CN202348308U - Advanced-supporting type crawler-type hydraulic support used for fully mechanized working face - Google Patents
Advanced-supporting type crawler-type hydraulic support used for fully mechanized working face Download PDFInfo
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- CN202348308U CN202348308U CN2011204750422U CN201120475042U CN202348308U CN 202348308 U CN202348308 U CN 202348308U CN 2011204750422 U CN2011204750422 U CN 2011204750422U CN 201120475042 U CN201120475042 U CN 201120475042U CN 202348308 U CN202348308 U CN 202348308U
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- crawler
- back timber
- crawler belt
- hydraulic support
- support
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Abstract
The utility model discloses an advanced-supporting type crawler-type hydraulic support used for a fully mechanized working face. The advanced-supporting type crawler-type hydraulic support used for the fully mechanized working face comprises a top beam crawler, a hydraulic upright, a base crawler, a base rack, a four-bar mechanism and a top beam mechanism, wherein the top beam crawler is arranged on a top beam rack which is connected with the base rack by the hydraulic upright and the four-bar mechanism, the top end of the four-bar mechanism is articulated with the top beam rack, and the base crawler is arranged on the base rack. The equipment applies a crawler to a top beam and combines a crawler-type travelling mechanism at the bottom, the top beam crawler rolls and moves along with the movement of the crawler-type travelling mechanism at the bottom, a top board moves forwards without being supported and loaded in the work process, so that the number of times supporting the top board repeatedly is reduced to the lowest limit, the top board is protected and prevented from being broken by the repeated supporting of the hydraulic support, and the safety management and the maintenance of the top board can be favorably carried out.
Description
Technical field
The utility model 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.
The utility model content
The purpose of the utility model 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 utility model 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 utility model is outstanding: 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.
The beneficial effect of the utility model: 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 the utility model fully-mechanized mining working advance support crawler type hydraulic support;
The specific embodiment
Below in conjunction with specific embodiment, the utility model 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 the utility model accompanying claims according to above-mentioned explanation.
Claims (7)
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 said quadric chain is a double-four link mechanism, 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 back timber is provided with 3 crawler belts, and parallel arranged.
6. according to the described hydraulic support of claim 5, it is characterized in that in said 3 back timber crawler belts, middle one is non-power crawler belt, what be positioned at both sides is the power crawler belt.
7. according to the described hydraulic support of claim 6, it is characterized in that said power crawler belt is driven by the tooth bar oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204750422U CN202348308U (en) | 2011-11-25 | 2011-11-25 | Advanced-supporting type crawler-type hydraulic support used for fully mechanized working face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204750422U CN202348308U (en) | 2011-11-25 | 2011-11-25 | Advanced-supporting type crawler-type hydraulic support used for fully mechanized working face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202348308U true CN202348308U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204750422U Expired - Fee Related CN202348308U (en) | 2011-11-25 | 2011-11-25 | Advanced-supporting type crawler-type hydraulic support used for fully mechanized working face |
Country Status (1)
| Country | Link |
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| CN (1) | CN202348308U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410035A (en) * | 2011-11-25 | 2012-04-11 | 刘混举 | Advance support crawler-type hydraulic support for fully-mechanized mining face |
| CN104858631A (en) * | 2015-04-20 | 2015-08-26 | 苏州经贸职业技术学院 | Support for electronic component assembly machine |
| CN109209373A (en) * | 2018-09-11 | 2019-01-15 | 中国矿业大学 | A kind of construction method of continuous milling machine that temporarily protecting ejection device with continous way |
-
2011
- 2011-11-25 CN CN2011204750422U patent/CN202348308U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410035A (en) * | 2011-11-25 | 2012-04-11 | 刘混举 | Advance support crawler-type hydraulic support for fully-mechanized mining face |
| CN104858631A (en) * | 2015-04-20 | 2015-08-26 | 苏州经贸职业技术学院 | Support for electronic component assembly machine |
| CN109209373A (en) * | 2018-09-11 | 2019-01-15 | 中国矿业大学 | A kind of construction method of continuous milling machine that temporarily protecting ejection device with continous way |
| CN109209373B (en) * | 2018-09-11 | 2020-05-19 | 中国矿业大学 | Construction method of continuous mining machine with continuous temporary roof protecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20121125 |