CN104533464A - Device and method for positioning and installing portal steel ring - Google Patents

Device and method for positioning and installing portal steel ring Download PDF

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Publication number
CN104533464A
CN104533464A CN201410785436.6A CN201410785436A CN104533464A CN 104533464 A CN104533464 A CN 104533464A CN 201410785436 A CN201410785436 A CN 201410785436A CN 104533464 A CN104533464 A CN 104533464A
Authority
CN
China
Prior art keywords
portal steel
steel loop
installation
location
portal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410785436.6A
Other languages
Chinese (zh)
Inventor
崔安义
陈振龙
孙晓峰
张永旭
石磊
姚明会
牛秀宝
汪海荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Shenhua Energy Co Ltd
China Railway 13th Bureau Group Co Ltd
Shenhua Xinjie Energy Co Ltd
Original Assignee
China Shenhua Energy Co Ltd
China Railway 13th Bureau Group Co Ltd
Shenhua Xinjie Energy Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Shenhua Energy Co Ltd, China Railway 13th Bureau Group Co Ltd, Shenhua Xinjie Energy Co Ltd filed Critical China Shenhua Energy Co Ltd
Priority to CN201410785436.6A priority Critical patent/CN104533464A/en
Publication of CN104533464A publication Critical patent/CN104533464A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14Lining predominantly with metal
    • E21D11/18Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14Lining predominantly with metal
    • E21D11/18Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E21D11/183Supporting means for arch members, not provided for in E21D11/22

Abstract

The invention discloses a device and method for positioning and installing a portal steel ring. The device for positioning and installing the portal steel ring comprises a positioning frame arranged at the bottom of the portal steel ring and a supporting frame arranged in the portal steel ring. The positioning frame comprises a base and a lifting frame arranged on the base, the top of the lifting frame has a radian matched with that of the outer wall of the portal steel ring, and the supporting frame comprises a support which is fixed on the inner wall of the portal steel ring and is in the shape of union jack. By means of the device and method for positioning and installing the portal steel ring, the portal steel ring can be positioned in the vertical direction and the horizontal direction, installation deviation of the portal steel ring is controlled, and installation accuracy of a portal steel ring assembly at a cableway port is guaranteed. Compared with the prior art, installation is simplified, and installation efficiency is improved.

Description

A kind of device and method for location and installation portal steel loop
Technical field
The present invention relates to a kind of device and method for location and installation portal steel loop.
Background technology
Tunneling shield method is the Fully-mechanized construction method of one in shallow mining method, it is advanced in ground by Shield-type machinery, prevent toward caving in tunnel by shield structure shell and section of jurisdiction supporting surrounding country rock, carry out soil excavation at excavation face front topping machanism simultaneously, transport outside hole by unearthed machinery, by jack in rear pressurization jacking, and assembled precast concrete section of jurisdiction, form a kind of mechanized construction method of tunnel structure.Tunneling shield machinery integrates brill, digs, protects, and effectively can realize the factory operation of long distance tunnel construction, is advanced large-scale synthesis constructing tunnel equipment, has been widely used in the engineering fields such as traffic, water power, mine, municipal administration, national defence.
In work progress, tunnel shielding portal steel loop adopts the assembled mode of split to be arranged on shield tunnel mouth usually, but, the assembled process of tunnel shielding portal steel loop is very complicated, and difficulty of construction is comparatively large, and crane holding time is long, in installation process, need survey crew often to monitor, personnel have high input, and install positioning precision and be difficult to be controlled.
Summary of the invention
For prior art Problems existing, the object of this invention is to provide a kind of device and method for location and installation portal steel loop, it can simplify the installation of portal steel loop, improves installation accuracy and installation effectiveness.
Object of the present invention is achieved through the following technical solutions:
A kind of device for location and installation portal steel loop, comprise the locating rack of the bottom for being arranged on portal steel loop and the bracing frame for being arranged on portal steel loop inside, described locating rack comprises base and is arranged on the lift stand on described base, and the top of described lift stand has the radian suitable with the outer wall of portal steel loop; Support frame as described above comprises the rice font support being fixed on portal steel loop inwall.
Further, described lift stand comprises the many reference columns be vertically arranged on described base, and the top of described many reference columns all can abut against with the outer wall of portal steel loop.
Further, described many reference column arows are distributed on described base.
Further, described base is provided with the described reference column of at least two row.
Further, described rice font support comprises horizontal beam, vertical beam and two inclined beams together arranged in a crossed manner, is also provided with tie-beam between the end of two inclined beams of described rice font support.
Present invention also offers a kind of method for location and installation portal steel loop, comprising:
Step is 1.: in portal steel loop, arrange the bracing frame for preventing described portal steel loop to be out of shape, and forms portal steel loop assembly;
Step is 2.: arrange locating rack in the front of tunnel face, be lifted on described locating rack by described portal steel loop assembly, described locating rack can ensure that described portal steel loop assembly and described tunnel face are oppositely arranged;
Step is 3.: be welded to connect by the reinforcing bar of described portal steel loop assembly and described tunnel face, namely complete the location and installation of portal steel loop;
Step is 4.: the locating rack removing described portal steel loop component bottom, reuses.
Further, step 1. in, support frame as described above comprises the rice font support being fixed on portal steel loop inwall.
Further, described rice font support comprises horizontal beam, vertical beam and two inclined beams together arranged in a crossed manner, is also provided with tie-beam between the end of two inclined beams of described rice font support.
Further, step 2. in, described locating rack comprises base and is arranged on the lift stand on described base, and the top of described lift stand has the radian suitable with the outer wall of portal steel loop.
Further, described lift stand comprises the many reference columns be vertically arranged on described base, and the top of described many reference columns all can abut against with the outer wall of portal steel loop.
Device and method for location and installation portal steel loop provided by the invention can position portal steel loop on vertical direction and horizontal direction, not only control the deviation that portal steel loop is installed, ensure that the accuracy that portal steel loop assembly is installed at cableway mouth, compared with prior art, the installation also simplified, improves installation effectiveness.
Accompanying drawing explanation
Fig. 1 is that the present invention is a kind of preferably for the using state schematic diagram of the device of location and installation portal steel loop;
Fig. 2 is the front view of the locating rack of the device for location and installation portal steel loop shown in Fig. 1;
Fig. 3 is the top view of the locating rack of the device for location and installation portal steel loop shown in Fig. 1;
Fig. 4 is the schematic diagram of the bracing frame of the device for location and installation portal steel loop shown in Fig. 1;
Fig. 5 is that the present invention is a kind of preferably for the method flow diagram of location and installation portal steel loop.
Detailed description of the invention
Below in conjunction with accompanying drawing, a preferred embodiment of the present invention is described in detail.The identical Reference numeral of wherein identical component represents.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " interior " and " outward " refer to the direction towards or away from particular elements geometric center respectively.
As shown in Figure 1, the device for location and installation portal steel loop provided of the present invention comprises the locating rack 1 of the bottom for being arranged on portal steel loop and the bracing frame 2 for being arranged on portal steel loop inside, described portal steel loop is the circular ring suitable with tunnel face, described locating rack 1 comprises base 11 and is arranged on the lift stand 12 on described base 11, the top of described lift stand 12 has the radian suitable with the outer wall of portal steel loop, thus card setting position is carried out to portal steel loop, described portal steel loop is avoided to roll on described lift stand 12, during use, described locating rack 1 lifts the bottom at described portal steel loop, described portal steel loop can be lifted and be positioned on the position relative with described tunnel face by it.
In order to ensure the stability of base, base 11 of the present invention is preferably rectangular frame-pedestal.For the ease of carrying out stably location and installation to portal steel loop, the width of lift stand 12 of the present invention is preferably suitable with the width of described portal steel loop, as shown in Figure 1, the length of described lift stand 12 should be less than the half of described portal steel loop arc length, thus is convenient to stably be erected at by portal steel loop on the lift stand 12 of described locating rack 1.
As shown in Figure 1 and Figure 4, bracing frame 2 of the present invention comprises the rice font support being fixed on portal steel loop inwall, eight ends of described rice font support are fixedly connected on the inwall of described portal steel loop equably, described portal steel loop is effectively supported, effectively prevent described portal steel loop from deforming under the effect of external force or own wt, thus improve the stability of described portal steel loop structure, ensure portal steel loop in installation process can with tunnel face mating shapes, be then convenient to carry out fitting operation more exactly.
As shown in Figure 2, described lift stand 12 preferably includes the many reference columns be vertically arranged on described base 11, the length of described many reference columns gradually changes, thus form the radian suitable with the outer wall of described portal steel loop, namely the top of described many reference columns all can abut against with the outer wall of portal steel loop, is distributed on described many reference columns with ensureing the weight uniformity of portal steel loop.The present embodiment realizes lifting described portal steel loop by many reference columns, not only can ensure the stability of lift portal steel loop and accuracy, also contribute to the weight and the consumptive material that reduce locating rack, thus realizes the object that saves production cost.
On the basis of above-described embodiment, as shown in Figures 2 and 3, described many reference columns preferably arow are distributed on described base 11, each row is provided with many reference columns, such as each row arranges 5 reference columns, the reference column height of each row both sides increases progressively than the reference column of centre successively, thus realize the radian suitable with described portal steel loop outer wall, as shown in Figure 3, described base 11 is more preferably provided with the described reference column of at least two row, the top of multiple row reference column can be formed with the contact point of arc formal distribution with the outer wall of portal steel loop, the stability that reference column supports portal steel loop can be improved by this, certainly, consider cost of production, the present invention arranges 2 row reference columns on described base 11.
Base of the present invention and reference column are preferably welded together by i iron and/or angle steel, certainly, i iron and angle steel are only a kind of preferred version of the present invention for the preparation of locating rack 1, the present invention can also adopt the other materials with enough support strengths known in those skilled in the art to prepare, and repeats no more herein.
As shown in Figure 4, described rice font support preferably includes horizontal beam, vertical beam and two inclined beams together arranged in a crossed manner, angle between adjacent horizontal beam, vertical beam and inclined beams is preferably 45 °, namely the end of described horizontal beam, described vertical beam and described two inclined beams can be supported on the inwall of described portal steel loop equably, thus support effect is equably produced to the inwall of portal steel loop, avoid the support force of bracing frame 2 pairs of portal steel loops uneven, and the problem of the portal steel loop distortion caused.
Preferably, as shown in Figure 1 and Figure 4, the present invention is also also provided with tie-beam between the end of two inclined beams of described rice font support, and described tie-beam is separately positioned on described two and follows the support strength that can strengthen support frame as described above 2 between the end of inclined beams further.Horizontal beam of the present invention, vertical beam, inclined beams and tie-beam are preferably welded together by i iron and/or angle steel, certainly, i iron and angle steel are only a kind of preferred version of the present invention for the preparation of bracing frame, the present invention can also adopt the other materials with enough support strengths known in those skilled in the art to prepare, and repeats no more herein.
As shown in Figure 5, present invention also offers a kind of method for location and installation portal steel loop, comprising:
Step is 1.: in portal steel loop, arrange the bracing frame 2 for preventing described portal steel loop to be out of shape, and forms portal steel loop assembly.
Support frame as described above 2 is arranged on the inwall of described portal steel loop by the present invention, and it effectively can support described portal steel loop, thus prevents portal steel loop from deforming in follow-up hoisting process.In order to ensure support strength, the bracing frame 2 of the present embodiment is preferably made up of i iron and/or angle steel, certainly, i iron and angle steel are only a kind of preferred material of the present invention for the preparation of bracing frame 2, the present invention can also adopt other material with enough support strengths known in those skilled in the art, repeats no more herein.
Step is 2.: arrange locating rack 1 in the front of tunnel face, be lifted on described locating rack 1 by described portal steel loop assembly, described locating rack 1 can ensure that described portal steel loop assembly and described tunnel face are oppositely arranged.
What those skilled in the art should understand that is, relative with described tunnel face in order to ensure described portal steel loop assembly, and be convenient to follow-up being welded to connect, setting position and the height of locating rack 1 of the present invention should carry out accommodation according to the position of tunnel mouth, ensureing that the reinforcing bar of tunnel face can connect with the relative of described portal steel loop, can be welded to connect with the reinforcing bar of described tunnel face from being convenient to described portal steel loop assembly.
Step is 3.: be welded to connect by the reinforcing bar of described portal steel loop assembly and described tunnel face, namely complete the location and installation of portal steel loop.Visible, can be located on vertical direction and horizontal direction described portal steel loop assembly by locating rack 1, not only control the deviation that portal steel loop is installed, ensure that the accuracy that portal steel loop assembly is installed at cableway mouth, compared with prior art, the installation also simplified, improves installation effectiveness.
Step is 4.: the locating rack 1 removing described portal steel loop component bottom, and described locating rack 1 can reuse, thus contributes to saving construction cost, improves efficiency of construction.
As a preferred embodiment of the present invention, step 1. in, support frame as described above comprises the rice font support being fixed on portal steel loop inwall, eight ends of described rice font support are fixedly connected on the inwall of described portal steel loop equably, described portal steel loop is effectively supported, effectively prevent described portal steel loop from deforming under the effect of external force or own wt, thus improve the stability of described portal steel loop structure, ensure portal steel loop in installation process can with tunnel face mating shapes, be then convenient to carry out fitting operation more exactly.
On the basis of above-described embodiment, described rice font support preferably includes horizontal beam, vertical beam and two inclined beams together arranged in a crossed manner, angle between adjacent horizontal beam, vertical beam and inclined beams is preferably 45 °, namely the end of described horizontal beam, described vertical beam and described two inclined beams can be supported on the inwall of described portal steel loop equably, thus support effect is equably produced to the inwall of portal steel loop, avoid the problem that the support force of bracing frame 2 pairs of portal steel loops is uneven and portal steel loop that is that cause is out of shape.
As a preferred embodiment of the present invention, step 2. in, described locating rack 1 comprises base 11 and is arranged on the lift stand 12 on described base 11, the top of described lift stand 12 has the radian suitable with the outer wall of portal steel loop, thus card setting position is carried out to portal steel loop, described portal steel loop is avoided to roll on described lift stand 12, during use, described locating rack 1 lifts the bottom at described portal steel loop, and described portal steel loop can be lifted and be positioned on the position relative with described tunnel face by it.
In order to ensure the stability of base, base 11 of the present invention is preferably rectangular frame-pedestal.For the ease of carrying out stably location and installation to portal steel loop, the width of lift stand 12 of the present invention is preferably suitable with the width of described portal steel loop, as shown in Figure 1, the length of described lift stand 12 should be less than the half of described portal steel loop arc length, thus is convenient to stably be erected at by portal steel loop on the lift stand 12 of described locating rack 1.
On the basis of above-described embodiment, described lift stand 12 preferably includes the many reference columns be vertically arranged on described base, the length of described many reference columns gradually changes, thus form the radian suitable with the outer wall of described portal steel loop, namely the top of described many reference columns all can abut against with the outer wall of portal steel loop, is distributed on described many reference columns with ensureing the weight uniformity of portal steel loop.The present embodiment realizes lifting described portal steel loop by many reference columns, not only can ensure the stability of lift portal steel loop and accuracy, also contribute to the weight and the consumptive material that reduce locating rack, thus realizes the object that saves production cost.
More preferably, described many reference column arows are distributed on described base 11, each row is provided with many reference columns, such as shown in Fig. 2, each row arranges 5 reference columns, the reference column height of each row both sides is successively than the reference column increasing height of centre, thus realize the radian suitable with described portal steel loop outer wall, as shown in Figure 3, described base 11 is more preferably provided with the described reference column of at least two row, the top of multiple row reference column can be formed with the contact point of arc formal distribution with the outer wall of portal steel loop, the stability that reference column supports portal steel loop can be improved by this, certainly, consider cost of production, the present invention arranges 2 row reference columns on described base 11.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (10)

1. the device for location and installation portal steel loop, it is characterized in that, comprise the locating rack of the bottom for being arranged on portal steel loop and the bracing frame for being arranged on portal steel loop inside, described locating rack comprises base and is arranged on the lift stand on described base, and the top of described lift stand has the radian suitable with the outer wall of portal steel loop; Support frame as described above comprises the rice font support being fixed on portal steel loop inwall.
2. the device for location and installation portal steel loop according to claim 1, is characterized in that, described lift stand comprises the many reference columns be vertically arranged on described base, and the top of described many reference columns all can abut against with the outer wall of portal steel loop.
3. the device for location and installation portal steel loop according to claim 2, is characterized in that, described many reference column arows are distributed on described base.
4. the device for location and installation portal steel loop according to claim 3, is characterized in that, described base is provided with the described reference column of at least two row.
5. the device for location and installation portal steel loop according to claim 1, it is characterized in that, described rice font support comprises horizontal beam, vertical beam and two inclined beams together arranged in a crossed manner, is also provided with tie-beam between the end of two inclined beams of described rice font support.
6. for a method for location and installation portal steel loop, it is characterized in that, comprising:
Step is 1.: in portal steel loop, arrange the bracing frame for preventing described portal steel loop to be out of shape, and forms portal steel loop assembly;
Step is 2.: arrange locating rack in the front of tunnel face, be lifted on described locating rack by described portal steel loop assembly, described locating rack can ensure that described portal steel loop assembly and described tunnel face are oppositely arranged;
Step is 3.: be welded to connect by the reinforcing bar of described portal steel loop assembly and described tunnel face, namely complete the location and installation of portal steel loop;
Step is 4.: the locating rack removing described portal steel loop component bottom, reuses.
7. the method for location and installation portal steel loop according to claim 6, is characterized in that, step 1. in, support frame as described above comprises the rice font support being fixed on portal steel loop inwall.
8. the method for location and installation portal steel loop according to claim 7, it is characterized in that, described rice font support comprises horizontal beam, vertical beam and two inclined beams together arranged in a crossed manner, is also provided with tie-beam between the end of two inclined beams of described rice font support.
9. the method for location and installation portal steel loop according to claim 6, it is characterized in that, step 2. in, described locating rack comprises base and is arranged on the lift stand on described base, and the top of described lift stand has the radian suitable with the outer wall of portal steel loop.
10. the method for location and installation portal steel loop according to claim 9, is characterized in that, described lift stand comprises the many reference columns be vertically arranged on described base, and the top of described many reference columns all can abut against with the outer wall of portal steel loop.
CN201410785436.6A 2014-12-17 2014-12-17 Device and method for positioning and installing portal steel ring Pending CN104533464A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410785436.6A CN104533464A (en) 2014-12-17 2014-12-17 Device and method for positioning and installing portal steel ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410785436.6A CN104533464A (en) 2014-12-17 2014-12-17 Device and method for positioning and installing portal steel ring

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Publication Number Publication Date
CN104533464A true CN104533464A (en) 2015-04-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104929655A (en) * 2015-05-31 2015-09-23 中铁一局集团有限公司 Method for reducing subway shield tunnel portal construction risks
CN106382121A (en) * 2016-12-05 2017-02-08 中交第三航务工程局有限公司 Measuring method for subway tunnel shield excavation

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101200063A (en) * 2007-12-24 2008-06-18 沈阳重型机械集团有限责任公司 Manipulator of automatic positioning and rapid grasping pipe piece
CN202954822U (en) * 2012-07-09 2013-05-29 江苏牧羊集团有限公司 Multipurpose steel tube slice pre-assembly mould
JP5308116B2 (en) * 2008-10-08 2013-10-09 大成建設株式会社 How to build a tunnel
CN203669877U (en) * 2013-12-05 2014-06-25 中铁工程装备集团有限公司 Shield tunneling machine starting device with adjustable seal in matched mode
CN103924986A (en) * 2013-12-12 2014-07-16 中铁十四局集团有限公司 Overall installing device and installing method for extra-large shield launching hole door sealing steel ring
CN103953353A (en) * 2014-04-23 2014-07-30 中铁十五局集团有限公司 Shield launching counter-force frame and installation and use method thereof
CN204419207U (en) * 2014-12-17 2015-06-24 中国神华能源股份有限公司 A kind of device for location and installation portal steel loop

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101200063A (en) * 2007-12-24 2008-06-18 沈阳重型机械集团有限责任公司 Manipulator of automatic positioning and rapid grasping pipe piece
JP5308116B2 (en) * 2008-10-08 2013-10-09 大成建設株式会社 How to build a tunnel
CN202954822U (en) * 2012-07-09 2013-05-29 江苏牧羊集团有限公司 Multipurpose steel tube slice pre-assembly mould
CN203669877U (en) * 2013-12-05 2014-06-25 中铁工程装备集团有限公司 Shield tunneling machine starting device with adjustable seal in matched mode
CN103924986A (en) * 2013-12-12 2014-07-16 中铁十四局集团有限公司 Overall installing device and installing method for extra-large shield launching hole door sealing steel ring
CN103953353A (en) * 2014-04-23 2014-07-30 中铁十五局集团有限公司 Shield launching counter-force frame and installation and use method thereof
CN204419207U (en) * 2014-12-17 2015-06-24 中国神华能源股份有限公司 A kind of device for location and installation portal steel loop

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104929655A (en) * 2015-05-31 2015-09-23 中铁一局集团有限公司 Method for reducing subway shield tunnel portal construction risks
CN106382121A (en) * 2016-12-05 2017-02-08 中交第三航务工程局有限公司 Measuring method for subway tunnel shield excavation
CN106382121B (en) * 2016-12-05 2018-06-12 中交第三航务工程局有限公司 A kind of measuring method of subway tunnel shield driving

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