CN210337562U

CN210337562U - Novel electric transport vehicle

Info

Publication number: CN210337562U
Application number: CN201720055142.7U
Authority: CN
Inventors: 栗世尧; 孙王成; 张飞; 李波
Original assignee: Hubei University of Arts and Science
Current assignee: Hubei University of Arts and Science
Priority date: 2017-01-17
Filing date: 2017-01-17
Publication date: 2020-04-17
Anticipated expiration: 2027-01-17

Abstract

The utility model discloses a novel electric transport vehicle mainly relates to handling tool technical field. Including frame, battery, shock mitigation system and mecanum wheel, shock mitigation system includes preceding damping device and back damping device, preceding damping device and back damping device are located both ends around the frame respectively, mecanum wheel is four and all rotates with damping system through drive arrangement and is connected, be equipped with the transmission system who is used for conveying article on the frame. The beneficial effects of the utility model reside in that: the mobility of carrying the articles is improved, an effective damping effect can be provided for the vehicle body, so that the vehicle body can be kept stable in the moving process, and the stability of the articles carried on the vehicle is further ensured; through set up transmission system on the frame, can play the function of carrying out the conveying to the article on the car, can provide superior load-carrying capacity again and easy to assemble maintenance.

Description

Novel electric transport vehicle

Technical Field

The utility model relates to a handling tool technical field specifically is a novel electric transport vehicle.

Background

The rims of the Mecanum wheels are obliquely provided with a plurality of small rods, so that the wheels can transversely slide. The generatrix of the small rollers is special, when the wheel rotates around a fixed wheel spindle, the envelope curve of each small roller is a cylindrical surface, so the wheel can continuously roll forwards, and the wheel has compact structure and flexible movement and is a successful omnidirectional wheel. Along with the research and development of the omnibearing moving platform with the Mecanum wheels are deepened gradually, the omnibearing moving platform is more and more widely applied, a transport vehicle taking the Mecanum wheels as moving wheels is gradually applied to the fields of article carrying and the like, and the automatic unmanned operation is generally adopted in the article carrying process for saving manpower and material resources and improving the carrying efficiency. There is therefore a greater demand for smooth performance of the mecanum wheel trucks and efficiency of article transfer. In the prior art, the transport vehicle has poor damping effect, and under the condition of uneven road surface, articles on the transport vehicle are easy to move and even fall off, so that unnecessary loss is caused; and the transport vechicle surface is mostly smooth panel, and article are difficult to remove, need through piling up of article, fold and press or push and transport, very easily cause the disorder of article to cause article to damage to because the irregularity that article were put, the quantity of transportation reduces and be difficult to categorised regular, reduces work efficiency, is difficult to satisfy the requirement of high efficiency transport.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel electric transport vehicle, which improves the mobility of article carrying, can provide effective damping effect for the vehicle body to ensure the vehicle body to keep stable in the moving process, and further ensures the stability of the articles carried on the vehicle; through set up transmission system on the frame, can play the function of carrying out the conveying to the article on the car, can provide superior load-carrying capacity again and easy to assemble, maintain.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

the utility model provides a novel electric transport vehicle, includes frame, battery, shock mitigation system and mecanum wheel, shock mitigation system includes preceding damping device and back damping device, preceding damping device is located both ends around the frame respectively with back damping device, mecanum wheel is four and all rotates through drive arrangement and damping system to be connected, drive arrangement all is connected with the battery electricity, preceding damping device includes mount and preceding connecting block, mount and frame front end fixed connection, two of preceding connecting block for the symmetry setting just all are connected with drive arrangement, be equipped with intermediate strut and preceding damping spring on the mount, preceding connecting block all is through link and intermediate strut swing joint, preceding damping spring is two and the symmetry setting, two preceding damping spring lower extreme is articulated with corresponding link respectively, back damping device includes back connecting block, Connect bridge and back damping spring, two that the back connecting block set up for the symmetry just all are connected with drive arrangement, it is articulated with the back connecting block respectively to connect the bridge both ends, the upper end and the frame fixed connection of connecting the bridge, it is equipped with shock absorber support to connect to fix on the bridge, back damping spring one end is connected with shock absorber support and the other end and is connected with the back connecting block, be equipped with the transmission system who is used for conveying article on the frame.

The mount bilateral symmetry is equipped with the shock attenuation fork, shock attenuation fork one end is articulated with the mount and the other end is articulated with preceding connecting block.

The fixed frame is provided with three bracket arms, and the front damping spring and the middle bracket are respectively connected with the bracket arms in a rotating manner.

The middle support comprises a first support and a second support, the top end of the first support is provided with an insertion groove, the top end of the second support is provided with an insertion part matched with the insertion groove, and the insertion groove is hinged to the insertion part through a support arm.

The lower ends of the first support and the second support are movably connected through a third damping spring.

The link includes first link and second link, preceding damping spring lower extreme is articulated with first link, two the one end that connecting block was kept away from to first link and second link is articulated with first support and second support respectively.

The transmission system comprises a driving roller, a driven roller and a transmission motor, the transmission motor is located below the frame, roller guard plates are symmetrically arranged on two sides of the frame, the driving roller and the driven roller are rotatably connected with the roller guard plates, the driving roller is in transmission connection with the transmission motor, a transmission gear is arranged on the driving roller, a driven gear is arranged on the driven roller, and the transmission gear is in transmission connection with the driven gear through a chain.

A roller bottom plate is arranged below the driven roller, the roller guard plate is fixedly connected with the roller bottom plate, and the roller bottom plate is detachably connected with the frame.

And a battery installation box for placing a storage battery is arranged on the connecting bridge.

Contrast prior art, the beneficial effects of the utility model are that:

1. the utility model can effectively enhance the damping effect of the utility model by arranging the front and rear damping devices, improve the mobility of carrying articles, ensure the stability of the vehicle body when the vehicle runs on different road surfaces, and further ensure the stability of the articles carried on the vehicle; the shock of the front Mecanum wheel and the rear Mecanum wheel brought by uneven road surface is effectively absorbed by the action of the front damping spring and the rear damping spring, so that the front part and the rear part of the frame can be kept stable, and meanwhile, the fixing frame, the middle bracket and the connecting bridge can ensure that the shock absorption system of the utility model has higher strength, can load more articles and improve the practicability of the utility model; the driving devices are connected with the Mecanum wheels and the damping system, so that each driving device can independently provide power for the corresponding Mecanum wheel, each Mecanum wheel can independently move, and the transport vehicle can move in all directions; through set up transmission system on the frame, can play the function of carrying out the conveying to the article on the car, can provide superior load-carrying capacity again and easy to assemble maintenance.

2. The design of shock attenuation fork can make preceding damping device's stability reinforcing, ensures to be located the stability that the anterior mecanum wheel of transport vechicle kept the driving process at any road conditions, makes the stationarity of frame further reinforcing simultaneously.

3. The symmetric arrangement of the front damping springs can be ensured by arranging the support arms, so that the damping springs and the middle support can simultaneously transmit the Mecanum wheels to the frame to achieve uniform force distribution, and the stability of the transport vehicle in the running process is ensured.

4. Be equipped with inserting groove and grafting portion respectively on first support and second support top, can make the power that first support and second support received reach the balance, avoid leading to two anterior mecanum wheels in the skew of shock attenuation in-process because the dislocation of first support and second support causes the atress inhomogeneous and ensures the utility model discloses the stability of driving in-process.

5. Third damping spring can make first support and second support bottom keep relative activity, guarantees the relative independence of the anterior two mecanum wheels of transport vechicle, can guarantee the displacement of mecanum wheel at the ascending narrow range of left and right sides orientation at the shock attenuation in-process, makes the interval between anterior two mecanum wheels of transport vechicle adjust according to the condition of traveling to reach better shock attenuation effect.

6. First link, second link, preceding connecting block and intermediate strut form four-bar linkage, and preceding damping spring lower extreme is articulated with first link simultaneously, makes preceding damping device's shock attenuation effect better to guarantee the stability of the in-process of marcing between the anterior mecanum wheel.

7. Through setting up initiative cylinder, driven cylinder and drive motor, under drive motor's drive, make initiative cylinder and driven cylinder rotate, drive article and move on the frame, avoid the friction damage of article, can reduce intensity of labour simultaneously, the less manpower of input.

8. The roller bottom plate can separate the transmission system from the frame, so that the independence of the transmission system is ensured, meanwhile, the small articles can be prevented from falling, and the condition that the articles are damaged in the conveying process is avoided.

9. The battery install bin can carry out better protection to the battery, avoids unexpected colliding with, can prevent the removal or the falling of battery when the unevenness road surface is gone simultaneously.

Drawings

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

FIG. 2 is a schematic structural view of a middle and rear shock absorber of the present invention;

FIG. 3 is a schematic structural view of a middle-front damping device of the present invention;

FIG. 4 is a top view of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4;

fig. 6 is an enlarged view of a portion B of fig. 4.

Reference numerals shown in the drawings: 1. a frame; 2. a Mecanum wheel; 3. a drive device; 4. a fixed mount; 5. a front connecting block; 6. a front damping spring; 7. a rear connecting block; 8. a connecting bridge; 9. a rear damping spring; 10. a shock-absorbing support; 11. a shock absorbing fork; 12. a support arm; 13. a first bracket; 14. a second bracket; 15. inserting groove 16, inserting part; 17. a third damping spring; 18. a first connecting frame; 19. a second link frame; 20. a driving roller; 21. a driven drum; 22. a drive motor; 23. a roller guard plate; 24. a transmission gear; 25. a driven gear; 26. a drum base plate; 27. a support rod.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

A novel electric transport vehicle, including frame 1, battery, shock mitigation system and mecanum wheel 2, frame 1 is formed by hollow steel tube welding, and frame 1 hugs closely the transport vechicle rear end and is equipped with four perpendicular to frame 1's bracing pieces 27, and mecanum wheel 2 distributes at four corners of frame 1. Damping system includes preceding damping device and back damping device, preceding damping device and back damping device are located frame 1 front and back both ends respectively, mecanum wheel 2 is four and all rotates with damping system through drive arrangement 3 and is connected, drive arrangement 3 all is connected with the battery electricity, and drive arrangement 3 includes servo motor and servo driver, and every servo motor all is autonomous working and is controlled by the servo driver who corresponds, guarantees to regulate and control each mecanum wheel 2's motion condition according to the needs of marcing of difference. The front damping device comprises a fixed frame 4 and a front connecting block 5, the fixed frame 4 is fixedly connected with the front end of the vehicle frame 1, the front connecting blocks 5 are symmetrically arranged and are both connected with the driving device 3, the fixed frame 4 is provided with a middle bracket and a front damping spring 6, the front connecting blocks 5 are both movably connected with the middle bracket through connecting frames, the front damping springs 6 are symmetrically arranged, the lower ends of the two front damping springs 6 are respectively hinged with the corresponding connecting frames, the rear damping device comprises a rear connecting block 7, a connecting bridge 8 and a rear damping spring 9, the rear connecting blocks 7 are symmetrically arranged and are both connected with the driving device 3, the two ends of the connecting bridge 8 are respectively hinged with the rear connecting block 7, the upper end of the connecting bridge 8 is fixedly connected with the vehicle frame 1, and the connecting bridge 8 is fixedly connected with a supporting rod 27 on the vehicle frame 1, the shock absorption support frame is characterized in that two symmetrically arranged shock absorption supports 10 are fixedly arranged on the connecting bridge 8, one end of each rear shock absorption spring 9 is connected with the shock absorption support frame 10, the other end of each rear shock absorption spring is connected with the rear connecting block 7, and a transmission system for conveying articles is arranged on the frame 1.

In order to ensure that the Mecanum wheels 2 positioned at the front part of the transport vehicle keep the stability in the driving process under any road condition and further enhance the stability of the vehicle frame 1, damping forks 11 are symmetrically arranged on two sides of the fixed frame 4, one ends of the damping forks 11 are hinged with the fixed frame 4, the other ends of the damping forks 11 are hinged with the front connecting block 5, and the stability of the front damping device can be enhanced due to the design of the damping forks 11.

In order to guarantee the stability of the transport vehicle in the running process, the fixing frame 4 is provided with three support arms 12, the front damping springs 6 and the middle support are respectively connected with the support arms 12 in a rotating mode, the middle support is located between the two front damping springs 6, the support arms 12 are arranged to guarantee the symmetrical arrangement of the front damping springs 6, and the damping springs and the middle support can simultaneously transmit the Mecanum wheel 2 to the frame 1 to achieve uniform force distribution.

In order to ensure the utility model discloses stability among the driving process, the middle support includes first support 13 and second support 14, first support 13 top is equipped with inserting groove 15, second support 14 top is equipped with the grafting portion 16 that suits with inserting groove 15, inserting groove 15 is articulated through support arm 12 with grafting portion 16, is equipped with inserting groove 15 and grafting portion 16 respectively on first support 13 and second support 14 top, can make the power that first support 13 and second support 14 received reach balance, avoids leading to the skew of anterior two mecanum wheels 2 in shock attenuation process because the dislocation of first support 13 and second support 14 causes the atress inhomogeneous.

In order to ensure that the two Mecanum wheels 2 at the front part of the transport vehicle are relatively independent, the lower ends of the first support 13 and the second support 14 are movably connected through a third damping spring 17, the third damping spring 17 can enable the bottom ends of the first support 13 and the second support 14 to keep relative movement, small-range displacement of the Mecanum wheels 2 in the left-right direction can be ensured in the damping process, and the distance between the two Mecanum wheels 2 at the front part of the transport vehicle can be adjusted according to the driving condition, so that a better damping effect is achieved.

In order to make the damping effect of the front damping device better and ensure the stability of the front mecanum wheel 2 during the traveling process, the connecting frames comprise a first connecting frame 18 and a second connecting frame 19, the lower end of the front damping spring 6 is hinged with the first connecting frame 18, the first connecting frame 18 and the second connecting frame 19 are symmetrically arranged, one end of each of the first connecting frame 18 and the second connecting frame 19, which is far away from the front connecting block 5, is hinged with the first bracket 13 and the second bracket 14 respectively, the first connecting frame 18, the second connecting frame 19, the front connecting block 5 and the middle bracket form a four-bar linkage structure, and the lower end of the front damping spring 6 is hinged with the first connecting frame 18.

In order to avoid the friction damage of the article, simultaneously reduce the labor intensity and reduce the labor input, the transmission system comprises a driving roller 20, a driven roller 21 and a transmission motor 22, the transmission motor 22 is positioned below the frame 1, the transmission motor 22 is electrically connected with a storage battery, roller guard plates 23 are symmetrically arranged on two sides of the frame 1, the roller guard plates 23 are arranged on two sides of the frame 1 and are parallel to the moving direction of the article, the driving roller 20 and the driven roller 21 are rotatably connected with the roller guard plates 23 through rolling bearings, the rolling bearings are fixedly connected with the roller guard plates, the driving roller 20 and the driven roller 21 are both rotatably connected with the roller guard plates 23, the driving roller 20 is in transmission connection with the transmission motor 22, a transmission gear 24 is arranged on the driving roller 20, a driven gear 25 is arranged on the driven roller 21, and the transmission gear 24 and the driven gear 25, through setting up driving roller 20, driven roller 21 and driving motor 22, under the drive of driving motor 22, make driving roller 20 and driven roller 21 can rotate, drive article and move on frame 1.

In order to ensure the independence of the transmission system and avoid the dropping of small articles, a roller bottom plate 26 is arranged below the driven roller 21, the roller guard plate 23 is fixedly connected with the roller bottom plate 26, the roller bottom plate 26 is detachably connected with the frame 1, the transmission system can be separated from the frame 1 by the roller bottom plate 26, and the condition that the articles are damaged in the transmission process is avoided.

In order to avoid the unexpected collision of battery, be equipped with the battery install bin that is used for placing the battery on connecting bridge 8, the battery install bin can carry out better protection to the battery, can prevent the removal or the falling of battery when the unevenness road surface is gone simultaneously.

Example (b): a novel electric transport vehicle, including frame 1, battery, shock mitigation system and mecanum wheel 2, frame 1 is formed by hollow steel tube welding, and frame 1 hugs closely the transport vechicle rear end and is equipped with four perpendicular to frame 1's bracing pieces 27, and mecanum wheel 2 distributes at four corners of frame 1. Damping system includes preceding damping device and back damping device, preceding damping device and back damping device are located frame 1 front and back both ends respectively, mecanum wheel 2 is four and all rotates with damping system through drive arrangement 3 and is connected, drive arrangement 3 all is connected with the battery electricity, and drive arrangement 3 includes servo motor and servo driver, and every servo motor all is autonomous working and is controlled by the servo driver who corresponds, guarantees to regulate and control each mecanum wheel 2's motion condition according to the needs of marcing of difference. Preceding damping device includes mount 4 and preceding connecting block 5,

mount

4 and 1 front end fixed connection of frame, preceding connecting block 5 just all is connected with drive arrangement 3 for two that the symmetry set up, be equipped with intermediate strut and preceding damping spring 6 on the mount 4, preceding connecting block 5 is all through link and intermediate strut swing joint, preceding damping spring 6 is two and symmetry setting, two preceding damping spring 6 lower extreme is articulated with the link that corresponds respectively, and 4 bilateral symmetry of mount are equipped with

shock attenuation fork

11, 11 one end of shock attenuation fork is articulated with mount 4 and the other end is articulated with preceding connecting block 5. Three bracket arms 12 are arranged on the fixed bracket 4, and the front damping spring 6 and the middle bracket are respectively connected with the bracket arms 12 in a rotating way. The middle support comprises a first support 13 and a second support 14, wherein a plug-in groove 15 is formed in the top end of the first support 13, a plug-in portion 16 corresponding to the plug-in groove 15 is formed in the top end of the second support 14, and the plug-in groove 15 is hinged to the plug-in portion 16 through a support arm 12. The lower ends of the first bracket 13 and the second bracket 14 are movably connected through a third damping spring 17. Rear damping device includes back connecting block 7, connects bridge 8 and back damping spring 9, back connecting block 7 is two that the symmetry set up and all is connected with drive arrangement 3, it is articulated with back connecting block 7 respectively to connect 8 both ends of bridge, the upper end and the frame 1 fixed connection of connecting bridge 8, bracing piece 27 fixed connection on connecting bridge 8 and the frame 1, be equipped with the battery install bin that is used for placing the battery on the connecting bridge 8. The fixed shock absorber support 10 that is equipped with two symmetries and sets up in battery install bin upper portion, back damping spring 9 one end is connected and the other end is connected with back connecting block 7 with shock absorber support 10, be equipped with the transmission system who is used for conveying article on frame 1, transmission system includes initiative cylinder 20, driven cylinder 21 and driving motor 22, driving motor 22 is located frame 1 below, frame 1 bilateral symmetry is equipped with cylinder backplate 23, and cylinder backplate 23 cross-section is one end open-ended rectangle, is [ form, and the both ends cladding of initiative cylinder 20 and driven cylinder 21 is in cylinder backplate 23, prevents effectively that the foreign matter from getting into the normal operating that influences transmission system. A roller bottom plate 26 is arranged below the driven roller 21, the roller guard plate 23 is fixedly connected with the roller bottom plate 26, and the roller bottom plate 26 is detachably connected with the frame 1. The driving roller 20 and the driven roller 21 are rotatably connected with a roller guard plate 23, the driving roller 20 is in transmission connection with a transmission motor 22, a transmission gear 24 is arranged on the driving roller 20, a driven gear 25 is arranged on the driven roller 21, and the transmission gear 24 is in transmission connection with the driven gear 25 through a chain.

Claims

1. The utility model provides a novel electric transport vehicle, includes frame (1), battery, shock mitigation system and mecanum wheel (2), its characterized in that: the damping system comprises a front damping device and a rear damping device, the front damping device and the rear damping device are respectively positioned at the front end and the rear end of a frame (1), the Mecanum wheels (2) are four and are rotationally connected with the damping system through driving devices (3), the driving devices (3) are electrically connected with a storage battery, the front damping device comprises a fixed frame (4) and a front connecting block (5), the fixed frame (4) is fixedly connected with the front end of the frame (1), the front connecting blocks (5) are symmetrically arranged and are both connected with the driving devices (3), a middle support and a front damping spring (6) are arranged on the fixed frame (4), the front connecting blocks (5) are movably connected with the middle support through connecting frames, the front damping springs (6) are symmetrically arranged, the lower ends of the two front damping springs (6) are respectively hinged with the corresponding connecting frames, rear damping device includes back connecting block (7), connects bridge (8) and back damping spring (9), back connecting block (7) are two that the symmetry set up and all are connected with drive arrangement (3), it is articulated with back connecting block (7) respectively to connect bridge (8) both ends, the upper end and frame (1) fixed connection of connecting bridge (8), it is equipped with shock absorber support (10) to connect on bridge (8) to go up the fixed, back damping spring (9) one end is connected and the other end is connected with back connecting block (7) with shock absorber support (10), be equipped with the transmission system who is used for conveying article on frame (1).

2. The novel electric transport vehicle as claimed in claim 1, wherein: the shock absorption fork is symmetrically arranged on two sides of the fixing frame (4), one end of the shock absorption fork (11) is hinged to the fixing frame (4), and the other end of the shock absorption fork is hinged to the front connecting block (5).

3. The novel electric transport vehicle as claimed in claim 1, wherein: the fixing frame (4) is provided with three bracket arms (12), and the front damping spring (6) and the middle bracket are respectively connected with the bracket arms (12) in a rotating manner.

4. The novel electric transport vehicle as claimed in claim 3, characterized in that: the middle support comprises a first support (13) and a second support (14), an insertion groove (15) is formed in the top end of the first support (13), an insertion part (16) matched with the insertion groove (15) is formed in the top end of the second support (14), and the insertion groove (15) is hinged to the insertion part (16) through a support arm (12).

5. The novel electric transport vehicle as claimed in claim 4, wherein: the lower ends of the first support (13) and the second support (14) are movably connected through a third damping spring (17).

6. The novel electric transport vehicle as claimed in claim 5, wherein: the connecting frame comprises a first connecting frame (18) and a second connecting frame (19), the lower end of the front damping spring (6) is hinged to the first connecting frame (18), and two ends, far away from the front connecting block (5), of the first connecting frame (18) and the second connecting frame (19) are hinged to the first support (13) and the second support (14) respectively.

7. The novel electric transport vehicle as claimed in claim 1, wherein: the transmission system comprises a driving roller (20), a driven roller (21) and a transmission motor (22), wherein the transmission motor (22) is located below the frame (1), roller guard plates (23) are symmetrically arranged on two sides of the frame (1), the driving roller (20) and the driven roller (21) are rotatably connected with the roller guard plates (23), the driving roller (20) is in transmission connection with the transmission motor (22), a transmission gear (24) is arranged on the driving roller (20), a driven gear (25) is arranged on the driven roller (21), and the transmission gear (24) and the driven gear (25) are connected through chain transmission.

8. The novel electric transportation vehicle of claim 7, wherein: a roller bottom plate (26) is arranged below the driven roller (21), the roller guard plate (23) is fixedly connected with the roller bottom plate (26), and the roller bottom plate (26) is detachably connected with the frame (1).

9. The novel electric transport vehicle as claimed in claim 1, wherein: and a battery installation box for placing a storage battery is arranged on the connecting bridge (8).