股份有限公司 | Combined mining rail crossheading circulating forward type forepoling system |
| CN104594932A (en) * | 2014-12-29 | 2015-05-06 | 中国神华能源股份有限公司 | Mining supporting support equipment and mining method thereof |
| CN111911212A (en) * | 2020-08-06 | 2020-11-10 | 中煤科工开采研究院有限公司 | End hydraulic support group |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |