CN107387100B - Shield constructs machine that possesses freezing reinforcement function - Google Patents
Shield constructs machine that possesses freezing reinforcement function Download PDFInfo
- Publication number
- CN107387100B CN107387100B CN201710725394.0A CN201710725394A CN107387100B CN 107387100 B CN107387100 B CN 107387100B CN 201710725394 A CN201710725394 A CN 201710725394A CN 107387100 B CN107387100 B CN 107387100B
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- Prior art keywords
- shield
- shield body
- freezing
- pipeline
- refrigeration cycle
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Links
- 238000007710 freezing Methods 0.000 title claims abstract description 65
- 230000008014 freezing Effects 0.000 title claims abstract description 65
- 230000002787 reinforcement Effects 0.000 title claims abstract description 21
- 238000005057 refrigeration Methods 0.000 claims description 56
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 230000008676 import Effects 0.000 claims description 11
- 230000005641 tunneling Effects 0.000 claims description 10
- 239000002689 soil Substances 0.000 abstract description 15
- 239000002893 slag Substances 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 17
- 238000010276 construction Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The application discloses a shield machine with a freezing reinforcement function, which comprises a cutter disc, a cutter disc main cutter beam, a shield body, a central rotary joint and a refrigerating unit, wherein the cutter disc main cutter beam, the shield body, the central rotary joint and the refrigerating unit are arranged on the cutter disc, an input channel and an output channel are arranged on the central rotary joint, an inlet of the cutter disc freezing circulation pipeline is communicated with an outlet of the input channel in the central rotary joint, an inlet of the input channel is communicated with an outlet of the refrigerating unit, an outlet of the cutter disc freezing circulation pipeline is communicated with an inlet of the output channel in the central rotary joint, an outlet of the output pipeline is communicated with an inlet of the refrigerating unit, a shield body freezing circulation pipeline is arranged on the shield body, an inlet of the shield body freezing circulation pipeline is communicated with an outlet of the refrigerating unit, and slag soil in a face and a soil bin is frozen and reinforced through the cutter disc freezing circulation pipeline and the shield body freezing circulation pipeline.
Description
Technical Field
The application belongs to the field of tunnel shield tunneling machine equipment, and particularly relates to a shield tunneling machine capable of carrying out freezing reinforcement on stratum and balancing soil pressure and muddy water.
Background
At present, in the process of excavating a tunnel, a tunnel construction method of supporting a tunnel face while tunneling is performed by cutting a cutter, so that the shield can be damaged by abrasion of a cutter head and the cutter during the shield tunneling process, and the cutter needs to be stopped for maintenance or replaced. When personnel enter the warehouse, the tunnel face needs to be reinforced, so that major accidents such as casualties caused by collapse of the tunnel face are avoided. In the prior art, the operation of entering the soil bin generally adopts a method of entering the bin under pressure or reinforcing the ground. The pressurized bin is formed by adding compressed air into the soil bin, so that the stability of the face is kept, professional technicians are needed, the construction difficulty is high, the technical requirement is high, and certain safety risk exists. The ground reinforcement is to carry out concrete reinforcement to the shield tunnel face from ground, and is high in cost, needs to control construction sites, and is great in environmental impact and long in time consumption.
Disclosure of Invention
The application mainly solves the technical problem of providing the shield tunneling machine with the freezing function, which can ensure that the tunnel face is fast and stable, has small construction difficulty, environment protection and low cost, ensures the tunneling construction progress, has good stability effect of the tunnel face and ensures the safety of operators in the process of maintaining cutters.
In order to solve the technical problems, the application adopts the following technical scheme: the utility model provides a shield constructs machine that possesses freezing reinforcement function, including blade disc, the blade disc owner roof beam of setting on the blade disc, the shield body, center gyration connect, the shield constructs the machine that possesses freezing reinforcement function still includes the refrigerating unit, center gyration connects and is provided with input channel and output channel, laid the freezing circulation pipeline of blade disc on the blade disc, the import of the freezing circulation pipeline of blade disc with the export intercommunication of input channel in the center gyration connects, the import of input channel with the export intercommunication of refrigerating unit, the export of the freezing circulation pipeline of blade disc with the import intercommunication of output channel in the center gyration connects, the export of output pipeline with the import intercommunication of refrigerating unit, be provided with the shield body freezing circulation pipeline on the shield body, the import of the freezing circulation pipeline of shield body with the export intercommunication of refrigerating unit, the export of shield body circulation pipeline with the import intercommunication of refrigerating unit.
Further preferably, the cutterhead refrigeration cycle pipeline is coiled around the outer peripheral surface of the cutterhead main beam, and is further distributed radially on the cutterhead.
Further preferably, the cutterhead freezing cycle pipeline comprises N cutterhead freezing cycle sub-pipelines, the cutterhead is divided into N areas, wherein N is more than or equal to 1, each cutterhead freezing cycle sub-pipeline is correspondingly arranged on the cutterhead main beam in one area of the cutterhead, the input channels and the output channels on the central swivel joint are arranged into N groups, each group comprises one input channel and one output channel, and one group of input channels and one group of output channels are correspondingly connected into one cutterhead freezing cycle sub-pipeline.
Further preferably, the shield body refrigeration cycle pipeline comprises M shield body refrigeration cycle branch pipelines, wherein M is more than or equal to 1, the inlet of each shield body refrigeration cycle branch pipeline is communicated with the outlet of the refrigerating unit, and the outlet of each shield body refrigeration cycle branch pipeline is communicated with the inlet of the refrigerating unit.
Further preferably, each shield body refrigeration cycle branch pipeline is arranged inside the shield body.
Still preferably, each shield body refrigeration cycle branch pipe comprises a front portion, a tail portion and a connecting portion, wherein the front portion is arranged on the inner peripheral surface of the front end of the shield body and extends along the circumferential direction of the inner peripheral surface of the shield body, the tail portion is arranged on the inner peripheral surface of the tail end of the shield body and extends along the circumferential direction of the inner peripheral surface of the shield body, the connecting portion is communicated between the front portion and the tail portion and extends along the axial direction of the shield body, and the front portion, the connecting portion, the tail portion and the refrigerating unit are connected to form a circulating loop.
Further preferably, the M shield body refrigeration circulation branch pipes are sequentially arranged from the first strip to the M th strip from inside to outside.
The beneficial effects of the application are as follows: the cutterhead and the shield body are respectively provided with a cutterhead freezing circulation pipeline and a shield body freezing circulation pipeline. When the cutter on the cutterhead is required to be maintained or replaced, only the refrigerating unit is started, the refrigerating fluid in the refrigerating unit flows into the cutterhead refrigerating circulation pipeline and the shield body refrigerating circulation pipeline, and the refrigerating fluid in the cutterhead refrigerating circulation pipeline exchanges heat with the soil bin and the tunnel face to freeze and strengthen the tunnel face and the muck in the soil bin. The freezing circulation pipeline of the shield body freezes and reinforces the inner wall of the tunnel, especially the inner wall of the tunnel at the periphery of the front shield of the shield body. After reinforcement, the staff can enter the warehouse for operation. The shield machine has a freezing function, and before a worker maintains or replaces a cutter, the implemented preparation measures are safe in construction, small in construction difficulty, low in cost and short in operation time, and the construction period can be effectively shortened. And the cutter head refrigeration cycle pipeline is communicated with the refrigerating unit through the central rotary joint, and the refrigerating unit directly utilizes the input channel and the output channel arranged on the central rotary joint to carry out circulation conveying on the refrigerating fluid, so that the design cost is greatly saved.
Further preferably, the cutterhead refrigeration cycle pipeline is arranged around the main cutter beam of the cutterhead, and a mounting device of the cutterhead refrigeration cycle pipeline is not required to be additionally arranged, so that the design cost is saved.
Further preferably, the cutter head refrigeration cycle pipelines are divided into N pieces, and each cutter head refrigeration cycle pipeline works independently, so that the refrigeration time can be greatly shortened, the refrigeration efficiency is improved, and the construction period can be further shortened.
Further preferably, the number of the shield refrigerating circulation pipelines is M, each shield refrigerating circulation pipeline works independently, the refrigerating time is further shortened, the refrigerating efficiency is improved, and the construction period can be shortened.
And more preferably, the M shield body freezing circulation pipelines are sleeved from inside to outside, so that the area of the shield body freezing circulation branch pipelines distributed on the inner peripheral surface of the shield body can be increased, and the freezing efficiency is further improved.
Drawings
FIG. 1 is a schematic view of a construction of an embodiment of a shield machine with freeze reinforcement according to the present application;
FIG. 2 is a schematic diagram of a cutterhead refrigeration cycle piping layout in an embodiment of a shield machine with a freeze reinforcement function of the present application;
FIG. 3 is a schematic diagram of a communication structure of a cutterhead refrigerating cycle pipeline in an embodiment of a shield machine with a refrigerating reinforcement function according to the present application;
fig. 4 is a schematic view showing a shield body refrigerating cycle pipeline layout in a shield body unfolding state in an embodiment of a shield machine with a refrigerating reinforcement function according to the present application.
Detailed Description
In the description of the specific embodiments of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" means two or more. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.
In the description of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, unless otherwise specifically defined and limited. For example, the connection can be fixed connection, detachable connection or integrated connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art in a specific case.
In order that the application may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Preferred embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
As shown in fig. 1 to 4, the present embodiment includes a cutterhead 1, a cutterhead main beam 7 provided on the cutterhead, a shield body 2, and a center swivel joint 4, the center swivel joint 4 is provided with an input channel 41 and an output channel 42, and the input channel 41 and the output channel 42 in the center swivel joint 4 are closed during normal tunneling in the present embodiment. The embodiment also comprises a refrigerating unit 5, wherein a refrigerating fluid flow inlet in the refrigerating unit 5 is an inlet of the refrigerating unit 5, and a refrigerating fluid flow outlet is an outlet of the refrigerating unit 5. The cutterhead 1 is provided with a cutterhead freezing circulation pipeline 8, a refrigerating fluid inflow port in the cutterhead freezing circulation pipeline 8 is an inlet of the cutterhead freezing circulation pipeline 8, and a refrigerating fluid outflow port is an outlet of the cutterhead freezing circulation pipeline 8. As shown in fig. 2, the cutterhead refrigeration cycle pipe 8 is provided around the outer side Zhou Mianpan of the cutterhead main beam 7, and the cutterhead refrigeration cycle pipe 8 is radially distributed on the cutterhead 1. Here, the inlet of the freezing liquid is the inlet of each of the above-mentioned passages, and the outlet of the freezing liquid is the outlet of each of the above-mentioned passages.
Further, the cutter head 1 is divided into N areas, where N is greater than or equal to 1, in this embodiment, the cutter head 1 is divided into 2 areas, which are exemplified by a first cutter head area 11 and a second cutter head area 12, and the cutter head refrigeration cycle pipeline 8 correspondingly includes 2 cutter head refrigeration cycle branch pipelines: a first cutterhead refrigeration cycle sub-circuit 81 and a second cutterhead refrigeration cycle sub-circuit 82. The first cutterhead freezing cycle branch pipe 81 is arranged on the cutterhead main cutter beam 7 in the first cutterhead area 11 in a coiled mode, and the second cutterhead freezing cycle branch pipe 82 is arranged on the cutterhead main cutter beam 7 in the second cutterhead area 12 in a coiled mode. By means of the design, the structure of the cutter head main cutter beam 7 on the embodiment is fully utilized by the arrangement of the cutter head refrigeration cycle pipeline, the installation position for fixing the cutter head refrigeration cycle pipeline 8 is not required to be additionally increased, and the cost can be greatly saved. The central swivel joint 4 is correspondingly provided with 2 groups of input channels 41 and output channels 42, each group consisting of one input channel 41 and one output channel 42. The input channel 41 and the output channel 42 on the center swivel joint 4 can be arranged to include: first set of input channels 141 and first set of output channels 142, second set of input channels 241 and second set of output channels 242.
As shown in fig. 3, the inlet of the first cutterhead refrigeration cycle sub-pipe 81 is communicated with the outlet of the first group of input channels 141, the outlet of the first cutterhead refrigeration cycle sub-pipe 81 is communicated with the inlet of the first group of output channels 142, the inlet of the first group of input channels 141 is communicated with the outlet 51 of the refrigerating unit 5, and the outlet of the first group of output channels 142 is communicated with the inlet 52 of the refrigerating unit 5; the inlet of the second cutterhead refrigeration cycle sub-pipeline 82 is communicated with the outlet of the second group of input channels 241, the outlet of the second cutterhead refrigeration cycle sub-pipeline 82 is communicated with the inlet of the second group of output channels 242, the inlet of the second group of input channels 242 is communicated with the outlet 51 of the refrigerating unit 5, and the outlet of the second group of output channels 242 is communicated with the inlet 52 of the refrigerating unit 5.
The refrigerating cycle branch pipelines of each cutterhead in the embodiment can work independently, so that the refrigerating time can be greatly shortened, the refrigerating efficiency can be improved, and the construction period can be further shortened.
Of course, the number of the cutterhead refrigeration cycle branch lines is correspondingly arranged according to the number of the areas divided by the cutterhead 1, so the number of the cutterhead refrigeration cycle branch lines is not limited to 2 in the embodiment.
The working process of the cutterhead comprises the following steps: the refrigerating unit 5 respectively flows the refrigerating fluid into the first group of input channels 141 and the second group of input channels 241 of the center swivel joint 4 from the outlets thereof, respectively flows into the first cutterhead refrigerating cycle sub-pipeline 81 and the second cutterhead refrigerating cycle sub-pipeline 82 through the first group of input channels 141 and the second group of input channels 241, and freezes and stabilizes the external face and soil bin by the refrigerating fluid in the first cutterhead refrigerating cycle sub-pipeline 81 and the second cutterhead refrigerating cycle sub-pipeline 82. The refrigerating fluid after heat exchange in the first cutterhead refrigerating cycle branch pipeline 81 and the second cutterhead refrigerating cycle branch pipeline 82 flows back to the refrigerating unit 5 through the first group of output channels 142 and the second group of corresponding output channels 242 of the center rotary joint 4 respectively for cooling circulation again, so that freezing stabilization of the face and the soil bin is realized.
Since the cutterhead 1 is operated in a rotating manner, the specificity of rotation of the cutterhead 1 needs to be considered when the cooling liquid is conveyed to the cutterhead cooling circulation line 8 on the cutterhead 1, and the cooling liquid in the cutterhead cooling circulation line 8 is conveyed by directly using the center swivel joint 4 in the embodiment. When the present embodiment is tunneling normally, the central swivel joint 4 still has its original function of delivering the residue soil improvement medium into the soil bin, and at this time, the input channel 41 and the output channel 42 provided on the central swivel joint 4 are in a closed state. When the cutter on the cutter head 1 needs to be maintained or replaced, the function of the central rotary joint 4 is converted into that the cutter head freezing circulation pipeline 8 is communicated with the refrigerating unit 5, at the moment, the input channel 41 and the output channel 42 which are arranged on the central rotary joint 4 are opened, and the refrigerating unit 5 conveys the refrigerating fluid into the cutter head freezing circulation pipeline 8 through the central rotary joint 4.
As shown in fig. 1 and 4, a shield body refrigeration cycle pipeline 3 is arranged on the inner wall of the shield body 2, the shield body refrigeration cycle pipeline 3 is arranged inside the shield body 2, and the shield body 2 can protect the shield body refrigeration cycle pipeline 3 and prevent the shield body refrigeration cycle pipeline 3 from being worn and damaged. The shield freezing circulation pipeline 3 comprises M shield freezing circulation branch pipelines 31, wherein M is larger than or equal to 1, and the embodiment takes the setting of 3 shield freezing circulation branch pipelines 31 as an example, and of course, in other embodiments, the number of the shield freezing circulation branch pipelines 31 can be calculated according to the freezing liquid flow rate required by freezing. The shield body refrigeration cycle pipeline 3 is divided into a plurality of pipelines, so that each shield body refrigeration cycle pipeline can work independently, the refrigeration time is further shortened, the refrigeration efficiency is improved, and the construction period can be shortened.
Further, each shield body refrigerating cycle branch pipe 31 includes a front portion 311, a tail portion 312, and a connecting portion 313, the front portion 311 is provided on an inner peripheral surface of a front end of the shield body 2 and extends in a circumferential direction of the inner peripheral surface of the shield body 2, the tail portion 312 is provided on an inner peripheral surface of a tip of the shield body 2 and extends in a circumferential direction of the inner peripheral surface of the shield body 2, and the connecting portion 313 is connected between the front portion 311 and the tail portion 312 and extends in an axial direction of the shield body 2.
Each shield body refrigeration cycle branch pipe 31 is provided with an inlet and an outlet, the inlet of each shield body refrigeration cycle branch pipe 31 is communicated with the outlet 51 of the refrigeration unit 5, and the outlet of each shield body refrigeration cycle branch pipe 31 is communicated with the inlet 52 of the refrigeration unit 5. The front portion 311, the connection portion 313, and the tail portion 312 of each shield refrigeration cycle branch pipe 31 are connected to the refrigeration unit 5 to form a circulation circuit.
In order to increase the number of shield freezing circulation branch pipelines 31 distributed in the shield body 2, the heat conduction area of the shield body 2 is increased, the freezing efficiency is improved, and the shield freezing circulation branch pipelines 31 are sequentially sleeved from inside to outside.
In other embodiments, the shield freezing circulation branch pipeline can be further arranged on the outer side of the shield body, and can be protected by adopting a mode of installing a protection plate.
The working process of the embodiment is as follows: when the cutter on the cutter disc 1 needs to be maintained or replaced, the cutter disc 1 is stopped to rotate, the refrigerating unit 5 is started to cool the refrigerating fluid, the cooled refrigerating fluid respectively flows into the first cutter disc refrigerating cycle branch pipeline 81 and the second cutter disc refrigerating cycle branch pipeline 82 through the two input channels 41 of the center rotary joint 4, and meanwhile, the refrigerating fluid also flows into the shield body refrigerating cycle branch pipeline 31, so that the freezing reinforcement of the slag soil in the tunnel face and the soil bin is realized. The refrigerating fluid after heat exchange in the first cutterhead refrigerating cycle branch pipeline 81 and the second cutterhead refrigerating cycle branch pipeline 82 flows back to the refrigerating unit 5 through the two output channels 42 of the center rotary joint 4 to cool again, the refrigerating fluid after heat exchange in the shield body refrigerating cycle branch pipeline 31 directly flows back to the refrigerating unit 5 to cool again, the continuously circulating cooling of the cutterhead and the shield body is realized, the freezing reinforcement of the face and the dregs in the soil bin is realized through the continuous circulation of the refrigerating fluid in the cutterhead refrigerating cycle pipeline on the cutterhead 1 and the shield body refrigerating cycle pipeline on the shield body 2, the normal pressure bin entering condition is provided, and the operation safety of personnel in the soil bin is ensured.
The foregoing description is only illustrative of the present application and is not intended to limit the scope of the application, and all equivalent structural changes made by the present application and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present application.
Claims (5)
1. The utility model provides a shield constructs machine that possesses freezing reinforcement function, includes the blade disc, sets up blade disc owner's knife beam, the shield body, the center gyration joint on the blade disc, its characterized in that, the shield constructs the machine that possesses freezing reinforcement function still includes the refrigeration unit, the center gyration joint is provided with input channel and output channel, laid the blade disc refrigeration cycle pipeline on the blade disc, the import of blade disc refrigeration cycle pipeline with the export intercommunication of input channel in the center gyration joint, the import of input channel with the export intercommunication of refrigeration unit, the export of blade disc refrigeration cycle pipeline with the import intercommunication of output channel in the center gyration joint, be provided with shield body refrigeration cycle pipeline on the shield body, the import of shield body refrigeration cycle pipeline with the export intercommunication of refrigeration unit, the export of cutter disc refrigeration cycle pipeline with the import intercommunication of refrigeration unit, the blade disc refrigeration cycle pipeline is around the outer peripheral face dish of the export of input channel in the main knife beam sets up, and then is radial distribution on the blade disc, the inlet channel N of output channel and one pair of the corresponding to the input channel in the blade disc main knife beam and the output channel set up, one pair of N sets up the one and is connected into the zone to the input channel and is more than or equal to the one refrigerating cycle pipeline.
2. The shield machine with the freezing reinforcement function according to claim 1, wherein the shield freezing circulation pipeline comprises M shield freezing circulation branch pipelines, wherein M is more than or equal to 1, the inlet of each shield freezing circulation branch pipeline is communicated with the outlet of the refrigerating unit, and the outlet of each shield freezing circulation branch pipeline is communicated with the inlet of the refrigerating unit.
3. The shield tunneling machine with the freezing reinforcement function according to claim 2, wherein each shield body freezing circulation branch pipeline is arranged inside the shield body.
4. A shield machine with a freezing reinforcement function according to claim 3, wherein each shield body freezing circulation branch pipe comprises a front portion, a tail portion and a connecting portion, the front portion is arranged on the inner peripheral surface of the front end of the shield body and extends along the circumferential direction of the inner peripheral surface of the shield body, the tail portion is arranged on the inner peripheral surface of the tail end of the shield body and extends along the circumferential direction of the inner peripheral surface of the shield body, the connecting portion is communicated between the front portion and the tail portion and extends along the axial direction of the shield body, and the front portion, the connecting portion, the tail portion and the refrigerating unit are connected into a circulation loop.
5. The shield tunneling machine with the freezing reinforcement function according to claim 4, wherein M shield bodies are sequentially sleeved from inside to outside by first to Mth freezing circulation branch pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725394.0A CN107387100B (en) | 2017-08-22 | 2017-08-22 | Shield constructs machine that possesses freezing reinforcement function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725394.0A CN107387100B (en) | 2017-08-22 | 2017-08-22 | Shield constructs machine that possesses freezing reinforcement function |
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| Publication Number | Publication Date |
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| CN107387100A CN107387100A (en) | 2017-11-24 |
| CN107387100B true CN107387100B (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710725394.0A Active CN107387100B (en) | 2017-08-22 | 2017-08-22 | Shield constructs machine that possesses freezing reinforcement function |
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| CN (1) | CN107387100B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915711B (en) * | 2018-06-28 | 2020-02-21 | 广东华隧建设集团股份有限公司 | Shield constructs machine knife dish freezing pipeline connection structure |
| CN108843336B (en) * | 2018-07-02 | 2024-02-02 | 中国铁建重工集团股份有限公司 | Heading machine, heading machine cutterhead and cutter changing method |
| CN109403992B (en) * | 2018-11-27 | 2024-03-22 | 中铁工程装备集团有限公司 | Freezing blade disc arrangement structure |
| CN109989764A (en) * | 2019-05-21 | 2019-07-09 | 中国铁建重工集团股份有限公司 | Normal pressure tool changing cutter head with freezing function |
| CN112610235B (en) * | 2020-12-24 | 2023-06-20 | 中国铁建重工集团股份有限公司 | Plug-and-play water jet auxiliary rock breaking equipment suitable for TBM |
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| CN105298506A (en) * | 2015-11-16 | 2016-02-03 | 中国铁建重工集团有限公司 | Slurry balance shield machine with freezing function |
| CN105298505A (en) * | 2015-11-16 | 2016-02-03 | 中国铁建重工集团有限公司 | Earth pressure balance shield machine with freezing function and tool change method thereof |
| CN106522970A (en) * | 2016-12-30 | 2017-03-22 | 中铁工程装备集团有限公司 | Shield cutter head with refrigeration function and shield tunneling machine |
| CN106869950A (en) * | 2017-03-06 | 2017-06-20 | 中交天和机械设备制造有限公司 | Shield tail with refrigerating plant |
| CN207080230U (en) * | 2017-08-22 | 2018-03-09 | 中铁工程装备集团有限公司 | A kind of shield machine for possessing freezing and reinforcing function |
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| CN107387100A (en) | 2017-11-24 |
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