CN111827103A - Basin type support for bridge monitoring - Google Patents
Basin type support for bridge monitoring Download PDFInfo
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- CN111827103A CN111827103A CN202010850925.0A CN202010850925A CN111827103A CN 111827103 A CN111827103 A CN 111827103A CN 202010850925 A CN202010850925 A CN 202010850925A CN 111827103 A CN111827103 A CN 111827103A
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- basin
- ring
- support
- plate
- bridge
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 238000006073 displacement reaction Methods 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims description 12
- 241000446313 Lamella Species 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 230000036541 health Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Images
Classifications
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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
- E01D19/047—Pot bearings
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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
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a basin-type support for bridge monitoring, which is used for solving the problem that the stress condition and the displacement condition of the support cannot be intuitively monitored when the basin-type support is abnormal in the working process, thereby being not capable of judging the operation state of the upper structure of the bridge and being not beneficial to monitoring and evaluating the health condition of the bridge structure in time, the support shown in the invention is a multi-directional support, the matching mode of the limiting directions of the middle plate and the upper support plate is only changed for the unidirectional support and the fixed support, the fixed support has no sliding surface, the middle plate and the upper support plate are integrated, the limiting direction of the unidirectional upper support plate is provided with a baffle strip, the side surface of the basin ring is provided with a contact guide surface, the matching structures of the support lower support plate and the basin ring are the same, the mounting interfaces of the pier tops are the same, so that the support is convenient to produce and process, the mutual universality of parts is ensured, and the manufacturing cost is saved.
Description
Technical Field
The invention belongs to the technical field of bridge monitoring; relating to the basin type support technology; in particular to a basin-type support for monitoring a bridge.
Background
The bridge beam supports are important structural parts for connecting the upper structure and the lower structure of the bridge, and can reliably transmit the counter force and the deformation (displacement and corner) of the upper structure of the bridge to the lower structure of the bridge, wherein the basin-shaped supports have the advantages of large bearing capacity, large displacement, flexible corner, consistent rotation performance in all directions and wide temperature application range, thereby being widely applied to municipal administration, roads and railway bridges, and the existing basin-shaped supports have the following problems: the device has no force measuring function, cannot monitor the stress condition of the support and read the vertical bearing capacity of the support in the using process, cannot accurately know the internal force distribution condition of each section of the structure, cannot verify the reliability of the bridge design theory and the rationality of the design method, and brings great inconvenience to the maintenance and structure monitoring of the support; when the basin-type support is abnormal in the operation process, the stress condition of the support cannot be visually monitored, so that the operation state of the upper structure of the bridge cannot be judged, and the health condition of the bridge structure cannot be timely monitored and evaluated.
Disclosure of Invention
The invention aims to provide a basin-type support for bridge monitoring. The method is used for solving the problems that when the basin-type support is abnormal in the working process, the stress condition and the displacement condition of the support cannot be visually monitored, so that the operation state of the bridge superstructure cannot be judged, and the health condition of the bridge structure cannot be timely monitored and evaluated.
The purpose of the invention can be realized by the following technical scheme:
a basin-type support for bridge monitoring comprises an upper support plate and a lower support plate, wherein an annular groove is formed in the lower support plate, a basin ring is installed in the annular groove, an annular groove is formed in the basin ring, a middle plate is installed in the annular groove, a rubber plate is installed at the upper end of the basin ring, the rubber plate is arranged between the basin ring and the middle plate, a limiting ring is arranged at the edge of the upper end face of the rubber plate, the limiting ring is installed on the inner wall of the annular groove of the basin ring, a planar sliding plate and a sealing ring are installed on the upper end face of the middle plate, a sealing ring installation groove is formed in the upper end face of the middle plate, the sealing ring is installed in the sealing ring installation groove, the sealing ring is wrapped on the periphery of the planar sliding plate, and an upper support plate is;
a waist hole is formed in the center of the basin ring, and a vertical guide plate is arranged in the waist hole;
the bottom of basin ring is seted up there is the horizontal guide mounting groove, install horizontal guide in the horizontal guide mounting groove, horizontal guide and vertical baffle clearance fit.
Furthermore, the top of the vertical guide plate is in contact with the bottom of the rubber plate, and the bottom of the rubber plate is provided with an inclined plane matched with the vertical guide plate.
Further, the basin ring notch has been seted up to the bottom plate, the bottom of basin ring is seted up flutedly, the basin ring notch aligns with the recess, install displacement light sense ware in the basin ring notch, the displacement light sense ware passes through the bolt fastening on the bottom plate, displacement light sense ware one end and spring contact, the displacement light sense ware other end passes the basin ring notch.
Further, vertical baffle is clearance fit with the waist hole, horizontal baffle is clearance fit with the horizontal baffle mounting groove of offering from the outer lane to inside of the bottom of basin ring.
Further, a tension displacement sensor and a tilt sensor are fixed to the lower support plate.
Compared with the prior art, the invention has the beneficial effects that:
1. the vertical guide plate and the horizontal guide plate are arranged, so that the rubber plate is extruded to generate displacement after being loaded, the vertical guide plate and the horizontal guide plate are converted into horizontal displacement, the vertical load of the support is monitored by measuring the displacement of the horizontal guide plate, the problems that a force measuring sensor is not enough to be installed on the vertical height of the support, and the measurement precision is poor are solved, and the measurement precision is improved by converting and amplifying the displacement; through the installed stretching displacement measuring sensor and the installed inclination angle sensor, the support can monitor stretching change and inclination angle change, and the running state of the bridge support can be monitored in multiple directions.
2. This basin formula support for bridge monitoring passes through the bridge and transmits the load to the upper bracket board on, the upper bracket board passes through the plane slide with the load and transmits to the intermediate lamella on, the intermediate lamella passes through the rubber slab with the load and transmits to basin ring and lower support plate on, the rubber slab loaded effect produces elastic deformation, the top of rubber slab extrusion vertical baffle makes it reciprocate, the bottom of vertical baffle sets up the inclined plane and cooperatees with the inclined plane of horizontal baffle, convert the local displacement of the load deformation of rubber slab into the horizontal displacement of horizontal baffle, secondly, through its displacement light sense ware monitoring displacement volume of high accuracy, displacement signal passes through the signal of telecommunication change transmission to data collection station, the rethread wired or wireless network with data transfer to data processing terminal monitoring bridge atress condition.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a structure of a basin-type bridge monitoring support;
FIG. 2 is a schematic view of a construction of a basin-type support load cell for bridge monitoring;
FIG. 3 is a schematic structural diagram of a basin ring of a basin-type support for bridge monitoring;
fig. 4 is a schematic top view of a basin-type support for bridge monitoring.
In the figure: 1. a lower support plate; 2. a middle plate; 3. an upper support plate; 4. a rubber plate; 401. a limiting ring; 5. A seal ring; 6. a planar slide plate; 7. a vertical guide plate; 8. a horizontal guide plate; 9. a basin ring; 10. a displacement light sensor; 11. a spring; 12. a bolt; 13. a tension-displacement sensor; 14. a tilt sensor; 15. a waist hole; 16. a basin ring notch; 17. and (4) a groove.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, a basin-type support for bridge monitoring comprises an upper support plate 3 and a lower support plate 1, wherein an annular groove is formed in the lower support plate 1, a basin ring 9 is installed in the annular groove, an annular groove is formed in the basin ring 9, a middle plate 2 is installed in the annular groove, a rubber plate 4 is installed at the upper end of the basin ring 9, the rubber plate 4 is clamped between the basin ring 9 and the middle plate 2, a limit ring 401 is arranged at the edge of the rubber plate 4, the limit ring 401 is installed on the inner wall of the annular groove of the basin ring 9, a plane sliding plate 6 and a sealing ring 5 are installed at the upper end of the middle plate 2, the sealing ring 5 is located at the periphery of the plane sliding plate 6, and the upper support plate 3 is; the middle plate 2, the basin ring 9 and the rubber plate 4 realize rotation through elastic deformation, and the planar sliding plate 6 and the upper support plate 3 form a planar sliding pair;
a through waist hole 15 is formed in the center of the basin ring 9, and a vertical guide plate 7 is arranged in the waist hole 15;
horizontal guide plate mounting grooves are formed in the bottom of the basin ring 9 from the outer ring to the inside, horizontal guide plates 8 are mounted in the horizontal guide plate mounting grooves, and the horizontal guide plates 8 are in clearance fit with the vertical guide plates 7.
The top of vertical baffle 7 and the bottom contact of rubber slab 4, the bottom of rubber slab 4 sets up the inclined plane and cooperates with the inclined plane of horizontal baffle 8, and inclined plane contained angle a is 30 to 80.
The lower support plate 1 is provided with a basin ring notch 16, the bottom of the basin ring 9 is provided with a groove 17, the basin ring notch 16 is aligned with the groove 17, the basin ring notch 16 passes through a displacement light sensor 10, the displacement light sensor 10 is fixed on the lower support plate 1 through a bolt 12, one end of the displacement light sensor 10 is contacted with a spring 11, the other end of the displacement light sensor 10 passes through the basin ring notch 16, the displacement light sensor 10 is fixed on the top surface of a horizontal guide plate 8 through the bolt 12 and is fixed along the deformation direction of the horizontal guide plate 8, the front end of the displacement light sensor 10 is provided with the spring 11 which is pre-pressed on a convex cylinder behind the horizontal limit plate to provide thrust for the horizontal guide plate 8 and a vertical guide plate 7, and when the support force is changed, the horizontal guide, the displacement is monitored by the high-precision displacement optical sensor 10, displacement signals are transmitted to the data acquisition unit through electric signal changes, and data are transmitted to the data processing terminal through a wired or wireless network to monitor the stress condition of the bridge.
The vertical guide plate 7 is in clearance fit with a waist through hole 15 in the center of the basin ring 9, and the horizontal guide plate 8 is in clearance fit with a horizontal guide plate mounting groove formed in the bottom of the basin ring 9 from the outer ring to the inside.
A tension displacement sensor 13 and a tilt sensor 14 are fixed to the lower mount plate 1.
The support disclosed by the invention is a multidirectional support, the matching mode of the limiting directions of the middle plate 2 and the upper support plate 3 is only changed for the unidirectional support and the fixed support, the fixed support has no sliding surface, the middle plate 2 and the upper support plate 3 are integrated, the limiting direction of the unidirectional upper support plate 3 is provided with a stop strip, the side surface of the basin ring 9 is provided with a contact guide surface, the matching structures of the support lower support plate 1 and the basin ring 9 are the same, the mounting interfaces of the pier tops are the same, the support is convenient to produce and process, the mutual universality of parts is ensured, and the manufacturing cost is saved.
The stretching displacement sensor 13 is a WSF21 sensor, the inclination sensor 14 is a HCA528T sensor, and the displacement light sensor 10 is an SDVH20 rebound LVDT position sensor.
The invention is implemented specifically as follows: this basin formula support for bridge monitoring passes through the bridge and transmits load to last bedplate 3, upper bracket board 3 passes through plane slide 6 with the load and transmits to intermediate lamella 2 on, intermediate lamella 2 passes through rubber slab 4 with the load and transmits to basin ring 9 and lower support plate 1 on, rubber slab 4 produces elastic deformation under the load effect, rubber slab 4 extrudes the top of vertical baffle 7 and makes it reciprocate, the bottom of vertical baffle 7 sets up the inclined plane and cooperatees with the inclined plane of horizontal baffle 8, convert the local displacement of the load deformation of rubber slab 4 into the horizontal displacement of horizontal baffle 8, secondly monitor its displacement volume through displacement light sensor 10 of high accuracy, the displacement signal passes through the signal of telecommunication change and transmits to data acquisition unit, rethread wired or wireless network sends data transfer to data processing terminal monitoring bridge atress condition.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a basin formula support for bridge monitoring, includes upper bracket board (3) and bottom suspension bedplate (1), its characterized in that, set up the ring channel on bottom suspension bedplate (1), install basin ring (9) in the ring channel, the annular groove has been seted up to the inside of basin ring (9), install intermediate lamella (2) in the annular groove, rubber slab (4) are installed to basin ring (9) upper end, rubber slab (4) set up in the centre of basin ring (9) and intermediate lamella (2), the up end edge of rubber slab (4) is equipped with spacing ring (401), spacing ring (401) are installed on the annular groove inner wall of basin ring (9), planar sliding plate (6) and sealing washer (5) are installed to the up end of intermediate lamella (2), the sealing washer mounting groove has been seted up to the up end of intermediate lamella (2), sealing washer (5) are installed in the sealing washer mounting groove, the sealing ring (5) is wrapped on the periphery of the plane sliding plate (6), and the upper end of the plane sliding plate (6) is provided with the upper support plate (3);
a waist hole (15) is formed in the center of the basin ring (9), and a vertical guide plate (7) is arranged in the waist hole (15);
the bottom of basin ring (9) is seted up there is the horizontal guide mounting groove, install horizontal guide (8) in the horizontal guide mounting groove, horizontal guide (8) and vertical baffle (7) clearance fit.
2. The basin-shaped bridge support for monitoring according to claim 1, wherein the top of the vertical guide plate (7) is in contact with the bottom of the rubber plate (4), and the bottom of the rubber plate (4) is provided with an inclined surface which is matched with the vertical guide plate (7).
3. The basin-shaped support for bridge monitoring as claimed in claim 1, wherein the lower support plate (1) is provided with a basin ring notch (16), the bottom of the basin ring (9) is provided with a groove (17), the basin ring notch (16) is aligned with the groove (17), a displacement light sensor (10) is installed in the basin ring notch (16), the displacement light sensor (10) is fixed on the lower support plate (1) through a bolt (12), one end of the displacement light sensor (10) is in contact with a spring (11), and the other end of the displacement light sensor (10) passes through the basin ring notch (16).
4. The basin-shaped support for bridge monitoring as recited in claim 1, characterized in that the vertical guide plate (7) is in clearance fit with the waist hole (15), and the horizontal guide plate (8) is in clearance fit with a horizontal guide plate installation groove formed from the outer ring to the inner part at the bottom of the basin ring (9).
5. The pot bearing for bridge monitoring according to claim 1, wherein a tension displacement sensor (13) and an inclination sensor (14) are fixed on the lower bearing plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010850925.0A CN111827103A (en) | 2020-08-21 | 2020-08-21 | Basin type support for bridge monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010850925.0A CN111827103A (en) | 2020-08-21 | 2020-08-21 | Basin type support for bridge monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111827103A true CN111827103A (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010850925.0A Pending CN111827103A (en) | 2020-08-21 | 2020-08-21 | Basin type support for bridge monitoring |
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| Country | Link |
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| CN (1) | CN111827103A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729635A (en) * | 2021-02-20 | 2021-04-30 | 河北省建筑科学研究院有限公司 | Computer-based real-time monitoring method for stress state of steel-concrete composite beam |
| CN114481826A (en) * | 2022-03-23 | 2022-05-13 | 苏交科集团股份有限公司 | Basin type support for bridge monitoring |
-
2020
- 2020-08-21 CN CN202010850925.0A patent/CN111827103A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729635A (en) * | 2021-02-20 | 2021-04-30 | 河北省建筑科学研究院有限公司 | Computer-based real-time monitoring method for stress state of steel-concrete composite beam |
| CN112729635B (en) * | 2021-02-20 | 2022-04-15 | 河北省建筑科学研究院有限公司 | Computer-based support and monitoring method for monitoring stress state of steel-concrete composite beam in real time |
| CN114481826A (en) * | 2022-03-23 | 2022-05-13 | 苏交科集团股份有限公司 | Basin type support for bridge monitoring |
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