Supporting device for preventing shield tail from deforming during shield tail opening of shield tunneling machine

Abstract

The utility model discloses a shield tunneling machine shield tail opening support device for preventing shield tail deformation, and belongs to the technical field of building construction, a plurality of holes are formed in the shield tail along the cambered surface, and the support device comprises two parallel cross braces symmetrically arranged on the two sides of the holes; the two ends of the two transverse supports are fixedly connected with the inner wall of the shield tail correspondingly and used for supporting two edges of the hole. The multiple connecting rods are located between the two transverse supports and connected with the two corresponding transverse supports, and the at least one connecting rod is arranged on one side of the hole and used for supporting the other two edges of the hole; the vertical legs are located between the connecting rod and the inner wall of the shield tail and connected with the connecting rod and the inner wall of the shield tail. The shield tail opening device is simple in material, convenient to use and easy to operate, is not affected by other equipment components in a shield body, can effectively reduce shield tail opening and shield tail deformation risks caused in the construction process, and ensures smooth operation of opening operation.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and in particular relates to a supporting device for opening a hole at the tail of a shield machine to prevent the tail of the shield from deformation. Background Art

[0002] Shield construction, as an underground concealed project, is prone to various problems due to various uncertainties. If certain problems arise during the shield construction process, it is necessary to drill holes in the shield tail. If the hole is too large, the shield tail may be easily deformed during construction, affecting the subsequent shield excavation and segment assembly construction.

[0003] However, the existing shield tail anti-deformation support device is usually a large internal support processed inside the shield tail during the shield lifting process. However, during the shield excavation process, the large support system cannot be installed due to the influence of other equipment components in the shield body. Utility Model Content

[0004] The main purpose of the utility model is to provide a support device for opening a hole at the tail of a shield machine to prevent the tail of the shield from deformation, so as to solve the technical problem that large-scale support systems cannot be installed in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A support device for a shield tail of a shield machine with a hole opening to prevent deformation of the shield tail, wherein a plurality of holes are opened along an arc surface of the shield tail, and the support device comprises:

[0007] Two cross braces are parallel to each other and symmetrically arranged on both sides of the hole; both ends of the two cross braces are respectively fixedly connected to the inner wall of the shield tail to provide support for two sides of the hole;

[0008] A plurality of connecting rods, located between two of the cross braces and connected to the corresponding two cross braces, at least one of the connecting rods being disposed on one side of the hole to provide support for the other two sides of the hole;

[0009] A plurality of standing legs are located between the connecting rod and the inner wall of the shield tail, and are connected to the connecting rod and the inner wall of the shield tail.

[0010] Furthermore, the shield tail is provided with two holes along the arc surface, the two holes are located on the same horizontal line, two cross braces are provided, two connecting rods are provided, and six vertical legs are provided;

[0011] Among them, the two cross braces are parallel to each other and are respectively arranged on both sides of the hole, the two connecting rods are arranged in one-to-one correspondence with the holes, and the two connecting rods are respectively located on one side of the corresponding holes. The first ends of the two connecting rods are connected to one of the cross braces, and the second ends are connected to the other cross brace. Each of the connecting rods is connected to the inner wall of the shield tail through three vertical legs, and the three vertical legs are arranged at intervals along the axial direction of the shield machine.

[0012] Furthermore, the sizes of the two holes are both 800*600mm, and the distance between the two cross braces is 1300mm.

[0013] Furthermore, the cross brace and the vertical legs are both square tubes, and the dimensions are both 120mm*120mm*8mm.

[0014] Beneficial effects of the utility model:

[0015] The utility model is simple in material, convenient and easy to operate, is not affected by other equipment components in the shield body, can effectively reduce the risk of shield tail deformation during shield tail opening and construction, and ensures the smooth progress of the opening operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a support device for opening a hole at the tail of a shield machine to prevent the tail of the shield from deformation according to the utility model;

[0017] Figure 2 This is a front view of a support device for a shield tail opening of a shield machine to prevent the shield tail from deformation according to the utility model;

[0018] Figure 3 It is a left view of a support device for opening a hole at the tail of a shield machine to prevent the tail of the shield from deformation according to the utility model;

[0019] Figure 4 The utility model is a schematic diagram of the installation of a support device for opening a hole at the tail of a shield machine to prevent the tail of the shield from deformation.

[0020] In the figure: 1. hole; 2. cross brace; 3. connecting rod; 4. standing leg. DETAILED DESCRIPTION

[0021] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0022] Example 1

[0023] refer to Figures 1 to 4 A support device for a shield tail of a shield machine with a hole opening to prevent deformation of the shield tail, wherein a plurality of holes 1 are opened along the arc surface of the shield tail, and the support device comprises:

[0024] Two cross braces 2 are parallel to each other and symmetrically arranged on both sides of the hole 1; both ends of the two cross braces 2 are respectively fixedly connected to the inner wall of the shield tail, so as to provide support for two sides of the hole 1;

[0025] A plurality of connecting rods 3 are located between the two cross braces 2 and connected to the corresponding two cross braces 2, and at least one connecting rod 3 is arranged on one side of the hole 1 to provide support for the other two sides of the hole 1;

[0026] A plurality of vertical legs 4 are located between the connecting rod 3 and the inner wall of the shield tail, and are connected to the connecting rod 3 and the inner wall of the shield tail.

[0027] In this embodiment, two holes 1 are provided along the arc surface of the shield tail, the two holes 1 are located on the same horizontal line, two cross braces 2 are provided, two connecting rods 3 are provided, and six vertical legs 4 are provided;

[0028] Among them, two cross braces 2 are parallel to each other and are respectively arranged on both sides of the hole 1, two connecting rods 3 are arranged in one-to-one correspondence with the holes 1, and the two connecting rods 3 are respectively located on one side of the corresponding holes 1. The first ends of the two connecting rods 3 are connected to one of the cross braces 2, and the second ends are connected to the other cross brace 2. Each connecting rod 3 is connected to the inner wall of the shield tail through three vertical legs 4, and the three vertical legs 4 are arranged at intervals along the axial direction of the shield machine.

[0029] In order to improve stability, in specific implementation, the cross brace 2 can be welded into a cross brace group by multiple cross braces.

[0030] In this embodiment, the sizes of the two holes 1 are both 800*600 mm, and the distance between the two cross braces 2 is 1300 mm.

[0031] In this embodiment, the cross brace 2 and the vertical leg 4 are both square tubes, and the dimensions are 120mm*120mm*8mm.

[0032] In specific implementation, the material is cut according to the position and size of the hole at the tail of the shield, the length of the cross brace 2 and the connecting rod 3 matches the position and size of the hole, and it is firmly welded on the shield shell before the hole is opened to play a local supporting role.

[0033] The utility model is constructed only by square tube welding, the materials used are simple, convenient and easy to operate, and is not affected by other equipment components in the shield body. It can effectively reduce the risk of shield tail deformation caused by shield tail opening and construction, and ensure the smooth progress of the opening operation.

[0034] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. For those skilled in the art, the utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model are included in the protection scope of the utility model.

Claims

1. A support device for a shield tail opening of a shield machine to prevent the shield tail from deformation, wherein: The shield tail is provided with a plurality of holes along the arc surface, and is characterized in that the supporting device comprises: Two cross braces are parallel to each other and symmetrically arranged on both sides of the hole; both ends of the two cross braces are respectively fixedly connected to the inner wall of the shield tail to provide support for two sides of the hole; A plurality of connecting rods, located between two of the cross braces and connected to the corresponding two cross braces, at least one of the connecting rods being disposed on one side of the hole to provide support for the other two sides of the hole; A plurality of standing legs are located between the connecting rod and the inner wall of the shield tail, and are connected to the connecting rod and the inner wall of the shield tail.

2. A shield tail opening support device for a shield machine according to claim 1 to prevent the shield tail from deformation, characterized in that: The shield tail is provided with two holes along the arc surface, the two holes are located on the same horizontal line, two cross braces are provided, two connecting rods are provided, and six vertical legs are provided; Among them, the two cross braces are parallel to each other and are respectively arranged on both sides of the hole, the two connecting rods are arranged in one-to-one correspondence with the holes, and the two connecting rods are respectively located on one side of the corresponding holes. The first ends of the two connecting rods are connected to one of the cross braces, and the second ends are connected to the other cross brace. Each of the connecting rods is connected to the inner wall of the shield tail through three vertical legs, and the three vertical legs are arranged at intervals along the axial direction of the shield machine.

3. A shield tail opening support device for a shield machine according to claim 2 to prevent the shield tail from deformation, characterized in that: The sizes of the two holes are both 800*600mm, and the distance between the two cross braces is 1300mm.

4. A shield tail opening support device for a shield machine according to claim 1 to prevent the shield tail from deformation, characterized in that: The cross brace and the vertical legs are both square tubes with dimensions of 120mm*120mm*8mm.

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