CN218880595U - Integral type steel construction hangs basket suitable for cast-in-place bridge construction that mixes - Google Patents
Integral type steel construction hangs basket suitable for cast-in-place bridge construction that mixes Download PDFInfo
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- CN218880595U CN218880595U CN202223005005.2U CN202223005005U CN218880595U CN 218880595 U CN218880595 U CN 218880595U CN 202223005005 U CN202223005005 U CN 202223005005U CN 218880595 U CN218880595 U CN 218880595U
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Abstract
The utility model relates to an integral type steel construction cradle suitable for construction of cast-in-place bridge that mixes, including cradle platform and removal track, the middle part of cradle platform is equipped with two stands, distance between two stands is greater than the width of bridge, link together through the transverse connection frame between two stands, the link, cradle platform and two stands enclose out the door opening that supplies the bridge to pass through, the rear end of cradle platform is equipped with down the centre gripping wheel, the link is equipped with the centre gripping wheel, it has two rows that the distribution direction along two stands to go up at least one in the centre gripping wheel or the centre gripping wheel two down, it equals with the row number of last centre gripping wheel to remove orbital quantity, the centre gripping wheel is located the rear of the tie point of centre gripping wheel with the bridge down with the tie point of bridge. The utility model has the advantages of collect suspended structure and hang the basket structure, solve above-mentioned two kinds of integral type steel construction that are applicable to cast-in-place bridge construction of mixing and hang the basket and switch over the long problem of position consuming time.
Description
Technical Field
The utility model relates to a bridge construction technical field, concretely relates to integral type steel construction string basket suitable for construction of cast-in-place bridge that mixes.
Background
At present, the construction of cast-in-place concrete bridges all adopts a hanging basket mode to provide a safe and reliable construction platform for the working procedures of concrete template building, steel bar binding, concrete pouring, maintenance and the like.
The hanging scheme of the hanging basket according to the structural form of the bridge is generally divided into two types, the first type is a diamond-shaped frame scheme, the schematic diagram of the diamond-shaped frame scheme is shown in figure 4, the front end of a hanging basket platform 1 is fixed to the front end of a diamond-shaped frame 4 on the upper surface of a poured bridge deck 3 through a suspension cable 2, and the rear end of the hanging basket platform is fixed to the bridge deck through a suspension rod 5 penetrating through the poured bridge deck. The structure needs to continuously and alternately replace the fixing devices of the diamond frame and the basket hanging platform in the forward moving process of the basket hanging platform and the diamond frame, and the occupied construction period is longer. The second scheme is that a front hanging point construction hanging basket is generally adopted in suspension bridge construction, the schematic diagram of the front hanging point construction hanging basket is shown in figure 5, the structure is that suspension cables 6 of bridge slab sections to be poured are used as front hanging points of a hanging basket platform in a bridge concrete construction stage, rhombic frames are omitted as traction hanging points, and similarly, the tail end of the hanging basket platform also needs to be fixed on a bridge floor through suspension rods 5 penetrating through poured bridge slabs. After the concrete bridge body pouring construction of the section is finished, the suspension cable of the section is separated from the front hanging point of the cradle platform, the suspension cable of the next section is used for replacing the suspension cable of the next section to continuously provide front hanging point restraint for the cradle platform, and then the separated suspension cable is fixed on the concrete bridge body again. The problem that this kind of form hangs the basket exists is that the span wire both is a part of hanging the basket and is also a part of concrete axle body, and the span wire needs to be changed constantly between hanging the basket and the concrete axle body along with the progress of axle body construction, involves the linking scheduling problem of two different construction processes, and simultaneously in the span wire change process, must set up interim front end strong point for hanging the basket platform and guarantee the stability of hanging the basket after the span wire breaks away from with hanging the basket, and this process has taken longer time limit for a project.
SUMMERY OF THE UTILITY MODEL
The utility model provides a collect suspended structure and hang basket structure integral type steel construction string basket suitable for cast-in-place bridge construction, solve above-mentioned two kinds of integral type steel construction string basket switching position long-consuming problems that are applicable to cast-in-place bridge construction that mix.
The technical problems are solved by the following technical scheme: an integrated steel structure hanging basket suitable for cast-in-place mixed bridge construction comprises a hanging basket platform and is characterized by further comprising a moving track, wherein two stand columns are arranged in the middle of the hanging basket platform, the distance between the two stand columns is larger than the width of a bridge, the two stand columns are connected together through a transverse connecting frame, a door opening for the bridge to pass through is defined by the connecting frame, the hanging basket platform and the two stand columns, a lower clamping wheel is arranged at the rear end of the hanging basket platform, an upper clamping wheel is arranged on the connecting frame, at least one of the upper clamping wheel or the lower clamping wheel is provided with two rows distributed along the distribution direction of the two stand columns, the number of the moving track is equal to that of the upper clamping wheel, the connecting point of the lower clamping wheel and the bridge is located behind the connecting point of the upper clamping wheel and the bridge, and the hanging basket platform, the stand columns and the transverse connecting frame are all made of steel structures; when the bridge plate pouring device is used, the rails are fixed on the upper surface of a poured bridge plate in a manner of extending along the extension direction of a bridge, the upper clamping wheels are supported on the movable rails, the lower clamping wheels are supported on the lower surface of the poured bridge plate, one end, far away from the lower clamping wheels, of the cradle platform extends out of the poured bridge plate to form a platform for pouring a section of bridge plate to be poured, after the section of bridge plate to be poured is poured, the movable rails are laid on the section of bridge plate to be poured and butted with the movable rails on the poured bridge plate, the cradle platform is moved forwards to one end, far away from the lower clamping wheels, of the cradle platform to extend out of the section of bridge plate to be poured to form a platform for pouring the next section of bridge plate to be poured, pouring of the rest bridge plates to be poured is finished by analogy, and the cradle platform moves on the movable rails through the upper clamping wheels during moving. The movement is convenient and consumes less time.
Preferably, the basket hanging platform is located the stand and keeps away from the one end of lower centre gripping wheel and links together through a plurality of front guy cables with the stand, and the basket hanging platform is located the stand and is close to the one end of lower centre gripping wheel and links together through a plurality of back guy cables with the stand. The stress at the joint of the upright post and the hanging basket platform can be reduced.
Preferably, the number of the upper clamping wheels in the same row of the upper clamping wheels is two, and when the two upper clamping wheels in the same row of the upper clamping wheels are supported on the moving track, the angle between the plane where the cradle platform is located and the upper surface of the bridge meets the set requirement. Whether the position of the cradle table meets the requirement can be conveniently known.
Preferably, the lower clamping wheel carrier is connected with the hanging basket platform through a lifting mechanism. When the thickness of the bridge plate changes, the height of a gap between the upper clamping wheel and the lower clamping wheel is set by adjusting the position of the lower clamping wheel to be matched with the thickness of the bridge plate, and the basket hanging platform is not inclined.
The utility model also comprises a control unit, a driving mechanism for driving the lifting mechanism to lift and a force sensor for detecting the pressing force of the upper clamping positioned at the rear part in the same row of upper clamping wheels on the moving track; in the process of moving the cradle platform on the bridge, the lifting mechanism is driven to extend by the lifting mechanism when the force detected by the force sensor is smaller than a set value, and the lifting mechanism is maintained at the current length when the force detected by the force sensor conforms to the set value. The movable basket platform has the advantages that in the moving process, when the thickness of the bridge plate (the thickness of the bridge plate between two piers is gradually thickened from the middle to two ends, and construction is performed from the piers to the center) is gradually thinned, the gap between the upper clamping wheel and the lower clamping wheel is automatically maintained to be matched with the thickness of the bridge plate, so that the levelness of the suspended basket platform is kept unchanged in the moving process, the suspended basket platform is moved to the right position, namely the levelness meets the requirements, and the suspended basket platform can be immediately used as a carrier for bridge construction.
Preferably, the number of the lower clamping wheels in the same row of lower clamping wheels is at least two, the lower clamping wheels in the same row of lower clamping wheels are distributed along the extending direction of the bridge and are connected to the lower clamping wheel frame, the lower clamping wheel frame is hinged with the cradle platform through a hinge shaft, and the hinge shaft extends along the width direction of the bridge. The stress of the lower surface of the bridge plate can be reduced, and the damage is prevented.
Preferably, a stopper located in front of the upper clamping wheel is provided on the moving rail. The movable derailing of the cradle platform in the construction process can be prevented.
The beneficial effects of the utility model are that: the basket platform, the hanging basket suspension structure and the hanging basket traveling mechanism are integrated into a whole, the constraint points of the hanging basket are located on the upper surface and the lower surface of the bridge body, and the load of the hanging basket platform can be transmitted to the concrete bridge body only through the upper wheels and the lower wheels. Holes for hanging the tail part of the hanging basket platform do not need to be reserved on the bridge body, and the complexity of building the concrete template is reduced. The bridge body suspension cable does not need to be used as the front end constraint of the hanging basket, can be arranged on the bridge body at one time, does not need to be repeatedly exchanged between the hanging basket and the bridge body, and has no cross and no mutual interference between all procedures of concrete pouring construction of the bridge body and construction procedures of bridge body suspension cable erection, thereby being beneficial to improving the construction efficiency and the safety. The auxiliary structure with temporary fixing function is not needed to be arranged in the shifting process of the hanging basket, and the hanging basket can move forwards and backwards by means of the hanging basket walking guide rail. The template and the template rack can be fixed on the hanging basket platform and can move along with the hanging basket platform, so that the working time for building the template can be saved, and the construction efficiency is improved. The lower part running gear adopts the technical scheme that the height and the gradient can be adjusted, the lower part running gear can adapt to various gradient changes of the lower surface of the bridge body, the whole hanging basket has good mobility, and meanwhile, the bridge body can be guaranteed to provide reliable restraint for the hanging basket structure.
Drawings
Fig. 1 is a schematic perspective view of the utility model in use;
fig. 2 is a schematic view of the present invention when the bridge is running through along the extending direction of the bridge in use;
FIG. 3 is a schematic view of a connection structure between a lower clamping wheel and a cradle platform;
FIG. 4 is a schematic view of a diamond shaped solution hanging basket;
FIG. 5 is a schematic view of a front hanging point construction hanging basket.
In the figure: the device comprises a cradle platform 1, a suspension cable 2, a poured bridge plate 3, a diamond frame 4, a suspension rod 5, a suspension cable 6 of a bridge plate section to be poured, a cable 7 on the poured bridge plate, a moving track 8, an upright post 9, a transverse connecting frame 10, a door opening 11, a lower clamping wheel 12, a lower clamping wheel frame 13, a hinge shaft 14, a lifting mechanism 15, an upper clamping wheel 16, a front cable 17, a rear cable 18 and an upper clamp 19 positioned behind the upper clamping wheels in the same row.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the integral type steel construction hanging basket suitable for cast-in-place bridge construction that mixes includes hanging basket platform 1 and two movable rails 8, and movable rails has the multistage concatenation to form. The middle part of hanging the basket platform is equipped with two stands 9, and the distance between two stands is greater than the width of bridge, links together through transverse connection frame 10 between two stands, and transverse connection frame, string basket platform and two stands enclose out the door opening 11 that supplies the bridge to pass through, and the rear end of hanging the basket platform is equipped with down centre gripping wheel 12. Two rows of lower clamping wheels are arranged, and the two rows of lower clamping wheels are distributed along the left-right direction (namely the width direction of the bridge). The lower clamping wheels in the same row of lower clamping wheels are distributed along the extending direction of the bridge and connected to a lower clamping wheel carrier 13, the lower clamping wheel carrier is hinged to a lifting mechanism 15 (the lifting mechanism is an oil cylinder) through a hinge shaft 14, and the lifting mechanism and the cradle platform are fixed together, so that the connection of the lower clamping wheels and the cradle platform is realized. The hinge shaft extends in the width direction of the bridge.
The transverse connection frame is provided with two rows of upper clamping wheels 16, and two rows of lower clamping wheels are distributed along the width direction of the bridge, namely along the distribution direction of the two upright posts. The connecting point of the lower clamping wheel and the bridge is positioned behind the connecting point of the upper clamping wheel and the bridge. The number of the upper clamping wheels in the same row of upper clamping wheels is two, and when the two upper clamping wheels in the same row of upper clamping wheels are supported on the moving track, the angle between the plane where the cradle platform is located and the upper surface of the bridge meets the set requirement. The two rows of upper clamping wheels are supported on the two moving rails in a one-to-one correspondence manner. The moving track is provided with a car stopper positioned in front of the upper clamping wheel. The basket hanging platform is located at one end, far away from the lower clamping wheel, of the stand column and is connected with the stand column through a plurality of front pull cables 17, and the basket hanging platform is located at one end, close to the lower clamping wheel, of the stand column and is connected with the stand column through a plurality of rear pull cables 18. The device also comprises a control unit, a driving mechanism for driving the lifting mechanism to lift and a force sensor for detecting the pressing force of the upper clamp 19 positioned at the rear part in the same row of upper clamp wheels on the moving track; in the process of moving the cradle platform on the bridge, the lifting mechanism drives the lifting mechanism to extend when the force detected by the force sensor is smaller than a set value, and the lifting mechanism maintains the current length when the force detected by the force sensor conforms to the set value. The number of the lower clamping wheels in the same row of the lower clamping wheels is at least two. The hanging basket platform, the upright post and the transverse connecting frame are all steel structures, and the inhaul cable is a steel cable.
Through the utility model discloses the process of carrying out the construction does: the movable rail is fixed on the upper surface of a poured bridge plate 3 in a mode of extending along the extending direction of a bridge, the upper clamping wheel is supported on the movable rail, the lower clamping wheel is supported on the lower surface of the poured bridge plate, one end, far away from the lower clamping wheel, of the cradle platform extends out of the poured bridge plate to form a platform for pouring a section of bridge plate to be poured, after the section of bridge plate to be poured is poured, the movable rail is laid on the section of bridge plate to be poured and is in butt joint with the movable rail on the poured bridge plate, the cradle platform is moved forwards to one end, far away from the lower clamping wheel, of the cradle platform extends out of the section of bridge plate to be poured to form a platform for pouring the next section of bridge plate to be poured, the rest bridge plate to be poured is poured by analogy, and the cradle platform is supported on the movable rail through the upper clamping wheel to move when moving.
Claims (7)
1. An integrated steel structure hanging basket suitable for cast-in-place mixed bridge construction comprises a hanging basket platform and is characterized by further comprising a moving track, wherein two stand columns are arranged in the middle of the hanging basket platform, the distance between the two stand columns is larger than the width of a bridge, the two stand columns are connected together through a transverse connecting frame, the hanging basket platform and the two stand columns enclose a door opening through which the bridge passes, a lower clamping wheel is arranged at the rear end of the hanging basket platform, an upper clamping wheel is arranged on the transverse connecting frame, at least one of the upper clamping wheel and the lower clamping wheel is provided with two rows distributed along the distribution direction of the two stand columns, the number of the moving track is equal to that of the upper clamping wheel, and the connecting point of the lower clamping wheel and the bridge is positioned behind the connecting point of the upper clamping wheel and the bridge; the hanging basket platform, the upright post and the transverse connecting frame are all steel structures.
2. The integrated steel structure hanging basket suitable for cast-in-place hybrid bridge construction according to claim 1, wherein the hanging basket platform is located at one end, far away from the lower clamping wheel, of the stand column and is connected with the stand column through a plurality of front pull cables, and the hanging basket platform is located at one end, close to the lower clamping wheel, of the stand column and is connected with the stand column through a plurality of rear pull cables.
3. The integrated steel structure hanging basket suitable for cast-in-place hybrid bridge construction according to claim 1 or 2, wherein the number of the upper clamping wheels in the same row of the upper clamping wheels is two, and when the two upper clamping wheels in the same row of the upper clamping wheels are supported on the moving track, an angle between a plane where a hanging basket platform is located and the upper surface of the bridge meets a set requirement.
4. The integrated steel structure hanging basket suitable for cast-in-place concrete bridge construction according to claim 3, wherein the lower clamping wheel frame is connected with the hanging basket platform through a lifting mechanism.
5. The integrated steel structure hanging basket suitable for cast-in-place concrete bridge construction according to claim 4, further comprising a control unit, a driving mechanism for driving the lifting mechanism to lift, and a force sensor for detecting pressing force of upper clamps positioned at the rear part of the same row of upper clamping wheels on a moving track; in the process of moving the cradle platform on the bridge, the lifting mechanism is driven to extend by the lifting mechanism when the force detected by the force sensor is smaller than a set value, and the lifting mechanism is maintained at the current length when the force detected by the force sensor conforms to the set value.
6. The integrated steel structure hanging basket suitable for cast-in-place hybrid bridge construction according to claim 1 or 2, wherein the number of the lower clamping wheels in the same row of the lower clamping wheels is at least two, the lower clamping wheels in the same row of the lower clamping wheels are distributed along the extending direction of the bridge and connected to a lower clamping wheel frame, the lower clamping wheel frame is hinged with the hanging basket platform through a hinge shaft, and the hinge shaft extends along the width direction of the bridge.
7. The integrated steel structure hanging basket suitable for cast-in-place concrete bridge construction according to claim 1 or 2, wherein a car stopper located in front of the upper clamping wheel is arranged on the moving track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223005005.2U CN218880595U (en) | 2022-11-11 | 2022-11-11 | Integral type steel construction hangs basket suitable for cast-in-place bridge construction that mixes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223005005.2U CN218880595U (en) | 2022-11-11 | 2022-11-11 | Integral type steel construction hangs basket suitable for cast-in-place bridge construction that mixes |
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| Publication Number | Publication Date |
|---|---|
| CN218880595U true CN218880595U (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223005005.2U Active CN218880595U (en) | 2022-11-11 | 2022-11-11 | Integral type steel construction hangs basket suitable for cast-in-place bridge construction that mixes |
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| Country | Link |
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| CN (1) | CN218880595U (en) |
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2022
- 2022-11-11 CN CN202223005005.2U patent/CN218880595U/en active Active
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