CN101748687A - Connection structure of spherical bearing for supporting bridge - Google Patents
Connection structure of spherical bearing for supporting bridge Download PDFInfo
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- CN101748687A CN101748687A CN201010114232A CN201010114232A CN101748687A CN 101748687 A CN101748687 A CN 101748687A CN 201010114232 A CN201010114232 A CN 201010114232A CN 201010114232 A CN201010114232 A CN 201010114232A CN 101748687 A CN101748687 A CN 101748687A
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Abstract
The invention discloses a connection structure of a spherical bearing for supporting a bridge. The connection structure comprises a bridge king tower (1), a spherical bearing (2) and a bridge pier (3), wherein the bridge king tower (1) is connected with the bridge pier (3) by the spherical bearing (2), the spherical bearing (2) mainly consists of an upper bearing plate (4), a spherical cap lining plate (5) and a lower bearing plate (6), the upper bearing plate (4) is fixedly connected with the bridge king tower (1), and the lower bearing plate (6) is fixedly connected with the bridge pier (3). Because of the ingenious design, the invention reduces the bending moment force acting on the beam body of the bridge and reduces the local stress fatigue of the beam body to prolong the service life by the rearrangement and the improvement of the spherical bearing, and simultaneously, the rotation guiding function of the spherical bearing realizes the separation and ensures the service life of the spherical bearing.
Description
Technical field
The invention belongs to the high-speed railway bridge technical field, relate to a kind of bridge concretely and support the syndeton of using spherical bearing.
Background technology
Spherical bearing is one of important composition parts in bridge and the construction work, and its effect is that bridge and building structure upper load are delivered on the pier by spherical bearing, guarantees desired stressed, displacement of bridge and building structure and rotation needs simultaneously.In recent years,, make susceptor design bearing capacity and form of structure often break through standard code, brought difficulty with selecting for use for susceptor design along with constantly building of all kinds of concrete towers beam integrative-structures, steel truss, thin bar steel arch bridge etc.Lacking technical standard on the one hand supports; On the other hand, worry whether the bearing supporting capacity is reliable, whether satisfies requirement of engineering application life.And traditional design scheme is in the function that can't demonstrate fully bearing aspect these uses.
The arrangement of present spherical bearing between king-tower and bridge pier is (as shown in Figure 6) from top to bottom successively: upper bracket plate, spherical crown liner plate, lower support plate, wherein the plane cooperates between upper bracket plate and the spherical crown liner plate, has horizontal movement between the two, cooperate by sphere between spherical crown liner plate and the lower support plate to have rotating function between the two, and lower support plate is fixed on the bridge pier 15.With the bridge construction of tower beam one for for example shown in the figure, use the displacement situation of above-mentioned syndeton bearing to be: ball shaped steel bearing is before displacement, though bearing 13 and tower 14 are in same center, but after being subjected to displacement, (move horizontally and follow certain rotation) king-tower center line and bearing support disalignment, thereby the beam body is produced a bigger additional bending moment act on Liang Tishang, the beam body is had a negative impact, beam body part is under the effect that is subjected to repeatedly moment of torsion in such cases, can produce tired, can rupture under the serious situation, influence the application life of beam body.
In addition, traditional spherical bearing is for adapting to the actual needs of bridge, remove the relative displacement that should have horizontal direction between the last undersetting, also should possess certain rotation simultaneously, certainly its rotation is smaller, purpose is to discharge the deflection that the beam body might occur, for spherical bearing mainly is to cooperate with sphere between the undersetting by the spherical crown liner plate in the bearing to realize, when relatively rotating, also has the tendency of relatively rotating between the two between certain undersetting and the upper bracket, upper bracket also should have guide effect to undersetting simultaneously, therefore the abutting end between the present last undersetting is rectangular configuration, is to have suitable gap for reaching both fitting faces of possibility with rotation.If the undersetting right-angle side is that line contacts with the guiding inwall of upper bracket when bearing horizontal loading and slippage simultaneously in rotation process, can produce resistance to displacement and wearing and tearing like this, cause the concentrated problem of lateral stress, influence the application life of bearing.
Summary of the invention
The object of the present invention is to provide a kind of bridge that can improve spherical bearing and bridge beam body application life to support syndeton with spherical bearing.
Technical scheme of the present invention is as follows:
A kind of bridge supports the syndeton with spherical bearing, comprise bridge main tower, spherical bearing and bridge pier (3), be connected by described spherical bearing between described bridge main tower and the bridge pier, wherein said spherical bearing is mainly by the upper bracket plate, spherical crown liner plate and lower support plate are formed, described upper bracket plate is fixedlyed connected with described bridge main tower, lower support plate is fixedlyed connected with described bridge pier, between described upper bracket plate and spherical crown liner plate, be provided with the sphere slide plate, be provided with plane slide plate and mirror face stainless steel plate between spherical crown liner plate and the lower support plate, described plane slide plate is fixed on spherical crown liner plate bottom surface, the mirror face stainless steel plate is fixed on described lower support plate upper surface, can produce relative slip in the horizontal direction by plane slide plate and mirror face stainless steel plate between described spherical crown liner plate and the lower support plate.
Adopt said structure, key is the relation of the relative displacement between traditional spherical bearing and king-tower and the bridge pier is changed, concretely: can produce relative moving horizontally between original as described in the background art structure king-tower and the spherical bearing and can produce the problems referred to above, and (as shown in Figure 5) relative displacement relation is changed in this structure, when needing the occurred level relative displacement between the last undersetting, produce horizontal relative displacement between bridge pier and the spherical bearing, and king-tower and spherical bearing together with the time move, guarantee that the use of king-tower center line and bearing support center line remains on the same straight line, so just can reduce the additional bending moment that the beam body produced because of relative displacement greatly, improve the beam body purpose in application life thereby reach.
Be provided with turning set between described upper bracket plate and lower support plate, the lower end of wherein said upper bracket plate is that cylinder is sleeved on the centre bore of described turning set, and the outer rim of this turning set is that rectangle matches with the guide rail of described lower support plate inside wall.
Adopt said structure realized with between upper bracket and the undersetting relatively rotate function and undersetting is separated the guide function of upper bracket, upper bracket rotates in turning set during rotation, by the guiding of undersetting, and move the guiding of realization this moment turning set and upper bracket the time during guiding to upper bracket to turning set.Remaining face between upper bracket and the turning set like this contacts.Avoided being subjected to resistance to displacement, wearing and tearing and line contact to produce the problem that lateral stress is concentrated, the application life of having improved bearing.
Between upper bracket plate outside the described sphere slide plate and spherical crown liner plate, be provided with the ball face sealing circle, be provided with planar seal ring between the spherical crown liner plate in the described plane slide plate outside and the lower support plate.
The design of sealing ring can be played and reduce the pollution of external environment dust to sled surface; Influence shuffle effect.
Described upper bracket plate is provided with sphere lubricating grease passage, and the inside liquid injection port of this sphere lubricating grease passage is between described ball face sealing circle and sphere slide plate.
Described lower support plate is provided with plane lubricating grease passage, and the inside liquid injection port of this plane lubricating grease passage is between described planar seal ring and plane slide plate.
The design of lubricating grease passage can replenish the lubricating grease of all-moving surface repeatedly, guarantees that slide surface is long-acting to be lubricated, and has prolonged the application life of friction pair.
Beneficial effect: the present invention is skillfully constructed, by rearranging and the improvement of spherical bearing itself to spherical bearing, reduced the suffered bending moment force of bridge beam body, the stress fatigue that reduces beam body part improves its application life, and the rotation guide function of spherical bearing itself is realized separating the application life that guarantees spherical bearing itself simultaneously.
Description of drawings
The present invention will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of bearing among the present invention;
Fig. 3 is an A place partial enlarged drawing among Fig. 2;
Fig. 4 be turning set with upper bracket plate and lower support plate between cooperate sectional view;
Fig. 5 is the schematic diagram of the present invention when the occurred level displacement;
Fig. 6 is the schematic diagram when going up the displacement of lower support plate occurred level in the background technology.
The specific embodiment
Embodiment: as Fig. 1,2,3,4, shown in 5: a kind of bridge supports the syndeton with spherical bearing, comprise bridge main tower 1, spherical bearing 2 and bridge pier 3, be connected by described spherical bearing 2 between described bridge main tower 1 and the bridge pier 3, wherein said spherical bearing 2 is mainly by upper bracket plate 4, spherical crown liner plate 5 and lower support plate 6 are formed, described upper bracket plate 4 is fixedlyed connected with described bridge main tower 1, lower support plate 6 is fixedlyed connected with described bridge pier 3, between described upper bracket plate 4 and spherical crown liner plate 5, be provided with sphere slide plate 7, be provided with plane slide plate 8 and mirror face stainless steel plate 9 between spherical crown liner plate 5 and the lower support plate 6, described plane slide plate 8 is fixed on spherical crown liner plate 5 bottom surfaces, mirror face stainless steel plate 9 is fixed on described lower support plate 6 upper surfaces, can produce relative slip in the horizontal direction by plane slide plate 8 and mirror face stainless steel plate 9 between described spherical crown liner plate 5 and the lower support plate 6.
Above-mentioned sphere slide plate and plane slide plate adopt high abrasion, low friction, resistance to compression and ageing-resistant modified ultra-high molecular weight polyethylene material, and its design allowable compressive stress is 2 times of polytetrafluoroethylene (PTFE), and anti-wear performance is 5 times of polyfluortetraethylene plate.This has satisfied large-tonnage bearing high-bearing, high abrasion, low friction and ageing-resistant needs.
Between described upper bracket plate 4 and lower support plate 6, be provided with turning set 10, the lower end of wherein said upper bracket plate 4 is that cylinder is sleeved on the centre bore of described turning set 10, and the outer rim of this turning set 10 is that rectangle matches with the guide rail of described lower support plate 6 inside walls.
Between the upper bracket plate 4 in described sphere slide plate 7 outsides and spherical crown liner plate 5, be provided with ball face sealing circle 11, be provided with planar seal ring 12 between the spherical crown liner plate 5 in slide plate 8 outsides, described plane and the lower support plate 6.
Described upper bracket plate 4 is provided with sphere lubricating grease passage 4a, and the inside liquid injection port of this sphere lubricating grease passage 4a is between described ball face sealing circle 11 and sphere slide plate 7.
Described lower support plate 6 is provided with plane lubricating grease passage 6a, and the inside liquid injection port of this plane lubricating grease passage 6a is between described planar seal ring 12 and plane slide plate 8.
Lubricating grease is selected silicone grease for use, with the further anti-wear performance that improves the modified ultra-high molecular weight polyethylene slide plate, can replenish a silicone grease every 5-10 according to the actual situation about being subjected to displacement of bearing usually.
Claims (5)
1. a bridge supports the syndeton of using spherical bearing, comprise bridge main tower (1), spherical bearing (2) and bridge pier (3), be connected by described spherical bearing (2) between described bridge main tower (1) and the bridge pier (3), wherein said spherical bearing (2) is mainly by upper bracket plate (4), spherical crown liner plate (5) and lower support plate (6) are formed, it is characterized in that: described upper bracket plate (4) is fixedlyed connected with described bridge main tower (1), lower support plate (6) is fixedlyed connected with described bridge pier (3), between described upper bracket plate (4) and spherical crown liner plate (5), be provided with sphere slide plate (7), be provided with plane slide plate (8) and mirror face stainless steel plate (9) between spherical crown liner plate (5) and the lower support plate (6), described plane slide plate (8) is fixed on spherical crown liner plate (5) bottom surface, mirror face stainless steel plate (9) is fixed on described lower support plate (6) upper surface, can produce relative slip in the horizontal direction by plane slide plate (8) and mirror face stainless steel plate (9) between described spherical crown liner plate (5) and the lower support plate (6).
2. a kind of bridge according to claim 1 supports the syndeton with spherical bearing, it is characterized in that: between described upper bracket plate (4) and lower support plate (6), be provided with turning set (10), the lower end of wherein said upper bracket plate (4) is that cylinder is sleeved on the centre bore of described turning set (10), and the outer rim of this turning set (10) is that rectangle matches with the guide rail of described lower support plate (6) inside wall.
3. a kind of bridge according to claim 1 supports the syndeton with spherical bearing, it is characterized in that: be provided with ball face sealing circle (11) between upper bracket plate (4) outside described sphere slide plate (7) and the spherical crown liner plate (5), be provided with planar seal ring (12) between the spherical crown liner plate (5) in described plane slide plate (8) outside and the lower support plate (6).
4. a kind of bridge according to claim 3 supports the syndeton with spherical bearing, it is characterized in that: described upper bracket plate (4) is provided with sphere lubricating grease passage (4a), and the inside liquid injection port of this sphere lubricating grease passage (4a) is positioned between described ball face sealing circle (11) and the sphere slide plate (7).
5. a kind of bridge according to claim 3 supports the syndeton with spherical bearing, it is characterized in that: described lower support plate (6) is provided with plane lubricating grease passage (6a), and the inside liquid injection port of this plane lubricating grease passage (6a) is positioned between described planar seal ring (12) and the plane slide plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010114232A CN101748687A (en) | 2010-01-28 | 2010-01-28 | Connection structure of spherical bearing for supporting bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010114232A CN101748687A (en) | 2010-01-28 | 2010-01-28 | Connection structure of spherical bearing for supporting bridge |
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| CN101748687A true CN101748687A (en) | 2010-06-23 |
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| CN201010114232A Pending CN101748687A (en) | 2010-01-28 | 2010-01-28 | Connection structure of spherical bearing for supporting bridge |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768114A (en) * | 2012-08-01 | 2012-11-07 | 无锡创明传动工程有限公司 | Movable support |
| CN104294755A (en) * | 2014-09-19 | 2015-01-21 | 洛阳双瑞特种装备有限公司 | Wind-resistance spherical supporting base of novel structure |
| CN108797327A (en) * | 2018-08-03 | 2018-11-13 | 辽宁省交通规划设计院有限责任公司 | The adaptive spherical bearing of the gradient |
| CN109667344A (en) * | 2019-03-06 | 2019-04-23 | 中国建筑设计研究院有限公司 | A kind of sliding rail support and the long span building system containing it |
| CN110396923A (en) * | 2019-08-09 | 2019-11-01 | 成都市新筑路桥机械股份有限公司 | A kind of bridge lateral limiting device with fusing mechanism |
| CN110409293A (en) * | 2019-07-16 | 2019-11-05 | 上海兰德公路工程咨询设计有限公司 | A kind of novel high-mechanic ball-type bridge pad |
| CN110607735A (en) * | 2019-08-09 | 2019-12-24 | 成都市新筑路桥机械股份有限公司 | Four-line large-span railway bridge supporting system |
| CN112376412A (en) * | 2020-11-25 | 2021-02-19 | 成都市新筑路桥机械股份有限公司 | Bridge support capable of keeping exposed height of sliding plate |
| CN112726396A (en) * | 2021-01-07 | 2021-04-30 | 中国港湾工程有限责任公司 | Ocean anticorrosion support |
-
2010
- 2010-01-28 CN CN201010114232A patent/CN101748687A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768114A (en) * | 2012-08-01 | 2012-11-07 | 无锡创明传动工程有限公司 | Movable support |
| CN104294755A (en) * | 2014-09-19 | 2015-01-21 | 洛阳双瑞特种装备有限公司 | Wind-resistance spherical supporting base of novel structure |
| CN104294755B (en) * | 2014-09-19 | 2016-03-23 | 洛阳双瑞特种装备有限公司 | A kind of wind-resistant spherical support of new structure |
| CN108797327A (en) * | 2018-08-03 | 2018-11-13 | 辽宁省交通规划设计院有限责任公司 | The adaptive spherical bearing of the gradient |
| CN109667344A (en) * | 2019-03-06 | 2019-04-23 | 中国建筑设计研究院有限公司 | A kind of sliding rail support and the long span building system containing it |
| CN109667344B (en) * | 2019-03-06 | 2024-05-14 | 中国建筑设计研究院有限公司 | Sliding rail support and large-span building system comprising same |
| CN110409293A (en) * | 2019-07-16 | 2019-11-05 | 上海兰德公路工程咨询设计有限公司 | A kind of novel high-mechanic ball-type bridge pad |
| CN110396923A (en) * | 2019-08-09 | 2019-11-01 | 成都市新筑路桥机械股份有限公司 | A kind of bridge lateral limiting device with fusing mechanism |
| CN110607735A (en) * | 2019-08-09 | 2019-12-24 | 成都市新筑路桥机械股份有限公司 | Four-line large-span railway bridge supporting system |
| CN112376412A (en) * | 2020-11-25 | 2021-02-19 | 成都市新筑路桥机械股份有限公司 | Bridge support capable of keeping exposed height of sliding plate |
| CN112726396A (en) * | 2021-01-07 | 2021-04-30 | 中国港湾工程有限责任公司 | Ocean anticorrosion support |
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| C06 | Publication | ||
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| ASS | Succession or assignment of patent right |
Owner name: CHENGDU XINZHU LUQIAO MECHINE CO., LTD. Owner name: ZHONGTIE MAJOR BRIDGE RECONNAISSANCE + DESIGN INST Free format text: FORMER OWNER: CHENGDU XINZHU LUQIAO MECHINE CO., LTD. Effective date: 20100813 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Gongyi Inventor after: Xia Yulong Inventor after: Mei Xinyong Inventor after: Xiong Jinsong Inventor after: Cheng Yinggang Inventor after: Zhou Liang Inventor after: Liu Hailiang Inventor before: Xia Yulong Inventor before: Xiong Jinsong Inventor before: Zhou Liang Inventor before: Liu Hailiang |
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| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 611430 XINJIN INDUSTRIAL PARK, CHENGDU CITY, SICHUAN PROVINCE TO: 430050 NO.34, HANYANG AVENUE, WUHAN CITY, HUBEI PROVINCE Free format text: CORRECT: INVENTOR; FROM: XIA YULONG XIONG JINSONG ZHOU LIANG LIU HAILIANG TO: XU GONGYI XIA YULONG MEI XINYONG XIONG JINSONG CHENG YINGGANG ZHOU LIANG LIU HAILIANG |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20100813 Address after: 430050 Hanyang Road, Hubei, Wuhan, No. 34 Applicant after: Zhongtie Major Bridge Reconnaissance & Design Institute Co., Ltd. Co-applicant after: Chengdu Xinzhu Luqiao Mechine Co., Ltd. Address before: 611430 Xinjin Industrial Park, Sichuan, Chengdu Applicant before: Chengdu Xinzhu Luqiao Mechine Co., Ltd. |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100623 |