Auxiliary positioning device for preventing slurry leakage of composite floor slab

Abstract

The slurry leakage prevention auxiliary positioning device comprises a left plugging piece and a right plugging piece which are the same in structure, the cross section of the left plugging piece and the cross section of the right plugging piece are both in an L shape, the step side of the left plugging piece and the step side of the right plugging piece are arranged in a back-to-back mode, and the step side of the left plugging piece and the step side of the right plugging piece are attached to a reserved groove. The left plugging piece and the right plugging piece are fixedly connected through a plurality of connecting steel bars. The problem of slurry leakage at the connecting position of the assembly type laminated slab can be solved, the reserved groove is designed in the periphery of the bottom of the concrete laminated slab, the reserved groove is matched with the left plugging piece and the right plugging piece, and plugging of a gap at the connecting position of the assembly type laminated slab is achieved; the left plugging piece and the right plugging piece are supported and fixed to the joint of the laminated slab and the cast-in-place concrete through the connecting steel bars, and slurry leakage at the cast-in-place joint can be effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to an auxiliary positioning device for preventing leakage of slurry in a composite floor slab. Background Art

[0002] At present, the construction process of most prefabricated structural composite panels at the joints cannot tightly connect the composite panels with the aluminum formwork, and leakage occurs during the pouring of concrete and before the concrete solidifies after pouring, resulting in a decline in construction quality and even failure to meet the quality requirements of the building design. In addition, the construction defects caused by leakage require post-processing, which will consume a lot of materials and labor, increase the cost of the project and delay the construction period. Therefore, in view of the above problems, it is necessary to propose a composite floor slab leakage-proof auxiliary positioning device that can prevent leakage at the joint between the composite panel and the cast-in-place concrete and assist in the positioning of the concrete composite panel. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides an auxiliary positioning device for preventing leakage of composite floor slabs.

[0004] In order to achieve the above-mentioned purpose of the invention, the technical solution adopted by the utility model is: it includes a left blocking piece and a right blocking piece with the same structure, the cross-sections of the left blocking piece and the right blocking piece are both L-shaped, the stepped sides of the left blocking piece and the right blocking piece are arranged back to back, the stepped sides of the left blocking piece and the right blocking piece are arranged in fit with the reserved groove, and the left blocking piece and the right blocking piece are fixedly connected by a plurality of connecting steel bars.

[0005] Furthermore, the left blocking piece, the right blocking piece and the connecting steel bars are all connected via connecting pieces.

[0006] Furthermore, the connecting piece is a connecting plate, and the connecting plates are symmetrically arranged on the left blocking piece and the right blocking piece. The connecting plates are welded and fixed to the left blocking piece and the right blocking piece, and the ends of the connecting steel bars are fixedly connected to the connecting plates.

[0007] Furthermore, the connecting steel bars are fixed to the connecting plates by welding.

[0008] Furthermore, the connecting steel bar is threadedly connected to the connecting plate, a threaded sleeve is welded and fixed to the end of the connecting steel bar, and a threaded hole matching the threaded sleeve is provided on the connecting plate.

[0009] Furthermore, a mounting hole cooperating with the connecting steel bar is arranged on the connecting plate, the connecting steel bar is inserted and fixed in the mounting hole, and the space between the mounting hole and the connecting steel bar is filled with anchoring glue.

[0010] Furthermore, the connecting piece is a connecting sleeve, and the connecting sleeves are symmetrically arranged on the left blocking piece and the right blocking piece, the connecting sleeve is welded and fixed to the left blocking piece and the right blocking piece, the connecting steel bar is inserted and fixed in the connecting sleeve, and the connecting steel bar and the connecting sleeve are fixed by welding or anchor glue.

[0011] Furthermore, the left blocking piece and the right blocking piece are both angle irons.

[0012] Furthermore, the height of the reserved groove matches the thickness of the left blocking member.

[0013] Furthermore, the width of the reserved groove matches the width of the left blocking member.

[0014] The beneficial effects of the utility model are:

[0015] The utility model can solve the problem of slurry leakage at the connection of prefabricated composite slabs. Pre-set grooves are designed around the bottom of the concrete composite slab. The pre-set grooves cooperate with the left sealing piece and the right sealing piece to seal the gap at the connection of the prefabricated composite slab. The left sealing piece and the right sealing piece are fixed at the connection between the composite slab and the cast-in-place concrete through connecting steel bars, which can effectively avoid slurry leakage at the cast-in-place connection.

[0016] The utility model can effectively solve the hidden danger of leakage of post-cast concrete at the joints of the composite slabs, improve the construction quality, avoid the cost of later repairs, and is conducive to saving construction costs.

[0017] The utility model of the auxiliary fixing device for preventing leakage of slurry can also be used as a positioning device for concrete composite slabs during construction, which is beneficial to improving the construction quality and construction efficiency of concrete composite slabs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of Embodiment 1 of the present utility model;

[0020] Figure 3 This is a schematic diagram of the structure of Embodiment 2 of the present utility model;

[0021] Figure 4 is a cross-sectional schematic diagram of a concrete composite slab;

[0022] Figure 5 This is a schematic diagram of the installation of the utility model;

[0023] Figure 6 This is a working principle diagram of the utility model;

[0024] The symbols of the components are as follows:

[0025] 1. Left blocking piece; 2. Right blocking piece; 3. Connecting steel bars; 4. Connecting piece; 41. Connecting sleeve; 42. Connecting plate; 5. Concrete composite slab; 51. Reserved groove; 6. Wooden formwork bottom formwork. DETAILED DESCRIPTION

[0026] The specific implementation methods of the utility model are described below to facilitate technical personnel in this technical field to understand the utility model, but it should be clear that the utility model is not limited to the scope of the specific implementation methods. For ordinary technical personnel in this technical field, as long as various changes are within the spirit and scope of the utility model defined and determined by the attached claims, these changes are obvious, and all utility model creations using the concept of the utility model are protected.

[0027] Example 1

[0028] like Figure 4 As shown, the auxiliary positioning device for preventing leakage of composite floor slabs is used in conjunction with a concrete composite slab 5 , and reserved grooves 51 are arranged around the bottom of the concrete composite slab 5 .

[0029] like Figure 1 and 2 As shown, the auxiliary positioning device for preventing leakage of composite floor slabs includes a left plugging member 1 and a right plugging member 2 of the same structure. The cross-sections of the left plugging member 1 and the right plugging member 2 are both L-shaped, and the left plugging member 1 and the right plugging member 2 are preferably angle irons. The stepped sides of the left plugging member 1 and the right plugging member 2 are arranged back to back, the height of the reserved groove 51 matches the thickness of the left plugging member 1, the width of the reserved groove 51 matches the width of the left plugging member 1, the stepped sides of the left plugging member 1 and the right plugging member 2 are arranged in close contact with the reserved groove 51, and the left plugging member 1 and the right plugging member 2 are fixedly connected by a plurality of connecting steel bars 3. The number of connecting steel bars 3 is reasonably set according to the length and width of the concrete composite slab, so that the force on the left plugging member 1 and the right plugging member 2 is uniform.

[0030] The left blocking piece 1, the right blocking piece 2 and the connecting steel bar 3 are connected by a connecting piece 4, and the connecting piece 4 is used to connect the end of the connecting steel bar 3 to the left blocking piece 1 and the right blocking piece 2. The connecting piece 4 is a connecting plate 42, and the left blocking piece 1 and the right blocking piece 2 are symmetrically provided with connecting plates 42, and the connecting plates 42 are welded and fixed to the left blocking piece 1 and the right blocking piece 2, and the end of the connecting steel bar 3 is fixedly connected to the connecting plate 42. The connecting steel bar 3 and the connecting plate 42 are fixed by welding.

[0031] Example 2

[0032] The difference between Example 2 and Example 1 is that the connecting steel bar 3 and the connecting plate 42 are connected by threads, a threaded sleeve is welded and fixed at the end of the connecting steel bar 3, and a threaded hole matching the threaded sleeve is provided on the connecting plate 42. The threaded sleeve at the end of the connecting steel bar 3 has opposite thread rotation directions, and the connecting steel bar 3 can be fixed at two locations by rotating the connecting steel bar in the same direction. The efficient connection between the connecting steel bar 3 and the connecting plate 42 is achieved by matching the threaded sleeve and the threaded hole.

[0033] Example 3

[0034] The difference between Example 3 and Example 1 is that: the connection plate 42 is provided with a mounting hole that matches the connection steel bar 3, the connection steel bar 3 is inserted and fixed in the mounting hole, and the mounting hole and the connection steel bar 3 are filled with anchoring glue. The end of the connection steel bar 3 can be firmly fixed on the connection plate 42 by the anchoring glue, so that the connection plate 42 is connected to the left blocking member 1 and the right blocking member 2.

[0035] Example 4

[0036] The difference between Example 4 and Example 1 is that: Figure 3 As shown, the connecting member 4 is a connecting sleeve 42, and the connecting sleeves 42 are symmetrically arranged on the left blocking member 1 and the right blocking member 2. The connecting sleeve 42 is welded and fixed to the left blocking member 1 and the right blocking member 2, and the connecting steel bar 3 is inserted and fixed in the connecting sleeve 42. The connecting steel bar 3 and the connecting sleeve 42 are fixed by welding or anchor glue.

[0037] Working principle and process: Figure 5 and 6 As shown. The reserved groove 51 in the figure has a height of 20mm and a width of 50mm. For example, the left plugging piece 1 and the right plugging piece 2 use 50*50mm angle steel, the connecting plate is a 30*30*2mm thick steel plate, the connecting steel bar 3 is a 18mm diameter steel bar, and the outer spacing of the connecting plates 42 on the same left plugging piece 1 is 200mm. The specific construction method is as follows:

[0038] Step S1: firstly set up the composite board formwork support system and lay the wooden formwork bottom formwork 6.

[0039] Step S2: Positioning and laying out, pop up the frame line of the installation position of the composite board on the wooden template bottom mold 6, and install the anti-leakage auxiliary fixing device on the wooden template bottom mold 6. Use iron nails to fix it. It also serves as an auxiliary fixing measure for the composite floor.

[0040] Step S3: hoist the concrete composite plate 5 according to the position of the auxiliary fixing device for preventing leakage of slurry. The concrete composite plate 5 should be installed between the left plugging member 1 and the right plugging member 2 of two adjacent auxiliary fixing devices for preventing leakage of slurry.

[0041] Step S4: After the concrete composite slab 5 is installed, it is checked and corrected, and then concrete is poured in the cast-in-place concrete zone.

Claims

1. An auxiliary positioning device for preventing leakage of composite floor slabs, used in conjunction with a concrete composite slab (5), wherein a reserved groove (51) is arranged around the bottom of the concrete composite slab (5), characterized in that: The invention comprises a left blocking member (1) and a right blocking member (2) of the same structure, wherein the cross-sections of the left blocking member (1) and the right blocking member (2) are both L-shaped, the stepped sides of the left blocking member (1) and the right blocking member (2) are arranged back to back, the stepped sides of the left blocking member (1) and the right blocking member (2) are arranged in abutment with a reserved groove (51), and the left blocking member (1) and the right blocking member (2) are fixedly connected by a plurality of connecting steel bars (3).

2. The device for auxiliary positioning of composite floor slab leakage prevention according to claim 1, characterized in that: The left blocking piece (1), the right blocking piece (2) and the connecting steel bar (3) are all connected via a connecting piece (4).

3. The auxiliary positioning device for preventing leakage of composite floor slabs according to claim 2 is characterized in that: The connecting member (4) is a connecting plate (42), and the connecting plates (42) are symmetrically arranged on the left blocking member (1) and the right blocking member (2). The connecting plates (42) are welded and fixed on the left blocking member (1) and the right blocking member (2), and the ends of the connecting steel bars (3) are fixedly connected to the connecting plates (42).

4. The device for auxiliary positioning of composite floor slab leakage prevention according to claim 3, characterized in that: The connecting steel bars (3) are fixed to the connecting plates (42) by welding.

5. The auxiliary positioning device for preventing leakage of composite floor slabs according to claim 3 is characterized in that: The connecting steel bar (3) is threadedly connected to the connecting plate (42); a threaded sleeve is welded and fixed to the end of the connecting steel bar (3); and a threaded hole matching the threaded sleeve is provided on the connecting plate (42).

6. The auxiliary positioning device for preventing leakage of composite floor slabs according to claim 3 is characterized in that: The connecting plate (42) is provided with a mounting hole that matches the connecting steel bar (3), the connecting steel bar (3) is inserted and fixed in the mounting hole, and the space between the mounting hole and the connecting steel bar (3) is filled with anchoring glue.

7. The auxiliary positioning device for preventing leakage of composite floor slabs according to claim 2, characterized in that: The connecting piece (4) is a connecting sleeve (41), and the connecting sleeves (41) are symmetrically arranged on the left blocking piece (1) and the right blocking piece (2). The connecting sleeve (41) is welded and fixed to the left blocking piece (1) and the right blocking piece (2). The connecting steel bar (3) is inserted and fixed in the connecting sleeve (41), and the connecting steel bar (3) and the connecting sleeve (41) are fixed by welding or anchoring glue.

8. The auxiliary positioning device for preventing leakage of composite floor slabs according to claim 1, characterized in that: The left blocking piece (1) and the right blocking piece (2) are both angle irons.

9. The device for auxiliary positioning of composite floor slab leakage prevention according to claim 1, characterized in that: The height of the reserved groove (51) matches the thickness of the left blocking member (1).

10. The device for auxiliary positioning of composite floor slab leakage prevention according to claim 1, characterized in that: The width of the reserved groove (51) matches the width of the left blocking member (1).

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