CN105155580A - Support device of underground large spherical tank internal platform and establishment method - Google Patents
Support device of underground large spherical tank internal platform and establishment method Download PDFInfo
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- CN105155580A CN105155580A CN201510572793.9A CN201510572793A CN105155580A CN 105155580 A CN105155580 A CN 105155580A CN 201510572793 A CN201510572793 A CN 201510572793A CN 105155580 A CN105155580 A CN 105155580A
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Abstract
The invention relates to a support device of an underground large spherical tank internal platform and an establishment method, which comprise a detachable center stand column, support cantilevers and a ring-shaped positioning ring, wherein the detachable center stand column passes through an internal inclined ladder, the center stand column comprises a plurality of stand column units, the ring-shaped positioning ring is bent through a steel pipe or a shape steel, and flanges are welded on the two ends of the ring-shaped positioning ring, and are connected through bolts. When a spherical tank is assembled, a low pole middle plate is not assembled firstly, and the center stand columns are arranged on a civil foundation which is arranged below a pole middle plate, thereby preventing a tank body from bearing. The center stand column units are assembled through bolts and are equal to the spherical tank in height, each center stand column unit is provided with the support cantilevers along the radial periphery, and ring-shaped positioning rings are arranged on the outer sides of the support cantilevers. One side of a scaffold platform which is arranged in the spherical tank is connected with the positioning rings, and the other side of the scaffold platform is connected with a vertical rod of a scaffold, thereby forming multiple layers of scaffold platforms which are arranged in the spherical tank. The establishment method is suitable for large spherical tanks, and a structure mode comprises a pillar spherical tank and a skirt spherical tank. The support device of the underground large spherical tank internal platform and the establishment method are suitable for spherical tanks which are arranged in an underground space, but are not limited in underground spherical tanks.
Description
Technical field
The present invention relates to machined steel structure field, especially relate to a kind of underground large-size spherical tank inside panel bracing or strutting arrangement and construction method.
Background technology
Plan to build the spherical tank that the hundreds of rice of lithologic subsurface in Yushan Hill is dark, diameter reaches more than 30000mm.Zawn is cylindrical space, and the tunnel be communicated with ground only arrives the platform operations room on side, grotto top, and grotto top is about hundreds of rice overhead.The internal diameter of this underground spherical tank is comparatively large, if set up full hall scaffold therein in building course, not only needs the steel pipe of at substantial, and if spherical tank housing to bear whole scaffold weight very unfavorable to control spherical tank physical dimension.
Summary of the invention
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
A kind of underground large-size spherical tank inside panel bracing or strutting arrangement, is characterized in that, comprising:
Center stand column: be arranged on large-size spherical tank inside and be vertically fixed on ground, one end is fixed on from underground preburied to the precast concrete foundation on ground by stone bolt;
Some retainer plates: be inserted in center stand column successively to bottom by center stand column top, and be fixed on center stand column outer wall by least three hounds;
Some support arms: one end is fixed on retainer plate, the other end centrally column circumference radial direction extends;
Some circular orientation circles: the other end of the some support arms on each retainer plate is fixed on a circular orientation circle simultaneously; Upper strata circular orientation circle is fixed on lower floor's circular orientation circle by fixed support assembly.
At above-mentioned a kind of underground large-size spherical tank inside panel bracing or strutting arrangement, described center stand column is square or cylindrical structural, and center stand column can be a truss, this truss fixedly consists of Flange joint several truss element head and the tail, and each truss element inside is fixed with a working stand.
At above-mentioned a kind of underground large-size spherical tank inside panel bracing or strutting arrangement, each truss element is fixed with a retainer plate, each retainer plate is fixed with a circular orientation circle by some radial support arms, unequal by some circular orientation loop diameters of center stand column top to bottom, and increased successively by the circular orientation loop diameter at center stand column top to center stand column center; Reduced successively by the circular orientation loop diameter of center stand column center to center column bottom.
At above-mentioned a kind of underground large-size spherical tank inside panel bracing or strutting arrangement, by center stand column top circular orientation circle in the circular orientation circle at center stand column center; Described fixed support assembly one end is fixed at least any three support arms on the circular orientation circle of upper strata, and the other end is fixed at least any three support arms corresponding with upper strata circular orientation circle on lower floor's circular orientation circle; Described fixed support assembly comprises a scaffold upright rod, and one end of this vertical rod is fixed on the support arm on the circular orientation circle of upper strata; The other end be vertically fixed on lower floor's circular orientation circle with on the corresponding support arm of upper strata circular orientation circle;
By center stand column center annular centring ring in the circular orientation circle of center stand column bottom; Described fixed support assembly one end is fixed at least any three support arms on the circular orientation circle of upper strata, and the other end is fixed on underground large-size spherical tank spherical shell inwall; Described fixed support assembly comprises a scaffold upright rod, and one end of this vertical rod is fixed on the support arm on the circular orientation circle of upper strata; The other end is vertically fixed on underground large-size spherical tank spherical shell inwall.
At above-mentioned a kind of underground large-size spherical tank inside panel bracing or strutting arrangement, by center stand column center annular centring ring in the circular orientation circle of center stand column bottom, the vertical rod other end is fixed on spherical shell inwall by an arc backing plate, described arc backing plate bottom is fixed on spherical shell inwall based on fillet weld form, and the arc of the arc of arc backing plate and its place spherical shell inwall adapts.
At above-mentioned a kind of underground large-size spherical tank inside panel bracing or strutting arrangement, also comprise some auxiliary fixed support assemblies; Comprise:
By center stand column top circular orientation circle in the circular orientation circle at center stand column center; This auxiliary fixed support assembly is indulged frame by a scaffold cross bar and a scaffold and is formed a L shape fixed mount, and this L shape fixed mount at least includes three; Wherein, one end of scaffold cross bar is fixed on the circular orientation circle of upper strata, and the bottom that frame indulged by scaffold is fixed on layer support arm of circular orientation circle;
By center stand column center annular centring ring in the circular orientation circle of center stand column bottom; This auxiliary fixed support assembly is indulged frame by a scaffold cross bar and a scaffold and is formed a L shape fixed mount, and this L shape fixed mount at least includes three; Wherein, one end of scaffold cross bar is fixed on the circular orientation circle of upper strata, and the bottom that frame indulged by scaffold is fixed on underground large-size spherical tank spherical shell inwall;
Every layer of scaffold cross bar is equipped with some steel bed boards, forms an annular operation platform.
At above-mentioned a kind of underground large-size spherical tank inside panel bracing or strutting arrangement, described circular orientation circle is combined by some loop, and adjacent loop head and the tail are fixed by Flange joint.
The construction method that a kind of underground large-size spherical tank inside panel supports, it is characterized in that, for ease of the installation of center stand column, during spherical tank assembling, plate extremely middle under spherical tank is placed in side under spherical tank, and all other completes to treat spherical tank body, and after removing center stand column, the mode adopting guide chain to promote again is finally assembled down plate extremely and is welded, and specifically comprises:
Step 1, center stand column installation steps: need before center stand column at ground precast concrete foundation and pre-embedded anchoring bolts, the lower end of fixed center column; According to spherical tank apex distance height overhead, utilize bolt to connect center stand column unit, group to center stand column to spherical tank tip position;
Step 2, the installation of supporting cantilever: center stand column group is to after completing, and centrally column circumference radial direction installs bottom first floor supporting cantilever according to actual needs, and supporting cantilever is supported by scaffold upright rod away from center stand column side;
Step 3, the installation of circular orientation circle: after supporting cantilever installation, according to the physical dimension of tank body, its outer end erection loop to centring ring, and scaffold, and build first floor circumference operation platform on scaffold, for operating personnel's walking, its width meets operating personnel's construction requirement;
Step 4, after the inner first floor scaffold supporting device of underground spherical tank and operation platform installation, same method up repeats above-mentioned steps 2 and step 3 successively, successively installs until spherical tank tip position from lower to upper.
Therefore, tool of the present invention has the following advantages:, 1, most of weight of platform can be born by ground base by center stand column, change conventional method all by the mode of Spherical Tank Shell Plates load-bearing, the deflection that spherical tank produces by external force can be reduced, improve the precision of large-size spherical tank physical dimension.Meanwhile, the use of the method can reduce the demand to scaffolding steel pipe and buckle, saves the time of setting up scaffold, reduces construction cost; 2, be applicable to spherical tank volume and be greater than 10000m
3spherical tank, the structure of this device is center divergent shape, symmetry and interchangeability good, realize modularization, there is good stability, convenient to install.。
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the present invention (only comprising a circular orientation circle).
Fig. 2 is that center stand column group of the present invention is to scheme of installation.
Fig. 3 is the scheme of installation of supporting cantilever of the present invention.
Fig. 4 is the scheme of installation of circular orientation circle of the present invention.
Fig. 5 is the total schematic diagram installing end of the present invention.
Fig. 6 is the structure for amplifying schematic diagram at A place in Fig. 3.
Fig. 7 is the structure for amplifying schematic diagram at A place in Fig. 5.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment:
One, first, the bracing or strutting arrangement used by the present invention is introduced.
Comprise:
1, center stand column: be arranged on large-size spherical tank inside and be vertically fixed on ground, one end is fixed on from underground preburied to the precast concrete foundation on ground by stone bolt; Center stand column is square or cylindrical structural, and center stand column can be a truss, and this truss fixedly consists of Flange joint several truss element head and the tail, and each truss element inside is fixed with a working stand.Each truss element is fixed with a retainer plate, each retainer plate is fixed with a circular orientation circle by some radial support arms, unequal by some circular orientation loop diameters of center stand column top to bottom, and increased successively by the circular orientation loop diameter at center stand column top to center stand column center; Reduced successively by the circular orientation loop diameter of center stand column center to center column bottom; And:
By center stand column top circular orientation circle in the circular orientation circle at center stand column center; Described fixed support assembly one end is fixed at least any three support arms on the circular orientation circle of upper strata, and the other end is fixed at least any three support arms corresponding with upper strata circular orientation circle on lower floor's circular orientation circle; Fixed support assembly comprises a scaffold upright rod, and one end of this vertical rod is fixed on the support arm on the circular orientation circle of upper strata; The other end be vertically fixed on lower floor's circular orientation circle with on the corresponding support arm of upper strata circular orientation circle.
By center stand column center annular centring ring in the circular orientation circle of center stand column bottom; Described fixed support assembly one end is fixed at least any three support arms on the circular orientation circle of upper strata, and the other end is fixed on underground large-size spherical tank spherical shell inwall; Described fixed support assembly comprises a scaffold upright rod, and one end of this vertical rod is fixed on the support arm on the circular orientation circle of upper strata; The other end is vertically fixed on underground large-size spherical tank spherical shell inwall.
By center stand column top circular orientation circle in the circular orientation circle at center stand column center; This auxiliary fixed support assembly is indulged frame by a scaffold cross bar and a scaffold and is formed a L shape fixed mount, and this L shape fixed mount at least includes three; Wherein, one end of scaffold cross bar is fixed on the circular orientation circle of upper strata, and the bottom that frame indulged by scaffold is fixed on layer support arm of circular orientation circle;
By center stand column center annular centring ring in the circular orientation circle of center stand column bottom, the vertical rod other end is fixed on spherical shell inwall by an arc backing plate, described arc backing plate bottom is fixed on spherical shell inwall based on fillet weld form, and the arc of the arc of arc backing plate and its place spherical shell inwall adapts.
2, some retainer plates: be inserted in center stand column successively to bottom by center stand column top, and be fixed on center stand column outer wall by least three hounds;
3, some support arms: one end is fixed on retainer plate, the other end centrally column circumference radial direction extends;
4, some circular orientation circles: the other end of the some support arms on each retainer plate is fixed on a circular orientation circle simultaneously; Upper strata circular orientation circle is fixed on lower floor's circular orientation circle by fixed support assembly.
5, some auxiliary fixed support assemblies, comprising:
By center stand column top circular orientation circle in the circular orientation circle at center stand column center; This auxiliary fixed support assembly is indulged frame by a scaffold cross bar and a scaffold and is formed a L shape fixed mount, and this L shape fixed mount at least includes three; Wherein, one end of scaffold cross bar is fixed on the circular orientation circle of upper strata, and the bottom that frame indulged by scaffold is fixed on layer support arm of circular orientation circle;
By center stand column center annular centring ring in the circular orientation circle of center stand column bottom; This auxiliary fixed support assembly is indulged frame by a scaffold cross bar and a scaffold and is formed a L shape fixed mount, and this L shape fixed mount at least includes three; Wherein, one end of scaffold cross bar is fixed on the circular orientation circle of upper strata, and the bottom that frame indulged by scaffold is fixed on underground large-size spherical tank spherical shell inwall;
Every layer all has steel bed board, and described steel bed board is placed on scaffold cross bar.
Two, the concrete construction method of bracing or strutting arrangement of the present invention is introduced below.
For ease of the installation of center stand column, during spherical tank assembling, plate extremely middle under spherical tank is placed in side under spherical tank, and all other completes to treat spherical tank body, and after removing center stand column.The mode adopting guide chain to promote again is finally assembled down plate extremely and is welded, and specifically comprises:
Step 1, center stand column installation steps: need before center stand column at ground precast concrete foundation and pre-embedded anchoring bolts, the lower end of fixed center column.According to spherical tank apex distance height overhead, utilize bolt to connect center stand column unit, group to center stand column to spherical tank tip position;
Step 2, the installation of supporting cantilever: center stand column group is to after completing, and centrally column circumference radial direction installs bottom first floor supporting cantilever according to actual needs, and supporting cantilever is supported by scaffold upright rod away from center stand column side;
Step 3, the installation of circular orientation circle: after supporting cantilever installation, according to the physical dimension of tank body, its outer end erection loop to centring ring, and scaffold, and on scaffold, build first floor circumference operation platform, spread sequence above operation platform and establish landing slab for operating personnel's walking, its width meets operating personnel's construction requirement;
Step 4, after the inner first floor scaffold supporting device of underground spherical tank and operation platform installation, same method up repeats above-mentioned steps 2 and step 3 successively, successively installs until spherical tank tip position from lower to upper
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (8)
1. a underground large-size spherical tank inside panel bracing or strutting arrangement, is characterized in that, comprising:
Center stand column: be arranged on large-size spherical tank inside and be vertically fixed on ground, one end is fixed on from underground preburied to the precast concrete foundation on ground by stone bolt;
Some retainer plates: be inserted in center stand column successively to bottom by center stand column top, and be fixed on center stand column outer wall by least three hounds;
Some support arms: one end is fixed on retainer plate, the other end centrally column circumference radial direction extends;
Some circular orientation circles: the other end of the some support arms on each retainer plate is fixed on a circular orientation circle simultaneously; Upper strata circular orientation circle is fixed on lower floor's circular orientation circle by fixed support assembly.
2. a kind of underground according to claim 1 large-size spherical tank inside panel bracing or strutting arrangement, it is characterized in that, described center stand column is square or cylindrical structural, and center stand column can be a truss, this truss fixedly consists of Flange joint several truss element head and the tail, and each truss element inside is fixed with a working stand.
3. a kind of underground according to claim 1 large-size spherical tank inside panel bracing or strutting arrangement, it is characterized in that, each truss element is fixed with a retainer plate, each retainer plate is fixed with a circular orientation circle by some radial support arms, unequal by some circular orientation loop diameters of center stand column top to bottom, and increased successively by the circular orientation loop diameter at center stand column top to center stand column center; Reduced successively by the circular orientation loop diameter of center stand column center to center column bottom.
4. a kind of underground according to claim 1 large-size spherical tank inside panel bracing or strutting arrangement, is characterized in that, by center stand column top circular orientation circle in the circular orientation circle at center stand column center; Described fixed support assembly one end is fixed at least any three support arms on the circular orientation circle of upper strata, and the other end is fixed at least any three support arms corresponding with upper strata circular orientation circle on lower floor's circular orientation circle; Described fixed support assembly comprises a scaffold upright rod, and one end of this vertical rod is fixed on the support arm on the circular orientation circle of upper strata; The other end be vertically fixed on lower floor's circular orientation circle with on the corresponding support arm of upper strata circular orientation circle;
By center stand column center annular centring ring in the circular orientation circle of center stand column bottom; Described fixed support assembly one end is fixed at least any three support arms on the circular orientation circle of upper strata, and the other end is fixed on underground large-size spherical tank spherical shell inwall; Described fixed support assembly comprises a scaffold upright rod, and one end of this vertical rod is fixed on the support arm on the circular orientation circle of upper strata; The other end is vertically fixed on underground large-size spherical tank spherical shell inwall.
5. a kind of underground according to claim 1 large-size spherical tank inside panel bracing or strutting arrangement, it is characterized in that, by center stand column center annular centring ring in the circular orientation circle of center stand column bottom, the vertical rod other end is fixed on spherical shell inwall by an arc backing plate, described arc backing plate bottom is fixed on spherical shell inwall based on fillet weld form, and the arc of the arc of arc backing plate and its place spherical shell inwall adapts.
6. a kind of underground according to claim 1 large-size spherical tank inside panel bracing or strutting arrangement, is characterized in that, also comprise some auxiliary fixed support assemblies, and auxiliary fixed support assembly comprises:
By center stand column top circular orientation circle in the circular orientation circle at center stand column center; This auxiliary fixed support assembly is indulged frame by a scaffold cross bar and a scaffold and is formed a L shape fixed mount, and this L shape fixed mount at least includes three; Wherein, one end of scaffold cross bar is fixed on the circular orientation circle of upper strata, and the bottom that frame indulged by scaffold is fixed on layer support arm of circular orientation circle;
By center stand column center annular centring ring in the circular orientation circle of center stand column bottom; This auxiliary fixed support assembly is indulged frame by a scaffold cross bar and a scaffold and is formed a L shape fixed mount, and this L shape fixed mount at least includes three; Wherein, one end of scaffold cross bar is fixed on the circular orientation circle of upper strata, and the bottom that frame indulged by scaffold is fixed on underground large-size spherical tank spherical shell inwall;
Every layer of scaffold cross bar is equipped with some steel bed boards, forms an annular operation platform.
7. a kind of underground according to claim 1 large-size spherical tank inside panel bracing or strutting arrangement, it is characterized in that, described circular orientation circle is combined by some loop, and adjacent loop head and the tail are fixed by Flange joint.
8. the construction method of a underground large-size spherical tank inside panel support, it is characterized in that, for ease of the installation of center stand column, during spherical tank assembling, plate extremely middle under spherical tank is placed in side under spherical tank, and all other completes to treat spherical tank body, and after removing center stand column, the mode adopting guide chain to promote again is finally assembled down plate extremely and is welded, and specifically comprises:
Step 1, center stand column installation steps: need before center stand column at ground precast concrete foundation and pre-embedded anchoring bolts, the lower end of fixed center column; According to spherical tank apex distance height overhead, utilize bolt to connect center stand column unit, group to center stand column to spherical tank tip position;
Step 2, the installation of supporting cantilever: center stand column group is to after completing, and centrally column circumference radial direction installs bottom first floor supporting cantilever according to actual needs, and supporting cantilever is supported by scaffold upright rod away from center stand column side;
Step 3, the installation of circular orientation circle: after supporting cantilever installation, according to the physical dimension of tank body, its outer end erection loop to centring ring, and scaffold, and on scaffold, build first floor circumference operation platform, spread sequence above operation platform and establish landing slab for operating personnel's walking, its width meets operating personnel's construction requirement;
Step 4, after the inner first floor scaffold supporting device of underground spherical tank and operation platform installation, same method up repeats above-mentioned steps 2 and step 3 successively, successively installs until spherical tank tip position from lower to upper.
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| CN201510572793.9A CN105155580B (en) | 2015-09-10 | 2015-09-10 | A kind of underground large-size spherical tank inside panel support meanss and construction method |
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| CN105155580B CN105155580B (en) | 2017-09-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110593543A (en) * | 2019-10-17 | 2019-12-20 | 无锡市创新低温环模设备科技有限公司 | Scaffold of spherical vacuum container |
| CN111305627A (en) * | 2020-03-24 | 2020-06-19 | 中化二建集团有限公司 | Concrete tank room construction method |
| CN111425721A (en) * | 2020-05-06 | 2020-07-17 | 东南大学 | Two-shaft rotating mechanism supported by cantilever in spherical tank |
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| CN110593543A (en) * | 2019-10-17 | 2019-12-20 | 无锡市创新低温环模设备科技有限公司 | Scaffold of spherical vacuum container |
| CN111305627A (en) * | 2020-03-24 | 2020-06-19 | 中化二建集团有限公司 | Concrete tank room construction method |
| CN111305627B (en) * | 2020-03-24 | 2021-10-26 | 中化二建集团有限公司 | Concrete tank room construction method |
| CN111425721A (en) * | 2020-05-06 | 2020-07-17 | 东南大学 | Two-shaft rotating mechanism supported by cantilever in spherical tank |
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| CN105155580B (en) | 2017-09-29 |
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