A V-shaped single-folded-edge triangular combined spot-welded steel bar truss floor support plate structure and a construction method thereof

Abstract

The application provides a V-shaped single-flanged triangular combined spot-welded steel bar truss floor support plate structure and a construction method thereof. The structure comprises a mounting plate, two sides of an inner cavity of the mounting plate are fixedly provided with mounting assemblies, a left side of the mounting plate is detachably provided with a first floor support plate, a right side of the mounting plate is detachably provided with a second floor support plate, opposite sides of the first floor support plate and the second floor support plate are fixedly provided with two limiting plates, front and rear sides of a left side of an inner cavity of the second floor support plate are fixedly provided with limiting assemblies, front and rear sides of a right side of the first floor support plate are fixedly provided with inclined plates, and front and rear sides of a top of the right side of the first floor support plate are fixedly provided with inserting rods. The two floor support plates can be quickly spliced and mounted through cooperation of the mounting assemblies and the limiting plates. Quick mounting means that the floor structure part of a building project can be quickly completed, so that construction time is saved, the construction period is shortened, and labor cost and management cost are reduced.

Description

Technical Field

[0001] This invention relates to the field of floor decking technology, and more specifically, to a V-shaped single-folded triangular combined spot-welded steel truss floor decking structure and its construction method. Background Technology

[0002] Floor decking (also known as floor slabs) is an important component of building structures, used to support and transfer floor loads to supporting structures such as columns, walls, or beams. It is the horizontal structure of a building floor that bears the loads of people, furniture, and other loads, and transfers these loads to the structure below to ensure the stability and safety of the overall building.

[0003] Existing floor decking is generally connected by bolts, which requires more construction time and cost for installation and tightening. Bolted connections may loosen during use, especially under long-term vibration or load. Loose bolts can generate noise and may affect the stability and safety of the structure. Chinese patent CN215630961U discloses a steel structure prefabricated house floor decking, which proves the objective existence of this drawback.

[0004] Therefore, we have made improvements to this and proposed a V-shaped single-folded triangular combined spot-welded steel truss floor deck structure and its construction method. Summary of the Invention

[0005] The purpose of this invention is to address the issue that existing floor decking systems are typically connected by bolts, which requires more construction time and costs for installation and tightening. Bolted connections may loosen during use, especially under long-term vibration or load. Loose bolts can generate noise and may affect structural stability and safety.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solution:

[0007] The V-shaped single-folded triangular combined spot-welded steel truss floor deck structure and its construction method are proposed to improve the above-mentioned problems.

[0008] The application is as follows:

[0009] The system includes a mounting plate, on both sides of the inner cavity of which mounting components are fixedly installed. A first floor deck is detachably installed on the left side of the mounting plate, and a second floor deck is detachably installed on the right side of the mounting plate. Two limiting plates are fixedly installed on opposite sides of the first and second floor decks. Limiting components are fixedly installed on the front and rear sides of the left side of the inner cavity of the second floor deck. Inclined plates are fixedly installed on the front and rear sides of the right side of the first floor deck. Insert rods are fixedly installed on the front and rear sides of the top right side of the first floor deck. Slots are provided on the front and rear sides of the top left side of the second floor deck.

[0010] By using the installation components and limiting plates, two floor decks can be quickly spliced ​​and installed. Quick installation means that the floor structure of a building project can be completed faster, which can save construction time, shorten the construction period, and thus reduce labor and management costs.

[0011] As a preferred embodiment of the V-shaped single-folded triangular combined spot-welded steel truss floor deck structure and its construction method provided by the present invention, the installation assembly includes a shell, which is fixedly installed in the inner cavity of the installation plate. A rotating rod is movably installed at the top of the inner cavity of the shell, a rotating disk is fixedly installed at the top of the rotating rod, a gear is fixedly installed at the bottom of the rotating rod, toothed plates are meshed on both sides of the gear, baffles are fixedly installed on opposite sides of the two toothed plates, locking blocks are fixedly installed on opposite sides of the two baffles, and first springs are fixedly installed on both sides of the opposite sides of the two baffles. The side of the first spring closest to the shell is fixedly connected to the shell.

[0012] As a preferred embodiment of the V-shaped single-folded triangular combined spot-welded steel truss floor deck structure and its construction method provided by the present invention, sliding blocks are fixedly installed on both sides of the baffle, and sliding rods are slidably installed in the inner cavity of the sliding blocks. The front and rear sides of the sliding rods are fixedly installed in the inner cavity of the outer shell.

[0013] As a preferred embodiment of the V-shaped single-folded triangular combined spot-welded steel truss floor deck structure and its construction method provided by the present invention, a limiting block is fixedly installed on the top of the toothed plate, and a limiting shell is provided on the surface of the limiting block. The side of the limiting shell close to the outer shell is fixedly connected to the outer shell.

[0014] As a preferred embodiment of the V-shaped single-folded triangular combined spot-welded steel truss floor deck structure and its construction method provided by the present invention, the limiting component includes two second springs, which are respectively fixedly installed on the top and bottom of the left side of the inner cavity of the second floor deck. A fixing plate is fixedly installed on the opposite side of each of the two second springs, and an inclined block is fixedly installed on the opposite side of each of the two fixing plates. A pull plate is fixedly installed on one side of the fixing plate, and one side of the pull plate extends through to the outside of the second floor deck.

[0015] As a preferred embodiment of the V-shaped single-folded triangular combined spot-welded steel truss floor deck structure and its construction method provided by the present invention, a positioning block is fixedly installed on the left side of the fixed plate, and a positioning rod is slidably installed in the inner cavity of the positioning block. The side of the positioning rod near the second floor deck is fixedly connected to the second floor deck.

[0016] A construction method for a V-shaped single-folded triangular composite spot-welded steel truss floor deck structure, including the aforementioned V-shaped single-folded triangular composite spot-welded steel truss floor deck structure, is as follows:

[0017] When in use, the two floor decks can be quickly spliced ​​and installed by the cooperation of the installation components and the limiting plate. The quick installation means that the floor structure of the building project can be completed more quickly, which can save construction time, shorten the construction period, and thus reduce labor and management costs.

[0018] The limiting plate enters the inner cavity of the mounting plate through the top of the mounting plate. By rotating the rotating disk, the rotating disk drives the gear to rotate through the rotating rod. When the gear rotates, it drives the two toothed plates to move in opposite directions. The baffle is fixedly installed on the toothed plates and moves with the toothed plates. When the baffle moves, it drives the locking block to move and can also compress the first spring, moving the locking block into the groove on the limiting plate, thereby fixing the limiting plate in place. When it is necessary to remove the limiting plate, the rotating disk is rotated in the opposite direction to move the locking block out of the inner cavity of the limiting plate, thereby removing the limiting plate. The first floor deck and the second floor deck are installed on the two limiting plates respectively and will be installed and removed along with the limiting plates, thus allowing for quick splicing and installation of the two floor decks.

[0019] When the first and second floor decks need to be installed, the movement of the first floor deck will cause the inclined plate to move. The inclined plate enters the interior of the second floor deck through the cooperation of the second spring, the fixing plate, and the inclined block. Due to the elastic force of the second spring, the inclined block, which is installed on one side of the second spring through the fixing plate, will move due to the elastic force of the second spring, moving the inclined block into one side of the inclined plate, thereby fixing the inclined plate inside the second floor deck. When the inclined plate needs to be disassembled, pull the pull plate to let the inclined block detach from one side of the inclined plate, thereby removing the inclined plate. The first floor deck is fixedly installed on the inclined plate and will be installed and disassembled along with the inclined plate. When splicing the first and second floor decks, it is more stable.

[0020] In use, the limiting plate enters the inner cavity of the mounting plate through the top of the mounting plate. By rotating the rotating disk, the rotating disk drives the gear to rotate via the rotating rod. The gear drives the two toothed plates to move in opposite directions. The baffle, fixedly mounted on the toothed plates, moves along with them. The baffle's movement moves the locking block and also compresses the first spring, moving the locking block into the groove on the limiting plate, thus fixing the limiting plate in place. To remove the limiting plate, rotate the rotating disk in the opposite direction to move the locking block out of the limiting plate's inner cavity, allowing for removal. The first and second floor decks are installed on the two limiting plates respectively and are installed and removed along with the limiting plates, thus allowing for the control of the two floor decks. The floor decking is quickly assembled and installed. When installing the first and second floor deckings, the movement of the first floor decking will cause the inclined plate to move as well. The inclined plate enters the interior of the second floor decking through the cooperation of the second spring, the fixing plate, and the inclined block. Due to the elasticity of the second spring, the inclined block, which is installed on one side of the second spring via the fixing plate, will move due to the elasticity of the second spring, moving the inclined block into one side of the inclined plate, thereby fixing the inclined plate inside the second floor decking. When the inclined plate needs to be disassembled, pull the pull plate to disengage the inclined block from one side of the inclined plate, thereby removing the inclined plate. The first floor decking is fixedly installed on the inclined plate and will be installed and disassembled along with the inclined plate, making the assembly and installation of the first and second floor deckings more stable.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows: by cooperating with the installation components and the limiting plate, two floor decks can be quickly spliced ​​and installed. Quick installation means that the floor structure of the building project can be completed more quickly, which can save construction time, shorten the construction period, and thus reduce labor and management costs. Attached Figure Description

[0022] Figure 1 A structural schematic diagram of the V-shaped single-folded triangular combined spot-welded steel truss floor deck structure and its construction method provided in this application;

[0023] Figure 2 A structural breakdown diagram of the V-shaped single-folded triangular combined spot-welded steel truss floor deck structure and its construction method provided in this application;

[0024] Figure 3 A schematic front sectional view of the installation plate of the V-shaped single-folded triangular combined spot-welded steel truss floor deck structure and its construction method provided in this application;

[0025] Figure 4 A front sectional view of the installation components of the V-shaped single-folded triangular combined spot-welded steel truss floor deck structure and its construction method provided in this application;

[0026] Figure 5 This is a front sectional view of the limiting component for the V-shaped single-folded triangular combined spot-welded steel truss floor deck structure and its construction method provided in this application.

[0027] The image shows:

[0028] 1. Mounting plate; 2. Mounting assembly; 201. Housing; 202. Rotating rod; 203. Rotating disk; 204. Gear; 205. Tooth plate; 206. Baffle; 207. Locking block; 208. First spring; 209. Sliding block; 210. Sliding rod; 211. Limiting block; 212. Limiting shell; 3. First floor deck; 4. Second floor deck; 5. Limiting plate; 6. Limiting assembly; 601. Second spring; 602. Fixing plate; 603. Inclined block; 604. Pull plate; 605. Positioning block; 606. Positioning rod; 7. Inclined plate; 8. Insert rod; 9. Slot. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0030] Therefore, the following detailed description of embodiments of the present invention is not intended to limit the scope of the claimed invention, but merely illustrates some embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0031] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0032] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0033] In the description of this invention, it should be noted that the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this invention is in use, or the orientation or positional relationship commonly understood by those skilled in the art. These terms are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0034] As described in the background section, existing floor decking is generally connected by bolts during use. The installation and tightening of bolts require more construction time and cost. Bolted connections may loosen during use, especially when subjected to long-term vibration or load. Loose bolts can generate noise and may affect the stability and safety of the structure.

[0035] To address this technical problem, the present invention provides a V-shaped single-folded triangular combined spot-welded steel truss floor deck structure and its construction method.

[0036] For details, please refer to Figure 1-5 The V-shaped single-folded triangular combination spot-welded steel truss floor deck structure and its construction method specifically include: an installation plate 1, installation components 2 are fixedly installed on both sides of the inner cavity of the installation plate 1, a first floor deck 3 is detachably installed on the left side of the installation plate 1, a second floor deck 4 is detachably installed on the right side of the installation plate 1, two limiting plates 5 are fixedly installed on the opposite side of the first floor deck 3 and the second floor deck 4, limiting components 6 are fixedly installed on the front and rear sides of the left side of the inner cavity of the second floor deck 4, inclined plates 7 are fixedly installed on the front and rear sides of the right side of the first floor deck 3, insert rods 8 are fixedly installed on the front and rear sides of the top right side of the first floor deck 3, and slots 9 are opened on the front and rear sides of the top left side of the second floor deck 4.

[0037] By using the installation component 2 and the limiting plate 5 together, two floor decks can be quickly spliced ​​and installed. Quick installation means that the floor structure of a building project can be completed more quickly, which can save construction time, shorten the construction period, and thus reduce labor and management costs.

[0038] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0039] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the embodiments of the present invention can be combined with each other.

[0040] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0041] Example 1

[0042] Please refer to Figure 1-5 A V-shaped single-folded triangular composite spot-welded steel truss floor deck structure and its construction method are disclosed. The structure includes an installation plate 1, with installation components 2 fixedly installed on both sides of the inner cavity of the installation plate 1. A first floor deck 3 is detachably installed on the left side of the installation plate 1, and a second floor deck 4 is detachably installed on the right side of the installation plate 1. Two limiting plates 5 are fixedly installed on the opposite sides of the first floor deck 3 and the second floor deck 4. Limiting components 6 are fixedly installed on the front and rear sides of the left side of the inner cavity of the second floor deck 4. Inclined plates 7 are fixedly installed on the front and rear sides of the right side of the first floor deck 3. Inserted rods 8 are fixedly installed on the front and rear sides of the top right side of the first floor deck 3. Slots 9 are provided on the front and rear sides of the top left side of the second floor deck 4. Mounting assembly 2 includes a housing 201, which is fixedly installed in the inner cavity of mounting plate 1. A rotating rod 202 is movably mounted on the top of the inner cavity of housing 201. A rotating disk 203 is fixedly mounted on the top of the rotating rod 202. A gear 204 is fixedly mounted on the bottom of the rotating rod 202. Gear plates 205 mesh on both sides of the gear 204. A baffle 206 is fixedly mounted on the opposite side of the two gear plates 205. A locking block 207 is fixedly mounted on the opposite side of the two baffles 206. A first spring 208 is fixedly mounted on both sides of the opposite side of the two baffles 206. The side of the first spring 208 closest to housing 201 is fixedly connected to housing 201. Sliding blocks 209 are fixedly mounted on both sides of baffle 206. A sliding rod 210 is slidably mounted in the inner cavity of sliding block 209. The front and rear sides of sliding rod 210 are fixedly installed in the inner cavity of housing 201. A limiting block 211 is fixedly installed on the top of the toothed plate 205. A limiting shell 212 is provided on the surface of the limiting block 211. The side of the limiting shell 212 near the outer shell 201 is fixedly connected to the outer shell 201.

[0043] During implementation, the limiting plate 5 enters the inner cavity of the mounting plate 1 through the top of the mounting plate 1. By rotating the rotating disk 203, the rotating disk 203 drives the gear 204 to rotate through the rotating rod 202. When the gear 204 rotates, it drives the two toothed plates 205 to move in opposite directions. The baffle 206 is fixedly installed on the toothed plate 205 and moves with the toothed plate 205. When the baffle 206 moves, it drives the locking block 207 to move and can also compress the first spring 208, moving the locking block 207 into the groove on the limiting plate 5, thereby fixing the limiting plate 5 in place. When it is necessary to disassemble the limiting plate 5, the rotating disk 203 is rotated in the opposite direction to move the locking block 207 out of the inner cavity of the limiting plate 5, thereby disassembling the limiting plate 5. The first floor deck 3 and the second floor deck 4 are respectively installed on the two limiting plates 5 and will be installed and disassembled along with the limiting plates 5, thus enabling the two floor decks to be quickly spliced ​​and installed.

[0044] Example 2

[0045] The limiting assembly 6 includes two second springs 601, which are respectively fixedly installed on the top and bottom of the left side of the inner cavity of the second floor deck 4. A fixing plate 602 is fixedly installed on the opposite side of each of the two second springs 601, and a wedge block 603 is fixedly installed on the opposite side of each of the two fixing plates 602. A pull plate 604 is fixedly installed on one side of the fixing plate 602, and one side of the pull plate 604 extends to the outer side of the second floor deck 4. A positioning block 605 is fixedly installed on the left side of the fixing plate 602, and a positioning rod 606 is slidably installed in the inner cavity of the positioning block 605. The side of the positioning rod 606 closest to the second floor deck 4 is fixedly connected to the second floor deck 4.

[0046] During implementation, when the first floor deck 3 and the second floor deck 4 need to be installed, the movement of the first floor deck 3 will cause the inclined plate 7 to move. The inclined plate 7 enters the interior of the second floor deck 4 through the cooperation of the second spring 601, the fixing plate 602 and the inclined block 603. Due to the elastic force of the second spring 601, the inclined block 603, which is installed on one side of the second spring 601 through the fixing plate 602, will move due to the elastic force of the second spring 601, moving the inclined block 603 into one side of the inclined plate 7, thereby fixing the inclined plate 7 inside the second floor deck 4. When it is necessary to disassemble the inclined plate 7, pull the pull plate 604 to let the inclined block 603 detach from one side of the inclined plate 7, thereby removing the inclined plate 7. The first floor deck 3 is fixedly installed on the inclined plate 7 and will be installed and disassembled along with the inclined plate 7. When the first floor deck 3 and the second floor deck 4 are spliced ​​and installed, it is more stable.

[0047] In use, the limiting plate 5 enters the inner cavity of the mounting plate 1 through the top of the mounting plate 1. By rotating the rotating disk 203, the rotating disk 203 drives the gear 204 to rotate via the rotating rod 202. When the gear 204 rotates, it drives the two toothed plates 205 to move in opposite directions. The baffle 206 is fixedly installed on the toothed plates 205 and moves with the toothed plates 205. When the baffle 206 moves, it drives the locking block 207 to move and can also compress the first spring 208, moving the locking block 207 into the groove on the limiting plate 5, thereby fixing the limiting plate 5 in place. When it is necessary to disassemble the limiting plate 5, the rotating disk 203 is rotated in the opposite direction to move the locking block 207 out of the inner cavity of the limiting plate 5, thereby disassembling the limiting plate 5. The first floor deck 3 and the second floor deck 4 are respectively installed on the two limiting plates 5 and will be installed and disassembled along with the limiting plates 5, thus allowing... The two floor deckings are quickly spliced ​​and installed. When the first floor decking 3 and the second floor decking 4 need to be installed, the movement of the first floor decking 3 will drive the inclined plate 7 to move. The inclined plate 7 enters the interior of the second floor decking 4 through the cooperation of the second spring 601, the fixing plate 602 and the inclined block 603. Due to the elastic force of the second spring 601, the inclined block 603 is installed on one side of the second spring 601 through the fixing plate 602 and will move due to the elastic force of the second spring 601, moving the inclined block 603 into one side of the inclined plate 7, thereby fixing the inclined plate 7 inside the second floor decking 4. When it is necessary to disassemble the inclined plate 7, pull the pull plate 604 to let the inclined block 603 detach from one side of the inclined plate 7, thereby removing the inclined plate 7. The first floor decking 3 is fixedly installed on the inclined plate 7 and will be installed and disassembled along with the inclined plate 7. The splicing and installation of the first floor decking 3 and the second floor decking 4 is more stable.

[0048] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described herein. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the specific embodiments described above. Therefore, any modifications or equivalent substitutions to the present invention, as well as all technical solutions and improvements that do not depart from the spirit and scope of the invention, are covered within the scope of the claims of the present invention.

Claims

1. A V-shaped single-folded triangular composite spot-welded steel truss floor deck structure, comprising an installation plate (1), characterized in that, The mounting plate (1) has mounting components (2) fixedly installed on both sides of its inner cavity. The first floor deck (3) is detachably installed on the left side of the mounting plate (1), and the second floor deck (4) is detachably installed on the right side of the mounting plate (1). Two limiting plates (5) are fixedly installed on the opposite side of the first floor deck (3) and the second floor deck (4). Limiting components (6) are fixedly installed on the front and rear sides of the left side of the inner cavity of the second floor deck (4). Inclined plates (7) are fixedly installed on the front and rear sides of the right side of the first floor deck (3). Insert rods (8) are fixedly installed on the front and rear sides of the top right side of the first floor deck (3). Slots (9) are opened on the front and rear sides of the top left side of the second floor deck (4). The mounting assembly (2) includes a housing (201), which is fixedly installed in the inner cavity of the mounting plate (1). A rotating rod (202) is movably installed on the top of the inner cavity of the housing (201). A rotating disk (203) is fixedly installed on the top of the rotating rod (202). A gear (204) is fixedly installed on the bottom of the rotating rod (202). Gear plates (205) mesh on both sides of the gear (204). A baffle (206) is fixedly installed on the opposite side of the two gear plates (205). A locking block (207) is fixedly installed on the opposite side of the two baffles (206). A first spring (208) is fixedly installed on both sides of the opposite side of the two baffles (206). The side of the first spring (208) closest to the housing (201) is fixedly connected to the housing (201).

2. The V-shaped single-folded triangular combined spot-welded steel truss floor deck structure according to claim 1, characterized in that, Sliding blocks (209) are fixedly installed on both sides of the baffle (206), and a sliding rod (210) is slidably installed in the inner cavity of the sliding block (209). The front and rear sides of the sliding rod (210) are fixedly installed in the inner cavity of the outer shell (201).

3. The V-shaped single-folded triangular combined spot-welded steel truss floor deck structure according to claim 1, characterized in that, A limiting block (211) is fixedly installed on the top of the toothed plate (205), and a limiting shell (212) is provided on the surface of the limiting block (211). The limiting shell (212) is fixedly connected to the outer shell (201) on the side near the outer shell (201).

4. The V-shaped single-folded triangular combined spot-welded steel truss floor deck structure according to claim 1, characterized in that, The limiting component (6) includes two second springs (601), which are respectively fixedly installed on the top and bottom of the left side of the inner cavity of the second floor deck (4). A fixing plate (602) is fixedly installed on the opposite side of each of the two second springs (601), and a wedge (603) is fixedly installed on the opposite side of each of the two fixing plates (602). A pull plate (604) is fixedly installed on one side of the fixing plate (602), and one side of the pull plate (604) extends through to the outside of the second floor deck (4).

5. The V-shaped single-folded triangular combined spot-welded steel truss floor deck structure according to claim 4, characterized in that, A positioning block (605) is fixedly installed on the left side of the fixing plate (602), and a positioning rod (606) is slidably installed in the inner cavity of the positioning block (605). The positioning rod (606) is fixedly connected to the second floor deck (4) on the side near the second floor deck (4).

6. A construction method for a V-shaped single-folded triangular combined spot-welded steel truss floor deck structure, characterized in that: The V-shaped single-folded triangular combined spot-welded steel truss floor deck structure as described in claim 5 is operated as follows: When in use, the two floor decks can be quickly spliced ​​and installed by the cooperation of the installation component (2) and the limiting plate (5); The limiting plate (5) enters the inner cavity of the mounting plate (1) through the top of the mounting plate (1). By rotating the rotating disk (203), the rotating disk (203) drives the gear (204) to rotate through the rotating rod (202). When the gear (204) rotates, it drives the two toothed plates (205) to move in opposite directions. The baffle (206) is fixedly installed on the toothed plate (205) and moves with the toothed plate (205). When the baffle (206) moves, it drives the locking block (207) to move. The first spring (208) can be compressed to move the locking block (207) into the groove on the limiting plate (5), thereby fixing the limiting plate (5). When the limiting plate (5) needs to be disassembled, the rotating disk (203) is rotated in the opposite direction to move the locking block (207) out of the inner cavity of the limiting plate (5), thereby disassembling the limiting plate (5). The first floor deck (3) and the second floor deck (4) are installed on the two limiting plates (5) respectively, and will be installed and disassembled along with the limiting plates (5), so that the two floor decks can be quickly spliced ​​and installed. When the first floor deck (3) and the second floor deck (4) need to be installed, the movement of the first floor deck (3) will cause the inclined plate (7) to move. The inclined plate (7) enters the interior of the second floor deck (4) through the cooperation of the second spring (601), the fixing plate (602) and the inclined block (603). Due to the elastic force of the second spring (601), the inclined block (603) is installed on one side of the second spring (601) through the fixing plate (602) and will move due to the elastic force of the second spring (601). Move the inclined block (603) into one side of the inclined plate (7) to fix the inclined plate (7) inside the second floor deck (4). When the inclined plate (7) needs to be disassembled, pull the pull plate (604) to let the inclined block (603) detach from one side of the inclined plate (7) so that the inclined plate (7) can be disassembled and removed. The first floor deck (3) is fixedly installed on the inclined plate (7) and will be installed and disassembled along with the inclined plate (7). When the first floor deck (3) and the second floor deck (4) are spliced ​​and installed, it is more stable.

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