CN211594916U

CN211594916U - Transport device

Info

Publication number: CN211594916U
Application number: CN201922118107.7U
Authority: CN
Inventors: 张强
Original assignee: Beijing Jingdong Qianshi Technology Co Ltd
Current assignee: Beijing Jingdong Qianshi Technology Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-09-29
Anticipated expiration: 2029-11-29

Abstract

The utility model provides a transportation device which characterized in that, including automobile body, drive wheel, supporting wheel and connection structure, the drive wheel is connected with the automobile body, and connection structure is used for connecting automobile body and supporting wheel, and connection structure is used for controlling the supporting wheel and moves in order to change the wheel base between supporting wheel and the drive wheel for the automobile body.

Description

Transport device

Technical Field

The present disclosure relates to the field of logistics, and more particularly, to a transportation device.

Background

With the rapid development of electronic commerce and logistics industry, various warehouse logistics equipment also come into operation. To meet the demands of production and users, various forms of shelving and transportation devices have evolved. For example, in the process of taking, transporting or storing articles, the article transporting work is usually performed by a forklift to reduce the labor.

However, in the course of implementing the disclosed concept, the inventor finds that there are at least the following problems in the related art, namely, the wheelbase between the driving wheel and the supporting wheel of the forklift in the related art is the same, and cannot be adjusted, so that the longitudinal stability of the forklift is not increased, and the forklift is easy to overturn and cause loss if the load of the forklift is too heavy or the forklift runs on a downhill road.

SUMMERY OF THE UTILITY MODEL

In view of this, the present disclosure provides a transportation device, characterized in that the transportation device comprises: a vehicle body; a drive wheel connected with the vehicle body; a support wheel; and the connecting structure is used for controlling the supporting wheel to move relative to the vehicle body so as to change the wheel base between the supporting wheel and the driving wheel.

According to an embodiment of the present disclosure, the vehicle body includes: the driving wheel is fixedly connected with the vehicle body; the door frame is fixedly connected with the vehicle body and comprises a first slide rail and a second slide rail; and a fork coupled to the first slide, the fork configured to move along the first slide relative to the mast.

According to an embodiment of the present disclosure, the connection structure includes: a drive structure connected to the vehicle body; and a linkage structure for connecting the drive structure and the support wheel, wherein the drive structure is configured to control movement of the linkage structure and thereby control movement of the support wheel relative to the vehicle body.

According to an embodiment of the present disclosure, the driving structure includes: the base is fixedly connected with the vehicle body; and the hydraulic device is hinged with the base.

According to an embodiment of the present disclosure, the link structure includes: a guide wheel coupled to the second slide track, the guide wheel configured to move along the second slide track relative to the gantry; and one end of the connecting rod is hinged with the guide wheel, the other end of the connecting rod is hinged with the supporting wheel, and the first position of the connecting rod is hinged with the hydraulic device, wherein the first position of the connecting rod is positioned between one end of the connecting rod and the other end of the connecting rod.

According to an embodiment of the present disclosure, the hydraulic device comprises a cylinder end and a piston end, wherein the cylinder end is hinged with the base and the piston end is hinged with the first position of the connecting rod.

According to the embodiment of the disclosure, the door frame is of an H-shaped structure, and the first slide rail and the second slide rail are respectively located at opposite positions in the H-shaped structure.

According to an embodiment of the present disclosure, a length of the first slide rail is greater than a length of the second slide rail.

According to an embodiment of the present disclosure, the transportation device further comprises: and the control device is connected with the driving structure and is used for controlling the driving structure to work.

According to an embodiment of the present disclosure, the transportation device further comprises: and the sensing device is connected with the control device and used for sensing the weight of the goods on the fork. The control device is further configured to: when the weight sensed by the sensing device is larger than a threshold value, the driving structure is controlled to drive the connecting rod structure to move, so that the supporting wheels are controlled to move relative to the vehicle body to increase the wheel base between the supporting wheels and the driving wheels.

According to the embodiment of the disclosure, the problem that longitudinal stability of the forklift is not increased due to the fact that the wheelbase between the driving wheel and the supporting wheel of the forklift in the related art is fixed and cannot be adjusted can be solved at least partially, and therefore the wheelbase between the driving wheel and the supporting wheel can be effectively changed, so that the load center distance of the forklift is increased, stability is improved, rated lifting capacity is increased, and the like.

Drawings

The above and other objects, features and advantages of the present disclosure will become more apparent from the following description of embodiments of the present disclosure with reference to the accompanying drawings, in which:

fig. 1 schematically illustrates an exemplary application scenario of a transportation device according to an embodiment of the present disclosure;

fig. 2A and 2B schematically illustrate a structural schematic of a transport device according to an embodiment of the present disclosure;

FIG. 3 schematically illustrates a first and second slide rail position schematic according to an embodiment of the disclosure;

FIG. 4 schematically illustrates a structural schematic of a connection structure according to an embodiment of the disclosure; and

fig. 5A and 5B schematically show two operating states of a connection structure according to an embodiment of the disclosure.

Detailed Description

Hereinafter, embodiments of the present disclosure will be described with reference to the accompanying drawings. It should be understood that the description is illustrative only and is not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The terms "comprises," "comprising," and the like, as used herein, specify the presence of stated features, steps, operations, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, or components.

All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. It is noted that the terms used herein should be interpreted as having a meaning that is consistent with the context of this specification and should not be interpreted in an idealized or overly formal sense.

Where a convention analogous to "at least one of A, B and C, etc." is used, in general such a construction is intended in the sense one having skill in the art would understand the convention (e.g., "a system having at least one of A, B and C" would include but not be limited to systems that have a alone, B alone, C alone, a and B together, a and C together, B and C together, and/or A, B, C together, etc.). Where a convention analogous to "A, B or at least one of C, etc." is used, in general such a construction is intended in the sense one having skill in the art would understand the convention (e.g., "a system having at least one of A, B or C" would include but not be limited to systems that have a alone, B alone, C alone, a and B together, a and C together, B and C together, and/or A, B, C together, etc.). It will be further understood by those within the art that virtually any disjunctive word and/or phrase presenting two or more alternative terms, whether in the description, claims, or drawings, should be understood to contemplate the possibilities of including one of the terms, either of the terms, or both terms. For example, the phrase "a or B" should be understood to include the possibility of "a" or "B", or "a and B".

An embodiment of the present disclosure provides a transportation device including a vehicle body, a driving wheel, a support wheel, and a connection structure. The driving wheel is connected with the vehicle body, the vehicle body is connected with the supporting wheel through a connecting structure, and the connecting structure is used for controlling the supporting wheel to move relative to the vehicle body so as to change the wheel base between the supporting wheel and the driving wheel.

Fig. 1 schematically illustrates an exemplary application scenario of a transportation device according to an embodiment of the present disclosure. It should be noted that fig. 1 is only an example of an application scenario in which the embodiments of the present disclosure may be applied to help those skilled in the art understand the technical content of the present disclosure, but does not mean that the embodiments of the present disclosure may not be applied to other devices, systems, environments or scenarios.

As shown in fig. 1, the application scenario includes a transporter 10 and an item 20. The transport device 10 in the disclosed embodiment may be used, for example, to carry, access, or store items 20. The transporter 10 may be a manned transporter or an unmanned transporter.

For example, the transport device 10 may be a forklift device and the article 20 may be placed on the forks of the forklift device for the purpose of the transport device 10 carrying the article 20.

It will be appreciated that the application scenario of fig. 1 is merely an example, and that the transporter 10 may be used in other scenarios requiring a transporter in addition to the use of an article 20.

Fig. 2A and 2B schematically illustrate a structural schematic of a transport device according to an embodiment of the present disclosure.

As shown in conjunction with fig. 2A and 2B, the transportation apparatus may include a vehicle body 100, a driving wheel 200, a support wheel 300, and a connection structure 400. The driving wheel 200 is connected with the vehicle body 100, the vehicle body 100 is connected with the supporting wheel 300 through a connecting structure 400, and the connecting structure 400 is used for controlling the supporting wheel 300 to move relative to the vehicle body 100 so as to change the wheel base between the supporting wheel 300 and the driving wheel 200.

According to the embodiment of the present disclosure, compared to the solution that both the driving wheel and the supporting wheel are fixedly connected to the vehicle body in the prior art, the embodiment of the present disclosure connects the vehicle body 100 and the supporting wheel 300 through the connection structure 400, so that the movement of the supporting wheel 300 relative to the vehicle body 100 can be flexibly controlled, and then the wheel base between the supporting wheel 300 and the driving wheel 200 is changed.

As shown in fig. 2A, the vehicle body 100 may include a body 110, a mast 120, and forks 130. The body 110 is fixedly connected with the driving wheels 200, the mast 120 is fixedly connected with the body 110, and the fork 130 is slidably connected with the mast 120.

In the embodiment of the present disclosure, an engine device may be disposed in the body 110, for example, to drive the driving wheel 200 to work, so as to drive the transportation device to move. If the transportation device is a manned transportation device, a seat, a control lever, and the like may be further provided in the vehicle body 110.

The door frame 120 is fixedly coupled to the body 110. According to the embodiment of the present disclosure, the gantry 120 may be, for example, a square frame structure, and is formed by enclosing two vertical beams arranged in parallel and two horizontal beams arranged horizontally. The vertical beam is provided with a first slide rail 121 and a second slide rail 122 along the length direction, respectively.

In the embodiment of the present disclosure, the structure of the two vertical beams may adopt an H-shaped structure. For example, the two vertical beams of the gantry 120 may be H-section steel. The first slide rail 121 may be disposed at an inner side of two opposite vertical beams, and the second slide rail 122 may be disposed at an outer side of the two opposite vertical beams.

In particular, fig. 3 schematically illustrates a position schematic diagram of the first slide rail 121 and the second slide rail 122 according to an embodiment of the present disclosure.

As shown in fig. 3, which illustrates a cross-sectional top view of the H-shaped gantry 120 in fig. 3, the first slide rail 121 may be disposed at an inner side of two opposite H-shaped gantries, and the second slide rail 122 may be disposed at an outer side of two opposite H-shaped gantries.

The forks 130 may be slidably coupled to the first slide rail 121, and the forks 130 may be movable in a height direction along the first slide rail 121 with respect to the mast 120. For example, the forks 130 may move along the first slide rails 121 in the length direction of the vertical beams, so that the forks 130 may take and lift goods from/to the shelf to/from the ground.

According to an embodiment of the present disclosure, as shown in fig. 2B, the connection structure 400 may include a driving structure 410 and a link structure 420. The driving structure 410 is coupled to the body 110, and the link structure 420 serves to connect the driving structure 410 and the support wheel 300. The driving structure 410 may control the movement of the link structure 420, thereby controlling the movement of the support wheel 300 with respect to the vehicle body 100, and in turn, changing the wheel base between the support wheel 300 and the driving wheel 200.

Specifically, fig. 4 schematically shows a structural schematic diagram of a connection structure according to an embodiment of the present disclosure.

As shown in fig. 4, the driving structure 410 may include a base 411 and a hydraulic device 412.

The base 411 may be fixedly attached to the body 110.

The hydraulic device 412 may be hinged to the base 411. For example, the hinge may be by a pin.

The link structure 420 may include a guide wheel 421, a link 422.

The guide wheel 421 is slidably connected to the second slide rail 122, and the guide wheel 421 can move along the second slide rail 122 relative to the gantry 120.

One end of the connecting rod 422 is hinged with the guide wheel 421, the other end of the connecting rod 422 is hinged with the supporting wheel 300, and the first position of the connecting rod is hinged with the hydraulic device 412, wherein the first position of the connecting rod is positioned between one end of the connecting rod and the other end of the connecting rod.

According to an embodiment of the present disclosure, the hydraulic device 412 may be, for example, a hydraulic cylinder. Hydraulic means 412 may include a cylinder end that may be hinged to base 411 and a piston end that may be hinged to the first position of the connecting rod, thereby relieving the pressure of connecting rod structure 420 and improving the stability of connecting structure 400 as a whole.

The link 422 may have three holes for respectively hinge-connecting the guide wheel 421, the hydraulic device 412 and the support wheel 300 through pins 423. Wherein, the two ends of the connecting rod 422 are respectively connected with the supporting wheel 300 and the guide wheel 421. A suitable location in the middle of the link 422 may be connected to the hydraulic device 412. The rod 422 is moved by the retraction and extension of the piston end of the hydraulic device.

Specifically, fig. 5A and 5B schematically show schematic views of two operating states of a connection structure according to an embodiment of the present disclosure;

as shown in fig. 5A and 5B, when the piston end of the hydraulic device changes from the contracted state to the extended state, the piston end drives the connecting rod 422 to move, the end of the connecting rod 422 connected to the guide wheel 421 moves along the second slide rail 122 from top to bottom, and the end of the connecting rod 422 connected to the support wheel 300 moves along the ground from left to right, so as to increase the axle distance between the support wheel 300 and the driving wheel 200.

When the piston end of the hydraulic device changes from the extension state to the retraction state, the piston end drives the connecting rod 422 to move, the end, connected with the guide wheel 421, of the connecting rod 422 moves from bottom to top along the second slide rail 122, and the end, connected with the supporting wheel 300, of the connecting rod 422 moves from right to left along the ground, so that the axle distance between the supporting wheel 300 and the driving wheel 200 is reduced.

In the embodiment of the present disclosure, the gantry 120 is configured with a first slide rail 121 and a second slide rail 122, wherein the first slide rail 121 provides a moving track for the fork 130, the second slide rail 122 provides a moving track for the guide wheel 421, and the length of the first slide rail 121 may be greater than the length of the second slide rail 122.

In an embodiment of the present disclosure, the door frame 120 may be an H-shaped structure, so that the first slide rail 121 and the second slide rail 122 may be disposed in two opposite grooves of the H-shaped structure. It can be appreciated that the integrally formed H-shaped structure has better strength and can improve stability for the transportation device.

In another embodiment of the present disclosure, the upper portion of the door frame 120 may also be a C-shaped structure, and the lower portion thereof may also be an H-shaped structure, so that the first slide rail 121 may be disposed in the groove at the inner side of the door frame, and the second slide rail 122 may be disposed in the groove at the lower portion of the outer side of the door frame. It can be understood that the portal among the prior art is mostly C type structure to for the fork provides the removal track, this disclosure can increase relative C type structure in the lower part of current portal and provide the removal track for leading wheel 421, thereby can practice thrift the cost, avoid extravagant.

According to an embodiment of the present disclosure, the transportation device 10 may further include a control device and a sensing device. The sensing device is connected with the control device and used for sensing the weight of the goods on the fork. And the control device is connected with the driving structure 410 and is used for controlling the driving structure 410 to work. Specifically, the control device may control the driving structure 410 to drive the link structure 420 to move when the weight sensed by the sensing device is greater than the threshold value, so as to control the supporting wheel 300 to move relative to the vehicle body 100 to increase the wheel base between the supporting wheel 300 and the driving wheel 200.

For example, an electronic scale may be mounted on the fork 130, and when the weight of the electronic scale is greater than the rated load capacity, the controller may control the piston end of the hydraulic device 412 to change from the contracted state to the expanded state, and the piston end drives the connecting rod 422 to move, so as to drive the supporting wheel 300 to move away from the driving wheel 200, and then increase the axial distance between the supporting wheel 300 and the driving wheel 200, thereby increasing the rated load capacity and reducing the possibility of overturning.

The disclosed embodiment connects the vehicle body 100 and the support wheels 300 through the connection structure 400, so that the support wheels 300 can be controlled to move relative to the vehicle body 100 to change the wheelbase between the support wheels 300 and the driving wheels 200, thereby increasing the load center distance of the transportation device, improving the stability and increasing the rated lifting capacity.

Those skilled in the art will appreciate that various combinations and/or combinations of features recited in the various embodiments and/or claims of the present disclosure can be made, even if such combinations or combinations are not expressly recited in the present disclosure. In particular, various combinations and/or combinations of the features recited in the various embodiments and/or claims of the present disclosure may be made without departing from the spirit or teaching of the present disclosure. All such combinations and/or associations are within the scope of the present disclosure.

The embodiments of the present disclosure have been described above. However, these examples are for illustrative purposes only and are not intended to limit the scope of the present disclosure. Although the embodiments are described separately above, this does not mean that the measures in the embodiments cannot be used in advantageous combination. The scope of the disclosure is defined by the appended claims and equivalents thereof. Various alternatives and modifications can be devised by those skilled in the art without departing from the scope of the present disclosure, and such alternatives and modifications are intended to be within the scope of the present disclosure.

Claims

1. A transportation device, comprising:

a vehicle body (100);

a drive wheel (200) connected to the vehicle body (100);

a support wheel (300); and

a connecting structure (400) for connecting the vehicle body (100) and the support wheel (300), the connecting structure (400) being used for controlling the support wheel (300) to move relative to the vehicle body (100) so as to change the wheel base between the support wheel (300) and the driving wheel (200).

2. The transportation apparatus according to claim 1, wherein the vehicle body (100) comprises:

the vehicle body (110), the driving wheel (200) is fixedly connected with the vehicle body (110);

the door frame (120) is fixedly connected with the vehicle body (110), and the door frame (120) comprises a first sliding rail (121); and

a fork (130) coupled to the first slide rail (121), the fork (130) configured to move in a height direction along the first slide rail (121) relative to the mast (120).

3. A transportation device according to claim 2, characterized in that the connection structure (400) comprises:

a drive structure (410) connected to the vehicle body (110); and

a linkage arrangement (420) for connecting the drive arrangement (410) and the support wheel (300),

wherein the drive structure (410) is configured to control the movement of the link structure (420) and thereby the movement of the support wheel (300) relative to the vehicle body (100).

4. A transportation device according to claim 3, characterized in that the drive structure (410) comprises:

the base (411) is fixedly connected with the vehicle body (110); and

a hydraulic device (412) hinged to the base (411).

5. The transportation apparatus as claimed in claim 4, wherein the gantry (120) further comprises a second slide rail (122), the linkage structure (420) comprising:

a guide wheel (421) coupled to the second slide rail (122), the guide wheel (421) configured to move along the second slide rail (122) relative to the gantry (120); and

a connecting rod (422), one end of which is hinged with the guide wheel (421), the other end of which is hinged with the supporting wheel (300), and a first position of which is hinged with the hydraulic device (412), wherein the first position of the connecting rod is located between one end of the connecting rod and the other end of the connecting rod.

6. A transporting arrangement as claimed in claim 5, characterised in that the hydraulic means (412) comprises a cylinder end and a piston end, wherein the cylinder end is hinged with the base (411) and the piston end is hinged with the first position of the connecting rod (422).

7. The transportation device according to any one of claims 5 to 6, wherein the gantry (120) is a square frame structure, and the square frame structure is enclosed by two parallel vertical beams and two horizontal beams, and the vertical beams are respectively provided with the first slide rail (121) and the second slide rail (122) along the length direction.

8. Transport device according to claim 5, wherein the length of the first sliding rail (121) is greater than the length of the second sliding rail (122).

9. The transport device of any one of claims 3-6, further comprising:

the control device is connected with the driving structure (410) and is used for controlling the driving structure (410) to work.

10. The transport device of claim 9, wherein:

the transportation device further comprises: a sensing device connected to the control device, the sensing device being configured to sense the weight of an item located on the forks (130);

the control device is further configured to: when the weight sensed by the sensing device is larger than a threshold value, the driving structure (410) is controlled to drive the connecting rod structure (420) to move, so that the supporting wheel (300) is controlled to move relative to the vehicle body (100) to increase the wheel base between the supporting wheel (300) and the driving wheel (200).