Automatic control device for unblocking of coal bunker of coal mine

Abstract

The utility model relates to the technical field of coal bunker unblocking, and discloses a coal mine coal bunker unblocking automatic control device which comprises a top bunker, a middle bunker and a bottom bunker are arranged below the top bunker, the top bunker and the middle bunker are cylindrical, the bottom bunker is a conical bunker, the interior of the middle bunker and the interior of the top bunker are rotatably arranged, and the interior of the bottom bunker and the interior of the middle bunker are slidably inserted. And an unblocking structure is arranged in the middle bin. Through the arrangement of the blockage clearing structure, the blockage condition in the coal bunker is monitored through the sensor, when blockage occurs, the motor drives the middle bunker to rotate through transmission of the gear and the gear ring, and the middle bunker rotates to drive the first scraping plate and the scraping strip to rotate; the inner walls of the top bin and the bottom bin are scraped when the first scraping plate and the scraping strip rotate, meanwhile, the inner wall of the middle bin is scraped by the second scraping plate when the middle bin rotates, efficient and automatic cleaning of coal blockage in the coal bin is achieved in a multi-layer linkage blockage cleaning mode, the blockage phenomenon of the coal bin is prevented, and the blockage cleaning effect of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal bunker unblocking technical field especially relates to a coal mine coal bunker unblocking automatic control device. BACKGROUND

[0002] The coal mine coal bunker is the important equipment in the coal production and transportation process, and its main function is to store, regulate and transport coal. The typical structure of the coal bunker is usually composed of a cylinder and a conical hopper, the upper part is wide for feeding, and the lower part is narrow for discharging. However, in the process of coal storage and falling, due to the diversification of coal quality and the limitation of the design of the coal bunker structure, the coal accumulation phenomenon often occurs in the inner wall of the coal bunker, which may cause the coal bunker to be blocked and affect the normal transportation of coal and the subsequent production process.

[0003] The existing coal bunker unblocking device for coal mining (publication number: CN206634535U) has at least the following disadvantages: although the above-mentioned device drives the scraper to move up and down by the hydraulic cylinder to realize unblocking, the up and down movement mode driven by the four hydraulic cylinders cannot realize the overall unblocking of the coal in the whole coal bunker, only the local blockage in the area where the scraper is located is processed, the overall unblocking demand response is insufficient, and the coal bunker blockage problem is difficult to improve, thereby leading to poor unblocking effect of the device, therefore, we propose the utility model. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a coal mine coal bunker unblocking automatic control device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A coal mine coal bunker unblocking automatic control device, including the top storehouse, the lower part of top storehouse is provided with middle storehouse and bottom storehouse, top storehouse and middle storehouse are all cylindrical, bottom storehouse is conical storehouse, the inside rotation of middle storehouse and top storehouse is arranged, the inside of bottom storehouse and middle storehouse is slidably inserted, the inside of middle storehouse is provided with unblocking structure, unblocking structure includes two first scrapers fixed in the top surface of middle storehouse, the outside of two first scrapers is all with the inner circular wall surface of top storehouse, the top surface of bottom storehouse is fixed with two second scrapers, the outside of two second scrapers is with the inner circular wall surface of middle storehouse, the outer circular wall surface of middle storehouse is fixed with gear ring, one side of gear ring is engaged with gear, the lower part of top storehouse is provided with PLC controller, the inner wall of bottom storehouse is fixed with material break sensor, material break sensor and PLC controller are electrically connected.

[0007] As a further scheme of the utility model, the outer circular wall surface of the middle bin is fixed with a support ring, the outer circular wall surface of the support ring is electrically connected with the PLC controller, and the bottom surface of the gear is attached to the top surface of the support ring.

[0008] As a further scheme of the utility model, the outer circular wall surface of the bottom bin is fixed with a base, the motor is fixed to the top surface of the base, the top surface of the base is fixed with a fixing frame, and the fixing frame is fixed to the outer circular wall surface of the top bin.

[0009] As a further scheme of the utility model, the outer circular wall surface of the middle bin is fixed with a support ring, the outer circular wall surface of the support ring is electrically connected with the PLC controller, and the bottom surface of the gear is attached to the top surface of the support ring.

[0010] As a further scheme of the utility model, the outer circular wall surface of the base is fixed with a support seat, and the support seat is annular.

[0011] As a further scheme of the utility model, the support seat and the base are both provided with a movable gap on one side.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The automatic control device for clearing blockage, through the setting of the blockage clearing structure, the blockage sensor monitors the blockage condition in the coal bin, when blockage occurs, the motor drives the middle bin to rotate through the transmission of the gear and the gear ring, the middle bin drives the first scraper and the scraping strip to rotate, the first scraper and the scraping strip scrape the inner wall of the top bin and the bottom bin respectively when rotating, and the second scraper scrapes the inner wall of the middle bin when the middle bin rotates, so that the blockage is cleared in a multi-layer linkage mode, the coal bin is comprehensively cleared, efficient automatic cleaning of the coal blockage in the coal bin is realized, the coal bin blockage phenomenon is prevented, and the blockage clearing effect of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model provides a kind of coal mine coal bin blockage clearing automatic control device structure schematic view;

[0015] Figure 2 The utility model provides a kind of coal mine coal bin blockage clearing automatic control device structure schematic view;

[0016] Figure 3 The utility model provides a kind of coal mine coal bin blockage clearing automatic control device structure schematic view;

[0017] Figure 4The utility model provides a split structure schematic view of middle bin of automatic control device of coal mine coal bunker unblocking.

[0018] In the figure: 1, top bin; 2, middle bin; 201, first scraper; 202, second scraper; 203, gear ring; 204, gear; 205, fixed rod; 206, mounting rod; 207, scraping strip; 3, bottom bin; 301, base; 302, fixed frame; 4, support ring; 5, support seat; 6, movable gap. DETAILED DESCRIPTION

[0019] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0020] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the utility model, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, and can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] REFERENCE Figures 1-4The utility model provides an automatic control device of coal mine coal bunker, including top storehouse 1, the bottom of top storehouse 1 is provided with middle storehouse 2 and bottom storehouse 3, and top storehouse 1 and middle storehouse 2 are all cylindrical, and bottom storehouse 3 is conical storehouse, and middle storehouse 2 is rotatably arranged in the inside of top storehouse 1, and bottom storehouse 3 is slidably inserted in the inside of middle storehouse 2, and the inside of middle storehouse 2 is provided with a clearing structure, and the clearing structure includes two first scrapers 201 fixed on the top surface of middle storehouse 2, and the outer sides of the two first scrapers 201 are all attached to the inner circular wall surface of top storehouse 1, and the top surface of bottom storehouse 3 is fixed with two second scrapers 202, and the outer sides of the two second scrapers 202 are attached to the inner circular wall surface of middle storehouse 2, and the outer circular wall surface of middle storehouse 2 is fixed with a gear ring 203, and one side of the gear ring 203 is engaged with a gear 204, and the bottom of top storehouse 1 is provided with a PLC controller, and the inner wall surface of bottom storehouse 3 is fixed with a material breakage sensor 7, and the material breakage sensor 7 is electrically connected with the PLC controller.

[0023] In the embodiment, one side of the middle storehouse 2 is provided with a motor, the output end of the motor is fixed with the gear 204, the inside of the middle storehouse 2 is fixed with a fixed rod 205, the outer circular wall surface of the fixed rod 205 is fixed with a mounting rod 206, the outer circular wall surface of the mounting rod 206 is fixed with a scraping strip 207, the material breakage sensor 7 is located below the scraping strip 207, the scraping strip 207 is arranged in a staggered manner with the second scraper 202, the scraping strip 207 is attached to the inner wall surface of the bottom storehouse 3, and the motor is electrically connected with the PLC controller. Through the arrangement of the clearing structure, the material breakage sensor 7 monitors the blocking condition in the coal bunker, when blocking occurs, the material breakage sensor 7 feeds back information to the PLC controller, the PLC controller starts the motor, the motor drives the middle storehouse 2 to rotate through the transmission of the gear 204 and the gear ring 203, the middle storehouse 2 drives the first scraper 201 and the scraping strip 207 to rotate, the first scraper 201 and the scraping strip 207 respectively scrape the inner wall of the top storehouse 1 and the bottom storehouse 3 when rotating, and the second scraper 202 scrapes the inner wall of the middle storehouse 2 when the middle storehouse 2 rotates, the movement of the middle storehouse 2 can disturb the arch structure of the easily blocked section, so that the coal in the central region is subjected to a traction effect, avoiding the accumulation of coal at the central position, in addition, the scraping of the second scraper 202 helps to push the coal at the bottom to the discharge port, relieving the deep layer blocking problem, in a multi-layer linkage clearing and blocking mode, the inside of the coal bunker is comprehensively cleared and blocked, realizing efficient and automatic cleaning of the coal blocking in the coal bunker, preventing the occurrence of coal bunker blocking phenomenon, and improving the clearing and blocking effect of the device.

[0024] In the embodiment, the outer circular wall surface of the bottom storehouse 3 is fixed with a base 301, the motor is fixed with the top surface of the base 301, the top surface of the base 301 is fixed with a fixed frame 302, the fixed frame 302 is fixed with the outer circular wall surface of the top storehouse 1, and the fixed frame 302 fixes the bottom storehouse 3 and the top storehouse 1, so that the top storehouse 1 and the bottom storehouse 3 remain stable when the middle storehouse 2 rotates.

[0025] In this embodiment, the outer circular wall surface of the middle bin 2 is fixed with a supporting ring 4, the outer circular wall surface of the supporting ring 4 is electrically connected with the PLC controller, the bottom surface of the gear 204 is attached to the top surface of the supporting ring 4, and the rotating gear 204 can be supported through the supporting ring 4, so that the device can stably operate.

[0026] In this embodiment, the outer circular wall surface of the base 301 is fixed with a supporting seat 5, the supporting seat 5 is annular, and the device can increase the contact area with the bottom surface through the supporting seat 5, so that the device can stably operate.

[0027] In this embodiment, the supporting seat 5 and one side of the base 301 are both provided with a movable gap 6, and the movable gap 6 can facilitate the workers to connect the discharging end of the device with the external conveying device.

[0028] Working principle: in use, the blockage of the coal bin is monitored by the break sensor 7, when the blockage occurs, the break sensor 7 feeds back information to the PLC controller, the PLC controller starts the motor, the motor drives the middle bin 2 to rotate through the transmission of the gear 204 and the gear ring 203, the middle bin 2 drives the first scraper 201 and the scraper strip 207 to rotate, the first scraper 201 and the scraper strip 207 respectively scrape the inner wall of the top bin 1 and the bottom bin 3 when rotating, and the second scraper 202 scrapes the inner wall of the middle bin 2 when the middle bin 2 rotates, the movement of the middle bin 2 can disturb the arch structure of the easily blocked section, so that the coal in the central region is subjected to a traction effect, and the coal is prevented from accumulating at the central position, in addition, the scraping of the second scraper 202 helps to push the coal at the bottom to the discharge port, and the deep layer blockage problem is alleviated, the coal bin is comprehensively cleared and blocked in a multi-layer linkage unblocking mode, the high-efficiency automatic cleaning of the coal blockage in the coal bin is realized, the bottom bin 3 and the top bin 1 are fixed by the fixing frame 302, so that the top bin 1 and the bottom bin 3 remain stable when the middle bin 2 rotates, the rotating gear 204 can be supported through the supporting ring 4, so that the device can stably operate, the device can increase the contact area with the bottom surface through the supporting seat 5, so that the device can stably operate, and the workers can connect the discharging end of the device with the external conveying device through the movable gap 6.

[0029] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A kind of coal mine coal bunker unblocking automatic control device, including top storehouse (1), it is characterized by: The lower part of the top bin (1) is provided with a middle bin (2) and a bottom bin (3), the top bin (1) and the middle bin (2) are both cylindrical, the bottom bin (3) is a conical bin, the middle bin (2) is rotatably arranged inside the top bin (1), the bottom bin (3) is slidably inserted inside the middle bin (2), the inside of the middle bin (2) is provided with a block cleaning structure, the block cleaning structure comprises two first scrapers (201) fixed on the top surface of the middle bin (2), the outer sides of the two first scrapers (201) are in contact with the inner circular wall surface of the top bin (1), the top surface of the bottom bin (3) is fixed with two second scrapers (202), the outer sides of the two second scrapers (202) are in contact with the inner circular wall surface of the middle bin (2), the outer circular wall surface of the middle bin (2) is fixed with a gear ring (203), one side of the gear ring (203) is engaged with a gear (204), the lower part of the top bin (1) is provided with a PLC controller, the inner wall surface of the bottom bin (3) is fixed with a material breakage sensor (7), the material breakage sensor (7) is electrically connected with the PLC controller.

2. The automatic control device for unblocking the coal bunker of the coal mine according to claim 1, characterized in that, The side of the middle bin (2) is provided with a motor, the output end of the motor is fixed with the gear (204), the inside of the middle bin (2) is fixed with a fixed rod (205), the outer circular wall surface of the fixed rod (205) is fixed with a mounting rod (206), the outer circular wall surface of the mounting rod (206) is fixed with a scraping strip (207), the material breakage sensor (7) is located below the scraping strip (207), the scraping strip (207) is arranged in a staggered manner with the second scraper (202), the scraping strip (207) is in contact with the inner wall surface of the bottom bin (3), the motor is electrically connected with the PLC controller.

3. The automatic control device for unblocking the coal bunker of the coal mine according to claim 2, characterized in that, The outer circular wall surface of the bottom bin (3) is fixed with a base (301), the motor is fixed on the top surface of the base (301), the top surface of the base (301) is fixed with a fixing frame (302), the fixing frame (302) is fixed with the outer circular wall surface of the top bin (1).

4. The automatic control device for unblocking the coal bunker of the coal mine according to claim 3, characterized in that, The outer circular wall surface of the middle bin (2) is fixed with a support ring (4), the outer circular wall surface of the support ring (4) is electrically connected with the PLC controller, the bottom surface of the gear (204) is in contact with the top surface of the support ring (4).

5. The automatic control device for unblocking the coal bunker of the coal mine according to claim 4, characterized in that, The outer circular wall surface of the base (301) is fixed with a support seat (5), the support seat (5) is annular.

6. The automatic control device for unblocking the coal bunker of the coal mine according to claim 5, characterized in that, The side of the support seat (5) and the base (301) is provided with a movable gap (6).

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