CN111894607A - Method for installing brush-shaped sealing element of mechanical method connection channel tunneling machine - Google Patents
Method for installing brush-shaped sealing element of mechanical method connection channel tunneling machine Download PDFInfo
- Publication number
- CN111894607A CN111894607A CN202010782924.7A CN202010782924A CN111894607A CN 111894607 A CN111894607 A CN 111894607A CN 202010782924 A CN202010782924 A CN 202010782924A CN 111894607 A CN111894607 A CN 111894607A
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- Prior art keywords
- brush
- shaped sealing
- sealing element
- sleeve
- installing
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- 238000007789 sealing Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000010297 mechanical methods and process Methods 0.000 title claims abstract description 15
- 230000005641 tunneling Effects 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 238000003466 welding Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 239000002689 soil Substances 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000009408 flooring Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims 8
- 239000003999 initiator Substances 0.000 claims 1
- 239000002023 wood Substances 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- E21D9/0635—Tail sealing means, e.g. used as end shuttering
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a brush-shaped sealing element installation method applied to a mechanical method connection channel tunneling machine which is positioned below a road surface and belongs to a soft soil stratum, comprising the following steps of: s1: before positioning, mounting and welding, mounting the steel wire brush between the protection plate and the compression plate, wherein the steel wire of the mounted steel wire brush is V-shaped, and the steel wire brush extends along the edge of the protection plate to form a brush-shaped sealing element; s2: assembling a starting sleeve, wherein the starting sleeve comprises an upper sleeve and a lower sleeve, the flange faces upwards and is placed on the underlying wood, and a first brush-shaped sealing element is positioned at the joint of the upper sleeve and the lower sleeve; s3: aligning, tightly extruding and positioning the brush-shaped sealing elements on the inner wall of the tail part of the tunneling machine and the reference of the stop block in sequence, and sequentially overlapping and installing; s4: and (4) arranging the brush-shaped sealing element by adopting a full-welding mode at the joint of the brush-shaped sealing element and the lower sleeve, namely finishing the positioning and installation of the brush-shaped sealing element.
Description
Technical Field
The invention relates to the technical field of tunnel boring machines, in particular to a method for installing a brush-shaped sealing element of a mechanical method connection channel boring machine.
Background
The steel wire brush is a brush-shaped sealing element of the development machine and is arranged in the starting sleeve. The correct installation of the steel wire brush is the basic premise of exerting the sealing performance of the sleeve tail brush of the push bench, the correct grease coating and construction are the guarantee of exerting the sealing performance of the sleeve tail brush, and the correct installation of the sleeve steel wire brush is combined with the correct coating and construction of the grease, so that a solid foundation is laid for meeting the sealing requirement of an originating sleeve. The quality of the existing sleeve steel wire brush directly influences the quality and safety of the sleeve, and the construction efficiency can be directly influenced.
Disclosure of Invention
The invention aims to provide a method for installing a brush-shaped sealing element of a mechanical method connection channel tunneling machine, which aims to reduce the influence of a sleeve steel wire brush on the quality and safety of a sleeve in the prior art so as to improve the technical problem of construction efficiency.
The invention is realized by the following technical scheme:
a method for installing a brush-shaped sealing element of a mechanical method connection channel tunneling machine is applied to installation construction of the brush-shaped sealing element of the mechanical method connection channel tunneling machine which is positioned below a road surface and belongs to a stratum with soft soil; the brush-shaped sealing element comprises a protection plate, a compression plate and a steel wire brush, and the steel wire brush is arranged between the protection plate and the compression plate; the installation method comprises the following steps:
s1: before positioning, mounting and welding, mounting a steel wire brush between a protection plate and a compression plate, wherein steel wires of the mounted steel wire brush are V-shaped, and the steel wire brush extends along the edge of the protection plate to form the brush-shaped sealing element;
s2: assembling a starter sleeve comprising an upper sleeve and a lower sleeve and placing the flange face up on the underlying flooring lumber, the first brush seal being positioned at the seam of the upper and lower sleeves;
s3: aligning, tightly extruding and positioning the brush-shaped sealing elements on the inner wall of the tail part of the tunneling machine and the reference of the stop block in sequence, and sequentially overlapping and installing;
s4: and the joint of the brush-shaped sealing element and the lower sleeve adopts a full-welding mode, and the brush-shaped sealing element is arranged, so that the positioning and the installation of the brush-shaped sealing element are completed.
In the scheme, the starting sleeve is spliced and placed with the flange face upwards on the underlying wood pad, the sealing performance of the steel wire brush of the sleeve can be effectively guaranteed, and the starting sleeve is designed into an upper half and a lower half, so that a leakage channel is inevitably formed at the joint, the brush-shaped sealing element is welded to the joint of the lower sleeve and the upper sleeve in a full welding mode, the joint of the steel wire brush and the joint of the starting sleeve are prevented from being communicated, the sealing performance of the starting sleeve can be effectively guaranteed, and the construction efficiency is improved.
Further, the protection plate, the pressing plate and the wire brush are fixed through pins.
Further, the protection plate and the pressing plate are made of steel plates.
Further, the wire brush is made of stainless steel materials.
Further, in step 3, the brush-shaped sealing element is aligned, tightly squeezed and positioned on the inner wall of the tail part of the heading machine and the stop block reference, and the splicing gap of the brush-shaped sealing element is smaller than 3 mm.
Further, in step 3, the pressing plates can not be installed in a superposed mode, and a horizontal swinging fixing mode is adopted.
Further, the originating sleeve inner diameter is 3420 mm.
Further, in step 2, the brush seal is positioned at the seam of the upper and lower sleeves, but is only welded to the lower sleeve.
Furthermore, when the gap at the joint of the brush-shaped sealing element and the lower sleeve is large, repair welding is adopted to eliminate the gap.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the invention provides a method for installing a brush-shaped sealing element of a mechanical method connection channel tunneling machine, which can effectively reduce the influence of a sleeve steel wire brush on the quality and the safety of a sleeve in the prior art, thereby improving the technical problem of construction efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic view of a brush seal configuration.
Reference numbers and corresponding part names:
1-a protective plate; 2-a steel wire brush; 3-a pressure strip; 4-brush seal.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
[ examples ] A method for producing a compound
As shown in fig. 1, the method for installing the brush-shaped sealing element of the mechanical method connection channel tunneling machine is applied to installation and construction of the brush-shaped sealing element of the mechanical method connection channel tunneling machine which is positioned below a road surface and belongs to a soft soil stratum; the brush-shaped sealing element 4 comprises a protective plate 1, a compression plate 3 and a steel wire brush 2, and the steel wire brush 2 is arranged between the protective plate 1 and the compression plate 3; the installation method comprises the following steps:
s1: before positioning, mounting and welding, the steel wire brush 2 is mounted between the protection plate 1 and the compression plate 3, the steel wire of the mounted steel wire brush 2 is V-shaped, and the steel wire brush 2 extends along the edge of the protection plate 1 to form a brush-shaped sealing element 4;
s2: assembling a starting sleeve, wherein the starting sleeve comprises an upper sleeve and a lower sleeve, the flange faces upwards and is placed on the underlying wood, and a first brush-shaped sealing element 4 is positioned at the joint of the upper sleeve and the lower sleeve;
s3: aligning, tightly extruding and positioning the brush-shaped sealing elements 4 on the inner wall of the tail part of the heading machine and the reference of the stop block in sequence, and sequentially overlapping and installing;
s4: and (3) arranging the brush-shaped sealing element 4 by adopting a full-welding mode at the joint of the brush-shaped sealing element 4 and the lower sleeve, namely finishing the positioning and installation of the brush-shaped sealing element 4.
In the scheme, the starting sleeve is spliced and placed with the flange face upwards on the underlying wood pad, the sealing performance of the steel wire brush of the sleeve can be effectively guaranteed, and the starting sleeve is designed into an upper half and a lower half, so that a leakage channel is inevitably formed at the joint, the brush-shaped sealing element is welded to the joint of the lower sleeve and the upper sleeve in a full welding mode, the joint of the steel wire brush and the joint of the starting sleeve are prevented from being communicated, the sealing performance of the starting sleeve can be effectively guaranteed, and the construction efficiency is improved.
Further, the protection plate 1, the pressing plate 2 and the wire brush 3 are fixed by pins.
Further, the protection plate 1 and the pressing plate 3 are made of steel plates.
Further, the wire brush 2 is made of stainless steel.
Further, in step 3, the brush-shaped sealing element 4 is aligned, tightly squeezed and positioned on the inner wall of the tail part of the heading machine and the stop block reference, and the splicing gap is smaller than 3 mm.
Further, in step 3, the pressing plates 3 can not be installed in a superposed manner, and a flat pendulum fixing mode is adopted.
Further, the originating sleeve inner diameter was 3420 mm.
Further, in step 2, the brush seal 4 is positioned at the seam of the upper and lower sleeves, but is only welded to the lower sleeve.
Furthermore, when the gap at the joint of the brush seal 4 and the lower sleeve is large, repair welding is used to eliminate the gap.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A method for installing a brush-shaped sealing element of a mechanical method connection channel tunneling machine is applied to installation construction of the brush-shaped sealing element of the mechanical method connection channel tunneling machine which is positioned below a road surface and belongs to a stratum with soft soil;
the brush-shaped sealing element (4) is characterized by comprising a protective plate (1), a compression plate (3) and a steel wire brush (2), wherein the steel wire brush (2) is arranged between the protective plate (1) and the compression plate (3); the installation method comprises the following steps:
s1: before positioning, mounting and welding, a steel wire brush (2) is mounted between a protection plate (1) and a compression plate (3), steel wires of the mounted steel wire brush (2) are V-shaped, and the steel wire brush (2) extends along the edge of the protection plate (1) to form a brush-shaped sealing element (4);
s2: -assembling a starting sleeve comprising an upper sleeve and a lower sleeve and placing the flange face up on the underlying flooring lumber, said first brush seal (4) being positioned at the seam of the upper and lower sleeves;
s3: aligning, tightly extruding and positioning the brush-shaped sealing elements (4) on the inner wall of the tail part of the heading machine and the reference of the stop block in sequence, and sequentially overlapping and installing;
s4: and the joint of the brush-shaped sealing element (4) and the lower sleeve adopts a full-welding mode, and the brush-shaped sealing element (4) is arranged, so that the brush-shaped sealing element (4) is positioned and installed.
2. A method of installing a brush seal in a mechanical communication tunnel boring machine according to claim 1, characterised in that the shield plate (1), the hold-down plate (3) and the wire brush (2) are fixed by pins.
3. A method of installing a brush seal in a mechanical communication tunnel boring machine according to claim 1, wherein the shield plate (1) and the hold-down plate (3) are made of steel plate.
4. A method of installing a brush seal in a mechanical communication tunnel boring machine according to claim 1, wherein the wire brush (2) is made of stainless steel.
5. A brush seal mounting method of a mechanical method communication tunnel boring machine according to claim 1, wherein in step 3, the brush seal (4) is aligned, squeezed and positioned on the rear inner wall of the boring machine and the stopper reference, and the caulking clearance is less than 3 mm.
6. The method for installing the brush seal of the mechanical method communication channel boring machine according to the claim 1, characterized in that, in the step 3, the pressing plate (3) can not be installed in a superposition way and adopts a flat pendulum fixing mode.
7. A method of installing a brush seal in a mechanical communication tunnelling machine as claimed in claim 1, wherein the internal diameter of the initiator sleeve is 3420 mm.
8. A method of installing a brush seal in a mechanical communication tunnelling machine as claimed in claim 1, wherein in step 2 the brush seal (4) is located at the junction of the upper sleeve and the lower sleeve but is welded only to the lower sleeve.
9. The method for installing the brush seal of the mechanical method communication channel boring machine according to claim 8, characterized in that when the gap at the joint of the brush seal (4) and the lower sleeve is large, the gap is eliminated by repair welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010782924.7A CN111894607A (en) | 2020-08-06 | 2020-08-06 | Method for installing brush-shaped sealing element of mechanical method connection channel tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010782924.7A CN111894607A (en) | 2020-08-06 | 2020-08-06 | Method for installing brush-shaped sealing element of mechanical method connection channel tunneling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111894607A true CN111894607A (en) | 2020-11-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010782924.7A Pending CN111894607A (en) | 2020-08-06 | 2020-08-06 | Method for installing brush-shaped sealing element of mechanical method connection channel tunneling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111894607A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2629523Y (en) * | 2003-06-10 | 2004-08-04 | 上海地铁盾构设备工程有限公司 | Shield-tail sealing steel-wire brush |
| CN102031975A (en) * | 2010-12-30 | 2011-04-27 | 昆山众备机械设备有限公司 | Superposition assembly process for shield tail sealing brush |
| CN203783589U (en) * | 2014-04-10 | 2014-08-20 | 中铁五局（集团）有限公司 | Steel case for balanced starting of earth pressure balance shield machine |
| CN203835402U (en) * | 2014-05-29 | 2014-09-17 | 中交隧道工程局有限公司 | Starting portal sealing structure of slurry shield tunnel |
| CN104358575A (en) * | 2014-09-15 | 2015-02-18 | 中铁十二局集团有限公司 | Sealing device for slurry shield starting of water-rich sand layer and sealing control method for starting |
| CN105422127A (en) * | 2015-12-02 | 2016-03-23 | 中建三局第一建设工程有限责任公司 | Tunnel originating terminal reinforcing and sealing device and method |
| CN206707714U (en) * | 2017-04-29 | 2017-12-05 | 中铁一局集团有限公司 | A kind of slurry shield originates portal sealing structure |
| CN210530847U (en) * | 2019-07-04 | 2020-05-15 | 中铁十一局集团城市轨道工程有限公司 | Shield starting tunnel portal water stop device close to existing line |
-
2020
- 2020-08-06 CN CN202010782924.7A patent/CN111894607A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2629523Y (en) * | 2003-06-10 | 2004-08-04 | 上海地铁盾构设备工程有限公司 | Shield-tail sealing steel-wire brush |
| CN102031975A (en) * | 2010-12-30 | 2011-04-27 | 昆山众备机械设备有限公司 | Superposition assembly process for shield tail sealing brush |
| CN203783589U (en) * | 2014-04-10 | 2014-08-20 | 中铁五局（集团）有限公司 | Steel case for balanced starting of earth pressure balance shield machine |
| CN203835402U (en) * | 2014-05-29 | 2014-09-17 | 中交隧道工程局有限公司 | Starting portal sealing structure of slurry shield tunnel |
| CN104358575A (en) * | 2014-09-15 | 2015-02-18 | 中铁十二局集团有限公司 | Sealing device for slurry shield starting of water-rich sand layer and sealing control method for starting |
| CN105422127A (en) * | 2015-12-02 | 2016-03-23 | 中建三局第一建设工程有限责任公司 | Tunnel originating terminal reinforcing and sealing device and method |
| CN206707714U (en) * | 2017-04-29 | 2017-12-05 | 中铁一局集团有限公司 | A kind of slurry shield originates portal sealing structure |
| CN210530847U (en) * | 2019-07-04 | 2020-05-15 | 中铁十一局集团城市轨道工程有限公司 | Shield starting tunnel portal water stop device close to existing line |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201106 |
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| RJ01 | Rejection of invention patent application after publication |