CN219839429U

CN219839429U - Running gear and stacker

Info

Publication number: CN219839429U
Application number: CN202321294982.0U
Authority: CN
Inventors: 邵广文; 左剑萍; 潘登; 胡珊
Original assignee: Shenzhen CIMC Tianda Airport Support Ltd; Shenzhen CIMC Intralogistics Systems Co Ltd
Current assignee: Shenzhen CIMC Tianda Airport Support Ltd; Shenzhen CIMC Intralogistics Systems Co Ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-10-17
Anticipated expiration: 2033-05-25

Abstract

The utility model discloses a traveling device and a stacker. The first driving assembly comprises a first driving source, a first mounting seat and a first driving wheel. The first mounting seat is movably connected to the underframe, the first driving source is arranged on the first mounting seat, and the first driving wheel is connected with the first driving source. The second driving assembly comprises a second driving source, a second mounting seat and a second driving wheel. The second mounting seat is movably connected to the underframe, the second driving source is arranged on the second mounting seat, and the second driving wheel is connected with the second driving source. The track is clamped between the first driving wheel and the second driving wheel, and the first driving wheel and the second driving wheel are respectively in rolling contact with the track. The adjusting component is adjustably connected to the first mounting seat and the second mounting seat and is used for adjusting the pre-pressure among the first driving wheel, the second driving wheel and the track.

Description

Running gear and stacker

Technical Field

The utility model relates to the technical field of warehouse logistics, in particular to a traveling device and a stacker comprising the traveling device.

Background

The stacker is a special device which adopts a fork or a string rod as an object taking device, and is used for grabbing, carrying and stacking at a warehouse, a workshop and the like or taking and placing unit cargoes from a high-rise goods shelf.

In the prior art, a stacker comprises a travelling device by means of which the stacker can travel along a track. However, the running gear in the prior art often slips relative to the rail, affecting the normal running of the stacker.

Disclosure of Invention

The embodiment of the utility model provides a traveling device and a stacker, which are used for solving the problem that the normal operation of the stacker is affected due to the fact that the traveling device slips in the prior art.

The walking device of the embodiment of the utility model is used for walking along a track and comprises:

a chassis;

the first driving assembly comprises a first driving source, a first mounting seat and a first driving wheel; the first mounting seat is movably connected to the underframe, the first driving source is arranged on the first mounting seat, and the first driving wheel is connected with the first driving source;

the second driving assembly comprises a second driving source, a second mounting seat and a second driving wheel; the second mounting seat is movably connected to the underframe, the second driving source is arranged on the second mounting seat, and the second driving wheel is connected with the second driving source; the track is clamped between the first driving wheel and the second driving wheel, and the first driving wheel and the second driving wheel are respectively in rolling contact with the track; and

and the adjusting assembly is adjustably connected with the first mounting seat and the second mounting seat and is used for adjusting the pre-pressure among the first driving wheel, the second driving wheel and the track.

According to some embodiments of the utility model, the rail comprises a first side surface and a second side surface disposed opposite in a thickness direction thereof;

the first driving wheel is in rolling contact with the first side surface, and the second driving wheel is in rolling contact with the second side surface;

the first mounting seat is rotatably connected to the underframe through a first rotating shaft, and the second mounting seat is rotatably connected to the underframe through a second rotating shaft;

the axes of the first rotating shaft and the second rotating shaft are perpendicular to the length direction of the track.

According to some embodiments of the utility model, the adjustment assembly comprises:

one end of the shaft rod is connected with one of the first mounting seat and the second mounting seat;

an adjusting member adjustably connected to the other end of the shaft in an axial direction of the shaft; and

and one end of the elastic structure is abutted with the adjusting piece, and the other end of the elastic structure is abutted with the other one of the first mounting seat and the second mounting seat.

According to some embodiments of the utility model, the first mount is provided with a first perforation and the second mount is provided with a second perforation corresponding to the first perforation;

the shaft rod penetrates through the first perforation and the second perforation.

According to some embodiments of the utility model, the elastic structure comprises:

an elastic member; and

the guide sleeve comprises a sleeve and a sealing cover, wherein a cavity is formed in the sleeve, and openings are formed in two axial ends of the sleeve; the sealing cover is connected to one end of the sleeve and seals one of the openings, the sealing cover is provided with a through hole, the through hole is communicated with the cavity, and the sealing cover is abutted against the other one of the first mounting seat and the second mounting seat;

the elastic piece is accommodated in the cavity of the sleeve through the other opening, the other end of the elastic piece is abutted to the sealing cover, the adjusting piece is abutted to the elastic piece through the other opening, and the shaft rod penetrates through the through hole.

According to some embodiments of the utility model, the adjusting member comprises:

the screw connection piece is in screw connection with the other end of the shaft lever; and

the pressing piece is arranged between the screw-connection piece and the elastic piece and presses the elastic piece through the other opening.

According to some embodiments of the utility model, the walking device further comprises:

a driven wheel rotatably connected to the chassis and in rolling contact with the upper surface of the rail;

the guide wheel set comprises a plurality of first guide wheels and a plurality of second guide wheels, and each first guide wheel and each second guide wheel are rotatably connected to the underframe and are in rolling contact with the track; the rotation axis of the first guide wheel is perpendicular to the rotation axis of the second guide wheel.

According to some embodiments of the utility model, the first driving assembly further comprises a first transmission shaft, the first mounting seat is provided with a first through hole, the first transmission shaft penetrates through the first through hole, one end of the first transmission shaft is connected with the first driving wheel, and the other end of the first transmission shaft is connected with the first driving source;

the second driving assembly further comprises a second transmission shaft, a second through hole is formed in the second mounting seat, the second transmission shaft penetrates through the second through hole, one end of the second transmission shaft is connected with the second driving wheel, and the other end of the second transmission shaft is connected with the second driving source.

The stacker provided by the embodiment of the utility model comprises any one of the travelling devices.

According to some embodiments of the utility model, the stacker further comprises:

the upright post is arranged on the underframe of the walking device;

the cargo carrying platform is connected to the upright post in a lifting manner; the cargo carrying platform and the first driving assembly and the second driving assembly of the walking device are located on the same side of the upright post.

One embodiment of the above utility model has at least the following advantages or benefits:

the running gear of the embodiment of the utility model comprises the adjusting component which is adjustably connected with the first mounting seat and the second mounting seat, and the distance between the first mounting seat and the second mounting seat can be adjusted by operating the adjusting component, so that the pre-pressure among the first driving wheel, the second driving wheel and the track is adjusted. The track is clamped between the first driving wheel and the second driving wheel, and the track is in rolling contact with the two driving wheels, so that the first driving wheel and the second driving wheel can be ensured to be in rolling contact with the track all the time through operating the adjusting component, certain pre-pressure is kept, the situation that the first driving wheel and the second driving wheel slip relative to the track is avoided, the running of the running gear along the track at the ultra-high speed is realized, and the acceleration of the running gear in the starting and stopping processes also meets the requirement of the ultra-high speed running.

Drawings

Fig. 1 shows a schematic diagram of a stacker according to an embodiment of the present utility model.

Fig. 2 is a schematic perspective view of a running gear disposed on a track according to an embodiment of the present utility model.

Fig. 3 is a schematic rear view of the running gear of the embodiment of the utility model disposed on a track.

Fig. 4 shows a schematic view of the first drive assembly, the second drive assembly and the adjustment assembly after assembly.

Figure 5 shows a cross-sectional view of A-A of figure 4.

Fig. 6 shows a cross-sectional view of B-B of fig. 4.

Fig. 7 shows a partial enlarged view at X1 in fig. 6.

Fig. 8 is a schematic side view of the running gear of the embodiment of the utility model disposed on a rail.

Wherein reference numerals are as follows:

1. stacking machine

10. Walking device

20. Upright post

30. Cargo carrying platform

40. Lifting device

100. Chassis frame

200. First drive assembly

210. First driving source

211. First motor

212. First reduction gearbox

220. First mounting seat

221. First perforation

222. First via hole

223. First stop part

223a, first connection hole

230. First driving wheel

240. First rotating shaft

250. First transmission shaft

300. Second drive assembly

310. A second driving source

311. Second motor

312. Second reduction gearbox

320. Second mounting seat

321. Second perforation

323. Second stop part

323a, second connecting hole

330. Second driving wheel

340. Second rotating shaft

350. Second transmission shaft

400. Adjusting assembly

410. Shaft lever

411. Flange

420. Adjusting piece

421. Screw-connection piece

422. Pressing piece

430. Elastic structure

440. Elastic piece

450. Guide sleeve

451. Sleeve barrel

451a cavity

451b, opening

452. Sealing cover

452a, through hole

500. Driven wheel

600. Guiding wheel set

610. First guide wheel

620. Second guide wheel

700. Rail track

701. A first side surface

702. A second side surface

703. Upper surface of

710. Upper rail

720. Middle rail

730. Lower rail

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.

As shown in fig. 1, a stacker 1 of the embodiment of the present utility model includes a traveling device 10, a column 20, a load bed 30, and a lifting device 40. Running gear 10 is capable of moving along a track 700. The upright 20 is provided on the running gear 10, and the cargo bed 30 is connected to the upright 20 in a liftable manner. The lifting device 40 is provided on the traveling device 10, and is used for driving the cargo platform 30 to lift along the upright 20.

It will be understood that the terms "comprising," "including," and "having," and any variations thereof, are intended to cover non-exclusive inclusions in the embodiments of the utility model. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may alternatively include other steps or elements not listed or inherent to such process, method, article, or apparatus.

As shown in fig. 2 and 3, the traveling device 10 according to the embodiment of the present utility model can travel along a track 700 to realize the traveling operation of the stacker 1 on the track 700. The running gear 10 includes a chassis 100, a first drive assembly 200, a second drive assembly 300, and an adjustment assembly 400. The first driving assembly 200 includes a first driving source 210, a first mount 220, and a first driving wheel 230; the first mounting base 220 is movably connected to the chassis 100, the first driving source 210 is disposed on the first mounting base 220, and the first driving wheel 230 is connected to the first driving source 210. The second driving assembly 300 includes a second driving source 310, a second mount 320, and a second driving wheel 330; the second mounting seat 320 is movably connected to the chassis 100, the second driving source 310 is disposed on the second mounting seat 320, and the second driving wheel 330 is connected to the second driving source 310; the track 700 is sandwiched between the first driving wheel 230 and the second driving wheel 330, and the first driving wheel 230 and the second driving wheel 330 are respectively in rolling contact with the track 700. The adjustment assembly 400 is adjustably coupled to the first and second mounting blocks 220 and 320 for adjusting the pre-compression force between the first and second drive wheels 230 and 330 and the rail 700.

The running gear 10 of the embodiment of the utility model comprises the adjusting assembly 400 adjustably connected to the first mounting seat 220 and the second mounting seat 320, and the distance between the first mounting seat 220 and the second mounting seat 320 can be adjusted by operating the adjusting assembly 400, so as to adjust the pre-pressure between the first driving wheel 230, the second driving wheel 330 and the track 700. Because the track 700 is clamped between the first driving wheel 230 and the second driving wheel 330, and the two driving wheels are respectively in rolling contact with the track 700, the first driving wheel 230 and the second driving wheel 330 can be ensured to be always in rolling contact with the track 700 by operating the adjusting assembly 400, and certain pre-pressure is kept, so that the situation that the first driving wheel 230 and the second driving wheel 330 slip relative to the track 700 is avoided, the running of the running gear 10 along the track 700 at an ultra-high speed is realized, and the acceleration of the running gear 10 in the starting and stopping processes also meets the requirement of the ultra-high speed running.

As shown in fig. 2 and 3, the shape of the track 700 may have a variety of embodiments. For example, in an embodiment of the present utility model, the rail 700 has an i-shaped cross-section.

Track 700 includes an upper rail 710, a middle rail 720, and a lower rail 730. The upper rail 710 and the middle rail 720 are disposed opposite to each other in the vertical direction, the middle rail 720 is disposed between the upper rail 710 and the lower rail 730, and one end of the middle rail 720 is connected to the middle position in the width direction of the upper rail 710, and the other end of the middle rail 720 is connected to the middle position in the width direction of the lower rail 730. Thus, the upper rail 710, the middle rail 720 and the lower rail 730 form a rail 700 having an I-shaped cross-section.

The middle rail 720 is provided with a first side surface 701 and a second side surface 702 which are disposed opposite to each other in the thickness direction thereof, the first driving wheel 230 is in rolling contact with the first side surface 701, and the second driving wheel 330 is in rolling contact with the second side surface 702. The side of upper rail 710 facing away from middle rail 720 is provided with an upper surface 703, upper surface 703 being adapted to contact driven wheel 500, as will be described in more detail below.

Of course, in other embodiments, the track 700 may have other shapes, so long as the running gear 10 can run, which is not illustrated herein.

As shown in fig. 2, the first driving assembly 200 further includes a first shaft 240, and the first mount 220 is rotatably connected to the chassis 100 through the first shaft 240; the second driving assembly 300 further includes a second rotation shaft 340, and the second mount 320 is rotatably connected to the chassis 100 through the second rotation shaft 340. The axes of the first and second shafts 240 and 340 are perpendicular to the length direction of the rail 700.

Further, the axis of the first rotating shaft 240 and the axis of the second rotating shaft 340 are perpendicular to the upper rail 710 of the rail 700. In other words, the first mount 220 and the second mount 320 are rotatably connected to the chassis 100 in a horizontal plane.

Of course, in other embodiments, the first mount 220 and the second mount 320 may be movably connected to the chassis 100 along a straight line.

As shown in fig. 3, the first driving source 210 is disposed on a side of the first mounting base 220 facing away from the rail 700, and the first driving wheel 230 is disposed on a side of the first mounting base 220 facing toward the rail 700. The second driving source 310 is disposed on a side of the second mounting seat 320 facing away from the rail 700, and the second driving wheel 330 is disposed on a side of the second mounting seat 320 facing toward the rail 700.

The first driving source 210 includes a first motor 211 and a first reduction gearbox 212, the first reduction gearbox 212 is provided on the first mounting base 220, and the first motor 211 is connected to the first driving wheel 230 through the first reduction gearbox 212. The second driving source 310 includes a second motor 311 and a second reduction gearbox 312, the second reduction gearbox 312 is disposed on the second mounting seat 320, and the second motor 311 is connected to the second driving wheel 330 through the second reduction gearbox 312.

As shown in fig. 4 and 5, the first driving assembly 200 further includes a first transmission shaft 250, the first mounting seat 220 is provided with a first through hole 222, the first transmission shaft 250 is disposed through the first through hole 222, one end of the first transmission shaft 250 is connected with the first driving wheel 230, and the other end of the first transmission shaft 250 is connected with the first reduction gearbox 212 of the first driving source 210.

Similarly, the second driving assembly 300 further includes a second driving shaft 350, the second mounting seat 320 is provided with a second through hole, the second driving shaft 350 is disposed through the second through hole, one end of the second driving shaft 350 is connected with the second driving wheel 330, and the other end of the second driving shaft 350 is connected with the second reduction gearbox 312 of the second driving source 310.

As shown in fig. 6 and 7, in the embodiment in which the first mount 220 and the second mount 320 are both rotatably connected to the bottom chassis 100, one end of the first mount 220 is rotatably connected to the bottom chassis 100 through the first rotation shaft 240, and one end of the second mount 320 is rotatably connected to the bottom chassis 100 through the second rotation shaft 340. The adjustment assembly 400 is adjustably coupled to the other end of the first mount 220 and the other end of the second mount 320.

The adjustment assembly 400 includes a shaft 410, an adjustment member 420, and a resilient structure 430. One end of the shaft 410 is connected to one of the first mount 220 and the second mount 320. An adjusting member 420 is adjustably coupled to the other end of the shaft 410 in the axial direction of the shaft 410. One end of the elastic structure 430 abuts against the adjusting member 420, and the other end abuts against the other of the first mount 220 and the second mount 320, i.e., the mount not connected to the shaft 410.

As an example, one end of the shaft 410 is connected with the first mount 220.

Further, the first mounting seat 220 is provided with a first stopper 223, and the first stopper 223 is provided with a first connection hole 223a. The second mounting seat 320 is provided with a second stop portion 323, and the second stop portion 323 is provided with a second connection hole 323a. One end of the shaft 410 is provided with a flange 411, the shaft 410 is inserted into the first connecting hole 223a and the second connecting hole 323a, and the flange 411 abuts against the first stop portion 223. The other end of the elastic structure 430 abuts against the second stop portion 323 of the second mount 320.

The first mount 220 is provided with a first through hole 221, and the second mount 320 is provided with a second through hole 321 corresponding to the first through hole 221. The shaft 410 is disposed through the first through hole 221 and the second through hole 321.

As shown in fig. 7, the elastic structure 430 includes an elastic member 440 and a guide sleeve 450. The guide sleeve 450 includes a sleeve 451 and a cover 452, a chamber 451a is provided inside the sleeve 451, and openings 451b are provided at both axial ends of the sleeve 451. A cover 452 is attached to one end of the sleeve 451 and closes one of the openings 451b. The cover 452 is provided with a through hole 452a, and the through hole 452a communicates with the chamber 451 a. The cover 452 abuts the second stopper 323 of the second mount 320. The elastic member 440 is accommodated in the cavity 451a of the sleeve 451 through the other opening 451b, the other end of the elastic member 440 abuts against the cover 452, the adjusting member 420 abuts against the elastic member 440 through the other opening 451b, and the shaft 410 is disposed through the through hole 452a.

It is understood that the elastic member 440 may be a spring, and further, the elastic member 440 is a rectangular spring.

Of course, in other embodiments, the elastic member 440 may also be other elastic members, such as elastic rubber members.

As shown in fig. 7, the adjustment member 420 includes a screw 421 and a pressing piece 422. The screw member 421 is screwed to the other end of the shaft 410, and the pressing piece 422 is disposed between the screw member 421 and the elastic member 440 and presses against the elastic member 440 through the other opening 451b.

As shown in fig. 2 and 8, the running gear 10 further includes a driven wheel 500 and a guide wheel set 600. Driven wheel 500 is rotatably coupled to chassis 100 and is in rolling contact with upper surface 703 of track 700. The rotation axis of the driven wheel 500 is disposed horizontally.

In the embodiment of the present utility model, the running gear 10 includes two driven wheels 500, wherein one driven wheel 500 is rotatably connected to one end of the chassis 100, and the other driven wheel 500 is rotatably connected to the other end of the chassis 100. The upright 20 is arranged between the driven wheels 500 and the load table 30 is also arranged between the driven wheels 500 when the load table 30 is in the lowermost position. The rotation axes of the two driven wheels 500 are parallel to each other.

The guide wheel set 600 includes a plurality of first guide wheels 610 and a plurality of second guide wheels 620, each of the first guide wheels 610 and each of the second guide wheels 620 being rotatably connected to the chassis 100 and in rolling contact with the rail 700; wherein the rotation axis of the first guide wheel 610 is perpendicular to the rotation axis of the second guide wheel 620. It will be appreciated that the rotation axis of the first guide wheel 610 is disposed horizontally, and the rotation axis of the second guide wheel 620 is disposed vertically. Of course, in other embodiments, other situations may exist for the arrangement of the guide wheel set 600, such as the rotation axis of the first guide wheel 610 being arranged vertically and the rotation axis of the second guide wheel 620 being arranged horizontally.

Referring to fig. 2 and 8, in the embodiment of the present utility model, a portion of the plurality of first guide wheels 610 is in rolling contact with a side surface of the upper rail 710 facing the lower rail 730, and another portion of the plurality of first guide wheels 610 is in rolling contact with a side surface of the lower rail 730 facing the upper rail 710. In this way, the running gear 10 is prevented from shaking in the vertical direction relative to the rail 700, and a vertical guiding function is achieved.

The plurality of second guide wheels 620 are divided into a plurality of pairs, and two second guide wheels 620 of each pair are respectively provided at both sides of the middle rail 720 in the width direction of the rail 700, and the two second guide wheels 620 are respectively in rolling contact with both side surfaces of the middle rail 720. Thus, the running gear 10 can be prevented from swinging relative to the rail 700 in the width direction of the rail 700, and the horizontal guiding function is achieved.

As shown in fig. 1 and 8, the cargo bed 30 and the first and second drive assemblies 200, 300 of the running gear 10 are located on the same side of the column 20. As shown in fig. 1, when the stacker 1 moves from right to left, since the cargo carrying platform 30, the first driving assembly 200 and the second driving assembly 300 of this embodiment are all located on the right side of the upright post 20, a larger space is reserved on the left side of the upright post 20. In this way, when the stacker 1 moves to a corner of the warehouse, the left side of the column 20 can be as close to the corner of the warehouse as possible, so that the cargo bed 30 can pick up and place cargo located at the corner.

It will be appreciated that the various embodiments/implementations provided by the utility model may be combined with one another without conflict and are not illustrated here.

In the inventive embodiments, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the embodiments of the utility model will be understood by those skilled in the art according to the specific circumstances.

In the description of the embodiments of the utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the utility model and to simplify the description, and do not indicate or imply that the devices or units referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the utility model.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the utility model and is not intended to limit the embodiment of the utility model, and various modifications and variations can be made to the embodiment of the utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present utility model should be included in the protection scope of the embodiments of the present utility model.

Claims

1. A running gear for walking along a track, the running gear comprising:

a chassis;

2. The running gear according to claim 1, wherein the rail includes a first side surface and a second side surface disposed opposite in a thickness direction thereof;

3. The running gear of claim 1 or 2, wherein the adjustment assembly comprises:

4. A running gear according to claim 3, wherein the first mount is provided with a first perforation and the second mount is provided with a second perforation corresponding to the first perforation;

5. A running gear according to claim 3, wherein the resilient structure comprises:

an elastic member; and

6. The running gear of claim 5, wherein the adjustment member comprises:

7. The running gear of claim 1 or 2, wherein the running gear further comprises:

8. The walking device according to claim 1 or 2, wherein the first driving assembly further comprises a first transmission shaft, the first mounting seat is provided with a first through hole, the first transmission shaft penetrates through the first through hole, one end of the first transmission shaft is connected with the first driving wheel, and the other end of the first transmission shaft is connected with the first driving source;

9. A stacker comprising a travelling device according to any one of claims 1 to 8.

10. The stacker of claim 9, further comprising:

the upright post is arranged on the underframe of the walking device;