CN102410035A - Advance support crawler-type hydraulic support for fully-mechanized mining face - Google Patents
Advance support crawler-type hydraulic support for fully-mechanized mining face Download PDFInfo
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- CN102410035A CN102410035A CN2011103796989A CN201110379698A CN102410035A CN 102410035 A CN102410035 A CN 102410035A CN 2011103796989 A CN2011103796989 A CN 2011103796989A CN 201110379698 A CN201110379698 A CN 201110379698A CN 102410035 A CN102410035 A CN 102410035A
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- crawler belt
- back timber
- support
- crawler
- hydraulic support
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Abstract
The invention discloses an advance support crawler-type hydraulic support for a fully-mechanized mining face; the advance support crawler-type hydraulic support comprises a top beam crawler belt, a hydraulic stand column, a base crawler belt, a base rack, a four-bar mechanism and a top beam rack, wherein the top beam crawler belt is arranged on the top beam rack; the top beam rack is connected with the base rack by the hydraulic stand column and the four-bar mechanism; the top end of the four-bar mechanism is articulated with the top beam rack; and the base crawler belt is arranged on the base rack. The greatest characteristic of the equipment is that a crawler belt is applied to a top beam and is combined with a crawler-type traveling mechanism at the bottom; the top beam crawler belt moves in a rolling manner along with the movement of the crawler-type traveling mechanism at the bottom, thereby the movement of the top plate with supporting load in working is realized, the number of repeatedly supporting the top plate is minimized and the top plate is furthest protected from being repeatedly supported by the hydraulic support and the safety management and the maintenance of the top plate is facilitated.
Description
Technical field
The present invention relates to underground coal exploitation and fully mechanized coal mining face crossheading advance support equipment in the coal industry, in particular to a kind of advance support crawler type hydraulic support that is used for fully-mechanized mining working.
Background technology
What current forepoling hydraulic support was generally taked is step-by-step movement bar timbering top board, like big mining height four connecting rod advanced hydraulic supports, automatic moving type advanced hydraulic support, saddle ride type advanced hydraulic support etc.But these advanced hydraulic supports are to do local improvement to different operating in the face of original support frame, fundamentally do not solve the frangible problem of top plate supporting, and its essence all is the step-by-step movement support form.The step-by-step movement support pattern is roof supporting repeatedly; Be prone to cause the fragmentation of top board, be unfavorable for safety management and maintenance, underworkings staff life and equipment are threatened top board; Simultaneously, install, safeguard, intensity of workers is very big during this support of dismounting.The advanced hydraulic support that load moves ahead has also appearred now; But when moving ahead, produce violent sliding friction between top board and the back timber, bigger to support apparatus destruction, influence its life-span; " stability " and " reliability " of its work is reduced, threaten staff's safety.The mode that fully-mechanized mining working advance support crawler type hydraulic support adopts the rolling of back timber crawler type to move frame can realize that bringing onto load moves ahead; Reduced the number of times of support repeatedly to greatest extent to top board; And back timber and top board can not produce violent sliding friction, prolong service life of equipment.Use the flexible support of crawler belt can reduce destruction simultaneously, can overcome above-mentioned deficiency well, help safety management and maintenance top board to top board.
Summary of the invention
The object of the present invention is to provide a kind of advance support crawler type hydraulic support that is used for fully-mechanized mining working; It adopts back timber crawler belt and base crawler belt structure combining; Back timber crawler belt and roof are fitted all the time, and the resistance that moves ahead is merely and roof between force of rolling friction, resistance is less; Do not have the problem that supports roof repeatedly, roof is difficult for broken.
A kind of advance support crawler type hydraulic support that is used for fully-mechanized mining working comprises back timber crawler belt, hydraulic vertical prop, base crawler belt, bed frame, quadric chain and back timber frame; The back timber crawler belt is installed on the back timber frame, and the back timber frame is connected with bed frame with quadric chain through hydraulic vertical prop, and quadric chain top and back timber frame are hinged, mounting seat crawler belt on the bed frame.
Described hydraulic support adopts double-four link mechanism, and is connected with two cross linkworks between double-four link mechanism and the back timber frame.
The pressure feedback system that described hydraulic support, back timber are equipped with is mechanical, electrical, liquid organically combines.
Described hydraulic support is connected by hydraulic servo synchronization loop system between the drive unit of the drive unit of back timber crawler belt and base crawler belt.
Described hydraulic support, during the support reach, the back timber crawler belt does not leave top board, is close to top board and advances, and the back timber crawler belt is identical with base crawler belt speed.
Described hydraulic support has 3 back timber crawler belts, and parallel arranged.
Described hydraulic support, 3 back timber crawler belts, middle one is non-power crawler belt, does not promptly have driving mechanism, what be positioned at both sides is the power crawler belt, promptly has drive unit to drive.
Described hydraulic support, the power crawler belt is driven by the tooth bar oil cylinder.
The hydraulic system that the present invention mainly adopts hydraulic vertical prop, hydraulic control valve, pressure duct etc. to form through a series of controls of hydraulic system, realizes advancing and supporting roof of hydraulic support, and the support force of hydraulic cylinder is regulated by pressure feedback.The crawler belt up and down of support adopts the tooth bar hydraulic oil cylinder driving, can realize that the high-drag of advance support crawler type hydraulic support, intermittence advance.The hydraulic vertical prop of support mainly bears roof load; Its intensity and the ability of bearing load satisfy the requirement of back-up environment; The up-down and the abutment pressure of regulating column by hydraulic control components such as hydraulic valves, crawler belt contacts with top board and support force satisfies the requirement of roof supporting all the time in the assurance.By the Hydraulic Synchronizing control loop control uniformity of crawler belt rolling speed and position up and down, prevent that support from advancing and the crawler belt slip occurs going up in the process that it is not steady to work, phenomenons such as body inclination.The Total tune control of hydraulic system guarantees support operate as normal and steady, high efficiency.
The characteristics that the present invention gives prominence to: 1. adopted the automatic walking mechanism of crawler type back timber supporting mechanism and crawler type, protection top board and reduction advance resistance; 2. adopt hydraulic servo synchronization loop system, guaranteed crawler belt advanced in unison up and down; 3. adopt pressure feedback system mechanical, electrical, that liquid organically combines, regulate the pressure between back timber crawler belt and top board.
Beneficial effect of the present invention: buried in China's coal-mine; Roof is than exploiting under stable and the medium stable condition; Realized continuity supporting, protected top board to the utmost, enhanced productivity top board; Reduce working strength of workers in the underworkings supporting, guarantee underground work personnel's life and equipment property safety.
Description of drawings
Fig. 1 is the lateral plan of fully-mechanized mining working advance support crawler type hydraulic support of the present invention;
The specific embodiment
Below in conjunction with specific embodiment, the present invention is elaborated.
Shown in Figure 1 is the side structure sketch map of fully-mechanized mining working advance support crawler type hydraulic support, comprises back timber crawler belt 1 (totally 3 back timber crawler belts among Fig. 1 are lateral view, and are not shown); Last driving wheel 2, hydraulic vertical prop 3 (four), following driving wheel 4, base crawler belt 5; Bed frame 6, following directive wheel 7, quadric chain 8, last directive wheel 9; Back timber frame 10, back timber crawler belt 1 are installed on the back timber frame 10, and back timber frame 10 is connected with bed frame 6 with quadric chain 8 through four hydraulic vertical props 3; Quadric chain 8 tops and back timber frame 10 are hinged, mounting seat crawler belt 5 on the bed frame 6, and base crawler belt 5 adopts the tooth bar hydraulic oil cylinder driving with back timber crawler belt 1.
During work, back timber crawler belt 1 directly contacts with top board, and when bed frame 6 moves, is close to top board and moves forward.Middle crawler belt in the back timber is non-power crawler belt, and purpose is to increase contact area, and top board is played a good protection.Roll with support when non-power crawler belt moves frame and move ahead.
This equipment can realize that band support load truly moves ahead; Support repeatedly to top board can not appear in the support scope of a stent length; Reduced the support number of times of support to top board to the utmost, it is broken that top board is difficult for, and realized the good protection to top board.Utilize the flexible support of crawler belt further to reduce destruction simultaneously to top board.
Should be understood that, concerning those of ordinary skills, can improve or conversion, and all these improvement and conversion all should belong to the protection domain of accompanying claims of the present invention according to above-mentioned explanation.
Claims (8)
1. an advance support crawler type hydraulic support that is used for fully-mechanized mining working comprises back timber crawler belt, hydraulic vertical prop, base crawler belt, bed frame, quadric chain and back timber frame; The back timber crawler belt is installed on the back timber frame, and the back timber frame is connected with bed frame with quadric chain through hydraulic vertical prop, and quadric chain top and back timber frame are hinged, mounting seat crawler belt on the bed frame.
2. according to the described hydraulic support of claim 1, it is characterized in that, adopt double-four link mechanism, and be connected with two cross linkworks between double-four link mechanism and the back timber frame.
3. according to the described hydraulic support of claim 1, it is characterized in that the pressure feedback system that back timber is equipped with is mechanical, electrical, liquid organically combines.
4. according to the described hydraulic support of claim 1, it is characterized in that, be connected by hydraulic servo synchronization loop system between the drive unit of the drive unit of back timber crawler belt and base crawler belt.
5. according to the described hydraulic support of claim 1, it is characterized in that during the support reach, the back timber crawler belt does not leave top board, is close to top board and moves, the back timber crawler belt is identical with base crawler belt speed.
6. according to the described hydraulic support of claim 1, it is characterized in that back timber is provided with 3 crawler belts, and parallel arranged.
7. according to the described hydraulic support of claim 6, it is characterized in that in 3 back timber crawler belts, middle one is non-power crawler belt, does not promptly have driving mechanism, what be positioned at both sides is the power crawler belt, promptly has drive unit to drive.
8. according to the described hydraulic support of claim 7, it is characterized in that the power crawler belt is driven by the tooth bar oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103796989A CN102410035A (en) | 2011-11-25 | 2011-11-25 | Advance support crawler-type hydraulic support for fully-mechanized mining face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103796989A CN102410035A (en) | 2011-11-25 | 2011-11-25 | Advance support crawler-type hydraulic support for fully-mechanized mining face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102410035A true CN102410035A (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103796989A Pending CN102410035A (en) | 2011-11-25 | 2011-11-25 | Advance support crawler-type hydraulic support for fully-mechanized mining face |
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| CN (1) | CN102410035A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452573A (en) * | 2013-09-12 | 2013-12-18 | 河南理工大学 | Self movable forepoling support with caterpillar band top beam |
| CN103924997A (en) * | 2013-01-11 | 2014-07-16 | 王新丰 | Rolling moving method of hydraulic bracket |
| CN106150536A (en) * | 2016-08-30 | 2016-11-23 | 高净净 | A kind of cylinder pressure-bearing arranging device and using method moving frame for advance timbering |
| CN108952707A (en) * | 2018-09-11 | 2018-12-07 | 中国矿业大学 | Continous way for continuous milling machine temporarily protects ejection device and continuous milling machine |
| CN112524109A (en) * | 2020-12-02 | 2021-03-19 | 辽宁工程技术大学 | Four-point hoisting balance method for hydraulic support |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048740A (en) * | 1990-08-04 | 1991-01-23 | 孔祥清 | Hydraulic end supporting rack |
| CN2589680Y (en) * | 2002-11-04 | 2003-12-03 | 神华集团有限责任公司 | Crawler belt walking type hydraulic support |
| CN202348308U (en) * | 2011-11-25 | 2012-07-25 | 刘混举 | Advanced-supporting type crawler-type hydraulic support used for fully mechanized working face |
-
2011
- 2011-11-25 CN CN2011103796989A patent/CN102410035A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048740A (en) * | 1990-08-04 | 1991-01-23 | 孔祥清 | Hydraulic end supporting rack |
| CN2589680Y (en) * | 2002-11-04 | 2003-12-03 | 神华集团有限责任公司 | Crawler belt walking type hydraulic support |
| CN202348308U (en) * | 2011-11-25 | 2012-07-25 | 刘混举 | Advanced-supporting type crawler-type hydraulic support used for fully mechanized working face |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924997A (en) * | 2013-01-11 | 2014-07-16 | 王新丰 | Rolling moving method of hydraulic bracket |
| CN103452573A (en) * | 2013-09-12 | 2013-12-18 | 河南理工大学 | Self movable forepoling support with caterpillar band top beam |
| CN103452573B (en) * | 2013-09-12 | 2015-08-12 | 河南理工大学 | A kind of automatic moving type advance support rack with caterpillar band top beam |
| CN106150536A (en) * | 2016-08-30 | 2016-11-23 | 高净净 | A kind of cylinder pressure-bearing arranging device and using method moving frame for advance timbering |
| CN108952707A (en) * | 2018-09-11 | 2018-12-07 | 中国矿业大学 | Continous way for continuous milling machine temporarily protects ejection device and continuous milling machine |
| WO2020052013A1 (en) * | 2018-09-11 | 2020-03-19 | 中国矿业大学 | Continuous temporary roof protection apparatus for continuous mining machine, and continuous mining machine |
| CN112524109A (en) * | 2020-12-02 | 2021-03-19 | 辽宁工程技术大学 | Four-point hoisting balance method for hydraulic support |
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Application publication date: 20120411 |