阅读说明：本技术 井下综采工作面矿用刮板输送机 (Mining scraper conveyor for underground fully-mechanized mining working face ) 是由 白小英 张成武 田彬宜 沈丰 王亮 刘蕊祖 米佩 成敏 于 2020-10-19 设计创作，主要内容包括：一种井下综采工作面矿用刮板输送机,刮板输送机本体的机头下方固定设有收煤装置,收煤装置包括安装底座、落煤转运部件、可伸缩落煤引导部件、控制装置、推送动力部件,可伸缩落煤引导部件倾斜固定设在安装底座的顶部,可伸缩落煤引导部件包括底部导向槽、上部接料槽,底部导向槽倾斜固定设在安装底座的顶部,上部接料槽设在底部导向槽内,推送动力部件固定设在安装底座顶部；本发明通过设置的可伸缩落煤引导部件可将撒落的煤收集,并转运到落煤转运部件内运送走,通过控制装置控制推送动力部件的自动伸缩,可根据工作面落煤流量的大小控制可伸缩落煤引导部件的长度,避免了落煤在刮板输送机机头发生堆煤的问题。(A coal collecting device is fixedly arranged below a machine head of a scraper conveyor body and comprises an installation base, a coal breakage transfer part, a telescopic coal breakage guide part, a control device and a pushing power part, wherein the telescopic coal breakage guide part is obliquely and fixedly arranged at the top of the installation base and comprises a bottom guide groove and an upper material receiving groove; the invention can collect the scattered coal through the arranged telescopic coal breakage guide part, transfer the collected coal into the coal breakage transfer part for conveying, control the automatic extension of the pushing power part through the control device, control the length of the telescopic coal breakage guide part according to the coal breakage flow of the working face, and avoid the coal piling problem of the coal breakage at the head of the scraper conveyor.)

1. The utility model provides a mining scraper conveyor of working face is adopted to full machine in pit, includes the scraper conveyor body, its characterized in that: the coal collecting device for receiving the coal breakage on the roller of the coal mining machine is fixedly arranged below the machine head of the scraper conveyor body and comprises an installation base, a coal breakage transfer part, a telescopic coal breakage guide part, a control device and a pushing power part, the installation base is fixedly arranged on the scraper conveyor body and is positioned below the machine head of the scraper conveyor, the telescopic coal breakage guide part is obliquely and fixedly arranged at the top of the installation base and comprises a bottom guide groove and an upper material receiving groove, the bottom guide groove is obliquely and fixedly arranged at the top of the installation base, the upper material receiving groove is arranged in the bottom guide groove, the pushing power part is fixedly arranged at the top of the installation base and is positioned below the bottom guide groove, and one end of the pushing power part is fixedly connected with the bottom of the upper material receiving groove, utilize propelling movement power part's flexible can drive upper portion and connect the silo along bottom guide way relative slip to adjust scalable coal breakage leading part's length, controlling means passes through wire electric connection with propelling movement power part, the coal breakage transfer unit sets up the one end at the scraper conveyor body, and the entry end of coal breakage transfer unit is located scalable coal breakage leading part exit end under, thereby utilizes the coal breakage transfer unit to transport away the coal breakage of collecting.

2. The mining scraper conveyor for the underground fully mechanized mining face according to claim 1, characterized in that: the one end that the installation base kept away from the coal breakage transportation part is fixed and is provided with the leading wheel.

3. The mining scraper conveyor for the underground fully mechanized mining face according to claim 1, characterized in that: the bottom surface of the bottom guide groove is provided with a sliding groove, and the sliding groove is arranged along the long edge direction of the bottom guide groove.

4. The mining scraper conveyor for the underground fully mechanized mining face according to claim 3, characterized in that: the spout is located the bottom guide way and keeps away from the one end of coal breakage transportation part.

5. The mining scraper conveyor for the underground fully mechanized mining face according to claim 1, characterized in that: the utility model discloses a coal chute transportation device, including upper portion connects the silo to set up in the bottom guide way, upper portion connects the silo to keep away from the fixed baffle that is provided with of one end of coal chute transportation part, the lower extreme downwardly extending of baffle to be located the below that upper portion connects the silo, upper portion connects the fixed bottom connecting plate that is provided with in bottom of silo, the one end of bottom connecting plate and the lower part fixed connection of baffle, the size of bottom connecting plate and the size phase-match of spout, the spout can be passed to the bottom connecting plate, and be located the below of bottom guide.

6. The mining scraper conveyor for the underground fully mechanized mining face according to claim 5, characterized in that: and a connecting lug plate is fixedly arranged on the bottom connecting plate.

7. The mining scraper conveyor for the underground fully mechanized mining face according to claim 5, characterized in that: and a positioning plate is fixedly arranged at one end of the bottom connecting plate, which is far away from the connecting lug plate.

8. The mining scraper conveyor for the underground fully mechanized mining face according to claim 1, characterized in that: the pushing power component is fixedly arranged below the bottom guide groove, one end of the pushing power component is fixedly connected with the bottom of the bottom guide groove, and the other end of the pushing power component penetrates through the positioning plate and is fixedly connected with the connecting lug plate.

9. The mining scraper conveyor for the underground fully mechanized mining face of claim 8, wherein: the pushing power component is provided with a pressure sensor, and the pressure sensor is electrically connected with the control device through a lead.

10. The mining scraper conveyor for the underground fully mechanized mining face according to claim 5, characterized in that: the width of the inlet end of the upper material receiving groove is larger than that of the outlet end of the upper material receiving groove, and rib plates are fixedly arranged on two sides of the inlet end of the upper material receiving groove.

Technical Field

The invention relates to the technical field of underground coal conveying equipment of coal mines, in particular to a mining scraper conveyor for an underground fully mechanized coal mining face.

Background

As is well known, the coal mine underground fully mechanized coal mining face is used as a first production site of coal and has the characteristics of narrow operation space, more mechanical equipment, poor visual environment and the like. The coal cutter is at the scraper conveyor aircraft nose coal cutting in-process, and the coal breakage on the coal cutter cylinder can drop in scraper conveyor aircraft nose department, leads to scraper conveyor aircraft nose department often to pile up a large amount of coal breakage, if the manual work is clear coal, has the increase of cost of labor and serious potential safety hazard! The selection abandoning is also a great waste of resources.

Disclosure of Invention

In view of the above, there is a need for a scraper conveyor for a fully mechanized mining face in a well.

A mining scraper conveyor for an underground fully-mechanized mining working face comprises a scraper conveyor body, wherein a coal collecting device used for receiving coal breakage on a roller of a coal mining machine is fixedly arranged below a machine head of the scraper conveyor body and comprises an installation base, a coal breakage transfer part, a telescopic coal breakage guide part, a control device and a pushing power part, the installation base is fixedly arranged on the scraper conveyor body and is positioned below the machine head of the scraper conveyor, the telescopic coal breakage guide part is obliquely and fixedly arranged at the top of the installation base and comprises a bottom guide groove and an upper material receiving groove, the bottom guide groove is obliquely and fixedly arranged at the top of the installation base, the upper material receiving groove is arranged in the bottom guide groove, the pushing power part is fixedly arranged at the top of the installation base and is positioned below the bottom guide groove, and propelling movement power part's one end and the bottom fixed connection that connects the silo on upper portion, the flexible of utilizing propelling movement power part can drive upper portion and connect the silo along bottom guide way relative slip to adjust scalable coal breakage guide part's length, controlling means passes through wire electric connection with propelling movement power part, the coal breakage transfer part sets up the one end at the scraper conveyor body, and the entry end of coal breakage transfer part is located scalable coal breakage guide part exit end under, thereby utilizes the coal breakage transfer part to transport away the coal breakage of collecting.

Preferably, one end of the mounting base, which is far away from the coal breakage transfer component, is fixedly provided with a guide wheel.

Preferably, a sliding groove is formed in the bottom surface of the bottom guide groove, and the sliding groove is formed in the long edge direction of the bottom guide groove.

Preferably, the sliding groove is positioned at one end of the bottom guide groove far away from the coal falling transferring part.

Preferably, upper portion connects the silo setting in the bottom guide way, and upper portion connects the one end that the silo kept away from the coal breakage transfer unit to fix and is provided with the baffle, and the lower extreme downwardly extending of baffle to be located the below that upper portion connects the silo, upper portion connects the fixed bottom connecting plate that is provided with in bottom of silo, the one end of bottom connecting plate and the lower part fixed connection of baffle, the size phase-match of bottom connecting plate and spout, the spout can be passed to the bottom connecting plate, and be located the below of bottom guide way.

Preferably, the bottom connecting plate is fixedly provided with a connecting lug plate.

Preferably, a positioning plate is fixedly arranged at one end, far away from the connecting lug plate, of the bottom connecting plate.

Preferably, the pushing power part is fixedly arranged below the bottom guide groove, one end of the pushing power part is fixedly connected with the bottom of the bottom guide groove, and the other end of the pushing power part penetrates through the positioning plate and is fixedly connected with the connecting lug plate.

Preferably, a pressure sensor is arranged on the pushing power component and electrically connected with the control device through a lead.

Preferably, the width of the inlet end of the upper material receiving groove is larger than the width of the outlet end of the upper material receiving groove, and rib plates are fixedly arranged on two sides of the inlet end of the upper material receiving groove.

By adopting the technical scheme, the invention has the beneficial effects that: the coal collecting device comprises an installation base, a coal breakage transfer part, a telescopic coal breakage guide part, a control device and a pushing power part, wherein the installation base is fixedly arranged on the scraper conveyor body and is positioned below the scraper conveyor head, the telescopic coal breakage guide part is obliquely and fixedly arranged at the top of the installation base, the telescopic coal breakage guide part comprises a bottom guide groove and an upper material receiving groove, the bottom guide groove is obliquely and fixedly arranged at the top of the installation base, the upper material receiving groove is arranged in the bottom guide groove, the pushing power part is fixedly arranged at the top of the installation base and is positioned below the bottom guide groove, and one end of the pushing power part is fixedly connected with the bottom of the upper material receiving groove, the telescopic coal dropping transfer component is arranged at one end of the scraper conveyor body, the inlet end of the coal dropping transfer component is positioned right below the outlet end of the telescopic coal dropping guide component, and the collected coal dropping is transferred away by the coal dropping transfer component; the invention can collect the scattered coal through the arranged telescopic coal breakage guide component, and transport the collected coal to the coal breakage transfer component for transportation, thereby greatly reducing the coal breakage accumulation of the scraper conveyor head, controlling the automatic extension of the pushing power component through the control device, and controlling and adjusting the length of the telescopic coal breakage guide component according to the coal breakage flow of the working surface, so as to facilitate more scattered coal blocks, thereby avoiding the problems of coal piling and coal resource waste of the coal breakage on the roller of the coal mining machine at the scraper conveyor head.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of the connection structure between the installation base, the retractable coal breakage guide member and the pushing power member according to the present invention.

Fig. 3 is a schematic structural view of fig. 2 from another angle.

Fig. 4 is a top view of fig. 2.

Fig. 5 is a schematic structural view of the upper material receiving groove of the invention.

In the figure: the coal collecting device comprises a scraper conveyor body 01, a coal collecting device 02, an installation base 21, a guide wheel 211, a coal breakage transfer component 22, a telescopic coal breakage guide component 23, a bottom guide groove 231, an upper material receiving groove 232, a baffle 2321, a bottom connecting plate 2322, a connecting lug plate 2323, a positioning plate 2324, a pushing power component 24, a control device and a rib plate 03.

Detailed Description

Referring to fig. 1 to 5, an embodiment of the invention provides a scraper conveyor for a mine of an underground fully mechanized mining face, which includes a scraper conveyor body 01, a coal collecting device 02 for receiving coal breakage on a drum of a coal mining machine is fixedly arranged below a machine head of the scraper conveyor body 01, the coal collecting device 02 includes an installation base 21, a coal breakage transfer part 22, a telescopic coal breakage guide part 23, a control device and a pushing power part 24, the installation base 21 is fixedly arranged on the scraper conveyor body 01 and is located below the machine head of the scraper conveyor, and a guide wheel 211 is fixedly arranged at one end of the installation base 21, which is far away from the coal breakage transfer part 22, so that a guiding effect is achieved. The telescopic coal chute guide part 23 is obliquely and fixedly arranged at the top of the installation base 21, the inlet end of the telescopic coal chute guide part 23 is higher than the outlet end of the telescopic coal chute guide part 23, the telescopic coal chute guide part 23 comprises a bottom guide groove 231 and an upper receiving groove 232, the bottom guide groove 231 is obliquely and fixedly arranged at the top of the installation base 21, the upper receiving groove 232 is arranged in the bottom guide groove 231, the pushing power part 24 is fixedly arranged at the top of the installation base 21 and is positioned below the bottom guide groove 231, one end of the pushing power part 24 is fixedly connected with the bottom of the upper receiving groove 232, the upper receiving groove 232 can be driven to slide relatively along the bottom guide groove 231 by the extension and retraction of the pushing power part 24, so as to adjust the length of the telescopic coal chute guide part 23, and the control device is electrically connected with the pushing power part 24 through a wire, the control device is a PLC control cabinet, a pressure sensor is arranged on the pushing power component 24 and electrically connected with the control device through a wire, when the control device is used, when a hydraulic control system of the scraper conveyor and the coal mining machine is pushed to integrally move, the guide wheel 211 can be contacted with a roadway, the pressure sensor can detect a pressure value generated after the guide wheel 211 is contacted with the roadway, the control device can be used for controlling the stretching of the pushing power component 24 at the moment, the length of the telescopic coal dropping guide component 23 can be changed easily, and therefore all coal missed on a roller of the coal mining machine can be collected in the telescopic coal dropping guide component 23. For example, when the pressure value detected by the pressure sensor is large, it indicates that the guide wheel 211 is completely contacted with the roadway, at this time, the control device controls the pushing power part 24 to adjust the length of the retractable coal breakage guiding part 23 to contract, so that the length of the retractable coal breakage guiding part 23 is reduced, the retractable coal breakage guiding part 23 is prevented from directly touching the roadway wall, and the amount of the coal collection amount can be flexibly selected; when the pressure value detected by the pressure sensor is smaller or no pressure value exists, it is indicated that the guide wheel 211 is not in contact with the roadway, at the moment, the control device can control the pushing power part 24 to adjust the length of the telescopic coal breakage guide part 23 to extend out, so that the length of the telescopic coal breakage guide part 23 is increased, the coal breakage on the roller of the coal mining machine can be collected in a larger space, and more coal breakage is suitable for being collected.

The coal breakage transfer part 22 is arranged at one end of the scraper conveyor body 01, and the inlet end of the coal breakage transfer part 22 is positioned right below the outlet end of the telescopic coal breakage guide part 23, so that collected coal breakage is transferred away by the coal breakage transfer part 22.

When the coal feeding device is used, scattered coal can be collected through the telescopic coal falling guide part 23, the scattered coal is conveyed to the coal falling transfer part 22 to be conveyed away, the coal falling of the head of the scraper conveyor can be greatly reduced and accumulated, the automatic stretching of the push power part 24 can be controlled through the control device, the length of the telescopic coal falling guide part 23 can be adjusted according to the size control of the coal falling flow of a working face, more scattered coal blocks can be facilitated, and the problems that coal piling and coal resource waste occur to the head of the scraper conveyor caused by the coal falling on a roller of a coal mining machine are solved.

The bottom surface of the bottom guide groove 231 is provided with a sliding groove, and the sliding groove is arranged along the long side direction of the bottom guide groove 231. The chute is located at the end of the bottom guide groove 231 remote from the coal breakage transfer part 22.

Upper portion connects silo 232 to set up in bottom guide way 231, upper portion connects silo 232 to keep away from the fixed baffle 2321 that is provided with of one end of coal breakage transfer unit 22, baffle 2321's lower extreme downwardly extending, and be located upper portion and connect the below of silo 232, upper portion connects the fixed bottom connecting plate 2322 that is provided with in bottom of silo 232, the one end of bottom connecting plate 2322 and the lower part fixed connection of baffle 2321, the size of bottom connecting plate 2322 and the size phase-match of spout, bottom connecting plate 2322 can pass the spout, and be located the below of bottom guide way 231, thereby can make bottom connecting plate 2322 can slide along the spout relatively, play guiding orientation's effect.

The bottom connecting plate 2322 is fixedly provided with a connecting ear plate 2323. A positioning plate 2324 is fixedly arranged at one end of the bottom connecting plate 2322, which is far away from the connecting lug plate 2323, and can play a role in positioning the pushing component.

The propelling movement power part 24 is fixedly arranged below the bottom guide groove 231, the propelling movement power part 24 is a combination of an oil cylinder and a hydraulic oil station, wherein the hydraulic oil station provides power for the oil cylinder, the propelling movement oil cylinder reciprocates, one end of the propelling movement power part 24 is fixedly connected with the bottom of the bottom guide groove 231, the other end of the propelling movement power part 24 penetrates through the positioning plate 2324 and is fixedly connected with the connection lug plate 2323, so that the upper material receiving groove 232 is driven to slide along the bottom guide groove 231 through the contraction of the propelling movement power part 24, and the length of the telescopic coal chute guide part 23 is controlled.

The width of the inlet end of the upper receiving trough 232 is greater than the width of the outlet end of the upper receiving trough 232, so that more coal falls onto the upper receiving trough 232 can be guaranteed, and rib plates 03 are fixedly arranged on two sides of the inlet end of the upper receiving trough 232.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.