CN211368410U - Be used for interim anchor of segment beam from dismantling frock - Google Patents

Abstract

The utility model discloses a self-demolition tooling for temporary anchoring of segment beams, which comprises a threaded steel inserted into a through hole on a top plate of a segment beam; The mounting column is coaxial with the threaded steel, and a receiving groove is opened in the middle of the mounting column, which penetrates through the mounting column from the side. One end of the rotating card is connected with a string; in the anchored state, the upper side of the rotating card is attached to the bottom surface of the top plate of the segment beam, and a nut is threaded on the threaded steel to clamp the rotating card The segment beam top plate is fixed; when the threaded steel is disassembled, the string pulls up one end of the rotating clamping plate, and the rotating clamping plate is positioned in the accommodating groove after being rotated. The utility model only needs to pull the string to control the rotation of the clamping plate to complete the loading and unloading of the tooling, which overcomes the problem of inconvenient operation in the prior art.

Description

A self-demolition tool for temporary anchoring of segment beams

technical field

The utility model belongs to the field of fixing tooling, in particular to a self-disassembling tooling used for temporary anchoring of segment beams.

Background technique

At present, in the field of bridge construction, when assembling segment beams after construction, due to the influence of the environment, usually only the top surfaces of the segment beam top plate and the bottom plate can be operated. When temporarily anchoring or hoisting, the finished rolled rebar or other steel rods are used for stress, and there is usually no operating platform at the bottom. Therefore, when installing the tooling for anchoring and fixing, the operator must reach under the top plate of the segment beam to operate the spacer and the nut, which is difficult to observe and inconvenient for hand movement, so it is easy to make mistakes during operation and reduce the fixation. Efficiency of each tooling.

Utility model content

The purpose of the present utility model is to provide a self-demolition tooling for temporary anchoring of segment beams, so as to solve the need to operate at the bottom of the top plate of segmental beams that are difficult to observe and operate in the prior art, thereby increasing the probability of errors and reducing the efficiency of fixing each tooling The problem.

The described self-demolition tooling for temporary anchoring of segment beams includes threaded steel inserted into through holes on the top plate of the segment beams, and a mounting column with a diameter not larger than the threaded steel is welded to the lower end of the threaded steel. The column is coaxial with the threaded steel, the middle of the mounting column is provided with a receiving groove that penetrates the mounting column from the side, a rotating shaft is fixed in the receiving groove, and a rotating card plate is rotatably connected through the rotating shaft. One end of the clamping plate is connected with a string; in the anchored state, the upper side of the rotating clamping plate is attached to the bottom surface of the top plate of the segment beam, and a nut is threaded on the threaded steel and the clamping and fixing position of the rotating clamping plate is The segment beam top plate; when disassembling and assembling the threaded steel, the string pulls up one end of the rotating clamping plate, and the rotating clamping plate is positioned in the accommodating groove after being rotated.

Preferably, the accommodating groove is open at the lower end of the installation column, and when the threaded steel is disassembled and assembled, the end of the rotating card plate that is not connected to the string is located directly below the installation column.

Preferably, the distance between the rotating shaft and one end of the rotating card is greater than the other end, the rotating card is provided with a rope groove at the far end of the rotating card, and the string is tied to the shaft in the rope groove. .

Preferably, the diameter of the through hole is larger than that of the threaded steel, and a gap for the string to pass through is left between the through hole and the threaded steel.

Preferably, the rope groove is located on one side of the end of the rotating card, and when the threaded steel is inserted into the through hole, the rope groove is located on the outer side of the upper end of the rotating card.

Preferably, the rotating card plate is a strip-shaped flat plate, the rotating card plate has shaft connecting holes penetrating from the left and right sides, the two sides of the mounting column are provided with shaft holes for inserting the rotating shaft, and the two ends of the rotating shaft are provided with shaft holes. After being inserted into the shaft hole and the shaft connection hole on the rotating card board, it is welded and fixed with the shaft hole.

The utility model has the following advantages:

The utility model does not use a backing plate, but uses a freely rotatable rotating card plate to iron the bottom of the top plate of the segment beam, and only needs to operate through the string passing through the through hole. Controls whether the rotating card board is received into the accommodating slot or the two ends of the rotating card board are rotated out of the accommodating slot. In this scheme, the center of gravity of the rotating clamping plate is higher than the rotating shaft when the rebar is placed, so that the rotating clamping plate can rotate under the action of its own weight only by loosening the string when rotating, avoiding the trouble of reaching the bottom of the top plate of the segment beam. During operation, only pulling the string can control the rotation of the card plate to complete the loading and unloading of the tooling, which overcomes the inconvenience of operation in the prior art, thereby increasing the probability of errors and reducing the efficiency of fixing the tooling.

Description of drawings

Fig. 1 is the structural representation of the utility model when in use;

2 is a schematic structural diagram of the utility model when the rotating clamping plate is opened and can be fixed with the segment beam top plate;

Fig. 3 is the front view of the utility model when rotating the clamping plate into the receiving groove and connecting the nut;

4 is a cross-sectional view of the structure shown in FIG. 3 in the direction A-A;

FIG. 5 is a partial enlarged view of the area A in the structure shown in FIG. 4 .

The reference signs in the above drawings are: 1, segment beam top plate, 2, through hole, 3, threaded steel, 4, mounting column, 5, rotating clamping plate, 6, nut, 7, accommodating groove, 8, rotating shaft , 9, string, 10, shaft hole, 11, shaft connection hole, 12, rope groove.

Detailed ways

Below with reference to the accompanying drawings, through the description of the embodiments, the specific embodiments of the present utility model will be described in further detail to help those skilled in the art to have a more complete, accurate and in-depth understanding of the utility model concept and technical solutions of the present utility model. .

As shown in Figures 1-5, the present invention provides a self-disassembly tool for temporary anchoring of segment beams, comprising a threaded steel 3 inserted into a through hole 2 on the top plate 1 of the segment beam, and the lower end of the threaded steel 3 is welded with A mounting post 4 with a diameter not larger than the threaded steel 3, the mounting post 4 is coaxial with the threaded steel 3, and a receiving groove 7 penetrating the mounting post 4 from the side is opened in the middle of the mounting post 4. A rotating shaft 8 is fixed in the accommodating groove 7, and a rotating card plate 5 is rotatably connected to the rotating shaft 8, and one end of the rotating card plate 5 is connected with a string 9; in the anchored state, the upper side of the rotating card plate 5 is attached On the bottom surface of the segment beam top plate 1, the threaded steel 3 is threadedly connected with a nut 6 and the rotating clamping plate 5 to clamp and fix the segment beam top plate 1; The string 9 pulls up one end of the rotating card plate 5 , and the rotating card plate 5 is positioned in the accommodating groove 7 after being rotated.

In the present invention, the part of the threaded steel 3 passing through the through hole and located below the segment beam top plate 1 can also be regarded as the mounting column 4 , and a receiving groove 7 is directly formed in the lower part of the threaded steel 3 .

The accommodating slot 7 is open at the lower end of the mounting column 4 , and the end of the rotating card 5 that is not connected to the string 9 is located directly below the mounting column 4 when the threaded steel 3 is disassembled.

The distance between the rotating shaft 8 and one end of the rotating card 5 is greater than the other end. The rotating card 5 is provided with a rope groove 12 at the far end of the rotating card 5 from the rotating shaft 8, and the string 9 is tied to the rope groove 12. on the axis.

The diameter of the through hole 2 is larger than that of the threaded steel 3 , and a gap for the string 9 to pass through is left between the through hole 2 and the threaded steel 3 .

The rope groove 12 is located on the side of the end of the rotating card plate 5 . When the threaded steel 3 is inserted into the through hole 2 , the rope groove 12 is located on the outer side of the upper end of the rotating card plate 5 .

The rotating card plate 5 is a strip-shaped flat plate, and the rotating card plate 5 has shaft connecting holes 11 penetrating from the left and right sides. Both ends of the rotating shaft 8 are inserted into the shaft hole 10 and the shaft connecting hole 11 on the rotating card plate 5 and then welded and fixed to the shaft hole 10 .

When the utility model is in use, first pull the string 9 upward to pull the end of the rotating card plate 5 connected with the string 9 to the top, until the rotating card plate 5 enters the accommodating groove 7 as a whole and does not affect the insertion of the installation column 4. The other end of the rotating card plate 5 is below the installation column 4 or in the accommodating groove 7. At this point, the mounting column 4 and the threaded steel 3 can be inserted into the through hole 2 of the segment beam until the part of the mounting column 4 with the accommodating groove 7 passes through the through hole 2, and then the string 9 is loosened. The distance from the end where the string 9 is provided is far, so the center of gravity of the rotating card 5 is higher than the rotating shaft 8. After loosening the string 9, the rotating card 5 automatically rotates under the action of gravity, so that when the two ends of the rotating card 5 are located in the accommodating groove 7 When outside, you can pull up the threaded steel 3, so that the top of the rotating clamp 5 touches the bottom of the segment beam top plate 1. Note that the string 9 cannot be completely loosened at this time, and it should be ensured that the two ends of the rotating clamp 5 are pulled. It can be in contact with the segment beam top plate 1 when it is tight. After tightening the threaded steel 3, keep the nut 6 connected to the threaded steel 3, tighten the nut 6 to fix the tool on the segment beam, and prepare for anchoring or lifting after the position. When the tooling needs to be disassembled, the staff only needs to remove the nut 6, loosen the string 9 and lower the threaded steel 3 at the same time. When the segment beam top plate 1 is no longer in contact with the rotating clamp plate 5, the rotating clamp plate 5 can be free. When rotating, the rotating card plate 5 naturally rotates so that the end connected with the string 9 is rotated to the bottom of the installation column 4, and the other parts of the rotating card plate 5 enter the accommodating groove 7 so as not to prevent the tool from being pulled out from the through hole 2. At this time, the tool is proposed. That's it.

The present utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the present utility model is not limited by the above-mentioned methods. Or directly applying the concept and technical solution of the present invention to other occasions without improvement are within the protection scope of the present invention.

Claims (6)

1. The utility model provides a be used for interim anchor of segmentation roof beam from dismantling frock, includes screw-thread steel (3) that insert through-hole (2) on segmentation roof beam roof board (1), its characterized in that: the lower end of the deformed steel bar (3) is welded with an installation column (4) with the diameter not larger than that of the deformed steel bar (3), the installation column (4) is coaxial with the deformed steel bar (3), an accommodating groove (7) penetrating through the installation column (4) from the side is formed in the middle of the installation column (4), a rotating shaft (8) is fixed in the accommodating groove (7) and is rotatably connected with a rotating clamping plate (5) through the rotating shaft (8), and one end of the rotating clamping plate (5) is connected with a string (9); in an anchoring state, the upper side of the rotating clamping plate (5) is attached to the bottom surface of the section beam top plate (1), and a nut (6) is connected to the threaded steel (3) in a threaded manner and clamps and fixes the section beam top plate (1) with the rotating clamping plate (5); when the deformed steel bar (3) is disassembled and assembled, one end of the rotating clamping plate (5) is pulled up by the thin rope (9), and the rotating clamping plate (5) is positioned in the accommodating groove (7) after being rotated.

2. The self-disassembling tool for temporary anchoring of the section beam as claimed in claim 1, wherein: the holding tank (7) is arranged at the lower end of the mounting column (4) and is opened, and when the deformed steel bar (3) is disassembled and assembled, one end of the rotating clamping plate (5) which is not connected with the thin rope (9) is located under the mounting column (4).

3. The self-disassembling tool for temporary anchoring of the section beam as claimed in claim 2, wherein: the distance between the rotating shaft (8) and one end of the rotating clamping plate (5) is larger than that between the rotating shaft and the other end of the rotating clamping plate, a rope groove (12) is formed in one end, far away from the rotating shaft (8), of the rotating clamping plate (5), and the thin rope (9) is tied to a shaft in the rope groove (12).

4. The self-disassembling tool for temporary anchoring of the section beam as claimed in claim 3, wherein: the diameter of the through hole (2) is larger than that of the deformed steel bar (3), and a gap for the thin rope (9) to pass through is reserved between the through hole (2) and the deformed steel bar (3).

5. The self-disassembling tool for temporary anchoring of the section beam as claimed in claim 4, wherein: the rope groove (12) is located on one side of the end portion of the rotating clamping plate (5), and when the deformed steel bar (3) is inserted into the through hole (2), the rope groove (12) is located on one side, facing outwards, of the upper end of the rotating clamping plate (5).

6. The self-disassembling tool for temporary anchoring of the section beam as claimed in claim 5, wherein: the rotary clamping plate (5) is a strip-shaped flat plate, the rotary clamping plate (5) is provided with shaft connecting holes (11) which are communicated from the left side surface and the right side surface, shaft holes (10) which are inserted with the rotary shaft (8) are formed in two sides of the mounting column (4), and the two ends of the rotary shaft (8) are inserted into the shaft holes (10) and are welded and fixed with the shaft holes (10) after the shaft connecting holes (11) in the rotary clamping plate (5) are formed.

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