CN112253132B - Immersed tube guiding system suitable for vertical shield machine - Google Patents
Immersed tube guiding system suitable for vertical shield machine Download PDFInfo
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- CN112253132B CN112253132B CN202010930140.4A CN202010930140A CN112253132B CN 112253132 B CN112253132 B CN 112253132B CN 202010930140 A CN202010930140 A CN 202010930140A CN 112253132 B CN112253132 B CN 112253132B
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- immersed tube
- tube oil
- fixing
- oil cylinders
- guiding
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D7/00—Shaft equipment, e.g. timbering within the shaft
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
Abstract
The invention relates to the technical field of shaft tunneling equipment, in particular to a immersed tube guiding system suitable for a vertical shield machine. The immersed tube guiding system comprises a plurality of immersed tube oil cylinders and a plurality of guiding supports, wherein the immersed tube oil cylinders and the guiding supports are circumferentially arranged at a wellhead so as to settle a duct piece for supporting a well wall into the well; the immersed tube oil cylinders are arranged along the circumferential direction of the outer wall of the duct piece at equal intervals, the upper parts of the immersed tube oil cylinders are provided with fixing components for clamping the outer wall of the duct piece, and the duct piece is driven to sink through the extension and retraction of the immersed tube oil cylinders; the guide support is arranged along the circumferential direction of the outer wall of the pipe piece at equal intervals, wherein part of the immersed tube oil cylinders are arranged in the guide support, and the guide support plays a role in guiding the extension and retraction of the immersed tube oil cylinders. The technical problems that secondary supporting is needed in the existing construction process, a large amount of manpower, material resources and financial resources are wasted, and the construction efficiency is low are solved.
Description
Technical Field
The invention relates to the technical field of shaft tunneling equipment, in particular to a immersed tube guiding system suitable for a vertical shield machine.
Background
In the construction engineering of tunnels and shafts, an important ring section is a tunnel wall support. In the process of forming a shaft by hob rock breaking and drilling, the original stable mine nation rock mass loses support, the stress balance is broken, the stable state around the shaft is lost, and at the moment, the surrounding mine nation needs to be supported.
In the actual construction process, different support modes are selected according to different geological conditions. The traditional construction mode adopts temporary support mostly during tunneling, secondary support is uniformly carried out after tunneling is finished, and duct pieces or secondary lining are laid in the secondary support process. The method wastes a large amount of manpower, material resources and financial resources, and has low construction efficiency.
Disclosure of Invention
Technical problem to be solved
In view of the defects and shortcomings of the prior art, the invention provides a immersed tube guiding system suitable for a vertical shield tunneling machine, which solves the technical problems that secondary supporting is required in the existing construction process, a large amount of manpower, material resources and financial resources are wasted, and the construction efficiency is low.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
the embodiment of the invention provides a immersed tube guiding system suitable for a vertical shield machine, which comprises a plurality of immersed tube oil cylinders and a plurality of guiding supports, wherein the immersed tube oil cylinders and the guiding supports are circumferentially arranged at a wellhead so as to settle a duct piece for supporting a well wall into a well;
the immersed tube oil cylinders are arranged at equal intervals along the circumferential direction of the outer wall of the duct piece, the upper parts of the immersed tube oil cylinders are provided with fixing assemblies for clamping the outer wall of the duct piece, and the duct piece is driven to sink through the extension and retraction of the immersed tube oil cylinders;
the guide supports are arranged along the circumferential direction of the outer wall of the duct piece at equal intervals, wherein part of the immersed tube oil cylinder is arranged in the guide supports, and the guide supports play a role in guiding the extension and retraction of the immersed tube oil cylinder;
the immersed tube oil cylinders comprise a first group of immersed tube oil cylinders and a second group of immersed tube oil cylinders which work alternately, and the first group of immersed tube oil cylinders and the second group of immersed tube oil cylinders are arranged alternately along the circumferential direction of the outer wall of the duct piece;
the guide bracket comprises an upright post and a slide block;
the upright posts are arranged on two sides of the immersed tube oil cylinder, and the opposite side parts of the upright posts are provided with slide rails;
the slide block is arranged outside the fixed component and is fixedly connected with the fixed component in a detachable mode, and the slide block moves up and down along the slide rail under the telescopic driving of the immersed tube oil cylinder;
the fixed subassembly includes: the fixing pin is used for being inserted into a pin hole correspondingly arranged on the duct piece;
the fixing seat is arranged outside the fixing pin and used for connecting the fixing pin with the immersed tube oil cylinder;
the fixed pin runs through the fixing base, and both sides all stretch out the fixing base, and one side of fixed pin is provided with the handle.
The immersed tube guiding system suitable for the vertical shield machine provided by the embodiment of the invention drives the duct piece to sink through the extension and retraction of the immersed tube oil cylinder, and simultaneously, the guide support is utilized to guide the immersed tube oil cylinder.
Optionally, the guide bracket further comprises a connecting piece for connecting the fixed upright;
the connecting piece sets up at the top of stand, with stand fixed connection.
Optionally, the guide bracket further comprises a fixing member for fixing the pillar;
one end of the fixing part is fixedly connected with the ground, and the other end of the fixing part is fixedly connected with the upright post.
Optionally, the fixing member is a trapezoidal table structure formed by a plurality of fixing rods.
Optionally, the number of the immersed tube oil cylinders is sixteen, and the number of the guide brackets is four.
Optionally, the immersed tube oil cylinder is a hydraulic oil cylinder.
(III) advantageous effects
The invention has the beneficial effects that: the immersed tube guiding system applicable to the vertical shield machine divides the immersed tube oil cylinders into two groups to jointly complete the stepping of the segments. Meanwhile, the guide support is used for guiding the immersed tube oil cylinder. Compared with the prior art, the well wall supporting device can complete supporting on the well wall in the tunneling process, secondary supporting is avoided, a large amount of manpower, material resources and financial resources are saved, and the construction efficiency is high.
Drawings
Fig. 1 is a schematic structural view of a sinking pipe guiding system provided by the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural view of a guide bracket provided in the present invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic view of a fixing assembly according to the present invention;
fig. 6 is a schematic view of a first working state of the sinking tube guiding system according to the present invention;
fig. 7 is a schematic view of a second working state of the sinking tube guiding system provided by the invention.
[ instruction of reference ]
1: a pipe sinking cylinder;
2: a guide bracket; 21: a column; 22: a slider; 23: a connecting member; 24: a fixing member; 211: a slide rail;
3: a fixing component; 31: a fixing pin; 32: a fixed seat; 33: a handle;
4: a duct piece; 41: a first pin hole; 42: a second pin hole.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings. Wherein, the terms "upper" and "lower" are used herein.
The immersed tube guiding system suitable for the vertical shield tunneling machine provided by the embodiment of the invention divides the immersed tube oil cylinders into two groups to complete the stepping of the duct piece together. Meanwhile, the guide support is used for guiding the immersed tube oil cylinder. Compared with the prior art, the well wall supporting device can complete supporting on the well wall in the tunneling process, secondary supporting is avoided, a large amount of manpower, material resources and financial resources are saved, and the construction efficiency is high.
In order to better understand the above technical solution, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Example 1
Fig. 1 and 2 show a schematic structural diagram and a top view of a immersed tube guiding system suitable for a vertical shield tunneling machine according to this embodiment, respectively. The immersed tube guiding system comprises a plurality of immersed tube oil cylinders 1 and a plurality of guiding supports 2, wherein the immersed tube oil cylinders 1 and the guiding supports 2 are circumferentially arranged at a wellhead to enable the pipe piece 4 supporting the well wall to be settled into the well. A plurality of immersed tube hydro-cylinders 1 are arranged along the outer wall circumference of section of jurisdiction 4 at equal intervals, and the upper portion of immersed tube hydro-cylinder 1 is equipped with the fixed subassembly 3 that is used for blocking the section of jurisdiction outer wall, drives section of jurisdiction 4 through the flexible of immersed tube hydro-cylinder 1 and sinks. A plurality of guide bracket 2 are arranged along the outer wall circumference of section of jurisdiction 4 at equal intervals, wherein, in guide bracket 2 was located to part immersed tube hydro-cylinder 1, fixed subassembly 3 and the guide bracket 2 sliding connection on immersed tube hydro-cylinder 1 upper portion played the effect of direction to immersed tube hydro-cylinder 1.
Specifically, as shown in fig. 3 to 4, the guide bracket provided in this embodiment has a schematic structural view and a top view. The guide bracket 2 includes a column 21, a slider 22, a connecting member 23, and a fixing member 24. The upright posts 21 are arranged on two sides of the immersed tube oil cylinder 1, and the opposite side parts of the upright posts 21 are provided with slide rails 211 used for being matched with the slide blocks 22. Slider 22 sets up in the outside of fixed subassembly 3, with fixed subassembly 3 detachably fixed connection, slider 22 reciprocates along slide rail 211 under immersed tube hydro-cylinder 1's flexible drive, and guide bracket 2 plays the effect of direction to immersed tube hydro-cylinder 1's flexible. The top of the upright post 21 is fixedly connected with a connecting piece 23, the connecting piece 23 is used for connecting and fixing the upright post 21, and meanwhile, the sliding block 22 can be prevented from punching out of the sliding rail 211 due to inertia. The fixing part 24 is a trapezoidal platform structure formed by a plurality of fixing rods, one end of the fixing part is fixedly connected with the ground, and the other end of the fixing part is fixedly connected with the upright post 21 and used for reinforcing the upright post 21, so that the upright post 21 is more stable.
As shown in fig. 5, a schematic structural diagram of the fixing assembly provided in this embodiment is shown. The fixing assembly 3 comprises a fixing pin 31 and a fixing seat 32 arranged outside the fixing pin 31 and used for connecting the fixing pin 31 with the immersed tube oil cylinder 1. The fixing pin 31 penetrates the fixing seat 32, and both sides of the fixing pin extend out of the fixing seat 32. The fixing pins 31 are inserted into correspondingly provided pin holes in the segment 4. Wherein one side of the securing pin 31 is provided with a handle 33 for mounting and drawing the securing pin 31 during sinking of the pipe.
In this embodiment, immersed tube hydro-cylinder 1 chooses for use hydraulic cylinder, and hydraulic cylinder adopts hydraulic power to sink the section of jurisdiction, compares in buoyancy that the section of jurisdiction sinks more stably.
In the present embodiment, the tube sheet 4 is provided with pin holes that match the fixing pins 31. The duct piece 4 is evenly provided with a plurality of rows of pin holes, and each row comprises sixteen pin holes. For convenience of the following description, the lowermost row of pin holes in the tube sheet 4 will be referred to as a first pin hole 41, and the penultimate row of pin holes will be referred to as a second pin hole 42. The first pin holes 41 and the second pin holes 42 are provided at intervals in the vertical direction, and for example, the pin holes in the bottommost row, the pin holes in the third last row, and the pin holes in the fifth last row are the first pin holes 41, the pin holes in the second last row, the pin holes in the fourth last row, and the pin holes in the sixth last row are the second pin holes 42, and so on.
In this embodiment, the sinking conduit guiding system is provided at the surface wellhead. The immersed tube guiding system comprises two groups of immersed tube guides which are alternately arranged in the circumferential direction of the tube piece 4, and each group of immersed tube guides consists of an immersed tube oil cylinder 1 and a fixed assembly 3. The immersed tube oil cylinder 1 is responsible for descending the duct piece 4, provides power for descending the duct piece 4, and the fixing component 3 is responsible for being fixedly connected with the duct piece 4 in a detachable mode. Two sets of immersed tube direction alternate use, when a set of immersed tube direction sinks section of jurisdiction 4 to fixed position, the immersed tube hydro-cylinder 1 of another group's immersed tube direction rises to the peak to be connected with section of jurisdiction 4 through fixed subassembly 3, then section of jurisdiction 4 can continue to sink, thereby realizes section of jurisdiction 4's step-by-step function.
In this embodiment, the immersed tube guiding system comprises sixteen immersed tube oil cylinders 1 and four guiding supports 2, and the four guiding supports 2 are uniformly arranged in four directions of the duct piece 4. Sixteen immersed tube oil cylinders 1 are circumferentially arranged into two groups along the outer wall of the duct piece 4, the two groups of immersed tube oil cylinders 1 are arranged at intervals, the upper parts of the immersed tube oil cylinders 1 are provided with fixing assemblies 3 used for clamping the outer wall of the duct piece 4, and the duct piece 4 is driven to sink through the stretching of the immersed tube oil cylinders 1. The immersed tube oil cylinder 1 is also arranged in the guide support 2, and the fixing component 3 on the upper part of the immersed tube oil cylinder 1 is connected with the guide support 2 in a sliding manner, so that the immersed tube oil cylinder 1 in the guide support 2 can be guided, the pipe piece 4 is prevented from deflecting, and the verticality of the well wall support is ensured.
As shown in fig. 6 to 7, the working state of the sinking tube guiding system provided in this embodiment is schematically illustrated. The immersed tube oil cylinder 1 comprises a first group of immersed tube oil cylinders and a second group of immersed tube oil cylinders which work alternately, and the first group of immersed tube oil cylinders and the second group of immersed tube oil cylinders are arranged alternately along the circumferential direction of the outer wall of the duct piece 4. During specific implementation, the two groups of immersed tube oil cylinders do not work simultaneously. Under a first working state, the first group of immersed tube oil cylinders rise to the highest point, the fixing pins 31 on the upper portions of the first group of immersed tube oil cylinders are inserted into the first pin holes 41 on the outer wall of the duct piece 4, when the duct piece 4 is sunk to a fixed position by the first group of immersed tube oil cylinders, namely under a second working state, the second group of immersed tube oil cylinders rise to the highest point, the fixing pins 31 on the upper portions of the second group of immersed tube oil cylinders are inserted into the second pin holes 42 on the outer wall of the duct piece 4, the fixing pins 31 on the upper portions of the first group of immersed tube oil cylinders are extracted, and the second group of immersed tube oil cylinders drive the duct piece 4 to sink, so that circulation is carried out, a stepping function of the duct piece 4 is achieved, synchronous descending with a vertical shield machine is achieved, and well wall supporting is achieved.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are exemplary and not to be construed as limiting the present invention and that those skilled in the art may make modifications, alterations, substitutions and alterations to the above embodiments within the scope of the present invention.
Claims (6)
1. The immersed tube guiding system suitable for the vertical shield tunneling machine is characterized by comprising a plurality of immersed tube oil cylinders (1) and a plurality of guiding supports (2), wherein the immersed tube oil cylinders (1) and the guiding supports (2) are circumferentially arranged at a well mouth so as to enable a duct piece (4) for supporting a well wall to be sunk into the well;
the immersed tube oil cylinders (1) are arranged at equal intervals along the circumferential direction of the outer wall of the duct piece (4), the upper parts of the immersed tube oil cylinders (1) are provided with fixing assemblies (3) for clamping the outer wall of the duct piece (4), and the duct piece (4) is driven to sink by the extension and retraction of the immersed tube oil cylinders (1);
the guide supports (2) are arranged at equal intervals along the circumferential direction of the outer wall of the pipe piece (4), wherein part of the immersed tube oil cylinder (1) is arranged in the guide supports (2), and the guide supports (2) play a role in guiding the extension and retraction of the immersed tube oil cylinder (1);
the immersed tube oil cylinder (1) comprises a first group of immersed tube oil cylinders and a second group of immersed tube oil cylinders which work alternately, and the first group of immersed tube oil cylinders and the second group of immersed tube oil cylinders are alternately arranged along the circumferential direction of the outer wall of the duct piece (4);
the guide bracket (2) comprises an upright post (21) and a sliding block (22);
the upright posts (21) are arranged on two sides of the immersed tube oil cylinder (1), and the opposite side parts of the upright posts (21) are provided with slide rails (211);
the sliding block (22) is arranged outside the fixed component (3) and is detachably and fixedly connected with the fixed component (3), and the sliding block (22) moves up and down along the sliding rail (211) under the telescopic driving of the immersed tube oil cylinder (1);
the fixing assembly (3) comprises: the fixing pin (31), the said fixing pin (31) is used for inserting in the pin hole set up correspondingly on the said tube sheet (4);
and a fixed seat (32) which is arranged outside the fixed pin (31) and is used for connecting the fixed pin (31) with the immersed tube oil cylinder (1);
the fixing pin (31) penetrates through the fixing seat (32), the fixing seat (32) extends out of two sides of the fixing pin, and a handle (33) is arranged on one side of the fixing pin (31).
2. The sinking tube guiding system according to claim 1, wherein the guiding frame (2) further comprises a connecting member (23) for connecting the fixing post (21);
the connecting piece (23) is arranged at the top of the upright post (21) and is fixedly connected with the upright post (21).
3. The sinking pipe guiding system according to claim 2, wherein the guiding frame (2) further comprises a fixing member (24) for fixing the column (21);
one end of the fixing piece (24) is fixedly connected with the ground, and the other end of the fixing piece is fixedly connected with the upright post (21).
4. A sinking tube guiding system according to claim 3, wherein the fixing member (24) is a trapezoidal platform structure formed by a plurality of fixing rods.
5. A sinking tube guiding system according to claim 1, in which the number of sinking tube cylinders (1) is sixteen and the number of guiding brackets (2) is four.
6. A sinking tube guiding system according to claim 1, in which the sinking tube cylinder (1) is a hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010930140.4A CN112253132B (en) | 2020-09-07 | 2020-09-07 | Immersed tube guiding system suitable for vertical shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010930140.4A CN112253132B (en) | 2020-09-07 | 2020-09-07 | Immersed tube guiding system suitable for vertical shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112253132A CN112253132A (en) | 2021-01-22 |
| CN112253132B true CN112253132B (en) | 2023-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010930140.4A Active CN112253132B (en) | 2020-09-07 | 2020-09-07 | Immersed tube guiding system suitable for vertical shield machine |
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| CN (1) | CN112253132B (en) |
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| CN104453927A (en) * | 2013-09-23 | 2015-03-25 | 中铁隧道装备制造有限公司 | Double-hinged-joint double-mode anti-explosion type inclined shaft full face rock tunnel boring machine |
| CN106640089A (en) * | 2016-10-14 | 2017-05-10 | 洛阳矿山机械工程设计研究院有限责任公司 | Platform system for vertical shaft heading machine |
| CN107461197A (en) * | 2017-09-30 | 2017-12-12 | 中铁工程装备集团有限公司 | A kind of drop shaft sinking shaft excavation machine and its construction method |
| CN109139017A (en) * | 2018-10-26 | 2019-01-04 | 中铁工程装备集团有限公司 | A kind of drop shaft sinking shaft excavation machine and its construction method |
| CN109235477A (en) * | 2018-10-26 | 2019-01-18 | 中铁工程装备集团有限公司 | A kind of section of jurisdiction pressure-raising device and its pressure-raising method suitable for open caisson construction method |
| CN109630124A (en) * | 2019-01-23 | 2019-04-16 | 中铁工程装备集团有限公司 | A kind of drop shaft sinking shaft excavation machine and its construction method |
| CN110552703A (en) * | 2019-09-27 | 2019-12-10 | 中铁工程装备集团有限公司 | Duct piece mounting system applied to shaft construction |
-
2020
- 2020-09-07 CN CN202010930140.4A patent/CN112253132B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453927A (en) * | 2013-09-23 | 2015-03-25 | 中铁隧道装备制造有限公司 | Double-hinged-joint double-mode anti-explosion type inclined shaft full face rock tunnel boring machine |
| CN106640089A (en) * | 2016-10-14 | 2017-05-10 | 洛阳矿山机械工程设计研究院有限责任公司 | Platform system for vertical shaft heading machine |
| CN107461197A (en) * | 2017-09-30 | 2017-12-12 | 中铁工程装备集团有限公司 | A kind of drop shaft sinking shaft excavation machine and its construction method |
| CN109139017A (en) * | 2018-10-26 | 2019-01-04 | 中铁工程装备集团有限公司 | A kind of drop shaft sinking shaft excavation machine and its construction method |
| CN109235477A (en) * | 2018-10-26 | 2019-01-18 | 中铁工程装备集团有限公司 | A kind of section of jurisdiction pressure-raising device and its pressure-raising method suitable for open caisson construction method |
| CN109630124A (en) * | 2019-01-23 | 2019-04-16 | 中铁工程装备集团有限公司 | A kind of drop shaft sinking shaft excavation machine and its construction method |
| CN110552703A (en) * | 2019-09-27 | 2019-12-10 | 中铁工程装备集团有限公司 | Duct piece mounting system applied to shaft construction |
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