CN-121993225-A - Efficient multifunctional spraying maintenance trolley for tunnel secondary lining construction and maintenance method

CN121993225ACN 121993225 ACN121993225 ACN 121993225ACN-121993225-A

Abstract

The invention relates to a high-efficiency multifunctional spraying maintenance trolley for tunnel secondary lining construction and a maintenance method, comprising a support frame, wherein the outline of the support frame is matched with the shape of the section of a tunnel, a plurality of layers of operation platforms which are distributed in a height direction are arranged on the support frame, a through channel for a construction vehicle to pass through is arranged in the middle of the support frame, a spraying system comprises a water retaining structure which is circumferentially arranged along the support frame, a plurality of spraying units which are arranged on the water retaining structure, a first water storage tank which is arranged on the support frame and is used for supplying water to the spraying units, and redundant spraying water can be automatically collected, filtered and recycled through a fluid recovery system which integrates a first collecting device and a second collecting device. Solves the problems of serious water resource waste and great environmental slippery and cleaning difficulty caused by water flowing, and reduces the water cost.

Inventors

LIU QIN
TAN YONGJIN
YANG SHU
ZHANG HUANG
SONG ZUODONG
LUO HUA
ZHANG MIN
JIA HAILONG

Assignees

中铁五局集团第二工程有限责任公司

Dates

Publication Date: 20260508
Application Date: 20260114

Claims (10)

1. The utility model provides a high-efficient multi-functional tunnel two lining construction is with spraying maintenance platform truck which characterized in that includes: the profile of the supporting frame (1) is matched with the shape of the section of the tunnel, the supporting frame (1) is provided with a plurality of layers of work platforms (11) distributed in a distributed manner along the height direction, and the middle part of the supporting frame (1) is provided with a through passage (12) for a construction vehicle to pass through; the spraying system (2) comprises a water retaining structure (21) circumferentially arranged along the supporting frame (1), a plurality of spraying units (22) arranged on the water retaining structure (21), and a first water storage tank (23) arranged on the supporting frame (1) and used for supplying water to the spraying units (22); the fluid recovery system (3) comprises a first collecting device (31) arranged at the upper end of the water retaining structure (21) and kept attached to the inner wall of the tunnel through a transmission mechanism, a second collecting device (32) arranged at the bottom of the water retaining structure (21), and a second water storage tank (33) arranged on the supporting frame (1) and connected with the water retaining structure (21).
2. The high-efficiency multifunctional spraying maintenance trolley for tunnel secondary lining construction according to claim 1, wherein the spraying maintenance trolley is characterized in that: The water retaining structure (21) is a water retaining plate (211), the water retaining plate (211) is arranged on the supporting frame (1) through a fixing rod (212), and the spraying unit (22) is arranged on the water retaining plate (211) and is respectively communicated with the first water storage tank (23) and the second water storage tank (33) through fluid pipelines; the spraying unit (22) is a fan-shaped spray header or a rotary spraying swinging sprinkler.
3. The high-efficiency multifunctional spraying maintenance trolley for tunnel secondary lining construction according to claim 2, wherein the top of the second water storage tank (33) is of an open structure, and the first collecting device (31) comprises: The diversion trench (311) is connected to the end part of the water retaining structure (21) in a sliding way, and one end of the diversion trench extends to the upper part of the opening of the second water storage tank (33); a sliding groove (312) which is connected in a sliding manner along the length direction of the diversion trench (311); And the fixed end of the telescopic driving piece (313) is connected with the diversion trench (311), and the output end of the telescopic driving piece is in driving connection with the sliding trench (312) and is used for pushing the sliding trench (312) to move towards the inner wall of the tunnel.
4. A high efficiency multi-function spray maintenance trolley for tunnel two liner construction according to claim 3, wherein the telescoping drive member (313) comprises: a fixed sleeve (3131) fixed on the diversion trench (311); The telescopic rod (3132) is movably connected in the fixed sleeve (3131) through an elastic piece; The rotating wheel (3133) is rotatably connected to the telescopic rod (3132) through a rotating shaft, and the rotating shaft is fixedly connected with the sliding groove (312).
5. The spray maintenance trolley for the high-efficiency multifunctional tunnel secondary lining construction, as claimed in claim 4, is characterized in that a limit brush (314) is arranged at the end part of the sliding groove (312) close to the rotating wheel (3133).
6. The high-efficiency multifunctional spraying maintenance trolley for tunnel secondary lining construction, as claimed in claim 3, characterized in that the transmission mechanism comprises a linear driving assembly arranged on the second water storage tank (33), the output end of the linear driving assembly is connected with the diversion trench (311) and is used for driving the diversion trench (311) to move along the water retaining structure (21) so as to adjust the distance between the sliding trench (312) and the inner wall of the tunnel; The second water storage tank (33) is provided with a position sensor (315) for detecting the position of the diversion trench (311) or the sliding trench (312).
7. A high efficiency multi-functional spray maintenance trolley for tunnel two-lining construction according to claim 3, characterized in that the second collecting device (32) comprises: a suction assembly (321) comprising a suction hood (3211) connected to the bottom of the water blocking structure (21), and a suction pump (3212) with one end communicating with the suction hood (3211) and the other end communicating with the second water storage tank (33); the lifting driving part (322) is arranged on the second water storage tank (33), and the output end of the lifting driving part is connected with the suction hood (3211) and is used for driving the suction hood (3211) to move along the vertical direction; And the horizontal driving component (323) is connected between the output end of the lifting driving component (322) and the suction cover (3211) and is used for driving the suction cover (3211) to be close to or far away from the inner wall of the tunnel in the horizontal direction.
8. The high-efficiency, multi-functional, spray maintenance trolley for tunnel two-liner construction of claim 7, wherein the spray system (2) further comprises a compensating spray (24), the compensating spray (24) being located at the bottom of the suction hood (3211), comprising: a spray bar (241) rotatably connected to the suction hood (3211) by a support seat, and the spray bar (241) is in fluid communication with the first water storage tank (23) and the second water storage tank (33), respectively; A plurality of nozzles (242) provided on the shower rod (241); And the swinging piece (243) is in driving connection with the spray rod (241) and is used for driving the spray rod (241) to rotate so as to adjust the spray direction of the spray nozzle (242).
9. The high-efficiency multifunctional spraying maintenance trolley for tunnel secondary lining construction according to claim 1, wherein a filter screen (331) is arranged in the second water storage tank (33), a guide plate (332) is arranged at the bottom of the filter screen (331), and a filtering space (333) is formed at the end part of the guide plate (332).
10. A method of spray curing a tunnel liner according to any one of claims 1 to 9, comprising the steps of: S1, arranging a maintenance trolley, namely moving the spraying maintenance trolley in a section to be maintained in a tunnel through a travelling mechanism (4), wherein the trolley is provided with a support frame (1) which is matched with the section shape of the tunnel, and the support frame (1) is provided with a spraying system (2), a fluid recovery system (3), a first water storage tank (23) and a second water storage tank (33); S2, executing spraying operation, namely starting the spraying system (2), and spraying and maintaining the surface of the second lining of the tunnel by using fluid supplied by the first water storage tank (23); S3, recovering and treating backwater, namely collecting liquid flowing downwards along the inner wall of the tunnel through the fluid recovery system (3) while spraying, wherein the liquid at the upper part is collected and guided by a first collecting device (31) attached to the inner wall of the tunnel, the liquid at the bottom is sucked by a second collecting device (32), and the liquid are both recovered into the second water storage tank (33) for filtering; S4, recycling backwater, namely, supplying the recycled water filtered by the second water storage tank (33) to the spraying system (2) for subsequent spraying maintenance operation, and recycling maintenance water.

Description

Efficient multifunctional spraying maintenance trolley for tunnel secondary lining construction and maintenance method Technical Field The invention belongs to the field of tunnel construction, and particularly relates to a high-efficiency multifunctional spraying maintenance trolley for tunnel secondary lining construction and a maintenance method. Background In tunnel engineering construction, the traditional maintenance method is mostly dependent on manual water pipe holding or simple spraying facilities, and has the problems of low operation efficiency, serious water resource waste, uneven maintenance coverage and the like, so that the requirements of modern tunnel engineering on high quality and high efficiency are difficult to meet. Although some existing maintenance trolleys realize mechanical spraying to a certain extent, most maintenance equipment lacks efficient fluid recovery and cyclic utilization mechanisms, sprayed water flows everywhere, water resource waste is caused, and the wet sliding degree and cleaning difficulty of the working environment in a tunnel are increased. Therefore, a need exists for a multifunctional integrated trolley device which can realize efficient, uniform and full-coverage spray maintenance, ensure smooth traffic in tunnels and realize water resource recycling. Disclosure of Invention In order to solve the problems in the prior art, the invention aims to provide a high-efficiency multifunctional spraying maintenance trolley for tunnel secondary lining construction and a maintenance method. The technical scheme adopted by the invention is as follows: The profile of the supporting frame is matched with the shape of the section of the tunnel, a plurality of layers of work platforms which are distributed are arranged on the supporting frame along the height direction, and a through passage for a construction vehicle to pass through is formed in the middle of the supporting frame; The spraying system comprises a water retaining structure, a plurality of spraying units and a first water storage tank, wherein the water retaining structure is circumferentially arranged along the supporting frame, the spraying units are arranged on the water retaining structure, and the first water storage tank is arranged on the supporting frame and used for supplying water to the spraying units; The fluid recovery system comprises a first collecting device, a second collecting device and a second water storage tank, wherein the first collecting device is arranged at the upper end of the water retaining structure and is kept attached to the inner wall of a tunnel through a transmission mechanism, the second collecting device is arranged at the bottom of the water retaining structure, and the second water storage tank is arranged on the supporting frame and is connected with the water retaining structure. As a preferable mode of the invention, the water retaining structure is a water retaining plate, the water retaining plate is arranged on the supporting frame through a fixed rod, and the spraying unit is arranged on the water retaining plate and is respectively communicated with the first water storage tank and the second water storage tank through a fluid pipeline; The spraying unit is a fan-shaped spraying head or a rotary spraying swinging sprinkler. Preferably, the top of the second water storage tank is in an open structure, and the first collecting device comprises: the diversion trench is connected to the end part of the water retaining structure in a sliding way, and one end of the diversion trench extends to the upper part of the opening of the second water storage tank; the sliding groove is connected with the guide groove in a sliding manner along the length direction of the guide groove; And the fixed end of the telescopic driving piece is connected with the diversion trench, and the output end of the telescopic driving piece is in driving connection with the sliding trench and is used for pushing the sliding trench to move towards the inner wall of the tunnel. Preferably, the telescopic driving unit includes: the fixed sleeve is fixed on the diversion trench; the telescopic rod is movably connected in the fixed sleeve through an elastic piece; the rotating wheel is rotationally connected to the telescopic rod through a rotating shaft, and the rotating shaft is fixedly connected with the sliding groove. Preferably, the end of the sliding groove, which is close to the rotating wheel, is provided with a limiting brush. As a preferable mode of the invention, the transmission mechanism comprises a linear driving assembly arranged on the second water storage tank, and the output end of the linear driving assembly is connected with the diversion trench and is used for driving the diversion trench to move along the water retaining structure so as to adjust the distance between the sliding trench and the inner wall of the tunnel; And a position sensor for detecting the position of the di