CN220888954U - Beam column rotation self-resetting friction energy consumption node - Google Patents
Beam column rotation self-resetting friction energy consumption node Download PDFInfo
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- CN220888954U CN220888954U CN202322439139.3U CN202322439139U CN220888954U CN 220888954 U CN220888954 U CN 220888954U CN 202322439139 U CN202322439139 U CN 202322439139U CN 220888954 U CN220888954 U CN 220888954U
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- 238000005265 energy consumption Methods 0.000 title claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 146
- 239000010959 steel Substances 0.000 claims abstract description 146
- 238000013016 damping Methods 0.000 claims abstract description 39
- 238000005192 partition Methods 0.000 claims description 5
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model discloses a beam column rotation self-resetting friction energy consumption node, which comprises a column body, wherein the column body is connected with a steel beam through a rotation friction energy consumption mechanism, the self-resetting friction energy consumption node also comprises a steel pipe with one closed end, a spring is arranged in the steel pipe, the open end of the steel pipe is provided with a piston head, the movable end of the piston head is movably connected with two damping rods, and the free ends of the two damping rods are respectively and movably connected with the column body and the steel beam; the closed end of the steel pipe is movably connected to the steel beam. The rotary friction energy dissipation mechanism and the self-resetting damping energy dissipation mechanism are arranged on the joint, so that the ductility and energy dissipation effect of the joint are improved, the angle steel, the groove plate and the column body are connected into a whole, sufficient strength and bearing capacity are provided, the stress concentration of channel steel and the angle steel can be reduced when the joint is deformed, and fracture and damage are not easy to occur; the self-resetting damping energy dissipation mechanism enables the self-resetting damping energy dissipation mechanism to recover as early as the original state after the node is deformed through the spring and the piston head, and reduces the loss and damage of the node.
Description
Technical Field
The utility model belongs to the technical field of beam column joints, and relates to a beam column rotation self-resetting friction energy consumption joint.
Background
The beam column node is a critical part in a frame system, the node relates to the safety and stability of the whole structure, is a key part for structural damage, and is difficult to repair once damaged, so that the shock resistance of the node must be emphasized. However, from previous experience, in an earthquake, brittle fracture occurs at beam-column rigid connection nodes of many high-rise steel structures, and the structural overall damage is caused by insufficient shaping deformation capability of the beam-column nodes in the earthquake.
Disclosure of utility model
The utility model aims to provide a beam-column rotation self-resetting friction energy consumption node, which solves the problem of poor ductility and energy consumption effect of the beam-column node in the earthquake in the prior art.
The utility model adopts the technical scheme that the beam column rotation self-resetting friction energy consumption node comprises a column body, wherein the column body is connected with a steel beam through a rotation friction energy consumption mechanism, the self-resetting friction energy consumption node also comprises a steel pipe with one closed end, a spring is arranged in the steel pipe, the opening end of the steel pipe is provided with a piston head, the movable end of the piston head is movably connected with two damping rods, and the free ends of the two damping rods are respectively and movably connected with the column body and the steel beam; the closed end of the steel pipe is movably connected to the steel beam.
The present utility model is also characterized in that,
The rotary friction energy dissipation mechanism comprises two angle steels, one side plate of each angle steel is fixed on the column body, the other side plate is movably connected with a channel steel, and the two side plates of the channel steel are fixed with the steel beam.
The steel beam is I-steel, two arc-shaped inwards bent waist holes are correspondingly formed in the angle steel, the steel beam web plate and the channel steel, a circular hole is formed between the two waist holes, the steel beam further comprises a rotating shaft and two pin shafts, and the two pin shafts respectively penetrate through the corresponding waist holes; the rotating shaft sequentially passes through the circular holes; two telescopic springs are sleeved on each pin shaft, and each telescopic spring is located between the channel steel and the web plate of the steel beam.
The movable end of the piston head is hinged with the two damping rods through the first connecting plate and the second connecting plate.
The first connecting plate comprises a first bottom plate, the first bottom plate is vertically connected with two first semicircular plates, the first bottom plate is connected with the piston head, and the second connecting plate is located between and connected with the two first semicircular plates.
The second connecting plate comprises a connecting plate, a groove is formed in the connecting plate, a baffle is arranged in the groove, and the groove is equally divided into two parts by the baffle.
The closed end of the steel pipe is hinged with the steel beam through a third connecting plate and a first connecting plate.
The third connecting plate comprises a second bottom plate, the second bottom plate is fixed at the closed end of the steel pipe, the second bottom plate is vertically connected with a second semicircular plate, and the second semicircular plate is hinged with the first connecting plate.
One end of the damping rod is hinged to the column body and the steel beam through the first connecting plate respectively, and the other end of the damping rod is hinged to the second connecting plate.
The damping rod comprises a rod body, two ends of the rod body are respectively connected with an ear plate, one ear plate is positioned between two first semicircular plates and connected with the two first semicircular plates, and the first bottom plate is fixed on the column body and the steel beam; the other ear plate is embedded in the corresponding groove and connected with the groove.
The beneficial effects of the utility model are as follows: according to the beam column rotation self-resetting friction energy consumption node, the rotation friction energy consumption mechanism and the self-resetting damping energy consumption mechanism are arranged on the node, so that the ductility and energy consumption effect of the node are improved, angle steel, a groove plate and a column body are connected into a whole, sufficient strength and bearing capacity are provided, the stress concentration of channel steel and the angle steel can be reduced when the node is deformed, and fracture and damage are not easy to occur; the self-resetting damping energy dissipation mechanism enables the self-resetting damping energy dissipation mechanism to recover as early as the original state after the node is deformed through the spring and the piston head, and reduces the loss and damage of the node.
Drawings
FIG. 1 is a schematic diagram of a beam column rotation self-resetting friction energy consumption node;
FIG. 2 is a side view of a beam column rotational self-resetting friction energy consuming node of the present utility model;
FIG. 3 is a schematic view of the structure of the self-resetting shock absorbing and dissipating member in the beam column rotation self-resetting friction dissipating node of the present utility model;
FIG. 4 is a schematic structural view of the beam column rotation self-resetting friction energy dissipation node inner channel steel of the utility model;
FIG. 5 is a schematic diagram of the structure of the pin in the beam column rotation self-resetting friction energy dissipation node of the utility model;
FIG. 6 is a schematic diagram of a second connection plate in a beam column rotation self-resetting friction energy dissipation node of the present utility model;
FIG. 7 is a schematic diagram of the structure of the damping rod in the beam column rotation self-resetting friction energy dissipation node of the utility model.
In the figure, 1, a column, 2, a steel beam, 3, a steel pipe, 4, a spring, 5, a piston head, 6, a damping rod, 7, angle steel, 8, channel steel, 9, waist hole, 10, circular hole, 11, pin shaft, 12, rotary shaft, 13, telescopic spring, 14, first connecting plate, 15, second connecting plate, 16, first bottom plate, 17, first semicircular plate, 18, connecting plate, 19, groove, 20, partition plate, 21, second bottom plate, 22, second semicircular plate, 23, rod body, 24, otic placode, 25, third connecting plate, 26 and rubber pad.
Detailed Description
The utility model will be described in detail below with reference to the drawings and the detailed description.
Example 1:
the beam column rotation self-resetting friction energy consumption node comprises a column 1, wherein the column 1 is connected with a steel beam 2 through a rotation friction energy consumption mechanism, the beam column further comprises a steel pipe 3 with one end closed, a spring 4 is arranged in the steel pipe 3, a piston head 5 is arranged at the opening end of the steel pipe 3, two damping rods 6 are movably connected at the movable end of the piston head 5, and the free ends of the two damping rods 6 are respectively and movably connected with the column 1 and the steel beam 2; the closed end of the steel pipe 3 is movably connected on the steel beam 2. The rotary friction energy dissipation mechanism comprises two angle steels 7, one side plate of each angle steel 7 is fixed on the column body 1, the other side plate is movably connected with the angle steel 7, and two side plates of the channel steel 8 are fixed with the steel beam 2.
Example 2:
the beam column rotation self-resetting friction energy consumption node comprises a column 1, wherein the column 1 is connected with a steel beam 2 through a rotation friction energy consumption mechanism, the beam column further comprises a steel pipe 3 with one end closed, a spring 4 is arranged in the steel pipe 3, a piston head 5 is arranged at the opening end of the steel pipe 3, two damping rods 6 are movably connected at the movable end of the piston head 5, and the free ends of the two damping rods 6 are respectively and movably connected with the column 1 and the steel beam 2; the closed end of the steel pipe 3 is movably connected on the steel beam 2. The rotary friction energy dissipation mechanism comprises two angle steels 7, one side plate of each angle steel 7 is fixed on the column body 1, the other side plate is movably connected with the angle steel 7, and two side plates of the channel steel 8 are fixed with the steel beam 2.
The steel beam 2 is I-shaped steel, two arc-shaped inwards bent waist holes 9 are correspondingly formed in the angle steel 7, the web plate of the steel beam 2 and the channel steel 8, a round hole 10 is formed between the two waist holes 9, the steel beam further comprises a rotating shaft 12 and two pin shafts 11, and the two pin shafts 11 respectively penetrate through the corresponding waist holes 9 and are locked at the outer side of the angle steel 7 through nuts; the rotating shaft 12 passes through the circular hole 10; two telescopic springs 13 are sleeved on each pin shaft 11, and each telescopic spring 13 is located between the channel steel 8 and the web plate of the steel beam 2. The two side plates of the channel steel 8 are respectively fixed on the flanges of the steel beam 2.
Example 3:
the beam column rotation self-resetting friction energy consumption node comprises a column body 1, wherein the column body 1 is connected with a steel beam 2 through a rotation friction energy consumption mechanism, and further comprises a self-resetting shock absorption energy consumption component, the self-resetting shock absorption energy consumption component comprises a steel pipe 3 with one closed end, as shown in fig. 3, a spring 4 is arranged in the steel pipe 3, a piston head 5 is arranged at the open end of the steel pipe 3, the movable end of the piston head 5 is movably connected with two damping rods 6, and the free ends of the two damping rods 6 are respectively and movably connected with the column body 1 and the steel beam 2; the inner closed end of the steel pipe 3 is also provided with a rubber pad 26, and the rubber pad 26 is tangent with the spring 4, so that the energy-consuming component has good anti-seismic performance; the closed end of the steel pipe 3 is movably connected on the steel beam 2. The rotary friction energy dissipation mechanism comprises two angle steels 7, one side plate of each angle steel 7 is fixed on the column body 1, the other side plate is movably connected with the angle steel 7, and two side plates of the channel steel 8 are fixed with the steel beam 2. In this embodiment, the damping rod 6 may be made of high-strength steel; when repairing after earthquake, only the damaged replaceable damping rod 6 and the high-strength replaceable spring 4 need to be replaced to restore the function.
The steel beam 2 is I-shaped steel, as shown in fig. 4, a circular hole 10 is formed between the angle steel 7 and the hole 9, as shown in fig. 5, a rotating shaft 12, two arc-shaped inwards-bent waist holes 9 are correspondingly formed in the web plate and the channel steel 8 of the steel beam 2 of the pin shaft, the two pin shafts 11 respectively penetrate through the corresponding waist holes 9 and are locked at the outer side of the angle steel 7 through nuts, and the angle steel 7, the web plate of the steel beam 2 and the channel steel 8 are rotationally connected; the rotating shaft 12 penetrates through the circular hole 10 to rotationally connect the angle steel 7, the web plate of the steel beam 2 and the channel steel 8; two telescopic springs 13 are sleeved on each pin shaft 11, and each telescopic spring 13 is positioned between the channel steel 8 and the web plate of the steel beam 2 so as to apply prestress to prop against the channel steel 8, the angle steel 7 and the web plate of the steel beam 2. The two side plates of the channel steel 8 are respectively fixed on the flanges of the steel beam 2. During operation, the two pins 11 rotate around the rotating shaft 12 as a center to consume friction energy.
The movable end of the piston head 5 is hinged with the two damping rods 6 through a first connecting plate 14 and a second connecting plate 15. The first connecting plate 14 comprises a first bottom plate 16, two first semicircular plates 17 are vertically connected to the first bottom plate 16, the first bottom plate 16 is connected with the piston head 5, and the second connecting plate 15 is located between the two first semicircular plates 17 and connected through bolts; as shown in fig. 6, the second connecting plate 15 includes a connecting plate 18, a groove 19 is formed in the connecting plate 18, a partition plate 20 is disposed in the groove 19, and the partition plate 20 equally divides the groove 19 into two parts.
The closed end of the steel pipe 3 is hinged with the steel beam 2 through a third connecting plate 25 and a first connecting plate 14. The third connecting plate 25 comprises a second bottom plate 21, the second bottom plate 21 is fixed at the closed end of the steel pipe 3, the second bottom plate 21 is vertically connected with a second semicircular plate 22, and the second semicircular plate 22 is hinged with the first connecting plate 14. The second semicircular plate 22 is located between the two first semicircular plates 17 and connected by bolts, and the first bottom plate 16 is fixed to the steel beam 2.
One end of the damping rod 6 is hinged on the column body 1 and the steel beam 2 through a first connecting plate 14 respectively, and the other end of the damping rod 6 is hinged with a second connecting plate 15. As shown in fig. 7, the damping rod 6 includes a rod body 23, two ends of the rod body 23 are respectively connected with an ear plate 24, one ear plate 24 is located between two first semicircular plates 17 and connected by bolts, and the first bottom plate 16 is fixed on the column 1 and the steel beam 2; the other lug 24 extends into the corresponding recess 19 and is connected by means of a bolt. Due to the limitation of the groove 19 in the second connecting plate 15, the rotation angle of the damping rod 6 has a limit value, so that the deformation of the node cannot exceed the set maximum angle, and the safety is ensured.
The working principle of the beam column rotation self-resetting friction energy consumption node is as follows:
When a strong earthquake happens, the damping rod 6 compresses the spring 4 to deform in a telescopic way through the piston head 5 downwards, so that the steel beam 2 and the column 1 still keep elasticity, and after the load is unloaded, the compression spring 4 rebounds to restore to the original state; simultaneously, the two pins 11 rotate with the rotating shaft 12 as the center to consume friction energy.
Through the mode, the beam column rotation self-resetting friction energy consumption node is provided with the rotation friction energy consumption mechanism and the self-resetting damping energy consumption mechanism, so that the ductility and energy consumption effect of the node are improved, angle steel, a groove plate and a column body are connected into a whole, sufficient strength and bearing capacity are provided, the stress concentration of channel steel and the angle steel can be reduced when the node is deformed, and fracture and damage are not easy to occur; the self-resetting damping energy dissipation mechanism enables the self-resetting damping energy dissipation mechanism to recover as early as the original state after the node is deformed through the spring and the piston head, and reduces the loss and damage of the node.
Claims (10)
1. The beam column rotation self-resetting friction energy consumption node is characterized by comprising a column body (1), wherein the column body (1) is connected with a steel beam (2) through a rotation friction energy consumption mechanism, the self-resetting friction energy consumption node further comprises a steel pipe (3) with one end closed, a spring (4) is arranged in the steel pipe (3), a piston head (5) is arranged at the opening end of the steel pipe (3), two damping rods (6) are movably connected to the movable end of the piston head (5), and the free ends of the two damping rods (6) are respectively and movably connected to the column body (1) and the steel beam (2); the closed end of the steel pipe (3) is movably connected to the steel beam (2).
2. The beam column rotation self-resetting friction energy consumption node according to claim 1, wherein the rotation friction energy consumption mechanism comprises two angle steels (7), one side plate of each angle steel (7) is fixed on the column body (1), the other side plate is movably connected with a channel steel (8), and the two side plates of the channel steel (8) are fixed with the steel beam (2).
3. The beam column rotation self-resetting friction energy consumption node according to claim 2, wherein the steel beam (2) is I-steel, two arc-shaped inwards bent waist holes (9) are correspondingly formed in the angle steel (7), the web plate of the steel beam (2) and the channel steel (8), a circular hole (10) is formed between the two waist holes (9), the self-resetting friction energy consumption node further comprises a rotating shaft (12) and two pin shafts (11), and the two pin shafts (11) respectively penetrate through the corresponding waist holes (9); the rotating shaft (12) sequentially penetrates through the circular holes (10); two telescopic springs (13) are sleeved on each pin shaft (11), and each telescopic spring (13) is located between the channel steel (8) and the web plate of the steel beam (2).
4. The beam column rotation self-resetting friction energy consumption node according to claim 1, wherein the movable end of the piston head (5) is hinged with the two damping rods (6) through a first connecting plate (14) and a second connecting plate (15).
5. The beam-column rotation self-resetting friction energy consumption node according to claim 4, wherein the first connecting plate (14) comprises a first bottom plate (16), two first semicircular plates (17) are vertically connected to the first bottom plate (16), the first bottom plate (16) is connected with the piston head (5), and the second connecting plate (15) is located between and connected with the two first semicircular plates (17).
6. The beam column rotation self-resetting friction energy consumption node according to claim 5, wherein the second connecting plate (15) comprises a connecting plate (18), a groove (19) is formed in the connecting plate (18), a partition plate (20) is arranged in the groove (19), and the partition plate (20) equally divides the groove (19) into two parts.
7. The beam column rotation self-resetting friction energy consumption node according to claim 5, wherein the closed end of the steel tube (3) is hinged with the steel beam (2) through a third connecting plate (25) and a first connecting plate (14).
8. The beam column rotation self-resetting friction energy consumption node according to claim 7, wherein the third connecting plate (25) comprises a second bottom plate (21), the second bottom plate (21) is fixed at the closed end of the steel pipe (3), the second bottom plate (21) is vertically connected with a second semicircular plate (22), and the second semicircular plate (22) is hinged with the first connecting plate (14).
9. The beam column rotation self-resetting friction energy consumption node according to claim 6, wherein one end of the damping rod (6) is hinged on the column body (1) and the steel beam (2) through a first connecting plate (14), and the other end of the damping rod (6) is hinged with a second connecting plate (15).
10. The beam column rotation self-resetting friction energy consumption node according to claim 9, wherein the damping rod (6) comprises a rod body (23), two ends of the rod body (23) are respectively connected with an ear plate (24), one ear plate (24) is positioned between and connected with two first semicircular plates (17), and the first bottom plate (16) is fixed on the column body (1) and the steel beam (2); the other lug plate (24) is embedded in the corresponding groove (19) and is connected with the corresponding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322439139.3U CN220888954U (en) | 2023-09-08 | 2023-09-08 | Beam column rotation self-resetting friction energy consumption node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322439139.3U CN220888954U (en) | 2023-09-08 | 2023-09-08 | Beam column rotation self-resetting friction energy consumption node |
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| Publication Number | Publication Date |
|---|---|
| CN220888954U true CN220888954U (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322439139.3U Active CN220888954U (en) | 2023-09-08 | 2023-09-08 | Beam column rotation self-resetting friction energy consumption node |
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| Country | Link |
|---|---|
| CN (1) | CN220888954U (en) |
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2023
- 2023-09-08 CN CN202322439139.3U patent/CN220888954U/en active Active
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