CN204473074U - A kind of swinging ladder vehicle of ship - Google Patents
A kind of swinging ladder vehicle of ship Download PDFInfo
- Publication number
- CN204473074U CN204473074U CN201420844543.7U CN201420844543U CN204473074U CN 204473074 U CN204473074 U CN 204473074U CN 201420844543 U CN201420844543 U CN 201420844543U CN 204473074 U CN204473074 U CN 204473074U
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- ladder
- workplatform
- hinged
- car chassis
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- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 239000012530 fluid Substances 0.000 claims description 29
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 19
- 230000009471 action Effects 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 8
- 230000007306 turnover Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a kind of swinging ladder vehicle of ship, it comprises car chassis, floating ladder, middle ladder, boarding ladder, lifting mechanism and control system, be characterised in that and be provided with workplatform, slide platform, rotation platform, revolving support, double leval jib bracing frame, pitching cylinder and travel mechanism, car chassis rear end is provided with lifting mechanism, front end is provided with directive slide track, lifting mechanism lower end is connected with car chassis, upper end is connected with workplatform, middle terraced upper end and workplatform side are hinged, lower end is connected with directive slide track through roller, and workplatform upper end is provided with slide platform, and slide platform lower end is connected with workplatform, upper end is fixedly connected with revolving support, rotation platform lower end is connected with revolving support, and upper end is connected with floating ladder body cradle, and floating ladder lower end and floating ladder body cradle are hinged, upper end is hinged through double leval jib bracing frame and boarding ladder, have take up room little, turning channel circular diameter is little, domain of walker is large, facilitate transition, the advantage such as in place.
Description
Technical field
The utility model relates to harbour passenger traffic facility technology field, specifically a kind of swinging ladder vehicle of ship.
Background technology
As everyone knows, passenger wharf is picked when passenger goes by ship and is generally used Simple ladder, and Simple ladder generally adopts steel fixed sturcture, the common fixing cat ladder of similar reinforcing, and top front has two hooks, and two cardan wheels are arranged at bottom; Hook is hung and is overlapped with ship side, formation passenger's walking channel between ground and ship side with fork truck or other lifting mechanism after beaching by wheel by anterior for Simple ladder lifting.The overall fluctuating with hull of Simple ladder forms three-dimensional and rocks, and passenger walks difficult and there is potential safety hazard on simple and easy ladder.For the roll-on-roll-off ship that ship side is higher, simple and easy ladder mounting difficulty.
In order to solve the problems of the technologies described above, the patent No. was 200310114685.4 to the applicant in SEPARATE APPLICATION in 2003, patent name is swinging ladder vehicle of ship and the patent No. is 200310114684.X, patent name is the invention of rotary swinging ladder vehicle of ship, although two kinds of swinging ladder vehicle of ship all solve above-mentioned technical matters, but also exist following substantive not enough: one is take up room greatly, two is that swinging ladder vehicle of ship length dimension is excessive in use, add turning channel circular diameter, add the transition of swinging ladder vehicle of ship, difficulty in place, simultaneously, this ship's ladder only has boarding ladder to float with ship, domain of walker is little, regulate very inconvenience.
Equally, the applicant is in the patent of invention of the patent No. to Chinese patent application in 2007 to be 200710122972.8 patent names be swinging ladder vehicle of ship, it comprises car chassis and boarding ladder, described car chassis is provided with hydraulic lifting shear shank, hydraulic lifting shear shank top is provided with the lifting table upwards promoted by this lifting shear shank entirety, being provided with by rotating mechanism above lifting table can the rotation platform of left rotation and right rotation, described boarding ladder is located on described rotation platform, boarding ladder front end is provided with the mechanism of mounting ship side, lifting table described in the side also having fixed ladder to be located at described hydraulic lifting shear shank connects and car chassis, car chassis is also provided with the chassis ladder connecting ground.Its advantage is that boarding ladder is arranged on car chassis by lifting mechanism, requirement for height elevator being risen to roll-on-roll-off ship can be needed according to steamer height, and by the boarding ladder that is slidably installed three-dimensional rocked to become and fluctuate, enhance the sense of security of passenger, it is comfortable that fixed ladder and protection make passenger walk.But its substantive deficiency is: one is complex structure, for ensureing load-carrying capacity, shear shank adopts multiple fluid cylinder to drive simultaneously, produces there is error, the synchronism of difficult safety action due to fluid cylinder; Two is that stationarity is poor, and during work, rotation platform together will rotate together with floating ladder, causes rotation platform to be easy to produce and affects the safety of ascending stair personnel; Three is that swinging ladder vehicle of ship length dimension is excessive in use, adds turning channel circular diameter, adds the transition of swinging ladder vehicle of ship, difficulty in place, and meanwhile, this ship's ladder only has boarding ladder to float with ship, and domain of walker is little, regulates very inconvenience.
Summary of the invention
The purpose of this utility model solves above-mentioned the deficiencies in the prior art, provide a kind of novel structure, easy to operate, take up room little, turning channel circular diameter is little, domain of walker is large, facilitate transition, the swinging ladder vehicle of ship of in place, safety and steady.
The utility model solves the technical scheme that its technical matters adopts:
A kind of swinging ladder vehicle of ship, comprise car chassis, floating ladder, middle ladder, boarding ladder, lifting mechanism and control system, it is characterized in that being provided with workplatform, slide platform, rotation platform, revolving support, double leval jib bracing frame, pitching cylinder and travel mechanism, on the auxiliary beam assembly of described car chassis, surface rear end is provided with lifting mechanism, side, front end is provided with directive slide track, described lifting mechanism lower end is fixedly connected with car chassis, upper end is fixedly connected with workplatform, terraced upper end, described centre and workplatform side are hinged, lower end is through roller and directive slide track sliding block joint, under the effect of lifting mechanism, the object reaching and rise or decline is moved along directive slide track to make middle ladder, described workplatform upper end is provided with slide platform, described slide platform lower end is connected with workplatform with travel mechanism through sideslipway, and drive along workplatform transverse shifting through travel mechanism, upper end is fixedly connected with revolving support, be beneficial to drive slide platform along workplatform transverse shifting by travel mechanism, described rotation platform lower end is fixedly connected with revolving support, upper end is fixedly connected with floating ladder body cradle, be beneficial to drive rotation platform to horizontally rotate by revolving support, and then drive floating ladder to horizontally rotate, reach take up room little, turning channel circular diameter is little, facilitate transition, effect in place.
The utility model can be provided with floating regulating device between described boarding ladder and rotation platform, it comprises double leval jib bracing frame and pitching fluid cylinder, the described double leval jib body cradle side of being body, be hinged by cylinder to form, described floating ladder bottom surface is fixed on double leval jib body cradle side, described double leval jib body cradle lower surface is fixedly connected with rotation platform, upper surface is fixedly connected with boarding ladder, described pitching fluid cylinder upper end and floating ladder body cradle top are hinged, lower end and floating ladder bottom are hinged, be beneficial to by driving pitching fluid cylinder, floating ladder is driven to face upward or nutation, simultaneously, under the effect of double leval jib body cradle, no matter what kind of angle floating ladder is in, boarding ladder can be made to remain at horizontality, reach and use steadily, safe and reliable effect.
The utility model can be provided with tail ladder in the directive slide track front end of car chassis front end, described tail ladder upper end is connected with the extending cylinder that car chassis is provided with, lower end is connected with support roller, by extending cylinder drive tail ladder reach or after move, reach tail ladder and prop or receive role.
Lifting mechanism described in the utility model adopts vertical type, it comprises left unit articulated bracket, right unit articulated bracket and lifting fluid cylinder, after described left unit articulated bracket and right unit articulated bracket two ends are hinged, middle hinged through hinge, upper end is fixedly connected with workplatform, lower end is fixedly connected with car chassis or auxiliary beam assembly through bracing frame, described lifting fluid cylinder lower end and left unit articulated bracket are hinged, upper end and hinge are hinged, drive lifting mechanism to rise by lifting fluid cylinder or decline, reaching the effect of stable elevation.
The utility model can be provided with 0 ° of detector switch and 90 ° of detector switches on slide platform, described 0 ° of detector switch is connected respectively at control system with 90 ° of detector switches, be beneficial to rotation platform is positioned at 0 ° of position or 90 ° of positions, reach easy to operate effect.
The type of drive that travel mechanism described in the utility model can adopt two-way fluid cylinder, chain to be connected with sprocket wheel, the type of drive that also leading screw, nut can be adopted to be connected with drive motor.
Boarding ladder front end described in the utility model is provided with ship side clutch mechanism, to reach effect easy to connect.
Revolving support described in the utility model can adopt swing bearing.
Power system in control system described in the utility model is composed in parallel by power takeoff Hydraulic Pump and electrical machinery hydraulic pump, power takeoff Hydraulic Pump by power takeoff pluck from extension incompatible control its whether operate; Whether electrical machinery hydraulic pump controls it by the source switch of motor and operates.
The utility model can be provided with hydraulic lifting supporting leg in car chassis lower end, and described hydraulic lifting supporting leg, through solenoid control, improves the effect of stability to reach.
The utility model is owing to adopting said structure, because lifting mechanism is horizontally installed on car chassis or auxiliary beam assembly rear end, and the length of lifting table is less than the width of car chassis, to make volume compact, significantly reduce car body overall length, thus reduce turn inside diameter passage circle, facilitate swinging ladder vehicle of ship transition and in place, there is the advantage such as novel structure, easy to operate, take up room little, turning channel circular diameter is little, domain of walker large, facilitate transition, in place, safety and steady.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model motoring condition.
Fig. 2 is the structural representation of floating ladder of the present utility model 0 ° of detector switch position.
Fig. 3 is the structural representation of floating ladder of the present utility model 90 ° of detector switch positions.(removing car chassis)
Fig. 4 is the birds-eye view of Fig. 3.
Reference numeral: car chassis 1, floating ladder 2, middle ladder 3, boarding ladder 4, lifting mechanism 5, workplatform 6, slide platform 7, rotation platform 8, revolving support 9, double leval jib bracing frame 10, pitching cylinder 11, travel mechanism 12, auxiliary beam assembly 13, directive slide track 14, roller 15, floating ladder body cradle 16, tail ladder 17, support roller 18, left unit articulated bracket 19, right unit articulated bracket 20, lifting fluid cylinder 21, hinge 22, hydraulic lifting supporting leg 23.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is further illustrated:
As shown in Figure 1, a kind of swinging ladder vehicle of ship, comprise car chassis 1, floating ladder 2, middle ladder 3, boarding ladder 4, lifting mechanism 5 and control system, it is characterized in that being provided with workplatform 6, slide platform 7, rotation platform 8, revolving support 9, double leval jib bracing frame 10, pitching cylinder 11 and travel mechanism 12, on the auxiliary beam assembly 13 of described car chassis 1, surface rear end is provided with lifting mechanism 5, side, front end is provided with directive slide track 14, described lifting mechanism 5 lower end is fixedly connected with car chassis 1, upper end is fixedly connected with workplatform 6, terraced 3 upper ends, described centre and workplatform 6 side are hinged, lower end is through roller 15 and directive slide track 14 sliding block joint, under the effect of lifting mechanism 5, the object reaching and rise or decline is moved along directive slide track 14 to make middle ladder 3, described workplatform 6 upper end is provided with slide platform 7, described slide platform 7 lower end is connected with workplatform 6 with the travel mechanism 12 matched through sideslipway, and drive along workplatform 6 transverse shifting through travel mechanism 12, upper end is fixedly connected with revolving support 9, be beneficial to drive slide platform 7 along workplatform 6 transverse shifting by travel mechanism 12, described rotation platform 8 lower end is fixedly connected with revolving support 9, upper end is fixedly connected with floating ladder body cradle 16, be beneficial to drive rotation platform 8 to horizontally rotate by revolving support 9, and then drive floating ladder 2 to horizontally rotate, reach take up room little, turning channel circular diameter is little, facilitate transition, effect in place.
The utility model can be provided with floating regulating device between described boarding ladder and rotation platform, it comprises double leval jib bracing frame and pitching fluid cylinder 11, described double leval jib body cradle 10 is the described double leval jib body cradle side of being bodies, be hinged by cylinder to form, described floating ladder 2 bottom surface is fixed on double leval jib body cradle 10 side, described double leval jib body cradle 10 lower surface is fixedly connected with rotation platform 8, upper surface is fixedly connected with boarding ladder 4, described pitching fluid cylinder 11 upper end and floating ladder body cradle 16 top are hinged, lower end and floating ladder 2 bottom are hinged, be beneficial to by driving pitching fluid cylinder, floating ladder is driven to face upward or nutation, simultaneously, under the effect of double leval jib body cradle 10, no matter what kind of angle floating ladder is in, boarding ladder can be made to remain at horizontality, reach and use steadily, safe and reliable effect.
The utility model can be provided with tail ladder 17 in directive slide track 14 front end of car chassis 1 front end, described tail ladder 17 upper ends are connected with the extending cylinder that car chassis 1 or auxiliary beam assembly are provided with, lower end is connected with support roller 18, by extending cylinder drive tail ladder 17 reach or after move, reach tail ladder 17 and prop or receive role.
The utility model also can be provided with turnover ladder (not shown) in car chassis 1 side, and described turnover ladder controls it through upset fluid cylinder and packs up or put down.
Lifting mechanism 5 described in the utility model adopts vertical type, it comprises left unit articulated bracket 19, right unit articulated bracket 20 and lifting fluid cylinder 21, after described left unit articulated bracket 19 and right unit articulated bracket 20 two ends are hinged, middle hinged through hinge 22, upper end is fixedly connected with workplatform 6, lower end is fixedly connected with car chassis 1 or auxiliary beam assembly 13 through bracing frame, described lifting fluid cylinder 21 lower end and left unit articulated bracket 19 are hinged, upper end and hinge 22 are hinged, drive lifting mechanism to rise by lifting fluid cylinder 21 or decline, reaching the effect of stable elevation.
The utility model can be provided with 0 ° of detector switch and 90 ° of detector switch (not shown)s on slide platform 7, described 0 ° of detector switch box 90 ° of detector switches are connected respectively at control system, be beneficial to rotation platform is positioned at 0 ° of position or 90 ° of positions, reach easy to operate effect.
The type of drive that travel mechanism 12 described in the utility model can adopt two-way fluid cylinder, chain to be connected with sprocket wheel, the type of drive that also leading screw, nut can be adopted to be connected with CD-ROM drive motor, this structure is prior art, and this does not describe in detail.
Boarding ladder front end described in the utility model is provided with ship side clutch mechanism, to reach effect easy to connect.
Revolving support described in the utility model can adopt swing bearing.
Power system in control system described in the utility model is composed in parallel by power takeoff Hydraulic Pump and electrical machinery hydraulic pump, and power takeoff Hydraulic Pump plucking from whether it operates with hanging incompatible control by power takeoff is power driven hydraulic work system for adopting driving engine; Whether electrical machinery hydraulic pump controls it by the source switch of motor and operates, available external source drive hydraulic system principle work, emissions reduction.
The utility model can arrange extending cylinder in car chassis 1 or auxiliary beam assembly 13, and described extending cylinder is connected with turnover ladder through jointed shaft, and described extending cylinder stretches through solenoid control, drives upset tail ladder to realize draw-in and draw-off function.
Car chassis 1 described in the utility model leads in addition the working stand (not shown) of the lifting table fallen, fixed ladder can be climbed up by turnover ladder to go on board, or climb up working stand to make staff carries out the docking operation with passenger boat to lifting table.
The utility model is when docking with passenger boat, operation control system, control system drives hydraulic lifting supporting leg 23, tail ladder 17 or upset fluid cylinder, the action of lifting fluid cylinder 21, tail ladder 17 or turnover ladder is made to extend to car chassis 1 lower end and land, lifting mechanism 5 rises under the effect of lifting fluid cylinder 21, simultaneously, control system drives travel mechanism 12 action, slide platform 7 is driven to move to workplatform 6 other end and close to hull side, control system drives swing type mechanism 9 action again, drive floating ladder 2 to car chassis 1 one sideway swivel, after 90 ° of detector switches detect the information that puts in place of floating ladder 2, control system controls swing type mechanism 9 and stops action, drive pitching fluid cylinder 11 action again, on floating ladder, the boarding ladder 4 of 2 ends is under the effect of double leval jib bracing frame 10, and idler wheel mechanism on the hung over ship side be provided with by boarding ladder 4 front portion and passenger boat are mounted, and fluctuated or slide anteroposterior by the fluctuating of floating ladder 2 along with overlap joint ship side, the three-dimensional of hull is rocked and is converted into fluctuating and slide anteroposterior of floating ladder 2, ensure that boarding ladder 4 is in horizontality all the time, when finishing using, control system travel mechanism 12 action, slide platform 7 is driven to move to workplatform 6 other end, boarding ladder 4 is separated with passenger boat, swing type mechanism 9 action, rotation platform 8 is driven to drive floating ladder 2 to car chassis 1 center steering, when 0 ° of detector switch detects that floating ladder 2 puts in place after signal, control system and instruction swing type mechanism 9 stop action, pitching fluid cylinder 11 action, drives floating ladder 2 to deflect down, simultaneously, lifting fluid cylinder 21 in lifting mechanism 5 bounces back, and in the middle of driving, ladder 3 moves along directive slide track 14, tail ladder 17 is recycled on car chassis 1 under the effect of extending cylinder, or turnover ladder turn on car chassis 1 or auxiliary beam assembly under the effect of upset fluid cylinder, the operator's compartment top of car chassis 1 front end is touched bottom final boarding ladder, finally, hydraulic lifting supporting leg 23 reclaims, and swinging ladder vehicle of ship leaves passenger boat.
The utility model is owing to adopting said structure, because lifting mechanism is horizontally installed on car chassis or auxiliary beam assembly rear end, and the length dimension of lifting table is also less than car chassis lateral dimension, width is less, to make volume compact, significantly to reduce car body overall length, thus reduce turn inside diameter passage circle, facilitate swinging ladder vehicle of ship transition and in place, there is the advantage such as novel structure, easy to operate, take up room little, turning channel circular diameter is little, domain of walker large, facilitate transition, in place, safety and steady.
Claims (8)
1. a swinging ladder vehicle of ship, comprise car chassis, floating ladder, middle ladder, boarding ladder, lifting mechanism and control system, it is characterized in that being provided with workplatform, slide platform, rotation platform, revolving support, double leval jib bracing frame, pitching cylinder and travel mechanism, on the auxiliary beam assembly of described car chassis, surface rear end is provided with lifting mechanism, side, front end is provided with directive slide track, described lifting mechanism lower end is fixedly connected with car chassis, upper end is fixedly connected with workplatform, terraced upper end, described centre and workplatform side are hinged, lower end is through roller and directive slide track sliding block joint, described workplatform upper end is provided with slide platform, described slide platform lower end is connected with workplatform with travel mechanism through sideslipway, and drive along workplatform transverse shifting through travel mechanism, upper end is fixedly connected with revolving support, described rotation platform lower end is fixedly connected with revolving support, upper end is fixedly connected with floating ladder body cradle.
2. a kind of swinging ladder vehicle of ship according to claim 1, it is characterized in that being provided with floating regulating device between described boarding ladder and rotation platform, it comprises double leval jib bracing frame and pitching fluid cylinder, the described double leval jib body cradle side of being body, be hinged by cylinder to form, described floating ladder bottom surface is fixed on double leval jib body cradle side, described double leval jib body cradle lower surface is fixedly connected with rotation platform, upper surface is fixedly connected with boarding ladder, described pitching fluid cylinder upper end and floating ladder body cradle top are hinged, and lower end and floating ladder bottom are hinged.
3. a kind of swinging ladder vehicle of ship according to claim 1, is characterized in that the directive slide track front end of described car chassis front end is provided with tail ladder, and described tail ladder upper end is connected with the extending cylinder that car chassis is provided with, and lower end is connected with support roller.
4. a kind of swinging ladder vehicle of ship according to claim 1, it is characterized in that described lifting mechanism adopts vertical type, it comprises left unit articulated bracket, right unit articulated bracket and lifting fluid cylinder, after described left unit articulated bracket and right unit articulated bracket two ends are hinged, middle hinged through hinge, upper end is fixedly connected with workplatform, and lower end is fixedly connected with car chassis or auxiliary beam assembly through bracing frame, described lifting fluid cylinder lower end and left unit articulated bracket are hinged, and upper end and hinge are hinged.
5. a kind of swinging ladder vehicle of ship according to claim 1, it is characterized in that described slide platform is provided with 0 ° of detector switch and 90 ° of detector switches, described 0 ° of detector switch is connected respectively at control system with 90 ° of detector switches.
6. a kind of swinging ladder vehicle of ship according to claim 1, is characterized in that described boarding ladder front end is provided with ship side clutch mechanism.
7. a kind of swinging ladder vehicle of ship according to claim 1, is characterized in that described revolving support can adopt swing bearing.
8. a kind of swinging ladder vehicle of ship according to claim 1, is characterized in that described car chassis lower end is provided with hydraulic lifting supporting leg, and described hydraulic lifting supporting leg controls lifting through electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420844543.7U CN204473074U (en) | 2014-12-29 | 2014-12-29 | A kind of swinging ladder vehicle of ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420844543.7U CN204473074U (en) | 2014-12-29 | 2014-12-29 | A kind of swinging ladder vehicle of ship |
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| Publication Number | Publication Date |
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| CN204473074U true CN204473074U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420844543.7U Withdrawn - After Issue CN204473074U (en) | 2014-12-29 | 2014-12-29 | A kind of swinging ladder vehicle of ship |
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| Country | Link |
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| CN (1) | CN204473074U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494786A (en) * | 2014-12-29 | 2015-04-08 | 威海广泰空港设备股份有限公司 | Rotary type passenger elevator vehicle for ship |
| CN105156016A (en) * | 2015-08-27 | 2015-12-16 | 华德宝机械（昆山）有限公司 | Embarkation equipment |
| CN105346680A (en) * | 2015-12-04 | 2016-02-24 | 山东科技大学 | Motorized ship accommodation ladder device |
| CN107351984A (en) * | 2017-08-25 | 2017-11-17 | 华德宝机械（昆山）有限公司 | A kind of traveler boarding bridge cab apron and the boarding bridge comprising the cab apron |
| CN110172900A (en) * | 2019-06-19 | 2019-08-27 | 中能电力科技开发有限公司 | A kind of across the guardrail-type suspension bridge structure of offshore wind farm engineering blower maintenance |
-
2014
- 2014-12-29 CN CN201420844543.7U patent/CN204473074U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494786A (en) * | 2014-12-29 | 2015-04-08 | 威海广泰空港设备股份有限公司 | Rotary type passenger elevator vehicle for ship |
| CN104494786B (en) * | 2014-12-29 | 2017-03-08 | 威海广泰空港设备股份有限公司 | Swinging ladder vehicle of ship |
| CN105156016A (en) * | 2015-08-27 | 2015-12-16 | 华德宝机械（昆山）有限公司 | Embarkation equipment |
| CN105156016B (en) * | 2015-08-27 | 2017-04-12 | 华德宝机械（昆山）有限公司 | Embarkation equipment |
| CN105346680A (en) * | 2015-12-04 | 2016-02-24 | 山东科技大学 | Motorized ship accommodation ladder device |
| CN107351984A (en) * | 2017-08-25 | 2017-11-17 | 华德宝机械（昆山）有限公司 | A kind of traveler boarding bridge cab apron and the boarding bridge comprising the cab apron |
| CN107351984B (en) * | 2017-08-25 | 2023-04-07 | 华德宝机械（昆山）有限公司 | Passenger boarding bridge cab apron and boarding bridge comprising same |
| CN110172900A (en) * | 2019-06-19 | 2019-08-27 | 中能电力科技开发有限公司 | A kind of across the guardrail-type suspension bridge structure of offshore wind farm engineering blower maintenance |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150715 Effective date of abandoning: 20171114 |
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| AV01 | Patent right actively abandoned |