CN102032959B - Vertical intelligent force measurement support - Google Patents
Vertical intelligent force measurement support Download PDFInfo
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- CN102032959B CN102032959B CN201010554176A CN201010554176A CN102032959B CN 102032959 B CN102032959 B CN 102032959B CN 201010554176 A CN201010554176 A CN 201010554176A CN 201010554176 A CN201010554176 A CN 201010554176A CN 102032959 B CN102032959 B CN 102032959B
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Abstract
The invention relates to a vertical intelligent force measurement support which comprises an upper pendulum, a lower pendulum and a base, wherein the lower surface of the upper pendulum is a convex spherical surface, the upper surface of the lower pendulum is a concave spherical surface, the upper pendulum is in spherical contact with the lower pendulum, the lower pendulum is arranged on the base, is provided with at least one resistance strain element on the peripheral cylindrical surface thereof and generates the circumferential horizontal pulling force under the action of the upper pendulum spherical normal compressive strain, the circumferential horizontal pulling force enables the resistance strain element on the peripheral cylindrical surface of the lower pendulum to vary, and the variable quantity reduces the size of load acting on the intelligent force measurement support after collection, analysis and treatment of a data collection module. The vertical intelligent force measurement support can be used as a support of a bridge, a building or other engineering structures, is used for testing and monitoring various loads including vertical loads such as static load, dynamic load, impact load and the like for a long term, in particular to monitoring the reaction force of a high-speed railway bridge support, and has important practical significance on ensuring the safety of high-speed railway operation.
Description
Technical field
The present invention relates to a kind of bridge Dynamometric support, especially a kind of can be to acting on the vertical intelligent Dynamometric support that the load of vertical direction is tested automatically on the works, it is a kind of multi-functional Dynamometric support of bridge and overpass beam-ends.
Background technology
The fast development of traffic infrastructure has taken the land resource of a large amount of preciousnesses.In order to save rare day by day soil, in recent years, the construction of high-speed railway is adopted and more and more to be become common recognition with bridge for the road, and the line is busy that the road always reaches more than 80% like the Beijing-Shanghai High-Speed Railway bridge.For guaranteeing that speed per hour reaches train safe operation on the so many circuit of bridge quantity of 350 kilometers, monitor at any time and understand each bridge beam whether to be in good working order be very important, be the requisite measure of avoiding occurring catastrophic failure.
Adopt bearing to be connected between the beam of most bridges and bridge pier and the abutment, bearing plays a part deadweight of supporting bridge superstructure and train load, coordinates the malformation of bridge owing to load action and temperature variation generation simultaneously.The high-speed railway bridge overwhelming majority is Box Simple Supported Beam bridge and continuous bridge, and every box beam is by 4 bearing supports, and continuous beam is then by more than 4 bearing supports.Freely-supported Box-girder Bridges and continuous bridge are under bridge deadweight and train load effect, and the load that bearing bears changes in certain scope, if abnormal displacement takes place the pier of bridge, must cause the undesired variation of end reaction.Therefore, monitor bridge pad counter-force situation of change in real time, just can monitor the duty of bridge, judge whether it is in normal range.
At present, still do not have both at home and abroad a kind of test automation property, Dynamometric support that price ratio is high to can be used for the safety monitoring of high-speed railway bridge or other bridges, or technical feature does not reach requirement, or cost is higher, suitable a large amount of the use.
Summary of the invention
The present invention has designed a kind of vertical intelligent Dynamometric support; The technical matters of its solution is still not have both at home and abroad a kind of test automation, Dynamometric support that price ratio is high to can be used for the safety monitoring of high-speed railway bridge or other bridges; Perhaps exist technical feature not reach requirement, perhaps have the higher unsuitable a large amount of defectives of using of cost.
In order to solve the technical matters of above-mentioned existence, the present invention has adopted following scheme:
A kind of vertical intelligent Dynamometric support comprises pendulum (1), the bottom (3) and base (7); The said lower surface of going up pendulum (1) is protruding sphere, and the upper surface of the said bottom (3) is a concave spherical surface, and the said pendulum (1) of going up contacts for sphere with the said bottom (3); The said bottom (3) is positioned on the said base (7); The said bottom (3) is provided with at least one resistance-strain element (4) on its face of cylinder, outside; The said bottom (3) produces the hoop horizontal pull under last pendulum (1) sphere normal direction action of compressive stress; The hoop horizontal pull changes resistance-strain element (4) resistance value on the cylinder of the bottom outside, and this variable quantity restores the size that acts on load on the intelligent Dynamometric support after gathering, analyze and handle through data acquisition module (9).
Further, said resistance-strain element (4) is sealedly connected on the face of cylinder, the said bottom (3) outside through seal closure (5).
Further, said going up between the pendulum (1) and the said bottom (3) is provided with antifriction layer (2).
Further, be provided with down antifriction layer (6) between the said bottom (3) and the said base (7).
Further, the centre of the said bottom (3) is provided with circular hole (10), and the bottom surface of the said bottom (3) is plane or sphere; Said base (7) end face forms an annular groove, and the bottom surface of said annular groove is plane or sphere, contacts for plane or sphere between the said bottom (3) and the following antifriction layer (6) and between said antifriction layer (6) down and the said base (7).
Further, said data acquisition module (9) is arranged on base (7) end face, and is connected with said resistance-strain element (4) through connecting lead (8).
This vertical intelligent Dynamometric support is compared with traditional Dynamometric support, has following beneficial effect:
(1) the vertical intelligent Dynamometric support of the present invention utilize spherical bearing the bottom as sensor, post the resistance-strain element at the periphery of the bottom.When the vertical load on acting on the present invention changes, the resistance value of foil gauge will change, its variable quantity is measured by data acquisition module.The data of data collecting module collected are handled through Computer Analysis, carry out graphic presentation after converting the load that acts on the bearing to, can judge the duty of bridge intuitively.
(2) the vertical intelligent Dynamometric support of the present invention is owing to utilize the bearing bottom as pressure transducer, makes simple in structure lowly with cost, and measuring accuracy is high.
(3) the vertical intelligent Dynamometric support of the present invention is connected with the resistance-strain element owing to data acquisition module being passed through to connect lead, thereby can carry out dynamic test and realize test automation and remote monitoring.
Description of drawings
Fig. 1: first kind of half elevation of the vertical intelligent Dynamometric support of the present invention and half-sectional view;
Fig. 2: second kind of half plan of the vertical intelligent Dynamometric support of the present invention and half-sectional view.
Description of reference numerals:
The last pendulum of 1-; The last antifriction layer of 2-; The 3-bottom; 4-resistance-strain element; The 5-seal closure; Antifriction layer under the 6-; The 7-base; 8-connects lead; The 9-data acquisition module; The 10-circular hole.
Embodiment
Below in conjunction with Fig. 1 and Fig. 2, the present invention is further specified:
As shown in Figure 1, the vertical Dynamometric support of a kind of intelligence, it by last pendulum 1, go up antifriction layer 2, the bottom 3, resistance-strain element 4, seal closure 5, down antifriction layer 6, base 7, connect lead 8 and data acquisition module 9 is formed.
The end face of last pendulum 1 is the plane, is provided with the bolt hole that is connected with works at four jiaos, on to put 1 bottom surface be protruding sphere; The bottom 3 end faces are concave spherical surface, and the bottom surface can be plane or sphere, and the side is the cylinder of band groove, and there is circular hole 10 at the bottom 3 centers.Between the last pendulum 1 and the bottom 3, be provided with antifriction layer 2, last antifriction layer 2 is sphere with last pendulum 1 with the bottom 3 respectively and contacts.
The bottom 3 bottom surfaces and base 7 upper support faces can be plane or sphere, and are located at that following antifriction layer 6 between the bottom 3 bottom surfaces and the base 7 upper support faces can be the plane or sphere contacts.Base 7 end faces have an annular recess, and groove floor can be plane or sphere, and base 7 medial surfaces are the face of cylinder, and lateral surface can be the face of cylinder, circular conical surface or polygon prismatic surface.Annular recess is in order to limit the position of the bottom.Base 7 bottom surfaces are the plane, are provided with the bolt hole that is connected with works for 7 four jiaos at base.Resistance-strain element 4 sticks on the face of cylinder, the outside of the bottom 3, and is connected in data acquisition module 9 with connecting lead 8; Data acquisition module 9 is fixed in above the base 7.
As shown in Figure 2, the principle of work of the vertical Dynamometric support of the present invention intelligence is following: act on vertical load on this vertical Dynamometric support successively through last pendulum 1, last antifriction layer 2, the bottom 3, following antifriction layer 6, base 7 reach Bridge Pier.The bottom 3 produces the hoop horizontal pull under last pendulum 1 sphere normal direction action of compressive stress; The hoop horizontal pull changes resistance-strain element 4 resistance values that stick on the bottom 3 outside cylinders; This variable quantity restores the size that acts on load on the intelligent Dynamometric support through connecting lead 8 by after data acquisition module 9 collections, analyzing and handle.
In addition, seal closure 5 is sealedly connected on the face of cylinder, the bottom 3 outside.4 long-term protective effects of 5 pairs of resistance-strain elements of seal closure.
Relatively rotating of sphere can adapt to the rotational deformation that is installed on the works in the present invention between the upward pendulum 1 of this vertical intelligent Dynamometric support and the last antifriction layer 2, and last antifriction layer 2 works to reduce the pivoting friction resistance.Following antifriction layer 6 reduces to go up the friction force between pendulum 3 and the base 7.
Characteristics of the vertical intelligent Dynamometric support of the present invention and uses thereof:
1, utilize the bearing bottom as pressure transducer;
2, under the prerequisite that satisfies as the bridge pad function, realize the dynamometry function of bearing;
3, can carry out dynamic test;
4, simple in structure, cost is low;
5, can realize test automation and remote monitoring;
6, measuring accuracy is high.
The vertical intelligent Dynamometric support of the present invention can be used as the bearing of bridge, building or other engineering structure; In order to various loads are comprised the test and the long term monitoring of vertical loads such as dead load, dynamic load, impact load; Particularly can be used as the monitoring of high-speed railway bridge end reaction, be of great immediate significance guaranteeing the high-speed railway operation security.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obvious realization of the present invention does not receive the restriction of aforesaid way; As long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; Or design of the present invention and technical scheme are directly applied to other occasion without improving, all in protection scope of the present invention.
Claims (6)
1. a vertical intelligent Dynamometric support comprises pendulum (1), the bottom (3) and base (7); The said lower surface of going up pendulum (1) is protruding sphere, and the upper surface of the said bottom (3) is a concave spherical surface, and the said pendulum (1) of going up contacts for sphere with the said bottom (3); The said bottom (3) is positioned on the said base (7), it is characterized in that: the said bottom (3) is provided with at least one resistance-strain element (4) on its face of cylinder, outside, and the centre of the said bottom (3) is provided with circular hole (10), and the bottom surface of the said bottom (3) is plane or sphere; Said base (7) end face forms an annular groove, and the bottom surface of said annular groove is plane or sphere; The said bottom (3) produces the hoop horizontal pull under last pendulum (1) sphere normal direction action of compressive stress; The hoop horizontal pull changes resistance-strain element (4) resistance value on the cylinder of the bottom outside; This variable quantity restores the size that acts on load on the intelligent Dynamometric support after gathering, analyze and handle through data acquisition module (9).
2. according to the said vertical intelligent Dynamometric support of claim 1, it is characterized in that: seal closure (5) is sealedly connected on the face of cylinder, the said bottom (3) outside.
3. according to claim 1 or 2 said vertical intelligent Dynamometric supports, it is characterized in that: said going up between the pendulum (1) and the said bottom (3) is provided with antifriction layer (2).
4. according to the said vertical intelligent Dynamometric support of claim 3, it is characterized in that: be provided with down antifriction layer (6) between the said bottom (3) and the said base (7).
5. according to the said vertical intelligent Dynamometric support of claim 4, it is characterized in that: contact for plane or sphere between the said bottom (3) and the following antifriction layer (6) and between said antifriction layer (6) down and the said base (7).
6. according to the said vertical intelligent Dynamometric support of claim 5, it is characterized in that: said data acquisition module (9) is arranged on base (7) end face, and is connected with said resistance-strain element (4) through connecting lead (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010554176A CN102032959B (en) | 2010-11-23 | 2010-11-23 | Vertical intelligent force measurement support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010554176A CN102032959B (en) | 2010-11-23 | 2010-11-23 | Vertical intelligent force measurement support |
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| Publication Number | Publication Date |
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| CN102032959A CN102032959A (en) | 2011-04-27 |
| CN102032959B true CN102032959B (en) | 2012-10-10 |
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| CN201010554176A Active CN102032959B (en) | 2010-11-23 | 2010-11-23 | Vertical intelligent force measurement support |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106120547B (en) * | 2016-08-24 | 2018-05-01 | 洛阳双瑞特种装备有限公司 | A kind of vertical force measurement type hyperboloid spheroidal bearer of shock absorption and insulation |
| CN106644329B (en) * | 2017-03-28 | 2023-11-10 | 成都工业学院 | 120MN bridge support testing machine for high-precision dynamic measurement |
| CN110108410B (en) * | 2019-05-08 | 2021-02-23 | 西安近代化学研究所 | Pressure sensor mounting structure under high impact acceleration background condition |
| CN211395333U (en) * | 2019-11-20 | 2020-09-01 | 北京铁科首钢轨道技术股份有限公司 | Vertical dynamometry ball-type support |
| CN111487002A (en) * | 2020-04-21 | 2020-08-04 | 石家庄铁道大学 | Force measuring method for bridge spherical support |
| CN112284612B (en) * | 2020-10-23 | 2022-04-01 | 成都济通路桥科技有限公司 | Operation period supporting device serial type calibration method and system |
| US20230393053A1 (en) * | 2020-10-23 | 2023-12-07 | Sichuan Sunlight Inspection and Testing Co., Ltd. | Method for calibrating in-service bridge force- measurement bearing on basis of on accurate determination of coefficient of friction |
| CN113029312A (en) * | 2021-02-26 | 2021-06-25 | 上海兰德公路工程咨询设计有限公司 | Axle load detection method for passing vehicle of bridge based on spherical support |
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|---|---|---|---|---|
| CN2304687Y (en) * | 1996-05-17 | 1999-01-20 | 李连秀 | Cylindrical support |
| CN2415054Y (en) * | 2000-04-26 | 2001-01-17 | 黄茂忠 | Adjustable height steel support for dynamometry |
| CN2485337Y (en) * | 2001-05-17 | 2002-04-10 | 衡水宝力工程橡胶有限公司 | Pillar bridge support against earthquake |
| CN2521249Y (en) * | 2002-02-27 | 2002-11-20 | 黄茂忠 | Double-directional rotary cylindrical bridge bearing |
| CN1920509A (en) * | 2005-08-26 | 2007-02-28 | 徐国彬 | Dynamometric support |
| CN201075044Y (en) * | 2007-10-11 | 2008-06-18 | 李连秀 | Access type pressure transducer |
-
2010
- 2010-11-23 CN CN201010554176A patent/CN102032959B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2304687Y (en) * | 1996-05-17 | 1999-01-20 | 李连秀 | Cylindrical support |
| CN2415054Y (en) * | 2000-04-26 | 2001-01-17 | 黄茂忠 | Adjustable height steel support for dynamometry |
| CN2485337Y (en) * | 2001-05-17 | 2002-04-10 | 衡水宝力工程橡胶有限公司 | Pillar bridge support against earthquake |
| CN2521249Y (en) * | 2002-02-27 | 2002-11-20 | 黄茂忠 | Double-directional rotary cylindrical bridge bearing |
| CN1920509A (en) * | 2005-08-26 | 2007-02-28 | 徐国彬 | Dynamometric support |
| CN201075044Y (en) * | 2007-10-11 | 2008-06-18 | 李连秀 | Access type pressure transducer |
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| CN102032959A (en) | 2011-04-27 |
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Owner name: BEIJING TIEKE SHOUGANG RAIL TECHNOLOGY CO., LTD. Free format text: FORMER NAME: BEIJING RAILWAY SCIENCE SHOUGANG RAILWAY TECHNOLOGY CO., LTD. |
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Address after: 102206 No. 24 South Road, Shahe Town, Changping District, Beijing Patentee after: Beijing Tieke Shougang Track Technology Co., Ltd. Address before: 102206 No. 24 South Road, Shahe Town, Changping District, Beijing Patentee before: Beijing Tieke Shougang Track Technology Co., Ltd. |