CN103195459A - Low caving coal support - Google Patents
Low caving coal support Download PDFInfo
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- CN103195459A CN103195459A CN2013101439308A CN201310143930A CN103195459A CN 103195459 A CN103195459 A CN 103195459A CN 2013101439308 A CN2013101439308 A CN 2013101439308A CN 201310143930 A CN201310143930 A CN 201310143930A CN 103195459 A CN103195459 A CN 103195459A
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- jack
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- back timber
- spring assembly
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Abstract
The invention discloses a low caving coal support which comprises a base. The base is connected with a top beam device through a plurality of posts. A front beam device is connected to the front end of the top beam device. A front beam jack is disposed between the lower portion of the top beam device and the lower portion of the front beam device. The front beam device is connected with a telescopic beam device. The rear end of the top beam device is connected with a caving beam device which is connected with a tail beam device. The low caving coal support has the advantages of high strength and high safety coefficient.
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, in mine, generally support by plank etc., because the intensity that plank etc. support is lower, therefore be easy to take place cave-in accident, cause the personal security that mines for coal in the mine to be subjected to hidden danger, existing top coal support generally also adopts the form of jack to shore, but jack generally places the outside of top coal support, because the pipeline of coal support outside, top is more, jack comparatively inconvenience when folding like this, and as auxiliary flexible spring assembly, generally all be the middle spring that is, both sides are bearing pin, fully by the spring extruding, uncontrollable, yielding in the long-term rear spring of using, influence application life.
Summary of the invention
The objective of the invention is provides a kind of intensity big, the low caving coal hydraulic support that safety factor is high in order to overcome above deficiency.
Purpose of the present invention is achieved through the following technical solutions: a kind of low caving coal hydraulic support, described support comprises base, link to each other with the back timber device by a plurality of columns on the base, the front end of back timber device is connected with preceding boom device, be provided with the front-axle beam jack between back timber device and the preceding boom device bottom, preceding boom device links to each other with telescopic boom device, and the rear end of back timber device links to each other with the caving shield device, and the caving shield device links to each other with the tail boom device.
Further improvement of the present invention is: be provided with the passing jack in the described base, the front end of passing jack links to each other with connector by 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 all is connected with backplate, be equipped with first spring assembly and first lateral thruster between the front-end and back-end of two backplates, place before and after first spring assembly and first lateral thruster, each first spring assembly includes first spring strut, the two ends, the left and right sides of first spring strut link to each other with two backplates respectively, be provided with first spring assembly in first spring strut, first lateral thruster comprises two first guide rods, two first guide rods link to each other with the inboard of two backplates respectively, link to each other by the first thruster jack between two first guide rods.
Further improvement of the present invention is: described telescopic boom device comprises extensible canopy, and extensible canopy links to each other with the extensible canopy jack, and the front end of extensible canopy is connected with rotatable face guard, and face guard links to each other with the 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 all is connected with first backplate, be provided with second spring assembly and second lateral thruster between two first backplates, second spring assembly comprises second spring strut, the two ends, the left and right sides of second spring strut link to each other with two first backplates respectively, be provided with second spring assembly in second spring strut, second lateral thruster comprises two second guide rods, two second guide rods link to each other with the inboard of two second backplates respectively, link to each other by the second thruster jack between two second guide rods.
Further improvement of the present invention is: described tail boom device comprises tail boom, and tail boom links to each other with an end of tail boom jack, is provided with plate in the tail boom, and plate links to each other with the plate jack.
Further improvement of the present invention is: link to each other with a back link by about two front rods of placing between described base and the caving shield device, the other end of tail boom jack links to each other with back link.
Further improvement of the present invention is: described back timber device supports by four columns, and column is extension type, is connected with hydraulic system by supporting on the base, and each column all communicates with described hydraulic system by oil pipe.
The present invention compared with prior art has the following advantages: intensity is big, safety factor is higher, and the width of back timber device and caving shield device can be regulated, and promotes backplate by the thruster jack, now by the 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 the spring strut, spring is not yielding like this, has increased application life.
Description of drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 be among Fig. 1 A-A to structural representation;
Fig. 3 be among Fig. 1 B-B to structural representation;
Fig. 4 be among Fig. 1 C-C to structural representation;
Fig. 5 be among Fig. 1 D-D to structural representation;
Number in the figure: 1-base, the 2-column, 3-back timber device, boom device before the 4-, 5-front-axle beam jack, the 6-back link, 7-caving shield device, 8-tail boom device, 9-passes jack, 10-first bearing pin, the 11-connector, the 12-back timber, the 13-backplate, 14-first spring strut, 15-first spring assembly, 16-first guide rod, the 17-first thruster jack, the 18-extensible canopy, 19-extensible canopy jack, the 20-face guard, 21-wall supporting jack, the 22-caving shield, 23-first backplate, 24-second spring strut, 25-second spring assembly, 26-second guide rod, the 27-second thruster jack, the 28-hydraulic system, the 29-tail boom, 30-tail boom jack, the 31-plate, 32-plate jack, the 33-front rod.
The specific embodiment:
In order to deepen the understanding of the present invention, the invention will be further described below in conjunction with embodiment and accompanying drawing, and this embodiment only is used for explaining the present invention, does not constitute the restriction to protection domain of the present invention.
Show the specific embodiment of a kind of low caving coal hydraulic support of the present invention as Fig. 1 to Fig. 5, described support comprises base 1, link to each other with back timber device 3 by a plurality of columns 2 on the base 1, the front end of back timber device 3 is connected with preceding boom device 4, be provided with front-axle beam jack 5 between back timber device 3 and preceding boom device 4 bottoms, preceding boom device 4 links to each other with telescopic boom device, the rear end of back timber device 3 links to each other with caving shield device 7, caving shield device 7 links to each other with tail boom device 8, be provided with in the preferred described base 1 of the present invention and pass jack 9, the front end of passing jack 9 links to each other with connector 11 by first bearing pin 10, back timber device 3 comprises back timber 12, the left and right sides of back timber 12 all is connected with backplate 13, be equipped with first spring assembly and first lateral thruster between the front-end and back-end of two backplates 13, place before and after first spring assembly and first lateral thruster, each first spring assembly includes first spring strut 14, the two ends, the left and right sides of first spring strut 14 link to each other with two backplates 13 respectively, be provided with first spring assembly 15 in first spring strut 14, first lateral thruster comprises two first guide rods 16, two first guide rods 16 link to each other with the inboard of two backplates 13 respectively, link to each other by the first thruster jack 17 between two first guide rods 16, telescopic boom device comprises extensible canopy 18, extensible canopy 18 links to each other with extensible canopy jack 19, the front end of extensible canopy 18 is connected with rotatable face guard 20, face guard 20 links to each other with wall supporting jack 21, caving shield device 7 comprises caving shield 22, the left and right sides of caving shield 22 all is connected with first backplate 23, be provided with second spring assembly and second lateral thruster between two first backplates 23, second spring assembly comprises second spring strut 24, the two ends, the left and right sides of second spring strut 24 link to each other with two first backplates 23 respectively, be provided with second spring assembly 25 in second spring strut 24, second lateral thruster comprises two second guide rods 26, two second guide rods 26 link to each other with the inboard of two second backplates 23 respectively, link to each other by the second thruster jack 27 between two second guide rods 26, tail boom device 8 comprises tail boom 29, tail boom 29 links to each other with an end of tail boom jack 30, be provided with plate 31 in the tail boom 29, plate 31 links to each other with plate jack 32, link to each other with a back link 6 by about two front rods of placing 33 between base 1 and the caving shield device 7, the other end of tail boom jack 30 links to each other with back link 34, back timber device 3 supports by four columns 2, column 2 is extension type, be connected with hydraulic system 28 by supporting on the base 1, each column 2 all communicates 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 extensible canopy 18 stretches out in the boom device 4 by extensible canopy jack 19 in the past simultaneously, promote column 2 by hydraulic system 28 and carry out stretching motion, telescopic boom device like this, preceding boom device 4, back timber device 3 withstands coal mine, be not easy to cave in, the intensity of column is big, safety factor is higher, and the width of back timber device 3 and caving shield device 7 can be regulated, and promotes backplate by the thruster jack, now by the 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 the spring strut, spring is not yielding like this, has increased application life.
Claims (8)
1. low caving coal hydraulic support, it is characterized in that: described support comprises base (1), described base (1) is gone up by a plurality of columns (2) and is linked to each other with back timber device (3), the front end of described back timber device (3) is connected with preceding boom device (4), be provided with front-axle beam jack (5) between described back timber device (3) and described preceding boom device (4) bottom, boom device (4) links to each other with telescopic boom device before described, the rear end of described back timber device (3) links to each other with caving shield device (7), and described caving shield device (7) links to each other with tail boom device (8).
2. according to the described low caving coal hydraulic support of claim 1, it is characterized in that: be provided with in the described base (1) and pass jack (9), the front end of described passing jack (9) links to each other with connector (11) by first bearing pin (10).
3. according to the described low caving coal hydraulic support of claim 1, it is characterized in that: described back timber device (3) comprises back timber (12), the left and right sides of described back timber (12) all is connected with backplate (13), be equipped with first spring assembly and first lateral thruster 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 first spring strut (14), the two ends, the left and right sides of described first spring strut (14) link to each other with two described backplates (13) respectively, be provided with first spring assembly (15) in described first spring strut (14), described first lateral thruster comprises two first guide rods (16), two described first guide rods (16) link to each other with the inboard of two described backplates (13) respectively, link to each other by the first thruster jack (17) between two described first guide rods (16).
4. according to the described low caving coal hydraulic support of claim 1, it is characterized in that: described telescopic boom device comprises extensible canopy (18), described extensible canopy (18) links to each other with extensible canopy jack (19), the front end of described extensible canopy (18) is connected with rotatable face guard (20), and described face guard (20) links to each other with wall supporting jack (21).
5. according to the described low caving coal hydraulic support of claim 1, it is characterized in that: described caving shield device (7) comprises caving shield (22), the left and right sides of described caving shield (22) all is connected with first backplate (23), be provided with second spring assembly and second lateral thruster between two described first backplates (23), described second spring assembly comprises second spring strut (24), the two ends, the left and right sides of described second spring strut (24) link to each other with two described first backplates (23) respectively, be provided with second spring assembly (25) in described second spring strut (24), described second lateral thruster comprises two second guide rods (26), two described second guide rods (26) link to each other with the inboard of two described second backplates (23) respectively, link to each other by the second thruster jack (27) between two described second guide rods (26).
6. according to the described low caving coal hydraulic support of claim 1, it is characterized in that: described tail boom device (8) comprises tail boom (29), described tail boom (29) links to each other with an end of tail boom jack (30), be provided with plate (31) in the described tail boom (29), described plate (31) links to each other with plate jack (32).
7. according to claim 1 or 2 described low caving coal hydraulic supports, it is characterized in that: link to each other with a back link (34) by about two front rods of placing (33) between described base (1) and the described caving shield device (7), the other end of described tail boom jack (30) links to each other with described back link (6).
8. according to the described low caving coal hydraulic support of claim 1, it is characterized in that: described back timber device (3) supports by four columns (2), described column (2) is extension type, described base (1) is gone up and is connected with hydraulic system (28) by supporting, and each described column (2) all communicates 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103195459A true CN103195459A (en) | 2013-07-10 |
| CN103195459B CN103195459B (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310143930.8A Active CN103195459B (en) | 2013-04-24 | 2013-04-24 | Low caving coal hydraulic support |
Country Status (1)
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| CN (1) | CN103195459B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485806A (en) * | 2013-09-24 | 2014-01-01 | 三一重型装备有限公司 | Hydraulic support and side pushing mechanism thereof |
| CN105863702A (en) * | 2015-02-11 | 2016-08-17 | 乔伊·姆·特拉华公司 | 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 |
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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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485806A (en) * | 2013-09-24 | 2014-01-01 | 三一重型装备有限公司 | Hydraulic support and side pushing mechanism thereof |
| 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 |
| CN105863702A (en) * | 2015-02-11 | 2016-08-17 | 乔伊·姆·特拉华公司 | Advancing ram pin retention device |
| CN105863702B (en) * | 2015-02-11 | 2020-06-12 | 久益环球地下采矿有限责任公司 | Pin fixing device of pushing jack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103195459B (en) | 2016-01-20 |
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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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