CN107938848B - Electric expansion device for shelter and electric expansion shelter - Google Patents
Electric expansion device for shelter and electric expansion shelter Download PDFInfo
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- CN107938848B CN107938848B CN201610890889.4A CN201610890889A CN107938848B CN 107938848 B CN107938848 B CN 107938848B CN 201610890889 A CN201610890889 A CN 201610890889A CN 107938848 B CN107938848 B CN 107938848B
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- 230000007246 mechanism Effects 0.000 claims abstract description 63
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000033001 locomotion Effects 0.000 description 29
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000010008 shearing Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 108010066057 cabin-1 Proteins 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34305—Structures characterised by movable, separable, or collapsible parts, e.g. for transport telescopic
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Abstract
The application provides an electric expansion device for a shelter and an electric expansion shelter. The electric expansion device for the shelter comprises an electric push rod, a scissor mechanism, a moving frame and a fixed frame; the electric push rod is arranged on the vertical edge of the fixed frame and comprises a movable end which moves vertically; the moving frame is arranged opposite to the fixed frame; the scissors mechanism is arranged between the moving frame and the fixed frame, one end of the scissors mechanism is respectively connected with the movable ends of the fixed frame and the electric push rod, and the other end of the scissors mechanism is connected with the moving frame. An expansion cabin is formed on at least one side of the main cabin by the arrangement of the electric expansion device, so that an electric expansion shelter is formed. In addition, a multistage electric expansion shelter can be formed by providing a multistage electric expansion device. Compared with the existing flap type expansion shelter, the application has the technical advantages of simple structure, strong reliability and low maintenance cost.
Description
Technical Field
The application relates to the technical field of cabins capable of expanding an inner space, in particular to an electric expansion device for a shelter and an electric expansion shelter using the same.
Background
The shelter and the extended shelter are the most common forms of field temporary closed spaces for handling emergency situations, and are widely used in field operating rooms, field workplaces, disaster relief command centers, combat command control centers, field hospitals, camping and living rooms and the like, for example, an expandable vehicle-mounted shelter hospital is disclosed in the existing patent application CN201310177989.9, and a vehicle-mounted shelter system for CT scanning is disclosed in the CN 201320410119.7.
From the aspect of the expansion mode of the expansion shelter, the prior art is mainly divided into the following technical forms:
(1) Drawer type unfolding
The expansion cabins which are completely assembled by the top plate, the bottom plate and the side plates are expanded and folded through horizontal movement, and the expansion cabins are generally overlapped in a staggered manner in the main cabin in a folded state, and are directly pulled out when being unfolded.
For example, patent application CN105151133a discloses an expansion mechanism of a movable expandable shelter, which comprises a shelter body and is characterized in that the whole shelter body is cuboid, expansion cabins are arranged on the left side and the right side of the shelter body, expansion mechanisms are arranged at the bottoms of the expansion cabins, the expansion mechanisms drive the expansion cabins to move along the left direction and the right direction of the shelter body to realize expansion and furling, and the expansion cabins on the left side and the right side are flush with the left side and the right side of the shelter body when furling. The expansion mechanism of the movable expandable shelter can conveniently expand the width of the shelter and increase the internal space of the shelter.
Patent application CN03244957.7 discloses an expandable shelter, which is characterized in that the structure comprises a main cabin body which can be separated from a carrying vehicle, and a left cabin body and a right cabin body which are arranged in the main cabin body, are overlapped in a staggered manner, and can be respectively extended to the outside of the left side and the right side of the main cabin body are arranged in the main cabin body; the A-shaped frame and the guide rail thereof are fixedly connected with the main cabin body through bottom frames which are fixedly connected with the lower part of the main cabin body.
The drawer type expansion has good design integrity, but has higher assembly requirement, larger overall weight and difficult realization of multistage expansion.
(2) Unfolding of folded sheet material
Patent application CN104924962a discloses an expansion shelter, and this expansion shelter mainly adopts big board shelter form, realizes expanding/drawing in of expansion shelter through the folding rotation of panel, has higher expansion ratio to innovative expansion form, the outer curb plate of expansion railway carriage or compartment is connected perpendicularly at the outer end of expansion railway carriage or compartment body slip track for other each piece boards in the expansion railway carriage or compartment body are connected inseparabler with this outer curb plate of expansion railway carriage or compartment.
Patent application CN105386523a discloses an extended shelter, which has the structure: a storage rail is arranged on the inner side surface or the outer side surface of the main cabin top plate, when the main cabin is folded, the folding side plates on the periphery of the main cabin can be pushed into the storage rail for storage, and the folding side plates stored in the storage rail can be unfolded or folded along with the main cabin top plate; the storage rails are arranged on the inner side surface or the outer side surface of the folding top plate, when the folding top plate is folded, the folding side plates on the periphery of the expansion cabin can be pushed into the storage rails to be stored, and the folding side plates stored in the storage rails can be unfolded or folded along with the folding top plate. Thus, the folding problem of the peripheral side plates of the main cabin and the expansion cabin is solved, and the space is saved.
The technology adopts a form of dividing the top plate, the bottom plate and the side plates into folding plates formed by small-area units hinged with each other to form an expandable mechanism, and a plurality of gaps of the top plate, the bottom plate and the side plates are artificially formed, so that the overall structural property of each part is influenced, and the increase of the hinges certainly increases the failure rate in the maintenance cost and the unfolding process.
(3) Flap deployment
The turnover type expansion is an expansion mode with obvious advantages in the expansion shelter, namely, the integrity of the expansion shelter is guaranteed to be good, fewer assemblies are guaranteed, and the failure rate is reduced.
Patent application CN102704572a discloses a flap type expansion shelter, wherein two side edges of a fixed top plate are hinged with the rear ends of a pair of expansion top plates through upper hinge plates fixed on the expansion top plates respectively; the front ends of the expansion bottom plate and the expansion top plate are respectively hinged with an expansion upper side plate and an expansion lower side plate, and the edges of the expansion upper side plate and the expansion lower side plate are connected when the expansion upper side plate and the expansion lower side plate are unfolded to be in a vertical state, so that an expanded side wall plate is formed; a connecting rod is hinged between the lower hinge plate and the upper hinge plate, and the upper hinge plate can be pushed to be unfolded through the connecting rod when the lower hinge plate is unfolded.
Patent application CN202767567U discloses a multi-plate linkage expansion shelter, the inner side of the expansion shelter top plate is hinged with the shelter and is connected with the upper part of the expansion shelter outer plate through a movable supporting rod, the outer side of the expansion shelter top plate is connected with the expansion shelter outer plate through a slideway, the outer side of the expansion shelter bottom plate is hinged with the lower part of the expansion shelter outer plate and is connected with the bottom of the shelter through a movable supporting rod, the inner side of the expansion shelter bottom plate is connected with the shelter through a slideway, and the inner vertical sides of the expansion shelter front plate and the expansion shelter rear plate are respectively hinged with the shelter; the expansion mechanism comprises a fixed pulley I arranged at the hinge part of the expansion cabin top plate and the shelter, a fixed pulley II arranged on the outer side edge of the expansion cabin top plate, a traction cable with one end fixed on the inner side edge of the expansion cabin bottom plate, the other end wound around the fixed pulley I, along the expansion cabin top plate and then wound around the fixed pulley II and finally fixed with the upper part of the expansion cabin outer plate, and a push-pull guide rod arranged between the expansion cabin outer plate and the shelter. CN204149923U discloses a similar expansion shelter of expanding three, including main cabin, leveling mechanism, preceding vice cabin, back vice cabin, the main cabin is formed by roof, bottom plate, curb plate combination, the bottom of main cabin is equipped with the leveling mechanism, the curb plate is connected with the bottom plate through the telescopic link, the one end and the side roof of side roof gangbar are connected, the other end and the top of curb plate of side roof gangbar are connected, the one end and the side bottom plate of side bottom plate gangbar are connected, the other end and the bottom of curb plate of side bottom plate gangbar are connected. Similar flap structures are also used in CN 201442537U-expanded six-expansion shelter. The application of the application number CN201010224354 also adopts a similar structure, and the expansion mechanism comprises a fixed roller, a steel wire rope and a guide rod; the fixed idler wheels are fixedly arranged at the joint of the expansion top plate and the fixed cabin; one end of the guide rod is fixedly connected with the lower end of the expansion side plate, and the other end of the guide rod is movably connected with the fixed cabin; one end of the steel wire rope is fixedly connected with one end of the expansion bottom plate, and the other end of the steel wire rope is movably connected with one end of the expansion top plate through a fixed roller.
In particular, in the case of multilevel expansion shelter, a flap-type structure is basically adopted in the prior art, and its expansion mechanism also basically stays on the way of rail expansion and on the way of telescopic rods. The requirements on the strength of the track laying and the telescopic rod are strict. For track laying, the track is not generally integrated on an expansion shelter, and the track needs to be additionally laid, so that the track laying is more complicated; in the case of a telescopic rod, the strength limit of the telescopic rod is limited, the expandable width is limited, and multistage expansion is difficult to realize.
For example, the patent of application number CN201020610064.0 provides a multistage expansion shelter, expansion shelter (5) is a cabin body structure that can fold up and expand, is provided with the slide in the bottom of expansion shelter the slide bottom is provided with the support that supports the slide, and expansion shelter includes a plurality of expansion units, links up through enclosing the frame between every two expansion units, and the curb plate, bottom plate and the roof of every expansion unit are the structure that can inwards fold up.
In the prior art, a device for expanding a multistage shelter, a corresponding expansion shelter and a multistage expansion shelter are needed, which has the advantages of simple structure, strong reliability and low maintenance cost.
Disclosure of Invention
The technical problems to be solved by the application are as follows: the existing shelter expansion device has the technical problems of poor reliability, complex structure, high maintenance cost and the like. The application aims to provide the multistage shelter expansion device which has the advantages of simple structure, strong reliability and low maintenance cost and can realize the multistage shelter expansion device and the corresponding expansion shelter and the multistage expansion shelter.
The basic idea of the application is that a scissor type structure is adopted to form a telescopic unit, a simple connecting rod structure is adopted to stably transmit power and is convenient to maintain, and the telescopic unit drives the two side frames to form an integral whole frame structure of the expansion shelter; the shear structure can also play a role in improving the integral rigidity of the frame structure, and is different from the traditional turning plate type structure, a reliable connector is formed on the side wall of the expansion shelter, so that the structural stability of the whole expansion shelter is facilitated.
Based on the above conception, the application provides the following technical scheme:
firstly, an electric expansion device for a shelter is provided, which comprises an electric push rod, a scissor mechanism, a moving frame and a fixed frame; the electric push rod is arranged on the vertical edge of the fixed frame and comprises a movable end which moves vertically; the moving frame is arranged opposite to the fixed frame; the shear mechanism is arranged between the moving frame and the fixed frame and comprises at least two groups of connecting rod units which are connected end to end and are hinged with each other, and each connecting rod unit comprises a driving connecting rod and a driven connecting rod which are hinged in a crossed manner; the free ends of the driving connecting rods of the first group of connecting rod units are connected with the movable end of the electric push rod, and the free ends of the driven connecting rods of the first group of connecting rod units are connected with the fixed frame; the ends of the driving connecting rod and the driven connecting rod of the last group of connecting rod units are respectively connected with the moving frame. The electric push rod is powered, and the longitudinal expansion of the electric push rod drives the scissor mechanism to horizontally expand and contract, so that the expansion and the folding actions of the carriage are realized.
In order to improve the supporting force of the bottom, the telescopic pipe type support device further comprises a guide rod mechanism, wherein the guide rod mechanism comprises a fixed sleeve and a telescopic pipe, the fixed sleeve is connected with a fixed frame, and the moving end of the telescopic pipe is connected with a moving frame. According to the number of expansion stages, the guide rod mechanism can be arranged into a plurality of stages of guide rods which are sequentially elongated, so that the bottom strength of the expansion cabins of corresponding expansion stages is increased. Specifically, as multistage guide rod mechanism, adopt telescopic tube's structure, constitute including multistage guide rod, roller pair, bearing and the stop device of suit in proper order, mainly used railway carriage or compartment body extension direction and bear usefulness.
In order to improve the overall strength of the expansion cabin, the expansion cabin further comprises an auxiliary supporting structure, and two ends of the auxiliary supporting structure are respectively connected with the upper end of the fixed frame and the lower end of the moving frame. Preferably, the fixed frame and the movable frame are arranged on the corresponding side edges; the auxiliary support structure is preferably a telescopic and fixable length support bar.
In order to improve the stability of the guiding movement, the free end of the driving connecting rod of the first group of connecting rod units is connected with the movable end of the electric push rod in a guiding groove arranged on the fixed frame; the end parts of the driven connecting rods of the last group of connecting rod units are arranged in guide grooves arranged on the moving frame.
Similar to a conventional flap type unfolding structure, the folding device further comprises an external tension mechanism for improving the folding efficiency of the top plate of the expansion cabin, wherein the external tension mechanism comprises a steel wire rope or a push-pull rod, one end of the steel wire rope or the push-pull rod is connected with an electric push rod, and the other end of the steel wire rope or the push-pull rod is connected with the top plate of the expansion cabin. When the expansion cabin is folded, the top plate and the frame are in a vertical state, so that the expansion cabin cannot be folded in place in one step through the shrinkage of the scissor fork mechanism. The collapsing is performed in two steps: the first step is that an electric push rod pulls a top plate of the expansion cabin to rotate downwards to be folded through a steel wire rope, and the top plate drives a side plate and a bottom plate to be folded; and secondly, the electric push rod drives the scissor fork mechanism to start to shrink, the side plates are driven to fold, and the side plates drive the top plate and the bottom plate to fold.
In order to realize multistage expansion, the scheme of the application has the advantage of simple structure, and can realize multistage expansion only by sequentially connecting the scissor mechanism and the corresponding moving frame. Specifically, the motion frame comprises a primary motion frame and a plurality of secondary motion frames, one side of the primary motion frame is connected with the fixed frame through a scissor mechanism, the other side of the primary motion frame is connected with the secondary motion frame through a scissor mechanism, and the secondary motion frames are connected through the scissor mechanism; corresponding electric push rods are arranged on the primary moving frame and the secondary moving frame and are connected with a next-stage shearing mechanism.
Corresponding electric putter all can set up and to dismantle the hand wheel device, and the device can directly link to each other with electric putter's motor pivot, realizes the manual extension in carriage.
The application further provides an electric expansion shelter adopting the electric expansion device, the shelter comprises a main body cabin, at least one side of the main body cabin is provided with an expansion cabin, one end of the expansion cabin is provided with a fixed frame of the electric expansion device, the fixed frame is fixedly connected with the functional cabin, and the other end of the expansion cabin is provided with a moving frame.
To further simplify the structure, the scissor mechanism comprises two groups of connecting rod units which are connected end to end and are hinged with each other.
Finally, the application provides a multistage electric expansion shelter adopting the electric expansion device, which is characterized in that the shelter comprises a main body cabin, at least one side of the main body cabin is provided with an expansion cabin, the expansion cabin comprises a primary expansion cabin and a plurality of secondary expansion cabins, the primary expansion cabin and the secondary expansion cabins are respectively provided with the electric expansion device, one end of the primary expansion cabin is connected with the primary expansion cabin through a fixed frame fixedly arranged on the main body cabin, and the other end of the primary expansion cabin is provided with a primary moving frame; a secondary expansion bin is formed between the primary moving frame and the secondary moving frame.
It should be noted that, the arrangement and connection manner of the top plate and the bottom plate of the expansion cabin in the present application may be a conventional expansion shelter, which is not limited herein.
Compared with the prior art, the technical scheme of the application has the following technical advantages:
(1) The structure is simple, and the production cost and the maintenance cost are low. The telescopic unit is formed by adopting a scissor type structure, and the power can be stably transmitted by adopting a simple connecting rod structure, so that the telescopic unit is convenient to maintain.
(2) The structural stability of the expansion cabin is greatly improved. The telescopic units formed by the scissor type structure drive the frames at two sides to form an integral frame structure of the expansion shelter, and the scissor type structure can also play a role in improving the integral rigidity of the frame structure.
(3) The expanding device has high reliability. The power source of the expansion device is single, the number of the hinge points is very small, and the stability is obviously higher than that of the existing folding structure with complex structure and multiple connecting points.
(4) The operation is simple, and the expansion automation degree is high. The electric push rod with strong motion stability is adopted, power is directly output, no additional power transmission structure is arranged, and the requirements of stability improvement and automation simplification are met.
(5) The multi-stage expansion is not interfered with each other. By arranging the independent electric push rods on different movement frames, the expansion control of each expansion cabin is realized, and the expansion cabins with corresponding numbers can be expanded according to the needs and the actual working conditions of the sites.
Drawings
Fig. 1 is a schematic view of a structure of a furled state of an electric expansion device for a shelter in a first embodiment;
FIG. 2 is a schematic view showing a structure of an electric expansion device for shelter in the process of deployment in the first embodiment;
fig. 3 is a schematic structural view of the electric expansion device for shelter according to the first embodiment after deployment;
fig. 4 is a schematic structural view showing an expanded state of the electric expansion device for shelter in the second embodiment;
fig. 5 is a schematic structural view of an electric expansion device for shelter in the second embodiment during folding;
fig. 6 is a schematic structural view of the electric expansion device for shelter in the second embodiment after completion of folding;
FIG. 7 is a horizontal cross-sectional view of a collapsed state of a three-stage electric expansion shelter in a vehicle-mounted state in a third embodiment;
fig. 8 is an external schematic view of a collapsed state of the three-stage electric expansion shelter in a vehicle-mounted state in the third embodiment;
fig. 9 is a primary expansion schematic diagram of a three-stage electric expansion shelter in a vehicle-mounted state in a third embodiment;
fig. 10 is a two-stage expansion schematic diagram of a three-stage electric expansion shelter in a vehicle-mounted state in a third embodiment;
fig. 11 is a three-stage expansion schematic diagram of the three-stage electric expansion shelter in the vehicle-mounted state in the third embodiment.
Detailed Description
Example 1
Referring to fig. 1-3, there are schematic views of the relevant structure and deployment process of an expansion shelter using an electric expansion device according to this embodiment. In this embodiment, a primary expansion shelter using an electric expansion device is shown. Comprising a main body compartment 1 and an expansion compartment 2, the relevant frame structure of the expansion compartment 2 being collapsed in the main body compartment 1, wherein the relevant frame structure of the expansion compartment 2 described herein mainly comprises an electric expansion device 21 and a top plate 22 of the expansion compartment, a bottom plate 23 of the expansion compartment and side plates (not shown) of the expansion compartment.
As shown in the schematic structural view of the electric expansion device for shelter in fig. 2, it can be seen that the electric expansion device 21 includes an electric push rod 211, a scissor mechanism 212, a moving frame 213 and a fixed frame 214; electric push rod 211 is disposed on a vertical side of fixed frame 214 and includes a movable end for vertical movement; the moving frame 213 is disposed opposite to the fixed frame 214; the scissor mechanism 212 is disposed between the moving frame 213 and the fixed frame 214, one end of the scissor mechanism 212 is connected to the movable ends of the fixed frame 214 and the electric push rod 211, respectively, and the other end is connected to the moving frame 213.
Wherein the scissor mechanism 212 comprises at least two groups of connecting rod units 24 which are connected end to end and are hinged with each other, and the connecting rod units 24 comprise a driving connecting rod 25 and a driven connecting rod 26 which are hinged in a crossed manner; the free ends of the driving links 25 of the first group of link units are connected with the movable ends of the electric push rods 211, and the free ends of the driven links 26 of the first group of link units are connected with the fixed frame 214; the ends of the driving link 28 and the driven link 29 of the last group of link units 27 are connected to the moving frame 213, respectively. The free ends of the driving links 25 of the first group of link units are connected with the movable ends of the electric push rods 211 in vertical guide grooves 30 provided on the fixed frame 214; the ends of the driven links 29 of the last set of link units are disposed in vertical guide slots 31 on the moving frame 213. The guide rod mechanism 32 is further included, the guide rod mechanism 32 comprises a fixed sleeve 33 and a telescopic tube 34, the fixed sleeve 33 is connected with the fixed frame, and the moving end of the telescopic tube 34 is connected with the moving frame. And the expansion cabin further comprises an external tension mechanism 221, wherein the external tension mechanism comprises a push-pull rod, one end of the push-pull rod is connected with the electric push rod 211, and the other end of the push-pull rod is connected with the top plate 22 of the expansion cabin.
In the unfolding process, power is applied through the electric push rod, and the longitudinal expansion of the electric push rod drives the scissor mechanism to horizontally expand and contract, so that the carriage is expanded and folded. The telescopic unit is formed by adopting a scissor type structure, and the simple connecting rod structure can stably transmit power and is convenient to maintain, and the telescopic unit drives the two side frames to form an integral whole frame structure of the expansion shelter; the shear structure can also play a role in improving the integral rigidity of the frame structure, and is different from the traditional turning plate type structure, a reliable connector is formed on the side wall of the expansion shelter, so that the structural stability of the whole expansion shelter is facilitated.
Fig. 3 is a schematic structural view of the electric expansion device for shelter after the expansion is completed, and it can be seen that the left and right expansion cabins 2 and 2' are formed on both sides of the main body cabin 1 after the whole mechanism is expanded.
Example two
Referring to fig. 4-6, there are schematic views of the relevant structure and collapsing process of the expansion shelter using the electric expansion device shown in this embodiment.
Unlike the first embodiment, the device further comprises an external tension mechanism 221, wherein the external tension mechanism comprises a steel wire rope 222, one end of the steel wire rope 222 is connected with the electric push rod 211, and the other end is connected with the top plate 22 of the expansion cabin. Other structures are the same as those of the first embodiment, and will not be described again.
The specific shrinkage process is as follows, and the expansion cabin can not be folded in place in one step through the shrinkage of the scissor fork mechanism because the top plate and the frame are in a vertical state when being folded. The collapsing is performed in two steps: the first step is that an electric push rod pulls a top plate of the expansion cabin to rotate downwards to be folded through a steel wire rope, and the top plate drives a side plate and a bottom plate to be folded; and secondly, the electric push rod drives the scissor fork mechanism to start to shrink, the side plates are driven to fold, and the side plates drive the top plate and the bottom plate to fold.
Example III
Referring to fig. 7-11, a schematic structural diagram of the folding and unfolding process of the three-stage electric expansion shelter in the vehicle-mounted state is shown.
Unlike the first embodiment, three-stage expansion can be achieved by simply connecting the scissor mechanism and the corresponding motion frame in sequence. Specifically, the motion frame comprises a primary motion frame and two secondary motion frames, wherein one side of the primary motion frame is connected with the fixed frame through a scissor mechanism, the other side of the primary motion frame is connected with the secondary motion frame through a scissor mechanism, the secondary motion frame is connected with the primary motion frame through a scissor mechanism, and the secondary motion frame is connected with the tertiary motion frame through a scissor mechanism; the primary moving frame and the secondary moving frame are respectively provided with a corresponding electric push rod and are connected with a next-stage shearing mechanism.
In fig. 7, the three-stage electric expansion shelter is shown, in which the related structure of the three-stage expansion shelter is folded in the main cabin, and in the folded state, as can be seen from the external schematic diagram 8, the three-stage electric expansion shelter is not different from the appearance of the main cabin, and has no influence on transportation.
Fig. 9 shows a primary expansion state of the three-stage electric expansion shelter in a vehicle-mounted state, wherein a scissor mechanism is connected with a fixed frame arranged on the main cabin, and is pushed by an electric push rod to transversely stretch to drive the primary movement frame to move in a direction away from the main cabin, so that a primary expansion shelter 3 is formed after the primary movement frame is moved.
Fig. 10 shows a secondary expansion state of the three-stage electric expansion shelter in a vehicle-mounted state, the scissor mechanism is pushed by the electric push rod to form transverse expansion, the secondary movement frame is driven to move in a direction away from the main cabin, and after the movement is finished, the secondary expansion shelter 4 is formed.
Fig. 11 shows a three-stage expansion state of the three-stage electric expansion shelter in a vehicle-mounted state, the scissor mechanism is pushed by the electric push rod to form transverse expansion, the three-stage movement frame is driven to move in a direction away from the main body cabin, and after the movement is finished, the three-stage expansion shelter 5 is formed.
While this disclosure includes particular embodiments, it will be obvious to those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present claims and their equivalents. The embodiments described herein should be considered in an illustrative sense only and not for the purpose of limitation. The description of features and aspects in each embodiment is considered to apply to similar features and aspects in other embodiments. Therefore, the scope of the application should not be limited by the specific description but by the claims, and all changes within the scope of the claims and the equivalents thereof are to be construed as being included in the technical scope of the application.
Claims (5)
1. An electric expansion device for a shelter is characterized in that,
comprises an electric push rod, a scissor mechanism, a moving frame and a fixed frame;
the electric push rod is arranged on the vertical edge of the fixed frame and comprises a movable end which moves vertically;
the moving frame is arranged opposite to the fixed frame;
the shear mechanism is arranged between the moving frame and the fixed frame, one end of the shear mechanism is respectively connected with the movable ends of the fixed frame and the electric push rod, and the other end of the shear mechanism is connected with the moving frame;
the device also comprises an external tension mechanism, wherein the external tension mechanism comprises a steel wire rope or a push-pull rod, one end of the steel wire rope or the push-pull rod is connected with the electric push rod, and the other end of the steel wire rope or the push-pull rod is connected with the top plate of the expansion cabin;
the shear mechanism comprises at least two groups of connecting rod units which are connected end to end and are hinged with each other, and each connecting rod unit comprises a driving connecting rod and a driven connecting rod which are hinged in a crossed manner; the free ends of the driving connecting rods of the first group of connecting rod units are connected with the movable end of the electric push rod, and the free ends of the driven connecting rods of the first group of connecting rod units are connected with the fixed frame; the ends of the driving connecting rod and the driven connecting rod of the last group of connecting rod units are respectively connected with the moving frame, and the free end of the driving connecting rod of the first group of connecting rod units is connected with the movable end of the electric push rod in a vertical guide groove arranged on the fixed frame; the end parts of the driven connecting rods of the last group of connecting rod units are arranged in vertical guide grooves on the moving frame;
the shelter comprises a main body cabin, at least one side of the main body cabin is provided with an expansion cabin, one end of the expansion cabin is provided with a fixed frame of an electric expansion device, the fixed frame is fixedly connected with the functional cabin, and the other end of the expansion cabin is provided with a moving frame of the electric expansion device;
the guide rod mechanism comprises a fixed sleeve and a telescopic tube, the fixed sleeve is connected with a fixed frame, and the moving end of the telescopic tube is connected with a moving frame.
2. The electric expansion device for shelter of claim 1, further comprising an auxiliary support structure, both ends of which are respectively connected to the upper ends of the sides of the fixed frame and the lower ends of the sides of the same side of the moving frame.
3. The electric expansion shelter of claim 1, in which the scissor mechanism comprises two sets of link units connected end to end and hinged to each other.
4. The motorized expansion shelter of claim 1, further comprising a support structure disposed in a lower portion of the shelter.
5. The electric expansion shelter of claim 1, wherein the main shelter is provided with expansion cabins on both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610890889.4A CN107938848B (en) | 2016-10-12 | 2016-10-12 | Electric expansion device for shelter and electric expansion shelter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610890889.4A CN107938848B (en) | 2016-10-12 | 2016-10-12 | Electric expansion device for shelter and electric expansion shelter |
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| CN107938848A CN107938848A (en) | 2018-04-20 |
| CN107938848B true CN107938848B (en) | 2023-12-01 |
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|---|---|---|---|---|
| CN108652838B (en) * | 2018-04-26 | 2024-04-26 | 艾迪森诺亚移动医院智能装备江苏有限公司 | Medical capsule car skeleton texture |
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