CN212245093U - Telescopic belt conveyor for coal mine - Google Patents

Abstract

The utility model provides a flexible belt feeder for coal mine, including belt and frame, the belt includes upper band face and lower band face, be provided with the transfer roller along the fore-and-aft direction between upper band face and the lower band face, still include cleaning device, cleaning device includes the fixed block, a spring, fixed plate and scraper blade, wherein be provided with the slot hole on the fixed plate, the vertical setting of fore-and-aft direction is followed to the scraper blade, the slot hole on two fixed plates around the tip at both ends passes respectively around the scraper blade, the upper end of scraper blade is provided with bellying and lower band face contact setting, the lower band face of belt is located between bellying and the transfer roller, the fixed vertical setting of fixed block is on the lateral surface of fixed plate and the top that the fixed block is located the slot hole, the upper end and. In a word, the utility model discloses can in time clear up the area face of flexible belt feeder belt, reduce the wearing and tearing between follow-up area face and the band pulley, prevent that belt transport mechanism from taking place the card because of the debris on the area face is too much to be dead.

Description

Telescopic belt conveyor for coal mine

Technical Field

The utility model relates to a coal mining field, concretely relates to flexible belt feeder is used in colliery.

Background

In the underground coal mining, because the coal mine output is gradually increased, an underground mining system starts to adopt an excavator for mining, and then a telescopic belt conveyor and a reversed loader are matched for lapping and conveying the coal mine, the conventional telescopic belt conveyor generally adopts a power device to drive a belt on a rack to convey the coal mine, although the telescopic belt conveyor can convey the coal mine remotely, the labor intensity of workers is reduced, the conveying efficiency is improved, but in the long-time operation process, sundries such as coal cinder and the like can be adhered and remained on the belt surface of the telescopic belt conveyor, if the sundries are not cleaned in time, the abrasion between the belt surface and a belt wheel can be increased in the belt transmission process, the service life of the belt and a transmission roller is influenced, and the condition that a belt conveying mechanism is blocked can be possibly caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a colliery is with flexible belt feeder, aim at: the belt surface of the belt of the telescopic belt conveyor is cleaned in time, abrasion between the subsequent belt surface and the belt wheel is reduced, and the belt conveying mechanism is prevented from being blocked due to excessive sundries on the belt surface.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a coal mine telescopic belt conveyor comprises a belt and a frame, wherein the belt is rotatably arranged on the frame in the left-right direction and comprises an upper belt surface and a lower belt surface, conveying rollers are arranged between the upper belt surface and the lower belt surface in the front-back direction, the front end and the rear end of each conveying roller are fixedly connected with the frame, the plurality of conveying rollers are arranged at intervals in the left-right direction, and the inner surface of the lower belt surface is in contact with the roller surfaces of the conveying rollers; also comprises a plurality of cleaning devices which are arranged at intervals along the left and right direction and are arranged corresponding to the conveying rollers one by one, the cleaning devices comprise fixed blocks, springs, fixed plates and scraping plates, wherein the fixed outside that sets up in the frame of fixed plate and fixed plate respectively set up one in the front and back both sides of frame, be provided with the slot hole along vertical direction on the fixed plate, the vertical setting of front and back direction is followed to the scraper blade in the below of lower band face, the tip at both ends passes the slot hole on two fixed plates around the scraper blade respectively, the upper end of scraper blade is provided with bellying and lower band face contact setting, the lower band face of belt is located between bellying and the transfer roller, the fixed vertical setting of fixed block is on the lateral surface of fixed plate and the fixed block is located the top of slot hole, the spring is in tensile state, the upper end and the fixed block of spring are connected the setting, the lower extreme.

Preferably, the upper end of the protruding part is fixedly provided with bristles, the bristles are symmetrically arranged in the front-back direction relative to the lower belt surface, the width of the bristles in the front-back direction is larger than that of the belt in the front-back direction, and the lower belt surface of the belt is in contact with the end parts of the upper ends of the bristles.

Preferably, the upper end of the projection is provided with a chamfer angle, and the end part of the chamfer angle is in surface contact with the lower belt.

Preferably, a collection box is arranged below the scraper.

Preferably, the axis of the conveying roller is positioned on the symmetrical surfaces of the left side surface and the right side surface of the scraper, and the spring is arranged along the radial direction of the conveying roller.

Compared with the prior art, the beneficial effects of the utility model are that: when a belt conveys a coal mine, the spring pulls the scraper upwards to move, so that the protruding part of the scraper is always in contact with the lower belt surface, the protruding part on the scraper can scrape sundries on the lower belt surface, timely cleaning of the sundries is realized, abrasion between the subsequent belt surface of the belt and the belt wheel is reduced, the service lives of the belt and a transmission roller are ensured, and the belt conveying mechanism is prevented from being stuck by the sundries on the belt surface; the brush hair can better clean sundries on the belt surface of the belt and has better cleaning effect; the upper end of the protruding portion is set to be the chamfer angle, so that the friction between the upper end of the protruding portion and the belt surface of the belt can be reduced while the cleaning effect is guaranteed, and the abrasion of the belt surface is reduced. In a word, the utility model discloses can in time clear up the area face of flexible belt feeder belt, reduce the wearing and tearing between follow-up area face and the band pulley, prevent that belt transport mechanism from taking place the card because of the debris on the area face is too much to be dead.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a side view of FIG. 1;

fig. 4 is a partially enlarged view of a portion B in fig. 3.

In the figure: 10. the cleaning device comprises a belt, 20, a frame, 30, a conveying roller, 40, a cleaning device, 401, a fixed block, 402, a spring, 403, a long hole, 404, a fixed plate, 405, a scraper blade, 406, bristles, 50 and a collecting box.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Example (b): as shown in fig. 1 to 4, the utility model provides a coal mine telescopic belt conveyor, including belt 10 and frame 20, belt 10 rotates along left and right direction and sets up on frame 20, and the structure of belt 10 and frame 20, the relation of connection are ripe prior art, and therefore do not describe herein any more, and belt 10 includes upper band face and lower band face, is provided with transfer roller 30 along the fore-and-aft direction between upper band face and the lower band face, and both ends all are connected with frame 20 fixed connection around transfer roller 30, and transfer roller 30 sets up a plurality ofly along left and right direction interval, and the internal surface of lower band face sets up with the roll surface contact of transfer roller 30; the cleaning device 40 is arranged at intervals along the left-right direction, the cleaning device 40 and the conveying roller 30 are arranged in a one-to-one correspondence mode, the cleaning device 40 comprises a fixing block 401, a spring 402, a fixing plate 404 and a scraper 405, wherein the fixing plate 404 is fixedly arranged on the outer side of the frame 20, the fixing plate 404 is respectively arranged on the front side and the rear side of the frame 20, a long hole 403 along the vertical direction is formed in the fixing plate 404, the scraper 405 is vertically arranged below the lower belt surface along the front-rear direction, the end portions of the front end and the rear end of the scraper 405 respectively penetrate through the long holes 403 in the front fixing plate 404 and the rear fixing plate 404, a protruding portion is arranged at the upper end of the scraper 405 and is in contact with the lower surface of the lower belt surface, the lower belt surface of the belt 10 is positioned between the protruding portion and the conveying roller 30, the fixing block 401 is fixedly and, the upper end of the spring 402 is connected with the fixed block 401, and the lower end of the spring 402 is connected with the end of the scraper 405.

In order to achieve a better cleaning effect on the belt 10, the upper end of the protrusion is fixedly provided with the bristles 406, the bristles 406 are symmetrically arranged in the front-back direction relative to the lower belt surface, the width of the bristles 406 in the front-back direction is larger than that of the belt 10 in the front-back direction, the lower surface of the lower belt surface of the belt 10 is in contact with the end part of the upper end of the bristles 406, and the bristles 406 can better brush off impurities on the lower surface of the lower belt surface in the running process of the belt 10, so that the belt 10 has a better cleaning effect.

In order to reduce the friction between the raised portion on the scraper 405 and the lower belt surface, the upper end of the raised portion is set to be a chamfer angle, and the end of the chamfer angle is in contact with the lower belt surface, so that the contact area is reduced, and the abrasion of the belt 10 is reduced.

Further, a collecting box 50 is disposed below the scraper 405 for collecting the impurities scraped by the scraper 405.

Further, the axis of transfer roller 30 is located the symmetry plane of the left and right sides face of scraper blade 405, and spring 402 sets up along the radial of transfer roller 30, because scraper blade 405 sets up along the fore-and-aft direction is vertical, and aforementioned structure can make when spring 402 stretches scraper blade 405, and the power that scraper blade 405 received is along the radial of transfer roller 30 to it is inseparabler to guarantee that the upper end of scraper blade 405 and the lower contact of taking of belt 10.

The utility model provides a pair of coal mine is with flexible belt feeder, in the in-service use process, when belt 10 transports the colliery, when debris appear on the area face of belt 10, because spring 402 is in tensile state, spring 402 can upwards pull the both ends that promote scraper blade 405, make scraper blade 405 along slot hole 403 rebound, guarantee the bellying on the scraper blade 405 all the time with the lower area face contact of belt 10, thereby can be on belt 10 debris rotate to belt 10's lower area face along with belt 10 on the time, make scraper blade 405 scrape down the debris on the lower area face, realize the timely clearance to debris, reduce the wearing and tearing between follow-up belt area and the band pulley, guarantee the life of belt and driving roller, prevent that belt transport mechanism from blocking because of the debris on the area face. In a word, the utility model discloses can in time clear up the area face of flexible belt feeder belt, reduce the wearing and tearing between follow-up area face and the band pulley, prevent that belt transport mechanism from taking place the card because of the debris on the area face is too much to be dead.

The principle and the embodiment of the present invention have been explained by using specific examples, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention, it should be pointed out that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and these modifications and modifications also fall into the protection scope of the claims of the present invention.

Claims (5)

1. The utility model provides a flexible belt feeder for coal mine which characterized in that: the belt conveying device comprises a belt (10) and a rack (20), wherein the belt (10) is rotatably arranged on the rack (20) along the left and right directions, the belt (10) comprises an upper belt surface and a lower belt surface, conveying rollers (30) are arranged between the upper belt surface and the lower belt surface along the front and back directions, the front end and the back end of each conveying roller (30) are fixedly connected with the rack (20), the conveying rollers (30) are arranged at intervals along the left and right directions, and the inner surface of the lower belt surface is in contact with the roller surfaces of the conveying rollers (30); the cleaning device comprises a frame (20), and is characterized by further comprising a cleaning device (40), wherein the cleaning device (40) is arranged at intervals in the left-right direction, the cleaning device (40) and the conveying rollers (30) are arranged in a one-to-one correspondence mode, the cleaning device (40) comprises fixing blocks (401), springs (402), fixing plates (404) and scraping plates (405), the fixing plates (404) are fixedly arranged on the outer side of the frame (20), the fixing plates (404) are respectively arranged on the front side and the rear side of the frame (20), long holes (403) in the vertical direction are formed in the fixing plates (404), the scraping plates (405) are vertically arranged below the lower belt surface in the front-rear direction, the end portions of the front end and the rear end portions of the scraping plates (405) respectively penetrate through the long holes (403) in the front fixing plate (404) and the rear fixing plate, a protruding portion is arranged at the upper end of the scraping plates (405, the fixed vertical setting of fixed block (401) is on the lateral surface of fixed plate (404) and fixed block (401) are located the top of slot hole (403), and spring (402) are in tensile state, and the upper end and the fixed block (401) of spring (402) are connected the setting, and the lower extreme of spring (402) and the end connection setting of scraper blade (405).

2. The coal mine telescopic belt conveyor of claim 1, wherein: the upper end of the protruding portion is fixedly provided with bristles (406), the bristles (406) are symmetrically arranged on the front and back direction relative to the lower belt surface, the width of the bristles (406) in the front and back direction is larger than that of the belt (10), and the lower belt surface of the belt (10) is in contact with the end portion of the upper end of the bristles (406).

3. The coal mine telescopic belt conveyor of claim 1, wherein: the upper end of the protruding portion is arranged to be a bevel angle, and the end portion of the bevel angle is in surface contact with the lower belt.

4. The coal mine telescopic belt conveyor of claim 1, wherein: and a collecting box (50) is arranged below the scraper (405).

5. The coal mine telescopic belt conveyor of claim 1, wherein: the axis of the conveying roller (30) is positioned on the symmetrical surfaces of the left side surface and the right side surface of the scraping plate (405), and the spring (402) is arranged along the radial direction of the conveying roller (30).

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