CN103195459B - Low caving coal hydraulic support - Google Patents
Low caving coal hydraulic support Download PDFInfo
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- CN103195459B CN103195459B CN201310143930.8A CN201310143930A CN103195459B CN 103195459 B CN103195459 B CN 103195459B CN 201310143930 A CN201310143930 A CN 201310143930A CN 103195459 B CN103195459 B CN 103195459B
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- Prior art keywords
- jack
- back timber
- boom
- spring assembly
- backplates
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- 239000003245 coal Substances 0.000 title claims abstract description 15
- 238000005065 mining Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of low caving coal hydraulic support, described support comprises base, base is connected with back timber device by multiple column, the front end of back timber device is connected with front boom device, front-axle beam jack is provided with between back timber device and front boom device bottom, front boom device is connected with telescopic boom device, and the rear end of back timber device is connected with caving shield device, and caving shield device is connected with tail beam device therefor.It is large that the present invention has intensity, the advantage that safety factor is high.
Description
Technical field
The present invention relates to the low caving coal hydraulic support that a kind of coal mining coordinative composition of equipments uses.
Background technology
People are when mining, generally supported by plank etc. in mine, the intensity supported due to plank etc. is lower, therefore be easy to cave-in accident occurs, the personal security that mines for coal in mine is caused to be subject to hidden danger, existing top coal support generally also adopts the form of jack to shore, but jack is generally placed in the outside of top coal support, because the pipeline pushing up coal support outside is more, such jack is comparatively inconvenient when folding, and as the spring assembly of auxiliary telescopic, general be all middle is spring, both sides are bearing pin, completely by spring compresses, uncontrollable, spring is yielding after long-term use, affect application life.
Summary of the invention
The object of the invention is to overcome above deficiency, providing a kind of intensity large, the low caving coal hydraulic support that safety factor is high.
Object of the present invention is achieved through the following technical solutions: a kind of low caving coal hydraulic support, described support comprises base, base is connected with back timber device by multiple column, the front end of back timber device is connected with front boom device, front-axle beam jack is provided with between back timber device and front boom device bottom, front boom device is connected with telescopic boom device, and the rear end of back timber device is connected with caving shield device, and caving shield device is connected with tail beam device therefor.
Further improvement of the present invention is: be provided with advancing jack in described base, and the front end of advancing jack is connected with connector by the first bearing pin.
Further improvement of the present invention is: described back timber device comprises back timber, the left and right sides of back timber is all connected with backplate, the first spring assembly and the first lateral thruster is equipped with between the front-end and back-end of two backplates, place before and after first spring assembly and the first lateral thruster, each first spring assembly includes the first spring strut, the two ends, left and right of the first spring strut are connected with two backplates respectively, the first spring assembly is provided with in first spring strut, first lateral thruster comprises two the first guide rods, the inner side of two the first guide rods respectively with two backplates is connected, be connected by the first thruster jack between two the first guide rods.
Further improvement of the present invention is: described telescopic boom device comprises extensible canopy, and extensible canopy is connected with extensible canopy jack, and the front end of extensible canopy is connected with rotatable face guard, and face guard is connected with wall supporting jack.
Further improvement of the present invention is: described caving shield device comprises caving shield, the left and right sides of caving shield is all connected with the first backplate, the second spring assembly and the second lateral thruster is provided with between two the first backplates, second spring assembly comprises the second spring strut, the two ends, left and right of the second spring strut are connected with two the first backplates respectively, the second spring assembly is provided with in second spring strut, second lateral thruster comprises two the second guide rods, the inner side of two the second guide rods respectively with two the first backplates is connected, and is connected between two the second guide rods by the second thruster jack.
Further improvement of the present invention is: described tail beam device therefor comprises tail boom, and tail boom is connected with one end of tail boom jack, is provided with plate in tail boom, and plate is connected with plate jack.
Further improvement of the present invention is: be connected with a back link by about two front rods placed between described base with caving shield device, the other end of tail boom jack is connected with back link.
Further improvement of the present invention is: described back timber device is supported by four columns, and column is extension type, and base is connected with hydraulic system by supporting, and each column is all communicated with described hydraulic system by oil pipe.
The present invention compared with prior art has the following advantages: intensity is large, safety factor is higher, and the width of back timber device and caving shield device can regulate, promote backplate by thruster jack, now by being placed in by thruster jack between two backplates, simple to operation, and jack can reverse end for end to use, and by using spring assembly, spring assembly is arranged in spring strut, such spring is not yielding, adds application life.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Fig. 2 be in Fig. 1 A-A to structural representation;
Fig. 3 be in Fig. 1 B-B to structural representation;
Fig. 4 be in Fig. 1 C-C to structural representation;
Fig. 5 be in Fig. 1 D-D to structural representation;
Number in the figure: 1-base, 2-column, 3-back timber device, boom device before 4-, 5-front-axle beam jack, 6-back link, 7-caving shield device, 8-tail beam device therefor, 9-advancing jack, 10-first bearing pin, 11-connector, 12-back timber, 13-backplate, 14-first spring strut, 15-first spring assembly, 16-first guide rod, 17-first thruster jack, 19-extensible canopy jack, 20-face guard, 21-wall supporting jack, 22-caving shield, 23-first backplate, 24-second spring strut, 25-second spring assembly, 26-second guide rod, 27-second thruster jack, 28-hydraulic system, 29-tail boom, 30-tail boom jack, 31-plate, 32-plate jack, 33-front rod.
detailed description of the invention:
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
As Fig. 1 to Fig. 5 shows the detailed description of the invention of a kind of low caving coal hydraulic support of the present invention, described support comprises base 1, base 1 is connected with back timber device 3 by multiple column 2, the front end of back timber device 3 is connected with front boom device 4, front-axle beam jack 5 is provided with between back timber device 3 and front boom device 4 bottom, front boom device 4 is connected with telescopic boom device, the rear end of back timber device 3 is connected with caving shield device 7, caving shield device 7 is connected with tail beam device therefor 8, advancing jack 9 is provided with in the preferred described base 1 of the present invention, the front end of advancing jack 9 is connected with connector 11 by the first bearing pin 10, back timber device 3 comprises back timber 12, the left and right sides of back timber 12 is all connected with backplate 13, the first spring assembly and the first lateral thruster is equipped with between the front-end and back-end of two backplates 13, place before and after first spring assembly and the first lateral thruster, each first spring assembly includes the first spring strut 14, the two ends, left and right of the first spring strut 14 are connected with two backplates 13 respectively, the first spring assembly 15 is provided with in first spring strut 14, first lateral thruster comprises two the first guide rods 16, the inner side of two the first guide rods, 16 respectively with two backplates 13 is connected, be connected by the first thruster jack 17 between two the first guide rods 16, telescopic boom device comprises extensible canopy, extensible canopy is connected with extensible canopy jack 19, the front end of extensible canopy is connected with rotatable face guard 20, face guard 20 is connected with wall supporting jack 21, caving shield device 7 comprises caving shield 22, the left and right sides of caving shield 22 is all connected with the first backplate 23, the second spring assembly and the second lateral thruster is provided with between two the first backplates 23, second spring assembly comprises the second spring strut 24, the two ends, left and right of the second spring strut 24 are connected with two the first backplates 23 respectively, the second spring assembly 25 is provided with in second spring strut 24, second lateral thruster comprises two the second guide rods 26, the inner side of two the second guide rods, 26 respectively with two the first backplates 23 is connected, be connected by the second thruster jack 27 between two the second guide rods 26, tail beam device therefor 8 comprises tail boom 29, tail boom 29 is connected with one end of tail boom jack 30, plate 31 is provided with in tail boom 29, plate 31 is connected with plate jack 32, be connected with a back link 6 by about two front rods placed 33 between base 1 with caving shield device 7, the other end of tail boom jack 30 is connected with back link 6, back timber device 3 is supported by four columns 2, column 2 is extension type, base 1 is connected with hydraulic system 28 by supporting, each column 2 is all communicated with described hydraulic system 28 by oil pipe.
Top of the present invention coal support, face guard 20 is opened by wall supporting jack 21 in use, and simultaneous retractable beam can be stretched out in the past boom device 4 by extensible canopy jack 19, promote column 2 by hydraulic system 28 and carry out stretching motion, such telescopic boom device, front boom device 4, back timber device 3 withstands coal mine, be not easy to cave in, the intensity of column is large, safety factor is higher, and the width of back timber device 3 and caving shield device 7 can regulate, backplate is promoted by thruster jack, now by thruster jack being placed between two backplates, simple to operation, and jack can reverse end for end to use, and by using spring assembly, spring assembly is arranged in spring strut, such spring is not yielding, add application life.
Claims (1)
1. a low caving coal hydraulic support, it is characterized in that: described support comprises base (1), described base (1) is connected with back timber device (3) by multiple column (2), the front end of described back timber device (3) is connected with front boom device (4), front-axle beam jack (5) is provided with between described back timber device (3) and described front boom device (4) bottom, described front boom device (4) is connected with telescopic boom device, the rear end of described back timber device (3) is connected with caving shield device (7), described caving shield device (7) is connected with tail beam device therefor (8), advancing jack (9) is provided with in described base (1), the front end of described advancing jack (9) is connected with connector (11) by the first bearing pin (10), described back timber device (3) comprises back timber (12), the left and right sides of described back timber (12) is all connected with backplate (13), the first spring assembly and the first lateral thruster is equipped with between the front-end and back-end of two described backplates (13), place before and after described first spring assembly and described first lateral thruster, each described first spring assembly includes the first spring strut (14), the two ends, left and right of described first spring strut (14) are connected with two described backplates (13) respectively, the first spring assembly (15) is provided with in described first spring strut (14), described first lateral thruster comprises two the first guide rods (16), the inner side of two described first guide rods (16) respectively with two described backplates (13) is connected, be connected by the first thruster jack (17) between two described first guide rods (16), described telescopic boom device comprises extensible canopy, described extensible canopy is connected with extensible canopy jack (19), the front end of described extensible canopy is connected with rotatable face guard (20), described face guard (20) is connected with wall supporting jack (21), described caving shield device (7) comprises caving shield (22), the left and right sides of described caving shield (22) is all connected with the first backplate (23), the second spring assembly and the second lateral thruster is provided with between two described first backplates (23), described second spring assembly comprises the second spring strut (24), the two ends, left and right of described second spring strut (24) respectively first backplate (23) described with two are connected, the second spring assembly (25) is provided with in described second spring strut (24), described second lateral thruster comprises two the second guide rods (26), the inner side of two described first backplates (23) of described second guide rod (26) respectively with two is connected, be connected by the second thruster jack (27) between two described second guide rods (26), described tail beam device therefor (8) comprises tail boom (29), described tail boom (29) is connected with one end of tail boom jack (30), plate (31) is provided with in described tail boom (29), described plate (31) is connected with plate jack (32), be connected with a back link (6) by about two front rods placed (33) between described base (1) with described caving shield device (7), the other end of described tail boom jack (30) is connected with described back link (6), described back timber device (3) is supported by four columns (2), described column (2) is extension type, described base (1) is connected with hydraulic system (28) by supporting, each described column (2) is all communicated with described hydraulic system (28) by oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310143930.8A CN103195459B (en) | 2013-04-24 | 2013-04-24 | Low caving coal hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310143930.8A CN103195459B (en) | 2013-04-24 | 2013-04-24 | Low caving coal hydraulic support |
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| Publication Number | Publication Date |
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| CN103195459A CN103195459A (en) | 2013-07-10 |
| CN103195459B true CN103195459B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310143930.8A Active CN103195459B (en) | 2013-04-24 | 2013-04-24 | Low caving coal hydraulic support |
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| CN (1) | CN103195459B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485806B (en) * | 2013-09-24 | 2015-12-23 | 三一重型装备有限公司 | Hydraulic support and side push mechanism thereof |
| US9605539B2 (en) * | 2015-02-11 | 2017-03-28 | Joy Mm Delaware, Inc. | Advancing ram pin retention device |
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| AU2003271396A1 (en) * | 2003-03-05 | 2004-09-23 | Yankuang Group Corporation | A sub-level caving hydraulic support |
| CN2895742Y (en) * | 2006-03-30 | 2007-05-02 | 上海建设路桥机械设备有限公司 | Hydraulic support shield beam structure |
| CN2898310Y (en) * | 2006-03-30 | 2007-05-09 | 上海建设路桥机械设备有限公司 | Top-beam structure of hydraulic stand |
| CN1991131A (en) * | 2005-12-31 | 2007-07-04 | 枣庄矿业(集团)有限责任公司 | Low coal seam coverture type hydraulic support |
| CN201062525Y (en) * | 2007-08-10 | 2008-05-21 | 郑州煤矿机械集团有限责任公司 | Four-post supporting secured low-roof coal bracket |
| CN101463729A (en) * | 2009-01-15 | 2009-06-24 | 天地科技股份有限公司 | Hydraulic support for large-mining height caving coal |
| CN101592035A (en) * | 2009-06-25 | 2009-12-02 | 中煤北京煤矿机械有限责任公司 | Big mining height shield type low caving coal hydraulic support |
| AU2012100340A4 (en) * | 2011-05-06 | 2012-04-26 | Chinacoal Beijing Coal Mining Machinery Co., Ltd. | Dual Station Two-leg Low-position Top Coal Caving Hydraulic Support |
| CN203239375U (en) * | 2013-04-24 | 2013-10-16 | 江苏蛟龙重工集团有限公司 | Low sublevel caving coal support |
-
2013
- 2013-04-24 CN CN201310143930.8A patent/CN103195459B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003271396A1 (en) * | 2003-03-05 | 2004-09-23 | Yankuang Group Corporation | A sub-level caving hydraulic support |
| CN1991131A (en) * | 2005-12-31 | 2007-07-04 | 枣庄矿业(集团)有限责任公司 | Low coal seam coverture type hydraulic support |
| CN2895742Y (en) * | 2006-03-30 | 2007-05-02 | 上海建设路桥机械设备有限公司 | Hydraulic support shield beam structure |
| CN2898310Y (en) * | 2006-03-30 | 2007-05-09 | 上海建设路桥机械设备有限公司 | Top-beam structure of hydraulic stand |
| CN201062525Y (en) * | 2007-08-10 | 2008-05-21 | 郑州煤矿机械集团有限责任公司 | Four-post supporting secured low-roof coal bracket |
| CN101463729A (en) * | 2009-01-15 | 2009-06-24 | 天地科技股份有限公司 | Hydraulic support for large-mining height caving coal |
| CN101592035A (en) * | 2009-06-25 | 2009-12-02 | 中煤北京煤矿机械有限责任公司 | Big mining height shield type low caving coal hydraulic support |
| AU2012100340A4 (en) * | 2011-05-06 | 2012-04-26 | Chinacoal Beijing Coal Mining Machinery Co., Ltd. | Dual Station Two-leg Low-position Top Coal Caving Hydraulic Support |
| CN203239375U (en) * | 2013-04-24 | 2013-10-16 | 江苏蛟龙重工集团有限公司 | Low sublevel caving coal support |
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| Publication number | Publication date |
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| CN103195459A (en) | 2013-07-10 |
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Effective date of registration: 20201217 Address after: 246700 Zongyang Textile Industrial Park, Tongling City, Anhui Province Patentee after: Anhui longchen Textile Technology Co.,Ltd. Address before: Xinba village, Pingchao Town, Tongzhou District, Nantong City, Jiangsu Province, 226000 Patentee before: JIANGSU JIAOLONG HEAVY INDUSTRY GROUP Co.,Ltd. |
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Effective date of registration: 20220707 Address after: 246701 Jinshan Road, Zongyang Town, Zongyang County, Tongling, Anhui, China Patentee after: ZONGYANG ZHONGBANG TECHNOLOGY INFORMATION CONSULTING Co.,Ltd. Address before: 246700 Zongyang Textile Industrial Park, Tongling City, Anhui Province Patentee before: Anhui longchen Textile Technology Co.,Ltd. |
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Effective date of registration: 20240929 Address after: 276000 A307, Keyuan Square, Science and Technology Innovation Park, Shuangyueyuan Road, High tech Zone, Linyi City, Shandong Province Patentee after: Linyi Gaoxin Automobile Rental Service Co.,Ltd. Country or region after: China Address before: 246701 Jinshan Road, Zongyang Town, Zongyang County, Tongling, Anhui, China Patentee before: ZONGYANG ZHONGBANG TECHNOLOGY INFORMATION CONSULTING Co.,Ltd. Country or region before: China |
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