CN212314522U

CN212314522U - Crawler belt conveying mechanism

Info

Publication number: CN212314522U
Application number: CN202021942192.5U
Authority: CN
Inventors: 章晋涛
Original assignee: Guangzhou Eastsoft Technology Co ltd
Current assignee: Xinjiang Green Zhuyuan Environmental Protection Building Materials Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-01-08
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a track transmission device, include: the garbage bin comprises a bin body, wherein a throwing opening is formed in the upper end of the bin body, a support is arranged in the bin body, the two ends of the support in the length direction are connected with the inner wall of the bin body, a transmission device is arranged on the support and located below the throwing opening, and a first garbage bin and a second garbage bin are respectively arranged below the two sides of the transmission device. An object of the utility model is to provide a convenient categorised, can carry out the track transmission device that rubbish was put in fast.

Description

Crawler belt conveying mechanism

Technical Field

The utility model belongs to the technical field of the dustbin, concretely relates to track transmission device.

Background

A trash can is a container for storing trash, and is generally square or rectangular. Now, domestic garbage is subdivided into four categories, which are recyclable garbage, kitchen garbage, harmful garbage and other garbage. The recyclable garbage is suitable for recycling and resource utilization and comprises paper, plastics, glass, fabrics, bottles, cans and the like, is collected by a blue garbage container, harmful garbage is harmful substances, garbage needing special safe treatment and comprises batteries, lamp tubes, daily chemicals and the like, is collected by a red garbage container, and other garbage is classified and collected by a gray garbage container. When people classify garbage, the garbage classification is often confused, so that the garbage is thrown into a wrong garbage can, and the garbage classification treatment is difficult.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model discloses solve among the prior art waste classification and easily obscure, lead to rubbish to put in the problem of advancing wrong dustbin.

For this reason, the technical scheme who adopts is, the utility model discloses a track transmission device, include: the garbage bin comprises a bin body, wherein a throwing opening is formed in the upper end of the bin body, a support is arranged in the bin body, the two ends of the support in the length direction are connected with the inner wall of the bin body, a transmission device is arranged on the support and located below the throwing opening, and a first garbage bin and a second garbage bin are respectively arranged below the two sides of the transmission device.

Preferably, the transmission device includes: a first crawler wheel, a second crawler wheel and a crawler belt,

two ends of the support in the length direction are respectively provided with two supporting plates, the two supporting plates are respectively rotatably connected through a first rotating shaft and a second rotating shaft, the first rotating shaft is provided with a first crawler wheel, the second rotating shaft is provided with a second crawler wheel, and the first crawler wheel and the second crawler wheel are connected through a crawler belt;

the outer side surface of the supporting plate is provided with a first motor, an output shaft of the first motor is connected with an output shaft of the worm gear reducer, and the output shaft of the worm gear reducer is connected with the first rotating shaft.

Preferably, the top of the inner wall of the box body is provided with a camera facing the crawler, the top of the inner wall of the box body is provided with a processor, the camera is connected with the processor, and the processor is electrically connected with the processor.

Preferably, the putting-in opening is provided with a cover plate.

Preferably, the bottom end of the outer wall of the box body is provided with a cover door, and one side of the cover door is hinged with the outer wall of the box body.

Preferably, the crawler belt is provided with an electronic scale, and the electronic scale is in wireless connection with the processor.

Preferably, a display is arranged on the outer wall of the box body and connected with the processor.

Preferably, the track is provided with anti-skid lines.

Preferably, be provided with the backing plate in the box and change the device, the backing plate is changed the device and is included:

the baffle plate is arranged in the box body in the vertical direction, the baffle plate is connected with the inner wall of the box body, the left end and the right end of the two baffle plates are connected through a connecting plate, the lower ends of the two baffle plates are connected through a bottom plate, the baffle plate is perpendicular to the bottom plate, a guide groove in the horizontal direction is formed in the bottom plate, and a plurality of base plates are arranged on the bottom plate;

the fixed block is arranged on the inner wall of the box body and is positioned below the bottom plate, one end of the oscillating bar is hinged with the fixed block, the other end of the oscillating bar is connected with the bottom end of a moving plate in the horizontal direction, a shifting block is arranged on the moving plate and is positioned on the left side of the base plate, and a roller is arranged in the middle of the oscillating bar;

the cam is arranged on the right side of the roller, a third rotating shaft penetrates through the axis of the cam and is connected with the cam, the cam is in contact with the roller, a second motor is arranged on the inner wall of the box body, an output shaft of the second motor is connected with one end of the third rotating shaft, the other end of the third rotating shaft is rotatably connected with the inner wall of the box body, a first fixing plate is arranged on the inner wall of the box body and is positioned above the cam, one end of a first spring is connected with the first fixing plate, the other end of the first spring is connected with the upper end of the oscillating rod, and a first chain wheel is arranged on the third rotating shaft;

the first rotating drum is arranged on the lower right side of the baffle, the second rotating drum is arranged below the first rotating drum, the first rotating drum is parallel to the second rotating drum, the outer wall of the first rotating drum can be in contact with the second rotating drum, the fourth rotating shaft penetrates through the first rotating drum, the fifth rotating shaft penetrates through the second rotating drum, a second chain wheel is arranged on the fifth rotating shaft, the first chain wheel and the second chain wheel are connected through a chain, bristles are arranged on the outer walls of the first rotating drum and the second rotating drum, and the crawler belt is located on the right side of the second rotating drum.

Preferably, the two sides of the inner wall of the box body are respectively provided with a second fixed plate, a chute in the vertical direction is arranged in the second fixed plate, the two ends of the fifth rotating shaft are respectively rotatably connected with the inner side surfaces of the lower ends of the two second fixed plates, the inner side of the second fixed plate is provided with an opening, the opening is communicated with the chute, a slide block is arranged in the chute and can reciprocate up and down along the chute, a guide rod in the vertical direction is arranged in the chute, one end of the guide rod is connected with the top of the inner wall of the chute, the other end of the guide rod is connected with the bottom of the inner wall of the chute, a guide hole is arranged on the slide block, the guide rod penetrates through the guide hole, a second spring is sleeved on the guide rod, one end of the second spring is connected with the slide block, and the, and two ends of the fourth rotating shaft respectively penetrate through the openings to be rotatably connected with the sliding blocks.

Preferably, a sixth rotating shaft is arranged above the first rotating cylinder, two ends of the sixth rotating shaft are respectively and rotatably connected with the inner wall of the box body, a first gear is arranged at the left end of the sixth rotating shaft, a second gear is arranged at the left end of the fourth rotating shaft, a gap is arranged between the first gear and the second gear, the suction box is arranged in the box body, the air extraction box is positioned above the first rotary drum, the upper end of the air extraction box is fixedly connected with the top of the inner wall of the box body, the sixth rotating shaft penetrates through the air extraction box and is rotatably connected with the wall surface of the air extraction box, an air exhaust fan is arranged on the sixth rotating shaft and is positioned in the air exhaust box, an air exhaust cover is arranged at the bottom end of the air exhaust box, the air exhaust cover faces the first rotary drum, one end of the air exhaust pipe is communicated with the upper end of the air exhaust box, and the other end of the air exhaust pipe extends out of the box body.

The utility model discloses technical scheme has following advantage: the utility model discloses a track transmission device, include: the garbage can comprises a box body, a feeding opening is formed in the upper end of the box body, a support is arranged in the box body, two ends of the support in the length direction are connected with the inner wall of the box body, a transmission device is arranged on the support and located below the feeding opening, and a first garbage can and a second garbage can are respectively arranged below two sides of the transmission device; the garbage is thrown into the garbage throwing port from the throwing port, the garbage falls onto the crawler, the camera shoots the garbage, the garbage is identified, when the thrown garbage is of a correct type, the processor starts an output shaft of the first motor to rotate, the first rotating shaft is driven to rotate through the speed reduction of the worm and gear reducer, the first crawler wheel is driven to rotate, the crawler is driven to move again, the garbage is thrown into the first garbage box, when the thrown garbage is wrong, the processor starts the output shaft of the first motor to rotate reversely, the crawler moves reversely, the garbage is thrown into the second garbage box, the garbage is sorted and thrown into by a worker, the garbage is prevented from being thrown into the wrong garbage box, and the garbage can be conveniently and rapidly sorted.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the conveying device of the present invention;

fig. 3 is a cross-sectional view of the present invention;

fig. 4 is a schematic structural diagram of a mat replacing device according to the present invention;

FIG. 5 is a schematic structural view of the middle bottom plate and the backing plate of the present invention;

fig. 6 is a schematic structural view of the second motor and the first rotating shaft in the present invention;

FIG. 7 is a schematic structural view of the dust suction device of the present invention;

wherein the reference numbers are as follows: 1-housing, 2-input opening, 3-support, 4-first waste bin, 5-second waste bin, 6-support plate, 7-first shaft, 8-second shaft, 9-first track wheel, 10-second track wheel, 11-track, 12-first motor, 13-worm gear reducer, 14-camera, 15-processor, 16-cover plate, 17-cover door, 18-electronic scale, 19-baffle, 20-connecting plate, 21-bottom plate, 22-guide groove, 23-backing plate, 24-fixing block, 25-swing rod, 26-moving plate, 27-dial block, 28-roller, 29-cam, 30-third shaft, 31-first fixing plate, 32-first spring, 33-a first drum, 34-a second drum, 35-a fourth rotating shaft, 36-a first chain wheel, 37-a second chain wheel, 38-a chain, 39-bristles, 40-a second fixing plate, 41-a sliding chute, 42-a fifth rotating shaft, 43-an opening, 44-a sliding block, 45-a guide hole, 46-a second spring, 47-a sixth rotating shaft, 48-a first gear, 49-a second gear, 50-an air suction box, 51-an air suction fan, 52-an air suction cover, 53-an air exhaust pipe, 54-a second motor and 55-a guide rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

The utility model provides a track transmission device, as shown in figures 1-3, include: the garbage can comprises a box body 1, wherein a throwing-in opening 2 is formed in the upper end of the box body 1, a support 3 is arranged in the box body 1, two ends of the support 3 in the length direction are connected with the inner wall of the box body 1, a transmission device is arranged on the support 3 and located below the throwing-in opening 2, and a first garbage can 4 and a second garbage can 5 are respectively arranged below two sides of the transmission device.

The transmission device includes: a first crawler wheel 9, a second crawler wheel 10, a crawler 11,

two supporting plates 6 are respectively arranged at two ends of the support 3 in the length direction, the two supporting plates 6 are respectively rotatably connected through a first rotating shaft 7 and a second rotating shaft 8, a first crawler wheel 9 is arranged on the first rotating shaft 7, a second crawler wheel 10 is arranged on the second rotating shaft 8, and the first crawler wheel 9 and the second crawler wheel 10 are connected through a crawler belt 11;

a first motor 12 is arranged on the outer side surface of the supporting plate 6, an output shaft of the first motor 12 is connected with an output shaft of a worm gear reducer 13, and an output shaft of the worm gear reducer 13 is connected with the first rotating shaft 7.

The utility model discloses a crawler-type crawler-.

The working principle and the beneficial technical effects of the technical scheme are as follows: the garbage is thrown into the throwing port 2, falls onto the crawler belt 11, is shot by the camera 14, is recognized, and when the thrown garbage is of the correct type, the processor 15 starts the output shaft of the first motor 12 to rotate, drives the first rotating shaft 7 and the first crawler wheel 9 to rotate through the speed reduction of the worm and gear reducer 13, then drives the crawler belt 11 to move, and throws the garbage into the first garbage can 4, when the thrown garbage is wrong, the processor 15 starts the output shaft of the first motor 12 to rotate reversely, the crawler belt 11 moves reversely, and the garbage is thrown into the second garbage can 5, so that the garbage is sorted and thrown into the first garbage can 4 by workers, the garbage is prevented from being thrown into the wrong garbage can, and the garbage can be conveniently and rapidly sorted.

In one embodiment, the putting-in opening 2 is provided with a cover plate 16, when the garbage is required to be put in, the cover plate 16 is opened, and the cover plate 16 is closed after the garbage is put in, so that the garbage is more clean and sanitary.

In one embodiment, the bottom end of the outer wall of the box body 1 is provided with a cover door 17, one side of the cover door 17 is hinged with the outer wall of the box body 1, and when the garbage box needs to be transported away, the cover door 17 is opened to transport the garbage to a treatment plant for treatment.

In one embodiment, the caterpillar 11 is provided with an electronic scale 18, the electronic scale 18 is wirelessly connected with the processor 15, and the outer wall of the box body 1 is provided with a display which is connected with the processor 15. The electronic scale 18 can weigh the garbage, the processor 15 measures the garbage, and when the weight reaches a warning value, the display displays the weight of the garbage and reminds the staff of timely processing.

In one embodiment, the track 11 is provided with anti-slip lines, which can increase friction and prevent the track 11 from slipping.

Each garbage throwing port corresponds to different garbage throwing types, a camera is arranged in each throwing port, the camera can shoot the thrown garbage to identify whether the throwing type of the garbage is correct or not, the garbage thrown by a previous thrower can be placed on the track, a person throwing the garbage determines information of the thrower through the camera, the high-frequency card reader or the two-dimensional code scanning and reading head on the box body, whether the type of the garbage thrown by the previous thrower is correct or not is displayed on a display screen of the box body, a correct button is pressed if the type of the garbage is correct, the track transmission mechanism conveys the garbage into a correct garbage can, an integral is added to the previous thrower, an error button is pressed if the type of the garbage is incorrect, the track transmission mechanism conveys the garbage into an error garbage can, the integral is deducted from the previous thrower, and the thrower can also judge whether the garbage is thrown correctly or incorrectly through a pedal, after the button is pressed or the pedal is stepped on, the cover plate on the throwing port is opened, so that garbage can be thrown in through the throwing port, the electronic scale is arranged on the track and can weigh the garbage, the box door is driven by the box door opening device to close the throwing port, the camera identifies the type of the thrown garbage, the information such as the weight of the garbage is displayed on the display screen, and the next throwing person can throw the garbage.

In one embodiment, as shown in fig. 4 to 6, a pallet changing apparatus is provided in the box body 1, and the pallet changing apparatus includes:

the baffle plate 19 is arranged in the box body 1, the baffle plate 19 is connected with the inner wall of the box body 1, the left end and the right end of each baffle plate 19 are connected through a connecting plate 20, the lower ends of the two baffle plates 19 are connected through a bottom plate 21, the baffle plate 19 is perpendicular to the bottom plate 21, a guide groove 22 in the horizontal direction is formed in the bottom plate 21, and a plurality of backing plates 23 are arranged on the bottom plate 21;

the fixed block 24 is arranged on the inner wall of the box body 1, the fixed block 24 is positioned below the bottom plate 21, one end of a swing rod 25 is hinged with the fixed block 24, the other end of the swing rod 25 is connected with the bottom end of a moving plate 26 in the horizontal direction, a shifting block 27 is arranged on the moving plate 26, the shifting block 27 is positioned on the left side of the cushion plate 23, and a roller 28 is arranged in the middle of the swing rod 25;

the cam 29 is arranged on the right side of the roller 28, a third rotating shaft 30 penetrates through the axis of the cam 29, the third rotating shaft 30 is connected with the cam 29, the cam 29 is in contact with the roller 28, a second motor 54 is arranged on the inner wall of the box body 1, an output shaft of the second motor 54 is connected with one end of the third rotating shaft 30, the other end of the third rotating shaft 30 is rotatably connected with the inner wall of the box body 1, a first fixing plate 31 is arranged on the inner wall of the box body 1, the first fixing plate 31 is positioned above the cam 29, one end of a first spring 32 is connected with the first fixing plate 31, the other end of the first spring 32 is connected with the upper end of the swing rod 25, and a first chain wheel 36 is arranged on the third rotating shaft 30;

a first drum 33 disposed at the lower right side of the baffle plate 19, a second drum 34 disposed below the first drum 33, the first drum 33 and the second drum 34 being parallel and having an outer wall capable of contacting, a fourth rotating shaft 35 passing through the first drum 33, a fifth rotating shaft 42 passing through the second drum 34, a second chain wheel 37 disposed on the fifth rotating shaft 42, the first chain wheel 36 and the second chain wheel 37 being connected by a chain 38, bristles 39 disposed on the outer walls of the first drum 33 and the second drum 34, and a crawler belt 11 disposed at the right side of the second drum 34.

The working principle and the beneficial technical effects of the technical scheme are as follows: the base plate is placed on the track 11, so that the surface of the track can be prevented from being polluted by garbage, the base plate is thrown into the garbage can along with the garbage after the track 11 finishes the transportation of the garbage, and the base plate is made of an easily degradable environment-friendly material. When the base plate needs to be replaced, the second motor 54 is started to drive the third rotating shaft 30 to rotate, the third rotating shaft 30 drives the cam 29 to rotate, due to the pulling force of the first spring 32, the cam 29 is in contact with the roller 28 to rotate, so that the swing rod 25 swings left and right, the swing rod 25 swings right, the moving plate 26 and the shifting block 27 are driven to move rightwards, the shifting block 27 pushes the base plate 23 rightwards, and the base plate 23 moves between the first rotating drum 33 and the second rotating drum 34; meanwhile, the third rotating shaft 30 drives the first chain wheel 36 to rotate, the second rotating drum 34 is driven to rotate through the transmission of the chain 38, and the pad plate 23 is located between the first rotating drum 33 and the second rotating drum 34, so that the first rotating drum 33 and the second rotating drum 34 move mutually, the pad plate 23 is conveyed to the upper part of the crawler belt 11 and finally falls on the crawler belt 11, and the replacement of the pad plate is completed; when the shifting block 27 moves to the leftmost side, the next pad 23 falls onto the bottom plate 21 under the action of gravity for next replacement because of no support of the shifting block 27. Since the pads 23 are also deposited with dust during storage, the pads 23 are cleaned by the brush bristles 39 as they pass between the first drum 33 and the second drum 34, so that the pads 23 are cleaner and the surface of the track 11 is clean.

In one embodiment, as shown in fig. 7, second fixing plates 40 are respectively disposed on two sides of an inner wall of the box body 1, a sliding groove 41 in a vertical direction is disposed in each second fixing plate 40, two ends of the fifth rotating shaft 42 are respectively rotatably connected to inner sides of lower ends of the two second fixing plates 40, an opening 43 is disposed on an inner side of each second fixing plate 40, the opening 43 is communicated with the sliding groove 41, a sliding block 44 is disposed in the sliding groove 41, the sliding block 44 can reciprocate up and down along the sliding groove 41, a guide rod 55 in a vertical direction is disposed in the sliding groove 41, one end of the guide rod 55 is connected to a top of the inner wall of the sliding groove 41, the other end of the guide rod 55 is connected to a bottom of the inner wall of the sliding groove 41, a guide hole 45 is disposed on the sliding block 44, the guide rod 55 passes through the guide hole 45, one end of the second spring 46 is connected to the sliding block 44, the other end of the second spring 46 is connected to the top of the inner wall of the sliding slot 41, and two ends of the fourth rotating shaft 35 respectively penetrate through the openings 43 and are rotatably connected to the sliding blocks 44.

The working principle and the beneficial technical effects of the technical scheme are as follows: when the backing plate 23 enters between the first rotating drum 33 and the second rotating drum 34, due to the thickness of the backing plate 23, the first rotating drum 33 and the fourth rotating shaft 35 move upwards to drive the sliding block 44 to move upwards along the sliding groove 41, the sliding block 44 provides pressure under the elastic force of the second spring 46, so that the first rotating drum 33 is tightly attached to the backing plate 23 downwards, sufficient friction force is provided, the rotation of the first rotating drum 33 is ensured, and meanwhile, the bristles on the first rotating drum 33 can be tightly attached to the backing plate 23, so that the surface of the backing plate 23 can be cleaned more cleanly; in addition, the fourth rotating shaft 35 can move up and down along with the thickness of the backing plate 23, so that the requirement of replacing backing plates with different thicknesses can be met.

In one embodiment, a sixth rotating shaft 47 is disposed above the first rotating shaft 33, two ends of the sixth rotating shaft 47 are respectively rotatably connected to the inner wall of the box body 1, a first gear 48 is disposed at the left end of the sixth rotating shaft 47, a second gear 49 is disposed at the left end of the fourth rotating shaft 35, a gap is disposed between the first gear 48 and the second gear 49, an air extracting box 50 is disposed in the box body 1, the air extracting box 50 is located above the first rotating shaft 33, the upper end of the air extracting box 50 is fixedly connected to the top of the inner wall of the box body 1, the sixth rotating shaft 47 penetrates through the air extracting box 50, the sixth rotating shaft 47 is rotatably connected to the wall surface of the air extracting box 50, an air extracting fan 51 is disposed on the sixth rotating shaft 47, the air extracting fan 51 is located in the air extracting box 50, an air extracting cover 52 is disposed at the bottom end of the air extracting box 50, the air extracting cover 52 faces the first rotating shaft 33, one end of the exhaust pipe 53 is communicated with the upper end of the air extraction box 50, and the other end of the exhaust pipe 53 extends out of the box body 1.

The working principle and the beneficial technical effects of the technical scheme are as follows: when the backing plate 23 enters between the first drum 33 and the second drum 34, the fourth rotating shaft 35 will move upwards, the fourth rotating shaft 35 will rotate to drive the second gear 49 to rotate, at this time, because the second gear 49 moves upwards, the second gear 49 is meshed with the first gear 48 to drive the sixth rotating shaft 47 to rotate, the sixth rotating shaft 47 drives the air suction fan 51 to rotate, negative pressure is formed in the air suction box 50, and the air suction cover 52 can suck dust or foreign matters on the bristles of the first drum 33 into the air suction box 50 and discharge the dust or foreign matters out of the box body through the air discharge pipe 53. When the backing plate 23 is replaced, the fourth rotating shaft 35 moves downward, the second gear 49 is disengaged from the first gear 48, the suction fan 51 stops operating, and the suction of dust stops.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A track transport mechanism, comprising: the garbage can comprises a box body (1), wherein a putting-in opening (2) is formed in the upper end of the box body (1), a support (3) is arranged in the box body (1), the two ends of the support (3) in the length direction are connected with the inner wall of the box body (1), a transmission device is arranged on the support (3), the transmission device is located below the putting-in opening (2), and a first garbage can (4) and a second garbage can (5) are arranged below the two sides of the transmission device respectively.

2. A track conveyor as in claim 1 wherein the conveyor comprises: a first crawler wheel (9), a second crawler wheel (10) and a crawler belt (11),

two supporting plates (6) are respectively arranged at two ends of the support (3) in the length direction, the two supporting plates (6) are respectively rotatably connected through a first rotating shaft (7) and a second rotating shaft (8), a first crawler wheel (9) is arranged on the first rotating shaft (7), a second crawler wheel (10) is arranged on the second rotating shaft (8), and the first crawler wheel (9) and the second crawler wheel (10) are connected through a crawler belt (11);

the outer side surface of the supporting plate (6) is provided with a first motor (12), an output shaft of the first motor (12) is connected with an output shaft of a worm gear reducer (13), and an output shaft of the worm gear reducer (13) is connected with the first rotating shaft (7).

3. The track transmission mechanism according to claim 2, wherein a camera (14) is arranged on the top of the inner wall of the box body (1), the camera (14) faces the track (11), a processor (15) is arranged on the top of the inner wall of the box body (1), the camera (14) is connected with the processor (15), and the processor (15) is electrically connected with the processor (15).

4. A track conveyor according to claim 1, wherein the delivery opening (2) is provided with a cover plate (16).

5. The crawler belt conveying mechanism is characterized in that a cover door (17) is arranged at the bottom end of the outer wall of the box body (1), and one side of the cover door (17) is hinged with the outer wall of the box body (1).

6. A track conveyor as claimed in claim 3, wherein the track (11) is provided with an electronic scale (18), the electronic scale (18) being wirelessly connected to the processor (15).

7. A track conveyor according to claim 3, wherein a display is provided on the outer wall of the housing (1), the display being connected to the processor (15).

8. A track conveyor according to claim 1, characterized in that a pallet changing device is provided in the box (1), said pallet changing device comprising:

the box body (1) is internally provided with two baffle plates (19) in the vertical direction, the baffle plates (19) are connected with the inner wall of the box body (1), the left ends and the right ends of the two baffle plates (19) are connected through a connecting plate (20), the lower ends of the two baffle plates (19) are connected through a bottom plate (21), the baffle plates (19) are perpendicular to the bottom plate (21), the bottom plate (21) is provided with a guide groove (22) in the horizontal direction, and the bottom plate (21) is provided with a plurality of backing plates (23);

the fixed block (24) is arranged on the inner wall of the box body (1), the fixed block (24) is located below the bottom plate (21), one end of the swing rod (25) is hinged to the fixed block (24), the other end of the swing rod (25) is connected with the bottom end of the moving plate (26) in the horizontal direction, a shifting block (27) is arranged on the moving plate (26), the shifting block (27) is located on the left side of the base plate (23), and a roller (28) is arranged in the middle of the swing rod (25);

a cam (29) disposed at a right side of the roller (28), a third rotation shaft (30) passing through an axis of the cam (29), the third rotating shaft (30) is connected with the cam (29), the cam (29) is contacted with the roller (28), a second motor (54) is arranged on the inner wall of the box body (1), an output shaft of the second motor (54) is connected with one end of a third rotating shaft (30), the other end of the third rotating shaft (30) is rotationally connected with the inner wall of the box body (1), a first fixing plate (31) is arranged on the inner wall of the box body (1), the first fixing plate (31) is positioned above the cam (29), one end of a first spring (32) is connected with the first fixing plate (31), the other end of the first spring (32) is connected with the upper end of the swing rod (25), and a first chain wheel (36) is arranged on the third rotating shaft (30);

the first rotating drum (33) is arranged at the lower right side of the baffle plate (19), the second rotating drum (34) is arranged below the first rotating drum (33), the first rotating drum (33) is parallel to the second rotating drum (34), the outer wall of the first rotating drum can be contacted, a fourth rotating shaft (35) penetrates through the first rotating drum (33), a fifth rotating shaft (42) penetrates through the second rotating drum (34), a second chain wheel (37) is arranged on the fifth rotating shaft (42), the first chain wheel (36) and the second chain wheel (37) are connected through a chain (38), bristles (39) are arranged on the outer walls of the first rotating drum (33) and the second rotating drum (34), and the crawler belt (11) is positioned at the right side of the second rotating drum (34).