CN114542644A - Three-dimensional shock absorption, isolation and anti-swing device with replaceable damping part - Google Patents
Three-dimensional shock absorption, isolation and anti-swing device with replaceable damping part Download PDFInfo
- Publication number
- CN114542644A CN114542644A CN202210086452.0A CN202210086452A CN114542644A CN 114542644 A CN114542644 A CN 114542644A CN 202210086452 A CN202210086452 A CN 202210086452A CN 114542644 A CN114542644 A CN 114542644A
- Authority
- CN
- China
- Prior art keywords
- hydraulic system
- hydraulic
- guide pipe
- piston
- cylinder body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000013016 damping Methods 0.000 title claims abstract description 78
- 238000002955 isolation Methods 0.000 title claims abstract description 38
- 230000035939 shock Effects 0.000 title claims description 43
- 238000010521 absorption reaction Methods 0.000 title claims description 10
- 239000003921 oil Substances 0.000 claims abstract description 39
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 description 24
- 230000009471 action Effects 0.000 description 14
- 230000033001 locomotion Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
-
- 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
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/20—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with the piston-rod extending through both ends of the cylinder, e.g. constant-volume dampers
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/54—Arrangements for attachment
-
- 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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
-
- 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
- F16F2230/00—Purpose; Design features
- F16F2230/0005—Attachment, e.g. to facilitate mounting onto confer adjustability
-
- 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
- F16F2230/00—Purpose; Design features
- F16F2230/32—Modular design
-
- 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
- F16F2232/00—Nature of movement
- F16F2232/08—Linear
Abstract
The invention relates to a three-dimensional seismic isolation and swing resistance device with a replaceable damping component, which comprises a first hydraulic system, a second hydraulic system connecting component and a replaceable damping component (16), wherein the second hydraulic system and the first hydraulic system have the same structure and are placed in an inverted manner; the first hydraulic system comprises a first pin seat (1), a second pin seat (2), a first pin head (4), a second pin head (5), a piston rod (6), a piston (7), a hydraulic cylinder body (8), hydraulic oil (9), an air cavity (10), a first oil outlet (14) and a second oil outlet (15); the hydraulic cylinder body (8) is divided into a hydraulic cavity and an air cavity (10) which are mutually connected. The replaceable damping part (16) is arranged at the hydraulic system connecting upper guide pipe (17) or the hydraulic system connecting lower guide pipe (18), and the replaceable damping part (16) is provided with a liquid channel, and the inner diameter of the liquid channel is smaller than that of the hydraulic system connecting upper guide pipe (17) or the hydraulic system connecting lower guide pipe (18) connected with the liquid channel.
Description
Technical Field
The invention belongs to the fields of civil engineering and mechanical engineering and seismic isolation and relates to a three-dimensional seismic isolation and vibration isolation device with a replaceable damping component, which has anti-swing capacity and enough damping force and can realize damping adjustment through the replaceable damping component of a replacement device, and is suitable for seismic isolation in the fields of industrial and civil buildings, bridges, equipment, nuclear power facilities and the like.
Background
Earthquake is a serious natural disaster with sudden property, and collapse damage of building structures under the action of earthquake is one of main causes of human life and property loss. In order to reduce and eliminate the great threat of earthquake to the life and property of people, the traditional building earthquake-resistant method takes 'hard resistance' as the main part, improves the earthquake-resistant performance of the structure through ductile design, and mainly absorbs and consumes earthquake kinetic energy by means of plastic deformation of the self components of the building structure. However, the traditional seismic method is based on seismic fortification intensity for building design, and the structure is still seriously damaged when rare earthquakes occur. Aiming at the defects of the traditional anti-seismic method, domestic and foreign scholars propose technical measures represented by shock isolation, energy dissipation and shock absorption. At present, the research and application of seismic isolation structures mainly focus on horizontal seismic isolation techniques. The representative rubber shock insulation support, friction pendulum shock insulation support, sliding shock insulation support, rolling shock insulation support and the like have good shock insulation effects in horizontal shock insulation. However, seismic action is a complex three-dimensional motion, and there is not only a horizontal component but also a vertical component in seismic action. In recent years, strong earthquake records at home and abroad show that the vertical component of the earthquake action is stronger under most earthquakes and even exceeds the horizontal component. In addition, in research and actual earthquake damage, the vertical earthquake action can cause serious damage to internal non-structural objects although the structure is not seriously damaged in the earthquake, so that the structure lacks important functions and causes huge loss, and even escape of people in the earthquake is seriously influenced. Therefore, it is important to control the effect of vertical seismic action on the structure.
Since the 80 years of the 20 th century, many scholars both at home and abroad have started the research of three-dimensional seismic isolation technology. After 2000 years, scholars at home and abroad put forward various different types of three-dimensional shock insulation supports for building structures, and the three-dimensional shock insulation technology is gradually developed. However, the three-dimensional seismic isolation technology is still in the research, development and design stage at present, and has a certain distance from popularization and application. At present, three-dimensional shock insulation supports at home and abroad are generally divided into an independent type and a combined type. The independent three-dimensional shock isolation support is an integrated device, such as a hydraulic three-dimensional shock isolation device, a thick rubber shock isolation support and the like. The combined three-dimensional shock insulation is realized by combining a horizontal shock insulation component and a vertical shock insulation component in a series connection mode to achieve the purpose of three-dimensional shock insulation, such as a friction pendulum-thick rubber three-dimensional shock insulation device, a laminated rubber pad-disc spring combined three-dimensional shock insulation device, a laminated rubber pad-air spring three-dimensional shock insulation device, a lead rubber support-lead disc spring three-dimensional shock insulation device, a rubber support-negative stiffness device three-dimensional shock insulation system and the like.
Under the action of earthquake, the vertical vibration control of the structure has greater difficulty than the horizontal vibration control. Because the vertical stiffness of the structure is relatively greater, common shock absorption measures (such as various dampers) are difficult to play an effective role, and may lose functions after a strong shock action. Because the horizontal and vertical natural vibration frequencies of the three-dimensional vibration isolation system are low, the center of mass of the structure and the vibration isolation support are not at the same height, and the swinging reaction of the three-dimensional vibration isolation structure under the action of an earthquake is difficult to control. The sway problem is more severe as building heights increase. The swinging problem of the structure becomes the key point of urgent need of attention in the three-dimensional shock insulation research application at the present stage. At present, relevant scholars provide a self-balancing three-dimensional shock-isolating and anti-swing device which is respectively communicated with a balance cylinder through two sets of hydraulic systems, hydraulic oil on the left side and the right side is utilized to respectively balance a piston and a piston rod of the balance cylinder through thrust generated by positive pressure and suction generated by negative pressure, so as to realize anti-swing, but because the liquid needs time for pressure intensity transmission, when the device swings instantly, the positive pressure generated by the hydraulic oil on one side directly acts on the piston and the piston rod of the balance cylinder, the negative pressure generated by the hydraulic oil on the other side can cause the inside of a connecting conduit to generate vacuum, the existence of the internal vacuum causes the negative pressure to be instantly unable to be balanced with the positive pressure, and the anti-swing effect cannot be fully exerted; meanwhile, the device needs a conversion part to realize self-balancing anti-swing, the pipeline joint is increased, and more factors influencing damping are provided. Therefore, there is a need to develop a novel three-dimensional seismic isolation and reduction device capable of effectively resisting structural sway.
Disclosure of Invention
The invention aims to provide a three-dimensional shock absorption and isolation anti-swing device with a replaceable damping part, which has anti-swing capacity and enough damping force and can realize damping adjustment by replacing the replaceable damping part, and aims to solve the defects of the existing three-dimensional shock isolation device, namely the problem of swing of the traditional three-dimensional shock isolation structure. The replaceable damping component is utilized to provide damping force for the structure, and the effect of reducing earthquake response is achieved. The technical scheme of the invention is as follows:
a three-dimensional seismic isolation and anti-swing device with a replaceable damping component comprises a first hydraulic system, a second hydraulic system, a connecting component and a replaceable damping component 16, wherein the second hydraulic system and the first hydraulic system are identical in structure and are placed in an inverted mode; wherein the content of the first and second substances,
the first hydraulic system comprises a first pin seat 1, a second pin seat 2, a first pin head 4, a second pin head 5, a piston rod 6, a piston 7, a hydraulic cylinder body 8, hydraulic oil 9, an air cavity 10, a first oil outlet 14 and a second oil outlet 15; the hydraulic cylinder body 8 is divided into a hydraulic cavity and an air cavity 10 which are mutually connected, hydraulic oil 10 is filled in the hydraulic cavity, and the piston 8 is arranged in the hydraulic cylinder body; the pin seat I1 is connected with a pin head I4 through a pin shaft, the pin head I4 is connected with one end of a piston rod 6, the other end of the piston rod 6 penetrates through a hydraulic cylinder body 8 and a piston 7 and then extends into an air cavity 10, and sealing elements are arranged between the upper connection part and the lower connection part of the piston rod 6 and the hydraulic cylinder body 8, so that hydraulic oil is sealed in the hydraulic cavity and does not enter the air cavity; the pin seat II 2 is connected with the pin head II 5 through a pin shaft; a sealing element is arranged between the piston 7 and the hydraulic cylinder 8;
the connecting part comprises a hydraulic system connecting upper conduit 17 and a hydraulic system connecting lower conduit 18, a first oil outlet 14 of the first hydraulic system is communicated with a second oil outlet 15 of the second hydraulic system through the hydraulic system connecting upper conduit 17, and the second oil outlet 15 of the first hydraulic system is communicated with the first oil outlet 14 of the second hydraulic system through the hydraulic system connecting lower conduit 18;
the replaceable damping member 16 is provided at the hydraulic system upper conduit 17 or the hydraulic system lower conduit 18, and the replaceable damping member 16 is provided with a liquid passage having an inner diameter smaller than that of the hydraulic system upper conduit 17 or the hydraulic system lower conduit 18 to which it is connected.
Further, the damping force provided by the three-dimensional seismic isolation and anti-sway device is changed by adjusting the diameter, length and number of the replaceable damping parts 16.
Further, the piston rod 6 and the piston 7 are integrally connected or in threaded connection.
Further, the piston rod 6 and the hydraulic cylinder 8 are sealed by a seal ring.
The three-dimensional shock absorption, isolation and anti-swing device with the replaceable damping part has the following advantages:
1. according to the three-dimensional shock isolation device, the first hydraulic system and the second hydraulic system can cooperatively work to effectively inhibit the swinging of the structure, so that the functions and the applicability of the three-dimensional shock isolation device are expanded.
2. According to the invention, the replaceable damping component is arranged on the hydraulic system connecting conduit or the oil outlet, and when the first hydraulic system and the second hydraulic system work cooperatively to inhibit the swing of the upper structure, the shock absorption and the seismic energy dissipation can be realized through the replaceable damping component. Compared with other hydraulic shock insulation devices, the hydraulic shock insulation device has stronger stability and increased energy consumption capability.
3. According to the invention, the replaceable damping part is arranged on the hydraulic system connecting guide pipe, so that on one hand, the energy of earthquake can be dissipated, and the replaceable damping part can be replaced aiming at the earthquake isolation requirements or performance under the action of earthquake motion with different intensities by utilizing the characteristic that the replaceable damping part is easy to disassemble and assemble; on the other hand, the height of the hydraulic cylinder can be effectively reduced, resources are saved, and cost is reduced.
4. The three-dimensional shock absorption, isolation and anti-swing device with the replaceable damping part is simple in structure and convenient to manufacture and process.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the three-dimensional seismic isolation and sway damping device with replaceable damping parts according to the present invention.
Fig. 2 is a three-dimensional perspective view of the device.
Fig. 3 is a schematic diagram of the movement of the components of the device when the main structure generates vertical translation.
FIG. 4 is a schematic diagram of the movement of the components of the device when the main structure is rocked.
The components in the figure are labeled as follows: 1. the hydraulic cylinder comprises a first pin seat 2, a second pin seat 3, a pin shaft 4, a first pin head 5, a second pin head 6, a piston rod 7, a piston 8, a hydraulic cylinder body 9, hydraulic oil 10, an air cavity 11, a hydraulic cylinder exhaust port 12, an oil filling port 13, a cavity exhaust hole 14, a first oil outlet 15, a second oil outlet 16, a replaceable damping part 17, a hydraulic system upper connecting guide pipe 18 and a hydraulic system lower connecting guide pipe.
Detailed Description
The three-dimensional seismic isolation and sway damping device implementation with replaceable damping components of the present invention will be described in detail below with reference to the drawings so that the advantages and features of the present invention can be more readily understood by those skilled in the art.
The three-dimensional seismic isolation and anti-swing device with the replaceable damping component comprises a first hydraulic system, a second hydraulic system, a connecting component and a replaceable damping component 16; the first hydraulic system and the second hydraulic system are placed in an inverted manner, and each hydraulic system comprises a first pin base 1, a second pin base 2, a pin shaft 3, a first pin head 4, a second pin head 5, a piston rod 6, a piston 7, a hydraulic cylinder body 8, hydraulic oil 9, an air cavity 10, a hydraulic cylinder exhaust port 11, an oil filling port 12, a cavity exhaust hole 13, a first oil outlet 14 and a second oil outlet 15; the connecting parts comprise a hydraulic system connecting upper guide pipe 17 and a hydraulic system connecting lower guide pipe 18; the first pin seat 1 is connected with a first pin head 4 through a pin shaft 3, the first pin head 4 is connected with a piston rod 6, the other end of the piston rod 6 extends into an air cavity 10 and is in direct contact with hydraulic oil 9, and the second pin seat 2 is connected with a second pin head 5 through the pin shaft 3; the piston rod 6 penetrates through the piston 7, and the upper part and the lower part of the piston 7 are directly contacted with hydraulic oil 9 and sealed through a sealing ring; the first oil outlet 14 of the first hydraulic system is communicated with the second oil outlet 15 of the second hydraulic system through a hydraulic system connecting upper conduit 17, and the second oil outlet 15 of the first hydraulic system is communicated with the first oil outlet 14 of the second hydraulic system through a hydraulic system connecting lower conduit 18.
A first pin head 4 of the device is connected with a piston rod 6 by welding; the piston rod 6 and the piston 7 are integrally connected or in threaded connection.
The air chamber 10 of the device is provided with a cavity vent hole 13; the side wall of the hydraulic cylinder body 8 is provided with a hydraulic cylinder exhaust port 11 and an oil filling port 12; the piston rod 6 and the hydraulic cylinder body 8 are sealed through a sealing ring.
The combination proportion of the number of the first hydraulic systems and the second hydraulic systems of the device is flexibly arranged according to different design requirements; the first hydraulic system and the second hydraulic system can be arranged in height and diameter according to different shock insulation requirements so as to meet the requirements of a main body structure on damping force and anti-swing rigidity provided by the device.
The hydraulic system connecting upper guide pipe 17 and the hydraulic system connecting lower guide pipe 18 of the device can be rubber hoses or steel pipes, and the hydraulic system connecting upper guide pipe 17 and the hydraulic system connecting lower guide pipe 18 are in threaded connection with the first oil outlet 14 and the second oil outlet 15.
The replaceable damping part 16 of the device can be installed on the hydraulic system connecting upper conduit 17 and the hydraulic system connecting lower conduit 18 through threaded connection or on the oil outlet I14 and the oil outlet II 15 of the hydraulic system, and the damping force provided by the device can be changed by adjusting the number of the replaceable damping parts 16.
The invention discloses a method for realizing three-dimensional shock insulation and swing resistance of a device, which is characterized in that when the device is normally used, an exhaust port 11 and an oil injection port 12 of a hydraulic cylinder are both in a closed state; when the main structure is subjected to vertical earthquake action, the device performs vertical translation, taking downward movement as an example, as shown in fig. 3, a pin seat I1, a pin shaft 3 and a pin head I4 of a first hydraulic system move downward together with a piston rod 6 and a piston 7, hydraulic oil 9 in a middle cavity of a hydraulic cylinder flows out from an oil outlet II 15 of the first hydraulic system, flows from left to right through a replaceable damping part 16 and a lower conduit 18 connected with the hydraulic system, enters a lower cavity of a second hydraulic cylinder through an oil outlet I14 of the second hydraulic system, because the piston rod 6 and the piston 7 of the second hydraulic system are kept still, the hydraulic oil 9 pushes a hydraulic cylinder body 8 of the second hydraulic system to move downward, the hydraulic oil 9 generates damping force when flowing through the replaceable damping part 16, consumes part of earthquake force, and simultaneously the pin seat II 2, the pin shaft 3 and the pin head II 5 of the second hydraulic system move downward together with the hydraulic cylinder body 8, the piston rod 6 and the piston 7 are kept still, hydraulic oil 9 in the middle cavity of the hydraulic cylinder flows out of a second oil outlet 15 of the second hydraulic system, is connected with an upper guide pipe 17 through the hydraulic system, and flows from the right to the left through the replaceable damping part 16, enters the upper cavity of the first hydraulic cylinder through a first oil outlet 14 of the first hydraulic system, pushes the piston rod 6 and the piston 7 of the first hydraulic system to move downwards, and generates damping force when the hydraulic oil 9 flows through the replaceable damping part 16 to consume part of seismic force; when the main structure swings, the device rotates, for example, the first hydraulic system moves downwards, and the second hydraulic system moves upwards, as shown in fig. 4, the pin seat 1, the pin shaft 3 and the pin head 4 of the first hydraulic system move downwards together with the piston rod 6 and the piston 7, the hydraulic oil 9 in the middle cavity of the hydraulic cylinder flows out from the oil outlet two 15 of the first hydraulic system, flows from left to right through the replaceable damping part 16 and the lower conduit 18 connected with the hydraulic system, and enters the lower cavity of the second hydraulic cylinder through the oil outlet one 14 of the second hydraulic system, because the piston rod 6 and the piston 7 of the second hydraulic system keep still, the hydraulic oil 9 pushes the hydraulic cylinder body 8 of the second hydraulic system to move downwards, the hydraulic oil 9 generates damping force when flowing through the replaceable damping part 16, consumes part of seismic force, the pin seat two 2, the pin seat 2 of the second hydraulic system, and the piston 7 of the second hydraulic system, The pin shaft 3, the pin head II 5 and the hydraulic cylinder body 8 move upwards, the piston rod 6 and the piston 7 are kept still, hydraulic oil 9 in a lower cavity of the hydraulic cylinder flows out of a first oil outlet 14 of a second hydraulic system, flows from right to left through a hydraulic system connecting lower guide pipe 18 and a replaceable damping part 16, enters a middle cavity of the first hydraulic cylinder through a second oil outlet 15 of the first hydraulic system, pushes the piston rod 6 and the piston 7 of the first hydraulic system to move upwards, the hydraulic oil 9 generates damping force when flowing through the replaceable damping part 16, consumes partial seismic force, the piston rod 6 and the piston 7 of the first hydraulic system generate the trend of moving upwards while moving downwards, the hydraulic cylinder body 8 of the second hydraulic system generates the trend of moving downwards while moving upwards, and the two trends resist against each other to ensure that the first hydraulic system and the second hydraulic system cannot generate large displacement, the main structure is restrained from swinging due to earthquake, and the anti-swinging function of the device is realized.
The method utilizes hydraulic oil 9 to generate damping force through damping holes in the replaceable damping part 16 to achieve the effect of dissipating the earthquake force; during normal use, the damping force provided by the replaceable damping member 16 is calculated by:
wherein D represents the diameter of the piston 7, D represents the diameter of the damping hole of the replaceable damping member 16, D1Denotes the diameter, d, of the piston rod 6pThe inner diameters of the hydraulic system connecting lines 17, 18 are shown,/. the lengths of the damping bores of the replaceable damping part 16 are shown,/pWhich indicates the length of the hydraulic system connecting conduits 17, 18, V the speed of movement of the piston 7, k the consistency factor of the hydraulic oil 9, m the flow index of the hydraulic oil 9 and N the number of damping orifices per replaceable damping element 16.
When the device is used, the three-dimensional shock absorption, isolation and anti-swing device with the replaceable damping part is placed at the bottom of structures bearing earthquake action or other power actions, such as industrial and civil buildings, bridges, equipment, nuclear power facilities and the like, and when the device generates vertical motion, the first hydraulic system and the second hydraulic system jointly play a role, and the replaceable damping part 16 provides damping force to consume earthquake force; when the device rotates, the first hydraulic system and the second hydraulic system jointly play a role to restrain the inclination angle of the structure; when the device works, external energy is not needed to be supplied, after the earthquake is finished, the original state can be restored, and the device can realize the anti-swing; the replaceable damping part 16 can be replaced by damping holes with different diameters, lengths and numbers so as to provide damping forces with different sizes and meet the shock insulation requirements or test requirements under different earthquake action conditions.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and it should be noted that the above-mentioned embodiments are illustrative rather than limiting, and all the equivalent structures or equivalent flow transformations that are made by using the principles of the present specification and the contents of the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. A three-dimensional shock absorption, isolation and anti-swing device with a replaceable damping component comprises a first hydraulic system, a second hydraulic system, a connecting component and a replaceable damping component (16), wherein the second hydraulic system and the first hydraulic system have the same structure and are placed in an inverted manner,
the first hydraulic system comprises a first pin seat (1), a second pin seat (2), a first pin head (4), a second pin head (5), a piston rod (6), a piston (7), a hydraulic cylinder body (8), hydraulic oil (9), an air cavity (10), a first oil outlet (14) and a second oil outlet (15); the hydraulic cylinder body (8) is divided into a hydraulic cavity and an air cavity (10) which are mutually connected, hydraulic oil (10) is filled in the hydraulic cavity, and the piston (8) is arranged in the hydraulic cylinder body; the pin seat I (1) is connected with the pin head I (4) through a pin shaft, the pin head I (4) is connected with one end of a piston rod (6), the other end of the piston rod (6) penetrates through a hydraulic cylinder body (8) and a piston (7) and then extends into an air cavity (10), and sealing elements are arranged between the upper connecting part and the lower connecting part of the piston rod (6) and the hydraulic cylinder body (8) respectively, so that hydraulic oil is sealed in the hydraulic cavity and does not enter the air cavity; the pin seat II (2) is connected with the pin head II (5) through a pin shaft; a sealing element is arranged between the piston (7) and the hydraulic cylinder body (8).
The connecting part comprises a hydraulic system connecting upper guide pipe (17) and a hydraulic system connecting lower guide pipe (18), a first oil outlet (14) of the first hydraulic system is communicated with a second oil outlet (15) of the second hydraulic system through the hydraulic system connecting upper guide pipe (17), and the second oil outlet (15) of the first hydraulic system is communicated with the first oil outlet (14) of the second hydraulic system through the hydraulic system connecting lower guide pipe (18);
the replaceable damping part (16) is arranged at the hydraulic system connecting upper guide pipe (17) or the hydraulic system connecting lower guide pipe (18), and the replaceable damping part (16) is provided with a liquid channel, and the inner diameter of the liquid channel is smaller than that of the hydraulic system connecting upper guide pipe (17) or the hydraulic system connecting lower guide pipe (18) connected with the liquid channel.
2. The three-dimensional seismic isolation and sway damping device of claim 1, wherein the damping force provided by the three-dimensional seismic isolation and sway damping device is varied by adjusting the diameter, length, and number of the replaceable damping members (16).
3. The three-dimensional seismic isolation and swing resistance device according to claim 1, wherein the piston rod (6) and the piston (7) are integrally connected or in threaded connection.
4. The three-dimensional seismic isolation and swing resistance device according to claim 1, wherein the piston rod (6) and the hydraulic cylinder body (8) are sealed by a sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210086452.0A CN114542644A (en) | 2022-01-25 | 2022-01-25 | Three-dimensional shock absorption, isolation and anti-swing device with replaceable damping part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210086452.0A CN114542644A (en) | 2022-01-25 | 2022-01-25 | Three-dimensional shock absorption, isolation and anti-swing device with replaceable damping part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114542644A true CN114542644A (en) | 2022-05-27 |
Family
ID=81670823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210086452.0A Pending CN114542644A (en) | 2022-01-25 | 2022-01-25 | Three-dimensional shock absorption, isolation and anti-swing device with replaceable damping part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114542644A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115897839A (en) * | 2023-02-28 | 2023-04-04 | 陇东学院 | Shock absorption and isolation structure of building |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006342933A (en) * | 2005-06-10 | 2006-12-21 | Ishikawajima Harima Heavy Ind Co Ltd | Rocking preventing device for base-isolation system |
| CN103216021A (en) * | 2013-04-10 | 2013-07-24 | 燕山大学 | Hydraulic pulse-type vertical shock isolating device |
| CN203717764U (en) * | 2013-12-20 | 2014-07-16 | 上海通用汽车有限公司 | Throttling device and air damper comprising same |
| CN107514438A (en) * | 2016-07-23 | 2017-12-26 | 襄阳博亚精工装备股份有限公司 | A kind of two-way hydraulic buffer |
| CN108867883A (en) * | 2018-07-27 | 2018-11-23 | 佛山科学技术学院 | A kind of three-dimensional isolation structure of bilayer shock insulation |
| CN110552429A (en) * | 2019-08-27 | 2019-12-10 | 天津大学 | Self-balancing three-dimensional shock-isolation anti-swing device and method |
| CN111188865A (en) * | 2020-02-17 | 2020-05-22 | 常州机电职业技术学院 | Hydraulic damper with rigidity adjusting device |
| CN112538909A (en) * | 2020-12-17 | 2021-03-23 | 广东城市资源开发利用有限公司 | Self-balancing three-dimensional shock isolation system with negative stiffness |
-
2022
- 2022-01-25 CN CN202210086452.0A patent/CN114542644A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006342933A (en) * | 2005-06-10 | 2006-12-21 | Ishikawajima Harima Heavy Ind Co Ltd | Rocking preventing device for base-isolation system |
| CN103216021A (en) * | 2013-04-10 | 2013-07-24 | 燕山大学 | Hydraulic pulse-type vertical shock isolating device |
| CN203717764U (en) * | 2013-12-20 | 2014-07-16 | 上海通用汽车有限公司 | Throttling device and air damper comprising same |
| CN107514438A (en) * | 2016-07-23 | 2017-12-26 | 襄阳博亚精工装备股份有限公司 | A kind of two-way hydraulic buffer |
| CN108867883A (en) * | 2018-07-27 | 2018-11-23 | 佛山科学技术学院 | A kind of three-dimensional isolation structure of bilayer shock insulation |
| CN110552429A (en) * | 2019-08-27 | 2019-12-10 | 天津大学 | Self-balancing three-dimensional shock-isolation anti-swing device and method |
| CN111188865A (en) * | 2020-02-17 | 2020-05-22 | 常州机电职业技术学院 | Hydraulic damper with rigidity adjusting device |
| CN112538909A (en) * | 2020-12-17 | 2021-03-23 | 广东城市资源开发利用有限公司 | Self-balancing three-dimensional shock isolation system with negative stiffness |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115897839A (en) * | 2023-02-28 | 2023-04-04 | 陇东学院 | Shock absorption and isolation structure of building |
| CN115897839B (en) * | 2023-02-28 | 2023-05-09 | 陇东学院 | Shock absorbing and isolating structure of building |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110552429B (en) | Self-balancing three-dimensional shock-isolation anti-swing device and method | |
| CN109763581B (en) | Building structure foundation module with three-dimensional shock insulation and vibration reduction | |
| US20210301900A1 (en) | A three-dimensional isolator with adaptive stiffness property | |
| TW520422B (en) | Inflated ball-type damping and shock-absorbing device | |
| CN110468695B (en) | Rigidity-variable three-dimensional shock isolation method and device | |
| CN203247729U (en) | Viscous damper with static rigidity | |
| CN113106999B (en) | Offshore wind power jacket structure with additional viscous damper | |
| CN114542644A (en) | Three-dimensional shock absorption, isolation and anti-swing device with replaceable damping part | |
| CN102269185B (en) | Ram pump with energy-saving noise-reduction improvement structure | |
| CN111218998A (en) | Metal and composite material laminated damper | |
| CN106930590B (en) | Novel space grid structure ball joint device with damping function | |
| CN210859661U (en) | Three-dimensional shock insulation anti-swing device with self-balancing function | |
| CN214788745U (en) | Bidirectional self-locking damper | |
| CN111218999A (en) | Metal and spring rubber composite damper | |
| CN114790785A (en) | Large-bearing-capacity high-energy-consumption three-dimensional shock insulation support suitable for building structure | |
| CN114775413A (en) | Existing pier anti-seismic performance improving structure and method based on inertial container shock insulation and swing | |
| Fujita | Application of hybrid mass damper with convertible active and passive modes using hydraulic actuator to high-rise building | |
| CN209941942U (en) | Viscous damping device of damping structure | |
| CN219794273U (en) | Anti-seismic energy dissipation damper for building structure | |
| CN109137719B (en) | Mixed damping vibration isolator suitable for bridge vibration | |
| CN209722738U (en) | A kind of On A Retrofitted Damper for inhibiting bridge stay cable to vibrate | |
| CN212840070U (en) | Anti-seismic vibration isolation support of nuclear power station | |
| CN110847024A (en) | Composite energy consumption seismic isolation and reduction device | |
| CN219732309U (en) | LNG storage tank safe shock insulation support system for soft soil site | |
| CN112502321B (en) | Partition wall and frame energy dissipation and shock absorption connecting component capable of rotating at any angle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |