CN112880565A - X-X direction displacement measuring device for spherical support - Google Patents
X-X direction displacement measuring device for spherical support Download PDFInfo
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- CN112880565A CN112880565A CN201911199958.7A CN201911199958A CN112880565A CN 112880565 A CN112880565 A CN 112880565A CN 201911199958 A CN201911199958 A CN 201911199958A CN 112880565 A CN112880565 A CN 112880565A
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- displacement
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a device for measuring the displacement of a spherical support in the X-X direction, which comprises the spherical support, wherein the spherical support comprises an upper support plate and a lower support plate, X-direction laser ranging sensors are arranged on two sides of the lower support plate through mounting supports, and the X-direction laser ranging sensors are used for measuring the displacement of the upper support plate relative to the lower support plate. X-X direction displacement between the upper support plate and the lower support plate in the spherical support is detected through the X-direction laser ranging sensor, so that the displacement of the bridge is indirectly measured, early warning is conveniently made when the bridge is greatly displaced due to vehicle overload or extreme weather or other factors, and serious personal injuries and deaths and property loss accidents are avoided.
Description
Technical Field
The invention relates to the technical field of displacement detection of spherical supports, in particular to a device for measuring the displacement of a spherical support in the x-x direction.
Background
The spherical bearing is a novel bridge bearing developed on the basis of a basin-type rubber bearing. The spherical bearing has consistent rotation performance in all directions, is suitable for a curved bridge, a slope bridge, an inclined bridge, a wide bridge and a large-span bridge, has no bearing rubber block, and is particularly suitable for low-temperature areas. The national standard GB/17955-2009 spherical bearing technical conditions, the EN1337 structural bearing standard compiled by the European standardization committee and the British standard BS5400 steel bridges, concrete bridges and combination beams have regulations on spherical bearings.
As shown in figure 1, the spherical support is a special basin-shaped rubber support product consisting of a lower support plate 1, a spherical tetrafluoro plate 2, a sealing skirt 3, a middle support plate 4, a plane tetrafluoro plate 5, an upper slide plate 6, an upper support plate 7 and a rubber retainer ring. The rubber plate in the basin-type support is changed into a spherical tetrafluoro plate, so the name is obtained, and the middle steel plate and the bottom basin of the QZ spherical support are also correspondingly changed into a spherical surface, so the friction coefficient is reduced. The displacement is realized by the sliding between the upper support plate and the planar tetrafluoro plate. The upper support plate is provided with a guide groove or a guide ring to restrict the unidirectional or multidirectional displacement of the support, and can be made into a spherical unidirectional movable support and a fixed support. The requirement of the rotation angle of the support is met through the sliding between the spherical plate and the spherical tetrafluoro plate.
When spherical bearing installed on the bridge, upper bracket board can produce the displacement along with the removal of bridge relatively the bottom suspension fagging, when the bridge took place great slope because vehicle overload or extreme weather or other factors, spherical bearing corner, the displacement volume is too big, the bridge has the danger of overturning, if can incline at the bridge or sideslip the displacement that detects the bridge before the volume reaches the dangerous value bridge and does not overturn, then can effectively avoid appearing great personal injury and death and loss of property accident.
The spherical bearing is subjected to bridge pressure to generate displacement, and the displacement can be generally divided into three directions, namely x-x direction displacement, y-y direction displacement and vertical rotation angle, wherein the x-x direction refers to the direction perpendicular to the extension direction of the bridge, and the y-y direction is parallel to the extension direction of the bridge.
Disclosure of Invention
The invention provides a device for measuring the displacement of a spherical support in the x-x direction, which has the advantages that the device can measure the displacement of the spherical support in the x-x direction, and is convenient for early warning when the bridge has large displacement due to vehicle overload or extreme weather or other factors.
The invention aims to realize the purpose through the following technical scheme that the X-X direction displacement measuring device for the spherical support comprises the spherical support, wherein the spherical support comprises an upper support plate and a lower support plate, mounting supports are arranged on two sides of the lower support plate, X-direction laser distance measuring sensors are arranged on the mounting supports, the X-direction laser distance measuring sensors are as high as the upper support plate, the X-direction laser distance measuring sensors are used for measuring the displacement of the upper support plate relative to the lower support plate, and laser emitted by the X-direction laser distance measuring sensors irradiates the side surface of the upper support plate and is reflected back to the X-direction laser distance measuring sensors.
The invention is further arranged in that Y-direction laser ranging sensors are arranged on the other two sides of the lower support plate, a reflector plate extending downwards is arranged on the corresponding side surface of the upper support plate, the Y-direction laser ranging sensors are used for measuring the displacement of the upper support plate relative to the lower support plate, and laser emitted by the Y-direction laser ranging sensors irradiates the side surface of the reflector plate and is reflected back to the Y-direction laser ranging sensors.
Through the technical scheme, when spherical bearing installed on the bridge, the upper bracket board can be along with the removal of bridge and relative bottom suspension board produces the displacement, when relative displacement takes place between upper bracket board and the bottom suspension board, X is used for measuring upper bracket board X to the displacement to laser range sensor, Y is used for measuring upper bracket board Y to the displacement of laser range sensor, measure the relative displacement of upper bracket board for the bottom suspension board to laser range sensor and Y through X, make early warning in advance when the bridge takes place great displacement because vehicle overload or extreme weather or other factors, avoid taking place great personal injury and death and loss of property accident.
The invention is further arranged in that the mounting bracket comprises a connecting part, an extending part, a lifting part and a mounting part, the connecting part is fixed on the lower support plate, and the X-direction laser ranging sensor is mounted on the mounting part.
Through above-mentioned technical scheme, can install X in the position of ascending a height with the upper bracket board to laser ranging sensor through the installing support, the X of being convenient for to laser ranging sensor sends shines smoothly on the side of upper bracket board, and the length of properly adjusting extension and ascending part can be adjusted X and be in the best position to laser ranging sensor.
The invention is further provided that the connecting part is fixed on the lower support plate by a screw.
Through above-mentioned technical scheme, install the erection support on bottom suspension bedplate through the screw connection, simple to operate.
The invention is further provided that the connecting part is welded to the lower support plate.
Through above-mentioned technical scheme, fix erection support on bottom suspension bedplate through the welding mode, connect firmly.
The invention is further provided that the reflector is fixed on the upper support plate through screws.
Through above-mentioned technical scheme, connect the reflector panel on last bedplate through the screw, simple to operate.
The invention is further provided that the reflector is welded on the upper support plate.
Through above-mentioned technical scheme, fix the reflector panel on bottom suspension bedplate through the welding mode, connect firmly.
The invention is further arranged that the X-direction laser ranging sensor and the Y-direction laser ranging sensor are both laser triangular reflection type displacement sensors.
Through the technical scheme, the laser triangular reflection type displacement sensor measures displacement through the triangulation distance measuring principle, and is high in precision and convenient to debug.
In conclusion, the invention has the advantages that the horizontal displacement between the upper support plate and the lower support plate in the spherical support is detected through the X-direction laser ranging sensor and the Y-direction laser ranging sensor, so that the displacement of the bridge is indirectly detected, early warning is conveniently made when the bridge is greatly displaced due to vehicle overload or extreme weather or other factors, and serious personal injury and death and property loss accidents are avoided.
Drawings
FIG. 1 is a block diagram of a ball mount;
FIG. 2 is an overall schematic view of the spherical mount in the present embodiment;
FIG. 3 is an exploded view of the spherical bearing in this embodiment;
FIG. 4 is a schematic view showing the position of the mounting bracket in the present embodiment;
FIG. 5 is an enlarged partial view showing the structure of the mounting bracket according to the present embodiment;
FIG. 6 is a schematic view showing the installation position of the Y-direction laser ranging sensor in the present embodiment;
FIG. 7 is an enlarged partial view showing the structure of the mounting bracket according to the present embodiment; .
In the figure, 1, a lower support plate; 2. spherical tetrafluoro plates; 3. a sealing skirt; 4. a middle seat plate; 5. a planar tetrafluoro plate; 6. an upper slide plate; 7. an upper support plate; 8. mounting a bracket; 81. a connecting portion; 82. an extension portion; 83. a rising part; 84. an installation part; 9. an X-direction laser ranging sensor; 10. a reflector; 11. y is to laser rangefinder sensor.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
Example (b): referring to fig. 2 to 7, a device for measuring displacement of a spherical support in X-X direction, which includes a spherical support, is specifically illustrated in this embodiment by a bidirectional sliding spherical support with a vertical bearing capacity of 4000KN, a transverse displacement ex = +/-40mm along a bridge, and a longitudinal displacement ey = +/-200mm along the bridge, where the X-X direction is a transverse direction of the bridge, the Y-Y direction is a longitudinal direction of the bridge, and the designed displacement of the spherical support is ex = +/-40mm and ey = +/-200mm, respectively.
Spherical support includes upper bracket board 7 and lower support plate 1, the both sides of lower support plate 1 are equipped with installing support 8, be equipped with X on the installing support 8 to laser ranging sensor 9, X is equal high to laser ranging sensor 9 and upper bracket board 7, X is used for measuring the displacement of upper bracket board 7 for lower support plate 1 to laser ranging sensor 9, X shines the side of upper bracket board 7 and reflects back to X to laser ranging sensor 9 to the laser that laser ranging sensor 9 sent.
The mounting bracket 8 includes a connecting portion 81, an extending portion 82, a rising portion 83, and a mounting portion 84, the connecting portion 81 is perpendicular to the extending portion 82, the extending portion 82 is perpendicular to the rising portion 83, the rising portion 83 is perpendicular to the mounting portion 84, the connecting portion 81, the extending portion 82, the rising portion 83, and the mounting portion 84 are formed by bending a complete steel material, and in order to reduce vibration, the connecting portion 81, the extending portion 82, the rising portion 83, and the mounting portion 84 may be made of a steel material having a relatively high rigidity. The connecting portion 81 is fixed to the lower bracket plate 1, and the X-direction laser range sensor 9 is attached to the attaching portion 84. The X-direction laser ranging sensor 9 can be installed at a position ascending to the upper support plate 7 through the installation support 8, so that laser emitted by the X-direction laser ranging sensor 9 can be conveniently and smoothly irradiated on the side face of the upper support plate 7, and the X-direction laser ranging sensor 9 can be adjusted to be located at the optimal position by properly adjusting the lengths of the extension part 82 and the lifting part 83. The connecting portion 81 is fixed on the lower support plate 1 by screws, and the mounting support is mounted on the lower support plate 1 by screws, so that the mounting is convenient. In other embodiments of the present invention, the connection portion 81 is welded to the lower support plate 1, and the mounting support is fixed to the lower support plate 1 by welding, so that the connection is stable.
The other two sides of lower support plate 1 are equipped with Y to laser rangefinder sensor 11, and the corresponding side of upper bracket board 7 is equipped with reflector panel 10 that extends downwards, and Y is used for measuring upper bracket board 7 for the displacement of lower support plate 1 to laser rangefinder sensor 11, and the laser that Y sent to laser rangefinder sensor 11 shines the side of reflector panel 10 and reflects back to Y to laser rangefinder sensor 11. The reflector 10 is fixed on the upper support plate 7 through screws, and the reflector 10 is connected on the upper support plate 7 through screws, so that the installation is convenient. In other embodiments of the present invention, the reflector 10 is welded to the upper support plate 7, and the reflector 10 is fixed to the lower support plate 1 by welding, so that the connection is stable.
The X-direction laser ranging sensor 9 and the Y-direction laser ranging sensor 11 are laser triangular reflection type displacement sensors, and the laser triangular reflection type displacement sensors measure displacement according to the triangulation distance measuring principle, so that the precision is high, and the debugging is convenient.
The principle of laser triangular reflection type measurement is that a laser beam emitted by a laser diode is irradiated to the surface of a measured object, reflected light passes through a group of lenses and is projected onto a photosensitive element matrix, the photosensitive element can be a CCD/CMOS or PSD element, and the intensity of the reflected light depends on the surface characteristics of the measured object. The distance from the sensor probe to the measured object can be accurately obtained by a trigonometric calculation method, and micron-sized resolution can be obtained by adopting the method.
The laser triangular reflection type displacement sensor is projected to a measured object to form a visible light spot, and the sensor can be very simply and conveniently installed and debugged through the visible light spot. In addition, the laser triangular reflection type measuring method has the advantages that: (1) a smaller measurement spot; (2) allowing for greater installation distances; (3) a large measuring range; (4) almost any material of the object to be measured can be measured.
When spherical bearing installed on the bridge, upper bracket board 7 can be along with the removal of bridge and relative bottom suspension bedplate 1 produces the displacement, when taking place relative displacement between upper bracket board 7 and the bottom suspension bedplate 1, X is used for measuring the displacement of upper bracket board 7X to laser range sensor 9, Y is used for measuring the displacement of upper bracket board 7Y to laser range sensor 11, measure the relative displacement of upper bracket board 7 for bottom suspension bedplate 1 to laser range sensor 11 through X to laser range sensor 9 and Y, make early warning in advance when the bridge takes place great displacement because vehicle overload or extreme weather or other factors, avoid taking place great personal injury and death and loss of property accident.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (8)
1. The utility model provides a spherical support X-X direction displacement measurement device, a serial communication port, including spherical support, spherical support includes upper bracket board (7) and bottom suspension bedplate (1), the both sides of bottom suspension bedplate (1) are equipped with installing support (8), be equipped with X on installing support (8) to laser range sensor (9), X is equal height to laser range sensor (9) and upper bracket board (7), X is used for measuring the displacement of upper bracket board (7) for bottom suspension bedplate (1) to laser range sensor (9), X shines the side of upper bracket board (7) and reflects back to X to laser range sensor (9) to the laser that laser range sensor (9) sent.
2. The x-x displacement measuring device of the spherical bearing according to claim 1, wherein the other two sides of the lower bearing plate (1) are provided with Y-direction laser distance measuring sensors (11), the corresponding side surfaces of the upper bearing plate (7) are provided with downwardly extending light reflecting plates (10), the Y-direction laser distance measuring sensors (11) are used for measuring the displacement of the upper bearing plate (7) relative to the lower bearing plate (1), and the laser emitted by the Y-direction laser distance measuring sensors (11) irradiates the side surfaces of the light reflecting plates (10) and is reflected back to the Y-direction laser distance measuring sensors (11).
3. The X-X displacement measuring device of the spherical bearing according to claim 2, characterized in that the mounting bracket (8) comprises a connecting part (81), an extending part (82), a rising part (83) and a mounting part (84), the connecting part (81) is fixed on the lower bearing plate (1), and the X-direction laser distance measuring sensor (9) is mounted on the mounting part (84).
4. A ball bearing x-x displacement measuring device according to claim 3, characterized in that the connecting part (81) is fixed to the lower bearing plate (1) by means of screws.
5. A ball bearing x-x displacement measuring device according to claim 3, characterized in that the connecting part (81) is welded to the lower bearing plate (1).
6. The x-x displacement measuring device of the spherical bearing according to claim 2, characterized in that the reflector plate (10) is fixed on the upper support plate (7) by screws.
7. X-x displacement measuring device of spherical bearing according to claim 2, characterized in that the reflector plate (10) is welded on the upper bearing plate (7).
8. The device for measuring the X-X displacement of the spherical support according to any one of claims 2 to 7, wherein the X-direction laser ranging sensor (9) and the Y-direction laser ranging sensor (11) are both laser triangular reflection type displacement sensors.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911199958.7A CN112880565A (en) | 2019-11-29 | 2019-11-29 | X-X direction displacement measuring device for spherical support |
| PCT/CN2020/100553 WO2021103544A1 (en) | 2019-11-29 | 2020-07-07 | Device for measuring displacement of spherical bearing in x-x direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911199958.7A CN112880565A (en) | 2019-11-29 | 2019-11-29 | X-X direction displacement measuring device for spherical support |
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| Publication Number | Publication Date |
|---|---|
| CN112880565A true CN112880565A (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911199958.7A Pending CN112880565A (en) | 2019-11-29 | 2019-11-29 | X-X direction displacement measuring device for spherical support |
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| Country | Link |
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| CN (1) | CN112880565A (en) |
| WO (1) | WO2021103544A1 (en) |
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| CN114543682B (en) * | 2022-02-24 | 2022-09-27 | 北京工业大学 | Micro-motion displacement measuring device and method in crimping type IGBT power cycle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006317434A (en) * | 2005-04-15 | 2006-11-24 | Nsk Ltd | Apparatus for measuring displacement and load of rolling bearing unit |
| CN207231440U (en) * | 2017-10-12 | 2018-04-13 | 湖南联智桥隧技术有限公司 | A kind of bridge pad monitoring device |
| CN208952900U (en) * | 2018-11-01 | 2019-06-07 | 上海铂珏传感科技有限公司 | A kind of bridge pad displacement sensor based on fiber grating sensing technology |
| CN110186583B (en) * | 2019-06-13 | 2020-07-14 | 南京航空航天大学 | Method for measuring temperature of ceramic matrix composite high-temperature component based on electrical impedance imaging |
| CN110438891B (en) * | 2019-07-15 | 2024-04-02 | 广州大学 | Friction pendulum support with displacement measurement and monitoring functions |
| CN210657968U (en) * | 2019-07-15 | 2020-06-02 | 广州大学 | Friction pendulum support with displacement measurement and monitoring functions |
| CN210862546U (en) * | 2019-11-29 | 2020-06-26 | 南京毛勒工程材料有限公司 | Y-y direction displacement measuring device for spherical support |
| CN210862547U (en) * | 2019-11-29 | 2020-06-26 | 南京毛勒工程材料有限公司 | X-X direction displacement measuring device for spherical support |
-
2019
- 2019-11-29 CN CN201911199958.7A patent/CN112880565A/en active Pending
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2020
- 2020-07-07 WO PCT/CN2020/100553 patent/WO2021103544A1/en active Application Filing
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| WO2021103544A1 (en) | 2021-06-03 |
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Application publication date: 20210601 |
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