CN220055578U - Material taking device and loading system - Google Patents

Abstract

The utility model relates to the technical field of coal logistics, in particular to a material taking device and a loading system. The utility model provides a material taking device, which comprises: the device comprises a material taking mechanism, a conveying mechanism and a travelling mechanism; the material taking mechanism is connected with the conveying mechanism and used for transferring materials to the conveying mechanism, and the conveying mechanism is used for conveying the materials to a target position; the travelling mechanism is connected with the conveying mechanism and drives the conveying mechanism to move on the ground. The material taking mechanism can automatically scrape materials piled on the ground, the conveying mechanism can automatically convey the materials to subsequent procedures, and the material taking mechanism is matched with the travelling mechanism, so that the material taking mechanism can cover a larger working space. Compared with the existing loading mode, the loading machine is not required to be used, manual intervention is not required in the whole process, the labor cost and the fuel cost are greatly reduced, and meanwhile, the loading efficiency can be improved.

Description

Material taking device and loading system

Technical Field

The utility model relates to the technical field of coal logistics, in particular to a material taking device and a loading system.

Background

Coal logistics is a service activity integrating coal transportation, storage, processing, distribution, transaction, information and the like.

Coal container stations, namely stations for centralized loading and outward transportation of coal, generally consist of coal storage bins, railway special lines, loading systems and the like, and are intermediate links of coal logistics. The coal storage bin consists of a plurality of dome storage bins, the railway special line is arranged in the middle of the dome storage bins, and coal is stored on two sides of the railway special line. During loading, the carriage drives into the dome storage bin under the traction of the locomotive. In general, loading is usually completed by a loader, and in order to improve loading efficiency, a plurality of loaders are often provided to complete loading through cooperation of a plurality of drivers.

Although loading can be accomplished by the loader, multiple drivers and multiple loaders are required to work simultaneously, and the number of cars often reaches sixty, requiring two hours or more to complete a train. In summary, in the existing loading mode, the labor cost and the fuel cost are too high, and meanwhile, the labor intensity of a driver is too high.

Disclosure of Invention

The utility model solves the problems that: the existing loading mode of the coal container station is to load the coal at a loading machine, so that labor cost and fuel cost are too high, and meanwhile, the labor intensity of a driver is too high.

(II) technical scheme

In order to solve the above technical problems, an embodiment of an aspect of the present utility model provides a material taking device, including: the device comprises a material taking mechanism, a conveying mechanism and a travelling mechanism;

the material taking mechanism is connected with the conveying mechanism and used for transferring materials to the conveying mechanism, and the conveying mechanism is used for conveying the materials to a target position;

the travelling mechanism is connected with the conveying mechanism and drives the conveying mechanism to move on the ground.

Further, the material taking mechanism comprises a material taking bucket wheel and a material taking motor;

the material taking bucket wheel is arranged at the end part of the conveying mechanism;

the material taking motor is in transmission connection with the material taking bucket wheel and drives the material taking bucket wheel to rotate.

Further, the conveying mechanism comprises a plurality of stages of conveying belts which are sequentially arranged, and the travelling mechanisms are arranged in one-to-one correspondence with the conveying belts.

Further, the conveying mechanism further comprises a first rack, wherein the discharging end of the conveying belt far away from the material taking mechanism is connected to the first rack, and the target position is located at the first rack;

the two adjacent stages of the conveying belts can rotate relatively, and/or the conveying belts far away from the material taking mechanism and the first rack can rotate relatively.

Further, the discharge end of the conveyer belt of the previous stage is positioned right above the feed end of the conveyer belt of the next stage.

Further, the conveying mechanism further comprises a second rack;

the second rack comprises a first rack body and a second rack body, and the first rack body is rotationally connected above the second rack body;

the discharge end of the conveying belt at the previous stage is connected with the first frame body, and the feeding end of the conveying belt at the next stage is connected with the second frame body.

Further, the travelling mechanism comprises travelling wheels, a travelling motor and a steering assembly;

the travelling wheel is rotationally connected to the conveying mechanism, and the travelling motor is in transmission connection with the travelling wheel and drives the travelling wheel to rotate;

the steering assembly is used for changing the travelling direction of the travelling wheel.

Further, the steering assembly comprises a steering motor and a transmission group;

the travelling mechanism further comprises a wheel frame, and the travelling wheel is rotatably connected to the wheel frame;

the wheel frame is rotationally connected with the conveying mechanism, and the steering motor is in transmission connection with the wheel frame through the transmission group and drives the wheel frame to rotate.

Further, the device also comprises a telescopic piece, wherein the telescopic piece is arranged between the travelling mechanism and the conveying mechanism;

the telescopic piece is provided with a telescopic end and a fixed end, the fixed end is connected with the telescopic end, and the fixed end drives the telescopic end to stretch;

the fixed end is connected with the travelling mechanism, and the telescopic end is connected with the conveying mechanism.

The embodiment of the utility model further provides a loading system, which comprises the material taking device in any embodiment.

The utility model has the beneficial effects that:

the utility model provides a material taking device, which comprises: the device comprises a material taking mechanism, a conveying mechanism and a travelling mechanism; the material taking mechanism is connected with the conveying mechanism and used for transferring materials to the conveying mechanism, and the conveying mechanism is used for conveying the materials to a target position; the travelling mechanism is connected with the conveying mechanism and drives the conveying mechanism to move on the ground.

The material taking mechanism can automatically scrape materials piled on the ground, the conveying mechanism can automatically convey the materials to subsequent procedures, and the material taking mechanism is matched with the travelling mechanism, so that the material taking mechanism can cover a larger working space. Compared with the existing loading mode, the loading machine is not required to be used, manual intervention is not required in the whole process, the labor cost and the fuel cost are greatly reduced, and meanwhile, the loading efficiency can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a loading system according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a material taking device in a dome storage bin according to an embodiment of the present utility model.

Icon: 1-a material taking mechanism; 11-a material taking bucket wheel;

2-a travelling mechanism; 21-a running wheel; 22-wheel frame;

3-a conveying mechanism; 31-a conveyor belt; 32-a first rack; 33-a second rack; 331-a first frame; 332-a second frame;

4-telescoping member.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 and 2, one embodiment of the present utility model provides a reclaimer device for scraping material deposited on a floor. The extracting device includes: the device comprises a material taking mechanism 1, a conveying mechanism 3 and a travelling mechanism 2; the material taking mechanism 1 is connected with the conveying mechanism 3, the material taking mechanism 1 is used for transferring materials to the conveying mechanism 3, and the conveying mechanism 3 is used for conveying the materials to a target position; the travelling mechanism 2 is connected with the conveying mechanism 3 and drives the conveying mechanism 3 to move on the ground.

The material taking device provided by the embodiment comprises three parts, namely a material taking mechanism 1, a conveying mechanism 3 and a travelling mechanism 2. The material taking mechanism 1 is used for scraping materials accumulated on the ground onto the conveying mechanism 3; the conveying mechanism 3 is used for conveying the materials scraped by the material taking mechanism 1 to a target position; the travelling mechanism 2 is used for driving the conveying mechanism 3 to move on the ground.

In this embodiment, the conveying mechanism 3 has a feeding end and a discharging end, and the material taking mechanism 1 is connected to the feeding end of the conveying mechanism 3.

In this embodiment, the target position is a bin, and the materials stacked on the ground are transferred to the bin by the material taking device in this embodiment and then discharged to the carriage by the bin.

Alternatively, the target location may be a car or the like.

In this embodiment, conveying mechanism 3 one end be provided with feeding mechanism 1, the other end and feed bin intercommunication, subaerial piled up material is scraped to conveying mechanism 3 by feeding mechanism 1 earlier, conveying mechanism 3 again with the material transport to the feed bin in. The travelling mechanism 2 is arranged on the conveying mechanism 3 and drives the conveying mechanism 3 to move on the ground, and materials at different positions can be scraped by the material taking mechanism 1 through the arrangement of the conveying mechanism 3.

According to the material taking device provided by the embodiment of the utility model, the material taking mechanism 1 can automatically scrape materials accumulated on the ground, the conveying mechanism 3 can automatically convey the materials to a subsequent process, and the material taking mechanism 1 can cover a larger working space by matching with the travelling mechanism 2. Compared with the existing loading mode, the material taking device in the embodiment does not need to use a loader, manual intervention is not needed in the whole process, labor cost and fuel cost are greatly reduced, and meanwhile loading efficiency can be improved.

As shown in fig. 1 and fig. 2, the material taking mechanism 1 provided by the embodiment of the utility model includes a material taking bucket wheel 11 and a material taking motor; the reclaimer wheel 11 is arranged at the end part of the conveying mechanism 3; the material taking motor is in transmission connection with the material taking bucket wheel 11 and drives the material taking bucket wheel 11 to rotate.

In the material taking device provided by the embodiment, one end, away from the target position, of the conveying mechanism 3 is provided with a bucket wheel frame 22 for mounting the material taking bucket wheel 11, and the material taking bucket wheel 11 is rotatably connected to the bucket wheel frame 22. The material taking motor is in transmission connection with the material taking bucket wheel 11 and drives the material taking bucket wheel 11 to rotate, for example, the material taking motor is in transmission connection with the material taking bucket wheel 11 through a gear set, a synchronous belt or the like. Under the action of the bucket wheel 11, the accumulated materials on the ground are continuously scraped onto the conveying mechanism 3, and the scraping mechanism is simple in structure and high in scraping efficiency.

It should be noted that the structure and the working principle of the bucket wheel 11 are well known in the art, and will not be described herein.

As shown in fig. 1 and fig. 2, the feeding mechanism 3 includes a plurality of stages of conveying belts 31 sequentially arranged, and the travelling mechanisms 2 are arranged in one-to-one correspondence with the conveying belts 31.

In this embodiment, the conveying mechanism 3 is composed of a plurality of stages of conveying belts 31 which are sequentially communicated, so that the material taking mechanism 1 has a larger working radius.

When the material taking mechanism is used, materials piled on the ground are scraped onto the conveying belt 31 connected with the material taking mechanism 1 by the material taking mechanism 1, and the materials are transferred onto the conveying belt 31 of the next stage by the conveying belt 31 of the next stage.

In this embodiment, the travelling mechanisms 2 are arranged in a one-to-one correspondence with the conveyor belts 31, that is, each stage of conveying treatment corresponds to one driving mechanism, that is, each stage of conveying treatment can realize independent travelling through the driving mechanism corresponding to each stage of conveying treatment, and the material taking mechanism 1 can have a larger operation area and can cover a wider operation space through the driving mechanism corresponding to each stage of conveying treatment.

In this embodiment, the structure of each stage of the conveyor belt 31 is substantially the same, and generally includes a driving roller, a driven roller, a transfer belt and a driving motor, wherein the transfer belt is sleeved on the driving roller and the driven roller, and the driving motor is in transmission connection with the driving roller and drives the driving roller to rotate, for example, the driving motor is in transmission connection with the driving roller through a synchronous belt.

As shown in fig. 1 and fig. 2, the conveying mechanism 3 further includes a first frame 32, and a discharge end of the conveying belt 31 far away from the taking mechanism 1 is connected to the first frame 32, where the target position is located on the first frame 32; the two adjacent stages of the conveying belts 31 can rotate relatively, and/or the conveying belts 31 far away from the material taking mechanism 1 and the first rack 32 can rotate relatively.

For convenience of description, the conveying mechanism 3 is provided with one end of the material taking mechanism 1 as a front end and one end of the target position as a rear end.

In the present embodiment, the conveying mechanism 3 further includes a first frame 32, and the first frame 32 is used for raising the height of the discharge end of the last stage of the conveying belt 31 so that the material can be conveyed to the target position.

The above has mentioned that the target location is a bin, the top of which is open, and the material enters the bin from this open end. By setting the first frame 32 to raise the height of the discharge end of the last stage conveyor belt 31, material can be introduced into the bin from this open end.

In the present embodiment, the conveyor belt 31 has various arrangements.

In one arrangement of the conveyor belts 31, the adjacent two-stage conveyor belts 31 may rotate relatively, so that the feeding mechanism 1 can have a larger working area under the action of the travelling mechanism 2.

In another arrangement of the conveying belt 31, the conveying belt 31 far away from the material taking mechanism 1 and the first frame 32 can rotate relatively, that is, the discharge end of the conveying belt 31 at the last stage is rotationally connected to the first frame 32, so that the material taking mechanism 1 can have a larger working area.

In the third arrangement of the conveyor belts 31, the adjacent two stages of conveyor belts 31 can rotate relatively, and at the same time, the conveyor belt 31 far from the material taking mechanism 1 and the first frame 32 can also rotate relatively. When so arranged, the working area of the take-off mechanism 1 is maximized.

In the present embodiment, the conveyor belt 31 is preferably disposed in the third embodiment.

As shown in fig. 1 and fig. 2, the discharging end of the conveying belt 31 at the previous stage is located right above the feeding end of the conveying belt 31 at the next stage.

In this embodiment, the discharge end of the preceding stage conveyer belt 31 is located directly above the feed end of the following stage conveyer belt 31, so that the materials discharged from the discharge end of the preceding stage conveyer belt 31 can all enter the feed end of the following stage conveyer belt 31, and the materials are prevented from spilling out of the conveyer belt 31.

In this embodiment, a turntable or a rotating shaft is provided on the first frame 32, and is used for rotationally connecting with the discharge end of the last stage conveyor belt 31.

As shown in fig. 1 and fig. 2, the feeding mechanism 3 further includes a second frame 33; the second rack 33 includes a first rack 331 and a second rack 332, and the first rack 331 is rotatably connected above the second rack 332; the discharge end of the conveyer belt 31 at the previous stage is connected to the first frame 331, and the feed end of the conveyer belt 31 at the next stage is connected to the second frame 332.

In the present embodiment, the adjacent two-stage conveyor belts 31 are connected by the second connection. The second frame 33 includes a first frame 331 and a second frame 332, where the first frame 331 is rotatably connected above the second frame 332. Alternatively, the first frame 331 and the second frame 332 may be rotatably connected by a rotating shaft, or may be rotatably connected by a rotating disc. The discharge end of the preceding stage conveyer belt 31 is connected to the first frame 331, and the feed end of the following stage conveyer belt 31 is connected to the second frame 332, so as to satisfy that the discharge end of the preceding stage conveyer belt 31 is located right above the feed end of the following stage conveyer belt 31, and meanwhile, the adjacent two stages of conveyer belts 31 can also rotate relatively.

Alternatively, in the present embodiment, the running gear 2 on the rear stage conveyor 31 may be provided on the second frame 33 for connection with the front stage conveyor 31.

When the scraper is used, preferably, the material below the conveying mechanism 3 can be scraped preferentially, and the walking position is cleaned for the walking mechanism 2.

As shown in fig. 1 and fig. 2, the travelling mechanism 2 provided by the embodiment of the utility model comprises travelling wheels 21, a travelling motor and a steering assembly; the travelling wheel 21 is rotatably connected to the conveying mechanism 3, and the travelling motor is in transmission connection with the travelling wheel 21 and drives the travelling wheel 21 to rotate; the steering assembly is used to change the direction of travel of the running wheels 21.

In the present embodiment, the running gear 2 includes a running wheel 21, a running motor, and a steering assembly. The running wheel 21 is rotatably connected to the conveying mechanism 3, specifically, a wheel frame 22 is disposed below the conveying mechanism 3, and the running wheel 21 is rotatably connected to the wheel frame 22. The traveling motor is in transmission connection with the traveling wheel 21 and drives the traveling wheel 21 to rotate, for example, the traveling motor is in transmission connection with the traveling wheel 21 through a gear set. The steering assembly is also provided on the wheel carrier 22 for changing the travelling direction of the travelling wheel 21, making the conveyor mechanism 3 more flexible.

As shown in fig. 1 and fig. 2, the material taking device provided by the embodiment of the utility model is characterized in that the steering assembly comprises a steering motor and a transmission group; the travelling mechanism 2 further comprises a wheel frame 22, and the travelling wheel 21 is rotatably connected to the wheel frame 22; the wheel frame 22 is rotationally connected with the conveying mechanism 3, and the steering motor is rotationally connected with the wheel frame 22 through the transmission group and drives the wheel frame 22 to rotate.

In the present embodiment, the running gear 2 further includes a wheel frame 22, the wheel frame 22 is used for mounting the running wheel 21, the wheel frame 22 is further rotatably connected to the conveying mechanism 3 so as to be able to change the running direction of the running wheel 21, and the rotation of the wheel frame 22 is driven by the steering assembly.

Specifically, a rotating shaft is provided on the wheel frame 22, and the wheel frame 22 is rotatably connected with the conveying mechanism 3 through the rotating shaft.

In this embodiment, the steering assembly includes a steering motor and a transmission set, where the steering motor is rotationally connected to the wheel frame 22 through the transmission set and drives the wheel frame 22 to rotate, so as to change the traveling direction of the traveling wheel 21.

In this embodiment, the transmission set is a gear set, and the gear set includes at least two gears, for example, two gears, which are a first gear and a second gear, respectively, where the first gear is disposed on the rotating shaft of the wheel carrier 22, and the second gear is disposed on the output shaft of the steering motor, and the first gear is meshed with the second gear.

In this embodiment, the running wheel 21 is optionally a rubber wheel.

The material taking device provided by the embodiment of the utility model, as shown in fig. 1 and 2, further comprises a telescopic piece 4, wherein the telescopic piece 4 is arranged between the travelling mechanism 2 and the conveying mechanism 3; the telescopic piece 4 is provided with a telescopic end and a fixed end, the fixed end is connected with the telescopic end, and the fixed end drives the telescopic end to stretch; the fixed end is connected with the travelling mechanism 2, and the telescopic end is connected with the conveying mechanism 3.

In this embodiment, the material taking device further comprises a telescopic member 4, and the telescopic member 4 is used for adjusting the distance between the conveyor belt 31 and the travelling mechanism 2.

Specifically, the telescopic member 4 is provided between the travelling mechanism 2 and the conveying mechanism 3, and drives the conveying mechanism 3 to rise or fall.

In this embodiment, the telescopic member 4 has a telescopic end and a fixed end, the telescopic end is connected to the fixed end, and the fixed end is used for driving the telescopic end to stretch. One end of the fixed end is connected with the travelling mechanism 2, the other end is connected with the telescopic end, and one end of the telescopic end far away from the fixed end is connected with the conveying mechanism 3.

Alternatively, in this embodiment, the telescopic member 4 may be an oil cylinder, a gas cylinder, an electric cylinder, or the like. The telescopic member 4 in this embodiment employs an oil cylinder.

In this embodiment, by setting the telescopic member 4, the material taking device in this embodiment can adapt to different material heights, and meanwhile, preferably, the telescopic member 4 is disposed between each stage of conveying belt 31 and the travelling mechanism 2, so as to adapt to uneven ground.

In the material taking device provided by the embodiment, the conveying mechanism 3 further comprises a supporting frame, and the driving roll, the driven roll, the driving motor and the like are all arranged on the supporting frame. The end of the telescoping end away from the fixed end is connected to the support frame, and the fixed end is connected to the wheel frame 22.

In the material taking device provided by the embodiment of the utility model, specifically, as shown in fig. 1 and fig. 2, taking a material as coal, the conveying mechanism 3 includes two stages of conveying belts 31, and the two stages of conveying belts 31 are respectively exemplified by a first conveying belt and a second conveying belt. Correspondingly, the travelling mechanism 2 corresponding to the first conveying belt is a first travelling mechanism, and the travelling mechanism 2 corresponding to the second conveying belt is a second travelling mechanism.

In this embodiment, during the use, through first running gear and second running gear cooperation, remove the bucket wheel 11 to suitable position after, start second conveyer belt, first conveyer belt and get the material motor in proper order, equipment begins work, and first conveyer belt is raised to first hydro-cylinder (with first running gear complex extensible member 4), makes the bucket wheel 11 scrape the coal of getting the upper end earlier, along with constantly scraping, first hydro-cylinder constantly contracts. When the coal below the bucket wheel 11 is scraped completely, the second travelling mechanism moves, so that the bucket wheel 11 scrapes the coal below the second conveying belt preferentially, and a travelling space is opened up for the second travelling mechanism.

The utility model further provides a loading system, which comprises the material taking device according to any embodiment.

In this embodiment, the reclaimer device further includes a silo disposed in the first frame 32.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct or indirect through an intermediate medium, or may be internal to two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. A take-out device, comprising: the device comprises a material taking mechanism (1), a conveying mechanism (3) and a travelling mechanism (2);

the material taking mechanism (1) is connected with the conveying mechanism (3), the material taking mechanism (1) is used for transferring materials to the conveying mechanism (3), and the conveying mechanism (3) is used for conveying the materials to a target position;

the travelling mechanism (2) is connected with the conveying mechanism (3) and drives the conveying mechanism (3) to move on the ground.

2. The reclaimer device according to claim 1, wherein the reclaimer mechanism (1) comprises a reclaimer wheel (11) and a reclaimer motor;

the material taking bucket wheel (11) is arranged at the end part of the conveying mechanism (3);

the material taking motor is in transmission connection with the material taking bucket wheel (11) and drives the material taking bucket wheel (11) to rotate.

3. The material taking device according to claim 1, wherein the conveying mechanism (3) comprises a plurality of stages of conveying belts (31) which are sequentially arranged, and the travelling mechanisms (2) are arranged in one-to-one correspondence with the conveying belts (31).

4. A pick-up device according to claim 3, wherein the conveyor (3) further comprises a first frame (32), a discharge end of the conveyor belt (31) remote from the pick-up mechanism (1) being connected to the first frame (32), the target location being located at the first frame (32);

the two adjacent stages of the conveying belts (31) can rotate relatively, and/or the conveying belts (31) far away from the material taking mechanism (1) and the first rack (32) can rotate relatively.

5. The material taking device according to claim 4, wherein the discharge end of the conveyor belt (31) of the previous stage is located right above the feed end of the conveyor belt (31) of the next stage.

6. The reclaimer device according to claim 5, wherein the transport mechanism (3) further comprises a second frame (33);

the second rack (33) comprises a first rack body (331) and a second rack body (332), and the first rack body (331) is rotatably connected above the second rack body (332);

the discharge end of the conveying belt (31) at the previous stage is connected with the first frame body (331), and the feeding end of the conveying belt (31) at the next stage is connected with the second frame body (332).

7. The material taking device according to claim 1, characterized in that the travelling mechanism (2) comprises travelling wheels (21), a travelling motor and a steering assembly;

the travelling wheel (21) is rotationally connected to the conveying mechanism (3), and the travelling motor is in transmission connection with the travelling wheel (21) and drives the travelling wheel (21) to rotate;

the steering assembly is used for changing the travelling direction of the travelling wheel (21).

8. The reclaimer device of claim 7, wherein the steering assembly comprises a steering motor and a drive train;

the travelling mechanism (2) further comprises a wheel frame (22), and the travelling wheel (21) is rotatably connected to the wheel frame (22);

the wheel frame (22) is rotationally connected with the conveying mechanism (3), and the steering motor is in transmission connection with the wheel frame (22) through the transmission group and drives the wheel frame (22) to rotate.

9. The material taking device according to claim 1, further comprising a telescopic member (4), the telescopic member (4) being arranged between the travelling mechanism (2) and the conveying mechanism (3);

the telescopic piece (4) is provided with a telescopic end and a fixed end, the fixed end is connected with the telescopic end, and the fixed end drives the telescopic end to stretch;

the fixed end is connected with the travelling mechanism (2), and the telescopic end is connected with the conveying mechanism (3).

10. A loading system comprising a take-off device as claimed in any one of claims 1 to 9.