Tensioning tool for replacing broken prestressed steel bar with steel strand

Abstract

The utility model provides a tensioning tool for replacing a steel strand when a prestressed steel bar is broken, and belongs to the technical field of oral cavities. According to the utility model, three structures of the sleeving base, the sleeving pipe and the sleeving column are arranged, the sleeving column extends into the sleeving base from the bottom of the sleeving pipe, the upper column penetrates through the sleeving opening of the sleeving pipe to form an upper end structure, the sleeving column is connected above the sleeving base in a clamping manner, and the sleeving pipe is connected to the outer side of the sleeving base in a sleeving manner; according to the tensioning tool, overall combination of the tensioning tool is achieved, abrasion, caused by tensioning, of the steel bar and the steel strand is greatly reduced, the safety coefficient of engineering construction is improved, and the labor amount can be greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oral cavity technical field especially relates to prestressed steel bar fracture replacement steel strand tensioning frock. BACKGROUND

[0002] Prestressed steel bar and steel strand are two main materials used to introduce prestress in concrete structures. The purpose of prestressed construction is to offset the tensile stress that may occur in concrete during use by applying tension, thereby improving the load-carrying capacity and durability of the structure.

[0003] Prestressed steel bar: usually solid round steel with large diameter and tensile strength;

[0004] Steel strand: twisted by multiple steel wires, with higher tensile strength and flexibility, suitable for long-span structures.

[0005] The existing prestressed steel bar fracture replacement steel strand tensioning frock still has the following shortcomings:

[0006] The existing technology takes a long time in the engineering tensioning process, and is prone to steel bar wear. Moreover, due to the large amount of labor, it is easy to cause additional losses, and when the degree of steel bar wear is too high, it will result in low safety factor. INVENTION CONTENTS

[0007] The utility model discloses a prestressed steel bar fracture replacement steel strand tensioning frock to solve the problem of long time in the engineering tensioning process, easy to wear the steel bar, large amount of labor, easy to cause additional losses, and low safety factor when the degree of steel bar wear is too high.

[0008] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0009] The prestressed steel bar fracture replacement steel strand tensioning frock comprises a sleeve base, a sleeve pipe and a sleeve column, the sleeve base comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a multi-edge plate, the upper surface of the multi-edge plate is fixedly connected with a threaded part, the upper surface of the threaded part is fixedly connected with two upper-position side plates and an inner connecting column, and the inner connecting column is arranged on the inner side of the upper-position side plate.

[0010] Preferably, the upper-position side plate is arranged in an arc shape, an empty groove is arranged between the two upper-position side plates, a threaded groove is arranged on the inner side surface of the inner connecting column, and a ring-shaped groove is arranged on the side surface of the inner connecting column.

[0011] Preferably, the sleeve column comprises a connecting plate, the lower surface of the connecting plate is fixedly connected with two vertical columns, the upper surface of the connecting plate is fixedly connected with an upper column, and the upper surface of the upper column is fixedly connected with a top block.

[0012] Preferably, the connecting plate is placed on the upper surface of the upper side plate, and the vertical column is clamped and connected in the gap between the two upper side plates.

[0013] Preferably, the sleeve pipe comprises a connecting pipe, the upper surface of the connecting pipe is fixedly connected with a torsion member, the inner side surface of the connecting pipe is provided with a threaded groove, and the upper surfaces of the connecting pipe and the torsion member are provided with sleeve interfaces.

[0014] Preferably, the connecting pipe is threadedly connected to the outer side of the threaded member, the upper column penetrates the sleeve interface and extends to the upper side.

[0015] Compared with the prior art, the prestressed steel bar fracture replacement steel strand tensioning tool connection structure has the following advantages:

[0016] 1. The prestressed steel bar fracture replacement steel strand tensioning tool connection structure comprises a sleeve base, a sleeve pipe and a sleeve column, the sleeve column is inserted from the bottom of the sleeve pipe, the upper column penetrates the sleeve interface of the sleeve pipe, and the sleeve column is clamped and connected above the sleeve base, and the sleeve pipe is sleeved outside the sleeve base, so that the overall combination of the tensioning tool is realized, the abrasion of the steel bar and the steel strand caused by tensioning is greatly reduced, the safety factor of engineering construction is improved, and the labor intensity is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The prestressed steel bar fracture replacement steel strand tensioning tool connection structure is a schematic view of a sleeve base of the prestressed steel bar fracture replacement steel strand tensioning tool.

[0018] Figure 2 The prestressed steel bar fracture replacement steel strand tensioning tool connection structure is a schematic view of a sleeve base of the prestressed steel bar fracture replacement steel strand tensioning tool.

[0019] Figure 3 The prestressed steel bar fracture replacement steel strand tensioning tool connection structure is a schematic view of a sleeve base of the prestressed steel bar fracture replacement steel strand tensioning tool.

[0020] Figure 4 The prestressed steel bar fracture replacement steel strand tensioning tool connection structure is a schematic view of a sleeve base of the prestressed steel bar fracture replacement steel strand tensioning tool.

[0021] In the drawing: 1 bottom plate, 2 multi-edge plate, 3 threaded member, 4 upper side plate, 5 inner connecting column, 6 connecting pipe, 7 torsion member, 8 sleeve interface, 9 connecting plate, 10 vertical column, 11 upper column, 12 top block. DETAILED DESCRIPTION

[0022] The technical solutions in the prestressed steel bar fracture replacement steel strand tensioning tool connection structure will be further described below with reference to the drawings and embodiments.

[0023] Reference Figures 1-4, prestressed steel rod fracture replacement steel strand tensioning tool, including: sleeve base, sleeve pipe and sleeve column three structures, sleeve base includes bottom plate 1, the upper surface of bottom plate 1 is fixedly connected with multiple edge plates 2, the upper surface of multiple edge plates 2 is fixedly connected with threaded parts 3, the upper surface of threaded parts 3 is fixedly connected with two upper side plates 4 and inner connecting columns 5, inner connecting columns 5 are arranged on the inner side of upper side plates 4, upper side plates 4 are arranged in arc shape, an empty slot is arranged between two upper side plates 4, threaded grooves are arranged on the inner side surface of inner connecting columns 5, and annular grooves are arranged on the side surface of inner connecting columns 5;

[0024] The sleeve column includes a connecting plate 9, the lower surface of the connecting plate 9 is fixedly connected with two vertical columns 10, the upper surface of the connecting plate 9 is fixedly connected with an upper column 11, the upper surface of the upper column 11 is fixedly connected with a top block 12, the connecting plate 9 is placed on the upper surface of the upper side plate 4, and the vertical columns 10 are clamped and connected in the empty slot between the two upper side plates 4;

[0025] The sleeve pipe includes a connecting pipe 6, the upper surface of the connecting pipe 6 is fixedly connected with a torsion part 7, threaded grooves are arranged on the inner side surface of the connecting pipe 6, sleeve interfaces 8 are arranged on the upper surfaces of the connecting pipe 6 and the torsion part 7, the connecting pipe 6 is screw-connected to the outer side of the threaded part 3, and the upper column 11 extends to the upper side by penetrating the sleeve interface 8;

[0026] By arranging the sleeve base, the sleeve pipe and the sleeve column three structures, the sleeve column is inserted from the bottom of the sleeve pipe, the upper column 11 is penetrated into the sleeve interface 8 of the sleeve pipe, and then the upper end structure is combined, the sleeve column is clamped and connected above the sleeve base, and the sleeve pipe is sleeved on the outer side of the sleeve base, so that the overall combination of the tensioning tool is realized, the abrasion of the steel rod and the steel strand caused by tensioning is greatly reduced, the safety coefficient of engineering construction is improved, and the labor intensity is greatly reduced.

[0027] The function principle of the utility model can be described by the following operation modes:

[0028] By arranging the sleeve base, the sleeve pipe and the sleeve column three structures, the sleeve column is inserted from the bottom of the sleeve pipe, the upper column 11 is penetrated into the sleeve interface 8 of the sleeve pipe, and then the upper end structure is combined, the sleeve column is clamped and connected above the sleeve base, and the sleeve pipe is sleeved on the outer side of the sleeve base, so that the overall combination of the tensioning tool is realized, the abrasion of the steel rod and the steel strand caused by tensioning is greatly reduced, the safety coefficient of engineering construction is improved, and the labor intensity is greatly reduced.

[0029] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application. The technical solutions of the present application should be covered in the scope of the claims of the present application.

Claims

1. A prestressed steel bar fracture replacement steel strand tensioning tool, characterized in that, Including three structures of sleeve base, sleeve pipe and sleeve column, the sleeve base includes a bottom plate (1), the upper surface of the bottom plate (1) is fixedly connected with a multi-edge plate (2), the upper surface of the multi-edge plate (2) is fixedly connected with a threaded part (3), the upper surface of the threaded part (3) is fixedly connected with two upper side plates (4) and an inner connecting column (5), and the inner connecting column (5) is arranged on the inner side of the upper side plate (4).

2. The prestressed steel bar fracture replacement steel strand tensioning tool according to claim 1, characterized in that, Wherein: The upper side plate (4) is arranged in an arc shape, a hollow groove is arranged between the two upper side plates (4), a threaded groove is arranged on the inner side of the inner connecting column (5), and a ring-shaped groove is arranged on the side of the inner connecting column (5).

3. The prestressed steel bar fracture replacement steel strand tensioning tool according to claim 2, characterized in that, Wherein: The sleeve column includes a connecting plate (9), the lower surface of the connecting plate (9) is fixedly connected with two vertical columns (10), the upper surface of the connecting plate (9) is fixedly connected with an upper column (11), and the upper surface of the upper column (11) is fixedly connected with a top block (12).

4. The prestressed steel bar fracture replacement steel strand tensioning tool according to claim 3, characterized in that, Wherein: The connecting plate (9) is placed on the upper surface of the upper side plate (4), and the vertical column (10) is clamped and connected in the hollow groove between the two upper side plates (4).

5. The prestressed steel bar fracture replacement steel strand tensioning tool according to claim 3, characterized in that, Wherein: The sleeve pipe includes a connecting pipe (6), the upper surface of the connecting pipe (6) is fixedly connected with a torsion part (7), the inner side of the connecting pipe (6) is provided with a threaded groove, and the upper surfaces of the connecting pipe (6) and the torsion part (7) are both provided with a sleeve port (8).

6. The prestressed steel bar fracture replacement steel strand tensioning tool according to claim 5, characterized in that, Wherein: The connecting pipe (6) is threadedly connected to the outer side of the threaded part (3), and the upper column (11) penetrates through the sleeve port (8) and extends to the upper side.

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