CN104975865A - Comprehensive mechanized coal mining face end head hydraulic rack - Google Patents
Comprehensive mechanized coal mining face end head hydraulic rack Download PDFInfo
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- CN104975865A CN104975865A CN201510398771.5A CN201510398771A CN104975865A CN 104975865 A CN104975865 A CN 104975865A CN 201510398771 A CN201510398771 A CN 201510398771A CN 104975865 A CN104975865 A CN 104975865A
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Abstract
The invention discloses a comprehensive mechanized coal mining face end head hydraulic rack comprising two racks arranged at intervals and parallel to each other. Each rack is formed by a top beam, a pedestal, a stand column and a pushing jack, wherein the stand column can telescopically arranged between the top beam and the pedestal; the pushing jack is arranged between the pedestals of the two racks along the length direction of the pedestal; the front and back ends of the pushing jack are respectively hinged with the pedestals of the two racks to push the two racks to move advance. Compared with the prior art, the whole end head hydraulic rack can achieve self-movements without connections with any equipment; and the comprehensive mechanized coal mining face end head hydraulic rack is simply structured, requires low cost and can smoothly move.
Description
Technical field
The present invention relates to the support apparatus field of coal mine fully-mechanized mining working, particularly a kind of fully-mechanized mining working faces end head hydraulic support.
Background technology
Due to underground coal mine complex geologic conditions, terrane stress skewness, bad environments, is mined and is transported vibration influence, and back distortion is serious, and two help also inwardly to extrude, shrink, and directly affects tunnel transport and personal security.Especially in work plane two ends place and work plane and crossheading junction, tunnel can a large amount of distortion, and pressure is large especially, therefore must arrange support apparatus at work plane two ends, to ensure large-scale coal-winning machine, elevating conveyor, the safe handling of conveying function.Along with applying of comprehensive mining machinery coal-face, the urgency of end hydraulic supporting is more and more outstanding.Realize end support mechanization be reduce heavy physical labor, reduce accident rate and improve fltting speed be the key realizing high-yield and high-efficiency.
At present, for the supporting of fully-mechanized mining working crossheading lane top board, generally adopt in two ways: one is monomer hydraulic bracket supporting (specifically as shown in Figure 1), whole dependence manpower installs, withdraws hydraulic prop, can cause that work plane personnel are many, labour intensity is large, top board ore deposit pressure easily bores the end, and the flimsy situation of equipment occurs, and has poor stability, efficiency is low, cost is high shortcoming; Another kind is the special support apparatus in fully-mechanized mining working crossheading lane (specifically as shown in Figure 2), but due to factors such as crossheading equipment are intensive, narrow space, scrapper conveyor frame head and tail and elevating conveyor shifting amount are large, current special face end support is caused to be difficult to arrange, moving difficulty, even can with the problem such as crossheading equipment interferes, affect the high-yield and high-efficiency of fully-mechanized mining working.
So, seek that a kind of structure is simple, with low cost, reliable in function, moved frame smoothly, to fully-mechanized mining working crossheading space characteristic and the adaptable fully-mechanized mining working faces end head hydraulic support of industrial and mineral, become those skilled in the art to need the technical problem of solution badly.
Summary of the invention
In view of this, the present invention proposes a kind of fully-mechanized mining working faces end head hydraulic support, the problems such as fully-mechanized mining working support apparatus cost is high to solve, moving difficulty, narrow space, equipment weight, bad adaptability, and then realizes the safety of fully-mechanized mining working, high yield and efficient.
On the one hand, the invention provides a kind of fully-mechanized mining working faces end head hydraulic support, comprise two supports that parallel interval is arranged, two described Bracket setting are identical, single described support comprises back timber, base, column and advancing jack, and described column telescopically is arranged between described back timber and described base; Described advancing jack is arranged between the base of two described supports along the length direction of described base, and the front and back end of described advancing jack is hinged with the base of two described supports respectively, moves forward for promoting two described supports.
Further, described chassis outer side is provided with for preventing described fully-mechanized mining working faces end head hydraulic support from tilting or falling the support leg mechanism of frame, described support leg mechanism and described base hinged.
Further, described support leg mechanism comprises two supporting legs, and two described supporting legs are arranged at the two ends of described base respectively, and one end and the described base of single described supporting leg are hinged, and its other end is held on ground, tunnel.
Further, described support leg mechanism also comprises supporting leg jack, and described supporting leg jack is hinged to be arranged between described back timber and single described supporting leg or between described base and single described supporting leg.
Further, described back timber is provided with anti-bite frame roll bending, for preventing described back timber and described base to sting frame, the anti-bite frame roll bending of described back timber and the amount of lap of described base are greater than the stroke of described advancing jack.
Further, the anti-bite frame roll bending on the described back timber of two described supports is oppositely arranged.
Further, the quantity of described advancing jack is one.
Further, the front end that described fully-mechanized mining working faces end head hydraulic support also comprises front-axle beam, described front-axle beam is articulated with described back timber.
Further, described fully-mechanized mining working faces end head hydraulic support also comprises the quadric chain being arranged at described bracket end, described back timber by described quadric chain and described base hinged
Further, the quantity of the described column on single described support is two, and two described columns are arranged at the end of described base and described back timber.
Fully-mechanized mining working faces end head hydraulic support provided by the invention, comprise two supports that parallel interval is arranged, two described Bracket setting are identical, and single described support comprises back timber, base, column and advancing jack, and described column telescopically is arranged between back timber and base; Described advancing jack is arranged between the base of two described supports along the length direction of described base, and the front and back end of described advancing jack is hinged with the base of two described supports respectively, moves forward for promoting two described supports.Compared to existing technologies, whole end hydraulic support, without the need to being connected with other equipment, can realize taking a step from moving, and structure is simple, with low cost and to move frame smooth.Further, described chassis outer side is provided with for preventing described riding or falling the support leg mechanism of frame, described support leg mechanism and described base hinged, improve the stability of fully-mechanized mining working faces end head hydraulic support.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of monomer hydraulic bracket supporting in correlation technique;
Fig. 2 is the structural representation of the special support apparatus in fully-mechanized mining working crossheading lane in correlation technique;
Fig. 3 is the front view of fully-mechanized mining working faces end head hydraulic support one embodiment of the present invention;
Fig. 4 is the top view of fully-mechanized mining working faces end head hydraulic support one embodiment of the present invention;
Fig. 5 is the lateral view of fully-mechanized mining working faces end head hydraulic support one embodiment of the present invention.
Fig. 3 to Fig. 5 description of reference numerals
1 left socle 2 right support 3 advancing jack
4 front-axle beam 5 back timber 6 quadric chains
7 supporting leg 8 column 9 bases
The anti-bite frame roll bending of 10 supporting leg jack 11
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Basic thought of the present invention is: for solving existing monomer hydraulic bracket supporting poor stability, efficiency is low, high and the special support apparatus difficult arrangement of fully-mechanized mining working of cost, not easily move frame, bad adaptability, high in cost of production problem, the present invention proposes a kind of fully-mechanized mining working faces end head hydraulic support, this end hydraulic support is two framves (left socle 1 and right support 2), one group of automatic moving type end hydraulic support of taking a step, advancing jack 3 front and back end is articulated with on the base 9 of left socle 1 and right support 2 respectively, realization is taken a step from moving, and hinged support leg mechanism strengthens the stability of support outside base 9, there is structure simple, with low cost, reliable in function and move frame advantage smoothly.
Below in conjunction with Fig. 3 to Fig. 5, the preferred embodiments of the present invention are described in further detail.
As shown in Figures 3 to 5, a kind of fully-mechanized mining working faces end head hydraulic support, be positioned at the junction in fully-mechanized mining working and tunnel, comprise left socle 1 and right support 2 two supports of parallel interval setting, arranging of left socle 1 and right support 2 is identical, particularly, left socle 1 and right support 2 are provided with back timber 5, base 9, column 8 and advancing jack 3, the top plate contact in back timber 5 and tunnel, the earth surface in base 9 and tunnel, column 8 telescopically is arranged between back timber 5 and base 9, advancing jack 3 is arranged between the base 9 of left socle 1 and right support 2 along the length direction of base 9, and the front and back end of advancing jack 3 is hinged with the base 9 of two supports respectively, move forward for promoting two supports.Preferably, the quantity of advancing jack 3 is one.Arranging whole end hydraulic support without the need to being connected with other equipment by above-mentioned, can realizing taking a step from moving, structure is simple, with low cost and to move frame convenient.It should be noted that, in the present invention, the form of structure of back timber 5 is according to underworkings profile design, to adapt to arched tunnel and rectangular shaped roadways (plane back timber), does not do too much restriction at this.
Further, for promoting the stability of aforementioned end hydraulic support, effectively prevent end hydraulic support tilt or fall frame, the arranged outside of base 9 has support leg mechanism, this support leg mechanism and base 9 hinged.Particularly, as shown in Figure 3 and Figure 5, this support leg mechanism comprises supporting leg 7 and supporting leg jack 10, and hinged outside one end of supporting leg 7 and base 9, its other end is held on the ground in tunnel, and 10, supporting leg jack is hinged to be arranged between back timber 5 and supporting leg 7.It should be noted that, supporting leg jack 10 also can hingedly be arranged between base 9 and supporting leg 7., it is worth mentioning, for stablizing this end hydraulic support better, in the present invention, the quantity of supporting leg 7 is preferably two, and two supporting legs 7 are arranged at the two ends of base 9 respectively meanwhile.
As shown in Figure 4, for avoiding moving the generation of stinging frame phenomenon in frame process, back timber 5 is provided with anti-bite frame roll bending 11, anti-bite frame roll bending 11 is arranged along the length direction of back timber 5, the two ends of anti-bite frame roll bending 11 are crimping, back timber 5 and base 9 are close to by anti-bite frame roll bending 11 straight line is seamless, and the anti-bite frame roll bending 11 of back timber 5 and the amount of lap of base 9 are greater than the stroke of aforementioned advancing jack 3.Particularly, the anti-bite frame roll bending 11 on left socle 1 and right support 2 is oppositely arranged.
In addition, in the preferred embodiment of the present invention, fully-mechanized mining working faces end head hydraulic support also comprises front-axle beam 4 and quadric chain 6, and front-axle beam 4 is articulated with the front end of back timber 5, quadric chain 6 is arranged at the end of left socle 1 and right support 2, and back timber 5 is hinged by quadric chain 6 and base 9.It should be noted that, the setting of quadric chain 6 ensure that the stability of left and right two support two-piece units.
Preferably, as shown in Figure 3, the quantity of the column 8 on left and right two supports is two, and the scalable end being arranged at aforementioned left and right support of two root posts 8, namely the two ends up and down of column 8 are arranged at the end of back timber 5 and base 9 respectively.
It should be noted that, in a kind of fully-mechanized mining working faces end head hydraulic support of the present invention, also comprise hydraulic control system, about the structure reference prior art of this hydraulic control system, be not elaborated at this.
Fully-mechanized mining working faces end head hydraulic support preferred embodiment of the present invention is overall as follows from the operating principle of moving a step pitch forward:
This end hydraulic support is positioned at fully-mechanized mining working and junction, tunnel, left and right two rack arrangement are in the head of scrapper conveyor or tail, when fully-mechanized mining working advances a step pitch, left socle 1 support top (back timber 5 of left socle 1 contacts with back), post (column 8 on right support 2 shrinks) falls in right support 2, the back timber 5 of right support 2 declines, leave back, the supporting leg jack 10 of right support 2 is regained, the supporting leg 7 of right support 2 leaves floor, stretch advancing jack 3, right support 2 moves forward a step pitch, then right support 2 setting prop (column 8 on right support 2 stretches), the back timber 5 of right support 2 rises, supported laneway top board, the supporting leg jack 10 of right support 2 stretches out, the supporting leg 7 of right support 2 contacts ground, tunnel, post (column 8 on left socle 1 shrinks) falls in left socle 1, the back timber 5 of left socle 1 declines, leave back, the supporting leg jack 10 of left socle 1 is regained, the supporting leg 7 of left socle 1 leaves ground, tunnel, shrink advancing jack 10, left socle 1 moves forward a step pitch, whole circulation realizes end hydraulic support entirety forward from moving a step pitch, progressively push ahead with this order.
In sum, fully-mechanized mining working faces end head hydraulic support in the present invention comprises left socle 1 and right support 2 two supports of parallel interval setting, arranging of left socle 1 and right support 2 is identical, particularly, single support comprises advancing jack 3, front-axle beam 4, back timber 5, left and right quadric chain 6, supporting leg 7, column 8, base 9, supporting leg jack 10, anti-bite frame roll bending 11 and hydraulic control system, front-axle beam 4 is articulated with back timber 5, back timber 5 is connected with base 9 by quadric chain 6, column 8 is connected between back timber 5 and base 9, supporting leg jack 10 is connected between back timber 5 and supporting leg 7, supporting leg 7 is hinged with base 9, advancing jack 3 front and back end respectively with a left side, base 9 on right two supports connects, be positioned over a left side, between the base 9 of right two supports, back timber 5 and base 9 are close to respectively by anti-bite frame roll bending 11 straight line is seamless.Above-mentioned fully-mechanized mining working faces end head hydraulic support solves existing monomer hydraulic bracket poor stability, efficiency is low, cost is high and fully-mechanized mining working special support apparatus difficult arrangement, not easily move frame, bad adaptability, technical problem that cost is high, have that structure is simple, with low cost, reliable in function, move frame smoothly and to fully-mechanized mining working crossheading space characteristic and the adaptable advantage of industrial and mineral, achieve the mechanization supporting of fully-mechanized mining working back, ensure that the safety of fully-mechanized mining working, high yield and efficient.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a fully-mechanized mining working faces end head hydraulic support, comprise two supports that parallel interval is arranged, two described Bracket setting are identical, it is characterized in that, single described support comprises back timber (5), base (9), column (8) and advancing jack (3), and described column (8) telescopically is arranged between described back timber (5) and described base (9); Described advancing jack (3) is arranged between the base (9) of two described supports along the length direction of described base (9), and the front and back end of described advancing jack (3) is hinged with the base (9) of two described supports respectively, move forward for promoting two described supports.
2. fully-mechanized mining working faces end head hydraulic support according to claim 1, it is characterized in that, described base (9) arranged outside has for preventing described fully-mechanized mining working faces end head hydraulic support from tilting or falling the support leg mechanism of frame, described support leg mechanism and described base (9) hinged.
3. fully-mechanized mining working faces end head hydraulic support according to claim 2, it is characterized in that, described support leg mechanism comprises two supporting legs (7), two described supporting legs (7) are arranged at the two ends of described base (9) respectively, one end and the described base (9) of single described supporting leg (7) are hinged, and its other end is held on ground, tunnel.
4. fully-mechanized mining working faces end head hydraulic support according to claim 3, it is characterized in that, described support leg mechanism also comprises supporting leg jack (10), and described supporting leg jack (10) is hinged to be arranged between described back timber (5) and single described supporting leg (7) or between described base (9) and single described supporting leg (7).
5. fully-mechanized mining working faces end head hydraulic support according to claim 1, it is characterized in that, described back timber (5) is provided with anti-bite frame roll bending (11), for preventing described back timber (5) and described base (9) to sting frame, the anti-bite frame roll bending (11) of described back timber (5) and the amount of lap of described base (9) are greater than the stroke of described advancing jack (3).
6. fully-mechanized mining working faces end head hydraulic support according to claim 5, is characterized in that, the anti-bite frame roll bending (11) on the described back timber (5) of two described supports is oppositely arranged.
7. fully-mechanized mining working faces end head hydraulic support according to claim 1, is characterized in that, the quantity of described advancing jack (3) is one.
8. the fully-mechanized mining working faces end head hydraulic support according to any one of claim 1-7, is characterized in that, also comprises front-axle beam (4), front end that described front-axle beam (4) is articulated with described back timber (5).
9. the fully-mechanized mining working faces end head hydraulic support according to any one of claim 1-7, it is characterized in that, also comprise the quadric chain (6) being arranged at described bracket end, described back timber (5) is hinged by described quadric chain (6) and described base (9).
10. the fully-mechanized mining working faces end head hydraulic support according to any one of claim 1-7, it is characterized in that, the quantity of the described column (8) on single described support is two, and two described columns (8) are arranged at the end of described base (9) and described back timber (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510398771.5A CN104975865A (en) | 2015-07-08 | 2015-07-08 | Comprehensive mechanized coal mining face end head hydraulic rack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510398771.5A CN104975865A (en) | 2015-07-08 | 2015-07-08 | Comprehensive mechanized coal mining face end head hydraulic rack |
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| Publication Number | Publication Date |
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| CN104975865A true CN104975865A (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510398771.5A Pending CN104975865A (en) | 2015-07-08 | 2015-07-08 | Comprehensive mechanized coal mining face end head hydraulic rack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401969A (en) * | 2015-11-30 | 2016-03-16 | 山东新煤机械装备股份有限公司 | Light-type under-well tunneling bracket |
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| DE10348099B3 (en) * | 2003-10-16 | 2004-12-02 | Maschinenfabrik Glückauf GmbH & Co. KG | Longwall for underground mining comprises a roof member that is assigned a lower member which is supported by a hydraulic piston and is hinged at one end to the roof member |
| CN1786419A (en) * | 2004-12-10 | 2006-06-14 | 兖州煤业股份有限公司 | Hydraulic supporter for end of widening working face |
| CN203130123U (en) * | 2013-03-13 | 2013-08-14 | 郑州煤矿机械集团股份有限公司 | Snapping-preventive device for two-frame-in-on-group type face end support |
| CN104314597A (en) * | 2014-11-05 | 2015-01-28 | 冀中能源股份有限公司 | Self-moving end hydraulic support |
| CN204163751U (en) * | 2014-11-05 | 2015-02-18 | 冀中能源股份有限公司 | A kind of automatic moving type end hydraulic support |
-
2015
- 2015-07-08 CN CN201510398771.5A patent/CN104975865A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10348099B3 (en) * | 2003-10-16 | 2004-12-02 | Maschinenfabrik Glückauf GmbH & Co. KG | Longwall for underground mining comprises a roof member that is assigned a lower member which is supported by a hydraulic piston and is hinged at one end to the roof member |
| CN1786419A (en) * | 2004-12-10 | 2006-06-14 | 兖州煤业股份有限公司 | Hydraulic supporter for end of widening working face |
| CN203130123U (en) * | 2013-03-13 | 2013-08-14 | 郑州煤矿机械集团股份有限公司 | Snapping-preventive device for two-frame-in-on-group type face end support |
| CN104314597A (en) * | 2014-11-05 | 2015-01-28 | 冀中能源股份有限公司 | Self-moving end hydraulic support |
| CN204163751U (en) * | 2014-11-05 | 2015-02-18 | 冀中能源股份有限公司 | A kind of automatic moving type end hydraulic support |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401969A (en) * | 2015-11-30 | 2016-03-16 | 山东新煤机械装备股份有限公司 | Light-type under-well tunneling bracket |
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