CN111301942B

CN111301942B - Conveyor

Info

Publication number: CN111301942B
Application number: CN202010125833.6A
Authority: CN
Inventors: 崔禹; 宫文新; 纪洪凯; 谭宗保; 季延风; 周艳明; 李林杰
Original assignee: CRRC Qiqihar Rolling Stock Co Ltd
Current assignee: CRRC Qiqihar Rolling Stock Co Ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2021-03-09
Anticipated expiration: 2040-02-27
Also published as: CN111301942A

Abstract

The present invention provides a conveyor, comprising: a base; the moving platform is movably arranged on the base along a preset direction; the first conveying part extends along a preset direction; a second conveying section having a first end abutting the first conveying section, the second conveying section being swingably provided in a horizontal direction with respect to the first conveying section; and a third conveying section that is butted against a second end of the second conveying section, the third conveying section being swingably provided in the vertical direction with respect to the second conveying section. The angle through adjusting second conveying part and third conveying part can realize carrying the variable angle of goods, through adjusting the adjustable conveying position in movable platform position on the base, has greatly improved the use flexibility of conveyer, and when using, the operation is carried in the third conveying part can stretch into narrow spaces such as carriage, has improved conveying efficiency effectively.

Description

Conveyor

Technical Field

The invention relates to conveying equipment, in particular to a conveyor.

Background

At present, in the process of loading and unloading goods, conveying equipment such as a belt conveyor is generally adopted to convey the goods.

The existing conveying equipment such as a belt conveyor has the problem of poor use flexibility when in use, and the existing conveying equipment can only convey goods to a fixed area after being installed, so that operators are required to carry the goods for more secondary transportation; in addition, it is generally used only in a wide space, and it is difficult to deliver goods into a narrow space such as a vehicle cabin.

Disclosure of Invention

The invention mainly aims to provide a conveyor to solve the problem that conveying equipment in the prior art is poor in use flexibility.

In order to achieve the above object, the present invention provides a conveyor comprising: a base; the moving platform is movably arranged on the base along a preset direction; the first conveying part extends along a preset direction; a second conveying section having a first end abutting the first conveying section, the second conveying section being swingably provided in a horizontal direction with respect to the first conveying section; and a third conveying section that is butted against a second end of the second conveying section, the third conveying section being swingably provided in the vertical direction with respect to the second conveying section.

Further, the third conveying section is telescopically arranged to adjust the conveying length of the third conveying section.

Furthermore, the number of the first conveying part, the second conveying part and the third conveying part is two; the two second conveying parts are positioned between the two third conveying parts, and the two first conveying parts are mutually butted and positioned between the two second conveying parts.

Further, the first conveying part comprises a plurality of first conveying lines arranged in parallel, and the conveying length of each first conveying line is adjustably set; the second conveying section includes a plurality of second conveying lines arranged side by side, and the conveying length of each of the second conveying lines is adjustably set.

Further, the first transfer line and the second transfer line each include: the device comprises a first support, a second support and a third support, wherein the first support is provided with a first support roller and a first guide roller which are arranged at intervals along a first direction; the second support is movably arranged relative to the first support along a first direction, a second supporting roller and a second guide roller are arranged on the second support, the second supporting roller and the second guide roller are arranged at intervals along the first direction, the first supporting roller and the second supporting roller are arranged at intervals along the first direction, and the second guide roller is positioned on one side, far away from the second supporting roller, of the first guide roller; the conveying belt sequentially bypasses the first supporting roller, the first guide roller, the second guide roller and the second supporting roller to form a closed-loop structure.

Further, the conveyor includes a driving member rotatably disposed about a predetermined axis; each second support of the first conveying part and each second support of the second conveying part are connected with the driving part so as to drive each second support of the first conveying part and each second support of the second conveying part to move when the driving part rotates.

Furthermore, a first strip-shaped groove is formed in the upper surface of the driving piece, each second support of the first conveying part is provided with a first connecting portion, each first connecting portion comprises a first roller, each first roller is installed in the first strip-shaped groove, and each first roller is arranged in a rolling mode along the extending direction of the first strip-shaped groove; the lower surface of driving piece is equipped with second bar groove, and each second support of second conveying part all has the second connecting portion, and each second connecting portion all includes the second gyro wheel, and each second gyro wheel is all installed in second bar groove, and each second gyro wheel can set up along the extending direction of second bar groove rollably.

Further, the plurality of second supports of the first conveying part and the plurality of second supports of the second conveying part are arranged in a one-to-one correspondence manner; the conveyor comprises a plurality of transition wheels, and each transition wheel is arranged between each second bracket of the first conveying part and each second bracket of the second conveying part in a one-to-one correspondence manner; each transition wheel is connected with each first connecting part in a one-to-one correspondence manner so as to move along with the corresponding first connecting part; wherein, each transition wheel is rotatably arranged around the axis thereof, and the axis of each transition wheel is arranged along the vertical direction.

Further, the conveyor comprises a first driving structure, the first driving structure is connected with the second conveying part to drive the second conveying part to swing, and the first driving structure is connected with the driving part to drive the driving part to rotate around a preset axis.

Further, the first driving structure includes: a first drive gear rotatably provided on the body frame of the second conveying section about an axis thereof; the first rotary driving source is connected with the first driving gear so as to drive the first driving gear to rotate; a fixed gear engaged with the first drive gear; the second driving gear is coaxially connected with the first driving gear so as to rotate along with the first driving gear; and the third driving gear is connected with the driving piece.

Further, the pitch circle diameter of the first driving gear is Da, the pitch circle diameter of the fixed gear is Db, the pitch circle diameter of the second driving gear is Dc, and the pitch circle diameter of the third driving gear is Dd; wherein Da/Db/Dc/Dd is 2.

Further, the conveyor comprises a second driving structure and a guide structure, wherein the second driving structure is connected with the moving platform to drive the moving platform to move; at least part of the guide structure extends along a preset direction to guide the movement of the moving platform.

Furthermore, the guide structure comprises a guide roller arranged on the moving platform and a strip-shaped groove arranged on the base; the strip-shaped groove extends along a preset direction, and the guide rollers can be arranged along the extending direction of the strip-shaped groove in a rolling mode.

Further, the second driving structure includes: two chain wheels are arranged and are respectively and correspondingly arranged at two opposite ends of the base; the second rotary driving source is connected with one of the two chain wheels so as to drive the chain wheels to rotate; the chain is sleeved on the two chain wheels and connected with the moving platform.

Furthermore, the number of the guide rollers is two, and the two groups of guide rollers are arranged at intervals along the preset direction; the position of the moving platform between the two groups of guide rollers is provided with a mounting seat, and the chain is connected with the mounting seat.

Furthermore, a plurality of wheels and a plurality of supporting legs are arranged on the base; a plurality of legs are disposed around the plurality of wheels, each leg being telescopically arranged to contact the ground when each leg is extended to secure the main body portion of the conveyor.

Furthermore, each landing leg all includes the pneumatic cylinder, and the conveyer has hydraulic pressure station, and hydraulic pressure station is connected with each pneumatic cylinder through the pipeline in order to carry hydraulic oil to each pneumatic cylinder to drive each pneumatic cylinder and stretch out and draw back.

The conveyor applying the technical scheme of the invention comprises: a base; the moving platform is movably arranged on the base along a preset direction; the first conveying part extends along a preset direction; a second conveying section having a first end abutting the first conveying section, the second conveying section being swingably provided in a horizontal direction with respect to the first conveying section; and a third conveying section that is butted against a second end of the second conveying section, the third conveying section being swingably provided in the vertical direction with respect to the second conveying section. Can realize carrying the variable angle of goods through the angle of adjusting between second conveying part and the first conveying part, can realize carrying the variable angle of goods through the angle of adjusting between third conveying part and the second conveying part, can carry first conveying part through adjusting the position of moving platform on the base, the second conveying part, the holistic regulation is carried out to the position of third conveying part, greatly improved the use flexibility of conveyer, when using, the operation is carried in the third conveying part can stretch into narrow spaces such as carriage, transport efficiency has been improved effectively.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, 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 shows a schematic structural view of an embodiment of a conveyor according to the invention in a first mode of operation;

fig. 2 shows a schematic view from a first perspective of a first partial structure of a conveyor according to the invention in a first state;

fig. 3 shows a schematic view from a first perspective of a first partial structure of a conveyor according to the invention in a second state;

fig. 4 shows a schematic view from a second perspective of a first part-structure of a conveyor according to the invention in a first state;

fig. 5 shows an enlarged schematic view of a first region of a first partial structure of the conveyor according to fig. 4;

fig. 6 shows an enlarged schematic view of a second region of the first partial structure of the conveyor according to fig. 4;

fig. 7 shows an enlarged schematic view of a third region of the conveyor according to fig. 1;

FIG. 8 shows a schematic structural view of an embodiment of a conveyor according to the invention in a second mode of operation;

FIG. 9 shows a schematic structural view of an embodiment of a conveyor according to the invention in a third mode of operation;

FIG. 10 shows a schematic structural view of an embodiment of a conveyor according to the invention in a fourth mode of operation;

fig. 11 shows a schematic structural view of an embodiment of the conveyor according to the invention at a first moment in time when loading and unloading goods into the car;

fig. 12 shows a schematic view of the embodiment of the conveyor according to the invention at a second moment in time when loading and unloading goods into the car;

fig. 13 shows a schematic structural view of an embodiment of the conveyor according to the invention at a third moment of unloading into the car.

Wherein the figures include the following reference numerals:

1. a base; 11. a sprocket; 12. a wheel; 13. a support leg; 2. a mobile platform; 21. a guide roller; 3. a first conveying section; 31. a first conveyor line; 4. a second conveying section; 41. a second conveyor line; 5. a third conveying section; 10. a first bracket; 101. a first support roller; 102. a first guide roller; 20. a second bracket; 201. a second support roller; 202. a second guide roller; 203. a first roller; 204. a second roller; 30. a conveyor belt; 40. a drive member; 50. a transition wheel; 100. a first drive gear; 200. fixing a gear; 300. a second drive gear; 400. a third drive gear.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 13, the present invention provides a conveyor, including: a base 1; the moving platform 2 is movably arranged on the base 1 along a preset direction; the first conveying part 3, the first conveying part 3 extends and sets up along preserving the direction; a second conveying section 4, a first end of the second conveying section 4 being butted against the first conveying section 3, the second conveying section 4 being swingably provided in a horizontal direction with respect to the first conveying section 3; and a third conveying section 5, the third conveying section 5 abutting against a second end of the second conveying section 4, the third conveying section 5 being swingably provided in the vertical direction with respect to the second conveying section 4.

The conveyor of the present invention comprises: a base 1; the moving platform 2 is movably arranged on the base 1 along a preset direction; the first conveying part 3, the first conveying part 3 extends and sets up along preserving the direction; a second conveying section 4, a first end of the second conveying section 4 being butted against the first conveying section 3, the second conveying section 4 being swingably provided in a horizontal direction with respect to the first conveying section 3; and a third conveying section 5, the third conveying section 5 abutting against a second end of the second conveying section 4, the third conveying section 5 being swingably provided in the vertical direction with respect to the second conveying section 4. That is, the second conveying section 4 is disposed swingably about an axis in the vertical direction with respect to the first conveying section 3; the third conveyor section 5 is arranged swingably about an axis in the horizontal direction with respect to the second conveyor section 4. Can realize carrying the variable angle of goods through adjusting the angle between second conveying part 4 and the first conveying part 3, can realize carrying the variable angle of goods through adjusting the angle between third conveying part 5 and the second conveying part 4, can carry out holistic regulation to first conveying part 3 through adjusting the position of moving platform 2 on base 1, second conveying part 4, the position of third conveying part 5, greatly improved the use flexibility of conveyer, when using, the operation is carried in the narrow space such as carriage can be stretched into to third conveying part 5, the conveying efficiency is effectively improved.

In order to be able to flexibly convey goods to further locations and to increase the flexibility of the conveying operation, the third conveying section 5 is telescopically arranged to adjust the conveying length of the third conveying section 5.

As shown in fig. 11 to 13, by adopting the above-mentioned structural design, the third conveying part 5 of the conveyor can flexibly convey goods to various positions in the carriage, and the conveying flexibility is improved.

In the present embodiment, the number of the first conveying section 3, the second conveying section 4, and the third conveying section 5 is two; two second conveyor sections 4 are located between two third conveyor sections 5 and two first conveyor sections 3 are butted against each other and located between two second conveyor sections 4. Thus, when in use, one of the third conveying parts 5 can be used as a loading station, and the other third conveying part 5 can be used as a discharging station, so that the loading station and the discharging station can be adjusted according to the field condition, and the use flexibility of the conveyor is greatly improved.

Specifically, the first conveying section 3 includes a plurality of first conveying lines 31 arranged in parallel, and the conveying length of each first conveying line 31 is adjustably set; the second conveying section 4 includes a plurality of second conveying lines 41 arranged side by side, and the conveying length of each second conveying line 41 is adjustably set. Therefore, when the second conveying part 4 swings relative to the first conveying part 3, the first conveying part 3 and the second conveying part 4 can always keep good butt joint by adjusting the lengths of the first conveying lines 31 and the second conveying lines 41, and the stability of conveying goods is ensured.

In order to flexibly and stably realize the expansion and contraction of the first conveying line 31 and the second conveying line 41, each of the first conveying line 31 and the second conveying line 41 includes: the device comprises a first support 10, wherein a first support roller 101 and a first guide roller 102 are arranged on the first support 10, and the first support roller 101 and the first guide roller 102 are arranged at intervals along a first direction; the second bracket 20 is movably arranged along a first direction relative to the first bracket 10, a second supporting roller 201 and a second guiding roller 202 are arranged on the second bracket 20, the second supporting roller 201 and the second guiding roller 202 are arranged at intervals along the first direction, the first supporting roller 101 and the second supporting roller 201 are arranged at intervals along the first direction, and the second guiding roller 202 is positioned on one side of the first guiding roller 102 far away from the second supporting roller 201; the conveyer belt 30, conveyer belt 30 forms closed loop after bypassing first supporting roller 101, first guide roller 102, second guide roller 202, second supporting roller 201 in proper order.

In addition, in order to ensure the smoothness of the movement of the second bracket 20 relative to the first bracket 10, a sliding block is arranged on the first bracket 10, a sliding rail extending along a preset direction is arranged on the second bracket 20, and the sliding rail is matched with the sliding block to guide the movement of the second bracket.

In the present embodiment, the conveyor includes a driving member 40, the driving member 40 being rotatably provided about a predetermined axis; each of the second supports 20 of the first conveying part 3 and each of the second supports 20 of the second conveying part 4 are connected to the driving member 40 to move each of the second supports 20 of the first conveying part 3 and each of the second supports 20 of the second conveying part 4 when the driving member 40 rotates, so that the lengths of each of the first conveying lines 31 and each of the second conveying lines 41 are adjusted, and the accuracy of the adjustment is ensured.

In order to ensure that the driving member 40 can smoothly rotate, reduce the abrasion at the turning position of the conveyer belt and ensure the service life, the upper surface of the driving member 40 is provided with a first strip-shaped groove, each second bracket 20 of the first conveying part 3 is provided with a first connecting part, each first connecting part comprises a first roller 203, each first roller 203 is arranged in the first strip-shaped groove, and each first roller 203 is arranged along the extending direction of the first strip-shaped groove in a rolling manner; the lower surface of the driving member 40 is provided with a second strip-shaped groove, each second support 20 of the second conveying part 4 is provided with a second connecting portion, each second connecting portion comprises a second roller 204, each second roller 204 is installed in the second strip-shaped groove, and each second roller 204 is rollably arranged along the extending direction of the second strip-shaped groove.

In order to further improve the smoothness of the goods transportation, the plurality of second brackets 20 of the first transportation part 3 and the plurality of second brackets 20 of the second transportation part 4 are arranged in one-to-one correspondence; the conveyor includes a plurality of transition wheels 50, each of the transition wheels 50 being disposed between each of the second supports 20 of the first conveying portion 3 and each of the second supports 20 of the second conveying portion 4 in one-to-one correspondence; each transition wheel 50 is connected to each first connection portion in one-to-one correspondence to move with the corresponding first connection portion; wherein each transition wheel 50 is rotatably disposed about its axis, and the axis of each transition wheel 50 is disposed in a vertical direction. Like this, the transition wheel 50 can support the goods and steadily pass through the clearance between first conveying part 3 and the second conveying part 4, reduces phenomenons such as colliding with, vibration to the goods, is favorable to improving the protection effect to the goods.

In particular, the conveyor comprises a first drive structure connected to the second conveyor section 4 to drive the second conveyor section in oscillation, the first drive structure being connected to the drive member 40 to drive the drive member 40 in rotation about a predetermined axis. By adopting the first driving structure, the second conveying part 4 and the driving member 40 can be driven at the same time, and the problem of unsmooth turning action caused by errors when two driving structures are used is avoided.

Specifically, the first driving structure includes: a first drive gear 100, the first drive gear 100 being rotatably provided on the body frame of the second conveying section 4 about its axis; a first rotation driving source connected to the first driving gear 100 to drive the first driving gear 100 to rotate; a fixed gear 200, the fixed gear 200 being engaged with the first driving gear 100; a second driving gear 300, the second driving gear 300 being coaxially connected with the first driving gear 100 to rotate with the first driving gear 100; a third driving gear 400, the third driving gear 400 being connected with the driving member 40. When the first driving gear 100 rotates, the second conveying portion 4 can be driven to rotate integrally by meshing with the fixed gear 200; and, the first driving gear 100 coaxially drives the second driving gear 300 to rotate, and the second driving gear is meshed with the third driving gear 400, so as to drive the driving member 40 to rotate, thereby realizing the simultaneous driving of the second conveying part 4 and the driving member 40.

In order to enable the driving element 40 to have the same driving effect on the first conveying part 3 and the second conveying part 4, so as to ensure the smoothness of the conveying line during turning, the reference circle diameter of the first driving gear 100 is Da, the reference circle diameter of the fixed gear 200 is Db, the reference circle diameter of the second driving gear 300 is Dc, and the reference circle diameter of the third driving gear 400 is Dd; wherein Da/Db/Dc/Dd is 2.

In order to enable the moving platform 2 to stably move on the base 1, the conveyor comprises a second driving structure and a guiding structure, wherein the second driving structure is connected with the moving platform 2 to drive the moving platform 2 to move; at least a portion of the guide structure extends in a predetermined direction to guide the movement of the movable platform 2.

Specifically, the guide structure comprises a guide roller 21 arranged on the moving platform 2 and a strip-shaped groove arranged on the base 1; the strip-shaped groove extends along a preset direction, and the guide roller 21 is arranged along the extending direction of the strip-shaped groove in a rolling manner.

The second driving structure includes: two chain wheels 11 are arranged, and the two chain wheels 11 are respectively and correspondingly arranged at two opposite ends of the base 1; a second rotary drive source connected to one of the two sprockets 11 to drive the sprocket 11 to rotate; the chain is sleeved on the two chain wheels 11 and connected with the moving platform 2.

Specifically, the guide rollers 21 are two groups, and the two groups of guide rollers 21 are arranged at intervals along the preset direction; the position of the moving platform 2 between the two groups of guide rollers 21 is provided with a mounting seat, and the chain is connected with the mounting seat. Therefore, a stable driving effect can be achieved, and shaking or deviation caused by unbalanced stress of the mobile platform 2 is avoided.

In addition, a plurality of wheels 12 and a plurality of supporting legs 13 are arranged on the base 1; a plurality of legs 13 are provided around the plurality of wheels 12, each leg 13 being telescopically arranged to contact the ground when each leg 13 is extended to secure the main part of the conveyor. Can conveniently shift the conveyer through a plurality of wheels 12, when the conveyer shifts the operating position, through making a plurality of landing legs 13 extension, can fix the conveyer at operating position steadily, reduce the risk of rocking or slope, guarantee to carry the stability of operation.

Specifically, each leg 13 includes a hydraulic cylinder, and the conveyor has a hydraulic station connected to each hydraulic cylinder through a pipeline to convey hydraulic oil to each hydraulic cylinder to drive each hydraulic cylinder to extend and retract.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

the conveyor of the present invention comprises: a base 1; the moving platform 2 is movably arranged on the base 1 along a preset direction; the first conveying part 3, the first conveying part 3 extends and sets up along preserving the direction; a second conveying section 4, a first end of the second conveying section 4 being butted against the first conveying section 3, the second conveying section 4 being swingably provided in a horizontal direction with respect to the first conveying section 3; and a third conveying section 5, the third conveying section 5 abutting against a second end of the second conveying section 4, the third conveying section 5 being swingably provided in the vertical direction with respect to the second conveying section 4. Can realize carrying the variable angle of goods through adjusting the angle between second conveying part 4 and the first conveying part 3, can realize carrying the variable angle of goods through adjusting the angle between third conveying part 5 and the second conveying part 4, can carry out holistic regulation to first conveying part 3 through adjusting the position of moving platform 2 on base 1, second conveying part 4, the position of third conveying part 5, greatly improved the use flexibility of conveyer, when using, the operation is carried in the narrow space such as carriage can be stretched into to third conveying part 5, the conveying efficiency is effectively improved.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. A conveyor, comprising:

a base (1);

the moving platform (2), the moving platform (2) is movably arranged on the base (1) along a preset direction;

the first conveying part (3), the first conveying part (3) extends along the preset direction;

a second conveying section (4), a first end of the second conveying section (4) being butted against the first conveying section (3), the second conveying section (4) being swingably provided in a horizontal direction with respect to the first conveying section (3);

a third conveying section (5), the third conveying section (5) being butted against a second end of the second conveying section (4), the third conveying section (5) being swingably provided in a vertical direction with respect to the second conveying section (4);

the first conveying part (3), the second conveying part (4) and the third conveying part (5) are all arranged on the moving platform (2);

the number of the first conveying part (3), the second conveying part (4) and the third conveying part (5) is two; the two second conveying parts (4) are positioned between the two third conveying parts (5), and the two first conveying parts (3) are mutually butted and positioned between the two second conveying parts (4);

the first conveying part (3) comprises a plurality of first conveying lines (31) which are arranged in parallel, and the conveying length of each first conveying line (31) is adjustably arranged; the second conveying part (4) comprises a plurality of second conveying lines (41) which are arranged in parallel, and the conveying length of each second conveying line (41) is adjustably set;

the first conveyor line (31) and the second conveyor line (41) each include: the device comprises a first bracket (10), wherein a first supporting roller (101) and a first guide roller (102) are arranged on the first bracket (10), and the first supporting roller (101) and the first guide roller (102) are arranged at intervals along a first direction; the second bracket (20) is movably arranged along the first direction relative to the first bracket (10), a second supporting roller (201) and a second guiding roller (202) are arranged on the second bracket (20), the second supporting roller (201) and the second guiding roller (202) are arranged at intervals along the first direction, the first supporting roller (101) and the second supporting roller (201) are arranged at intervals along the first direction, and the second guiding roller (202) is positioned on one side of the first guiding roller (102) far away from the second supporting roller (201); the conveying belt (30), the conveying belt (30) is walked around in proper order first supporting roller (101), first guide roll (102), second guide roll (202) form closed loop structure behind second supporting roller (201).

2. Conveyor according to claim 1, characterized in that the third conveying section (5) is telescopically arranged to adjust the conveying length of the third conveying section (5).

3. A conveyor according to claim 1, characterized in that the conveyor comprises a drive element (40), which drive element (40) is rotatably arranged about a predetermined axis; each second support (20) of the first conveying part (3) and each second support (20) of the second conveying part (4) is connected with the driving part (40) so as to drive each second support (20) of the first conveying part (3) and each second support (20) of the second conveying part (4) to move when the driving part (40) rotates.

4. A conveyor according to claim 3, wherein the upper surface of the driving member (40) is provided with a first strip-shaped groove, each of the second brackets (20) of the first conveying part (3) has a first connecting portion, each of the first connecting portions comprises a first roller (203), each of the first rollers (203) is mounted in the first strip-shaped groove, and each of the first rollers (203) is rollably arranged in the extending direction of the first strip-shaped groove;

the lower surface of driving piece (40) is equipped with second bar recess, each of second conveyor section (4) second support (20) all has the second connecting portion, each the second connecting portion all include second gyro wheel (204), each second gyro wheel (204) all install in the second bar recess, each second gyro wheel (204) are followed the extending direction of second bar recess sets up rollably.

5. A conveyor according to claim 4, wherein a plurality of said second carriages (20) of said first conveying section (3) and a plurality of said second carriages (20) of said second conveying section (4) are arranged in a one-to-one correspondence; the conveyor comprises a plurality of transition wheels (50), and each transition wheel (50) is arranged between each second bracket (20) of the first conveying part (3) and each second bracket (20) of the second conveying part (4) in a one-to-one correspondence manner; each transition wheel (50) is connected with each first connection part in a one-to-one correspondence manner so as to move along with the corresponding first connection part; wherein each transition wheel (50) is rotatably arranged around the axis thereof, and the axis of each transition wheel (50) is arranged along the vertical direction.

6. A conveyor according to claim 3, comprising a first drive arrangement connected to the second conveying section (4) for driving the second conveying section to oscillate, the first drive arrangement being connected to the drive member (40) for driving the drive member (40) to rotate about the predetermined axis.

7. The conveyor of claim 6, wherein the first drive structure comprises:

a first drive gear (100), the first drive gear (100) being rotatably provided on a body frame of the second conveying section (4) about an axis thereof;

a first rotary drive source connected to the first drive gear (100) to drive the first drive gear (100) to rotate;

a fixed gear (200), the fixed gear (200) meshing with the first drive gear (100);

a second drive gear (300), the second drive gear (300) being coaxially connected with the first drive gear (100) to rotate with the first drive gear (100);

a third drive gear (400), the third drive gear (400) being connected with the drive member (40).

8. Conveyor according to claim 7, characterized in that the first driving gear (100) has a pitch circle diameter Da, the fixed gear (200) has a pitch circle diameter Db, the second driving gear (300) has a pitch circle diameter Dc, and the third driving gear (400) has a pitch circle diameter Dd; wherein, (Da/Db)/(Dc/Dd) = 2.

9. A conveyor according to claim 1, characterized in that it comprises a second drive structure connected to the mobile platform (2) to drive the mobile platform (2) in movement, and a guide structure; at least part of the guide structure extends along the preset direction to guide the movement of the moving platform (2).

10. The conveyor according to claim 9, characterized in that the guide structure comprises guide rollers (21) mounted on the moving platform (2) and a strip-shaped groove provided on the base (1); the strip-shaped groove is arranged in an extending mode in the preset direction, and the guide roller (21) is arranged in a rolling mode in the extending direction of the strip-shaped groove.

11. The conveyor of claim 10, wherein the second drive structure comprises:

the number of the chain wheels (11) is two, and the two chain wheels (11) are correspondingly arranged at two opposite ends of the base (1) respectively;

a second rotary driving source which is connected with one of the two chain wheels (11) to drive the chain wheel (11) to rotate;

the chain, the chain cover sets up two on sprocket (11), the chain with moving platform (2) are connected.

12. A conveyor according to claim 11, wherein said guide rollers (21) are in two groups, two groups of said guide rollers (21) being spaced apart along said predetermined direction; and a mounting seat is arranged at the position, between the two groups of guide rollers (21), of the moving platform (2), and the chain is connected with the mounting seat.

13. Conveyor according to claim 1, characterized in that the base (1) is equipped with a plurality of wheels (12) and a plurality of legs (13); a plurality of said legs (13) are arranged around a plurality of said wheels (12), each said leg (13) being telescopically arranged to contact the ground when each said leg (13) is extended to secure the main part of the conveyor.

14. A conveyor according to claim 13, wherein each leg (13) comprises a hydraulic cylinder, the conveyor having a hydraulic station connected to each cylinder by a conduit for delivering hydraulic oil thereto to drive each cylinder to extend and retract.