Multi-stage belt coal slime cleaning mechanism

Abstract

The utility model discloses a multi-stage belt coal slime cleaning mechanism, which belongs to the technical field of belt cleaning and comprises a machine frame, and a conveying belt for circulating conveying runs in the machine frame. A positioning frame located at the bottom of the conveying belt is installed below the machine frame, a plurality of sets of cleaning bases are installed in the positioning frame, and a cleaning scraper is fixed to the front end of each set of cleaning bases. The distances from the cleaning scrapers to the lower layer surface of the conveying belt are gradually reduced in the conveying direction of the conveying belt; and each group of cleaning scrapers is provided with a plurality of heat dissipation grooves which are distributed along the length of the cleaning scrapers in a linear array manner. According to the multi-stage type belt coal slime cleaning mechanism, the multiple sets of cleaning scrapers are installed, coal slime bonded to the conveying belt is thoroughly removed in a gradual coal slime cleaning mode, and due to the fact that the thickness of the coal slime scraped by each set of cleaning scrapers is small, the phenomenon that the conveying belt is clamped in the cleaning process is avoided; therefore, the influence on the operation of the conveyor belt is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a belt cleaning technical field, concretely is a multistage formula belt slime cleaning mechanism. BACKGROUND

[0002] In the coal mining process, because the underground water is more, the mined coal is infiltrated by water when primary crushing, which also causes the generation of slime. The slime is mainly composed of the sticky material of granular coal, pulverized bone stone and water. In the mining process, the coal is mainly transported through the belt conveyor, because the coal is mixed with the slime, when the coal falls at the tail end of the belt conveyor, the slime still adheres to the conveyor belt, which causes the transmission efficiency of the conveyor belt to decrease.

[0003] At present, the cleaning mechanism for the slime mainly sets a group of scrapers, the scraper is set close to the bottom of the lower layer of the conveyor belt, when the slime passes, the scraper can clean the slime at one time. However, when the slime is thick, the resistance of the scraper in cleaning the slime is very large, in the instant of scraping the mud, the conveyor belt may appear the phenomenon of "belt jam", the frequent "belt jam" can cause great influence on the operation of the conveyor belt. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a multistage formula belt slime cleaning mechanism, the multistage formula belt slime cleaning mechanism can completely clean the slime adhered to the conveyor belt through the gradual cleaning of the slime by installing a plurality of cleaning scrapers, because the thickness of the slime scraped by each cleaning scraper is small, the cleaning scraper can not cause the phenomenon of "belt jam" of the transmission belt, thereby reducing the influence on the operation of the conveyor belt.

[0005] The technical scheme of the utility model is realized as follows:

[0006] A multistage formula belt slime cleaning mechanism, comprising a machine frame, a circulating conveying conveyor belt is arranged in the machine frame;

[0007] A positioning frame is arranged at the bottom of the conveyor belt, a plurality of cleaning seats are arranged in the positioning frame, and a cleaning scraper is arranged at the front end of each cleaning seat;

[0008] All the cleaning scrapers are arranged in sequence and the distance from the cleaning scrapers to the surface of the lower layer of the conveyor belt is gradually reduced along the conveying direction of the conveyor belt;

[0009] A plurality of heat dissipation grooves are arranged on each cleaning scraper and arranged linearly along the length of the cleaning scraper.

[0010] With the above scheme, the multi-stage belt slime cleaning mechanism can completely remove the slime adhered to the conveying belt by gradually cleaning the slime through the installation of multiple sets of cleaning scrapers. Since the thickness of the slime removed by each set of cleaning scrapers is small, the cleaning scrapers will not cause the phenomenon of "belt jamming" during cleaning, thereby reducing the impact on the operation of the conveying belt.

[0011] As a preferred embodiment of the multi-stage belt slime cleaning mechanism, the height difference between each adjacent two sets of cleaning scrapers is equal, and the difference is 5-10 mm.

[0012] With the above scheme, in order to control the small thickness of the slime scraped by the cleaning scraper in a single scraping, the height difference between each adjacent two sets of cleaning scrapers is set to be less than 10 mm. At this time, the cleaning scraper will not cause the phenomenon of "belt jamming" during scraping.

[0013] As a preferred embodiment of the multi-stage belt slime cleaning mechanism, the upper surface of the cleaning scraper is provided with an obliquely arranged blade.

[0014] With the above scheme, in order to improve the scraping effect of the cleaning scraper, the cleaning scraper is sharpened, thereby facilitating the scraping of the slime.

[0015] As a preferred embodiment of the multi-stage belt slime cleaning mechanism, the heat dissipation groove is located on the blade of the cleaning scraper, and the length of the heat dissipation groove is 1 / 3-1 / 2 of the width of the blade of the cleaning scraper.

[0016] With the above scheme, since the cleaning scraper will generate heat due to friction during frequent scraping, in order to improve the heat dissipation effect, the heat dissipation groove is arranged on the blade of the cleaning scraper, and the length of the heat dissipation groove is not too large. It can not only ensure the rapid heat dissipation of the cleaning scraper, but also ensure the scraping effect.

[0017] As a preferred embodiment of the multi-stage belt slime cleaning mechanism, the rear end of the positioning frame is fixed with a guide rod, the guide rod is slidingly installed on a reference seat fixed on the inner side wall of the positioning frame, and a spring is sleeved on the guide rod.

[0018] The spring includes spring one and spring two, and the spring one and the spring two are located on the two sides of the reference seat, respectively.

[0019] With the above scheme, in order to avoid the accumulation of slime on the cleaning scraper, the cleaning scraper will compress the spring during scraping. After the slime falls, the cleaning scraper can shake off the slime accumulated on the cleaning scraper by pushing the spring one and the spring two several times.

[0020] As a preferred embodiment of the multi-stage belt slime cleaning mechanism, multiple linearly arrayed and rollable guide rollers are installed at the rear end of each cleaning seat.

[0021] The upper surface of the guide roller is flush with the upper surface of the cleaning blade.

[0022] By the above scheme, in order to reduce the friction between the non-blade part of the cleaning blade and the un-fallen coal slime, the guide roller capable of rolling is installed at the rear end of the cleaning blade, at this time, the friction force of the un-fallen coal slime when contacting the guide roller is small, so as to reduce the influence on the operation of the conveying belt.

[0023] After the above technical scheme is adopted, the beneficial effects of the utility model are:

[0024] 1. The multi-stage belt coal slime cleaning mechanism completely removes the coal slime adhered to the conveying belt by gradually cleaning the coal slime through the installation of multiple sets of cleaning blades, and since the thickness of the coal slime removed by each set of cleaning blade is small, the cleaning blade will not cause the "belt jamming" phenomenon of the conveying belt, thereby reducing the influence on the operation of the conveying belt.

[0025] 2. In order to control the small thickness of the coal slime removed by the cleaning blade at a time, the height difference between each adjacent two sets of cleaning blades is set to be less than or equal to 10mm, at this time, the cleaning blade will not cause the "belt jamming" phenomenon of the conveying belt when removing the coal slime.

[0026] 3. Since the cleaning blade will generate heat due to friction when frequently removing the coal slime, in order to improve the heat dissipation effect, the heat dissipation groove is arranged on the blade edge, and the length of the heat dissipation groove is not too large, which can ensure the rapid heat dissipation of the cleaning blade and the coal slime removal effect.

[0027] 4. In order to avoid the accumulation of coal slime on the cleaning blade, the cleaning blade will compress the spring when removing the coal slime, and after the coal slime falls, the cleaning blade will push the spring 1 and the spring 2 several times, so as to shake off the coal slime accumulated on the cleaning blade.

[0028] 5. In order to reduce the friction between the non-blade part of the cleaning blade and the un-fallen coal slime, the guide roller capable of rolling is installed at the rear end of the cleaning blade, at this time, the friction force of the un-fallen coal slime when contacting the guide roller is small, so as to reduce the influence on the operation of the conveying belt. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor intensity.

[0030] Figure 1 It is a three-dimensional structure diagram of the utility model in application;

[0031] Figure 2 for showing Figure 1 the internal structure;

[0032] Figure 3 for showing

[0033] Figure 4 for Figure 3 the internal structure of the single cleaning scraper;

[0034] Figure 5 for showing Figure 4 the internal structure.

[0035] Marked in the figure: 1 - machine frame; 2 - conveying belt; 3 - positioning frame; 4 - cleaning seat; 5 - cleaning scraper; 6 - heat dissipation groove; 7 - guide rod; 8 - reference seat; 9 - spring; 10 - guide roller. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0037] As Figures 1 to 5 shown, a multi-stage belt slime cleaning mechanism, comprising a machine frame 1, the inside of the machine frame 1 runs with circulating conveying conveying belt 2; the lower part of the machine frame 1 is installed with positioning frame 3 at the bottom of the conveying belt 2 through screws, the inside of the positioning frame 3 is installed with multiple cleaning seats 4, wherein Figure 3 there are three groups of cleaning seats 4, the front end of each cleaning seat 4 is welded and fixed with cleaning scraper 5; all cleaning scrapers 5 are arranged in sequence and the distance from the surface of the lower layer of the conveying belt 2 along the conveying direction of the conveying belt 2 is getting smaller and smaller; multiple heat dissipation grooves 6 are arranged linearly along the length of each cleaning scraper 5. The multi-stage belt slime cleaning mechanism is installed with multiple cleaning scrapers 5, which completely removes the slime adhered to the conveying belt 2 by gradually cleaning the slime. Since the thickness of the slime removed by each cleaning scraper 5 is small, the phenomenon of "belt jamming" of the transmission belt will not occur during cleaning, thereby reducing the impact on the operation of the conveying belt 2.

[0038] As Figure 2 shown, the height difference of each adjacent two groups of cleaning scrapers 5 is equal, and the difference is 5-10mm. In order to control the thickness of the single mud scraping of the cleaning scraper 5, the height difference of each adjacent two groups of cleaning scrapers 5 is set to be less than 10mm, so that the cleaning scraper 5 will not cause the phenomenon of "belt jamming" of the transmission belt when scraping mud.

[0039] As Figure 4 shown, the upper surface of the cleaning scraper 5 is provided with an obliquely arranged blade. In order to improve the mud scraping effect of the cleaning scraper 5, the blade is sharpened, thereby facilitating the scraping of the coal mud.

[0040] As Figures 4 to 5 shown, the heat dissipation groove 6 is located on the blade of the cleaning scraper 5, and the length of the heat dissipation groove 6 is 1 / 3-1 / 2 of the width of the blade of the cleaning scraper 5. Since the cleaning scraper 5 will generate heat due to friction when frequently scraping mud, in order to improve the heat dissipation effect, the heat dissipation groove 6 is arranged on the blade, and the length of the heat dissipation groove 6 is not too large, which can ensure rapid heat dissipation of the cleaning scraper 5 and also ensure the mud scraping effect.

[0041] As Figure 5 shown, the rear end of the positioning frame 3 is welded and fixed with a guide rod 7, the guide rod 7 is slidingly installed on a reference seat 8 welded on the inner side wall of the positioning frame 3, and a spring 9 is sleeved on the guide rod 7; wherein the spring 9 includes spring 9 one and spring 9 two, and the spring 9 one and the spring 9 two are located on both sides of the reference seat 8. In order to avoid the accumulation of coal mud on the cleaning scraper 5, the cleaning scraper 5 will compress the spring 9 when scraping mud, and after the coal mud falls, the cleaning scraper 5 will vibrate the coal mud accumulated on the cleaning scraper 5 several times by the mutual pushing of the spring 9 one and the spring 9 two.

[0042] As Figure 5 shown, a plurality of linearly arrayed and rollable guide rollers 10 are installed at the rear end of each cleaning seat 4; wherein the upper surface of the guide roller 10 is flush with the upper surface of the cleaning scraper 5. In order to reduce the friction between the non-blade part of the cleaning scraper 5 and the un-fallen coal mud, the rollable guide roller 10 is installed at the rear end of the cleaning scraper 5, and at this time the friction force of the un-fallen coal mud when contacting the guide roller 10 will be smaller, so as to reduce the influence on the operation of the conveying belt 2.

[0043] The working principle of the utility model is as follows:

[0044] Before application, the positioning frame 3 is installed on the machine frame 1 located at the bottom of the conveying belt 2 through screws; wherein the cleaning scraper 5 is provided with three groups, the three groups of cleaning scrapers 5 are arranged in sequence and the distance from the conveying belt 2 to the lower surface of the conveying belt 2 along the conveying direction of the conveying belt 2 is smaller and smaller, as Figure 2 shown; wherein the height difference of each adjacent two groups of cleaning scrapers 5 is equal, and the difference is 5-10mm.

[0045] In application, the conveyor belt 2 normally conveys coal when running, and coal slime will still adhere to the conveyor belt 2 after the coal falls at the tail end of the belt conveyor because the coal is mixed with the coal slime; the coal slime is completely removed by the cleaning scraper 5 through the way of gradually cleaning the coal slime, and the cleaning scraper 5 will not cause the phenomenon of "belt jamming" when cleaning because the thickness of the coal slime removed by each group of the cleaning scraper 5 is small, thereby reducing the influence on the running of the conveyor belt 2.

[0046] When the cleaning scraper 5 removes the coal slime, the cleaning scraper 5 will compress the spring 9, and the coal slime accumulated on the cleaning scraper 5 can be shaken off after the coal slime falls after the cleaning scraper 5 is pushed by the spring 9 and the spring 9 twice.

[0047] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A multi-stage belt slime cleaning mechanism, comprising a machine frame (1), wherein a circulating conveying conveyor belt (2) is arranged to run inside the machine frame (1); a positioning frame (3) is arranged below the machine frame (1) and located at the bottom of the conveyor belt (2), a plurality of cleaning seats (4) are arranged inside the positioning frame (3), and a cleaning scraper (5) is fixed at the front end of each cleaning seat (4); all the cleaning scrapers (5) are arranged in sequence and the distance from the cleaning scrapers (5) to the lower surface of the conveyor belt (2) along the conveying direction of the conveyor belt (2) is gradually reduced; a plurality of heat dissipation grooves (6) are arranged linearly along the length of each cleaning scraper (5). characterized in that The height difference between every two adjacent cleaning scrapers (5) is equal, and the difference is 5-10 mm. An upper surface of the cleaning scraper (5) is provided with an obliquely arranged blade. The heat dissipation groove (6) is located on the blade of the cleaning scraper (5), and the length of the heat dissipation groove (6) is 1 / 3-1 / 2 of the width of the blade of the cleaning scraper (5).

2. The multi-stage belt slime cleaning mechanism according to claim 1, characterized in that: A guide rod (7) is fixed at the rear end of the positioning frame (3), the guide rod (7) is slidingly arranged on a reference seat (8) fixed to the inner side wall of the positioning frame (3), and a spring (9) is sleeved on the guide rod (7).

3. The multi-stage belt slime cleaning mechanism according to claim 2, characterized in that: The spring (9) comprises a spring (9) one and a spring (9) two, wherein the spring (9) one and the spring (9) two are respectively located on both sides of the reference seat (8).

4. The multi-stage belt slime cleaning mechanism according to claim 3, characterized in that: A plurality of linearly arranged guide rollers (10) capable of rolling are arranged at the rear end of each cleaning seat (4).

5. The multi-stage belt slime cleaning mechanism according to claim 4, characterized in that: An upper surface of the guide roller (10) is flush with an upper surface of the cleaning scraper (5).

6. The multi-stage belt slime cleaning mechanism according to claim 5, characterized in that: ​ 7. The multi-stage belt slime cleaning mechanism according to any one of claims 1-6, characterized in that: ​ 8. The multi-stage belt slime cleaning mechanism according to claim 7, characterized in that: ​

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