CN106592420B - A kind of compound skeleton structure slide plate of bridge pad - Google Patents
A kind of compound skeleton structure slide plate of bridge pad Download PDFInfo
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- CN106592420B CN106592420B CN201611070119.1A CN201611070119A CN106592420B CN 106592420 B CN106592420 B CN 106592420B CN 201611070119 A CN201611070119 A CN 201611070119A CN 106592420 B CN106592420 B CN 106592420B
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- filling
- slide plate
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/40—Plastics
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
A kind of compound skeleton structure slide plate of bridge pad is applied in bridge pad by two or more material by the three-dimensional compound compound skeleton structure slide plate being prepared, to meet in actual use to the different demands of coefficient of friction.
Description
Technical field
The invention belongs to high molecular material composite modification technology fields, and in particular to a kind of compound skeleton for bridge pad
Structure slide plate.
Background technique
Bridge pad is the important component in bridge structure.Support friction pair material be bridge pad realize sliding,
The important component of rotating function, and influence the critical component of bridge pad service life.With Bridges in Our Country construction business
Development, the Design and Features subdivision of bridge pad more tend to rationally, for the bridge pad of different function, often in design
It needs using different coefficient of frictions.For example, conventional ball type support requires coefficient of friction smaller, and vibration absorption and isolation support then requires to rub
It is relatively large etc. to wipe coefficient.However it is directed to the bridge pad of different function, the prior art is disadvantageous in that: the friction pair used
Material can only provide single coefficient of friction, not be able to satisfy requirement of the various supports to coefficient of friction.Currently used support
Friction pair material has polytetrafluoroethyl-ne alkenes slide plate and modified ultra-high molecular weight polyethylene class slide plate.ZL 03817000.0 is disclosed
The application of a kind of polyethylene of super high molecular weight and bridge is slidably supported and its material, the modified ultra-high molecular weight polyethylene
Slidably supported material has the characteristics that bearing capacity is high, is particularly suited for High-speed Railway Bridges beam support.ZL
200810231385.7 disclosing a kind of composite intermediate layer sliding plate with filled polytetrafluoroethyland and preparation method thereof, the filling polytetrafluoro
Ethylene composite intermediate layer sliding plate uses three-layer composite structure, has the characteristics that coefficient of friction is low, bearing capacity is high.Foregoing invention is used as
When bridge pad friction pair material, the coefficient of friction of support entirety show as ultra-high molecular weight polyethylene or polytetrafluoroethylene (PTFE) with it is right
The coefficient of friction of flour milling, coefficient of friction are limited unadjustable by Material Matting, and coefficient of friction is more single.
Therefore, it is badly in need of studying a kind of bridge pad friction pair material of adjustable coefficient of friction, not only there is carrying energy
The advantages that power is high, wear-resisting property is excellent, durability is good, and coefficient of friction can be adjusted according to the functional requirement of bridge pad.
Summary of the invention
It is an object of the invention to propose it is a kind of by two or more material by it is three-dimensional it is compound be prepared answer
Skeleton structure slide plate is closed, is applied in bridge pad, to meet in actual use to the different demands of coefficient of friction.
To realize the above-mentioned technical purpose, used technical solution is: a kind of compound skeleton structure of bridge pad is sliding
Plate is made of skeletal support and filling matrix, and skeletal support is symmetrically filled in filling matrix using the center for filling matrix as dot
Surface, form the surface of slide plate by skeletal support and the complete plane that is combined of filling matrix.
It is of the present invention filling matrix synthetic material be filled polytetrafluoroethylene, filling ultra-high molecular polyethylene,
Polybenzoate, polyether-ether-ketone, any one or more in polyimides mix.
The synthetic material of filling matrix of the present invention further includes frictional property regulator.
Coefficient of friction, hardness and the modulus of skeletal support of the present invention are greater than the coefficient of friction, hard of filling matrix
Degree and modulus.
The synthetic material of skeletal support of the present invention be filled polytetrafluoroethylene, filling ultra-high molecular polyethylene,
Polybenzoate, polyether-ether-ketone, any one or more in polyimides mix.
The synthetic material of skeletal support of the present invention further includes frictional property regulator.
Frictional property regulator of the present invention is molybdenum disulfide, carbon fiber, silicon carbide, graphite, glass fibre, glass
Any one or more in microballon, copper powder mixes.
A kind of compound skeleton structure slide plate of bridge pad, preparation method include the following steps:
1) mixing: taking the synthetic material of skeletal support and the synthetic material of filling matrix, according to formula by weight weighing,
It is respectively put into high-speed mixer and is uniformly mixed, skeletal support material is made and filling basis material is spare.
2) feed: charging process is divided into two kinds.First: progress skeletal support material charging first utilizes respective shapes
Charging tooling feed；Then it is filled basis material charging；To finally feed tooling draft, complete charging.Second:
The skeletal support material of shape needed for pre-formed is put into filling basis material, pays attention to positioning, completes charging.
3) it is molded and is sintered: molding and sintering process are selected according to compound skeleton structure slide plate material.
The beneficial effects of the present invention are: a kind of compound skeleton structure slide plate proposed by the present invention, by skeletal support material and
Filling basis material designs solid by structure and is combined, with bearing capacity is high, wearability is good, according to skeletal support material
Ratio can adjust the characteristics of coefficient of friction.
Bearing capacity height is that have the characteristics that high rigidity, high-modulus and high intensity using skeletal support material, is uniformly distributed
When filling in matrix, the deformation of filling basis material can be constrained, improves slide plate rigidity, reduces vertical compression deformation and compacted
Variable, to improve the bearing capacity of slide plate.
Wearability is that have the characteristics that high abrasion and filling basis material have self-lubricating property using skeletal support material
Good feature has excellent friction and wear behavior after the two is compound.
Skeletal support material friction coefficient is higher, and filling basis material coefficient of friction is lower, by adjusting the two formula and
The two volume accounting adjusts coefficient of friction, and coefficient of friction adjustable range is 0.005~0.1, adjustable range is big.
The present invention is applied in bridge pad, and the bearing capacity and wearability of bridge pad not only can be improved, can be with
Reach adjustment bridge pad according to design requirement by adjusting the type and proportion of skeletal support material and filling basis material
The purpose of coefficient of friction meets the use demand of various working.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 be Fig. 1 A-A to schematic cross-sectional view；
Fig. 3 is the structural schematic diagram of the embodiment of the present invention 2；
Fig. 4 is the schematic cross-sectional view of the B-B direction of Fig. 3；
Fig. 5 is the structural schematic diagram of the embodiment of the present invention 3；
Fig. 6 be Fig. 5 C-C to schematic cross-sectional view；
Fig. 7 is the structural schematic diagram of the embodiment of the present invention 4；
Fig. 8 be Fig. 7 D-D to schematic cross-sectional view；
In figure: 1, skeletal support, 2, filling matrix.
Specific embodiment
A kind of compound skeleton structure slide plate of bridge pad, the compound skeleton structure slide plate is by skeletal support and filling
Matrix composition, framework supporting structure are annular, circle, honeycombed, cross etc., by adjusting skeletal support and fill matrix
Type and proportion achieve the purpose that adjust slide plate coefficient of friction.
The synthetic material of the skeletal support refer to high rigidity, high-modulus, high intensity friction material, have constraint slide
The ability of plate deformation, representing material has filled polytetrafluoroethylene, filling ultra-high molecular polyethylene, polybenzoate, polyether-ether-ketone, gathers
Any one or more in acid imide mixes.
The synthetic material of the filling matrix refers to that there is opposite skeletal support material lower hardness, modulus, intensity to rub
Material is wiped, there is excellent self-lubricating property, representing material has polytetrafluoroethylene (PTFE), ultra-high molecular weight polyethylene or based on both
The modified materials of material any one or more mix
The present invention is illustrated with reference to the drawings and specific embodiments, and still, the invention is not limited to the present embodiment.
Embodiment 1:
As shown in Figure 1, 2, the compound skeleton structure slide plate of a kind of bridge pad, by 2 groups of matrix of skeletal support 1 and filling
At.Skeletal support 1 is circular ring shape, and to fill the center of matrix as the center of circle, settable multiple, material is filling polytetrafluoroethyl-ne
Alkene, raw material composition and mass percent are as follows: polytetrafluoroethylene (PTFE) 65%, carbon fiber 25%, molybdenum disulfide 2%, graphite 8%.Fill base
Body material 2 is filled in around skeletal support material 1, and material is polytetrafluoroethylene (PTFE), raw material composition and mass percent are as follows: poly- four
Vinyl fluoride 100%.
Each component is weighed, high-speed mixer is respectively put into and is uniformly mixed；Using compression molding, fed first using circular ring shape
Skeletal support 1 is added into mold for tooling, and filling matrix 2 is added in vacant position, strikes off, removal charging tooling, molding is being pressed
It is molded on machine, depanning obtains blank；Blank is put into polytetrafluorethylesintering sintering furnace and is sintered, 375 DEG C of sintering temperature, sintering
Time 2h, obtains product.
Under silicone grease lubricating condition, 1 coefficient of friction of skeletal support is 0.06, and filling 2 coefficient of friction of matrix is 0.008, bone
Frame backing material volume accounting is 20%, and the compound skeleton structure slide plate coefficient of friction that the two is compounded to form is 0.01~0.02.
Embodiment 2:
As shown in Figure 3,4, the compound skeleton structure slide plate of a kind of bridge pad, by 2 groups of matrix of skeletal support 1 and filling
At.Skeletal support 1 is circle, and material is modified ultra-high molecular weight polyethylene, raw material composition and mass percent are as follows: superelevation point
Sub- weight northylen 75%, carbon fiber 18%, molybdenum disulfide 1%, silicon carbide 1%, glass microballoon 5%.Filling matrix 2 is filled in skeleton branch
Around support 1, material is modified ultra-high molecular weight polyethylene, raw material composition and mass percent are as follows: ultra-high molecular weight polyethylene
92%, polytetrafluoroethylene (PTFE) 5%, molybdenum disulfide 3%.
Each component is weighed, high-speed mixer is respectively put into and is uniformly mixed；Using molding sintering method molding simultaneously, use first
Skeletal support 1 is added into mold for circle charging tooling, and filling basis material 2 is added in vacant position, strikes off, removal charging work
Dress, molding, heating and mould pressing forms on plastic molding machine, and 220 DEG C of heating temperature, soaking time 2h obtains product.
Under silicone grease lubricating condition, 1 coefficient of friction of skeletal support is 0.04, and filling 2 coefficient of friction of matrix is 0.005, bone
Frame backing material volume accounting is 80%, and the compound skeleton structure slide plate coefficient of friction that the two is compounded to form is 0.02~0.03.
Embodiment 3:
As shown in Figure 5,6, the compound skeleton structure slide plate of a kind of bridge pad, by skeletal support material 1 and filling base
Body material 2 forms.Skeletal support material 1 is honeycombed, and material is modified polyacetal, raw material composition and mass percent are as follows:
Polyether-ether-ketone 75%, glass fibre 20%, molybdenum disulfide 5%.Filling basis material 2 is filled in around skeletal support material 1, material
For modified ultra-high molecular weight polyethylene, raw material composition and mass percent are as follows: ultra-high molecular weight polyethylene 90%, it is nano oxidized
Aluminium 5%, graphite 5%.
Skeletal support material 1 is prefabricated into honeycombed, is put into mold, positioning, and filling basis material is added in vacant position
2, it strikes off, molds, heating and mould pressing forms on plastic molding machine, and 230 DEG C of heating temperature, soaking time 1h obtains product.
Under silicone grease lubricating condition, 1 coefficient of friction of skeletal support material is 0.07, and filling 2 coefficient of friction of basis material is
0.02, skeletal support material volume accounting be 42%, the compound skeleton structure slide plate coefficient of friction that the two is compounded to form be 0.04~
0.06。
Embodiment 4:
As shown in Figure 7,8, it is made of skeletal support material 1 and filling basis material 2.Skeletal support material 1 is cross,
Material is modified polyphenyl thioether, raw material composition and mass percent are as follows: polyphenylene sulfide 60%, glass fibre 40%.Fill matrix
Material 2 is filled in around skeletal support material 1, and material is filled polytetrafluoroethylene, raw material composition and mass percent are as follows: super
High molecular weight polyethylene 50%, glass fibre 30%, graphite 10%, copper powder 10%.
The prefabricated across of skeletal support material 1, is put into mold, positioning, and filling basis material is added in vacant position
2, it strikes off, molds, heating and mould pressing forms on plastic molding machine, and 220 DEG C of heating temperature, soaking time 2h obtains product.
Under silicone grease lubricating condition, 1 coefficient of friction of skeletal support material is 0.12, and filling 2 coefficient of friction of basis material is
0.07, skeletal support material volume accounting be 50%, the compound skeleton structure slide plate coefficient of friction that the two is compounded to form be 0.08~
0.1。
Claims (6)
1. a kind of compound skeleton structure slide plate of bridge pad, it is characterised in that: by skeletal support (1) and filling matrix (2)
The synthetic material of the synthetic material of skeletal support and filling matrix is mixed respectively, skeletal support material and filling is made by composition
Basis material is spare, the synthetic material of skeletal support (1) be filled polytetrafluoroethylene, filling ultra-high molecular polyethylene, nylon,
Polyformaldehyde, polybenzoate, polyether-ether-ketone, polyimides, polyphenylene sulfide, any one or more in polyester mix and
It further include frictional property regulator, skeletal support (1) is carried out using the center for filling matrix (2) as dot, and using charging process
It feeds and the synthetic material of skeletal support (1) is symmetrically filled in the surface of filling matrix (2), be molded and be sintered the table for making slide plate
Face forms the adjustable complete plane of coefficient of friction being combined by skeletal support (1) and filling matrix (2), coefficient of friction tune
Adjusting range is 0.005~0.1；
Above-mentioned charging process is divided into two kinds, and first: progress skeletal support material charging first utilizes the charging of respective shapes
Tooling feeds, and is then filled basis material charging；To finally feed tooling draft, complete charging；Second: being prefabricated into
The skeletal support material of shape needed for type is put into filling basis material, pays attention to positioning, completes charging.
2. a kind of compound skeleton structure slide plate of bridge pad as described in claim 1, it is characterised in that: the filling
The synthetic material of matrix (2) is polytetrafluoroethylene (PTFE), ultra-high molecular weight polyethylene or the modified materials based on both materials.
3. a kind of compound skeleton structure slide plate of bridge pad as claimed in claim 2, it is characterised in that: the filling
The synthetic material of matrix (2) further includes frictional property regulator.
4. a kind of compound skeleton structure slide plate of bridge pad as described in claim 1, it is characterised in that: the skeleton
Coefficient of friction, hardness and the modulus of (1) is supported to be greater than coefficient of friction, hardness and the modulus of filling matrix (2).
5. a kind of compound skeleton structure slide plate of bridge pad as claimed in claim 1 or 3, it is characterised in that: described
Frictional property regulator is molybdenum disulfide, carbon fiber, silicon carbide, graphite, glass fibre, glass microballoon, any one in copper powder
Kind or a variety of mix.
6. a kind of compound skeleton structure slide plate of bridge pad as described in claim 1, it is characterised in that: the skeleton
Support accounts for the 20%~80% of slide plate total volume, and coefficient of friction adjustable range is 0.005~0.1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611070119.1A CN106592420B (en) | 2016-11-29 | 2016-11-29 | A kind of compound skeleton structure slide plate of bridge pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611070119.1A CN106592420B (en) | 2016-11-29 | 2016-11-29 | A kind of compound skeleton structure slide plate of bridge pad |
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| Publication Number | Publication Date |
|---|---|
| CN106592420A CN106592420A (en) | 2017-04-26 |
| CN106592420B true CN106592420B (en) | 2019-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611070119.1A Active CN106592420B (en) | 2016-11-29 | 2016-11-29 | A kind of compound skeleton structure slide plate of bridge pad |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111748141A (en) * | 2020-08-08 | 2020-10-09 | 深州市工程塑料有限公司 | Sliding plate for seismic isolation and reduction support and preparation method |
| JP7293484B1 (en) | 2022-12-01 | 2023-06-19 | 日鉄エンジニアリング株式会社 | Spherical sliding bearings and bridges |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002250394A (en) * | 2001-02-20 | 2002-09-06 | Taisei Corp | Base isolation device using slide bearing |
| JP4759686B2 (en) * | 2006-02-23 | 2011-08-31 | 清水建設株式会社 | Sliding bearing device |
| CN102587273A (en) * | 2012-03-13 | 2012-07-18 | 上海材料研究所 | Method for enabling horizontal friction of support to be variable |
| CN202969282U (en) * | 2012-10-30 | 2013-06-05 | 洛阳双瑞特种装备有限公司 | Swivel spherical hinge with non-metal composite sliding plates |
| CN105064508A (en) * | 2015-07-24 | 2015-11-18 | 上海市政工程设计研究总院（集团）有限公司 | Friction pendulum type seismic mitigation and absorption bearing with variable friction coefficient |
-
2016
- 2016-11-29 CN CN201611070119.1A patent/CN106592420B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002250394A (en) * | 2001-02-20 | 2002-09-06 | Taisei Corp | Base isolation device using slide bearing |
| JP4759686B2 (en) * | 2006-02-23 | 2011-08-31 | 清水建設株式会社 | Sliding bearing device |
| CN102587273A (en) * | 2012-03-13 | 2012-07-18 | 上海材料研究所 | Method for enabling horizontal friction of support to be variable |
| CN202969282U (en) * | 2012-10-30 | 2013-06-05 | 洛阳双瑞特种装备有限公司 | Swivel spherical hinge with non-metal composite sliding plates |
| CN105064508A (en) * | 2015-07-24 | 2015-11-18 | 上海市政工程设计研究总院（集团）有限公司 | Friction pendulum type seismic mitigation and absorption bearing with variable friction coefficient |
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| CN106592420A (en) | 2017-04-26 |
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Address after: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Patentee after: CSSC Shuangrui (Luoyang) special equipment Co.,Ltd. Address before: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Patentee before: LUOYANG SUNRUI SPECIAL EQUIPMENT Co.,Ltd. |
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