Comprehensive pipe gallery supporting device adopting pipe-roofing underground excavation method

Abstract

The utility model provides a comprehensive pipe gallery supporting device adopting a pipe roof underground excavation method. The comprehensive pipe gallery supporting device comprises a plurality of supporting units, a connecting mechanism and a plurality of positioning mechanisms. The supporting units are arranged in a pipe curtain structure of the comprehensive pipe gallery side by side in the length direction of the comprehensive pipe gallery at intervals. Each positioning mechanism is arranged between any two adjacent supporting units so as to position the positions of the two adjacent supporting units; the connecting mechanisms are transversely arranged between the supporting units in the length direction of the comprehensive pipe gallery so as to connect the supporting units. According to the utility model, each positioning mechanism is used for positioning the positions of the two adjacent supporting units, so that the distance between the two adjacent supporting units can be effectively ensured, the distances between the supporting units are the same, and the supporting units are connected together through the connecting mechanism, so that the stability between the supporting units is ensured; and it can be guaranteed that the distances between the supporting units are kept consistent, the supporting units are installed more accurately, and then the stability of the comprehensive pipe gallery is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of utility tunnel construction, and particularly relates to a support device for a utility tunnel by the pipe roof excavation method. Background Technique

[0002] At the present stage, the construction of utility tunnels has become more and more extensive, and most of them are constructed in densely built-up areas. When passing through busy intersections, important structures, and underground pipelines, it is impossible to construct utility tunnels by the open cut method, but the pipe roof excavation method and other excavation methods are used to construct utility tunnels.

[0003] In the traditional initial support method for pipe roof construction, errors are likely to occur in the spacing during installation, which affects the overall force and further affects the stability of the utility tunnel. Content of the Utility Model

[0004] In view of this, the utility model provides a support device for a utility tunnel by the pipe roof excavation method, aiming to solve the problem that the spacing of the initial support method in pipe roof construction in the prior art is prone to errors.

[0005] The utility model provides a support device for a utility tunnel by the pipe roof excavation method, which includes: a plurality of support units, a connection mechanism, and a plurality of positioning mechanisms; wherein, each support unit is used to be arranged side by side and at intervals along the length direction of the utility tunnel in the pipe roof structure of the utility tunnel; each positioning mechanism is respectively arranged between any two adjacent support units for positioning the positions of the two adjacent support units; the connection mechanism is horizontally arranged between each support unit along the length direction of the utility tunnel for connecting each support unit.

[0006] Further, in the above support device for a utility tunnel by the pipe roof excavation method, each support unit includes: two horizontally arranged steel arches arranged side by side and two vertically arranged steel arches arranged side by side; wherein, the two ends of each vertical steel arch are respectively connected to the two ends on the same side of the two horizontal steel arches, and the two horizontal steel arches and the two vertical steel arches form a support ring structure with a hollow interior and a rectangular shape.

[0007] Further, in the above support device for a utility tunnel by the pipe roof excavation method, each support unit further includes: four inclined reinforcing members; wherein, the four reinforcing members are respectively arranged at the four corners inside the support ring structure, and the two ends of each reinforcing member are respectively connected to the adjacent horizontal steel arch and vertical steel arch.

[0008] Further, in the above support device for a utility tunnel by the pipe roof excavation method, each reinforcing member is a steel corbel.

[0009] Furthermore, in the above-described pipe-shed tunneling method integrated pipe gallery support device, the connecting mechanism includes: a plurality of connecting members; wherein, on one side of each horizontal steel arch and each vertical steel arch of each support unit facing the center of the support ring structure, a plurality of accommodation grooves are provided, and the positions of the accommodation grooves in each support unit correspond to each other one by one; each connecting member extends along the length direction of the integrated pipe gallery, and each connecting member is inserted into the accommodation grooves at corresponding positions in each support unit.

[0010] Furthermore, in the above-described pipe-shed tunneling method integrated pipe gallery support device, each connecting member is welded to the corresponding accommodation groove in each support unit.

[0011] Furthermore, in the above-described pipe-shed tunneling method integrated pipe gallery support device, the accommodation grooves on each horizontal steel arch of each support unit are spaced and evenly distributed along the length direction of the horizontal steel arch; the accommodation grooves on each vertical steel arch of each support unit are spaced and evenly distributed along the length direction of the vertical steel arch.

[0012] Furthermore, in the above-described pipe-shed tunneling method integrated pipe gallery support device, each positioning mechanism includes: a positioning rod and two sleeves; wherein, the two sleeves are respectively arranged on the opposite side walls of two adjacent support units; two protruding parts are arranged at both ends of the positioning rod, both protruding parts are perpendicular to the positioning rod and are located on the same side of the positioning rod, the positioning rod is placed between two adjacent support units, and the two protruding parts are respectively inserted into the two sleeves of two adjacent support units.

[0013] Furthermore, in the above-described pipe-shed tunneling method integrated pipe gallery support device, at least one positioning mechanism is arranged between the horizontal steel arches at corresponding positions and between the vertical steel arches at corresponding positions of two adjacent support units.

[0014] Furthermore, in the above-described pipe-shed tunneling method integrated pipe gallery support device, concrete is sprayed between each support unit and the pipe-shed structure, and a steel mesh is arranged in the concrete.

[0015] In the present utility model, each support unit is arranged in the pipe-shed structure at intervals along the length direction of the integrated pipe gallery. Each positioning mechanism positions the positions of two adjacent support units, which can effectively ensure the distance between two adjacent support units, so that the distances between each support unit are the same. The connecting mechanism connects each support unit together, ensuring the stability between each support unit, and can also ensure that the distances between each support unit remain consistent, avoiding errors in the distances between each support unit, making the installation of the support unit more accurate, and further ensuring the stability of the integrated pipe gallery, solving the problem that the distances in the initial support method of pipe-shed construction in the prior art are prone to errors. Description of the Drawings

[0016] Various other advantages and benefits will become clear to those of ordinary skill in the art by reading the following detailed description of the preferred embodiments. The drawings are only for the purpose of showing the preferred embodiments and are not considered to be a limitation of the present utility model. Moreover, throughout the drawings, the same reference numerals are used to represent the same components. In the drawings:

[0017] Figure 1 is a schematic structural diagram of the supporting device for the pipe-shed tunneling method integrated pipe gallery provided by an embodiment of the present utility model;

[0018] Figure 2 is a schematic cross-sectional structural diagram of the supporting device for the pipe-shed tunneling method integrated pipe gallery provided by an embodiment of the present utility model;

[0019] Figure 3 is a schematic elevation structural diagram of the supporting device for the pipe-shed tunneling method integrated pipe gallery provided by an embodiment of the present utility model;

[0020] Figure 4 is a schematic structural diagram of the positioning mechanism in the supporting device for the pipe-shed tunneling method integrated pipe gallery provided by an embodiment of the present utility model. Detailed Embodiments

[0021] Hereinafter, exemplary embodiments of the present disclosure will be described in more detail with reference to the drawings. Although the exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present disclosure can be more thoroughly understood and the scope of the present disclosure can be completely conveyed to those skilled in the art. It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other. Hereinafter, the present utility model will be described in detail with reference to the drawings and in combination with the embodiments.

[0022] See Figures 1 to 3 , which shows the preferred structure of the supporting device for the pipe-shed tunneling method integrated pipe gallery in this embodiment. As shown in the figure, the supporting device for the pipe-shed tunneling method integrated pipe gallery includes: a plurality of supporting units 1, a connecting mechanism, and a plurality of positioning mechanisms 2. Among them, the supporting units 1 are arranged in parallel along the length direction of the integrated pipe gallery, and each supporting unit 1 is spaced apart and arranged within the pipe-shed structure 3 of the integrated pipe gallery. Specifically, before the supporting device is arranged, the pipe-shed structure 3 has been installed, and the supporting units 1 are arranged at intervals along the length direction of the integrated pipe gallery. Moreover, the distance between two adjacent supporting units 1 can be determined according to the actual situation, and this embodiment does not make any limitation thereto.

[0023] Each positioning mechanism 2 is respectively arranged between any two adjacent support units 1, and each positioning mechanism 2 is used to position the positions of two adjacent support units 1. Specifically, at least one positioning mechanism 2 is arranged between two adjacent support units 1, and the positioning mechanism 2 between two adjacent support units 1 positions the two adjacent support units 1.

[0024] The connecting mechanism is horizontally arranged between each support unit 1 along the length direction of the utility tunnel, and the connecting mechanism is used to connect each support unit 1. Specifically, the connecting mechanism extends along the length direction of the utility tunnel, and the connecting mechanism is horizontally arranged between each support unit 1 to connect each support unit 1.

[0025] Preferably, concrete is sprayed between each support unit 1 and the pipe roof structure 3, and a steel mesh is arranged in the concrete so that the support unit 1 forms a closed structure.

[0026] During specific implementation, the pipe roof structure 3 is a steel pipe, and the pipe roof structure 3 and each support unit 1 form a primary support.

[0027] It can be seen that in this embodiment, each support unit 1 is arranged at intervals in the pipe roof structure 3 along the length direction of the utility tunnel. Each positioning mechanism 2 positions the positions of two adjacent support units 1, which can effectively ensure the distance between two adjacent support units 1, so that the distances between each support unit 1 are the same. The connecting mechanism connects each support unit 1 together, ensuring the stability between each support unit 1, and can also ensure that the distances between each support unit 1 remain consistent, avoiding errors in the distances between each support unit 1, making the installation of the support unit 1 more accurate, and further ensuring the stability of the utility tunnel, solving the problem that the distances in the primary support method of pipe roof construction in the prior art are prone to errors.

[0028] See Figures 1 to 3 , in the above embodiment, each support unit 1 includes: two transverse steel arches 11 and two vertical steel arches 12. Among them, the two transverse steel arches 11 are arranged in parallel, and the two vertical steel arches 12 are also arranged in parallel. The two end parts of each vertical steel arch 12 are respectively connected to the two end parts on the same side of the two transverse steel arches 11. Specifically, the two end parts of each vertical steel arch 12 respectively correspond to the two end parts on the same side of the two transverse steel arches 11 one by one, and each end part of each vertical steel arch 12 is connected to the corresponding end part of the corresponding transverse steel arch 11. In this way, the two transverse steel arches 11 and the two vertical steel arches 12 form a support ring structure, the interior of the support ring structure is hollow, and the support ring structure is rectangular.

[0029] Each support unit 1 further includes: four reinforcing members 13. Among them, each reinforcing member 13 is in an inclined state, and the four reinforcing members 13 are respectively arranged at the four corners inside the support ring structure. Two ends of each reinforcing member 13 are respectively connected to the adjacent transverse steel arch 11 and vertical steel arch 12. That is to say, one end of each reinforcing member 13 is connected to the vertical steel arch 12, and the other end of each reinforcing member 13 is connected to the adjacent transverse steel arch 11. In this way, the strength of the support ring structure of each support unit 1 can be effectively improved through the four reinforcing members 13, and the stability of the support unit 1 is improved.

[0030] Preferably, each reinforcing member 13 is a steel corbel.

[0031] See Figures 1 to 3 In the above-mentioned embodiment, the connecting mechanism includes: a plurality of connecting members 4. Among them, each transverse steel arch 11 and each vertical steel arch 12 of each support unit 1 are provided with a plurality of accommodating grooves on the side facing the center of the support ring structure, and the positions of the accommodating grooves in each support unit 1 correspond to each other. Specifically, each transverse steel arch 11 of each support unit 1 is provided with a plurality of accommodating grooves on the side facing the center of the support ring structure, and the positions of the accommodating grooves on each transverse steel arch 11 in each support unit 1 correspond to each other. Each vertical steel arch 12 of each support unit 1 is also provided with a plurality of accommodating grooves on the side facing the center of the support ring structure, and the positions of the accommodating grooves on each vertical steel arch 12 in each support unit 1 also correspond to each other.

[0032] Preferably, the accommodating grooves on each transverse steel arch 11 in each support unit 1 are spaced and evenly distributed along the length direction of the transverse steel arch 11.

[0033] Preferably, the accommodating grooves on each vertical steel arch 12 in each support unit 1 are spaced and evenly distributed along the length direction of the vertical steel arch 12.

[0034] Each connecting member 4 extends along the length direction of the utility tunnel, and each connecting member 4 is inserted into the accommodating grooves at corresponding positions in each support unit 1. Specifically, one connecting member 4 is inserted into the accommodating grooves at corresponding positions on each transverse steel arch 11 in each support unit 1, and one connecting member 4 is also inserted into the accommodating grooves at corresponding positions on each vertical steel arch 12 in each support unit 1.

[0035] Preferably, each connecting member 4 is welded to the corresponding accommodating groove in each support unit 1, which can effectively improve the stability between the connecting member 4 and each support unit 1.

[0036] During specific implementation, each connecting member 4 can be a steel plate.

[0037] It can be seen that in this embodiment, the structure of the connecting mechanism is simple and easy to implement.

[0038] See Figure 1 and Figure 4 In the above embodiments, at least one positioning mechanism 2 is provided between the transverse steel arches 11 and between the vertical steel arches 12 at corresponding positions in two adjacent support units 1. Specifically, at least one positioning mechanism 2 is provided between the transverse steel arches 11 at corresponding positions in two adjacent support units 1, and at least one positioning mechanism 2 is provided between the vertical steel arches 12 at corresponding positions in two adjacent support units 1.

[0039] Each positioning mechanism 2 includes: a positioning rod 21 and two sleeves 22. Among them, the two sleeves 22 are respectively arranged on the opposite side walls of two adjacent support units 1. Specifically, one sleeve 22 is respectively arranged on the opposite side walls of the two transverse steel arches 11 at corresponding positions in two adjacent support units 1, and one sleeve 22 is also respectively arranged on the opposite side walls of the two vertical steel arches 12 at corresponding positions in two adjacent support units 1.

[0040] Protrusion portions 23 are provided at both ends of the positioning rod 21. The two protrusion portions 23 are perpendicular to the positioning rod 21, and the two protrusion portions 23 are located on the same side of the positioning rod 21.

[0041] The positioning rod 21 is placed between two adjacent support units 1, and the two protrusion portions 23 are respectively inserted into the two sleeves 22 at corresponding positions between two adjacent support units 1.

[0042] It can be seen that in this embodiment, the two protrusion portions 23 of the positioning rod 21 are inserted into the two sleeves 22 at corresponding positions on two adjacent support units 1. In this way, two adjacent support units 1 are separated and fixed by a plurality of positioning rods 21, so that the distance between two adjacent support units 1 is a preset distance, and the distance between two adjacent support units 1 is kept fixed, ensuring that the distances between the support units 1 are consistent. After the distance between two adjacent support units 1 is determined, each support unit 1 is connected together by each connecting member 4, ensuring the stability of each support unit 1.

[0043] In summary, in this embodiment, each support unit 1 is arranged at intervals along the length direction of the utility tunnel in the pipe curtain structure 3. Each positioning mechanism 2 positions the positions of two adjacent support units 1, which can effectively ensure the distance between two adjacent support units 1, so that the distances between the support units 1 are the same. The connecting mechanism connects the support units 1 together, ensuring the stability between the support units 1, and can also ensure that the distances between the support units 1 remain consistent, avoiding errors in the distances between the support units 1, making the installation of the support unit 1 more accurate, and further ensuring the stability of the utility tunnel.

[0044] It should be noted that in the description of the present invention, the terms indicating the direction or positional relationship such as "upper", "lower", "left", "right", "inner", "outer", etc. are based on the direction or positional relationship shown in the drawings. This is only for convenience of description, rather than indicating or implying that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0045] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0046] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention is also intended to include these modifications and variations.

Claims

1. A pipe-curtain dark-excavation method integrated pipe gallery support device, characterized in that: include: A plurality of supporting units (1), a connecting mechanism and a plurality of positioning mechanisms (2); wherein: Each of the support units (1) is used to be arranged in parallel and at intervals in the pipe curtain structure (3) of the integrated pipe gallery along the length direction of the integrated pipe gallery; Each of the positioning mechanisms (2) is respectively arranged between any two adjacent support units (1) and is used to position the positions of the two adjacent support units (1); The connection mechanism is transversely arranged between the support units (1) along the length direction of the integrated pipe gallery, and is used to connect the support units (1).

2. The pipe-curtain dark-excavation method integrated pipe gallery support device according to claim 1 is characterized in that: Each of the support units (1) comprises: two transverse steel arches (11) arranged in parallel and two vertical steel arches (12) arranged in parallel; wherein: The two ends of each of the vertical steel arches (12) are respectively connected to the two ends on the same side of the two transverse steel arches (11), and the two transverse steel arches (11) and the two vertical steel arches (12) form a support ring structure that is hollow inside and rectangular.

3. The pipe-curtain dark-excavation integrated pipe gallery support device according to claim 2 is characterized in that: Each of the supporting units (1) further comprises: four reinforcement members (13) which are all in an inclined state; wherein: The four reinforcement members (13) are respectively arranged at four corners in the support ring structure, and the two ends of each reinforcement member (13) are respectively connected to the adjacent transverse steel arch (11) and vertical steel arch (12).

4. The pipe-curtain dark-excavation integrated pipe gallery support device according to claim 3 is characterized in that: Each of the reinforcement members (13) is a steel bracket.

5. The pipe-curtain dark-excavation method integrated pipe gallery support device according to claim 2 is characterized in that: The connecting mechanism comprises: a plurality of connecting members (4); wherein: Each transverse steel arch (11) and each vertical steel arch (12) of each of the support units (1) is provided with a plurality of accommodating grooves on a side facing the center of the support ring structure, and the positions of the accommodating grooves in each of the support units (1) correspond to each other; Each of the connecting pieces (4) extends along the length direction of the integrated pipe gallery, and each of the connecting pieces (4) is inserted into a receiving groove at a corresponding position in each of the supporting units (1).

6. The pipe-curtain dark-excavation method integrated pipe gallery support device according to claim 5 is characterized in that: Each of the connecting pieces (4) is welded to a corresponding receiving groove in each of the supporting units (1).

7. The pipe-curtain dark-excavation integrated pipe gallery support device according to claim 5 or 6, characterized in that: The receiving grooves on each transverse steel arch (11) in each of the supporting units (1) are spaced apart and evenly distributed along the length direction of the transverse steel arch (11); The receiving grooves on each vertical steel arch (12) in each of the supporting units (1) are spaced apart and evenly distributed along the length direction of the vertical steel arch (12).

8. The pipe-curtain dark-excavation integrated pipe gallery support device according to claim 1 is characterized in that: Each positioning mechanism (2) comprises: a positioning rod (21) and two sleeves (22); wherein: The two sleeves (22) are respectively arranged on opposite side walls of two adjacent supporting units (1); Both ends of the positioning rod (21) are provided with protrusions (23), the two protrusions (23) are perpendicular to the positioning rod (21) and are located on the same side of the positioning rod (21), the positioning rod (21) is placed between two adjacent support units (1), and the two protrusions (23) are respectively inserted into the two sleeves (22) of the two adjacent support units (1).

9. The pipe-curtain dark-excavation integrated pipe gallery support device according to claim 8 is characterized in that: At least one positioning mechanism (2) is provided between the transverse steel arches (11) at corresponding positions in two adjacent support units (1) and between the vertical steel arches (12) at corresponding positions.

10. The pipe-curtain dark-excavation integrated pipe gallery support device according to claim 1 is characterized in that: Concrete is sprayed between each of the support units (1) and the pipe-roof structure (3), and a steel mesh is arranged in the concrete.

Images