An installation structure and prefabricated floor slab

Abstract

This invention relates to the field of building technology and discloses an installation structure and prefabricated floor slab. The installation structure includes: a corner connection mechanism; a side connection mechanism including a side connection plate, a vertical sliding groove, and two sets of plug-in components; a telescopic slow-descent mechanism including a telescopic gas storage component and a gas diversion channel; a rebar limiting mechanism including two sets of energy-storing instantaneous release clamping components and a damping limiting component; and a locking mechanism including a return lock component and a locking component. This invention uses a conveniently installable corner connection mechanism and a side connection mechanism to construct a frame structure that provides support and limiting fixation for prefabricated floor slab units. The prefabricated floor slab units only need to be aligned with the designated area of ​​the frame to achieve automatic limiting and locking, allowing the rebar components of the prefabricated floor slab unit to form an integral whole with the frame structure. This results in a monolithic cast-in-place floor slab structure, effectively improving the deformation resistance and bearing capacity of the overall prefabricated floor slab.

Description

Technical Field

[0001] This invention relates to the field of building technology, and more specifically, to an installation structure and prefabricated floor slab. Background Technology

[0002] With rapid economic development, prefabricated buildings have become a major form of construction in the industry. Their short construction cycle and low cost have made them increasingly popular. Prefabricated buildings typically involve manufacturing components in a factory according to their actual dimensions before construction, creating prefabricated parts. These prefabricated parts are then transported to the construction site for installation, with floor slabs being a common application.

[0003] Currently, most installation structures for these precast floor slabs use a combination of bottom supports and side restraints for fixation. However, this method not only creates an uneven area between the bottom support and the surface of the precast component, but also places all the pressure on the bottom support structure. If the support structure has a large area, although it has a strong bearing capacity, it will increase the area covered by the precast component and increase the cost. Furthermore, the individual deformation resistance of a precast floor slab is not as strong as that of a cast-in-place floor slab. Therefore, how to form a structure similar to a cast-in-place floor slab with the precast floor slab is the main direction for improving the performance of precast assembled floor slabs. Summary of the Invention

[0004] The purpose of this invention is to provide an installation structure and prefabricated floor slab in order to solve the above-mentioned problems.

[0005] This invention provides an installation structure, comprising: Several corner connection mechanisms, the corner connection mechanisms including square connecting posts and limiting components provided on the four side walls of the square connecting posts; Several side-connecting mechanisms, each side-connecting mechanism including a side connecting plate, several vertical sliding grooves symmetrically arranged on both sides of the side connecting plate, and two sets of plug-in components symmetrically connected to both ends of the side connecting plate, wherein the plug-in components are detachably connected to the corresponding limiting components. Several telescopic slow-descent mechanisms, each telescopic slow-descent mechanism including a telescopic gas storage component connected to the inner wall of the corresponding vertical sliding groove and a gas diversion channel provided inside the corresponding side connecting plate, wherein the internal space of the telescopic gas storage component is connected to the gas diversion channel. Several rebar limiting mechanisms, the rebar limiting mechanisms including two sets of energy storage instant release clamping components symmetrically arranged on the inner wall of the vertical sliding groove and a damping limiting component arranged between the energy storage instant release clamping components and the gas diversion cavity. When the internal pressure of the telescopic gas storage component reaches a set value, the damping limiting component switches from the limiting state to the releasing state, and the two sets of symmetrically arranged energy storage instant release clamping components approach each other until they contact each other. Several locking mechanisms are provided, each including a return lock assembly and a locking assembly that cooperates with the return lock assembly. The return lock assembly and the locking assembly are respectively disposed on the corresponding energy storage instantaneous discharge clamping assembly. When two sets of symmetrically arranged energy storage instantaneous discharge clamping assemblies come into contact, the return lock assembly and the locking assembly are in a fixed connection state.

[0006] As a further optimization of the present invention, the limiting component includes a plurality of limiting slots 1 disposed on the side wall of the square connecting column and a countersunk hole disposed at the end of the square connecting column. The plurality of limiting slots 1 are equidistantly distributed, and the countersunk hole passes through the corresponding limiting slot 1 in sequence.

[0007] As a further optimization of the present invention, the plug-in assembly includes a plurality of limiting plugs one fixedly connected to the end of the side connecting plate and screw holes provided on the limiting plugs one, wherein the plurality of limiting plugs one are equidistantly arranged and respectively cooperate with the corresponding limiting slots one.

[0008] As a further optimization of the present invention, the side connecting plate is also provided with several sets of glue injection mechanisms. The glue injection mechanism includes a main channel on the side connecting plate and several diversion channels inside the side connecting plate. The main channel is connected to the corresponding vertical sliding groove through the several diversion channels. Two torsion spring shafts are movably connected to the side wall of the vertical sliding groove near the opening. A one-way sealing plate is fixedly connected to the torsion spring shaft. The two torsion spring shafts are symmetrically distributed. The one-way sealing plate is flush with the outer surface of the side connecting plate.

[0009] As a further optimization of the present invention, the telescopic gas storage assembly includes a telescopic corrugated pipe fixedly connected to the bottom of the vertical sliding groove and a trapezoidal slider fixedly connected to the upper end of the telescopic corrugated pipe. The trapezoidal slider is matched with the vertical sliding groove. A sealed gas storage chamber is formed between the telescopic corrugated pipe, the vertical sliding groove and the trapezoidal slider. The sealed gas storage chamber is connected to the gas diversion channel.

[0010] As a further optimization of the present invention, the gas diversion channel includes a ventilation channel one disposed inside the side connecting plate and several ventilation channels two, all of which are connected to the ventilation channel one, and the ventilation channel one is connected to the sealed gas storage chamber.

[0011] As a further optimization of the present invention, the energy storage instantaneous release clamping assembly includes a sliding chamber one disposed inside the side connecting plate, a sliding chamber two disposed on the inner wall of the vertical sliding groove and communicating with the sliding chamber one, a T-shaped slider disposed in the sliding chamber one, a spring one disposed between the T-shaped slider and the inner wall of the sliding chamber one, a slot one disposed on the T-shaped slider, and a semi-circular clamping end fixedly connected to one end of the T-shaped slider extending into the sliding chamber two.

[0012] As a further optimization of the present invention, the damping limiting component includes a second slot inside the side connecting plate and a limiting damping block inside the second slot. When the first spring is in its shortest state, a portion of the limiting damping block is located inside the first slot. The volume of the limiting damping block is the same as the volume of the first slot. When the internal pressure of the sealed gas storage chamber reaches a set value, the limiting damping block is completely located inside the first slot.

[0013] As a further optimization of the present invention, the return locking assembly includes a second limiting block, a limiting chamber disposed on the second limiting block, a wedge-shaped block disposed in the limiting chamber, and a second spring connected between the wedge-shaped block and the inner wall of the limiting chamber. The second limiting block is fixedly connected to the corresponding semi-ring clamping end. The locking assembly includes a second limiting slot and a third limiting slot disposed on the inner wall of the second limiting slot. The second limiting slot and the third limiting slot are disposed on the corresponding semi-circular clamping ends. The second limiting slot is configured to cooperate with the second limiting insert, and the third limiting slot is configured to cooperate with the wedge-shaped insert.

[0014] A prefabricated floor slab includes an installation structure as described above and a prefabricated floor slab unit. The prefabricated floor slab unit includes a prefabricated component and a plurality of steel bars that are vertically and intersectingly distributed inside the prefabricated component. The two ends of the steel bars extend to the outside of the prefabricated component by a predetermined length.

[0015] The beneficial effects of this invention are as follows: This invention uses a corner connection mechanism and a side connection mechanism that can be easily installed to construct a frame structure that provides support and limit fixation for prefabricated floor slab units. The prefabricated floor slab units only need to be placed in the set area of ​​the frame to achieve automatic limit locking. This allows the steel reinforcement of the prefabricated floor slab units to form an integral whole with the frame structure, thereby enabling the prefabricated floor slab units to form a floor slab structure that is similar to an integral whole. This can effectively improve the deformation resistance and bearing capacity of the overall prefabricated floor slab. Attached Figure Description

[0016] Figure 1 This is a view showing the cooperation between the corner connection mechanism and the side connection mechanism of the present invention; Figure 2 This is a view showing the cooperation between the prefabricated floor slab unit and the side connection mechanism of the present invention; Figure 3 This is a schematic diagram of the side connection mechanism of the present invention; Figure 4 This is a partial structural schematic diagram of the side connection mechanism of the present invention; Figure 5 This is a partial cross-sectional view of the side connection mechanism of the present invention; Figure 6 This is the invention Figure 5 An enlarged view of point A in the image; Figure 7 This is the invention Figure 5 An enlarged view of point B in the image; Figure 8 This is the invention Figure 5 A magnified view of point C in the image; Figure 9 This is the invention Figure 5 A magnified view of point D in the image; Figure 10 This is the invention Figure 5 A magnified view of point E in the image; Figure 11 This is the invention Figure 5 A magnified view at point F in the image.

[0017] In the diagram: 1. Corner connection mechanism; 101. Square connecting column; 102. Limiting slot one; 103. Countersunk hole; 2. Side connection mechanism; 201. Side connecting plate; 202. Limiting insert one; 203. Screw hole; 204. Vertical sliding groove; 205. Torsion spring shaft; 206. One-way sealing plate; 3. Precast floor slab unit; 301. Precast component; 302. Reinforcing steel component; 4. Telescopic slow descent mechanism; 401. Telescopic corrugated pipe; 402. Trapezoidal slider; 403. Ventilation channel one; 404. Ventilation channel II; 5. Rebar limiting mechanism; 501. Sliding chamber one; 502. Sliding chamber two; 503. T-shaped slider; 504. Slot one; 505. Limiting damping block; 506. Semi-ring clamping end; 507. Spring one; 508. Slot two; 6. Glue injection mechanism; 601. Main channel; 602. Diversion channel; 7. Locking mechanism; 701. Limiting slot two; 702. Limiting slot three; 703. Limiting insert two; 704. Limiting chamber; 705. Wedge-shaped insert; 706. Spring two. Detailed Implementation

[0018] The subject matter described herein will now be discussed with reference to exemplary embodiments. It should be understood that these embodiments are discussed merely to enable those skilled in the art to better understand and implement the subject matter described herein. Furthermore, features described in some examples may be combined in other examples.

[0019] like Figures 1 to 11As shown, a prefabricated floor slab includes an installation structure and a prefabricated floor slab unit 3. The prefabricated floor slab unit 3 includes a prefabricated component 301 and a plurality of steel bars 302 vertically and intersectingly distributed inside the prefabricated component 301. The two ends of the steel bars 302 extend to the outside of the prefabricated component 301 by a predetermined length.

[0020] The installation structure includes: Several corner connection mechanisms 1, each corner connection mechanism 1 including a square connecting post 101 and limiting components provided on the four side walls of the square connecting post 101; Several side connection mechanisms 2, each side connection mechanism 2 includes a side connection plate 201, several vertical sliding grooves 204 symmetrically arranged on both sides of the side connection plate 201, and two sets of plug-in components symmetrically connected to both ends of the side connection plate 201. The plug-in components are detachably connected to the corresponding limiting components. A plurality of telescopic slow-descent mechanisms 4, wherein the plurality of telescopic slow-descent mechanisms 4 include telescopic gas storage components connected to the inner wall of the corresponding vertical sliding groove 204 and gas diversion channels provided inside the corresponding side connecting plate 201, the internal space of the telescopic gas storage components being connected to the gas diversion channels. Several rebar limiting mechanisms 5, each rebar limiting mechanism 5 includes two sets of energy storage instant release clamping components symmetrically arranged on the inner wall of the vertical sliding groove 204 and a damping limiting component arranged between the energy storage instant release clamping components and the gas diversion channel. When the internal pressure of the telescopic gas storage component reaches a set value, the damping limiting component switches from the limiting state to the releasing state, and the two sets of symmetrically arranged energy storage instant release clamping components approach each other until they contact each other. Several locking mechanisms 7 are provided, each including a return lock assembly and a locking assembly that cooperates with the return lock assembly. The return lock assembly and the locking assembly are respectively disposed on the corresponding energy storage instantaneous discharge clamping assembly. When two sets of symmetrically arranged energy storage instantaneous discharge clamping assemblies come into contact, the return lock assembly and the locking assembly are in a fixed connection state.

[0021] It should be noted that when assembling the prefabricated floor slab on site, first align the plug-in components at both ends of the corresponding side connecting plate 201 with the limiting components on the corresponding square connecting column 101 and insert them. Then, use connecting screws or bolts to limit and fix the limiting components and plug-in components. For each prefabricated floor slab unit 3, there are four corner connecting mechanisms 1 and side connecting mechanisms 2 around its perimeter to form a limiting area that cooperates with the prefabricated floor slab unit 3. After splicing a set number of corner connecting mechanisms 1 and side connecting mechanisms 2 according to the number of prefabricated floor slab units 3, the prefabricated floor slab units 3 can then be placed on the... The square area enclosed by the four corner connecting mechanisms 1 and the side connecting mechanisms 2 is used as a guide for placing the precast floor slab unit 3. When placing the steel reinforcement 302, the vertical sliding groove 204 on the corresponding side connecting plate 201 must be positioned. Once the steel reinforcement 302 enters the vertical sliding groove 204, it begins to contact the telescopic air storage component and, under its own weight, begins to compress the telescopic air storage component. During the compression process, the internal pressure of the telescopic air storage component gradually increases, which provides a buffer for the fall of the precast component 301, allowing it to slide stably into the square area enclosed by the four corner connecting mechanisms 1 and the side connecting mechanisms 2. In the shaped region, on the other hand, as the internal pressure of the telescopic gas storage component increases, the gas pressure in the gas diversion channel connected to it also gradually increases until it reaches the set pressure. At this point, multiple damping limiting components connected to it switch from the limiting state to the release state. The energy storage instantaneous release clamping components that were limited by the damping limiting components are no longer limited. After their energy storage is released, they approach and contact each other in a certain kinetic energy state. Upon contact, a stable limiting connection is formed through the return locking component and the locking component, thereby enabling the two sets of symmetrically arranged energy storage instantaneous release clamping components to clamp the steel bar 3 at the corresponding positions. 02 is tightly clamped and forms a certain limiting friction with the steel bar 302, so that the steel bar 302 can form a stable connection with the side connecting plate 201. This allows the steel bar 302 to provide a set value of tensile force from both ends when under pressure, thereby improving its compressive strength. As a result, after multiple precast floor slab units 3 are assembled, they form a compressive strength similar to that of a cast-in-place floor slab. The entire assembly process is relatively convenient. It is only necessary to first complete the construction of the external frame, and then place the corresponding precast floor slab unit 3 in the corresponding square area on the frame to achieve automated limiting and fixing.

[0022] In an optional embodiment of the invention, such as Figures 1 to 3 As shown, the limiting component includes a plurality of limiting slots 102 disposed on the side wall of the square connecting post 101 and a countersunk hole 103 disposed at the end of the square connecting post 101. The plurality of limiting slots 102 are equidistantly distributed, and the countersunk hole 103 passes through the corresponding limiting slot 102 in sequence.

[0023] The plug-in assembly includes a plurality of limiting plugs 202 fixedly connected to the end of the side connecting plate 201 and screw holes 203 provided on the limiting plugs 202. The plurality of limiting plugs 202 are equidistantly arranged and respectively cooperate with the corresponding limiting slots 102.

[0024] It should be noted that, as mentioned above, when assembling and splicing the corner connecting mechanism 1 and the side connecting mechanism 2, by aligning the corresponding limiting blocks 202 on both ends of the side connecting plate 201 with the limiting slots 102 on the square connecting column 101 and inserting them, the screw holes 203 and countersunk holes 103 on the limiting blocks 202 are coaxial. Then, by inserting connecting screws or bolts into the corresponding countersunk holes 103 and passing through the corresponding screw holes 203 in sequence, a stable connection relationship can be formed between the limiting blocks 202 and the square connecting column 101. In the construction of the entire frame, each square connecting column 101 connects four, three, or two sets of side connecting plates 201 respectively. The square connecting column 101 connecting two sets of side connecting plates 201 is located at the four corners of the frame. The square connecting column 101 in the side area needs to connect three sets of side connecting plates 201, while each square connecting column 101 in the inner area of ​​the frame needs to connect four sets of side connecting plates 201.

[0025] In an optional embodiment of the invention, such as Figures 3 to 5 As shown, the side connecting plate 201 is also provided with several sets of glue injection mechanisms 6. The glue injection mechanism 6 includes a main channel 601 on the side connecting plate 201 and several diversion channels 602 inside the side connecting plate 201. The main channel 601 is connected to the corresponding vertical sliding groove 204 through the several diversion channels 602. Two torsion spring shafts 205 are movably connected to the side wall of the vertical sliding groove 204 near the opening. One-way sealing plates 206 are fixedly connected to the torsion spring shafts 205. The two torsion spring shafts 205 are symmetrically distributed. The one-way sealing plates 206 are flush with the outer surface of the side connecting plate 201.

[0026] It should be noted that, as mentioned above, in order to further improve the connection performance between the precast floor slab unit 3, the corner connection mechanism 1, and the side connection mechanism 2, under the premise of clamping the steel reinforcement 302 by the energy storage instantaneous release clamping assembly, structural adhesive can be injected into the corresponding main channel 601 by the adhesive injection machine. Because the precast component 301 and the side connection plate 201 are in close contact, and with the setting of two sets of one-way sealing plates 206, the vertical sliding groove 204 can be in a sealed state. At this time, the structural adhesive injected through the main channel 601 can flow from the diversion channel 602 into the sealed vertical sliding groove 204, thereby making the steel reinforcement 302... 2. The limiting performance at both ends is further improved, thereby increasing the compressive strength of the reinforcing bar 302. When the structural adhesive is injected into the side connecting plate 201 at the edge, the corresponding diversion channel 602 in the open vertical sliding groove 204 needs to be blocked with a corresponding sealing head to prevent the structural adhesive from leaking into the open vertical sliding groove 204. The structure of the one-way sealing plate 206 allows it to rotate towards the inside of the vertical sliding groove 204, but it cannot rotate towards the outside of the vertical sliding groove 204. This can seal the opening at the top of the vertical sliding groove 204 without affecting the process of the reinforcing bar 302 entering the vertical sliding groove 204.

[0027] In an optional embodiment of the invention, such as Figures 3 to 6 as well as Figures 9 to 10 As shown, the telescopic gas storage assembly includes a telescopic corrugated pipe 401 fixedly connected to the bottom of the vertical sliding groove 204 and a trapezoidal slider 402 fixedly connected to the upper end of the telescopic corrugated pipe 401. The trapezoidal slider 402 is matched with the vertical sliding groove 204. A sealed gas storage chamber is formed between the telescopic corrugated pipe 401, the vertical sliding groove 204 and the trapezoidal slider 402. The sealed gas storage chamber is connected to the gas diversion channel.

[0028] The gas diversion channel includes a first ventilation channel 403 located inside the side connecting plate 201 and several second ventilation channels 404. The several second ventilation channels 404 are all connected to the first ventilation channel 403. The first ventilation channel 403 is connected to the sealed gas storage chamber.

[0029] It should be noted that, as mentioned above, when the steel bar 302 enters from the upper opening of the vertical sliding groove 204 and comes into contact with the trapezoidal slider 402, the trapezoidal slider 402, under the influence of the gravity of the precast floor slab unit 3, moves down synchronously with the steel bar 302 and begins to compress the telescopic corrugated pipe 401. At this time, the volume of the sealed air storage chamber gradually decreases, and the internal air pressure gradually increases, causing the air pressure in the ventilation channel 1 403 and the ventilation channel 2 404 to increase synchronously until the surface of the precast component 301 is flush with the surface of the side connecting plate 201 and the square connecting column 101. At this time, the elastic effect of the telescopic corrugated pipe 401 and the air pressure effect can keep the precast component 301 in a stable state. During this process, the damping limiting component gradually switches from the limiting state to the release state under the action of the continuously increasing air pressure, thereby causing the energy storage instantaneous release clamping component to release and clamp the corresponding steel bar 302.

[0030] In an optional embodiment of the invention, such as Figures 4 to 5 as well as Figures 7 to 9 As shown, the energy storage instantaneous release clamping assembly includes a sliding chamber 501 located inside the side connecting plate 201, a sliding chamber 502 located on the inner wall of the vertical sliding groove 204 and communicating with the sliding chamber 501, a T-shaped slider 503 located inside the sliding chamber 501, a spring 507 located between the T-shaped slider 503 and the inner wall of the sliding chamber 501, a slot 504 located on the T-shaped slider 503, and a semi-circular clamping end 506 fixedly connected to one end of the T-shaped slider 503 extending into the sliding chamber 502.

[0031] The damping limiting assembly includes a second slot 508 disposed inside the side connecting plate 201 and a limiting damping block 505 disposed inside the second slot 508. When the first spring 507 is in its shortest state, a portion of the limiting damping block 505 is located within the first slot 504. The volume of the limiting damping block 505 is the same as the volume of the first slot 504. When the internal pressure of the sealed gas storage chamber reaches a set value, the limiting damping block 505 is completely within the first slot 504.

[0032] It should be noted that, as mentioned above, when the air pressure gradually increases to the point where it can overcome the frictional resistance between the limiting damping block 505 and the second slot 508, the limiting damping block 505 begins to move towards the inside of the first slot 504. When the reinforcing bar 302 is in a stable state, the limiting damping block 505 is just fully inserted into the first slot 504. At this time, the T-shaped slider 503 is no longer limited, the spring 507 in the energy storage state is released, and pushes the T-shaped slider 503 towards the reinforcing bar 302, and drives the semi-circular clamping end 506 to move in the same direction. Under the premise that the elastic potential energy is converted into the kinetic energy of the semi-circular clamping end 506, the semi-circular clamping end 506 moves in the same direction. 06 can quickly contact the reinforcing bar 302, and when it contacts the trapezoidal slider 402 supporting the lowest reinforcing bar 302, the trapezoidal slider 402 can continue to move downward, so that the two sets of semi-circular clamping ends 506 can smoothly clamp the reinforcing bar 302. The inner circular surface of the semi-circular clamping end 506 in contact with the reinforcing bar 302 is made of damping material, which can generate a large friction force between the reinforcing bar 302 and the semi-circular clamping end 506. In combination with the structural adhesive, it provides effective anti-bending and tensile force for both ends of the reinforcing bar 302, thereby improving the bending and compressive resistance of the reinforcing bar 302 in each precast floor slab unit 3.

[0033] In an optional embodiment of the invention, such as Figure 5 and Figure 11 As shown, the return locking assembly includes a second limiting plug 703, a limiting chamber 704 disposed on the second limiting plug 703, a wedge-shaped plug 705 disposed in the limiting chamber 704, and a second spring 706 connected between the wedge-shaped plug 705 and the inner wall of the limiting chamber 704. The second limiting plug 703 is fixedly connected to the corresponding semi-ring clamping end 506. The locking assembly includes a second limiting slot 701 and a third limiting slot 702 disposed on the inner wall of the second limiting slot 701. The second limiting slot 701 and the third limiting slot 702 are disposed on the corresponding semi-ring clamping end 506. The second limiting slot 701 is configured to cooperate with the second limiting insert 703, and the third limiting slot 702 is configured to cooperate with the wedge-shaped insert 705.

[0034] It should be noted that, as described above, when the two sets of semi-circular clamping ends 506 are in kinetic energy contact, the limiting insert 703 connected to one of the semi-circular clamping ends 506 is inserted into the limiting slot 701 on the other semi-circular clamping end 506. During this process, the wedge surface on the spring 706 contacts the inner wall of the limiting slot 701 and generates a compressive force, which enables it to overcome the elastic force of the spring 706 and move into the limiting chamber 704 until the limiting insert 703 is fully inserted into the limiting chamber. When in slot two 701, the wedge-shaped insert 705 is completely in the area of ​​the limiting slot three 702 and is not limited by the internal limiting effect of the limiting slot two 701. Therefore, under the reset force of the spring two 706, it pops out again and inserts into the limiting slot three 702. The right angle surface of the wedge-shaped insert 705 forms a stable limiting connection with the limiting slot three 702, so that the limiting insert two 703 cannot be pulled out from the limiting slot two 701, so that the two semi-ring clamping ends 506 form a complete clamping ring.

[0035] The above description of this embodiment is not limited to the specific implementation described above. The specific implementation described above is merely illustrative and not restrictive. Those skilled in the art can make many other forms based on the guidance of this embodiment, all of which are within the protection scope of this embodiment.

Claims

1. A mounting structure characterized by comprising: include: Several corner connection mechanisms (1), the corner connection mechanism (1) includes a square connecting post (101) and limiting components provided on the four side walls of the square connecting post (101); Several side connection mechanisms (2), the side connection mechanism (2) includes a side connection plate (201), several vertical sliding grooves (204) symmetrically arranged on both sides of the side connection plate (201) and two sets of plug-in components symmetrically connected to both ends of the side connection plate (201), the plug-in components being detachably connected to the corresponding limiting components; A plurality of telescopic slow-descent mechanisms (4), wherein the plurality of telescopic slow-descent mechanisms (4) include a telescopic gas storage component connected to the inner wall of the corresponding vertical sliding groove (204) and a gas diversion channel provided inside the corresponding side connecting plate (201), wherein the internal space of the telescopic gas storage component is connected to the gas diversion channel; Several rebar limiting mechanisms (5) are provided. The rebar limiting mechanism (5) includes two sets of energy storage instant release clamping components symmetrically arranged on the inner wall of the vertical sliding groove (204) and a damping limiting component arranged between the energy storage instant release clamping component and the gas diversion channel. When the internal pressure of the telescopic gas storage component reaches the set value, the damping limiting component switches from the limiting state to the releasing state, and the two sets of symmetrically arranged energy storage instant release clamping components approach each other until they contact each other. Several locking mechanisms (7) are provided. The locking mechanism (7) includes a return lock assembly and a locking assembly that cooperates with the return lock assembly. The return lock assembly and the locking assembly are respectively disposed on the corresponding energy storage instantaneous discharge clamping assembly. When two sets of symmetrically arranged energy storage instantaneous discharge clamping assemblies come into contact, the return lock assembly and the locking assembly are in a fixed connection state.

2. The mounting structure of claim 1, wherein The limiting component includes a plurality of limiting slots (102) provided on the side wall of the square connecting post (101) and a countersunk hole (103) provided at the end of the square connecting post (101). The plurality of limiting slots (102) are equidistantly distributed, and the countersunk hole (103) passes through the corresponding limiting slot (102) in sequence.

3. The mounting structure of claim 2, wherein The plug-in assembly includes a plurality of limiting plugs (202) fixedly connected to the end of the side connecting plate (201) and screw holes (203) provided on the limiting plugs (202). The plurality of limiting plugs (202) are equidistant and respectively cooperate with the corresponding limiting slots (102).

4. The mounting structure of claim 3, wherein The side connecting plate (201) is also provided with several sets of glue injection mechanisms (6). The glue injection mechanism (6) includes a main channel (601) on the side connecting plate (201) and several diversion channels (602) inside the side connecting plate (201). The main channel (601) is connected to the corresponding vertical sliding groove (204) through several diversion channels (602). Two torsion spring shafts (205) are movably connected to the side wall of the vertical sliding groove (204) near the opening. A one-way sealing plate (206) is fixedly connected to the torsion spring shaft (205). The two torsion spring shafts (205) are symmetrically distributed. The one-way sealing plate (206) is flush with the outer surface of the side connecting plate (201).

5. The mounting structure of claim 4, wherein The telescopic gas storage assembly includes a telescopic corrugated pipe (401) fixedly connected to the bottom of the vertical sliding groove (204) and a trapezoidal slider (402) fixedly connected to the upper end of the telescopic corrugated pipe (401). The trapezoidal slider (402) is matched with the vertical sliding groove (204). A sealed gas storage chamber is formed between the telescopic corrugated pipe (401), the vertical sliding groove (204) and the trapezoidal slider (402). The sealed gas storage chamber is connected to the gas diversion channel.

6. The mounting structure of claim 5, wherein The gas diversion channel includes a ventilation channel one (403) located inside the side connecting plate (201) and several ventilation channels two (404). The several ventilation channels two (404) are all connected to the ventilation channel one (403). The ventilation channel one (403) is connected to the sealed gas storage chamber.

7. The mounting structure of claim 6, wherein The energy storage instantaneous release clamping assembly includes a sliding chamber one (501) disposed inside the side connecting plate (201), a sliding chamber two (502) disposed on the inner wall of the vertical sliding groove (204) and communicating with the sliding chamber one (501), a T-shaped slider (503) disposed inside the sliding chamber one (501), a spring one (507) disposed between the T-shaped slider (503) and the inner wall of the sliding chamber one (501), a slot one (504) disposed on the T-shaped slider (503), and a semi-circular clamping end (506) fixedly connected to one end of the T-shaped slider (503) extending into the sliding chamber two (502).

8. The mounting structure of claim 7, wherein The damping limiting component includes a second slot (508) located inside the side connecting plate (201) and a limiting damping block (505) located inside the second slot (508). When the first spring (507) is in its shortest state, a portion of the limiting damping block (505) is located inside the first slot (504). The volume of the limiting damping block (505) is the same as the volume of the first slot (504). When the internal pressure of the sealed gas storage chamber reaches a set value, the limiting damping block (505) is completely located inside the first slot (504).

9. The mounting structure of claim 8, wherein The return locking assembly includes a second limiting plug (703), a limiting chamber (704) disposed on the second limiting plug (703), a wedge-shaped plug (705) disposed in the limiting chamber (704), and a second spring (706) connected between the wedge-shaped plug (705) and the inner wall of the limiting chamber (704). The second limiting plug (703) is fixedly connected to the corresponding semi-ring clamping end (506). The locking assembly includes a second limiting slot (701) and a third limiting slot (702) disposed on the inner wall of the second limiting slot (701). The second limiting slot (701) and the third limiting slot (702) are disposed on the corresponding semi-ring clamping end (506). The second limiting slot (701) is configured to cooperate with the second limiting plug (703), and the third limiting slot (702) is configured to cooperate with the wedge plug (705).

10. A prefabricated floor slab, characterized in that, The invention includes an installation structure as described in any one of claims 1-9 and a plurality of precast floor slab units (3), wherein the precast floor slab unit (3) includes a precast component (301) and a plurality of steel bars (302) vertically and intersectingly distributed inside the precast component (301), wherein the two ends of the steel bars (302) extend to the outside of the precast component (301) by a predetermined length.

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