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CN-121976822-A - Grouting device for subway tunnel

CN121976822ACN 121976822 ACN121976822 ACN 121976822ACN-121976822-A

Abstract

The invention relates to the technical field of construction grouting devices, in particular to a grouting device for a subway tunnel, which comprises a mobile saddle provided with a grouting conveying pump, a multi-shaft rotating arm, a grouting sealing part, a pressing assembly and a grouting sealing part, wherein the multi-shaft rotating arm is arranged on the mobile saddle through an overhead seat, the grouting sealing part comprises a universal mounting seat rotatably arranged at the front end of the multi-shaft rotating arm, a grouting insertion pipe is arranged at the front end of the universal mounting seat, a rubber sealing sleeve is sleeved on the grouting insertion pipe, the universal mounting seat is provided with the pressing assembly, the grouting sealing part is matched with the multi-shaft rotating arm, the grouting sealing part can be suitable for multi-angle tunnel maintenance operation, the operation is simple, the grouting angle is adjustable, the application range is wide, the practicability is realized, the grouting sealing part creatively can realize the self-adaptive blocking of grouting holes through the pressing assembly, the drilling grouting operation which is easy to leak in elevation angle and the like can be solved, and the improvement of the grouting compactness is facilitated.

Inventors

  • LI XIANMING
  • XU ZHAOMIN
  • ZHANG QIONGXIN
  • Tang Jiagong
  • Shao Hongen
  • ZHU JIAYI
  • WANG SUBIN
  • YIN YANBANG

Assignees

  • 武汉精隧科技有限公司

Dates

Publication Date
20260505
Application Date
20260326

Claims (10)

  1. 1. The grouting device for the subway tunnel comprises a movable saddle (1) provided with a grouting conveying pump (2), and is characterized by further comprising: The multi-shaft rotating arm (4) is arranged on the movable saddle (1) through the overhead seat (3); the grouting sealing part comprises a universal mounting seat (5) which is rotatably arranged at the front end of the multi-shaft rotating arm (4) and used for adjusting a grouting angle, a grouting insertion pipe (8) which is used for being connected with the grouting conveying pump (2) in a conducting way is arranged at the front end of the universal mounting seat (5), and a rubber sealing sleeve (9) is sleeved on the grouting insertion pipe (8); and the universal mounting seat (5) is provided with a pressing component (6) for pressing the rubber sealing sleeve (9) to seal the outer edge of the drilling hole to be grouted.
  2. 2. The grouting device for the subway tunnel according to claim 1, wherein the universal mounting seat (5) comprises a U-shaped block (51) and a shaft block (52) which are provided with through holes at the axle center and are connected in a conducting manner; The shaft block (52) is provided with a side mounting groove (521) for detachably mounting the compression assembly (6).
  3. 3. The grouting device for the subway tunnel according to claim 2, wherein the through hole is rotatably provided with a guide pipe (7) through a bearing; one end of the conducting pipe (7) is detachably provided with the grouting insertion pipe (8), and the other end of the conducting pipe is connected to the grouting outlet of the grouting conveying pump (2) through the grouting pipe in a conducting mode.
  4. 4. The grouting device for subway tunnel according to claim 2, characterized in that the pressing assembly (6) comprises a fixed base plate (61) fixedly installed on the side installation groove (521), a telescopic cylinder (62) is installed on the fixed base plate (61), and an output shaft of the telescopic cylinder (62) is connected with a sliding plate (64) through a connecting frame (63); a sliding block (65) is arranged on the inner side of the sliding plate (64), and a guide rail (66) for slidably mounting the sliding block (65) is arranged on the fixed base plate (61).
  5. 5. The grouting device for subway tunnel according to claim 4, characterized in that a frame plate (67) for sleeving the grouting insertion pipe (8) is arranged on the sliding plate (64), and a press-fit groove (671) for inserting a collar (68) is arranged in the frame plate (67); the lantern ring (68) is used for pressing the rubber sealing sleeve (9) to deform through the telescopic cylinder (62).
  6. 6. The grouting device for subway tunnel according to claim 5, wherein a pressure sensor for monitoring the pressing force is arranged in the press-fit groove (671).
  7. 7. The grouting device for the subway tunnel according to claim 1, wherein the rubber sealing sleeve (9) comprises a cylindrical sleeve block (92) with the outer end fixedly connected with a frustum block (91), and hollow sleeve holes (901) for being sleeved on the grouting insertion pipe (8) are formed in the axes of the frustum block (91) and the cylindrical sleeve block (92).
  8. 8. The grouting device for subway tunnels according to claim 7, wherein the diameter of the bottom of the frustum block (91) is larger than the inner diameter of a borehole to be grouting, and the cylindrical sleeve block (92) is provided with a compression deformation hole (921).
  9. 9. Grouting device for subway tunnel according to claim 8, characterized in that the rubber sealing sleeve (9) is internally provided with a capsule cavity for injecting gas, and is used for expanding and sealing the frustum block (91) at the position of the drill hole to be grouting when being pressed.
  10. 10. The grouting device for subway tunnels, as set forth in claim 1, characterized in that the multi-axis rotating arm (4) comprises a plane rotating joint (41) installed on the overhead seat (3), and at least one lifting arm (42) hinged at the outer end of the plane rotating joint (41), and a longitudinal rotating joint (43) is hinged at the outer end of the lifting arm (42); the universal mounting seat (5) is hinged at the outer end of the longitudinal rotary joint (43).

Description

Grouting device for subway tunnel Technical Field The invention relates to the technical field of construction grouting devices, in particular to a grouting device for a subway tunnel. Background In the long-term operation process of the subway tunnel, the duct piece is easy to generate gaps or cracks, the structural stability is ensured by drilling and grouting, the traditional vertical grouting mode is mainly adopted in the field of tunnel maintenance grouting at present, and the core principle is that slurry is injected after vertical drilling by means of a rigid grouting device, so that gap filling and sealing are realized. However, the prior art has a plurality of key defects, and is difficult to meet the actual maintenance requirements, wherein the prior device is of a static rigid structure, the angle adjusting capability is lost, grouting in the vertical direction can only be realized, the grouting requirements for non-vertical angles such as a back hole, an inclined hole and the like cannot be completely met, meanwhile, the grouting sealing effect at a drilling hole is poor, the inner wall of the drilling hole cannot be attached, a large amount of slurry leakage is easy to occur, the grouting quality is influenced, and the dense filling effect of the slurry cannot be realized. The grouting device for the subway tunnel is provided in view of the fact that the grouting device for the subway tunnel is provided with a grouting hole sealing structure which is suitable for multiple angles and is not designed for the requirement of the multi-angle grouting of the tunnel in the prior art, and therefore obvious short plates exist in the aspects of operation efficiency and quality, and quality and efficiency of maintenance of the grouting of the subway tunnel are seriously restricted. Disclosure of Invention The invention aims to solve the defects in the background art and provides a grouting device for a subway tunnel. In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a slip casting device for subway tunnel, includes the mobile vehicle seat of installing slip casting delivery pump, still includes: the multi-shaft rotating arm is arranged on the movable saddle through an overhead seat; The grouting sealing part comprises a universal mounting seat which is rotatably arranged at the front end of the multi-shaft rotating arm and used for adjusting a grouting angle, a grouting insertion pipe which is used for conducting connection with the grouting conveying pump is arranged at the front end of the universal mounting seat, and a rubber sealing sleeve is sleeved on the grouting insertion pipe; And the universal mounting seat is provided with a pressing assembly for pressing the rubber sealing sleeve to seal the outer edge of the drilling hole to be grouted. Preferably, the universal mounting seat comprises a U-shaped block and a shaft block, wherein the U-shaped block and the shaft block are provided with through holes at the axle center and are connected in a conducting manner; The shaft block is provided with a side mounting groove for detachably mounting the compression assembly. Preferably, a conducting pipe is rotatably arranged in the through hole through a bearing; One end of the guide pipe is detachably provided with the grouting insertion pipe, and the other end of the guide pipe is connected to the grouting outlet of the grouting conveying pump through the grouting pipe in a guide way. Preferably, the compressing assembly comprises a fixed base plate fixedly arranged on the side mounting groove, a telescopic cylinder is arranged on the fixed base plate, and an output shaft of the telescopic cylinder is connected with a sliding plate through a connecting frame; the sliding plate is characterized in that a sliding block is arranged on the inner side of the sliding plate, and a guide rail for slidably mounting the sliding block is arranged on the fixed base plate. Preferably, a frame plate sleeved on the grouting insertion pipe is arranged on the sliding plate, and a press-fit groove for inserting a collar is formed in the frame plate; The lantern ring is used for pressing the rubber sealing sleeve to deform through the telescopic cylinder. Preferably, a pressure sensor for monitoring the pressing acting force is arranged in the press-fit groove. Preferably, the rubber sealing sleeve comprises a cylindrical sleeve block, the outer end of which is fixedly connected with a frustum block, and a hollow sleeve hole for being sleeved on the grouting insertion pipe is formed in the axes of the frustum block and the cylindrical sleeve block. Preferably, the diameter of the bottom of the frustum block is larger than the inner diameter of a drilling hole to be grouting, and the cylindrical sleeve block is provided with a compression deformation hole. Preferably, a capsule cavity for injecting gas is formed in the rubber sealing sleeve, and the c