CN112576295B - Supporting advancing mechanism for transportation roadway - Google Patents
Supporting advancing mechanism for transportation roadway Download PDFInfo
- Publication number
- CN112576295B CN112576295B CN202011491636.2A CN202011491636A CN112576295B CN 112576295 B CN112576295 B CN 112576295B CN 202011491636 A CN202011491636 A CN 202011491636A CN 112576295 B CN112576295 B CN 112576295B
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- main frame
- frame
- auxiliary frame
- groove
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Classifications
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- 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
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- 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
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
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- 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
- E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
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- 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
- E21D23/0472—Supports specially adapted for people walking or transporting material
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- 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
- E21D23/08—Advancing mechanisms
- E21D23/10—Advancing mechanisms with advancing devices separate from the supporting construction
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- 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
Abstract
The invention provides a supporting and advancing mechanism of a transportation roadway, which comprises an advance support and a reversed loader transportation groove, wherein the advance support comprises a main frame and an auxiliary frame, the main frame and the auxiliary frame alternately advance to realize the integral advancing of the advance support, a base of the main frame is fixed with the reversed loader transportation groove, and a base of the auxiliary frame and the reversed loader transportation groove are separately arranged. The transport roadway supporting and advancing mechanism cancels a self-moving mechanism of a traditional reversed loader, the reversed loader transport groove is fixed with the main frame of the fore support, the main frame drags the reversed loader transport groove to move together along with the advancing of the fore support, the non-pressure-release supporting is realized, the operation performance is better, the motion relation is simplified, and the floor heave can be effectively controlled.
Description
Technical Field
The invention relates to the field of coal mine fully mechanized mining, in particular to a supporting and advancing mechanism of a haulage roadway.
Background
The strengthening support (including end support and advance support) of the transportation roadway of the fully mechanized mining and fully mechanized caving face of the coal mine is always an important link influencing the safety and high-efficiency mining of the coal, and the regulation of coal mine safety regulation is as follows: in the range of 20m of the connection between all safety exits and the roadway of the coal face, the support must be strengthened; the national coal mine safety administration notice on strengthening coal mine rock burst prevention and control stipulates that the advance support range of the junction of a coal face safety exit with impact risk and a roadway is not less than 70 meters, the advance support range of the junction of a fully mechanized top coal caving face or a coal face safety exit with medium or above impact risk area and the roadway is not less than 120 meters, and a hydraulic support is preferentially adopted for the advance support. The transportation equipment such as a reversed loader, a crusher, a reversed loader self-moving mechanism, a belt conveyor self-moving tail, a belt conveyor and the like are generally arranged in the reinforced supporting range required by the transportation roadway.
In recent years, a plurality of transportation roadway supporting equipment such as a two-frame one-set type, an integral gantry type, a sliding type, a door type and the like commonly used in home and abroad fully mechanized mining and fully mechanized caving faces are not connected with transportation equipment generally, or are simply connected by pin holes, and certain safety gaps and movement spaces are reserved in the width direction of a roadway and the length direction of the roadway so that the supporting equipment and the transportation equipment can move normally according to the requirements of production processes.
Currently, only a few patent documents disclose transportation roadway supporting and transporting integrated equipment, for example, patent CN202010212281.2 (transportation along the trough transporting-supporting integrated advance support system) discloses a transportation along the trough transporting-supporting integrated advance support system which realizes the cyclic forward movement of a portal advance support by additionally arranging an auxiliary transportation system above a transfer conveyor, and is used for solving the problem of no repeated supporting advance support of the transportation along the trough. The transport crossheading-branch integrated forepoling system disclosed in the patent only adopts an auxiliary transport system above a transfer conveyor to transport a forepoling, the forepoling and the auxiliary transport system above the transfer conveyor are still independent individuals, and the integration of a transport roadway supporting system and a transport system in the true sense is not realized.
The supporting equipment (end supports, forelegs and the like) and the transporting equipment (reversed loaders, reversed loaders self-moving mechanisms, crushers, belt conveyor self-moving tails, belt conveyors and the like) of the transportation roadway of the fully mechanized mining and fully mechanized caving face are arranged at the same time, but various kinds of equipment fight each other, the outline size of single equipment is large, the matching relation and the motion relation among a plurality of equipment are complex, the requirements on the roadway environment are met, the equipment operation is too complicated, the supporting equipment repeatedly supports the roadway top plate, the roadway is seriously damaged, and the supporting equipment cannot effectively control floor heave and other problems.
In order to solve the above problems, people always seek an ideal technical solution.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a support advancing mechanism of a haulage roadway, which has the advantages of no pressure release support, better operation performance, simplified motion relation and capability of effectively controlling floor heave.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a haulage roadway support mechanism of marcing, includes fore-stock and elevating conveyor transport tank, the fore-stock includes body frame and subframe, body frame and subframe alternating march realize the whole of fore-stock and march, the base and the elevating conveyor transport tank of body frame are fixed, the base and the elevating conveyor transport tank components of a whole that can function independently setting of subframe.
Basically, the main frame and the subframe all include base, stand, crossbeam, longeron and perpendicular guide beam, the stand is used for the lift of main frame and subframe, connect through the lapse jack between main frame and the subframe, when the main frame/subframe descends, the crossbeam of subframe/main frame is as the support of bearing main frame/subframe, makes main frame/subframe liftoff.
Basically, the elevating conveyor transport groove is of a groove structure without power, and the elevating conveyor transport groove is welded and fixed with the base of the main frame.
Basically, the fore support is a sliding fore support, a vertical guide sleeve is arranged on the base, a vertical guide beam is inserted in the vertical guide sleeve, the stand columns are hydraulic stand columns and symmetrically arranged on two sides of the vertical guide beam, the top ends of the stand columns are connected with the vertical guide beam through pin shafts, and the bottom ends of the stand columns are connected with the base through pin shafts.
Basically, the crossbeam on the main frame or the auxiliary frame is connected with the longitudinal beam through a pin shaft, the crossbeam is connected with the vertical guide beam through a pin shaft, and two ends of the pushing jack are respectively connected to the crossbeams of the main frame and the auxiliary frame.
Basically, a skylight opening groove is formed in the base of the auxiliary frame corresponding to the transfer conveyor conveying groove.
Basically, the longitudinal beams of the main frame and the auxiliary frame on the forepoling are both arranged between the anchor rods.
Basically, a side guard plate is arranged on one side, close to the pedestrian passageway, of the advance support.
Basically, the cell body of elevating conveyor transport tank is the removable groove of C shape.
Basically, set up displacement sensor in advancing jack.
Compared with the prior art, the invention has outstanding substantive characteristics and obvious progress, and particularly, the invention removes the self-moving mechanism of the reversed loader, only the reversed loader transport groove is reserved, the reversed loader transport groove is fixed with the main frame of the fore support, the main frame can drive the reversed loader transport groove to move forwards synchronously along with the alternate advancing of the main frame and the auxiliary frame, on one hand, the self-moving mechanism of the reversed loader is reduced, the whole machine control is simplified, on the other hand, when the main frame bears pressure, the reversed loader transport groove and the main frame are integrated, the floor heave of the roadway is effectively suppressed, the maintenance cost of the roadway is reduced, the safety of the operation is improved, and the top is supported by the alternate advancing mode, thereby realizing no pressure release support and having good protection effect on the roadway all the time.
Further, the main frame and the auxiliary frame are designed into structures which bear pressure mutually, and particularly, in the descending process, the main frame and the auxiliary frame are mutually supported, so that the main frame and the auxiliary frame play a role in protecting the ground, the main frame or the auxiliary frame is lifted, the reversed loader conveying groove is lifted, and the interference and the restriction of conveying equipment and supporting equipment are avoided.
Furthermore, a skylight opening groove is formed in the auxiliary frame base, and the chain is convenient to overhaul.
Furthermore, the longitudinal beam of the fore support is arranged between the anchor rods, so that the original basic supporting system of the roadway is prevented from being damaged, and the coupling of roadway supporting and basic supporting is realized.
Furthermore, the groove body of the transfer conveyor conveying groove is designed into a replaceable C-shaped groove, so that the maintenance cost caused by abrasion of the middle groove is effectively reduced.
Furthermore, a side guard plate is arranged on one side of the pedestrian passageway, the safety of the pedestrian passageway is protected, and displacement sensors are arranged on the main frame and the auxiliary frame, so that a foundation is provided for automatic advancing.
Drawings
Fig. 1 is a front view of a support travel mechanism of a haulage roadway of the present invention.
Fig. 2 is a side view of the support travel mechanism of the haulage roadway of the present invention.
Fig. 3 is a plan view of the haulage roadway support traveling mechanism of the present invention.
Fig. 4 is a diagram showing an application state of the support advancing mechanism of the haulage roadway in the invention.
In the figure: 1. a forepoling; 2. a reversed loader transportation groove; 3. a main frame; 4. a sub-frame; 5. a base of the main frame; 6. a base of the subframe; 7. a column; 8. a cross beam; 9. a stringer; 10. a vertical guide beam; 11. a vertical guide sleeve; 12. pushing a jack; 18. side guard plates.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
As shown in fig. 1-4, a transportation roadway support advancing mechanism comprises a fore support 1 and a reversed loader transportation groove 2, the reversed loader transportation groove 2 is an independent structure without a reversed loader self-moving mechanism, the fore support 1 comprises a main support 3 and a sub-support 4, in the embodiment, one pair of fore supports comprises four supports, one support is a three-support main support, the other support is a two-four support sub-support, (in fig. 2, a thin line represents the main support, and a thick line represents the sub-support), the two supports are overlapped and sleeved together, the main support 3 and the sub-support 4 alternately advance to realize the integral advancing of the fore support 1, a base 5 of the main support is welded and fixed with the reversed loader transportation groove 2, and a base 6 of the sub-support is separated from the reversed loader transportation groove 2.
Specifically, the fore-stock is the sliding fore-stock, body frame 3 and subframe 4 all include base, stand 7, crossbeam 8, longeron 9 and perpendicular guide beam 10, set up perpendicular uide bushing 11 on the base, perpendicular guide beam 10 cartridge is in the perpendicular uide bushing 11, stand 7 is the hydraulic pressure stand for body frame 3 and subframe 4's lift, the symmetrical installation in the both sides of perpendicular guide beam 10, the top of stand 7 is connected with perpendicular guide beam 10 through the round pin axle, and the bottom of stand 7 is connected with the base through the round pin axle.
The main frame 3 or the auxiliary frame 4 is provided with a crossbeam 8 and a longitudinal beam 9 which are connected through a pin shaft, the crossbeam 8 is connected with a vertical guide beam 10 through a pin shaft, two ends of a pushing jack 12 are respectively connected on the crossbeam 8 of the main frame 3 and the crossbeam 8 of the auxiliary frame 4, and when the main frame/the auxiliary frame descends, the crossbeam of the auxiliary frame/the main frame is used as a support for bearing the main frame/the auxiliary frame, so that the main frame/the auxiliary frame is lifted off the ground.
The working principle is as follows: firstly, the main frame 3 descends under the contraction action of the upright 7 until contacting a cross beam 8 of the auxiliary frame 4, the main frame 3 stops descending under the support of the cross beam 8 of the auxiliary frame, the base of the main frame 3 drives the reversed loader transportation tank 2 to synchronously lift, after the main frame is lifted to a set height, the pushing jack 12 is started to extend, the main frame 3 moves forwards by a step distance relative to the auxiliary frame 4, then the upright of the main frame 3 extends, the base 5 of the main frame contacts the ground and lifts the top to support a roadway roof, then the auxiliary frame 4 executes the same steps, descends under the contraction action of the upright 7 until contacting the cross beam 8 of the main frame, the auxiliary frame 4 stops descending under the support of the cross beam 8, the pushing jack is started to contract to drive the auxiliary frame 4 to move forwards and walks by a step distance, and once advancing and repeating are realized.
In order to conveniently overhaul the chain on the transfer conveyor conveying groove, a skylight groove is arranged on the base of the auxiliary frame corresponding to the transfer conveyor conveying groove.
In order to prevent the interference between the forepoling and the original support system, longitudinal beams which are provided with the main frame and the auxiliary frame on the forepoling are arranged between anchor rods.
In order to protect the safety of the pedestrian passageway, a side guard plate 18 is arranged on one side of the forepoling bracket close to the pedestrian passageway.
In order to reduce the maintenance cost of the equipment, the groove body of the reversed loader conveying groove is a C-shaped replaceable groove.
For automatic realization, a displacement sensor is arranged in the pushing jack and used for acquiring the advancing state of the advance support and realizing the advancing precision control.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a haulage roadway support advancing mechanism which characterized in that: including fore-stock and elevating conveyor transport tank, the elevating conveyor transport tank is for having got rid of elevating conveyor self-moving mechanism's independent structure, the fore-stock includes body frame and subframe, body frame and subframe alternating advance the whole of realizing the fore-stock and advance, the base and the elevating conveyor transport tank of body frame are fixed, the base and the elevating conveyor transport tank components of a whole that can function independently setting of elevating conveyor transport tank of subframe.
2. The haulage roadway support traveling mechanism according to claim 1, wherein: the main frame and the auxiliary frame both comprise bases, stand columns, cross beams, longitudinal beams and vertical guide beams, the stand columns are used for lifting the main frame and the auxiliary frame, the main frame and the auxiliary frame are connected through pushing jacks, and when the main frame/the auxiliary frame descends, the cross beams of the auxiliary frame/the main frame serve as supports of the main frame/the auxiliary frame to enable the main frame/the auxiliary frame to be lifted off.
3. The haulage roadway support traveling mechanism according to claim 2, wherein: the reversed loader conveying groove is of a groove structure without power, and the reversed loader conveying groove is welded and fixed with the base of the main frame.
4. The haulage roadway support traveling mechanism according to claim 3, wherein: the advanced support is a sliding advanced support, a vertical guide sleeve is arranged on the base, the vertical guide beam is inserted in the vertical guide sleeve, the upright columns are hydraulic upright columns and symmetrically arranged on two sides of the vertical guide beam, the top ends of the upright columns are connected with the vertical guide beam through pin shafts, and the bottom ends of the upright columns are connected with the base through pin shafts.
5. The haulage roadway support traveling mechanism according to claim 4, wherein: the cross beam on the main frame is connected with the longitudinal beam on the main frame through a pin shaft, and the cross beam on the main frame is connected with the vertical guide beam on the main frame through a pin shaft; the cross beam on the auxiliary frame is connected with the longitudinal beam on the auxiliary frame through a pin shaft, and the cross beam on the auxiliary frame is connected with the vertical guide beam on the auxiliary frame through a pin shaft; and two ends of the pushing jack are respectively connected to the crossbeam of the main frame and the crossbeam of the auxiliary frame.
6. The haulage roadway support traveling mechanism according to any one of claims 2 to 5, wherein: and the base of the auxiliary frame is provided with a skylight groove corresponding to the transfer conveyor conveying groove.
7. The haulage roadway support traveling mechanism according to claim 6, wherein: the longitudinal beams of the main frame and the auxiliary frame on the forepoling are both arranged between the anchor rods.
8. The haulage roadway support traveling mechanism according to claim 7, wherein: and a side guard plate is arranged on one side of the forepoling close to the pedestrian passageway.
9. The haulage roadway support traveling mechanism according to claim 8, wherein: the groove body of the reversed loader conveying groove is a C-shaped replaceable groove.
10. The haulage roadway support traveling mechanism according to claim 9, wherein: and a displacement sensor is arranged in the pushing jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011491636.2A CN112576295B (en) | 2020-12-16 | 2020-12-16 | Supporting advancing mechanism for transportation roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011491636.2A CN112576295B (en) | 2020-12-16 | 2020-12-16 | Supporting advancing mechanism for transportation roadway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112576295A CN112576295A (en) | 2021-03-30 |
| CN112576295B true CN112576295B (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011491636.2A Active CN112576295B (en) | 2020-12-16 | 2020-12-16 | Supporting advancing mechanism for transportation roadway |
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| Country | Link |
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| CN (1) | CN112576295B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137261A (en) * | 2021-05-31 | 2021-07-20 | 天津鹏程誉泰液压支架有限公司 | Three-stage telescopic mechanism with two symmetrically arranged groups of guide rods for hydraulic support |
| CN114837718A (en) * | 2022-05-30 | 2022-08-02 | 郑州煤矿机械集团股份有限公司 | Integrated forepoling for head of reversed loader |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1281978B (en) * | 1965-04-21 | 1968-11-07 | Karl Maria Groetschel Dipl Ing | Procedure for securing large areas of the hanging slope area exposed in the course of the cutting progress in mining operations |
| GB1250371A (en) * | 1969-03-05 | 1971-10-20 | ||
| CN100582435C (en) * | 2006-06-30 | 2010-01-20 | 兖州煤业股份有限公司 | Fully mechanized working faces along conveying end head hydraulic bracket |
| CN201137499Y (en) * | 2007-12-04 | 2008-10-22 | 沈阳天安矿山机械科技有限公司 | Laneway driving advanced support bracket |
| CN201588646U (en) * | 2010-01-26 | 2010-09-22 | 重庆大江工业有限责任公司 | Top caving coal bracket for tunnel end of full-mechanized caving face of coal mine |
| CN101787894A (en) * | 2010-03-19 | 2010-07-28 | 中煤北京煤矿机械有限责任公司 | Guide rod type foresupport with large inclined angle working surface |
| CN201650327U (en) * | 2010-03-19 | 2010-11-24 | 中煤北京煤矿机械有限责任公司 | Guide rod type fore support for high inclination angle working surface |
| CN101852084B (en) * | 2010-04-23 | 2012-12-26 | 中煤北京煤矿机械有限责任公司 | Forepoling with large inclination working surface and four transverse connecting rods |
| CN202031622U (en) * | 2011-02-18 | 2011-11-09 | 开滦能源化工股份有限公司范各庄矿业分公司 | Light support top coal caving working face lower end support equipment |
| CN202578741U (en) * | 2012-02-15 | 2012-12-05 | 重庆大江工业有限责任公司 | End hydraulic bracket with rotatable top beam |
| CN103527233B (en) * | 2013-10-19 | 2016-03-16 | 山西焦煤集团有限责任公司 | Integration apparatus is reprinted in the supporting of fully mechanized coal face haulage gate |
| CN204140110U (en) * | 2014-09-18 | 2015-02-04 | 中国煤炭科工集团太原研究院有限公司 | Automatic paving, networking temporary support device for drivage |
| CN104314594B (en) * | 2014-09-18 | 2017-11-21 | 中国煤炭科工集团太原研究院有限公司 | Speedy drivage advance timbering |
| CN209704612U (en) * | 2019-04-12 | 2019-11-29 | 山东塔高矿业机械装备制造有限公司 | It is a kind of for connecting the attachment base of advance timbering and elevating conveyor |
| CN211144537U (en) * | 2019-12-23 | 2020-07-31 | 梁林生 | Self-moving forepoling |
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2020
- 2020-12-16 CN CN202011491636.2A patent/CN112576295B/en active Active
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