CN212927838U - Coal mining system with auxiliary support - Google Patents
Coal mining system with auxiliary support Download PDFInfo
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- CN212927838U CN212927838U CN202020855007.2U CN202020855007U CN212927838U CN 212927838 U CN212927838 U CN 212927838U CN 202020855007 U CN202020855007 U CN 202020855007U CN 212927838 U CN212927838 U CN 212927838U
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Abstract
The utility model discloses a coal mining system that support is supplementary, coal mining system includes: the coal mining machine is arranged on the scraper conveyor, and is characterized in that at least 3 pushing connecting rods are arranged at intervals on the rear side of the scraper conveyor, a pushing oil cylinder is arranged on the rear side of each pushing connecting rod, and the rear end of each pushing oil cylinder is connected with a hydraulic support; a telescopic oil cylinder is arranged on the pushing connecting rod, a scraper conveyor connecting block is arranged at the top of the telescopic oil cylinder, the scraper conveyor connecting block is connected with a scraper conveyor, and the telescopic oil cylinder can lift the scraper conveyor connecting block; the scraper conveyer connecting block on be equipped with the track, be equipped with portable detection device on the track. The utility model has the advantages and beneficial effects that: the automatic cutting of the coal mining machine, the automatic alignment of the scraper conveyor, the automatic alignment of the hydraulic support and the like under the condition of automatic environment sensing can be realized, and the automatic coal mining operation is realized.
Description
Technical Field
The utility model belongs to the technical field of the colliery is excavated, concretely relates to coal mining system that support is supplementary suitable for colliery is thin coal seam combine to adopt working face in pit.
Background
In the past, the coal mining process of the fully mechanized coal mining face is mature, and different coal mining processes can be adopted according to the thickness and the trend of a coal seam. According to the height, a one-time mining full-height mode and a comprehensive top coal caving mode can be adopted, the application range of the special one-time mining full-height mode is wider and wider, and the coal mining process is gradually increased from 2-4 meters to nearly ten meters of one-time mining full-height. For the coal mining operation of the thin coal seam, due to the limitation of height, workers usually cannot walk vertically along the working face, and only stolonizing operation is performed at some time, so that the labor intensity of the workers for mining the coal of the thin coal seam is higher.
In order to efficiently develop coal mining work, the fully mechanized coal mining face is generally required to ensure three straightness, namely, the working face coal wall is straight, the conveyor is straight, and the hydraulic support is straight, and various detection systems for ensuring the three straightness are developed for the purpose, so that obviously, when a worker cannot vertically walk in a thin coal seam to perform coal mining work, the three straightness is difficult to ensure.
Disclosure of Invention
An object of the utility model is to overcome the defect among the prior art, provide a coal mining system suitable for thin coal seam, can realize the supplementary coal mining of support, pitch and adopt the control of face-up, vertical feed cutting technology.
The technical scheme of the utility model as follows:
in a first aspect, the utility model provides a coal mining system that support is supplementary, include: the coal mining machine is arranged on the scraper conveyor, the rear side of the scraper conveyor is provided with at least 3 pushing connecting rods at intervals, the rear side of each pushing connecting rod is provided with a pushing oil cylinder, a stroke sensor is arranged in each pushing oil cylinder, the rear end of each pushing oil cylinder is connected with a hydraulic support, the top of each hydraulic support props against the top wall of a coal seam when the hydraulic support is supported, and the pushing oil cylinders can drag the pushing oil cylinders when the hydraulic support contracts; the pushing connecting rod is provided with a telescopic oil cylinder, the top of the telescopic oil cylinder is provided with a scraper conveyer connecting block, the scraper conveyer connecting block is connected with a scraper conveyer, and the telescopic oil cylinder can lift the scraper conveyer connecting block so as to adjust the angle of the scraper conveyer; the scraper conveyer connecting block is provided with a track, and the track is provided with a movable detection device; the tracks comprise long tracks and short tracks, and the plurality of short tracks are connected in series to realize the bending of the tracks; the movable detection device comprises a gyroscope, a laser ranging radar, UWB positioning equipment and a wireless communication module.
The utility model has the advantages and beneficial effects that:
through the utility model discloses the coal mining system that describes combines the automatic control of electric hydraulic control system, and the automatic cutting of coal-winning machine under the automatic perception condition of environment, the automatic alignment of scraper conveyor can be realized to ripe products and techniques such as long-range automatic control and video monitoring of coal-winning machine, and the automatic coal mining operation of realizing automation in the thin seam is made straight to hydraulic support's automation such as alignment.
Drawings
Fig. 1 is a schematic top view of a support-assisted coal mining system and a fully mechanized coal mining face provided by the present invention;
fig. 2 is a schematic side view of a coal mining system assisted by a support provided by the present invention.
Wherein: 1. a track; 2. a movable detection device; 3. a pushing cylinder; 4. a pushing connecting rod; 5. a scraper conveyor; 6. a coal mining machine; 7. a cutting drum; 8. a telescopic oil cylinder; 9. a hydraulic support; 10. scraper conveyor connecting block. A is an unexploited area; b is a mined-out area; c is the area along the working surface with the support; d is the area to be mined.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1 and 2, the utility model provides a coal mining system assisted by a bracket, which comprises: the coal mining machine comprises a coal mining machine 6 and a scraper conveyor 5, a cutting roller 7 is arranged on the front side of the coal mining machine 6, the coal mining machine 6 is arranged on the scraper conveyor 5 and can move on the scraper conveyor, at least 3 pushing connecting rods 4 are arranged on the rear side of the scraper conveyor 5 at intervals, a pushing oil cylinder 3 is arranged on the rear side of each pushing connecting rod, a stroke sensor is arranged in each pushing oil cylinder, the rear end of each pushing oil cylinder is connected with a hydraulic support 9, each hydraulic support 9 comprises an upper arm and a lower arm, a hydraulic device is arranged between each upper arm and each lower arm, the hydraulic device adjusts the angle between each upper arm and each lower arm to achieve height adjustment of the hydraulic support, a top plate for supporting a coal wall is arranged at the top of each upper arm, a bottom plate is arranged at the bottom of each lower arm, the top of each hydraulic support props against the top wall; the pushing connecting rod 4 is provided with a telescopic oil cylinder 8, the top of the telescopic oil cylinder 8 is provided with a scraper conveyer connecting block 10, the scraper conveyer connecting block is connected with the scraper conveyer 5, and the telescopic oil cylinder 8 can lift the scraper conveyer connecting block 20 so as to adjust the angle of the scraper conveyer 5; a track 1 is arranged on the connecting block of the scraper conveyer, and a movable detection device 2 is arranged on the track; the tracks comprise long tracks and short tracks, and the plurality of short tracks are connected in series to realize the bending of the tracks; the movable detection device comprises a gyroscope, a laser ranging radar, UWB positioning equipment and a wireless communication module.
The above detailed description is provided for the examples of the present invention, but the above description is only for the preferred embodiments of the present invention, and should not be considered as limiting the scope of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (4)
1. A support-assisted coal mining system comprising: the coal mining machine is arranged on the scraper conveyor, and is characterized in that the rear side of the scraper conveyor is provided with at least 3 pushing connecting rods at intervals, the rear side of each pushing connecting rod is provided with a pushing oil cylinder, a stroke sensor is arranged in each pushing oil cylinder, the rear end of each pushing oil cylinder is connected with a hydraulic support, the top of each pushing oil cylinder props against the top wall of a coal seam when the hydraulic support is supported, and the pushing oil cylinders can drag the pushing oil cylinders when the hydraulic support is contracted; the pushing connecting rod is provided with a telescopic oil cylinder, the top of the telescopic oil cylinder is provided with a scraper conveyer connecting block, the scraper conveyer connecting block is connected with a scraper conveyer, and the telescopic oil cylinder can lift the scraper conveyer connecting block so as to adjust the angle of the scraper conveyer; the scraper conveyer connecting block on be equipped with the track, be equipped with portable detection device on the track.
2. The rack-assisted coal mining system of claim 1, wherein the track includes a long track and a short track, the plurality of short tracks in series effecting a bend in the track.
3. The rack-assisted coal mining system of claim 1, wherein the movable detection device comprises a gyroscope, a laser ranging radar, a UWB locating device, and a wireless communication module.
4. The support-assisted coal mining system of claim 1, wherein the hydraulic support comprises an upper arm and a lower arm, a hydraulic device is arranged between the upper arm and the lower arm, the hydraulic device is used for adjusting an angle between the upper arm and the lower arm to achieve height adjustment of the hydraulic support, a top plate used for supporting a coal wall is arranged at the top of the upper arm, and a bottom plate is arranged at the bottom of the lower arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020855007.2U CN212927838U (en) | 2020-05-20 | 2020-05-20 | Coal mining system with auxiliary support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020855007.2U CN212927838U (en) | 2020-05-20 | 2020-05-20 | Coal mining system with auxiliary support |
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| Publication Number | Publication Date |
|---|---|
| CN212927838U true CN212927838U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020855007.2U Active CN212927838U (en) | 2020-05-20 | 2020-05-20 | Coal mining system with auxiliary support |
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| CN (1) | CN212927838U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577272A (en) * | 2020-05-20 | 2020-08-25 | 天津华宁电子有限公司 | Bracket-assisted coal mining process and coal mining system |
| CN116240775A (en) * | 2022-12-20 | 2023-06-09 | 陕西安程合创设备有限公司 | 3D leveling method and device of underground cement paver |
-
2020
- 2020-05-20 CN CN202020855007.2U patent/CN212927838U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577272A (en) * | 2020-05-20 | 2020-08-25 | 天津华宁电子有限公司 | Bracket-assisted coal mining process and coal mining system |
| CN116240775A (en) * | 2022-12-20 | 2023-06-09 | 陕西安程合创设备有限公司 | 3D leveling method and device of underground cement paver |
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