CN108593439A - A kind of bolt performance testing device and method - Google Patents
A kind of bolt performance testing device and method Download PDFInfo
- Publication number
- CN108593439A CN108593439A CN201810478850.0A CN201810478850A CN108593439A CN 108593439 A CN108593439 A CN 108593439A CN 201810478850 A CN201810478850 A CN 201810478850A CN 108593439 A CN108593439 A CN 108593439A
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- China
- Prior art keywords
- fixture
- bolt
- pressure sensor
- abutment sleeve
- slot
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 14
- 210000000080 chela (arthropods) Anatomy 0.000 claims abstract description 19
- 238000011056 performance test Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000036316 preload Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000032258 transport Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of bolt performance testing device and method, device includes pincers block, upper fixture, lower fixture, mechanics machine, PC equipment, signal picker, replaceable abutment sleeve and pressure sensor.Apparatus of the present invention are simple in structure, part is less, convenient and practical；It can ensure concentricity requirement in bolt test process by the test device；Also it effectively solves original to depend merely on friction and the case where insufficient clamping force occur；It is realized simultaneously to measuring different size bolted fixture quick-replaceables；Solve the problems, such as that fixture utilization rate is low；Whole structure design realizes the test request of the bolt to high/low intensity.Test device can be used for obtaining the test of bolt mechanical property simultaneously and be bolted pretightning force test data information, avoids separating measuring and causes error, improves the accuracy of measurement.
Description
Technical field
The present invention relates to a kind of bolt performance testing device and methods, belong to the fields such as mechanical engineering, material.
Background technology
Since bolt plays an important role in structure connection, so it is wanting for structural stability design that bolt, which uses,
Point.Therefore before use, needing to test bolt self performance, evaluation in engineering.Currently, in the mechanical property of test bolt
Energy aspect, is typically directly carried with mechanics machine and carries out extension test after fixture block is clamped, or in chuck body directly
Extension test is carried out after tapping female bore connection bolt.There is certain technological deficiency in these, increase experiment in use
Error.Specially：
1, test request is difficult to ensure.In test process, it is difficult to guarantee the concentricity requirement of bolt.
Quick-replaceable is cannot achieve when 2, measuring different size bolts.
3, fixture utilization rate is low, and a kind of bolt of size will match a kind of fixture.
4, structure is excessively complicated, and since part is excessive, when assembly can not ensure precision.
5, the general difference of fixture.The fixture being commonly designed, majority can only meet the test request to low-intensity bolt, difficult real
Now to the test of high-strength bolt.
Invention content
The present invention provides a kind of bolt performance testing device and methods, for effectively realizing the survey of bolt performance
Examination.
The technical scheme is that：A kind of bolt performance testing device, including pincers block 3, upper fixture 4, lower fixture 7, power
Learn testing machine 8, PC equipment 9, signal picker 10, replaceable abutment sleeve 12 and pressure sensor 13；
The upper fixture 4,7 structure of lower fixture are identical, and the two is arranged symmetrically, and slot, pressure sensor is arranged in 4 bottom surface of upper fixture
13 are placed in 4 bottom surface slot of upper fixture, and the replaceable abutment sleeve 12 in upper fixture 4 is through pressure sensor 13 from slot
In be pierced by, the replaceable abutment sleeve 12 on lower fixture 7 is pierced by from the slot of lower fixture 7, bolt 5 pass through upper fixture 4 on
Replaceable abutment sleeve 12, the replaceable abutment sleeve 12 on lower fixture 7 and connect with lower fixture 7 by nut 6, on
Fixture 4,7 other end of lower fixture are T-shaped boss 11, and the T-shaped boss 11 of two fixtures are individually positioned in 3 one end of a pincers block
In "T"-shaped slot, the upper beam 1 of mechanics machine 8 is positioned in the "T"-shaped slot of the other end of the pincers block 3 of 4 side of upper fixture
The push rod of the automatic tightening upper jaw 2-1 of lower end is positioned in the "T"-shaped slot of the other end of the pincers block 3 of 7 side of lower fixture
The push rod of the automatic tightening lower jaw 2-2 of mechanics machine 8, pressure sensor 13 are connected by signal picker 10 and PC equipment 9
It connects, for the pressure signal of acquisition to be reached PC equipment 9.
The pressure sensor 13 uses washer type bolt pressure sensor.
A kind of bolt performance test methods, steps are as follows for the method：
The pincers block 3 that two are symmetrically installed is separately mounted in automatic tightening jaw；
Tested bolt 5 is selected, the replaceable abutment sleeve 12 of correspondingly-sized is selected according to the size of bolt 5；By pressure sensing
Device 13 is placed in 4 bottom surface slot of upper fixture, and bolt 5 is put into the replaceable abutment sleeve 12 in upper fixture 4, when can replace
Change formula abutment sleeve 12 upper surface block bolt head and then by replaceable abutment sleeve 12 through pressure sensor 13 from slot
It is pierced by hole；
Bolt 5 is subsequently passed through the replaceable abutment sleeve 12 on lower fixture 7, nut 6 is tightened to scheduled position on screw rod；
Upper fixture 4, the T-shaped boss 11 of lower fixture 7 are separately mounted in the "T"-shaped slot in one end of the pincers block 3 of respective side；
It is tightened by automatic tightening jaw, clamping device, is carried out at the same time adjustment, ensure the concentricity of fixture；
Pressure sensor 13 is connect by signal picker 10 with PC equipment 9；
Apply load by mechanics machine 8, signal picker 10 acquires the preload force electrical signal that pressure sensor 13 obtains and passes
It transports to PC equipment 9 and obtains preload force data；Bolt tensile strength, surrender are obtained by 8 corresponding PC equipment of mechanics machine by force
Degree, hardness data.
The beneficial effects of the invention are as follows：The present apparatus is simple in structure, part is less, convenient and practical；It can by the test device
To ensure concentricity requirement in bolt test process；Also it effectively solves original to depend merely on friction and the case where insufficient clamping force occur；Together
Shi Shixian is to measuring different size bolted fixture quick-replaceables；Solve the problems, such as that fixture utilization rate is low；Whole structure design is real
The test request of the bolt to high/low intensity is showed.Test device can be used for obtaining simultaneously bolt mechanical property test and
It is bolted pretightning force test data information, avoids separating measuring and causes error, improve the accuracy of measurement.
Description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is the fixture clamping bolt schematic diagram of Fig. 1 fixtures of the present invention；
Fig. 3 is the front view of Fig. 1 upper fixtures of the present invention；
Fig. 4 is upper fixture sectional view of the present invention；
Fig. 5 is the part-structure view of present invention pincers block（The half of block is clamped, the other half is as structure in figure）；
Fig. 6 is signal acquisition schematic diagram of the present invention；
Figure label：1-upper beam, 2-1-automatic tightening upper jaw, 2-2-automatic tightening lower jaw, 3-pincers blocks, on 4-
Fixture, 5-bolts, 6-nuts, 7-lower fixtures, 8-mechanics machines, 9-PC equipment, 10-signal pickers, 11-T shapes
Boss, 12-replaceable abutment sleeves, 13-pressure sensors.
Specific implementation mode
Embodiment 1：As shown in figs 1 to 6, a kind of bolt performance testing device, including pincers block 3, upper fixture 4, lower fixture 7,
Mechanics machine 8, PC equipment 9, signal picker 10, replaceable abutment sleeve 12 and pressure sensor 13；
The upper fixture 4,7 structure of lower fixture are identical, and the two is arranged symmetrically, and slot, pressure sensor is arranged in 4 bottom surface of upper fixture
13 are placed in 4 bottom surface slot of upper fixture, and the replaceable abutment sleeve 12 in upper fixture 4 is through pressure sensor 13 from slot
In be pierced by, the replaceable abutment sleeve 12 on lower fixture 7 is pierced by from the slot of lower fixture 7, bolt 5 pass through upper fixture 4 on
Replaceable abutment sleeve 12, the replaceable abutment sleeve 12 on lower fixture 7 and connect with lower fixture 7 by nut 6, on
Fixture 4,7 other end of lower fixture are T-shaped boss 11, and the T-shaped boss 11 of two fixtures are individually positioned in 3 one end of a pincers block
In "T"-shaped slot, the upper beam 1 of mechanics machine 8 is positioned in the "T"-shaped slot of the other end of the pincers block 3 of 4 side of upper fixture
The push rod of the automatic tightening upper jaw 2-1 of lower end is positioned in the "T"-shaped slot of the other end of the pincers block 3 of 7 side of lower fixture
The push rod of the automatic tightening lower jaw 2-2 of mechanics machine 8, pressure sensor 13 are connected by signal picker 10 and PC equipment 9
It connects, for the pressure signal of acquisition to be reached PC equipment 9.
Washer type bolt pressure sensor is used it is possible to further which the pressure sensor 13 is arranged.
The pressure sensor can be replaced other sensors, coordinates data collector, can carry out a variety of bolt tests, and
Carry out data acquisition.
In addition, mechanics machine 8 uses Japan AG-X-100KN, pressure sensor 13 to use Shanghai washer type bolt pressure processed long
Force snesor F10F, signal picker 10 use Germany HBM | QuantumX MX403B.
A kind of bolt performance test methods, steps are as follows for the method：
The pincers block 3 that two are symmetrically installed is separately mounted in automatic tightening jaw；
Tested bolt 5 is selected, the replaceable abutment sleeve 12 of correspondingly-sized is selected according to the size of bolt 5；By pressure sensing
Device 13 is placed in 4 bottom surface slot of upper fixture, and bolt 5 is put into the replaceable abutment sleeve 12 in upper fixture 4, when can replace
Change formula abutment sleeve 12 upper surface block bolt head and then by replaceable abutment sleeve 12 through pressure sensor 13 from slot
It is pierced by hole（It is pierced by hole of the connecting line through slot side of 13 connection signal collector of pressure sensor）；
Bolt 5 is subsequently passed through the replaceable abutment sleeve 12 on lower fixture 7, nut 6 is tightened to scheduled position on screw rod；
Upper fixture 4, the T-shaped boss 11 of lower fixture 7 are separately mounted in the "T"-shaped slot in one end of the pincers block 3 of respective side；
It is tightened by automatic tightening jaw, clamping device, is carried out at the same time adjustment, ensure the concentricity of fixture；
Pressure sensor 13 is connect by signal picker 10 with PC equipment 9；
Apply load by mechanics machine 8, signal picker 10 acquires the preload force electrical signal that pressure sensor 13 obtains and passes
It transports to PC equipment 9 and obtains preload force data；Bolt tensile strength, surrender are obtained by 8 corresponding PC equipment of mechanics machine by force
Degree, hardness data.By testing obtained bolt tensile strength, yield strength, the numerical value of hardness, and combines and pre-tightens force data,
It can be to solve the problems, such as that bolt-connection provides help.
During actual test, if testing due to that fracture occurs because of bolt replaces bolt, replacement bolt, nothing can be directly carried out
Fixture need to be adjusted other components.When bolt if necessary to replace other sizes, the replaceable of upper and lower fixture is removed
Abutment sleeve is replaced.It ensure that the consistency of the device location of test.
The specific implementation mode of the present invention is explained in detail above in conjunction with figure, but the present invention is not limited to above-mentioned realities
Mode is applied, it within the knowledge of a person skilled in the art, can also be in the premise for not departing from present inventive concept
It is lower that various changes can be made.
Claims (3)
1. a kind of bolt performance testing device, it is characterised in that：Including clamping block（3）, upper fixture（4）, lower fixture（7）, mechanics examination
Test machine（8）, PC equipment（9）, signal picker（10）, replaceable abutment sleeve（12）And pressure sensor（13）；
The upper fixture（4）, lower fixture（7）Structure is identical, and the two is arranged symmetrically, upper fixture（4）Slot, pressure is arranged in bottom surface
Sensor（13）It is placed on upper fixture（4）In bottom surface slot, upper fixture（4）On replaceable abutment sleeve（12）Through pressure
Sensor（13）It is pierced by from slot, lower fixture（7）On replaceable abutment sleeve（12）From lower fixture（7）Slot in wear
Go out, bolt（5）Across upper fixture（4）On replaceable abutment sleeve（12）, lower fixture（7）On replaceable abutment sleeve
（12）And pass through nut（6）With lower fixture（7）Connection, upper fixture（4）, lower fixture（7）Other end is T-shaped boss（11）, two
The T-shaped boss of a fixture（11）It is individually positioned in a pincers block（3）In the "T"-shaped slot of one end, it is located at upper fixture（4）The pincers block of side
（3）The "T"-shaped slot of the other end in be positioned at mechanics machine（8）Upper beam（1）The automatic tightening upper jaw of lower end（2-1）
Push rod, be located at lower fixture（7）The pincers block of side（3）The "T"-shaped slot of the other end in be positioned at mechanics machine（8）It is automatic
Tighten lower jaw（2-2）Push rod, pressure sensor（13）Pass through signal picker（10）With PC equipment（9）Connection, being used for will
The pressure signal of acquisition reaches PC equipment（9）.
2. bolt performance testing device according to claim 1, it is characterised in that：The pressure sensor（13）Using pad
Ring type bolt pressure sensor.
3. a kind of bolt performance test methods, it is characterised in that：Steps are as follows for the method：
The pincers block that two are symmetrically installed（3）It is separately mounted in automatic tightening jaw；
Select tested bolt（5）, according to bolt（5）Size select correspondingly-sized replaceable abutment sleeve（12）；It will pressure
Force snesor（13）It is placed on upper fixture（4）In bottom surface slot, bolt（5）It is put into upper fixture（4）On replaceable positioning
Sleeve（12）In, when replaceable abutment sleeve（12）Upper surface block bolt head and then by replaceable abutment sleeve
（12）Through pressure sensor（13）It is pierced by from slot；
By bolt（5）It is subsequently passed through lower fixture（7）On replaceable abutment sleeve（12）, nut（6）It is tightened on screw rod pre-
Fixed position；
By upper fixture（4）, lower fixture（7）T-shaped boss（11）It is separately mounted to the pincers block positioned at respective side（3）One end " T "
In shape slot；
It is tightened by automatic tightening jaw, clamping device, is carried out at the same time adjustment, ensure the concentricity of fixture；
By pressure sensor（13）Pass through signal picker（10）With PC equipment（9）Connection；
Pass through mechanics machine（8）Apply load, signal picker（10）Acquire pressure sensor（13）The pretightning force electricity of acquisition
Signal transmission is to PC equipment（9）It obtains and pre-tightens force data；Pass through mechanics machine（8）It is strong that corresponding PC equipment obtains bolt tension
Degree, yield strength, hardness data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810478850.0A CN108593439A (en) | 2018-05-18 | 2018-05-18 | A kind of bolt performance testing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810478850.0A CN108593439A (en) | 2018-05-18 | 2018-05-18 | A kind of bolt performance testing device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108593439A true CN108593439A (en) | 2018-09-28 |
Family
ID=63632091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810478850.0A Pending CN108593439A (en) | 2018-05-18 | 2018-05-18 | A kind of bolt performance testing device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108593439A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115753356A (en) * | 2023-02-13 | 2023-03-07 | 西北工业大学 | Testing system for measuring bolt strain based on optical fiber sensor and method and application thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10170419A (en) * | 1996-12-05 | 1998-06-26 | Shimadzu Corp | Material testing device |
| CN201152840Y (en) * | 2007-12-19 | 2008-11-19 | 奇瑞汽车股份有限公司 | General bolt/nut test clamp |
| CN202182848U (en) * | 2011-07-29 | 2012-04-04 | 长城汽车股份有限公司 | Multifunctional packaged clamp for tests of threaded fasteners |
| CN202403972U (en) * | 2011-12-20 | 2012-08-29 | 中国飞机强度研究所 | Tensile testing clamp for bolts |
| CN205352833U (en) * | 2015-12-14 | 2016-06-29 | 中国航空工业集团公司成都飞机设计研究所 | Bolt tensile test universal fixturing |
| CN105842060A (en) * | 2016-05-31 | 2016-08-10 | 镇江市建科工程质量检测中心有限公司 | Bolt drawing fixture |
| CN107607398A (en) * | 2017-08-11 | 2018-01-19 | 北京工业大学 | A kind of measuring method of residual stress to bolt fastening structure clamping force influence of fading |
| CN208366719U (en) * | 2018-05-18 | 2019-01-11 | 昆明理工大学 | A kind of bolt performance testing device |
-
2018
- 2018-05-18 CN CN201810478850.0A patent/CN108593439A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10170419A (en) * | 1996-12-05 | 1998-06-26 | Shimadzu Corp | Material testing device |
| CN201152840Y (en) * | 2007-12-19 | 2008-11-19 | 奇瑞汽车股份有限公司 | General bolt/nut test clamp |
| CN202182848U (en) * | 2011-07-29 | 2012-04-04 | 长城汽车股份有限公司 | Multifunctional packaged clamp for tests of threaded fasteners |
| CN202403972U (en) * | 2011-12-20 | 2012-08-29 | 中国飞机强度研究所 | Tensile testing clamp for bolts |
| CN205352833U (en) * | 2015-12-14 | 2016-06-29 | 中国航空工业集团公司成都飞机设计研究所 | Bolt tensile test universal fixturing |
| CN105842060A (en) * | 2016-05-31 | 2016-08-10 | 镇江市建科工程质量检测中心有限公司 | Bolt drawing fixture |
| CN107607398A (en) * | 2017-08-11 | 2018-01-19 | 北京工业大学 | A kind of measuring method of residual stress to bolt fastening structure clamping force influence of fading |
| CN208366719U (en) * | 2018-05-18 | 2019-01-11 | 昆明理工大学 | A kind of bolt performance testing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115753356A (en) * | 2023-02-13 | 2023-03-07 | 西北工业大学 | Testing system for measuring bolt strain based on optical fiber sensor and method and application thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180928 |