CN202483604U - Hydraulic support for pitched-roof roadway forepoling - Google Patents

Hydraulic support for pitched-roof roadway forepoling Download PDF

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Publication number
CN202483604U
CN202483604U CN 201220048194 CN201220048194U CN202483604U CN 202483604 U CN202483604 U CN 202483604U CN 201220048194 CN201220048194 CN 201220048194 CN 201220048194 U CN201220048194 U CN 201220048194U CN 202483604 U CN202483604 U CN 202483604U
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CN
China
Prior art keywords
hydraulic support
top board
jack
frame
base
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Expired - Fee Related
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CN 201220048194
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Chinese (zh)
Inventor
陆松青
郑晓林
吴迪
肖勇
张洋
蒋玲
操良伟
郭子铭
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Chongqing Dajiang Industry Co Ltd
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Chongqing Dajiang Industry Co Ltd
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Priority to CN 201220048194 priority Critical patent/CN202483604U/en
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Publication of CN202483604U publication Critical patent/CN202483604U/en
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Abstract

The utility model discloses a hydraulic support for a pitched-roof roadway forepoling. The hydraulic support comprises a basic frame serving as a front frame and a basic frame serving as a rear frame, wherein the front frame and the rear frame are the same in structure, and two moving jacks are arranged between the front frame and the rear frame. Each basic frame comprises a base, two stand columns, two lifting columns, two top beams and a head board arranged above the two top beams, wherein the inclined angle alpha of the head board ranges from 15 degrees to 50 degrees. The hydraulic support adopts the lifting columns for replacing caving shields to be hinged with the top beams and can adapt to height changing of a roadway, the stand columns are supported between the base and the top beams in inclined mode, the top beams can adapt to changing of an inclined angle and a supporting pitched-roof roadway top board, a base fixing groove can bear lateral component force of a rock top board transmitted by the top beams and the lifting columns, and the top beams cannot slide upwards along the top board of roadway, so that the hydraulic support can stably and effectively support the inclined rock top board, and the urgent requirements for fast, advanced and stable supporting of the pitched-roof roadway and safe production of high-yield efficient comprehensive mechanical coal mining of coal mines are met.

Description

A kind of hydraulic support that is used for oblique top lame advanced supporting
Technical field
The utility model relates to the coal mine support device, is specifically related to a kind of hydraulic support that is used for oblique top lame advanced supporting, particularly can adapt to Xie Ding inclination angle excursion big machine lane and air way.
Background technology
Along with the coal mine machinery coal mining, particularly combine the development adopt, the quick and safe advance support problem of support in gateway of coal mining face (comprising machine lane and air way) is highlighted.Usually the supporting ratio in flat-top tunnel is easier to solve, but tiltedly top lame advanced supporting difficulty is more, and especially difficult point of supporting laterally moves forward.The support that generally is used for the flat-top tunnel can not solve an oblique top roadway support stability difficult problem; Mainly be owing to set cap supports making progress to the component of side of tiltedly top generation; Cause back timber upwards to side slip; Make the ability of support loss of stability and the oblique top board of supporting, can not solve the advance support and horizontal reach problem in Xie Ding tunnel, greatly influence and restrict the development of comprehensive quick and High-efficient Production of adopting.Therefore, be badly in need of the hydraulic support of development oblique top lame advanced supporting and horizontal reach at present, the Xie Ding tunnel stablized supporting and the demand that laterally moves forward safely in advance to adapt to coal mine fully-mechanized mining.
Summary of the invention
The purpose of the utility model provides a kind of hydraulic support that is used for oblique top lame advanced supporting; This hydraulic support can carry out advance support to the Xie Ding tunnel, and before can be laterally, safeguards roadway surrounding rock; Effective working space and enough ventilation sections are provided; Reduce cost of winning, accelerate face propulsion speed, guarantee synchronous advance support and the safety requirements of comprehensive quick propelling of adopting the Xie Ding tunnel.
The described a kind of hydraulic support that is used for oblique top lame advanced supporting of the utility model comprises at least two basic framves that structure is identical, it is characterized in that: between two adjacent basic framves, be provided with the passing jack.The length that can screen as required increases basic frame and the quantity of passing jack;
Technical scheme commonly used is: comprise that one is the basic frame of after-frame for the basic frame of side arm and one, the structure of side arm and after-frame is identical, between side arm and after-frame, is provided with two passing jack.
Further; Said basic frame comprises that column, two lower ends that base, two lower ends and base cut with scissors insert the lifting columns in the base another side holddown groove on one side; The upper end of two root posts is hinged with an end of two back timbers respectively, and the upper end of two lifting columns is hinged with the other end of two back timbers respectively; In every lifting column, be provided with one and support jack, this supports jack control lifting column and goes up and down; One protect top board two being provided with above the back timber; Said two back timbers and be located at the top top board that protects and have a down dip in the effect of two root posts and two lifting columns, the scope of tilt angle alpha is 15 °~50 °.
Further, said basic frame comprises that also two are located at two extensible canopies, two below back timber one end respectively and are located at two spring axis of guides below the back timbers middle part respectively; Between the extensible canopy and the spring axis of guide, be provided with the extensible canopy jack, stretching of this extensible canopy jack control extensible canopy screened oblique top scope with expansion; Comprise that also two are located at respectively and protect the top board jack below two back timber the other end, this end that protects the top board jack is connected on the back timber, the other end with protect top board and be connected; Like this, can not only adapt to widening of top board, but also increase shielding pedestrian's space.
Further, said back timber is provided with reeding, with the frictional force that top board and top board are protected in increase, back timber and top board generation relative displacement when preventing diagonal brace.
Further, be provided with elevating conveyor above the said base, this elevating conveyor is between two root posts and two lifting columns.
The utility model adopts lifting column to replace caving shield and back timber is hinged, and lifting column inserts in the base holddown groove, is gone up and down by jack control, can adapt to the tunnel and just change; The column diagonal brace is between base and back timber, and back timber can adapt to support inclined gallery top board and the inclination angle changes; The base holddown groove bears the cross component force that the rock top board comes through back timber, lifting column transmission, and back timber can not make the stable and effective support inclination rock top board of hydraulic support upwards to side slip by oblique top board along the tunnel; The back timber upside is provided with the extensible canopy by the spring axis of guide and jack control, has enlarged and has protected top area; Solve and satisfied colliery high-yield and high-efficiency comprehensive mechanical coal mining is stablized supporting and safety in production fast in advance to the Xie Ding tunnel an urgent demand.
Description of drawings
Fig. 1 is the overall structural representation of the utility model.
Fig. 2 is the lateral view of the basic frame of the utility model.
Fig. 3 is the elevation of the basic frame of the utility model.
Fig. 4 is the vertical view of the base of the basic frame of the utility model.
Fig. 5 is the sectional view of back timber thruster jack.
Fig. 6 is the sketch map of top beam spring, guide rod.
Fig. 7 is the sectional view of top beam spring, guide rod.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.
Comprise that referring to a kind of hydraulic support that is used for oblique top lame advanced supporting illustrated in figures 1 and 2 one is the basic frame of after-frame 3 for the basic frame of side arm 1 and one; Side arm 1 is identical with the structure of after-frame 3, between side arm 1 and after-frame 3, is provided with two passing jack 2.
Referring to Fig. 3, Fig. 4, Fig. 5; Said basic frame comprises that column that base 10, two lower ends and base cut with scissors 14, two lower ends insert the lifting column 6 in the base another side holddown groove on one side; The upper end of two root posts is hinged with an end of two back timbers 7 respectively, and the upper end of two lifting columns 6 is hinged with the other end of two back timbers 7 respectively; In every lifting column 6, be provided with one and support jack 13, this supports jack control lifting column and goes up and down; Being provided with on two back timbers 7 one protected top board 4; Said two back timbers 7 and be located at the top top board 4 that protects and have a down dip in the effect of two root posts 14 and two lifting columns 6, tilt angle alpha is 15 °.
Referring to Fig. 3, Fig. 6 and Fig. 7, said basic frame comprises that also two are located at two extensible canopies 9, two below back timber 7 one ends respectively and are located at two spring axis of guides 12 below back timber 7 middle parts respectively; Between the extensible canopy 9 and the spring axis of guide 12, be provided with extensible canopy jack 11, this extensible canopy jack is controlled the flexible of extensible canopy; Comprise that also two are located at respectively and protect top board jack 5 below two back timber 7 the other end, this end that protects the top board jack is connected on the back timber 7, the other end with protect top board 4 and be connected; Said back timber 7 is provided with reeding 15; Be provided with elevating conveyor 8 above the said base 10, this elevating conveyor is between two root posts and two lifting columns.
A kind of advance support that the utility model is mainly used in fully-mechanized mining working Xie Ding tunnel (comprising machine lane and air way) support that laterally moves forward, its advantage is following:
(1) adopt lifting column and back timber to be hinged, lifting column inserts in the base holddown groove and by the structure that jack control is gone up and down, adapts to the tunnel especially and just change;
(2) adopt the column diagonal brace between base and back timber, make back timber can adapt to top board inclination angle, inclined gallery and change (15 °~50 °);
(3) the base holddown groove bears the cross component force that the rock top board comes through back timber, lifting column transmission, back timber can along oblique top board upwards, to side slip, make support stable with effective support inclination rock top board;
(4) through the extensible canopy of back timber upside by spring assembly, guiding back shaft and jack control, can enlarge inclined gallery and protect top area, downside protects top board to protect the pedestrian space by protecting the control of top board jack:
(5) be designed with the frictional force that reeding increases top board and top board on the back timber, back timber and top board generation relative displacement when preventing diagonal brace:
(6) according to the down-hole traffic condition, every pack support and member thereof are unsuitable wide long, adopt the versatility technical measures, by many combinations arbitrarily of identical basic frame, adapt to the requirement of lame advanced supporting length, and can change direction and use;
(7) advance support in Xie Ding tunnel and the difficult problem of horizontal reach have been solved; Effectively satisfied to combine and adopted, coal mine machineryization has been combined the mining height product efficiently will play guaranteeing role with the safety in production development to the advance support in Lane two, oblique top (machine lane and air way) and the laterally requirement of reach safely.

Claims (6)

1. a hydraulic support that is used for oblique top lame advanced supporting comprises at least two basic framves that structure is identical, it is characterized in that: between two adjacent basic framves, be provided with the passing jack.
2. a kind of hydraulic support that is used for oblique top lame advanced supporting according to claim 1; It is characterized in that: comprise that one is the basic frame of after-frame (3) for the basic frame of side arm (1) and one; Side arm (1) is identical with the structure of after-frame (3), between side arm (1) and after-frame (3), is provided with two passing jack (2).
3. a kind of hydraulic support that is used for oblique top lame advanced supporting according to claim 1 and 2; It is characterized in that: said basic frame comprises that the lifting columns (6) in base (10) the another side holddown groove are inserted in column (14), two lower ends of hinge for base (10), two lower ends and base (10) on one side; The upper end of two root posts (14) is hinged with an end of two back timbers (7) respectively, and the upper end of two lifting columns (6) is hinged with the other end of two back timbers (7) respectively; In every lifting column (6), be provided with one and support jack (13), this supports jack control lifting column and goes up and down; Being provided with on two back timbers (7) one protected top board (4); Said two back timbers (7) and be located at the top top board (4) that protects and have a down dip in the effect of two root posts (14) and two lifting columns (6), the scope of tilt angle alpha is 15 °~50 °.
4. a kind of hydraulic support that is used for oblique top lame advanced supporting according to claim 1 and 2 is characterized in that: said basic frame comprises that also two are located at the extensible canopy (9) below two back timbers (7) one ends, two spring axis of guides (12) that are located at respectively below two back timbers (7) middle part respectively; Between the extensible canopy (9) and the spring axis of guide (12), be provided with extensible canopy jack (11), this extensible canopy jack is controlled the flexible of extensible canopy; Comprise that also two are located at respectively and protect top board jack (5) below two back timbers (7) the other end, this end that protects the top board jack is connected on the back timber (7), the other end with protect top board (4) and be connected.
5. a kind of hydraulic support that is used for oblique top lame advanced supporting according to claim 3 is characterized in that: said back timber (7) is provided with reeding (15).
6. a kind of hydraulic support that is used for oblique top lame advanced supporting according to claim 3 is characterized in that: be provided with elevating conveyor (8) above the said base (10), this elevating conveyor is between two root posts and two lifting columns.
CN 201220048194 2012-02-15 2012-02-15 Hydraulic support for pitched-roof roadway forepoling Expired - Fee Related CN202483604U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220048194 CN202483604U (en) 2012-02-15 2012-02-15 Hydraulic support for pitched-roof roadway forepoling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220048194 CN202483604U (en) 2012-02-15 2012-02-15 Hydraulic support for pitched-roof roadway forepoling

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Publication Number Publication Date
CN202483604U true CN202483604U (en) 2012-10-10

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103758545A (en) * 2013-12-06 2014-04-30 中煤北京煤矿机械有限责任公司 Anti-slide mechanism for top beam of hydraulic support
CN104018868A (en) * 2014-06-20 2014-09-03 山西东华机械有限公司 Integrated gate type fore support
CN104018869A (en) * 2014-06-20 2014-09-03 山西东华机械有限公司 Advanced support supporting device
CN104047627A (en) * 2014-07-15 2014-09-17 沈阳天安矿山机械股份有限公司 Mining roadway frame style advanced support bracket
CN105909291A (en) * 2016-06-12 2016-08-31 王子升 Large mining height triangular hydraulic support
CN106761860A (en) * 2017-02-08 2017-05-31 李信斌 A kind of roadway support equipment
CN109441497A (en) * 2018-12-24 2019-03-08 永城煤电控股集团有限公司 Without support advance support repeatedly, carry complete set of equipments and method for carrying

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103758545A (en) * 2013-12-06 2014-04-30 中煤北京煤矿机械有限责任公司 Anti-slide mechanism for top beam of hydraulic support
CN104018868A (en) * 2014-06-20 2014-09-03 山西东华机械有限公司 Integrated gate type fore support
CN104018869A (en) * 2014-06-20 2014-09-03 山西东华机械有限公司 Advanced support supporting device
CN104018869B (en) * 2014-06-20 2016-08-24 山西东华机械有限公司 Advance timbering suspension device
CN104047627A (en) * 2014-07-15 2014-09-17 沈阳天安矿山机械股份有限公司 Mining roadway frame style advanced support bracket
CN105909291A (en) * 2016-06-12 2016-08-31 王子升 Large mining height triangular hydraulic support
CN105909291B (en) * 2016-06-12 2018-03-13 山东鼎安检测技术有限公司 High working face triangle hydraulic support
CN106761860A (en) * 2017-02-08 2017-05-31 李信斌 A kind of roadway support equipment
CN109441497A (en) * 2018-12-24 2019-03-08 永城煤电控股集团有限公司 Without support advance support repeatedly, carry complete set of equipments and method for carrying
CN109441497B (en) * 2018-12-24 2024-01-30 永城煤电控股集团有限公司 Complete equipment for advanced support and transportation without repeated support and transportation method

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121010

Termination date: 20190215

CF01 Termination of patent right due to non-payment of annual fee