CN113062348A - Concrete foundation structure of tower crane - Google Patents
Concrete foundation structure of tower crane Download PDFInfo
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- CN113062348A CN113062348A CN202110380125.1A CN202110380125A CN113062348A CN 113062348 A CN113062348 A CN 113062348A CN 202110380125 A CN202110380125 A CN 202110380125A CN 113062348 A CN113062348 A CN 113062348A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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Abstract
The invention discloses a concrete foundation structure of a tower crane, which comprises a base structure made of concrete poured in the ground and an adjustable foundation structure which is assembled in the base structure and can be movably disassembled; the adjustable foundation structure can be hoisted and disassembled, so that when the position of the tower crane is changed, the adjustable foundation structure only needs to be hoisted upwards through equipment in the tower crane and transferred to the next installation point, and the operation is simple and convenient; in this device, adopt the adjustable foundation structure of base structure cooperation, the base structure after the construction accomplish directly bury underground can, need not to demolish. The adjustable foundation structure is detachable, so that the adjustable foundation structure can be hoisted to the next construction site after construction is finished; the concrete amount adopted by the base structure is far smaller than that of a concrete foundation in the traditional technology; and the adjustable structure of connecting the tower crane is reusable, so that the use of building consumables is reduced, and the foundation cost of the tower crane is reduced.
Description
Technical Field
The invention relates to a concrete foundation structure of a tower crane.
Background
The tower crane is the most common hoisting equipment on the construction site, also called tower crane, and is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction by the extension (height) of one section and one section (called standard section for short). The tower crane is an indispensable device on a construction site.
The tower crane has heavy weight, and particularly when the tower crane is constructed for high-rise buildings, the weight of the tower crane is accumulated continuously.
Among the prior art, the bottom of tower crane adopts concrete placement to form, and the pouring depth is great, and when pouring, needs pre-buried many pipe fittings of connecting the tower crane stand, after the later stage construction, needs to demolish pipe fitting and basis, and the construction is comparatively troublesome, and the cost is also higher relatively.
Therefore, the concrete foundation structure of the tower crane is designed, wherein the concrete foundation structure can be poured and fixed with the ground, and meanwhile, part of the tower crane can be detached for recycling.
Disclosure of Invention
The invention aims to solve the technical problem of providing a concrete foundation structure of a tower crane, which can realize pouring and fixing between the concrete foundation structure and the ground and can partially disassemble and reuse the concrete foundation structure.
In order to solve the problems, the invention adopts the following technical scheme:
a concrete foundation structure of a tower crane comprises a base structure made of concrete poured in the ground and an adjustable foundation structure which is assembled in the base structure and can be movably disassembled; the adjustable foundation structure can be hoisted and removed, so that when the position of the tower crane is changed, the adjustable foundation structure only needs to be hoisted upwards through equipment, and the adjustable foundation structure is transferred to the next mounting point, and the operation is simple and convenient.
The base structure comprises a base formed by pouring concrete, and an assembly hole is formed in the top of the base in a pouring mode; a steel bar reinforcing structure is poured inside the base: the reinforcing structure of reinforcing bar is in order to increase the structural strength of base, reduces cracked probability.
The adjustable foundation structure can be adjusted adaptively according to the size of the assembled tower crane; the adjustable base structure fits into the mounting hole. The adjustable foundation structure mainly adjusts the adaptability of tower cranes with different sizes, so that the device has wider adaptability.
Preferably, the adjustable foundation structure comprises a steel bottom plate, an inner ring is coaxially arranged at the top of the bottom plate, an outer ring is coaxially arranged at the top of the bottom plate, a plurality of connecting rods are welded between the inner ring and the outer ring, the connecting rods are annularly distributed, at least 2 connecting rods are arranged at the same angle, and at least 2 connecting rods at the same angle are arranged in an up-down parallel manner; an inner frame is matched among the connecting rods under the same angle; the inner frame and the connecting rod are welded and fixed; welding and assembling an annular plate on the outer part of the inner ring, wherein the annular plate is provided with a plurality of cover plates corresponding to the inner frame, two sides of each cover plate are bent downwards vertically to form side plates, the bottom of each side plate is welded with the bottom plate, the outer end face of each cover plate is welded with the outer ring, the inner frame extends upwards to the outer part of the cover plate, and the inner frame and the cover plates are welded and fixed; a sliding support is matched through the connecting rod, and the lower end of the sliding support is supported through the bottom plate; the upper end of the sliding support extends upwards to the outside of the inner frame, and a first mounting hole for mounting a tower crane upright post is formed in the upper end of the sliding support; a screw is screwed in the bottom of the first mounting hole and abuts against the uppermost connecting rod after being screwed in, and at the moment, the position of the sliding support is fixed; the bottom plate is matched in the assembling hole; the top of the bottom plate is welded with a plurality of lifting columns, and the side surfaces of the lifting columns are provided with lifting holes for penetrating steel cables; the upper end of the cover plate is provided with a connecting plate, a first connecting plate is fixedly poured on the top of the base, and a connecting bolt is matched between the connecting plate and the first connecting plate.
Among the above-mentioned technical scheme, the support of sliding can slide along the connecting rod, and the support of sliding supports through bottom plate and connecting rod for the support of sliding can only translate, after sliding to suitable position, fix a position the support of sliding through the screw, then with the stand of tower crane assign in first mounting hole can, then fix the stand of tower crane through the screw, make things convenient for the later stage to dismantle. In the above structure, the bottom plate is assembled in the assembly hole; hoisting is carried out through hoisting equipment, and after the assembly is completed, the bottom plate is prevented from shaking through reinforcing the connecting bolt.
Among the above-mentioned technical scheme, the setting of internal frame can be connected between many connecting rods, increases the bending resistance of connecting rod. And meanwhile, the sliding support is assembled in the inner frame, so that the sliding amplitude of the sliding support is limited in the inner frame.
Preferably, a side bracket is arranged outside the sliding bracket, and a rib plate is arranged between the side bracket and the sliding bracket; a cannula is vertically inserted into the top of the side support, and the lower end of the cannula is positioned outside the side plate; still include the piece and install the plate on the tower crane stand, the plate has the through-hole that passes the tower crane stand, through auxiliary strut is installed to the intubate, the plate still has and passes the first through-hole that auxiliary strut used.
In the traditional technology, the stand column of the tower crane is only fixed once. And adopted above-mentioned technical scheme, the stand of tower crane passes the plate, and with welded fastening between the plate. Then the auxiliary supporting rod and the plate are welded and fixed, and the lower end of the auxiliary supporting rod is inserted into the insertion tube and then fixed through a screw. The structure can increase the matching firmness of the upright post of the tower crane and the sliding support. The wind resistance of the tower crane is reduced.
Preferably, the lower extreme of intubate is installed the guide pulley slide rail is installed to the outside of curb plate, the slide rail has the spout that transversely runs through, the guide pulley cooperation the spout.
Among the above-mentioned technical scheme, mainly be the stability that increases sliding support, can avoid rocking of sliding support through the leading pulley of both sides, increase stability.
Preferably, a notch is formed at the bottom of the sliding support, and a steel roller is installed in the notch, and the roller contacts the bottom plate. The setting of gyro wheel can conveniently slide the support and slide along the connecting rod, and the gyro wheel supports on the bottom plate simultaneously, can help sharing the atress of connecting rod, reduces the deformation of connecting rod.
Preferably, a sliding frame is assembled between a plurality of connecting rods, a steel plate is welded inside the sliding frame, the connecting rods penetrate through the steel plate, and the steel plate can slide along the connecting rods; bolts are welded outside the sliding frame, strip-shaped grooves are formed in the two sides of the inner frame, and the bolts penetrate through the strip-shaped grooves and are matched with nuts; the upper end of the sliding frame is welded with a rotating seat, the rotating seat is matched with a shaft, a rotating sleeve is assembled on the shaft, and a socket is arranged on the outer wall of the rotating sleeve; an auxiliary supporting rod is inserted into the socket, and the end, far away from the socket, of the auxiliary supporting rod is connected with a tower crane upright post.
Among the above-mentioned technical scheme, mainly support the stand of tower crane through auxiliary strut, play the technological effect to the bracing of tower crane stand through auxiliary strut.
Preferably, a plurality of side support plates are formed by casting at the outer wall of the base, reinforcing steel hoops with the same shape are arranged in the side support plates, parts of the reinforcing steel hoops extend into the base, a first reinforcing steel ring formed by bending a threaded reinforcing steel bar is arranged between the inner sides of the plurality of reinforcing steel hoops, and the first reinforcing steel ring and the reinforcing steel hoops are bound and fixed.
The side supporting plates are used for increasing the stress capacity of the base and reducing the collapse of the base. Meanwhile, in the structure, the local part of the steel hoop, which is used for pouring in the side supporting plate, is poured in the base, so that a stable integral structure is formed between the side supporting plate and the base.
Preferably, the reinforcing structure comprises a plurality of second reinforcing rings poured in the base and located at the outer side of the assembly holes; square reinforcing steel bar hoops are tied and fixed among the second reinforcing steel bar rings, and the profiling reinforcing steel bar hoops are vertically arranged; and a plurality of third reinforcing steel bar rings are coaxially arranged at the bottoms of the assembly holes in the base, connecting bars are tied and fixed among the third reinforcing steel bar rings, and the connecting bars are positioned on the diameter lines of the third reinforcing steel bar rings.
The invention has the beneficial effects that:
1) in this device, adopt the adjustable foundation structure of base structure cooperation, the base structure after the construction accomplish directly bury underground can, need not to demolish. The adjustable foundation structure is detachable, so that the adjustable foundation structure can be hoisted to the next construction site after construction is finished; the concrete amount adopted by the base structure is far smaller than that of a concrete foundation in the traditional technology; the adjustable structure connected with the tower crane can be repeatedly used, so that the use of building consumables is reduced, and the foundation cost of the tower crane is reduced;
2) in the device, the sliding support of the adjustable foundation structure can be adjusted in a sliding manner, so that the installation requirements of tower cranes with different sizes can be met conveniently;
3) the structure of this device is comparatively simple, and the cost is comparatively cheap, is fit for using widely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a top view of the present invention;
FIG. 2 is a cross-sectional view of a base structure;
FIG. 3 is a top view of an adjustable base structure;
FIG. 4 is a cross-sectional view at A-A of FIG. 3;
FIG. 5 is a cross-sectional view at B-B of FIG. 3;
FIG. 6 is a schematic view of the mating of the inner and outer rings;
FIG. 7 is a top view of the cover plate;
figure 8 is a cross-sectional view of a lifting post.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 8.
Example 1
A concrete foundation structure of a tower crane comprises a base structure 1 made of concrete poured in the ground and an adjustable foundation structure 2 which is assembled in the base structure 1 and can be movably disassembled; adjustable foundation structure 2 is that can hoist and mount and demolish, consequently when changing the position of tower crane, only need through wherein equipment with adjustable foundation structure 2 upwards hoist out, shift to next mounting point can, easy operation is convenient.
The base structure 1 comprises a concrete poured base 101, and a mounting hole 102 is poured and formed at the top of the base 101; a steel bar reinforcing structure is poured inside the base 101: the reinforcing structure is to increase the structural strength of the base 101 and reduce the probability of fracture.
The adjustable foundation structure 2 can be adjusted adaptively according to the size of the assembled tower crane; the adjustable base structure 2 is fitted into the fitting hole 102. Adjustable foundation structure 2 mainly deals with not unidimensional tower crane and carries out the regulation of adaptability for the adaptability of this device is wider.
Example 2
The adjustable foundation structure 2 comprises a steel bottom plate 201, an inner ring 202 is coaxially arranged at the top of the bottom plate 201, an outer ring 203 is coaxially arranged at the top of the bottom plate 201, a plurality of connecting rods 204 are welded between the inner ring 202 and the outer ring 203, the connecting rods 204 are annularly distributed, 2 connecting rods 204 are arranged under the same angle, and 2 connecting rods 204 under the same angle are arranged in an up-and-down parallel manner; an inner frame 205 is matched between 2 connecting rods 204 under the same angle; the inner frame 205 and the connecting rod 204 are welded and fixed; an annular plate 206 is welded and assembled on the outer part of the inner ring 202, the annular plate 206 is provided with a plurality of cover plates 207 corresponding to the inner frame 205, two sides of the cover plates 207 are bent downwards vertically to form side plates 218, the bottom of the side plates 218 is welded with the bottom plate 201, the outer end faces of the cover plates 207 are welded with the outer ring 203, the inner frame 205 extends upwards to the outer part of the cover plates 207, and the inner frame 205 is welded and fixed with the cover plates 207; a sliding support 208 is matched with the connecting rod 204, and the lower end of the sliding support 208 is supported by the bottom plate 201; the upper end of the sliding support 208 extends upwards to the outside of the inner frame 205, and the upper end of the sliding support 208 is provided with a first mounting hole 209 for mounting a tower crane upright; a screw 210 is screwed into the bottom of the first mounting hole 209, and the screw 201 is screwed into the bottom to abut against the uppermost connecting rod 204, so that the position of the sliding bracket 208 is fixed; the bottom plate 201 is fitted in the fitting hole 102; a plurality of lifting columns 232 are welded on the top of the bottom plate 201, and lifting holes 242 for passing through a steel cable are formed in the side surfaces of the lifting columns 232; a connecting plate 888 is arranged at the upper end of the cover plate 207, a first connecting plate 889 is fixedly poured on the top of the base 101, and a connecting bolt 890 is matched between the connecting plate 888 and the first connecting plate 889.
Among the above-mentioned technical scheme, the support 208 that slides can slide along connecting rod 204, and the support 208 that slides supports through bottom plate 201 and connecting rod 204 for the support 208 that slides can only translate, after sliding to suitable position, fix a position the support 208 that slides through screw 210, then with the stand of tower crane assign in first mounting hole 209 can, then fix the stand of tower crane through the screw, make things convenient for the later stage to dismantle. In the above structure, the bottom plate 201 is fitted in the fitting hole 102; hoisting is carried out through hoisting equipment, and after the assembly is completed, the bottom plate 201 is prevented from shaking through reinforcing the connecting bolt 890.
In the above technical solution, the inner frame 205 can be connected between the plurality of connecting rods 204, so as to increase the bending resistance of the connecting rods 204. While the sliding support 208 is fitted within the inner frame 205 such that the sliding amplitude of the sliding support 208 is limited within the inner frame 205.
Example 3
A side bracket 211 is arranged outside the sliding bracket 208, and a rib plate 282 is arranged between the side bracket 211 and the sliding bracket 208; a cannula 212 is vertically inserted into the top of the side bracket 211, and the lower end of the cannula 212 is positioned outside the side plate 208; still include the piece and install plate 4 on the tower crane stand, plate 4 has the through-hole 401 that passes the tower crane stand, through auxiliary strut 213 is installed to intubate 212, plate 4 still has and passes first through-hole 402 that auxiliary strut 213 used.
In the traditional technology, the stand column of the tower crane is only fixed once. And adopted above-mentioned technical scheme, the stand of tower crane passes plate 4, and with welded fastening between plate 4. Then, the auxiliary rod 213 is fixed to the plate 4 by welding, and the lower end of the auxiliary rod 213 is inserted into the insertion tube 212 and then fixed by a screw. This structure can increase the stand of tower crane and the cooperation firmness of support 208 that slides. The wind resistance of the tower crane is reduced.
Example 4
A guide pulley 213 is mounted at the lower end of the insertion tube 212, a slide rail 214 is mounted on the outer side of the side plate 218, the slide rail 214 has a slide groove 215 penetrating in the transverse direction, and the guide pulley 213 is engaged with the slide groove 215.
Among the above-mentioned technical scheme, mainly increase sliding support 208's stability, can avoid sliding support 208's rocking through the guide pulley 213 of both sides, increase stability.
Example 5
A notch is formed at the bottom of the sliding bracket 208, a steel roller 216 is installed in the notch, and the roller 216 contacts the bottom plate 201. The arrangement of the roller 216 can facilitate the sliding of the sliding support 208 along the connecting rod 204, and the roller 216 is supported on the bottom plate 201, which can help to share the stress of the connecting rod 204 and reduce the deformation of the connecting rod 204.
Example 6
A sliding frame 217 is assembled among a plurality of the connecting rods 204, a steel plate 219 is welded inside the sliding frame 217, the connecting rods 204 penetrate through the steel plate 219, and the steel plate 219 can slide along the connecting rods 204; a bolt 220 is welded outside the sliding frame 217, strip-shaped grooves 221 are formed in two sides of the inner frame 205, and a nut 222 is matched after the bolt 220 penetrates through the strip-shaped grooves 221; a rotating base 223 is welded at the upper end of the sliding frame 217, a shaft 224 is matched with the rotating base 223, a rotating sleeve 225 is assembled on the shaft 224, and a socket 226 is arranged at the outer wall of the rotating sleeve 225; an auxiliary strut 227 is inserted into the socket 226, and the end, far away from the socket 226, of the auxiliary strut 227 is connected with a tower crane upright.
Among the above-mentioned technical scheme, mainly support the stand of tower crane through auxiliary strut 227, play the technological effect to the bracing of tower crane stand through auxiliary strut 227.
Example 7
A plurality of side support plates 121 are formed by casting at the outer wall of the base 101, reinforcing steel hoops 131 with the same shape are arranged inside the side support plates 121, parts of the reinforcing steel hoops 131 extend into the base 101, a first reinforcing ring 141 formed by bending a threaded reinforcing steel bar is arranged between the inner sides of the reinforcing steel hoops 131, and the first reinforcing ring 141 and the reinforcing steel hoops 131 are bound and fixed.
The side support plates 121 function to increase the force capacity of the base 101 and reduce the collapse of the base 101. Meanwhile, in the above structure, the reinforcing hoops 131 for casting in the side support plate 121 are partially cast into the base 101, so that a stable integral structure is formed between the side support plate 121 and the base 101.
Example 8
The steel bar reinforcement structure comprises a plurality of second steel bar rings 311 which are poured in the base 101 and are positioned at the outer sides of the assembly holes 102; square reinforcing steel bar hoops 312 are tied and fixed among the second reinforcing steel bar rings 311, and the profiling reinforcing steel bar hoops 312 are vertically arranged; a plurality of third tendons 313 are coaxially arranged at the bottoms of the assembly holes 102 inside the base 101, and tie bars 314 are tied and fixed among the third tendons 313, wherein the tie bars 314 are positioned on the diameter lines of the third tendons 313.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a concrete foundation structure of tower crane which characterized in that: the foundation structure comprises a base structure (1) made of concrete poured in the ground and an adjustable foundation structure (2) which is assembled in the base structure (1) and can be movably disassembled;
the base structure (1) comprises a base (101) formed by pouring concrete, and a mounting hole (102) is formed in the top of the base (101) in a pouring mode; a steel bar reinforcing structure is poured inside the base (101);
the adjustable foundation structure (2) can be adjusted adaptively according to the size of the assembled tower crane; the adjustable base structure (2) is fitted into the fitting hole (102).
2. The concrete foundation structure of a tower crane according to claim 1, wherein: the adjustable foundation structure (2) comprises a steel bottom plate (201), an inner ring (202) is coaxially arranged at the top of the bottom plate (201), an outer ring (203) is coaxially arranged at the top of the bottom plate (201), a plurality of connecting rods (204) are welded between the inner ring (202) and the outer ring (203), the connecting rods (204) are annularly distributed, at least 2 connecting rods (204) are arranged at the same angle, and at least 2 connecting rods (204) at the same angle are arranged in a vertical parallel manner; an inner frame (205) is matched among the connecting rods (204) under the same angle; the inner frame (205) and the connecting rod (204) are fixed by welding; an annular plate (206) is welded and assembled on the outer portion of the inner ring (202), the annular plate (206) is provided with a plurality of cover plates (207) corresponding to the inner frame (205), two sides of each cover plate (207) are bent downwards vertically to form side plates (218), welding is carried out between the bottom of each side plate (218) and the bottom plate (201), welding is carried out between the outer end face of each cover plate (207) and the outer ring (203), the inner frame (205) extends upwards to the outer portion of the cover plate (207), and welding and fixing are carried out between the inner frame (205) and the cover plates (207); a sliding support (208) is matched with the connecting rod (204), and the lower end of the sliding support (208) is supported by the bottom plate (201); the upper end of the sliding support (208) extends upwards to the outside of the inner frame (205), and a first mounting hole (209) for mounting a tower crane upright is formed in the upper end of the sliding support (208); a screw (210) is screwed into the bottom of the first mounting hole (209), the screw (201) abuts against the uppermost connecting rod (204) after being screwed into the screw, and the position of the sliding support (208) is fixed at the moment; the bottom plate (201) is fitted in the fitting hole (102); a plurality of lifting columns (232) are welded at the top of the bottom plate (201), and lifting holes (242) for passing through steel cables are formed in the side surfaces of the lifting columns (232); a connecting plate (888) is arranged at the upper end of the cover plate (207), a first connecting plate (889) is fixedly poured on the top of the base (101), and a connecting bolt (890) is matched between the connecting plate (888) and the first connecting plate (889).
3. The concrete foundation structure of a tower crane according to claim 1, wherein: a side bracket (211) is arranged outside the sliding bracket (208), and a rib plate (282) is arranged between the side bracket (211) and the sliding bracket (208); a cannula (212) is vertically inserted into the top of the side bracket (211), and the lower end of the cannula (212) is positioned outside the side plate (208); still include one and install plate (4) on the tower crane stand, plate (4) have through-hole (401) of passing the tower crane stand, through auxiliary strut (213) is installed to intubate (212), plate (4) still have and pass first through-hole (402) that auxiliary strut (213) were used.
4. The concrete foundation structure of a tower crane according to claim 3, wherein: the lower end of the insertion pipe (212) is provided with a guide pulley (213), the outer side of the side plate (218) is provided with a sliding rail (214), the sliding rail (214) is provided with a sliding groove (215) which transversely penetrates through, and the guide pulley (213) is matched with the sliding groove (215).
5. The concrete foundation structure of a tower crane according to claim 2, wherein: a notch is arranged at the bottom of the sliding support (208), a steel roller (216) is arranged in the notch, and the bottom plate (201) is contacted through the twisted roller (216).
6. The concrete foundation structure of a tower crane according to claim 2, wherein: a sliding frame (217) is assembled among the connecting rods (204), a steel plate (219) is welded inside the sliding frame (217), the connecting rods (204) penetrate through the steel plate (219), and the steel plate (219) can slide along the connecting rods (204); a bolt (220) is welded outside the sliding frame (217), strip-shaped grooves (221) are formed in two sides of the inner frame (205), and the bolt (220) penetrates through the strip-shaped grooves (221) and then is matched with a nut (222); a rotating seat (223) is welded at the upper end of the sliding frame (217), a shaft (224) is matched through the rotating seat (223), a rotating sleeve (225) is assembled on the shaft (224), and a socket (226) is arranged at the outer wall of the rotating sleeve (225); an auxiliary supporting rod (227) is inserted into the socket (226), and the end, far away from the socket (226), of the auxiliary supporting rod (227) is connected with a tower crane upright post.
7. The concrete foundation structure of a tower crane according to claim 1, wherein: the outer wall department of base (101) pours and forms polylith collateral branch fagging (121), the inside of collateral branch fagging (121) is provided with the reinforcing bar hoop (131) of same shape, the part of reinforcing bar hoop (131) extends to in base (101), is provided with the crooked first reinforcing bar ring (141) that form of twisted steel between a plurality of the inboard of reinforcing bar hoop (131), first reinforcing bar ring (141) with tie up fixedly between reinforcing bar hoop (131).
8. The concrete foundation structure of a tower crane according to claim 1, wherein: the steel bar reinforced structure comprises a plurality of second steel bar rings (311) which are poured in the base (101) and are positioned at the outer side of the assembly holes (102); square reinforcing steel bar hoops (312) are tied and fixed among the second reinforcing steel bar rings (311), and the profiling reinforcing steel bar hoops (312) are vertically arranged; a plurality of third steel bar rings (313) are coaxially arranged at the bottoms of the assembly holes (102) in the base (101), connecting ribs (314) are tied and fixed among the third steel bar rings (313), and the connecting ribs (314) are positioned on the diameter lines of the third steel bar rings (313).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116427452A (en) * | 2023-06-13 | 2023-07-14 | 吉林建筑大学 | Adjustable overhead building base for building construction |
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| JP2005240479A (en) * | 2004-02-27 | 2005-09-08 | Tokyo Electric Power Co Inc:The | Installation article base |
| CN206599391U (en) * | 2017-03-28 | 2017-10-31 | 浙江庞源机械工程有限公司 | A kind of tower crane conversion platform |
| CN207312990U (en) * | 2017-09-21 | 2018-05-04 | 中铁七局集团第一工程有限公司 | A kind of tower crane conversion base |
| CN108946519A (en) * | 2018-07-18 | 2018-12-07 | 无锡华美钼业有限公司 | The tower crane base that can be recycled |
| CN209723016U (en) * | 2019-03-21 | 2019-12-03 | 中国十九冶集团有限公司 | Foundation structure for tower crane |
| CN111663558A (en) * | 2020-06-30 | 2020-09-15 | 刘信君 | Universal assembly type equipment foundation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116427452A (en) * | 2023-06-13 | 2023-07-14 | 吉林建筑大学 | Adjustable overhead building base for building construction |
| CN116427452B (en) * | 2023-06-13 | 2023-08-11 | 吉林建筑大学 | Adjustable overhead building base for building construction |
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| CN113062348B (en) | 2022-09-02 |
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