Top plate post-cast strip advanced sealing device for large-penetration construction

Abstract

The utility model discloses a top plate post-cast strip advanced sealing device for large interpenetration construction, which comprises floor top plates, a post-cast strip is formed between the floor top plates, an arch frame is erected on the post-cast strip between the floor top plates, an upper baffle plate and a lower baffle plate are respectively arranged at the bottom of the arch frame, and extension plates are movably arranged on two sides of the upper baffle plate. A positioning shaft movably penetrates through the middle of the arch frame, the lower end of the positioning shaft penetrates through the middle of the upper baffle and is connected with the middle of the top of the lower baffle, push rods are arranged at the tops of the outer ends of the extension plates, and transverse openings matched with the push rods are formed in the two sides of the arch frame. According to the top plate post-cast strip advanced sealing device for large-penetration construction, through the design of the prefabricated assembly type baffles, a filling assembly convenient to mount and dismount is formed, the manpower and material resource investment of site construction is reduced, repeated use can be achieved, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering especially relates to a roof post-cast strip advanced closing device of big interpenetration construction. BACKGROUND

[0002] The application of big interpenetration construction in high-rise residential buildings of lean construction is a new construction organization mode with the core target of optimizing construction process, improving efficiency and reducing waste. It breaks the traditional mode of sequential construction, realizes the cross of construction activities of different professions, different floors and even different stages in time and space, thereby significantly shortens the construction period, reduces the cost and improves the engineering quality.

[0003] Through the search, the patent with the application number CN202221955417.X discloses a construction device for transverse post-cast strip advanced closing, which comprises a prefabricated closed steel plate, expansion bolts and grouting risers. The two side wings of the prefabricated closed steel plate are connected to the roof through a plurality of expansion bolts. One or more grouting holes are formed in the middle of the prefabricated closed steel plate. A grouting riser is welded to the upper side of each grouting hole. A cap is arranged at the upper end of the grouting riser. The prefabricated closed steel plate replaces the traditional formwork system, effectively solves the problem of long formwork setting duration, accumulation of sundries and ash in the post-cast strip formwork, difficult cleaning, and influence on the quality and sensory of the concrete structure. Moreover, concrete can be quickly injected into the transverse post-cast strip through the grouting riser in the later stage. The strength of the transverse post-cast strip closing is ensured, and damage caused by later interpenetration construction is avoided, saving labor and materials.

[0004] At present, in the engineering project adopting big interpenetration construction, advanced closing measures can be taken for the roof post-cast strip to adapt to the construction rhythm of cross operation and synchronous advancement. The existing technology mainly uses temporary filling materials (such as foam board, prefabricated concrete block, light-weight foamed concrete, etc.) for post-cast strip advanced closing. Although these materials can quickly close the post-cast strip space, the materials involve transportation, on-site handling, accurate placement and post-removal, etc. A large amount of manpower and material resources need to be invested in each link, resulting in high cost. Moreover, these materials are usually treated as construction waste after removal and cannot be recycled, causing resource waste.

[0005] Therefore, a roof post-cast strip advanced closing device for big interpenetration construction is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] In order to solve the above problems existing in the prior art, the utility model provides a roof post-cast strip advanced closing device for big interpenetration construction.

[0007] The technical scheme of the utility model is as follows:

[0008] A pre-sealing device for post-cast strips in large-scale inter-construction roof slabs includes floor slabs, with post-cast strips formed between the floor slabs. An arched frame is erected on the post-cast strip between the floor slabs. The bottom of the arched frame is provided with an upper baffle and a lower baffle. Extension plates are movably installed on both sides of the upper baffle. A positioning shaft is movably inserted in the middle of the arched frame. The lower end of the positioning shaft passes through the middle of the upper baffle and connects to the middle of the top of the lower baffle. Push rods are provided at the top of the outer ends of the extension plates. Lateral openings that cooperate with the push rods are provided on both sides of the arched frame.

[0009] Preferably, there are fixed blocks on both sides of the connection between the arched frame and the positioning shaft, and locking shafts are inserted between the fixed blocks. Furthermore, there are several through holes on the positioning shaft that match the locking shafts.

[0010] Preferably, guide blocks are slidably connected to both sides of the front end of the arched frame, and screw blocks are provided on the outer side of the guide blocks. Screws are inserted inside the screw blocks, and top blocks are fixedly installed at the top of the screws, corresponding to the positions of the guide blocks.

[0011] Preferably, the top of the push rod has a bent section, and the bent section at the top of the push rod corresponds to the position of the top block at the top of the stud.

[0012] Preferably, the push rods are vertically distributed and welded to the outer end of the extension plate.

[0013] Preferably, the upper baffle has a through hole in the middle, and the positioning shaft passes through the through hole.

[0014] Preferably, both sides of the upper baffle are provided with slots, and the extension plates are movably retracted into the slots of the upper baffle.

[0015] This utility model has the following beneficial effects: Through the design of prefabricated assembled baffles, this utility model forms a filling component that can be easily installed and disassembled, reducing the input of manpower and material resources for on-site construction. It can also be reused, reducing costs. Furthermore, by erecting an arched frame above the post-pouring strip between floor slabs, the lower baffle at the bottom of the arched frame can be adjusted by a positioning shaft to press against the bottom of the post-pouring strip, and the upper baffle at the bottom of the arched frame can cooperate with the extension plate to press against the top of the post-pouring strip, thereby forming a structure that closes the post-pouring strip of the floor slab. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 For the present utility model Figure 1 Enlarged view of a portion of point A in the middle;

[0018] Figure 3 This is a schematic diagram of the top structure of the arched frame of this utility model.

[0019] The reference numerals in the figure are as follows:

[0020] 1. Floor top slab; 2. Arched frame; 3. Upper baffle; 4. Lower baffle; 5. Positioning shaft; 6. Extension plate; 7. Push rod; 8. Horizontal opening; 9. Fixed block; 10. Locking shaft; 11. Guide block; 12. Screw block; 13. Stud. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] See Figures 1 to 3 A pre-sealing device for the post-cast strip of a roof slab in a large-scale inter-construction project includes a roof slab 1, with post-cast strips formed between the roof slabs 1. The device is characterized by: an arched frame 2 being erected on the post-cast strip between the roof slabs 1; an upper baffle 3 and a lower baffle 4 being respectively provided at the bottom of the arched frame 2; extension plates 6 being movably installed on both sides of the upper baffle 3; a positioning shaft 5 being movably inserted in the middle of the arched frame 2; the lower end of the positioning shaft 5 passing through the middle of the upper baffle 3 and connecting with the middle of the top of the lower baffle 4; and push rods 7 being provided at the top of the outer ends of the extension plates 6; and transverse openings 8 cooperating with the push rods 7 being provided on both sides of the arched frame 2.

[0023] By setting up the arched frame 2 above the post-pouring strip between the floor slabs 1, the positioning shaft 5 can press the lower baffle 4 laterally against the bottom of the post-pouring strip between the floor slabs 1 when it rotates and slides vertically on the arched frame 2. The push rod 7 can move and pull the extension plate 6 within the transverse opening 8. When the extension plate 6 is under force, it can expand its width on both sides of the upper baffle 3 to press laterally against the top of the post-pouring strip between the floor slabs 1. In this way, the upper baffle 3, the extension plate 6, and the lower baffle 4 can quickly form a structure that closes the post-pouring strip between the floor slabs 1. The installation and disassembly process is very simple, reducing the manpower and material input of on-site construction. It can also be reused to reduce costs, so as to achieve economical, environmentally friendly, and efficient pre-closure construction of the post-pouring strip.

[0024] Furthermore, there are fixed blocks 9 on both sides of the connection between the arched frame 2 and the positioning shaft 5, and a locking shaft 10 is inserted between the fixed blocks 9. The positioning shaft 5 is provided with several through holes that match the locking shaft 10.

[0025] Meanwhile, the positioning shaft 5 can slide vertically on the arched frame 2 to adjust the lower baffle 4 to a suitable height position, ensuring the tightness of the lower baffle 4 when it presses against the bottom of the post-pouring strip. The locking shaft 10 can limit and fix the positioning shaft 5 through the corresponding through holes on the two fixed blocks 9 and the positioning shaft 5, so that the position of the lower baffle 4 remains stable.

[0026] Furthermore, guide blocks 11 are slidably connected to both sides of the front end of the arched frame 2, and screw blocks 12 are provided on the outer side of the guide blocks 11. A stud 13 is inserted inside the screw block 12, and a top block is fixedly installed at the top of the stud 13, which corresponds to the position of the guide block 11.

[0027] Furthermore, the top of the push rod 7 is provided with a bent section, and the bent section at the top of the push rod 7 corresponds to the position of the top block at the top of the stud 13.

[0028] Furthermore, push rods 7 are vertically distributed and welded to the outer end of extension plate 6.

[0029] Furthermore, the upper baffle 3 has a through hole in the middle, and the positioning shaft 5 passes through the through hole.

[0030] Furthermore, both sides of the upper baffle 3 are provided with slots, and the extension plates 6 are movably retracted into the slots of the upper baffle 3.

[0031] When the push rod 7 moves within the transverse opening 8 to adjust the extension plate 6 to a suitable position, the guide block 11 can move to a position corresponding to the push rod 7 and rotate the stud 13. When the stud 13 rotates within the screw block 12, the top block at the top will vertically push the bent section at the top of the push rod 7. In this way, the push rod 7 can adjust the upper baffle 3 extension plate 6 to a suitable height position, ensuring the tightness of the upper baffle 3 extension plate 6 when sealing the top of the post-pouring strip. The upper baffle 3 has a through hole in the middle, and the positioning shaft 5 passes through the through hole in the middle of the upper baffle 3 without contacting the upper baffle 3. In this structure, the through hole on the upper baffle 3 can move in conjunction with the positioning shaft 5 without affecting the rotation angle of the lower baffle 4.

[0032] A construction method for a pre-sealing device for the post-cast strip of a roof slab in a large-scale inter-construction project, characterized by the following steps:

[0033] S1. First, the arched frame 2 is erected above the post-cast strip between the floor slabs 1;

[0034] S2. At the same time, the lower baffle 4 passes through the post-pouring strip and the upper baffle 3 is located at the top of the post-pouring strip until the lower baffle 4 penetrates to the bottom of the post-pouring strip.

[0035] S3. Then, a positioning shaft 5 is inserted in the middle of the arched frame 2. The lower end of the positioning shaft 5 passes through the middle of the upper baffle 3 and is connected to the middle of the top of the lower baffle 4. By rotating the positioning shaft 5, the lower baffle 4 is driven to rotate synchronously.

[0036] S4. Next, the lower baffle 4 is fixed by means of several through holes that are evenly provided on the positioning shaft 5 and match the locking shaft 10.

[0037] S5. Push the push rod 7. The push rod 7 moves within the transverse opening 8 to pull the extension plate 6, thereby causing the extension plate 6 to expand its width on both sides of the upper baffle 3 after being subjected to force, until the extension plate 6 is placed transversely at the top of the post-pouring strip between the floor top slabs 1.

[0038] S6. Then, move the guide block 11 to the position corresponding to the push rod 7, and rotate the stud 13. When the stud 13 rotates in the screw block 12, the top block at the top will vertically push the bent section at the top of the push rod 7, thereby enabling the overall height position of the upper baffle 3 and the extension plate 6 to be adjusted.

[0039] The working principle of this utility model:

[0040] In this utility model, when using the advanced sealing device for the post-pouring strip of the roof slab during large-scale inter-construction, the arched frame 2 is first erected above the post-pouring strip between the floor slabs 1. During the erection of the arched frame 2, the lower baffle 4 passes through the post-pouring strip, and the upper baffle 3 is positioned at the top of the post-pouring strip, until the lower baffle 4 reaches the bottom of the post-pouring strip. Then, the top of the positioning shaft 5 is rotated. The rotation of the positioning shaft 5 on the arched frame 2 causes the lower baffle 4 to rotate synchronously. When the lower baffle 4 is horizontally positioned at the bottom of the post-pouring strip, the positioning shaft 5 is pulled upwards. The positioning shaft 5 causes the lower baffle 4 to horizontally press against the bottom of the post-pouring strip between the floor slabs 1. At this point, the locking shaft 10 passes through the corresponding through holes on the two fixing blocks 9 and the positioning shaft 5 to limit and fix the position of the lower baffle 4. Then, push the push rod 7. When the push rod 7 moves in the horizontal opening 8, it will pull the extension plate 6. When the extension plate 6 is under force, it will expand its width on both sides of the upper baffle 3 until the extension plate 6 is placed horizontally on the top of the post-pouring strip between the floor slabs 1. Then, the guide block 11 is moved to the position corresponding to the push rod 7 and the stud 13 is rotated. When the stud 13 rotates in the screw block 12, the top block at the top will vertically push the bent section at the top of the push rod 7. In this way, the push rod 7 can adjust the upper baffle 3 and the extension plate 6 to a suitable height position until the bottom of the extension plate 6 presses against the top of the post-pouring strip of the floor slab 1. In this way, the upper baffle 3, the extension plate 6 and the lower baffle 4 form a structure that closes the post-pouring strip between the floor slabs 1, thus completing a series of operations.

[0041] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A large-penetration construction roof post-pouring belt advanced sealing device, comprising a floor roof (1), the floor roof (1) forms a post-pouring belt therebetween, characterized in that: The arch-shaped frame (2) is arranged on the post-cast strip between the floor top plates (1), the bottom of the arch-shaped frame (2) is respectively provided with an upper baffle (3) and a lower baffle (4), the both sides of the upper baffle (3) are movably provided with extension plates (6), the middle of the arch-shaped frame (2) is movably provided with positioning shafts (5), the lower ends of the positioning shafts (5) penetrate the middle of the upper baffle (3) and are connected with the middle of the top of the lower baffle (4) at the same time, the top of the outer end of the extension plate (6) is provided with a push rod (7), and the both sides of the arch-shaped frame (2) are provided with transverse openings (8) matched with the push rod (7).

2. The device according to claim 1, characterized in that: The both sides of the connecting position of the arch-shaped frame (2) and the positioning shaft (5) are provided with fixed blocks (9), the fixed blocks (9) are provided with lock shafts (10) penetrating therebetween, and the positioning shaft (5) is uniformly provided with a plurality of through holes matched with the lock shafts (10).

3. The device according to claim 1, characterized in that: The both sides of the front end of the arch-shaped frame (2) are transversely and slidably connected with guide blocks (11), the outer side of the guide block (11) is provided with a screw block (12), the inside of the screw block (12) is provided with a screw post (13), and the top end of the screw post (13) is fixedly connected with a top block corresponding to the position of the guide block (11).

4. The device according to claim 1, characterized in that: The top end of the push rod (7) is provided with a bent section, and the bent section of the top end of the push rod (7) corresponds to the position of the top block of the top end of the screw post (13).

5. The device according to claim 1, characterized in that: The push rod (7) is vertically and welded on the outer end of the extension plate (6).

6. The device according to claim 1, characterized in that: The middle of the upper baffle (3) is provided with a perforation, and the positioning shaft (5) penetrates the perforation.

7. The device according to claim 1, characterized in that: The both sides of the upper baffle (3) are provided with grooves, and the extension plates (6) are movably stored in the grooves of the upper baffle (3).

Images