CN103896158A - Friction energy dissipation and seismic mitigation device - Google Patents

Friction energy dissipation and seismic mitigation device Download PDF

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Publication number
CN103896158A
CN103896158A CN201410159452.4A CN201410159452A CN103896158A CN 103896158 A CN103896158 A CN 103896158A CN 201410159452 A CN201410159452 A CN 201410159452A CN 103896158 A CN103896158 A CN 103896158A
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CN
China
Prior art keywords
friction
friction energy
mainboard
dissipating
subplate
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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
Application number
CN201410159452.4A
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Chinese (zh)
Inventor
董达善
张明海
滕媛媛
张艺群
刘海洋
李锦�
梅潇
乔榛
刘龙
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Shanghai Maritime University
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Shanghai Maritime University
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Publication date
Application filed by Shanghai Maritime University filed Critical Shanghai Maritime University
Priority to CN201410159452.4A priority Critical patent/CN103896158A/en
Publication of CN103896158A publication Critical patent/CN103896158A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a friction energy dissipation and seismic mitigation device which is arranged on equipment requiring seismic mitigation. The friction energy dissipation and seismic mitigation device comprises a plurality of friction energy dissipation and seismic mitigation nodes, wherein each friction energy dissipation and seismic mitigation node comprises a main plate, auxiliary plates and friction sheets, which are connected through a fastening member, a sliding groove is arranged on the main plate, the opening length direction of the sliding groove is consistent with the stress direction of the main plate, the auxiliary plates are arranged at two sides of the main plate, through holes are formed in the auxiliary plates, the friction sheets are arranged between the main plate and the auxiliary plates, and through holes are formed in the friction sheets. The friction energy dissipation and seismic mitigation device is applied to a quayside container crane so that the crane is prevented from being damaged when earthquake happens and can continuously and normally work after the earthquake happens.

Description

A kind of friction energy-dissipating shock absorption device
Technical field
The present invention relates to a kind of friction energy-dissipating shock absorption device, relate in particular to a kind of friction energy-dissipating shock absorption device for antidetonation on shore container crane.
Background technology
In the face of hoisting crane aseismic design, traditional method is to consider how to improve that structure self is rigid supports earthquake-resistant ability.For shore container crane, if only carry out antidetonation from strengthening structure self intensity, the structural weight of bank bridge self can, well beyond expected design, have very high requirement for the foundation capability of port and pier.
If employing installation on hoisting crane subtracts isolation mounting and carrys out antidetonation, the subtracting isolation mounting and must consider the dynamic characteristics of hoisting crane self and the spectrum character of earthquake wave of its design, in addition, due to the huge volume and weight of portal crane, subtracting isolation mounting involves great expense, concerning maker, cost is too high, is difficult to popularize.
So traditional Seismic Design Method is all impracticable on large-scale shore container crane now, must seek the more efficiently earthquake-resistant means of supporting.
Summary of the invention
The invention provides a kind of friction energy-dissipating shock absorption device, be applied on shore container crane, make hoisting crane avoid structural failure in earthquake occurs, make it can continue normal work later in earthquake.
In order to achieve the above object, the invention provides a kind of friction energy-dissipating shock absorption device, it is arranged on the equipment that needs damping, this friction energy-dissipating shock absorption device comprises some friction energy-dissipating damping nodes, described friction energy-dissipating damping node comprises the mainboard connecting by fastener, subplate and friction lining, on described mainboard, offer sliding tray, this sliding tray offer length direction and mainboard be subject to force direction consistent, this mainboard is fixedly connected with the equipment that needs damping, described subplate is arranged on mainboard both sides, on this subplate, offer through hole, described friction lining is arranged between mainboard and subplate, on this friction lining, offer through hole.
Described fastener comprises screw bolt and nut.
The length of described sliding tray is greater than the diameter of bolt, and the diameter of the through hole on described subplate and friction lining equals the diameter of bolt.
Described friction energy-dissipating damping node also comprises the packing ring being arranged between fastener and subplate.
Described friction lining adopts copper coin or stainless steel sheet.
The present invention also provides a kind of friction energy-dissipating damping node, it is arranged on the equipment that needs damping, described friction energy-dissipating damping node comprises the mainboard, subplate and the friction lining that connect by fastener, on described mainboard, offer sliding tray, this sliding tray offer length direction and mainboard be subject to force direction consistent, this mainboard is fixedly connected with the equipment that needs damping, described subplate is arranged on mainboard both sides, on this subplate, offer through hole, described friction lining is arranged between mainboard and subplate, on this friction lining, offers through hole.
Described fastener comprises screw bolt and nut.
The length of described sliding tray is greater than the diameter of bolt, and the diameter of the through hole on described subplate and friction lining equals the diameter of bolt.
Described friction energy-dissipating damping node also comprises the packing ring being arranged between fastener and subplate.
Described friction lining adopts copper coin or stainless steel sheet.
The present invention is applied on shore container crane, make hoisting crane avoid structural failure in earthquake occurs, make it can continue normal work later in earthquake, the research that subtracts vibration isolation research and opposite bank bridge aseismic design of large lifting equipment is all had to important engineering significance.
Brief description of the drawings
Fig. 1 is node structure schematic diagram of the present invention.
Fig. 2 is practical application schematic diagram of the present invention.
Fig. 3 is the structure birds-eye view of friction energy-dissipating shock absorption device in embodiments of the invention.
Fig. 4 is the structure side view of friction energy-dissipating shock absorption device in embodiments of the invention.
Detailed description of the invention
Following according to Fig. 1~Fig. 4, illustrate preferred embodiment of the present invention.
The invention provides a kind of friction energy-dissipating shock absorption device, it is arranged on the equipment that needs damping, this friction energy-dissipating shock absorption device comprises some friction energy-dissipating damping node A, as shown in Figure 1, described friction energy-dissipating damping node A comprises the mainboard 1 connecting by fastener 3, subplate 2 and friction lining 4, on described mainboard 1, offer sliding tray 101, this sliding tray 101 offer length direction and mainboard 1 be subject to force direction consistent, this mainboard 1 is fixedly connected with the equipment that needs damping, described subplate 2 is arranged on mainboard 1 both sides, on this subplate, offer through hole, described friction lining 4 is arranged between mainboard 1 and subplate 2, on this friction lining, offer through hole.
Described fastener 3 comprises bolt 301 and nut 302.
Described friction energy-dissipating damping node also comprises the packing ring 5 being arranged between fastener 3 and subplate 2.
Described friction lining 4 adopts the material such as copper coin, stainless steel sheet.
The length of described sliding tray 101 is greater than the diameter of bolt 301.
The diameter of the through hole on described subplate 2 and friction lining 3 equals the diameter of bolt 301.
As shown in Figure 1, the length direction of the sliding tray on the mainboard of friction energy-dissipating damping node is consistent with stressed direction, two subplates of bolt-through and mainboard, and below nut, add the constant packing ring of maintenance bolt pretightening.Increase friction force by the friction lining that adds the material such as copper coin, stainless steel sheet to make between mainboard and subplate, and keep constant force of sliding friction.In the time that the suffered pulling force of mainboard or pressure are less than the static friction force between friction lining, friction energy-dissipating damping node is not pulled, if when pulling force or pressure are greater than static friction force, mainboard is pulled, and by cliding friction consumed energy.
For the structure that does not add energy consumer, earthquake is input to the form storage with kinetic energy and strain energy of an energy part in structure, and the inelastic deformation that a part produces by structure self in addition consumes; And for For Passive Energy Dissipation Structures, under geological process, except having the power consumption form the same with ordinary construction, additional energy-dissipating device or dissipative cell also dissipate absorption most earthquake input energy.Friction energy-dissipating shock absorption device provided by the invention can dissipate inputting seismic energy with the form of friction kinetic energy, thereby reaches the object of damping.
As shown in Figure 2 to 4, the embodiment of friction energy-dissipating shock absorption device of the present invention, as shown in Figure 2, it is the structure diagram of shore container crane, this shore container crane comprises land side and extra large side, according to earthquake disaster and engineering experience in the past, basic design principle and design philosophy that mechanical concept etc. form, and friction energy-dissipating damping node is applicable to the purposes supporting at the bottom of the support of structure monocline or beam, this friction energy-dissipating shock absorption device is arranged on both sides, the extra large land hound on shore container crane, as shown in Figure 3 and Figure 4, mainboard 1 is connected and fixed with crane inclined strut, this friction energy-dissipating shock absorption device overall length 4416mm, width and crane inclined strut with wide be 1866mm, 6 sliding trays 101 are set on described mainboard 1, 3 friction energy-dissipating damping node A are set in each sliding tray 101, consider the stability of hoisting crane, the chute of device is unsuitable long, according to friction energy-dissipating damping node A use experience, be 1140mm by chute Design of length.
The present invention is applied on shore container crane, make hoisting crane avoid structural failure in earthquake occurs, make it can continue normal work later in earthquake, the research that subtracts vibration isolation research and opposite bank bridge aseismic design of large lifting equipment is all had to important engineering significance.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.Read after foregoing those skilled in the art, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.

Claims (10)

1. a friction energy-dissipating shock absorption device, it is arranged on the equipment that needs damping, it is characterized in that, this friction energy-dissipating shock absorption device comprises some friction energy-dissipating damping nodes (A), described friction energy-dissipating damping node (A) comprises the mainboard (1) connecting by fastener (3), subplate (2) and friction lining (4), on described mainboard (1), offer sliding tray (101), this sliding tray (101) offer length direction and mainboard (1) be subject to force direction consistent, this mainboard (1) is fixedly connected with the equipment that needs damping, described subplate (2) is arranged on mainboard (1) both sides, on this subplate, offer through hole, described friction lining (4) is arranged between mainboard (1) and subplate (2), on this friction lining, offer through hole.
2. friction energy-dissipating shock absorption device as claimed in claim 1, is characterized in that, described fastener (3) comprises bolt (301) and nut (302).
3. friction energy-dissipating shock absorption device as claimed in claim 2, it is characterized in that, the length of described sliding tray (101) is greater than the diameter of bolt (301), and the diameter of the through hole on described subplate (2) and friction lining (3) equals the diameter of bolt (301).
4. friction energy-dissipating shock absorption device as claimed in claim 3, is characterized in that, described friction energy-dissipating damping node also comprises the packing ring (5) being arranged between fastener (3) and subplate (2).
5. friction energy-dissipating shock absorption device as claimed in claim 4, is characterized in that, described friction lining (4) adopts copper coin or stainless steel sheet.
6. a friction energy-dissipating damping node, it is arranged on the equipment that needs damping, it is characterized in that, described friction energy-dissipating damping node (A) comprises the mainboard (1) connecting by fastener (3), subplate (2) and friction lining (4), on described mainboard (1), offer sliding tray (101), this sliding tray (101) offer length direction and mainboard (1) be subject to force direction consistent, this mainboard (1) is fixedly connected with the equipment that needs damping, described subplate (2) is arranged on mainboard (1) both sides, on this subplate, offer through hole, described friction lining (4) is arranged between mainboard (1) and subplate (2), on this friction lining, offer through hole.
7. friction energy-dissipating shock absorption device as claimed in claim 6, is characterized in that, described fastener (3) comprises bolt (301) and nut (302).
8. friction energy-dissipating shock absorption device as claimed in claim 7, it is characterized in that, the length of described sliding tray (101) is greater than the diameter of bolt (301), and the diameter of the through hole on described subplate (2) and friction lining (3) equals the diameter of bolt (301).
9. friction energy-dissipating shock absorption device as claimed in claim 8, is characterized in that, described friction energy-dissipating damping node also comprises the packing ring (5) being arranged between fastener (3) and subplate (2).
10. friction energy-dissipating shock absorption device as claimed in claim 9, is characterized in that, described friction lining (4) adopts copper coin or stainless steel sheet.
CN201410159452.4A 2014-04-21 2014-04-21 Friction energy dissipation and seismic mitigation device Pending CN103896158A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410159452.4A CN103896158A (en) 2014-04-21 2014-04-21 Friction energy dissipation and seismic mitigation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410159452.4A CN103896158A (en) 2014-04-21 2014-04-21 Friction energy dissipation and seismic mitigation device

Publications (1)

Publication Number Publication Date
CN103896158A true CN103896158A (en) 2014-07-02

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CN (1) CN103896158A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109595282A (en) * 2018-12-25 2019-04-09 中南大学 Rotary pressure turns round combined elastic shock-absorbing device
CN110777970A (en) * 2019-11-14 2020-02-11 江苏科技大学 Friction energy consumption protection device for wall corner of swinging wall and swinging wall
CN110805164A (en) * 2019-10-10 2020-02-18 中国建筑第八工程局有限公司 Assembled shear force wall that bottom has shock attenuation power consumption connecting piece
CN113187118A (en) * 2021-05-11 2021-07-30 四川大学 Friction-bending dual-function damper

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3819014A (en) * 1971-12-09 1974-06-25 Sverre Munck As Buffer arrangement
NL7902978A (en) * 1978-04-14 1979-10-16 Western Gear Europ ENERGY ABSORBER.
CN1245551A (en) * 1996-12-09 2000-02-23 意大利低碳钢股份公司 Friction damper for washing machines or like
JP2001248324A (en) * 2000-03-03 2001-09-14 Shizuo Tsujioka Friction joint type energy absorbing device for frame
CN201250066Y (en) * 2008-08-29 2009-06-03 扬州工业职业技术学院 Correlative structure of adjustable wall laying stay bars

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3819014A (en) * 1971-12-09 1974-06-25 Sverre Munck As Buffer arrangement
NL7902978A (en) * 1978-04-14 1979-10-16 Western Gear Europ ENERGY ABSORBER.
CN1245551A (en) * 1996-12-09 2000-02-23 意大利低碳钢股份公司 Friction damper for washing machines or like
JP2001248324A (en) * 2000-03-03 2001-09-14 Shizuo Tsujioka Friction joint type energy absorbing device for frame
CN201250066Y (en) * 2008-08-29 2009-06-03 扬州工业职业技术学院 Correlative structure of adjustable wall laying stay bars

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109595282A (en) * 2018-12-25 2019-04-09 中南大学 Rotary pressure turns round combined elastic shock-absorbing device
CN109595282B (en) * 2018-12-25 2020-11-03 中南大学 Rotary type pressure-torsion combined elastic damping device
CN110805164A (en) * 2019-10-10 2020-02-18 中国建筑第八工程局有限公司 Assembled shear force wall that bottom has shock attenuation power consumption connecting piece
CN110805164B (en) * 2019-10-10 2021-07-06 中国建筑第八工程局有限公司 Assembled shear force wall that bottom has shock attenuation power consumption connecting piece
CN110777970A (en) * 2019-11-14 2020-02-11 江苏科技大学 Friction energy consumption protection device for wall corner of swinging wall and swinging wall
CN113187118A (en) * 2021-05-11 2021-07-30 四川大学 Friction-bending dual-function damper

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Application publication date: 20140702