CN208121555U - Spring rope buffer-type inhaul cable damping support saddle - Google Patents
Spring rope buffer-type inhaul cable damping support saddle Download PDFInfo
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- CN208121555U CN208121555U CN201820219486.1U CN201820219486U CN208121555U CN 208121555 U CN208121555 U CN 208121555U CN 201820219486 U CN201820219486 U CN 201820219486U CN 208121555 U CN208121555 U CN 208121555U
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Abstract
The utility model relates to a kind of spring rope buffer-type inhaul cable damping support saddles, including a few part compositions such as upper base plate, lower seat board, upper and lower cover plates, spherical surface polyfluortetraethylene plate, spherical crown, plane polyfluortetraethylene plate, drag-line, spring rope, fixing bolt, the arrangement of the novel damping support is as follows：Spring rope is added on original drag-line support base, the length of spring rope is less than guy cable length, is nested in the elongated spring rope duct of the longitudinal direction opened up in upper and lower seat board.The utility model can be under the premise of meeting normal operating conditions support length travel, it is deformed using spring rope prior to Cable forces, play the role of buffering, at the same the relative displacement between the upper and lower seat board of support can be limited in one it is controllable within the scope of, prevent to fall beam.Accurate size is easily assembled to and replaces, and constitutive relation is clear, convenient for design.
Description
Technical field
The utility model belongs to civil engineering, earthquake engineering technical field, and in particular to a kind of spring rope buffer-type drag-line
Shock mount.
Background technique
Vibration absorption and isolation support increases structural damping to reduce the seismic response of structure, due to its shake by the extending structure period
Main earthquake resistant construction of the advantages that repair is relatively easy afterwards, replaceable when necessary as earthquake region bridge.In the past 30 years, in order to
Meet the needs of bridge seismic isolation design, domestic and international project technical staff develops and develops the seismic isolation device of many types.
There are pot rubber bearing, ball bridle iron, lead core rubber support, friction pendulum using wide vibration absorption and isolation support both at home and abroad at present
Support etc..Pot rubber bearing and ball bridle iron are insensitive to the frequency of seismic wave, and shock insulation range is wider, but due to using pure cunning
Kinety system easily leads to biggish displacement structure under earthquake；Lead core rubber support energy dissipation capacity is strong, early stage rigidity with higher
The earthquake response of system may be made to amplify with the small amplitude seismic stimulation of good fatigue behaviour, but low frequency characteristic；Friction pendulum branch
The automatic recovery ability of seat is strong, friction energy-dissipating performance is stablized, but it is not contour to will lead to beam body generation during friction energy-dissipating
Support settlement, cause drive a vehicle irregularity and girder second inner force.
In view of various deficiencies existing for above-mentioned different type support, we devise on the basis of inhaul cable damping support saddle
A kind of spring rope buffer-type inhaul cable damping support saddle.Inhaul cable damping support saddle belongs to one kind of shock mount, it has common ball steel/basin
Formula support power transmission is reliable, and rotation flexibly, large carrying capacity and allows to be displaced the features such as big, can effectively adapt to Longspan Bridge
To the particular/special requirement of support, while adding for drag-line can be prevented with the horizontal displacement of seat board above and below when operative constraint earthquake
Fall beam, can also by determine design displacement coordination power and displacement relationship, protect pier bottom do not bend destruction and shearing break
It is bad, but due to that can have an adverse effect to structure in severe earthquake action downhaul moment stress, thus need to inhaul cable damping support saddle into
Row is further improved.
Based on the shortcoming that the Cable power in inhaul cable damping support saddle is increased sharply, partial spring rope can be laid, and make bullet
Spring rope length is less than guy cable length, and spring rope is deformed prior to Cable forces to achieve the effect that buffering under earthquake.
Summary of the invention
The inhaul cable damping support saddle for the novel cloth rope mode with buffering effect that the purpose of this utility model is to provide a kind of,
That is spring rope buffer-type inhaul cable damping support saddle.
To achieve the above objectives, the solution of the utility model use is：In the seat board and cover board of inhaul cable damping support saddle
In set spring rope duct, lay partial spring rope, and spring rope free path is made to be less than drag-line free path, spring rope under severe earthquake action
It is deformed prior to Cable forces, to achieve the purpose that buffering.
The utility model proposes a kind of spring rope buffer-type inhaul cable damping support saddle, including support, further include drag-line 10, on
Cover board 1, lower cover plate 4, fixing bolt 5, spring rope 11, drag-line duct 12 and spring rope duct 13, wherein：Upper base plate 2 is under
Offer longitudinal elongated drag-line duct 12 and spring rope duct 13 on seat board 3,12 number of drag-line duct with drag-line 10
Number is identical, and 13 number of spring rope duct is identical as 11 number of spring rope；Drag-line 10 is circular ring structure, and both ends are placed on respectively
Drag-line duct 12 in seat board 2 and in the drag-line duct 12 of corresponding lower seat board 3, the width in drag-line duct 12 is greater than drag-line 10
Width；Spring rope 11 is circular ring structure, and both ends are placed on the bullet in spring rope duct 13 and corresponding lower seat board 3 in upper base plate 2
In spring rope duct 13, the width in spring rope duct 13 is greater than the width of spring rope 11；Drag-line 10 is located at upper base plate 2 and lower seat board 3
Between length be greater than spring rope 11 length, i.e., the free path of drag-line 10 be greater than spring rope 11 free path.
In the utility model, drag-line 10 and spring rope 11 are laterally being to be arranged symmetrically about support center line, single drag-line
12 inhaul 10 of duct, which can be used, single can also be used more.
In the utility model, spring rope 11 is formed by connecting by spring section and drag-line section, and spring section is preparatory according to design size
Molding, spring section link together with drag-line section, are then directly nested in the spring rope duct 13 of upper base plate 2 and lower seat board 3,
Being arranged in for spring rope 11 is lateral symmetry.
In the utility model, the support uses ball bridle iron or pot rubber bearing, and the support can be two-way work
It is any in ejector half, one-way movable type or fixed.
In the utility model, the ball bridle iron includes the lower seat board 3 with seat chamber 9, upper base plate 2, from bottom to top successively
Spherical surface polyfluortetraethylene plate 8, spherical crown 7 and the plane polyfluortetraethylene plate 6 being stacked and placed between upper base plate 2 and lower seat board 3.
In the utility model, the drag-line 10 is made of steel strand wires, high strength wire rope or carbon fiber bundle.
In the utility model, the every drag-line 10 is formed by drag-line according to the shape and size coiling of design, and is led to
Special anchor connection is crossed to circularize.
In the utility model, different radicals can be set as needed in the radical of the drag-line 10.
In the utility model, the length of spring section is less than the length in spring rope duct in spring rope 11, and spring section is specific
Length determines according to camber of spring and detailing requiments, and spring rate can need to choose according to cushion performance and support stiffness, bullet
Spring section is linked together with drag-line section by special construction measure.
In the utility model, the length of spring rope 11 is less than the length of drag-line 10, and specific calculate by design needs determines.
In the utility model, the radical of the spring rope 11 can be chosen different according to the needs of buffer capacity and support stiffness
Radical.
In the utility model, the spring rope 11 is horizontally disposed in the spring rope duct 13 of upper base plate and lower seat board,
Rounded corner is arranged in spring rope 11 and drag-line 10 and upper and lower seat board end contact position.
The beneficial effects of the utility model are：
1）It is remaining except the own advantages of inhaul cable damping support saddle, by the way that a part of spring rope is arranged, is making earthquake
When spring rope elder generation stress, increase support horizontal rigidity, be slowly increased horizontal shear, the buffering before forming drag-line limit.Simultaneously
When the backstay that support displacement reaches drag-line free path can play a role, limitation pier beam relative displacement a controllable range it
It is interior, prevent to fall beam, meets the length travel demand of support in normal operation.
2）In the present solution, can be by selecting spring rope model, size, the parameters such as position and drag-line model, length, spirit
The deformation values of support when design breeze way and drag-line living limit the rigidity of section and enter breeze way and drag-line limit section.By right
The design of above-mentioned parameter, this programme can satisfy the shockproof requirements under different structure form and ground motion parameter.
3）Compared to limiting devices such as blocks, drag-line and spring rope constitutive relation are clear, and force path is clear, can pass through calculating
It determines design displacement, realizes the balance of power and displacement, pier bottom is protected not bend destruction and failure by shear.
In short, the utility model is suitable for Urban Bridge, highway bridge, track bridge, railroad bridge and various large sizes
On the building of suspension frame structure etc, cushioning effect is played.
Detailed description of the invention
Fig. 1 is the utility model vertical structure diagram.
Fig. 2 is the utility model transverse structure diagram.
Fig. 3 is the utility model planar structure diagram.
Fig. 4 is the utility model axonometric drawing.
Fig. 5 is the utility model spring rope detail structure chart
Figure label：1 is upper cover plate, and 2 be upper base plate, and 3 be lower seat board, and 4 be lower cover plate, and 5 be fixing bolt, and 6 be plane
Polyfluortetraethylene plate, 7 be spherical crown, and 8 be spherical surface polyfluortetraethylene plate, and 9 be seat chamber, and 10 be drag-line, and 11 be spring rope, and 12 be drawing
Suo Kongdao, 13 be spring rope duct.
Specific embodiment
Applicant will elaborate in conjunction with attached drawing by way of examples below.But not to the description of embodiment
It is the limitation to the utility model, it is any according to only formal and insubstantial made by the utility model design
The equivalent transformation of property is regarded as category of the technical solutions of the present invention.
Embodiment 1：See Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, lower seat board 3 is fixed with the bridge pier of bridge in a state of use,
The central design of lower seat board 3 towards upper side has the seat chamber 9 of a concave spherical surface shape, is sequentially arranged spherical surface from bottom to top in seat chamber 9
Polyfluortetraethylene plate 8, spherical crown 7 and plane polyfluortetraethylene plate 6；Upper base plate 2 is fixed with top beam body；The present embodiment is not set
Horizontal shear component belongs to multidirectional movable bearing support.
The technical essential of the technical solution of the utility model first is that laying partial spring on original drag-line support base
Rope, and the selection of 11 free path of spring rope should be less than 10 free path of drag-line.12 He of drag-line duct is set in upper base plate 2 and lower seat board 3
Spring rope duct 13, and duct is passed through with annular drag-line 10 and ring spring rope 11, specific configuration is shown in Fig. 1, Fig. 3, Fig. 4.It is local
When shake occurs, relative displacement will be generated between support upper base plate 2 and lower seat board 3, when relative displacement is more than that spring rope 11 is default freely
When stroke, spring rope 11 starts stress deformation, the buffer function for increasing Damping work seismic energy is played, until relative displacement reaches
To the default free travel of drag-line 10, drag-line 10 also starts to provide limit rigidity.After earthquake, spring rope 11 is gradually returned to
Original state.
The technical essential of the technical solution of the utility model second is that assembling and the arrangement of elongated spring rope 11, spring
Spring section is connected, then directly according to design size preforming by special construction spring section and drag-line section in rope 11
Female connector is set in the spring rope duct 13 of upper base plate 2 and lower seat board 3, and pore size is slightly larger than spring rope size, both guarantees spring
The precision of 11 size of rope, and facilitate the replacement of spring rope 11 and the adjustment of free path.Spring rope 11 is arranged in lateral reply
Claim, guarantee that support is not turned round under earthquake load, the length of 11 spring section of spring rope should be less than the length in spring rope duct, meet
The demand of spring stress deformation.
As a kind of transformation of the utility model embodiment, the ball bridle iron being used cooperatively with drag-line 10, spring rope 11 can
To be bi-directional movable type, it is also possible to one-way movable type and fixed.One-way movable type can be real by the way that unidirectional shearing resistance block is arranged
Existing, fixed can be realized by the way that two-way shearing resistance block is arranged.
As a kind of transformation of the utility model embodiment, the support being used cooperatively with drag-line 10, spring rope 11 can also be with
Pot rubber bearing.
As a kind of transformation of the embodiment of the present invention, 10 radical of drag-line in 2 longitudinal grooved of upper base plate is indefinite.
As a kind of transformation of the embodiment of the present invention, the radical and arrangement of spring rope 11 are indefinite, can be arranged symmetrically
At support both ends, can also be arranged among support.
Above-mentioned is not limitation to the utility model to the description of embodiment, therefore, the guarantor of the utility model
Shield range is not limited solely to above-described embodiment, it is any according to the utility model design made be only it is formal rather than
Substantive various modifications and improvements, are regarded as falling within the scope of the present invention.
Claims (7)
1. a kind of spring rope buffer-type inhaul cable damping support saddle, including support further include drag-line (10), upper cover plate (1), lower cover plate
(4), fixing bolt (5), spring rope (11), drag-line duct (12) and spring rope duct (13), it is characterised in that：Upper base plate
(2) and on lower seat board (3) longitudinal elongated drag-line duct (12) and spring rope duct (13), drag-line duct (12) are offered
Number is identical as drag-line (10) radical, and spring rope duct (13) number is identical as spring rope (11) number；Drag-line (10) is annulus
Structure, both ends are placed on the drag-line duct (12) in upper base plate (2) and the drag-line duct (12) of corresponding lower seat board (3) respectively
Interior, the width of drag-line duct (12) is greater than the width of drag-line (10)；Spring rope (11) is circular ring structure, and both ends are placed on the seat of honour
In plate (2) in spring rope duct (13) and the spring rope duct (13) of corresponding lower seat board (3), the width in spring rope duct (13)
Greater than the width of spring rope (11)；Drag-line (10) is located at the length between upper base plate (2) and lower seat board (3) greater than spring rope (11)
Length, i.e., the free path of drag-line (10) be greater than spring rope (11) free path.
2. spring rope buffer-type inhaul cable damping support saddle according to claim 1, it is characterised in that drag-line (10) and spring rope
It (11) is laterally being to be arranged symmetrically about support center line, single drag-line duct (12) inhaul (10) uses single or more.
3. spring rope buffer-type inhaul cable damping support saddle according to claim 1, it is characterised in that the support uses ball steel
Support or pot rubber bearing, the support are any in bi-directional movable type, one-way movable type or fixed.
4. spring rope buffer-type inhaul cable damping support saddle according to claim 3, it is characterised in that the ball bridle iron includes
Lower seat board (3), upper base plate (2) with seat chamber (9), the ball being sequentially stacked between upper base plate (2) and lower seat board (3) from bottom to top
Face polyfluortetraethylene plate (8), spherical crown (7) and plane polyfluortetraethylene plate (6).
5. spring rope buffer-type inhaul cable damping support saddle according to claim 1, it is characterised in that spring rope (11) is by spring
Section and drag-line section are formed by connecting, and spring section links together according to design size preforming, spring section with drag-line section, then directly
Female connector is set in the spring rope duct (13) of upper base plate (2) and lower seat board (3), and being arranged in for spring rope (11) is lateral symmetry.
6. spring rope buffer-type inhaul cable damping support saddle according to claim 1, it is characterised in that spring in spring rope (11)
The length of section is less than the length in spring rope duct.
7. spring rope buffer-type inhaul cable damping support saddle according to claim 1, it is characterised in that spring rope (11) water
Plain cloth is placed in the spring rope duct (13) of upper base plate and lower seat board, in spring rope (11) and drag-line (10) and upper and lower seat board end
Rounded corner is arranged in contact position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820219486.1U CN208121555U (en) | 2018-02-08 | 2018-02-08 | Spring rope buffer-type inhaul cable damping support saddle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820219486.1U CN208121555U (en) | 2018-02-08 | 2018-02-08 | Spring rope buffer-type inhaul cable damping support saddle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208121555U true CN208121555U (en) | 2018-11-20 |
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ID=64207306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820219486.1U Active CN208121555U (en) | 2018-02-08 | 2018-02-08 | Spring rope buffer-type inhaul cable damping support saddle |
Country Status (1)
| Country | Link |
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| CN (1) | CN208121555U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116254760A (en) * | 2023-05-06 | 2023-06-13 | 菏泽城建工程发展集团有限公司 | Cable shock attenuation spherical support with shear resistance transition steel sheet structure |
| CN111778843B (en) * | 2020-05-13 | 2024-05-14 | 同济大学 | Waveform cable superelastic self-resetting shock mount |
-
2018
- 2018-02-08 CN CN201820219486.1U patent/CN208121555U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111778843B (en) * | 2020-05-13 | 2024-05-14 | 同济大学 | Waveform cable superelastic self-resetting shock mount |
| CN116254760A (en) * | 2023-05-06 | 2023-06-13 | 菏泽城建工程发展集团有限公司 | Cable shock attenuation spherical support with shear resistance transition steel sheet structure |
| CN116254760B (en) * | 2023-05-06 | 2023-10-31 | 菏泽城建工程发展集团有限公司 | Cable shock attenuation spherical support with shear resistance transition steel sheet structure |
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