CN1343587A - Fixable supporter sliding unidirectionally and its application method - Google Patents
Fixable supporter sliding unidirectionally and its application method Download PDFInfo
- Publication number
- CN1343587A CN1343587A CN 01126913 CN01126913A CN1343587A CN 1343587 A CN1343587 A CN 1343587A CN 01126913 CN01126913 CN 01126913 CN 01126913 A CN01126913 A CN 01126913A CN 1343587 A CN1343587 A CN 1343587A
- Authority
- CN
- China
- Prior art keywords
- bearing
- top board
- fixable
- locking key
- groove
- Prior art date
- 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.)
- Granted
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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
- E01D19/042—Mechanical bearings
- E01D19/046—Spherical bearings
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
A fixable supporter sliding unidirectionally for linking multiple beams to form a quasi-continuous beam is composed of top plate, top seat between two covex edge of top plate, upper and lower sliding plates, ball-and-socket hinge, screw bolt, lock nut, setting up screw, screw bolt base and bottom plate. Two slots are made on the bottom surface of top plate for inserting L-shaped locking key in it to lock the supporter. Two screw holes are made on the L-shaped locking keys for fixing it in the said slot. Its advantages are high locking reliability and multiple purposes.
Description
Technical field
The present invention relates to the scalable bearing, particularly a kind of elevated line beam that is used for, the fixable supporter sliding unidirectionally that railroad vehicle track girder and high-speed maglev train track girder are installed.
Background technology
Track girder is across between two buttresses, and one section connects one section ground and constitutes the whole piece circuit.Because Modern High-Speed Rail Transit System such as magnetic suspension train is when high-speed cruising, there is unusual high accuracy requirement in system to line construction, requires circuit to be out of shape under the effect of the temperature difference, disposal load etc. and amount of deflection should be controlled in the very little scope.The deflection of the track girder that is caused by the temperature difference or disposal load or arch are unchallenged in traditional bridge, and for the running rail of the railroad vehicle of Modern High-Speed traffic, particularly in the magnetic-levitation, the infinitesimal deformation that these temperature difference or disposal load cause can influence the high-speed cruising of train.
Can know that by calculating continuous beam is compared with its prismatic two single supported beams on structural behaviour, to have preceence aspect the distortion that causes in the control temperature difference or disposal load.But because the track girder of beam structure generally will be constructed by the mode that prefabricated manufacturing is set up again.Because self size and weight is huge, simultaneously because continuous beam on many supports belongs to the outside hyperstatic structure of multi-point support, in transportation and hoisting process, must remain the state of multi-point support, and the relative displacement of its arbitrary fulcrum all will be controlled at small range, could guarantee the safety of beam itself, otherwise in whole construction course, be easy to cause the destruction of whole beam.Therefore not only will be when line construction at the high-grade fortune beam single-purpose road of parallel build along the line, also to be equipped with the fortune beam dedicated trolley of multi-point support and the special-purpose hanging device of synchronous multiple spot lifting simultaneously, bring very big difficulty for manufacturing, processing, transportation, installation and location, increased making and construction cost greatly.
Therefore the multistage single supported beam is connected into the idea of the quasi-continuous beam of multispan, has the less advantage of distortion under the influence factors such as the control temperature difference and disposal load to make full use of continuous beam, the continuous beam that overcomes the volume and weight bulkiness simultaneously is in prefabricated, processing, transportation with the difficulty in installing, and this need provide a kind of bearing problem that may change because of stress system changes with regard to having proposed to provide a kind of when the multistage single supported beam is transformed into quasi-continuous beam.
Patent of invention " the regulatable supporter " (application number: 01126627.9 of the applicant's application, September 4 calendar year 2001 applying date) adjustable track girder fixed bearing has been proposed, unidirectional expansion bearing of adjustable track girder and adjustable track girder bi-directional movable bearing, adopt double-screw bolt and double-screw bolt base, jam nut and lock screw and ball pivot system have solved the problem of the vertical adjustment height of bearing; Simultaneously form the horizontal adjustment system and also solved bearing lateral adjustment problem basically by double-screw bolt base, lower shoe and high strength bolt, but the multistage single supported beam is become quasi-continuous beam in order to solve, the bearing that provides a kind of unidirectional sliding feet and fixed bearing to change mutually also is provided, and does not still have in the present prior art.
Summary of the invention
The technical problem to be solved in the present invention is for the ease of the multistage single supported beam being transformed into the exchange between the quasi-continuous beam, a kind of fixable supporter sliding unidirectionally and using method thereof are provided, requiring locking reliable, easy to use.
Technical solution of the present invention is:
A kind of fixable supporter sliding unidirectionally, constitute by top board, footstock, upper sliding plate, lower slider plate, ball pivot, double-screw bolt, jam nut, lock screw, double-screw bolt base, base plate, said footstock is between two nibs of top board bottom surface, the bottom surface that its characteristics are said top board respectively has a groove perpendicular to nib by the both sides of footstock, can plug one " L " shape locking key in this groove, with this bearing locking, should " L " shape locking key and the correspondence position of the groove of top board offer two screws, can penetrate bolt the prominent bar of locking key is fixed in the groove of top board.
Utilize fixable supporter sliding unidirectionally of the present invention that two sections single supported beams are connected into the using method of quasi-continuous beam, comprise the following steps:
(1) fixable unidirectional sliding feet is utilized the prominent bar of locking key insert in the groove of top board, and be screwed in the screw and lock, when fixed bearing uses with bolt;
(2) reasonably utilize this bearing, after coupling together with the accurate location of single supported beam section lifting and with the beam section, the locking key of this bearing is removed, then this bearing becomes unidirectional sliding feet, thereby the single supported beam section can be become the stress system of quasi-continuous beam;
When (3) needing, can load onto the locking key of removing, promptly be convertible into fixed bearing again, untie the connection between the single supported beam section after, the topside system can become the single supported beam state from quasi-continuous recovering state.
Description of drawings
Fig. 1 be fixable supporter sliding unidirectionally of the present invention partly cut open scheme drawing.
Fig. 2 is the locking key scheme drawing.
Fig. 3 is that the present invention is used for the scheme drawing that two sections single supported beam sections connect into continuous beam bearing arrangement.
Among the figure:
1-top board 11-upper sliding plate
12-screw 13-groove
131-screw 14-locking key
The 141-screw 142-bar of dashing forward
15-bolt 2-footstock
21-bottom surface circular pit 22-lower slider plate
23-screw 3-ball pivot
31-upper ball base 32-lower ball base
33-high-antiwear self-lubricating material 4-double-screw bolt
41-cavity 42-regulates jack
43-outside thread 5-jam nut
51-screw hole 52-lock screw
6-double-screw bolt base 61-negative thread
Waist hole, 62-screw 63-location
64-base flange 7-base plate
2.1,2.7-along bridge to unidirectional sliding feet 2.2,2.4,2.6, the two-way sliding feet of 2.8-
2.5-fixed bearing 2.3-fixable supporter sliding unidirectionally
The specific embodiment
Fig. 1 is that a kind of fixable supporter sliding unidirectionally of the present invention partly cuts open scheme drawing.As seen from the figure, fixable supporter sliding unidirectionally, by top board 1, footstock 2, upper sliding plate 11, lower slider plate 22, ball pivot 3, double-screw bolt 4, jam nut 5, lock screw 52, double-screw bolt base 6, base plate 7 constitutes, the both sides, bottom surface of said top board 1 form nib, said footstock 2 is between two nibs of top board 1 bottom surface, a groove 13 is respectively offered perpendicular to nib and near the both sides of footstock 2 in the bottom surface that is characterized in said top board 1, can plug one " L " shape locking key, 14 (see figure 2)s in this groove 13, with this bearing locking, in order to insert groove 13 securely, the correspondence position of the prominent bar 142 of this " L " shape locking key 14 and the groove 13 of top board 1 offers two screws 141,131, penetrating bolt 15 can be fixed on the prominent bar 142 of locking key 14 in the groove 13 of top board 1, is about to unidirectional sliding feet and becomes and be fixed bearing.
Bearing of the present invention can become fixed bearing by unidirectional sliding feet according to actual needs, or becomes unidirectional sliding feet by fixed bearing on the contrary, and this has vital function in the work that the multistage single supported beam is connected into quasi-continuous beam.
Fig. 3 is that the present invention is used for two sections single supported beam sections and connects into continuous beam bearing arrangement scheme drawing.Two sections beams adopt 4 pairs of bearings.Wherein 2.1,2.7 be along bridge to unidirectional sliding feet; 2.2,2.4,2.6,2.8 be two-way sliding feet; 2.5 be fixed bearing; 2.3 for fixable supporter sliding unidirectionally of the present invention, become when promptly sliding surface is untied along bridge to unidirectional sliding feet, when locking, be equivalent to fixed bearing.When the beam section was pressed the freely-supported arranged in form, every section beam was arranged a fixed bearing down.But after the beam of two sections former freely-supported forms connects into quasi-continuous beam according to certain mode, one of them fixed bearing must separate that be split into can be along bridge to the bearing that slides, otherwise the horizontal force that temperature causes can cause the destruction of bearing, but if adopt with upper bracket arrangement and fixable supporter sliding unidirectionally of the present invention, adopt the mode of bolt together between connecting panel and the pre-embedded steel slab again, just can make track structure between system of simple supporting and two Span Continuous (or multispan is continuous) system, in office what is the need for transforms mutually when wanting.Both can be in the lifting of each beam section, accurately the location is finished back locking at once and be coupled together, and also can wait circuit operation a period of time, the concrete shrinkage of beam, creep and foundation settlement etc. basicly stable after, lock again and couple together., if find generations such as individual line continues that sedimentation is arranged, displacement, distortion, still can connect and remove after operation a period of time at bonded assembly circuit, readjusting behind the accurate location each beam section again, locking connects.Very convenient, the effect of fixable supporter sliding unidirectionally maximum of the present invention that Here it is, bearing of the present invention can also be done unidirectional sliding feet or fixed bearing use certainly, so bearing of the present invention has multiduty characteristics.
Claims (2)
1. fixable supporter sliding unidirectionally, by top board (1), footstock (2), upper sliding plate (11), lower slider plate (22), ball pivot (3), double-screw bolt (4), jam nut (5), lock screw (52), double-screw bolt base (6), base plate (7) constitutes, said footstock (2) is positioned between two nibs of top board (1) bottom surface, the bottom surface that it is characterized in that said top board (1) also respectively offers a groove (13) by the both sides of footstock (2) perpendicular to nib, can plug one " L " shape locking key (14) in this groove (13), with this bearing locking, the correspondence position that is somebody's turn to do the groove (13) of " L " shape locking key (14) and top board (1) offers two screws (141,131), can penetrate bolt (15) is fixed on the prominent bar (142) of locking key (14) in the groove (13) of top board (1).
2. the using method of fixable supporter sliding unidirectionally according to claim 1 is characterized in that, in that two sections single supported beams are connected in the quasi-continuous beam, comprises the following steps:
(1) fixable supporter sliding unidirectionally is utilized the prominent bar (142) of locking key (14) insert in the groove (13) of top board (1), and be screwed in the screw (141,131) and lock, when the fixed bearing use with bolt (15);
(2) reasonably utilize this bearing, after coupling together with the also accurate location of single supported beam section lifting and with the beam section, the locking key (14) of this bearing is removed, then this bearing becomes unidirectional sliding feet, thereby the single supported beam section can be become the stress system of quasi-continuous beam;
When (3) needing, can load onto the locking key of removing (14), be convertible into fixed bearing again, so that continuous beam section is reverted to the version of one section one section freely-supported.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011269138A CN1143029C (en) | 2001-09-28 | 2001-09-28 | Fixable supporter sliding unidirectionally and its application method |
| PCT/CN2002/000461 WO2003029562A1 (en) | 2001-09-28 | 2002-07-01 | A fixable unilateral sliding support and the method of application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011269138A CN1143029C (en) | 2001-09-28 | 2001-09-28 | Fixable supporter sliding unidirectionally and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1343587A true CN1343587A (en) | 2002-04-10 |
| CN1143029C CN1143029C (en) | 2004-03-24 |
Family
ID=4666916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011269138A Expired - Lifetime CN1143029C (en) | 2001-09-28 | 2001-09-28 | Fixable supporter sliding unidirectionally and its application method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1143029C (en) |
| WO (1) | WO2003029562A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101195986B (en) * | 2007-12-27 | 2010-06-09 | 中铁六局集团太原铁路建设有限公司 | Cantilever casting continuous beam temporary support concretion system for passenger special line |
| CN101210413B (en) * | 2006-12-29 | 2011-02-16 | 上海磁浮交通工程技术研究中心 | Tensile adjustable connection mechanism for orbit beam |
| CN101863236B (en) * | 2009-04-14 | 2012-03-21 | 上海坦达轨道车辆座椅***有限公司 | Train seat |
| CN107650349A (en) * | 2017-10-24 | 2018-02-02 | 无锡海天机械有限公司 | Head plate, which is penetrated, moves free bearing and matched moulds part and installation method |
| CN116572839A (en) * | 2023-07-10 | 2023-08-11 | 宁波胜维德赫华翔汽车镜有限公司 | Actuator spherical shell structure, rearview mirror and vehicle |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107988857B (en) * | 2017-11-28 | 2023-08-25 | 中铁第四勘察设计院集团有限公司 | Straddle type monorail semi-fixed continuous beam |
| RU184151U1 (en) * | 2018-07-12 | 2018-10-17 | Общество с ограниченной ответственностью "Альфатех" | Movable shear stop |
| CN113309013B (en) * | 2021-06-15 | 2024-06-11 | 北京工业大学 | Modular assembly type spherical hinge |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067452C (en) * | 1995-10-12 | 2001-06-20 | 北方交通大学 | Shock-proof ball shaped steel bearing |
| FR2750440B1 (en) * | 1996-06-26 | 1999-04-23 | Jarret | DEVICE FOR POSITIONING AT LEAST ONE FIXED POINT IN A CIVIL ENGINEERING WORK AND APPLICATION TO SUCH WORKS |
| NL1008614C1 (en) * | 1998-03-17 | 1999-09-20 | Bouwdienst Rijkswaterstaat | Imposition. |
| CN2329697Y (en) * | 1998-05-27 | 1999-07-21 | 中国船舶工业总公司第七研究院第七二五研究所 | High-carrying all-closed spherical bridge bearing |
| CN2334796Y (en) * | 1998-07-27 | 1999-08-25 | 铁道部科学研究院铁道建筑研究所 | Upper guiding single-direction moveable basin-shaped rubber support |
| CN2414102Y (en) * | 2000-03-29 | 2001-01-10 | 衡水橡胶股份有限公司 | Longitudinal moveable shock-resistant basin-shaped rubber support |
-
2001
- 2001-09-28 CN CNB011269138A patent/CN1143029C/en not_active Expired - Lifetime
-
2002
- 2002-07-01 WO PCT/CN2002/000461 patent/WO2003029562A1/en not_active Application Discontinuation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101210413B (en) * | 2006-12-29 | 2011-02-16 | 上海磁浮交通工程技术研究中心 | Tensile adjustable connection mechanism for orbit beam |
| CN101195986B (en) * | 2007-12-27 | 2010-06-09 | 中铁六局集团太原铁路建设有限公司 | Cantilever casting continuous beam temporary support concretion system for passenger special line |
| CN101863236B (en) * | 2009-04-14 | 2012-03-21 | 上海坦达轨道车辆座椅***有限公司 | Train seat |
| CN107650349A (en) * | 2017-10-24 | 2018-02-02 | 无锡海天机械有限公司 | Head plate, which is penetrated, moves free bearing and matched moulds part and installation method |
| CN107650349B (en) * | 2017-10-24 | 2024-04-26 | 无锡海天机械有限公司 | Head plate injection hinge support, mold closing component and mounting method |
| CN116572839A (en) * | 2023-07-10 | 2023-08-11 | 宁波胜维德赫华翔汽车镜有限公司 | Actuator spherical shell structure, rearview mirror and vehicle |
| CN116572839B (en) * | 2023-07-10 | 2023-09-29 | 宁波胜维德赫华翔汽车镜有限公司 | Actuator spherical shell structure, rearview mirror and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003029562A1 (en) | 2003-04-10 |
| CN1143029C (en) | 2004-03-24 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20040324 |
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| CX01 | Expiry of patent term |