CN105422154A - Chain-connected external-load self-advancing shield hydraulic support for coal mines - Google Patents
Chain-connected external-load self-advancing shield hydraulic support for coal mines Download PDFInfo
- Publication number
- CN105422154A CN105422154A CN201511021130.4A CN201511021130A CN105422154A CN 105422154 A CN105422154 A CN 105422154A CN 201511021130 A CN201511021130 A CN 201511021130A CN 105422154 A CN105422154 A CN 105422154A
- Authority
- CN
- China
- Prior art keywords
- clamped beam
- hydraulic support
- telescoping mechanism
- chain type
- support connecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/26—Hydraulic or pneumatic control
Abstract
The invention discloses a chain-connected external-load self-advancing shield hydraulic support for coal mines. The hydraulic support comprises a fixed beam as well as a guide beam and a swing beam which are arranged at two ends of the fixed beam and can rotate in the same plane relative to the fixed beam, wherein a first telescoping mechanism is arranged between the guide beam and the fixed beam, and two ends of the first telescoping mechanism are hinged to the guide beam and the fixed beam respectively; a second telescoping mechanism is arranged between the swing beam and the fixed beam, and two ends of the second telescoping mechanism are hinged to the swing beam and the fixed beam respectively. The support is reliably connected, the clearance between adjacent supports is controlled in a set range, and the fact that waste rock leaks from tops of the supports to hurt people due to overlarge clearance is prevented; besides, when a certain support is required to be removed or replaced during work, all that is required is to remove chains connected with the support, and use and maintenance of the supports are greatly facilitated.
Description
Technical field
The present invention relates to winning equipment field.More specifically, the outer year self-advancing hydraulic support that a kind of chain type connects is related to.
Background technology
China is coal production state maximum in the world and country of consumption, and last year, the coal production in the world was 7,900,000,000 tons, and our country is 38.7 hundred million tons, close to half., there are 5,800,000 coal miners in state-owned 11000 collieries at present.If by working in three shifts, there is nearly two million peoples operation in underground passage all the time.
The support apparatus in colliery is the important leverage of coal miner safety coal mining, and coal mine work coal-face selects hydraulic support stand to be reliable safety support equipment in manufacturing process.
But due to self-assembling formation, the condition in each colliery varies, divide by seam inclination and can be divided into flat seam, gently inclined seam, medium dip coal seam and half-edge coal seam.Existing self-moving comprehensive mining hydraulic bracket and combined suspension moving hydraulic support are only applicable to medium dip and following coal seam.In half-edge coal seam, the now widely used simple rack remained with I-shaped steel work, connected by wire rope, there is more shortcoming in this mode, leakiness cash between as low in support intensity, frame, to adapt to coal thick non-adjustable etc., therefore, the hydraulic support that can be applicable to half-edge coal seam long-mining is also still blank, be solve half-edge coal seam safety support in the urgent need to.
Summary of the invention
The outer year self-advancing hydraulic support that the object of the present invention is to provide a kind of chain type to connect, described support is applicable to high-dipping horizontal slice and inclined cuting layering exploitation, supporting is carried out to face surrounding rock, prevent because cradle top occurs that the leakage cash that excesssive gap causes is hurted sb.'s feelings, the Coal Seam Thickness Change of work plane can be adapted in described support use procedure, and be convenient to safeguard.
For achieving the above object, support of the present invention comprises:
Clamped beam;
Be arranged on described clamped beam two ends, relative to described clamped beam rotatable guide beam and walking beam in same plane;
Be provided with the first telescoping mechanism between described guide beam and described clamped beam, the two ends of described first telescoping mechanism respectively with described guide beam and described clamped beam hinged;
Be provided with the second telescoping mechanism between described walking beam and described clamped beam, the two ends of described second telescoping mechanism respectively with described walking beam and described clamped beam hinged;
Described clamped beam is provided with at least one connector for being connected with adjacent clamped beam, and described connector comprises chain and connecting pin.
Further, described first telescoping mechanism comprises expansion link, expansion screw or hydraulic cylinder.
Further, described second telescoping mechanism comprises jack, expansion screw or expansion link.
Further, the cross section both sides of described clamped beam are arc.
Further, described clamped beam is provided with limited block.
Further, described clamped beam is straight beam or bending beam; When described clamped beam is bending beam, the angle of bending part is obtuse angle.
Further, described clamped beam is monolithic or multi-section combined.
Further, described chain is single-stranded loop or multichain ring.
Further, described support also comprises the hydraulic control system for controlling jack.
Beneficial effect of the present invention is as follows:
1. support of the present invention adopts chain to be connected with clamped beam with connecting pin, and connect reliable, the gap of adjacent stent can control in setting range, prevents excesssive gap and causes cradle top leakage cash to hurt sb.'s feelings; In addition, when a certain support in work needs to remove or change, only remove the chain be connected with this support, greatly facilitate the working service of support;
2. the walking beam of support of the present invention and the angle of clamped beam can adjust, to adapt to the Coal Seam Thickness Change of work plane better; In addition, walking beam can also be used for carrying out putting coal at support afterbody, improves the rate of recovery of coal further;
3, the clamped beam body of support of the present invention also can be combined by multiple clamped beam, to alleviate the weight of single hop beam body in transportation, reduces the labour intensity of workman;
Support of the present invention effectively overcomes the defect of existing girder steel support, for the safety in production of work plane and high-yield and high-efficiency provide effective guarantee.
Accompanying drawing explanation
Fig. 1 is supporting structure front view of the present invention;
Fig. 2 is supporting structure top view of the present invention;
Fig. 3 is clamped beam body section figure of the present invention;
Fig. 4 is support working condition schematic diagram of the present invention;
Fig. 5 is the Telescopic rod structure schematic diagram of support of the present invention;
Fig. 6 is the walking beam adjustment working state schematic representation of support of the present invention.
In figure, 1-guide beam; 2-expansion link; 3-chain; 4-connecting pin; 5-clamped beam; 6-hydraulic control system; 7-jack; 8-walking beam; 10-limited block.
Detailed description of the invention
In order to be illustrated more clearly in the present invention, below in conjunction with preferred embodiments and drawings, the present invention is described further.
As shown in Fig. 1, Fig. 6, described support comprises guide beam 1, clamped beam 5 and walking beam 8, and guide beam 1 is hinged with one end of clamped beam 5, one end of walking beam 8 and the other end of clamped beam 5 hinged; Guide beam 1, clamped beam 5 are hinged with the two ends of the first telescoping mechanism respectively, by changing the length of the first telescoping mechanism, guide beam 1 can be made to change with the angle of clamped beam 5, make guide beam 1 consistent with the inclination angle of top board, between guide beam 1 and clamped beam 5, also the first telescoping mechanism can not be set; First telescoping mechanism can select expansion link 2, expansion screw or hydraulic cylinder; Because half-edge coal seam angle is greater than 40 degree usually, the angular range thus between guide beam 1 and clamped beam 5 is usually between 45 °-90 °.Clamped beam 5, walking beam 8 are hinged with the two ends of the second telescoping mechanism respectively, and the second telescoping mechanism can select jack 7, expansion screw or expansion link; Along with elongating or shortening of the second telescoping mechanism, walking beam 8 can swing relative to clamped beam 5, and walking beam 8 bottom close to or away from guide beam 1, thus makes described support adapt to the different coal thickness situation of work plane; When the second telescoping mechanism is jack structure, described support is also provided with hydraulic control system 6, and hydraulic control system 6 is connected with jack 7 pipeline, can control elongating or shortening of jack 7 by hydraulic control system 6.
As shown in Figure 2, clamped beam 5 is provided with many chains 3, chain 3 is connected with clamped beam 5 by connecting pin 4; In real work face, the clamped beam 5 of adjacent stent is all linked together by chain 3 and connecting pin 4, and because chain 3 has the degree of freedom of multiple directions, therefore, all supports linked together just define the shielding system with certain flexibility.
As shown in Figure 3, not card phenomenon is there is in order to prevent adjacent stent, the cross section both sides of clamped beam 5 are arc, simultaneously in order to limit the gap of adjacent stent, clamped beam 5 can also arrange limited block 10, to control the gap between adjacent stent, in the present embodiment by the clearance control between adjacent stent 0-20mm distance in.
As shown in Figure 4, described support when real work, the top plate contact of guide beam 1 and work plane, the bottom of walking beam 8 and the contacts baseplate of work plane, described support and coal body together form a safe space, produce normally for work plane; Described support is without moving frame mechanism, and after guide beam 1 and the coal body of bottom, walking beam 8 bottom are plucked out of, described support automatically moves down under the effect of self gravitation and goaf, top spoil gravitational load.
The partial enlarged drawing that in Fig. 1, the first telescoping mechanism 2 selects Telescopic rod structure as shown in Figure 5.
The clamped beam 5 of described support can be monolithic also can be multi-section combined, and clamped beam 5 can increase the supporting seat for supplemental support.
Obviously; the above embodiment of the present invention is only for example of the present invention is clearly described; and be not the restriction to embodiments of the present invention; for those of ordinary skill in the field; can also make other changes in different forms on the basis of the above description; here cannot give exhaustive to all embodiments, every belong to technical scheme of the present invention the apparent change of extending out or variation be still in the row of protection scope of the present invention.
Claims (10)
1. an outer year self-advancing hydraulic support connecting by chain type of colliery, is characterized in that, comprising:
Clamped beam (5);
Be arranged on described clamped beam (5) two ends, the guide beam (1) that can rotate in same plane relative to described clamped beam (5) and walking beam (8);
Be provided with the first telescoping mechanism between described guide beam (1) and described clamped beam (5), the two ends of described first telescoping mechanism respectively with described guide beam (1) and described clamped beam (5) hinged;
Be provided with the second telescoping mechanism between described walking beam (8) and described clamped beam (5), the two ends of described second telescoping mechanism respectively with described walking beam (8) and described clamped beam (5) hinged.
2. outer year self-advancing hydraulic support connecting by chain type of colliery according to claim 1, it is characterized in that: described clamped beam (5) is provided with at least one connector for being connected with adjacent clamped beam, described connector comprises chain (3) and connecting pin (4).
3. outer year self-advancing hydraulic support connecting by chain type of colliery according to claim 1, is characterized in that: described first telescoping mechanism comprises expansion link, expansion screw or hydraulic cylinder.
4. outer year self-advancing hydraulic support connecting by chain type of colliery according to claim 1, is characterized in that: described second telescoping mechanism comprises jack, expansion screw or expansion link.
5. outer year self-advancing hydraulic support connecting by chain type of colliery according to claim 1, is characterized in that: the cross section both sides of described clamped beam (5) are arc.
6. outer year self-advancing hydraulic support connecting by chain type of colliery according to claim 1, is characterized in that: described clamped beam (5) is provided with limited block (10).
7. outer year self-advancing hydraulic support connecting by chain type of colliery according to claim 1, is characterized in that: described clamped beam (5) is straight beam or bending beam; When described clamped beam (5) is for bending beam, the angle of bending part is obtuse angle.
8. outer year self-advancing hydraulic support connecting by chain type of colliery according to claim 1, is characterized in that: described clamped beam (5) is monolithic or multi-section combined.
9. outer year self-advancing hydraulic support connecting by chain type of colliery according to claim 2, is characterized in that: described chain (3) is single-stranded loop or multichain ring.
10. outer year self-advancing hydraulic support connecting by chain type of colliery according to claim 1, is characterized in that: described support also comprises the hydraulic control system (6) for controlling jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511021130.4A CN105422154A (en) | 2015-12-30 | 2015-12-30 | Chain-connected external-load self-advancing shield hydraulic support for coal mines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511021130.4A CN105422154A (en) | 2015-12-30 | 2015-12-30 | Chain-connected external-load self-advancing shield hydraulic support for coal mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105422154A true CN105422154A (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511021130.4A Pending CN105422154A (en) | 2015-12-30 | 2015-12-30 | Chain-connected external-load self-advancing shield hydraulic support for coal mines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105422154A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359941A (en) * | 2019-07-12 | 2019-10-22 | 天地科技股份有限公司 | A kind of top beam and the hydraulic support comprising the top beam |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2276729C1 (en) * | 2004-10-04 | 2006-05-20 | Аркадий Маркович Долинский | Facility for coal excavation from inclined and steeply inclined beds, conveyer flight and control system for the facility |
| CN101482025A (en) * | 2008-01-10 | 2009-07-15 | 李泽宇 | Light hydraulic support |
| CN101769159A (en) * | 2010-01-22 | 2010-07-07 | 北京诚田恒业煤矿设备有限公司 | Flexible shield-type hydraulic support for coal mine |
| CN103557022A (en) * | 2013-11-04 | 2014-02-05 | 开滦(集团)有限责任公司技术中心 | Large-mining-height hydraulic support capable of passing through small roadway |
| CN103643980A (en) * | 2013-12-27 | 2014-03-19 | 重庆天巨承机械制造有限责任公司 | Shield support for steep medium-thickness coal seam |
| CN104695996A (en) * | 2015-02-12 | 2015-06-10 | 武文成 | Full loading self-moving anti-toppling and anti-slipping hydraulic support |
| CN205297614U (en) * | 2015-12-30 | 2016-06-08 | 北京华创矿安科技有限公司 | Screen hydraulic support from formula of moving in outer year of chain connection for coal mine |
-
2015
- 2015-12-30 CN CN201511021130.4A patent/CN105422154A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2276729C1 (en) * | 2004-10-04 | 2006-05-20 | Аркадий Маркович Долинский | Facility for coal excavation from inclined and steeply inclined beds, conveyer flight and control system for the facility |
| CN101482025A (en) * | 2008-01-10 | 2009-07-15 | 李泽宇 | Light hydraulic support |
| CN101769159A (en) * | 2010-01-22 | 2010-07-07 | 北京诚田恒业煤矿设备有限公司 | Flexible shield-type hydraulic support for coal mine |
| CN103557022A (en) * | 2013-11-04 | 2014-02-05 | 开滦(集团)有限责任公司技术中心 | Large-mining-height hydraulic support capable of passing through small roadway |
| CN103643980A (en) * | 2013-12-27 | 2014-03-19 | 重庆天巨承机械制造有限责任公司 | Shield support for steep medium-thickness coal seam |
| CN104695996A (en) * | 2015-02-12 | 2015-06-10 | 武文成 | Full loading self-moving anti-toppling and anti-slipping hydraulic support |
| CN205297614U (en) * | 2015-12-30 | 2016-06-08 | 北京华创矿安科技有限公司 | Screen hydraulic support from formula of moving in outer year of chain connection for coal mine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359941A (en) * | 2019-07-12 | 2019-10-22 | 天地科技股份有限公司 | A kind of top beam and the hydraulic support comprising the top beam |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160323 |