CN107606046A - A kind of ball type earthquake isolation device - Google Patents
A kind of ball type earthquake isolation device Download PDFInfo
- Publication number
- CN107606046A CN107606046A CN201711076648.7A CN201711076648A CN107606046A CN 107606046 A CN107606046 A CN 107606046A CN 201711076648 A CN201711076648 A CN 201711076648A CN 107606046 A CN107606046 A CN 107606046A
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- Prior art keywords
- spin
- isolation device
- ball type
- earthquake isolation
- type earthquake
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- 238000002955 isolation Methods 0.000 title claims abstract description 24
- 238000005096 rolling process Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 4
- 238000013016 damping Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Abstract
The invention discloses a kind of ball type earthquake isolation device, including rolling mechanism (1), the upper and lower ends of rolling mechanism (1) are respectively equipped with cushion socket (2)；Described rolling mechanism (1) includes retainer (101), retainer (101) is provided with multiple through holes (102), spin (103) is equipped with each through hole (102), spin (103) upper and lower ends are in contact with cushion socket (2) respectively；Described cushion socket (2) includes spin friction plate (201), and spin friction plate (201) is provided with back-up ring (202).The characteristics of present invention has convenient installation and improves damping effect.
Description
Technical field
The present invention relates to a kind of production method of isolator, particularly a kind of manufacturing process of ball type earthquake isolation device.
Background technology
In the key equipment of some nuclear power products or the reflecting system of military equipment, in order to reduce because outer by earthquake etc.
Boundary shakes and enters the input acceleration of building, typically can place damper device in the bottom of building.It is but existing
Damper can only move along track progress is unidirectional, and seismic wave has scalar property, so that can not be comprehensive play subtracts
Function of shock insulation is shaken, influences damping effect.Therefore, existing technology there is damping effect it is undesirable the problem of.
The content of the invention
It is an object of the present invention to provide a kind of ball type earthquake isolation device.The present invention has improvement earthquake isolation effect
The characteristics of.
Technical scheme：A kind of ball type earthquake isolation device, including rolling mechanism, the upper and lower ends of rolling mechanism
It is respectively equipped with cushion socket；Described rolling mechanism includes retainer, and retainer is provided with multiple through holes, is equipped with each through hole
Spin, spin upper and lower ends are in contact with cushion socket respectively；Described cushion socket includes spin friction plate, is set on spin friction plate
There is back-up ring.
In a kind of foregoing ball type earthquake isolation device, described spin friction plate includes substrate, and substrate is provided with annular
Mounting groove, annular mounting groove inwall, which is provided with, is oriented to skewback, and annular mounting groove bottom is provided with locating slot.
In a kind of foregoing ball type earthquake isolation device, described back-up ring bottom is provided with respectively with being oriented to skewback and locating slot
Corresponding inclined-plane and positioning strip.
In a kind of foregoing ball type earthquake isolation device, the section of the back-up ring inner ring is arcuate structure；Described arc
For structure based on quadrant, quadrant outer end is provided with limit opening；Described limit opening includes off-centre operation portion
Divide and parabola branch, eccentric circular portion are made up of an eccentric off-centre operation in the lower section to the quadrant center of circle, off-centre operation
Radius be the radius of quadrant and the eccentric throw sum of half, parabola branch is from one to prolonging on the inside of off-centre operation
The parabolic segment stretched is formed, and the center of circle on the summit of described parabolic segment, the center of circle of off-centre operation and semicircle is in same straight line,
And parabolic segment and corresponding off-centre operation are tangent.
In a kind of foregoing ball type earthquake isolation device, the point of contact of described parabola branch and eccentric circular portion corresponds to
The angle of ordinate is 70 ° -80 °, and described parabolical disengaging angle is 15 ° -20 °, the opening value of described eccentric circular portion
Ratio with the opening value of whole limit opening is 0.2-0.3.
In a kind of foregoing ball type earthquake isolation device, the wall of the through hole is provided with electromagnet, and electromagnet is connected with
Controller, controller are connected with the pressure sensor on through hole wall.
In a kind of foregoing ball type earthquake isolation device, provided with the electromagnetism that two groups of winding directions are opposite in described electromagnet
Coil.
Described spin friction plate is the square structure that the length of side is more than 1000mm；The thickness of the spin friction plate is more than
30mm；A diameter of 150-250mm of the spin.
Compared with prior art, the present invention between the cushion socket of upper and lower ends by setting multiple spin, and passes through guarantor
Frame is held to ensure that spin is uniformly distributed, spin can be rolled in order with comprehensive progress so that the shock insulation of the earthquake isolation device is
Undirected, undirected vibrations caused by earthquake can be tackled completely, so as to greatly improve damping effect；Meanwhile the present invention is tight
Lattice control the arcuate structure of back-up ring inner ring, by setting limit opening in quadrant upper end, both can guarantee that the rolling of spin
Demand, spin is caused to be not easy to roll out cushion socket again；Limit opening, off-centre operation portion are formed by eccentric circular portion and parabola branch
Buffering can be played a part of to the spin rolled so far by dividing, and reduce the rolling speed of spin, parabola branch can be to spin
An inside reaction force is played, so as to effectively buffer spin, prevents spin from skidding off cushion socket；Off-centre operation portion simultaneously
Point and parabola branch be used cooperatively so that spin obtains larger opposite force, is advantageous to improve the effect of damper.It is comprehensive
It is upper described, the characteristics of there is convenient installation and improve damping effect of the invention.
In addition, the present invention also by setting mutually corresponding annular mounting groove and leading respectively on spin friction plate and back-up ring
To skewback, positioning can either be played a part of, moreover it is possible to increase bonding area, improve welding quality；Meanwhile pass through neck and positioning
The mutual cooperation of bar, it is possible to increase the installation accuracy of back-up ring and spin friction plate, improve welding quality.
The present invention also passes through the different magnet coil of two groups of winding directions built in the installation on the wall of retainer through hole
Electromagnet and pressure sensor, the different electromagnetic wire of electromagnet is controlled by controller according to the pressure suffered by pressure sensor
The "on" position and energization intensity of circle, magnetic pole is changed with this, so as to control the spacing between retainer and spin, come with this
The complexity of rolling ball rolls is controlled, so as to adjust the dynamics of damper in real time, meets actual requirement, improves damping effect
Fruit.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of spin friction plate；
The three-dimensional structure diagram of Fig. 3 back-up rings；
Fig. 4 is the sectional view of back-up ring；
Fig. 5 is to maintain the structural representation of frame；
Fig. 6 is the control figure of the present invention；
Fig. 7 is the schematic diagram of back-up ring inner ring arcuate structure；
Fig. 8 is Fig. 7 supplement schematic diagram.
Mark in accompanying drawing for：1- rolling mechanisms, 2- cushion sockets, 101- retainers, 102- through holes, 103- spin, 104-
Electromagnet, 105- controllers, 106- pressure sensors, 201- spin friction plates, 202- back-up rings, 203- substrates, 204- annular peaces
Tankage, 205- are oriented to skewback, 206- locating slots, 207- inclined-planes, 208- positioning strips, Y- quadrants, X- limit openings, PX-
Eccentric circular portion, PW- parabola branch, the point of contact of G- bias circular portions correspond to the angle of ordinate, the parabolical disengagings of T-
Angle, J- eccentric throws.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Embodiment.A kind of ball type earthquake isolation device, form as shown in Figures 1 to 8, including rolling mechanism 1, rolling mechanism
1 upper and lower ends are respectively equipped with cushion socket 2；Described rolling mechanism 1 includes retainer 101, and retainer 101 is provided with multiple logical
Hole 102, spin 103 is equipped with each through hole 102, the upper and lower ends of spin 103 are in contact with cushion socket 2 respectively；Described subtracts
Shake seat 2 includes spin friction plate 201, and spin friction plate 201 is provided with back-up ring 202.
Described spin friction plate 201 includes substrate 203, and substrate 203 is provided with annular mounting groove 204, annular mounting groove
204 inwalls, which are provided with, is oriented to skewback 205, and the bottom of annular mounting groove 204 is provided with locating slot 206.
The described bottom of back-up ring 202 is provided with inclined-plane 207 corresponding with guiding skewback 205 and locating slot 206 respectively and determined
Position bar 208.
Described spin friction plate 202 is the square structure that the length of side is more than 1000mm；The thickness of the spin friction plate 202
Degree is more than 30mm；A diameter of 150-250mm of the spin.
Preferably, described spin friction plate 202 is the square structure that the length of side is 1500mm；The spin friction plate
202 thickness is 40mm；A diameter of 250mm of the spin.
The both sides of the locating slot are additionally provided with neck, and described positioning strip both sides are provided with the card article corresponding with neck, card
Bar is provided with Expandable strip, and magnet and spring are provided between described card article and positioning strip.During original state, card article is close to positioning
Bar side, after back-up ring is arranged on spin friction plate, the magnetic of magnet is eliminated by demagnetizer, card article will be in spring force
In the presence of fastened with neck, while when being welded, expanded by heating bar can expanded by heating so that back-up ring and spin friction
Contact that can be even closer between plate, improve welding quality.
The section of the inner ring of back-up ring 202 is arcuate structure；Described arcuate structure is based on quadrant Y, and four
/ mono- circle Y outer ends are provided with limit opening X；Described limit opening X includes eccentric circular portion PX and parabola branch PW, eccentric
Circular portion PX is made up of an eccentric off-centre operation in the lower section to the quadrant center of circle, and the radius of off-centre operation is quadrant
Radius and half eccentric throw sum, parabola branch PW is from a parabolic segment shape to extension on the inside of off-centre operation
Into the center of circle on the summit of described parabolic segment, the center of circle of off-centre operation and semicircle is in same straight line, and the one of parabolic segment
End is tangent with corresponding off-centre operation.
The angle G that described parabola branch PW and eccentric circular portion PX point of contact corresponds to ordinate is 70 ° -80 °, institute
The parabolical disengaging angle T stated is 15 ° -20 °, described eccentric circular portion PX opening value and whole limit opening X opening
The ratio of value is 0.2-0.3.
The wall of the through hole 102 is provided with electromagnet 104, and electromagnet 104 is connected with controller 105, and controller 105 connects
The pressure sensor 106 being connected on the wall of through hole 102.
Provided with the magnet coil that two groups of winding directions are opposite in described electromagnet 104.
The side that described through hole contacts with spin is provided with constant inclined surface.
The top half of the spin is in contact with through hole, coordinates between described spin and through hole for gap.
Described quadrant Y outer ends refer to quadrant Y away from that side of spin friction plate.
Described controller 105 is also associated with power supply, and power supply is connected with pressure sensor 106.
The cushion socket of lower end is arranged in the ground of above ground structure, rolling then is installed in the cushion socket upper surface of lower end
Ball, retainer is installed in spin so that spin is evenly distributed on the upper surface of lower end cushion socket, is then set in spin upper end
The cushion socket of upper end, by the cushion socket of upper end together with building installation, that is, complete installation.When shaking, the damping of lower end
Seat is with the undirected movement of ground, so as to drive spin to carry out the rolling of opposite direction, spin by rolling come effective damping vibration,
So as to play the purpose of earthquake isolation.
During original state, controller control one of which magnet coil is powered so that retainer is in contact with spin, prevents
Spin is disorderly rolled；When shaking, spin can act on pressure sensor, the data of controller control pressure sensor, control
Another group of magnet coil is powered, and controls its size of current so that optimal spacing is kept between retainer and spin, so as to
Spin can obtain optimum rolling speed, improve damping effect.
Claims (8)
- A kind of 1. ball type earthquake isolation device, it is characterised in that：Including rolling mechanism (1), the upper and lower ends point of rolling mechanism (1) She You not cushion socket (2)；Described rolling mechanism (1) includes retainer (101), and retainer (101) is provided with multiple through holes (102) spin (103), is equipped with each through hole (102), spin (103) upper and lower ends are in contact with cushion socket (2) respectively； Described cushion socket (2) includes spin friction plate (201), and spin friction plate (201) is provided with back-up ring (202).
- A kind of 2. ball type earthquake isolation device according to claim 1, it is characterised in that：Described spin friction plate (201) substrate (203) is included, substrate (203) is provided with annular mounting groove (204), and annular mounting groove (204) inwall, which is provided with, to be oriented to Skewback (205), annular mounting groove (204) bottom are provided with locating slot (206).
- A kind of 3. ball type earthquake isolation device according to claim 2, it is characterised in that：Described back-up ring (202) bottom Provided with corresponding with guiding skewback (205) and locating slot (206) respectively inclined-plane (207) and positioning strip (208).
- A kind of 4. ball type earthquake isolation device according to claim 1, it is characterised in that：Back-up ring (202) inner ring Section is arcuate structure；Based on quadrant (Y), quadrant (Y) outer end is provided with spacing described arcuate structure It is open (X)；Described limit opening (X) includes eccentric circular portion (PX) and parabola branch (PW), eccentric circular portion (PX) by The eccentric off-centre operation in one lower section to the quadrant center of circle forms, and the radius of off-centre operation is the radius and two of quadrant / mono- eccentric throw sum, parabola branch (PW) is formed from a parabolic segment to extension on the inside of off-centre operation, described The center of circle on the summit of parabolic segment, the center of circle of off-centre operation and semicircle is in same straight line, and parabolic segment with it is corresponding inclined Heart circle is tangent.
- A kind of 5. ball type earthquake isolation device according to claim 4, it is characterised in that：Described parabola branch (PW) The angle (G) for corresponding to ordinate with the point of contact of eccentric circular portion (PX) is 70 ° -80 °, described parabolical disengaging angle (T) For 15 ° -20 °, the ratio of the opening value of described eccentric circular portion (PX) and the opening value of whole limit opening (X) is 0.2- 0.3。
- A kind of 6. ball type earthquake isolation device according to claim 1, it is characterised in that：The wall of the through hole (102) Electromagnet (104) is provided with, electromagnet (104) is connected with controller (105), and controller (105) is connected with positioned at through hole (102) Pressure sensor (106) on wall.
- A kind of 7. ball type earthquake isolation device according to claim 6, it is characterised in that：In described electromagnet (104) Provided with the opposite magnet coil of two groups of winding directions.
- A kind of 8. ball type earthquake isolation device according to claim 1, it is characterised in that：Described spin friction plate (202) it is more than 1000mm square structure for the length of side；The thickness of the spin friction plate (202) is more than 30mm；The spin A diameter of 150-250mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711076648.7A CN107606046B (en) | 2017-11-06 | 2017-11-06 | A kind of ball type earthquake isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711076648.7A CN107606046B (en) | 2017-11-06 | 2017-11-06 | A kind of ball type earthquake isolation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107606046A true CN107606046A (en) | 2018-01-19 |
| CN107606046B CN107606046B (en) | 2018-08-14 |
Family
ID=61085411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711076648.7A Active CN107606046B (en) | 2017-11-06 | 2017-11-06 | A kind of ball type earthquake isolation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107606046B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221652A (en) * | 2018-03-19 | 2018-06-29 | 西安建筑科技大学 | A kind of spherical shape friction-pendulum shock-insulation support |
| CN109027115A (en) * | 2018-10-15 | 2018-12-18 | 陈俊 | A kind of generator damper |
| CN112186580A (en) * | 2020-08-25 | 2021-01-05 | 国网山东省电力公司惠民县供电公司 | Vertical box shock attenuation transformer substation |
| CN113235404A (en) * | 2021-06-30 | 2021-08-10 | 重庆交通大学 | Assembled steel structure shock insulation bent cap |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09184542A (en) * | 1995-12-28 | 1997-07-15 | Fujikura Ltd | Base isolation device |
| CN1245241A (en) * | 1998-07-01 | 2000-02-23 | 西安交通大学 | Roll-swing type earthquake isolator |
| JP2002147476A (en) * | 2000-11-16 | 2002-05-22 | Nsk Ltd | Rolling bearing with seal |
| CN1396353A (en) * | 2001-07-06 | 2003-02-12 | 姜立平 | Earthquake damping and isolating mechanism |
| JP2003328588A (en) * | 2002-05-09 | 2003-11-19 | Tomomi Yoshitoshi | Double rolling support body with plurality of spherical bodies, base isolation device comprising excessive displacement suppressing mechanism and base isolation structure formed by combination with another hydraulic system or laminated rubber device |
| CN103981951A (en) * | 2014-05-30 | 2014-08-13 | 刘浩琳 | Combined ball shock insulation support |
| CN206308825U (en) * | 2016-12-23 | 2017-07-07 | 天津紫荆天工新材料科技有限公司 | A kind of rolling ball isolation device |
-
2017
- 2017-11-06 CN CN201711076648.7A patent/CN107606046B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09184542A (en) * | 1995-12-28 | 1997-07-15 | Fujikura Ltd | Base isolation device |
| CN1245241A (en) * | 1998-07-01 | 2000-02-23 | 西安交通大学 | Roll-swing type earthquake isolator |
| JP2002147476A (en) * | 2000-11-16 | 2002-05-22 | Nsk Ltd | Rolling bearing with seal |
| CN1396353A (en) * | 2001-07-06 | 2003-02-12 | 姜立平 | Earthquake damping and isolating mechanism |
| JP2003328588A (en) * | 2002-05-09 | 2003-11-19 | Tomomi Yoshitoshi | Double rolling support body with plurality of spherical bodies, base isolation device comprising excessive displacement suppressing mechanism and base isolation structure formed by combination with another hydraulic system or laminated rubber device |
| CN103981951A (en) * | 2014-05-30 | 2014-08-13 | 刘浩琳 | Combined ball shock insulation support |
| CN206308825U (en) * | 2016-12-23 | 2017-07-07 | 天津紫荆天工新材料科技有限公司 | A kind of rolling ball isolation device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221652A (en) * | 2018-03-19 | 2018-06-29 | 西安建筑科技大学 | A kind of spherical shape friction-pendulum shock-insulation support |
| CN109027115A (en) * | 2018-10-15 | 2018-12-18 | 陈俊 | A kind of generator damper |
| CN112186580A (en) * | 2020-08-25 | 2021-01-05 | 国网山东省电力公司惠民县供电公司 | Vertical box shock attenuation transformer substation |
| CN113235404A (en) * | 2021-06-30 | 2021-08-10 | 重庆交通大学 | Assembled steel structure shock insulation bent cap |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107606046B (en) | 2018-08-14 |
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| CP02 | Change in the address of a patent holder |
Address after: 310009 Room 8418, Tushan Yilang 2, Huancheng East Road, Shangcheng District, Hangzhou City, Zhejiang Province Patentee after: HANGZHOU DETI CIVIL AIR DEFENSE EQUIPMENT Co.,Ltd. Address before: 311400 No. 6, No. 13 Dongzhou Street, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU DETI CIVIL AIR DEFENSE EQUIPMENT Co.,Ltd. |
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Address after: 310000 room 8418, No. 2, Tushan Lane 1, Huancheng East Road, Shangcheng District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Detai Defense Technology Co.,Ltd. Country or region after: Zhong Guo Address before: 310009 Room 8418, Tushan Yilang 2, Huancheng East Road, Shangcheng District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU DETI CIVIL AIR DEFENSE EQUIPMENT Co.,Ltd. Country or region before: Zhong Guo |
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