CN218436597U - Self-resetting steel structure pier - Google Patents
Self-resetting steel structure pier Download PDFInfo
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- CN218436597U CN218436597U CN202221401255.5U CN202221401255U CN218436597U CN 218436597 U CN218436597 U CN 218436597U CN 202221401255 U CN202221401255 U CN 202221401255U CN 218436597 U CN218436597 U CN 218436597U
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Abstract
A self-resetting steel structure pier comprises: the beam column steel frame is a frame structure of at least two layers of rectangular frames, wherein the rectangular frames are composed of at least two steel columns and a plurality of steel cross beams; the self-resetting energy dissipation damper is arranged in a rectangular frame on the beam-column steel frame; the self-resetting energy-consuming damper comprises a body with a cavity, a rotatable friction plate which is rotatably arranged in the cavity of the body through a central shaft, a transmission connecting rod with one end pivotally connected with the rotatable friction plate and the other end extending out of the body, and a reset spring sleeved on the transmission connecting rod; one end of the reset spring is fixed on the transmission connecting rod, and the other end of the reset spring is fixed on the inner wall of the body; the transmission connecting rod pivot is arranged at a beam column node on the beam column steel frame; the upper part and the lower part of the energy-consuming steel plate extend towards two sides respectively to form an I-shaped or dumbbell-shaped structure; the energy dissipation steel plate is arranged in a rectangular frame which is arranged above or below the self-reset energy dissipation damper on the beam column steel frame.
Description
Technical Field
The utility model belongs to the technical field of engineering antidetonation shock attenuation technique and specifically relates to a from reset steel construction pier is related to.
Background
When the self-resetting bridge pier is under the action of earthquake load, the bottom of the pier column is separated from the bearing platform, and the pier column is restored to the original position after the earthquake under the action of the self-resetting assembly, so that the self-resetting function is realized. At present, the self-resetting member of the assembly type self-resetting pier is mostly provided with unbonded prestressed tendons, can provide more continuous and stable prestress, improves the transverse rigidity of the pier, is favorable for reducing the residual displacement of the pier after earthquake, has better earthquake-resistant effect, and generally adopts high-strength steel bars or steel strands on the material.
Many scholars at home and abroad design a series of self-resetting pier structures, and the pier structures can consume seismic energy through prestressed reinforcements or dampers and can keep a good state after strong earthquake. But also brought some problems simultaneously, a lot of rocking pier foot concrete destruction is serious for the repair cycle is longer after the earthquake, influences the going on of work of disaster relief.
Disclosure of Invention
The utility model aims at designing a from reset steel structure pier, structural stability is strong, and the energy consumption original paper rigidity that resets is adjustable, can be under the condition that does not change attenuator overall structure, through the clamping degree of adjustment fixed friction disc to rotatable friction piece, change the frictional force size, simultaneously, can also realize quick the reseing under reset spring's spring force by loosening the clamping degree of fixed friction disc to rotatable friction piece after the calamity, make the pier structure that has taken place the deformation, reduce the restoration cost; moreover, the bridge pier is made of a steel structure, so that the material strength is high, the weight is light, the bridge pier is manufactured in a whole factory, the material can be recycled, and the bridge pier is green and environment-friendly.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a self-resetting steel structure pier comprises:
the beam column steel frame is a frame structure of at least two layers of rectangular frames, wherein the rectangular frames are composed of at least two steel upright columns and a plurality of steel cross beams;
the self-resetting energy dissipation damper is arranged in a rectangular frame on the beam column steel frame, and an upper fixing groove is formed in the lower surface of a steel cross beam positioned at the upper part of the rectangular frame along the length direction; a lower fixing groove is arranged on the upper surface of the steel beam positioned at the lower part in the rectangular frame along the length direction; the upper end and the lower end of the self-resetting energy dissipation damper arranged in the rectangular frame are respectively fixed on the upper fixing groove and the lower fixing groove; the self-resetting energy dissipation damper comprises a body with a cavity, a rotatable friction plate which is rotatably arranged in the cavity of the body through a central shaft, a transmission connecting rod of which one end is pivotally connected with the rotatable friction plate and the other end extends out of the body, and a reset spring sleeved on the transmission connecting rod; one end of the reset spring is fixed on the transmission connecting rod, and the other end of the reset spring is fixed on the inner wall of the body; the transmission connecting rod pivot is arranged at a beam column node on the beam column steel frame;
the upper part and the lower part of the energy-consuming steel plate extend towards two sides respectively to form an I-shaped or dumbbell-shaped structure; the energy dissipation steel plate is arranged in a rectangular frame arranged above or below the self-reset energy dissipation damper on the beam column steel frame, and the upper end and the lower end of the energy dissipation steel plate are respectively fixed on the lower surface and the upper surface of a steel cross beam positioned above and below the rectangular frame.
Preferably, the self-resetting dissipative damper comprises:
the body, it is made up of first fixed friction disc, second fixed friction disc, these two fixed friction discs are relatively set up, there are circular grooves in the middle part of its relative medial surface, and, one side of circular groove sets up and link up with it and form the guide slot of the side opening of the fixed friction disc; after the first and second fixed friction plates are jointed, the respective circular grooves and the guide grooves are jointed to form a cavity with an opening on the side surface;
the rotatable friction plate is circular, is connected to the center of a cavity formed by the first fixed friction plate and the second fixed friction plate of the body through a pivot shaft with a central shaft at the center, and the thickness of the rotatable friction plate is matched with the depth of the cavity and is contacted with the first fixed friction plate and the second fixed friction plate; the outer edge of one side of the rotatable friction plate, which corresponds to the guide groove, is convexly provided with a connecting part;
one end of the transmission connecting rod is pivotally connected to the connecting part of the rotatable friction plate, and the other end of the transmission connecting rod extends out of the first fixed friction plate and the second fixed friction plate from the opening of the cavity and is connected with a beam column node on the beam column steel frame;
the reset spring is sleeved on the transmission connecting rod, one end of the reset spring is fixed on the transmission connecting rod, and the other end of the reset spring is fixed on the inner walls of the first fixed friction plate and the second fixed friction plate of the body.
Preferably, the distance between the rotatable friction plate and the first fixed friction plate or the second fixed friction plate is adjustable.
Preferably, one end of the transmission connecting rod of the self-resetting energy-consuming damper is respectively provided with a connecting groove for the connection part of the rotatable friction plate to be inserted.
Preferably, the upper and lower ends of the first and second fixed friction plates of the self-resetting dissipative damper are respectively provided with an upper and lower supporting seats.
Preferably, the outer side end of the transmission connecting rod is provided with a connecting support connected with a beam-column joint on the beam-column steel frame.
Preferably, the outer side end of the transmission connecting rod is provided with a connecting groove for the connection support to be inserted.
Compare with traditional pier from restoring to throne, the utility model has the advantages of:
1. the utility model discloses structural stability is strong, and the power consumption original paper rigidity that resets is adjustable, can be under the condition that does not change attenuator overall structure, through the tight degree of clamp of adjustment fixed friction disc to rotatable friction piece, change frictional force size to adapt to different application scenes, be favorable to the standardized production preparation of attenuator product. Meanwhile, after a disaster, the clamping degree of the fixed friction plate to the rotatable friction plate can be loosened, so that the pier structure which is deformed can be quickly reset under the spring force of the reset spring, and the repair cost is reduced.
2. The pier adopts the steel structure, and the material is recoverable, green.
3. The pier adopts a steel structure, can be manufactured in a whole factory, ensures the quality, shortens the field construction period, is light in weight and high in strength, is beneficial to the transportation and construction of the pier, and reduces the transportation and construction cost.
4. The pier adopts the steel construction, and material strength is high, and the quality is light, can the significantly reduced structure dead weight to reduce and bring seismic action by the dead weight, save pier structure material, reduce material cost.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a perspective view of the body in the embodiment of the present invention;
fig. 3 is a perspective view of an energy consumption steel plate in the embodiment of the present invention;
fig. 4 is a perspective view of a self-resetting energy-consuming damper 1 according to an embodiment of the present invention;
fig. 5 is a perspective view 2 of a self-resetting dissipative damper according to an embodiment of the present invention;
fig. 6 is a perspective view of a first fixed friction plate of the self-resetting energy-consuming damper in the embodiment of the present invention;
fig. 7 is a perspective view of a second fixed friction plate of the self-resetting energy-consuming damper in the embodiment of the present invention;
fig. 8 is a perspective view of a rotatable friction plate of the self-resetting dissipative damper according to an embodiment of the present invention;
fig. 9 is a perspective view of the embodiment of the present invention showing the cooperation of the self-resetting energy-consuming damper, the transmission link and the support.
Detailed Description
Referring to fig. 1-9, the utility model discloses a from restoring to throne steel construction pier, it includes:
the beam column steel frame 1 is a frame structure which is composed of two steel upright columns 11 and a plurality of steel cross beams 12 and at least comprises upper and lower layers of rectangular frames 101-103;
the self-resetting energy-consuming damper 2 is arranged in a rectangular frame 101 on the beam-column steel frame 1, and an upper fixing groove is formed in the lower surface of a steel cross beam 12 positioned at the upper part of the rectangular frame 101 along the length direction; a lower fixing groove is arranged on the upper surface of the steel beam 12 positioned at the lower part in the rectangular frame 101 along the length direction; the upper end and the lower end of the self-resetting energy-consumption damper 2 arranged in the rectangular frame 101 are respectively fixed on the upper fixing groove and the lower fixing groove;
the self-resetting energy-consuming damper 2 comprises a body 21 with a cavity, a rotatable friction plate 22 which is rotatably arranged in the cavity of the body 21 through a central shaft, a transmission connecting rod 23 with one end pivotally connected with the rotatable friction plate 22 and the other end extending out of the body 21, and a resetting spring 24 sleeved on the transmission connecting rod 23; one end of the return spring 24 is fixed on the transmission connecting rod 23, and the other end is fixed on the inner wall of the body 21; the transmission connecting rod 23 is pivotally arranged at a beam column node on the beam column steel frame 1;
the upper and lower parts of the two energy dissipation steel plates 3 and 3' (taking the energy dissipation steel plate 3 as an example, the lower part is the same) extend towards two sides respectively to form an I-shaped or dumbbell-shaped structure; the energy consumption steel plates 3 and 3' are arranged in rectangular frames 102 and 103 arranged below the self-resetting energy consumption damper 2 on the beam column steel frame 1, and the upper end and the lower end of the energy consumption steel plate 3 are respectively fixed on the lower surface and the upper surface of a steel cross beam positioned above and below the rectangular frames 102 and 103.
Referring to fig. 4 to 9, the self-resetting dissipative damper 2 includes:
the body 21, it is made up of first fixed friction plate 211, second fixed friction plate 212, these two fixed friction plates are set up oppositely, there are circular grooves 2111, 2121 in the middle of their relative inner side, and, circular groove 2111, 2121 one side set up run through and form the guide slot 2112, 2122 of the side opening of this fixed friction plate with it; after the first and second fixed friction plates 211 and 212 are jointed, the respective circular grooves 2111 and 2121 and the guide grooves 2112 and 2122 are jointed to form a cavity 200 with a side opening;
the rotatable friction plate 22 is circular, is pivotally connected to the center of the cavity 200 formed by the first and second fixed friction plates 211 and 212 through a central shaft 23 arranged at the center, the thickness of the rotatable friction plate 22 is matched with the depth of the cavity 100, and the rotatable friction plate is contacted with the first and second fixed friction plates 211 and 212; the rotatable friction plate 22 is provided with a connecting part 221 corresponding to the outer edge of one side of the guide grooves 2112 and 2122;
one end of the transmission link 24 is pivotally connected to the connecting portion 221 of the rotatable friction plate 22, and the other end of the transmission link extends out of the first and second fixed friction plates 211, 212 from the opening of the cavity 200 and is connected to the beam-column node on the beam-column steel frame 1.
And the return spring 25 is sleeved on the transmission connecting rod 24, one end of the return spring is fixed on the transmission connecting rod 24, and the other end of the return spring is fixed on the inner walls of the first fixed friction plate 211 and the second fixed friction plate 212 of the body 21.
Preferably, the distance between the rotatable friction plate 22 and the first fixed friction plate 211 or the second fixed friction plate 212 is adjustable.
Preferably, one end of the transmission link 24 of the self-resetting dissipative damper 2 is respectively provided with a connecting groove 241 for inserting the connecting portion 221 of the rotatable friction plate 2.
Preferably, the outer end of the transmission link 24 is provided with a connecting support 26 connected with a beam-column node on the beam-column steel frame 1.
Preferably, the outer end of the transmission link 24 is provided with a connection groove 242 for inserting the connection support 26.
Preferably, the upper and lower ends of the first and second fixed friction plates 211, 212 of the self-resetting dissipative damper 2 are respectively provided with the upper and lower supporting seats 27, 28.
Claims (7)
1. The utility model provides a from restoring to throne steel construction pier which characterized in that includes:
the beam column steel frame is a frame structure of at least two layers of rectangular frames, wherein the rectangular frames are composed of at least two steel upright columns and a plurality of steel cross beams;
the self-resetting energy dissipation damper is arranged in a rectangular frame on the beam column steel frame, and an upper fixing groove is formed in the lower surface of a steel cross beam positioned at the upper part of the rectangular frame along the length direction; a lower fixing groove is arranged on the upper surface of the steel beam positioned at the lower part in the rectangular frame along the length direction; the upper end and the lower end of the self-resetting energy dissipation damper arranged in the rectangular frame are respectively fixed in the upper fixing groove and the lower fixing groove; the self-resetting energy-consuming damper comprises a body with a cavity, a rotatable friction plate which is rotatably arranged in the cavity of the body through a central shaft, a transmission connecting rod with one end pivotally connected with the rotatable friction plate and the other end extending out of the body, and a resetting spring sleeved on the transmission connecting rod; one end of the reset spring is fixed on the transmission connecting rod, and the other end of the reset spring is fixed on the inner wall of the body; the transmission connecting rod pivot is arranged at a beam column node on the beam column steel frame;
the upper part and the lower part of the energy-consuming steel plate extend towards two sides respectively to form an I-shaped or dumbbell-shaped structure; the energy dissipation steel plate is arranged in a rectangular frame arranged above or below the self-reset energy dissipation damper on the beam column steel frame, and the upper end and the lower end of the energy dissipation steel plate are respectively fixed on the lower surface and the upper surface of a steel cross beam positioned above and below the rectangular frame.
2. The self-resetting steel structure pier according to claim 1, wherein the self-resetting energy-consuming damper comprises:
the body, it is made up of first fixed friction plate, second fixed friction plate, these two fixed friction plates are set up oppositely, there are circular grooves in the middle part of its relative medial surface, and, one side of circular groove sets up the guide slot that runs through with it and forms the side opening of the fixed friction plate; after the first fixed friction plate and the second fixed friction plate are jointed, the respective circular grooves and the guide grooves are jointed to form a cavity with a side opening;
the rotatable friction plate is circular, is connected to the center of a cavity formed by the first fixed friction plate and the second fixed friction plate of the body through a pivot shaft with a central shaft arranged at the center, and the thickness of the rotatable friction plate is matched with the depth of the cavity and is contacted with the first fixed friction plate and the second fixed friction plate; the outer edge of one side of the rotatable friction plate, which corresponds to the guide groove, is convexly provided with a connecting part;
one end of the transmission connecting rod is pivotally connected to the connecting part of the rotatable friction plate, and the other end of the transmission connecting rod extends out of the first fixed friction plate and the second fixed friction plate from the opening of the cavity and is connected with a beam column node on the beam column steel frame;
the reset spring is sleeved on the transmission connecting rod, one end of the reset spring is fixed on the transmission connecting rod, and the other end of the reset spring is fixed on the inner walls of the first fixed friction plate and the second fixed friction plate of the body.
3. The self-resetting steel-structured pier according to claim 2, wherein a distance between the rotatable friction plate and the first fixed friction plate or the second fixed friction plate is adjustable.
4. The self-resetting steel structure pier according to claim 2, wherein one end of the transmission link of the self-resetting energy-consuming damper is respectively provided with a connecting groove for inserting the rotatable friction plate connecting part.
5. The self-resetting steel structure pier according to claim 2, wherein the first and second fixed friction plates of the self-resetting energy-consuming damper are respectively provided with upper and lower bearing seats at upper and lower ends thereof.
6. The self-restoring steel structural pier according to claim 1 or 2, wherein the outer end of the driving link is provided with a connection seat connected to a beam-column node of the beam-column steel frame.
7. The self-restoration steel structure pier according to claim 6, wherein the outer ends of the transmission links are provided with connection grooves into which the connection abutments are inserted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221401255.5U CN218436597U (en) | 2022-06-06 | 2022-06-06 | Self-resetting steel structure pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221401255.5U CN218436597U (en) | 2022-06-06 | 2022-06-06 | Self-resetting steel structure pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218436597U true CN218436597U (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221401255.5U Active CN218436597U (en) | 2022-06-06 | 2022-06-06 | Self-resetting steel structure pier |
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| Country | Link |
|---|---|
| CN (1) | CN218436597U (en) |
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2022
- 2022-06-06 CN CN202221401255.5U patent/CN218436597U/en active Active
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