CN212612003U - Hoisting accessory for corrugated steel web PC combined box girder bridge hanging basket - Google Patents
Hoisting accessory for corrugated steel web PC combined box girder bridge hanging basket Download PDFInfo
- Publication number
- CN212612003U CN212612003U CN202020870949.8U CN202020870949U CN212612003U CN 212612003 U CN212612003 U CN 212612003U CN 202020870949 U CN202020870949 U CN 202020870949U CN 212612003 U CN212612003 U CN 212612003U
- Authority
- CN
- China
- Prior art keywords
- horizontal moving
- hanging
- hanging basket
- steel web
- cross beam
- 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.)
- Active
Links
Images
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model discloses a hoisting device for a corrugated steel web PC combined box girder bridge hanging basket, which comprises a hanging basket mechanism, wherein the hanging basket mechanism comprises two main purlin diamond-shaped frames, a front upper beam, a hanging mechanism, a horizontal moving track which is fixedly connected with the lower surface of the front upper beam and is arranged along the bridge direction, a moving body which is matched with the horizontal moving track and moves along the length direction of the horizontal moving track, and a hoisting mechanism which is connected with the moving body and is used for hoisting building materials, wherein the front end of the horizontal moving track is arranged at the front end of the front upper beam, the utility model utilizes the arrangement of the upper front beam and the bearing frame of the existing hanging basket mechanism, avoids the middle-rotating type hoisting with lower efficiency in the hanging basket mechanism, the arrangement of the horizontal moving mechanism leads the hanging basket mechanism to be flexible, can realize horizontal moving and vertical hoisting, does not depend on a tower crane any more, and has large operation surface, effectively shortening the construction period.
Description
Technical Field
The utility model relates to a bridge construction technical field, concretely relates to wave form steel web PC combination box girder bridge hoisting accessory for hanging basket.
Background
The corrugated steel web PC combined box girder bridge is a combined structure formed by a prestressed concrete top plate, a corrugated steel web and a concrete bottom plate, has a series of advantages of self weight reduction, good earthquake resistance, simple and convenient construction, good economy and the like, and along with the development of theory and practical application, the number of the corrugated steel web prestressed concrete box girder bridges built in China is increased year by year.
The corrugated steel web PC combined box girder bridge can adopt various construction methods similar to common concrete bridges, such as support cast-in-place construction, movable formwork hole-by-hole cast-in-place construction, prefabricated installation, cantilever pouring, pushing construction and the like. For places with great span and difficulty in erecting the supports under the corrugated steel web PC combined box girder bridge or the bridge, the cantilever construction method is usually adopted for construction.
The hanging basket for the cantilever casting of the corrugated steel web PC combined box girder bridge is similar to that of a common prestressed concrete bridge, and the difference is that the hanging basket for the corrugated steel web PC combined box girder bridge not only needs to meet the function of conventional concrete box girder suspension casting, but also needs to meet the functions of corrugated steel web hoisting, cantilever installation and positioning. If hang basket mechanism, should hang the basket and need fall a hoisting point in the installation link of wave form steel web, troublesome poeration, nevertheless hang the basket and use steel volume, dead weight less relatively. The traditional hanging basket needs to finish the procedures of hoisting the corrugated steel web plate from the ground to the pier top, installing the corrugated steel web plate and the like by means of a tower crane in the construction process, and the hoisting range and the hoisting capacity of the tower crane are often in contradiction with economic benefits and construction efficiency in the process of type selection of the tower crane. In the construction process, the condition of lifting equipment such as workers often seriously affects the progress of the project, and meanwhile, the construction cost is indirectly increased.
Therefore, the construction hanging basket capable of partially lifting and releasing the lifting working time of the tower crane and being economical and convenient has great practical significance, and is a problem to be solved urgently.
Disclosure of Invention
The utility model aims at the not enough of above-mentioned prior art, the utility model aims at providing a have stronger stability, can solve among the current construction tower crane lifting capacity not enough, lift by crane the not enough hoisting apparatus for corrugated steel web PC combination box girder bridge string basket of scope.
The purpose of the utility model is realized like this:
the utility model provides a wave form steel web PC combination box girder bridge hangs hoisting accessory for basket, is including hanging basket mechanism, it includes two main purlin rhombuses, the preceding entablature of being connected with two main purlin rhombuses, make main purlin rhombus and preceding entablature respectively with the mechanism of hanging that guide beam and bottom plate are connected, still include with the lower fixed surface of preceding entablature be connected and along the horizontal migration track of bridge direction setting, with the horizontal migration track cooperate and along the orbital length direction's of horizontal migration removal the moving body, with the moving body be connected and be used for hoisting by crane building material's hoisting accessory, the orbital front end of horizontal migration is located the front end of preceding entablature.
The tail part of the horizontal moving track is fixedly connected with the main truss diamond frame through a vertical connecting piece, and the top part of the horizontal moving track is fixedly connected with the main truss diamond frame through a bearing frame.
The bearing frame comprises support columns which are located in the vertical direction and fixedly connected with the horizontal moving track, inclined support rods connected with the tops of the support columns and connecting rods connected with the support columns, and the bottoms of the inclined support rods are fixedly connected with the upper surface of the horizontal moving track.
The hanging mechanism comprises a bottom plate front hanging strip, a bottom plate rear hanging strip, a wing plate front hanging strip, a wing plate rear hanging strip and an inner hanging strip.
The bottom plate is provided with a bottom front cross beam and a bottom rear cross beam for bearing, the bottom front cross beam is fixed with the front upper cross beam through a bottom plate front sling, the bottom rear cross beam is fixed with poured concrete through a bottom plate rear sling, and the front end of the box chamber inner template is fixed on the front upper cross beam through an inner sling.
Has the positive and beneficial effects that: the utility model discloses utilize the setting of the last front beam and the bearing frame of current string basket mechanism, avoided in the string basket mechanism efficiency lower transfer formula to lift by crane, do not change the original structure of current string basket mechanism, the setting of horizontal migration mechanism, make the flexible of string basket mechanism change, can realize horizontal migration and vertical hoist and mount, no longer rely on the tower crane, the working face is big, the situation that the building site workman walks along with the tower crane is solved, can independently accomplish hoist and mount and the installation procedure of wave form steel web, the installation rate of wave form steel web has been accelerated, construction efficiency is greatly improved, construction cycle has been shortened effectively; the lifting system added on the cradle is also suitable for the construction process of steel structures and reinforced concrete composite structures, and plays an important role in reducing labor intensity, saving manpower, reducing construction cost, improving construction quality, accelerating construction speed and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along the line A-A and a cross-sectional view taken along the line B-B;
FIG. 3 is a schematic structural diagram of a horizontal movement mechanism in the direction C;
FIG. 4 is a cross-sectional view taken along the direction D-D;
FIG. 5 is a cross-sectional view taken along the direction E-E;
in the figure, the following steps are carried out: the device comprises a hanging basket mechanism 1, a bottom plate 2, an outer guide beam 3, a main truss diamond-shaped frame 4, a front upper cross beam 5, a horizontal moving track 6, a moving body 7, a hoisting mechanism 8, a bearing frame 9, a bottom front cross beam 10, a bottom rear cross beam 11, a vertical connecting piece 12, a supporting column 13, an inclined supporting rod 14, a connecting rod 15, a bottom plate front hanging strip 16, a bottom plate rear hanging strip 17, a wing plate front hanging strip 18, a wing plate rear hanging strip 19 and an inner hanging strip 20.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to 5, the hoisting device for the corrugated steel web PC combined box girder bridge hanging basket comprises a hanging basket mechanism 1, wherein the hanging basket mechanism 1 comprises two main truss diamond-shaped frames 4, a front upper cross beam 5 connected with the two main truss diamond-shaped frames 4, and a hanging mechanism which enables the main truss diamond-shaped frames 4 and the front upper cross beam 5 to be respectively connected with a guide beam 3 and a bottom plate 2, the main truss diamond-shaped frames 4 and the front upper cross beam 5 are fixedly connected into a whole through flanges and bolts, the firmness is good, the main truss diamond-shaped frames 4 are anchored through rear anchors pre-embedded on a No. 0#1# section concrete top plate in advance, and the rear anchors adopt phi 32 finish rolling threaded steel bars. The embedded concrete part is connected with the top plate steel bar through a steel gasket and a bolt to form a whole body to increase the anchoring force, the embedded concrete part also comprises two horizontal moving rails 6 which are fixedly connected with the lower surface of the front upper cross beam 5 and are arranged along the direction of a bridge, a moving body 7 which is matched with the horizontal moving rails 6 and moves along the length direction of the horizontal moving rails 6, and a hoisting mechanism 8 which is connected with the moving body 7 and is used for hoisting building materials, wherein the two horizontal moving rails 6 are arranged, the two horizontal moving rails 6 are arranged in parallel, the front end of each horizontal moving rail 6 is arranged at the front end of the front upper cross beam 5, the tail part of each horizontal moving rail 6 is fixedly connected with the main diamond-shaped frame 4 through a vertical connecting piece 12, the top part of each horizontal moving rail 6 is fixedly connected with the main diamond-shaped frame 4 through a bearing frame 9, the horizontal moving rails 6 are arranged in the horizontal direction, and the horizontal moving rails, arranged inside the left and right main truss rhombs 4 and below the front upper cross beam 5. Horizontal migration track 6 is perpendicular with preceding entablature 5 to be arranged, and the front end of translation movable track 6 is in the same place through welding and preceding entablature 5 welding, and vertical connecting piece 12 and two main purlin diamond frame 4 welded fastening are passed through to the rear end of horizontal migration track 6, and the front end of translation movable track 6 is encorbelmented, and the length of encorbelmenting of horizontal migration track 6 is considered according to the longest segment length of the girder of encorbelmenting, and vertical connecting piece 12 can adopt small-size shaped steel such as 10# channel-section steel to make simple and easy bailey form.
The bearing frame 9 comprises support columns 13 which are located in the vertical direction and fixedly connected with the horizontal moving track 6, inclined support rods 14 connected with the tops of the support columns 13 and connecting rods 15 connected between the support columns 13, the bottoms of the inclined support rods 14 are fixedly connected with the upper surface of the horizontal moving track 6, two support columns 13 and two inclined support rods 14 are arranged on one horizontal moving track 6, the two inclined support rods 14 are respectively fixed with the tops of the two support columns 13, the bottoms of the two inclined support rods 14 are fixedly welded with the upper surface of the horizontal moving track 6, the bearing frame 9 is of a trapezoidal structure when viewed from the side, and the bearing frame 9 mainly bears loads transmitted by overhanging parts of the horizontal moving track 6. The upper cross front beam 3 is connected with the top of the horizontal moving track 6 by welding. The left side and the right side of the bearing frame 9 are stabilized by a Bailey form made of section steel. The bearing frame 9 is connected by a welded structure.
The moving body 7 and the lifting mechanism 8 are customized according to the required lifting capacity and the movement condition by adopting a customized product, the customized product and the lifting mechanism can be connected into a whole by using machinery, the moving body 7 is provided with a power-off brake device, the horizontal moving track 6 is downward in opening, the moving body 7 is positioned on the lower surface of the horizontal moving track 6 and moves along the length direction of the horizontal moving track 6, the lifting mechanism 8 can be an electric hoist, and the moving body 7 can be a traveling motor.
The hanging mechanism comprises a bottom plate front hanging strip 16, a bottom plate rear hanging strip 17, a wing plate front hanging strip 18, a wing plate rear hanging strip 19 and an inner hanging strip 20. The bottom plate 2 is provided with a bottom front cross beam 10 and a bottom rear cross beam 11 for bearing, the bottom front cross beam 10 is fixed with the front upper cross beam 5 through a bottom plate front hanging strip 16, the bottom rear cross beam 11 is fixed with poured concrete through a bottom plate rear hanging strip 17, the front end of the box chamber inner formwork is fixed on the front upper cross beam 5 through an inner hanging strip 20, a hanging system hanging strip can adopt finish rolling threads and can also adopt a steel plate as a bearing material, but stress calculation is needed before use, the bottom rear cross beam 11 and the bottom front cross beam 10 are used as a bearing structure of the bottom plate 2 and are fixed on the front upper cross beam 5 through the bottom plate front hanging strip 16, and the bottom rear hanging strip 17 is fixed on the poured concrete. A floor rear strap 17 is anchored to the flange plate and to the floor 2. In the pouring process, pore channels are pre-buried in advance on the flange plates and the bottom plate 2 through calculation so that hanging strips 17 can pass through, the front end of a box chamber inner template is fixed on the front upper cross beam 5 through the inner hanging strips 20, the rear end of the box chamber inner template is fixed on a poured upper section concrete top plate, the anchoring method is the same as that of the bottom plate rear hanging strips 17, the front end of the flange plate template is anchored with the front upper cross beam 5 through the flange plate front hanging strips 18, and the rear end of the flange plate template is anchored on a flange plate of the previous section through the flange plate rear hanging strips 19 by using a method of pre-burying holes of the.
The concrete construction sequence of the corrugated steel web PC combined box girder bridge is as follows: 1. installing a No. 1 segment steel web → 2 by using a tower crane, constructing a No. 1 segment of a pier top 0 segment → 3 by using the tower crane, installing a No. 2 segment steel web → 4 by using the tower crane, constructing No. 2 segment concrete → 5, installing a basket hanging mechanism 1, a horizontal moving track 6, a moving body 7 and a hoisting mechanism 8 → 6 by using the horizontal moving track 6, the moving body 7 and the hoisting mechanism 8, installing a No. 3 segment steel web → 7 by using the basket hanging mechanism 1, and constructing a No. 3 segment → repeating the No. 6 and the No. 7 steps until the folding; the method comprises the following specific steps: 1. installing a No. 1 segment steel web by using a tower crane: transporting the 1# section steel web to the side of a tower crane through a transport vehicle, and installing the 1# steel web in place through the tower crane; 2. constructing a pier top 0# block and a pier top 1# block: constructing steel bars and other embedded parts on the platform after the steel web plates are installed, constructing concrete, and completing tensioning after the strength of the concrete is increased; 3. installing 2# section steel web: transporting the 2# section steel web to the side of a tower crane through a transport vehicle, hoisting the 2# section steel web in place, completing installation, and connecting the 2# section steel web with the 1# section steel web; 4. construction of 2# section concrete: and (4) performing concrete pouring after finishing the work of reinforcing steel bars, prestressed ribs, pore channels, embedded parts of the hanging basket rear anchors and the like. Then maintaining and tensioning; 5. installing a hanging basket mechanism 1, a horizontal moving track 6, a moving body 7 and a hoisting mechanism 8: the installation of the basket hanging mechanism 1, the horizontal moving track 6, the moving body 7 and the hoisting mechanism 8 is completed through a tower crane; 6. installing a No. 3 steel web plate by utilizing the horizontal moving track 6, the moving body 7 and the hoisting mechanism 8: transporting the steel web plate to the lower part of the section to be installed through a transport vehicle, and installing and positioning through a hoisting mechanism 8; 7. constructing 3# segment by using a hanging basket mechanism: using the hanging basket as a construction platform to carry out subsequent segment construction; and (5) repeating the method of the steps 6-7 to complete the installation of the subsequent steel web plate until the whole construction is completed.
The utility model discloses utilize the setting of the last front beam and the bearing frame of current string basket mechanism, avoided in the string basket mechanism efficiency lower transfer formula to lift by crane, do not change the original structure of current string basket mechanism, the setting of horizontal migration mechanism, make the flexible of string basket mechanism change, can realize horizontal migration and vertical hoist and mount, no longer rely on the tower crane, the working face is big, the situation that the building site workman walks along with the tower crane is solved, can independently accomplish hoist and mount and the installation procedure of wave form steel web, the installation rate of wave form steel web has been accelerated, construction efficiency is greatly improved, construction cycle has been shortened effectively; the lifting system added on the cradle is also suitable for the construction process of steel structures and reinforced concrete composite structures, and plays an important role in reducing labor intensity, saving manpower, reducing construction cost, improving construction quality, accelerating construction speed and the like.
Claims (5)
1. The utility model provides a wave form steel web PC combination box girder bridge hangs hoisting accessory for basket, constructs including hanging basket mechanism, hang basket mechanism include two main purlin rhombus framves, with two preceding entablature that main purlin rhombus framves are connected, make main purlin rhombus framves and preceding entablature respectively with the mechanism of hanging that guide beam and bottom plate are connected, its characterized in that: the lifting mechanism is connected with the moving body and used for lifting building materials, and the front end of the horizontal moving track is located at the front end of the front upper cross beam.
2. The hoisting device for the corrugated steel web PC combined box girder bridge hanging basket of claim 1, wherein: the tail part of the horizontal moving track is fixedly connected with the main truss diamond frame through a vertical connecting piece, and the top part of the horizontal moving track is fixedly connected with the main truss diamond frame through a bearing frame.
3. The hoisting device for the corrugated steel web PC combined box girder bridge hanging basket of claim 2, wherein: the bearing frame comprises support columns which are located in the vertical direction and fixedly connected with the horizontal moving track, inclined support rods connected with the tops of the support columns and connecting rods connected with the support columns, and the bottoms of the inclined support rods are fixedly connected with the upper surface of the horizontal moving track.
4. The hoisting device for the corrugated steel web PC combined box girder bridge hanging basket of claim 1, wherein: the hanging mechanism comprises a bottom plate front hanging strip, a bottom plate rear hanging strip, a wing plate front hanging strip, a wing plate rear hanging strip and an inner hanging strip.
5. The hoisting device for the corrugated steel web PC combined box girder bridge hanging basket of claim 4, wherein: the bottom plate is provided with a bottom front cross beam and a bottom rear cross beam for bearing, the bottom front cross beam is fixed with the front upper cross beam through a bottom plate front sling, the bottom rear cross beam is fixed with poured concrete through a bottom plate rear sling, and the front end of the box chamber inner template is fixed on the front upper cross beam through an inner sling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020870949.8U CN212612003U (en) | 2020-05-22 | 2020-05-22 | Hoisting accessory for corrugated steel web PC combined box girder bridge hanging basket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020870949.8U CN212612003U (en) | 2020-05-22 | 2020-05-22 | Hoisting accessory for corrugated steel web PC combined box girder bridge hanging basket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212612003U true CN212612003U (en) | 2021-02-26 |
Family
ID=74751764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020870949.8U Active CN212612003U (en) | 2020-05-22 | 2020-05-22 | Hoisting accessory for corrugated steel web PC combined box girder bridge hanging basket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212612003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005909A (en) * | 2021-03-02 | 2021-06-22 | 浙江交工集团股份有限公司 | Construction method for modifying hoisting positioning device by corrugated steel web asynchronous cradle |
-
2020
- 2020-05-22 CN CN202020870949.8U patent/CN212612003U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005909A (en) * | 2021-03-02 | 2021-06-22 | 浙江交工集团股份有限公司 | Construction method for modifying hoisting positioning device by corrugated steel web asynchronous cradle |
| CN113005909B (en) * | 2021-03-02 | 2022-05-03 | 浙江交工集团股份有限公司 | Construction method for modifying hoisting positioning device by corrugated steel web asynchronous cradle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105625195B (en) | Wave forms steel web SCC engineering methods movable hanging basket and its construction method | |
| CN100545363C (en) | Structure conversion layer type steel concrete girder mould suspension construction method | |
| CN201003145Y (en) | Upward and self-walking type mobile die carrier | |
| CN109403374A (en) | Factorial construction method for open trench tunnel integral tunnel lining | |
| CN109267491B (en) | A mobile formwork and its construction method | |
| CN109267490B (en) | A kind of long guide beam type mobile formwork and construction method thereof | |
| CN109024291A (en) | A kind of integration Bridge Erector and its working method | |
| CN110424277A (en) | PC beam bridge Wavelike steel webplate hanging apparatus and construction method with low gantry crane | |
| CN110453613A (en) | A kind of cantilever method construction of Large span girder bridge box beam tunneling boring | |
| CN107905114A (en) | A kind of construction method of large span Successive interference cancellation | |
| CN104695335B (en) | Construction method and construction device of integral binding and hoisting of steel bars in upward mobile formwork | |
| CN213358342U (en) | Hanging basket system for synchronous bearing construction of corrugated steel web | |
| CN210766433U (en) | Trapezoidal hanging basket structure | |
| CN112482317A (en) | Door slot second-stage concrete self-climbing slip form pouring system and construction method | |
| CN110468713B (en) | Dual-purpose device used as pier column template and prestressed support and construction method thereof | |
| CN108824199B (en) | Arch bridge construction method of underneath type hanging basket | |
| CN212714544U (en) | Rhombus is hung basket and is retreated and demolishd horizontal extension reinforcement construction structure | |
| CN117144811A (en) | Translation frame system of cast-in-situ box girder and construction method thereof | |
| CN212612003U (en) | Hoisting accessory for corrugated steel web PC combined box girder bridge hanging basket | |
| CN110983987B (en) | Construction method of steel-concrete combined beam | |
| CN217810527U (en) | Asynchronous hanging basket hoisting system with corrugated steel web self-bearing function | |
| CN115125856A (en) | Multifunctional bridge fabrication machine | |
| CN222990595U (en) | Multifunctional portal for suspension bridge construction | |
| CN116219905B (en) | Multifunctional hanging integrated machine and construction method thereof | |
| CN112030777B (en) | A down-type mobile formwork support bracket spanning transfer construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |