Underground sump dredging equipment based on deep well coal mine

Abstract

The invention relates to the technical field of sump desilting, and discloses underground sump desilting equipment based on a deep well coal mine, which comprises a rack, walking crawler belts arranged on two sides of the rack, a sludge box and a glove box positioned on the top of the rack, and a collecting assembly for collecting sump sludge, the collecting assembly comprises a dirt collecting hopper arranged on the surface of the rack, a spiral blade rotating in the dirt collecting hopper and an intercepting assembly, the intercepting assembly is arranged on the side, away from the rack, of the dirt collecting hopper, the intercepting assembly comprises a roller, a plurality of conical blocks are arranged on the surface of the roller, a positioning shaft is arranged in the roller in a penetrating mode, and the conical blocks are arranged in the positioning shaft. The two ends of the positioning shaft are fixedly connected with connecting frames, the connecting frames are connected with the sludge collecting hopper through connecting assemblies, and when the roller rolls on the surface of sludge, the conical blocks penetrate into sundries and hang the sundries on the surface of the conical blocks. The water sump dredging device has the effect of effectively removing various strip-shaped impurities in underwater sludge during water sump dredging.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of silt removal of sump, in particular to a silt removal equipment for underground sump of deep coal mine. BACKGROUND

[0002] The silt removal operation of the silt removal equipment for underground sump of deep coal mine is crucial to the safety of the mine.

[0003] However, in the actual silt removal process, due to the mixing of various impurities in the sump, the silt in the sump often contains cable skins, plastic packaging, rubber products and belt fragments, etc. The elongated form and strong toughness of the strip-shaped impurities make them easy to entangle the rotating parts such as the auger and the impeller, causing the torque of the equipment to increase suddenly, the operation to be stuck, the temperature to be high and even the equipment to be stopped. More importantly, the existing technology generally relies on disassembly and cleaning after shutdown to deal with such impurities, which not only consumes time and effort, but also may cause the release of harmful gases such as gas and hydrogen sulfide due to repeated stirring of the silt, aggravating the risk of limited space operation. SUMMARY

[0004] The purpose of the present application is to provide a silt removal equipment for underground sump of deep coal mine to solve the problems raised in the background.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a silt removal equipment for underground sump of deep coal mine, comprising a rack, walking tracks arranged on both sides of the rack, a sludge tank and a sundry box arranged on the top of the rack, and a collecting assembly for collecting silt in the sump, the collecting assembly comprising a collecting hopper arranged on the surface of the rack and a spiral blade rotating in the collecting hopper. An intercepting assembly is arranged on the side of the collecting hopper away from the rack, the intercepting assembly comprising a roller, a plurality of conical blocks arranged on the surface of the roller, a positioning shaft arranged in the roller, and a connecting assembly connecting the collecting hopper and the connecting frame, when the roller rolls on the surface of the sludge, the conical blocks pierce into the sundry and hang the sundry on the surface of the conical blocks. A scraping assembly is arranged on the surface of the connecting frame and the roller, for removing the sundry hanging on the surface of the conical blocks.

[0006] Preferably, the scraping assembly comprises a driving motor fixedly connected to the surface of one of the connecting frames, a screw rod fixedly connected to the output end of the driving motor, and a scraper plate threadedly connected to the surface of the screw rod and matched with the roller.

[0007] Preferably, a plurality of cutters are arranged on both sides of the scraper plate.

[0008] Preferably, the auxiliary assembly further comprises a connecting belt, the conical block is connected with the roller through the connecting belt, and the connecting belt is a flexible belt.

[0009] Preferably, a plurality of limiting rods matched with the conical block are slidably connected to the inner wall of the roller, the limiting rods are respectively arranged in the roller, the connecting belt and the conical block, and the limiting rods are connected with the roller through a tension spring.

[0010] Preferably, a groove matched with the limiting rod is arranged on the surface of the positioning shaft, and the groove is arranged at a position corresponding to the scraper.

[0011] Preferably, two auxiliary discs are arranged on the surface of the roller, the auxiliary discs are fixedly connected with the connecting frame, a dust suction pipe for sucking impurities is arranged on the surface of the auxiliary disc, and a dust inlet matched with the scraper is arranged on the surface of the auxiliary disc.

[0012] Preferably, the dust suction pipes on the surfaces of the two auxiliary discs are connected with each other and connected with the sundry box, and a dust suction pump connected with the dust suction pipe is arranged in the sundry box.

[0013] Preferably, a connecting frame is fixedly connected to each side of the collecting bucket, the connecting frame is fixedly connected with the connecting frame, and a driving element matched with the spiral blade is arranged on the surface of the connecting frame.

[0014] Preferably, the collecting bucket is connected with the sludge tank through a sludge conveying pipe, and a sludge suction pump connected with the sludge conveying pipe is arranged in the sludge tank.

[0015] Compared with the prior art, the present application has the following advantages: In the present application, the roller is arranged before washing and cleaning, and the roller is rotated by the friction between the conical block and the sludge during the continuous propulsion of the whole device. The conical block continuously penetrates into the sludge to hang the strip-shaped sundries on the surface of the conical block, and the sundries in the sludge are intercepted on the surface of the roller before sludge suction, thereby effectively reducing the problem of sundries winding around the spiral blade and improving the sundry cleaning efficiency to a certain extent.

[0016] The scraper moving transversely on the surface of the roller is arranged to scrape the sundries intercepted on the surface of the conical block, thereby improving the service life of the conical block, prolonging the continuity of the sundry interception, and further cutting the strip-shaped sundries with a relatively long length into small pieces by the scraper knife on the surface of the scraper, thereby reducing the winding of the rotating spiral blade and the roller and improving the cleaning effect.

[0017] The flexible connecting belt cooperates with the hard tapering block, the limiting rod is clamped into the connecting belt and the tapering block in the conventional state, the hardness of the tapering block body is kept, the tapering block is convenient for being stabbed into the sundries to intercept the sundries, when the sundries are scraped off, the limiting rod timely withdraws, under the action of the flexible connecting belt, the tapering block can be inclined along with the scraper, the sundries are convenient for being scraped off along the scraping direction of the scraper, the conflict between the tapering block and the scraper is reduced, the smooth stabbing and scraping of the sundries are ensured, the overall flexibility is higher, and the sundries have good cleaning effect when the sludge is treated.

[0018] The auxiliary disc is arranged on the left side and the right side, the sundries scraped by the scraper and the cutter are sucked out by the dust suction pipe and stored in the sundry box, the sludge treatment classification accuracy is improved, in addition, the harmful gases such as gas and hydrogen sulfide released and carried in the sundries and the sludge can be sucked away synchronously by the dust suction pipe, and the harmfulness of the harmful gases to the operating personnel and the water sump is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application; Figure 2 It is a schematic diagram for showing the collecting hopper and the structure near it; Figure 3 It is a schematic diagram for showing the roller and the surface structure thereof; Figure 4 It is a sectional view for showing the internal structure of the roller; Figure 5 It is an enlarged view of A in the present application; Figure 4 Figure 6 It is a schematic diagram for showing the scraping assembly; Figure 7 It is a schematic diagram for showing the internal structure of the auxiliary disc.

[0020] In the drawing: 1, rack; 11, walking track; 12, sludge box; 13, sundry box; 2, collecting hopper; 21, spiral blade; 22, sludge conveying pipe; 23, connecting frame; 231, driving part; 3, connection frame; 31, positioning shaft; 311, groove; 32, roller; 321, tapering block; 322, connecting belt; 323, limiting rod; 324, tension spring; 33, auxiliary disc; 331, dust suction pipe; 332, dust inlet; 34, driving motor; 341, screw rod; 342, scraper; 343, cutter. DETAILED DESCRIPTION

[0021] ​The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] The embodiment of the present invention discloses an underground water tank desilting device based on a deep well coal mine, such as Figures 1-3 As shown, it includes a frame 1, walking tracks 11 arranged on both sides of the frame 1, and a sludge box 12 and a debris box 13 located on the top of the frame 1, wherein the walking tracks 11 are installed on both sides of the frame 1, and a walking motor for driving the walking tracks 11 is set in the frame 1, and the output end of the walking motor is connected to the walking tracks 11 for driving the walking tracks 11 and driving the frame 1 to walk. The walking tracks 11 can be set as rubber tracks or metal tracks, which can be selected according to different underground water tank environments. The sludge box 12 and the debris box 13 are fixedly installed on the top of the frame 1, and are used to collect sludge and debris in the sludge, respectively. The sludge box 12 and the debris box 13 A sludge and debris outlet pipe can also be set separately to discharge the sludge and debris in the box to an external collection device. It also includes a collection component for collecting water tank sludge, and the collection component includes a hopper 2 arranged on the surface of the frame 1, and spiral blades 21 rotating in the hopper 2, wherein the spiral blades 21 can be provided in two groups and relatively arranged on both sides of the inner wall of the hopper 2, for concentrating the collected sludge to the center of the hopper 2. The hopper 2 can be fixedly mounted on the surface of the frame 1, such as by bolting or welding, or it can be installed on the surface of the frame 1 by a lifting device, so as to adjust the height of the hopper 2 according to different water tank sludge environments.

[0023] The interception component is arranged on the side of the dirt collecting hopper 2 away from the frame 1. The interception component includes a roller 32. A number of conical blocks 321 are provided on the surface of the roller 32. The conical blocks 321 are spike-shaped and are made of aluminum alloy or stainless steel to facilitate adaptation to the sludge water environment and improve durability. A positioning shaft 31 is passed through the roller 32. Both ends of the positioning shaft 31 are fixedly connected to a connecting frame 3. The connecting frame 3 is connected to the dirt collecting hopper 2 through a connecting component. When the roller 32 rolls on the sludge surface, the conical blocks 321 penetrate into the debris and hang the debris on its surface. A scraper component is provided on the connecting frame 3 and the surface of the roller 32 to remove the debris hanging on the surface of the conical block 321.

[0024] Specifically, when the walking track 11 drives the whole device to move in the silt in the silt pool, the silt is collected by the collecting assembly, and in addition, the roller 32 located in front of the silt collecting bucket 2 is synchronously operated, the conical blocks 321 on the surface of the roller 32 contact the surface of the silt, and under the action of the continuous driving force of the whole device, the roller 32 rotates on the surface of the positioning shaft 31, and the conical blocks 321 arranged on the surface of the roller 32 continuously penetrate into the silt in the rotating process, and the strip-shaped sundries in the silt or on the surface of the silt are pierced by the conical blocks 321, are hung on the surface of the single or multiple conical blocks 321, and are taken out of the silt water in the continuous rotating process of the roller 32, so as to complete the interception of the sundries before the silt treatment, and then the sundries on the surface of the conical blocks 321 are scraped off by the scraping assembly.

[0025] As shown in Figure 6 In this embodiment, the scraping assembly comprises a driving motor 34 fixedly connected to the surface of one of the link frames 3, the output end of the driving motor 34 is fixedly connected with a screw rod 341, the screw rod 341 is rotatably connected to the surfaces of the two link frames 3 and is arranged in parallel with the axis line of the roller 32, and the surface of the screw rod 341 is threadedly connected with a scraper 342 matched with the roller 32, the shape of the scraper 342 is equivalent to the shape of the surface of the roller 32, and both are arranged in the shape of a circular arc. When the output end of the driving motor 34 drives the screw rod 341 to rotate, the scraper 342 on the surface of the screw rod 341 will slide on the surface of the roller 32 under the action of the helical rotating force, and then move transversely on the surface of the roller 32 to scrape off various strip-shaped sundries hung on the conical blocks 321 on the surface of the roller 32 to one side of the roller 32.

[0026] It is worth noting that one scraping cycle is completed when the scraper 342 moves to one side of the roller 32 with the screw rod 341 rotating, after the arc surface swept in one cycle is moved away, the driving motor 34 is reversed to drive the screw rod 341 to reverse, so that the scraper 342 slides reversely to continue the scraping action towards the initial direction and returns to the initial position, which is the second scraping cycle. Through the reciprocating of the first and second cycles, the sundries on the surface of the roller 32 can be continuously scraped, so that the sundries are removed more comprehensively.

[0027] Further, the scraper 342 is provided with a plurality of cutters 343 on both sides, the cutters 343 are stainless steel or aluminum alloy cutters 343, which are used to cut the strip-shaped impurities on the surface of the conical block 321 when the scraper 342 scrapes the strip-shaped impurities, and the long strip-shaped impurities are cut into pieces to reduce the risk of blockage and entanglement of the dredging equipment, and the scraper 342 is provided with cutters 343 on both sides, which facilitates the reciprocating movement of the scraper 342 to scrape off the impurities on both sides, and improves the cutting efficiency, in addition, the cutters 343 can be inclined, which can further tear the strip-shaped impurities during cutting, improve the cutting and tearing effect, and a collection plate can be separately provided on one side of the roller 32 to collect the cut and dropped impurities, preventing the cut impurities from falling into the sludge.

[0028] As shown in Figure 4 and Figure 5 In the present embodiment, an auxiliary assembly is further included, which comprises a connecting belt 322, the conical block 321 is connected with the roller 32 through the connecting belt 322, the connecting belt 322 is a flexible belt, which can be a rubber belt, a composite fiber belt, and a metal wire woven belt, etc., which has a certain flexibility and deformation amount while ensuring toughness, and the connecting belt 322 is arranged at the root of the connection between the conical block 321 and the roller 32, so that the conical block 321 can freely tilt through the connecting belt 322, so that when the scraper 342 scrapes on the surface of the roller 32, the conical block 321 can be tilted towards the moving direction of the scraper 342, and the connecting belt 322 is deformed accordingly, reducing the wear of the hard contact between the conical block 321 and the scraper 342, and avoiding damage caused by collision of the conical block 321 or the scraper 342, further, when the conical block 321 is tilted towards the moving direction of the scraper 342, the impurities on the surface of the conical block 321 are more easily removed with the movement of the scraper 342, effectively improving the removal effect of the impurities.

[0029] Further, in the present embodiment, as shown in Figure 5As shown, the inner wall of the roller 32 is slidingly connected with a plurality of limiting rods 323 matched with the tapered blocks 321, the limiting rods 323 are respectively arranged in the roller 32, the connecting belt 322 and the tapered blocks 321, and the limiting rods 323 are connected with the roller 32 through the tension springs 324. The limiting rods 323 are hard metal rods, such as stainless steel rods, and the clamping grooves are arranged in the roller 32, the connecting belt 322 and the tapered blocks 321 and matched with the limiting rods 323. The limiting rods 323 can be completely clamped in the clamping grooves. At this time, under the limiting action of the limiting rods 323, the roller 32 and the tapered blocks 321 are hard connected. In this case, the tapered blocks 321 cannot be freely inclined to cause the deformation of the connecting belt 322. Since the tapered blocks 321 are internally supported by the limiting rods 323 at this time, the penetration position and hardness of the tapered blocks 321 are maintained, the tapered blocks 321 can penetrate into the sludge and penetrate into the surface of the sundries in the sludge, and the interception and capture effect of the sundries is improved.

[0030] In one embodiment, the surface of the positioning shaft 31 is provided with a groove 311 matched with the limiting rod 323, the groove 311 is arranged at a position corresponding to the scraper 342, the cross section of the positioning shaft 31 is circular as a whole, the groove 311 is concave at the arranged position, and the limiting rods 323 distributed in the roller 32 are abutted against the surface of the positioning shaft 31 at the position not matched with the groove 311 in the normal state and are pushed to be completely clamped in the clamping grooves in the connecting belt 322 and the tapered blocks 321 and stretch the tension springs 324. Since the positioning shaft 31 is not moved as a whole and only the roller 32 rotates on the surface thereof, when the roller 32 rotates to the position that the limiting rods 323 in the roller 32 move to the position of the groove 311, the limiting rods 323 are pulled out of the clamping grooves in the connecting belt 322 and the tapered blocks 321 under the rebound force of the tension springs 324, the limiting effect on the tapered blocks 321 is cancelled, the tapered blocks 321 can be freely inclined, and the groove 311 is arranged in the transverse movement range of the scraper 342. Therefore, the activity and rigidity of the tapered blocks 321 are flexibly switched through the cooperation of the groove 311 and the limiting rod 323, and the strip-shaped sundries is conveniently removed.

[0031] The surface of the roller 32 is sleeved with two auxiliary discs 33, which are fixedly connected with the adapter frame 3. When the roller 32 rotates, the auxiliary disc 33 and the adapter frame 3 do not rotate synchronously. The auxiliary disc 33 is hollow inside, used for storing the sundries scraped by the scraper 342 and cut. The surface of the auxiliary disc 33 is provided with a dust suction pipe 331 for sucking out sundries. The surface of the auxiliary disc 33 is also provided with a dust inlet 332 matched with the scraper 342. The size of the dust inlet 332 is equivalent to that of the scraper 342. When the scraper 342 moves transversely to scrape the sundries on the surface of the roller 32 to one side, the sundries on the surface of the scraper 342 will enter the auxiliary disc 33 through the dust inlet 332, and then the sundries will be sucked out through the dust suction pipe 331, realizing the transfer of the sundries. Since the sundries have been cut by the plurality of cutters 343, the dust suction pipe 331 can be prevented from being blocked.

[0032] Further, the dust suction pipes 331 on the surfaces of the two auxiliary discs 33 are connected with each other and connected with the sundry box 13. The sundry box 13 is provided with a dust suction pump connected with the dust suction pipe 331. The dust suction pump generates a suction effect to generate a negative pressure in the dust suction pipe 331, so as to suck the sundries in the auxiliary disc 33 into the dust suction pipe 331, and then into the sundry box 13 for separate storage, which reduces the subsequent sorting steps and improves the dredging effect.

[0033] In addition, a gas filtering device can be arranged in the sundry box 13. When the dust suction pipe 331 sucks the sundries, the harmful gases such as gas and hydrogen sulfide mixed in the sundries can be sucked into the sundry box 13 at the same time. The sundries and harmful gases are separately filtered by the gas filtering device, further reducing the harm of the sundries.

[0034] The connecting frame 23 is fixedly connected with the adapter frame 3. The surface of the connecting frame 23 is provided with a driving member 231 matched with the spiral blade 21. The driving member 231 includes a driving mode of a servo motor and a speed reducer. The servo motor is connected with the input end of the speed reducer through an output shaft, and the output end of the speed reducer is fixedly connected with the spiral blade 21 in the axial direction. When the servo motor outputs, the spiral blade 21 can be driven to rotate, so as to concentrate the sludge to the central position of the sludge collecting hopper 2.

[0035] The sludge collecting hopper 2 is connected with the sludge box 12 through a sludge conveying pipe 22. The two ends of the sludge conveying pipe 22 are fixedly connected with the sludge collecting hopper 2 and the sludge box 12, and the three are connected with each other. The connection position of the sludge conveying pipe 22 and the sludge collecting hopper 2 is located at the center of the sludge collecting hopper 2, which is convenient for sucking the sludge concentrated by the spiral blade 21 to the center of the sludge collecting hopper 2. The sludge box 12 is provided with a sludge suction pump connected with the sludge conveying pipe 22. The sludge suction pump generates a suction force to suck the sludge at the center of the sludge collecting hopper 2 into the sludge box 12 for storage.

[0036] The content not described in detail in the specification belongs to the prior art known to those skilled in the art, although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An underground water tank desilting device based on a deep coal mine, comprising a frame (1), walking crawlers (11) arranged on both sides of the frame (1), and a sludge box (12) and a debris box (13) located on the top of the frame (1), characterized in that: It also includes a collection assembly for collecting sludge in the water tank, the collection assembly including a dirt collecting hopper (2) arranged on the surface of the frame (1), and a spiral blade (21) rotating in the dirt collecting hopper (2); An interception assembly is arranged on a side of the dirt collecting hopper (2) away from the frame (1), the interception assembly comprises a roller (32), a surface of the roller (32) is provided with a plurality of conical blocks (321), a positioning shaft (31) is passed through the roller (32), both ends of the positioning shaft (31) are fixedly connected to a connecting frame (3), the connecting frame (3) is connected to the dirt collecting hopper (2) via a connecting assembly, and when the roller (32) rolls on the sludge surface, the conical blocks (321) penetrate into the debris and hang the debris on its surface; The scraper assembly is arranged on the surface of the connecting frame (3) and the roller (32) and is used to remove debris hanging on the surface of the conical block (321).

2. The underground water tank desilting equipment based on deep coal mine according to claim 1 is characterized by: The scraper assembly comprises a drive motor (34) fixedly connected to the surface of one of the connecting frames (3); a screw (341) is fixedly connected to the output end of the drive motor (34); and a scraper (342) adapted to the roller (32) is threadedly connected to the surface of the screw (341).

3. The underground water tank desilting equipment based on deep coal mine according to claim 2 is characterized in that: A plurality of cutters (343) are provided on both sides of the scraper (342).

4. The underground water tank desilting equipment for deep coal mines according to any one of claims 1 to 3, characterized in that: It also includes an auxiliary component, which includes a connecting belt (322). The conical block (321) is connected to the roller (32) via the connecting belt (322), and the connecting belt (322) is a flexible belt.

5. The underground water tank desilting equipment based on deep coal mine according to claim 4 is characterized in that: The inner wall of the roller (32) is slidably connected to a plurality of limiting rods (323) adapted to the tapered block (321); the limiting rods (323) are respectively arranged in the roller (32), the connecting belt (322) and the tapered block (321); and the limiting rods (323) are connected to the roller (32) via tension springs (324).

6. The underground water tank desilting equipment for deep coal mines according to claim 5, characterized in that: A groove (311) adapted to the limiting rod (323) is provided on the surface of the positioning shaft (31), and the position of the groove (311) corresponds to the scraper (342).

7. The underground water tank desilting equipment for deep coal mines according to claim 2, characterized in that: Two auxiliary discs (33) are sleeved on the surface of the roller (32), and the auxiliary discs (33) are fixedly connected to the connecting frame (3). A dust suction pipe (331) for sucking out impurities is provided on the surface of the auxiliary disc (33), and a dust inlet (332) adapted to the scraper (342) is also provided on the surface of the auxiliary disc (33).

8. The underground water tank desilting equipment for deep coal mines according to claim 7, characterized in that: The dust suction pipes (331) on the surfaces of the two auxiliary plates (33) are connected to each other and then to the debris box (13). A dust suction pump connected to the dust suction pipes (331) is provided in the debris box (13).

9. The underground water tank desilting equipment for deep coal mines according to claim 1, characterized in that: Connecting frames (23) are fixedly connected to both sides of the dirt collecting hopper (2), the connecting frames (23) are fixedly connected to the connecting frames (3), and a driving member (231) adapted to the spiral blade (21) is mounted on the surface of the connecting frame (23).

10. The underground water tank desilting equipment based on deep coal mine according to claim 1, characterized in that: The sewage collecting hopper (2) is connected to the sludge box (12) via a sewage delivery pipe (22), and a sewage suction pump connected to the sewage delivery pipe (22) is provided in the sludge box (12).

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