CN217378108U - Blowing machine - Google Patents

Abstract

The utility model relates to a blowing machine technical field provides a blowing machine, including fuselage and clearance storehouse and the cleaning device of setting on the fuselage, cleaning device is located the clearance storehouse, and the clearance storehouse has miscellaneous mouthful and goes out cotton mouthful, still including blowing miscellaneous device and blowing cotton device, and the exit end that blows miscellaneous device is located the both sides of fuselage, and the exit end that blows cotton device is located the fuselage afterbody. Through above-mentioned technical scheme, solved among the prior art cotton and impurity separation back, the problem of impurity meeting secondary pollution cotton.

Description

Blowing machine

Technical Field

The utility model relates to a blowing machine technical field, it is specific, relate to a blowing machine.

Background

During the picking and handling of cotton, a significant amount of solid impurities may fall into the cotton, which need to be removed before the cotton is produced for textile production. The existing cotton impurity removal device usually adopts wind blowing or a heavy object to naturally fall off, and the impurity mixed in cotton balls by the processing modes is difficult to remove, so that the cotton cleaner is required to remove impurities from cotton.

In the working process of the existing cotton cleaner, cotton and impurities need to be discharged after the cotton is subjected to impurity removal, and the delivered cotton and impurities are easily subjected to secondary pollution in the delivery process to influence the cleanliness of the cotton, which is also a great problem in the industry.

Therefore, a solution to the above problem is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cotton cleaner has solved among the prior art cotton and impurity separation back, and impurity can secondary pollution cotton's problem.

The technical scheme of the utility model as follows:

the utility model provides a cotton cleaner, includes the fuselage and sets up clearance storehouse and cleaning device on the fuselage, cleaning device is located in the clearance storehouse, the clearance storehouse has miscellaneous mouthful and cotton outlet, still including blowing miscellaneous device and blowing cotton device, the exit end that blows miscellaneous device is located the fuselage both sides, the exit end that blows cotton device is located the fuselage afterbody.

As a further technical proposal, the impurity blowing device comprises,

an impurity discharging barrel arranged on the machine body, the inlet end of the impurity discharging barrel is communicated with the impurity discharging port, the outlet end of the impurity discharging barrel is positioned at two sides of the machine body,

the first fan is arranged on the machine body, and an air outlet of the first fan is communicated with the impurity discharging barrel.

As a further technical proposal, the cotton blowing device comprises,

a cotton outlet cylinder arranged on the machine body, the inlet end of the cotton outlet cylinder is communicated with the cotton outlet, the outlet end of the cotton outlet cylinder is positioned at the tail part of the machine body,

the second fan is arranged on the machine body, an air outlet of the second fan is communicated with the cotton outlet cylinder,

the first roller body is rotatably arranged on the machine body and is positioned at the cotton outlet,

the first flexible piece is arranged along the circumferential direction of the first roller body.

As a further technical scheme, the cleaning bin is provided with a feeding hole; the cleaning device also comprises a cleaning device which is provided with a cleaning device,

the first sliver rollers are arranged on the machine body in a rotating mode, the first sliver rollers are located at the feed inlet and are provided with first sliver parts, the first sliver parts are distributed along the circumferential direction of the first sliver rollers and are distributed on the adjacent first sliver rollers in a staggered mode,

the first thick strip roller is rotatably arranged on the machine body and is positioned at the discharge end of the first thin strip roller, the first thick strip roller is provided with a plurality of first thick strip portions, and the first thick strip portions are circumferentially distributed along the first thick strip roller,

the first screening plate is arranged on the cleaning bin and provided with a plurality of first screening holes, and the first screening plate is located below the first coarse bar roller along the vertical direction.

As a further technical proposal, the cleaning device also comprises,

the second rough bar roller is rotatably arranged on the machine body and is positioned at the discharge end of the first rough bar roller, the second rough bar roller is provided with a plurality of second rough bar parts, and the second rough bar parts are circumferentially distributed along the second rough bar roller,

a second gear roller which is rotationally arranged on the machine body,

the first gear roller is rotatably arranged on the machine body, the first gear roller is positioned below the second gear roller, the first gear roller is positioned above the impurity outlet,

the material poking roller is rotationally arranged on the machine body, is in contact with the second thick roller and rotates to send cotton from the second thick roller to the second gear roller,

the first brush roller is rotatably arranged on the machine body and is positioned between the first tooth roller and the second tooth roller, and the first brush roller rotates to enable cotton to be separated from the first tooth roller and the second tooth roller.

As a further technical proposal, the cleaning device also comprises,

and the second brush rollers are distributed around the first tooth rollers, and are all contacted with the first tooth rollers.

As a further technical proposal, the cleaning device also comprises,

a third toothed roller rotatably arranged on the machine body and positioned at the discharge end of the first brush roller,

a second sliver roller rotatably disposed on the body, the second sliver roller being positioned between the first brush roller and the third toothed roller, the second sliver roller being in contact with the first brush roller and the third toothed roller simultaneously,

the third coarse sliver roller is rotatably arranged on the machine body and is positioned at the discharge end of the third gear roller,

a second material screening plate arranged on the cleaning bin, the second material screening plate is provided with a plurality of second material screening holes, the second material screening plate is positioned below the third coarse bar roller,

and the third brush roller is rotatably arranged on the machine body and is positioned between the third rough strip roller and the third toothed roller, and the third brush roller is simultaneously contacted with the second rough strip roller and the third toothed roller.

As a further technical scheme, the machine body is provided with a traction part, and the traction part is positioned at the front end of the machine body along the working direction; also comprises the following steps of (1) preparing,

the wheel body is rotatably arranged on the machine body and is positioned at the rear end of the machine body along the working direction.

The utility model discloses a theory of operation and beneficial effect do:

in the utility model, the cotton cleaner comprises a machine body, a cleaning bin and a cleaning device, wherein the cleaning bin and the cleaning device are arranged on the machine body, the cleaning device is positioned in the cleaning bin, the cleaning bin is provided with an impurity outlet and a cotton outlet, the cotton cleaner also comprises an impurity blowing device and a cotton blowing device, the outlet end of the impurity blowing device is positioned at the two sides of the machine body, the outlet end of the cotton blowing device is positioned at the tail part of the machine body, when in use, cotton enters the cleaning bin, after impurity removal treatment is carried out by the cleaning device, the cotton is respectively sent out from the impurity outlet and the cotton outlet, the impurity blowing device blows out impurities from the two sides of the machine body, the cotton is blown out from the tail part of the cleaning bin by the cotton blowing device, and the cotton and the impurities are separately sent out,

the cotton cleaner has the beneficial effects that the impurity outlet and the cotton outlet are formed in the cleaning bin, cotton can be respectively discharged after being separated, impurities are discharged to the two sides of the machine body, cotton is discharged to the rear of the machine body, and the cotton cleaner can be more conveniently collected.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the first roller structure of the present invention;

FIG. 4 is a schematic view of the cleaning device according to the present invention;

in the figure: 1. the cleaning device comprises a machine body, 2, a cleaning bin, 3, a cleaning device, 201, a trash outlet, 202, a cotton outlet, 4, a trash blowing device, 5, a trash blowing device, 401, a trash outlet cylinder, 402, a first fan, 501, a trash outlet cylinder, 502, a second fan, 503, a first roller body, 504, a first flexible piece, 203, a feeding port, 6, a first sliver roller, 7, a first sliver portion, 8, a first coarse sliver roller, 801, a first coarse sliver portion, 9, a first screening plate, 901, a first screening hole, 10, a second coarse sliver roller, 101, a second coarse sliver portion, 11, a second gear roller, 12, a first gear roller, 13, a material stirring roller, 14, a third coarse sliver roller, 15, a first brush roller, 16, a second brush roller, 17, a third gear roller, 18, a second fine sliver roller, 19, a second gear plate, 20, a third brush roller, 102, a traction portion, a brush roller 21 and a wheel body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.

As shown in fig. 1 to 4, this embodiment provides a cotton cleaner, which includes a machine body 1, and a cleaning bin 2 and a cleaning device 3 that are disposed on the machine body 1, where the cleaning device 3 is located in the cleaning bin 2, the cleaning bin 2 has a trash outlet 201 and a cotton outlet 202, and further includes a trash blowing device 4 and a cotton blowing device 5, an outlet end of the trash blowing device 4 is located on one side of the machine body 1, and an outlet end of the cotton blowing device 5 is located at a tail of the machine body 1.

In the embodiment, the cotton cleaner comprises a machine body 1, a cleaning bin 2 and a cleaning device 3, wherein the cleaning bin 2 and the cleaning device 3 are arranged on the machine body 1, the cleaning device 3 is positioned in the cleaning bin 2, the cleaning bin 2 is provided with an impurity outlet 201 and a cotton outlet 202, the cotton cleaner further comprises an impurity blowing device 4 and a cotton blowing device 5, the outlet end of the impurity blowing device 4 is positioned on one side of the machine body 1, the outlet end of the cotton blowing device 5 is positioned at the tail part of the machine body 1, when the cotton cleaner works, cotton enters the cleaning bin 2, after impurity removal treatment is carried out through the cleaning device 3, the cotton is respectively sent out from the impurity outlet 201 and the cotton outlet 202, the impurity blowing device 4 blows impurities out from one side of the machine body 1, the cotton blowing device 5 blows out the cotton from the tail part of the cleaning bin 2, the cotton and the impurities are respectively sent out,

through set up trash outlet 201 and cotton outlet 202 on clearance storehouse 2, can discharge respectively after the cotton separation, debris are arranged to fuselage 1 side, and the cotton is arranged to fuselage 1 rear, can more conveniently collect.

Further, the impurity blowing device 4 comprises,

a trash outlet cylinder 401, the trash outlet cylinder 401 is arranged on the machine body 1, the inlet end of the trash outlet cylinder 401 is communicated with the trash outlet 201, the outlet end of the trash outlet cylinder 401 is positioned on one side of the machine body 1,

the first fan 402 is arranged on the machine body 1, and an air outlet of the first fan 402 is communicated with the impurity discharging cylinder 401.

In this embodiment, the trash blowing device 4 comprises a trash discharging cylinder 401 and a first fan 402, the middle of the trash discharging cylinder 401 is communicated with the trash outlet 201, and the first fan 402 can provide wind power from one end of the trash discharging cylinder 401 to the other end, so that the trash is blown out from one end of the trash discharging cylinder 401, and the trash is accumulated on one side of the machine body 1 and collected separately from the cotton.

Further, the blowing device 5 comprises,

a cotton outlet cylinder 501, the cotton outlet cylinder 501 is arranged on the machine body 1, the inlet end of the cotton outlet cylinder 501 is communicated with the cotton outlet 202, the outlet end of the cotton outlet cylinder 501 is arranged at the tail part of the machine body 1,

a second fan 502, the second fan 502 is arranged on the machine body 1, an air outlet of the second fan 502 is communicated with the cotton outlet cylinder 501,

a first roller body 503, the first roller body 503 is rotatably disposed on the machine body 1, the first roller body 503 is located at the cotton outlet 202,

a first flexible member 504, wherein the first flexible member 504 is disposed along the circumference of the first roller body 503.

In this embodiment, go out the middle part and the cotton outlet 202 intercommunication of a cotton section of thick bamboo 501, blow cotton device 5 and blow out the cotton that cotton outlet 202 got into a cotton section of thick bamboo 501 through second fan 502, first roll body 503 is located cotton outlet 202 department, first flexible piece 504 can be the belt, first roll body 503 drives first flexible piece 504 and rotates, can send the cotton in the clearance storehouse 2 into a cotton section of thick bamboo 501 out, first flexible piece 504 can block out the wind-force influence in the cotton section of thick bamboo 501 and clear up the storehouse 2 inside, lead to the cotton can not follow cotton outlet 202 and get into out in the cotton section of thick bamboo 501.

Further, the cleaning bin 2 is provided with a feeding hole 203; the cleaning device 3 further comprises a device for cleaning,

a plurality of first strip rollers 6, a plurality of first strip rollers 6 are arranged on the machine body 1, the first strip rollers 6 are positioned at the feed opening 203, the first strip rollers 6 are provided with first strip portions 7, the first strip portions 7 are distributed along the circumferential direction of the first strip rollers 6, the first strip portions 7 on the adjacent first strip rollers 6 are distributed in a staggered manner,

the first thick strip roller 8 is rotatably arranged on the machine body 1, the first thick strip roller 8 is positioned at the discharge end of the first thin strip roller 6, the first thick strip roller 8 is provided with a plurality of first thick strip portions 801, the first thick strip portions 801 are circumferentially distributed along the first thick strip roller 8,

the first screening plate 9 is arranged on the cleaning bin 2, the first screening plate 9 is provided with a plurality of first screening holes 901, and the plurality of first screening plates 9 are located below the first coarse bar roller 8 along the vertical direction.

In this embodiment, the first slivering rods are located at the feed inlet 203, when cotton is fed into the cleaning bin 2, the first slivering portions 7 and the first thick portions 801 are both rod-shaped, and the difference is that the thicknesses are different, the first slivering portions 7 of adjacent first slivering rods are arranged in a staggered manner, when the first slivering rollers 6 rotate, the rotation directions of the adjacent two first slivering rods are opposite, the cotton can be torn, impurities attached to the inside of the cotton can fall down through gravity, and fall out from the first screening holes 901 of the first screening plate 9, and the first thick rollers 8 are mainly used for sending the cotton out of the first screening plate 9, so that preliminary impurity removal is realized.

Further, the cleaning device 3 further comprises,

the second rough bar roller 10 is rotatably arranged on the machine body 1, the second rough bar roller 10 is positioned at the discharge end of the first rough bar roller 8, the second rough bar roller 10 is provided with a plurality of second rough bar parts 101, the second rough bar parts 101 are circumferentially distributed along the second rough bar roller 10,

a second gear roller 11, wherein the second gear roller 11 is rotatably arranged on the machine body 1,

a first gear roller 12, the first gear roller 12 is rotatably arranged on the machine body 1, the first gear roller 12 is positioned below the second gear roller 11, the first gear roller 12 is positioned above the impurity outlet 201,

the material poking roller 13 is rotationally arranged on the machine body 1, the material poking roller 13 is in contact with the second rough bar roller 10, the material poking roller 13 rotates to convey cotton from the second rough bar roller 10 to the second gear roller 11,

the first brush roller 15 is rotatably arranged on the machine body 1, the first brush roller 15 is positioned between the first tooth roller 12 and the second tooth roller 11, and the first brush roller 15 rotates to separate cotton from the first tooth roller 12 and the second tooth roller 11.

In this embodiment, the second sliver roller 10 is mainly used for sending the first sliver roller 8 out, cotton is sent to the second step for impurity removal, after the cotton is separated from the second sliver roller 10, part of the cotton falls into the first gear roller 12 due to gravity, because the first gear roller 12 is located above the impurity outlet 201, the air blown into the impurity outlet 201 by the first fan 402 can pass through the impurity outlet 201, and blows upwards to blow up part of the smaller cotton, so that the cotton can enter the second gear roller 11 along with the material stirring roller 13, the first gear roller 12 and the second gear roller 11 are provided with gear hooks, the gear hooks can hook the cotton, so that the cotton cannot be blown disorderly by wind power, the first brush roller 15 is provided with brushes, the first gear roller 12 is meshed with the first gear roller 12 and the second gear roller 11 simultaneously, the cotton on the first gear roller 12 and the second gear roller 11 can be brushed down, and the brushed cotton can be sent to the next step for impurity removal along with the first brush roller 15.

Further, the cleaning device 3 further comprises,

a plurality of second brush rollers 16, wherein a plurality of second brush rollers 16 are distributed around the first toothed roller 12, and a plurality of second brush rollers 16 are all contacted with the first toothed roller 12.

In this embodiment, the cleaning device 3 further includes a second brush roller 16, the second brush roller 16 has a plurality of, a plurality of second brush rollers 16 distribute around the first tooth roller 12, a plurality of second brush rollers 16 all contact with the first tooth roller 12, the second brush roller 16 also has a brush, the second brush roller 16 is mainly used for separating residual fine cotton on the first tooth roller 12, the cotton can be blown up by the wind of miscellaneous mouthful 201 after separating from, thereby make the cotton send into to the second tooth roller 11 through stirring roller 13, part of cotton that has the impurity brush roller 16 still can follow the second brush roller and return and send into to the first tooth roller 12 on, thereby carry out the edulcoration of going over again.

Further, the cleaning device 3 further comprises,

a third toothed roller 17, wherein the third toothed roller 17 is rotatably arranged on the machine body 1, the third toothed roller 17 is positioned at the discharge end of the first brush roller 15,

a second strip roller 18, wherein the second strip roller 18 is rotatably arranged on the machine body 1, the second strip roller 18 is positioned between the first brush roller 15 and the third toothed roller 17,

a third rough bar roller 14, wherein the third rough bar roller 14 is rotatably arranged on the machine body 1, the third rough bar roller 14 is positioned at the discharge end of the third gear roller 17,

a second screening plate 19, wherein the second screening plate 19 is arranged on the cleaning bin 2, the second screening plate 19 is provided with a plurality of second screening holes, the second screening plate 19 is positioned below the second coarse strip roller 10,

and a third brush roller 20, wherein the third brush roller 20 is rotatably arranged on the machine body 1, the third brush roller 20 is positioned between the second wide strip roller 10 and the third toothed roller 17, and the third brush roller 20 is simultaneously contacted with the second wide strip roller 10 and the third toothed roller 17.

In this embodiment, the cotton sent out from the second brush roller 16 enters the third toothed roller 17, the third toothed roller 17 sends the cotton to the second fine bar roller 18, the third toothed roller 17 sends the cotton on the second fine bar roller 18 to the third rough bar roller 14, the third rough bar roller 14 drives the cotton to rotate, the impurities left on the cotton are sent out from the second sieve holes, finally, the third rough bar roller 14 sends the cotton to the cotton outlet 202, the third brush roller 20 brushes down the cotton on the third toothed roller 17, and the third rough bar roller 14 pulls down the cotton on the third brush roller 20, so that the impurity removal efficiency of the cotton is increased.

Further, the fuselage 1 is provided with a traction part 102, and the traction part 102 is positioned at the front end of the fuselage 1 along the working direction; also comprises the following steps of (1) preparing,

the wheel body 21 is rotatably arranged on the machine body 1, and the wheel body 21 is located at the rear end of the machine body 1 along the working direction.

In this embodiment, the traction portion 102 is used to connect with a tractor, and the tractor is connected with the traction portion 102 and drives the cotton cleaner to advance through the wheel body 21.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a cotton cleaner, is in including fuselage (1) and setting clearance storehouse (2) and cleaning device (3) on fuselage (1), cleaning device (3) are located in clearance storehouse (2), clearance storehouse (2) have miscellaneous mouthful (201) and play cotton mouthful (202), its characterized in that still including blowing miscellaneous device (4) and blowing cotton device (5), blow miscellaneous device (4) with it all sets up to blow cotton device (5) on fuselage (1), the exit end that blows miscellaneous device (4) is located fuselage (1) one side, the exit end that blows cotton device (5) is located fuselage (1) afterbody.

2. A blowing machine according to claim 1, characterised in that the blowing device (4) comprises,

a trash outlet cylinder (401), wherein the trash outlet cylinder (401) is arranged on the machine body (1), the inlet end of the trash outlet cylinder (401) is communicated with the trash outlet (201), the outlet end of the trash outlet cylinder (401) is positioned on one side of the machine body (1),

the first fan (402), the first fan (402) is arranged on the machine body (1), and an air outlet of the first fan (402) is communicated with the impurity discharging barrel (401).

3. A blowing machine according to claim 1, characterised in that the blowing device (5) comprises,

a cotton outlet cylinder (501), wherein the cotton outlet cylinder (501) is arranged on the machine body (1), the inlet end of the cotton outlet cylinder (501) is communicated with the cotton outlet (202), the outlet end of the cotton outlet cylinder (501) is positioned at the tail part of the machine body (1),

the second fan (502), the second fan (502) is arranged on the machine body (1), the air outlet of the second fan (502) is communicated with the cotton outlet cylinder (501),

the first roller body (503), the first roller body (503) is rotatably arranged on the machine body (1), the first roller body (503) is positioned at the cotton outlet (202),

a first flexible member (504), the first flexible member (504) being disposed circumferentially along the first roller body (503).

4. A blowing machine according to claim 1, characterised in that the cleaning bin (2) has a feed opening (203); the cleaning device (3) comprises a cleaning device,

the first sliver roller (6) is provided with a plurality of first sliver rollers (6), the first sliver rollers (6) are all rotatably arranged on the machine body (1), the first sliver rollers (6) are positioned at the feed inlet (203), the first sliver rollers (6) are provided with first sliver parts (7), the first sliver parts (7) are circumferentially distributed along the first sliver rollers (6), and the first sliver parts (7) on the adjacent first sliver rollers (6) are distributed in a staggered manner,

the first thick strip roller (8), the first thick strip roller (8) is rotatably arranged on the machine body (1), the first thick strip roller (8) is positioned at the discharge end of the first thin strip roller (6), the first thick strip roller (8) is provided with a plurality of first thick strip portions (801), and the first thick strip portions (801) are circumferentially distributed along the first thick strip roller (8),

the first screening plate (9) is arranged on the cleaning bin (2), the first screening plate (9) is provided with a plurality of first screening holes (901), and the first screening plates (9) are located below the first coarse bar roller (8) in the vertical direction.

5. A blowing machine according to claim 4, characterised in that the cleaning device (3) also comprises,

the second rough bar roller (10) is rotationally arranged on the machine body (1), the second rough bar roller (10) is positioned at the discharge end of the first rough bar roller (8), the second rough bar roller (10) is provided with a plurality of second rough bar portions (101), and the second rough bar portions (101) are circumferentially distributed along the second rough bar roller (10),

a second toothed roller (11), wherein the second toothed roller (11) is rotatably arranged on the machine body (1),

the first toothed roller (12), the first toothed roller (12) is rotatably arranged on the machine body (1), the first toothed roller (12) is positioned below the second toothed roller (11), the first toothed roller (12) is positioned above the impurity outlet (201),

a material poking roller (13), wherein the material poking roller (13) is rotatably arranged on the machine body (1), the material poking roller (13) is in contact with the second rough bar roller (10), the material poking roller (13) rotates to convey cotton from the second rough bar roller (10) to the second gear roller (11),

the first brush roller (15) is rotatably arranged on the machine body (1), the first brush roller (15) is located between the first tooth roller (12) and the second tooth roller (11), and the first brush roller (15) rotates to enable cotton to be separated from the first tooth roller (12) and the second tooth roller (11).

6. A blowing machine according to claim 5, characterised in that the cleaning device (3) also comprises,

a plurality of second brush rollers (16), wherein a plurality of second brush rollers (16) are distributed around the first toothed roller (12), and a plurality of second brush rollers (16) are all contacted with the first toothed roller (12).

7. A blowing machine according to claim 6, characterised in that the cleaning device (3) also comprises,

a third toothed roller (17), wherein the third toothed roller (17) is rotatably arranged on the machine body (1), the third toothed roller (17) is positioned at the discharge end of the first brush roller (15),

a second sliver roller (18), wherein the second sliver roller (18) is rotatably arranged on the machine body (1), the second sliver roller (18) is positioned between the first brush roller (15) and the third toothed roller (17),

a third rough bar roller (14), wherein the third rough bar roller (14) is rotatably arranged on the machine body (1), the third rough bar roller (14) is positioned at the discharge end of the third gear roller (17),

a second screening plate (19), wherein the second screening plate (19) is arranged on the cleaning bin (2), the second screening plate (19) is provided with a plurality of second screening holes, the second screening plate (19) is positioned below the third coarse bar roller (14),

a third brush roller (20), wherein the third brush roller (20) is rotatably arranged on the machine body (1), the third brush roller (20) is positioned between the third thick strip roller (14) and the third toothed roller (17), and the third brush roller (20) is simultaneously contacted with the third thick strip roller (14) and the third toothed roller (17).

8. A blowing machine according to claim 1, characterised in that the machine body (1) has a towing part (102), the towing part (102) being located at the front end of the machine body (1) in the working direction; also comprises the following steps of (1) preparing,

the wheel body (21), wheel body (21) rotate to be set up on fuselage (1), wheel body (21) are located along the working direction fuselage (1) rear end.

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