CN216405718U - Foldable large exhibition hall - Google Patents
Foldable large exhibition hall Download PDFInfo
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- CN216405718U CN216405718U CN202122070440.2U CN202122070440U CN216405718U CN 216405718 U CN216405718 U CN 216405718U CN 202122070440 U CN202122070440 U CN 202122070440U CN 216405718 U CN216405718 U CN 216405718U
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Abstract
The utility model provides a foldable large exhibition hall, which comprises an exhibition hall main body, a downward-unfolding support arm assembly and an upward-unfolding support arm assembly, wherein the exhibition hall main body comprises a main body bottom surface, stand columns and a main body top surface arranged on the upper side of the main body bottom surface through the stand columns; the lower unfolding overhead arm assembly comprises a lower unfolding overhead arm unit, and the lower unfolding overhead arm unit comprises a lower hydraulic cylinder hinged to the bottom surface of the main body and a lower support arm hinged to the bottom surface of the main body; the upper unfolding support arm component comprises an upper unfolding support arm unit, and the upper unfolding support arm unit comprises an upper hydraulic cylinder hinged to the top surface of the main body and an upper support arm hinged to the top surface of the main body. The utility model is also provided with a hydraulic system for providing hydraulic energy. The lower unfolding support arm assembly and the upper unfolding support arm assembly can be unfolded towards two sides for space expansion to provide activity space and can be retracted to be transferred through a trailer. The exhibition hall is reasonable in structural design, simple in unfolding and folding operations of the exhibition hall, and flexible in movement and the like.
Description
Technical Field
The utility model relates to the technical field of exhibition halls, in particular to a foldable large-scale exhibition hall.
Background
In China, particularly in areas with large people circulation, such as tourist spots, shopping malls and the like, large-scale meeting activities, such as food festivals, concerts and the like, are often held, the meeting activities have very obvious seasonal characters, and if houses are specially built for the meeting activities, the houses are vacant after the meeting activities are finished, so that the waste of house resources is caused. In addition, due to the reasons that equipment matched with the temporary tent is imperfect and the like, the situation that garbage is thrown by hands is visible everywhere during the gathering activity, and thus the serious environmental pollution problem is caused.
When the above problems are encountered, the temporary tent is usually built by each participant participating in the meeting event, in this case, the participant needs to carry not only necessary articles related to the meeting event but also multiple temporary tents, which brings inconvenience to the meeting participation.
SUMMERY OF THE UTILITY MODEL
In summary, how to provide a movable foldable large exhibition hall to facilitate participants to join in meeting activities quickly becomes a problem to be solved by those skilled in the art.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a foldable large exhibition hall, comprising:
the exhibition hall main body is of a rectangular frame structure and comprises a main body bottom surface, a stand column vertically arranged on the main body bottom surface and a main body top surface arranged on the upper side of the main body bottom surface through the stand column;
the lower unfolding overhead arm assembly comprises lower unfolding overhead arm units, each lower unfolding overhead arm unit comprises a lower hydraulic cylinder hinged to the bottom surface of the main body and a lower support arm hinged to the bottom surface of the main body, a lower support arm hinge point is arranged on each lower support arm, each lower hydraulic cylinder is hinged to each lower support arm through the lower support arm hinge point, at least two groups of lower unfolding support arm units are arranged on the same side of the bottom surface of the main body along the length direction of the bottom surface of the main body, two groups of lower unfolding overhead arm assemblies are arranged on two sides of the bottom surface of the main body respectively along the length direction of the bottom surface of the main body;
an upper unfolding support arm component, which comprises an upper unfolding support arm unit, wherein the upper unfolding support arm unit comprises an upper hydraulic cylinder hinged on the top surface of the main body and an upper support arm hinged on the top surface of the main body, an upper support arm hinge point is arranged on the upper support arm, the upper hydraulic cylinder is hinged with the upper support arm through the upper support arm hinge point, the connection point between the upper hydraulic cylinder and the top surface of the main body, the connection point between the upper support arm and the top surface of the main body and the upper support arm hinge point are not collinear, the upper unfolding arm units are provided with at least two groups and are arranged on the same side of the top surface of the main body along the length direction of the top surface of the main body, the upper unfolding support arm assemblies are arranged in two groups, and the two groups of upper unfolding support arm assemblies are respectively arranged on two sides of the top surface of the main body along the length direction of the top surface of the main body;
and the hydraulic system is connected with the upper hydraulic cylinder and the lower hydraulic cylinder and is used for providing hydraulic energy for the upper hydraulic cylinder and the lower hydraulic cylinder.
Preferably, in the foldable large exhibition hall provided by the present invention, the main body top surface is provided with two main body top surface long side beams, the end of the main body top surface long side beam is provided with a main body top surface wide side beam, and the main body top surface long side beam is connected with the end of the main body top surface wide side beam to form a rectangular frame structure; a plurality of mounting beams are arranged along the length direction of the top surface of the main body and between the two wide side beams of the top surface of the main body at equal intervals, and two ends of each mounting beam are fixedly connected with the long side beam of the top surface of the main body; each mounting beam is provided with two groups of upper unfolding support arm units, and the two groups of upper unfolding support arm units arranged on the same mounting beam are symmetrically arranged.
Preferably, in the foldable large exhibition hall provided by the present invention, an articulated beam is disposed at an axially middle position of the mounting beam, and a bottom end of the upper hydraulic cylinder is articulated with the articulated beam.
Preferably, in the foldable large exhibition hall provided by the present invention, a main body ceiling reinforcement beam is disposed between two main body ceiling long side beams at equal intervals, and an end of the hinge beam is butted against the main body ceiling reinforcement beam.
Preferably, in the foldable large exhibition hall provided by the utility model, the cross section of the upper support arm in the length direction is of a T-shaped structure; the upper supporting arm comprises a panel connecting sheet used for being connected with a panel and a hinge sheet vertically arranged with the panel connecting sheet, and a hinge point of the upper supporting arm is arranged on the hinge sheet.
Preferably, in the foldable large exhibition hall provided by the utility model, a bottom side bracket is fixedly connected with the lower arm of the lower exhibition overhead arm assembly, and the bottom side bracket is of a longitudinal and transverse grid bracket structure.
Preferably, in the foldable large exhibition hall provided by the utility model, the bottom surface of the main body is of a longitudinal and transverse grid support structure.
Preferably, in the foldable large exhibition hall provided by the present invention, the lower support arm is of a long support arm structure, the position of the lower support arm near the tail end of the lower support arm is hinged to the bottom surface of the main body, a hinged clamp plate is arranged at the tail end of the lower support arm along the axial direction of the lower support arm, and the lower hydraulic cylinder is hinged to the hinged clamp plate.
Preferably, in the foldable large exhibition hall provided by the utility model, the distance between the hinge point between the lower support arm and the bottom surface of the main body and the long middle line of the bottom surface of the main body is L1; the distance between the hinge point between the upper support arm and the top surface of the main body and the long middle line of the top surface of the main body is L2; the thickness of the bottom side bracket is M; then, L1-L2 is not less than M, or L2-L1 is not less than M.
Preferably, in the foldable large exhibition hall provided by the utility model, the hydraulic system comprises a lower hydraulic subsystem and an upper hydraulic subsystem; the lower hydraulic subsystem is connected with the lower unfolding overhead arm assembly and is used for providing hydraulic energy for the lower hydraulic cylinder; the upper hydraulic subsystem is connected with the upper unfolding support arm assembly and is used for providing hydraulic energy for the upper hydraulic cylinder.
Compared with the prior art, the beneficial effects of this application are as follows:
the utility model provides a foldable large exhibition hall, which comprises an exhibition hall main body, a downward unfolding support arm assembly and an upward unfolding support arm assembly. The exhibition hall main body is of a rectangular frame structure and comprises a main body bottom surface, an upright post and a main body top surface arranged on the upper side of the main body bottom surface through the upright post; the lower unfolding overhead arm assembly comprises a lower unfolding overhead arm unit, and the lower unfolding overhead arm unit comprises a lower hydraulic cylinder hinged to the bottom surface of the main body and a lower support arm hinged to the bottom surface of the main body; the upper unfolding support arm component comprises an upper unfolding support arm unit, and the upper unfolding support arm unit comprises an upper hydraulic cylinder hinged to the top surface of the main body and an upper support arm hinged to the top surface of the main body. The hydraulic system is connected with the upper hydraulic cylinder and the lower hydraulic cylinder and used for providing hydraulic energy to the upper hydraulic cylinder and the lower hydraulic cylinder.
Through the structural design, the foldable large exhibition hall provided by the utility model can be expanded to two sides for space expansion to provide a movable space for meeting activities through the lower expansion expense arm assembly and the upper expansion support arm assembly relative to the exhibition hall main body, and the lower expansion expense arm assembly and the upper expansion support arm assembly can also be overturned and retracted relative to the exhibition hall main body, so that the whole exhibition hall is stored into a container type structure and can be transferred through a trailer. The exhibition hall is reasonable in structural design, simple in unfolding and folding operations of the exhibition hall, and flexible in movement and the like. The foldable large exhibition hall can provide sufficient expansion space, and the supporting equipment related to meeting activities is more complete, so that the visiting experience of the exhibition is improved, the problem of environmental pollution caused by throwing garbage at will is solved, and the environmental protection performance of the foldable large exhibition hall is greatly improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
Fig. 1 is a schematic structural view of a foldable large exhibition hall in an embodiment of the utility model.
The correspondence between the names of the components and the reference numerals in fig. 1 is:
the hydraulic support comprises a main body bottom surface 1, a stand column 2, a main body top surface 3, a lower hydraulic cylinder 4, a lower support arm 5, an upper hydraulic cylinder 6 and an upper support arm 7.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the utility model, and not limitation of the utility model. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit thereof. For example, shown or described
Features that are part of one embodiment can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" used herein should be interpreted broadly, and may include, for example, a fixed connection or a detachable connection; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
Referring to fig. 1, fig. 1 is a schematic structural view of a foldable large exhibition hall according to an embodiment of the present invention.
The utility model provides a foldable large exhibition hall, which is used for realizing the commercialization of motor homes.
The foldable large exhibition hall provided by the utility model has a certain storage space inside in a folding and accommodating state, and is used for placing some commodities or equipment required by meeting activities. In addition, after the foldable container is folded and stored, the overall size of the foldable container is similar to that of a container, and the foldable container can be directly pulled on the road through a trailer. The foldable large exhibition hall provided by the utility model can form a large exhibition hall in an unfolded state, and can provide a movable place required by a meeting without additionally building a tent.
In the utility model, the foldable large exhibition hall comprises the following components:
1. exhibition hall main body
The exhibition hall main body is a main body structure of a foldable large exhibition hall and is used for installation of other structures of the utility model.
Specifically, the exhibition room main part is rectangle frame construction, and the overall dimension of collapsible large-scale exhibition room under the folding state of accomodating is close with the size of exhibition room main part (that is to say that the structural dimension after collapsible large-scale exhibition room folding accomodating is restricted by the exhibition room main part). The exhibition hall main part is including main part bottom surface 1, vertical stand 2 that sets up on main part bottom surface 1 and set up the main part top surface 3 in main part bottom surface 1 upside through stand 2.
The projection of main part bottom surface 1 is the rectangle (main part bottom surface 1 has certain thickness), and further, main part bottom surface 1 is vertically and horizontally staggered's net supporting structure, and main part bottom surface 1 is including longeron and crossbeam, and crossbeam and the crisscross setting of longeron (be 90 contained angle structures between crossbeam and the longeron), can guarantee that main part bottom surface 1 has higher structural strength and bearing capacity like this. The bottom surface 1 of the main body is made of metal section bars, such as square steel pipes, stainless steel square pipes, channel steels, i-beams, and the like.
The foldable large exhibition hall provided by the utility model can be provided with the travelling wheels, so that the transfer of the foldable large exhibition hall can be realized only by one automobile capable of dragging the foldable large exhibition hall. Certainly, the foldable large exhibition hall provided by the utility model can be transferred by depending on a trailer, so that the lock structure can be arranged on the bottom surface 1 of the main body of the exhibition hall main body and is used for realizing detachable connection with the trailer.
The metal profiles forming the bottom surface 1 of the main body may be assembled together by welding, flange connection, bolt connection, or the like.
In the present invention, the bottom surface 1 of the main body has a load-bearing function, and should have a high structural strength, and thus, it adopts the above-described horizontal lattice support structure. The main body top surface 3 does not need to bear load, so the main body top surface 3 is designed as follows in the utility model in consideration of the whole weight of the exhibition hall main body: the main part top surface 3 is provided with two main part top surface long side beams (stainless steel square tubes or aluminum alloy square tubes), the end part (both ends of the main part top surface long side beam are respectively provided with a main part top surface wide side beam) of the main part top surface long side beam is provided with a main part top surface wide side beam (stainless steel square tubes or aluminum alloy square tubes), the main part top surface long side beam is connected with the end part of the main part top surface wide side beam (preferably fixedly connected in a welding mode, and certainly, the bolt assembly can be adopted for detachable connection) and a rectangular frame structure is formed. The projection of the main body top surface 3 is rectangular, and the projection size of the main body top surface 3 is the same as the projection size of the main body bottom surface 1.
A plurality of mounting beams (stainless steel square tubes or aluminum alloy square tubes) are arranged along the length direction of the main body top surface 3 and between the two main body top surface wide side beams at equal intervals, and two ends of each mounting beam are fixedly connected (preferably welded) with the main body top surface long side beams. The design of the top surface 3 of the main body can effectively reduce the consumption of metal section bars of the top surface 3 of the main body on the premise of ensuring that the top surface 3 of the main body has certain structural strength, thereby achieving the purposes of reducing the manufacturing cost and reducing the overall quality.
In the utility model, the upright posts 2 are metal upright posts, preferably stainless steel tubes or I-shaped steel, and the upright posts 2 are arranged at four vertex angles of the bottom surface 1 of the main body and fixedly connected with four vertex angles of the top surface 3 of the main body.
2. Lower exhibition overhead arm assembly
The lower-unfolding overhead arm assembly is a main structure for realizing space expansion, an expansion supporting surface which is flush with the bottom surface 1 of the main body can be formed after the lower-unfolding overhead arm assembly is opened, through later decoration of the lower-unfolding overhead arm assembly, a bottom plate (ground decorative plate) is paved on the expansion supporting surface and the bottom surface 1 of the main body, and a larger exhibition hall ground can be formed after the lower-unfolding overhead arm assembly is opened.
Specifically, the lower extension arm assembly includes a lower extension arm unit, which is a basic motion unit.
The lower unfolding arm unit comprises a lower hydraulic cylinder 4 hinged on the bottom surface 1 of the main body. According to the utility model, a groove structure is arranged on the bottom surface 1 of the main body according to the arrangement position of the lower hydraulic cylinder 4 and is used for accommodating the lower hydraulic cylinder 4, the bottom (the top end is the hydraulic rod end) of the lower hydraulic cylinder 4 can be fixedly provided with a hinge shaft, and the bottom surface 1 of the main body is provided with a hinge seat, so that the lower hydraulic cylinder 4 is arranged on the bottom surface 1 of the main body.
The lower arm unit comprises a lower arm 5 hinged to the bottom surface 1 of the main body, and the lower arm 5 should have a high bending resistance, so the lower arm 5 is preferably a square steel pipe (may be an i-steel). The lower support arm 5 is a long support arm structure (in colloquial, a long rod structure), a lower support arm hinge point (the lower support arm hinge point is close to the tail end part of the lower support arm 5) is arranged on the lower support arm 5, and the lower hydraulic cylinder 4 is hinged with the lower support arm 5 through the lower support arm hinge point.
Specifically, the lower arm 5 is a long arm structure, the position of the lower arm 5 near the tail end thereof is hinged to the bottom surface 1 of the main body, a hinged clamping plate is arranged at the tail end of the lower arm 5 along the axial direction thereof, and the lower hydraulic cylinder 4 is hinged to the hinged clamping plate. Through designer's structural design, lower support arm 5 is opening under the flat state of exhibition, and lower pneumatic cylinder 4 is the horizontality, and lower pneumatic cylinder 4 is in same horizontal straight line with main part bottom surface 1's tie point (pin joint), lower pneumatic cylinder 4 and lower support arm 5's tie point (pin joint) and lower support arm 5 and main part bottom surface 1's tie point (lower support arm pin joint). When the lower support arm 5 needs to be folded and folded, the hydraulic cylinder shaft of the lower hydraulic cylinder 4 is ejected out, so that the connection point of the lower hydraulic cylinder 4 and the lower support arm 5 makes circular motion relative to the hinge point of the lower support arm, the lower support arm 5 integrally acts, and the lower support arm 5 can be lifted to be close to a right-angle state to complete the storage of the lower support arm 5. In the raised and stored state of the lower arm 5, the outer side surface of the lower arm 5 is flush with the outermost edge of the main body bottom surface 1 (i.e., the lower arm 5 does not protrude).
In the utility model, at least two groups of downward-extending overhead arm units are arranged on the same side of the bottom surface 1 of the main body along the length direction of the bottom surface 1 of the main body, and two groups of downward-extending overhead arm units are arranged on two sides of the bottom surface 1 of the main body along the length direction of the bottom surface 1 of the main body. Meanwhile, the bottom side support is fixedly connected to the lower arm 5 of the lower unfolding support arm assembly, the bottom side support is of a longitudinal and transverse grid support structure, and the stability and firmness of treading in the expanded space can be guaranteed by arranging the bottom side support. Further, in the present invention, the structure of the bottom surface side bracket is the same as that of the main body bottom surface 1.
It should be noted that: the utility model is additionally provided with a supporting leg device and a stair device, wherein the supporting leg device can provide supporting force for the downward-unfolding supporting arm assembly in a state that the downward-unfolding supporting arm assembly is unfolded, so that the stability of the unfolding structure is ensured. The stair device is convenient for visitors or consumers to walk up the foldable large exhibition hall to visit, rest, consume and the like.
3. Upper-expanding arm assembly
The upper expansion support arm component and the lower expansion support arm component are matched for use, the main function is that after the lower expansion support arm component is expanded, the upper expansion support arm component can form a supporting structure above the expanded space for installing a sun-shading structure (such as a sun-shading board, a sun-shading curtain and the like, so that the sun-shading structure can shade sun, can prevent rain and can also increase the attractiveness of the expanded space).
In the present invention, the upper-deployment arm assembly includes an upper-deployment arm unit, which is the minimum unit of execution for realizing the movement of the upper-deployment arm assembly. Specifically, the upper unfolding arm unit comprises an upper hydraulic cylinder 6 hinged on the top surface 3 of the main body and an upper arm 7 hinged on the top surface 3 of the main body, and the length of the upper arm 7 is not more than the height of the main body of the exhibition hall, so that the upper arm 7 can be smoothly retracted into the main body of the exhibition hall. In an embodiment of the present invention, the cross section of the upper arm 7 in the length direction is a T-shaped structure, the upper arm 7 includes a panel connecting piece for connecting with a panel (a decorative panel with a decorative function, or the above-mentioned sunshade structure, such as a sun visor or a sunshade curtain) and a hinge piece arranged perpendicular to the panel connecting piece, and the upper arm 7 is integrally formed by using a metal material, so that the upper arm 7 has high structural strength. The panel connecting piece is provided with a hole structure, so that a panel can be assembled on the panel connecting piece of the upper support arm 7 through a bolt, and the hinge joint of the upper support arm is arranged on the hinge joint.
Be provided with the upper boom pin joint on upper boom 7, it is articulated with upper boom 7 through the upper boom pin joint to go up pneumatic cylinder 6, go up the tie point between pneumatic cylinder 6 and the main part top surface 3, go up tie point and upper boom pin joint non-collinear between 7 and the main part top surface 3 of support arm, it sets up in same one side of main part top surface 3 to expand the support arm unit to be provided with at least two sets of and follow the length direction of main part top surface 3, it is provided with two sets of to expand the support arm subassembly on two sets of, the both sides of main part top surface 3 are located to two sets of expansion support arm subassemblies along the length direction branch of main part top surface 3.
Based on the upper unfolding support arm component structure, the structure of the exhibition hall main body is optimized: a plurality of mounting beams are arranged along the length direction of the main body top surface 3 and between the two main body top surface wide side beams at equal intervals, two groups of upward-extending support arm units are arranged on each mounting beam, and the group-extending support arm units arranged on the same mounting beam are symmetrically arranged. Furthermore, an articulated beam is arranged at the axial middle position of the mounting beam, and the bottom end of the upper hydraulic cylinder 6 is articulated with the articulated beam. And, be provided with main part top surface reinforcing beam at equal intervals between two main part top surface longerons, the tip and the butt joint of main part top surface reinforcing beam of articulated roof beam.
In the utility model, the lower unfolding support arm component and the upper unfolding support arm component are hinged on the exhibition hall main body and can be folded and stored in the exhibition hall main body, so that the lower unfolding support arm component and the upper unfolding support arm component can generate interference after being folded, and the utility model provides the following structural design: setting the distance between the hinge point between the lower support arm 5 and the bottom surface 1 of the main body and the long central line of the bottom surface 1 of the main body to be L1, the distance between the hinge point between the upper support arm 7 and the top surface 3 of the main body and the long central line of the top surface 3 of the main body to be L2, and the thickness of the side bracket at the bottom surface to be M; in the retracted state, when the upper unfolding support arm assembly is positioned on the inner side and the lower unfolding support arm assembly is positioned on the outer side, L1-L2 is more than or equal to M; or when the lower unfolding support arm component is positioned at the inner side and the upper unfolding support arm component is positioned at the outer side in the folded state, L2-L1 is more than or equal to M. The present invention is preferably configured in a first configuration (with the upper deploy arm assembly inboard and the lower deploy arm assembly outboard in the stowed position).
4. Hydraulic system
The hydraulic system is a power assembly for providing hydraulic energy to the lower hydraulic cylinder 4 and the upper hydraulic cylinder 6 in the utility model. The hydraulic system is connected with the upper hydraulic cylinder 6 and the lower hydraulic cylinder 4 and is used for providing hydraulic energy for the upper hydraulic cylinder 6 and the lower hydraulic cylinder 4. To improve the operational flexibility of the present invention, the lower-deployment arm assemblies and the upper-deployment arm assemblies should be separately controllable, and the lower-deployment arm assemblies on the left and right sides and the upper-deployment arm assemblies on the left and right sides should also be separately controllable. Thus, in the present invention, the hydraulic system includes a lower hydraulic subsystem connected to the lower deployment arm assembly for providing hydraulic energy to the lower hydraulic cylinders 4 and an upper hydraulic subsystem connected to the upper deployment arm assembly for providing hydraulic energy to the upper hydraulic cylinders 6. Furthermore, the lower hydraulic subsystems are provided with two sets which are respectively connected with the left side and the right side lower unfolding overhead arm assemblies; the upper hydraulic subsystem is also provided with two sets which are respectively connected with the upper unfolding support arm components on the left side and the right side.
The utility model provides a foldable large exhibition hall, which comprises an exhibition hall main body, a downward unfolding support arm assembly and an upward unfolding support arm assembly. The exhibition hall main body is of a rectangular frame structure and comprises a main body bottom surface, an upright post and a main body top surface arranged on the upper side of the main body bottom surface through the upright post; the lower unfolding overhead arm assembly comprises a lower unfolding overhead arm unit, and the lower unfolding overhead arm unit comprises a lower hydraulic cylinder hinged to the bottom surface of the main body and a lower support arm hinged to the bottom surface of the main body; the upper unfolding support arm component comprises an upper unfolding support arm unit, and the upper unfolding support arm unit comprises an upper hydraulic cylinder hinged to the top surface of the main body and an upper support arm hinged to the top surface of the main body. The hydraulic system is connected with the upper hydraulic cylinder and the lower hydraulic cylinder and used for providing hydraulic energy to the upper hydraulic cylinder and the lower hydraulic cylinder.
Through the structural design, the foldable large exhibition hall provided by the utility model can be expanded to two sides for space expansion to provide a movable space for meeting activities through the lower expansion expense arm assembly and the upper expansion support arm assembly relative to the exhibition hall main body, and the lower expansion expense arm assembly and the upper expansion support arm assembly can also be overturned and retracted relative to the exhibition hall main body, so that the whole exhibition hall is stored into a container type structure and can be transferred through a trailer. The exhibition hall is reasonable in structural design, simple in unfolding and folding operations of the exhibition hall, and flexible in movement and the like.
The above is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A foldable large exhibition hall, comprising:
the exhibition hall main body is of a rectangular frame structure and comprises a main body bottom surface (1), a stand column (2) vertically arranged on the main body bottom surface and a main body top surface (3) arranged on the upper side of the main body bottom surface through the stand column;
the lower unfolding overhead arm assembly comprises lower unfolding overhead arm units, each lower unfolding overhead arm unit comprises a lower hydraulic cylinder (4) hinged to the bottom surface of the main body and a lower support arm (5) hinged to the bottom surface of the main body, a lower support arm hinge point is arranged on each lower support arm, each lower hydraulic cylinder is hinged to each lower support arm through the lower support arm hinge point, at least two groups of lower unfolding support arm units are arranged on the same side of the bottom surface of the main body along the length direction of the bottom surface of the main body, two groups of lower unfolding overhead arm assemblies are arranged on two sides of the bottom surface of the main body along the length direction of the bottom surface of the main body;
an upper unfolding support arm component which comprises an upper unfolding support arm unit, wherein the upper unfolding support arm unit comprises an upper hydraulic cylinder (6) hinged on the top surface of the main body and an upper support arm (7) hinged on the top surface of the main body, an upper support arm hinge point is arranged on the upper support arm, the upper hydraulic cylinder is hinged with the upper support arm through the upper support arm hinge point, the connection point between the upper hydraulic cylinder and the top surface of the main body, the connection point between the upper support arm and the top surface of the main body and the upper support arm hinge point are not collinear, the upper unfolding arm units are provided with at least two groups and are arranged on the same side of the top surface of the main body along the length direction of the top surface of the main body, the upper unfolding support arm assemblies are arranged in two groups, and the two groups of upper unfolding support arm assemblies are respectively arranged on two sides of the top surface of the main body along the length direction of the top surface of the main body;
and the hydraulic system is connected with the upper hydraulic cylinder and the lower hydraulic cylinder and is used for providing hydraulic energy for the upper hydraulic cylinder and the lower hydraulic cylinder.
2. Collapsible large exhibition hall according to claim 1, characterized in that,
the top surface of the main body is provided with two main body top surface long edge beams, the end part of the main body top surface long edge beam is provided with a main body top surface wide edge beam, and the main body top surface long edge beam is connected with the end part of the main body top surface wide edge beam to form a rectangular frame structure;
a plurality of mounting beams are arranged along the length direction of the top surface of the main body and between the two wide side beams of the top surface of the main body at equal intervals, and two ends of each mounting beam are fixedly connected with the long side beam of the top surface of the main body;
each mounting beam is provided with two groups of upper unfolding support arm units, and the two groups of upper unfolding support arm units arranged on the same mounting beam are symmetrically arranged.
3. Collapsible large exhibition hall according to claim 2, characterized in that,
and the middle position of the axial direction of the mounting beam is provided with a hinged beam, and the bottom end of the upper hydraulic cylinder is hinged with the hinged beam.
4. Collapsible large exhibition hall according to claim 3, characterized in that,
and main body top surface reinforcing beams are arranged between the two main body top surface long edge beams at equal intervals, and the end parts of the hinged beams are butted with the main body top surface reinforcing beams.
5. Collapsible large exhibition hall according to claim 1, characterized in that,
the cross section of the upper support arm in the length direction is of a T-shaped structure;
the upper supporting arm comprises a panel connecting sheet used for being connected with a panel and a hinge sheet vertically arranged with the panel connecting sheet, and a hinge point of the upper supporting arm is arranged on the hinge sheet.
6. Collapsible large showroom according to any one of claims 1 to 5,
and the lower support arm of the lower unfolding support arm component is fixedly connected with a bottom side support which is of a longitudinal and transverse grid support structure.
7. Collapsible large exhibition hall according to claim 1, characterized in that,
the bottom surface of the main body is of a longitudinal and transverse grid support structure.
8. Collapsible large exhibition hall according to claim 1, characterized in that,
the lower support arm is of a long support arm structure, the position, close to the tail end of the lower support arm, of the lower support arm is hinged to the bottom surface of the main body, a hinged clamping plate is arranged at the tail end of the lower support arm in the axial direction of the lower support arm, and the lower hydraulic cylinder is hinged to the hinged clamping plate.
9. Collapsible large exhibition hall according to claim 6, characterized in that,
the distance between the hinge point between the lower support arm and the bottom surface of the main body and the long middle line of the bottom surface of the main body is L1;
the distance between the hinge point between the upper support arm and the top surface of the main body and the long middle line of the top surface of the main body is L2;
the thickness of the bottom side bracket is M;
then, L1-L2 is not less than M, or L2-L1 is not less than M.
10. Collapsible large exhibition hall according to claim 1, characterized in that,
the hydraulic system comprises a lower hydraulic subsystem and an upper hydraulic subsystem;
the lower hydraulic subsystem is connected with the lower unfolding overhead arm assembly and is used for providing hydraulic energy for the lower hydraulic cylinder;
the upper hydraulic subsystem is connected with the upper unfolding support arm assembly and is used for providing hydraulic energy for the upper hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122070440.2U CN216405718U (en) | 2021-08-30 | 2021-08-30 | Foldable large exhibition hall |
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