CN111963608B - Self-resetting shearing type lead damper - Google Patents
Self-resetting shearing type lead damper Download PDFInfo
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- CN111963608B CN111963608B CN202010704751.7A CN202010704751A CN111963608B CN 111963608 B CN111963608 B CN 111963608B CN 202010704751 A CN202010704751 A CN 202010704751A CN 111963608 B CN111963608 B CN 111963608B
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- energy consumption
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- cylinder
- cylinder body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/08—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2238/00—Type of springs or dampers
- F16F2238/04—Damper
- F16F2238/045—Lead shear damper
Abstract
The invention provides a self-resetting shearing type lead damper, which comprises a cylinder, an inner rod, an energy consumption device and a self-resetting shearing type lead damper, wherein the inner rod is coaxially sleeved in the cylinder; the barrel is a hollow cylindrical structure with one closed end and one open end, the barrel comprises a barrel wall and a barrel bottom cover plate arranged at one end of the barrel wall, one end of the inner rod is connected with the barrel bottom cover plate, and the other end of the inner rod extends out of the open end of the barrel. The energy-saving device has high energy consumption capability and good resetting capability, can effectively reduce the vibration of the structure and the residual deformation of the structure after the earthquake, and greatly improves the safety of the structure; energy consumption instability caused by reduction of the shearing area of the main energy consumption ring under reciprocating load is avoided by supplementing the energy consumption ring, and the energy consumption stability of the damper is improved.
Description
Technical Field
The invention belongs to the field of civil construction and electrical engineering, and relates to a self-resetting shearing type lead damper.
Background
The electric equipment is expensive in manufacturing cost, the natural frequency of a porcelain column type structure in the power system, such as a circuit breaker, a disconnecting switch and the like, is 1-10 Hz, the damping ratio is small, and the earthquake vulnerability is high. With the importance of atmospheric pollution and reasonable allocation of resources, the development of ultrahigh voltage engineering in China is getting stronger, and the ultrahigh voltage electrical equipment has higher gravity center, height and quality compared with high voltage electrical equipment, and the anti-seismic performance of the ultrahigh voltage electrical equipment faces more serious challenges.
At present, porcelain column type electrical equipment mostly adopts a metal damper and a steel wire rope damper. The residual deformation of the structure can greatly reduce the temporary capacity of the structure for resisting the earthquake again, and the existing shearing type lead damper does not have the self-resetting function after the earthquake; the existing steel wire rope damper is used in combination with a hydraulic viscous damper, and has harsh requirements on the sealing effect of the hydraulic damper; the shape memory alloy has superelasticity and shape memory effect, can realize reset after an earthquake, greatly reduces the residual deformation of the structure, and has the advantages of good energy consumption capability, high damping, good durability and the like; the damper which combines the shape memory alloy with the lead and has the energy consumption and the reset capacity is developed, and has important application value for the porcelain column type electrical equipment.
Disclosure of Invention
In view of the above-mentioned deficiencies and drawbacks of the prior art, an object of the present invention is to provide a self-resetting shearing type lead damper, which solves the technical problems of large residual deformation and poor stability of the prior art.
In order to achieve the purpose, the technical scheme is as follows: a self-resetting shearing type lead damper comprises a cylinder, an inner rod coaxially sleeved in the cylinder, and an energy consumption device connected with the cylinder and the inner rod, wherein the inner rod is further sleeved with a buckling-preventing sleeve;
the barrel is of a hollow cylindrical structure with one closed end and one open end, the barrel comprises a barrel wall and a barrel bottom cover plate arranged at one end of the barrel wall, one end of the inner rod is connected with the barrel bottom cover plate, and the other end of the inner rod extends out of the open end of the barrel.
The invention also has the following technical characteristics:
the inner rod comprises a first common strengthening area, a weakening area, a second common strengthening area and a high-grade strengthening area which are coaxially connected in sequence, and the first common strengthening area, the weakening area, the second common strengthening area and the high-grade strengthening area are all cylindrical structures;
the first common strengthening area is connected with the cylinder bottom cover plate, the second common strengthening area is connected with the anti-buckling sleeve, and the high-grade strengthening area extends out of the cylinder body.
The cylinder body opening end is coaxially connected with a cylinder body fixed end, the cylinder body fixed end is of a hollow cylindrical structure and is communicated with the cylinder body, a cylinder body fixed nut is sleeved on the outer side of the cylinder body fixed end, and the high-grade reinforcing area extends out of the cylinder body through the cylinder body fixed end;
the outer diameter of advanced reinforcing area is the same with the internal diameter of barrel stiff end, barrel stiff end diameter be less than the diameter of barrel.
The anti-buckling sleeve comprises a first boss, a connecting section, a second boss and a fixing section which are coaxially connected in sequence, wherein the first boss, the connecting section, the second boss and the fixing section are all hollow cylindrical structures with openings at two ends and the inner diameters of the first boss, the connecting section, the second boss and the fixing section are the same;
the internal diameter of canned paragraph the external diameter in the ordinary reinforced district of second the same, the external diameter of canned paragraph is the same with the internal diameter of barrel stiff end, the canned paragraph cup joints and fixes with the ordinary reinforced district of second is coaxial, first boss, linkage segment and second boss cup joint with the weakened area is coaxial, the internal diameter of first boss, linkage segment and second boss be greater than the diameter in weakened area.
The energy consumption device comprises a first shearing ring and a first supplementary energy consumption ring which are arranged in a cavity formed between the first boss and the cylinder wall, the first shearing ring is arranged at one side close to the cylinder bottom cover plate, and the axial lengths of the first shearing ring and the first supplementary energy consumption ring are the same as the axial length of the first boss;
the energy consumption device comprises a second supplementary energy consumption ring and a second shearing ring which are arranged in a cavity formed between the second boss and the cylinder wall, the second shearing ring is arranged close to the opening end of the cylinder body, and the axial lengths of the second supplementary energy consumption ring and the second shearing ring are the same as the axial length of the second boss;
the energy consumption device also comprises a main energy consumption ring which is arranged in a cavity formed among the first supplementary energy consumption ring, the first boss, the connecting section, the second boss, the second supplementary energy consumption ring and the cylinder wall, wherein the main energy consumption ring is formed by splicing a plurality of arc plate-shaped energy consumption plates;
the first shearing ring and the second shearing ring are both connected with the cylinder wall.
The first shearing ring and the second shearing ring are fixed on the inner side of the cylinder through shearing ring fixing bolts.
Threads are arranged on the outer side of the first common reinforcing area, the first common reinforcing area extends out of the cylinder bottom cover plate, an outer adjusting nut is sleeved on the part of the first common reinforcing area extending out of the cylinder bottom cover plate, and an inner adjusting nut is sleeved on the part of the first common reinforcing area in the cylinder;
the first common reinforcing area is connected to the cylinder bottom cover plate through an outer adjusting nut and an inner adjusting nut.
The part of the high-grade reinforcing area extending out of the cylinder body is also sleeved with an inner rod anchoring nut.
Compared with the prior art, the invention has the beneficial technical effects that:
the invention has high energy consumption capability and good resetting capability, can effectively reduce the vibration of the structure and the residual deformation of the structure after the vibration, and greatly improves the safety of the structure; energy consumption instability caused by reduction of the shearing area of the main energy consumption ring under reciprocating load is avoided by supplementing the energy consumption ring, and the energy consumption stability of the damper is improved; the prefabricated main energy consumption ring and the prefabricated supplementary energy consumption ring are used, so that the risk of environmental pollution caused by leakage when the traditional lead damper is filled with lead is avoided, and the assembled lead damper has the characteristic of being assembled;
(II) the self-resetting shearing type lead damper does not need to be matched with a support for use, only needs to replace bolts at corresponding parts, does not change the installation and connection mode of the existing equipment or structure, and has the advantages of stable energy consumption, simple structure, convenience in installation and good durability.
Drawings
Fig. 1 is an overall sectional structure diagram of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic sectional view of the inner rod.
Fig. 4 is a schematic sectional structure view of the anti-buckling sleeve.
FIG. 5 is a schematic diagram of the method of use of the present invention.
Fig. 6 is a plot of hysteresis for the present invention.
The meaning of the individual reference symbols in the figures is: 1-cylinder, 2-inner rod, 3-energy consumption device, 4-anti-buckling sleeve, 6-cylinder bottom cover plate, 7-first common reinforcing region, 8-weakening region, 9-second common reinforcing region, 10-advanced reinforcing region, 12-cylinder fixing nut, 13-first boss, 14-connecting section, 15-second boss, 16-fixing section, 17-first shearing ring, 18-first supplementary energy consumption ring, 19-second supplementary energy consumption ring, 20-second shearing ring, 22-shearing ring fixing bolt, 23-external adjusting nut, 24-internal adjusting nut and 25-inner rod anchoring nut.
The details of the present invention are explained in further detail below with reference to the drawings and examples.
Detailed Description
The following embodiments of the present invention are provided, and it should be noted that the present invention is not limited to the following embodiments, and all equivalent changes based on the technical solutions of the present invention are within the protection scope of the present invention.
Example 1:
according to the technical scheme, as shown in fig. 1 to 6, the self-resetting shearing type lead damper provided by the embodiment comprises a cylinder body 1, an inner rod 2 coaxially sleeved in the cylinder body 1, and an energy consumption device 3 for connecting the cylinder body 1 and the inner rod 2, wherein the inner rod 2 is further sleeved with a buckling-preventing sleeve 4, and the inner rod 2 is connected with the energy consumption device 3 through the buckling-preventing sleeve 4; the buckling-proof sleeve 4 is connected with the inner rod 2 and the barrel 1, when compression occurs, the inner rod 2 drives the buckling-proof sleeve 4, the buckling-proof sleeve 4 drives the energy consumption device 3 to consume energy, and the buckling-proof sleeve 4 is used for preventing the inner rod 2 from being excessively bent when being compressed.
The tube body 1 is of a hollow cylindrical structure with one closed end and one open end, the tube body 1 comprises a tube wall and a tube bottom cover plate 6 arranged at one end of the tube wall, one end of the inner rod 2 is connected with the tube bottom cover plate 6, and the other end of the inner rod extends out of the open end of the tube body 1. The inner rod 2 is connected with the cylinder bottom cover plate 6 and used for limiting the relative position of the inner rod 2, and one end extending out of the opening end of the cylinder body 1 is used for connecting equipment needing shock absorption.
The anti-buckling sleeve 4 is connected with the energy consumption device 3.
As a preferred embodiment of the present invention, the inner rod 2 includes a first general reinforcement area 7, a weakening area 8, a second general reinforcement area 9 and a high-level reinforcement area 10, which are coaxially connected in sequence;
the first common reinforcing area 7 is connected with the cylinder bottom cover plate 6, the second common reinforcing area 9 is connected with the anti-buckling sleeve 4, and the high-grade reinforcing area 10 extends out of the cylinder body 1. The inner rod 2 adopts an austenite or martensite shape memory alloy rod and has the functions of energy consumption and restoration; the first common reinforcing area 7 is connected with the cylinder bottom cover plate 6 through an internal and external adjusting nut; the weakening area 8 concentrates the deformation of the inner rod 2 in the weakening area to prevent the damage at the connection part with other parts; the second common strengthening area 9 is connected with the anti-buckling sleeve 4 through threads;
the advanced reinforcement zone 10 is connected to the equipment floor by an inner rod anchor nut 25.
As a preferred choice of this embodiment, the open end of the cylinder 1 is coaxially connected with a cylinder fixed end, the cylinder fixed end is a hollow cylindrical structure and is communicated with the cylinder 1, a cylinder fixed nut 12 is sleeved outside the cylinder fixed end, and the advanced reinforcement area 10 extends out of the cylinder 1 through the cylinder fixed end;
the external diameter of advanced reinforcing area 10 is the same with the internal diameter of barrel stiff end, barrel stiff end diameter be less than the diameter of barrel 1.
As a preferred choice of this embodiment, the anti-buckling casing 4 includes a first boss 13, a connecting section 14, a second boss 15 and a fixing section 16 that are coaxially connected in sequence, and the first boss 13, the connecting section 14, the second boss 15 and the fixing section 16 are all hollow cylindrical structures with openings at two ends and have the same inner diameter;
the internal diameter of canned paragraph 16 the external diameter with the ordinary reinforced district 9 of second the same, the external diameter of canned paragraph 16 the internal diameter with the barrel stiff end the same, canned paragraph 16 cup joints and fixes with the ordinary reinforced district 9 of second is coaxial, first boss 13, linkage segment 14 and second boss 15 cup joint with weakened area 8 is coaxial, the internal diameter of first boss 13, linkage segment 14 and second boss 15 be greater than weakened area 8's diameter. The first boss 13 and the second boss 15 are matched with the first shearing ring 17 and the second shearing ring 20, and the energy consumption ring is sheared to consume energy under the reciprocating load.
As a preference of this embodiment, the energy consumption device 3 includes a first shear ring 17 and a first supplementary energy consumption ring 18 which are arranged in a cavity formed between the first boss 13 and the cylinder wall, the first shear ring 17 is arranged at a side close to the cylinder bottom cover plate 6, and the axial length of the first shear ring 17 and the axial length of the first supplementary energy consumption ring 18 are the same as the axial length of the first boss 13;
the energy consumption device 3 comprises a second supplementary energy consumption ring 19 and a second shearing ring 20 which are arranged in a cavity formed between the second boss 15 and the cylinder wall, the second shearing ring 20 is arranged close to the opening end of the cylinder body 1, and the axial length of the second supplementary energy consumption ring 19 and the axial length of the second shearing ring 20 are the same as that of the second boss 15;
the energy consumption device 3 further comprises a main energy consumption ring arranged in a cavity formed among the first supplementary energy consumption ring 18, the first boss 13, the connecting section 14, the second boss 15, the second supplementary energy consumption ring 19 and the cylinder wall, and the main energy consumption ring is formed by splicing a plurality of arc plate-shaped energy consumption plates; the first supplementary energy consumption ring 18 and the second supplementary energy consumption ring 19 are matched with the main energy consumption ring for use, so that the instability of energy consumption caused by reduction of the shearing area when the main energy consumption ring is sheared can be effectively prevented.
The main energy consumption ring is a circular ring formed by splicing two or more than two arc plate-shaped energy consumption plates, and the energy consumption ring is subjected to shearing deformation to consume energy through the dislocation of the buckling-preventing sleeve 4 and the first shearing ring 17 and the second shearing ring 20.
The main energy consumption ring and the supplementary energy consumption ring can be made of metal lead, and are gradually fused into a whole through the recrystallization capacity of the metal lead under the reciprocating load, so that the reduction of the shearing area of the main energy consumption ring under the reciprocating load is prevented, and the energy consumption stability of the damper is improved;
the first shearing ring 17 and the second shearing ring 20 are both connected with the cylinder wall. The first shearing ring 17 and the second shearing ring 20 clamp the first supplementary energy consumption ring 18 and the second supplementary energy consumption ring 19, so that the energy consumption rings are sheared.
As a preference of this embodiment, the first shear ring 17 and the second shear ring 20 are fixed inside the cylinder 1 by shear ring fixing bolts 22.
As a preferred embodiment of the present invention, the outer side of the first common reinforcing region 7 is provided with threads, the first common reinforcing region 7 extends out of the cylinder bottom cover plate 6, the part of the first common reinforcing region 7 extending out of the cylinder bottom cover plate 6 is sleeved with the outer adjusting nut 23, and the part of the first common reinforcing region 7 in the cylinder 1 is sleeved with the inner adjusting nut 24;
the first conventional reinforcement zone 7 is connected to the cartridge bottom cover plate 6 by means of an outer adjusting nut 23 and an inner adjusting nut 24. The cylinder bottom cover plate 6 fixes the first common reinforcing region 7 of the inner rod 2 on the cylinder bottom cover plate 6 through the inner adjusting nut 24 and the outer adjusting nut 23, so that a complete force transmission path is formed conveniently. The inner adjusting nut 24 and the outer adjusting nut 23 adjust the pre-tightening force of the damper by adjusting the inner and outer adjusting nuts and the inner rod anchoring nut 25.
As a preferred embodiment, the advanced reinforcement region 10 is further sleeved with an inner rod anchoring nut 25.
The working principle of the invention is as follows:
the damper is installed between equipment and a support or between a support and a foundation, preferably installed between the equipment and the support, a spherical hinge is arranged at the joint of the equipment and the support, and the dampers are arranged in a central symmetry mode in an annular mode. When an earthquake happens, equipment swings, an equipment bottom plate and a support top plate generate vertical relative displacement, an inner rod high-grade reinforcing region 10 of a damper is connected with the equipment bottom plate through an inner rod anchoring nut 25, a cylinder 1 is connected with the support through a cylinder fixing nut 12, the inner rod 2 is stretched and compressed through the relative displacement of the equipment bottom plate and the support top plate, a buckling-preventing sleeve 4 is connected with a second common reinforcing region 9 of the inner rod 2, the buckling-preventing sleeve 4 also generates relative motion with the cylinder 1, a first shearing ring 17 and a second shearing ring 20 are fixed in the cylinder 1 for measuring, the main energy consumption ring generates shearing through the relative motion of the buckling-preventing sleeve 4 and the cylinder 1, and further consumes energy, and the first supplementary energy consumption ring 18 and the second supplementary energy consumption ring 19 compensate for the reduction of the shearing area of the main energy consumption ring, so that the energy consumption stability of the damper can be effectively improved, as shown in figure 6, the return curve of the self-resetting shearing type lead damper under low-cycle reciprocating load, an ideal double-flag shape is presented, which shows that the reset function is good.
Claims (4)
1. A self-resetting shearing type lead damper comprises a cylinder body (1), an inner rod (2) coaxially sleeved in the cylinder body (1), and an energy consumption device (3) connected with the cylinder body (1) and the inner rod (2), and is characterized in that the inner rod (2) is further sleeved with a buckling-preventing sleeve (4), and the inner rod (2) is connected with the energy consumption device (3) through the buckling-preventing sleeve (4);
the barrel (1) is of a hollow cylindrical structure with one closed end and one open end, the barrel (1) comprises a barrel wall and a barrel bottom cover plate (6) arranged at one end of the barrel wall, one end of the inner rod (2) is connected with the barrel bottom cover plate (6), and the other end of the inner rod extends out of the open end of the barrel (1);
the inner rod (2) comprises a first common strengthening region (7), a weakening region (8), a second common strengthening region and a high-grade strengthening region (10) which are coaxially connected in sequence, and are all cylindrical structures;
the first common reinforcing area (7) is connected with the cylinder bottom cover plate (6), the second common reinforcing area (9) is connected with the anti-buckling sleeve (4), and the high-grade reinforcing area (10) extends out of the cylinder body (1);
the opening end of the cylinder body (1) is coaxially connected with a cylinder body fixed end, the cylinder body fixed end is of a hollow cylindrical structure and is communicated with the cylinder body (1), a cylinder body fixed nut (12) is sleeved on the outer side of the cylinder body fixed end, and the high-grade reinforcing area (10) extends out of the cylinder body (1) through the cylinder body fixed end;
the outer diameter of the high-grade reinforcing area (10) is the same as the inner diameter of the fixed end of the cylinder body, and the diameter of the fixed end of the cylinder body is smaller than that of the cylinder body (1);
the anti-buckling sleeve (4) comprises a first boss (13), a connecting section (14), a second boss (15) and a fixing section (16) which are coaxially connected in sequence, wherein the first boss (13), the connecting section (14), the second boss (15) and the fixing section (16) are all hollow cylindrical structures with openings at two ends and have the same inner diameter;
the inner diameter of the fixed section (16) is the same as the outer diameter of the second common reinforcing area (9), the outer diameter of the fixed section (16) is the same as the inner diameter of the fixed end of the cylinder body, the fixed section (16) is coaxially sleeved and fixed with the second common reinforcing area (9), the first boss (13), the connecting section (14) and the second boss (15) are coaxially sleeved with the weakening area (8), and the inner diameters of the first boss (13), the connecting section (14) and the second boss (15) are larger than the diameter of the weakening area (8);
the energy consumption device (3) comprises a first shearing ring (17) and a first supplementary energy consumption ring (18) which are arranged in a cavity formed between the first boss (13) and the cylinder wall, the first shearing ring (17) is arranged on one side close to the cylinder bottom cover plate (6), and the axial length of the first shearing ring (17) and the axial length of the first supplementary energy consumption ring (18) are the same as that of the first boss (13);
the energy consumption device (3) comprises a second supplementary energy consumption ring (19) and a second shearing ring (20) which are arranged in a cavity formed between the second boss (15) and the cylinder wall, the second shearing ring (20) is arranged close to the opening end of the cylinder body (1), and the axial length of the second supplementary energy consumption ring (19) and the axial length of the second shearing ring (20) are the same as that of the second boss (15);
the energy consumption device (3) further comprises a main energy consumption ring arranged in a cavity formed among the first supplementary energy consumption ring (18), the first boss (13), the connecting section (14), the second boss (15), the second supplementary energy consumption ring (19) and the cylinder wall, and the main energy consumption ring is formed by splicing a plurality of arc plate-shaped energy consumption plates;
the first shearing ring (17) and the second shearing ring (20) are connected with the cylinder wall;
the inner rod (2) is an austenite or martensite shape memory alloy rod.
2. The self-resetting shearing type lead damper as recited in claim 1, wherein said first shearing ring (17) and said second shearing ring (20) are fixed inside the cylinder (1) by means of shearing ring fixing bolts (22).
3. The self-resetting shearing type lead damper as recited in claim 1, wherein the first common reinforcing area (7) is provided with threads on the outer side, the first common reinforcing area (7) extends out of the cylinder bottom cover plate (6), the part of the first common reinforcing area (7) extending out of the cylinder bottom cover plate (6) is sleeved with an outer adjusting nut (23), and the part of the first common reinforcing area (7) in the cylinder body (1) is sleeved with an inner adjusting nut (24);
the first common reinforcing area (7) is connected to the cylinder bottom cover plate (6) through an outer adjusting nut (23) and an inner adjusting nut (24).
4. The self-resetting shearing type lead damper as claimed in claim 1, characterized in that the part of the high-grade reinforcing area (10) extending out of the cylinder (1) is sleeved with an inner rod anchoring nut (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010704751.7A CN111963608B (en) | 2020-07-21 | 2020-07-21 | Self-resetting shearing type lead damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010704751.7A CN111963608B (en) | 2020-07-21 | 2020-07-21 | Self-resetting shearing type lead damper |
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| Publication Number | Publication Date |
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| CN111963608A CN111963608A (en) | 2020-11-20 |
| CN111963608B true CN111963608B (en) | 2022-03-22 |
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| KR200376300Y1 (en) * | 2004-11-10 | 2005-03-11 | 박성경 | Flat plumbum holder that combine shock-absorbing cushion function for fishing |
| CN201908371U (en) * | 2011-01-13 | 2011-07-27 | 北京工业大学 | Structure of lead shearing damper |
| CN105672520A (en) * | 2016-03-25 | 2016-06-15 | 大连理工大学 | Self-resetting SMA (shape memory alloy)-shearing lead combined energy dissipation damper |
| CN106122347A (en) * | 2016-08-09 | 2016-11-16 | 中国电力科学研究院 | A kind of amortisseur |
| CN106321706A (en) * | 2016-08-19 | 2017-01-11 | 中国电力科学研究院 | Lead alloy shearing-type damper used for support column-type electric equipment |
| CN106592808A (en) * | 2017-01-22 | 2017-04-26 | 北京工业大学 | Large stroke drum type lead shearing damper |
| CN106812226A (en) * | 2017-01-20 | 2017-06-09 | 东南大学 | A kind of anti-buckling support composite buffer of viscoplasticity |
| CN108060725A (en) * | 2018-01-09 | 2018-05-22 | 上海市建筑科学研究院 | A kind of tension and compression type self reset curvature-prevention energy dissipation brace |
-
2020
- 2020-07-21 CN CN202010704751.7A patent/CN111963608B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200376300Y1 (en) * | 2004-11-10 | 2005-03-11 | 박성경 | Flat plumbum holder that combine shock-absorbing cushion function for fishing |
| CN201908371U (en) * | 2011-01-13 | 2011-07-27 | 北京工业大学 | Structure of lead shearing damper |
| CN105672520A (en) * | 2016-03-25 | 2016-06-15 | 大连理工大学 | Self-resetting SMA (shape memory alloy)-shearing lead combined energy dissipation damper |
| CN106122347A (en) * | 2016-08-09 | 2016-11-16 | 中国电力科学研究院 | A kind of amortisseur |
| CN106321706A (en) * | 2016-08-19 | 2017-01-11 | 中国电力科学研究院 | Lead alloy shearing-type damper used for support column-type electric equipment |
| CN106812226A (en) * | 2017-01-20 | 2017-06-09 | 东南大学 | A kind of anti-buckling support composite buffer of viscoplasticity |
| CN106592808A (en) * | 2017-01-22 | 2017-04-26 | 北京工业大学 | Large stroke drum type lead shearing damper |
| CN108060725A (en) * | 2018-01-09 | 2018-05-22 | 上海市建筑科学研究院 | A kind of tension and compression type self reset curvature-prevention energy dissipation brace |
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| Publication number | Publication date |
|---|---|
| CN111963608A (en) | 2020-11-20 |
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