CN201574768U - Hydraulic support of composite mining of thin coal seam of large height-adjusting rate breaking machine - Google Patents
Hydraulic support of composite mining of thin coal seam of large height-adjusting rate breaking machine Download PDFInfo
- Publication number
- CN201574768U CN201574768U CN 200920290211 CN200920290211U CN201574768U CN 201574768 U CN201574768 U CN 201574768U CN 200920290211 CN200920290211 CN 200920290211 CN 200920290211 U CN200920290211 U CN 200920290211U CN 201574768 U CN201574768 U CN 201574768U
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- base
- hydraulic support
- coal seam
- plate body
- spillplate
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Abstract
The utility model discloses a hydraulic support of composite mining of thin coal seam of a large height-adjusting rate breaking machine, comprising a base, a top beam and a shield beam, wherein the top beam and the shield beam are hinged together; the shield beam is supported on the base by a link mechanism; a telescopic vertical column is arranged between the top beam and the base; the bottom part of the top beam is provided with a hydraulic valve group; the base is internally provided with a push rod; a push-moving jack is arranged on the base; the bottom part of the front end of the top beam is hinged with a coal-blocking plate; the coal-blocking plate comprises a plate body and a protective plate which are connected into a whole; the plate body is provided with a fixed handle; the bottom part of the top beam is correspondingly provided with a handle bayonet; and the push-moving jack is arranged in an inverted manner, and a top seat and a piston rod thereof are respectively connected with the base and the push rod. By being matched with a coal mining machine for use, the hydraulic support solves the difficulty that full-mechanized mining can not be carried out on the thin coal seam under the complex geological conditions, can improve the coal mining efficiency and reduce the labor intensity.
Description
Technical field
The utility model belongs to the hydraulic support technical field, particularly relates to a kind of suitable big gun and adopts the hydraulic support for low coal seam of adopting with machine.
Background technology
Coal mine fully-mechanized mining has not only improved the down-hole condition of labor, and work plane output and efficient are improved greatly, adopts the strictness of geology conditional request but combine.In thin seam mining, when running into work plane, particularly rock consolidating coefficient that out-of-shape, craven fault and gauffer grow greater than 6 o'clock, coal-winning machine can't use, and can only adopt blasting procedure to carry out coal breakage.Existing thin coal bed fully-mechanized employing hydraulic support does not have spillplate, and during explosion, coal and spoil fly in the support or the pool easily, hydraulic support column is caused collapse wound.Though big gun adopts hydraulic support to be provided with spillplate, be unsuitable for combining and adopt use, and its spillplate to be simple in structure, protection effect is poor.
Summary of the invention
The technical problems to be solved in the utility model provides the mixed hydraulic support for low coal seam of adopting of big gun machine under a kind of complex geological condition.
For solving the problems of the technologies described above.The utility model comprises base, hinged back timber and caving shield, caving shield is supported on the base by linkage, be provided with telescopic column between back timber and the base, be provided with hydraulic valve bank in the back timber bottom, be provided with push rod in the base, base is provided with the passing jack, its design feature is that the back timber front bottom end is provided with and is hinged with spillplate, spillplate comprises plate body and the backplate that is connected as a single entity, and plate body is provided with fixed handle, and back timber bottom is corresponding is provided with the handle bayonet socket; Described passing jack is the upside-down mounting setting, and its footstock is connected with push rod with base respectively with piston rod.
The plate body of described spillplate is provided with ribs and pin-and-hole, and the plate body and the backplate of spillplate are provided with through hole, and backplate is the high polymer elastic plate, and backplate is by bolt and plate body is fastening joins.
Described described column is the thin wall and deep hole column, and wherein the cylinder casing wall is provided with axial through hole, cylinder end head 25-35 millimeter in this pitch-row.
Described push rod is the lengthening push rod, and its maximum passing step pitch is 900 millimeters; Hydraulic valve bank is the pilot-actuated valve group.
Because the utility model is provided with and the hinged spillplate of back timber; when machine is adopted it by secured in parallel in back timber bottom; when running into rock or wandering coal; when needing coal blasting; can open fixed handle, make spillplate be in hang, with the support rear closure; prevent in the blasting process coal or the spoil hydraulic prop column coating that crumbles, effectively protect pillar.Spillplate is provided with through hole and macromolecule backplate, the effectively impact of air-flow and coal breakage during buffer shooting, and not only protection effect is good, and can prolong spillplate application life; Dismantle the replaceable backplate of bolt, easy to use.This support is fit to machine simultaneously to be adopted with big gun and adopts, and has solved under the complex geological condition girdle and can't combine a difficult problem of adopting.Column is the thin wall and deep hole column, and its column cap fixed end length is little, has increased the flexible stroke of piston rod, and support height can be regulated between the 700-1500 millimeter, and compliance is strong.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is that the utility model spillplate is opened the back schematic diagram;
Fig. 3 is the utility model spillplate medial surface schematic diagram;
Fig. 4 is the utility model spillplate deep cutting schematic diagram.
The specific embodiment
Shown in Fig. 1 and 2, the utility model comprises back timber 1, caving shield 2, front rod 3, back link 4, base 5, push rod 6, telescopic column 7, passes jack 8, balance jack 9 and hydraulic valve bank 11.Back timber 1 is a monolithic, and back timber 1 rear end and caving shield 2 are hinged; Connecting rod is preceding two, the two positive four-bar linkage structures in back, and the top and bottom of two front rods 3 and two back links 4 are hinged with caving shield 2 and base 5 respectively; Telescopic column 7 lower ends and base 5 are hinged, and its piston rod and back timber 1 are hinged; Balance jack 9 is located at caving shield 2 bottoms, and its footstock and caving shield 2 are hinged, and piston rod and back timber 1 are hinged; Push rod 6 is located at base 5 middle parts, and is slidingly connected with base 5; Hydraulic valve bank 11 is located at back timber 1 bottom, and it is connected, and controls the action of each hydraulic unit with column 7, passing jack 8, balance jack 9 by pipeline.Back timber 1 front bottom end is provided with hinged with it spillplate 10, and spillplate 10 comprises plate body 12 and the backplate 13 that is connected as a single entity, and plate body 12 is provided with fixed handle 14, back timber 1 bottom correspondence be provided with handle bayonet socket 18; When machine was adopted, spillplate 10 was fixed in back timber 1 bottom by fixed handle 14.Described column 7 is the thin wall and deep hole column, and wherein the cylinder casing wall is provided with axial through hole, cylinder end head 25-35 millimeter in this pitch-row.Passing jack 8 is located on the base 5, pass jack 8 and be the upside-down mounting setting, pass that the footstock of jack 8 and base are 5 hinged, piston rod and push rod 6 be hinged, the other end of push rod 6 is provided with coal-winning machine connector 19, push rod 6 is the lengthening push rod, and its maximum passing step pitch is 900 millimeters; Hydraulic valve bank 11 is the pilot-actuated valve group.
By Fig. 3 and shown in Figure 4, the plate body 12 of the utility model spillplate 10 is provided with ribs 16 and pin-and-hole 17, and spillplate 10 is hinged by pin-and-hole 17 and back timber 1.The plate body 12 and the backplate 13 of spillplate 10 are provided with through hole 15, backplate 13 is the high polymer elastic plate, it is fastenedly connected by bolt 20 and plate body 12, forms one deck overcoat in plate body 12 outsides, and backplate 13 also can adopt gluing mode to be fixed on the plate body 12.
Claims (5)
1. heighten greatly than the mixed hydraulic support for low coal seam of adopting of big gun machine for one kind, comprise base (5), hinged back timber (1) and caving shield (2), caving shield (2) is supported on the base (5) by linkage, be provided with telescopic column (7) between back timber (1) and the base (5), be provided with hydraulic valve bank (11) in back timber (1) bottom, be provided with push rod (6) in the base (5), base (5) is provided with passes jack (8), it is characterized in that back timber (1) front bottom end is provided with is hinged with spillplate (10), spillplate (10) comprises plate body (12) and the backplate (13) that is connected as a single entity, plate body (12) is provided with fixed handle (14), and back timber (1) bottom is corresponding is provided with handle bayonet socket (18); Described passing jack (8) is the upside-down mounting setting, and its footstock is connected with push rod (6) with base (5) respectively with piston rod.
2. heighten greatly than the mixed hydraulic support for low coal seam of adopting of big gun machine according to claim 1 is described, the plate body (12) that it is characterized in that described spillplate (10) is provided with ribs (16) and pin-and-hole (17), the plate body (12) and the backplate (13) of spillplate (10) are provided with through hole (15), backplate (13) is the high polymer elastic plate, and backplate (13) is by bolt (20) and fastening joining of plate body (12).
3. adopt hydraulic support for low coal seam according to described the heightening greatly than big gun machine is mixed of claim 1, it is characterized in that described column (7) is the thin wall and deep hole column, wherein the cylinder casing wall is provided with axial through hole, cylinder end head 25-35 millimeter in this pitch-row.
4. adopt hydraulic support for low coal seam according to described the heightening greatly than big gun machine is mixed of claim 1, it is characterized in that push rod (6) is the lengthening push rod, its maximum passing step pitch is 900 millimeters.
5. adopt hydraulic support for low coal seam according to described the heightening greatly of claim 1, it is characterized in that hydraulic valve bank (11) is the pilot-actuated valve group than big gun machine is mixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920290211 CN201574768U (en) | 2009-12-15 | 2009-12-15 | Hydraulic support of composite mining of thin coal seam of large height-adjusting rate breaking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920290211 CN201574768U (en) | 2009-12-15 | 2009-12-15 | Hydraulic support of composite mining of thin coal seam of large height-adjusting rate breaking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201574768U true CN201574768U (en) | 2010-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920290211 Expired - Fee Related CN201574768U (en) | 2009-12-15 | 2009-12-15 | Hydraulic support of composite mining of thin coal seam of large height-adjusting rate breaking machine |
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| CN (1) | CN201574768U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226410A (en) * | 2011-05-24 | 2011-10-26 | 中煤北京煤矿机械有限责任公司 | Hydraulic support advancing mechanism and thin coal seam hydraulic support |
| CN102877877A (en) * | 2012-09-17 | 2013-01-16 | 中煤北京煤矿机械有限责任公司 | Up-mounted advancing mechanism and thin coal seam hydraulic support |
| CN103161487A (en) * | 2013-02-19 | 2013-06-19 | 中国矿业大学 | Large-dip-angle upward-mining-surface hydraulic support trend stability method |
| CN103410547A (en) * | 2013-08-29 | 2013-11-27 | 郑州煤矿机械集团股份有限公司 | Thin seam hydraulic support for coal mines |
-
2009
- 2009-12-15 CN CN 200920290211 patent/CN201574768U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226410A (en) * | 2011-05-24 | 2011-10-26 | 中煤北京煤矿机械有限责任公司 | Hydraulic support advancing mechanism and thin coal seam hydraulic support |
| CN102877877A (en) * | 2012-09-17 | 2013-01-16 | 中煤北京煤矿机械有限责任公司 | Up-mounted advancing mechanism and thin coal seam hydraulic support |
| CN103161487A (en) * | 2013-02-19 | 2013-06-19 | 中国矿业大学 | Large-dip-angle upward-mining-surface hydraulic support trend stability method |
| CN103161487B (en) * | 2013-02-19 | 2015-04-29 | 中国矿业大学 | Large-dip-angle upward-mining-surface hydraulic support trend stability method |
| CN103410547A (en) * | 2013-08-29 | 2013-11-27 | 郑州煤矿机械集团股份有限公司 | Thin seam hydraulic support for coal mines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20141215 |
|
| EXPY | Termination of patent right or utility model |