CN208279997U - A kind of revolution retractable gap bridge device - Google Patents
A kind of revolution retractable gap bridge device Download PDFInfo
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- CN208279997U CN208279997U CN201820765477.2U CN201820765477U CN208279997U CN 208279997 U CN208279997 U CN 208279997U CN 201820765477 U CN201820765477 U CN 201820765477U CN 208279997 U CN208279997 U CN 208279997U
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- gap bridge
- bridge
- revolving platform
- revolution
- hinged
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Abstract
The utility model relates to maritime platform Overbridge device technical field, specifically a kind of revolution retractable gap bridge device is symmetrically arranged at the entrance two sides of revolving platform if there are two stair；The driver's cabin, which is arranged in, to be corresponded on the revolving platform above the stair of side；Two upper side of entrance of revolving platform respectively uses bracket to fix an amplitude oil cylinder；And hydraulic oil container is placed in the inside of revolving platform；Gap bridge is connected to the mobile gap bridge in fixed gap bridge including fixed gap bridge, rail, and the outer end that movement is passed a bridge is outside fixed gap bridge；The top two sides of described fixed one end passed a bridge are hinged with the telescopic rod of two amplitude oil cylinders respectively；The lower section of described fixed one end passed a bridge and the revolving platform of corresponding position are hinged；The upper end of the mobile hinged inclined ladder in outer end passed a bridge；And the bottom end of the inclined ladder is equipped with idler wheel.Compared with the existing technology, all there are stair in the two sides of revolving platform to the utility model, easy for going up and down；Hydraulic oil container is integrated in inside revolving platform, greatly reduces space hold.
Description
Technical field
The utility model relates to maritime platform Overbridge device technical field, specifically a kind of revolution retractable gap bridge dress
It sets.
Background technique
Personnel and goods and materials transfer are often carried out with the high speed development of marine worker industry, between maritime platform, pervious
Material supply mode majority is lifted by crane using loop wheel machine, and the modes such as barge shift.But people still needs cage, the modes such as rope ladder are real
It is existing.Occur turning round flexible Overbridge device later, substantially increase transfer efficiency, big but there is occupied spaces, height is too
Height, the unreasonable situation of stair.
Utility model content
The purpose of the utility model is to overcome prior art deficiencies, provide a kind of rationally distributed, compact-sized, reduction occupancy
The revolution retractable gap bridge device in space.
To achieve the above object, a kind of revolution retractable gap bridge device is designed, comprising:
Marine worker deck platform；
The pedestal being installed in the marine worker deck platform；
Revolving platform at the top of pedestal is installed on using floating bearing, is connected on floating bearing using gear and drives its rotation
Motor；
The stair between marine worker deck platform and revolving platform and being located at by pedestal are set；
Driver's cabin on revolving platform is set；
It is hinged on the gap bridge of the symmetrical side of the entrance side of revolving platform；
It is hinged on the cushioning and supporting device of the bottom surface of the outer end of gap bridge；
It is characterized by:
There are two the stair are set, it is symmetrically arranged at the entrance two sides of revolving platform；
The driver's cabin, which is arranged in, to be corresponded on the revolving platform above the stair of side；
Two upper side of entrance of the revolving platform respectively uses bracket to fix an amplitude oil cylinder；And hydraulic oil container is placed in back
The inside of turntable.
The gap bridge is connected to the mobile gap bridge in fixed pass a bridge, and the outer end that movement is passed a bridge including fixed gap bridge, rail
In outside fixed pass a bridge；The top two sides of described fixed one end passed a bridge are hinged with the telescopic rod of two amplitude oil cylinders respectively；Institute
The lower section of the fixed one end passed a bridge stated and the revolving platform of corresponding position are hinged；
The upper end of the mobile hinged inclined ladder in outer end passed a bridge；And the bottom end of the inclined ladder is equipped with idler wheel.
Mobile pass a bridge is additionally provided with driving device between fixed gap bridge, and the driving device includes:
Hydraulic motor；
The hydraulic motor is fixedly mounted in supporting table thereon；And the shaft of hydraulic motor is located at after the supporting table
The lower section of supporting table；
Gear, axis connect in the end of the shaft of the hydraulic motor；
The four corners of bottom surface of the stabilizer blade loaded on the supporting table are respectively adopted in idler wheel；The idler wheel is placed in fixed gap bridge
On bridge floor；
Otic placode is combined, is put down including side plate, the bottom plate for being vertically installed in side plate bottom edge, the spacing side of being set on the bottom plate and with bottom plate
Capable upper plate makes the section approximation for combining otic placode in inverted-F；There are two the combination otic placode is set, the top of side plate is solid respectively
It is scheduled on a symmetrical side of the bottom surface of the supporting table, and combines otic placode and is located between two idler wheels of corresponding side；
Wheel shaft, both ends, which rotate to be connected to respectively, connects bottom plate, on upper plate；
Directive wheel, axis connect on the wheel shaft between bottom plate, upper plate；
Two U-boards are separately fixed on mobile pass a bridge, and the upper and lower parallel walls of the open side of U-board are respectively fitted over institute
State the top of the upper plate of combination otic placode and the lower section of bottom plate；And the directive wheel of the driving device is connected in the U-lag of U-board
Trough floor on；The bottom edge of the U-board is higher than the bottom of the idler wheel；
Rack gear, along the length direction arrangement of the lateral surface of the trough floor of any U-board, the flank of tooth is engaged with the gear；
When work, successively forward or reverse, gear moves forward or back hydraulic motor along rack gear for drive shaft, gear, thus
Driving the supporting table for being equipped with idler wheel and being moved through while bridge location moves also drives directive wheel to move in the path that U-board limits.
Transversely at least provided with two directive wheels on each combination otic placode.
The supporting table is totally square, the both ends point of the two sidewalls of the supporting table on the correspondence idler wheel moving direction
Not She You connecting plate, the lateral wall of the connecting plate is equipped with elastic buffering mechanism, the deformation side of the elastic buffering mechanism
To parallel with the moving direction of idler wheel.
The top surface of the amplitude oil cylinder is flushed with the fixed top surface passed a bridge.
Baffle is respectively equipped at the mobile bottom surface two close end passed a bridge；
Limiting buffer device is additionally provided with close at outer end on the fixed gap bridge between two baffles；Two baffles
The line of bottom surface be located at below the top surface of the limiting buffer device.
The limiting buffer device uses polyurethane bumper absorber.
The top of the bracket is hinged using the first otic placode and the amplitude oil cylinder；
The telescopic rod of the amplitude oil cylinder is hinged using the second otic placode and the top of fixed one end passed a bridge；
It is equipped with third otic placode on the revolving platform and the lower section of fixed one end passed a bridge is hinged；
It is connected between the bracket place near to the upper end and the third otic placode using oblique support.
The cushioning and supporting device is totally in truncated cone.
Maximum rotation angle is 15 degree to the gap bridge upward or downward.
Compared with the existing technology, above and below personnel when driver's cabin, all there are stair in the two sides of revolving platform to the utility model,
It is on one side uplink, is on one side downlink, uplink and downlink separation not only substantially increases safety, but also easy for going up and down, work easy to carry
Make article；
Hydraulic oil container is integrated in inside revolving platform, places fuel tank it is not necessary that a space is separately provided in exterior space, greatly
Reduce space hold greatly, more saves also more beautiful while cost.
Detailed description of the invention
Fig. 1 is the top view of the utility model.
Fig. 2 is the main view of the utility model.
Fig. 3 is the structural schematic diagram that driving device partial cutaway is shown in the utility model, and idler wheel is not shown in the figure.
Fig. 4 is that the right view after hydraulic motor is removed in Fig. 3.
Fig. 5 is the top view of Fig. 4.
Fig. 6 is that the cut-away view after hydraulic motor is removed in Fig. 3, and idler wheel is not shown in the figure.
Fig. 7 is the D-D cut-away view of the round tube in Fig. 5.
Fig. 8 is the partial top view that the gap bridge of driving device is equipped in the utility model.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings, and the utility model is for those skilled in the art
Or it is relatively more clear.
Embodiment 1
Referring to FIG. 1 to FIG. 2, a kind of revolution retractable gap bridge device, comprising:
Marine worker deck platform 12；
The pedestal 1 being installed in the marine worker deck platform；
It is installed on the revolving platform 2 at 1 top of pedestal using floating bearing, is connected on floating bearing using gear and drives its rotation
Motor；
Stair 3 that are between marine worker deck platform 12 and revolving platform 2 and being located at by pedestal are set；
Driver's cabin 5 on revolving platform 2 is set；
It is hinged on the gap bridge of the symmetrical side of the entrance side of revolving platform 2；
It is hinged on the cushioning and supporting device 8 of the bottom surface of the outer end of gap bridge, when gap bridge stretches to scheduled length, Ke Yiluo
Onto deck, play the role of supporting and fixing；
It is characterized by:
There are two the stair 3 are set, it is symmetrically arranged at the entrance two sides of revolving platform 2；
The driver's cabin 5 is arranged on the revolving platform 2 for corresponding to 3 top of side stair；
Two upper side of entrance of the revolving platform 2 respectively uses bracket 2-1 to fix an amplitude oil cylinder 4；And hydraulic oil container
It is placed in the inside of revolving platform 2.
Described passing a bridge includes the mobile gap bridge 7 fixing 6, rail of passing a bridge and being connected in fixed gap bridge 6, and mobile gap bridge 7 is outer
End is located at outside fixed gap bridge 6；It is described it is fixed pass a bridge 6 one end the top two sides telescopic rod with two amplitude oil cylinders 4 respectively
Hingedly；The lower section of one end of the fixed gap bridge 6 and the revolving platform 2 of corresponding position are hinged.When work, it is upper that gap bridge, which can do amplitude,
Under ± 15 ° of rotation, facilitate and overlapped, be suitable for different situations；
The upper end of the hinged inclined ladder 9 in outer end of the mobile gap bridge 7；And the bottom end of the inclined ladder 9 is equipped with idler wheel.It is being moved through
It is additionally provided with pin and hole below the hinged place of bridge 7, pin, the wheel meeting of 9 lower end of inclined ladder can be pulled out when doing stretching motion
It moves synchronously, can occur with situation angle changing to adapt to different situations, in transportational process or off working state
In, the fixed inclined ladder 9 of pin can be plugged to play the role of protection.
In this example, symmetrical two stair are set in 2 two sides of revolving platform, uplink and downlink separation not only substantially increases safety,
And easy for going up and down, work article easy to carry.Hydraulic oil container is integrated in inside revolving platform 2, without individually setting in exterior space
A space is set to place hydraulic oil container, greatly reduces space hold, is more saved also more beautiful while cost.
Further, the top surface of the amplitude oil cylinder 4 is flushed with the top surface of fixed gap bridge 6, and the height for reducing gap bridge accounts for
With space, and it is more beautiful and generous.
Further, the top of the bracket 2-1 is hinged using the first otic placode and the amplitude oil cylinder 4；The luffing
The telescopic rod of oil cylinder 4 is hinged using the second otic placode and the top of one end of fixed gap bridge 6；Third is equipped on the revolving platform 2
Otic placode and the lower section of one end of fixed gap bridge 6 are hinged；Using oblique between the bracket 2-1 place near to the upper end and the third otic placode
Support 2-2 connection.
Further, maximum rotation angle is 15 degree to the gap bridge upward or downward.
Further, it is in truncated cone that the cushioning and supporting device 8 is overall, guarantees stability when stress.
Embodiment 2
Referring to Fig. 3~Fig. 8, this example is improvement on the basis of embodiment 1, and mainly change is the mobile gap bridge 7
Include: the driving device 10 fixed between gap bridge 6
Hydraulic motor 10-1；
The hydraulic motor 10-1 is fixedly mounted in supporting table 10-2 thereon；And the shaft of hydraulic motor 10-1 is through described
It is located at the lower section of supporting table 10-2 after supporting table 10-2；
Gear 10-8, axis connect in the end of the shaft of the hydraulic motor 10-1；
The four corners of bottom surface of the stabilizer blade 10-41 loaded on the supporting table 10-2 are respectively adopted in idler wheel 10-4；The idler wheel
10-4 is placed on the bridge floor of fixed gap bridge；
Otic placode 10-9 is combined, is set including side plate 10-91, the bottom plate 10-92 for being vertically installed in the bottom edge side plate 10-91, spacing
Above bottom plate 10-92 and the upper plate 10-93 parallel with bottom plate 10-92, make the section approximation for combining otic placode 10-9 in inverted-F；
The combination otic placode 10-9 is separately fixed at the one of the bottom surface of the supporting table 10-2 there are two setting at the top of side plate 10-91
Symmetrical side, and combine otic placode 10-9 and be located between two idler wheel 10-4 of corresponding side；
Wheel shaft 10-61, both ends, which rotate to be connected to respectively, to be connect on bottom plate 10-92, upper plate 10-93；
Directive wheel 10-6, axis connect on the wheel shaft 10-61 between bottom plate 10-92, upper plate 10-93；
Two U-board 10-5 are separately fixed on mobile gap bridge 7, and the upper and lower parallel walls of the open side of U-board 10-5
It is respectively fitted over the top of the upper plate 10-93 of the combination otic placode 10-9 and the lower section of bottom plate 10-92；And the driving device is led
In the trough floor in U-lag for being connected to U-board 10-5 to wheel 10-6；The bottom edge of the U-board 10-5 is higher than the idler wheel 10-
4 bottom；
Rack gear 10-7, along the length direction arrangement of the lateral surface of the trough floor of any U-board 10-5, the flank of tooth and the tooth
Take turns 10-8 engagement；
When work, successively forward or reverse, gear 10-8 is along rack gear 10-7 by drive shaft, gear 10-8 by hydraulic motor 10-1
It moves forward or back, also drives directive wheel while to drive the supporting table 10-2 and mobile 7 displacement of gap bridge equipped with idler wheel 10-4
10-6 is moved in the path that U-board 10-5 is limited.Realize that the stretching motion passed a bridge, the directive wheel follow sliding to play guiding
Effect not only reduce the parking space of gap bridge to realize the flexible of gap bridge, also facilitate storage, also more secure and reliable
It is adapted to different situations.
The hydraulic oil container being placed in inside revolving platform 2, in addition to being also hydraulic motor fuel feeding for amplitude oil cylinder fuel feeding.
Further, baffle 7-1 is respectively equipped at the bottom surface two close end of the mobile gap bridge 7；Positioned at two baffle 7-1 it
Between described fixed pass a bridge limiting buffer device 6-1 is additionally provided with close at outer end on 6, limiting buffer device 6-1 described in this example
Using polyurethane bumper absorber；The line of the bottom surface of two baffle 7-1 is located at below the top surface of the limiting buffer device 6-1.Work as shifting
Dynamic gap bridge 7 can play the role of limiting buffer in stretching or recycling, if in addition there is the emergency of system down
When, the impact dynamics passed a bridge and be subject to can be effectively reduced, to play the role of protection staff and equipment.
Further, referring to fig. 4, the bottom of the stabilizer blade 10-41 is inclined outwardly, and makes stabilizer blade 10-41 and supporting table 10-2
Between angle be 95~100 °, keep its bottom more stable, and be easy dispersion stress.
Further, it referring to Fig. 3 and Fig. 6, is set between the top of the upper plate 10-93 and the inside of side plate 10-91
There are several stiffening plate 10-94, increases intensity.
Further, referring to Fig. 6, the stiffening plate 10-94 is L-shaped.
Further, referring to fig. 4, transversely at least provided with two directive wheel 10-6 on each combination otic placode 10-9,
Keep its operation more stable.
Further, it is totally square referring to Fig. 5 and Fig. 8, the supporting table 10-2；It is mobile in the correspondence idler wheel 10-4
The both ends of the two sidewalls of supporting table 10-2 on direction are respectively equipped with connecting plate 10-10, the lateral wall of the connecting plate 10-10
It is equipped with elastic buffering mechanism 10-3, the deformation direction of the elastic buffering mechanism 10-3 and the moving direction of idler wheel 10-4 are flat
Row.When gap bridge work, the buffer unit 10-3 in driving device can be waited in special circumstances out of control, be functioned well as
Buffer function protects protection driving device.Solve the problems, such as that driving device brought by rigid connection is easy to damage, wears.
Further, referring to Fig. 3~Fig. 6, the upper surface of the inner sidewall of the connecting plate 10-10 and supporting table 10-2 it
Between be additionally provided with stiffener plate 10-101.
Further, referring to Fig. 3, Fig. 5, Fig. 6, four walls of the supporting table 10-2 are enclosed using round tube 10-21,
The inner sidewall of four round tube 10-21 is separately connected four sides of a joint face 10-22, and the joint face 10-22, which is equipped with, is used for liquid
The shaft hole 10-23 that the shaft of pressure motor 1 passes through.Impact force dispersion can be fallen well using hollow round tube 10-21.
Further, referring to Fig. 3 and Fig. 5~Fig. 7, four walls of the supporting table 10-2 are using flange plate 10-24's
Round tube 10-21 assembles.
Claims (10)
1. a kind of revolution retractable gap bridge device, comprising:
Marine worker deck platform (12)；
The pedestal (1) being installed in the marine worker deck platform；
Revolving platform (2) at the top of pedestal (1) is installed on using floating bearing, is connected on floating bearing using gear and drives its rotation
Motor；
The stair (3) for being arranged between marine worker deck platform (12) and revolving platform (2) and being located at by pedestal；
The driver's cabin (5) being arranged on revolving platform (2)；
It is hinged on the gap bridge of the symmetrical side of the entrance side of revolving platform (2)；
It is hinged on the cushioning and supporting device (8) of the bottom surface of the outer end of gap bridge；
It is characterized by:
The stair (3) are symmetrically arranged at the entrance two sides of revolving platform (2) there are two setting；
Driver's cabin (5) setting is on corresponding to the revolving platform (2) above side stair (3)；
Two upper side of entrance of the revolving platform (2) respectively uses bracket (2-1) to fix an amplitude oil cylinder (4)；And hydraulic oil
Case is placed in the inside of revolving platform (2)；
The gap bridge is connected to the fixed mobile gap bridge (7) passed a bridge in (6) including fixed gap bridge (6), rail, and (7) are passed a bridge in movement
Outer end be located at and fixed pass a bridge (6) outside；It is described it is fixed pass a bridge (6) one end top two sides respectively with two amplitude oil cylinders
(4) telescopic rod is hinged；The lower section of one end of the fixed gap bridge (6) and the revolving platform (2) of corresponding position are hinged；
The upper end of the hinged inclined ladder in outer end (9) of the mobile gap bridge (7)；And the bottom end of the inclined ladder (9) is equipped with idler wheel.
2. a kind of revolution retractable gap bridge device as described in claim 1, which is characterized in that it is described it is mobile pass a bridge (7) with admittedly
It is additionally provided with driving device (10) between fixed gap bridge (6), the driving device (10) includes:
Hydraulic motor (10-1)；
The hydraulic motor (10-1) is fixedly mounted in supporting table (10-2) thereon；And the shaft of hydraulic motor (10-1) runs through institute
State the lower section that supporting table (10-2) is located at supporting table (10-2) afterwards；
Gear (10-8), axis connect in the end of the shaft of the hydraulic motor (10-1)；
The four corners of the bottom surface of stabilizer blade (10-41) loaded on the supporting table (10-2) are respectively adopted in idler wheel (10-4)；The idler wheel
(10-4) is placed on the bridge floor of fixed gap bridge；
Combine otic placode (10-9), including side plate (10-91), the bottom plate (10-92) that is vertically installed in the bottom edge side plate (10-91),
Away from upper plate (10-93) above bottom plate (10-92) and parallel with bottom plate (10-92) is set to, make the section for combining otic placode (10-9)
Approximation is in inverted-F；The combination otic placode (10-9) is separately fixed at the support at the top of side plate (10-91) there are two setting
One symmetrical side of the bottom surface of platform (10-2), and combine otic placode (10-9) and be located between two idler wheels (10-4) of corresponding side；
Wheel shaft (10-61), both ends, which rotate to be connected to respectively, connects bottom plate (10-92), on upper plate (10-93)；
Directive wheel (10-6), axis connect on the wheel shaft (10-61) between bottom plate (10-92), upper plate (10-93)；
Two U-boards (10-5) are separately fixed on mobile gap bridge (7), and the open side of U-board (10-5) is upper and lower parallel
Wall is respectively fitted over the top of the upper plate (10-93) of combination otic placode (10-9) and the lower section of bottom plate (10-92)；And the driving
The directive wheel (10-6) of device is connected in the trough floor in the U-lag of U-board (10-5)；The bottom edge of the U-board (10-5)
Higher than the bottom of the idler wheel (10-4)；
Rack gear (10-7), along the length direction arrangement of the lateral surface of the trough floor of any U-board (10-5), the flank of tooth and the tooth
Take turns (10-8) engagement；
When work, successively forward or reverse, gear (10-8) is along rack gear for drive shaft, gear (10-8) for hydraulic motor (10-1)
(10-7) is moved forward or back, thus while driving the supporting table (10-2) and mobile gap bridge (7) displacement equipped with idler wheel (10-4)
Also directive wheel (10-6) is driven to move in the path that U-board (10-5) limits.
3. a kind of revolution retractable gap bridge device as claimed in claim 2, which is characterized in that each combination otic placode (10-
9) transversely at least provided with two directive wheels (10-6) on.
4. a kind of revolution retractable gap bridge device as claimed in claim 2, which is characterized in that the supporting table (10-2) is overall
It is square, the both ends of the two sidewalls of the supporting table (10-2) on the correspondence idler wheel (10-4) moving direction are respectively equipped with connection
The lateral wall of plate (10-10), the connecting plate (10-10) is equipped with elastic buffering mechanism (10-3), the elastically damping device
The deformation direction for setting (10-3) is parallel with the moving direction of idler wheel (10-4).
5. a kind of revolution retractable gap bridge device as described in claim 1, which is characterized in that the top of the amplitude oil cylinder (4)
Face is flushed with the fixed top surface for passing a bridge (6).
6. a kind of revolution retractable gap bridge device as described in claim 1, which is characterized in that
Baffle (7-1) is respectively equipped at the bottom surface two close end of the mobile gap bridge (7)；
Limiting buffer device (6- is additionally provided with close at outer end on the fixed gap bridge (6) between two baffles (7-1)
1)；The line of the bottom surface of two baffles (7-1) is located at below the top surface of the limiting buffer device (6-1).
7. a kind of revolution retractable gap bridge device as claimed in claim 6, which is characterized in that the limiting buffer device (6-
1) polyurethane bumper absorber is used.
8. a kind of revolution retractable gap bridge device as described in claim 1, which is characterized in that
The top of the bracket (2-1) is hinged using the first otic placode and the amplitude oil cylinder (4)；
The telescopic rod of the amplitude oil cylinder (4) is hinged using the second otic placode and the top of one end of fixed gap bridge (6)；
It is equipped with third otic placode on the revolving platform (2) and the lower section of one end of fixed gap bridge (6) is hinged；
It is connected between bracket (2-1) place near to the upper end and the third otic placode using oblique support (2-2).
9. a kind of revolution retractable gap bridge device as described in claim 1, it is characterised in that: the cushioning and supporting device (8)
Overall is in truncated cone.
10. a kind of revolution retractable gap bridge device as described in claim 1, it is characterised in that: the gap bridge is upward or downward
Maximum rotation angle is 15 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820765477.2U CN208279997U (en) | 2018-05-22 | 2018-05-22 | A kind of revolution retractable gap bridge device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820765477.2U CN208279997U (en) | 2018-05-22 | 2018-05-22 | A kind of revolution retractable gap bridge device |
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| Publication Number | Publication Date |
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| CN208279997U true CN208279997U (en) | 2018-12-25 |
Family
ID=64730211
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| CN201820765477.2U Active CN208279997U (en) | 2018-05-22 | 2018-05-22 | A kind of revolution retractable gap bridge device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144373A (en) * | 2019-06-28 | 2020-12-29 | 比亚迪股份有限公司 | Rail vehicle transfer method, system, device, electronic equipment and storage medium |
-
2018
- 2018-05-22 CN CN201820765477.2U patent/CN208279997U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144373A (en) * | 2019-06-28 | 2020-12-29 | 比亚迪股份有限公司 | Rail vehicle transfer method, system, device, electronic equipment and storage medium |
| CN112144373B (en) * | 2019-06-28 | 2022-01-07 | 比亚迪股份有限公司 | Rail vehicle transfer method, system, device, electronic equipment and storage medium |
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