CN112591365A

CN112591365A - Shuttle vehicle

Info

Publication number: CN112591365A
Application number: CN202011611721.8A
Authority: CN
Inventors: 丁勇; 曾岩
Original assignee: Tianhai Oukang Technology Information Xiamen Co ltd
Current assignee: Tianhai Oukang Technology Information Xiamen Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-04-02

Abstract

The invention discloses a shuttle vehicle, comprising: the driving wheel and the driven wheel are respectively and coaxially fixed with a driving chain wheel at one side close to the vertical plate, and a plurality of driving chain wheels at the same side are jointly sleeved with a pair of chains I in a transmission way; the driving device comprises a driving motor and a first output shaft, the driving motor is in transmission connection with the first output shaft, and two ends of the first output shaft are respectively coaxially fixed with the driving wheels; and the control system comprises a super capacitor. According to the shuttle vehicle, the driving chain wheels are coaxially fixed on the driving wheels and the driven wheels of the shuttle vehicle, and the driving chain wheels are sleeved with the pair of chains I; drive driving motor through setting up super capacitor, this setting can be quick charge it.

Description

Shuttle vehicle

Technical Field

The invention relates to the field of logistics equipment, in particular to a shuttle vehicle.

Background

Shuttle car is the more commonly used equipment that is used for material transfer and stores in present commodity circulation field, and current shuttle car is two wheel drive generally, is provided with the action wheel and follows the driving wheel, does not have power input from the driving wheel, but when the year thing of shuttle car is overweight, when through great ground clearance, takes place easily to stop the problem of walking in the ground clearance from the driving wheel card. Moreover, most shuttle cars are all controlled through cable and switch board connection at present, need longer time of stopping charging after operation a period of time, on the one hand the wire cable control's shuttle board is owing to need arrange wire cable, inside and external connection circuit are many, the structure is complicated, and it is very inconvenient to use, on the other hand equipment need shut down longer time and come to charge it, the aforesaid directly leads to the shuttle car can't carry out the work of continuity, serious even can influence the transport of article, storage efficiency.

Therefore, how to provide a shuttle car which can overcome the above problems is a problem to be solved by those skilled in the art.

Disclosure of Invention

In view of this, the invention provides a shuttle vehicle. The problem of shuttle car trafficability characteristic not good and charge time long is solved.

In order to achieve the purpose, the invention adopts the following technical scheme:

a shuttle car comprising:

the whole base plate is rectangular, and vertical plates which are parallel to each other are vertically arranged on two long side edges of the base plate;

the traveling device comprises two driving wheels and a plurality of driven wheels, the two driving wheels and the plurality of driven wheels are uniformly distributed on two sides of the chassis and correspond to each other in position, the wheel centers of the driven wheels are perpendicular to the plate surface of the vertical plate and are rotatably connected with the plate surface of the vertical plate, the wheel centers of the driving wheels and the driven wheels are parallel and are respectively and coaxially fixed with a driving chain wheel on one side close to the vertical plate, and the geometric centers of the driving chain wheels on the same side of the chassis are coplanar and are jointly sleeved with a pair of chains I in a transmission manner;

the driving device comprises a driving motor and a first output shaft, the driving motor is fixed on the chassis and is in transmission connection with the first output shaft, and two ends of the first output shaft respectively penetrate through the vertical plate and then are coaxially fixed with the driving wheel;

the control system is installed on the chassis and comprises a main controller, a charge and discharge controller, a wireless receiving module and a super capacitor, wherein the main controller is electrically connected with the driving motor, the charge and discharge controller and the wireless receiving module respectively, and the charge and discharge controller is electrically connected with the super capacitor.

According to the technical scheme, compared with the prior art, the driving chain wheels are coaxially fixed on the driving wheels and the driven wheels of the shuttle vehicle, the driving chain wheels are sleeved with the driving chain wheels I, the arrangement can ensure that each driven wheel has power, and when the shuttle vehicle encounters a large ground clearance, the shuttle vehicle can smoothly pass through the driving chain wheels due to the fact that each wheel has power input, and better passing performance is ensured; drive driving motor through setting up super capacitor, should set up and to guarantee when shuttle car electric quantity is not enough, can be quick charge to it, shorten the charge time of shuttle car greatly, improve its work efficiency.

Preferably, the traveling device further includes a plurality of tensioning wheel sets, the driven wheels are provided with six and equally distributed on two long sides of the chassis, one long side of the chassis is sequentially provided with one driving wheel and three driven wheels, two sides of a first driven wheel close to the driving wheel along the plate length direction of the vertical plate are respectively provided with one tensioning wheel set, two sides of a second driven wheel along the plate length direction of the vertical plate are respectively provided with one tensioning wheel set, each tensioning wheel set includes a first tensioning wheel and a second tensioning wheel, the first tensioning wheel and the second tensioning wheel are both rotatably connected with the vertical plate, wheel centers of the first tensioning wheel and the second tensioning wheel are parallel to a wheel center of the driving wheel, a plane defined by a wheel center line of the first tensioning wheel and a wheel center line of the second tensioning wheel is parallel to the width direction of the vertical plate, the first chain is arranged between the first tensioning wheel and the second tensioning wheel, and the shortest distance between the first tensioning wheel and the second tensioning wheel is smaller than the maximum outer diameter of the driving chain wheel. This setting can guarantee to be connected with the transmission that can stabilize between the driving wheel from the driven wheel.

Preferably, the steering device further comprises a plurality of steering wheels, the steering wheels are provided with a plurality of steering wheels, the wheel centers of the steering wheels are perpendicular to the wheel center of the driving wheel, the positions, close to the two ends of the chassis, of the vertical plate are respectively and rotatably connected with one steering wheel, and the maximum distance between each steering wheel and the vertical plate is greater than the maximum distance between each driving wheel and each driven wheel and each vertical plate. This setting is convenient for this shuttle car to turn to the action.

Preferably, the driving device further comprises a driving sprocket, a driven sprocket and a second chain, the driving sprocket is fixedly sleeved on the first output shaft of the driving motor, the driven sprocket is fixedly sleeved on the first output shaft, the geometric center of the driven sprocket is coplanar with that of the driving sprocket, and the second chain is sleeved between the driving sprocket and the driven sprocket in a transmission manner. The driving wheel and the driving motor adopt chain transmission, the transmission mode has stable operation and high transmission efficiency.

Preferably, the lifting device comprises a lifting motor, a driving gear, a driven gear, a second output shaft, a bearing seat, an eccentric wheel, a first connecting rod, a second connecting rod, a third connecting rod, a first lifting block, a limiting shaft and a second lifting block;

the jacking motor is arranged on the chassis, the driving gear is fixedly sleeved on an output shaft of the jacking motor, the jacking motor is electrically connected with the main controller, two bearing seats are arranged and fixed on the chassis, the two bearing seats are commonly sleeved with the second output shaft, the second output shaft is arranged in parallel with the output shaft, the driven gear is sleeved on the second output shaft and meshed with the driving gear, two eccentric wheels are fixedly sleeved at two ends of the second output shaft respectively, eccentric shafts of the eccentric wheels are hinged with one end of the first connecting rod, the other end of the first connecting rod is rotatably connected with the second connecting rod, the rod length direction of the second connecting rod is vertical to the axial length direction of the second output shaft, and the first jacking block and the second jacking block are both provided with two parts and are respectively arranged close to the end parts of the second connecting rod, the first jacking block is fixed on the chassis, a hole is formed in one end face of the first jacking block, which is far away from the chassis, and the limiting shaft is inserted in the hole, the limit shaft is arranged perpendicular to the chassis, the second jacking block is provided with a through hole matched with the limit shaft, the second jacking block is sleeved on the limiting shaft in a sliding manner, the third connecting rod comprises a first connecting rod III and a second connecting rod III which are the same in length, the first jacking block is hinged with one end of the first connecting rod III, the other end of the first connecting rod III is hinged with the second connecting rod II, the second jacking block is hinged with one end of the third second connecting rod, the other end of the third second connecting rod is hinged with the second connecting rod, the hinge center of the first connecting rod III and the hinge center of the second connecting rod II and the hinge center of the second connecting rod III and the hinge center of the second connecting rod II are superposed and are uniformly arranged on one side of the first jacking block far away from the eccentric wheel. Through setting up foretell jacking device, should set up and to guarantee that this shuttle car can be fine lift the heavy object.

Preferably, the connecting rod two comprises diaphragm and connecting rod, the diaphragm is provided with two, two the face parallel and the tip of diaphragm aligns, two the equipartition has many between the diaphragm the connecting rod, two the diaphragm is through a plurality of the connecting rod is fixed, one of connecting rod is kept away from a pot head of eccentric wheel is established and is close to one of diaphragm tip on the connecting rod, first connecting rod three with the hinged end of connecting rod two with second connecting rod three with the hinged end of connecting rod two is all established on the connecting rod, jacking piece one with jacking piece two is all spacing two between the diaphragm. The arrangement can ensure that the second connecting rod has higher strength; and because the first jacking block and the second jacking block are arranged, the second connecting rod can be ensured to smoothly lift, and the occupied space is small.

Preferably, the lifting device further comprises two supporting plates and two cover plates, a connecting plate is integrally formed at the end part, far away from the first lifting block, of the second lifting block, the plate surface of the connecting plate is perpendicular to the limiting shaft, and the single supporting plate is fixed with the two connecting plates arranged on the same second connecting rod; the cover plate is positioned between the two supporting plates, two short side edges of the base plate are respectively fixed with a baffle plate, and the plate surface of the cover plate close to the base plate and one end of each of the two baffle plates far away from the base plate are fixed. Through setting up the layer board, this setting guarantees that this shuttle car can be fine lifts the heavy object.

Compared with the prior art, the shuttle vehicle disclosed by the invention has the advantages that the technical scheme is adopted, and the shuttle vehicle is provided. The following technical effects can be achieved:

according to the shuttle vehicle, the driving chain wheels are coaxially fixed on the driving wheels and the driven wheels of the shuttle vehicle, the driving chain wheels are sleeved with the first pair of chains, the arrangement can ensure that each driven wheel has power, and when the shuttle vehicle encounters a large ground clearance, the shuttle vehicle can smoothly pass through the driving chain wheels due to the fact that each wheel has power input, and the shuttle vehicle is ensured to have better trafficability; the driving motor is driven by the super capacitor, and the arrangement can ensure that the shuttle vehicle can be rapidly charged when the electric quantity of the shuttle vehicle is insufficient, thereby greatly shortening the charging time of the shuttle vehicle and improving the working efficiency of the shuttle vehicle; due to the arrangement of the tensioning wheel set, the arrangement can ensure that the driven wheel can be reliably in transmission connection with the driving wheel.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is an overall isometric view of a shuttle car;

FIG. 2 is a partial isometric view of a shuttle car;

FIG. 3 is a partial isometric view of a shuttle car;

FIG. 4 is a partial isometric view of a shuttle car;

FIG. 5 is a partial isometric view of a shuttle car;

FIG. 6 is a partial isometric view of a shuttle car;

FIG. 7 is a fragmentary isometric view of a shuttle car.

In the figure:

the device comprises a chassis 1, a vertical plate 2, a driving wheel 3, a driven wheel 4, a driving chain wheel 5, a first chain 6, a tension wheel group 7, a first tension wheel 70, a second tension wheel 71, a driving motor 8, a first output shaft 9, a driving chain wheel 10, a driven chain wheel 11, a second chain 12, a main controller 13, a charge-discharge controller 14, a wireless receiving module 15, a super capacitor 16, a steering wheel 17, a jacking motor 18, a driving gear 19, a driven gear 20, a second output shaft 21, a bearing seat 22, an eccentric wheel 23, a first connecting rod 24, a second connecting rod 25, a transverse plate 250, a connecting rod 251, a third connecting rod 26, a third connecting rod 260, a third connecting rod 261, a first jacking block 27, a limiting shaft 28, a second jacking block 29, a supporting plate 30, a cover plate 31 and a baffle 32.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention discloses a shuttle vehicle, wherein driving chain wheels 5 are coaxially fixed on a driving wheel 3 and a driven wheel 4 of the shuttle vehicle, a plurality of driving chain wheels 5 are sleeved with a pair of chains 6, the arrangement can ensure that each driven wheel 4 has power, and when the shuttle vehicle encounters a large ground clearance, each wheel has power input, so that the shuttle vehicle can smoothly pass through the driving chain wheels, and the driving chain wheels and the driven chain wheels are ensured to have better trafficability; the driving motor 8 is driven by the super capacitor 16, and the arrangement can ensure that the shuttle vehicle can be rapidly charged when the electric quantity of the shuttle vehicle is insufficient, greatly shorten the charging time of the shuttle vehicle and improve the working efficiency of the shuttle vehicle; due to the arrangement of the tensioning wheel group 7, the arrangement can ensure that the driven wheel 4 can be reliably connected with the driving wheel 3 in a transmission way.

Examples

Referring to fig. 1-7, which are schematic structural views of a whole or part of an embodiment of the present invention, the present invention specifically discloses a shuttle car, comprising:

the chassis 1 is rectangular as a whole, and vertical plates 2 which are parallel to each other are vertically arranged on two long side edges of the chassis 1;

the travelling device comprises two driving wheels 3 and a plurality of driven wheels 4, the two driving wheels 3 and the plurality of driven wheels 4 are equally distributed on two sides of the chassis 1, the two driving wheels 3 correspond to each other in position, the wheel centers of the driven wheels 4 are perpendicular to the plate surface of the vertical plate 2 and are rotatably connected with the plate surface, the wheel centers of the driving wheels 3 and the driven wheels 4 are parallel, a driving chain wheel 5 is coaxially fixed on one side of each driving wheel 3 and one side of each driven wheel 4 close to the vertical plate 2, and the geometric centers of the driving chain wheels 5 on the same side of the chassis 1 are coplanar and are jointly sleeved with a pair of chains 6 in a transmission manner;

the driving device comprises a driving motor 8 and a first output shaft 9, the driving motor 8 is fixed on the chassis 1 and is in transmission connection with the first output shaft 9, and two ends of the first output shaft 9 respectively penetrate through the vertical plate 2 and then are coaxially fixed with the driving wheel 3;

the control system is installed on the chassis 1 and comprises a main controller 13, a charging and discharging controller 14, a wireless receiving module 15 and a super capacitor 16, the main controller 13 is electrically connected with the driving motor 8, the charging and discharging controller 14 and the wireless receiving module 15 respectively, and the charging and discharging controller 14 is electrically connected with the super capacitor 16.

Further specifically, the traveling device further comprises a plurality of tensioning wheel sets 7, the driven wheels 4 are provided with six and equally distributed on two long sides of the chassis 1, one long side of the chassis 1 is sequentially provided with a driving wheel 3 and three driven wheels 4, two sides of the first driven wheel 4 close to the driving wheel 3 along the plate length direction of the vertical plate 2 are respectively provided with one tensioning wheel set 7, two sides of the second driven wheel 4 along the plate length direction of the vertical plate 2 are respectively provided with one tensioning wheel set 7, each tensioning wheel set 7 comprises a first tensioning wheel 70 and a second tensioning wheel 71, the first tensioning wheel 70 and the second tensioning wheel 71 are both rotatably connected with the vertical plate 2, the wheel centers of the first tensioning wheel 70 and the second tensioning wheel 71 are parallel to the wheel center of the driving wheel 3, a plane defined by the wheel center line of the first tensioning wheel 70 and the wheel center line of the second tensioning wheel 71 is parallel to the width direction of the vertical plate 2, a chain 6 is arranged between the first tensioning wheel 70 and the, the shortest distance between the first tensioning wheel 70 and the second tensioning wheel 71 is smaller than the largest outer diameter of the drive sprocket 5.

Further specifically, still include direction wheel 17, direction wheel 17 is provided with a plurality ofly and its wheel center is perpendicular with the wheel center of initiative wheel 3, and riser 2 keeps away from one side face of chassis 1 and is close to the position at its both ends and rotate respectively and be connected with a direction wheel 17, and the maximum distance of direction wheel 17 apart from riser 2 is greater than the maximum distance that initiative wheel 3 and driven wheel 4 apart from riser 2 respectively.

More specifically, the driving device further includes a driving sprocket 10, a driven sprocket 11 and a second chain 12, the driving sprocket 10 is fixedly sleeved on the first output shaft 9 of the driving motor 8, the driven sprocket 11 is fixedly sleeved on the first output shaft 9, the geometric center of the driven sprocket is coplanar with the geometric center of the driving sprocket 10, and the second chain 12 is sleeved between the driving sprocket 10 and the driven sprocket 11 in a transmission manner.

Further specifically, the lifting device comprises a lifting motor 18, a driving gear 19, a driven gear 20, a second output shaft 21, a bearing seat 22, an eccentric wheel 23, a first connecting rod 24, a second connecting rod 25, a third connecting rod 26, a first lifting block 27, a limiting shaft 28 and a second lifting block 29;

the jacking motor 18 is arranged on the chassis 1, a driving gear 19 is fixedly sleeved on an output shaft of the jacking motor 18, the jacking motor 18 is electrically connected with the main controller 13, two bearing blocks 22 are arranged and are fixed on the chassis 1, an output shaft II 21 is sleeved on the two bearing blocks 22 together, the output shaft II 21 is arranged in parallel with the output shaft I9, a driven gear 20 is sleeved on the output shaft II 21 and is meshed with the driving gear 19, two eccentric wheels 23 are fixedly sleeved on two ends of the output shaft II 21 respectively, an eccentric shaft of the eccentric wheel 23 is hinged with one end of a connecting rod I24, the other end of the connecting rod I24 is rotatably connected with the connecting rod II 25, the rod length direction of the connecting rod II 25 is vertical to the shaft length direction of the output shaft II 21, two jacking blocks I27 and II 29 are arranged and are respectively close to the end parts of the connecting rod II 25, the jacking block I27 is fixed on the chassis, the limiting shaft 28 is arranged perpendicular to the chassis 1, the second jacking block 29 is provided with a through hole matched with the limiting shaft 28, the second jacking block 29 is slidably sleeved on the limiting shaft 28, the third connecting rod 26 comprises a plurality of first third connecting rods 260 and a plurality of second third connecting rods 261 which are the same in length, the first jacking block 27 is hinged with one end of the first third connecting rod 260, the other end of the first third connecting rod 260 is hinged with the second connecting rod 25, the second jacking block 29 is hinged with one end of the second third connecting rod 261, the other end of the second third connecting rod 261 is hinged with the second connecting rod 25, the hinged centers of the first third connecting rod 260 and the second connecting rod 25 and the hinged center of the second connecting rod 261 and the second connecting rod 25 are overlapped and are uniformly arranged on one side of the first jacking block 27, which is far.

Further specifically, the second connecting rod 25 is composed of transverse plates 250 and connecting rods 251, the transverse plates 250 are provided with two connecting rods 250, the plate surfaces of the two transverse plates 250 are parallel and the end portions of the two transverse plates 250 are aligned, the connecting rods 251 are uniformly distributed between the two transverse plates 250, the two transverse plates 250 are fixed through the connecting rods 251, one end, away from the eccentric wheel 23, of the first connecting rod 24 is sleeved on one connecting rod 251 close to the end portion of the transverse plate 250, the hinged end of the first connecting rod three 260 and the connecting rod two 25 and the hinged end of the second connecting rod three 261 and the connecting rod two 25 are sleeved on the connecting rod 251, and the first jacking block 27 and the second jacking block 29 are.

The lifting device further comprises two supporting plates 30 and two cover plates 31, wherein the two supporting plates 30 are arranged, a connecting plate is integrally formed at the end part, far away from the first lifting block 27, of the second lifting block 29, the plate surface of the connecting plate is vertical to the limiting shaft 28, and the single supporting plate 30 is fixed with the two connecting plates arranged on the same second connecting rod 25; the cover plate 31 is located between the two supporting plates 30, two short sides of the chassis 1 are respectively fixed with a baffle 32, and the plate surface of the cover plate 31 close to the chassis 1 and one end of each of the two baffle 32 far away from the chassis 1 are fixed.

The shuttle car using method comprises the following steps:

main control unit 13 drive driving motor 8, the motor passes through sprocket feed and drives an output shaft 9 and rotate, an output shaft 9 and the coaxial fixed of driving wheel 3, so, driving wheel 3 can rotate along with an output shaft 9, be provided with a plurality of driven wheels 4 on riser 2, it is one 6 to overlap a pair chain jointly between driving wheel 3 and a plurality of driven wheels 4, so, realize that the transmission between driving wheel 3 and the driven wheels 4 is connected, so when an output shaft 9 drives driving wheel 3 pivoted, driving wheel 3 also drives a plurality of driven wheels 4 simultaneously through a 6 drive of chain. Due to the arrangement of the super capacitor 16, the super capacitor 16 has the characteristic of quick charging, so that the charging time of the shuttle vehicle is greatly reduced during normal operation. The second connecting rod 25 and the third connecting rod 26 form a parallelogram connecting rod mechanism, the second connecting rod 25 is sequentially in transmission connection with the first connecting rod 24 and the eccentric wheel 23, the eccentric wheel 23 is in transmission connection with the jacking motor 18 through a gear, the second connecting rod 25 can be driven to move up and down when the jacking motor 18 rotates, and the supporting plate 30 is mounted on the second connecting rod 25, so that upward jacking action is realized.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A shuttle car, comprising:

the chassis (1), the whole of the chassis (1) is rectangular, and vertical plates (2) which are parallel to each other are vertically arranged on two long sides of the chassis (1);

the walking device comprises two driving wheels (3) and a plurality of driven wheels (4), the two driving wheels (3) and the plurality of driven wheels (4) are uniformly distributed on two sides of the chassis (1), the two driving wheels (3) correspond to each other in position, the wheel centers of the driven wheels (4) are perpendicular to the plate surface of the vertical plate (2) and are rotatably connected with the plate surface of the vertical plate, the wheel centers of the driving wheels (3) and the driven wheels (4) are parallel, a driving chain wheel (5) is coaxially fixed on one side of each driving wheel (3) and one side of each driven wheel (4) close to the vertical plate (2), the geometric centers of the driving chain wheels (5) on the same side of the chassis (1) are coplanar and a pair of chains (6) is sleeved on the driving chain wheels in a common transmission mode;

the driving device comprises a driving motor (8) and a first output shaft (9), the driving motor (8) is fixed on the chassis (1) and is in transmission connection with the first output shaft (9), and two ends of the first output shaft (9) respectively penetrate through the vertical plate (2) and then are coaxially fixed with the driving wheel (3);

the control system is installed on the chassis (1) and comprises a main controller (13), a charge-discharge controller (14), a wireless receiving module (15) and a super capacitor (16), wherein the main controller (13) is electrically connected with the driving motor (8), the charge-discharge controller (14) and the wireless receiving module (15) respectively, and the charge-discharge controller (14) is electrically connected with the super capacitor (16).

2. A shuttle car as claimed in claim 1, wherein: the travelling device further comprises a plurality of tensioning wheel sets (7), the driven wheels (4) are provided with six tensioning wheel sets (7) which are evenly distributed on two long sides of the chassis (1), one long side of the chassis (1) is sequentially provided with one driving wheel (3) and three driven wheels (4), the first driven wheel (4) close to the driving wheel (3) is respectively provided with one tensioning wheel set (7) along two sides of the vertical plate (2) in the plate length direction, the second driven wheel (4) is respectively provided with one tensioning wheel set (7) along two sides of the vertical plate (2) in the plate length direction, each tensioning wheel set (7) comprises a first tensioning wheel (70) and a second tensioning wheel (71), the first tensioning wheel (70) and the second tensioning wheel (71) are rotatably connected with the vertical plate (2), and the wheel centers of the first tensioning wheel (70) and the second tensioning wheel (71) are parallel to the wheel center of the driving wheel (3), the plane defined by the wheel center line of the first tensioning wheel (70) and the wheel center line of the second tensioning wheel (71) is parallel to the width direction of the vertical plate (2), the first chain (6) is arranged between the first tensioning wheel (70) and the second tensioning wheel (71), and the shortest distance between the first tensioning wheel (70) and the second tensioning wheel (71) is smaller than the maximum outer diameter of the driving chain wheel (5).

3. A shuttle vehicle as claimed in claim 1, further comprising a plurality of direction wheels (17), wherein the direction wheels (17) are disposed and have wheel centers perpendicular to the wheel center of the driving wheel (3), the vertical plate (2) is rotatably connected to a position away from the side plate surface of the chassis (1) and close to the two ends thereof, and the maximum distance between the direction wheels (17) and the vertical plate (2) is greater than the maximum distance between the driving wheel (3) and the driven wheel (4) and the vertical plate (2).

4. A shuttle vehicle as claimed in claim 1, wherein said driving device further comprises a driving sprocket (10), a driven sprocket (11) and a second chain (12), said driving sprocket (10) is fixedly sleeved on the first output shaft (9) of said driving motor (8), said driven sprocket (11) is fixedly sleeved on said first output shaft (9) and its geometric center is coplanar with the geometric center of said driving sprocket (10), and said second chain (12) is drivingly sleeved between said driving sprocket (10) and said driven sprocket (11).

5. The shuttle car according to claim 1, further comprising a jacking device, wherein the jacking device comprises a jacking motor (18), a driving gear (19), a driven gear (20), a second output shaft (21), a bearing seat (22), an eccentric wheel (23), a first connecting rod (24), a second connecting rod (25), a third connecting rod (26), a first jacking block (27), a limiting shaft (28) and a second jacking block (29);

the jacking motor (18) is installed on the chassis (1), the driving gear (19) is fixedly sleeved on an output shaft of the jacking motor (18), the jacking motor (18) is electrically connected with the main controller (13), two bearing blocks (22) are arranged and fixed on the chassis (1), the two bearing blocks (22) are sleeved with the second output shaft (21) together, the second output shaft (21) and the first output shaft (9) are arranged in parallel, the driven gear (20) is sleeved on the second output shaft (21) and meshed with the driving gear (19), the two ends of the second output shaft (21) are respectively and fixedly sleeved with the eccentric wheel (23), an eccentric shaft of the eccentric wheel (23) is hinged with one end of the first connecting rod (24), and the other end of the first connecting rod (24) is rotatably connected with the second connecting rod (25), the rod length direction of the second connecting rod (25) is perpendicular to the shaft length direction of the second output shaft (21), the first jacking block (27) and the second jacking block (29) are both provided with two parts which are respectively close to the end parts of the second connecting rod (25), the first jacking block (27) is fixed on the chassis (1) and is provided with a hole on one end surface far away from the chassis (1) and the limit shaft (28) in an inserting manner, the limit shaft (28) is perpendicular to the chassis (1) and is arranged, the second jacking block (29) is provided with a through hole matched with the limit shaft (28), the second jacking block (29) is sleeved on the limit shaft (28) in a sliding manner, the third connecting rod (26) comprises a plurality of first third connecting rods (260) and second third connecting rods (261) which are the same in length, and the first jacking block (27) is hinged with one end of the first third connecting rod (260), the other end of first connecting rod three (260) with connecting rod two (25) are articulated, jacking piece two (29) with the one end of second connecting rod three (261) is articulated, the other end of second connecting rod three (261) with connecting rod two (25) are articulated, first connecting rod three (260) with the articulated center of connecting rod two (25) with second connecting rod three (261) with the articulated center coincidence of connecting rod two (25) and both arrangements are in jacking piece one (27) is kept away from one side of eccentric wheel (23).

6. A shuttle vehicle as claimed in claim 5, wherein said second link (25) is comprised of a cross plate (250) and a connecting rod (251), the number of the transverse plates (250) is two, the plate surfaces of the two transverse plates (250) are parallel, the end parts of the two transverse plates are aligned, a plurality of connecting rods (251) are uniformly distributed between the two transverse plates (250), the two transverse plates (250) are fixed through the connecting rods (251), one end of the first connecting rod (24) far away from the eccentric wheel (23) is sleeved on one connecting rod (251) close to the end part of the transverse plate (250), the hinged end of the first connecting rod III (260) and the second connecting rod II (25) and the hinged end of the second connecting rod III (261) and the second connecting rod II (25) are sleeved on the connecting rod (251), the first jacking block (27) and the second jacking block (29) are limited between the two transverse plates (250).

7. A shuttle vehicle as claimed in claim 5, further comprising two support plates (30) and a cover plate (31), wherein the two support plates (30) are provided, the end of the second jacking block (29) far away from the first jacking block (27) is integrally formed with a connecting plate, the plate surface of the connecting plate is perpendicular to the limiting shaft (28), and a single support plate (30) is fixed with the two connecting plates mounted on the same second connecting rod (25); the cover plate (31) is positioned between the two supporting plates (30), two short side edges of the chassis (1) are respectively fixed with a baffle plate (32), and the plate surface of the cover plate (31) close to the chassis (1) is fixed with one end of each baffle plate (32) far away from the chassis (1).