CN217679240U - Tower crane foundation for underwater bridge construction - Google Patents
Tower crane foundation for underwater bridge construction Download PDFInfo
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- CN217679240U CN217679240U CN202221260199.8U CN202221260199U CN217679240U CN 217679240 U CN217679240 U CN 217679240U CN 202221260199 U CN202221260199 U CN 202221260199U CN 217679240 U CN217679240 U CN 217679240U
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Abstract
The utility model discloses a tower crane foundation for aquatic bridge construction, including crossbeam, bracket, built-in fitting A, built-in fitting B, built-in fitting C, anchor roof beam, stock and cushion cap, the crossbeam includes distributive girder and anchor roof beam, distributive girder and anchor roof beam are welding integrated structure, built-in fitting A and built-in fitting B are all pre-buried inside the concrete on cushion cap top, built-in fitting C is pre-buried inside the concrete of cushion cap side, the roof beam body that anchor roof beam gomphosis just runs through the anchor roof beam on cushion cap top loading end is fixed with cushion cap locking, the bottom surface welded fastening of built-in fitting A and built-in fitting B and anchor roof beam. This tower crane foundation structure is comparatively simple, and the dismouting is fast, efficient for the construction process of whole tower crane foundation, has shortened construction cycle, when this tower crane foundation was built, need not to adopt more construction assembly simultaneously, the cost is also reduced.
Description
Technical Field
The invention relates to the technical field of bridge construction equipment, in particular to a tower crane foundation for underwater bridge construction.
Background
The tower crane is a hoisting device which is most commonly used in building construction and is also called as a tower crane, is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction, and is indispensable equipment in large-scale engineering.
In the work progress of bridge, the tower crane is also indispensable construction equipment, when the tower crane was built, need provide the installation to it through the tower crane foundation, the tower crane foundation also plays important effect to the support of tower crane simultaneously, common tower crane foundation mainly divide into two kinds at present, one kind is pile formula tower crane foundation, another kind is, platform reinforcing bar formula tower crane foundation, pile formula tower crane foundation, in setting up the in-process, need adopt relevant pile equipment, still need set up the concrete cushion cap, it is great to drop into, uneconomic, and construction cycle is longer, and platform reinforcing bar formula tower crane foundation, still need be with relevant construction components such as template in the construction, it is comparatively complicated to the bearing structure of template, when demolising, need repair the cushion cap, take a lot of work and laboursome. The invention provides a tower crane foundation for underwater bridge construction.
Disclosure of Invention
The invention aims to provide a tower crane foundation for underwater bridge construction, and aims to solve the problems that the piling type tower crane foundation provided by the background technology is large in investment, uneconomical and long in construction period, and the platform steel bar type tower crane foundation is labor-consuming due to the fact that construction components are more in construction, a supporting structure is complex, and a bearing surface needs to be repaired during dismantling.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a tower crane foundation for aquatic bridge construction, includes crossbeam, bracket, built-in fitting A, built-in fitting B, built-in fitting C, anchor beam, stock and cushion cap, the crossbeam includes distributive girder and anchor beam, distributive girder and anchor beam are welding integrated structure, built-in fitting A and built-in fitting B all pre-buried in the concrete inside on cushion cap top, built-in fitting C pre-buried in the concrete inside of cushion cap side, the roof beam gomphosis is fixed with the cushion cap locking through the roof beam body that the stock runs through the anchor beam on cushion cap top loading end, built-in fitting A and built-in fitting B and the bottom surface welded fastening of anchor beam, bracket one end is fixed with the roof beam body locking that distributive girder extends through the connecting piece, and the other end and built-in fitting C welded fastening.
As a preferred embodiment of the present invention, the bracket is made of 700 h-shaped steel and has a double-spliced structure, a connection system is arranged between the frame bodies of the bracket, the connection system is a steel frame, and two ends of the steel frame are respectively welded and fixed to the frame bodies of the bracket.
As a preferred embodiment of the invention, a tower crane connecting seat is welded on a beam body of the extension part of the distribution beam, a tower crane connecting assembly is connected on the tower crane connecting seat, and an included angle between the distribution beam and the bracket is 57.4 degrees.
As a preferred embodiment of the present invention, the anchor rod is composed of a rod body, a locking component and a rod sleeve, the rod sleeve is located on the top surface of the anchoring beam, the rod body is connected with the anchoring beam through the rod sleeve in a penetrating manner, and two ends of the rod body are locked and fixed by the locking component.
The embedded part A, the embedded part B and the embedded part C are all composed of anchor plates and anchor bars, the anchor bars are distributed at the bottoms of the anchor plates and are in embedded welding with the anchor plates, and the end heads of the anchor bars distributed on two sides of the bottoms of the anchor plates are of bent structures.
As a preferred embodiment of the present invention, the horizontal included angle between the bending end of the anchor bar distributed on both sides of the bottom of the anchor plate and the anchor bar is 45 °, the bending length of the bending end of the anchor bar is 125mm, and the bending end of the anchor bar on both sides of the bottom of the anchor plate is in an outward bending structure.
As a preferred embodiment of the present invention, the embedded part a, the embedded part B, and the embedded part C are embedded parts of different structures, and the sizes of the anchor plates and the number of distributed anchor bars among the embedded part a, the embedded part B, and the embedded part C are different from each other.
As a preferred embodiment of the present invention, the bottom surfaces of the anchor plates of the embedded part a, the embedded part B, and the embedded part C are all provided with welding slotted holes, and the anchor bars are embedded in the welding slotted holes and fixed by welding.
Compared with the prior art, the invention has the beneficial effects that:
the structure of this tower crane foundation mainly is built-in fitting and the stock through different positions, make up roof beam body and bracket and be fixed in on the cushion cap, can realize the construction of tower crane foundation, to the tower crane lug connection on the roof beam body can, this tower crane foundation structure is comparatively simple, the dismouting is fast, efficient, the construction process of whole tower crane foundation has been accelerated, construction cycle has been shortened, when this tower crane foundation was built simultaneously, need not to adopt more construction assembly, the cost is also reduced.
Drawings
FIG. 1 is a schematic view of the overall connection structure of a tower crane foundation according to the present invention;
FIG. 2 is a plan view of the whole tower crane arrangement of the present invention;
FIG. 3 is a partial plan view of a tower crane arrangement of the present invention;
FIG. 4 is an overall side view of the present invention;
FIG. 5 is a schematic view of a connection structure of an embedded part and an anchoring beam according to the present invention;
FIG. 6 is a schematic structural view of an embedded part A according to the invention;
FIG. 7 is a schematic structural view of an embedded part B according to the invention;
FIG. 8 is a schematic structural view of an embedded part C according to the present invention;
fig. 9 is a schematic view of the connection structure of the anchor plate and the anchor bar of the present invention.
In the figure: 1-distribution beam, 2-bracket, 3-embedded part A, 4-embedded part B, 5-embedded part C, 6-anchoring beam, 7-connecting system, 8-anchor rod, 9-anchor plate, 10-anchor bar and 11-welding slotted hole.
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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-9, the present invention provides a technical solution:
a tower crane foundation for underwater bridge construction comprises a cross beam, a bracket 2, an embedded part A3, an embedded part B4, an embedded part C5, an anchoring beam 6, an anchor rod 8 and a bearing platform, wherein the cross beam comprises a distribution beam 1 and an anchoring beam 6, the distribution beam 1 and the anchoring beam 6 are of a welding integrated structure, the embedded part A3 and the embedded part B4 are both embedded in concrete at the top end of the bearing platform, the embedded part C5 is embedded in the concrete at the side end of the bearing platform, the anchoring beam 6 is embedded on a bearing surface at the top end of the bearing platform and is locked and fixed with the bearing platform through a beam body penetrating through the anchoring beam 6 by the anchor rod 8, the embedded part A and the embedded part B are welded and fixed with the bottom surface of the anchoring beam 6, one end of the bracket 2 is locked and fixed with the beam body extending from the distribution beam 1 through a connecting piece, and the other end is welded and fixed with the embedded part C5;
further, the bracket 2 is made of 700H-shaped steel and is of a double-spliced structure, a connecting system 7 is arranged between the frame bodies of the bracket 2, the connecting system 7 is a steel frame, and two ends of the steel frame are respectively welded and fixed with the frame bodies of the bracket 2, wherein the specification of the steel frame is 3000mm multiplied by 150mm, the steel frame mainly plays a role in integrally fixing the independent frame bodies at two ends of the bracket 2 of the double-spliced structure, the integral firmness and stability between the brackets 2 are ensured, and meanwhile, the stability of the bracket 2 in supporting the distribution beam 1 is enhanced;
further, as shown in fig. 1, a tower crane connecting seat is welded on a beam body of an extension part of a distribution beam 1, a tower crane connecting assembly is connected on the tower crane connecting seat, an included angle between the distribution beam 1 and a bracket 2 is 57.4 degrees, the tower crane connecting seat can be connected with a tower crane through the tower crane connecting assembly, so that the connection of the tower crane and a tower crane foundation is realized, the distribution beam 1 is 6000mm × 3000mm × 700mm in specification, the whole tower crane connecting seat is a polygonal body and has a structure with a narrow upper part and a wide lower part, the diameter of an inscribed circle on the top surface of the tower crane connecting seat is 600mm, and the diameter of an inscribed circle on the bottom surface of the tower crane connecting seat is 1000mm;
further, the anchor rod 8 is composed of a rod body, a locking assembly and a rod sleeve, the rod sleeve is positioned on the top surface of the anchoring beam 6, the rod body is in through connection with the anchoring beam 6 through the rod sleeve, two ends of the rod body are locked and fixed through the locking assembly, the anchor rod 8 mainly provides locking and fixing for the whole anchoring beam 6, the firmness and stability of the whole connection between the anchoring beam 6 and the bearing platform are guaranteed, and the distribution beam 1 is guaranteed to have a good supporting effect on the tower crane;
further, the embedded part A3, the embedded part B4 and the embedded part C5 are all composed of anchor plates 9 and anchor bars 10, the anchor bars 10 are distributed at the bottoms of the anchor plates 9 and are embedded and welded with the anchor plates 9, the end heads of the anchor bars 10 distributed on two sides of the bottoms of the anchor plates 9 are of a bent structure, the embedded part mainly plays a role in connecting the anchoring beam 6 with a bearing platform, a pre-embedding mode is adopted between the embedded part and the bearing platform, after the anchor bars 10 pour the embedded part in concrete, a plurality of groups of straight body anchor bars 10 are matched with the anchor bars 10 with elbows on two sides of the anchor plates 9, the firmness of connection between the embedded part and the bearing platform can be effectively enhanced, and meanwhile, the connection stability of the embedded part and the anchoring beam 6 is also improved;
it is worth to be noted that the horizontal included angle between the bending end heads of the anchor bars 10 distributed on the two sides of the bottom of the anchor plate 9 and the anchor bars 10 is 45 degrees, the bending length of the bending end heads of the anchor bars 10 is 125mm, and the bending end heads of the anchor bars 10 on the two sides of the bottom of the anchor plate 9 are both in an outward bending structure;
further, the embedded parts A3, B4 and C5 are embedded parts of different structures, the size of the anchor plates 9 between the embedded parts A3, B4 and C5 and the distribution number of the anchor bars 10 are different, the embedded parts A3 and B4 mainly provide a connecting effect on the beam, and the embedded parts C5 provide a connecting effect on the bracket 2, because of different fixing positions, the bracket 2 will provide a supporting effect on the beam and will bear a large downward pressure, so the anchor plates 9 of the embedded parts C5 are larger than the anchor plates 9 of the embedded parts A3 and B4, and the distribution number of the anchor bars 10 of the embedded parts C5 is more than the anchor bars 10 of the embedded parts A3 and B4;
it is worth to be noted that the anchor bars 10 on two sides of the embedded part A3, the embedded part B4 and the embedded part C5 are all of an outer bending structure, the embedded part A3 is provided with two groups, the specification of the anchor plates 9 is 800mm × 700mm × 30mm, the length of the anchor bars 10 is 750mm, the distance between the anchor bars 10 is 120mm, the embedded part B4 is provided with two groups, the specification of the anchor plates 9 is 800mm × 350mm × 30mm, the length of the anchor bars 10 is 750mm, the distance between the anchor bars 10 is 120mm, the embedded part C5 is provided with two groups, the specification of the anchor plates 6 is 1500mm × 700mm × 30mm, the length of the anchor bars 10 is 750mm, and the distance between the anchor bars 10 is 150mm;
further, the bottom surfaces of the anchor plates 9 of the embedded parts A3, B4 and C5 are all provided with welding slotted holes 12, the anchor bars 10 are embedded in the welding slotted holes 12 and are fixed by welding, and an embedded welding structure is adopted between the anchor bars 10 and the anchor plates 9, so that the connection firmness of the anchor bars 10 and the anchor plates 9 is further enhanced;
it is worth to be noted that the number of the welding slots 12 of the embedded part A3 is 42, the number of the welding slots 12 of the embedded part B4 is 21, and the number of the welding slots 12 of the embedded part C5 is 50;
it is comprehensive above-mentioned, this tower crane foundation's overall structure, the main component is the crossbeam, bracket and built-in fitting, when putting up, through with built-in fitting A3, built-in fitting B4 is pre-buried in the concrete at cushion cap top, built-in fitting C5 will be pre-buried in the concrete of cushion cap side, pass through connecting piece or direct welding in built-in fitting A3 with anchor beam 6 of crossbeam, on anchor plate 9 of built-in fitting B4, to connecting seat accessible connecting piece lug fixation in distribution beam 1, the quantity of tower crane connecting seat is decided according to the structure of hanging tower, because bracket 2 is two frame mosaic structure, therefore, before connecting, weld both ends on bracket 2's support with the tower crane, realize the support body integration, after bracket 2 makes up, weld on anchor plate 9 of built-in fitting C5 with bracket 2's one end, the other end can adopt the welding also can be connected with distribution beam 1 extension through the connecting piece, to specific size and installation situation, can select the tower crane foundation of multiunit with the same structure to make up the use.
Comparative example 1
The utility model provides a tower crane foundation for aquatic bridge construction, tower crane foundation structure adopts the steel-pipe pile as supporting, sets up the concrete cushion cap at the pile bolck, and the tower crane passes through the connecting piece direct fixation in the cushion cap, and the steel-pipe pile directly pricks into aquatic through equipment, fixes relevant support body or the pedestal on the loading end of steel-pipe pile, through the concatenation of support body or pedestal, with the help of the watering of concrete, establishes the cushion cap, and the tower crane is direct to be fixed in on the cushion cap through the connecting piece.
Comparative example No. two
A tower crane foundation for underwater bridge construction is characterized in that a bearing platform is built, a supporting platform is built on the bearing platform by taking the bearing platform as a foundation, reinforcing steel bars are installed on the platform for pouring concrete, so that the reinforcing steel bars of the platform are fixedly connected with the bearing platform, the platform concrete is poured while the bearing platform is poured, and the platform and the bearing platform are connected into a whole to be used as a tower crane foundation.
Specific analyses for the examples, comparative example one and comparative example two are as follows:
in the embodiment, during construction, only four fixing areas are set at the top end of the bearing platform, two fixing areas are set at the side ends of the bearing platform, six groups of embedded parts are respectively installed in the fixing areas, the cross beam and the bracket are combined and fixed by pouring concrete and matching with the embedded parts and the anchor rods, and a tower crane is directly installed on a tower crane connecting seat on the cross beam supported by the bracket;
in the first comparative example, steel pipe piles are mainly used as supporting bodies, multiple groups of steel pipe piles are needed in water to maintain stability, if construction is carried out in a deep water area, professional equipment is needed for driving the steel pipe piles, a concrete bearing platform is needed, investment is large, the steel pipe piles are not economical, the construction period is long, and after construction, concrete needs to be broken, the steel pipe piles need to be pulled out and the like;
in the second comparative example, the steel bars need to be connected with the steel bars of the bearing platform, the template needs to be windowed during construction, the extending platform is erected, the erection of the platform template and the support structure is complicated, and after the tower crane is used, the concrete structure needs to be broken, the bearing platform surface needs to be repaired, and labor and time are wasted;
through the analysis, compared with the embodiment, the first comparison example and the second comparison example have the advantages that a complex flow is added, meanwhile, more additional construction components are involved, the construction cost is increased, although the installation of the tower crane can be achieved, due to the fact that more negative factors exist, comprehensive comparison is achieved, and the scheme in the embodiment is the best scheme.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The tower crane foundation for underwater bridge construction comprises a cross beam, a bracket (2), an embedded part A (3), an embedded part B (4), an embedded part C (5), an anchoring beam (6), an anchor rod (8) and a bearing platform, wherein the cross beam comprises a distribution beam (1) and an anchoring beam (6), the distribution beam (1) and the anchoring beam (6) are of a welding integrated structure, the embedded part A (3) and the embedded part B (4) are both pre-embedded in concrete on the top end of the bearing platform, the embedded part C (5) is pre-embedded in concrete on the side end of the bearing platform, the anchoring beam (6) is embedded on the bearing platform top end bearing surface and locked and fixed with the bearing platform through a beam body penetrating through the anchoring beam (6) through the anchor rod (8), the embedded part A (3) and the embedded part B (4) are welded and fixed with the bottom surface of the anchoring beam (6), one end of the bracket (2) is locked and fixed with the embedded part extending from the distribution beam (1) through a connecting piece, and the other end of the embedded part C (5) is welded and fixed with the bearing platform.
2. The tower crane foundation for underwater bridge construction according to claim 1, wherein: bracket (2) adopt 700I-steel to make and be the double-pin structure, be equipped with between the support body of bracket (2) and connect and be (7), it is the steelframe to connect to be (7), the steelframe both ends respectively with the support body welded fastening of bracket (2).
3. The tower crane foundation for underwater bridge construction according to claim 1, wherein: the welding has the tower crane connecting seat on distribution roof beam (1) extension's the roof beam body, be connected with tower crane coupling assembling on the tower crane connecting seat, contained angle between distribution roof beam (1) and bracket (2) is 57.4.
4. The tower crane foundation for underwater bridge construction according to claim 1, wherein: stock (8) comprise the body of rod, locking Assembly and rod cover, the rod cover is located the top surface of anchor roof beam (6), the body of rod passes through the rod cover and passes through locking Assembly locking fixation with anchor roof beam (6) through connection and the both ends of the body of rod.
5. The tower crane foundation for underwater bridge construction according to claim 1, wherein: the embedded part A (3), the embedded part B (4) and the embedded part C (5) are all composed of anchor plates (9) and anchor bars (10), the anchor bars (10) are distributed at the bottoms of the anchor plates (9) and are embedded and welded with the anchor plates (9), and the end heads of the anchor bars (10) distributed on two sides of the bottoms of the anchor plates (9) are of a bending structure.
6. The tower crane foundation for underwater bridge construction according to claim 5, wherein: the horizontal included angle of the crooked end of the anchor bar (10) that anchor slab (9) bottom both sides distribute is 45 with anchor bar (10), the crooked length of the crooked end of anchor bar (10) is 125mm, the crooked end of anchor slab (9) bottom both sides anchor bar (10) all is outer bending structure.
7. The tower crane foundation for underwater bridge construction according to claim 5, wherein: the embedded parts A (3), the embedded parts B (4) and the embedded parts C (5) are embedded parts with different structures, and the size of anchor plates (9) among the embedded parts A (3), the embedded parts B (4) and the embedded parts C (5) is different from the distribution quantity of anchor bars (10).
8. The tower crane foundation for underwater bridge construction according to claim 5, wherein: and welding slotted holes (12) are formed in the bottom surfaces of the anchor plates (9) of the embedded parts A (3), B (4) and C (5), and the anchor bars (10) are embedded in the welding slotted holes (12) and are fixed by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221260199.8U CN217679240U (en) | 2022-05-24 | 2022-05-24 | Tower crane foundation for underwater bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221260199.8U CN217679240U (en) | 2022-05-24 | 2022-05-24 | Tower crane foundation for underwater bridge construction |
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| Publication Number | Publication Date |
|---|---|
| CN217679240U true CN217679240U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221260199.8U Active CN217679240U (en) | 2022-05-24 | 2022-05-24 | Tower crane foundation for underwater bridge construction |
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| CN (1) | CN217679240U (en) |
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2022
- 2022-05-24 CN CN202221260199.8U patent/CN217679240U/en active Active
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