CN104005771B - A kind of implementation method controlling shield structure single propelling cylinder support boots and rotate - Google Patents
A kind of implementation method controlling shield structure single propelling cylinder support boots and rotate Download PDFInfo
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- CN104005771B CN104005771B CN201410241314.0A CN201410241314A CN104005771B CN 104005771 B CN104005771 B CN 104005771B CN 201410241314 A CN201410241314 A CN 201410241314A CN 104005771 B CN104005771 B CN 104005771B
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Abstract
The invention discloses a kind of implementation method controlling shield structure single propelling cylinder support boots and rotate, comprising: A: the torque T 1 determining propelling cylinder; B: utilize three-dimensional software to determine to support the center of gravity of boots; C: improve the shape of support boots, make the center of gravity of the support boots be arranged on propelling cylinder be X to the vertical distance of the axial line of propelling cylinder, ensures that the torque T 1 of moment T2 and the propelling cylinder formed by the center of support boots deviation of gravity center propelling cylinder offsets; D: the support boots after improved shape are arranged on propelling cylinder.The present invention is by changing the shape of support boots, the center of gravity of support boots is made to be X to the distance of the axial line of propelling cylinder, ensure that the torque T 1 of moment T2 and the propelling cylinder formed by the axial line of support boots deviation of gravity center propelling cylinder offsets, avoiding the problem causing supportting boots rotation because forming moment of torsion in propelling cylinder progradation thus, ensureing that shield tail and section of jurisdiction seal not damaged.
Description
Technical field
The present invention relates to tunnel shield machine tunneling technique field, particularly relate to a kind of implementation method controlling shield structure single propelling cylinder support boots and rotate.
Background technology
At present, at home and abroad in existing underground tunnel project shield-tunneling construction, because the calibration of section of jurisdiction is varied, so the layout of propelling cylinder is also varied, the such as section of jurisdiction of Chongqing subway is the section of jurisdiction calibration of 36 °, and to be therefore arranged to single twin-tub uniform for propelling cylinder; The section of jurisdiction of Zhengzhou subway is the section of jurisdiction calibration of 22.5 °, and therefore propelling cylinder is arranged to whole twin-tub; The section of jurisdiction of Malaysia's subway is the section of jurisdiction calibration of 16.364 °, and to be therefore arranged to single cylinder uniform for propelling cylinder.
As shown in Figure 1, in existing shield machine structure, middle shield 1 and shield tail 2 hinged, propelling cylinder 3 is fixed on middle shield 1, and support boots 4 are connected with propelling cylinder 3, and boots plate 5 is fixed on support boots 4, and section of jurisdiction 6 is connected with section of jurisdiction near support boots 4 side and seals 7.Shield structure is when normally tunneling, and the boots plate 5 that support boots 4 front end that propelling cylinder 3 connects is fixed is shifted onto on section of jurisdiction 6.
The processing method of domestic propelling cylinder 3 mainly contains hone and roll extrusion, and these two kinds of processing schemes all can make propelling cylinder 3 form helix, after pass into hydraulic oil in propelling cylinder 3, will form torque T 1, and the support boots 4 causing propelling cylinder 3 to connect rotate.As long as therefore there is the shield machine of single propelling cylinder 3, all there is the phenomenon of rotation in the support boots 4 that propelling cylinder 3 connects, and will collide and rub, along with constantly stretching of propelling cylinder 3, shield tail 2 will be caused to wear and tear after support boots 4 rotate with shield tail 2.Meanwhile, the support boots 4 connected due to propelling cylinder 3 rotate, and the boots plate 5 of support boots 4 also can be caused to shift onto in section of jurisdiction sealing 7, cause section of jurisdiction to seal 7 and damage, when situation is serious, and the danger that support boots 4 have fracture, drop.For support boots 4 rotational problems of the single propelling cylinder 3 of shield structure, each producer mainly adopts following several solution.
1, guide pad is set at shield tail 2, although all get back to original position when this design can make support boots 4 regain at every turn, the phenomenon as long as propelling cylinder 3 release support boots 4 still can rotate, wearing and tearing shield tail 2; Meanwhile, the boots plate 5 that support boots 4 front end that propelling cylinder 3 connects is fixed also can be shifted onto in section of jurisdiction sealing 7.
2, support boots 4 are done greatly as much as possible, reduce the rotational angle of support boots 4, but release in the process of support boots 4 at propelling cylinder 3 or wearing and tearing shield tail 2, the boots plate 5 that support boots 4 front end that propelling cylinder 3 connects is fixed also can be shifted onto in section of jurisdiction sealing 7, and when little curve is turned, the support boots 4 that propelling cylinder 3 connects also can shift reinforcing ring onto.
3, when shield tail 2 encountered by the support boots 4 connected at each propelling cylinder 3, become a full member by manpower handle support boots 4, this mode is time-consuming, effort.
Summary of the invention
The object of this invention is to provide a kind of implementation method controlling shield structure single propelling cylinder support boots and rotate, the drawback of above-mentioned several solution can be avoided, avoid support boots and shield tail collides and boots plate and section of jurisdiction seal the phenomenon collided.
The present invention adopts following technical proposals:
Control the implementation method that shield structure single propelling cylinder support boots rotate, comprise the following steps:
A: test the propelling cylinder of support boots to be installed, determines the torque T 1 of propelling cylinder;
B: utilize three-dimensional software to carry out sunykatuib analysis to support boots, determine the center of gravity supportting boots;
C: the shape of support boots is improved, the center of gravity of the support boots be arranged on propelling cylinder is made to be X to the vertical distance of the axial line of propelling cylinder, ensure that the torque T 1 of moment T2 and the propelling cylinder formed by the axial line of support boots deviation of gravity center propelling cylinder offsets, T2=X × G × sin θ, G is the gravity that support boots are formed under gravity, and θ is the angle of propelling cylinder support boots deflection;
D: the support boots after improved shape are arranged on propelling cylinder.
Described three-dimensional software adopts pro/e software, cad software or solidworks software.
The present invention is by changing the shape of support boots, the center of gravity of support boots is made to be X to the distance at the center of propelling cylinder, ensure that the torque T 1 of moment T2 and the propelling cylinder formed by the center of support boots deviation of gravity center propelling cylinder offsets, avoiding the problem causing supportting boots rotation because forming moment of torsion in propelling cylinder progradation thus, ensureing that shield tail and section of jurisdiction seal not damaged.
Accompanying drawing explanation
Fig. 1 is the mounting structure schematic diagram of existing propelling cylinder;
Fig. 2 is schematic flow sheet of the present invention.
Detailed description of the invention
As shown in Figure 2, the implementation method that control shield structure of the present invention single propelling cylinder support boots rotate, comprises the following steps:
A: test the propelling cylinder 3 of support boots 4 to be installed, determines the torque T 1 of propelling cylinder 3;
B: utilize three-dimensional software to carry out sunykatuib analysis to support boots 4, determine the center of gravity supportting boots 4;
C: the shape of support boots 4 is improved, the center of gravity of the support boots 4 be installed on propelling cylinder 3 is made to be X to the distance at the center of propelling cylinder 3, ensure that the torque T 1 of moment T2 and the propelling cylinder 3 formed by the center of support boots 4 deviation of gravity center propelling cylinder 3 offsets, T2=X × G × sin θ, G is the gravity that support boots are formed under gravity, and θ is the angle of propelling cylinder support boots deflection;
D: the support boots 4 after improved shape are arranged on propelling cylinder 3.
Because propelling cylinder 3 can form helix adding man-hour, after pass into hydraulic oil in propelling cylinder 3, torque T 1 will be formed, cause support boots 4 to rotate.In order to overcome this torque T 1, another one power will be had offset.Therefore, the present invention, by changing the center of gravity of the alteration of form support boots 4 of support boots 4, controlling the distance X of center of gravity to the center of propelling cylinder 3 of the support boots 4 be installed on propelling cylinder 3, thus forms an arm of force, by controlling the size of this arm of force, carrying out offset torque T1.Because the processing method of each propelling cylinder 3 is different, so the torque T 1 formed is also different, therefore the rotational angle of propelling cylinder support boots 4 is controlled by the distance X of the center of gravity to corresponding propelling cylinder 3 center that change each support boots 4, make each propelling cylinder support boots 4 and do not encounter shield tail 2, also can avoid because support boots 4 rotate the damage causing section of jurisdiction to seal 7 simultaneously.
Because support boots 4 are irregular part, owing to being difficult to the center of gravity calculating support boots 4 under two dimension, the center of gravity of support boots 4 is analyzed by three-dimensional software, as softwares such as pro/e, cad, solidworks.The algorithm of the center of gravity of its support boots 4 belongs to the state of the art, does not repeat them here.
Above embodiment is only for illustration of preferred embodiments of the present invention; but the present invention is not limited to above-mentioned embodiment; in the ken that described exercising ordinary skill possesses; the any amendment done within the spirit and principles in the present invention, equivalent to substitute and improvement etc., it all should be encompassed within the technical scheme scope of request of the present invention protection.
Claims (2)
1. control the implementation method that shield structure single propelling cylinder support boots rotate, it is characterized in that, comprise the following steps:
A: test the propelling cylinder of support boots to be installed, determines the torque T 1 of propelling cylinder;
B: utilize three-dimensional software to carry out sunykatuib analysis to support boots, determine the center of gravity supportting boots;
C: the shape of support boots is improved, the center of gravity of the support boots be installed on propelling cylinder is made to be X to the distance at the center of propelling cylinder, ensure that the torque T 1 of moment T2 and the propelling cylinder formed by the center of support boots deviation of gravity center propelling cylinder offsets, T2=X × G × sin θ, G is the gravity that support boots are formed under gravity, and θ is the angle of propelling cylinder support boots deflection;
D: the support boots after improved shape are arranged on propelling cylinder.
2. the implementation method of control shield structure according to claim 1 single propelling cylinder support boots rotation, is characterized in that: described three-dimensional software adopts pro/e software, cad software or solidworks software.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241314.0A CN104005771B (en) | 2014-05-30 | 2014-05-30 | A kind of implementation method controlling shield structure single propelling cylinder support boots and rotate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410241314.0A CN104005771B (en) | 2014-05-30 | 2014-05-30 | A kind of implementation method controlling shield structure single propelling cylinder support boots and rotate |
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| CN104005771A CN104005771A (en) | 2014-08-27 |
| CN104005771B true CN104005771B (en) | 2016-04-20 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104832183B (en) * | 2015-03-17 | 2017-05-17 | 中铁工程装备集团有限公司 | Method for transforming shield tunneling system adapting to 36-degree pipe segments into shield tunneling system adapting to 22.5-degree pipe segments |
| CN107725067B (en) * | 2016-02-19 | 2019-01-25 | 中铁一局集团有限公司 | The general ring pipe sheet assembling point of shield determines method |
| CN106522967A (en) * | 2016-12-29 | 2017-03-22 | 四川锦绣山河交通工程有限公司 | Automatic return device of shield tunneling machine single-oil-cylinder supporting shoe |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2942150B2 (en) * | 1994-09-30 | 1999-08-30 | 株式会社クボタ | Estimation method of propulsion position |
| CN202187971U (en) * | 2011-06-24 | 2012-04-11 | 北京市三一重机有限公司 | Single-hold-boot anti-rotating oil cylinder of shield machine |
| CN202194669U (en) * | 2011-08-25 | 2012-04-18 | 四川二滩国际工程咨询有限责任公司 | Improved structure of TBM supporting shoe |
| CN102601605B (en) * | 2012-03-29 | 2013-09-25 | 中建交通建设集团有限公司 | Device for installing and detaching support shoes of jacks of shield tunneling machine and method for installing and detaching support shoes |
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