CN210460134U - Double-pipe constraint type self-resetting buckling-restrained brace device based on belleville springs - Google Patents
Double-pipe constraint type self-resetting buckling-restrained brace device based on belleville springs Download PDFInfo
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- CN210460134U CN210460134U CN201921137907.7U CN201921137907U CN210460134U CN 210460134 U CN210460134 U CN 210460134U CN 201921137907 U CN201921137907 U CN 201921137907U CN 210460134 U CN210460134 U CN 210460134U
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- 238000005265 energy consumption Methods 0.000 claims abstract description 22
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims description 17
- 230000000452 restraining effect Effects 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 49
- 239000010959 steel Substances 0.000 abstract description 49
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 210000002435 tendon Anatomy 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model provides a double-pipe constraint type self-resetting buckling restrained brace device based on belleville springs, which comprises an inner constraint pipe, an outer constraint pipe, a core energy dissipation pipe, two guide pipes, two positioning plates, two inner end plates, two outer end plates, two positioning end plates, two connecting end plates and two groups of belleville springs; one end of each positioning plate is inserted into two ports of the inner constraint steel pipe respectively, the positioning plates and the inner constraint steel pipes are inserted into the core energy consumption steel pipes, and the two ends of the core energy consumption steel pipes and the ports, far away from the inner constraint steel pipes, of the two positioning plates are fixedly connected with positioning end plates respectively. According to the double-pipe constraint type self-resetting buckling restrained brace device based on the belleville springs, the self-resetting restoring force is provided by the belleville springs connected in series and in parallel, the mechanical property of the belleville springs is stable, the elastic restoring force of the brace in the using process can be guaranteed to be equivalent to the design level, no stress loss exists, and therefore the brace has stable self-resetting capability.
Description
Technical Field
The utility model relates to an energy consumption supports the field, specifically indicates a buckling restrained brace device based on belleville spring and manufacturing method thereof.
Background
With the demand of times development, civil engineering and structural engineering in China face a series of serious challenges. On the one hand, due to the uncertainty and complexity of seismic action, the structure may suffer from seismic action greater than the intensity of fortification causing severe damage to the structural members; on the other hand, even if the structure does not collapse after suffering from a fortification intensity earthquake, part of special components are seriously damaged and cannot be reinforced and repaired, so that the structure can only be pushed down to be rebuilt, and huge waste is caused.
The recoverable functional structure provides an effective solution to the above-mentioned problems. The restorable functional structure is a novel shock absorption control structure and mainly comprises a replaceable structural component, a swinging structure, a self-resetting structure and the like. To realize this architecture, self-resetting components have become one of the major research points in recoverable functional structures.
The self-resetting buckling restrained brace is greatly researched by scholars at home and abroad due to good energy consumption capability and self-resetting capability, but has some obvious defects. Firstly, one of the main forms of the existing self-resetting buckling-restrained brace is to combine a concrete energy-consuming inner core with unbonded prestressed tendons, and the brace is heavy and inconvenient to install; the prestressed tendons cannot give full play to the performance of the prestressed tendons, so that the supporting performance is unstable, the tension-compression hysteresis is asymmetric, and the energy consumption capability is reduced; there is a loss of prestress resulting in a significant difference in the performance of the support in service from the design performance. Secondly, the buckling-restrained brace member constrained by the square sleeve has obvious weak and strong axes, and buckling instability of the brace along the weak axis under the action of an earthquake can be caused by considering the randomness of the earthquake; the conventional circular steel pipe restrained buckling-restrained brace needs to be provided with a plurality of welding seams at the end part, so that the construction is difficult. Finally, the compactness has great influence on the bearing capacity and the buckling mode of the concrete filling type buckling restrained brace, and the energy consumption capability of the brace is seriously influenced due to improper manufacture.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dual pipe is about type from restoring to throne buckling restrained brace device based on belleville spring solves the problem of record among the background art.
In order to solve the technical problem, the utility model provides a double-pipe constraint type self-resetting buckling restrained brace device based on a belleville spring, which comprises an inner constraint pipe, an outer constraint pipe, a core energy dissipation pipe, two guide pipes, two positioning plates, two inner end plates, two outer end plates, two connecting end plates, two groups of belleville springs and two positioning end plates;
one end of each of the two positioning plates is respectively inserted into two ports of the inner restraining tube, one of the two positioning plates is welded with the inner wall of the inner restraining tube, and the other positioning plate is spaced from the inner wall of the inner restraining tube by a certain distance; the positioning plates and the inner constraint pipe are inserted into the core energy consumption pipe, and the two ends of the core energy consumption pipe and the ports of the two positioning plates far away from the inner constraint pipe are respectively and fixedly connected with the positioning end plates;
one end of each of the two guide tubes is inserted into the two groups of belleville springs respectively; the length of the conduit is longer than that of the belleville spring; one end of the guide pipe is fixedly connected with one surface of the positioning end plate, which is back to the core energy consumption pipe; the inner end plate is provided with a first abdicating hole, and one end of the conduit, which is far away from the inner end plate, penetrates through the first abdicating hole, so that the inner end plate is abutted against one end, which is far away from the inner end plate, of the belleville spring;
the guide pipe, the belleville spring, the auxiliary plate, the inner end plate, the positioning plate, the inner constraint pipe and the core energy dissipation pipe are all inserted into the outer constraint pipe; one end of the guide pipe, which is far away from the inner end plate, extends out of the port of the outer constraint pipe;
the two outer end plates are respectively provided with a second abdicating hole, one end of the conduit, which is far away from the inner end plate, penetrates through the second abdicating holes of the outer end plates, and two ends of the outer constraint pipe are fixedly connected to the outer end plates; a screw hole is formed in the outer end plate, pre-pressure is adjusted by adjusting the depth of a bolt rod screwed into the screw hole, and one end of the bolt rod abuts against the inner end plate; one end of the conduit far away from the inner end plate is fixedly connected with the connecting end plate.
In a preferred embodiment: the difference between the inner diameter of the outer restraining tube and the diameter of the inner end plate is smaller than the difference between the inner diameter of the outer restraining tube and the outer diameter of the core energy dissipation tube.
In a preferred embodiment: the positioning plate and the core energy dissipation pipe are fixed on the positioning end plate through welding; the guide pipe is fixed on the positioning end plate through welding; the guide pipe is fixed on the connecting end plate through welding.
In a preferred embodiment: the core energy consumption pipe, the inner constraint pipe and the outer constraint pipe are all round pipes.
In a preferred embodiment: the locating plate specifically is the cross locating plate, the connection end plate specifically is the cross connecting plate.
Compared with the prior art, the technical scheme of the utility model possess following beneficial effect:
1. the utility model provides a pair of double pipe restraint type is from restoring to throne buckling restrained brace device based on belleville spring, restore to provide by the belleville spring through the series-parallel connection together from restoring to throne, belleville spring mechanical properties is stable, can guarantee to support elasticity restoring to match with the design level in the use, and does not have loss of stress to make the support have stable ability from restoring to throne.
2. The utility model provides a pair of about-type is from restoring to throne buckling restrained brace device for dual pipe based on belleville spring, each axle of centroid has the same moment of inertia and inertia, does not have strong and weak axle for the cross section of triple circular steel pipe built-up member to the risk of weak axle unstability has been avoided at random earthquake effect under bracing.
3. The utility model provides a pair of dual pipe restraint type is from restoring to throne buckling restrained brace device based on belleville spring, for full steel is from restoring to throne buckling restrained brace, the restraint component comprises two circular steel pipes that have higher confined strength, need not fill the concrete, does not have the adverse effect that the concrete compactness is not enough to bring, has the dead weight light, is convenient for the job site hoist and mount, can realize the component weight, during the specially adapted structure antidetonation is consolidated.
4. The utility model provides a pair of about type is from restoring to throne buckling restrained brace device for dual pipe based on belleville spring, the precompression is still accurate controllable when having machining error, and supports both sides belleville spring and be in the same pre-compaction level, can guarantee also to have from the restoring to throne the ability when supporting the pressurized to the guarantee is supported and is drawn and press hysteresis curve symmetry, makes the stable performance of supporting the atress.
Drawings
Fig. 1 is an overall structural front view of a buckling restrained brace device based on a belleville spring in a preferred embodiment of the present invention;
fig. 2 is a partially enlarged schematic view (one) of the overall structure front view of the buckling restrained brace device based on the belleville spring in the preferred embodiment of the present invention;
fig. 3 is a partially enlarged schematic view (ii) of the overall structure of the buckling restrained brace device based on the belleville springs in the preferred embodiment of the present invention;
fig. 4 is a sectional view a-a of the overall structure of the buckling restrained brace device based on the belleville springs in the preferred embodiment of the present invention;
fig. 5 is a sectional view B-B of the overall structure of the buckling restrained brace apparatus based on the belleville springs in the preferred embodiment of the present invention;
fig. 6 is a cross-sectional view of the whole structure of the buckling restrained brace device based on the belleville springs according to the preferred embodiment of the present invention.
Detailed Description
The invention is further described with reference to the drawings and the detailed description.
A double-pipe constraint type self-resetting buckling restrained brace device based on belleville springs is disclosed, and with reference to figures 1 to 6, the device comprises an inner constraint steel pipe 1, an outer constraint steel pipe 2, a core energy consumption steel pipe 3, two guide pipes 6, two positioning plates 4, two positioning end plates 5, two outer end plates 8, two inner end plates 7, two connecting end plates 10 and two groups of belleville springs 11;
specifically, one end of each positioning plate 4 is inserted into two ports of the inner constraint steel tube 1, one positioning plate 4 is welded to the inner wall of the inner constraint steel tube 1, and the other positioning plate is spaced from the inner wall of the inner constraint steel tube 1 by a certain distance; the positioning plates 4 and the inner constraint steel pipes 1 are inserted into the core energy dissipation steel pipes 3, and the positioning end plates 5 are fixedly connected to two ends of the core energy dissipation steel pipes 3 and ports, far away from the inner constraint steel pipes 1, of the two positioning plates 4; one ends of the guide tubes 6 are respectively inserted into the belleville springs 11; the length of the conduit 6 is longer than that of the belleville spring 11; one end of the guide pipe 6 is fixedly connected with one surface of the positioning end plate 5, which is back to the core energy consumption steel pipe 3; the inner end plate 7 is provided with a first abdicating hole, one end of the conduit 6 far away from the positioning end plate 5 penetrates through the first abdicating hole, so that the inner end plate 7 is abutted against one end of the belleville spring 11 far away from the positioning end plate 5; the guide pipe 6, the belleville spring 11, the inner end plate 7, the positioning end plate 5, the positioning plate 4, the inner constraint steel pipe 1 and the core energy consumption steel pipe 3 are all inserted into the outer constraint steel pipe 2; one end of the guide pipe 6, which is far away from the positioning end plate 5, extends out of the port of the external constraint steel pipe 2; the outer end plates 8 are provided with second abdicating holes, one end of the guide pipe 6 far away from the positioning end plate 5 penetrates through the second abdicating holes of the outer end plates 8, and two ends of the outer constraint steel pipe 2 are fixedly connected to the outer end plates 8; a screw hole is formed in the outer end plate 8, pre-pressure is adjusted by adjusting the depth of a bolt rod 9 screwed into the screw hole, and one end of the bolt rod 9 abuts against the inner end plate 7; one end of the guide pipe 6 far away from the positioning end plate 5 is fixedly connected with the connecting end plate 10.
Specifically, the difference between the inner diameter of the outer restraining steel pipe 2 and the diameter of the positioning end plate 5 is smaller than the difference between the inner diameter of the outer restraining steel pipe 2 and the outer diameter of the core energy-consuming steel pipe 3. The positioning plate 4 is inserted into the inner constraint steel pipe 1; the positioning plate 4 and the core energy-consumption steel pipe 3 are fixed on the positioning end plate 5 through welding; the guide pipe 6 is fixed on the positioning end plate 5 through welding; the pipe 6 fixes the connection end plate 10 by welding.
Specifically, the core energy consumption steel pipe 3, the inner constraint steel pipe 1 and the outer constraint steel pipe 2 are all round steel pipes. The locating plate 4 specifically is cross locating plate 4, the connection end plate 10 specifically is the cross connecting plate.
The embodiment also provides a manufacturing method of the buckling restrained brace device based on the belleville spring, which comprises the following steps of;
1) welding a positioning plate 4 and a guide pipe 6 on a positioning end plate 5, and then welding the core energy-consuming steel pipe 3 with the positioning end plate to form a first component;
2) welding the other positioning plate 4 and the other guide pipe 6 on the other positioning end plate 5, and then welding the positioning plate 4 and the inner constraint steel pipe 1 together to form a second component; the welding length may be 30mm to 50 mm.
3) Sleeving a core energy-consuming steel pipe of the first component outside the inner constraint steel pipe 1 of the second component, and welding the core energy-consuming steel pipe and a positioning end plate 4 of the second component together to form a third component;
4) sleeving the belleville springs 11 on the guide pipes 6 at the left end and the right end of the member III in a series-parallel connection mode to form a member IV;
5) respectively placing the inner end plates 7 at two sides of the belleville springs 11, sleeving the outer constraint steel pipes 2 outside the member four, respectively penetrating the guide pipes 6 from the left side and the right side of the two outer end plates 8, then welding the two outer end plates with the outer constraint steel pipes 2 together, and screwing the bolt rods 9 on bolt holes of the outer end plates 8 to form a member five;
6) one end of the connection end plate 10 is inserted into the opening of the outer end plate 8 of the member five, and the connection end plate 10 is welded and fixed to the guide pipe 6.
A certain gap is reserved between the positioning end plate 5 and the external constraint steel pipe 2 to ensure that the core energy consumption steel pipe 3 can freely move in the external constraint steel pipe 2; a certain gap is formed between the core energy consumption steel pipe 3 and the outer constraint steel pipe 2 to ensure that the core energy consumption component has certain transverse deformation, and then the core energy consumption component can yield and consume energy.
According to the double-pipe constraint type self-resetting buckling restrained brace device based on the belleville springs, the self-resetting restoring force is provided by the belleville springs connected in series and in parallel, the mechanical property of the belleville springs is stable in the using process, the elastic restoring force of the brace is equivalent to the design level in the using process, and no stress loss exists, so that the brace has stable self-resetting.
In addition, each shaft of the cross section over centroid of the triple circular steel pipe combined member in the device has the same inertia moment and rotational inertia, and a strong shaft and a weak shaft do not exist, so that the risk of instability of the support along the weak shaft under the random earthquake action is avoided.
The utility model discloses an all steel is from restoring to throne buckling restrained brace, and the restraint component comprises two circular steel pipes that have higher confined intensity, need not fill the concrete, does not have the not enough adverse effect that brings of concrete compactness, has the dead weight light, the job site hoist and mount of being convenient for, can realize the component lightweight, in the specially adapted structure antidetonation reinforcement.
The utility model discloses a from prestressing force of bucking buckling restrained brace that restores to throne even still accurate controllable when having machining error, and support both sides disc spring and be in the same pre-compaction level, can guarantee also to have from the restoring to throne ability when supporting the pressurized to the guarantee is supported and is drawn pressure hysteresis curve symmetry, makes the stable performance of supporting the atress performance.
The above, only be the preferred embodiment of the present invention, but the design concept of the present invention is not limited to this, and any skilled person familiar with the technical field is in the technical scope disclosed in the present invention, and it is right to utilize this concept to perform insubstantial changes to the present invention, all belong to the act of infringing the protection scope of the present invention.
Claims (5)
1. A double-pipe constraint type self-resetting buckling restrained brace device based on belleville springs is characterized by comprising an inner constraint pipe, an outer constraint pipe, a core energy dissipation pipe, two guide pipes, two positioning plates, two inner end plates, two outer end plates, two connecting end plates, two groups of belleville springs and two positioning end plates;
one end of each of the two positioning plates is respectively inserted into two ports of the inner restraining tube, one of the two positioning plates is welded with the inner wall of the inner restraining tube, and the other positioning plate is spaced from the inner wall of the inner restraining tube by a certain distance; the positioning plates and the inner constraint pipe are inserted into the core energy consumption pipe, and the two ends of the core energy consumption pipe and the ports of the two positioning plates far away from the inner constraint pipe are respectively and fixedly connected with the positioning end plates;
one end of each of the two guide tubes is inserted into the two groups of belleville springs respectively; the length of the conduit is longer than that of the belleville spring; one end of the guide pipe is fixedly connected with one surface of the positioning end plate, which is back to the core energy consumption pipe; the inner end plate is provided with a first abdicating hole, and one end of the conduit, which is far away from the inner end plate, penetrates through the first abdicating hole, so that the inner end plate is abutted against one end, which is far away from the inner end plate, of the belleville spring;
the guide pipe, the belleville spring, the auxiliary plate, the inner end plate, the positioning plate, the inner constraint pipe and the core energy dissipation pipe are all inserted into the outer constraint pipe; one end of the guide pipe, which is far away from the inner end plate, extends out of the port of the outer constraint pipe;
the two outer end plates are respectively provided with a second abdicating hole, one end of the conduit, which is far away from the inner end plate, penetrates through the second abdicating holes of the outer end plates, and two ends of the outer constraint pipe are fixedly connected to the outer end plates; a screw hole is formed in the outer end plate, pre-pressure is adjusted by adjusting the depth of a bolt rod screwed into the screw hole, and one end of the bolt rod abuts against the inner end plate; one end of the conduit far away from the inner end plate is fixedly connected with the connecting end plate.
2. The dual tube restraint type self-resetting buckling restrained brace device based on belleville springs as claimed in claim 1, wherein the difference between the inner diameter of the outer restraint tube and the diameter of the inner end plate is smaller than the difference between the inner diameter of the outer restraint tube and the outer diameter of the core energy dissipation tube.
3. The dual-tube restraining type self-resetting buckling restrained brace device based on belleville springs as claimed in claim 1, wherein the positioning plate and the core energy dissipation tube are fixed on the positioning end plate by welding; the guide pipe is fixed on the positioning end plate through welding; the guide pipe is fixed on the connecting end plate through welding.
4. The dual-tube constraint type self-resetting buckling restrained brace device based on belleville springs as claimed in claim 1, wherein the core energy dissipation tube, the inner constraint tube and the outer constraint tube are all round tubes.
5. The dual pipe restraint type self-resetting buckling restrained brace device based on belleville springs as claimed in claim 1, wherein the positioning plate is a cross-shaped positioning plate, and the connecting end plate is a cross-shaped connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921137907.7U CN210460134U (en) | 2019-07-18 | 2019-07-18 | Double-pipe constraint type self-resetting buckling-restrained brace device based on belleville springs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921137907.7U CN210460134U (en) | 2019-07-18 | 2019-07-18 | Double-pipe constraint type self-resetting buckling-restrained brace device based on belleville springs |
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| CN210460134U true CN210460134U (en) | 2020-05-05 |
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| CN201921137907.7U Expired - Fee Related CN210460134U (en) | 2019-07-18 | 2019-07-18 | Double-pipe constraint type self-resetting buckling-restrained brace device based on belleville springs |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528946A (en) * | 2019-07-18 | 2019-12-03 | 华侨大学 | Dual pipe restricted type Self-reset anti-flexure support device based on butterfly spring |
| CN111706141A (en) * | 2020-06-05 | 2020-09-25 | 重庆大学 | Full-assembly three-section type buckling-restrained energy-dissipation brace |
| CN113152710A (en) * | 2021-03-17 | 2021-07-23 | 河北工业大学 | Self-resetting reciprocating energy-consumption buckling-restrained brace |
| CN113187104A (en) * | 2021-05-27 | 2021-07-30 | 扬州工业职业技术学院 | Friction energy consumption self-resetting full-assembly type node |
| CN114960948A (en) * | 2022-06-29 | 2022-08-30 | 西安建筑科技大学 | Steel bar constraint circular steel tube component with slidable end sleeve |
| CN114960949A (en) * | 2022-06-29 | 2022-08-30 | 西安建筑科技大学 | End rigidity lifting steel bar constraint circular steel tube component |
-
2019
- 2019-07-18 CN CN201921137907.7U patent/CN210460134U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528946A (en) * | 2019-07-18 | 2019-12-03 | 华侨大学 | Dual pipe restricted type Self-reset anti-flexure support device based on butterfly spring |
| CN110528946B (en) * | 2019-07-18 | 2023-12-29 | 华侨大学 | Double-tube constraint type self-resetting buckling-restrained supporting device based on belleville springs |
| CN111706141A (en) * | 2020-06-05 | 2020-09-25 | 重庆大学 | Full-assembly three-section type buckling-restrained energy-dissipation brace |
| CN113152710A (en) * | 2021-03-17 | 2021-07-23 | 河北工业大学 | Self-resetting reciprocating energy-consumption buckling-restrained brace |
| CN113187104A (en) * | 2021-05-27 | 2021-07-30 | 扬州工业职业技术学院 | Friction energy consumption self-resetting full-assembly type node |
| CN113187104B (en) * | 2021-05-27 | 2022-05-17 | 扬州工业职业技术学院 | Friction energy consumption is from restoring to throne full assembled node |
| CN114960948A (en) * | 2022-06-29 | 2022-08-30 | 西安建筑科技大学 | Steel bar constraint circular steel tube component with slidable end sleeve |
| CN114960949A (en) * | 2022-06-29 | 2022-08-30 | 西安建筑科技大学 | End rigidity lifting steel bar constraint circular steel tube component |
| CN114960949B (en) * | 2022-06-29 | 2024-04-09 | 西安建筑科技大学 | End rigidity lifting steel bar constraint round steel pipe member |
| CN114960948B (en) * | 2022-06-29 | 2024-08-09 | 西安建筑科技大学 | Steel bar constraint round steel pipe component with slidable end sleeve |
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