Grouting pipe network underground structure for preventing water leakage of urban rail transit

Abstract

The utility model discloses a grouting pipe network underground structure for preventing water leakage of urban rail transit, which belongs to the technical field of urban rail transit construction, and comprises a main branch pipe, a plurality of secondary branch pipes are fixedly connected in the main branch pipe, and the secondary branch pipes are connected with the main branch pipe. A plurality of grouting pipelines are fixedly connected to the interiors of the main branch pipe and the secondary branch pipe, sealing mechanisms are fixedly installed on the surfaces of the grouting pipelines, connecting mechanisms are fixedly installed in the main branch pipe, the inserting blocks are movably inserted in inserting holes, through grooves are formed in the surfaces of the inserting blocks, and rotating shafts are rotatably connected to the interiors of the through grooves; a clamping block is fixedly installed on the surface of the rotating shaft and movably attached to the surface of the annular plate, the sealing mechanism can selectively seal the grouting hole, sealing of the sealing mechanism is canceled during grouting, the connecting mechanism achieves quick connection between the main branch pipe and external grouting equipment, and grouting work is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to urban rail transit construction technical field especially, and relates to a kind of grouting pipe network underground structure for preventing urban rail transit water leakage. BACKGROUND

[0002] With the large-scale development of city, the traffic tool of citizen travel is also constantly improving;Combined with the development and utilization of underground space, urban rail transit becomes the standard of whether a city is prosperous or not.But as underground structure, rail transit engineering is influenced by groundwater, and for the city and region rich in groundwater, it is easy to cause structure water leakage, affect engineering quality and citizen travel safety.

[0003] Leakage channel must exist when structure appears water leakage, and only the leakage channel is filled dense can the fundamental problem be solved, the method commonly used in construction has the plugging of water-swelling polyurethane, epoxy resin and leak stopper king, but this kind of process can only be plugged in structure, it can lead to another leakage point after one place is plugged, or the durability of such material is poor, and leakage water appears again after material failure for a long time, therefore grouting can be selected for plugging, but the connection of grouting pipe and external grouting equipment is not close enough, which affects the effect of later plugging.

[0004] Therefore, it is urgent to provide a grouting pipe network underground structure for preventing urban rail transit water leakage to solve the above problems. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art, and provide a grouting pipe network underground structure for preventing urban rail transit water leakage.

[0006] To solve the above technical problems, one technical scheme of the utility model is to provide a grouting pipe network underground structure for preventing urban rail transit water leakage, which comprises a main branch pipe, a plurality of secondary branch pipes are fixedly connected inside the main branch pipe, and further comprises;

[0007] A plurality of grouting pipes are fixedly connected inside the main branch pipe and the secondary branch pipe, a sealing mechanism is fixedly installed on the surface of the grouting pipe, and a connecting mechanism is fixedly installed inside the main branch pipe.

[0008] The utility model is further provided as follows: the main branch pipe is annularly distributed, a grout inlet is formed on the surface of the main branch pipe, a first fixed plate is fixedly installed on the surface of the grout inlet, a plurality of insertion holes are formed on the surface of the first fixed plate, an annular plate is fixedly installed on the surface of the grout inlet, and an elastic pad is fixedly installed on the surface of the first fixed plate.

[0009] Through the technical scheme, the pulp inlet is used for butt joint with the external connecting pipe of the grouting equipment, the insertion hole is arranged to facilitate the insertion of the insertion block, and then the insertion block can be moved to the position of the annular plate, so that the clamping block abuts against the annular plate, the elastic pad plays a sealing role, and meanwhile the first fixed plate has a descending space.

[0010] The utility model further sets up: the secondary branch pipe is arranged to multiple and is longitudinal arrangement, the pipe diameter of main branch pipe and secondary branch pipe is within 30mm-40mm.

[0011] Through the technical scheme, the secondary branch pipe is longitudinally distributed and penetrates through the whole structure height, and according to the engineering scale and grouting quantity requirement, the secondary branch pipe with suitable pipe diameter is selected.

[0012] The utility model further sets up: the grouting pipeline surface is equipped with a plurality of grouting holes, and the distance between the adjacent two grouting holes is within 0.5m-1m.

[0013] Through the technical scheme, the grouting hole is used for filling the pulp into the structure, the distance between the grouting holes is arranged within 0.5m-1m, the uniformity of grouting is guaranteed, and the grouting effect can be avoided due to the too dense grouting holes.

[0014] The utility model further sets up: the sealing mechanism includes fixed block, the fixed block is fixedly connected on the surface of grouting hole, the fixed block is fixedly connected with the inside of inflation pipe, the inflation pipe surface is fixedly installed with two gasbags, and the gasbag is fixedly installed in the inside of grouting hole.

[0015] Through the technical scheme, the sealing mechanism is used for the sealing work of grouting hole, when needing to seal the grouting hole, the gas in the gasbag is injected through the inflation pipe, the gasbag is inflated to block the grouting hole, and when grouting, the gas in the gasbag is discharged.

[0016] The utility model further sets up: the connecting mechanism includes external connecting pipe, the end of external connecting pipe is fixedly installed with second fixed plate, the elastic pad is located in the middle of first fixed plate and second fixed plate, the lower surface of second fixed plate is fixedly installed with a plurality of insertion blocks, the insertion block is movably inserted in the insertion hole, the surface of insertion block is equipped with through groove, the through groove is rotatably connected with the shaft, the surface of shaft is fixedly installed with clamping block, and the surface of clamping block is movably attached with annular plate.

[0017] Through the technical scheme, when needing to connect the main branch pipe with the grouting equipment, the external connecting pipe is inserted into the inside of pulp inlet, at this time, the insertion block is inserted into the insertion hole and moves downward, the clamping block is withdrawn into the through groove under the limitation of insertion hole, when the clamping block moves to the position of annular plate, the clamping block is rotated from vertical to horizontal under the action of torsional spring and abuts against the lower surface of annular plate, the external connecting pipe and pulp inlet form stable connection, thereby starting grouting work.

[0018] The utility model further sets up: the inner wall of the through groove and the middle fixed connection of clamping block have torsional spring, the pivot runs through torsional spring inside, the lower surface fixed mounting of second fixed plate has a plurality of springs, the plug block runs through spring inside, the other end of spring and the surface of first fixed plate are active and stick together.

[0019] Through above-mentioned technical scheme, torsional spring makes clamping block can rebound and form abutment with annular plate, at this moment spring is in extrusion state, when the grouting work is completed, through the recovery effect of spring, can make external connection pipe remove from inside of grouting port fast.

[0020] The utility model discloses the beneficial effect is as follows:

[0021] The utility model discloses setting up sealing mechanism and connecting mechanism, and sealing mechanism can be selectively sealed to grouting hole, and sealing mechanism cancels sealing when grouting, and connecting mechanism realizes the quick connection between main branch pipe and external grouting equipment, and it is convenient for grouting work, and the compactness of grouting pipe and external grouting equipment is improved, and the effect of plugging is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the three-dimensional structure schematic diagram of the utility model device;

[0023] Figure 2 It is the grouting pipeline structure schematic diagram of the utility model device;

[0024] Figure 3 It is the connecting mechanism structure schematic diagram of the utility model device;

[0025] Figure 4 It is the Figure 3 It is the structure enlarged schematic diagram of A place in the middle.

[0026] In the drawing: 1, main branch pipe;11, grouting port;12, first fixed plate;13, plug hole;14, annular plate;15, elastic pad;2, secondary branch pipe;3, grouting pipeline;31, grouting hole;4, sealing mechanism;41, fixed block;42, inflatable pipe;43, air bag;5, connecting mechanism;51, external connection pipe;52, second fixed plate;53, plug block;54, through groove;55, pivot;56, clamping block;57, torsional spring;58, spring. DETAILED DESCRIPTION

[0027] The preferred embodiments of the utility model are described in detail below in combination with the drawings, so that the advantages and characteristics of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model is defined more clearly and explicitly.

[0028] Please refer to Figures 1-4The application provides a grouting pipe network underground structure for preventing urban rail transit water leakage, which comprises a main branch pipe 1, and a plurality of secondary branch pipes 2 are fixedly connected in the main branch pipe 1.

[0029] As shown in the figure, the main branch pipe 1 is annularly distributed, the surface of the main branch pipe 1 is provided with a grout inlet 11, the surface of the grout inlet 11 is fixedly provided with a first fixed plate 12, a plurality of insertion holes 13 are formed in the surface of the first fixed plate 12, the surface of the grout inlet 11 is fixedly provided with an annular plate 14, and the surface of the first fixed plate 12 is fixedly provided with an elastic pad 15. Figure 3 In the embodiment, the grout inlet 11 is used for being connected with an external pipe 51 of a grouting device, the insertion holes 13 are arranged to facilitate the insertion of an insertion block 53, so that the insertion block 53 can be moved to the position of the annular plate 14, the clamping block 56 is in abutment with the annular plate 14, the elastic pad 15 plays a sealing role, and the first fixed plate 12 has a falling space.

[0030] As shown in the figure, the secondary branch pipes 2 are arranged in multiple and longitudinally arranged, and the pipe diameters of the main branch pipe 1 and the secondary branch pipes 2 are within 30mm-40mm.

[0031] Figure 1 In the embodiment, the secondary branch pipes 2 are longitudinally distributed and penetrate through the whole structure height, and the secondary branch pipes 2 with appropriate pipe diameters are selected according to the engineering scale and the grouting amount requirement.

[0032] The inside of the main branch pipe 1 and the secondary branch pipes 2 is fixedly connected with a plurality of grouting pipes 3, the surface of the grouting pipes 3 is fixedly provided with a sealing mechanism 4, and the inside of the main branch pipe 1 is fixedly provided with a connecting mechanism 5.

[0033] As shown in the figure, a plurality of grouting holes 31 are formed in the surface of the grouting pipe 3, and the distance between two adjacent grouting holes 31 is within 0.5m-1m.

[0034] In the embodiment, the grouting holes 31 are used for filling the grout into the structure, the distance between the grouting holes 31 is arranged to be within 0.5m-1m, so that the uniformity of grouting is ensured, and the influence of the grouting effect caused by the too dense grouting holes 31 is avoided. Figure 2 As shown in the figure, the sealing mechanism 4 comprises a fixed block 41, the fixed block 41 is fixedly connected to the surface of the grouting hole 31, the inside of the fixed block 41 is fixedly connected with an inflation pipe 42, the surface of the inflation pipe 42 is fixedly provided with two air bags 43, and the air bags 43 are fixedly installed in the inside of the grouting hole 31.

[0035] In the embodiment, the grouting holes 31 are used for filling the grout into the structure, the distance between the grouting holes 31 is arranged to be within 0.5m-1m, so that the uniformity of grouting is ensured, and the influence of the grouting effect caused by the too dense grouting holes 31 is avoided.

[0036] Figure 2 As shown in the figure, the sealing mechanism 4 comprises a fixed block 41, the fixed block 41 is fixedly connected to the surface of the grouting hole 31, the inside of the fixed block 41 is fixedly connected with an inflation pipe 42, the surface of the inflation pipe 42 is fixedly provided with two air bags 43, and the air bags 43 are fixedly installed in the inside of the grouting hole 31.

[0037] ​​In the embodiment, the sealing mechanism 4 is used for sealing the grouting hole 31, when the grouting hole 31 needs to be sealed, the gas bag 43 is inflated to block the grouting hole 31 by injecting gas into the gas bag 43 through the inflation pipe 42, and the gas in the gas bag 43 is discharged when grouting.

[0038] As shown in Figure 3 The connecting mechanism 5 comprises an external connecting pipe 51, the end of the external connecting pipe 51 is fixedly installed with a second fixed plate 52, the elastic pad 15 is located between the first fixed plate 12 and the second fixed plate 52, the lower surface of the second fixed plate 52 is fixedly installed with a plurality of plug blocks 53, the plug blocks 53 are movably inserted into the plug holes 13, the plug blocks 53 are provided with through grooves 54, the through grooves 54 are rotatably connected with rotating shafts 55, the rotating shafts 55 are fixedly installed with clamping blocks 56, and the clamping blocks 56 are movably attached to the surface of the annular plate 14.

[0039] In the embodiment, when the main branch pipe 1 needs to be connected with the grouting equipment, the external connecting pipe 51 is inserted into the grouting inlet 11, at this time, the plug blocks 53 are inserted into the plug holes 13 and move downward, the clamping blocks 56 are withdrawn into the through grooves 54 under the limitation of the plug holes 13, when the clamping blocks 56 move to the position of the annular plate 14, the clamping blocks 56 are rotated from vertical to horizontal under the action of the torsional springs 57 and abut against the lower surface of the annular plate 14, the external connecting pipe 51 is stably connected with the grouting inlet 11, and thus the grouting work is started.

[0040] As shown in Figure 3 The inner wall of the through groove 54 and the clamping block 56 are fixedly connected with the torsional spring 57, the rotating shaft 55 penetrates through the torsional spring 57, the lower surface of the second fixed plate 52 is fixedly installed with a plurality of springs 58, the plug blocks 53 penetrate through the springs 58, and the other end of the spring 58 is movably attached to the surface of the first fixed plate 12.

[0041] In the embodiment, the torsional spring 57 enables the clamping block 56 to rebound and abut against the annular plate 14, at this time, the spring 58 is in a compressed state, and when the grouting work is completed, the external connecting pipe 51 can be quickly moved out of the grouting inlet 11 by the restoring action of the spring 58.

[0042] In the embodiment, the torsional spring 57 enables the clamping block 56 to rebound and abut against the annular plate 14, at this time, the spring 58 is in a compressed state, and when the grouting work is completed, the external connecting pipe 51 can be quickly moved out of the grouting inlet 11 by the restoring action of the spring 58.

[0043] The above only describes the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which is made by using the content of the present application specification and drawings, is also included in the patent protection scope of the present application.

Claims

1. A grouting pipe network underground structure for preventing leakage of urban rail transit, comprising a main branch pipe (1), characterized in that, The main branch pipe (1) is internally fixedly connected with a plurality of secondary branch pipes (2), and further comprises; The main branch pipe (1) and the secondary branch pipe (2) are internally fixedly connected with a plurality of grouting pipes (3), the surface of the grouting pipe (3) is fixedly installed with a sealing mechanism (4), and the inside of the main branch pipe (1) is fixedly installed with a connecting mechanism (5); The main branch pipe (1) is annularly distributed, the surface of the main branch pipe (1) is provided with a grout inlet (11), the surface of the grout inlet (11) is fixedly installed with a first fixed plate (12), a plurality of jack plugs (13) are formed in the surface of the first fixed plate (12), the surface of the grout inlet (11) is fixedly installed with an annular plate (14), and the surface of the first fixed plate (12) is fixedly installed with an elastic pad (15); The sealing mechanism (4) comprises a fixed block (41), the fixed block (41) is fixedly connected to the surface of the grouting hole (31), the inside of the fixed block (41) is fixedly connected with an inflation pipe (42), the surface of the inflation pipe (42) is fixedly installed with two air bags (43), and the air bags (43) are fixedly installed in the inside of the grouting hole (31); The connecting mechanism (5) comprises an external connecting pipe (51), the end of the external connecting pipe (51) is fixedly installed with a second fixed plate (52), the elastic pad (15) is located between the first fixed plate (12) and the second fixed plate (52), the lower surface of the second fixed plate (52) is fixedly installed with a plurality of plug blocks (53), the plug blocks (53) are movably inserted into the jack plugs (13), the surface of the plug blocks (53) is provided with a through groove (54), the through groove (54) is rotatably connected with a rotating shaft (55), the surface of the rotating shaft (55) is fixedly installed with a clamping block (56), and the surface of the clamping block (56) is movably attached to the annular plate (14); The inner wall of the through groove (54) and the clamping block (56) are fixedly connected with a torsional spring (57) therebetween, the rotating shaft (55) penetrates through the inside of the torsional spring (57), the lower surface of the second fixed plate (52) is fixedly installed with a plurality of springs (58), the plug blocks (53) penetrate through the inside of the springs (58), and the other end of the spring (58) is movably attached to the surface of the first fixed plate (12).

2. The grouting pipe network underground structure for preventing leakage of urban rail transit according to claim 1, characterized in that: The secondary branch pipe (2) is arranged in multiple and arranged longitudinally, and the pipe diameter of the main branch pipe (1) and the secondary branch pipe (2) is within 30mm-40mm.

3. The grouting pipe network underground structure for preventing leakage of urban rail transit according to claim 1, characterized in that: A plurality of grouting holes (31) are formed in the surface of the grouting pipe (3), and the distance between two adjacent grouting holes (31) is within 0.5m-1m.

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