CN112502718A - Method for constructing lower step of slurry shield originating trailer - Google Patents
Method for constructing lower step of slurry shield originating trailer Download PDFInfo
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- CN112502718A CN112502718A CN202011385293.1A CN202011385293A CN112502718A CN 112502718 A CN112502718 A CN 112502718A CN 202011385293 A CN202011385293 A CN 202011385293A CN 112502718 A CN112502718 A CN 112502718A
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- trailer
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- seat
- high supporting
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/006—Equipment transport systems
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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)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a method for constructing a lower step of a slurry shield originating trailer, which comprises a third trailer, a fourth trailer and a fifth trailer, wherein the fourth trailer is respectively connected with the third trailer and the fifth trailer, the third trailer, the fourth trailer and the fifth trailer are arranged in sequence, the fifth trailer and the fourth trailer are positioned on the upper end surface of the step, the third trailer is positioned at the lower end of the step, and temporary wheel pairs are respectively arranged on two sides of the bottoms of the fifth trailer and the fourth trailer. Compared with the traditional construction mode, the construction method is safer in the displacement process of the trailer of the shield machine, the short-distance check of workers on site is reduced when the trailer is displaced integrally, and the construction method has the advantages of less overall equipment required for construction, low occupied space, larger construction space of the workers and higher safety.
Description
Technical Field
The invention relates to the field of engineering construction, in particular to a method for constructing a lower step of a slurry shield originating trailer.
Background
In tunnel engineering, the commonly used equipment is generally a shield machine, integrates light collection, mechanical, electrical, hydraulic, sensing and information technologies, has the functions of excavating and cutting soil, conveying soil slag, assembling tunnel lining, measuring, guiding, correcting deviation and the like, is convenient for improving the construction efficiency in engineering construction, and increases the safety of personnel.
However, when the shield machine involves altitude difference displacement, especially the altitude difference at the step moves, the worker who often involves is more, the construction platform area is less, causes the deck plate to step on to turn over and drop easily, or the temporary support structure fracture appears, the equipment slope that arouses leads to casualties, especially all adopt to rise to hang equipment as main fixed knot structure for current altitude difference displacement equipment, influences the efficiency of construction in the process.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method for constructing a lower step of a slurry shield originating trailer.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention discloses a method for constructing a lower step of a slurry shield initiating trailer, which comprises a third trailer, a fourth trailer and a fifth trailer, wherein the fourth trailer is respectively connected with the third trailer and the fifth trailer, the third trailer, the fourth trailer and the fifth trailer are arranged in sequence, the fifth trailer and the fourth trailer are positioned on the upper end surface of the step, the third trailer is positioned at the lower end of the step, and temporary wheel pairs are respectively arranged on two sides of the bottoms of the fifth trailer and the fourth trailer, and the method specifically comprises the following steps:
A. preparing, namely checking the connection firmness degree among the third trailer, the fourth trailer and the fifth trailer, checking the lifting integrity degree of the four hydraulic oil cylinders, and preparing a support pier;
B. additionally installing upright columns, installing the upright columns above the rear supporting seats on two sides of the fourth trailer, and lengthening all hydraulic pipelines between the fifth trailer and the fourth trailer by 1.5 m;
C. and C, mounting and adjusting a fourth trailer, a high supporting seat and a formal wheel set, after the step B is completed, continuously moving the whole shield machine forward until the fourth trailer moves to the front temporary wheel and stops when the front temporary wheel is positioned at the edge of the step, and propping the fourth trailer above the step by a hydraulic oil cylinder until the front temporary wheel is suspended for 20 mm. Install adjustment seat, high supporting seat, preceding formal wheel pair additional in proper order on the unsettled one side of No. four trailer front ends, high supporting seat upper end installation adjustment seat, lower extreme installation walking wheel, and No. four trailer, adjustment seat, high supporting seat, preceding formal wheel pair pass through bolted connection, and after the bolted connection was accomplished, control hydraulic cylinder slowly dropped to preceding formal wheel to the rail on. And then the whole shield machine continuously moves forwards until the temporary wheel pair is positioned at the edge of the step after the fourth towing position, and an adjusting seat, a high supporting seat and a formal travelling wheel are installed at the lower end of the rear upright post in the step B according to the installation mode;
D. the fourth trailer descends to enable the whole shield tunneling machine to continuously move forwards until the fourth trailer is integrally separated from the top surface of the step, then a pipeline and a pull rod between the fourth trailer and the third trailer and the fifth trailer are disconnected, a hydraulic oil cylinder is used for integrally lifting the fourth trailer by 20mm, a high supporting seat and a formal traveling wheel of the fourth trailer are disassembled, the formal traveling wheel is placed on a steel rail, then the fourth trailer descends by adopting a hydraulic oil cylinder matched with a supporting pier, a bolt between an adjusting seat and the formal traveling wheel is connected when the difference between the adjusting seat and the formal traveling wheel is 10mm, finally the fourth trailer is integrally descended to the steel rail through the hydraulic oil cylinder, and the pipeline and the pull rod between the fourth trailer and the third trailer and the fifth trailer are respectively connected;
E. installing an adjusting seat, a high supporting seat, a formal wheel set and descending the fifth trailer, wherein the front wheel set of the fifth trailer is replaced, and the descending process of the fifth trailer is constructed according to the flow of the step C and the flow of the step D, the difference is that the steel rail on the surface of the step is prolonged by two meters, the prolonged part is supported by a DN300 mud pipe and reinforced by I-shaped steel, when the fifth trailer is integrally lifted by 20mm, the prolonged steel rail, the DN300 mud pipe and the I-shaped steel are disassembled, the rear temporary wheel set of the fifth trailer is disassembled when the fifth trailer is reduced to be 800mm away from the ground, the disassembled surface is processed, the formal wheel set is additionally installed, when the pipeline and the pull rod are disconnected and connected, only the fourth trailer and the fifth trailer are needed to be processed;
F. and (4) tail inspection, wherein all connection nodes after construction are inspected, all fixing bolts are fastened, and the connection between the formal wheel set and the steel rail is checked.
As a preferred technical scheme of the invention, the high support seat in the step C and the step E is mainly formed by welding four DN300 mud pipes and two steel plates with bolt holes and the thickness of 30 mm.
As a preferable technical scheme of the invention, the support piers are mainly used for descending support of a No. four trailer and a No. five trailer, and the support piers with different heights are arranged for stably supporting the descending height of the No. four trailer or the No. five trailer when the hydraulic oil cylinder descends for every 400 mm.
As a preferred technical scheme of the invention, the high supporting seats are all arranged below the adjusting seat, and the high supporting seats, the adjusting seat and the formal wheel pair are all fixedly connected through bolts.
Compared with the prior art, the invention has the following beneficial effects:
1: compared with the traditional construction mode, the construction method is safer in the displacement process of the trailer of the shield machine, the short-distance check of workers on site is reduced when the trailer is displaced integrally, and the construction method has the advantages of less overall equipment required for construction, low occupied space, larger construction space of the workers and higher safety.
2: according to the construction method, in the working condition of the step, the lifting efficiency is higher, the integral lifting speed of the trailer can be increased according to the manual efficiency, the damage to the trailer is less, the integral structure is located on the steel rail, and the high-quality and high-efficiency construction effect can be achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of step B of the present invention;
FIG. 3 is a schematic view of step C of the present invention;
FIG. 4 is a schematic view of step D of the present invention;
FIG. 5 is a schematic illustration of the partial support of the front pair of fifth trailer wheels of the present invention;
FIG. 6 is a schematic structural view of a rear wheel pair portion of a fifth trailer of the present invention;
FIG. 7 is a schematic structural view of step F of the present invention;
in the figure: 1. a third trailer; 2. a fourth trailer; 3. a fifth trailer; 4. a step; 5. a temporary wheel set; 6. a high support seat; 7. a formal wheel pair; 8. an adjusting seat.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is in no way intended to limit the invention.
Example 1
The invention provides a method for constructing a lower step of a slurry shield starting trailer, which comprises a third trailer 1, a fourth trailer 2 and a fifth trailer 3, wherein the fourth trailer 2 is respectively connected with the third trailer 1 and the fifth trailer 3, the third trailer 1, the fourth trailer 2 and the fifth trailer 3 are arranged in sequence, the fifth trailer 3 and the fourth trailer 2 are positioned on the upper end surface of a step 4, the third trailer 1 is positioned at the lower end of the step 4, and temporary wheel pairs 5 are respectively arranged on two sides of the bottoms of the fifth trailer 3 and the fourth trailer 2, and the method specifically comprises the following steps:
A. preparing, namely checking the connection firmness degree among the third trailer 1, the fourth trailer 2 and the fifth trailer 3, checking the lifting integrity degree of four hydraulic oil cylinders, and preparing a support pier;
B. additionally installing upright columns, installing the upright columns above the rear supporting seats on two sides of the fourth trailer 2, and lengthening all hydraulic pipelines between the fifth trailer 3 and the fourth trailer 2 by 1.5 m;
C. and (3) mounting and adjusting seats 8, high supporting seats 6 and formal wheel pairs 7 for the fourth trailer 2, after the step B is completed, continuously moving the whole shield tunneling machine forward until the fourth trailer 2 moves to the edge of the step 4, stopping when the front temporary wheels are positioned on the edge of the step 4, and propping the fourth trailer 2 to the front temporary wheel pairs by using a hydraulic oil cylinder above the step 9 for suspending 20 mm. Install adjusting seat 8, high supporting seat 6, preceding formal wheel pair 7 additional in proper order on the unsettled one side in No. four trailers 2 front ends, high supporting seat 6 upper end installation adjusting seat 8, lower extreme installation walking wheel 7, and No. four trailers 2, adjusting seat 8, high supporting seat 6, preceding formal wheel pair 7 pass through bolted connection, and after the bolted connection was accomplished, control hydraulic cylinder slowly descends to preceding formal wheel pair to the rail. And then the whole machine of the shield machine continuously moves forwards until the temporary wheel set 5 is positioned at the edge of the step 4 after the trailer 2 is positioned at the fourth position, and an adjusting seat 8, a high supporting seat 6 and a formal travelling wheel 7 are installed at the lower end of the rear upright post in the step B again according to the installation mode;
D. the fourth trailer 2 descends to enable the whole shield tunneling machine to continuously move forwards until the fourth trailer 2 is integrally separated from the top surface of the step 4, then a pipeline and a pull rod between the fourth trailer 2 and the third trailer 1 and the fifth trailer 3 are disconnected, the fourth trailer 2 is integrally lifted by 20mm by using a hydraulic oil cylinder, a high supporting seat 6 and a formal walking wheel 7 of the fourth trailer 2 are disassembled, the formal walking wheel 7 is placed on a steel rail, then the fourth trailer 2 is descended by adopting the hydraulic oil cylinder to be matched with a supporting pier, a bolt between an adjusting seat 8 and the formal walking wheel 7 is connected when the difference between the adjusting seat 8 and the formal walking wheel 7 is 10mm, and finally the fourth trailer 2 is integrally descended to the steel rail by using the hydraulic oil cylinder and is respectively connected with the pipeline and the pull rod between the fourth trailer 2 and the third trailer 1 and the fifth trailer 3;
E. installing an adjusting seat 8, a high supporting seat 6 and a formal wheel set 7 on the fifth trailer 3, descending, constructing the fifth trailer 3 by replacing a front wheel set and descending according to the flow of the step C and the step D, wherein the difference is that the steel rail on the surface of the step 4 is extended by two meters, the extended part is supported by a DN300 mud pipe and reinforced by I-steel, when the fifth trailer 3 integrally rises by 20mm, the extended steel rail, the DN300 mud pipe and the I-steel are disassembled, when the fifth trailer is lowered to 800mm away from the ground, the rear temporary wheel set 5 of the fifth trailer 3 is disassembled, the disassembled surface is processed, the formal wheel set 7 is additionally installed, when a pipeline and a pull rod are disconnected and connected, only the process between the fourth trailer 2 and the fifth trailer 3 is needed, and other flows are the same;
F. and (4) tail inspection, wherein all connection nodes after construction are inspected, all fixing bolts are fastened, and the connection between the formal wheel set 7 and the steel rail is checked.
And C, welding four DN300 mud pipes and two steel plates with bolt holes of which the thickness is 30mm to form the high support seat 6 in the step E.
The support pier is mainly used for descending support of the No. four trailer 2 and the No. five trailer 3, and the support piers with different heights are arranged for stably supporting the descending height of the No. four trailer 2 or the No. five trailer 3 when the hydraulic oil cylinder descends by 400 mm.
The high supporting seat 6 is arranged below the adjusting seat 8, and the high supporting seat 6, the adjusting seat 8 and the formal wheel pair 7 are fixedly connected through bolts.
According to the invention, the four-trailer 2 and the five-trailer 3 are arranged on the basis of the steel rail, and are matched with the support piers through the hydraulic oil cylinders, so that no worker is near the trailer when the trailer moves integrally, and the four-trailer 2 and the five-trailer 3 are lowered mainly by controlling the hydraulic oil cylinders when the trailer moves in height. ,
finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a step construction method under muddy water shield trailer that originates, includes No. three trailer (1), No. four trailer (2) and No. five trailer (3), its characterized in that, No. four trailer (2) are connected with No. three trailer (1) and No. five trailer (3) respectively, and No. three trailer (1), No. four trailer (2) and No. five trailer (3) all arrange according to order, No. five trailer (3) and No. four trailer (2) all are located step (4) upper end surface, No. three trailer (1) are located step (4) lower extreme, No. five trailer (3) and No. four trailer (2) bottom both sides all install interim wheel pair (5), specifically include following step:
A. preparing, namely checking the connection firmness degree among the third trailer (1), the fourth trailer (2) and the fifth trailer (3), checking the lifting completeness degree of the four hydraulic oil cylinders, and preparing a support pier;
B. additionally arranging upright columns, arranging the upright columns above the rear supporting seats on two sides of the fourth trailer (2), and lengthening all hydraulic pipelines between the fifth trailer (3) and the fourth trailer (2) by 1.5 m;
C. and (3) installing an adjusting seat (8), a high supporting seat (6) and a formal wheel set (7) on the fourth trailer (2), after the step B is completed, continuously moving the whole shield machine forward until the fourth trailer (2) moves to the edge of the step (4) and stops, and propping the fourth trailer (2) to the front temporary wheel set by suspending 20mm by using a hydraulic oil cylinder above the step (9). Install adjusting seat (8), high supporting seat (6), preceding formal wheel pair (7) additional in proper order on the unsettled one side of No. four trailer (2) front end, high supporting seat (6) upper end installation adjusting seat (8), lower extreme installation walking wheel (7), and No. four trailer (2), adjusting seat (8), high supporting seat (6), preceding formal wheel pair (7) pass through bolted connection, and after the bolted connection was accomplished, control hydraulic cylinder slowly dropped to preceding formal wheel to the rail on. And then the whole shield machine continuously moves forwards until the temporary wheel set (5) is positioned at the edge of the step (4) after the fourth trailer (2), and an adjusting seat (8), a high supporting seat (6) and a formal travelling wheel (7) are installed at the lower end of the rear upright post in the step B according to the installation mode;
D. the fourth trailer (2) descends to enable the whole shield machine to continuously move forwards until the fourth trailer (2) is integrally separated from the top surface of the step (4), then pipelines and pull rods between the fourth trailer (2) and the third trailer (1) and the fifth trailer (3) are disconnected, the fourth trailer (2) is integrally lifted by 20mm by using a hydraulic oil cylinder, a high supporting seat (6) and a formal walking wheel (7) of the fourth trailer (2) are disassembled, the formal walking wheel (7) is placed on a steel rail, and then the fourth trailer (2) is descended by adopting a hydraulic oil cylinder to cooperate with a supporting pier, when the difference between the adjusting seat (8) and the formal traveling wheels (7) is 10mm, bolts between the adjusting seat (8) and the formal traveling wheels (7) are connected, and finally the fourth trailer (2) is integrally lowered to the steel rail through a hydraulic oil cylinder, and respectively connected with a pipeline and a pull rod between the fourth trailer (2) and the third trailer (1) and the fifth trailer (3);
E. installing an adjusting seat (8), a high supporting seat (6) and a formal wheel pair (7) on a fifth trailer (3), and descending the fifth trailer (3), wherein the front wheel pair replacement and descending processes of the fifth trailer (3) are all constructed according to the flow of the step C and the step D, the difference is that the steel rail on the surface of the step (4) is extended by two meters, the extension part is supported by a DN300 mud pipe and reinforced by I-steel, when the fifth trailer (3) is integrally lifted by 20mm, the extended steel rail, the DN300 mud pipe and the I-steel are disassembled, the rear temporary wheel pair (5) of the fifth trailer (3) is disassembled when the fifth trailer is lowered to be 800mm away from the ground, the disassembly surface is processed, the formal wheel pair (7) is additionally installed, when the pipeline and the pull rod are disconnected and connected, only the pipeline and the fifth trailer (2) need to be processed, and other flows are the same;
F. and (5) tail inspection, wherein all connection nodes after construction are inspected, all fixing bolts are fastened, and the connection between the formal wheel set (7) and the steel rail is checked.
2. The method for constructing the lower step of the slurry shield originating trailer according to claim 1, wherein the high support seat (6) of the steps C and E is mainly formed by welding four DN300 slurry pipes and two steel plates with bolt holes and the thickness of 30 mm.
3. The method for constructing the lower step of the slurry shield originating trailer according to claim 1, wherein the support piers are mainly used for descending support of a fourth trailer (2) and a fifth trailer (3), and the support piers with different heights are arranged for stably supporting the descending height of the fourth trailer (2) or the fifth trailer (3) every time the hydraulic oil cylinder descends for 400 mm.
4. The method for constructing the lower step of the slurry shield originating trailer according to claim 1, wherein the high supporting seats (6) are all installed below the adjusting seats (8), and the high supporting seats (6), the adjusting seats (8) and the formal wheel pairs (7) are all fixedly connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011385293.1A CN112502718B (en) | 2020-12-01 | 2020-12-01 | Method for constructing lower step of slurry shield originating trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011385293.1A CN112502718B (en) | 2020-12-01 | 2020-12-01 | Method for constructing lower step of slurry shield originating trailer |
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| Publication Number | Publication Date |
|---|---|
| CN112502718A true CN112502718A (en) | 2021-03-16 |
| CN112502718B CN112502718B (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011385293.1A Active CN112502718B (en) | 2020-12-01 | 2020-12-01 | Method for constructing lower step of slurry shield originating trailer |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386077A (en) * | 2014-11-17 | 2015-03-04 | 徐工集团凯宫重工南京有限公司 | Pipeline pre-burying type trailer frame for shield tunneling machine and trailer |
| CN204323357U (en) * | 2014-11-17 | 2015-05-13 | 徐工集团凯宫重工南京有限公司 | A kind of shield machine pipe built-in formula towing carriage and trailer |
| CN204532357U (en) * | 2014-12-26 | 2015-08-05 | 中国铁建大桥工程局集团有限公司 | Carry out rear supporting trailer original position under the tilting state of TBM to disassemble and use combined lifting device |
| CN204783041U (en) * | 2015-07-06 | 2015-11-18 | 中铁工程装备集团有限公司 | Shield that satisfies low -angle belt feeder constructs supporting structure in back |
| CN111172819A (en) * | 2019-12-25 | 2020-05-19 | 中铁隧道集团二处有限公司 | Platform for assembling and walking shield trailer and construction method thereof |
-
2020
- 2020-12-01 CN CN202011385293.1A patent/CN112502718B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386077A (en) * | 2014-11-17 | 2015-03-04 | 徐工集团凯宫重工南京有限公司 | Pipeline pre-burying type trailer frame for shield tunneling machine and trailer |
| CN204323357U (en) * | 2014-11-17 | 2015-05-13 | 徐工集团凯宫重工南京有限公司 | A kind of shield machine pipe built-in formula towing carriage and trailer |
| CN204532357U (en) * | 2014-12-26 | 2015-08-05 | 中国铁建大桥工程局集团有限公司 | Carry out rear supporting trailer original position under the tilting state of TBM to disassemble and use combined lifting device |
| CN204783041U (en) * | 2015-07-06 | 2015-11-18 | 中铁工程装备集团有限公司 | Shield that satisfies low -angle belt feeder constructs supporting structure in back |
| CN111172819A (en) * | 2019-12-25 | 2020-05-19 | 中铁隧道集团二处有限公司 | Platform for assembling and walking shield trailer and construction method thereof |
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| Publication number | Publication date |
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| CN112502718B (en) | 2022-05-10 |
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