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

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

A kind of fully mechanized mining face transportation along trough unit support handling system

technical field

The invention relates to a coal mine machine, in particular to a supporting system for transporting units along a trough in a fully mechanized mining face.

Background technique

The advanced support is an important supporting equipment in coal mining. The traditional advanced support generally adopts a single hydraulic prop, an ordinary advanced support and a unit support. Among them, the single hydraulic support needs to be moved manually, which is time-consuming and labor-intensive, and labor costs are high; common The advanced support bracket adopts the front frame and the rear frame to alternately support each other, and they are the fulcrums of each other, and then use the push jack to push the frame to advance alternately. During the actual use of the roadway, there is repeated support for the roof, which aggravates the damage to the roof and affects the rapid advancement of the working face.

Although the unit support can be supported without repeated support, it is difficult to transfer in the roadway with limited space. In the prior art, there is a method of laying a monorail crane on the top of the roadway to move the unit support. This method varies with the work. To advance the surface, the hoisting equipment needs to be disassembled and assembled repeatedly, the labor intensity of workers is high, and the work efficiency is low. When the track is laid on the loader, it is difficult to walk at the crusher and the bridge section, and the operation is complicated.

In order to solve the above problems, people have been looking for an ideal technical solution.

SUMMARY OF THE INVENTION

The purpose of the present invention is to aim at the deficiencies of the prior art, so as to provide a supporting system for transporting units along the trough of fully mechanized mining face, which has no repeated support, is not easy to damage the roof, is easy to operate, and has high work efficiency.

In order to achieve the above-mentioned purpose, the technical scheme adopted in the present invention is: a transport system for unit supports along the trough for fully mechanized mining face transportation, including a loader, an annular hoisting device and a plurality of unit supports arranged on both sides of the roadway, The annular hoisting device includes a driving device, an annular guiding device and a hoisting trolley, the annular guiding device is installed above the loader, the hoisting trolley is suspended under the annular guiding device, and the driving device The hoisting trolley is driven to move along the annular guide device, the travel path of the hoisting trolley is arranged around the two sides and the rear of the loader, and the hoisting trolley is provided with a hoisting tool corresponding to the unit support. .

Based on the above, the annular guide device includes a racetrack-shaped annular frame and an annular transmission chain, an annular channel is opened in the racetrack-shaped annular frame, the annular transmission chain is wound in the annular channel, and the driving device is installed in the annular channel. At the front end of the racetrack-shaped annular frame, the trolley is mounted on the endless transmission chain, and the driving device drives the trolley to move through the endless transmission chain.

Based on the above, the annular guide device further includes a plurality of beams supported between the two side frames of the racetrack-type annular frame and a plurality of support beams connected to the bottoms of the plurality of beams, and the top of the loader corresponds to each of the beams. The bottom ends of the support beams are respectively provided with connection interfaces.

Based on the above, the unit support includes a lifting mechanism, a base disposed at the bottom end of the lifting mechanism, and a support top seat disposed at the top end of the lifting mechanism, and a laterally arranged bottom adjusting jack is disposed on the base.

Based on the above, the bottom adjusting jack is a bidirectional telescopic jack.

Based on the above, the lifting mechanism includes two vertical columns.

Based on the above, the drive device is a bidirectional drive motor.

Compared with the prior art, the present invention has outstanding substantive features and significant progress. Specifically, the present invention installs the annular hoisting device on the loader so that it can move forward with the loader, eliminating the need for To avoid the trouble of disassembly and assembly, the unit support is hoisted by the lifting tool, and the unit support at the rear is transported to the front end through the movement of the lifting trolley along the annular lifting device to achieve no repeated support. The unit support has a compact structure and high strength. During the hoisting process, the unit support runs around the two sides and the rear end of the loader without interfering with each other, so that it can be easily transported in a narrow space. It has the advantages of no repeated support, not easy to damage the top plate, easy operation and high work efficiency.

Further, the use of the annular transmission chain for transmission has a simple structure and can reduce production costs; a plurality of the beams improve the strength of the track-shaped annular frame, and the plurality of support beams ensure the stable installation of the annular frame. The setting of the bottom adjustment jack is convenient for moving the unit support in the roadway, and it is convenient for it to move towards or away from the annular lifting device, so that the worker can easily transfer it. The two-way telescopic jack can be moved in two directions. Telescopic, respectively used for disassembly and homing; the two vertical columns further strengthen the strength of the unit support; the two-way drive motor facilitates the forward and reverse transmission of the endless transmission chain.

Description of drawings

FIG. 1 is a side view of the supporting system for transporting units along the trough in the fully mechanized mining face according to the present invention.

FIG. 2 is a top view of the supporting system for transporting units along the trough in the fully mechanized mining face according to the present invention.

FIG. 3 is a cross-sectional view of the supporting system for transporting units along the trough in the fully mechanized mining face according to the present invention.

FIG. 4 is a schematic view of the movement of the unit support in the present invention.

FIG. 5 is a schematic view of the lifting and transportation of the unit support in the present invention.

In the picture: 1. Loader; 2. Unit support; 3. Two-way drive motor; 4. Track-type ring frame; 5. Lifting trolley; 6. Ring channel; 7. Ring drive chain; Beam; 10. Base; 11. Supporting the top seat; 12. Bottom adjustment jack; 13. Vertical column; 14. Pad; 51. Lifting tooling.

Detailed ways

The technical solutions of the present invention will be further described in detail below through specific embodiments.

As shown in Figures 1-5, a fully mechanized mining face transporting unit support handling system along the trough includes a loader 1, an annular hoisting device and a plurality of unit supports 2 arranged on both sides of the roadway. The unit supports 2 are used for On both sides of the support tunnel, the annular hoisting device includes a two-way drive motor 3, an annular guide device and a hoisting trolley 5, and the annular guide device is installed above the loader 1, which makes full use of the storage space above the loader 1. space, so that the loader 1 can move forward together with the annular guide device; the hoisting trolley 5 is hung under the annular guide device, and the travel path of the hoisting trolley 5 surrounds the reloading trolley The two sides and the rear of the machine 2 are arranged so as not to interfere with the loader 1 during the hoisting process. The hoisting trolley 5 is provided with a hoisting tool 51 corresponding to the unit support 2, and the hoisting tool 51 is used for binding. The unit support 2 can hoist the unit support 2 at the rear to the front end by moving the hoisting trolley 5 along the annular guide device, so as to achieve the purpose of no repeated support.

The annular guide device specifically includes a racetrack-type annular frame 4, an annular transmission chain 7, a plurality of beams 8 supported between the two side frames of the racetrack-type annular frame 4, and a plurality of supports connected to the bottom of the plurality of beams 8. Beam 9, the bottom end of each supporting beam 9 corresponding to the top of the loader 1 is respectively provided with a connection interface, the track-shaped annular frame 4 is provided with an annular channel 6, and the annular transmission chain 7 is wound around the In the annular channel 6, the two-way drive motor 3 is installed at the front end of the racetrack-shaped annular frame 4, the trolley 5 is installed on the annular transmission chain 7, and the two-way drive motor 3 is driven by the annular transmission chain 7. The trolley 5 moves, and the direction of movement of the trolley 5 is reversed through the forward and reverse rotation of the bidirectional drive motor 3; in other embodiments, the driving device is not limited to the bidirectional drive motor 3, and other driving mechanisms can be used .

The unit support 2 specifically includes a lifting mechanism, a base 10 arranged at the bottom of the lifting mechanism, and a support top seat 11 arranged at the top of the lifting mechanism. The lifting mechanism includes two vertical columns 13, so that the entire unit is The support strength of the bracket 2 is strengthened. The base 10 is provided with a horizontally arranged bottom adjustment jack 12. The bottom adjustment jack 12 is a two-way telescopic jack. When it needs to be moved, the pad block 14 is manually placed on the roadway ground. Using the bidirectional expansion and contraction of the bottom adjusting jack 12 , under the reaction of the cushion block 14 , the pushing of the unit support 2 is realized.

In specific use, during the forward process of the loader 1, it is necessary to continuously transfer the unit support 2 at the rear to the front end. First, the height of the unit support 2 is reduced by shortening the lifting mechanism, and then the height of the unit support 2 is reduced by the bottom adjustment jack 12 and the cushion block 15. Cooperate with each other, move the unit support 2 under the track-shaped ring frame 4, use the lifting tool 51 to connect with the unit support 2, the hoisting trolley 5 lifts the unit support 2, and drives the unit support 2 through the bidirectional drive motor 3. 2. Transported to the front end, and then remove the unit support 2, again through the mutual cooperation of the bottom adjustment jack 12 and the cushion block 15, so that the unit support 2 returns to both sides, and supports the roadway after being raised.

Finally it should be noted that: the above embodiment is only used to illustrate the technical scheme of the present invention and not to limit it; Although the present invention has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should understand: The specific embodiments of the invention are modified or some technical features are equivalently replaced; without departing from the spirit of the technical solutions of the present invention, all of them should be included in the scope of the technical solutions claimed in the present invention.

Claims (7)

1. A fully mechanized mining face transportation unit support system along the trough is characterized in that: comprising a loader, an annular hoisting device and a plurality of unit supports for being arranged on both sides of the roadway, and the annular hoisting device includes a drive A device, an annular guide device and a hoisting trolley, the annular guiding device is installed above the loader, the hoisting trolley is suspended below the annular guiding device, and the driving device drives the hoisting trolley along the The annular guide device moves, the travel path of the hoisting trolley is arranged around the two sides and the rear of the loader, and the hoisting trolley is provided with a hoisting tool corresponding to the unit support; the annular guide device includes a runway type ring frame and ring drive chain, the racetrack ring frame is provided with a ring channel, the ring drive chain is wound in the ring channel, the hoisting trolley is installed on the ring drive chain, the The driving device drives the trolley to move through the endless transmission chain. 2 . The system for transporting units along the trough for fully mechanized mining face according to claim 1 , wherein the driving device is installed at the front end of the racetrack-shaped annular frame. 3 . 3. The fully mechanized mining face transporting trough unit support handling system according to claim 2, wherein the annular guide device further comprises a plurality of beams and A plurality of support beams connected to the bottoms of the plurality of cross beams, and the top of the loader is respectively provided with a connection interface corresponding to the bottom end of each of the support beams. 4. The fully mechanized mining face transporting unit support handling system along the trough according to any one of claims 1-3, wherein the unit support comprises a lifting mechanism, a base arranged at the bottom end of the lifting mechanism, and a base arranged at the bottom of the lifting mechanism. The top end of the lifting mechanism supports the top seat, and the bottom adjustment jacks arranged horizontally are arranged on the base. 5. The fully mechanized mining face transporting trough unit support handling system according to claim 4, wherein the bottom adjusting jack is a bidirectional telescopic jack. 6 . The system for transporting units along the trough for fully mechanized mining face according to claim 5 , wherein the lifting mechanism comprises two vertical columns. 7 . 7 . The system for transporting a unit support along a trough for fully mechanized mining face according to any one of claims 1 , 2 , 3 , 5 and 6 , wherein the driving device is a bidirectional driving motor. 8 .

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