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CN-224214185-U - Subway shield segment with adjustable thickness

CN224214185UCN 224214185 UCN224214185 UCN 224214185UCN-224214185-U

Abstract

The utility model discloses a subway shield segment with adjustable thickness, which comprises a shield segment main body, a thickness-adjusting segment, a fixing bolt and a nut, wherein the shield segment main body and the thickness-adjusting segment are assembled. Through the shield segment main body and the thickness adjusting segment, when the thickness of the shield segment is required to be enhanced, the thickness adjusting segment is assembled, after assembly, the uppermost thickness adjusting segment is assembled with the shield segment main body, the assembly is convenient and firm, the thickness of the shield segment whole body can be assembled and adjusted along with the requirement, the shield segment whole body is applicable to diversified construction environments, when the shield segment whole body is assembled in a connecting mode through the fixing bolts and nuts, the fixing bolts sequentially penetrate through the first jack, the second jack, the third jack and the fourth jack, the assembly can be completed through threaded fixation of the nuts, the structure is compact and firm, and the assembly efficiency is high.

Inventors

  • SONG PENG
  • WANG YULI

Assignees

  • 青岛青新阳光集团有限公司

Dates

Publication Date
20260508
Application Date
20250625

Claims (6)

  1. 1. The subway shield segment with the adjustable thickness is characterized by comprising a shield segment main body (1), a thickness-adjusting segment (2), a fixing bolt (3) and a nut (4), wherein the shield segment main body (1) is assembled and matched with the thickness-adjusting segment (2); the left side of the shield segment main body (1) is provided with a first connection protrusion (101), the right side of the shield segment main body (1) is provided with a first connection slot (102), the inner cambered surface of the shield segment main body (1) is provided with a plurality of first assembly slots (103) along the circle center at equal intervals, the upper inner wall and the lower inner wall of the first assembly slots (103) are provided with a first jack (104) in a penetrating way, and the first connection protrusion (101) is provided with a second jack (105) in a penetrating way; the left side of thickness control section of jurisdiction (2) is equipped with and links up protruding two (201), linking slot two (202) have been seted up on the right side of thickness control section of jurisdiction (2), a plurality of assembly slot two (203) have been seted up along centre of a circle equidistance to the intrados of thickness control section of jurisdiction (2), jack three (204) have been seted up in the upper and lower inner wall penetration of assembly slot two (203), the extrados of thickness control section of jurisdiction (2) is equipped with a plurality of assembly archs (205) along centre of a circle equidistance link up and run through on protruding two (201) and have seted up jack four (206).
  2. 2. The subway shield segment according to claim 1, wherein the first engagement protrusion (101) is adapted to the shape of the first engagement slot (102), and the first engagement protrusion (101) is in plug-and-socket engagement with the first engagement slot (102).
  3. 3. The subway shield segment with adjustable thickness according to claim 1, wherein the second engagement protrusion (201) is matched with the second engagement slot (202) in shape, and the second engagement protrusion (201) is in plug-and-socket fit with the second engagement slot (202).
  4. 4. The subway shield segment with adjustable thickness according to claim 1, wherein the first assembly slot (103) and the second assembly slot (203) are both shaped and sized to fit the shape and size of the assembly protrusion (205).
  5. 5. The thickness-adjustable subway shield segment according to claim 1, wherein the first (104), second (105), third (204) and fourth (206) jacks correspond in position.
  6. 6. The subway shield segment with adjustable thickness according to claim 1, wherein the bottom end side wall of the fixing bolt (3) sequentially penetrates through the first jack (104), the second jack (105), the third jack (204) and the fourth jack (206) to be in threaded connection with the inner wall of the nut (4).

Description

Subway shield segment with adjustable thickness Technical Field The utility model relates to the technical field of shield segments, in particular to a subway shield segment with adjustable thickness. Background The shield segment is a main assembly component for shield construction, is an innermost barrier of a tunnel, bears the functions of resisting soil layer pressure, underground water pressure and some special loads, is a permanent lining structure of the tunnel by a shield method, and has the advantages that the quality of the shield segment directly relates to the integral quality and safety of the tunnel, the waterproof performance and the durability of the tunnel are affected, but the subway shield segment in the prior art has the following defects; Some shield segments are single in form, the reinforcing thickening of the shield segments cannot be performed according to different use environments, so that the adaptability of the shield segments is low, and the shield segments are required to be connected for use, so that the conventional connection mode cannot be used for firm connection, and the operation is inconvenient. Disclosure of utility model The utility model aims to provide the subway shield segment with adjustable thickness, which can be assembled and adjusted according to requirements, is suitable for diversified construction environments, and has compact and firm structure and high assembly efficiency. In order to achieve the above purpose, the metro shield segment with adjustable thickness comprises a shield segment main body, a thickness adjusting segment, a fixing bolt and a nut, wherein the shield segment main body and the thickness adjusting segment are assembled; The left side of the shield segment main body is provided with a first connecting protrusion, the right side of the shield segment main body is provided with a first connecting slot, the inner cambered surface of the shield segment main body is provided with a plurality of first assembling slots at equal intervals along the circle center, the upper inner wall and the lower inner wall of the first assembling slots are provided with first jacks in a penetrating way, and the first connecting protrusion is provided with second jacks in a penetrating way; The left side of thickness control section of jurisdiction is equipped with and links up protruding second, linking slot second has been seted up on the right side of thickness control section of jurisdiction, a plurality of assembly slots second have been seted up along the centre of a circle equidistance to the intrados of thickness control section of jurisdiction, jack third has been seted up in the upper and lower inner wall penetration of assembly slot second, the extrados of thickness control section of jurisdiction is equipped with a plurality of assembly archs along the centre of a circle equidistance link up and run through on the protruding second and have seted up jack fourth. According to the subway shield segment with adjustable thickness, the first engagement protrusion is matched with the first engagement slot in shape, and the first engagement protrusion is matched with the first engagement slot in a plug-in mode. According to the subway shield segment with adjustable thickness, the second engagement protrusion is matched with the second engagement slot in shape, and the second engagement protrusion is matched with the second engagement slot in a plug-and-pull mode. According to the subway shield segment with the adjustable thickness, the shape of the first assembling slot and the shape of the second assembling slot are matched with the shape and the size of the assembling bulge. According to the subway shield segment with the adjustable thickness, the first jack, the second jack, the third jack and the fourth jack are corresponding in position. According to the subway shield segment with adjustable thickness, the bottom end side wall of the fixing bolt sequentially penetrates through the first jack, the second jack, the third jack and the fourth jack to be in threaded connection with the inner wall of the nut. The utility model has the following beneficial effects: 1. Compared with the prior art, through shield segment main part, the thickness control section of jurisdiction that sets up, when needs reinforcing shield segment's thickness, equipment thickness control section of jurisdiction adjusts thickness, after the equipment, with the top thickness control section of jurisdiction with shield segment main part equipment can, the equipment is convenient firm, can be along with the holistic thickness of demand equipment control shield segment, is suitable for diversified construction environment. 2. Compared with the prior art, through fixing bolt, the nut that sets up, when linking the equipment to shield segment is whole, fixing bolt passes jack one in proper order, jack two, jack three and jack four, carries out the screw thread fixation through the nut