CN211253805U - Anti-seismic flexible anchoring structure for vertical storage tank - Google Patents
Anti-seismic flexible anchoring structure for vertical storage tank Download PDFInfo
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- CN211253805U CN211253805U CN201922010059.XU CN201922010059U CN211253805U CN 211253805 U CN211253805 U CN 211253805U CN 201922010059 U CN201922010059 U CN 201922010059U CN 211253805 U CN211253805 U CN 211253805U
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- storage tank
- anchoring
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Abstract
The utility model discloses a vertical flexible anchor structure of combatting earthquake for storage tank, vertical flexible anchor structure of combatting earthquake for storage tank sets up between storage tank outer wall and storage tank basis, and the welding has the backing plate on the storage tank outer wall, and the welding checkpost on the backing plate, storage tank inner wall and the corresponding elevation welding of backing plate have the reinforcing ring, adopt the support crab-bolt to be fixed with the pivot support on the storage tank basis. Every two of the anchoring belts are in a group and are arranged in a cross mode, one end of each anchoring belt penetrates through a gap between the clamp and the base plate and is fixed through the limiting plate, and the other end of each anchoring belt is provided with a round hole and is fixed on the rotating shaft and can rotate around the rotating shaft. In the early stage of earthquake, when the bottom plate of the storage tank is lifted away, the bottom plate of the storage tank rotates by a certain angle through each group of anchoring belts, the bottom of the tank is allowed to be lifted away from the ground in a micro amount, certain earthquake energy is released, each group of anchoring belts are gradually tensioned along with the lifting of the bottom of the tank, the energy in the last stage of earthquake is resisted, the damage to the bottom of the tank or the buckling of the wall of the tank like feet caused by the over-high lifting of the bottom of the tank is avoided.
Description
Technical Field
The utility model relates to a storage tank shock-resistant structure especially relates to a vertical storage tank is with flexible anchor structure of combatting earthquake.
Background
When the vertical storage tank is designed for earthquake resistance, an anchoring structure is often required to be arranged to resist the overturning moment of the storage tank generated under the action of an earthquake so as to avoid the tank bottom from being lifted and broken or the tank wall from being bent like feet. The anchor structure that mainly adopts at present is rag bolt seat anchor structure or straight line anchor band structure. The two anchoring structures all belong to rigid anchoring, and when an earthquake occurs, the local stress of the anchoring structures acting on the connecting part of the tank wall of the storage tank is too large, so that the tank wall is easy to break and leak accidents.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vertical storage tank is with flexible anchor structure of antidetonation to reach following mesh:
a) the bottom of the storage tank is allowed to have a certain displacement space lifted off the ground in the early earthquake stage, so that earthquake energy is effectively released;
b) along with the lifting of the bottom of the storage tank, the anchoring force is gradually increased, the energy in the last stage of earthquake is absorbed, the anchoring is realized, and the damage to the bottom of the tank or the foot buckling of the wall of the tank is avoided;
c) the defect of high local stress of a rigid anchoring structure is overcome;
to achieve the above object, the technical solution of the present invention includes the following: a seismic-resistant flexible anchoring structure for a vertical storage tank is characterized by comprising an anchoring belt, a clamp, a limiting plate, a base plate, a reinforcing ring, a rotating shaft, a fixing nut, a rotating shaft support and a support anchor bolt, wherein the seismic-resistant flexible anchoring structure for the vertical storage tank is arranged between the outer wall of the storage tank and a storage tank foundation to realize anchoring; a base plate is welded on the outer wall of the storage tank, a clamp is welded on the base plate, and a gap allowing the anchoring belt to be inserted is reserved between the clamp and the base plate; a reinforcing ring is welded on the inner wall of the storage tank and the corresponding elevation of the base plate; a rotating shaft support is fixed on the storage tank by a support anchor bolt; one end of the anchoring belt penetrates through a gap between the clamp and the base plate and is fixed through the limiting plate, and the other end of the anchoring belt is provided with a round hole and fixed on the rotating shaft and can rotate around the rotating shaft.
Preferably, the rotating shaft support consists of a bottom plate and three end plates, and the rotating shaft is fixed between the end plates through fixing nuts.
Preferably, every two anchoring belts are in a group, and a cross arrangement is adopted.
Preferably, two anchoring belts are fixed on one rotating shaft support at the same time, and the two anchoring belts can rotate around the same rotating shaft independently without mutual influence.
Compared with the prior art, the utility model discloses beneficial effect embodies as follows:
a) the utility model can effectively release the earthquake energy in the displacement space which allows the bottom of the storage tank to be lifted off the ground;
b) the utility model can effectively avoid the tank bottom damage or the tank wall foot occurrence caused by the over-height of the tank bottom lifting in the late earthquake stage, and realize the anchoring;
c) the utility model overcomes the defect of high local stress of the rigid anchoring structure, and effectively reduces the thickness of the bottom ring belt plate;
d) the utility model is particularly suitable for the anti-seismic anchoring of the storage tank and the low-temperature storage tank with larger height-diameter ratio and determined by anti-seismic calculation, and can effectively improve the safety of the storage tank;
drawings
Fig. 1 is a detailed view of the anchoring structure of the present invention.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic view of the overall arrangement of the anchor belt and the rotating shaft support.
Fig. 4 is a detailed view of the rotating shaft support.
Fig. 5 is a detailed view of the shaft.
In the drawings: 1-anchoring belt, 2-clip, 3-limiting plate, 4-backing plate, 5-reinforcing ring, 6-rotating shaft, 7-fixing nut, 8-rotating shaft support, 9-support anchor bolt, 10-bottom plate and 11-end plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in figure 1 and figure 2, vertical storage tank is with flexible anchor structure of antidetonation, take 1, checkpost 2, limiting plate 3, backing plate 4, reinforcing ring 5, pivot 6, fixation nut 7, pivot support 8, support crab-bolt 9 including the anchor.
The outer wall of the storage tank is welded with a base plate 4, and the distance from the central line of the base plate to the upper surface of the bottom plate of the storage tank is less than or equal to 0.8 m. The backing plate 4 is welded with the clips 2, and gaps allowing the anchoring belts 1 to be inserted are reserved between the clips 2 and the backing plate 4.
The inner wall of the storage tank is welded with a reinforcing ring 5 at a corresponding elevation with the base plate 4, and the height of a weld corner between the reinforcing ring 5 and the tank wall is not less than 0.8 time of the thickness of the reinforcing ring 5 and the thickness of a thin part of the tank wall.
A rotating shaft support 8 is fixed on the storage tank base through a support anchor bolt 9, the rotating shaft support 8 is composed of a bottom plate 10 and three end plates 11, and a rotating shaft 6 is fixed between the end plates 11 through a fixing nut 7.
One end of the anchoring belt 1 penetrates through a gap between the clamp 2 and the backing plate 4 and is fixed through the limiting plate 3, and the anchoring belt is required to be tensioned when the limiting plate 3 is welded, so that the overlarge gap between the limiting plate 3 and the clamp 2 is prevented; the other end of the anchoring belt 1 is provided with a round hole and fixed on the rotating shaft 6 and can rotate around the rotating shaft 6.
Two anchoring belts 1 are simultaneously fixed on the rotating shaft support 8, and the two anchoring belts 1 can independently rotate around the same rotating shaft 6 without mutual influence.
As shown in fig. 3 and 4, the anchoring bands 1 are arranged in a cross manner, every two anchoring bands are in a group, and the linear distance between each rotating shaft support 8 is less than or equal to 1.2 m.
As shown in fig. 5, the two ends of the rotating shaft 6 should be threaded with corresponding sizes.
The size of the anchoring band 1 and the diameter of the rotating shaft 6 are determined by calculating the pull-down stress of the allowable lifting height of the storage tank.
At the early stage of earthquake, when the bottom plate of the storage tank is lifted away, the bottom plate of the storage tank rotates by a certain angle through each group of anchoring belts 1, the bottom of the tank is allowed to be lifted away from the ground in a micro-scale manner, certain earthquake energy is released, the groups of anchoring belts 1 are gradually tightened along with the lifting of the bottom of the tank, the energy at the last stage of earthquake is resisted, the damage to the bottom of the tank or the foot buckling of the wall of the tank caused by the overhigh lifting of the bottom of the tank is avoided, and.
The above-mentioned specific embodiments further explain in detail the technical problems and technical solutions of the present invention. It should be understood that the above description is only exemplary of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. A seismic-resistant flexible anchoring structure for a vertical storage tank is characterized by comprising an anchoring belt (1), a clamp (2), a limiting plate (3), a base plate (4), a reinforcing ring (5), a rotating shaft (6), a fixing nut (7), a rotating shaft support (8) and a support anchor bolt (9), and is arranged between the outer wall of the storage tank and a storage tank foundation to realize anchoring; a backing plate (4) is welded on the outer wall of the storage tank, a clamp (2) is welded on the backing plate (4), and a gap allowing the anchoring belt (1) to be inserted is reserved between the clamp (2) and the backing plate (4); a reinforcing ring (5) is welded on the inner wall of the storage tank and the corresponding elevation of the base plate (4); a rotating shaft support (8) is fixed on the basis of the storage tank by adopting a support anchor bolt (9); one end of the anchoring belt (1) penetrates through a gap between the clamp (2) and the base plate (4) and is fixed through the limiting plate (3), and the other end of the anchoring belt is provided with a round hole fixed on the rotating shaft (6) and can rotate around the rotating shaft (6).
2. An aseismatic flexible anchoring structure for vertical tanks, according to claim 1, characterized in that the pivot support (8) consists of a bottom plate (10) and three end plates (11) between which the pivot (6) is fixed by means of the fixing nut (7).
3. An aseismatic flexible anchoring structure for vertical storage tanks, according to claim 1, characterized in that said anchoring bands (1) are grouped in groups of two each, in a crossed arrangement.
4. The anti-seismic flexible anchoring structure for the vertical storage tank according to claim 1, wherein two anchoring belts (1) are simultaneously fixed on one rotating shaft support (8), and the two anchoring belts (1) can independently rotate around the same rotating shaft (6) without mutual influence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922010059.XU CN211253805U (en) | 2019-11-20 | 2019-11-20 | Anti-seismic flexible anchoring structure for vertical storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922010059.XU CN211253805U (en) | 2019-11-20 | 2019-11-20 | Anti-seismic flexible anchoring structure for vertical storage tank |
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| Publication Number | Publication Date |
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| CN211253805U true CN211253805U (en) | 2020-08-14 |
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| CN201922010059.XU Active CN211253805U (en) | 2019-11-20 | 2019-11-20 | Anti-seismic flexible anchoring structure for vertical storage tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879561A (en) * | 2021-01-12 | 2021-06-01 | 桂林理工大学 | Support structure suitable for vertical pressure vessel |
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2019
- 2019-11-20 CN CN201922010059.XU patent/CN211253805U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879561A (en) * | 2021-01-12 | 2021-06-01 | 桂林理工大学 | Support structure suitable for vertical pressure vessel |
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