CN107490449A - Bolt axially outer load measurement method, device and system - Google Patents
Bolt axially outer load measurement method, device and system Download PDFInfo
- Publication number
- CN107490449A CN107490449A CN201610896667.3A CN201610896667A CN107490449A CN 107490449 A CN107490449 A CN 107490449A CN 201610896667 A CN201610896667 A CN 201610896667A CN 107490449 A CN107490449 A CN 107490449A
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- China
- Prior art keywords
- bolt
- outer load
- clamping force
- axially outer
- line shaft
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0047—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to residual stresses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/24—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
Present disclose provides a kind of bolt axially outer load measurement method, device and system, the described method comprises the following steps：Bolt line shaft load and residual clamping force are obtained, the bolt line shaft carries the axially loaded that bolt during outer load is born for connected piece, and the residual clamping force bears clamping force during outer load between connected piece for connected piece；Carried according to the bolt line shaft and bolt axially outer load is calculated in residual clamping force.So, the measuring method of bolt axially outer load that the disclosure provides, device and system can simply, precisely measure out the actual axially outer load that bolt is born, bolt line shaft load and residual clamping force can be not only measured simultaneously, and the actual axially outer load born of bolt can also be calculated.
Description
Technical field
This disclosure relates to load determine field, in particular it relates to a kind of bolt axially outer load measurement method, device and
System.
Background technology
Bolted effect is when connected piece bears outer load, is made to have assembled between bolted connected piece not
It can move.In the joint design of bolt, the selection of bolt specification needs to carry to determine according to the reality of bolt is outer.
In the prior art, when measuring the power that bolt is born, the axially outer load of bolt can only use theory analysis
Method obtain, the actual axially outer load born of bolt can not but be drawn.
The content of the invention
The purpose of the disclosure is to provide a kind of bolt axially outer load measurement method, device and system, can simply, essence
Really measure the axially outer load that bolt is born.
To achieve these goals, according to the first aspect of the disclosure, there is provided a kind of bolt axially outer load measurement side
Method, it the described method comprises the following steps：
Bolt line shaft load and residual clamping force are obtained, the bolt line shaft carries the axle that bolt during outer load is born for connected piece
To stress, the residual clamping force bears clamping force during outer load between connected piece for connected piece；
Carried according to the bolt line shaft and bolt axially outer load is calculated in residual clamping force.
Alternatively, it is described that the step that bolt axially outer load is calculated with residual clamping force is carried according to the bolt line shaft
Suddenly include：
Bolt axially outer load is calculated according to below equation：
FA=FS-FKR
Wherein, FARefer to the bolt axially outer load,
FSRefer to that the bolt line shaft carries,
FKRRefer to the residual clamping force.
Alternatively, methods described also includes：
According to the bolt axially outer load calculated, carried according to the bolt line shaft and residual clamping force generates bolt axle
The curve changed over time to external load.
Alternatively, the bolt line shaft is carried and obtained by bolt axial force sensor, and the residual clamping force passes through gasket type
Pressure sensor obtains, wherein, the bolt axial force sensor is arranged on along inside the bolt of bolt head central axial direction,
The gasket type pressure sensor is arranged between the bolt and connected piece.
According to the second aspect of the disclosure, the disclosure provides a kind of bolt axially outer load-measuring device, and its feature exists
In described device includes：
Acquisition module, for obtaining, bolt line shaft is carried and residual clamping force, the bolt line shaft are carried and born for connected piece
The axially loaded of bolt during outer load, the residual clamping force bear clamping force during outer load between connected piece for connected piece；
Computing module, bolt axially outer load is calculated with residual clamping force for being carried according to the bolt line shaft.
Alternatively, the computing module is that bolt axially outer load is calculated according to below equation：
FA=FS-FKR
Wherein, FARefer to the bolt axially outer load,
FSRefer to that the bolt line shaft carries,
FKRRefer to the residual clamping force.
Alternatively, described device also includes：
Curve generation module, for according to the bolt axially outer load calculated, generating the bolt axially outer and carrying
The curve that lotus changes over time.
Alternatively, the acquisition module is used to obtain the bolt line shaft load, Yi Jitong by bolt axial force sensor
Gasket type pressure sensor is crossed to obtain the residual clamping force, wherein, the bolt axial force sensor is arranged on along bolt head
Inside the bolt of portion's central axial direction, the gasket type pressure sensor is arranged between the bolt and connected piece.
According to the third aspect of the disclosure, there is provided a kind of bolt axially outer load measuring system, the system include：
Tested bolt, the tested bolt are connected to connected piece；
Detection means, the bolt line shaft for detecting the tested bolt carries and residual clamping force, the bolt line shaft carry
The axially loaded of tested bolt when bearing outer load for connected piece, when the residual clamping force is that connected piece bears outer load
Clamping force between connected piece；
Described bolt axially outer load-measuring device.
Alternatively, the detection means includes：
Bolt axial force sensor, inside the bolt along bolt head central axial direction of the tested bolt,
Carried for detecting the bolt line shaft；
Gasket type pressure sensor, it is described residual for detecting between the tested bolt and the connected piece
Remaining clamping force.
Measuring method, the device and system for the bolt axially outer load that the disclosure provides simply, can be measured accurately
Go out the axially outer load that bolt is born.By obtaining bolt line shaft load and residual clamping force simultaneously, so as to according to the spiral shell
Bolt line shaft carries and bolt axially outer load is calculated in residual clamping force.So, the disclosure can not only measure bolt simultaneously
Line shaft carries and residual clamping force, and the actual axially outer load born of bolt can also be calculated, and can be bolt specification
Selection is provided, and accurate, reliable data are supported.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool
Body embodiment is used to explain the disclosure together, but does not form the limitation to the disclosure.In the accompanying drawings：
Fig. 1 is the flow chart of the bolt axially outer load measurement method provided according to a kind of embodiment of the disclosure；
Fig. 2 is the flow of the bolt axially outer load measurement method provided according to the another embodiment of the disclosure
Figure；
Fig. 3 is the block diagram of the bolt axially outer load-measuring device provided according to a kind of embodiment of the disclosure；
Fig. 4 is the block diagram of the bolt axially outer load-measuring device provided according to the another embodiment of the disclosure；
Fig. 5 is the block diagram of the bolt axially outer load measuring system provided according to a kind of embodiment of the disclosure；
Fig. 6 is that the detection of the bolt axially outer load measuring system provided according to the another embodiment of the disclosure fills
The block diagram put.
Embodiment
The embodiment of the disclosure is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explained the disclosure, is not limited to the disclosure.
According to the first aspect of the disclosure, there is provided a kind of bolt axially outer load measurement method.Shown in Fig. 1, according to
The flow chart for the bolt axially outer load measurement method that a kind of embodiment of the disclosure provides, as shown in figure 1, methods described
It may include steps of：
In step s 11, bolt line shaft load and residual clamping force are obtained, it is outside connected piece is born that the bolt line shaft, which carries,
The axially loaded of bolt during load, the residual clamping force bear clamping force during outer load between connected piece for connected piece；
In step s 12, carried according to the bolt line shaft and bolt axially outer load is calculated in residual clamping force.
Wherein, bolt axially outer load is calculated according to below equation：
FA=FS-FKR
Wherein, FARefer to the bolt axially outer load,
FSRefer to that the bolt line shaft carries,
FKRRefer to the residual clamping force.
Pass through above-mentioned technical proposal, can simply, precisely measure out the axially outer load that bolt is born.By same
When obtain bolt line shaft and carry and residual clamping force, so as to be carried according to the bolt line shaft and spiral shell is calculated in the residual clamping force
Bolt axially outer load.So, the disclosure can not only measure bolt line shaft load and residual clamping force simultaneously, can also calculate
Go out the actual axially outer load born of bolt, accurate, reliable data can be provided for the selection of bolt specification and supported.
It is the bolt axially outer load measurement method provided according to the another embodiment of the disclosure shown in Fig. 2
Flow chart, as shown in Fig. 2 on the basis of Fig. 1, methods described also includes：
In the step s 21, according to the bolt axially outer load calculated, bolt axially outer load anaplasia at any time is generated
The curve of change.
Wherein, the curve that the bolt axially outer load changes over time is during the actual travel of vehicle, is led to
The bolt line shaft for crossing real-time monitoring bolt carries and the residual clamping force calculates bolt axially outer load, and then according to
The bolt axially outer load and generate.While the curve that the bolt axially outer load changes over time is generated,
Bolt line shaft can also be generated and carry the curve that the curve changed over time and residual clamping force change over time.
In this embodiment it is possible to record vehicle in real time, bolt bears actual axially outer load in the process of moving
Change, data support is provided for the reasonable selection of bolt specification, the bolt axially outer born in use to bolt carries
Lotus has more symbolical meaningses, also makes the bolt axially outer load that draws more accurate.In addition, the bolt of generation is total
Axle carries the curve that the curve changed over time and residual clamping force change over time and can also shown, is easy to user intuitively
Observation.
Alternatively, the bolt line shaft is carried and obtained by bolt axial force sensor, and the residual clamping force passes through gasket type
Pressure sensor obtains, wherein, the bolt axial force sensor is arranged on the bolt along the bolt head central axial direction
Inside, the gasket type pressure sensor are arranged between the bolt and connected piece.
According to the second aspect of the disclosure, there is provided a kind of bolt axially outer load-measuring device.Shown in Fig. 3, according to
The block diagram for the bolt axially outer load-measuring device that a kind of embodiment of the disclosure provides.As shown in figure 3, the bolt axle
Include to outside load-measuring device 10：
Acquisition module 100, for obtaining, bolt line shaft is carried and residual clamping force, the bolt line shaft are carried and held for connected piece
By the axially loaded of bolt during outer load, the residual clamping force bears clamping force during outer load between connected piece for connected piece；
Computing module 200, bolt axially outer load is calculated with residual clamping force for being carried according to the bolt line shaft
Lotus.
Wherein, computing module 200 is used to bolt axially outer load be calculated according to below equation：
FA=FS-FKR
Wherein, FARefer to the bolt axially outer load,
FSRefer to that the bolt line shaft carries,
FKRRefer to the residual clamping force.
It is the bolt axially outer load-measuring device provided according to the another embodiment of the disclosure shown in Fig. 4
Block diagram.As shown in figure 4, the bolt axially outer load-measuring device 10 can also include：
Curve generation module, for according to the bolt axially outer load calculated, generating the bolt axially outer and carrying
The curve that lotus changes over time.
Alternatively, the acquisition module 100 is used to obtain the bolt line shaft load by bolt axial force sensor, and
The residual clamping force is obtained by gasket type pressure sensor, wherein, the bolt axial force sensor is arranged on along described
Inside the bolt of bolt head central axial direction, the gasket type pressure sensor be arranged on the bolt and connected piece it
Between.It will be apparent to a skilled person that how the disclosure obtains to acquisition module 100, bolt line shaft is carried and remnants are clamped
The specific implementation of power is not limited, and in addition to aforesaid way, for example can also be obtained bolt line shaft by supercritical ultrasonics technology and be carried,
Residual clamping force is obtained by strain gauge method, as long as the purpose for obtaining bolt line shaft load and residual clamping force can be realized.
According to the third aspect of the disclosure, there is provided a kind of bolt axially outer load measuring system.Shown in Fig. 5, according to
The block diagram for the bolt axially outer load measuring system that a kind of embodiment of the disclosure provides.As shown in figure 5, bolt axle is outside
Portion's load measuring system includes：
Tested bolt 30, the tested bolt 30 are connected to connected piece；
Detection means 20, the bolt line shaft for detecting the tested bolt 30 carries and residual clamping force, the bolt are total
Axle carries the axially loaded that tested bolt during outer load is born for connected piece, and the residual clamping force is outside connected piece is born
Clamping force during load between connected piece；
Above-mentioned bolt axially outer load-measuring device 10.
It is the bolt axially outer load measuring system provided according to the another embodiment of the disclosure shown in Fig. 6
The block diagram of detection means.As shown in fig. 6, the detection means 20 of bolt axially outer load measuring system can include：
Bolt axial force sensor 40, in the bolt along bolt head central axial direction of the tested bolt 30
Portion, carried for detecting the bolt line shaft；
Gasket type pressure sensor 50, between the tested bolt 30 and the connected piece, for detecting
State residual clamping force.
The preferred embodiment of the disclosure is described in detail above in association with accompanying drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical scheme of the disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought, it should equally be considered as disclosure disclosure of that.
Claims (10)
1. a kind of bolt axially outer load measurement method, it is characterised in that the described method comprises the following steps：
Bolt line shaft is obtained to carry and residual clamping force, the bolt line shaft carry for connected piece bear bolt during outer load axially by
Power, the residual clamping force bear clamping force during outer load between connected piece for connected piece；
Carried according to the bolt line shaft and bolt axially outer load is calculated in residual clamping force.
2. according to the method for claim 1, it is characterised in that described to be carried and residual clamping force meter according to the bolt line shaft
Calculation show that the step of bolt axially outer load includes：
Bolt axially outer load is calculated according to below equation：
FA=FS-FKR
Wherein, FARefer to the bolt axially outer load,
FSRefer to that the bolt line shaft carries,
FKRRefer to the residual clamping force.
3. method according to claim 1 or 2, it is characterised in that methods described also includes：
According to the bolt axially outer load calculated, the curve that the bolt axially outer load changes over time is generated.
4. method according to claim 1 or 2, it is characterised in that the bolt line shaft, which carries, passes through bolt axial force sensor
Obtaining, the residual clamping force is obtained by gasket type pressure sensor, wherein, the bolt axial force sensor is arranged on along spiral shell
Inside the bolt of bolt head central axial direction, the gasket type pressure sensor be arranged on the bolt and connected piece it
Between.
5. a kind of bolt axially outer load-measuring device, it is characterised in that described device includes：
Acquisition module, for obtaining, bolt line shaft carries and residual clamping force, the bolt line shaft load bear outer load for connected piece
When bolt axially loaded, the residual clamping force is that connected piece bears clamping force during outer load between connected piece；
Computing module, bolt axially outer load is calculated with residual clamping force for being carried according to the bolt line shaft.
6. device according to claim 5, it is characterised in that the computing module is used to be calculated according to below equation
Bolt axially outer load：
FA=FS-FKR
Wherein, FARefer to the bolt axially outer load,
FSRefer to that the bolt line shaft carries,
FKRRefer to the residual clamping force.
7. the device according to claim 5 or 6, it is characterised in that described device also includes：
Curve generation module, for according to the bolt axially outer load that calculates, generate the bolt axially outer load with
The curve of time change.
8. the device according to claim 5 or 6, it is characterised in that the acquisition module is used to sense by bolt axial force
Device is carried to obtain the bolt line shaft, and the residual clamping force is obtained by gasket type pressure sensor, wherein, it is described
Bolt axial force sensor is arranged on along inside the bolt of bolt head central axial direction, the gasket type pressure sensor installation
Between the bolt and connected piece.
9. a kind of bolt axially outer load measuring system, it is characterised in that the system includes：
Tested bolt, the tested bolt are connected to connected piece；
Detection means, the bolt line shaft for detecting the tested bolt carries and residual clamping force, and it is quilt that the bolt line shaft, which carries,
Connector bears the axially loaded of tested bolt during outer load, and the residual clamping force is that connected piece is connected when bearing outer load
Clamping force between fitting；
Bolt axially outer load-measuring device according to any one of claim 5-8.
10. system according to claim 9, it is characterised in that the detection means includes：
Bolt axial force sensor, inside the bolt along bolt head central axial direction of the tested bolt, it is used for
The bolt line shaft is detected to carry；
Gasket type pressure sensor, between the tested bolt and the connected piece, for detecting the remaining folder
Clamp force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610896667.3A CN107490449A (en) | 2016-10-13 | 2016-10-13 | Bolt axially outer load measurement method, device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610896667.3A CN107490449A (en) | 2016-10-13 | 2016-10-13 | Bolt axially outer load measurement method, device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107490449A true CN107490449A (en) | 2017-12-19 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610896667.3A Pending CN107490449A (en) | 2016-10-13 | 2016-10-13 | Bolt axially outer load measurement method, device and system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203035702U (en) * | 2013-01-21 | 2013-07-03 | 国电联合动力技术有限公司 | High-strength bolt with induction output function |
| CN203100972U (en) * | 2013-02-28 | 2013-07-31 | 国电联合动力技术有限公司 | Pre-embedded bolt axial force sensor calibrating system |
| CN203130381U (en) * | 2013-01-16 | 2013-08-14 | 江苏新誉重工科技有限公司 | Tower capable of online testing bolt shaft force |
| CN204788764U (en) * | 2015-04-30 | 2015-11-18 | 陕西重型汽车有限公司 | Stud shaft is to force transducer |
| CN205175603U (en) * | 2015-11-20 | 2016-04-20 | 北京福田康明斯发动机有限公司 | It is fixed device and stud shaft power is measured device for stud shaft power is measured |
-
2016
- 2016-10-13 CN CN201610896667.3A patent/CN107490449A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203130381U (en) * | 2013-01-16 | 2013-08-14 | 江苏新誉重工科技有限公司 | Tower capable of online testing bolt shaft force |
| CN203035702U (en) * | 2013-01-21 | 2013-07-03 | 国电联合动力技术有限公司 | High-strength bolt with induction output function |
| CN203100972U (en) * | 2013-02-28 | 2013-07-31 | 国电联合动力技术有限公司 | Pre-embedded bolt axial force sensor calibrating system |
| CN204788764U (en) * | 2015-04-30 | 2015-11-18 | 陕西重型汽车有限公司 | Stud shaft is to force transducer |
| CN205175603U (en) * | 2015-11-20 | 2016-04-20 | 北京福田康明斯发动机有限公司 | It is fixed device and stud shaft power is measured device for stud shaft power is measured |
Non-Patent Citations (1)
| Title |
|---|
| YZH2614: "《CH05-螺栓受力分析》", 《百度文库》 * |
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Application publication date: 20171219 |
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