CN204780611U - Positioner of wave form steel web - Google Patents
Positioner of wave form steel web Download PDFInfo
- Publication number
- CN204780611U CN204780611U CN201520379261.9U CN201520379261U CN204780611U CN 204780611 U CN204780611 U CN 204780611U CN 201520379261 U CN201520379261 U CN 201520379261U CN 204780611 U CN204780611 U CN 204780611U
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- China
- Prior art keywords
- wavelike steel
- steel wire
- steel webplate
- wire rope
- corrugated steel
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- Expired - Lifetime
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Abstract
本实用新型的一种波形钢腹板的定位装置，涉及桥梁施工技术领域，针对现有的波形钢腹板在高空风荷载作用下横向晃动，导致其定位精确度差，施工不方便的问题。定位装置包括设置于两节波形钢腹板之间的定位支架；及内侧拉索和外侧拉索；内侧拉索包括沿箱梁轴线对称设置的至少两根钢丝绳一，钢丝绳一的一端固定于箱梁中部，另一端固定于波形钢腹板自由端的内侧；外侧拉索包括沿箱梁轴线对称设置的至少两根钢丝绳二，钢丝绳二的一端固定于箱梁的外侧边缘，另一端固定于两节波形钢腹板的外侧。
The utility model relates to a positioning device for corrugated steel webs, which relates to the technical field of bridge construction and aims at the problems that the existing corrugated steel webs shake laterally under the action of high-altitude wind load, resulting in poor positioning accuracy and inconvenient construction. The positioning device includes a positioning bracket arranged between two sections of corrugated steel webs; and an inner stay cable and an outer stay cable; the inner stay cable includes at least two steel wire ropes arranged symmetrically along the axis of the box girder, and one end of the steel rope one is fixed on the box In the middle of the beam, the other end is fixed on the inner side of the free end of the corrugated steel web; the outer cable includes at least two steel wire ropes arranged symmetrically along the axis of the box girder. Outer side of the corrugated steel web.
Description
Technical field
The utility model relates to technical field of bridge construction, particularly a kind of positioner of Wavelike steel webplate.
Background technology
Large span Wavelike steel webplate Continuous Box Girder Bridge is in the last few years by a kind of novel bridge abroad introduced, and its adopts Wavelike steel webplate to replace concrete web, has the features such as, easy construction good from heavy and light, anti-seismic performance.Key due to this type of bridge construction is exactly installation and the location of Wavelike steel webplate, and therefore, whether Wavelike steel webplate installation is quick and convenient and locate the quality and the efficiency that whether accurately directly determine bridge construction.
At present, the locate mode of Wavelike steel webplate is, minor diameter bolt is made to save the equal diameter circular hole in the middle of Wavelike steel webplate overlapping part to be installed through adjacent two, the gap between circular hole and bolt is utilized to realize the simple and easy adjustment of Wavelike steel webplate to be installed, carry out just connecting to Wavelike steel webplate to be installed and first location, after the absolute altitude of adjustment Wavelike steel webplate meets the requirements, tight a bolt, eliminate gap, be welded to connect.But, in the practice of construction process of large span Wavelike steel webplate Continuous Box Girder Bridge, the impact of wind load can not be ignored, Wavelike steel webplate before location horizontal shaking amplitude under the effect of upper-level winds load can reach 10cm ~ 20cm, not only have impact on the accuracy of Wavelike steel webplate location, and bring inconvenience to high-altitude construction.
Summary of the invention
In position fixing process for existing Wavelike steel webplate, Wavelike steel webplate is transverse shakiness under upper-level winds load action, cause its setting accuracy poor, the problem that construction is inconvenient, the purpose of this utility model is to provide a kind of positioner of Wavelike steel webplate, be connected with case back plate by the inner side drag-line and outside drag-line that are positioned at two joint Wavelike steel webplate both sides to be installed, and the location of Wavelike steel webplate is realized by the locating support being positioned at two joint Wavelike steel webplate free ends, avoid it rock under the impact of upper-level winds load and cannot accurately locate.
The utility model solves the positioner of the Wavelike steel webplate that its technical problem adopts, and comprising: to be arranged between the described Wavelike steel webplate of two joint arranged side by side and to be positioned at the locating support of described Wavelike steel webplate free end; And inner side drag-line and outside drag-line; Wherein, described inner side drag-line comprises at least two wire rope one arranged along case beam axisymmetrical, and the middle part of described case beam is fixed in one end of described wire rope one, and the other end of described wire rope one is individually fixed in the inner side of the described Wavelike steel webplate free end of two joints; Described outside drag-line comprises at least two wire rope two arranged along described case beam axisymmetrical, and the outer ledge of described case beam is fixed in one end of described wire rope two, and the other end of described wire rope is fixed on the outside of the described Wavelike steel webplate of two joints.
Preferably, described locating support is positioned at the bottom of the described Wavelike steel webplate free end of two joints, and described inner side drag-line and described outside drag-line are positioned at the top of described Wavelike steel webplate free end.
Preferably, described inner side drag-line comprises four wire rope one arranged along described case beam axisymmetrical, wherein, one end of two described wire rope one is detachably connected on the free end of described Wavelike steel webplate, and one end of other two described wire rope one is then detachably connected on the middle part of described Wavelike steel webplate.
Preferably, one end of described wire rope two is connected with the embedded bar in described case beam, and its other end is detachably connected on described Wavelike steel webplate.
Preferably, at least one described wire rope one and at least one described wire rope two are positioned on same vertical line with the tie point of described Wavelike steel webplate.
Preferably, described wire rope one and described wire rope two are equipped with gaily decorated basket screw rod.
Preferably, described locating support is the trussed construction framework be formed by connecting by welding, riveted joint or bolt by shaped steel rod member.
Effect of the present utility model is: in work progress, one end of Wavelike steel webplate to be installed is connected with mounted Wavelike steel webplate, because the other end of Wavelike steel webplate to be installed is not yet fixing, the impact of upper-level winds load can be subject to and rock, make to locate inaccuracy, construction is inconvenient, positioner of the present utility model, be connected with case back plate by the inner side drag-line and outside drag-line that are positioned at two joint Wavelike steel webplate both sides to be installed, realize the location of Wavelike steel webplate, it is avoided to rock under the impact of upper-level winds load and cannot accurately locate, and, to be arranged between two joint Wavelike steel webplates and to be positioned at the locating support of its free end, not only ensure that the accuracy of two joint Wavelike steel webplate relative positions, and strengthen the structural strength of two joint Wavelike steel webplates, more be conducive to carrying out smoothly of follow-up concrete pouring construction.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of the utility model one embodiment Wavelike steel webplate;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is the schematic diagram of the utility model one embodiment Wavelike steel webplate installation process.
Detailed description of the invention
Be described in further detail below in conjunction with the positioner of the drawings and specific embodiments to a kind of Wavelike steel webplate that the utility model proposes.According to explanation below and claims, advantage of the present utility model and feature will be clearer.Below by cited embodiment by reference to the accompanying drawings, technology contents of the present utility model and feature will be described in detail.Need to illustrate in addition, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, aid illustration the utility model embodiment lucidly.For sake of convenience, hereinafter described " on ", D score is consistent with the upper and lower direction of accompanying drawing, but this can not become the restriction of technical solutions of the utility model.
Composition graphs 1 to Fig. 3 illustrates the positioner of Wavelike steel webplate of the present utility model, two blocks of steel webs 3 are vertically set up in parallel between the top board 1 of case beam and base plate 2, two blocks of steel webs 3 are symmetrical arranged along case beam axis ax, and every block steel web 3 forms by some joint Wavelike steel webplate 3a are end to end, casting area treated by top board 1, base plate 2 and two blocks of common concrete forming case beam of steel web 3.One end of Wavelike steel webplate 3a to be installed is fixedly connected with mounted Wavelike steel webplate 3a, and its other end is front of motor, hereinafter referred to as the free end of Wavelike steel webplate 3a.The positioner 10 of the present embodiment comprises and to be arranged between two joint Wavelike steel webplate 3a arranged side by side and to be positioned at the locating support 11 of its free end; And inner side drag-line 12 and outside drag-line 13; Wherein, inner side drag-line 12 comprises along case beam axis ax symmetrically arranged at least two wire rope one 12a, and the middle part of case beam is fixed in one end of wire rope one 12a, and its other end is individually fixed in the inner side of two joint Wavelike steel webplate 3a free ends; Outside drag-line 13 comprises along symmetrically arranged at least two wire rope two of case beam axis ax, and the outer ledge of case beam is fixed in one end of wire rope two, and its other end is fixed on the outside of two joint Wavelike steel webplate 3a.Above described inside and outside be with near the side of case beam axis ax for inner side, otherwise the side away from case beam axis ax is outside.
In work progress, one end of Wavelike steel webplate 3a to be installed is connected with mounted Wavelike steel webplate 3a, because the other end of Wavelike steel webplate 3a to be installed is not yet fixing, the impact of upper-level winds load can be subject to and rock, make to locate inaccuracy, construction is inconvenient, positioner of the present utility model, be connected with case back plate 1 by the inner side drag-line 12 and outside drag-line 13 that are positioned at two joint Wavelike steel webplate 3a both sides to be installed, realize the location of Wavelike steel webplate 3a, it is avoided to rock under the impact of upper-level winds load and cannot accurately locate, and, to be arranged between two joint Wavelike steel webplate 3a and to be positioned at the locating support 11 of its free end, not only ensure that the accuracy of two joint Wavelike steel webplate 3a relative positions, and strengthen the structural strength of two joint Wavelike steel webplate 3a, more be conducive to carrying out smoothly of follow-up concrete pouring construction.
As shown in Figure 1, locating support 11 is positioned at the bottom of two joint Wavelike steel webplate 3a free ends, and inner side drag-line 12 and outside drag-line 13 are positioned at the top of Wavelike steel webplate 3a free end.Setting like this is more conducive to the resistance to overturning of Wavelike steel webplate 3a to be installed, avoids Wavelike steel webplate 3a local pressure uneven.
As the embodiment of the best, as shown in Figure 1, above-mentioned inner side drag-line 12 comprises along symmetrically arranged four wire rope one (12a, 12b) of case beam axis ax, wherein, one end of two wire rope one 12a is detachably connected on the free end of Wavelike steel webplate 3a, and one end of other two wire rope one 12b is then detachably connected on the middle part of Wavelike steel webplate 3a.Because Wavelike steel webplate 3a size is comparatively large, by the traction action of four wire rope one (12a, 12b) of symmetry, can avoid being out of shape because of unbalance stress in the middle part of Wavelike steel webplate 3a.Specifically, Wavelike steel webplate 3a is provided with some preformed hole (not shown)s, this preformed hole can be passed and anchoring in the end of four wire rope one (12a, 12b), the end face of case back plate 1 is provided with embedded bar, the other end of four wire rope one (12a, 12b) can be welded on this embedded bar, also can connector be welded on embedded bar, and the end of four wire rope one (12a, 12b) and connector removably connect, connected mode is herein only an example, also can adopt other forms of firm connection.
Better, outside drag-line 13 comprises at least two along the symmetrically arranged wire rope two of case beam axis ax, one end of wire rope two is connected with the embedded bar in top board 1, its other end is detachably connected on Wavelike steel webplate 3a, and the tie point of wire rope two and wire rope one 12b and Wavelike steel webplate 3a is positioned on same vertical line, make medial and lateral in the middle part of Wavelike steel webplate 3a stressed more balanced.
In addition, wire rope one (12a, 12b) and wire rope two are equipped with gaily decorated basket screw rod (not shown), for regulating the degree of tightness of wire rope one (12a, 12b) and wire rope two, to adjust the horizontal level of Wavelike steel webplate 3a, realize its horizontal quasi and determine position.
Please continue to refer to Fig. 1, locating support 11 is the trussed construction frameworks be formed by connecting by welding, riveted joint or bolt by shaped steel rod member, its rod member mainly bears axial tension or pressure, thus the intensity of material can be made full use of, when span is larger, comparable solid web girder saves material, alleviates deadweight and increases rigidity.
Composition graphs 1 to Fig. 3 illustrates the position fixing process of the positioner utilizing above-mentioned Wavelike steel webplate:
One, after the concrete of building between mounted n-th joint Wavelike steel webplate 3a reaches the intensity of designing requirement, to be installed (n+1)th joint Wavelike steel webplate 3a is winched to case beam surface by tower crane, electric block 21 on recycling construction purlin car 20 lifts by crane the (n+1)th joint Wavelike steel webplate 3a to be installed, it is made to move along sliding beam 22 to cantilevered orientation, and be positioned over the front end of mounted n-th joint Wavelike steel webplate 3a, bolt connects the n-th joint Wavelike steel webplate 3a and (n+1)th joint Wavelike steel webplate 3a, carries out Primary Location;
Two, on the top of the (n+1)th joint Wavelike steel webplate 3a, inner side drag-line 12 and outside drag-line 13 are installed respectively, (n+1)th joint Wavelike steel webplate 3a is carried out located lateral locking, after the absolute altitude that adjustment (n+1)th saves Wavelike steel webplate 3a reaches designing requirement, between two joint (n+1)th joint Wavelike steel webplate 3a, locating support 11 is installed, Wavelike steel webplate 3a is connected with the joint welding of locating support 11, namely save Wavelike steel webplate 3a further by locating support 11 pairs of both sides (n+1)th and carry out located lateral locking, can ensure that the Wavelike steel webplate 3a of both sides can not be shifted under wind load and working load Vibration Condition,
Three, concreting between the (n+1)th joint Wavelike steel webplate 3a after mounting, reaches after design strength until concrete, removes inner side drag-line 12 and outside drag-line 13 and locating support 11, and reuses in subsequent construction;
Four, repeat above-mentioned steps one to step 3, progressively complete the installation of Wavelike steel webplate 3a and the concrete pouring construction of case beam, wherein, n be more than or equal to 1 integer.
Further, in above-mentioned steps two, inner side drag-line 12 comprises along case beam axis ax symmetrically arranged at least two wire rope one 12a, and the middle part of case beam is fixed in one end of wire rope one 12a, and its other end is individually fixed in the inner side of two joint Wavelike steel webplate 3a free ends; Outside drag-line 13 comprises at least two along the symmetrically arranged wire rope two of case beam axis ax, and one end of wire rope two is connected with the embedded bar in top board 1, and its other end is detachably connected on Wavelike steel webplate 3a.
Foregoing description is only the description to the utility model preferred embodiment; any restriction not to the utility model scope; any change that the those of ordinary skill in the utility model field does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520379261.9U CN204780611U (en) | 2015-06-05 | 2015-06-05 | Positioner of wave form steel web |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520379261.9U CN204780611U (en) | 2015-06-05 | 2015-06-05 | Positioner of wave form steel web |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204780611U true CN204780611U (en) | 2015-11-18 |
Family
ID=54520696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520379261.9U Expired - Lifetime CN204780611U (en) | 2015-06-05 | 2015-06-05 | Positioner of wave form steel web |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204780611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040591A (en) * | 2015-06-05 | 2015-11-11 | 上海外经集团控股有限公司 | Positioning device for waveform steel web and positioning method thereof |
-
2015
- 2015-06-05 CN CN201520379261.9U patent/CN204780611U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040591A (en) * | 2015-06-05 | 2015-11-11 | 上海外经集团控股有限公司 | Positioning device for waveform steel web and positioning method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20151118 |