Movable hollow slab hinge joint suspended formwork structure

Abstract

The utility model relates to a movable type hollow slab hinge joint suspended formwork structure, a hinge joint is formed between adjacent prefabricated hollow slabs, U-shaped sliding grooves are formed in the prefabricated hollow slabs on the two sides of the hinge joint, and the U-shaped sliding grooves are parallel to the hinge joint; the cross beam stretches across the hinge joint and moves along the U-shaped sliding groove through the pulley, and a hanging rod is fixed to the cross beam; and the lower ends of the steel wires penetrate through the steel templates and are connected with short steel bars. The device has the advantages that the short steel bars are hung below the hinge joint through the steel wires, the steel formwork falls on the square steel plate, sealing of the bottom of the hinge joint is achieved, related components are all machined in a factory and can be rapidly assembled on site, and formwork erecting efficiency and quality are improved; by the adoption of the movable suspended formwork structure, the cross beam moves along the U-shaped sliding grooves through the pulleys, hinge joint pouring is conveniently conducted in a segmented mode, in addition, the formwork supporting component can be repeatedly used, and the construction cost can be effectively reduced.

Description

Technical Field

[0001] The utility model relates to the field of construction, and in particular comprises a movable hollow slab hinged joint hanging formwork structure. Background Art

[0002] Although many existing highways are in good condition in terms of structure, they are limited by insufficient road width and limited traffic capacity, resulting in traffic congestion and unable to meet the increasing traffic capacity requirements brought about by economic development. Rebuilding highways is too expensive and takes too long. In view of this situation, the reconstruction and expansion of existing highways has become a solution with advantages in terms of economy and construction time. In the reconstruction and expansion construction, the hinged joint construction of prefabricated hollow slabs is a key control point. The traditional formwork method has problems such as long construction period and high cost.

[0003] In summary, for the current prefabricated hollow slab hinged joint formwork construction, it is very important to seek a mobile hollow slab hinged joint formwork structure with fast construction speed, low cost and reliable construction quality. Utility Model Content

[0004] The utility model aims to overcome the deficiencies in the prior art and provide a movable hollow slab hinged joint hanging formwork structure.

[0005] The movable hollow slab hinged joint hanging formwork structure comprises: a prefabricated hollow slab, a hinged joint steel formwork, a crossbeam and a steel wire;

[0006] A hinged joint is formed between adjacent prefabricated hollow slabs, and U-shaped slide grooves are provided on the prefabricated hollow slabs on both sides of the hinged joint, and the U-shaped slide grooves are parallel to the hinged joint; a crossbeam spans the hinged joint, and the crossbeam moves along the U-shaped slide groove through a pulley, and a suspension rod is fixed on the crossbeam;

[0007] The upper end of the steel wire is fixed on the hanger, and the lower end passes through the steel formwork and is connected with short steel bars. The steel formwork is clamped between the bottom surface of the prefabricated hollow slab on both sides of the hinge joint and the short steel bars.

[0008] Preferably, a square steel base is provided on the prefabricated hollow plates on both sides of the hinged joint, and a U-shaped slide groove is welded on the upper part of the square steel base, and the U-shaped slide groove is parallel to the hinged joint.

[0009] Preferably, two adjustable screws are provided on the crossbeam, a pulley is installed at the lower part of the adjustable screw, and the pulley moves in the U-shaped slide groove; the hanger is arranged in the middle of the crossbeam, the fixing fastener is fixed on the crossbeam, the hanger is fixed in the fixing fastener, and the hanger is parallel to the hinge joint.

[0010] Preferably, a short steel bar is tied and fixed to the bottom end of the steel wire, and the upper end of the steel wire passes through a square steel plate and a steel formwork in turn and is tied and fixed to the hanger, and the square steel plate and the steel formwork are located between the short steel bar and the bottom of the prefabricated hollow slab.

[0011] Preferably, the length of the hanger rod matches the length of the steel formwork, a number of cross beams are provided along the length direction of the hinged joint, several points of the hanger rod are fixed on the cross beams, and a number of steel wires are connected to the hanger rod at intervals.

[0012] The beneficial effects of the utility model are:

[0013] 1) The utility model discloses a movable hollow slab hinge joint hanging formwork structure, in which short steel bars are hung below the hinge joint by steel wires, and the steel formwork falls on a square steel plate, thereby achieving closure of the bottom of the hinge joint. The relevant components are all processed in the factory and can be quickly assembled on site, thereby improving the formwork efficiency and quality.

[0014] 2) The utility model adopts a movable hanging formwork structure, and the crossbeam moves along the U-shaped slide groove through a pulley, which is convenient for pouring the hinged joint in sections. In addition, the formwork components can be reused, which can effectively reduce the construction cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a cross-sectional schematic diagram of a movable hollow slab hinged joint hanging formwork structure;

[0016] Figure 2 It is a plan view of the movable hollow slab hinged joint hanging formwork structure;

[0017] Figure 3 This is a schematic diagram of the fixed connection of the suspender;

[0018] Figure 4 This is a schematic diagram of the fixed connection of steel formwork.

[0019] In the figure: 1-prefabricated hollow slab, 2-hinge joint, 3-square steel plate, 4-short steel bars, 5-steel formwork, 6-square steel base, 7-U-shaped slide, 8-pulley, 9-adjustable screw, 10-fixed fastener, 11-suspender, 12-crossbeam, 13-steel wire. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the embodiments. The description of the following embodiments is only used to help understand the utility model. It should be pointed out that for ordinary people in this technical field, the utility model can also be modified in some ways without departing from the principle of the utility model, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

[0021] As an example, Figures 1 to 4 As shown, this movable hollow slab hinged joint hanging formwork structure includes: a prefabricated hollow slab 1, a hinged joint 2, a square steel plate 3, short steel bars 4, a steel formwork 5, a square steel base 6, a U-shaped slide 7, a pulley 8, an adjustable screw 9, a fixing fastener 10, a hanging rod 11, a crossbeam 12, and a steel wire 13.

[0022] Hinge joints 2 are formed between adjacent prefabricated hollow slabs 1. The hinged joint formwork structure of the prefabricated hollow slab 1 adopts a movable hanging formwork structure. Relevant components are all processed in the factory and can be quickly assembled by on-site hoisting.

[0023] A square steel base 6 is arranged on the prefabricated hollow slab 1 on both sides of the hinged joint 2 , and a U-shaped slide groove 7 is welded on the upper part of the square steel base 6 ; the U-shaped slide groove 7 is parallel to the hinged joint 2 .

[0024] like Figure 1 and Figure 3 As shown, adjustable screws 9 are arranged on both sides of the cross beam 12, and pulleys 8 are installed at the lower part of the adjustable screws 9, and the pulleys 8 can move in the U-shaped slide groove 7; the suspension rod 11 is arranged in the middle of the cross beam 12 and is fixed in position by fixing fasteners 10.

[0025] like Figure 4 As shown, after the steel wire 13 is tied and fixed with the short steel bar 4, it passes through the square steel plate 3 and the steel template 5 in sequence, and is finally tied and fixed with the suspension rod 11. The square steel plate 3 and the steel template 5 are located between the short steel bar 4 and the bottom of the prefabricated hollow slab 1.

[0026] like Figure 2 As shown, the length of the suspension rod 11 matches the length of the steel formwork 5, and several cross beams 12 are provided along the length direction of the hinge joint 2. Several points of the suspension rod 11 are fixed on the cross beams 12, and several steel wires 13 are connected to the suspension rod 11 at intervals. The steel wires 13 are evenly arranged at intervals; after the concrete pouring of the hinge joint 2 is completed, the steel wires 13 are removed, the force-bearing structure of the hanging formwork is moved by the pulley 8, and the steel wires 13 are reinstalled at the new pouring segment position to connect the suspension rod 11 and the steel formwork 5, and the concrete pouring of the hinge joint 2 is carried out. Repeat the above steps to complete the formwork of the hinge joint 2 of the prefabricated hollow slab 1.

Claims

1. A movable hollow slab hinged joint hanging formwork structure, characterized in that: include: Precast hollow core slabs, hinged steel formwork, beams and wires; A hinged joint is formed between adjacent prefabricated hollow slabs, and U-shaped slide grooves are provided on the prefabricated hollow slabs on both sides of the hinged joint, and the U-shaped slide grooves are parallel to the hinged joint; a crossbeam spans the hinged joint, and the crossbeam moves along the U-shaped slide groove through a pulley, and a suspension rod is fixed on the crossbeam; The upper end of the steel wire is fixed on the hanger, and the lower end passes through the steel formwork and is connected with short steel bars. The steel formwork is clamped between the bottom surface of the prefabricated hollow slab on both sides of the hinge joint and the short steel bars.

2. The movable hollow slab hinged joint hanging formwork structure according to claim 1 is characterized in that: A square steel base is arranged on the prefabricated hollow plates on both sides of the hinged joint, and a U-shaped slide groove is welded on the upper part of the square steel base, and the U-shaped slide groove is parallel to the hinged joint.

3. The movable hollow slab hinged joint hanging formwork structure according to claim 1 is characterized in that: The crossbeam is provided with two adjustable screws, the lower part of which is provided with a pulley, which moves in the U-shaped slide groove; the suspension rod is arranged in the middle part of the crossbeam, the fixing fastener is fixed on the crossbeam, the suspension rod is fixed in the fixing fastener, and the suspension rod is parallel to the hinge joint.

4. The movable hollow slab hinged joint hanging formwork structure according to claim 1 is characterized in that: The bottom end of the steel wire is tied and fixed with a short steel bar, and the upper end of the steel wire passes through the square steel plate and the steel template in turn and is tied and fixed with the suspension rod. The square steel plate and the steel template are located between the short steel bar and the bottom of the prefabricated hollow slab.

5. The movable hollow slab hinged joint hanging formwork structure according to claim 1 is characterized in that: The length of the hanger rod matches the length of the steel formwork. Several cross beams are provided along the length direction of the hinge joint. Several points of the hanger rod are fixed on the cross beams. Several steel wires are connected at intervals between the hangers.

Images