CN216195472U - Internal expanding and contracting expansion large plate and square cabin - Google Patents

Internal expanding and contracting expansion large plate and square cabin Download PDF

Info

Publication number
CN216195472U
CN216195472U CN202122421418.8U CN202122421418U CN216195472U CN 216195472 U CN216195472 U CN 216195472U CN 202122421418 U CN202122421418 U CN 202122421418U CN 216195472 U CN216195472 U CN 216195472U
Authority
CN
China
Prior art keywords
plate
large plate
hinged
expanding
hydraulic cylinder
Prior art date
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.)
Active
Application number
CN202122421418.8U
Other languages
Chinese (zh)
Inventor
吴佳
杜金虎
黄力鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zoomlion Heavy Industry Science and Technology Co Ltd
Hunan Zoomlion Emergency Equipment Co Ltd
Original Assignee
Zoomlion Heavy Industry Science and Technology Co Ltd
Hunan Zoomlion Emergency Equipment Co Ltd
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.)
Filing date
Publication date
Application filed by Zoomlion Heavy Industry Science and Technology Co Ltd, Hunan Zoomlion Emergency Equipment Co Ltd filed Critical Zoomlion Heavy Industry Science and Technology Co Ltd
Priority to CN202122421418.8U priority Critical patent/CN216195472U/en
Application granted granted Critical
Publication of CN216195472U publication Critical patent/CN216195472U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The utility model relates to a shelter space expansion structure and discloses an inner unfolding and folding expansion large plate which comprises an inner large plate, an outer large plate and an expansion device, wherein one end of the inner large plate is hinged with a shelter box body, the other end of the inner large plate is hinged with the outer large plate, the expansion device comprises an inner hydraulic cylinder and an outer unfolding and folding mechanism, one end of the inner hydraulic cylinder is hinged with the inner large plate, the other end of the inner hydraulic cylinder is hinged with the shelter box body, the outer unfolding and folding mechanism comprises an outer hydraulic cylinder, a guide rail and a connecting rod, one end of the outer hydraulic cylinder is hinged with the inner large plate, the other end of the outer hydraulic cylinder is hinged with a sliding part capable of sliding along the guide rail, and two ends of the connecting rod are respectively hinged with the sliding part and the outer large plate. The utility model also discloses a shelter comprising the inner expanding and contracting expansion large plate. According to the utility model, the side plates are automatically unfolded through the hydraulic system, so that the unfolding efficiency of the shelter is improved, no manual work is needed, and the risk is reduced.

Description

Internal expanding and contracting expansion large plate and square cabin
Technical Field
The utility model relates to a shelter space expansion structure, in particular to an inner expanding and contracting expansion large plate. In addition, the utility model also relates to a shelter comprising the inner expanding and contracting expansion large plate.
Background
The shelter is a van-type workshop which is organically combined by various solid materials, has the protection performance and can be used for carrying. The shelter is provided with the carrier vehicle, has higher maneuvering characteristics, carries out corresponding structural design in the shelter according to different requirements, installs related equipment, has specific functions, and is widely applied to medical treatment, command, communication, logistics and the like.
The large plate is used for expanding the space of the square cabin, so that the square cabin can expand the use space. When the large plate is folded, the square cabin occupies small space and is convenient to transport; the space is enlarged when the large plate is unfolded, and the large plate can be used by multiple people and multiple devices.
Referring to fig. 1, fig. 1 is a large panel unfolding structure of the prior art, which is composed of an outer large panel 101 and an inner large panel 102, the outer large panel 101 and the inner large panel 102 are connected through a hinge 103, the inner large panel 102 has a guide rail for a pushing portion 109 of a push rod 108 to move, the push rod 108 is connected with one end of a fourth link 107, the other end of the fourth link 107 is hinged with a third link 106, the third link 106 is hinged with a first link 104 and a second link 105 at the same point, the first link 104 and the second link 105 are respectively hinged with the outer large panel 101 and the inner large panel 102, if the outer large panel 101 is to be unfolded, the pushing portion 109 of the push rod 108 needs to be pushed to advance in the guide rail of the inner large panel 102 to drive the push rod 108, and the push rod 108 drives the outer large panel 101 to turn around the hinge 103 to a horizontal position under the action of the link, so as to realize large panel unfolding. The large plate unfolding structure in the prior art is complex, the reliability is low, a large driving force is needed to push the pushing part 109 to enable the push rod 108 to work normally, and under the condition that a driving device is not equipped, the inner large plate 102 needs to be unfolded manually firstly, and then the pushing part 109 is pushed manually to unfold the outer large plate 101, so that the efficiency is low, and certain risks exist.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide an inner expanding and contracting expansion large plate, which adopts a hydraulic system to automatically expand side plates, reduces the expanding time of a shelter, improves the application efficiency, does not need manpower, and reduces the risk.
In addition, the technical problem to be solved by the utility model is to provide the shelter, the large expanding plate for expanding the inner extension of the shelter automatically expands the side plates by adopting a hydraulic system, so that the expanding time of the shelter is reduced, the application efficiency is improved, no manual work is needed, and the risk is reduced.
In order to achieve the technical problem, a first aspect of the present invention provides an inner expanding and contracting expanded slab, which includes an inner large slab, an outer large slab and an expanding device, wherein one end of the inner large slab is hinged to a shelter box body, the other end of the inner large slab is hinged to the outer large slab, the expanding device includes an inner hydraulic cylinder and an outer expanding and contracting mechanism, one end of the inner hydraulic cylinder is hinged to the inner large slab, the other end of the inner hydraulic cylinder is hinged to the shelter box body, the outer expanding and contracting mechanism includes an outer hydraulic cylinder, a guide rail and a connecting rod, one end of the outer hydraulic cylinder is hinged to the inner large slab, the other end of the outer hydraulic cylinder is hinged to a sliding portion capable of sliding along the guide rail, and two ends of the connecting rod are respectively hinged to the sliding portion and the outer large slab.
Specifically, the inner side large plate is hinged to the shelter box body through an inner hinge, and the inner side large plate is hinged to the outer side large plate through an outer hinge.
Specifically, the connecting rod is hinged with the outer side large plate through a connecting pin shaft.
Preferably, the sliding part is a sliding pin.
Preferably, rubber plates are arranged at the contact part of the inner large plate and the outer large plate and the contact part of the inner large plate and the shelter box body.
Preferably, the upper surfaces of the inner large panel and the outer large panel in the flattened state are provided with anti-slip structures.
More preferably, the anti-slip structure is a checkered plate.
Preferably, locking devices are respectively arranged between the inner large plate and the shelter box body and between the inner large plate and the outer large plate.
Preferably, the lower surfaces of the inner large plate and the outer large plate in the flattened state are provided with supporting devices.
A second aspect of the present invention provides a shelter comprising the large inward-expanding and outward-expanding plate according to any one of the above aspects of the first aspect.
Through the technical scheme, the utility model has the following beneficial effects:
the inner expanding and contracting expansion large plate automatically expands and contracts the inner large plate through the inner hydraulic cylinder, and after the inner large plate is expanded, the outer hydraulic cylinder expands and contracts the outer large plate under the combined action of the guide rail, the connecting rod and the sliding part. The inboard pneumatic cylinder and the outside pneumatic cylinder have realized the automation of inboard big board and outside big board and have been opened up and shut, reduce shelter development time, promote the application efficiency, and do not need the manual work, have reduced the risk. The expansion device has simple and reliable structure, and the guide rail, the connecting rod, the sliding part and the like are conveniently adjusted to achieve better linkage expansion and retraction effects of the inner large plate and the outer large plate.
In addition, the outer large plate adopts an inward folding scheme, after the outer large plate is folded, the outer large plate is taken as one surface of the floor and is folded into the interior of the main cabin body, the other surface of the outer large plate is taken as the inner side wall of the square cabin body, the appearance design of the inner side wall of the square cabin body can be consistent with that of the interior of the main cabin body, and the whole body is more attractive.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural view of a prior art large panel deployment structure;
FIG. 2 is a schematic diagram of an expanded panel unfolding process according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a second expanding process of the inner expanding and contracting expanding plate according to an embodiment of the present invention;
fig. 4 is a schematic structural view of an expanded main board in a flattened state according to an embodiment of the present invention.
Description of the reference numerals
1 square cabin body 2 inner hinge
3 inner hydraulic cylinder and 4 outer hydraulic cylinders
5 inner side big board 6 outer side big board
7 guide rail 8 sliding part
9 connecting rod 10 connecting pin shaft
11 outer hinge
The prior art is as follows:
101 outer large plate 102 inner large plate
103 hinge 104 first link
105 second link 106 third link
107 fourth connecting rod 108 push rod
109 pushing part
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, and it is to be understood that the detailed description is provided for purposes of illustration and explanation and is not intended to limit the scope of the utility model.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "formed," "provided," "disposed," "connected," and the like are to be construed broadly, and for example, the connection may be a direct connection, an indirect connection via an intermediate medium, a fixed connection, a detachable connection, or an integral connection; either directly or indirectly through intervening connectors, either internally or in cooperative relationship to each other. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "clockwise", and the like, which are used to indicate orientations or positional relationships, are used based on the orientations or positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the directional terminology of the present invention should be understood in conjunction with the actual installation state.
The utility model provides an inner expanding and contracting expansion board, and referring to fig. 3, fig. 3 is a specific embodiment of the utility model. The big board of interior exhibition receipts extension includes inboard big board 5, outside big board 6 and extension device, and 5 one end of inboard big board are articulated with shelter box 1, and the other end of inboard big board 5 is articulated with outside big board 6, realizes expandes the usage space of extension shelter to inboard big board 5 and outside big board 6 through extension device. The expansion device comprises an inner side hydraulic cylinder 3 and an outer side unfolding and folding mechanism, one end of the inner side hydraulic cylinder 3 is hinged to the inner side large plate 5, the other end of the inner side hydraulic cylinder 3 is hinged to the shelter box body 1, the outer side unfolding and folding mechanism comprises an outer side hydraulic cylinder 4, a guide rail 7 and a connecting rod 9, one end of the outer side hydraulic cylinder 4 is hinged to the inner side large plate 5, and the other end of the outer side hydraulic cylinder 4 is hinged to a sliding portion 8 capable of sliding along the guide rail 7. The inner large plate 5 is unfolded firstly through the inner hydraulic cylinder 3, the outer unfolding mechanism is driven to unfold the outer large plate 6 through the outer hydraulic cylinder 4, the inner hydraulic cylinder 3 and the outer hydraulic cylinder 4 are both hydraulically driven, the unfolding efficiency of the inner large plate 5 and the outer large plate 6 is improved, manual work is not needed, and risks are reduced.
It will be appreciated that the manner of articulation is manifold, and in particular the inner panel 5 is articulated to the shelter housing 1 by means of the inner hinge 2, the inner panel 5 is articulated to the outer panel by means of the outer hinge 11, and the connecting rod 9 is articulated to the outer panel 6 by means of the connecting pin 10. The above hinge mode is only one specific embodiment of the present invention, and the inner large panel 5 and the shelter box body 1 may also be respectively provided with holes at the connecting ends, and the hinge connection of the inner large panel 5 and the shelter box body 1 is also realized through a pin shaft, as long as the hinge mode that can be conceived by those skilled in the art is within the scope of the present invention. Meanwhile, the connecting pin 10 that hinges the link 9 to the outer large panel 6 is not only a separate assembly but also a shaft-like object integrally formed with the link 9 or the outer large panel 6.
During the expansion and retraction of the outer large plate 6, the pushing portion 8 is restricted in the sliding direction by the guide rail 7, thereby ensuring the driving direction of the outer hydraulic cylinder 4. Preferably, the pushing part 8 is a sliding pin shaft, a triangular plate is arranged on the floor surface of the inner large plate 5, the guide rail 7 is an oblong hole formed by the triangular plate, and the sliding pin shaft penetrates through the guide rail 7 and hinges the outer hydraulic cylinder 4 and the connecting rod 9. In addition, it is conceivable that the pushing portion 8 may also be a slider, two ends of the slider are respectively hinged to the outer hydraulic cylinder 4 and the connecting rod 9, the guide rail 7 is a guide rail groove on the triangular plate, and the pushing portion 8 is sleeved on the guide rail 7 and matched with grease so as to better reduce friction force between the two.
It should be noted that rubber plates are installed at the contact position of the inner large plate 5 and the outer large plate 6 and the contact position of the inner large plate 5 and the shelter box body 1, and in the process of linkage unfolding and folding of the inner large plate 5 and the outer large plate 6, the rubber plates can buffer the collision between the inner large plate 5 and the outer large plate 6 and between the inner large plate 5 and the shelter box body 1, so as to reduce the collision and vibration, and the rubber plates can be replaced by other buffer materials, such as anti-collision blocks and buffer sponges.
When the large inward-unfolding-folding expansion plate is in a flat-unfolding state, in order to improve the safety, the upper surfaces of the large inner side plate 5 and the large outer side plate 6 are provided with anti-skidding structures which are checkered plates. As will be appreciated by those skilled in the art, in order to improve the anti-slip performance, a resin anti-slip sealant, an anti-slip strip, an anti-slip rubber mat, or the like may be used on the upper surfaces of the inner large panel 5 and the outer large panel 6. It is understood that the "upper surface" in this embodiment refers to the surface of the inner large panel 5 and the outer large panel 6 which serve as a floor in a flattened state, i.e., the surface which can be touched by people and equipment.
In addition, as a preferred technical solution of the present invention, a locking device may be installed between the inner large panel 5 and the shelter box body 1, and a locking device may also be installed between the inner large panel 5 and the outer large panel 6, and the locking device may ensure that the inner large panel 5 and the shelter box body 1 are always attached in the retracted state, and the inner large panel 5 and the outer large panel 6 are always attached, and enhance the safety of the present invention in the retracted state.
In order to further improve the safety of the utility model, the utility model can be provided with a warning device, sensors are arranged at the shelter box body 1, the inner large plate 5, the outer large plate 6 and other effective positions, the sensors can automatically detect whether the inner expanding and retracting large plate is expanded or retracted in place, and the sensor which is not expanded or retracted in place warns the state of the large plate, thereby avoiding the safety problem caused by the expansion large plate which is expanded or retracted in place.
In addition, the environment when inboard 5 and the big board 6 in the outside expand is various, when the shelter was used on the car or other eminences, strutting arrangement can be installed additional with the big board 6 in the outside to inboard 5, preferred strutting arrangement is the landing leg, the height-adjustable of landing leg has promoted the holistic stability when inboard 5 and the big board 6 in the outside expand through the landing leg, and when using, the landing leg is installed at the pin joint of inboard 5 and the big board 6 in the outside, also can reduce the stress of inboard 5 and the big board 6 pin joint in the outside.
The utility model also provides a shelter, which comprises the large inner expanding and contracting expansion plate in the technical scheme, so that the expansion of the use space of the shelter is realized. It can be understood that the shelter of the present invention may contain one or more large inner expanding and contracting plates, for example, the left and right sides of the shelter may be equipped with the large inner expanding and contracting plates of the present invention, which may expand more shelter space.
The inner foldable expansion board of the present invention is described above by using the specific embodiment, and it can be understood that the structural body and the size of the inner foldable expansion board of the present invention are not limited to the specific structural form described in the above embodiment, and may be in other structural forms as long as the objectives of automatically unfolding the inner large board 5 by the inner hydraulic cylinder 3 and then automatically unfolding the outer large board 6 by the outer foldable mechanism, improving the unfolding efficiency of the shelter, and replacing the manual work to reduce the risk are met.
Next, in order to better understand the technical solution and the method of using the present invention, preferred embodiments will be described below with reference to relatively comprehensive preferred technical features.
Referring to fig. 3, the utility model provides an inner expanding and contracting expansion large plate, which mainly comprises an inner large plate 5, an outer large plate 6 and an expansion device, wherein one end of the inner large plate 5 is hinged with a shelter box body 1 through an inner hinge 2, and the other end of the inner large plate 5 is hinged with the outer large plate 6 through an outer hinge 11. The expanding device comprises an inner side hydraulic cylinder 3 and an outer side unfolding and folding mechanism, two ends of the inner side hydraulic cylinder 3 are hinged with the inner side large plate 5 and the shelter box body 1 respectively, and the inner side hydraulic cylinder 3 has the function of driving the inner side large plate 5 to unfold and fold. The outside exhibition is received the mechanism and is included outside pneumatic cylinder 4, guide rail 7 and connecting rod 9, outside pneumatic cylinder 4 is the drive arrangement that outside large plate 6 expandes and withdraws, outside pneumatic cylinder 4 one end is articulated with inboard large plate 5, the outside pneumatic cylinder 4 other end is articulated with gliding sliding part 8 that can follow guide rail 7, guide rail 7 is the slotted hole that the set-up set-square formed on the 5 floor of inboard large plate, sliding part 8 is the slip round pin axle that passes guide rail 7, the drive direction of outside pneumatic cylinder 4 is controlled through the combined action of guide rail 7 and sliding part 8, and outside pneumatic cylinder 4 is articulated through sliding part 8 and connecting rod 9 one end, the connecting rod 9 other end is articulated through connecting pin axle 10 with the outside large plate.
Specifically, the working process of the inner expanding and contracting expansion large plate is as follows:
when the expansion large plate needs to be unfolded, the inner side hydraulic cylinder 3 firstly pushes the inner side large plate 5 to be unfolded from the shelter box body 1, when the inner side large plate 5 is unfolded to the flattening state shown in fig. 2, the outer side hydraulic cylinder 4 starts to work, as shown in fig. 3, the outer side hydraulic cylinder 4 pushes the sliding part 8 to slide in the guide rail 7 in the direction far away from the outer side hydraulic cylinder 4, meanwhile, the sliding part 8 is close to the outer side large plate 6, and the outer side large plate 6 rotates clockwise around the hinge point of the inner side large plate 5 and the outer side large plate 6 under the action of the connecting rod 9 to be unfolded outwards until the expansion large plate flattening state shown in fig. 4. When the expansion large plate needs to be withdrawn, only the outer side hydraulic cylinder 4 needs to be driven reversely, the outer side hydraulic cylinder 4 pulls the sliding part 8 to slide in the guide rail 7 towards the direction close to the outer side hydraulic cylinder 4, the sliding part 8 is far away from the outer side large plate 6, the outer side large plate 6 is withdrawn inwards around the hinge point anticlockwise rotation of the inner side large plate 5 and the outer side large plate 6 under the action of the connecting rod 9, the inner side hydraulic cylinder 3 is reversely driven to withdraw the inner side large plate 3 when the outer side large plate 6 is completely withdrawn, the inner side large plate 6 adopts an inward folding scheme, after being retracted, the outer side large plate is retracted into the interior of the main cabin body as one side of the floor, the other side of the inner side of the square cabin body as the inner side wall of the square cabin body can be consistent with the interior appearance design of the main cabin body, and the whole is attractive.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the utility model. The utility model is not described in detail in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims (10)

1. An inner expanding and contracting expansion large plate is characterized by comprising an inner large plate (5), an outer large plate (6) and an expansion device, one end of the inner side large plate (5) is hinged with the shelter box body (1), the other end of the inner side large plate (5) is hinged with the outer side large plate (6), the expansion device comprises an inner side hydraulic cylinder (3) and an outer side unfolding and folding mechanism, one end of the inner side hydraulic cylinder (3) is hinged with the inner side large plate (5), the other end of the inner side hydraulic cylinder (3) is hinged with the shelter box body (1), the outer unfolding and folding mechanism comprises an outer hydraulic cylinder (4), a guide rail (7) and a connecting rod (9), one end of the outer side hydraulic cylinder (4) is hinged with the inner side large plate (5), the other end of the outer side hydraulic cylinder (4) is hinged with a sliding part (8) which can slide along the guide rail (7), two ends of the connecting rod (9) are respectively hinged with the sliding part (8) and the outer side large plate (6).
2. The large inward-expanding and outward-expanding plate according to claim 1, wherein the large inward plate (5) is hinged to the shelter box (1) by an inner hinge (2), and the large inward plate (5) is hinged to the large outward plate (6) by an outer hinge (11).
3. The large internal expanding and contracting plate according to claim 1, wherein the connecting rod (9) is hinged to the large outer plate (6) by a connecting pin (10).
4. The large inwardly expanding and retracting plate according to claim 1, wherein said sliding part (8) is a sliding pin.
5. The large inward-expanding and outward-expanding plate according to claim 1, wherein rubber plates are installed at the contact position of the large inner plate (5) and the large outer plate (6) and the contact position of the large inner plate (5) and the shelter box body (1).
6. The large inward expanding and contracting plate according to claim 1, wherein the upper surfaces of the large inner plate (5) and the large outer plate (6) in the flattened state are provided with an anti-slip structure.
7. The large inwardly expanding and collapsing plate according to claim 6, wherein the anti-slip structure is a checkered plate.
8. The large inward-expanding plate according to claim 1, wherein locking means are installed between the inner large plate (5) and the shelter box body (1) and between the inner large plate (5) and the outer large plate (6), respectively.
9. The large inwardly expanding and collapsing plate according to any one of claims 1-8, wherein the lower surfaces of the inner large plate (5) and the outer large plate (6) in the flattened state are provided with support means.
10. A shelter comprising the large inner expanding and contracting plate according to any one of claims 1 to 9.
CN202122421418.8U 2021-10-08 2021-10-08 Internal expanding and contracting expansion large plate and square cabin Active CN216195472U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122421418.8U CN216195472U (en) 2021-10-08 2021-10-08 Internal expanding and contracting expansion large plate and square cabin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122421418.8U CN216195472U (en) 2021-10-08 2021-10-08 Internal expanding and contracting expansion large plate and square cabin

Publications (1)

Publication Number Publication Date
CN216195472U true CN216195472U (en) 2022-04-05

Family

ID=80863267

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122421418.8U Active CN216195472U (en) 2021-10-08 2021-10-08 Internal expanding and contracting expansion large plate and square cabin

Country Status (1)

Country Link
CN (1) CN216195472U (en)

Similar Documents

Publication Publication Date Title
US4133571A (en) Expandable camper body
US4981319A (en) Hydraulic lift camper top
US6135525A (en) Expandable portable shelter
CN206049489U (en) Railway carriage or compartment Foldable vehicular expanded shelter
CN101870395A (en) Folded side plate hydraulic extended type extended shelter
CN204956252U (en) Full -automatic folding car as a house
EP2260817A2 (en) Concealable ramp for access to public transport vehicles
WO2012088858A1 (en) Truck crane
CN216195472U (en) Internal expanding and contracting expansion large plate and square cabin
CN105150913A (en) Full-automatic folding recreational vehicle
CN216034011U (en) Linkage expansion large plate and square cabin
US20030080576A1 (en) Straight motion parallelogram linkage
CN105150912A (en) Double-layer full-automatic recreational vehicle
CN216195473U (en) Stay wire linkage expansion large plate and square cabin
CN111483439A (en) Self-elevating vehicle with flood control, turning around, parallel parking and deep sinking free functions
CN103963691A (en) Folding and unfolding movable device for shop truck
CN113291236A (en) Pedal device, passenger compartment and engineering vehicle
CN115822329A (en) Large-length expansion cabin with folding floor
WO2003059685A3 (en) Wheelchair access system for a vehicle
CN111172858A (en) Mechanical bridge erecting mechanism, mechanical bridge erecting vehicle and method
CN112062011A (en) Cantilever crane system and have bow member car of this cantilever crane system
CN110203125B (en) Self-unloading intelligent folding shelter and self-unloading folding method thereof
CN210653379U (en) Hydraulic full-automatic telescopic folding automobile tail plate
CN113232576B (en) Splicing two-section folding vehicle-mounted unfolding platform and operation method
US20150084359A1 (en) Expandable Chassis

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant