CN112576301B - Fully-mechanized mining face transportation crossheading unit support carrying system - Google Patents

Fully-mechanized mining face transportation crossheading unit support carrying system Download PDF

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Publication number
CN112576301B
CN112576301B CN202011473958.4A CN202011473958A CN112576301B CN 112576301 B CN112576301 B CN 112576301B CN 202011473958 A CN202011473958 A CN 202011473958A CN 112576301 B CN112576301 B CN 112576301B
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China
Prior art keywords
annular
lifting
unit support
mining face
trolley
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CN202011473958.4A
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CN112576301A (en
Inventor
张幸福
杨文明
黄莹
李宗杰
赵建庄
杨元凯
朱轩成
刘程
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Zhengzhou Coal Mining Machinery Group Co Ltd
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Zhengzhou Coal Mining Machinery Group Co Ltd
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Publication of CN112576301A publication Critical patent/CN112576301A/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00Transport specially adapted to underground conditions
    • E21F13/006Equipment transport systems

Abstract

The invention provides a transportation crossheading unit support carrying system for a fully mechanized mining face, which comprises a transfer conveyor, an annular lifting device and a plurality of unit supports arranged on two sides of a roadway, wherein the annular lifting device comprises a driving device, an annular guiding device and a lifting trolley, the annular guiding device is installed above the transfer conveyor, the lifting trolley is arranged below the annular guiding device in a lifting mode, the driving device drives the lifting trolley to move along the annular guiding device, the advancing path of the lifting trolley is arranged around two sides and the rear of the transfer conveyor, and lifting tools are arranged on the lifting trolley corresponding to the unit supports. The fully mechanized coal mining face transportation crossheading unit support carrying system has the advantages of no repeated support, no roof damage, simplicity and convenience in operation and high working efficiency.

Description

Fully-mechanized mining face transportation crossheading unit support carrying system
Technical Field
The invention relates to a coal mine machine, in particular to a fully mechanized coal mining face transportation gateway unit support carrying system.
Background
The traditional forepoling generally adopts a single hydraulic prop, a common forepoling support and a unit support, wherein the single hydraulic prop needs to be moved manually, so that time and labor are wasted, and the labor cost is high; the common forepoling support adopts the front frame and the rear frame to support alternately, the front frame and the rear frame are used as fulcrums, the pushing jack and the pushing frame and the pulling frame are reused to advance alternately, the support is large in size, difficulty exists in transportation and installation, high requirements are placed on geological conditions of a roadway top plate, the top plate is supported repeatedly in the roadway actual use process, damage to the top plate is aggravated, and quick propulsion of a working face is affected.
Although the unit support can be supported without repetition, the unit support is difficult to transfer in a roadway with limited space, a monorail crane is laid at the top of the roadway to move the unit support in the prior art, the lifting equipment needs to be repeatedly disassembled and assembled along with the propulsion of a working surface in the mode, the labor intensity of workers is high, and the working efficiency is low; in the prior art, a track is laid on a reversed loader and is matched with a portal type support for supporting, but the strength of the portal type support is low, and when the track is laid on the reversed loader, the track is difficult to walk at a crusher and an axle-starting section, and the operation is complex.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a fully mechanized mining face transportation gateway unit support carrying system which is free of repeated support, not easy to damage a top plate, simple and convenient to operate and high in working efficiency.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a combine and adopt working face transportation crossheading unit support handling system, includes elevating conveyor, annular overhead hoist and is used for arranging a plurality of unit supports in the tunnel both sides, annular overhead hoist includes drive arrangement, annular guider and handling dolly, annular guider installs elevating conveyor top, the handling dolly is hung and is established annular guider below, drive arrangement drive the handling dolly follows annular guider moves, the route of advancing of handling dolly is around in elevating conveyor's both sides and rear setting, the handling dolly corresponds the unit support is provided with the handling frock.
Based on the above, annular guider includes runway type annular frame and annular drive chain, annular channel has been seted up in the runway type annular frame, annular drive chain is around establishing in the annular channel, drive arrangement installs runway type annular frame's front end, the handling dolly is installed on the annular drive chain, drive arrangement passes through annular drive chain drive the handling dolly motion.
Based on the above, annular guider is still including supporting many crossbeams between runway type annular frame both sides frame are in many with connecting a plurality of supporting beam of crossbeam bottom, the elevating conveyor top corresponds every supporting beam's bottom is provided with the connection interface respectively.
Based on the above, the unit support includes elevating system, sets up the base of elevating system bottom and setting are in the support footstock on elevating system top, be provided with horizontal arrangement's end on the base and transfer the jack.
Based on the above, the bottom adjusting jack is a bidirectional telescopic jack.
Based on the above, elevating system includes two vertical posts.
Based on the above, the driving device is a bidirectional driving motor.
Compared with the prior art, the annular lifting device is arranged on the reversed loader, so that the annular lifting device can move forward along with the reversed loader, the trouble of disassembly and assembly is eliminated, the lifting tool is used for lifting the unit support, the lifting trolley moves along the annular lifting device, the unit support at the tail part is conveyed to the front end, no repeated support is realized, the unit support is small in single structure and high in strength, the unit supports move around the two sides and the rear end of the reversed loader in the lifting process and do not interfere with each other, and therefore the unit support can be conveniently transported in a narrow space.
Furthermore, the annular transmission chain is adopted for transmission, so that the structure is simple, and the production cost can be reduced; the plurality of cross beams improve the strength of the runway type annular frame, and the plurality of support beams ensure the installation stability of the annular frame; the bottom adjusting jack is arranged to conveniently move the unit support in the roadway and move the unit support towards or away from the annular lifting device, so that workers can easily transfer the unit support, and the bidirectional telescopic jack can be used for stretching towards two directions and respectively disassembling and returning; the two vertical upright posts further enhance the strength of the unit bracket; the bidirectional driving motor is convenient for driving the annular transmission chain to perform forward and reverse transmission.
Drawings
Fig. 1 is a side view of the fully mechanized mining face haulage gate unit support handling system of the present invention.
Fig. 2 is a top view of the fully mechanized mining face transportation gateway unit support handling system of the present invention.
Fig. 3 is a sectional view of the fully mechanized mining face transportation gateway unit support carrying system.
Fig. 4 is a schematic diagram of the movement of the unit bracket according to the present invention.
Fig. 5 is a schematic view of the lifting of the unit bracket in the invention.
In the figure: 1. a reversed loader; 2. a unit bracket; 3. a bi-directional drive motor; 4. a racetrack-type annular frame; 5. hoisting a trolley; 6. an annular channel; 7. an endless drive chain; 8. a cross beam; 9. a support beam; 10. a base; 11. supporting the top seat; 12. bottom adjusting jacks; 13. a vertical column; 14. cushion blocks; 51. and (7) hoisting the tool.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
As shown in fig. 1-5, the transportation crossheading unit support carrying system for the fully mechanized mining face comprises a reversed loader 1, an annular lifting device and a plurality of unit supports 2 arranged on two sides of a roadway, wherein the unit supports 2 are used for supporting two sides of the roadway, the annular lifting device comprises a bidirectional driving motor 3, an annular guide device and a lifting trolley 5, and the annular guide device is arranged above the reversed loader 1, so that the space reserved above the reversed loader 1 is fully utilized, and the reversed loader 1 can drive the annular guide device to advance together; the lifting trolley 5 is arranged below the annular guide device in a lifting mode, the travelling path of the lifting trolley 5 is arranged around the two sides and the rear of the reversed loader 2, so that the lifting trolley does not interfere with the reversed loader 1 in the lifting process, a lifting tool 51 is arranged on the lifting trolley 5 corresponding to the unit support 2, the lifting tool 51 is used for binding the unit support 2, the lifting trolley 5 moves along the annular guide device, the unit support 2 at the tail part can be lifted to the front end, and the purpose of no repeated support is achieved.
The annular guiding device specifically comprises a runway type annular frame 4, an annular transmission chain 7, a plurality of cross beams 8 supported between two side frames of the runway type annular frame 4 and a plurality of supporting beams 9 connected to the bottoms of the cross beams 8, the top of the reversed loader 1 is provided with a connecting interface corresponding to the bottom end of each supporting beam 9 respectively, an annular channel 6 is formed in the runway type annular frame 4, the annular transmission chain 7 is wound in the annular channel 6, a bidirectional driving motor 3 is installed at the front end of the runway type annular frame 4, the lifting trolley 5 is installed on the annular transmission chain 7, the bidirectional driving motor 3 drives the lifting trolley 5 to move through the annular transmission chain 7, and the movement direction of the lifting trolley 5 is adjusted through the forward and reverse rotation of the bidirectional driving motor 3; in other embodiments, the driving device is not limited to the bidirectional driving motor 3, and other driving mechanisms may be used.
Unit support 2 specifically includes elevating system, sets up the base 10 and the setting of elevating system bottom are in the support footstock 11 on elevating system top, elevating system includes two vertical columns 13, makes whole unit support 2's support intensity strengthened like this, be provided with horizontal arrangement's end on the base 10 and transfer jack 12, transfer jack 12 at the end to be a bidirectional scalability jack, when needing to remove, through artifical subaerial placing cushion 14 in the tunnel, utilize the bidirectional scalability of transferring jack 12 at the end, under the reaction of cushion 14, realize the lapse to unit support 2.
During the specific use, the elevating system 1 in-process that gos forward, need constantly shift the unit support 2 of afterbody to the front end, pass through earlier elevating system's shortening reduces the height of unit support 2, again through mutually supporting of bottom adjustment jack 12 and cushion 15, moves unit support 2 to runway type ring frame 4 below, uses handling frock 51 and unit support 2 to be connected the back, handling dolly 5 hangs unit support 2, through the drive of two-way driving motor 3, transports unit support 2 to the front end, unloads unit support 2 again, again through mutually supporting of bottom adjustment jack 12 and cushion 15, makes unit support 2 return both sides, supports the tunnel after rising.
Finally, it should be noted that the above examples are only used to illustrate the technical solution of the present invention and not to limit it; 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 (7)

1. The utility model provides a combine and adopt working face transportation crossheading unit support handling system which characterized in that: the device comprises a transfer conveyor, an annular lifting device and a plurality of unit supports arranged on two sides of a roadway, wherein the annular lifting device comprises a driving device, an annular guide device and a lifting trolley, the annular guide device is installed above the transfer conveyor, the lifting trolley is arranged below the annular guide device in a lifting mode, the driving device drives the lifting trolley to move along the annular guide device, the advancing path of the lifting trolley is arranged around two sides and the rear of the transfer conveyor, and the lifting trolley is provided with lifting tools corresponding to the unit supports; the annular guide device comprises a runway type annular frame and an annular transmission chain, an annular channel is formed in the runway type annular frame, the annular transmission chain is wound in the annular channel, the hoisting trolley is installed on the annular transmission chain, and the driving device drives the hoisting trolley to move through the annular transmission chain.
2. The fully mechanized mining face transportation gateway unit support handling system of claim 1, wherein: the driving device is installed at the front end of the race type ring frame.
3. The fully mechanized mining face transportation gateway unit support handling system of claim 2, wherein: the annular guiding device is characterized by further comprising a plurality of cross beams and a plurality of supporting beams, wherein the cross beams are supported between the two side frames of the runway type annular frame, the supporting beams are connected to the bottom of the cross beams, and the top of the elevating conveyor corresponds to each supporting beam.
4. The fully mechanized coal mining face transportation gateway unit support handling system of any one of claims 1 to 3, wherein: the unit support comprises a lifting mechanism, a base arranged at the bottom end of the lifting mechanism and a supporting top seat arranged at the top end of the lifting mechanism, and a bottom adjusting jack transversely arranged is arranged on the base.
5. The fully mechanized coal mining face transportation gateway unit support handling system of claim 4, wherein: the bottom adjusting jack is a bidirectional telescopic jack.
6. The fully mechanized mining face transportation gateway unit support handling system of claim 5, wherein: the lifting mechanism comprises two vertical upright posts.
7. The fully mechanized coal mining face haulage gateway unit support handling system of any one of claims 1, 2, 3, 5, and 6, wherein: the driving device is a bidirectional driving motor.
CN202011473958.4A 2020-12-15 2020-12-15 Fully-mechanized mining face transportation crossheading unit support carrying system Active CN112576301B (en)

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CN202011473958.4A CN112576301B (en) 2020-12-15 2020-12-15 Fully-mechanized mining face transportation crossheading unit support carrying system

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CN113669105B (en) * 2021-08-30 2024-01-30 国家能源集团宁夏煤业有限责任公司 Multifunctional carrying mine car

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