CN104140040A - Lower portal crane runway extending device for variable cross-section structural system of subway station - Google Patents
Lower portal crane runway extending device for variable cross-section structural system of subway station Download PDFInfo
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- CN104140040A CN104140040A CN201410357398.4A CN201410357398A CN104140040A CN 104140040 A CN104140040 A CN 104140040A CN 201410357398 A CN201410357398 A CN 201410357398A CN 104140040 A CN104140040 A CN 104140040A
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- portal crane
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Abstract
The invention discloses a lower portal crane runway extending device for a variable cross-section structural system of a subway station and relates to the field of construction of a subway. A plurality of supporting pillars are fixedly connected with the top of a bottom plate and all located under the central axis of a runway to be erected, and the tops of the supporting pillars located between a first standard segment runway and an end well are fixedly connected with a first runway foundation beam; the tops of the supporting pillars located between a second standard segment runway and the end well are fixedly connected with a second runway foundation beam. The supporting pillars are fixedly connected with the bottom plate, and the first standard segment runway foundation beam and the second standard segment runway foundation beam are both fixedly connected with the supporting pillars. Compared with a traditional reinforced concrete structure adopted in the prior art, the manufacturing time can be shortened, and the construction period is effectively shortened. The lower portal crane runway extending device can be repeatedly used, and using cost is effectively reduced; the number of working procedures is small, and the lower portal crane runway extending device is safe in construction.
Description
Technical field
The present invention relates to subway engineering preparation of construction field, be specifically related to a kind of for portal crane rail extension apparatus under the variable section structure system of subway station.
Background technology
In subway construction process, conventionally use transfer crane as transportation device, the track of transfer crane is arranged at the hat back portion of building enclosure conventionally.
In the running tunnel work progress of subway, a large amount of construction materials and earth need to transport from the tunnel portal place of end well, subway station generally adopts variable section structure system, the end well structure of this system is wider than standard paragraphs structure, because traditional portal crane rail is generally standard paragraphs span, therefore, the track of traditional transfer crane cannot move to the end well position of subway station, is difficult to construction material and earth to transport from tunnel portal.
Present stage, common arrangement and method for construction is the ferro-concrete track foundation that is provided for transfer crane walking at end well place, concrete track basis comprises the first standard paragraphs track and the second standard paragraphs track for being used in conjunction with transfer crane, the two ends of the first standard paragraphs track, the second standard paragraphs track are all arranged at the hat back portion of building enclosure, the middle concrete column that adopts supports, and is provided with horizontal tie-beam and longitudinal tie-beam between concrete column.
There is following defect in the existing ferro-concrete track foundation for transfer crane walking:
The existing ferro-concrete track for transfer crane walking comprises the first standard paragraphs track and the second standard paragraphs track, the first standard paragraphs track and the second standard paragraphs track all adopt ferro-concrete to make, conventional steel tendon concrete structure construction period is longer, being difficult for dismounting and material can not reuse, and is Bullet structure.
In the first standard paragraphs track, the second standard paragraphs track construction, all need in deep basal pit, set up falsework, and carry out reinforcing bar binding and casting concrete, operation is more, constructs more dangerous.
Summary of the invention
For the defect existing in prior art, the object of the present invention is to provide one for portal crane rail extension apparatus under the variable section structure system of subway station, can reuse, effectively reduce use cost; Operation is less, constructs safer.
For reaching above object, the technical scheme that the present invention takes is: a kind of for portal crane rail extension apparatus under the variable section structure system of subway station, described subway station variable section structure system comprises end well, the first standard paragraphs track and the second standard paragraphs track, the bottom of subway station variable section structure system is provided with base plate, end well is provided with the first coupling end and the second coupling end, the first coupling end is used for and the first standard paragraphs orbital docking, the second coupling end is used for and the second standard paragraphs orbital docking, it is characterized in that: by the line segment between the extended line of the first standard paragraphs track and end well intersection point, line segment between the extended line of the second standard paragraphs track and end well intersection point is all as track to be set up, the top of described base plate is fixedly connected with some pillar stiffeners, all pillar stiffeners be all positioned at track to be set up axis under, all pillar stiffeners between the first standard paragraphs track and end well, its top is fixedly connected with the first track foundation beam, all pillar stiffeners between the second standard paragraphs track and end well, its top is fixedly connected with the second track foundation beam.
On the basis of such scheme, between every pillar stiffener and base plate, be provided with contiguous block.
On the basis of such scheme, the top of described base plate is provided with the linking beam for fixed pedestal post, and all linking beams all adopt early strength concrete to make.
As claimed in claim 1 for portal crane rail extension apparatus under the variable section structure system of subway station, it is characterized in that: the distance between adjacent supports post is 2～3m.
On the basis of such scheme, between described adjacent supports post, be provided with the bridging structure that some employing steel are made.
On the basis of such scheme, the top of described base plate is provided with middle plate, and the top of described middle plate is provided with some connecting panels, and the top of connecting panel is provided with horizontal shore, and steel plate is connected with pillar stiffener by horizontal shore.
On the basis of such scheme, described the first standard paragraphs track foundation beam, the second standard paragraphs track foundation beam all adopt some I-beam sections to be spliced along track to be set up, the web both sides of every I-beam section are provided with strengthening rib, and the distance between the adjacent strengthening rib of the same side is 0.5～1.5m.
On the basis of such scheme, the top of described the first standard paragraphs track foundation beam, the second standard paragraphs track foundation beam is top flange, and bottom is lower flange, and top flange is provided with some upper reinforcing plates, and the distance between adjacent upper reinforcing plate is 0.5～1.5m; Lower flange is provided with some lower reinforcing plates, and the distance between adjacent lower reinforcing plate is 0.5～1.5m.
Compared with prior art, the invention has the advantages that:
(1) embodiment of the present invention for portal crane rail extension apparatus under the variable section structure system of subway station, comprise the pillar stiffener, the first standard paragraphs track foundation beam and the second standard paragraphs track foundation beam that adopt steel to make, pillar stiffener is fixedly connected with base plate, the first standard paragraphs track foundation beam, the second standard paragraphs track foundation beam are all fixedly connected with pillar stiffener, with available technology adopting conventional steel tendon concrete structure, can shorten preparation time, effectively shorten the duration of construction.
(2) embodiment of the present invention for portal crane rail extension apparatus under the variable section structure system of subway station, in installation process, by pillar stiffener and base plate welding, the first standard paragraphs track foundation beam and the second standard paragraphs track foundation beam all with pillar stiffener welding, and need in deep basal pit, set up falsework in prior art, and carry out reinforcing bar binding and casting concrete, operation is more, more dangerous the comparing of constructing, not only operation is simple, and construction is safer.
(3) the present invention is for portal crane rail extension apparatus under the variable section structure system of subway station, after its pillar stiffener, the first standard paragraphs track foundation beam and the second standard paragraphs track foundation beam are used to complete, can dismantle and become independently pillar stiffener and I-beam section, pillar stiffener and I-beam section can repeated usagies, go out of use with door pillar in prior art, waste resource is compared, and not only economizes on resources, and can effectively reduce construction cost.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention for the existing agent structure of portal crane rail extension apparatus under the variable section structure system of subway station;
Fig. 2 is the interconnective structural representation of pillar stiffener adjacent in the present invention;
Fig. 3 is the structural representation that in the present invention, pillar stiffener is connected with middle plate.
In figure: 1-end well, 2-the first standard paragraphs track, 3-track to be set up, 4-the second standard paragraphs track, 5-bridging, 6-pillar stiffener, 7-linking beam, 8-horizontal shore, 9-connecting panel, plate in 10-.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
In the embodiment of the present invention, provide for portal crane rail extension apparatus under the variable section structure system of subway station, agent structure based on existing subway station is variable section structure system, and its inside is disposed with top board, middle plate 10 and base plate from top to bottom.
Shown in Figure 1, this system comprises end well 1, the first standard paragraphs track 2 and the second standard paragraphs track 4, end well 1 is provided with the first coupling end and the second coupling end, the first coupling end is for docking with the first standard paragraphs track 2, the second coupling end is for docking with the second standard paragraphs track 4, and the line segment between the line segment between the extended line of the first standard paragraphs track 2 and end well 1 intersection point, the extended line of the second standard paragraphs track 4 and end well 1 intersection point is all as track 3 to be set up.
In the embodiment of the present invention, provide for portal crane rail extension apparatus under the variable section structure system of subway station, comprise some pillar stiffeners 6 that are vertically arranged at base plate top, pillar stiffener 6 adopts steel to make, the cross-sectional plane of pillar stiffener 6 is annular arrangement, all pillar stiffeners 6 be all positioned at track to be set up 3 axis under, all pillar stiffeners 6 between the first standard paragraphs track 2 and end well 1, its top is provided with the first standard paragraphs track foundation beam, all pillar stiffeners 6 between the second standard paragraphs track 5 and end well 1, its top is provided with the second track foundation beam.
Shown in Figure 2, between every pillar stiffener 6 and base plate, be provided with contiguous block, the top of base plate is provided with the linking beam 7 for fixing some pillar stiffeners 6, and linking beam 7 adopts early strength concrete to make.
Distance between adjacent pillar stiffener 6 is 2～3m (being preferably 2.17m).Between adjacent pillar stiffener 6, be provided with bridging 5 structures that some employing steel are made.
The top of every pillar stiffener 6 be provided with for the reinforcing bar of building enclosure drawknot, pillar stiffener 6 is connected with building enclosure by reinforcing bar.
Shown in Figure 3, the top of middle plate 10 is provided with some connecting panels 9, and the top of connecting panel 9 is provided with horizontal shore 8, and steel plate is connected with pillar stiffener 6 by horizontal shore 8.
The first standard paragraphs track foundation beam, the second standard paragraphs track foundation beam all adopt some I-beam sections to be spliced along track 3 to be set up, the web both sides of every I-beam section are provided with strengthening rib, and the distance between the adjacent strengthening rib of the same side is 0.5～1.5m.
The top of the first standard paragraphs track foundation beam, the second standard paragraphs track foundation beam is top flange, and bottom is lower flange, and top flange is provided with some upper reinforcing plates, and the distance between adjacent upper reinforcing plate is 0.5～1.5m; Lower flange is provided with some lower reinforcing plates, and the distance between adjacent lower reinforcing plate is 0.5～1.5m.
The erection method for portal crane rail extension apparatus under the variable section structure system of subway station of the embodiment of the present invention, comprises the following steps:
S1: some pillar stiffener attachment points are set at the base plate top of subway station, all pillar stiffener attachment points are all positioned on the axis of track 3 to be set up, distance between two adjacent attachment points is 2～3m (being 2.17m in the embodiment of the present invention), at the pre-buried mounting blocks of each attachment point, at the top of every mounting blocks, a pillar stiffener 6 is all set.
S2: use early strength concrete, build the linking beam 7 for connecting pillar stiffener 6 at the top of base plate.
S3: adopt the other end of 6,3 reinforcing bars of 3 reinforcing bar anchor ear drawknot pillar stiffeners to be fixedly connected with the reinforcing bar of building enclosure at the top of pillar stiffener 6.
At the top of middle plate 10, part corresponding to every pillar stiffener 6 is all fixedly connected with a connecting panel 9, between every connecting panel 9 and corresponding pillar stiffener 6, be provided with a horizontal shore 8, every horizontal shore 8 all adopts I-beam section to make, between adjacent pillar stiffener 6, be provided with some bridging 5 structures, some bridging 5 structures all adopt steel to make.
S4: be provided with the first standard paragraphs track foundation beam at pillar stiffener 6 tops between the first standard paragraphs track 2 and end well 1, pillar stiffener 6 tops between the second standard paragraphs track 5 and end well 1 are provided with the second track foundation beam, and the first standard paragraphs track foundation beam, the second standard paragraphs track foundation beam are all fixedly connected with end well 1.
The first standard paragraphs track foundation beam, the second standard paragraphs track foundation beam all adopt some I-beam sections to be spliced along track to be set up, and the web both sides of every I-beam section are provided with strengthening rib, and the distance between the adjacent strengthening rib of the same side is 0.5～1.5m.
The first standard paragraphs track foundation beam, the second standard paragraphs track foundation back portion are top flange, bottom is lower flange, top flange is provided with some upper reinforcing plates, distance between adjacent upper reinforcing plate is 0.5～1.5m, the lower flange of track foundation beam is provided with some lower reinforcing plates, and the distance between adjacent lower reinforcing plate is 0.5～1.5m.
In actual use, the distance between the adjacent strengthening rib of the same side is set according to actual needs, and in embodiments of the present invention, the distance between the adjacent strengthening rib of the same side is 1m.
In actual use, the distance between adjacent upper reinforcing plate is set according to actual needs, and in embodiments of the present invention, the distance between adjacent upper reinforcing plate is 0.5m.
In actual use, the distance between adjacent lower reinforcing plate is set according to actual needs, and in embodiments of the present invention, the distance between adjacent lower reinforcing plate is 0.5m.
The present invention is not limited to above-mentioned embodiment, for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, within these improvements and modifications are also considered as protection scope of the present invention.The content not being described in detail in this specification sheets belongs to the known prior art of professional and technical personnel in the field.
Claims (8)
1. one kind for portal crane rail extension apparatus under the variable section structure system of subway station, described subway station variable section structure system comprises end well (1), the first standard paragraphs track (2) and the second standard paragraphs track (4), the bottom of subway station variable section structure system is provided with base plate, end well (1) is provided with the first coupling end and the second coupling end, the first coupling end is for docking with the first standard paragraphs track (2), the second coupling end is for docking with the second standard paragraphs track (4), it is characterized in that: by the line segment between the extended line of the first standard paragraphs track (2) and end well (1) intersection point, line segment between the extended line of the second standard paragraphs track (4) and end well (1) intersection point is all as track to be set up (3), the top of described base plate is fixedly connected with some pillar stiffeners (6), all pillar stiffeners (6) be all positioned at track to be set up (3) axis under, be positioned at all pillar stiffeners (6) between the first standard paragraphs track (2) and end well (1), its top is fixedly connected with the first track foundation beam, be positioned at all pillar stiffeners (6) between the second standard paragraphs track (4) and end well (1), its top is fixedly connected with the second track foundation beam.
2. as claimed in claim 1 for portal crane rail extension apparatus under the variable section structure system of subway station, it is characterized in that: between every pillar stiffener (6) and base plate, be provided with contiguous block.
3. as claimed in claim 2 for portal crane rail extension apparatus under the variable section structure system of subway station, it is characterized in that: the top of described base plate is provided with for the linking beam of fixed pedestal post (6) (7), and all linking beams (7) all adopt early strength concrete to make.
4. as claimed in claim 1 for portal crane rail extension apparatus under the variable section structure system of subway station, it is characterized in that: the distance between adjacent supports post (6) is 2～3m.
5. as claimed in claim 4 for portal crane rail extension apparatus under the variable section structure system of subway station, it is characterized in that: between described adjacent supports post (6), be provided with bridging (5) structure that some employing steel are made.
6. as claimed in claim 1 for portal crane rail extension apparatus under the variable section structure system of subway station, it is characterized in that: the top of described base plate is provided with middle plate (10), the top of described middle plate (10) is provided with some connecting panels (9), the top of connecting panel (9) is provided with horizontal shore (8), and steel plate is connected with pillar stiffener (6) by horizontal shore (8).
7. as claimed in claim 1 for portal crane rail extension apparatus under the variable section structure system of subway station, it is characterized in that: described the first standard paragraphs track foundation beam, the second standard paragraphs track foundation beam all adopt some I-beam sections to be spliced along track to be set up (3), the web both sides of every I-beam section are provided with strengthening rib, and the distance between the adjacent strengthening rib of the same side is 0.5～1.5m.
8. as claimed in claim 7 for portal crane rail extension apparatus under the variable section structure system of subway station, it is characterized in that: the top of described the first standard paragraphs track foundation beam, the second standard paragraphs track foundation beam is top flange, bottom is lower flange, top flange is provided with some upper reinforcing plates, and the distance between adjacent upper reinforcing plate is 0.5～1.5m; Lower flange is provided with some lower reinforcing plates, and the distance between adjacent lower reinforcing plate is 0.5～1.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410357398.4A CN104140040B (en) | 2014-07-24 | 2014-07-24 | For portal crane rail extension apparatus under the variable section structure system of subway station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410357398.4A CN104140040B (en) | 2014-07-24 | 2014-07-24 | For portal crane rail extension apparatus under the variable section structure system of subway station |
Publications (2)
| Publication Number | Publication Date |
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| CN104140040A true CN104140040A (en) | 2014-11-12 |
| CN104140040B CN104140040B (en) | 2016-06-08 |
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| CN201410357398.4A Active CN104140040B (en) | 2014-07-24 | 2014-07-24 | For portal crane rail extension apparatus under the variable section structure system of subway station |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101058968A (en) * | 2006-04-21 | 2007-10-24 | 中铁一局集团新运工程有限公司 | Underground narrow shield well hanging point replacement type steel rail underslung construction method |
| CN101413234A (en) * | 2008-09-27 | 2009-04-22 | 中铁一局集团有限公司 | Arranging construction method of subway narrow shield well inclined hoisting rail |
| CN102628278A (en) * | 2012-05-03 | 2012-08-08 | 孙涛 | 'U-pipe pier' urban underground railroad |
| CN102632895A (en) * | 2012-05-03 | 2012-08-15 | 孙涛 | High-speed underground railroad applying ventilating towers for operation |
| CN103726421A (en) * | 2014-01-23 | 2014-04-16 | 中铁一局集团有限公司 | Height and span adjustable track paver for metro construction |
-
2014
- 2014-07-24 CN CN201410357398.4A patent/CN104140040B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101058968A (en) * | 2006-04-21 | 2007-10-24 | 中铁一局集团新运工程有限公司 | Underground narrow shield well hanging point replacement type steel rail underslung construction method |
| CN101413234A (en) * | 2008-09-27 | 2009-04-22 | 中铁一局集团有限公司 | Arranging construction method of subway narrow shield well inclined hoisting rail |
| CN102628278A (en) * | 2012-05-03 | 2012-08-08 | 孙涛 | 'U-pipe pier' urban underground railroad |
| CN102632895A (en) * | 2012-05-03 | 2012-08-15 | 孙涛 | High-speed underground railroad applying ventilating towers for operation |
| CN103726421A (en) * | 2014-01-23 | 2014-04-16 | 中铁一局集团有限公司 | Height and span adjustable track paver for metro construction |
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| Publication number | Publication date |
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| CN104140040B (en) | 2016-06-08 |
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