CN105804777A - Anti-side pressure guide rail sliding mechanism for advanced hydraulic support - Google Patents
Anti-side pressure guide rail sliding mechanism for advanced hydraulic support Download PDFInfo
- Publication number
- CN105804777A CN105804777A CN201610226906.4A CN201610226906A CN105804777A CN 105804777 A CN105804777 A CN 105804777A CN 201610226906 A CN201610226906 A CN 201610226906A CN 105804777 A CN105804777 A CN 105804777A
- Authority
- CN
- China
- Prior art keywords
- pressure resistant
- lateral pressure
- side pressure
- jack
- guide rail
- 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.)
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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
- E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
-
- 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
- E21D23/18—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms
Abstract
The invention discloses an anti-side pressure guide rail sliding mechanism for an advanced hydraulic support.The anti-side pressure guide rail sliding mechanism is characterized in that stand columns which are hinged to the two sides of a top beam and anti-side pressure protection plates are included, the lower ends of the stand columns are hinged to the middles of bases, a telescopic side plate is slidably arranged in each anti-side pressure protection plate, a telescopic jack is arranged in each telescopic side plate, and the telescopic jacks drive the telescopic side plates to move in the anti-side pressure protection plates; telescopic connecting rods are hinged between the anti-side pressure protection plates and the tops of the inner sides of the bases, the bottom sides of the telescopic connecting rods are connected with jacks, and anti-side pressure jacks are hinged between the upper inner side walls of the anti-side pressure protection plates and the lower side wall of the top beam.The anti-side pressure guide rail sliding mechanism can be applied to head-on instant support of a full-mechanized roadway, can create a good safe environment, is used as a shield support when a fully mechanized coal mining face is removed and is high in applicability and capable of lowering the labor intensity and improving the efficiency.
Description
Technical field
The present invention relates to field of coal mining, particularly belong to advanced hydraulic support lateral pressure resistant guide rail slipping mechanism.
Background technology
Coal industry is at the golden period in past, and mechanization can better do not developed, intelligent almost without development, seriously constrains management mode and the level of development of coal industry.The year two thousand twenty coal in China industry will be concentrated more, and practitioner will be reduced to less than 4,000,000, and colliery sum will drop to less than 4000.The severe operation situation that current coal industry faces, develops mechanization, automatization, even intellectuality are inevitable urgent selections further.The innovation of management, it is necessary to be based upon on the basis of renewal of the equipment.
China uses the maximum country of coal in the world, is also the largest country of coal production simultaneously, and heavily stressed and three soft-conditions fully-mechanized mining working is relatively backward in mechanization, stricti jurise is said and can only calculate semi-mechanization.For having a long way to go that automatization in the future and intelligent direction develop, mainly on the Advanced management in two lanes, although two lanes and the end support equipment of Multiple Type occurs in the market, but it is unable to adapt to the supporting requirement under heavily stressed and three soft-conditions.And the proportion that the colliery of this condition accounts for is relatively big, this part fully-mechanized mining working two lane at present, and the management of termination up and down still adopts the way to manage of former blasting process, occupies to combine and adopts proportion bigger in management work；Especially safety management, two lanes and upper and lower termination are the regions that fully-mechanized mining working potential safety hazard is maximum.
Two lane operation labor intensity are big, poor working environment, and youngster is unwilling to be engaged in this work, and the cultivation of new person occurs in that highly difficult situation.Investigate for certain ore deposit, in the middle of 5 years, whole coal mining system, enter two lanes and the new person of upper and lower termination operation, only two people.It addition, the personnel being currently undertaken by this work are mostly older, muscle power and energy will be unable to meet this work soon.If can not from seeking breakthrough equipment, after 5 years, many heavily stressed and three soft-conditions fully-mechanized mining working will be difficult to normal high winning technology.
Market today is existed the analysis and research of Related product:
(1) there is no the measure of lateral pressure resistant, it does not have realize full control topmast and protect.
(2) the shifting frame of construction unit independence can not be realized.
(3) top of wiping with pressure can not be realized and move frame, move in frame process and there is supporting repeatedly, it is impossible to solve the problem that roof to floor convergence is bigger, when surrouding rock stress is bigger, often cause nose height wretched insufficiency.
(4) structure is relatively complicated, and production cost is higher, and repair and maintenance difficulty is big.
(5) supporting scope is not enough, it is impossible to effectively reduce mining influence.
(6) for the tunnel of U-shaped steel and H-shaped steel supporting, smear the work surface of cap operation, it is impossible to reach effective with the use of.
(7) supporting intensity is relatively low, and former roadway support material damage rate is higher.
Summary of the invention
It is an object of the invention to provide a kind of advanced hydraulic support lateral pressure resistant guide rail slipping mechanism, it is possible to be applied in the instant supporting that full-mechanized roadway is met head on, it is possible to create good security context, when fully-mechanized mining working is removed when shield support uses, the suitability is strong, reduces labor intensity, improves efficiency.This design simple in construction, processing technique is identical with the processing technique of general coal mining bracket, it is possible to makes full use of the existing equipment of Kuang Ji enterprise and produces.
Technical scheme is as follows:
A kind of advanced hydraulic support lateral pressure resistant guide rail slipping mechanism, include and be articulated with the column of back timber both sides, lateral pressure resistant backplate, column lower end is articulated with in the middle part of base, slide in lateral pressure resistant backplate and be provided with scalable side plate, scalable side plate is built-in with telescopic jack, telescopic jack drives scalable side plate to move in lateral pressure resistant backplate, be hinged with extensible link between lateral pressure resistant backplate with base inside top, bottom side links jack, and lateral pressure resistant backplate is hinged with between medial wall and back timber lower wall lateral pressure resistant jack.
Described lateral pressure resistant backplate connects the effect of jack by lateral pressure resistant jack and bottom side, slides along extensible link.
Described base is L-type, and base bottom surface, side are respectively welded 5mm steel plate.
Described lateral pressure resistant backplate and extensible link junction are provided with limiting plate, control the distance between lateral pressure resistant backplate and column, and connect the angle between jack flexible lateral pressure resistant backplate and column by bottom side.
The Advantageous Effects of the present invention:
(1) adding the measure of lateral pressure resistant, lateral pressure resistant Stability Analysis of Structures is effective, changes the problem that existing market product lateral pressure resistant is not enough.
(2) use extensible link to carry out anti-inclined, serve the effect of guiding sliding, significantly increase the flexible of structural member, will have higher adaptability in actual applications.
(3) split base " L " type, by side supporting, it is provided that bigger support space.
(4) processing side pressure, when roof pressure and Bottom Pressure, these power can well be acted on by the structure of design each other.
(5) base shaping-orientation resists inclined steel plate, while simplifying structure, adds the intensity of structural member.
Accompanying drawing explanation
Fig. 1 be the present invention front view.
Fig. 2 is lateral pressure resistant backplate and the extensible link scheme of installation of the present invention.
Fig. 3 is the structural representation of the base of the present invention.
Detailed description of the invention
Referring to accompanying drawing, a kind of advanced hydraulic support lateral pressure resistant guide rail slipping mechanism, include the column 2 being articulated with back timber 1 both sides, lateral pressure resistant backplate 3, column 2 lower end is articulated with in the middle part of base 4, slide in lateral pressure resistant backplate 3 and be provided with scalable side plate 5, scalable side plate 5 is built-in with telescopic jack 9, telescopic jack 9 drives scalable side plate 5 mobile in lateral pressure resistant backplate 3, it is hinged with extensible link 8 between lateral pressure resistant backplate 3 and base 4 inside top, bottom side link jack 6, lateral pressure resistant backplate 3 is hinged with lateral pressure resistant jack 7 between medial wall and back timber 1 lower wall.Base is L-type, and base bottom surface, side are respectively welded 5mm steel plate 11.Lateral pressure resistant backplate 3 and extensible link 8 junction are provided with limiting plate 10, control the distance between lateral pressure resistant backplate and column.
Two lane Advanced management supporting cell descriptions:
Taking interior telescopic guide extensible canopy to link, guide rail slip type moves towards to move frame, and back timber is linked by lateral pressure resistant backplate, column, jack and extensible link with base, it is achieved lateral resistance to compression.Entirety is divided into: the jack of combined type back timber, two Split type bases, two lateral pressure resistant backplates, four advancing jacks, four columns, four lateral pressure resistant jack, four link back timbers and base, two telescopic anti-inclined movable rods, four lateral pressure resistant backplate plates, a guide rail extensible canopy etc. is constituted.
(1) moving manner illustrates: move before frame, adjusts column, lateral pressure resistant jack and bottom side link jack, is packed up by base unsettled, together with lateral pressure resistant backplate etc. to contract；Then operate this and a rear frame advancing jack draws shifting and passage action, will wait that moving frame unit moves forward along guide rail extensible canopy.After drawing forward one step pitch of shifting, lateral pressure resistant backplate is elapsed to both sides by operation lateral pressure resistant jack together with base etc., until side plate patch two is helped, adjusts column and bottom side link jack, rises column, move frame and complete.
(2) lateral pressure resistant illustrates: structure is made up of base, lateral pressure resistant backplate, column, bottom side link jack and lateral pressure resistant jack etc..Lateral pressure resistant is mainly completed by lateral pressure resistant jack and column, and bottom side link jack helps out.The power of lateral pressure resistant is mainly made it deflect the power helping to apply lateral pressure resistant to two by lateral pressure resistant jack by lateral pressure resistant backplate, the state that column offsets to both sides, the horizontal component produced helps the power of contact generation by base and two, and the composition such as the vertical stress component stiction that acts on base and produce, the jack of bottom side link simultaneously acts on the power of lateral pressure resistant backplate and also functions to the effect of lateral pressure resistant.
Contrast with product in the market, have the advantage that
(1) lateral pressure resistant ability is strong, it is possible to complete the work of resistance to compression release.
(2) enough working resistances and setting load controlroof deflection, adopt when moving frame and wipe top guide rail sliding, move in frame process and still top board is had supporting intensity, repeatedly still can controlroof deflection when supporting.
(3) function of multiple power tool, simple to operate, safety can be provided.
(4) flexible and convenient operation, it is not necessary to other auxiliary equipment and methods, can when periodic weighting and complex geologic conditions, it is achieved produce needs normally.
(5) top board fluctuations can be well adapted to and needs that tunnel turns to.
(6) there is good lateral pressure resistant structure, in abnormal cases, it is not necessary to too many workload, just can recover normal.
(7) the support space amplitude of accommodation is relatively big, and length is 1855mm ~ 2655mm, and width is 3000mm ~ 4750mm, situation can be pressed to adjust support space in time according to actual ore deposit.
(8) construction unit is simple and practical reliably, simple to operate, the problem meeting the high-quality operative employee's wretched insufficiency of current China.
(9) disclosure satisfy that the space required for the electromechanical equipment of machine lane and enough walkwaies.
Claims (4)
1. an advanced hydraulic support lateral pressure resistant guide rail slipping mechanism, it is characterized in that, include and be articulated with the column of back timber both sides, lateral pressure resistant backplate, column lower end is articulated with in the middle part of base, slide in lateral pressure resistant backplate and be provided with scalable side plate, scalable side plate is built-in with telescopic jack, telescopic jack drives scalable side plate to move in lateral pressure resistant backplate, be hinged with extensible link between lateral pressure resistant backplate with base inside top, bottom side links jack, and lateral pressure resistant backplate is hinged with between medial wall and back timber lower wall lateral pressure resistant jack.
2. advanced hydraulic support lateral pressure resistant guide rail slipping mechanism according to claim 1, it is characterised in that described lateral pressure resistant backplate connects the effect of jack by lateral pressure resistant jack and bottom side, slides along extensible link.
3. advanced hydraulic support lateral pressure resistant guide rail slipping mechanism according to claim 1, it is characterised in that described base is L-type, and base bottom surface, side are respectively welded 5mm steel plate.
4. advanced hydraulic support lateral pressure resistant guide rail slipping mechanism according to claim 1, it is characterized in that, described lateral pressure resistant backplate and extensible link junction are provided with limiting plate, control the distance between lateral pressure resistant backplate and column, and connect the angle between jack flexible lateral pressure resistant backplate and column by bottom side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610226906.4A CN105804777A (en) | 2016-04-12 | 2016-04-12 | Anti-side pressure guide rail sliding mechanism for advanced hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610226906.4A CN105804777A (en) | 2016-04-12 | 2016-04-12 | Anti-side pressure guide rail sliding mechanism for advanced hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105804777A true CN105804777A (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610226906.4A Pending CN105804777A (en) | 2016-04-12 | 2016-04-12 | Anti-side pressure guide rail sliding mechanism for advanced hydraulic support |
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| CN (1) | CN105804777A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322688A (en) * | 2018-10-26 | 2019-02-12 | 林翠英 | Soft rock tunnel, which is got out of a predicament or an embarrassing situation, excavates the hydraulic collateral support arrangement of anti-settling convergence |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU486135A1 (en) * | 1972-12-07 | 1975-09-30 | Узловский машиностроительный завод им.И.И.Федунца | Mechanized roof support |
| CN2189645Y (en) * | 1993-12-02 | 1995-02-15 | 中国矿业大学 | Special hydraulic supporting rack for temporary supporting of digging head |
| CN201474714U (en) * | 2009-05-19 | 2010-05-19 | 郑晶晶 | Pulling top beam hydraulic support frame |
| CN203066995U (en) * | 2013-01-11 | 2013-07-17 | 中国矿业大学 | Steep coal seam work face double-lane forepoling hydraulic support side protection device |
-
2016
- 2016-04-12 CN CN201610226906.4A patent/CN105804777A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU486135A1 (en) * | 1972-12-07 | 1975-09-30 | Узловский машиностроительный завод им.И.И.Федунца | Mechanized roof support |
| CN2189645Y (en) * | 1993-12-02 | 1995-02-15 | 中国矿业大学 | Special hydraulic supporting rack for temporary supporting of digging head |
| CN201474714U (en) * | 2009-05-19 | 2010-05-19 | 郑晶晶 | Pulling top beam hydraulic support frame |
| CN203066995U (en) * | 2013-01-11 | 2013-07-17 | 中国矿业大学 | Steep coal seam work face double-lane forepoling hydraulic support side protection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322688A (en) * | 2018-10-26 | 2019-02-12 | 林翠英 | Soft rock tunnel, which is got out of a predicament or an embarrassing situation, excavates the hydraulic collateral support arrangement of anti-settling convergence |
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| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160727 |
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| RJ01 | Rejection of invention patent application after publication |