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CN-224228684-U - Tunnel secretly digs reinforced structure

CN224228684UCN 224228684 UCN224228684 UCN 224228684UCN-224228684-U

Abstract

The utility model relates to the technical field of tunnel construction and discloses a tunnel underground excavation reinforcing structure, which comprises a cavity, wherein a framework mechanism is arranged in the cavity and used as a framework for concrete pouring, the bottom of the inner wall of the cavity is fixedly connected with a bottom plate, the top of the bottom plate is provided with a plurality of supporting mechanisms, the supporting mechanisms are all used for reinforcing and supporting the concrete pouring structure, the top of the bottom plate is slidably connected with a plurality of panels, the outer walls of the panels are all provided with connecting mechanisms, the connecting mechanisms are all used for connecting two adjacent panels, and the supporting mechanisms comprise struts. According to the utility model, through the design of the rotary connection of the rotary block and the rotary shell, the angle of the support column can be adjusted to adapt to different installation requirements, and by utilizing the threaded transmission structure of the support column and the support column, an operator can accurately adjust the length of the supporting mechanism through rotating the stress block, and adapt to panels with different intervals.

Inventors

  • LI JIANQIANG
  • LI HUANHUAN
  • CHEN YU

Assignees

  • 西安铖洋实业有限公司

Dates

Publication Date
20260512
Application Date
20250708

Claims (8)

  1. 1. The tunnel underground excavation reinforcing structure comprises a cavity (1) and is characterized in that a framework mechanism (2) is arranged in the cavity (1), the framework mechanism (2) is used as a framework for concrete pouring, a bottom plate (3) is fixedly connected to the bottom of the inner wall of the cavity (1), a plurality of supporting mechanisms (4) are arranged at the top of the bottom plate (3), the supporting mechanisms (4) are all used for reinforcing and supporting the concrete pouring structure, a plurality of panels (5) are slidably connected to the top of the bottom plate (3), connecting mechanisms (6) are arranged on the outer walls of the panels (5), and the connecting mechanisms (6) are all used for connecting two adjacent panels (5); A plurality of supporting mechanism (4) all include pillar (401), a plurality of pillar (401) all set up in the inside of grotto (1), a plurality of the equal fixedly connected with of right-hand member of pillar (401) changes piece (402), a plurality of the adjacent one side of outer wall of panel (5) all sliding connection has stabilizer blade (403), right side a plurality of the equal fixedly connected with of outer wall left side of stabilizer blade (403) changes shell (404), a plurality of the equal threaded connection of inner wall of pillar (401) has branch (405), a plurality of the equal fixedly connected with of outer wall of branch (405) two atress pieces (406), left side a plurality of the right side of stabilizer blade (403) all is provided with fast-assembling subassembly (407).
  2. 2. The tunnel underground excavation reinforcement structure of claim 1, wherein the connecting mechanism (6) comprises a locking plate (601), the outer wall of the locking plate (601) is fixedly connected to the right side of the outer wall of the panel (5), a half-ring rotary lock (602) is rotatably connected to the left side of the outer wall of the panel (5), a rotary handle (603) is fixedly connected to the outer wall of the half-ring rotary lock (602), two limiting blocks (604) are fixedly connected to the left side of the outer wall of the panel (5), and a sealing assembly (605) is arranged on the outer wall of the panel (5).
  3. 3. The tunnel underground excavation reinforcement structure of claim 1, wherein the skeleton mechanism (2) comprises a plurality of stress ribs (201), the outer walls of the stress ribs (201) are fixedly connected to the inner wall of the cavity (1), the outer walls of the stress ribs (201) are fixedly connected with a plurality of reinforcing ribs (202), and the outer walls of the stress ribs (201) are fixedly connected with a plurality of transverse ribs (203).
  4. 4. The tunnel underground excavation reinforcement structure of claim 1, wherein the quick assembly (407) comprises a sliding cylinder (4071), the left side of the outer wall of the sliding cylinder (4071) is fixedly connected to the right side of a left side supporting leg (403), a sliding groove (4072) is formed in the outer wall of the sliding cylinder (4071), and the left end of the supporting rod (405) is fixedly connected with a sliding block (4073).
  5. 5. The tunnel underground excavation reinforcement structure of claim 2, wherein the sealing component (605) comprises a clamping block (6051), the outer wall of the clamping block (6051) is fixedly connected to the front side of the outer wall of the panel (5), the front side of the outer wall of the clamping block (6051) is fixedly connected with a sealing strip (6052), and the rear side of the outer wall of the panel (5) is provided with a clamping groove (6053).
  6. 6. The tunnel underground excavation reinforcement structure of claim 1, wherein the outer walls of the panels (5) are fixedly connected with slotted blocks (7) on the sides far away from each other, and two unloading and penetrating plates (8) are fixedly connected on the adjacent sides of the outer walls of the panels (5).
  7. 7. The tunnel excavation reinforcement structure as set forth in claim 4, wherein outer walls of the plurality of rotating blocks (402) are rotatably connected to inner walls of the plurality of rotating shells (404), respectively, and outer walls of the plurality of sliding blocks (4073) are rotatably connected to inner walls of the plurality of sliding drums (4071), respectively.
  8. 8. The tunnel underground excavation reinforcement structure of claim 5, wherein the outer walls of the plurality of semi-ring rotary locks (602) are respectively and rotatably connected to the inner walls of the plurality of locking plates (601), and the outer walls of the plurality of clamping blocks (6051) are respectively and slidably connected to the inner walls of the plurality of clamping grooves (6053).

Description

Tunnel secretly digs reinforced structure Technical Field The utility model relates to the technical field of tunnel construction, in particular to a tunnel underground excavation reinforcing structure. Background The tunnel is used as a channel dug out in the existing building or earth and stone structure, is applied to the fields of traffic engineering, hydraulic engineering and underground space development, can overcome the topographic obstacle, shorten the passing distance and improve the transportation efficiency, and is an important component of modern infrastructure construction. The traditional tunnel underground excavation reinforcing structure is composed of a steel arch, a steel bar net sheet and an injection concrete layer, when in construction, the steel arch is firstly installed on the tunnel excavation outline surface according to the designed interval, then the steel bar net sheet is laid and welded with the steel arch for fixation, and finally the concrete is injected to the surface of the structure through injection equipment to form the reinforcing layer. However, because the length of the supporting steel frame is fixed, flexible adjustment cannot be performed according to the actual excavation size of the tunnel, the geological condition change and the installation requirements of different construction stages, so that the supporting of a partial area is insufficient, the installation of the partial area is difficult due to the mismatching of the sizes, and the construction progress and the reinforcement effect are affected. The prior art is to the unable problem of adjusting of traditional support steelframe length, adopt the bearing structure of modularization concatenation, connect a plurality of standard sections with the change overall length through the bolt, but in the in-service use, this kind of concatenation structure still has the limitation, when being under construction, need dismantle many times according to the scene condition, the different installation demands of equipment standard section adaptation, the operation process is loaded down with trivial details and consuming time, the concatenation structure is difficult to realize the fine adjustment to the bearing length, can't satisfy the installation demand of different interval panels, lead to the panel atress uneven, warp when concrete placement, influence tunnel underground excavation reinforced structure's construction quality and stability, for this reason propose a tunnel underground excavation reinforced structure and solve above-mentioned problem. Disclosure of utility model In order to make up for the defects, the utility model provides a tunnel underground excavation reinforcing structure, which aims to solve the problems that in the prior art, fine adjustment of supporting length is difficult to realize, the installation requirements of panels with different intervals cannot be met, and uneven stress of the panels is caused. In order to achieve the aim, the tunnel underground excavation reinforcing structure comprises a cavity, wherein a framework mechanism is arranged in the cavity and used as a framework for concrete pouring, a bottom plate is fixedly connected to the bottom of the inner wall of the cavity, a plurality of supporting mechanisms are arranged at the top of the bottom plate and are all used for reinforcing and supporting the concrete pouring structure, a plurality of panels are slidably connected to the top of the bottom plate, connecting mechanisms are all arranged on the outer walls of the panels, and the connecting mechanisms are all used for connecting two adjacent panels; A plurality of supporting mechanism all includes the pillar, and is a plurality of the pillar all sets up in the inside of chamber, a plurality of the equal fixedly connected with of right-hand member of pillar changes the piece, and is a plurality of the equal sliding connection of outer wall adjacent one side of panel has the stabilizer blade, and the right side is a plurality of the equal fixedly connected with of outer wall left side of stabilizer blade changes the shell, and is a plurality of the equal threaded connection of inner wall of pillar has branch, and is a plurality of the equal fixedly connected with of outer wall of branch is two atress pieces, and the left side is a plurality of the right side of stabilizer blade all is provided with the fast-assembling subassembly. As a further description of the above technical solution: The connecting mechanism comprises a lock plate, the outer wall of the lock plate is fixedly connected to the right side of the outer wall of the panel, the left side of the outer wall of the panel is rotationally connected with a semi-ring rotary lock, the outer wall of the semi-ring rotary lock is fixedly connected with a rotary handle, the left side of the outer wall of the panel is fixedly connected with two limiting blocks, and the outer wall of the panel is provided with a seal