CN208150771U - A kind of introversion formula steel case arch rib entirety winding level restraint device - Google Patents
A kind of introversion formula steel case arch rib entirety winding level restraint device Download PDFInfo
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- CN208150771U CN208150771U CN201820334208.0U CN201820334208U CN208150771U CN 208150771 U CN208150771 U CN 208150771U CN 201820334208 U CN201820334208 U CN 201820334208U CN 208150771 U CN208150771 U CN 208150771U
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- steel
- steel pipe
- pedestal
- horizontal
- arch rib
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Abstract
The utility model discloses a kind of introversion formula steel case arch rib entirety winding level restraint devices, including horizontal restraint rope and relatively main bridge median plane is symmetrically arranged for promoting the pedestal steel case of steel box arch rib, the pedestal steel case surrounds cuboid by chassis outer side steel plate, and the pedestal steel case is along the also spaced and parallel horizontal seamless steel pipe for being equipped with two or more in arch direction；The horizontal restraint rope is the prestress wire group being laterally arranged, every horizontal seamless steel pipe and its horizontal seamless steel pipe being arranged oppositely form one group to the horizontal seamless steel pipe of drawing, every group in the horizontal seamless steel pipe of drawing to having one group of prestress wire to pass through, the outside of pedestal steel case is arranged in prestress wire one end, and the outside of opposite pedestal steel case is arranged in the other end.The utility model helps to counteract that since steel box arch rib self weight generates the power deformed outward, to ensure that the precision of steel box arch rib installation drawing by horizontal.
Description
Technical field
The utility model relates to bridge construction field, especially a kind of introversion formula steel case arch rib entirety winding level is about
Bundle device.
Background technique
With the maturation of new technology innovation and arch rib mounting process, it is whole that some units in charge of construction develop introversion formula steel box arch rib
Body lifting device can be improved construction speed by this integral lifting apparatus, reduce temporary structure project amount, reduces arch rib and spells
The difficulty of dress reduces the high altitude operation time, ensure that the construction efficiency of steel box arch rib installation and the raising of safety.However,
When progress steel box arch rib is integrally promoted, due to the biggish self weight of steel box arch rib itself and the influence of many objective factors, steel case
Arch rib easily generates non-uniform local deformation, and difficulty of construction increases when steel box arch rib being caused to close up installation, and position aligning time is elongated,
Low efficiency, and installation accuracy is difficult to control.Therefore, in order to guarantee that steel box arch rib installation accuracy and working efficiency improve, pole
It is necessary to develop a kind of introversion formula steel case arch bridge steel box arch rib entirety winding level restraint device, integrally promoted in steel box arch rib
Cheng Zhong is maximized and is balanced out due to steel box arch rib self weight and generate the power deformed outward, reduces steel box arch rib when integrally being promoted
Horizontal distortion, ensure that steel box arch rib installation precision.
Utility model content
The utility model discloses a kind of introversion formula steel case arch rib entirety winding level restraint devices, can pass through level
Drawing is helped to counteract that and generates the power deformed outward since steel box arch rib is self-possessed, to ensure that the essence of steel box arch rib installation
Degree.
To achieve the above object, the technical solution of the utility model is：
A kind of introversion formula steel case arch rib entirety winding level restraint device, including in horizontal restraint rope and relatively main bridge
Heart face is symmetrically arranged for promoting the pedestal steel case of steel box arch rib, and the pedestal steel case surrounds cuboid by chassis outer side steel plate
Shape, the pedestal steel case is along the also spaced and parallel horizontal seamless steel pipe for being equipped with two or more in arch direction；In pedestal steel case
Side is arranged at intervals with the pedestal lateral stiffening steel plate and pedestal longitudinal direction stiffened steel plates connected in right-angled intersection；In pedestal lateral stiffening
It is equipped with circular hole in steel plate, horizontal seamless steel pipe is inserted into matching；The horizontal restraint rope is the prestress steel twist being laterally arranged
Line group, every horizontal seamless steel pipe and its horizontal seamless steel pipe being arranged oppositely form one group to the horizontal seamless steel pipe of drawing, and every group
To having one group of prestress wire to pass through in the horizontal seamless steel pipe of drawing, the outer of pedestal steel case is arranged in prestress wire one end
The outside of opposite pedestal steel case is arranged in side, the other end.
Preferably, the vertical center of left and right and upper and lower two sides the difference relative level seamless steel pipe of the horizontal seamless steel pipe
Face and transverse center face are symmetrically connected with pipe stiffener plate.
Preferably, the height of the pipe stiffener plate is the 1/2 ~ 1/3 of horizontal seamless steel pipe caliber.
Preferably, the horizontal seamless steel pipe one or both ends extend outside the base side steel plate, horizontal seamless steel pipe one end or
The upper surface of the extension at both ends reinforces box beam with a steel pipe is connected with separately below.
It is furthermore preferred that the steel pipe is reinforced being connected with anchor plate on the outside of box beam, and the port of every horizontal seamless steel pipe point
It is not arranged in anchor plate correspondingly.
It is furthermore preferred that the steel pipe reinforces being arranged at intervals with two pieces or more of reinforcement box beam vertical stiffener inside box beam,
The steel pipe reinforces also being arranged at intervals with two pieces or more of pedestal aperture vertical stiffener between box beam, reinforces box beam and vertically puts more energy into
Plate and pedestal aperture vertical stiffener are set in the vertical direction on same straight line.
Preferably, the horizontal seamless steel pipe is equidistant interval setting.
Preferably, the transverse center face of pedestal steel case or less is arranged in the central axes of the horizontal seamless steel pipe.
The utility model has the following advantages that：
（1）By the utility model can horizontal displacement to steel box arch rib and horizontal tilt angle carry out whole control, protect
It can be quickly accurately positioned when having demonstrate,proved steel box arch rib installation, improve construction efficiency.
（2）Using the utility model can also assembly provides support at low level for steel box arch rib, high-altitude work is greatly reduced
Industry amount, reduces construction risk, improves the construction efficiency of operating personnel, substantially reduces the construction period.
（3）Drawing can be helped to counteract that due to steel box arch rib using the utility model progress horizontal direction in lifting
It is self-possessed and generates the power deformed outward, has can avoid using traditional lifting machine or since external factor causes steel box arch rib to become
Shape.
（4）Tensioning equipment carries out the control in horizontal direction by the utility model, so that single tensioning point or multiple
Draw point can be with Collaborative Control, caused by aerial attitude accuracy is insufficient when reducing tradition lifting because of device fabrication error, installation
Adjustment workload is repeated, quick accurate positioning when steel box arch rib installation is ensure that, improves construction efficiency.
Detailed description of the invention
Fig. 1 is the whole schematic view of facade structure of the utility model；
Fig. 2 is the volume rendering structural schematic diagram of the pedestal steel case of the utility model；
Fig. 3 is the schematic perspective view of horizontal seamless steel pipe and pipe stiffener plate；
Fig. 4 is the positive structure schematic of the utility model；
Fig. 5 is the cross section structure schematic diagram of the utility model.
In figure, steel box arch rib 1, lifting device 2, horizontal restraint rope 3, lifting device cushion cap 4, pedestal steel case 5, pedestal transverse direction
Stiffened steel plates 6, horizontal seamless steel pipe 7, pedestal longitudinal direction stiffened steel plates 8, pipe stiffener plate 9, steel pipe reinforce box beam 10, reinforce box beam
Vertical stiffener 11, anchor plate 12, pedestal aperture vertical stiffener 13.
Specific embodiment
Below with reference to specific embodiment, the utility model is described in further detail, but the protection scope of the utility model is not
It is limited to following embodiment.
A kind of introversion formula steel case arch rib entirety winding level restraint device is when steel box arch rib 1 is promoted to promotion
Device 2 carries out the tensioning of horizontal direction, collet of the lifting device 2 as steel box arch rib 1, and lifting device 2 is spelled in steel box arch rib 1
It is located in when dress on lifting device cushion cap 4.As shown in Figure 1, introversion formula steel case arch rib entirety winding level restraint device
Including horizontal restraint rope 3 and relatively main bridge median plane is symmetrically arranged for promoting the pedestal steel case 5 of steel box arch rib 1, pedestal steel
Case 5 is the substructure of lifting device 2, and certain 2 top of lifting device is additionally provided with to match with 1 bottom plate of steel box arch rib and web
Introversion steel case, for carrying steel box arch rib 1.As shown in connection with fig. 2, pedestal steel case 5 surrounds cuboid by chassis outer side steel plate,
Pedestal steel case 5 is along the also spaced and parallel horizontal seamless steel pipe 7 for being equipped with two or more in arch direction, horizontal seamless steel pipe 7
It is elongated to pass through chassis outer side steel plate；The pedestal lateral stiffening steel plate 6 connected in right-angled intersection is arranged at intervals on the inside of pedestal steel case 5
With pedestal longitudinal direction stiffened steel plates 8,8 liang of outer ends of pedestal lateral stiffening steel plate 6 and pedestal longitudinal direction stiffened steel plates respectively with chassis outer side
Steel plate inner wall firm welding, increases whole stiffness and strength, and in construction, pedestal lateral stiffening steel plate 6 longitudinally adds in pedestal
The intersection of strength steel plate 8 sections；It is equipped with circular hole in pedestal lateral stiffening steel plate 6, horizontal seamless steel pipe 7 is inserted into matching；
Horizontal restraint rope 3 is the prestress wire group being laterally arranged, and every horizontal seamless steel pipe 7 and its level being arranged oppositely are seamless
Steel pipe 7 forms one group to drawing horizontal seamless steel pipe, every group to thering is one group of prestress wire to pass through in the horizontal seamless steel pipe of drawing, in advance
The outside of pedestal steel case 5 is arranged in prestress steel strand one end, and the outside of opposite pedestal steel case 5 is arranged in the other end；Here institute
The outside of the pedestal steel case 5 of finger is for another pedestal steel case 5, is to be arranged far from another pedestal steel case 5
Outside；By the tensioning in the horizontal direction to two outside of pedestal steel case, can balance out when promoting steel box arch rib due to steel case
Arch rib self weight 1 and the power that is deformed, to be deformed with reducing steel box arch rib 1 in whole winding level.
For the intensity for guaranteeing horizontal seamless steel pipe 7, relative level is distinguished in the left and right of horizontal seamless steel pipe 7 and upper and lower two sides
The vertical median plane of seamless steel pipe 7 and transverse center face are symmetrically connected with pipe stiffener plate 9, and the mode of connection is using welding, i.e.,
In the criss-cross reinforcement structure of formation up and down of horizontal seamless steel pipe 7.The height of pipe stiffener plate 9 is designed as horizontal seamless
The 1/2 ~ 1/3 of 7 caliber of steel pipe.In the present embodiment, being provided with 11 diameters is 300mm horizontal direction seamless steel pipe 7, and pipe stiffener
The height of plate 9 is 100mm.
It does not deform for the horizontal seamless steel pipe 7 of guarantee in tensioning, pedestal is stretched out in horizontal 7 one or both ends of seamless steel pipe
Outside plate, the upper surface of extension of horizontal 7 one or both ends of seamless steel pipe reinforce case with a steel pipe is connected with separately below
Beam 10；It is cuboid that steel pipe, which reinforces box beam 10, and the steel pipe on top reinforces 10 bottom of box beam and is close to horizontal 7 top of seamless steel pipe
Internal diameter sideline, the upper topside that the steel pipe of lower part reinforces box beam 10 is close to the internal diameter sideline of horizontal 7 lower part of seamless steel pipe, will be horizontal
The upper surface of seamless steel pipe 8 and it is connected as an entirety separately below, thus the globality and resistance of seamless steel pipe 8 of improving the standard
Shape intensity.
To protect straining device jack when to drawing, steel pipe is reinforced being connected with anchor plate 12, and every on the outside of box beam 10
The port of horizontal seamless steel pipe 7 is arranged in anchor plate 12 correspondingly respectively.Anchor plate 12 is reserved with circular hole, Circularhole diameter
Equal to the outer diameter of horizontal seamless steel pipe 7, horizontal seamless steel pipe 7 is inserted into circular hole.In the present embodiment, anchor plate 12 is with one piece of side
Shape steel plate is made or two pieces of square plates weld together and are made, and the side length of the anchor plate 12 of use is greater than straining device
Width.Generally meet the needs of protection straining device, steel pipe reinforces box beam 10 and anchor plate 12 is all to be arranged far from opposite direction
The outside of pedestal steel case.
It, can also be as needed between steel pipe reinforces 10 inside of box beam preferably to guarantee that steel pipe reinforces the intensity of box beam 10
Every the reinforcement box beam vertical stiffener 11 for being provided with two pieces or more, steel pipe is reinforced also being arranged at intervals with two pieces or more between box beam 10
Pedestal aperture vertical stiffener 13, reinforce box beam vertical stiffener 11 and pedestal aperture vertical stiffener 13 in the vertical direction
It is set on same straight line.Reinforce box beam vertical stiffener 11 and steel pipe reinforces box beam 10, pedestal aperture vertical stiffener 13
The mode for being all made of welding with steel pipe reinforcement box beam 10 is attached.
For the harmony for guaranteeing tensioning, horizontal seamless steel pipe 7 is generally equidistant interval setting.
For the effect for guaranteeing tensioning, in the present embodiment, the cross of pedestal steel case 5 is arranged in the central axes of horizontal seamless steel pipe 7
To below median plane.
Claims (8)
1. a kind of introversion formula steel case arch rib entirety winding level restraint device, including horizontal restraint rope and relatively main bridge center
Face is symmetrically arranged for promoting the pedestal steel case of steel box arch rib, it is characterised in that：The pedestal steel case is by chassis outer side steel plate
Cuboid is surrounded, the pedestal steel case is along the also spaced and parallel horizontal seamless steel pipe for being equipped with two or more in arch direction；
The pedestal lateral stiffening steel plate and pedestal longitudinal direction stiffened steel plates connected in right-angled intersection is arranged at intervals on the inside of pedestal steel case；The bottom of at
It is equipped with circular hole in seat lateral stiffening steel plate, horizontal seamless steel pipe is inserted into matching；The horizontal restraint rope is laterally arranged
Prestress wire group, every horizontal seamless steel pipe and its group of horizontal seamless steel pipe being arranged oppositely formation are seamless to drawing level
Steel pipe, every group to thering is one group of prestress wire to pass through in the horizontal seamless steel pipe of drawing, prestress wire one end is arranged in pedestal
The outside of opposite pedestal steel case is arranged in the outside of steel case, the other end.
2. introversion formula steel case arch rib entirety winding level restraint device according to claim 1, it is characterised in that：
In the vertical median plane and transverse direction of the left and right of the horizontal seamless steel pipe and upper and lower two sides difference relative level seamless steel pipe
Heart face is symmetrically connected with pipe stiffener plate.
3. introversion formula steel case arch rib entirety winding level restraint device according to claim 1, it is characterised in that：
The height of the pipe stiffener plate is the 1/2 ~ 1/3 of horizontal seamless steel pipe caliber.
4. introversion formula steel case arch rib entirety winding level restraint device according to claim 1, it is characterised in that：
The horizontal seamless steel pipe one or both ends extend outside the base side steel plate, the chassis outer side steel plate that horizontal seamless steel pipe is pierced by
It is connected with the upper surface of at port and separately below a steel pipe and reinforces box beam.
5. introversion formula steel case arch rib entirety winding level restraint device according to claim 4, it is characterised in that：
The steel pipe is reinforced being connected with anchor plate on the outside of box beam, and the port of every horizontal seamless steel pipe is worn correspondingly respectively
In anchor plate.
6. introversion formula steel case arch rib entirety winding level restraint device according to claim 4, it is characterised in that：
The steel pipe reinforces being arranged at intervals with two pieces or more of reinforcement box beam vertical stiffener inside box beam, and the steel pipe reinforces case
It is also arranged at intervals with two pieces or more of pedestal aperture vertical stiffener between beam, reinforces box beam vertical stiffener and pedestal aperture is perpendicular
It is set on same straight line in the vertical direction to stiffener.
7. introversion formula steel case arch rib entirety winding level restraint device according to claim 1, it is characterised in that：
The horizontal seamless steel pipe is equidistant interval setting.
8. introversion formula steel case arch rib entirety winding level restraint device according to claim 1 or claim 7, feature exist
In：
The transverse center face of pedestal steel case or less is arranged in the central axes of the horizontal seamless steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820334208.0U CN208150771U (en) | 2018-03-12 | 2018-03-12 | A kind of introversion formula steel case arch rib entirety winding level restraint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820334208.0U CN208150771U (en) | 2018-03-12 | 2018-03-12 | A kind of introversion formula steel case arch rib entirety winding level restraint device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208150771U true CN208150771U (en) | 2018-11-27 |
Family
ID=64391502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820334208.0U Expired - Fee Related CN208150771U (en) | 2018-03-12 | 2018-03-12 | A kind of introversion formula steel case arch rib entirety winding level restraint device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208150771U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110777667A (en) * | 2019-11-14 | 2020-02-11 | 中铁八局集团有限公司 | Hoisting method for preventing deformation of steel pipe arch |
| CN111636306A (en) * | 2020-06-03 | 2020-09-08 | 中铁上海工程局集团有限公司 | Construction method for sectional assembly and integral lifting of large-span steel box arch rib |
| CN112647417A (en) * | 2020-11-30 | 2021-04-13 | 武汉市市政建设集团有限公司 | Large-area thin-shell bridge decorative arch lifting system and lifting method |
-
2018
- 2018-03-12 CN CN201820334208.0U patent/CN208150771U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110777667A (en) * | 2019-11-14 | 2020-02-11 | 中铁八局集团有限公司 | Hoisting method for preventing deformation of steel pipe arch |
| CN111636306A (en) * | 2020-06-03 | 2020-09-08 | 中铁上海工程局集团有限公司 | Construction method for sectional assembly and integral lifting of large-span steel box arch rib |
| CN111636306B (en) * | 2020-06-03 | 2022-06-03 | 中铁上海工程局集团有限公司 | Construction method for sectional assembly and integral lifting of large-span steel box arch rib |
| CN112647417A (en) * | 2020-11-30 | 2021-04-13 | 武汉市市政建设集团有限公司 | Large-area thin-shell bridge decorative arch lifting system and lifting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181127 Termination date: 20200312 |