CN-224210174-U - Outdoor curing means of prefabricated section of jurisdiction of shield tunnel

CN224210174UCN 224210174 UCN224210174 UCN 224210174UCN-224210174-U

Abstract

The utility model discloses an outdoor curing device for prefabricated duct pieces of a shield tunnel, which comprises a water supply pipe arranged on the prefabricated duct pieces, a fixed support arranged below the water supply pipe and connected with the prefabricated duct pieces, and a plurality of rotary spray heads which are all arranged above the water supply pipe and used for spraying water for curing the prefabricated duct pieces. According to the utility model, the plurality of maintenance devices are arranged on the prefabricated pipe piece, so that the water spraying maintenance range can cover the surface of the whole prefabricated pipe piece, no additional arrangement of channels is needed, resource waste is avoided, construction cost is reduced, the maintenance devices are arranged on the prefabricated pipe piece by utilizing the fixed support, the prefabricated pipe piece in the storage area is subjected to comprehensive water spraying maintenance, too much manpower resources are not needed to be consumed, the pipe piece storage area is effectively utilized, and the resource utilization is maximized.

Inventors

LI DONGWEI
ZHANG YAO
JIA ZHAONAN
SONG QING
Sang Zhaocai
Yu Xilei
LI ZONGHUA
ZHANG LIMING
CHEN XINXIN
FAN LIWEI
RAN PENG

Assignees

中国水利水电第三工程局有限公司

Dates

Publication Date: 20260508
Application Date: 20250603

Claims (4)

1. The outdoor curing device for the prefabricated pipe pieces of the shield tunnel is characterized by comprising a water supply pipe (2) arranged on the prefabricated pipe pieces (1), a fixed support arranged below the water supply pipe (2) and connected with the prefabricated pipe pieces (1), and a plurality of rotary spray heads (3) which are arranged above the water supply pipe (2) and are used for spraying water for curing the prefabricated pipe pieces (1); the end part of the water supply pipe (2) is connected with a soft water pipe (4); The fixing support comprises two fixing units which are symmetrically arranged below the water supply pipe (2), the structural dimensions of the two fixing units are the same, the fixing units comprise an installation seat (7) arranged below the water supply pipe (2) and a fixing frame arranged at the bottom of the installation seat (7), the installation seat (7) is fixedly connected with the water supply pipe (2), and the installation seat (7) is connected with the fixing frame through a butt joint screw thread (9); The fixing frame comprises two fixing rods (8) symmetrically arranged at the bottom of the mounting seat (7) and bracket fasteners (10) horizontally penetrating between the two fixing rods (8), and a support pad (11) is arranged at the joint of the fixing rods (8) and the prefabricated duct piece (1).
2. The outdoor curing device for prefabricated segment of shield tunnel according to claim 1, wherein the water supply pipe (2) and the soft water pipe (4) are connected through a connecting component, and the connecting component comprises a receiving plug (5) arranged at the end part of the water supply pipe (2) and a connecting end head (6) arranged on the soft water pipe (4) and used for being connected with the receiving plug (5).
3. The outdoor curing device for prefabricated segment of shield tunnel according to claim 1, wherein the rotary spray head (3) is communicated with the water supply pipe (2) through a water supply branch pipe (12).
4. The outdoor curing device for the prefabricated segment of the shield tunnel according to claim 1 is characterized in that the mounting seat (7) is of a splayed structure, the butt screw thread (9) is mounted at the joint of the fixing rod (8) and the mounting seat (7), the fixing rod (8) is of an L-shaped structure, the support fastener (10) is arranged on the vertical section of the fixing rod (8), and the support pad (11) is arranged on the horizontal section of the fixing rod (8).

Description

Outdoor curing means of prefabricated section of jurisdiction of shield tunnel Technical Field The utility model belongs to the technical field of shield segment maintenance, and particularly relates to an outdoor maintenance device for prefabricated segments of a shield tunnel. Background In the construction engineering, the prefabricated segment is taken as an important structural member, and the quality of the prefabricated segment is directly related to the safety and stability of the whole engineering. The concrete is used as a main material of the prefabricated pipe piece, the curing process is particularly important, and the correct curing time and method can obviously improve the strength and durability of the concrete and ensure that the prefabricated pipe piece meets the design requirements. The prefabricated pipe piece is maintained in a water curing mode, one mode is manual sprinkling water curing when the prefabricated pipe piece is subjected to water curing, a constructor carries a water pipe to spray water on the surface of the pipe piece in a movable mode, the mode is applied to the condition that the pipe piece yield is small, pipe piece stacking is relatively concentrated, the prefabricated pipe piece is maintained in water, the pipe piece is transported to a curing table by using a movable trolley to achieve pipe piece water curing, recycling of curing water is achieved, the circulating curing frequency is low, a plurality of curing tables are not economical when the pipe piece yield is high, manual investment is high, and the other mode is sprinkling water car sprinkling water curing, so that the method is suitable for the condition that the pipe piece yield is high, vehicle running channels are required to be arranged in a pipe piece storage yard, limited resources are wasted, and the construction cost is high. Disclosure of utility model The technical problem to be solved by the utility model is to provide the shield tunnel prefabricated segment outdoor maintenance device aiming at the defects in the prior art, by arranging a plurality of maintenance devices on the prefabricated segment, the water spraying maintenance range can cover the surface of the whole prefabricated segment without additionally arranging channels, so that the resource waste is avoided, the construction cost is reduced, the maintenance devices are arranged on the prefabricated segment by using the fixing support, the full sprinkling maintenance of the prefabricated segment in the storage area is realized, too much manpower resources are not required to be consumed, the storage area of the segment is effectively utilized, and the maximum resource utilization is realized. The technical scheme adopted by the utility model is that the outdoor curing device for the prefabricated duct piece of the shield tunnel is characterized by comprising a water supply pipe arranged on the prefabricated duct piece, a fixed bracket arranged below the water supply pipe and connected with the prefabricated duct piece, and a plurality of rotary spray heads which are arranged above the water supply pipe and used for carrying out water spraying curing on the prefabricated duct piece; The end part of the water supply pipe is connected with a soft water pipe; The fixing support comprises two fixing units symmetrically arranged below the water supply pipe, the structural dimensions of the two fixing units are the same, the fixing units comprise a mounting seat arranged below the water supply pipe and a fixing frame arranged at the bottom of the mounting seat, the mounting seat is fixedly connected with the water supply pipe, and the mounting seat is connected with the fixing frame through butt-joint threads; the fixing frame comprises two fixing rods symmetrically arranged at the bottom of the mounting seat and a bracket fastener horizontally penetrating between the two fixing rods, and a support pad is arranged at the joint of the fixing rods and the prefabricated duct piece. The shield tunnel prefabricated segment outdoor maintenance device is characterized in that the water supply pipe and the soft water pipe are connected through the connecting assembly, and the connecting assembly comprises a receiving plug arranged at the end part of the water supply pipe and a connecting end head arranged on the soft water pipe and used for being connected with the receiving plug. The outdoor curing device for the prefabricated pipe pieces of the shield tunnel is characterized in that the rotary spray heads are communicated with the water supply pipe through the water supply branch pipes. The shield tunnel prefabricated segment outdoor maintenance device is characterized in that the installation base is of a splayed structure, the butt screw threads are installed at the joint of the fixing rod and the installation base, the fixing rod is of an L-shaped structure, the support fasteners are arranged on the vertical section of the fixing rod, and the sup