CN214140336U - Belt cleaning device and alcoholysis machine - Google Patents

Abstract

The utility model relates to a belt cleaning device and alcoholysis machine, belt cleaning device include supporting rack (1), set up counterweight assembly (2) and the setting of supporting rack (1) one end are in scraping material subassembly (3) of the supporting rack (1) other end. The utility model provides a supporting rack both ends can form balancedly, consequently can be adjusted to and form the clearance between scraper blade and belt when using to avoid taking place wearing and tearing when the belt idle running.

Description

Belt cleaning device and alcoholysis machine

Technical Field

The utility model relates to a scrape the material field, especially relate to a belt cleaning device and alcoholysis machine.

Background

The alcoholysis machine is automatic production equipment for generating polyvinyl alcohol through alcoholysis, a driving motor is mainly used for driving a speed reducer, the speed reducer is transmitted to a belt roller through a coupler torsion to drive the roller to convey an acid-alkali-resistant high-tension belt to work, a conveyor belt is transmitted through a fixed carrier roller and an automatic aligning carrier wheel, and the belt has enough driving capacity. The feeding device assists in deblocking the colloidal alcohol to enter the pulverizer, the ejection material is viscous resin (polyethylene glycol resin) in the conveying process, and combustible gases such as methanol and methyl ester exist in the alcoholysis reaction process. In the process of reaction on the acid and alkali resistant belt, crusting (sticky resin crusting) and caking (unfused resin block) are easy to generate and are easy to adhere to the carrier roller and the baffle roller, and long-term adhesion and hardening can cause the belt to be worn and pulled apart, thereby influencing the service life of the belt. If regularly clear up, firstly the clearance degree of difficulty is big, secondly causes the parking, influences production and benefit, causes easily when the most main clearance to contact the spark and has the safety risk. Therefore, the design of the automatic adjustable scraping device is imperative, the effects of scraping materials to protect the belt and prolong the service life of the belt can be achieved, the operation rate of equipment can be improved, and the purposes of increasing yield and increasing efficiency are achieved.

Patent CN209411100U discloses a scraper sweeper, in which a main frame is hinged on a fixed frame, two ends of the main frame form two force arms similar to a lever, and a scraper and a counterweight are respectively arranged. However, the lever formed by the main frame in this patent is not balanced at both ends, but the moment of the weight end is intentionally set to be larger than that of the scraper end, so that the scraper is closely attached to the belt to increase the cleaning efficiency. It is conceivable that this design method still leaves the scraper in contact with the belt as it idles, which can severely wear the belt if used for a long period of time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a belt cleaning device of scraper blade and belt contactless when the belt idles.

In order to achieve the purpose, the utility model provides a belt cleaning device, be in including supporting rack, setting the counter weight component and the setting of supporting rack one end are in the material subassembly of scraping of the supporting rack other end.

According to an aspect of the utility model, scrape the material subassembly and include the support and set up scraper blade on the support.

According to an aspect of the utility model, still including setting up mounting panel on the supporting rack, the interval sets up at least one on the mounting panel and is used for the installation scrape the mounting hole of material subassembly.

According to an aspect of the utility model, still including being used for the adjustment the support with the backing plate of contained angle between the mounting panel.

According to an aspect of the utility model, the scraper blade with the rotatable connection of support, the support is fixed on the mounting panel.

According to an aspect of the utility model, the scraper blade with support fixed connection, the rotatable connection of support is in on the mounting panel.

According to an aspect of the utility model, the scraper blade is close to the one end both sides of mounting panel are equipped with towards the baffle that counterweight assembly's direction extends.

According to an aspect of the invention, the supporting bracket comprises a scraping part for mounting the mounting plate and a counterweight part for mounting the counterweight assembly.

According to an aspect of the present invention, the weight portion and the scraping portion are rotatably connected or fixedly connected.

According to an aspect of the present invention, the included angle between the counterweight portion and the scraping portion is 135 ° to 180 °.

According to the utility model discloses an aspect, scrape the material portion installation the face of mounting panel is plane or cambered surface, the mounting panel is dull and stereotyped or arc.

According to an aspect of the utility model, still include the frame, with the rotatable connecting piece of being connected of supporting rack, both ends respectively with the frame with connecting piece fixed connection's spliced pole.

According to an aspect of the invention, the connecting piece both ends are connected two and are parallel to each other the supporting rack.

According to an aspect of the utility model, the counter weight subassembly is including setting up just be equipped with the whippletree and the rotatable setting of external screw thread on the supporting rack are in balance wheel on the whippletree.

According to an aspect of the utility model, the counter weight subassembly is still including fixed the setting the last counter weight wheel of whippletree.

According to an aspect of the present invention, the device further comprises a flow guide member.

According to an aspect of the utility model, the water conservancy diversion spare is long spill cell body.

According to an aspect of the utility model, water conservancy diversion spare one end with scraper blade fixed connection, the other end is fixed on the supporting rack.

According to the utility model discloses an aspect, belt cleaning device is used for the alcoholysis machine, the alcoholysis machine includes belt conveyor and is located belt conveyor's below belt cleaning device.

According to an aspect of the utility model, install in the alcoholysis machine supporting rack (1) is balanced the back, scraper blade (32) with there is 0.5 ~ 1.0 mm's clearance between the belt among the belt conveyors, scraper blade (32) with the contained angle of belt among the belt conveyors is 45 ~ 90.

According to an aspect of the utility model, the alcoholysis machine still includes tailwheel and/or front wheel, belt cleaning device installs tailwheel and/or front wheel.

According to the utility model discloses an aspect, belt cleaning device installs the position of skinning easily takes place for the material that belt conveyor carried.

According to the utility model discloses an aspect, work as belt cleaning device installs during the front wheel, scrape the material portion installation the face of mounting panel is the cambered surface, the mounting panel is the arc.

According to the utility model discloses a conceive, belt cleaning device is located belt conveyor below. The scraping component and the counterweight component are arranged at two ends of the supporting frame, so that the structure similar to a lever is formed. Therefore, the scraping end can automatically reset every time the scraper is pushed downwards by the caked or caked leather adhered on the belt. The automatic cleaning device has the advantages that the function of automatically cleaning the crusts or the blocks on the belt is formed, so that the problem of production interruption caused by the fact that the roller is bonded with resin is solved, the production efficiency is improved, and the problem that the service life of the belt is shortened due to the fact that the belt is abraded and pulled to be broken is solved. Meanwhile, the safety risk in material cleaning is reduced, the labor intensity is reduced, and the production efficiency, the product quality and the yield are improved. And through adjusting the contained angle of counter weight portion and scraping material portion or the loading quantity of the stabilizer wheel in the counter weight subassembly can make scraping material subassembly and counter weight subassembly form balancedly at the supporting rack both ends, like this with belt cleaning device install the back on belt conveyor, the scraper blade can form the clearance with the belt. Therefore, the scraper cannot contact with the belt when the belt idles, so that the belt is abraded, and the service life of the belt is further prolonged. The gap between the scraper and the belt in the belt conveying device is 0.5-1.0 mm, if the gap is larger than 1mm, the scraper and the belt are too far away, so that part of the material skin with a thin thickness can not be scraped by the scraper; and if the clearance is less than 0.5mm, the scraper still easily touches the belt during scraping, thereby causing the abrasion of the belt. In addition, the angle between the scraper and the belt in the belt conveying device is 45-90 degrees, and a good scraping effect can be ensured only when the angle is within the interval, wherein the angle is the best when the angle is 90 degrees.

According to the utility model discloses a scheme, the scraper blade is adjustable for the angle of belt. The specific adjusting mode can be that a base plate is additionally arranged between the support and the mounting plate so that the support is inclined, and the angle of the scraper is indirectly adjusted. The support and the scraper can be connected in a rotatable mode, or the support and the mounting plate can be connected in a rotatable mode, and the angle between the scraper and the belt can be adjusted. Of course, the included angle between the scraper and the belt can be adjusted to a certain degree by adjusting the moment of the counterweight end.

According to the utility model discloses a scheme, counter weight portion can be fixed connection with scraping material portion, perhaps also can be for rotationally connecting. The included angle between the two is designed in advance when the two are fixedly connected, but the structure is simpler in the mode. And the included angle can be adjusted at any time during the rotatable connection in actual use, thereby being convenient for leading the supporting rack to adapt to the installation space, and also being capable of adjusting the moment of the counterweight end, thereby being convenient for adjusting the balance of the supporting rack. And the included angle between the counterweight part and the scraping part is 135-180 degrees, if the included angle is smaller than 135 degrees, the force arm of the counterweight part is smaller, and a large number of balance wheels and counterweight wheels need to be loaded for counterweight, so that the waste of resources and the redundancy of components in the device are caused.

According to the utility model discloses a scheme, the counter weight wheel among the counter weight component is fixed on the whippletree, and the stabilizer wheel rotatably sets up on the whippletree. And after the installation, the balance wheel is located the outside of supporting rack, cooperates its rotatable characteristic like this to make the balance wheel make things convenient for the dismouting, is convenient for adjust the balance. And, can send the material that drops on it to in receiving the hopper in the same place through rotatory stabilizer wheel to avoid the material to pile up on it and change the weight of counter weight component, thereby influence the whole balance of supporting rack and normally scrape the material.

According to the utility model discloses a scheme sets up a shape and is the water conservancy diversion spare of long spill cell body, and supporting rack and scraper blade are connected respectively to water conservancy diversion spare both ends. Therefore, the materials scraped by the scraper can be guided into the receiving hopper, and the materials are prevented from being stuck on a bearing frame and other parts. Meanwhile, the baffle plates arranged on the two sides of the scraper can prevent materials scraped by the scraper from flowing away from the two sides of the scraper and being bonded on other parts.

According to the utility model discloses a scheme additionally sets up conveyor and reprocessing device, and conveyor can be screw conveyer, and the hopper is connect in its input connection, and reprocessing device is the rubbing crusher, sets up the output at screw conveyer. The material scraped by the scraper can be subjected to secondary treatment, so that waste is avoided.

According to the utility model discloses a scheme, the interval sets up a plurality of mounting holes that are used for the installation to scrape the material subassembly on the mounting panel. Therefore, the installation position can be selected according to the requirement, and the number of the scraping components can be set according to the requirement.

Drawings

Fig. 1 is a block diagram schematically showing a belt cleaning apparatus according to an embodiment of the present invention;

fig. 2 is a structural view schematically showing a weight assembly according to an embodiment of the present invention.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

In describing embodiments of the present invention, the terms "longitudinal," "lateral," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and other terms are used in an orientation or positional relationship shown in the associated drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, which are not repeated herein, but the present invention is not limited to the following embodiments.

Fig. 1 is a structural view schematically showing a belt cleaning apparatus according to an embodiment of the present invention. As shown in fig. 1, the belt cleaning device of the present invention comprises a support frame 1, a counterweight assembly 2, a scraping assembly 3, a mounting plate 4, a frame 5, a connecting column 6 and a connecting member 8. The counterweight assembly 2 and the scraping assembly 3 are respectively arranged at the left end and the right end of the supporting frame 1. And in the utility model, the supporting frame 1 is divided into a right scraping part 11 and a left counterweight part 12, and the scraping component 3 and the counterweight component 2 are respectively installed. As shown in fig. 1, the left counterweight part 12 is tilted upward to form an angle with the scraping part 11, and the angle is preferably between 135 ° and 180 °. This is designed to shorten the transverse dimension of the support frame 1 so that other components in the belt conveyor can be avoided during the actual installation. Therefore, the supporting frame 1 can be integrally machined or welded in a split mode, namely the counterweight part 12 and the scraping part 11 are fixedly connected, the structure is simple in the mode, and the included angle between the counterweight part and the scraping part needs to be designed according to the size of an installation space in advance. When the support frame 1 is a separate structure, the counterweight part 12 can be rotatably connected with the scraping part 11 through hinges or pins, and although the structure is complex, the structure can be adjusted freely according to the actual size during actual installation. In the utility model, the channel steel can be used as the supporting frame 1.

The utility model discloses in, frame 5, spliced pole 6 and connecting piece 8 are one set of subassembly that makes up and uses. The frame 5 is directly fixed on a belt bracket beam of the belt conveying device. The upper end of the connecting piece 8 is of a flat plate structure, the lower end of the connecting piece is provided with a cylindrical structure, and the top surface and the bottom surface of the cylindrical structure are respectively provided with a pin hole so as to be connected with the supporting frame 1. And the flat plate at the upper end of the connecting piece 8 is fixed on the frame 5 through a plurality of connecting columns 6, so that the whole belt cleaning device is fixed. The utility model discloses in, can use the channel-section steel as spliced pole 6. As shown in fig. 1, the support frame 1 is provided with a pin hole at a substantially central position, which corresponds to the pin holes at both ends of the cylindrical structure in the connecting member 8, so that the support frame 1 and the connecting member 8 can be rotatably coupled by means of a pin. And the utility model discloses in, a supporting rack 1 is respectively connected at the cylinder type structure both ends in the connecting piece 8, and this kind of mode makes whole device dismantle comparatively convenient to low cost.

Referring to fig. 1, the mounting plate 4 of the present invention is disposed across the scraping portions 11 of the two support frames 1. Since the mounting plate 4 mainly serves to mount the scraper assembly 3, a mounting hole 41 is also provided thereon. The mounting holes 41 are arranged in a plurality of rows (2 in each row) from left to right at intervals, and one row corresponds to one set of scraping components 3. The scraping component 3 comprises a scraping plate 32 and a support 31 for supporting the scraping plate 32, the support 31 is arranged on a corresponding row of mounting holes 41 on the mounting plate 4, and angle steel can be used as the support 31. The scraper 32 may be a hard teflon plate, or may be a rubber plate, a copper plate, or an aluminum plate. The particular dimensions of the scraper 32 are selected and designed according to the width of the belt, the dimensions of the support 31 and the characteristics of the material to be scraped. The utility model discloses in, the angle adjustable of scraper blade 32 and belt to can adapt to the scraping demand of different materials. The adjustable angle is between 45 degrees and 90 degrees, and is preferably 90 degrees. The utility model discloses an adjustment mode has three kinds, and the first one is the embodiment that fig. 1 shows, is fixed connection between scraper blade 32 and the support 31, between support 31 and the mounting panel 4 promptly. However, a backing plate may be added between the mount 31 and the mounting plate 4 to raise one end of the mount 31 to tilt it up, thereby changing the inclination of the blade 32. A second way is to provide a rotatable connection between the squeegee 32 and the mount 31, while the mount 31 remains fixedly connected to the mounting plate 4. Thus, in actual use, the scraper 32 can be directly rotated, adjusted to a proper angle and fixed. The third method is similar to the second concept, in that the support 31 is rotatably connected to the mounting plate 4, and the scraper 32 is fixedly connected to the support 31, so that the inclination angle of the scraper 32 can be indirectly adjusted by rotating the support 31 during actual adjustment. The rotatable connection can be realized by adopting the existing hinge joint, pin joint and the like, and the fixing mode can adopt the bolt tightening mode and the like.

The utility model discloses a belt cleaning device is located alcoholysis machine belt conveyor's below, can install in the tailwheel below. When the support frame 1 is mounted, the weight portion 12 is located on the left side and the scraper portion 11 is located on the right side. Therefore, the surface of the scraper 11 of the support frame 1 facing the mounting plate 4 is a flat surface, and the mounting plate 4 is a flat plate. However, the belt cleaning device of the present invention is not necessarily mounted on the tail wheel, but also mounted on the front wheel, and is specifically determined according to the structure of the actually used belt conveyor or the position where the skinning easily occurs on the material (but the whole belt cleaning device should be located under the belt). When the device is installed on the front wheel, the scraping part 11 can be designed into an upward-tilting arc shape to adapt to the arc shape formed by the front wheel and the belt. In this case, the mounting plate 4 may be formed into an arc shape in order to accommodate the arc shape of the scraper 11.

Referring to the block diagram of the counterweight assembly shown in fig. 2, the counterweight assembly 2 comprises a balance wheel 21 and a counterweight wheel 22, both of which are arranged on a transverse bar 23 that extends through the end of the counterweight portion 12 of the supporting frame 1. The two components have the combined action of providing torque for the scraping component 3, so that the scraping plate 32 can automatically reset after being pushed to move downwards by the crusts or lumps on the belt every time, and automatic balance adjustment is realized. Except that the balance weight wheel 22 is fixedly arranged in the middle of the cross bar 23, and the balance wheels 21 are rotatably arranged at the two ends of the cross bar 23. Corresponding to two support frames 1 arranged in parallel, the balance wheel 22 is located between the two support frames 1, while the balance wheel 21 is located outside the support frames 1. This way the balance wheel 21 is designed to be rotatable for easy removal. And, can send the material that drops on it to in receiving the hopper in a same place through rotatory stabilizer wheel 21, avoid the material to pile up on it and change the holistic weight of counter weight component 2, lead to the whole balanced change of supporting rack 1 and normal scraping. Meanwhile, when the balance is adjusted, the number of the balance wheels 21 can be selected according to actual conditions, and the balance wheels are mounted from large to small (diameter) so as to be convenient to disassemble. After the assembly is completed, the balance wheel 21 can be restrained from the outside by a nut D (an external thread may be provided on the bar 23 for mounting the nut D).

In summary, the support frame 1 is formed like a lever. But to avoid the scraper 32 contacting the belt as it idles, thereby causing wear to it. The utility model discloses back is connecting supporting rack 1 on connecting piece 8, through the moment of adjustment counter weight end to make counter weight subassembly 2 and scrape material subassembly 3 and form a balanced state. Therefore, a gap between the scraper 32 and the belt can be formed, and the gap is 0.5-1.0 mm. Thereby avoiding the scraper 32 from directly contacting the belt and causing wear to the belt as it idles. Of course, the amount of gap formed between scraper 32 and the belt is related to the amount of skinning that occurs on the belt, and is optimal for resinous skinning on alcoholysis machine belts. However, no matter what the size of the gap is, the gap should be formed by balancing the two ends of the supporting frame 1. Otherwise, if the moment of the counterweight end is greater, the scraper 32 will still cling to the belt when the belt idles; if the moment at the scraping end is greater, the scraper 32 will not contact the crust on the belt at all. It is clear that any unbalanced state can not realize the effect of the utility model. Can know through the above-mentioned description to counter weight subassembly 2 and to the counter weight portion 12 of supporting rack 1, the utility model discloses the moment mode of adjustment counter weight end can be for the quantity of increase and decrease stabilizer 21 (the regulation of power promptly), or also can adjust supporting rack 1 counter weight portion 12 and scrape the contained angle of material portion 11 (the regulation of the arm of force promptly) to realize the comprehensive regulation of power and the arm of force. According to the design, when the moment of the counterweight end is adjusted, the angle between the scraper and the belt is changed; when the angle of the scraper is adjusted, the clearance between the scraper and the belt is changed, so that comprehensive consideration is needed during adjustment to realize the optimal balance position.

The material scraped off by the scraper 32 is received by the receiving hopper. In order to facilitate material receiving, the material receiving hopper is designed to be conical. In order to avoid waste, a conveying device and a reprocessing device are also arranged. The conveying device is a screw conveyor, and the reprocessing device is a pulverizer. The crusher serves as a reprocessing device to process the scraped material. The input end of the screw conveyer is connected with the receiving hopper, and the output end of the screw conveyer is connected with the pulverizer, so that materials falling into the receiving hopper can be conveyed to the pulverizer to be reprocessed.

In order to ensure that the material scraped off the belt by the scraper 32 will not stick to the parts such as the supporting frame 1, the utility model discloses a guide is still provided to provide the guide for these falling materials, thereby make its accurate fall into connect the hopper. The shape of the flow guide piece can be a long concave groove body, so that the flow guide piece can complete the flow guide work conveniently. Actually, as is clear from the function of the deflector, any member such as a chute can be used as the deflector. The guide member is mounted in such a manner that the upper opening is fixedly connected to the scraper 32 and the lower end is fixed to the support frame 1. The material of the flow guide member may be a PP resin material. According to this concept, the scraper 32 can be modified to avoid sticking of the material to other parts. The scraper 32 is usually a flat plate, and the materials scraped off from both sides naturally flow to the outside of the scraper 32 and are easily stuck to other parts. The present invention provides a baffle plate extending toward the weight assembly 2 on both sides of the lower end of the scraper 32 (i.e., the end near the mounting plate 4). Thus, the scraper 32 is formed into a concave structure, and the material can be prevented from flowing out of the side edge of the scraper 32.

According to the belt cleaning device arranged above, the bonding materials of the belt rollers can be greatly reduced, and the safety risk of cleaning the materials during parking is reduced. And the number of unplanned parking times is reduced, and the production efficiency is improved. And, because scraper blade 32 does not contact with it when the belt idles, therefore has further lengthened the service life of the belt, has saved the purchase cost and improved the production output. The utility model discloses a belt cleaning device is when the actual installation, and installation quantity can be confirmed according to the belt width, and sets up the mode and can follow the parallel and spaced setting of belt width direction.

The above description is only one embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (14)

1. The belt cleaning device is characterized by comprising a supporting frame (1), a counterweight component (2) arranged at one end of the supporting frame (1) and a scraping component (3) arranged at the other end of the supporting frame (1);

the counterweight component (2) comprises a cross bar (23) which is arranged on the supporting frame (1) and is provided with an external thread and a balance wheel (21) which is rotatably arranged on the cross bar (23);

the counterweight component (2) also comprises a counterweight wheel (22) fixedly arranged on the cross bar (23).

2. Belt cleaning device according to claim 1, characterized in that the scraper assembly (3) comprises a support (31) and a scraper (32) arranged on the support (31).

3. Belt cleaning device according to claim 2, further comprising mounting plates (4) arranged on the support frame (1), wherein at least one mounting hole (41) for mounting the scraper assembly (3) is arranged at intervals on the mounting plates (4).

4. A belt cleaning device as claimed in claim 3, further comprising a backing plate for adjusting the angle between the support (31) and the mounting plate (4).

5. Belt cleaning device according to claim 3, characterized in that the scraper (32) is rotatably connected to the carrier (31), the carrier (31) being fixed to the mounting plate (4).

6. A belt cleaning device as claimed in claim 3, characterized in that the scraper (32) is fixedly connected to the support (31), the support (31) being rotatably connected to the mounting plate (4).

7. A belt cleaning device as claimed in claim 3, characterized in that the scraper (32) is provided with baffles extending in the direction of the counterweight assembly (2) on both sides of its end adjacent to the mounting plate (4).

8. Belt cleaning device according to claim 3, characterized in that the support frame (1) comprises a scraper (11) for mounting the mounting plate (4) and a counterweight (12) for mounting the counterweight assembly (2).

9. Belt cleaning device according to claim 8, characterized in that the counterweight (12) is rotatably or fixedly connected to the scraper (11);

the included angle between the counterweight part (12) and the scraping part (11) is 135-180 degrees;

the surface of the mounting plate (4) installed on the scraping part (11) is a plane or an arc surface, and the mounting plate (4) is a flat plate or an arc plate.

10. The belt cleaning device as claimed in claim 1, further comprising a frame (5), a connecting member (8) rotatably connected to the support frame (1), and a connecting column (6) having both ends fixedly connected to the frame (5) and the connecting member (8), respectively;

two ends of the connecting piece (8) are connected with the two parallel supporting frames (1).

11. The belt cleaning device as in claim 2, further comprising a flow guide member, the flow guide member being a long concave groove;

one end of the flow guide piece is fixedly connected with the scraper (32), and the other end of the flow guide piece is fixed on the support frame (1).

12. An alcoholysis machine utilizing the belt cleaning device of any one of claims 2-11 and further comprising a belt conveyor and a belt cleaning device located below the belt conveyor.

13. The alcoholysis machine of claim 12, wherein the scraper (32) is spaced from the belt of the belt conveyor by 0.5-1.0 mm after the support frame (1) is balanced, and the scraper (32) is at an angle of 45-90 ° to the belt of the belt conveyor.

14. The alcoholysis machine of claim 12 or 13, further comprising a tail wheel and/or a front wheel, wherein the belt cleaning device is mounted to the tail wheel and/or the front wheel.

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