CN111828023A - Continuous pipe connecting system for slurry shield and construction method thereof - Google Patents
Continuous pipe connecting system for slurry shield and construction method thereof Download PDFInfo
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- CN111828023A CN111828023A CN202010674436.4A CN202010674436A CN111828023A CN 111828023 A CN111828023 A CN 111828023A CN 202010674436 A CN202010674436 A CN 202010674436A CN 111828023 A CN111828023 A CN 111828023A
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- 239000002002 slurry Substances 0.000 title claims abstract description 78
- 238000010276 construction Methods 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 137
- 230000005641 tunneling Effects 0.000 claims description 14
- 230000003068 static effect Effects 0.000 claims description 7
- 238000003032 molecular docking Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 235000006506 Brasenia schreberi Nutrition 0.000 description 2
- 244000267222 Brasenia schreberi Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000034423 Delivery Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0642—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end
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Abstract
The invention relates to a continuous pipe connecting system for a slurry shield and a construction method thereof, wherein the continuous pipe connecting system comprises the following steps: a frame body fixed on the shield machine; a first storage pipe group which is coiled with the frame body and one end of which is communicated with the first connecting pipe group; the first pipe connector is arranged on the frame body in a sliding mode and detachably connected between the first storage pipe group and the first connecting port so as to connect or disconnect the first storage pipe group and the first muddy water pipe group; the second storage pipe group is coiled on the frame body, and one end of the second storage pipe group is communicated with the second connecting pipe group; and the second pipe connecting device is arranged on the frame body in a sliding manner, and the second pipe connecting device is detachably connected between the second storage pipe group and the second connecting port so as to connect or disconnect the second storage pipe group and the first muddy water pipe group. The invention effectively solves the problem of inconvenient pipe connection of the slurry shield, does not need the shield machine to stop working when in pipe connection, can realize continuous pipe connection in the propulsion of the shield machine, improves the construction efficiency and accelerates the construction progress.
Description
Technical Field
The invention relates to the field of shield construction, in particular to a continuous pipe connecting system for a slurry shield and a construction method thereof.
Background
Along with urban development, the slurry shield is applied to urban development and construction more and more, the slurry balance shield machine needs to continuously prolong a slurry pipeline in the propelling process so as to ensure normal delivery of slurry, the shield can be smoothly propelled, however, the pipeline is disconnected when the pipeline needs to be extended in the conventional pipe connecting method, and then pipe connecting work is carried out.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a continuous connecting pipe system for a slurry shield and a construction method thereof, which solve the problem of inconvenient connecting pipe of the slurry shield, do not need the shield machine to stop working during the connecting pipe, can realize continuous connecting pipe during the propulsion of the shield machine, improve the construction efficiency and accelerate the construction progress.
The technical scheme for realizing the purpose is as follows:
the invention provides a continuous pipe connecting system for a slurry shield, wherein a first connecting pipe group and a second connecting pipe group for slurry to circulate are arranged in the slurry shield, a first slurry pipe group for slurry to circulate is arranged in a tunnel excavated by the slurry shield, the first slurry pipe group is formed by splicing a plurality of Y-shaped extension pipes, and one end of each extension pipe, which is close to the slurry shield, is provided with a first connecting port and a second connecting port which can be opened or closed, and the continuous pipe connecting system comprises:
the frame body is fixed on the shield tunneling machine and is propelled along with the shield tunneling machine;
a first storage pipe group is coiled and arranged on the frame body, one end of the first storage pipe group is communicated with the first connecting pipe group, and the other end of the first storage pipe group can be pulled out;
the first pipe connector is arranged on the frame body in a sliding mode and detachably connected between the first storage pipe group and the first connecting port so as to connect or disconnect the first storage pipe group and the first muddy water pipe group;
the second storage pipe group is coiled on the frame body, one end of the second storage pipe group is communicated with the second connecting pipe group, and the other end of the second storage pipe group can be pulled out; and
the second pipe connecting device is arranged on the frame body in a sliding mode and detachably connected between the second storage pipe group and the second connecting port so as to conduct or disconnect the second storage pipe group and the first muddy water pipe group.
The invention provides a continuous pipe connecting system for a slurry shield, wherein when a shield machine is pushed forwards, a first pipe connector is kept static and conducts a first storage pipe and a first connecting port to form a loop for circulating muddy water with a first muddy water pipe group, the flowing of muddy water is ensured at the moment, a second pipe connector is disconnected from the first muddy water pipe group and moves to the end part of a frame body, an extension pipe is connected between a second connecting port of the first muddy water pipe group and the second pipe connector to lengthen the first muddy water pipe group, the second pipe connector is conducted at the moment to enable the second storage pipe to be communicated with the lengthened first muddy water pipe group and form a loop for circulating muddy water, the first pipe connector is disconnected from the first connecting port, the first pipe connector is connected with the lengthened first connecting port of the first muddy water pipe group to form a loop for circulating muddy water, and the first pipe connector and the second pipe connector are alternately conducted as above, make first storage tube group and second holding vessel group and first muddy water nest of tubes turn on in turn to connect the extension pipe when the second connects the pipe ware to switch on in order to connect long first muddy water nest of tubes, solved the inconvenient problem of muddy water shield structure takeover, do not need shield structure machine stop work when takeover, can realize taking over in succession in the propulsion of shield structure machine, promote the efficiency of construction for the construction progress.
The invention further provides a continuous connecting pipe system for a slurry shield, which is characterized in that the first pipe connector comprises:
the other end of the first connecting pipe group is detachably connected to the first muddy water pipe group; and
the first ball valve arranged in the first connection pipe group is used for switching on or off the first storage pipe group and the first muddy water pipe group by opening or closing the first ball valve.
The invention further provides a continuous connecting pipe system for the slurry shield, which is characterized in that the first pipe connector also comprises a first bracket which is arranged on the frame body in a sliding manner, and the first connecting pipe group is fixed on the first bracket.
The invention is further improved in that the first connecting pipe group comprises two first connecting unit pipes, the first muddy water pipe group comprises two first muddy water unit pipes, and the two first muddy water unit pipes are formed by connecting a plurality of extension pipes;
the first storage tube group comprises two first storage unit tubes which are correspondingly connected with the two first connecting unit tubes;
this first nest of tubes of plugging into includes two first unit pipes of plugging into, and this first unit pipe of plugging into is connected between first storage unit pipe and first muddy water unit pipe to form the return circuit that supplies muddy water circulation.
The invention further provides a continuous connecting pipe system for a slurry shield, which is characterized in that the second pipe connector comprises:
one end of the second connecting pipe group is communicated with the second storage pipe group, and the other end of the second connecting pipe group is detachably connected with the first muddy water pipe group; and
and the second ball valve arranged in the second connecting pipe group is used for switching on or off the second storage pipe group and the first muddy water pipe group by opening or closing the second ball valve.
The invention further improves the continuous connecting pipe system for the slurry shield, and the second pipe connector also comprises a second bracket which is arranged on the bracket in a sliding way, and the second connecting pipe group is fixed on the second bracket.
The invention further improves the continuous pipe connecting system for the slurry shield, wherein the second connecting pipe group comprises two second connecting unit pipes, the first slurry pipe group comprises two first slurry unit pipes, and the two first slurry unit pipes are formed by connecting a plurality of extension pipes;
the second storage tube group comprises two second storage unit tubes which are correspondingly connected with the two second connecting unit tubes;
this second nest of tubes of plugging into includes two second unit pipes of plugging into, and the second unit pipe of plugging into is connected between second storage unit pipe and first muddy water unit pipe to form the return circuit that supplies muddy water circulation.
The invention also provides a construction method of the continuous pipe connecting system for the slurry shield, which comprises the following steps:
s11, providing the continuous pipe connecting system, connecting one end of a first storage pipe group with a first connecting pipe group, connecting the other end of the first storage pipe group with a first pipe connector, connecting one end of a second storage pipe group with a second connecting pipe group, and connecting the other end of the second storage pipe group with a second pipe connector;
s12, connecting the first pipe connector with a first connecting port of the first muddy water pipe group to form a loop for muddy water circulation in a conducting mode, and disconnecting the second pipe connector from the second connecting port to avoid muddy water circulation;
s13, the shield tunneling machine is pushed forwards, a second pipe connector is moved forwards to the end portion of the frame body along the frame body, the first pipe connector is kept static relative to the tunnel, and an extension pipe is connected between the second pipe connector and a second connecting port so as to lengthen a first muddy water pipe group;
s14, connecting the second pipe connector with a second connecting port of the lengthened first muddy water pipe group to form a loop for muddy water circulation in a conducting manner, and disconnecting the first pipe connector from the first connecting port to avoid muddy water circulation;
s15, the shield tunneling machine is pushed forwards, the first pipe connector is moved forwards to the end portion of the frame body along the frame body, the second pipe connector is kept static relative to the tunnel, the first pipe connector is connected with the first connecting port of the lengthened first muddy water pipe group to form a loop for muddy water circulation in a conducting mode, and the second pipe connector is disconnected with the second connecting port to avoid muddy water circulation;
and repeating the steps S13-S15 until the tunnel construction is finished.
The invention relates to a construction method of a continuous connecting pipe system for a slurry shield, which is further improved in that a first pipe connector comprises a first connecting pipe group and a first ball valve, wherein one end of the first connecting pipe group is communicated with a first storage pipe group;
connecting the first connecting pipe group with a first connecting port of the first muddy water pipe group, and further opening the first ball valve to enable the first connecting pipe group to be conducted, so that a loop for muddy water to flow is formed;
close first ball valve for the disconnection of the first nest of tubes of plugging into, and then the disconnection first nest of tubes of plugging into is connected with first muddy water nest of tubes, and in order to avoid muddy water to pass through, thereby first adapter can follow the support body and move forward.
The construction method of the continuous connecting pipe system for the slurry shield is further improved in that the second pipe connector comprises a second connecting pipe group and a second ball valve, wherein one end of the second connecting pipe group is communicated with the second storage pipe group;
connecting the second connection pipe group with a second connector of the first muddy water pipe group, and further opening a second ball valve to enable the second connection pipe group to be conducted, so that a loop for muddy water circulation is formed;
close the second ball valve for the disconnection of the second nest of tubes of plugging into, and then the disconnection second nest of tubes of plugging into is connected with first muddy water nest of tubes, and in order to avoid muddy water to pass through, thereby the second adapter can be followed the support body and moved forward.
Drawings
FIG. 1 is a schematic view of the initial state of the continuous pipe connecting system for the slurry shield according to the present invention.
Fig. 2 is a schematic diagram illustrating a forward moving state of a second pipe connector in the continuous pipe connecting system for the slurry shield according to the present invention.
FIG. 3 is a schematic diagram of the pipe connection state of a second pipe connector in the continuous pipe connection system for a slurry shield according to the present invention.
FIG. 4 is an enlarged schematic view of the slurry pipe set and the extension pipe portion of the continuous piping system for a slurry shield according to the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the present invention provides a continuous pipe connection system for a slurry shield and a construction method thereof, wherein when a shield machine is propelled forward, a first pipe connector is kept stationary and connects a first storage pipe and a first connection port to form a circuit for circulating slurry with a first slurry pipe group, at this time, the flow of slurry is ensured, a second pipe connector is disconnected from the first slurry pipe group and moves to the end of a frame body, an extension pipe is connected between a second connection port of the first slurry pipe group and the second pipe connector to lengthen the first slurry pipe group, at this time, the second pipe connector is connected to connect the second storage pipe and the lengthened first slurry pipe group to form a circuit for circulating slurry, then the first pipe connector is disconnected from the first connection port, the first pipe connector is connected to the lengthened first connection port of the first slurry pipe group to form a circuit for circulating slurry, and as the first pipe connector and the second pipe connector are alternately connected, make first storage tube group and second holding vessel group and first muddy water nest of tubes turn on in turn to connect the extension pipe when the second connects the pipe ware to switch on in order to connect long first muddy water nest of tubes, solved the inconvenient problem of muddy water shield structure takeover, do not need shield structure machine stop work when takeover, can realize taking over in succession in the propulsion of shield structure machine, promote the efficiency of construction for the construction progress. The continuous connecting pipe system for the slurry shield is described with reference to the attached drawings.
Referring to fig. 1, fig. 1 is a schematic view of an initial state of a continuous pipe connecting system for a slurry shield according to the present invention. The continuous connecting pipe system for the slurry shield of the invention is described below with reference to fig. 1.
As shown in fig. 1 and 4, the continuous connection pipe system for a slurry shield according to the present invention includes a first connection pipe set and a second connection pipe set for flowing slurry water in the slurry shield, the first slurry pipe set 21 for flowing slurry water in a tunnel excavated by the slurry shield is provided, the first slurry pipe set 21 is formed by splicing a plurality of Y-shaped extension pipes 41, and an openable or closable first connection port 411 and a second connection port 412 are formed at one end of each of the extension pipes close to the slurry shield, and the continuous connection pipe system includes:
a frame body 10 fixed on the shield tunneling machine and propelled along with the shield tunneling machine;
a first storage pipe group 31 which is coiled with the frame body 10 and one end of which is communicated with the first connecting pipe group, and the other end of the first storage pipe group 31 can be pulled out;
a first pipe connector 11 slidably disposed on the frame body 10, wherein the first pipe connector 11 is detachably connected between the first storage pipe set 31 and the first connection port 411 to connect or disconnect the first storage pipe set 31 and the first muddy water pipe set 21;
a second storage tube group 32 coiled on the frame body 10 and having one end for communicating with the second connection tube group, wherein the other end of the second storage tube group 32 can be pulled out; and
the second pipe connector 12 is slidably disposed on the frame body 10, and the second pipe connector 12 is detachably connected between the second storage pipe group 32 and the second connection port 412 to connect or disconnect the second storage pipe group 32 and the first muddy water pipe group 21.
Preferably, the first and second storage tube sets 31 and 32 are U-shaped and placed on the frame 10, and when the first and second pipe connectors 11 and 12 slide back and forth along the frame 10, the first or second storage tube set 31 or 32 is partially pulled out from the frame 10 to match the position of the first or second pipe connector 11 or 12.
As a preferred embodiment of the present invention, as shown in fig. 2 and 3, the first pipe connector 11 includes:
a first connection pipe group 111 having one end connected to the first storage pipe group 31, the other end of the first connection pipe group 111 being detachably connected to the first muddy water pipe group 21; and
the first ball valve 112 disposed in the first connecting pipe set 111 opens or closes the first ball valve 112 to connect or disconnect the first storage pipe set 31 and the first muddy water pipe set 21.
Preferably, the first pipe connector 11 further includes a first bracket 113 slidably disposed on the frame body, and the first pipe connector group 111 is fixed to the first bracket 113.
Specifically, the first connecting pipe group comprises two first connecting unit pipes, the first muddy water pipe group 21 comprises two first muddy water unit pipes, and the two first muddy water unit pipes are formed by connecting a plurality of extension pipes 41;
the first storage tube group 31 includes two first storage unit tubes to be correspondingly connected with the two first connection unit tubes;
this first nest of tubes 111 of plugging into includes two first unit pipes of plugging into, and this first unit pipe of plugging into is connected between first storage unit pipe and first muddy water unit pipe to form the return circuit that supplies muddy water circulation.
Further, the second pipe connector 12 includes:
a second connection pipe group 121 with one end communicated with the second storage pipe group 32, and the other end of the second connection pipe group 121 is detachably connected to the first muddy water pipe group 21; and
the second ball valve 122 disposed in the second connecting tube set 121 opens or closes the second ball valve 122 to connect or disconnect the second storage tube set 32 and the first muddy water tube set 21.
Preferably, the second tube connector 12 further includes a second bracket 123 slidably disposed on the frame body 10, and the second connecting tube set 121 is fixed to the second bracket 123.
Specifically, the second connecting pipe group comprises two second connecting unit pipes, the first muddy water pipe group 21 comprises two first muddy water unit pipes, and the two first muddy water unit pipes are formed by connecting a plurality of extension pipes 41;
the second storage tube group 32 includes two second storage unit tubes to be correspondingly connected with the two second connection unit tubes;
this second nest of tubes 121 of plugging into includes two second unit pipes of plugging into, and the second unit pipe of plugging into is connected between second storage unit pipe and first muddy water unit pipe to form the return circuit that supplies muddy water circulation.
The specific implementation method of the invention is as follows:
connecting one end of a first storage pipe group 31 with a first connecting pipe group, connecting the other end with a first pipe connector 11, connecting one end of a second storage pipe group 32 with a second connecting pipe group, and connecting the other end with a second pipe connector 12;
connecting the first pipe connector 11 with the first connection port 411 of the first muddy water pipe group 21, wherein the first pipe connector 11, the first muddy water pipe group 21, the first storage pipe group 31 and the first connection pipe group form a complete loop, and opening the first ball valve 112 in the first connection pipe group 111 to enable muddy water to flow from the loop into the shield and be discharged from the shield;
at this time, the second pipe connector 12 is disconnected from the second connection port 412 and closes the second connection port 412, and the second ball valve 122 in the second connection pipe group 121 is closed, so that muddy water cannot pass through the second pipe connector 12;
the shield tunneling machine is pushed forwards, the second pipe connector 12 is moved forwards along the frame body 10 to the end part of the frame body 10, the first pipe connector 11 is kept still, the frame body 10 moves forwards relative to the first pipe connector 11, and the extension pipe 41 is connected between the second pipe connector 12 and the second connecting port 412 so as to lengthen the first muddy water pipe group 21;
connecting the second connection pipe group 121 of the second pipe connector 12 with the second connecting port 412 of the extended first muddy water pipe group 21, and opening the second ball valve 122, so that the first muddy water pipe group 21, the second pipe connector 12, the second storage pipe group 32 and the second connecting pipe group form a complete loop, and muddy water can flow into the shield from the loop and be discharged from the shield to the outside;
closing the first ball valve 112, disconnecting the first connection pipe set 111 and the first connection port 411, plugging the first connection port 411, moving the first pipe connector 11 forward to the end of the frame body 10, keeping the second pipe connector 12 still, moving the frame body 10 forward relative to the second pipe connector 12, and connecting the first connection pipe set 111 with the first connection port 411 of the elongated first muddy water pipe set 21;
repeating the steps, alternately using the loop of the first pipe connector 11 and the loop of the second pipe connector 12 to pump and discharge muddy water, and simultaneously connecting the extension pipe 41 to lengthen the first muddy water pipe group 21 until the tunnel construction is finished.
The invention also provides a construction method of the continuous pipe connecting system for the slurry shield, which comprises the following steps:
step S11, providing the continuous pipe connecting system, connecting one end of a first storage pipe group 31 with a first connecting pipe group, connecting the other end of the first storage pipe group with a first pipe connector 11, connecting one end of a second storage pipe group 32 with a second connecting pipe group, and connecting the other end of the second storage pipe group with a second pipe connector 12; then, step S12 is executed
Step S12, connecting the first pipe connector 11 with the first connection port 411 of the first muddy water pipe group 21 to form a loop for circulating muddy water in a conducting manner, and disconnecting the second pipe connector 12 from the second connection port 412 to prevent the muddy water from circulating; then, step S13 is executed
Step S13, the shield tunneling machine is pushed forwards, the second pipe connector 12 is moved forwards along the frame body 10 to the end part of the frame body 10, the first pipe connector 11 is kept static relative to the tunnel, and the extension pipe 41 is connected between the second pipe connector 12 and the second connecting port 412 to lengthen the first muddy water pipe group 21; then, step S14 is executed
Step S14, connecting the second pipe connector 12 with the second connection port 412 of the lengthened first muddy water pipe group 21 to form a loop for circulating muddy water in a conducting manner, and disconnecting the first pipe connector 11 from the first connection port 411 to prevent the muddy water from circulating; then, step S15 is executed
Step S15, the shield tunneling machine is pushed forwards, the first pipe connector 11 is moved forwards to the end of the frame body 10 along the frame body 10, the second pipe connector 12 is kept static relative to the tunnel, the first pipe connector 11 is connected with the first connecting port 411 of the lengthened first muddy water pipe group 21 to form a loop for circulating muddy water in a conducting mode, and the second pipe connector 12 is disconnected with the second connecting port 412 to avoid the circulation of muddy water;
and repeating the steps S13-S15 until the tunnel construction is finished.
Further, the first pipe connector 11 includes a first connecting pipe set 111 having one end communicating with the first storage pipe set 31, and a first ball valve 112 disposed in the first connecting pipe set 111;
connecting the first connecting pipe group 111 with the first muddy water pipe group 21, and further opening the first ball valve 112 to conduct the first connecting pipe group 111, so as to form a loop for muddy water circulation;
the first ball valve 112 is closed, so that the first docking tube set 111 is disconnected, and the first docking tube set 111 is disconnected from the first muddy water tube set 21 to prevent muddy water from passing through, so that the first pipe adaptor 11 can move forward along the frame body 10.
Further, the second pipe connector 12 includes a second connection pipe set 121 having one end communicating with the second storage pipe set 32, and a second ball valve 122 disposed in the second connection pipe set 121;
connecting the second connection pipe set 121 with the first connection port 411 of the first muddy water pipe set 21, and further opening the second ball valve 122, so that the second connection pipe set 121 is conducted, thereby forming a loop for circulating muddy water;
the second ball valve 122 is closed, so that the second docking tube set 121 is disconnected, and the second docking tube set 121 is disconnected from the first muddy water tube set 21 to prevent muddy water from passing through, so that the second pipe adaptor 12 can move forward along the frame body 10.
The concrete operation mode of the construction method provided by the invention is as follows:
connecting one end of a first storage pipe group 31 with a first connecting pipe group, connecting the other end with a first pipe connector 11, connecting one end of a second storage pipe group 32 with a second connecting pipe group, and connecting the other end with a second pipe connector 12;
connecting the first pipe connector 11 with the first connection port 411 of the first muddy water pipe group 21, wherein the first pipe connector 11, the first muddy water pipe group 21, the first storage pipe group 31 and the first connection pipe group form a complete loop, and opening the first ball valve 112 in the first connection pipe group 111 to enable muddy water to flow from the loop into the shield and be discharged from the shield;
at this time, the second pipe connector 12 is disconnected from the second connection port 412 and closes the second connection port 412, and the second ball valve 122 in the second connection pipe group 121 is closed, so that muddy water cannot pass through the second pipe connector 12;
the shield tunneling machine is pushed forwards, the second pipe connector 12 is moved forwards along the frame body 10 to the end part of the frame body 10, the first pipe connector 11 is kept still, the frame body 10 moves forwards relative to the first pipe connector 11, and the extension pipe 41 is connected between the second pipe connector 12 and the second connecting port 412 so as to lengthen the first muddy water pipe group 21;
connecting the second connection pipe group 121 of the second pipe connector 12 with the second connecting port 412 of the extended first muddy water pipe group 21, and opening the second ball valve 122, so that the first muddy water pipe group 21, the second pipe connector 12, the second storage pipe group 32 and the second connecting pipe group form a complete loop, and muddy water can flow into the shield from the loop and be discharged from the shield to the outside;
closing the first ball valve 112, disconnecting the first connection pipe set 111 and the first connection port 411, plugging the first connection port 411, moving the first pipe connector 11 forward to the end of the frame body 10, keeping the second pipe connector 12 still, moving the frame body 10 forward relative to the second pipe connector 12, and connecting the first connection pipe set 111 with the first connection port 411 of the elongated first muddy water pipe set 21;
repeating the steps, alternately using the loop of the first pipe connector 11 and the loop of the second pipe connector 12 to pump and discharge muddy water, and simultaneously connecting the extension pipe 41 to lengthen the first muddy water pipe group 21 until the tunnel construction is finished.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. The utility model provides a continuous takeover system for slurry shield, its characterized in that, be provided with in the slurry shield and supply the first connecting pipe group and the second connecting pipe group of muddy water circulation, be provided with the first muddy water pipe group that supplies muddy water circulation in the tunnel that slurry shield excavated, first muddy water pipe group is formed by a plurality of extension pipes concatenations that are Y shape, just the extension pipe is close to the one end of slurry shield is formed with first connector and the second connector that can open or confined, continuous takeover system includes:
the frame body is fixed on the shield tunneling machine and is propelled along with the shield tunneling machine;
the first storage pipe group is coiled on the frame body, one end of the first storage pipe group is communicated with the first connecting pipe group, and the other end of the first storage pipe group can be pulled out outwards;
the first pipe connector is arranged on the frame body in a sliding mode, and the first pipe connector is detachably connected between the first storage pipe group and the first connecting port so as to connect or disconnect the first storage pipe group and the first muddy water pipe group;
the second storage pipe group is coiled on the frame body, one end of the second storage pipe group is communicated with the second connecting pipe group, and the other end of the second storage pipe group can be pulled out outwards; and
the second pipe connecting device is arranged on the frame body in a sliding mode, and the second pipe connecting device is detachably connected between the second storage pipe group and the second connecting port so as to be connected or disconnected with the second storage pipe group and the first muddy water pipe group.
2. The continuous pipe connection system for a slurry shield of claim 1, wherein the first pipe connector comprises:
the other end of the first connecting pipe group is detachably connected to the first muddy water pipe group; and
the first ball valve arranged in the first connection pipe group is opened or closed to connect or disconnect the first storage pipe group and the first muddy water pipe group.
3. The continuous pipe connection system for a slurry shield as claimed in claim 2, wherein the first pipe connector further comprises a first bracket slidably disposed on the frame body, and the first connection pipe set is fixed to the first bracket.
4. The continuous pipe connecting system for a slurry shield according to claim 2, wherein the first connecting pipe group comprises two first connecting unit pipes, the first slurry pipe group comprises two first slurry unit pipes, and the two first slurry unit pipes are formed by connecting a plurality of extension pipes;
the first storage tube group comprises two first storage unit tubes which are correspondingly connected with the two first connecting unit tubes;
the first connection pipe group comprises two first connection unit pipes, and the first connection unit pipes are connected between the first storage unit pipes and the first muddy water unit pipes to form a loop for muddy water circulation.
5. The continuous pipe connection system for a slurry shield as claimed in claim 1, wherein the second pipe connector comprises:
a second connecting pipe group with one end communicated with the second storage pipe group, wherein the other end of the second connecting pipe group is detachably connected to the first muddy water pipe group; and
and the second ball valve is arranged in the second connecting pipe group, and the second storage pipe group and the first muddy water pipe group are connected or disconnected by opening or closing the second ball valve.
6. The continuous pipe connection system for a slurry shield as claimed in claim 5, wherein the second pipe connector further comprises a second bracket slidably disposed on the frame body, and the second connection pipe set is fixed to the second bracket.
7. The continuous pipe connecting system for the slurry shield according to claim 5, wherein the second connecting pipe set comprises two second connecting unit pipes, the first slurry pipe set comprises two first slurry unit pipes, and the two first slurry unit pipes are formed by connecting a plurality of extension pipes;
the second storage pipe group comprises two second storage unit pipes which are correspondingly connected with the two second connecting unit pipes;
the second connection pipe group comprises two second connection unit pipes, and the second connection unit pipes are connected between the second storage unit pipes and the first muddy water unit pipes to form a loop for muddy water circulation.
8. A construction method of a continuous pipe connecting system for a slurry shield according to claim 1, characterized by comprising the steps of:
s11, providing the continuous pipe connecting system, connecting one end of the first storage pipe group with the first connecting pipe group, connecting the other end of the first storage pipe group with the first pipe connector, connecting one end of the second storage pipe group with the second connecting pipe group, and connecting the other end of the second storage pipe group with the second pipe connector;
s12, connecting the first pipe connector with a first connecting port of the first muddy water pipe group to form a loop for muddy water circulation in a conducting mode, and disconnecting the second pipe connector from the second connecting port to avoid muddy water circulation;
s13, the shield tunneling machine is pushed forwards, the second pipe connector is moved forwards to the end portion of the frame body along the frame body, the first pipe connector is kept static relative to the tunnel, and the extension pipe is connected between the second pipe connector and the second connecting port so as to lengthen the first muddy water pipe group;
s14, connecting the second pipe connector with a second connecting port of the lengthened first muddy water pipe group to form a loop for muddy water circulation in a conducting manner, and disconnecting the first pipe connector from the first connecting port to avoid muddy water circulation;
s15, the shield tunneling machine is pushed forwards, the first pipe connector is moved forwards to the end portion of the frame body along the frame body, the second pipe connector is kept static relative to the tunnel, the first pipe connector is connected with a first connecting port of the lengthened first muddy water pipe group to form a loop for muddy water circulation in a conducting mode, and the second pipe connector is disconnected with the second connecting port to avoid muddy water circulation;
and repeating the steps S13-S15 until the tunnel construction is finished.
9. The construction method of a continuous connection pipe system for a slurry shield according to claim 8, wherein the first pipe connector comprises a first connection pipe group with one end communicated with the first storage pipe group and a first ball valve arranged in the first connection pipe group;
connecting the first connection pipe group with a first connector of the first muddy water pipe group, and further opening the first ball valve to enable the first connection pipe group to be conducted, so that a loop for muddy water to circulate is formed;
and closing the first ball valve to disconnect the first connection pipe group, and further disconnecting the first connection pipe group from the first muddy water pipe group to prevent muddy water from passing through, so that the first pipe connector can move forwards along the frame body.
10. The construction method of a continuous connection pipe system for a slurry shield according to claim 8, wherein the second pipe connector comprises a second connection pipe group with one end communicated with the second storage pipe group and a second ball valve arranged in the second connection pipe group;
connecting the second connection pipe group with a second connecting port of the first muddy water pipe group, and further opening the second ball valve to enable the second connection pipe group to be conducted, so that a loop for muddy water to circulate is formed;
and closing the second ball valve to disconnect the second connection pipe group, and further disconnecting the second connection pipe group from the first muddy water pipe group to prevent muddy water from passing through, so that the second pipe connector can move forwards along the frame body.
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| CN112377207A (en) * | 2020-11-26 | 2021-02-19 | 徐工集团凯宫重工南京股份有限公司 | Pipeline extension device and shield tunneling machine in tunneling mode |
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Inventor after: Liu Zhihui Inventor after: Huang Jian Inventor after: Shi Yuanqi Inventor after: Xu Xiaolei Inventor after: Zhai Yixin Inventor after: Zhu Yanfei Inventor after: Wang Luhe Inventor after: Pan Wangyang Inventor after: Fei Junjie Inventor after: Chen Ding Inventor after: Fang Haizhen Inventor before: Liu Zhihui Inventor before: Huang Jian Inventor before: Shi Yuanqi Inventor before: Xu Xiaolei Inventor before: Qu Yixin Inventor before: Zhu Yanfei Inventor before: Wang Luhe Inventor before: Pan Wangyang Inventor before: Fei Junjie Inventor before: Chen Ding Inventor before: Fang Haizhen |