CN220267692U

CN220267692U - Bottom lifting system

Info

Publication number: CN220267692U
Application number: CN202321436762.7U
Authority: CN
Inventors: 李磊; 肖曲; 牟文辉
Original assignee: Shaanxi Huangling No2 Coal Mine Co ltd
Current assignee: Shaanxi Huangling No2 Coal Mine Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-12-29
Anticipated expiration: 2033-06-07

Abstract

The utility model relates to the technical field of coal mines and discloses a bottom lifting system which comprises a roadway, wherein a plurality of advance brackets are arranged on the inner side wall of the roadway, a roadway repairing machine is arranged on one side of each advance bracket, a scraper conveyor is connected to the discharge end of the roadway repairing machine, a belt conveyor is connected to the discharge end of each scraper conveyor, a winch connected to one side of each scraper conveyor is arranged on the inner side of the roadway, a gas drainage pipe is arranged on one side of the roadway, and a detection component is arranged on one side of each advance bracket.

Description

Bottom lifting system

Technical Field

The utility model relates to the technical field of coal mines, in particular to a bottom lifting system.

Background

The floor heave is an engineering problem, is influenced by the mining engineering, the deformation of the top bottom plate of the roadway and the rock mass of two sides and the displacement of the two sides are generated in the roadway, the phenomenon that the bottom plate of the roadway bulges upwards is called as floor heave, the section of the roadway caused by the floor heave is reduced, transportation and pedestrians are hindered, mine ventilation is hindered, a great amount of manpower and material resources have to be input into a plurality of mines to do temporary processing work such as 'digging', the whole roadway is seriously scrapped, and great restrictions are generated on the production and safety of the mines.

The existing fully-mechanized coal mining face adopts a two-in one-turn roadway arrangement mode, an auxiliary conveying roadway of the upper working face is used as a return air roadway of the lower working face, the roadway retaining time is long and is influenced by the goaf pressure of the upper working face and the mining pressure superposition of the upper working face, the mine pressure of the return air roadway is obvious, the phenomena of bottom bulging, ledge and roof separation and the like occur, particularly in the later stoping period, the roadway bottom bulging is serious, the advanced roadway height cannot meet the minimum support requirement of an advanced support, particularly in the upper end, the roadway height is less than 2m after the bottom bulging, the safety outlet of the working face is unsmooth, the traditional operation of manually lifting the bottom is high, the labor amount of personnel is high, the efficiency is low, the occupied personnel quantity is high, the lifting height can only meet the basic safety outlet requirement, the bottom plate lifted up is lifted up again, the advanced support quality is influenced, and the bottom lifting is required to be lifted up again.

Disclosure of Invention

The present utility model is directed to a priming system for solving the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the lifting system comprises a roadway, wherein a plurality of advance brackets are arranged on the inner side wall of the roadway, a roadway repairing machine is arranged on one side of each advance bracket, a scraper conveyor is connected to the discharge end of the roadway repairing machine, a belt conveyor is connected to the discharge end of the scraper conveyor, a winch connected to one side of the scraper conveyor is arranged on the inner side of the roadway, a gas drainage pipe is arranged on one side of the roadway, and a detection assembly is arranged on one side of each advance bracket;

the detection assembly comprises a plurality of first support rods and a plurality of fixing frames, wherein second sliding grooves and third sliding grooves are respectively formed in the fixing frames, and a plurality of second support rods are fixed on two sides of each first support rod.

Preferably, a sliding rod is slidably connected to the inner side of the second sliding groove, and a sliding column is fixed to the bottom of the sliding rod.

Preferably, a first sliding groove connected to the sliding column in a sliding manner is formed in one side of the first supporting rod, and a limit groove adapted to one side of the first supporting rod and one side of the sliding rod is formed in the bottom of the inner side wall of the roadway.

Preferably, a protective cover is fixed on the top of the fixing frame, and an indicator lamp is installed on the inner side of the protective cover.

Preferably, a switch located at the lower side of the slide bar is fixed on the inner side wall of the third chute, and the output end of the switch is electrically connected to the input end of the indicator light.

Preferably, one side of the fixing frame is fixed on the inner side wall of the roadway, and one side of the bottom of the first supporting rod is attached to the bottom of the inner wall of the roadway.

Compared with the prior art, the technical scheme provided by the utility model has the following technical effects:

1. the equipment is used for cleaning the floor heave of the roadway, only 4 persons are needed to cooperate with the equipment to perform operation in the actual operation process, and the lifting capacity reaches 1.8m ³ Man and artificial sole (0.24 m) ³ The foundation raising system is higher in foundation raising quality compared with manual foundation raising, the height of the tunnel after the foundation raising can reach about 3m, the ventilation section is ensured, the ventilation system is reliable, and a foundation is laid for mine safety; meanwhile, mechanized bottom lifting is realized, labor intensity of workers is reduced, working efficiency is improved, bottom lifting speed is higher, production pressure is slowed down, normal pushing and picking of a working face are guaranteed, the problem that a bottom drum return air advance support is difficult to pull and move is thoroughly solved, pressing frame accidents are prevented, production influence caused by the bottom drum is avoided, a large amount of operators can be reduced, labor productivity of a fully-mechanized coal mining working face is improved, and accordingly benefit of the fully-mechanized coal mining working face is further improved.

2. Through the bottom plate end bulge in tunnel, the position of end bulge can promote the high rising of first bracing piece and second bracing piece this moment for first bracing piece rotates around the traveller, make the traveller slide in the inboard of first spout, when the slide bar atress moves down, make the slide bar conflict in the contact of switch, make the switch trigger, make the pilot lamp produce light suggestion after the switch triggers this moment, the position that the corresponding light of staff tunnel was told to the initiative produces end bulge phenomenon, need use the tunnel repairing machine to advance tunnel bottom end bulge department and restore, do not need the workman of colliery maintenance work to examine the end bulge phenomenon in tunnel outside the leading manual work, the time spent in maintenance of maintenance work workman has been saved, maintenance work worker's work efficiency has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a left-hand cross-sectional structure of the present utility model;

FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of a detecting unit according to the present utility model;

fig. 4 is a schematic perspective view of a first support rod according to the present utility model.

Reference numerals illustrate: 1. roadway; 2. a roadway repairing machine; 3. a detection assembly; 31. a first support bar; 32. a protective cover; 33. a second support bar; 34. a fixing frame; 35. a limit groove; 36. a spool; 37. a first chute; 38. a slide bar; 39. a second chute; 310. a switch; 311. a third chute; 312. an indicator light; 4. an advance support; 5. a gas drainage pipe; 6. a winch; 7. a belt conveyor; 8. a scraper conveyor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of a plurality of "a number" is two or more, unless explicitly defined otherwise.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.

Examples

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a play end system, including tunnel 1, the advance support 4 of a plurality of is installed to tunnel 1 inside wall, advance support 4 one side is equipped with tunnel repairing machine 2, tunnel repairing machine 2 discharge end is connected with scraper conveyor 8, scraper conveyor 8 discharge end is connected with belt conveyor 7, the winch 6 of being connected in scraper conveyor 8 one side is installed to tunnel 1 inboard, tunnel 1 one side is equipped with gas drainage pipe 5, advance support 4 one side is equipped with detection component 3, adopt the manual air pick to play the end, calculate according to working face extraction speed, under the normal condition, it is 4.6mx 0.8mx 7.2m=21.9m to need guarantee to play the end every day ³ The side can satisfy the stoping needs, and for this reason, every class of district is equipped with 5 personnel and carries out the operation of getting up, and the cinder manual back that gets up is transported to working face conveyer, and single trip transportation distance is about 80m, and the amount of labour is huge, and the model of roadway repair machine 2 is: WPZ-37/600; the type of the scraper conveyor 8 is: SGB420/30T; the belt conveyor 7 has the following model: the DSP1040/800.

The detection assembly 3 comprises a plurality of first supporting rods 31 and a plurality of fixing frames 34, wherein a second sliding groove 39 and a third sliding groove 311 are respectively formed in the fixing frames 34, a plurality of second supporting rods 33 are respectively fixed on two sides of each first supporting rod 31, when the roadway 1 is used, the first supporting rods 31 and the second supporting rods 33 do not need to detect the bottom of the roadway 1, iron chains used for fixing the first supporting rods 31 and the second supporting rods 33 are arranged on the inner wall of the roadway 1, and the iron chains are used for fixing the first supporting rods 31 and the second supporting rods 33 on the inner wall side of the roadway 1, so that the influence of the first supporting rods 31 and the second supporting rods 33 on the production of the roadway 1 is avoided.

The sliding rod 38 is slidably connected to the inner side of the second sliding groove 39, the sliding column 36 is fixed to the bottom of the sliding rod 38, the first sliding groove 37 which is slidably connected to the sliding column 36 is formed in one side of the first supporting rod 31, the limiting groove 35 which is adapted to one side of the first supporting rod 31 and one side of the sliding rod 38 is formed in the bottom of the inner side wall of the roadway 1, the first supporting rod 31 and the second supporting rod 33 are pushed to be lifted by the position of the bottom drum, at the moment, the first supporting rod 31 rotates around the sliding column 36, the sliding column 36 slides on the inner side of the first sliding groove 37, the sliding rod 38 slides downwards on the inner side of the second sliding groove 39, and at the moment, the moving range of the first supporting rod 31 and the sliding rod 38 is the inner side of the limiting groove 35.

The protection casing 32 is fixed with at mount 34 top, and pilot lamp 312 is installed to protection casing 32 inboard, and the third spout 311 inside wall is fixed with the switch 310 that is located slide bar 38 downside, and switch 310's output electric connection is in pilot lamp 312's input, and pilot lamp 312 produces the light suggestion, and the position that the corresponding pilot lamp 312 was lighted to the initiative notification staff tunnel 1 produces the collet phenomenon, need use tunnel repairing machine 2 to advance tunnel 1 bottom collet department and restore, and one side of mount 34 is fixed in tunnel 1's inside wall, and the bottom one side laminating of first bracing piece 31 is in tunnel 1's inner wall bottom.

Working principle: when the bottom of the inner wall of the roadway 1 is not supported by the advance support 4, the bottoms of the first support rod 31 and the second support rod 33 are attached to the bottom of the roadway 1, when the bottom of the roadway 1 is made of carbonaceous mudstone and contains plant root fossil, the bottom plate of the roadway 1 is easy to soften when meeting water, the bottom plate of the roadway 1 is caused to be heaved, the position of the bottom drum can push the heights of the first support rod 31 and the second support rod 33 to rise, at the moment, the first support rod 31 rotates around the sliding column 36, the sliding column 36 slides on the inner side of the first sliding groove 37, the sliding rod 38 slides downwards on the inner side of the second sliding groove 39, at this time, the movable range of the first supporting rod 31 and the sliding rod 38 is the inner side of the limit groove 35, when the sliding rod 38 is forced to move downwards, the sliding rod 38 is abutted against the contact of the switch 310, so that the switch 310 is triggered, the indicator lamp 312 is enabled to generate a light prompt after the switch 310 is triggered, a worker is actively informed of the fact that the roadway 1 is correspondingly lighted to generate a bottom bulge phenomenon at the position of the indicator lamp 312, the roadway repairing machine 2 is required to be used for repairing the bottom bulge of the bottom of the roadway 1, workers of a coal mine maintenance work are not required to check the bottom bulge phenomenon of the roadway 1 manually outside in advance, the time spent for maintenance of the workers of the maintenance work is saved, and the working efficiency of the workers of the maintenance work is improved.

When repairing the floor heave of the roadway 1, the roadway repairing machine 2 is enabled to enable the bucket to be in a retreating type operation towards the working face, the scraper conveyor 8 is paved on one side of the roadway repairing machine 2, meanwhile, the belt conveyor 7 is paved on one side of the scraper conveyor 8, coal cinder is discharged to the main belt of the adhesive tape roadway, meanwhile, the winch 6 is installed in the roadway 1 and used for synchronously following the roadway repairing machine 2 to the scraper conveyor 8, and the advance support 4 is installed in the roadway 1 after the floor heave repairing is completed.

The equipment has flexible and reliable operation, only 4 persons are needed to cooperate with the operation in the actual operation process, and the bottoming capacity reaches 1.8m ³ Human body and artificial sole 0.24m ³ The foundation lifting system has higher foundation lifting efficiency compared with people, thereby ensuring the supporting effect of the advance support 4, cleaning the foundation drum at the bottom of the roadway 1 through the foundation lifting system, compared with manual foundation lifting, the foundation lifting quality is higher, the height of the roadway 1 after the foundation lifting can reach about 3m, the ventilation section is ensured, the ventilation system is reliable, and the foundation is laid for mine safety; meanwhile, mechanized bottom lifting is realized, labor intensity of workers is reduced, working efficiency is improved, bottom lifting speed is higher, production pressure is slowed down, normal pushing and picking of a working face are guaranteed, the problem that the bottom drum return air advance support 4 is difficult to pull and move is thoroughly solved, pressing frame accidents are prevented, production influence caused by the bottom drum is avoided, a large amount of operators can be reduced, labor productivity of a fully-mechanized coal mining working face is improved, and accordingly benefit of the fully-mechanized coal mining working face is further improved.

Thus, embodiments of the present utility model have been described in detail with reference to the accompanying drawings. It should be noted that, in the drawings or the text of the specification, implementations not shown or described are all forms known to those of ordinary skill in the art, and not described in detail. Furthermore, the above definitions of the components are not limited to the specific structures, shapes or modes mentioned in the embodiments, and may be simply modified or replaced by those of ordinary skill in the art.

Those skilled in the art will appreciate that the features recited in the various embodiments of the utility model and/or in the claims may be combined in various combinations and/or combinations, even if such combinations or combinations are not explicitly recited in the utility model. In particular, the features recited in the various embodiments of the utility model and/or in the claims can be combined in various combinations and/or combinations without departing from the spirit and teachings of the utility model. All such combinations and/or combinations fall within the scope of the utility model.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the utility model thereto, but to limit the utility model thereto, and any modifications, equivalents, improvements and equivalents thereof may be made without departing from the spirit and principles of the utility model.

Claims

1. The utility model provides a play bottom system, includes tunnel (1), its characterized in that: the automatic gas drainage device is characterized in that a plurality of advanced supports (4) are arranged on the inner side wall of the roadway (1), a roadway repair machine (2) is arranged on one side of each advanced support (4), a scraper conveyor (8) is connected to the discharge end of each roadway repair machine (2), a belt conveyor (7) is connected to the discharge end of each scraper conveyor (8), a winch (6) connected to one side of each scraper conveyor (8) is arranged on the inner side of the roadway (1), a gas drainage pipe (5) is arranged on one side of the roadway (1), and a detection assembly (3) is arranged on one side of each advanced support (4);

the detection assembly (3) comprises a plurality of first supporting rods (31) and a plurality of fixing frames (34), wherein second sliding grooves (39) and third sliding grooves (311) are respectively formed in the fixing frames (34), and a plurality of second supporting rods (33) are fixed on two sides of each first supporting rod (31).

2. A priming system as claimed in claim 1, wherein: the inner side of the second sliding groove (39) is connected with a sliding rod (38) in a sliding mode, and a sliding column (36) is fixed at the bottom of the sliding rod (38).

3. A priming system as claimed in claim 2, wherein: a first chute (37) which is connected with the sliding column (36) in a sliding way is formed in one side of the first supporting rod (31), and a limit groove (35) which is adapted to one side of the first supporting rod (31) and one side of the sliding rod (38) is formed in the bottom of the inner side wall of the roadway (1).

4. A priming system as claimed in claim 2, wherein: the top of the fixing frame (34) is fixedly provided with a protective cover (32), and an indicator lamp (312) is arranged on the inner side of the protective cover (32).

5. A priming system as claimed in claim 2, wherein: the inner side wall of the third sliding groove (311) is fixed with a switch (310) positioned at the lower side of the sliding rod (38), and the output end of the switch (310) is electrically connected with the input end of the indicator lamp (312).

6. A priming system as claimed in claim 1, wherein: one side of the fixing frame (34) is fixed on the inner side wall of the roadway (1), and one side of the bottom of the first supporting rod (31) is attached to the bottom of the inner wall of the roadway (1).