CN106219271A - A kind of large transport airplane goods and materials loading/unloading platform car - Google Patents

A kind of large transport airplane goods and materials loading/unloading platform car Download PDF

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Publication number
CN106219271A
CN106219271A CN201510970349.2A CN201510970349A CN106219271A CN 106219271 A CN106219271 A CN 106219271A CN 201510970349 A CN201510970349 A CN 201510970349A CN 106219271 A CN106219271 A CN 106219271A
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CN
China
Prior art keywords
rolling
goods
chassis
platform
hinged
Prior art date
Application number
CN201510970349.2A
Other languages
Chinese (zh)
Inventor
安红
张家应
陈思杨
李子珍
吕游
王彦峰
刘国良
武晨光
储庆中
李怀刚
Original Assignee
中国人民解放军空军勤务学院
威海广泰空港设备股份有限公司
Priority date (The priority date 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 date listed.)
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Application filed by 中国人民解放军空军勤务学院, 威海广泰空港设备股份有限公司 filed Critical 中国人民解放军空军勤务学院
Priority to CN201510970349.2A priority Critical patent/CN106219271A/en
Publication of CN106219271A publication Critical patent/CN106219271A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/22Horizontal loading or unloading platforms

Abstract

A kind of large transport airplane goods and materials loading/unloading platform car, including by the adjustable chassis of property, described chassis is connected by device for adjusting posture delivery platform, the front end of described delivery platform is provided with driver's cabin, the delivery platform at described driver's cabin rear is provided with the retractable cat ladder being connected with chassis, the rear end of described delivery platform is provided with the electrical system of modular, and described chassis is provided with the hydraulic system of dynamical system and modular.The chassis of the present invention effectively increase car load by property, add the suitable environment of loading/unloading platform, the setting of device for adjusting posture simultaneously makes platform truck ensure that the stationarity that delivery platform moves under the requirement meeting lift height.

Description

A kind of large transport airplane goods and materials loading/unloading platform car

Technical field

The present invention relates to goods and materials handling facilities field, airport, specifically a kind of large transport airplane goods and materials loading/unloading platform car.

Background technology

Existing loading/unloading platform car has the drawback that one is that mobility is poor.The chassis road clearance is low, and wheel diameter is little, can only travel on airport, is unsatisfactory for the use requirement of special environment.Two is that performance capacity is on the low side.The jacking capacity of airport elevating platform car can not meet existing job requirements, and working performance is relatively low;And maximum lift height is unsatisfactory for loading and unloading requirement.Three is that part Failure Rate of Weapon Equipment is high, and oil leakage of hydraulic system is serious.

Summary of the invention

To be solved by this invention it has a problem in that the deficiency overcoming above-mentioned prior art, it is provided that a kind of easy to operate, respond well large transport airplane goods and materials loading/unloading platform car.

The present invention realizes with following technical scheme: a kind of large transport airplane goods and materials loading/unloading platform car, including by the adjustable chassis of property, described chassis is connected by device for adjusting posture delivery platform, the front end of described delivery platform is provided with driver's cabin, the delivery platform at described driver's cabin rear is provided with the retractable cat ladder being connected with chassis, the rear end of described delivery platform is provided with the electrical system of modular, and described chassis is provided with the hydraulic system of dynamical system and modular.

It is further: be fixedly connected with equalizing type of suspension between middle wheel and the wheel shaft of trailing wheel on described chassis, vertical between described equalizing type of suspension and delivery platform it is hinged with by the assistance for lifting oil cylinder of HYDRAULIC CONTROL SYSTEM, described assistance for lifting oil cylinder and equalizing type of suspension are hinged on the horizontal centre position of equalizing type of suspension, described equalizing type of suspension is connected to the rear end on chassis by rotating bracket, one end of described rotation bracket is fixed on equalizing type of suspension, and the other end of described rotation bracket is hinged on the rear end on chassis by rotating shaft.

Connecting shaft and the rotating shaft of the hinged place at described assistance for lifting oil cylinder two ends are provided with cast aluminium copper bush, and described sleeve inner surface is machined with oil groove.

Described device for adjusting posture is made up of the shear shank rotating bracket be arranged on rotation bracket, described rotation bracket is arranged on chassis, described interior shear shank is provided with hoist cylinder with rotating tray chamber, one end of described hoist cylinder is hinged on the middle and upper part of interior shear shank, the other end of described hoist cylinder is hinged on rotation bracket, described outer shear shank is made up of outer shear arm and the folding arm shear shank being hinged on outer shear arm upper end, it is provided with folding arm oil cylinder between described folding arm shear shank and outer shear arm, one end of described folding arm oil cylinder is hinged on folding arm shear shank, the other end of described folding arm oil cylinder is together with the upper end thereof of outer shear arm.

Described outer shear shank is identical with interior shear shank length, and described interior shear shank is hinged with outer shear shank symmetry.

Described delivery platform includes carrying platform, the both sides of described carrying platform respectively arrange a goods guide plate, the middle of carrying platform is provided with lifting and drives rolling device, described lifting drives rolling device to be divided into three groups, each group is driven rolling to form by three liftings, is each provided with two and is parallel to each other and the rolling support parallel with goods guide plate rolling between described lifting driving rolling device and goods guide plate.

Three groups of liftings drive rolling enforcement packet to control;The lifting of arbitrary group drives rolling after rise, and lifting drives the upper edge upper plane higher than rolling support rolling of rolling;The lifting of arbitrary group drives rolling after landing, and lifting drives the upper edge upper plane less than rolling support rolling of rolling.

Described retractable cat ladder is made up of upper stepladder and lower stepladder, described upper stepladder upper end thereof is on transmission platform, described lower stepladder hypomere is hinged on chassis, described upper stepladder lower end and lower stepladder epimere are connected by slide rail, described slide rail is opened on the strut of lower stepladder both sides, and upper stepladder lower slide is connected in the slide rail in lower stepladder.

Present invention have the advantage that the chassis of the present invention effectively increases the property passed through of car load, add the suitable environment of loading/unloading platform, the setting of device for adjusting posture simultaneously makes platform truck ensure that the stationarity that delivery platform moves under the requirement meeting lift height, additionally hydraulic system have employed modular organization, shorten fluid pressure line, reduce pipeline and arrange difficulty, and decrease the pressure loss and reduce complete vehicle weight, substantially increase maintaining performance, electric-control system also uses modular organization, drastically reduce the area wire consumption simultaneously, improve car load maintainability and reduce the usage amount of non-ferrous metal.

Accompanying drawing explanation

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the schematic diagram of platform truck of the present invention;

Fig. 3 is that chassis of the present invention adjusts structural representation;

Fig. 4 is the structural representation of the device for adjusting posture of the present invention;

Fig. 5 is the structural representation of the delivery platform of the present invention;

Fig. 6 is the sectional view of the delivery platform of the present invention;

Fig. 7 is the structural representation of the retractable cat ladder of the present invention;

In figure: 1, driver's cabin, 2, retractable cat ladder, 3, delivery platform, 4, electrical system, 5, chassis, 6, dynamical system, 7, hydraulic system, 8, device for adjusting posture, 26, upper stepladder, 27, slide rail, 28, lower stepladder, 31, carrying platform, 32, goods guide plate, 33, lifting drives rolling device, 34, lifting drives rolling, 35, rolling support rolls, 52, equalizing type of suspension, 53, assistance for lifting oil cylinder, 54, rotate bracket, 56, rotating shaft, 81, interior shear shank, 82, outer shear shank, 83, outer shear arm, 84, folding arm oil cylinder, 85, folding arm shear shank, 86, hoist cylinder, 87, rotate bracket.

Detailed description of the invention

A kind of large transport airplane goods and materials loading/unloading platform car as shown in Fig. 1 to 2 figure, including by the adjustable chassis of property 5, described chassis 5 is connected by device for adjusting posture 8 delivery platform 3, the front end of described delivery platform 3 is provided with driver's cabin 1, the delivery platform at described driver's cabin 1 rear is provided with the retractable cat ladder 2 being connected with chassis 5, the rear end of described delivery platform 3 is provided with the electrical system 4 of modular, and described chassis 5 is provided with the hydraulic system 7 of dynamical system 6 and modular.Large transport airplane goods and materials loading/unloading platform car of the present invention is hydrostatic driveline mobile device, and complete machine is mainly made up of driver's cabin (operation bench), retractable cat ladder, delivery platform, hydrostatic walking chassis, device for adjusting posture, dynamical system, hydraulic system, electrical system, illuminator etc..Carrying capacity of chassis is strong, the road clearance can this change according to the change of work pattern or the difference of pavement behavior, there is the functions such as goods transport, lifting platform, platform stance adjustment, goods transmission, possess certain cross-country power.Additionally electrical system and hydraulic system all use modular construction, assembly process process is taken into account based on functional module, add complete vehicle structure compactedness, shorten fluid pressure line, reduce pipeline and arrange difficulty, reduce the pressure loss, reduce complete vehicle weight, improve maintaining performance, and make full use of shear shank gap layout fluid pressure line and electric wire, reduce, as oil circuit, the explosion hidden danger that pipeline flexural deformation is likely to occur greatly even with shear shank rotating shaft.Electric-control system also uses modular organization based on CAN communication, and the transmission substituting analog signals with digital communication improves Electro Magnetic Compatibility, drastically reduce the area wire consumption simultaneously, improves car load maintainability and reduces the usage amount of non-ferrous metal.

A kind of large transport airplane goods and materials loading/unloading platform car as shown in Figure 1 to Figure 3, it is fixedly connected with equalizing type of suspension 52 between middle wheel and the wheel shaft of trailing wheel on described chassis 5, vertical between described equalizing type of suspension 52 and delivery platform 3 it is hinged with the assistance for lifting oil cylinder 53 controlled by hydraulic system 7, described assistance for lifting oil cylinder 53 and equalizing type of suspension 52 are hinged on the horizontal centre position of equalizing type of suspension 52, described equalizing type of suspension 52 is connected to the rear end on chassis 5 by rotating bracket 54, one end of described rotation bracket 54 is fixed on equalizing type of suspension 52, the other end of described rotation bracket 54 is hinged on the rear end on chassis 5 by rotating shaft 56.Connecting shaft and the rotating shaft 56 of the hinged place at described assistance for lifting oil cylinder 53 two ends are provided with cast aluminium copper bush, and described sleeve inner surface is machined with oil groove.The mountain, chassis of the present invention is provided with equalizing type of suspension, and equalizing type of suspension has two pieces, is arranged symmetrically in vehicle frame both sides, and middle wheel is arranged on equalizing type of suspension front end, and trailing wheel is arranged on equalizing type of suspension rear end;The cylinder body of auxiliary lifting oil cylinder is hinged on upper position in the middle of equalizing type of suspension, and auxiliary lifting cylinder upper end withstands on delivery platform lower surface;Auxiliary lifting oil cylinder connects into platform truck hydraulic system, when assistance for lifting oil cylinder is in lowest compression state, the height of platform truck meets takes into account minimum altitude requirement under duty, there is bigger height relief on the road surface travelled when platform or needs to meet the air transportation requirement that random accompanying support goes on or off the plane voluntarily, will pass through control the flexible of assistance for lifting oil cylinder and realize the chassis regulation by property, platform truck is made to meet different work requirements, each rotating shaft position all uses cast aluminium copper bush, sleeve inner surface processing oil groove, oil duct is processed on axle, axle head installs priming cup, ensure that rotary part frictional resistance is little, flexible movements are reliable.

nullA kind of large transport airplane goods and materials loading/unloading platform car as shown in Figure 1 and Figure 4,Described device for adjusting posture 8 is made up of the shear shank rotating bracket 87 be arranged on rotation bracket 87,Described rotation bracket 87 is arranged on chassis 5,It is provided with hoist cylinder 86 between described interior shear shank 81 and rotation bracket 87,One end of described hoist cylinder 86 is hinged on the middle and upper part of interior shear shank 81,The other end of described hoist cylinder 86 is hinged on rotation bracket 87,Described outer shear shank 82 is made up of outer shear arm 83 and the folding arm shear shank 85 being hinged on outer shear arm 83 upper end,It is provided with folding arm oil cylinder 84 between described folding arm shear shank 85 and outer shear arm 83,One end of described folding arm oil cylinder 84 is hinged on folding arm shear shank 85,The other end of described folding arm oil cylinder 84 is together with the upper end thereof of outer shear arm 83.Described outer shear shank 82 is identical with interior shear shank 81 length, and described interior shear shank 81 is hinged with outer shear shank 82 symmetry.The rotation bracket of the present invention is provided with interconnective inside and outside shear shank, interior shear shank connects hoist cylinder, the guide rod end of hoist cylinder is together with the middle upper end thereof of interior shear shank, the other end of hoist cylinder is hinged on rotation bracket, when hoist cylinder promote in shear shank move time, also can drive the outer shear shank being connected with interior shear shank together with move;Simultaneously, outer shear shank is made up of outer shear arm and folding arm shear shank, folding arm shear shank is hinged on the upper end of outer shear arm, the position that interior shear shank is fixed with outer shear shank is on outer shear arm, folding arm oil cylinder it is provided with between shear arm and folding arm shear shank, the two ends of folding arm oil cylinder are hinged with shear arm and folding arm shear shank respectively, and the effect of folding arm oil cylinder mainly drives the corresponding outer shear arm of folding arm shear shank to rotate, thus realizes shear shank significantly fore-and-aft tilt and adjust.The length of the inside and outside shear shank of the present invention is the same, the length of its China and foreign countries' shear shank equal to outer shear arm and folding arm shear shank length and, inside and outside simultaneously, shear shank symmetry is hinged, it is simple to when hoist cylinder promotes shear shank motion, it is ensured that the kinetic stability of the platform being connected with shear shank.

A kind of large transport airplane goods and materials loading/unloading platform car as shown in Figure 5 to Figure 6, described delivery platform 3 includes carrying platform 31, the both sides of described carrying platform 31 respectively arrange a goods guide plate 32, the middle of carrying platform 31 is provided with lifting and drives rolling device 33, described lifting drives rolling device 33 to be divided into three groups, each group is driven rolling 34 to form by three liftings, is each provided with two and is parallel to each other and the rolling support parallel with goods guide plate 32 rolling 35 between described lifting driving rolling device 33 and goods guide plate 32.Three groups of liftings drive rolling 34 enforcement packet to control;The lifting of arbitrary group drives rolling 34 after rise, and lifting drives the upper edge upper plane higher than rolling support rolling 35 of rolling 34;The lifting of arbitrary group drives rolling 34 after landing, and lifting drives the upper edge upper plane less than rolling support rolling 35 of rolling 34.Lifting drives rolling can pass through its lifting of mechanism controls, thus make it exceed slightly, with the contact surface of goods, the supporting surface that rolling support rolls when needing and driving, goods and lifting drive rolling to be in close contact, can automatically deliver, lifting drives rolling device packet to control, can be respectively controlled after loading onto goods, until goods filled by platform;When needs Manual-pushing, lifting driving is roll-offed low so that it is the supporting surface that upper edge rolls well below rolling support, and goods drives rolling to contact with lifting, it is possible to completes to roll and carries out.Lifting drive rolling device liter reduce to be grouped control, nine lifting drive rollings be divided into before, during and after three groups, it is possible to being separately controlled, after above filling goods, no longer operate control element above, postmedian remains able to carry out automatic loading and unloading goods.Both sides are provided with goods guide plate and can guide goods, and goods can move along guide plate in rolling support rolls on motor process, prevents off-center, are smoothed out the handling of goods.

A kind of large transport airplane goods and materials loading/unloading platform car as shown in Figure 1 and Figure 7, described retractable cat ladder 2 is made up of upper stepladder 26 and lower stepladder 28, described upper stepladder 26 upper end thereof is on transmission platform 3, described lower stepladder 28 hypomere is hinged on chassis 5, described upper stepladder 26 lower end and lower stepladder 28 epimere are connected by slide rail 27, described slide rail 27 is opened on the strut of lower stepladder 28 both sides, and upper stepladder 26 lower slide is connected in the slide rail 27 in lower stepladder 28.The present invention uses slide rail type telescopic ladder, specifically two sections slide rail type telescopic ladders cleverly, and flexible amplitude is 2.36 meters, can ensure the upper lower platform of personnel on 1.73 meters to 4.09 meters height;During lifting platform, ladder freely can stretch with podium level, does not interferes with platform and normally works, and the personnel under any height of table stroke that facilitate go up lower platform at any time, have the excellent characteristics such as convenient, fast, practical., dock with transporter with platform meanwhile, can be as transporter emergency management and rescue back work.

Claims (8)

1. a large transport airplane goods and materials loading/unloading platform car, it is characterized in that: include by the adjustable chassis of property (5), described chassis (5) is connected by device for adjusting posture (8) delivery platform (3), the front end of described delivery platform (3) is provided with driver's cabin (1), the delivery platform at described driver's cabin (1) rear is provided with the retractable cat ladder (2) being connected with chassis (5), the rear end of described delivery platform (3) is provided with the electrical system (4) of modular, and described chassis (5) are provided with the hydraulic system (7) of dynamical system (6) and modular.
2. a kind of large transport airplane goods and materials loading/unloading platform car as claimed in claim 1, it is characterized in that: between middle wheel and the wheel shaft of trailing wheel on described chassis (5), be fixedly connected with equalizing type of suspension (52), vertical between described equalizing type of suspension (52) with delivery platform (3) it is hinged with the assistance for lifting oil cylinder (53) controlled by hydraulic system (7), described assistance for lifting oil cylinder (53) and equalizing type of suspension (52) are hinged on the horizontal centre position of equalizing type of suspension (52), described equalizing type of suspension (52) is connected to the rear end of chassis (5) by rotating bracket (54), one end of described rotation bracket (54) is fixed on equalizing type of suspension (52), the other end of described rotation bracket (54) is hinged on the rear end of chassis (5) by rotating shaft (56).
3. a kind of large transport airplane goods and materials loading/unloading platform car as claimed in claim 2, it is characterised in that: connecting shaft and the rotating shaft (56) of the hinged place at described assistance for lifting oil cylinder (53) two ends are provided with cast aluminium copper bush, and described sleeve inner surface is machined with oil groove.
null4. a kind of large transport airplane goods and materials loading/unloading platform car as claimed in claim 1,It is characterized in that: described device for adjusting posture (8) is made up of rotation bracket (87) and the shear shank being arranged in rotation bracket (87),Described rotation bracket (87) is arranged on chassis (5),It is provided with hoist cylinder (86) between described interior shear shank (81) and rotation bracket (87),One end of described hoist cylinder (86) is hinged on the middle and upper part of interior shear shank (81),The other end of described hoist cylinder (86) is hinged in rotation bracket (87),Described outer shear shank (82) is by outer shear arm (83) and is hinged on the folding arm shear shank (85) of outer shear arm (83) upper end and forms,Folding arm oil cylinder (84) it is provided with between described folding arm shear shank (85) and outer shear arm (83),One end of described folding arm oil cylinder (84) is hinged on folding arm shear shank (85),The other end of described folding arm oil cylinder (84) is together with the upper end thereof of outer shear arm (83).
5. a kind of large transport airplane goods and materials loading/unloading platform car as claimed in claim 4, it is characterised in that: described outer shear shank (82) is identical with interior shear shank (81) length, and described interior shear shank (81) is hinged with outer shear shank (82) symmetry.
6. a kind of large transport airplane goods and materials loading/unloading platform car as claimed in claim 1, it is characterized in that: described delivery platform (3) includes carrying platform (31), the both sides of described carrying platform (31) respectively arrange a goods guide plate (32), the middle of carrying platform (31) is provided with lifting and drives rolling device (33), described lifting drives rolling device (33) to be divided into three groups, each group is driven rolling (34) to form by three liftings, between described lifting driving rolling device (33) and goods guide plate (32), it is each provided with two be parallel to each other and the rolling support parallel with goods guide plate (32) rolling (35).
7. a kind of large transport airplane goods and materials loading/unloading platform car as claimed in claim 6, it is characterised in that: three groups of liftings driving rolling (34) are implemented packet and are controlled;The lifting of arbitrary group drives rolling (34) after rise, and lifting drives the upper edge upper plane higher than rolling support rolling (35) of rolling (34);The lifting of arbitrary group drives rolling (34) after landing, and lifting drives the upper edge upper plane less than rolling support rolling (35) of rolling (34).
8. a kind of large transport airplane goods and materials loading/unloading platform car as claimed in claim 1, it is characterized in that: described retractable cat ladder (2) is made up of upper stepladder (26) and lower stepladder (28), described upper stepladder (26) upper end thereof is on transmission platform (3), described lower stepladder (28) hypomere is hinged on chassis (5), described upper stepladder (26) lower end and lower stepladder (28) epimere are connected by slide rail (27), described slide rail (27) is opened on the strut of lower stepladder (28) both sides, upper stepladder (26) lower slide is connected to the slide rail (27) in lower stepladder (28) Nei.
CN201510970349.2A 2015-12-22 2015-12-22 A kind of large transport airplane goods and materials loading/unloading platform car CN106219271A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109941619A (en) * 2019-03-12 2019-06-28 中国船舶重工集团应急预警与救援装备股份有限公司 The shipping platform of raceway may be reversed in a kind of band

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US4077532A (en) * 1977-05-31 1978-03-07 The Boeing Company Airborne cargo container transporter and transfer system
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US6622846B1 (en) * 1998-04-30 2003-09-23 Stewart & Stevenson Aircraft cargo loader
CN101497401A (en) * 2009-02-17 2009-08-05 友达光电股份有限公司 Conveying device and method for conveying object
CN102198815A (en) * 2010-03-23 2011-09-28 深圳中集天达空港设备有限公司 Transmission platform of military conveying platform truck
CN103640710A (en) * 2013-12-29 2014-03-19 威海广泰空港设备股份有限公司 Lifting device for transmission roller of conveying platform
CN103662076A (en) * 2013-12-29 2014-03-26 威海广泰空港设备股份有限公司 Container loading machine
CN103660833A (en) * 2013-12-29 2014-03-26 威海广泰空港设备股份有限公司 Special chassis with variable ground clearance
CN204343963U (en) * 2014-11-13 2015-05-20 三峡大学 The two-sided vertical ladder of a kind of height adjustable Extensible portable
CN204386447U (en) * 2015-01-06 2015-06-10 昆山元达精密机电工业有限公司 Rail structure and apply its telescopic ladder made
CN204871628U (en) * 2015-08-03 2015-12-16 中国人民解放军空军勤务学院 Airport lift loading platform posture adjustment device
CN204870427U (en) * 2015-08-03 2015-12-16 中国人民解放军空军勤务学院 Airport lift loading platform car is from restoring to throne swing rear axle

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854610A (en) * 1973-04-09 1974-12-17 Cochran Boothe Airport Syst Freight transporter and loader for aircraft
US4077532A (en) * 1977-05-31 1978-03-07 The Boeing Company Airborne cargo container transporter and transfer system
US5072808A (en) * 1990-12-28 1991-12-17 Spalt Gregory P Ladder adaptable platform
DE4233082A1 (en) * 1992-10-01 1994-04-07 Erwin Jenkner Roller table, especially for the angular transfer of plate-shaped materials
US6622846B1 (en) * 1998-04-30 2003-09-23 Stewart & Stevenson Aircraft cargo loader
CN101497401A (en) * 2009-02-17 2009-08-05 友达光电股份有限公司 Conveying device and method for conveying object
CN102198815A (en) * 2010-03-23 2011-09-28 深圳中集天达空港设备有限公司 Transmission platform of military conveying platform truck
CN103640710A (en) * 2013-12-29 2014-03-19 威海广泰空港设备股份有限公司 Lifting device for transmission roller of conveying platform
CN103662076A (en) * 2013-12-29 2014-03-26 威海广泰空港设备股份有限公司 Container loading machine
CN103660833A (en) * 2013-12-29 2014-03-26 威海广泰空港设备股份有限公司 Special chassis with variable ground clearance
CN204343963U (en) * 2014-11-13 2015-05-20 三峡大学 The two-sided vertical ladder of a kind of height adjustable Extensible portable
CN204386447U (en) * 2015-01-06 2015-06-10 昆山元达精密机电工业有限公司 Rail structure and apply its telescopic ladder made
CN204871628U (en) * 2015-08-03 2015-12-16 中国人民解放军空军勤务学院 Airport lift loading platform posture adjustment device
CN204870427U (en) * 2015-08-03 2015-12-16 中国人民解放军空军勤务学院 Airport lift loading platform car is from restoring to throne swing rear axle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109941619A (en) * 2019-03-12 2019-06-28 中国船舶重工集团应急预警与救援装备股份有限公司 The shipping platform of raceway may be reversed in a kind of band

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Application publication date: 20161214