CN109115602A - A kind of method and system determining cylinder pressure-bearing section offset based on axial compressive force - Google Patents
A kind of method and system determining cylinder pressure-bearing section offset based on axial compressive force Download PDFInfo
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Abstract
The present invention relates to a kind of method and system for determining cylinder pressure-bearing section offset based on axial compressive force, method includes the following steps, S1, and stationary distribution 3 are used to detect the test point of cylinder axial deflection around cylinder；S2 loads axial compressive force, the axial deflection of 3 test point detection cylinders on cylinder pressure-bearing section；S3, the Computing Principle according to cylinder in deflection under by eccentric axial compressive force calculate the offset of the pressure point of axial compressive force relative to the center of area in cylinder pressure-bearing section using the axial deflection of the cylinder of 3 test points detection.The elasticity modulus of the cylinder involved in Computing Principle of the present invention using cylinder deflection and the pressure heart of axial compressive force are calculated relative to the offset of the center of area in cylinder pressure-bearing section, it calculates accurate, simultaneously, it avoids the prior art and repeatedly adjusts test block position with feeling, reduce and manually adjust test block position trouble, provides accurate foundation for the mobile test block of the fast automatic control of later period computer.
Description
Technical field
The present invention relates to a kind of cement, concrete, building material product test block compression test field, and in particular to one kind is based on
Axial compressive force determines the method and system of cylinder pressure-bearing section offset.
Background technique
In concrete product (bridge, house, dam etc.) manufacturing process, generally require to make a collection of concrete examination simultaneously
Block is conserved in identical and standard environment, in the different maintenance stages, passes through the inspection of intensity and elasticity modulus to test block
It surveys, to infer the current mechanical property of concrete product, to determine the quality of concrete, and carries out the peace of subsequent handling
Row.Electric-liquid type pressure test machine is used exclusively for the intensity of concrete test block and the equipment of elasticity modulus detection, this at present to set
Standby is all electronic manual operations, and the payload values of concrete test block intensity are read, the load of test load controls, test block is in corresponding lotus
Each test point deflection under carrying is read and the centering of concrete test block adjustment all needs to be accomplished manually.The examination of electric-liquid type pressure
The machine of testing is used exclusively for the intensity of concrete test block and the equipment of elasticity modulus detection, inspection of the concrete test block on testing machine
It surveys as shown in Figure 1, upper ejector pin 2 is installed on the upper beam center of reaction frame 1 by screw rod, adjustable vertical height, jack 6 is installed
On the center of underbeam, backing plate 5 is placed on 6 piston of jack, cylinder 3 is placed on backing plate 5, it should be placed in load center,
Two pieces of amesdials 4 are installed for detecting deflection of the cylinder 3 in stress on cylinder 3.When loading detection, silk is first rotated
Bar makes upper ejector pin 2 close to the upper surface of cylinder 3, then manipulates jack 6 and rises load, by reading oil pressure or oil pressure reaction
Force value determine load load.Then the reading of two sides amesdial 4 is read, if the reading difference of two sides amesdial 4 is excessive, to be unloaded
It carries, unclamps cylinder 3, readjusting 3 position of cylinder is overlapped its centroid with the pressure heart of the pressure of screw rod as far as possible, reloads reading two
Block amesdial 4 is read, and is approached until two pieces of amesdials 4 are read, and average value and load payload values that two pieces of amesdials 4 are read are passed through
Calculate the elasticity modulus of cylinder.Above-mentioned manipulation is that manual operation is completed entirely at present, and only payload values can be machine-readable by calculating
Out.During adjusting test block position, need to manually adjust test block position trouble in this way, and pass through with repeatedly adjustment is felt
It is very inaccurate that two amesdial readings are overlapped close to the pressure heart for determining test block centroid and pressure, while passing through two pieces thousand points
The elasticity modulus for the concrete test block that the average value and load payload values of meter reading calculate is also inaccurate.
Summary of the invention
Technical problem to be solved by the invention is to provide it is a kind of based on axial compressive force determine cylinder offset method and
System can provide accurate foundation for the fast automatic control cylinder movement of computer and accurately calculate the elasticity modulus of cylinder.
The technical scheme to solve the above technical problems is that one kind determines cylinder pressure-bearing section based on axial compressive force
The method of offset, includes the following steps,
S1, stationary distribution 3 are used to detect the test point of cylinder axial deflection around cylinder；
S2 loads axial compressive force, the axial deflection of 3 test point detection cylinders on cylinder pressure-bearing section；
S3, the Computing Principle according to cylinder in deflection under by eccentric axial compressive force, the cylinder detected using 3 test points
Axial deflection, calculate the offset of the pressure point of axial compressive force relative to the center of area in cylinder pressure-bearing section.
The beneficial effects of the present invention are: in a kind of side for determining cylinder pressure-bearing section offset based on axial compressive force of the present invention
In method, the elasticity modulus of cylinder involved in the Computing Principle using cylinder deflection and the pressure heart of axial compressive force are held relative to cylinder
The offset calculating for pressing the center of area in section, calculates accurately, meanwhile, the prior art, which is avoided, with feeling repeatedly adjusts test block position,
Reduce and manually adjust test block position trouble, provides accurate foundation for the mobile test block of the fast automatic control of later period computer.
Based on the above technical solution, the present invention can also be improved as follows.
It further, further include the step that the elasticity modulus of cylinder is calculated according to the axial deflection of the cylinder of test point detection
Suddenly.
Beneficial effect using above-mentioned further scheme is: one kind determines cylinder pressure-bearing based on axial compressive force through the invention
The elasticity modulus that the modular ratio prior art for the cylinder that the method for section offset resolves resolves is accurate.
Further, the distance of 3 test points to the central axes of the cylinder determines.
Beneficial effect using above-mentioned further scheme is: the position of 3 test points distribution can be convenient installation positioning,
Simplify calculating process.
Further, Computing Principle of the S3 middle column body in deflection under by eccentric axial compressive force are as follows:
Δ Z=Δ ZX+ΔZY+ΔZZ
Wherein, Δ ZxWhen generating deviation in the X direction relative to the center of area in cylinder pressure-bearing section for the pressure heart of axial compressive force,
In cylinder in X direction on each point generate Z-direction displacement；ΔZyFor face of the pressure heart relative to cylinder pressure-bearing section of axial compressive force
When the heart generates deviation in the Y direction, the Z-direction that each point in cylinder in Y-direction generates is displaced；ΔZzFor when the pressure of axial compressive force
When the heart is overlapped with the center of area in cylinder pressure-bearing section, displacement that each point in cylinder generates in z-direction.
Beneficial effect using above-mentioned further scheme is: Δ Z is the value for the cylinder deflection that test point detects, at this
Two original test points are replaced in invention using 3 test points, detection accuracy can be improved.
Further,
Wherein, X is center of area distance in the X direction of the test point relative to cylinder pressure-bearing section, and E is the springform of cylinder
Amount, P are axial compressive force, and h is the height of cylinder, XaPress the heart relative to the center of area in cylinder pressure-bearing section in the side X for axial compressive force
Upward offset, IyIt is cylinder around the moment of inertia of Y-axis；C is the constraint factor of cylinder, and 0 C≤2 <；
Have when the cylinder is cuboid,
Wherein, a is the length of the cylinder, and b is the width of the cylinder；
Have when the cylinder is cylindrical body,
Wherein, d is the diameter of the cylinder.
Further, X=Rcos θ, wherein θ be test point relative to cylinder pressure-bearing section the center of area in X-direction axis turn
Angle, R are distance of the test point to the central axes of cylinder.
Beneficial effect using above-mentioned further scheme is: in Δ ZxCalculation formula in, remove E and XaBe it is unknown outer,
His X, P, h and IyBe it is known, can for it is subsequent calculating provide conveniently.
Further,
Wherein, Y is center of area distance in the Y direction of the test point relative to cylinder pressure-bearing section, and E is the springform of cylinder
Amount, P are axial compressive force, and h is the height of cylinder, YbPress the heart relative to the center of area in cylinder pressure-bearing section in the side Y for axial compressive force
Upward offset, IxIt is cylinder around the moment of inertia of X-axis；C is the constraint factor of cylinder, and 0 C≤2 <
Have when the cylinder is cuboid,
Wherein, a is the length of the cylinder, and b is the width of the cylinder；
Have when the cylinder is cylindrical body,
Wherein, d is the diameter of cylinder.
Further, Y=Rsin θ, wherein θ be test point relative to cylinder pressure-bearing section the center of area in X-direction axis turn
Angle, R are distance of the test point to the central axes of cylinder.
Beneficial effect using above-mentioned further scheme is: in Δ ZyCalculation formula in, remove E and YbBe it is unknown outer,
His Y, P, h and IxBe it is known, can for it is subsequent calculating provide conveniently.
Further,
Wherein, L is the preset effective height of actual measurement process middle column body, and P is axial compressive force, and S is cylinder pressure-bearing section
Area；
Have when the cylinder is cuboid,
S=a × b
A is the length of the cylinder, and b is the width of the cylinder；
Have when the cylinder is cylindrical body,
Wherein, d is the diameter of the cylinder.
Beneficial effect using above-mentioned further scheme is: in Δ ZzCalculation formula in, L, P and S are known, institutes
With Δ ZzIt is also known, can be provided conveniently for subsequent calculating.
Based on a kind of above-mentioned method for determining cylinder offset based on axial compressive force, the present invention also provides one kind based on axial
The system that pressure determines cylinder offset.
A kind of system that cylinder offset is determined based on axial compressive force, including the load of deflection detection module, axial compressive force
Module and displacement computing module,
The deflection detection module is used for around cylinder stationary distribution 3 for detecting cylinder axial deformation
The test point of amount；
The axial compressive force loading module is used on cylinder pressure-bearing section load axial compressive force, 3 test point detections
The axial deflection of cylinder；
The displacement computing module is used for the Computing Principle according to cylinder in deflection under by eccentric axial compressive force, benefit
With the axial deflection for the cylinder that 3 test points detect, face of the pressure point of axial compressive force relative to cylinder pressure-bearing section is calculated
The offset of the heart.
The beneficial effects of the present invention are: a kind of in the present invention be based on what axial compressive force determined cylinder pressure-bearing section offset
In system, the offset in the offset and Y-direction of cylinder pressure-bearing section in the X direction can be accurately calculated, is that computer is fast
Speed automatically controls mobile test block and provides accurate foundation, while can also accurately calculate elasticity modulus.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that concrete test block detects on testing machine in the prior art；
Fig. 2 is a kind of flow chart for the method that cylinder pressure-bearing section offset is determined based on axial compressive force of the present invention；
Fig. 3 is that the present invention is a kind of determines the method middle column body of cylinder pressure-bearing section offset in axial pressure based on axial compressive force
Structural schematic diagram under power；
Fig. 4, which is that the present invention is a kind of, determines deformation measurement die trial in the method for cylinder pressure-bearing section offset based on axial compressive force
Type figure；
Fig. 5 is a kind of structural block diagram for the system that cylinder pressure-bearing section offset is determined based on axial compressive force of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1, reaction frame, 2, upper ejector pin, 3, cylinder, 4, amesdial, 5, backing plate, 6, jack.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Fig. 2, a kind of method for determining cylinder offset based on axial compressive force, includes the following steps,
S1, stationary distribution 3 are used to detect the test point of cylinder axial deflection around cylinder；
S2 loads axial compressive force, the axial deflection of 3 test point detection cylinders on cylinder pressure-bearing section；
S3, the Computing Principle according to cylinder in deflection under by eccentric axial compressive force, the cylinder detected using 3 test points
Axial deflection, calculate the offset of the pressure point of axial compressive force relative to the center of area in cylinder pressure-bearing section.
It in the method for the invention further include the elasticity that cylinder is calculated according to the axial deflection of the cylinder of test point detection
The step of modulus, in S3, according to the Computing Principle of cylinder pressure-bearing section deformation amount, the cylinder using 3 test point detections becomes
Shape amount can also calculate the elasticity modulus of cylinder.The distance of 3 test points to the central axes of the cylinder determines.
In the method for the invention, cylinder can be the cylinder of the other shapes such as cuboid, cylindrical body rule, this is specific real
Apply example be specifically introduced by taking cuboid as an example (when cylinder be other shapes rule cylinder when, relevant parameter can also adapt to become
Change).
The method for determining cylinder pressure-bearing section offset based on axial compressive force provided in above-described embodiment, passes through pressure testing column
Body, be automatically found cylinder pressure-bearing section the center of area and axial compressive force pressure the heart between offset, so as to computer from
The position of dynamic adjustment cylinder, improves the automation and intelligence degree of cylinder detection, realizes that each parameter is computer-readable, from
It is dynamic to upload data platform in real time.
Specifically, first with the principle of the mechanics of materials in the embodiment, it is assumed that column body structure is uniform, then
The center of area in cylinder pressure-bearing section should be just the pressure heart of axial compressive force, be depressed for cylinder in eccentric axial compressive force, each point
Deformation is derived, using in higher mathematics, under minute anglePrinciple, by trigonometric equation simplification it is linear
Equation, basic derivation are as follows:
Fig. 3 is the schematic diagram of cylinder (cuboid) under axial, and wherein a is the length of the cylinder, and b is the column
The width of body, h are the height of the cylinder, and p is axial compressive force, XaFor axial compressive force the pressure heart relative to cylinder pressure-bearing section
The offset of the center of area in the X direction, YbFor the center of area in the Y direction inclined of the pressure heart relative to cylinder pressure-bearing section of axial compressive force
Shifting amount.
Assume according to parallel cut:
When the pressure heart of axial compressive force generates deviation relative to the center of area in cylinder pressure-bearing section in the X direction, along the side X in cylinder
The Z-direction displacement that upward each point generates are as follows:
Wherein, X is center of area distance in the X direction of the test point relative to cylinder pressure-bearing section, and E is the springform of cylinder
Amount, P are axial compressive force, and h is the height of cylinder, XaPress the heart relative to the center of area in cylinder pressure-bearing section in the side X for axial compressive force
Upward offset, IyIt is cylinder around the moment of inertia of Y-axis, C is the constraint factor of cylinder, and the best value model of 0 < C≤2, C
Enclose for 0.8≤C≤1.2, when two free ends of cylinder are unfettered, C value is up to 2, when two free ends of cylinder by
Constraint is bigger, and the value of C is smaller；And
In other specific embodiments, have when the cylinder is cylindrical body,
Wherein, d is the diameter of cylinder.
Equally, when the pressure heart of axial compressive force generates deviation relative to the center of area in cylinder pressure-bearing section in the Y direction, in cylinder
The Z-direction displacement that each point in Y-direction generates are as follows:
Wherein: Y is center of area distance in the Y direction of the test point relative to cylinder pressure-bearing section, and E is the springform of cylinder
Amount, P are axial compressive force, and h is the height of cylinder, YbPress the heart relative to the center of area in cylinder pressure-bearing section in the side Y for axial compressive force
Upward offset, IxIt is cylinder around the moment of inertia of X-axis, C is the constraint factor of cylinder, and the best value model of 0 < C≤2, C
Enclose for 0.8≤C≤1.2, when two free ends of cylinder are unfettered, C value is up to 2, when two free ends of cylinder by
Constraint is bigger, and the value of C is smaller；And
In other specific embodiments, have when the cylinder is cylindrical body,
Wherein, d is the diameter of the cylinder.
When the pressure heart of axial compressive force is overlapped with the center of area in cylinder pressure-bearing section, each point in cylinder generates in z-direction
Displacement are as follows:
Wherein, L is the preset effective height of actual measurement process middle column body, and P is axial compressive force, and S is the sectional area of cylinder,
And
S=a × b (6-1)
In other specific embodiments, have when the cylinder is cylindrical body,
Wherein, d is the diameter of cylinder.
Therefore, in cylinder any point total deformation under the action of axial compressive force are as follows:
Δ Z=Δ ZX+ΔZY+ΔZZ (7)
Fig. 4, which is that the present invention is a kind of, determines deformation measurement die trial in the method for cylinder pressure-bearing section offset based on axial compressive force
Type figure, wherein O0-X0-Y0It is axial compressive force to press the heart as origin O0Fixed coordinate system, O1-X1-Y1It is cylinder with pressure-bearing section
The center of area be origin O1Moving coordinate system.3 test points are located on the fixation position of moving coordinate system, in Fig. 4 1., 2. and
3. respectively indicating the position of 3 test points, No. 1 test point, No. 2 test points and No. 3 test points are respectively represented.Axial compressive force is vertical
In X0Axis and Y0The plane of axis composition, and the pressure heart of axial compressive force passes through O0Point.Assuming that fixed coordinate system and moving coordinates tie up to
The offset of X and Y-direction is respectively XaAnd Yb, 3 test points be located at by cylinder along the axis in Z-direction centered on using R as radius
On circumference, 3 test points are relative to the O in moving coordinate system1In X1Corner on axis is respectively as follows: θ1, θ2, θ3。
The deflection of No. 1 test point are as follows:
Wherein R1cosθ1And R1sinθ1Centroid O of respectively No. 1 test point relative to cylinder1In X1And Y1On direction away from
From；
The deflection of No. 2 test points are as follows:
Wherein, R2cosθ2And R2cosθ2Centroid O of respectively No. 2 test points relative to cylinder1In X1And Y1On direction
Distance；
The deflection of No. 3 test points are as follows:
Wherein, R3cosθ3And R3sinθ3Centroid O of respectively No. 3 test points relative to cylinder1In X1And Y1On direction
Distance.
Now enable:
X1=Xa
X2=Yb
X3=E
a13=-Δ Z1_0
a23=-Δ Z2-0
a33=-Δ Z3_0
Then equation (8)~(10) can respectively indicate are as follows:
a11X1+a12X2+a13X3=b1 (11)
a21X1+a22X2+a23X3=b2 (12)
a31X1+a32X2+a33X3=b3 (13)
Wherein,
X1、X2And X3For unknown number, a11、a12、a13、b1、a21、a22、a23、b2、a31、a32、a33And b3It is datum, by
This can be seen that one group of ternary system of linear equations being exactly made of 3 unknown numbers and 3 equations, pass through this group of ternary
System of linear equations, can calculate fixed coordinate system and moving coordinates to tie up to X and the deviation of Y-direction be respectively X1(namely Xa)、
X2(namely Yb) and elasticity modulus X3(namely E).
By accurately calculating the offset X in X-directionaWith the offset Y in Y-directionb, it is that computer is fast automatic
It controls mobile test block and accurate foundation is provided；Mobile cylinder is overlapped the centroid of cylinder and the pressure heart of axial compressive force, regains 3
The detected value of a test point illustrates that column body material is uniform, the center of area and axis in the pressure-bearing section of cylinder if 3 values are close
It is overlapped to the pressure heart of pressure；If the detected value difference of 3 test points is larger, illustrate that column body material is uneven.The present invention
Method can also accurately calculate the elastic modulus E of cylinder.
Based on a kind of above-mentioned method for determining cylinder offset based on axial compressive force, the present invention also provides one kind based on axial
The system that pressure determines cylinder offset.
As shown in figure 5, a kind of system that cylinder offset is determined based on axial compressive force, including deflection detection module, axis
To pressure-loaded module and it is displaced computing module,
The deflection detection module is used for around cylinder stationary distribution 3 for detecting cylinder axial deformation
The test point of amount；
The axial compressive force loading module is used on cylinder pressure-bearing section load axial compressive force, 3 test point detections
The axial deflection of cylinder；
The displacement computing module is used for the Computing Principle according to cylinder in deflection under by eccentric axial compressive force, benefit
With the axial deflection for the cylinder that 3 test points detect, face of the pressure point of axial compressive force relative to cylinder pressure-bearing section is calculated
The offset of the heart.
In the system provided in an embodiment of the present invention for determining cylinder offset based on axial compressive force, can accurately it calculate
The offset in offset and Y-direction in X-direction provides accurate foundation for the mobile test block of the fast automatic control of computer,
Elasticity modulus can be also accurately calculated simultaneously.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of method for determining cylinder pressure-bearing section offset based on axial compressive force, it is characterised in that: include the following steps,
S1, stationary distribution 3 are used to detect the test point of cylinder axial deflection around cylinder；
S2 loads axial compressive force, the axial deflection of 3 test point detection cylinders on the pressure-bearing section of cylinder；
S3 utilizes the axis of the cylinder of 3 test points detection according to cylinder in the Computing Principle of deflection under by eccentric axial compressive force
To deflection, the offset of the pressure point of axial compressive force relative to the center of area in cylinder pressure-bearing section is calculated.
2. the method according to claim 1 for determining cylinder pressure-bearing section offset based on axial compressive force, it is characterised in that:
Further include the steps that the axial deflection of the cylinder detected according to test point calculates the elasticity modulus of cylinder.
3. a kind of method for determining cylinder pressure-bearing section offset based on axial compressive force according to claim 1 or 2, special
Sign is: the distance of 3 test points to the central axes of the cylinder determines.
4. a kind of method for determining cylinder pressure-bearing section offset based on axial compressive force according to claim 3, feature
It is: Computing Principle of the S3 middle column body in deflection under by eccentric axial compressive force are as follows:
Δ Z=Δ ZX+ΔZY+ΔZZ
Wherein, Δ ZxWhen generating deviation in the X direction relative to the center of area in cylinder pressure-bearing section for the pressure heart of axial compressive force, cylinder
In in X direction on each point generate Z-direction displacement；ΔZyExist for the pressure heart of axial compressive force relative to the center of area in cylinder pressure-bearing section
When generating deviation in Y-direction, the Z-direction that each point in cylinder in Y-direction generates is displaced；ΔZzFor when the pressure heart of axial compressive force with
When the center of area in cylinder pressure-bearing section is overlapped, displacement that each point in cylinder generates in z-direction.
5. a kind of method for determining cylinder pressure-bearing section offset based on axial compressive force according to claim 4, feature
It is:
Wherein, X is center of area distance in the X direction of the test point relative to cylinder pressure-bearing section, and E is the elasticity modulus of cylinder, P
For axial compressive force, h is the height of cylinder, XaFor axial compressive force pressure the heart relative to cylinder pressure-bearing section the center of area in the X direction
Offset, IyIt is cylinder around the moment of inertia of Y-axis；C is the constraint factor of cylinder, and 0 C≤2 <；
Have when the cylinder is cuboid,
Wherein, a is the length of the cylinder, and b is the width of the cylinder；
Have when the cylinder is cylindrical body,
Wherein, d is the diameter of the cylinder.
6. a kind of method for determining cylinder pressure-bearing section offset based on axial compressive force according to claim 5, feature
Be: X=Rcos θ, wherein θ be test point relative to the pressure-bearing section of cylinder the center of area in the corner of axis in X-direction, R is inspection
Distance of the measuring point to the central axes of cylinder.
7. a kind of method for determining cylinder pressure-bearing section offset based on axial compressive force according to claim 4, feature
It is:
Wherein, Y is center of area distance in the Y direction of the test point relative to the pressure-bearing section of cylinder, and E is the springform of cylinder
Amount, P are axial compressive force, and h is the height of cylinder, YbPress the heart relative to the center of area in cylinder pressure-bearing section in the side Y for axial compressive force
Upward offset, IxIt is cylinder around the moment of inertia of X-axis；C is the constraint factor of cylinder, and 0 C≤2 <；
Have when the cylinder is cuboid,
Wherein, a is the length of the cylinder, and b is the width of the cylinder；
Have when the cylinder is cylindrical body,
Wherein, d is the diameter of the cylinder.
8. a kind of method for determining cylinder pressure-bearing section offset based on axial compressive force according to claim 7, feature
Be: Y=Rsin θ, wherein θ be test point relative to the pressure-bearing section of cylinder the center of area in the corner of axis in X-direction, R is inspection
Distance of the measuring point to the central axes of cylinder.
9. a kind of method for determining cylinder pressure-bearing section offset based on axial compressive force according to claim 4, feature
It is:
Wherein, L is the preset effective height of actual measurement process middle column body, and P is axial compressive force, and S is the face in cylinder pressure-bearing section
Product；
Have when the cylinder is cuboid,
S=a × b,
Wherein, a is the length of the cylinder, and b is the width of the cylinder；
Have when the cylinder is cylindrical body,
Wherein, d is the diameter of the cylinder.
10. a kind of system for determining cylinder pressure-bearing section offset based on axial compressive force, it is characterised in that: detected including deflection
Module, axial compressive force loading module and displacement computing module,
The deflection detection module is used for around cylinder stationary distribution 3 for detecting cylinder axial deflection
Test point；
The axial compressive force loading module, is used on cylinder pressure-bearing section load axial compressive force, and 3 test points detect cylinder
Axial deflection；
The displacement computing module is used to utilize 3 in the Computing Principle of deflection under by eccentric axial compressive force according to cylinder
The axial deflection of the cylinder of test point detection, calculate the pressure point of axial compressive force relative to cylinder pressure-bearing section the center of area it is inclined
Shifting amount.
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|---|---|---|---|
| JP2018186186A JP6908281B2 (en) | 2017-10-18 | 2018-09-29 | Methods and systems for determining the offset of the prismatic pressure section based on axial pressure |
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| CN2017109695086 | 2017-10-18 | ||
| CN201710969508.6A CN107860654A (en) | 2017-10-18 | 2017-10-18 | A kind of method and system that cylinder pressure-bearing section offset is determined based on axial compressive force |
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| CN201810696199.4A Active CN109115602B (en) | 2017-10-18 | 2018-06-29 | Method and system for determining offset of pressure-bearing section of cylinder based on axial pressure |
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| CN107860654A (en) * | 2017-10-18 | 2018-03-30 | 武汉希萌健科技有限公司 | A kind of method and system that cylinder pressure-bearing section offset is determined based on axial compressive force |
| CN109374417A (en) * | 2018-09-22 | 2019-02-22 | 中铁工程设计咨询集团有限公司 | A kind of concrete test block centralising device and method |
| CN113982274B (en) * | 2021-11-19 | 2022-11-15 | 中铁十七局集团第五工程有限公司 | Fulcrum setting method of cast-in-place concrete support structure |
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| CN107860654A (en) * | 2017-10-18 | 2018-03-30 | 武汉希萌健科技有限公司 | A kind of method and system that cylinder pressure-bearing section offset is determined based on axial compressive force |
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- 2017-10-18 CN CN201710969508.6A patent/CN107860654A/en active Pending
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- 2018-09-29 JP JP2018186186A patent/JP6908281B2/en active Active
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| WO2004063717A3 (en) * | 2003-01-10 | 2005-01-27 | Troxler Electronic Lab Inc | Gyratory compactor apparatus and associated devices and methods |
| CN103278131A (en) * | 2013-05-10 | 2013-09-04 | 东北大学 | Method for measuring axial deformation of rock sample |
| CN103278131B (en) * | 2013-05-10 | 2015-09-30 | 东北大学 | A kind of axial deformation of rock sample measuring method |
| CN105127735A (en) * | 2015-07-08 | 2015-12-09 | 四川电力建设二公司 | Installation aligning method for shafting |
| CN105547809A (en) * | 2016-01-05 | 2016-05-04 | 山东大学 | ECC axial tension test deformation monitoring system and method |
| CN107860654A (en) * | 2017-10-18 | 2018-03-30 | 武汉希萌健科技有限公司 | A kind of method and system that cylinder pressure-bearing section offset is determined based on axial compressive force |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6908281B2 (en) | 2021-07-21 |
| CN107860654A (en) | 2018-03-30 |
| JP2020003468A (en) | 2020-01-09 |
| CN109115602B (en) | 2020-11-06 |
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