CN212900092U - Assembled push pipe back - Google Patents

Abstract

The utility model provides an assembled pipe jacking back rest, which comprises a first stress plate, a second stress plate and a connecting column, wherein one end of the connecting column is connected with the side wall of the first stress plate, and the other end of the connecting column is connected with the side wall of the second stress plate; the side wall of the second stress plate is provided with a groove into which the connecting column can be inserted, one end of the connecting column, which is connected with the connecting column, is provided with a plurality of first through holes, the second stress plate is provided with a second through hole which penetrates through the groove from top to bottom, and a fixing rod is detachably arranged in one of the first through hole and the second through hole; the first stress plate and the second stress plate are provided with a second hoisting hole and a hoisting ring; the first stress plate side wall is provided with a first limiting block, the connecting column is provided with a second limiting block, and a stabilizing rod is detachably arranged between the first limiting block and the second limiting block. The utility model discloses can reuse and can adapt to multiple job site.

Description

Assembled push pipe back

Technical Field

The utility model relates to a construction equipment technical field, concretely relates to back behind assembled push pipe.

Background

In the underground pipe jacking construction, the back rest is mainly a wall body used for bearing the jacking force of a jack in the pipe jacking construction process. In the whole construction process, the pressure generated by the jacking pipe is completely concentrated on the rear backrest, and the stability and the bearing capacity of the rear backrest play an important role in the construction of the whole underground jacking pipe. However, the conventional practice of the current backrest is a thicker reinforced concrete wall, and the construction is carried out by binding the reinforcing steel bars with the inner lining wall and pouring concrete integrally. Although the back rest meets the requirements of stable structure and strong bearing capacity, the cast-in-place structure takes a long time from the formwork support to the pouring and then the concrete reaches the setting stage, and the back rest has no utilization value after the back rest of the reinforced concrete is finished at one time, so that the waste of the reinforced steel bar and the concrete material is large.

Therefore, a push pipe rear backrest which can be repeatedly used and can adapt to various construction sites needs to be designed.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model aims at providing a back behind assembled push pipe, for solving above-mentioned technical problem, the utility model discloses a following technical scheme realizes:

an assembled pipe jacking rear backrest comprises a first stress plate, a second stress plate and a connecting column, wherein one end of the connecting column is connected with the side wall of the first stress plate, and the other end of the connecting column is connected with the side wall of the second stress plate;

the side wall of the second stress plate is provided with a groove into which the connecting column can be inserted, one end of the connecting column, which is connected with the connecting column, is provided with a plurality of first through holes, the second stress plate is provided with a second through hole which penetrates through the groove from top to bottom, and a fixing rod is detachably arranged in one of the first through hole and the second through hole;

the first stress plate is provided with a first hoisting hole and a hoisting ring, and the second stress plate is provided with a second hoisting hole and a hoisting ring;

the first stress plate side wall is provided with a first limiting block, the connecting column is provided with a second limiting block, and a stabilizing rod is detachably arranged between the first limiting block and the second limiting block.

Advantageously, said connecting column is provided in plurality.

Advantageously, the two ends of the stabilizer bar abut against the side walls of the first stopper and the second stopper, respectively.

Advantageously, the upper end of the fixing rod is screwed with the nut.

Beneficially, the material of spliced pole is the steel pipe.

Advantageously, the outer diameter of the connecting column is between 10 and 20 cm.

The utility model discloses it does to have following beneficial effect:

1. the fixing, the dismounting and the length adjustment of the connecting column are realized through the groove, the second through hole and the fixing rod;

2. the back of the jacking pipe is conveniently hoisted through the first hoisting hole, the second hoisting hole and the hoisting ring;

3. the stability of the connecting column is enhanced through the first limiting block, the second limiting block and the stabilizing rod;

4. the utility model discloses reuse rate is high, and resources are saved improves the efficiency of construction.

Drawings

The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of a second force-bearing plate of the present invention.

Reference numerals: the structure comprises a first stress plate 1, a second stress plate 2, a connecting column 3, a first through hole 4, a fixing rod 5, a nut 6, a groove 7, a first hoisting hole 8, a second hoisting hole 9, a first limiting block 10, a second limiting block 11, a stabilizer bar 12, a second through hole 13 and a hoisting ring 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

As shown in fig. 1-2, an assembled top tube backrest comprises a first stress plate 1, a second stress plate 2 and a connecting column 3, wherein one end of the connecting column 3 is connected with the side wall of the first stress plate 1, and the other end of the connecting column 3 is connected with the side wall of the second stress plate 2;

the side wall of the second stress plate 2 is provided with a groove 7 into which the connecting column 3 can be inserted, one end of the connecting column 3, which is connected with the connecting column 3, is provided with a plurality of first through holes 4, the second stress plate 2 is provided with second through holes 13 which penetrate through the groove 7 from top to bottom, and the fixing rod 5 is detachably arranged in one of the first through holes 4 and the second through holes 13;

the first stress plate 1 is provided with a first hoisting hole 8 and a hoisting ring 14, and the second stress plate 2 is provided with a second hoisting hole 9 and a hoisting ring 14;

the side wall of the first stress plate 1 is provided with a first limiting block 10, the connecting column 3 is provided with a second limiting block 11, and a stabilizing rod 12 is detachably arranged between the first limiting block 10 and the second limiting block 11.

According to an alternative embodiment of the present invention, the connecting column 3 is provided in plurality.

According to the utility model discloses an in an optional embodiment, the stabilizer bar 12 both ends lean on respectively first stopper 10 lateral wall with second stopper 11 lateral wall.

According to an alternative embodiment of the present invention, the upper end of the fixing rod 5 is screwed with the nut 6.

According to the utility model discloses an in an optional embodiment, the material of spliced pole 3 is the steel pipe.

In an alternative embodiment of the invention, the connecting column has an outer diameter of 10-20 cm.

The implementation process comprises the following steps: inserting the connecting column 3 into the groove 7, selecting one of the first through holes 4 to be aligned with the second through hole 13 according to the actual situation of a construction site, then inserting the fixing rod 5 into one of the first through holes 4 and the second through hole 13, and connecting the upper end of the fixing rod 5 with the upper end of the nut 6 through threads, so that the second stress plate 2 is fixed on the connecting column 3, and the length of the connecting column 3 is adjusted;

two ends of the stabilizer bar 12 respectively abut against the side wall of the first limiting block 10 and the side wall of the second limiting block 11, and the first stress plate 1, the connecting column 3 and the stabilizer bar 12 form a triangle, so that the stability of the backrest after the pipe jacking is enhanced;

during the construction of the jacking pipe, the first hoisting hole 8, the second hoisting hole 9 and the hoisting ring 14 are directly connected by the hoisting device, and the backrest behind the jacking pipe is hoisted to a jacking pipe well without temporary pouring, so that the construction time is greatly saved, and reinforcing steel bars and concrete materials are also saved.

Simultaneously, after using up directly hang out can, realized reuse, the utility model discloses simple structure, excellent in use effect easily uses widely.

The utility model can conveniently adjust the length of the connecting column 3 and conveniently disassemble and assemble the backrest behind the pipe-jacking according to the specific construction conditions through the first through hole 4, the second hoisting hole 9 and the fixing rod 5, thereby saving space during storage; the hoisting is conveniently realized through the first hoisting hole 8, the second hoisting hole 9 and the hoisting ring 14; the stability of the connecting column 3 is enhanced through the first limiting block 10, the second limiting block 11 and the stabilizing rod 12; and simultaneously the utility model discloses reuse rate is high, and resources are saved improves the efficiency of construction.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention 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 invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims (6)

1. An assembled pipe jacking rear backrest is characterized by comprising a first stress plate (1), a second stress plate (2) and a connecting column (3), wherein one end of the connecting column (3) is connected with the side wall of the first stress plate (1), and the other end of the connecting column (3) is connected with the side wall of the second stress plate (2);

a groove (7) into which the connecting column (3) can be inserted is formed in the side wall of the second stress plate (2), a plurality of first through holes (4) are formed in one connecting end of the connecting column (3) and the connecting column (3), a second through hole (13) penetrating through the groove (7) from top to bottom is formed in the second stress plate (2), and a fixing rod (5) is detachably arranged in one of the first through hole (4) and the second through hole (13);

the first stress plate (1) is provided with a first hoisting hole (8) and a hoisting ring (14), and the second stress plate (2) is provided with a second hoisting hole (9) and a hoisting ring (14);

the first stress plate (1) side wall is provided with a first limiting block (10), the connecting column (3) is provided with a second limiting block (11), and a stabilizing rod (12) is detachably arranged between the first limiting block (10) and the second limiting block (11).

2. A fabricated push pipe backrest as claimed in claim 1, wherein said connecting post (3) is provided in plurality.

3. The fabricated pipe jacking back rest as claimed in claim 2, wherein both ends of the stabilizer bar (12) respectively abut against the side wall of the first stopper (10) and the side wall of the second stopper (11).

4. A fabricated pipe jacking rear backrest as claimed in claim 3, wherein the upper end of said fixing rod (5) is screw-connected with nut (6).

5. The fabricated pipe-jacking rear backrest as claimed in claim 4, wherein the connecting column (3) is made of steel pipe.

6. The fabricated pipe jacking back rest as claimed in any one of claims 1 to 5, wherein the outer diameter of the connecting column is 10-20 cm.

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