CN109632153A - A kind of vibration isolator rubber bearing vertical load and the method for real-timely testing of horizontal displacement - Google Patents
A kind of vibration isolator rubber bearing vertical load and the method for real-timely testing of horizontal displacement Download PDFInfo
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- CN109632153A CN109632153A CN201910098679.5A CN201910098679A CN109632153A CN 109632153 A CN109632153 A CN 109632153A CN 201910098679 A CN201910098679 A CN 201910098679A CN 109632153 A CN109632153 A CN 109632153A
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- vibration isolator
- rubber bearing
- horizontal displacement
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- core body
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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
- G01L1/02—Measuring force or stress, in general by hydraulic or pneumatic means
-
- 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
- E01D19/041—Elastomeric bearings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/022—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising laminated structures of alternating elastomeric and rigid layers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of vibration isolator rubber bearing vertical load and the method for real-timely testing of horizontal displacement.The present invention demarcates relation equation by the value and vibration isolator rubber bearing vertical load of the compressed stress of multiple oil filling core body pressure sensors, the building of horizontal displacement size and Orientation, resolve the vertical load and horizontal displacement of vibration isolator rubber bearing, there is good linear relationship, is able to achieve stable and accurate measurement；Using the oil filling core body pressure sensor inside embeddable vibration isolator rubber bearing, the influence of earthquake or exceedingly odious weather to test device is eliminated；Anti- shearing access is processed in vibration isolator rubber bearing interior design, protection signal transmission conducting wire is not damaged when horizontal distortion occurs for support；Realize the real-time monitoring to vibration isolator rubber bearing vertical load and horizontal displacement, and being capable of multiple vibration isolator rubber bearing networking monitorings.
Description
Technical field
The present invention relates to vibration isolator rubber bearing detection techniques, and in particular to a kind of vibration isolator rubber bearing vertical load and level
The method for real-timely testing of displacement.
Background technique
In architectural vibration-insulation field, vibration isolator rubber bearing has very extensive application, and when earthquake occurs, support generates horizontal position
It moves to reduce influence of the earthquake to building, plays cushioning effect, therefore the health monitoring of vibration isolator rubber bearing is extremely important.Mesh
The monitoring of preceding vibration isolator rubber bearing mostly uses the mode of artificial regular visit, judges whether support is damaged from appearance.But this
Kind method is difficult to measure the size that vibration isolator rubber bearing bears vertical load, and vibration isolator rubber bearing generates under earthquake effect
Horizontal displacement restore to the original state after earthquake, detect again at this time and be difficult to obtain vibration isolator rubber bearing and generated in seismic process
Horizontal displacement size.Therefore such monitoring means low efficiency, error are big, and be difficult to find inside support there are the problem of,
There are biggish hidden danger.Variation and horizontal displacement in view of vibration isolator rubber bearing vertical load in seismic process not only can be anti-
It reflects health status of the support after earthquake and the intensity of earthquake can be recorded to a certain extent, can be used for building peace
Full real-time monitoring, therefore seem significant for the real-time measurement of vibration isolator rubber bearing vertical load and horizontal displacement.But
Suitable technology there is no to carry out real-time testing to the vertical load of vibration isolator rubber bearing and horizontal displacement at present.
Summary of the invention
For the above problems of the prior art, the invention proposes a kind of realities of vibration isolator rubber bearing horizontal displacement
When test method, solve the problems, such as that vibration isolator rubber bearing vertical load and horizontal displacement are difficult to real-time measurement.
The method for real-timely testing of vibration isolator rubber bearing horizontal displacement of the invention, comprising the following steps:
1) oil filling core body pressure sensor is provided；
2) n biography is opened up in the steel plate or lower support plate for being located at the sheet rubber lower surface to be measured of vibration isolator rubber bearing
Sensor placed hole, the natural number that n is >=3；
3) anti-shearing access is opened up in the steel plate or lower connecting plate for having opened up sensor placed hole, it is anti-to shear the one of access
End is connected to sensor placed hole, and the other end is connected to the edge of vibration isolator rubber bearing；
4) n oil filling core body pressure sensor is embedded in corresponding sensor placed hole；
5) sheet rubber to be measured is covered on to the upper surface of oil filling core body pressure sensor, by multi-disc sheet rubber and multi-disc
Steel plate, which is superimposed with each other to place, constitutes laminated construction, and opens a through-hole at center, and laminated construction is fixed on upper junction plate and lower connection
Between plate, vibration isolator rubber bearing is constituted；
6) another by anti-shearing access by the pin of one end connection oil filling core body pressure sensor of signal transmission wire
End is connected to signal processing circuit；
7) signal processing circuit is connected to terminal, and terminal passes through network connection cloud；
8) to the size and Orientation and oil filling core body pressure sensor of the vertical load of vibration isolator rubber bearing, horizontal displacement
Compressed stress value carries out data scaling, obtains one group of calibration relation equation；
9) compressed stress of the sheet rubber in corresponding position in n oil filling core body pressure sensor acquisition vibration isolator rubber bearing
Signal is transmitted to signal processing circuit；
10) after signal processing circuit carries out signal processing, it is transmitted to computer；
11) computer obtains compressed stress value, i-th of oil filling core body pressure sensor according to compressed stress signal
Compressed stress value Pi, i=1 ... ..., n；
12) according to calibration relation equation obtain the vertical load of one group and vibration isolator rubber bearing, the size of horizontal displacement and
The equation group of directional correlation, solve system of equation obtain the vertical load P of vibration isolator rubber bearing, the size X of horizontal displacement and direction
θ；
13) cloud is transmitted the result to, so that the information networking of multiple vibration isolator rubber bearings is analyzed, carries out data sharing.
In step 1), oil filling core body pressure sensor is provided the following steps are included:
A) pressure-sensing device is placed in the cavity, and insulating liquid is full of in cavity；
B) pin of cavity is stretched out in the bottom wall setting of cavity；
C) in the lateral wall fit sealing circle of cavity；
D) diaphragm is covered on the top of cavity；
E) pressure ring is fixedly installed on diaphragm；
F) material with the first buffer layer of mobility is filled in pressure ring, is then removed bubble removing, is formed after cured
With elastic first buffer layer, the thickness of first buffer layer is no more than the height of pressure ring；
G) material with the second buffer layer of mobility is coated in first buffer layer, formed has elasticity after cured
With the second buffer layer of hardness；
H) pin of the electrode of pressure-sensing device and cavity is connected.
In step 8), to the vertical load of vibration isolator rubber bearing, horizontal displacement size and Orientation and oil filling core body pressure
Sensor test value is demarcated, comprising the following steps:
A) determining vertical load and horizontal displacement, the i.e. direction of horizontal displacement and size have been applied to vibration isolator rubber bearing
Know；
B) n oil filling core body pressure sensor acquires compressed stress signal, is transmitted to signal processing circuit；
C) after signal processing circuit carries out signal processing, it is transmitted to computer；
D) computer obtains the compressed stress value of i-th of oil filling core body pressure sensor according to compressed stress signalI=1 ..., n；
E) size and Orientation for changing the vertical load, horizontal displacement that apply, repeats step a)~d), it is vertical to obtain multiple groups
The data of load and horizontal displacement and compressed stress；
F) according to the data of multiple groups and compressed stress, fitting obtains one group of calibration relation equation, wherein i-th of oil-filled core
The calibration relation equation of pressure sensor is Pi=fi(P, θ, X)=(aiPcosθ+biPsinθ+cicosθ+disinθ)X+
kiP, i=1 ... ..., n, the size that wherein P is vertical load, X is horizontal displacement, θ are the direction of horizontal displacement, ai、bi、ci、di
And kiFor calibration coefficient.
Vibration isolator rubber bearing includes upper junction plate, sheet rubber, steel plate and lower connecting plate；Wherein, multi-disc sheet rubber and multi-disc
The steel plate placement that is superimposed with each other constitutes laminated construction, and a through-hole is opened at center, laminated construction be fixed on upper junction plate and lower connecting plate it
Between.
The real-time testing system of vibration isolator rubber bearing vertical load and horizontal displacement of the invention includes: three or more oil-filled
Core pressure sensor, anti-shearing access, signal transmission wire, signal processing circuit, terminal and cloud；Wherein, it fills
Wick pressure sensor include cavity, pressure-sensing device, diaphragm, insulating liquid, sealing ring, pressure ring, first buffer layer and
Second buffer layer, pressure-sensing device are placed in the cavity, and insulating liquid is full of in cavity, and the top of cavity covers diaphragm,
Sealing ring is arranged in the lateral wall of cavity, and pressure ring is fixedly installed on diaphragm, first buffer layer, first buffer layer are filled in pressure ring
Using having good mobility before solidification, the thickness of flexible material after solidification, first buffer layer is no more than pressure ring
Highly, second buffer layer is covered in first buffer layer, second buffer layer has good mobility using solidification is preceding, after solidification
Flexible material, and the hardness of second buffer layer be greater than first buffer layer hardness, the electrode of pressure-sensing device with
The pin of cavity is connected；It is opened in the steel plate or lower connecting plate of sheet rubber lower surface to be measured for being located at vibration isolator rubber bearing
Equipped with n sensor placed hole,；Oil filling core body pressure sensor is embedded in corresponding sensor placed hole；Oil filling core body pressure
It is close to measured sheet rubber lower surface in the upper surface of sensor；Steel plate or lower connection in setting oil filling core body pressure sensor
Anti- shearing access is offered in plate；The pin of one end connection oil filling core body pressure sensor of signal transmission wire, is cut by anti-
It cuts through the road other end and is connected to signal processing circuit；Signal processing circuit is connected to terminal；Terminal passes through net
Network connects cloud.The material of first buffer layer uses Silica hydrogel；Second buffer layer uses silicon rubber, wherein the nature that n is >=3
Number.
Advantages of the present invention:
The present invention is perpendicular by the value and vibration isolator rubber bearing of the compressed stress of three or more oil filling core body pressure sensors
To load, horizontal displacement size and Orientation building calibration relation equation, the vertical load and horizontal position of vibration isolator rubber bearing are resolved
It moves, has good linear relationship, be able to achieve stable and accurate measurement；Using the oil filling core body inside embeddable vibration isolator rubber bearing
Pressure sensor eliminates the influence of earthquake or exceedingly odious weather to test device；It is processed in vibration isolator rubber bearing interior design
Anti- shearing access, protection signal transmission conducting wire are not damaged when horizontal distortion occurs for support；It realizes perpendicular to vibration isolator rubber bearing
To the real-time monitoring of load and horizontal displacement, and being capable of multiple vibration isolator rubber bearing networking monitorings.
Detailed description of the invention
Fig. 1 is vibration isolator rubber bearing axial compression in the method for real-timely testing of vibration isolator rubber bearing horizontal displacement of the invention
With structural schematic diagram when occurring horizontal displacement, wherein it is P that the schematic diagram of (a) only axial compression, which is (b) axial compression, simultaneously
Structural schematic diagram when horizontal displacement X occurs；
Fig. 2 is the oil filling core body pressure sensor of the method for real-timely testing of vibration isolator rubber bearing horizontal displacement of the invention
The distribution schematic diagram of one embodiment；
Fig. 3 be the method for real-timely testing of vibration isolator rubber bearing vertical load according to the present invention and horizontal displacement obtain
When horizontal displacement X=0, a certain test point compressed stress P in sheet rubber1With the pass of vertical load P suffered by vibration isolator rubber bearing
It is curve graph；
Fig. 4 be the method for real-timely testing of vibration isolator rubber bearing vertical load according to the present invention and horizontal displacement obtain
Under a certain fixed vertical load, the compressed stress value P of one test point of sheet rubber1With the horizontal displacement X of vibration isolator rubber bearing
Graph of relation；
Fig. 5 is the overall signal of one embodiment of the real-time testing system of vibration isolator rubber bearing horizontal displacement of the invention
Figure；
Fig. 6 is the oil filling core body of one embodiment of the real-time testing system of vibration isolator rubber bearing horizontal displacement of the invention
The partial enlarged view of pressure sensor.
Specific embodiment
With reference to the accompanying drawing, by specific embodiment, the present invention is further explained.
In the present embodiment, using three oil filling core body pressure sensors.
As shown in Fig. 1 (a), vibration isolator rubber bearing only axial compression when, the compressed stress of vibration isolator rubber bearing is annular in shape
Distribution, it is identical as the equal point compressed stress of rubber support centre distance.Shown in Fig. 1 (b), vibration isolator rubber bearing axial compression
For P, while when horizontal displacement X occurs, the compressed stress in vibration isolator rubber bearing occurs when being distributed compared to only axial compression
Variation, along the horizontal displacement direction of vibration isolator rubber bearing, side compressed stress becomes larger, and other side compressed stress becomes smaller.
The method for real-timely testing of the vibration isolator rubber bearing horizontal displacement of the present embodiment, comprising the following steps:
1) oil filling core body pressure sensor is provided:
A) pressure-sensing device is placed in the cavity, and insulating liquid is full of in cavity；
B) pin of the electrode of pressure-sensing device and cavity is connected；
C) diaphragm is covered on the top of cavity；
D) sealing ring is set in the lateral wall of cavity；
E) pressure ring is fixedly installed on diaphragm；
F) material with the first buffer layer of mobility is filled in pressure ring, is then removed bubble removing, is formed after cured
Flexible first buffer layer, the thickness of first buffer layer are no more than the height of pressure ring；
G) material with the second buffer layer of mobility is coated in first buffer layer, formed has elasticity after cured
Second buffer layer, the hardness of second buffer layer is bigger than the hardness of first buffer layer, and the hardness than rubber is small；
2) 3 biographies are opened up in the steel plate or lower support plate for being located at the sheet rubber lower surface to be measured of vibration isolator rubber bearing
Sensor placed hole；
3) anti-shearing access is opened up in the steel plate or lower connecting plate for having opened up sensor placed hole, it is anti-to shear the one of access
End is connected to sensor placed hole, and the other end is connected to the edge of vibration isolator rubber bearing；
4) by three oil filling core body pressure sensor S1~S3It is embedded in corresponding sensor placed hole, as shown in Fig. 2, only
Want multiple；
5) sheet rubber to be measured is covered on to the upper surface of oil filling core body pressure sensor, by multi-disc sheet rubber and multi-disc
Steel plate, which is superimposed with each other to place, constitutes laminated construction, and opens a through-hole at center, and laminated construction is fixed on upper junction plate and lower connection
Between plate, vibration isolator rubber bearing is constituted；
6) another by anti-shearing access by the pin of one end connection oil filling core body pressure sensor of signal transmission wire
End is connected to signal processing circuit；
7) signal processing circuit is connected to terminal, and terminal passes through network connection cloud；
8) to the size and Orientation and oil filling core body pressure sensor of the vertical load of vibration isolator rubber bearing, horizontal displacement
Compressed stress value carries out data scaling, obtains one group of calibration relation equation；
A) determining vertical load and horizontal displacement, the i.e. direction of horizontal displacement and size have been applied to vibration isolator rubber bearing
Know；
B) three oil filling core body pressure sensors acquire compressed stress signal, are transmitted to signal processing circuit；
C) after signal processing circuit carries out signal processing, it is transmitted to computer；
D) computer respectively obtains the compressed stress of three oil filling core body pressure sensors according to compressed stress signal
Value
E) size and Orientation for changing the vertical load, horizontal displacement that apply, repeats step a)~g), it is vertical to obtain multiple groups
The data of load and horizontal displacement and compressed stress；
F) according to the data of multiple groups and compressed stress value, fitting obtains one group of calibration relation equation:
P1=f1(P, θ, X)=(a1Pcosθ+b1Psinθ+c1cosθ+d1sinθ)X+k1P
P2=f2(P, θ, X)=(a2Pcosθ+b2Psinθ+c2cosθ+d2sinθ)X+k2P
P3=f3(P, θ, X)=(a3Pcosθ+b3Psinθ+c3cosθ+d3sinθ)X+k3P
The size that P is vertical load, X is horizontal displacement, direction of the θ for horizontal displacement, i=1,2 and 3,
a1、a2、a3、b1、b2、b3、c1、c2、c3、d1·、d2、d3、k1、k2And k3For calibration coefficient, obtained by fitting；
9) compressed stress of the sheet rubber in corresponding position in 3 oil filling core body pressure sensor acquisition vibration isolator rubber bearings
Signal is transmitted to signal processing circuit；
10) after signal processing circuit carries out signal processing, it is transmitted to computer；
11) computer obtains the compressed stress value P of 3 oil filling core body pressure sensors according to compressed stress signal1
~P3；
12) according to calibration relation equation obtain the vertical load of one group and vibration isolator rubber bearing, the size of horizontal displacement and
The equation group of directional correlation, solve system of equation obtain the vertical load P of vibration isolator rubber bearing, the size X of horizontal displacement and direction
θ；
13) cloud is transmitted the result to, so that the information networking of multiple vibration isolator rubber bearings is analyzed, carries out data sharing.
The rubber that Fig. 3 obtains for the method for real-timely testing of vibration isolator rubber bearing vertical load according to the present invention and horizontal displacement
A certain test point compressed stress P in film1With the graph of relation of vertical load P suffered by vibration isolator rubber bearing；
The rubber that Fig. 4 obtains for the method for real-timely testing of vibration isolator rubber bearing vertical load according to the present invention and horizontal displacement
The compressed stress value P of some test point of film1With the graph of relation of the horizontal displacement X of vibration isolator rubber bearing；
As shown in figure 5, vibration isolator rubber bearing includes upper junction plate 01, sheet rubber 02, steel plate 03 and lower connecting plate 04；Its
In, multi-disc sheet rubber and multi-disc steel plate are superimposed with each other to place and constitute laminated construction, and a through-hole 05 is opened at center, and laminated construction is fixed on
Between upper junction plate and lower connecting plate.The real-time testing system packet for vibration isolator rubber bearing horizontal displacement measurement of the present embodiment
It includes: three or more oil filling core body pressure sensors 1, anti-shearing access 2, signal transmission wire 3, signal processing circuit 4, computer
Terminal 5 and cloud 6；Wherein, oil filling core body pressure sensor is arranged under the sheet rubber to be measured of vibration isolator rubber bearing
In the steel plate or lower connecting plate on surface, 3 sensor placed holes are offered in steel plate or lower connecting plate；Each oil filling core body
Pressure sensor is embedded in corresponding a pair of sensors placed hole, and the upper surface of oil filling core body pressure sensor is close to measured
Sheet rubber lower surface；Anti- shearing access is offered in the steel plate or lower connecting plate of setting oil filling core body pressure sensor；Signal
The pin of one end connection oil filling core body pressure sensor of transfer wire, is connected to signal processing by the anti-shearing access other end
Circuit；Signal processing circuit is connected to terminal；Terminal passes through network connection cloud.
As shown in fig. 6, oil filling core body pressure sensor includes cavity 11, pressure-sensing device 12, diaphragm 13, insulating liquid
14, circle sealing 15, pressure ring 16, first buffer layer 17 and second buffer layer 18, pressure-sensing device are placed in the cavity, in cavity
Full of insulating liquid, the top of cavity covers diaphragm, and sealing ring is arranged in the lateral wall of cavity, pressure is fixedly installed on diaphragm
Ring, fills first buffer layer in pressure ring, and the thickness of first buffer layer is no more than the height of pressure ring, covers in first buffer layer
Second buffer layer, pin 19 stretch out cavity.Insulating liquid 14 uses silicone oil.
It is finally noted that the purpose for publicizing and implementing example is to help to further understand the present invention, but this field
Technical staff be understood that without departing from the spirit and scope of the invention and the appended claims, it is various replacement and repair
It is all possible for changing.Therefore, the present invention should not be limited to embodiment disclosure of that, and the scope of protection of present invention is to weigh
Subject to the range that sharp claim defines.
Claims (4)
1. a kind of method for real-timely testing of vibration isolator rubber bearing horizontal displacement, which is characterized in that the method for real-timely testing includes
Following steps:
1) oil filling core body pressure sensor is provided；
2) n sensor is opened up in the steel plate or lower support plate for being located at the sheet rubber lower surface to be measured of vibration isolator rubber bearing
Placed hole, the natural number that n is >=3；
3) anti-shearing access is opened up in the steel plate or lower connecting plate for having opened up sensor placed hole, one end of anti-shearing access connects
It is connected to sensor placed hole, the other end is connected to the edge of vibration isolator rubber bearing；
4) n oil filling core body pressure sensor is embedded in corresponding sensor placed hole；
5) sheet rubber to be measured is covered on to the upper surface of oil filling core body pressure sensor, by multi-disc sheet rubber and multi-disc steel plate
The placement that is superimposed with each other constitutes laminated construction, and opens a through-hole at center, laminated construction be fixed on upper junction plate and lower connecting plate it
Between, constitute vibration isolator rubber bearing；
6) by the pin of one end connection oil filling core body pressure sensor of signal transmission wire, connected by the anti-shearing access other end
It is connected to signal processing circuit；
7) signal processing circuit is connected to terminal, and terminal passes through network connection cloud；
8) to the vertical of the size and Orientation of the vertical load of vibration isolator rubber bearing, horizontal displacement and oil filling core body pressure sensor
Value of compressive stress carries out data scaling, obtains one group of calibration relation equation；
9) compressed stress of the sheet rubber in corresponding position is believed in n oil filling core body pressure sensor acquisition vibration isolator rubber bearing
Number, it is transmitted to signal processing circuit；
10) after signal processing circuit carries out signal processing, it is transmitted to computer；
11) computer is according to compressed stress signal, obtains compressed stress value, i-th oil filling core body pressure sensor it is perpendicular
To value of compressive stress Pi, i=1 ... ..., n；
12) size and Orientation of the vertical load of one group and vibration isolator rubber bearing, horizontal displacement is obtained according to calibration relation equation
Relevant equation group, solve system of equation obtain the size X and direction θ of the vertical load P of vibration isolator rubber bearing, horizontal displacement；
13) cloud is transmitted the result to, so that the information networking of multiple vibration isolator rubber bearings is analyzed, carries out data sharing.
2. method for real-timely testing as described in claim 1, which is characterized in that in step 1), provide oil filling core body pressure biography
Sensor the following steps are included:
A) pressure-sensing device is placed in the cavity, and insulating liquid is full of in cavity；
B) pin of cavity is stretched out in the bottom wall setting of cavity；
C) in the lateral wall fit sealing circle of cavity；
D) diaphragm is covered on the top of cavity；
E) pressure ring is fixedly installed on diaphragm；
F) material with the first buffer layer of mobility is filled in pressure ring, then removes bubble removing, and formed has after cured
Elastic first buffer layer, the thickness of first buffer layer are no more than the height of pressure ring；
G) in first buffer layer coating have mobility second buffer layer material, formed has elasticity and hard after cured
The second buffer layer of degree；
H) pin of the electrode of pressure-sensing device and cavity is connected.
3. method for real-timely testing as described in claim 1, which is characterized in that in step 8), erected to vibration isolator rubber bearing
It is demarcated to load, horizontal displacement size and Orientation and oil filling core body pressure sensor test value, comprising the following steps:
A) apply determining vertical load and horizontal displacement to vibration isolator rubber bearing, i.e., known to the direction of horizontal displacement and size；
B) n oil filling core body pressure sensor acquires compressed stress signal, is transmitted to signal processing circuit；
C) after signal processing circuit carries out signal processing, it is transmitted to computer；
D) computer obtains the compressed stress value of i-th of oil filling core body pressure sensor according to compressed stress signali
=1 ..., n；
E) size and Orientation for changing the vertical load, horizontal displacement that apply, repeats step a)~d), obtain multiple groups vertical load
With the data of horizontal displacement and compressed stress；
F) according to the data of multiple groups and compressed stress, fitting obtains one group of calibration relation equation, wherein i-th of oil filling core body pressure
The calibration relation equation of force snesor is Pi=fi(P,θ,X)。
4. method for real-timely testing as claimed in claim 3, which is characterized in that in step f), fi(P, θ, X)=(aiPcosθ+
biPsinθ+cicosθ+disinθ)X+kiP, i=1 ... ..., n, wherein the size that P is vertical load, X is horizontal displacement, θ are
The direction of horizontal displacement, ai、bi、ci、diAnd kiFor calibration coefficient.
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| CN201910098679.5A CN109632153B (en) | 2019-01-31 | 2019-01-31 | Real-time testing method for vertical load and horizontal displacement of shock insulation rubber support |
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| CN201910098679.5A CN109632153B (en) | 2019-01-31 | 2019-01-31 | Real-time testing method for vertical load and horizontal displacement of shock insulation rubber support |
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| CN109632153B CN109632153B (en) | 2020-11-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284612A (en) * | 2020-10-23 | 2021-01-29 | 成都济通路桥科技有限公司 | Operation period supporting device serial type calibration method and system |
| CN113267446A (en) * | 2021-05-11 | 2021-08-17 | 北京建筑大学 | Device and method for rapidly detecting internal force of rubber support |
| CN114993833A (en) * | 2022-08-03 | 2022-09-02 | 广州大学 | Prestress detection system and detection method for prestress rubber shock insulation support |
| CN115977255A (en) * | 2022-09-23 | 2023-04-18 | 北京固力同创工程科技有限公司 | Rubber shock insulation support capable of realizing displacement monitoring with six degrees of freedom |
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