CN211572761U - Stage structure is adjusted to convenient extensible - Google Patents

Abstract

The utility model discloses a convenient extensible stage adjusting structure, wherein a stage wood floor is composed of a plurality of splicing units; the splicing unit comprises an upright post, a cross beam and a wood floor; the end parts of the cross beams are arranged at the preassembly surfaces of the upright columns, and the cross beams and the upright columns are sequentially connected at intervals to enclose a unit frame; the axial center line of the top of the beam is provided with a separation plate, so that when the wood floor is arranged in the unit frame, the bottom surface of the wood floor is located on the top of the beam, and the side surface of the wood floor is tightly attached to the separation plate. The utility model provides a stage timber apron with adjustable, through improving the structure to the crossbeam, the bottom that makes the timber apron does not need the installation steel frame can the direct mount on the crossbeam, assembles into an assembly unit very conveniently, is favorable to reducing the weight of timber apron, alleviates assembler's work load, and the both sides of each crossbeam all can set up the timber apron, and the unit of being convenient for assemble into stage timber apron, effectively saves the cost.

Description

Stage structure is adjusted to convenient extensible

Technical Field

The utility model relates to a building plank technical field especially relates to a stage structure is adjusted to convenient extensible.

Background

The floor is a ground device material, and can be divided into solid wood floors, composite floors, glass floors, metal floors and the like according to the material. The following categories are used: the floor board can be used for household occasions, commercial occasions, outdoor floors, special floors for stage dancing and the like.

The common stage floor for commercial stage performance on the market is generally assembled by a modular steel structure and wood floors to facilitate secondary use. The existing stage floor has high manufacturing cost and troublesome assembly, and one important reason for causing the defects is the structural design of the stage floor. Referring to fig. 1, the stage floor generally includes a main frame 01 assembled by steel members, a U-shaped clamping plate 02 disposed at a top end of the main frame 01, a wood floor assembly 03 formed by riveting a steel frame to a bottom of the wood floor, and finally, the wood floor assembly 03 is mounted on the main frame 01. The structural design of the stage floor makes the product heavier, the main body frame 01 can be assembled only by connecting a large number of bolts, the wood floor assembly 03 has very heavy weight, the working difficulty of carrying personnel and assembling personnel is increased, and the cost is higher. Furthermore, referring to fig. 1, since the wood floor assemblies 03 are all modularized and have the same structure, when the U-shaped clamping board 02 is used for assembly, a large gap (at circle a in fig. 1) is left at the edge, and an additional filling piece is required to fill the gap. Moreover, after multiple uses, a gap (shown as a square frame b) is formed between adjacent wood floor components 03, and a filling piece with different specifications is required to fill the gap, so that the workload of an assembler is increased again. This gap will increase with the number of uses until the structural stability is affected, and the user will need to spend money to replace the new wood floor assembly 03, again increasing the cost.

In addition, current stage floor and outdoor covering or awning on a car, boat, etc. room are structurally inconvenient to match the equipment and use.

Accordingly, the prior art is in need of improvement and development.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stage structure is adjusted to convenient extensible, aims at solving current stage timber apron structural cost height, assembles complicated technical problem.

The technical scheme of the utility model as follows:

a convenient extensible stage adjusting structure is disclosed, wherein the stage wood floor is composed of a plurality of splicing units; the splicing units comprise upright posts, cross beams and wood floors; the end parts of the cross beams are arranged on the preassembly surfaces of the upright columns, and the cross beams and the upright columns are sequentially connected at intervals to form a unit frame; the top axial center line of the beam is provided with a separation plate, so that when the wood floor is arranged in the unit frame, the bottom surface of the wood floor is located on the top of the beam, and the side surface of the wood floor is tightly attached to the separation plate.

The convenient extensible adjusting stage structure further comprises a first center sill and a second center sill; two ends of the first middle beam are respectively arranged at the middle parts of the side surfaces of the two opposite cross beams, and two ends of the second middle beam are respectively arranged at the middle parts of the side surfaces of the two opposite cross beams and the first middle beam; and partition plates are arranged at the axial center lines of the tops of the first center sill and the second center sill.

The convenient extensible adjusting stage structure is characterized in that the upright post comprises a post foot and an outer post; the outer column is in a hollow tubular shape and is used for being sleeved on the column base; the side of outer post is equipped with the outer hole, the side of column base is equipped with the hole, uses the locking piece to pass simultaneously outer hole and hole accomplish fixedly.

Stage structure is adjusted to convenient extensible, wherein, the pre-installation face of outer post is equipped with first installation department, the both ends of crossbeam are equipped with the second installation department respectively, grafting can be dismantled in the mode realization that first installation department and second installation department adopted the pull.

The stage structure is adjusted to convenient extensible, wherein, the preset position department of preinstalled surface is equipped with the limiting plate, the limiting plate is used for blockking the tip gliding of crossbeam.

The convenient extensible stage adjusting structure is characterized in that the second mounting part is detachably connected with the end part of the beam; the end part of the beam is hollow, and the side surface of the beam is provided with an end hole; the second mounting part comprises a pre-mounting part and a connecting part; the preassembly part is used for being matched and spliced with the first installation part, one end of the connecting part is connected with the preassembly part, a terminal hole is formed in the side face of the other end of the connecting part, the connecting part is inserted into the hollow part of the terminal part of the cross beam, and the locking piece penetrates through the terminal hole and the terminal hole simultaneously to complete fixation.

The convenient extensible stage adjusting structure is characterized in that the second mounting parts are arranged at two ends of the first center sill and the second center sill; inserting clamping pieces are arranged on two sides of the middle parts of the cross beam and the first middle beam and comprise inserting parts and mounting wings; the installation wings are respectively arranged at two ends of the insertion part and used for being connected with the cross beam or the first middle beam, and the insertion part and the second installation part are detachably connected in a drawing mode.

The stage structure is adjusted in convenient extensible mode, wherein the cross-sectional shapes of the first installation portion and the insertion portion are similar C-shaped, and the cross-sectional shapes of the pre-installation portion and the insertion portion are similar T-shaped matched with the similar C-shaped.

The convenient extensible stage adjusting structure further comprises a reinforcing cable and a hooking component; the hook assembly is arranged on the pre-assembly surface and comprises an upper hook piece and a lower hook piece, the upper hook piece is arranged below the limiting plate, and the lower hook piece and the upper hook piece are arranged on the same straight line and are separated by a preset distance; two ends of the reinforcing cable are respectively connected with the upper hook piece of one upright post and the lower hook piece of the other opposite upright post, and the two reinforcing cables form an X shape.

The convenient extensible stage adjusting structure is also provided with a supporting seat; the supporting seat comprises a fixed seat and a hinged seat; the side surface of the fixed seat is provided with a fixed hole, the fixed seat is used for being inserted into the top of the outer column, and the locking piece penetrates through the outer hole and the fixed hole simultaneously to complete fixation; the hinged seat is arranged at the top of the fixed seat and is used for being connected with a bottom beam of an external tent.

Has the advantages that: the utility model provides a stage timber apron with adjustable, through improving the structure to the crossbeam, the bottom that makes the timber apron does not need the installation steel frame can the direct mount on the crossbeam, assembles into an assembly unit very conveniently, is favorable to reducing the weight of timber apron, alleviates assembler's work load, and the both sides of each crossbeam all can set up the timber apron, and the unit of being convenient for assemble into stage timber apron, effectively saves the cost. And moreover, a special stand column structure is designed, the support component with any height adjustable is assembled and combined with the pin shaft, the support component and each cross beam piece can be connected in a concave-convex clamping mode, the aluminum bottom frame of the wood floor is formed together, bolts or pin shaft connection is not needed, assembly and disassembly are convenient, and the workload of assembly personnel is reduced. And the vertical column crossed steel cables are arranged between the vertical columns, so that the structural stability is further enhanced.

Drawings

Fig. 1 is a schematic structural view of a stage floor of the related art.

Fig. 2 is a schematic structural view of the assembly unit of the stage wood floor of the present invention.

Fig. 3 is an enlarged view of a in fig. 2.

Fig. 4 is a schematic structural view of the assembly unit of the stage wood floor in another embodiment of the present invention.

Fig. 5 is a schematic structural view of the pillar.

Fig. 6 is a schematic view of a pre-assembly structure of the beam and the column.

Fig. 7 is a schematic view of a preassembly structure of the cross beam and the second mounting part.

Fig. 8 is an enlarged view at B in fig. 4.

Fig. 9 is a schematic view of the preassembly structure of the first centre sill and the cartridge clip.

Fig. 10 is a schematic sectional structure view of the outer column.

Fig. 11 is a schematic sectional structure view of the second mounting portion.

Fig. 12 is a cross-sectional view of a pre-assembly of the stud with the second mounting portion.

Fig. 13 is a schematic view of a construction of a building unit provided with reinforcing cables and stairs.

Fig. 14 is a schematic elevation structure view of the stage wood floor lowered to the lowest position.

Fig. 15 is a schematic elevation structure view of the stage wood floor raised to the highest position.

Fig. 16 is an enlarged view at C in fig. 14.

Fig. 17 is a schematic front view of the assembly of the stage wood floor and the external tent.

Figure 18 is a schematic view of the structure of the backup pad.

Fig. 19 is a schematic structural diagram of the stage wood floor assembled by a plurality of assembling units.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The utility model provides a stage structure is adjusted to convenient extensible mainly assembles unit 100 by a plurality of and constitutes, see fig. 19. Referring to fig. 2, fig. 2 is a schematic structural diagram of a splicing unit 100 according to an embodiment of the present invention, where the splicing unit 100 includes a column 2, a beam 3 and a wood floor 1. The end part of the beam 3 is arranged at the preassembly surface of the upright post 2, and the beam 3 and the upright post 2 are sequentially connected at intervals to form a unit frame, as shown in fig. 2. Referring to fig. 3, fig. 3 is an enlarged view of a position a in fig. 2, a partition plate 4 is disposed at the axial center line of the top of the beam 3, so that when the wood floor 1 is placed in the unit frame, the bottom surface of the wood floor 1 is located on the top of the beam 3, and the side surface of the wood floor 1 is tightly attached to the partition plate 4, that is, the unit frame and the wood floor 1 form an assembly unit 100. The utility model discloses a timber apron 1 adopts compound anti-skidding timber apron. The utility model discloses a structure to the crossbeam improves, makes the bottom of timber apron 1 not need install steel frame can the direct mount on crossbeam 3, assembles into one very conveniently and assembles unit 100, is favorable to reducing timber apron 1's weight, alleviates assembler's work load, and the both sides of each crossbeam all can set up timber apron 1, is convenient for assemble unit 100 and assembles into the stage timber apron, effectively saves the cost.

In another embodiment, referring to fig. 4 and 8, the structure further includes a first middle beam 5 and a second middle beam 6, two ends of the first middle beam 5 are respectively disposed at the middle of the side surfaces of the two opposite cross beams 3, two ends of the second middle beam 6 are respectively disposed at the middle of the side surfaces of the opposite cross beams 3 and the first middle beam 5, and the top axial center lines of the first middle beam 5 and the second middle beam 6 are both provided with the partition plate 4. In this embodiment, the cross section of the column 2 is square, then the outer surface of the column 2 can be provided with four pre-assembled surfaces, the unit frame formed by the column 2 and the beam 3 is square, the first middle beam 5 and the second middle beam 6 are arranged to divide one unit frame into four small square unit frames with equal area, so that one assembled unit can be provided with four wood floors 1 with smaller volume, and the structure arrangement can use materials as few as possible to ensure that the structure of the single assembled unit is more stable.

The stage wood floor assembled by a plurality of splicing units is shown in fig. 19.

In another embodiment, see fig. 5, the upright 2 comprises a column shoe 21 and an outer column 22. The outer column 22 is hollow and tubular, the cross section of the outer column 22 is square, and the outer column 22 is sleeved on the column base 21. The side of outer column 22 is equipped with outer hole 221, and the side of column base 21 is equipped with hole 211, uses the locking piece to pass outer hole 221 and hole 211 simultaneously and accomplishes the fixing. The pedestal 21 is used for supporting, and the area of the bottom of the pedestal 21 can be larger than that of the column body, so that a duck-leg-like structure is formed, and the support can be more stable. The column shoe 21 may be formed in a hollow tubular shape in order to reduce the cost. In this embodiment, the locking member is preferably a bolt. Referring to fig. 1, the height of the existing stage floor is generally adjusted by a screw rod 04, the surface treatment process of the screw rod 04 is strict, and some manufacturers often rust due to the fact that the surface treatment of the screw rod is not in place in order to save cost. The utility model provides a stand 2 adopts simple structure to realize height-adjusting, and the installation is firm, low in manufacturing cost. The schematic diagram of the stage wood floor is adjusted by the upright posts 2, refer to fig. 14 and 15, fig. 14 is when the wood floor is lowered to the lowest position, fig. 15 is when the wood floor is raised to the highest position, and when the wood floor is raised to the highest position, the cross beam 3 can be additionally arranged to increase the structural stability.

In another embodiment, referring to FIG. 6, the pre-assembly surface of outer post 22 is provided with a first mounting feature 222. Specifically, the four pre-assembled surfaces of the outer column 22 are each provided with a first mounting portion 222. The both ends of crossbeam 3 are equipped with second installation department 31 respectively, and first installation department 222 adopts the mode of pull to realize dismantling the grafting with second installation department 31, and such mounting structure is convenient easy to operate.

In another embodiment, see fig. 6, a stop plate 23 is provided at a predetermined position of the pre-assembly surface of the upright 2, and the stop plate 23 is used for stopping the end of the cross beam 3 from sliding downwards. When the cross beam 3 is inserted into the upright post 2 and slides to the position of the limiting plate 23, the cross beam 3 stops sliding to complete limiting and fixing, and bolt-free assembly can be realized by the structure.

In another embodiment, referring to fig. 7, the second mounting portion 31 is detachably connected to the end of the cross member 3. The end of the beam 3 is hollow and the side is provided with an end hole 32. The second mounting part 31 includes a pre-mounting part 311 and a connecting part 312. The pre-assembly portion 311 is used for being matched and plugged with the first installation portion 222, one end of the connecting portion 312 is connected with the pre-assembly portion 311, a terminal hole 313 is formed in the side face of the other end of the connecting portion 312, the connecting portion 312 is inserted into the hollow portion of the end portion of the cross beam 3, and the fixing is completed by the fact that a locking piece penetrates through the terminal hole 32 and the terminal hole 313 at the same time. The locking piece is preferably locked by a bolt, a nut and a gasket in a combined mode. Because the plug-in structure is easy to wear, the second mounting part 31 and the end part of the cross beam 3 are designed to be detachably connected, so that the second mounting part 31 can be conveniently replaced, and the structure is also convenient to detach, transport and store.

In another embodiment, referring to fig. 8, the first center sill 5 and the second center sill 6 are provided with second mounting portions 31 at both ends thereof. Specifically, referring to fig. 8 and 9, the insertion fasteners 7 are respectively arranged on two sides of the middle portions of the cross beam 3 and the first middle beam 5, and each insertion fastener 7 comprises an insertion portion 71 and a mounting wing 72. The mounting wings 72 are respectively arranged at two ends of the insertion portion 71 and used for being connected with the cross beam 3 or the first middle beam 5, and the insertion portion 71 and the second mounting portion 32 are detachably inserted in a drawing mode. In actual installation, two plug-in clamping pieces 7 can be simultaneously installed on the lateral surfaces of the cross beam 3 or the first middle beam 5 by using a bolt, nut and gasket combination, as shown in fig. 9. The structure design makes the structure disassembly and assembly of the assembly unit more convenient.

In the above embodiment, the cross-sectional shapes of the first mounting portion 222 and the insertion portion 71 are preferably C-like, and particularly, referring to fig. 10, fig. 10 is a schematic cross-sectional view of the outer column 22. The sectional shapes of the pre-installation portion 311 and the insertion portion 71 are similar T shapes matching similar C shapes, specifically referring to fig. 11, and fig. 11 is a sectional schematic view of the second installation portion 31. In addition, the T-shaped front end of the pre-mounting portion 311 is provided with a smaller groove, so that the end surface of the pre-mounting portion 311 is not completely attached to the first mounting portion 222, which helps to reduce resistance during drawing. Referring to fig. 12, fig. 12 is a schematic view showing the assembly of the pre-assembly portion 311 and the first mounting portion 222.

In another embodiment, see fig. 13 to 16, a reinforcing cord 8 and a hooking assembly 9 are also included. Referring to fig. 14, the hooking assembly 9 is provided on a pre-assembled surface of the outer post 22, the hooking assembly 9 comprising an upper hooking member 91 and a lower hooking member 92. Referring to fig. 16, the upper hook 91 is disposed below the limiting plate 23, i.e., below the cross beam 3, and the lower hook 92 and the upper hook 91 are disposed on the same line and spaced apart from each other by a predetermined distance. The two ends of the reinforcing cable 8 are respectively connected with the upper hook 91 of one upright 22 and the lower hook 92 of the other opposite upright 22, and the two reinforcing cables 8 form an X-shape, which greatly increases the structural stability, as shown in fig. 14 and 15. The utility model discloses a consolidate cable 8 and be the stronger cable wire of toughness, cable wire main part toughness is good, and both ends have independent rotatable connection structure, and wherein one end still add the regulation section of establishing can adjust length through the screw thread rotation. Therefore, for the fixed muscle 05 that the whole strip set up in fig. 1, the utility model discloses a reinforce cable 8 is more nimble, installs and removes the convenience again when effectively realizing reinforcing function.

In another embodiment, referring to fig. 13, the stair 11 of the stage wood floor configuration of the present application is also assembled by bolting the stair keel and the tread using the upright post 2 as a support. The structure of effectively saving space and the maximize utilization stand 2 itself of such structure makes the assembly more convenient, and the stair 11 and the stage timber apron of assembly have the joint part, consequently can be more firm reliable than the mode of prior art direct with stair 11 and to the stage edge.

In another embodiment, referring to fig. 17, a support base 10 is provided for the stage wood flooring to be used with an external tent 12. Referring to fig. 18, the supporting seat 10 includes a fixed seat 101 and a hinged seat 102, a fixed hole 103 is formed in a side surface of the fixed seat 101, the fixed seat 101 is used for being inserted into a top portion of the outer column 22, and fixing is completed by using a locking member to simultaneously pass through the outer hole 221 and the fixed hole 103. The hinged seat 102 is disposed on the top of the fixed seat 101, and is used for being connected with a bottom beam of the external tent 12. The outdoor use requirement is considered, the structural upright column 2 of the stage wood floor is utilized, the stage wood floor can be directly matched with the external tent 12 for use only by adding the detachable supporting seat 10, and unnecessary structures designed for outdoor use of the stage wood floor can be reduced.

The utility model provides a stage timber apron with adjustable is formed by the combination of aluminium bar extrusion's high strength aluminum alloy (stand and each crossbeam spare), compound anti-skidding timber apron and the stronger cable wire of toughness. Through designing special stand column structure, with phi 16X 90L type round pin axle (round pin axle welding otic placode) assembly combination make up into the supporting component of adjustable arbitrary height, and utilize unsmooth screens mode to accomplish between supporting component and each crossbeam spare to be connected, constitute the aluminium underframe of timber apron jointly, need not bolt or round pin hub connection, conveniently install and remove, help reducing assembly personnel's work load. And the upright post crossed steel cables are arranged between the upright posts to further enhance the structural stability, and finally, the composite anti-skid wood floor is directly placed on the aluminum bottom frame, so that the assembly of the stage wood floor is completed, and the method is particularly shown in fig. 19.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.

Claims (10)

1. A convenient extensible stage adjusting structure is characterized in that the stage structure is composed of a plurality of assembling units;

the splicing units comprise upright posts, cross beams and wood floors; the end parts of the cross beams are arranged on the preassembly surfaces of the upright columns, and the cross beams and the upright columns are sequentially connected at intervals to form a unit frame;

the top axial center line of the beam is provided with a separation plate, so that when the wood floor is arranged in the unit frame, the bottom surface of the wood floor is located on the top of the beam, and the side surface of the wood floor is tightly attached to the separation plate.

2. A convenient and extensible stage conditioning structure according to claim 1, characterized in that it further comprises a first centre sill and a second centre sill; two ends of the first middle beam are respectively arranged at the middle parts of the side surfaces of the two opposite cross beams, and two ends of the second middle beam are respectively arranged at the middle parts of the side surfaces of the two opposite cross beams and the first middle beam; and partition plates are arranged at the axial center lines of the tops of the first center sill and the second center sill.

3. A convenient and extensible stage conditioning structure according to claim 2, characterized in that said uprights comprise a footing and an outer column; the outer column is in a hollow tubular shape and is used for being sleeved on the column base; the side of outer post is equipped with the outer hole, the side of column base is equipped with the hole, uses the locking piece to pass simultaneously outer hole and hole accomplish fixedly.

4. The stage structure is adjusted to convenient extensible of claim 3, wherein the pre-installation face of outer post is equipped with first installation department, and the both ends of crossbeam are equipped with the second installation department respectively, first installation department and second installation department adopt the mode of pull to realize dismantling the grafting.

5. A convenient and extensible stage adjustment structure according to claim 4, characterized in that the preassembly surface is provided, at a predetermined position, with a limit plate for blocking the end of the beam from sliding downwards.

6. A convenient and extensible stage conditioning structure according to claim 5, characterized in that said second mounting portion is removably connected to the end of said cross-beam; the end part of the beam is hollow, and the side surface of the beam is provided with an end hole; the second mounting part comprises a pre-mounting part and a connecting part; the preassembly part is used for being matched and spliced with the first installation part, one end of the connecting part is connected with the preassembly part, a terminal hole is formed in the side face of the other end of the connecting part, the connecting part is inserted into the hollow part of the terminal part of the cross beam, and the locking piece penetrates through the terminal hole and the terminal hole simultaneously to complete fixation.

7. A convenient and extensible stage adjusting structure according to claim 6, wherein the second mounting portions are provided at both ends of the first and second centre beams; inserting clamping pieces are arranged on two sides of the middle parts of the cross beam and the first middle beam and comprise inserting parts and mounting wings; the installation wings are respectively arranged at two ends of the insertion part and used for being connected with the cross beam or the first middle beam, and the insertion part and the second installation part are detachably connected in a drawing mode.

8. A convenient and extensible stage conditioning structure according to claim 7, wherein the first mounting portion and the insertion portion have a C-like cross-section, and the pre-mounting portion and the insertion portion have a T-like cross-section matching the C-like cross-section.

9. A convenient and extensible stage conditioning structure according to claim 5, characterized in that it further comprises reinforcing cables and hooking assemblies; the hook assembly is arranged on the pre-assembly surface and comprises an upper hook piece and a lower hook piece, the upper hook piece is arranged below the limiting plate, and the lower hook piece and the upper hook piece are arranged on the same straight line and are separated by a preset distance; two ends of the reinforcing cable are respectively connected with the upper hook piece of one upright post and the lower hook piece of the other opposite upright post, and the two reinforcing cables form an X shape.

10. A convenient extensible stage conditioning structure according to claim 3, characterized in that it is also provided with a support seat; the supporting seat comprises a fixed seat and a hinged seat; the side surface of the fixed seat is provided with a fixed hole, the fixed seat is used for being inserted into the top of the outer column, and the locking piece penetrates through the outer hole and the fixed hole simultaneously to complete fixation; the hinged seat is arranged at the top of the fixed seat and is used for being connected with a bottom beam of an external tent.

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