Supporting structure used for pipeline pit excavation and used for combined reinforcing and supporting

Abstract

The utility model discloses a supporting structure for pipeline pit excavation of a combined reinforced support, and belongs to the technical field of pipeline construction. The protection set is composed of two plates which are symmetrically arranged, the two plates are each composed of a fixed plate, a first sliding plate and a second sliding plate, two grooves are formed in the inner side of each fixed plate, and the first sliding plates and the second sliding plates are arranged in the grooves respectively; the two supports are arranged between the first sliding plate and the second sliding plate, and each support is composed of a first telescopic rod and a second telescopic rod. The supporting structure solves the problem that the stability between the supporting structure and a pit wall is not enough due to the fact that soil on the pit wall is easily scoured by an existing supporting structure in rainy days, and the area between the supporting structure and the pit wall can be adjusted through the sliding plate according to the size of the pipe pit. And a plurality of inserting cones are arranged on one surface close to the pit wall to increase the stability between the pipe pit and the pipe pit, and a triangle is formed between the support and the two plates to stabilize the plates and prevent the plates from falling off from the pit wall.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline construction, in particular to a combined reinforced support supporting structure used for pipeline pit excavation. Background Art

[0002] Pipeline construction is carried out by excavating pipe pits where the pipelines need to be laid. The pipe pits are generally excavated in sections, following the sequence of support, pipe laying, and backfilling. Support is one of the most important tasks in carrying out pipe pit operations, which prevents the safety of the pipe pit during excavation and avoids foundation pit collapse.

[0003] Patent application number CN202322253320.5 discloses a support structure for pipeline pit excavation, the support structure includes several rows of steel sheet piles arranged in parallel at intervals, the steel sheet piles include a first steel sheet pile and a second steel sheet pile, the first steel sheet pile and the second steel sheet pile are respectively provided with a first steel waist beam and a second steel waist beam on the surface of the opposite side, the first steel waist beam and the second steel waist beam are arranged oppositely, and a steel pipe inner support is welded between the first steel waist beam and the second steel waist beam. The support structure of this patent is a support system composed of several rows of steel sheet piles, steel waist beams, and steel pipe inner supports. By setting steel pipe inner supports, the support structure can be reinforced to ensure the safety of the support structure.

[0004] The existing support structure for pipe pit support is easily washed away by the soil on the pit wall in rainy weather, which leads to the problem of insufficient stability between the support structure and the pit wall.

[0005] Therefore, in order to solve the above problems, a combined reinforced support structure for pipeline pit excavation is proposed. Utility Model Content

[0006] The purpose of the utility model is to provide a combined reinforced support support structure for pipeline pit excavation, so as to solve the problem proposed in the above background technology that the existing support structure is easily washed away by the soil on the pit wall in rainy weather, resulting in insufficient stability between the support structure and the pit wall.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined reinforced support supporting structure for pipeline pit excavation, comprising a protection group, which is composed of two symmetrically arranged plates, the two plates are respectively composed of a fixed plate, a first slide plate and a second slide plate, and two grooves are provided on the inner side of the fixed plate, and the first slide plate and the second slide plate are respectively arranged in the grooves;

[0008] The bracket is provided with two groups, the two brackets are located between the first slide plate and the second slide plate, and the two brackets are composed of a telescopic rod 1 and a telescopic rod 2.

[0009] Preferably, a plurality of equally spaced insert cones 1 are provided on the back side of the two fixed plates, and a plurality of equally spaced insert cones 2 are provided on the inner sides of the two first sliding plates and the second sliding plates.

[0010] Preferably, a plurality of openings 1 are provided in each of the two grooves, and the plurality of openings 1 are movably connected to the insert cone 2.

[0011] Preferably, the inner surfaces of the two grooves are each provided with a plurality of slide grooves, and the inner sides of the two first slide plates and the second slide plates are each provided with a slide block for moving in the slide grooves.

[0012] Preferably, the front ends of the two telescopic rods are each provided with a mounting plate, a recess is provided on both sides of the telescopic rod near the mounting plate, the front ends of the two telescopic rods are provided with two movable rods, the four movable rods are all located outside the recess and are movably connected to the recess.

[0013] Preferably, the tail ends of the two telescopic rods are movably connected to the mounting plate 2, the front surfaces of the two mounting plates are each provided with two movable rods 2, the two telescopic rods 2 are each provided with a recess 2 near the mounting plate 2, the four movable rods 2 are all located outside the recess 2 and are movably connected to the recess 2.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The slide plate of the utility model is arranged on both sides of the fixed plate and can be adjusted according to the size of the pipe pit, so as to increase the area between the support structure and the pit wall, and a plurality of insert cones are arranged on one side close to the pit wall, so as to increase the friction and stability between the support and the pipe pit, and improve the protection effect of the support;

[0016] The two groups of brackets of the utility model can be fixed at appropriate positions between the supporting structures according to actual needs. The bracket forms a triangle between the bracket and the two plates to stabilize the stability between the two plates and prevent them from falling from the pit wall. The combined structure is used to improve the convenience of installation of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the split structure of the protection group of the utility model;

[0019] Figure 3 This is a schematic diagram of the support structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the cone inserting structure of the utility model;

[0021] Figure 5This is a schematic diagram of the support profile of the utility model Figure 1 ;

[0022] Figure 6 This is a schematic diagram of the support profile of the utility model Figure 2 .

[0023] In the figure: 1. protection group; 101. fixed plate; 102. first slide plate; 103. second slide plate; 104. groove; 105. opening one; 2. bracket; 201. telescopic rod one; 202. mounting plate one; 203. recess one; 204. telescopic rod two; 205. movable rod one; 206. mounting plate two; 207. movable rod two; 208. recess two; 3. insert cone one; 4. insert cone two; 5. slide groove; 6. slider. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In order to solve the technical problems in the prior art, please refer to Figure 1-6 , providing the following technical solutions:

[0026] The utility model discloses a combined reinforcement support supporting structure for pipeline pit excavation: a protection group 1 is composed of two symmetrically arranged plates, the two plates are respectively composed of a fixed plate 101, a first slide plate 102 and a second slide plate 103, two grooves 104 are provided on the inner side of the fixed plate 101, the first slide plate 102 and the second slide plate 103 are respectively arranged in the grooves 104, a plurality of equally distributed plug cones 3 are provided on the back of the two fixed plates 101, a plurality of equally distributed plug cones 4 are provided on the inner sides of the two first slide plates 102 and the second slide plates 103, a plurality of openings 105 are provided in the two grooves 104, and the plurality of openings 105 are movably connected with the plug cones 4, such as Figure 1 , Figure 4 , Figure 5 and Figure 6 As shown, the main structural plate of the support structure is a structure formed by a fixed plate 101 and a first slide plate 102 and a second slide plate 103 with two left and right grooves 104, which fit the pit wall. The first slide plate 102 and the second slide plate 103 on both sides can be expanded outward from both sides of the fixed plate 101 to expand the area of ​​the structure, so that it can be adjusted according to the pit walls of different widths. As shown in the figure, a plurality of insert cones 1 3 and 2 4 are arranged on the side close to the pit wall, which can be inserted into the soil of the pit wall to increase stability. Figure 4As shown, the front ends of the insert cone 1 3 and the insert cone 2 4 are provided with barbs, which can increase the resistance after they are embedded in the soil and ensure the stability of the support structure.

[0027] In this embodiment, the inner surfaces of the two grooves 104 are provided with a plurality of slide grooves 5, and the inner sides of the two first slide plates 102 and the second slide plate 103 are provided with slide blocks 6 for moving in the slide grooves 5. Figure 2 As shown, the slide groove 5 opened on the surface of the groove 104 allows the first slide plate 102 and the second slide plate 103 to move therein respectively through the slider 6, so as to adjust the outward expansion distance of the first slide plate 102 and the second slide plate 103.

[0028] In the present embodiment, two groups of brackets 2 are provided, and the two brackets 2 are located between the first slide 102 and the second slide 103. The two brackets 2 are composed of a telescopic rod 1 201 and a telescopic rod 2 204. The front ends of the two telescopic rods 201 are provided with a mounting plate 1 202. The telescopic rod 1 201 is provided with a recess 1 203 on both sides near the mounting plate 1 202. The front ends of the two telescopic rods 204 are provided with two movable rods 1 205. The four movable rods 1 205 are all located outside the recess 1 203 and are movably connected to the recess 1 203. The tail ends of the two telescopic rods 204 are movably connected with a mounting plate 206. The front surfaces of the two mounting plates 206 are provided with two movable rods 207. The two telescopic rods 204 are provided with a recess 208 near the mounting plate 206. The four movable rods 207 are all located outside the recess 208 and are movably connected to the recess 208. Figure 3 As shown, the two groups of brackets 2 are respectively fixed on the inner sides of the two plates in the protection group 1, and can be symmetrically arranged. The tail ends of the telescopic rods 201 of the brackets 2 are respectively fixed on the plates, and the lengths of the telescopic rods 201 and 204 can be adjusted according to the distance between the two plates. At the same time, the telescopic rods 201 are fixed to the opposite plates through the mounting plate 202 at the front end. The telescopic rods 204 are arranged to adjust the angle with the recess 203 based on the movable rod 205. The mounting plate 206 arranged at the tail end of the telescopic rods 204 is used to be fixed on the inner side of the plate, and the mounting angle can be adjusted based on the movable rod 207.

[0029] Working principle: The support structure needs to be installed in the previously excavated pipe pit. First, the two plates in the protection group 1 are respectively attached to the inner wall of the pipe pit. At this time, the first slide plate 102 and the second slide plate 103 on both sides of the two fixed plates 101 are adjusted according to the size of the pipe pit. When unfolded, the first slide plate 102 and the second slide plate 103 move outwards respectively. At this time, the plug cone 2 4 fixed on the inner side of the first slide plate 102 and the second slide plate 103 also slides along the opening 105 in the groove 104. At this time, the plug cone 2 4 and the plug cone 1 3 can be respectively inserted into the inner wall of the fitted pipe pit. Then, the two sets of brackets are connected. 2 Install the rear end of the telescopic rod 201 on the panel surface according to the actual position, and install the bracket 2 symmetrically, then adjust the length of the telescopic rod 201 according to the distance from the opposite panel, and then fix it through the front mounting plate 202, and the telescopic rod 204 movably installed at the notch 203 of the telescopic rod 201, first adjust the length of the telescopic rod 204 according to the actual distance, then install the mounting plate 206 at the rear end of the telescopic rod 204 on the same panel surface as the rear end of the telescopic rod 201, and adjust the mounting angle of the mounting plate 206 according to the actual installation needs, and complete the installation.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined reinforced support structure for pipeline pit excavation, characterized in that: include The protection group (1) is composed of two symmetrically arranged plates, the two plates respectively consisting of a fixed plate (101), a first slide plate (102) and a second slide plate (103), the inner side of each of the fixed plates (101) is provided with two grooves (104), and the first slide plate (102) and the second slide plate (103) are respectively arranged in the grooves (104); The brackets (2) are provided in two groups. The two brackets (2) are located between the first slide plate (102) and the second slide plate (103). The two brackets (2) are composed of a telescopic rod 1 (201) and a telescopic rod 2 (204).

2. A combined reinforced support structure for pipeline pit excavation according to claim 1, characterized in that: The back sides of the two fixed plates (101) are provided with a plurality of equally spaced insert cones (3), and the inner sides of the two first slide plates (102) and the second slide plates (103) are provided with a plurality of equally spaced insert cones (4).

3. The combined reinforced support structure for pipeline pit excavation according to claim 1 is characterized in that: A plurality of openings (105) are provided in each of the two grooves (104), and the plurality of openings (105) are movably connected to the second insert cone (4).

4. The combined reinforced support structure for pipeline pit excavation according to claim 1 is characterized in that: The inner surfaces of the two grooves (104) are each provided with a plurality of slide grooves (5), and the inner sides of the two first slide plates (102) and the second slide plates (103) are each provided with a slide block (6) for moving in the slide grooves (5).

5. The combined reinforced support structure for pipeline pit excavation according to claim 1 is characterized in that: The front ends of the two telescopic rods (201) are each provided with a mounting plate (202), and both sides of the telescopic rod (201) near the mounting plate (202) are provided with a recess (203), and the front ends of the two telescopic rods (204) are provided with two movable rods (205), and the four movable rods (205) are all located outside the recess (203) and are movably connected to the recess (203).

6. A combined reinforced support structure for pipeline pit excavation according to claim 5, characterized in that: The tail ends of the two telescopic rods (204) are movably connected to the mounting plate (206), the front surfaces of the two mounting plates (206) are each provided with two movable rods (207), the two telescopic rods (204) are each provided with a recess (208) near the mounting plate (206), and the four movable rods (207) are each located outside the recess (208) and movably connected to the recess (208).

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