CN106542112A - A kind of connecting bridge lifting column monitors unexpected retraction locking system - Google Patents
A kind of connecting bridge lifting column monitors unexpected retraction locking system Download PDFInfo
- Publication number
- CN106542112A CN106542112A CN201611053451.7A CN201611053451A CN106542112A CN 106542112 A CN106542112 A CN 106542112A CN 201611053451 A CN201611053451 A CN 201611053451A CN 106542112 A CN106542112 A CN 106542112A
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- China
- Prior art keywords
- locking system
- lifting column
- connecting bridge
- locking
- tooth bar
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/30—Ground or aircraft-carrier-deck installations for embarking or disembarking passengers
- B64F1/305—Bridges extending between terminal building and aircraft, e.g. telescopic, vertically adjustable
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/187—Machine fault alarms
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Bridges Or Land Bridges (AREA)
- Prostheses (AREA)
Abstract
The locking system the invention discloses a kind of connecting bridge lifting column monitoring surprisingly bounces back, wherein, include inner sleeve on lifting column, trocar sheath, displacement detecting induction apparatuss and locking system are provided with the trocar sheath, lock block and detection tooth bar are provided with the inner sleeve, the displacement detecting induction apparatuss are detected when detecting that tooth bar is subjected to displacement, locking system can be started, locking is coordinated with lock block by the locking system, lifting column is avoided to bounce back, by locking system of the present invention, can be when connecting bridge be in unartificial lifting, generation rebound phenomenon, timely locking, avoid generation unexpected, ensure the safety of the person and aircraft.
Description
Technical field
The present invention relates to connecting bridge field, more particularly to a kind of unexpected retraction locking system of connecting bridge lifting column monitoring.
Background technology
At present, conventional connecting bridge lifting column is by between column external stent, inner sleeve, the inside and outside sleeve pipe surrounding of column
Nylon slide block and at the top of column inner sleeve base and column external stent between hydraulic jack composition.Connecting bridge rises
Or during step-down operation, by being mounted in the hydraulic jack inside inner sleeve and can stretch out or bouncing back, connecting bridge is risen or fallen therewith.But
It is, during daily normal use, due to being to be contacted by surrounding nylon slide block between the inside and outside sleeve pipe of connecting bridge lifting column
Rub and move therewith, normal locking is realized by hydraulic jack and internal system sealing, because not having correlation behavior
Unexpected retraction locking system is monitored and prevents, therefore when hydraulic jack and internal system sealing go wrong, even if in operation
Member do not carry out any descending operation in the case of, connecting bridge under gravity, meeting between column external stent and inner sleeve
Automatic retracted, to making connecting bridge column surprisingly bounce back, causes
Normal and safe handling；If connecting bridge connects aircraft；Aircraft can be injured and directly contribute aviation safety accident.
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of monitoring of connecting bridge lifting column is unexpected
Retraction locking system, it is intended to solve the problems, such as the improper lifting automatic locking of connecting bridge lifting column.
Technical scheme is as follows：
A kind of connecting bridge lifting column monitors unexpected retraction locking system, wherein, include inner sleeve, overcoat on lifting column
Pipe, displacement detecting induction apparatuss and locking system are provided with the trocar sheath, lock block is provided with the inner sleeve with
And tooth bar is detected, the displacement detecting induction apparatuss are detected when detecting that tooth bar is subjected to displacement, and can start locking system, by described
Locking system coordinates locking with lock block, it is to avoid lifting column bounces back.
The described unexpected retraction locking system of connecting bridge lifting column monitoring, wherein, the lock block is provided with multiple.
The described unexpected retraction locking system of connecting bridge lifting column monitoring, wherein, the lock block is arranged on column
Single-row or biserial, each column is provided with multiple.
The described unexpected retraction locking system of connecting bridge lifting column monitoring, wherein, the detection tooth bar is placed equidistant.
The described unexpected retraction locking system of connecting bridge lifting column monitoring, wherein, the displacement detecting induction apparatuss are provided with
It is multiple, it is correspondingly arranged with detection tooth bar on inner sleeve.
The unexpected retraction locking system of described connecting bridge lifting column monitoring, wherein, the displacement detecting induction apparatuss with it is interior
It is provided with space between detection tooth bar on sleeve pipe, the displacement detecting induction apparatuss obtain the size variation in space judging column is
It is no to be subjected to displacement.
The described unexpected retraction locking system of connecting bridge lifting column monitoring, wherein, the locking system includes installation
Seat, is provided with electromagnetic draw bar, angle push-pull bar, locating sleeve, movable locking clamp, in the activity on the erection support
Driven roller, movable locking clamp chute, clamp spring, wire rope pulley, steel wire rope, steel wire are installed in formula locking clamp
Rope tension spring, spring-loaded governor and alignment pin, after detecting column and being subjected to displacement, the movable locking clamp bullet
Go out, being connected with lock block carries out locking.
The described unexpected retraction locking system of connecting bridge lifting column monitoring, wherein, on the control panel of lifting column
Relay indicating light and audible-visual annunciator are installed, when lifting column bounces back, are changed colour by display lamp and audible-visual annunciator
Alarm.
Beneficial effect：The locking system the invention discloses a kind of connecting bridge lifting column monitoring surprisingly bounces back, wherein, rising
Include inner sleeve, trocar sheath on drop column, displacement detecting induction apparatuss and locking system are provided with the trocar sheath, described
Inner sleeve is provided with lock block and detection tooth bar, and the displacement detecting induction apparatuss are detected when detecting that tooth bar is subjected to displacement,
Locking system can be started, locking is coordinated with lock block by the locking system, it is to avoid lifting column bounces back, by the present invention
The locking system, can occur rebound phenomenon, timely locking when connecting bridge is in improper lifting, it is to avoid unexpected, guarantor occurs
The safety of the barrier person and aircraft.
Description of the drawings
Fig. 1 is the front view of the unexpected retraction locking system of connecting bridge lifting column monitoring of the present invention.
Fig. 2 is the side view of the unexpected retraction locking system of connecting bridge lifting column monitoring of the present invention.
Fig. 3 be the close-up schematic view of the unexpected retraction locking system of connecting bridge lifting column of the present invention monitoring just
View.
Fig. 4 is the side of the close-up schematic view of the unexpected retraction locking system of connecting bridge lifting column monitoring of the present invention
View.
Fig. 5 is the front view of the locking system of the unexpected retraction locking system of connecting bridge lifting column monitoring of the present invention.
Fig. 6 is the side view of the locking system of the unexpected retraction locking system of connecting bridge lifting column monitoring of the present invention.
Specific embodiment
The present invention provides a kind of connecting bridge lifting column monitoring unexpected retraction locking system, to make the purpose of the present invention, skill
Art scheme and effect are clearer, clear and definite, and the present invention is described in more detail below.It should be appreciated that tool described herein
Body embodiment only to explain the present invention, is not intended to limit the present invention.
Locking system, as depicted in figs. 1 and 2, Fig. 1 the invention discloses a kind of connecting bridge lifting column monitoring surprisingly bounces back
For its front view, Fig. 2 is side view, wherein, include inner sleeve 101, trocar sheath 102 on lifting column, in the trocar sheath
102 are provided with displacement detecting induction apparatuss 103 and locking system 104, lock block 105 is provided with the inner sleeve 101 with
And tooth bar 106 is detected, the displacement detecting induction apparatuss 103 are detected when detecting that tooth bar 106 is subjected to displacement, and can start locking system
104, locking is coordinated with lock block 105 by the locking system 104, it is to avoid lifting column bounces back.Device of the present invention,
Locking during contraction improper for connecting bridge column, specifically, internal and external casing coordinates, and displacement detecting sensing is arranged on trocar sheath
Device is monitored to the detection tooth bar on inner sleeve, and when column shrinks, detection tooth bar is relative to displacement monitoring induction apparatuss
It is subjected to displacement, therefore, starting locking system, locking system is coordinated with lock block, carries out locking to inner sleeve and trocar sheath, this
Invent the front view and side view of the close-up schematic view of the unexpected retraction locking system of the connecting bridge lifting column monitoring such as
Shown in Fig. 3 and Fig. 4.
Further, the described unexpected retraction locking system of connecting bridge lifting column monitoring, wherein, the lock block
105 are provided with multiple.Lock block of the present invention be preferably provided with it is multiple, can reduce accident generation probability, even if first
It is secondary could not be locked, moreover it is possible to carry out second locking, meanwhile, multiple blocks are set simultaneously, locking system also can corresponding matching it is multiple
Block is while locking, increases locking dynamics, it is ensured that locking efficiency.
Further, the described unexpected retraction locking system of connecting bridge lifting column monitoring, wherein, the lock block
The 105 single-row or biserials for being arranged on column, each column is provided with multiple.The preferably lock block of the invention is arranged on the double of column
Row, each column is provided with multiple.
Further, the described unexpected retraction locking system of connecting bridge lifting column monitoring, wherein, the detection tooth bar
106 are placed equidistant.Preferred detection tooth bar of the invention is placed equidistant, and coordinates displacement monitoring induction apparatuss, it is ensured that the accuracy of detection.
Further, the described unexpected retraction locking system of connecting bridge lifting column monitoring, wherein, the displacement detecting sense
Answer device 103 to be provided with multiple, be correspondingly arranged with detection tooth bar 106 on inner sleeve 101.The present invention, for the efficiency for ensureing to detect, keeps away
Exempt from unexpected generation, preferred displacement monitoring induction apparatuss are provided with multiple, correspondence detection tooth bar is arranged, being capable of Multiple detection, it is to avoid occur
It is unexpected, locking action is made when there are two detection tooth bar induction apparatuss successively to detect displacement, it is to avoid because of single involuntary maneuver
Cause misoperation.
Further, the described unexpected retraction locking system of connecting bridge lifting column monitoring, wherein, the displacement detecting sense
Answer and between the detection tooth bar 106 on device 103 and inner sleeve 101, be provided with space, the displacement detecting induction apparatuss 103 are obtained and detection
The size variation in the space between tooth bar 106 is judging whether column is subjected to displacement.The present invention, the displacement detecting induction apparatuss with
Space, and space scalable are provided between detection tooth bar on inner sleeve, if directly contact, displacement detecting are carried out, is worked as inspection
Survey and active force is generated between tooth bar and displacement monitoring induction apparatuss, it is possible to produce the damage of monitoring induction apparatuss, now due to position
Move monitoring induction apparatuss and do not detect change in displacement, dangerous generation may be caused.
Further, the described unexpected retraction locking system of connecting bridge lifting column monitoring, as shown in Figure 5 and Figure 6, is lock
The front view and side view of locking apparatus, wherein, the locking system 104 includes erection support 401, on the erection support 401
Electromagnetic draw bar 402, angle push-pull bar 403, locating sleeve 404, movable locking clamp 405 are installed, in the movable lock
Only be provided with clamp 405 driven roller 406, movable locking clamp chute 407, clamp spring 408, wire rope pulley 409,
Steel wire rope 410, lineoutofservice signal pull spring 411, spring-loaded governor 412 and alignment pin 413, are subjected to displacement when column is detected
Afterwards, the movable locking clamp 405 is ejected, and being connected with lock block 105 carries out locking.
Further, the described unexpected retraction locking system of connecting bridge lifting column monitoring, wherein, in the control of lifting column
Relay indicating light and audible-visual annunciator are installed on panel processed, when lifting column bounces back, are changed colour by display lamp and sound
Light crossing-signal alarm.
While the potential safety hazard of current passenger loading bridge lifting column internal and external casing uncontrolled retraction is prevented, with
Enforcement easy for installation, easy on original product, reliability be high, using it is safe the characteristics of, and fully meet current new passenger
Prevent lifting column internal and external casing from surprisingly bouncing back the requirement of locking system described in connecting bridge standard.Described air-bridge lifting is vertical
Post status monitoring and unexpected retraction locking system is prevented, wherein, the inner sleeve, trocar sheath, displacement monitor, prevent accident
Retraction locking system is complete set device, is followed successively by inner sleeve, trocar sheath, monitoring device, prevents accident according to position relationship
Retraction locking system.Be welded with lock block on one face of the inner sleeve tube wall, lock block welding manner is single-row or two row,
Equidistantly, length is isometric with inner sleeve；Detection tooth bar is installed on tube wall face, rack shapes are the equidistant dentation of stripe shape, tooth Small Distance
Greatly, length is isometric with inner sleeve；The outer sleeve bottom is provided with prevents unexpected retraction locking system, monitoring induction apparatuss, prevents
It is unexpected that retraction locking system be installed on a face bottommost of column external stent, and monitoring device induction apparatuss install another face most
Bottom.
When present pre-ferred embodiments are embodied as, its structure is constructed and operation principle is：Structure construction includes：Install and prop up
Driven roller, movable locking in frame, electromagnetic draw bar, angle push-pull bar, locating sleeve, movable locking clamp, locking clamp
Clamp chute, movable locking clamp compression spring, wire rope pulley, steel wire rope, steel wire rope connecting link pin, angle push-pull bar draw
Power extension spring, draft regulator and actuator connecting link pin composition.Operation principle is：When locking system does not work, electromagnetic draw bar not
It is powered, in the presence of angle push-and-pull draw-bar pull extension spring, angle push-pull bar stretches out, by driven roller in movable locking clamp
Effect, movable locking clamp are retracted by jack-up, and leave and keep certain interval, column with lock block on column inner sleeve
Keep normal stretching motion state；When monitoring device detects internal and external casing produces displacement, send the signal of telecommunication and use electromagnetism
Pull bar obtains electric toward pulling back, and angle push-pull bar is retracted, and movable locking clamp is in the presence of compression spring, movable locking clamp
Stretch out, and push up on the tube wall of inner sleeve, until be stuck on the lock block on column inner sleeve tube wall, so as to locking connecting bridge
Lifting column internal and external casing continues retraction, that is, terminate connecting bridge descending motion；Reach the purpose of the uncontrolled decline of locking connecting bridge.
The connecting bridge monitoring system is provided with normal work display lamp and unexpected retraction locking acoustic-optic alarm, installs
Wake up on destination locations in connecting bridge guidance panel, be easy to connecting bridge operator to observe.When connecting bridge normally sends lifting instruction
When（When working such as manual operation or automatic leveling）, monitoring device deenergization is not devoted oneself to work, power supply green indicating lamp does not work；
When connecting bridge does not send lifting instruction（When working such as manual operation or automatic leveling）, monitoring system input normal work
State, green indicating lamp are bright；Now, when such as monitoring device monitors that lifting column internal and external casing surprisingly bounces back, induction apparatuss are monitored
The signal of telecommunication can be sensed and send, the movable locking clamp of triggering locking system stretches out, and keeps off to the locking for being stuck in inner sleeve sealing of tube
On block, stop retracting motion, while red acoustic-optic alarm is loud.
By said mechanism so as to solving current connecting bridge lifting column and cannot monitor and prevent asking for uncontrolled decline
Topic, such scheme accomplish the superiority such as enforcement easy for installation, easy, high, the use safety of reliability on original connecting bridge product
Energy.
In sum, the locking system the invention discloses a kind of monitoring of connecting bridge lifting column surprisingly bounces back, wherein, rising
Include inner sleeve, trocar sheath on drop column, displacement detecting induction apparatuss and locking system are provided with the trocar sheath, described
Inner sleeve is provided with lock block and detection tooth bar, and the displacement detecting induction apparatuss are detected when detecting that tooth bar is subjected to displacement,
Locking system can be started, locking is coordinated with lock block by the locking system, it is to avoid lifting column bounces back, by the present invention
The locking system, can occur rebound phenomenon, timely locking when connecting bridge is in unartificial lifting, it is to avoid unexpected, guarantor occurs
The safety of the barrier person and aircraft.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, and for those of ordinary skills, can
To be improved according to the above description or be converted, all these modifications and variations should all belong to the guarantor of claims of the present invention
Shield scope.
Claims (8)
1. a kind of connecting bridge lifting column monitors unexpected retraction locking system, it is characterised in that include inner sleeve on lifting column
Pipe, trocar sheath, are provided with displacement detecting induction apparatuss and locking system on the trocar sheath, are provided with locking on the inner sleeve
Block and detection tooth bar, the displacement detecting induction apparatuss are detected when detecting that tooth bar is subjected to displacement, and can be started locking system, be led to
Cross the locking system and coordinate locking with lock block, it is to avoid lifting column bounces back.
2. connecting bridge lifting column according to claim 1 monitors unexpected retraction locking system, it is characterised in that the lock
Stop block is provided with multiple.
3. connecting bridge lifting column according to claim 2 monitors unexpected retraction locking system, it is characterised in that the lock
Stop block is arranged on the single-row or biserial of column, and each column is provided with multiple.
4. connecting bridge lifting column according to claim 1 monitors unexpected retraction locking system, it is characterised in that the inspection
Survey tooth bar to be placed equidistant.
5. connecting bridge lifting column according to claim 1 monitors unexpected retraction locking system, it is characterised in that institute's rheme
Move detection induction apparatuss and be provided with multiple, be correspondingly arranged with detection tooth bar on inner sleeve.
6. connecting bridge lifting column according to claim 5 monitors unexpected retraction locking system, it is characterised in that institute's rheme
Space is provided between detection tooth bar on moving detection induction apparatuss and inner sleeve, the displacement detecting induction apparatuss are obtained and tooth bar between
Space size variation judging whether column is subjected to displacement.
7. connecting bridge lifting column according to claim 1 monitors unexpected retraction locking system, it is characterised in that the lock
Locking apparatus include erection support, and electromagnetic draw bar, angle push-pull bar, locating sleeve, movable lock are provided with the erection support
Only clamp, is provided with driven roller, movable locking clamp chute, clamp spring, steel wire in the movable locking clamp
Rope pulley, steel wire rope, lineoutofservice signal pull spring, spring-loaded governor and alignment pin, it is after detecting column and being subjected to displacement, described
Movable locking clamp is ejected, and being connected with lock block carries out locking.
8. connecting bridge lifting column according to claim 1 monitors unexpected retraction locking system, it is characterised in that in lifting
Relay indicating light and audible-visual annunciator are installed on the control panel of column, when lifting column bounces back, are become by display lamp
Color and audible-visual annunciator alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611053451.7A CN106542112B (en) | 2016-11-25 | 2016-11-25 | A kind of unexpected retraction locking system of connecting bridge lifting column monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611053451.7A CN106542112B (en) | 2016-11-25 | 2016-11-25 | A kind of unexpected retraction locking system of connecting bridge lifting column monitoring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106542112A true CN106542112A (en) | 2017-03-29 |
| CN106542112B CN106542112B (en) | 2019-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611053451.7A Active CN106542112B (en) | 2016-11-25 | 2016-11-25 | A kind of unexpected retraction locking system of connecting bridge lifting column monitoring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018228419A1 (en) * | 2017-06-14 | 2018-12-20 | 中国国际海运集装箱(集团)股份有限公司 | Height measurement device and boarding bridge having same |
| CN110136520A (en) * | 2019-04-24 | 2019-08-16 | 吉林省民航机场集团公司 | A kind of connecting bridge simulated experiment platform |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3086152A (en) * | 1960-08-05 | 1963-04-16 | Stanray Corp | Automatic motor-driven leveler for loading ramp |
| JPS57137298A (en) * | 1981-02-17 | 1982-08-24 | Shin Meiwa Ind Co Ltd | Preventive device for falling of body to be lifted in lifting facility |
| CN101585488A (en) * | 2009-06-11 | 2009-11-25 | 洛阳卡瑞起重设备有限公司 | Wire cable rupture protection system |
| CN201872956U (en) * | 2010-11-05 | 2011-06-22 | 蒂森克虏伯机场系统(中山)有限公司 | Electromechanically-lifted boarding bridge |
| CN102556798A (en) * | 2010-12-30 | 2012-07-11 | 洪涛 | Space-wedging anti-falling anti-overspeed emergency braking device used for lifting equipment |
| CN203318688U (en) * | 2013-04-09 | 2013-12-04 | 蒂森克虏伯机场系统(中山)有限公司 | Boarding bridge lifting device adopting double braking mechanisms |
| CN206202727U (en) * | 2016-11-25 | 2017-05-31 | 深圳市富诚机电设备有限公司 | A kind of unexpected retraction locking system of connecting bridge lifting column monitoring |
-
2016
- 2016-11-25 CN CN201611053451.7A patent/CN106542112B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3086152A (en) * | 1960-08-05 | 1963-04-16 | Stanray Corp | Automatic motor-driven leveler for loading ramp |
| JPS57137298A (en) * | 1981-02-17 | 1982-08-24 | Shin Meiwa Ind Co Ltd | Preventive device for falling of body to be lifted in lifting facility |
| CN101585488A (en) * | 2009-06-11 | 2009-11-25 | 洛阳卡瑞起重设备有限公司 | Wire cable rupture protection system |
| CN201872956U (en) * | 2010-11-05 | 2011-06-22 | 蒂森克虏伯机场系统(中山)有限公司 | Electromechanically-lifted boarding bridge |
| CN102556798A (en) * | 2010-12-30 | 2012-07-11 | 洪涛 | Space-wedging anti-falling anti-overspeed emergency braking device used for lifting equipment |
| CN203318688U (en) * | 2013-04-09 | 2013-12-04 | 蒂森克虏伯机场系统(中山)有限公司 | Boarding bridge lifting device adopting double braking mechanisms |
| CN206202727U (en) * | 2016-11-25 | 2017-05-31 | 深圳市富诚机电设备有限公司 | A kind of unexpected retraction locking system of connecting bridge lifting column monitoring |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018228419A1 (en) * | 2017-06-14 | 2018-12-20 | 中国国际海运集装箱(集团)股份有限公司 | Height measurement device and boarding bridge having same |
| CN110136520A (en) * | 2019-04-24 | 2019-08-16 | 吉林省民航机场集团公司 | A kind of connecting bridge simulated experiment platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106542112B (en) | 2019-02-01 |
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Effective date of registration: 20230922 Address after: Building 6, No. 3 Longcheng Road, Nanshan District, Shenzhen City, Guangdong Province, 518054, 503 Patentee after: Chen Wenyi Address before: Room 1010, Poly Building, Nanshan District, Shenzhen, Guangdong Province, 518000 Patentee before: SHENZHEN FUCHENG MECHANICAL AND ELECTRICAL EQUIPMENT CO.,LTD. |