CN205910057U - Tired capability test anchor clamps of pole sample multiaxis - Google Patents
Tired capability test anchor clamps of pole sample multiaxis Download PDFInfo
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- CN205910057U CN205910057U CN201620653144.1U CN201620653144U CN205910057U CN 205910057 U CN205910057 U CN 205910057U CN 201620653144 U CN201620653144 U CN 201620653144U CN 205910057 U CN205910057 U CN 205910057U
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- China
- Prior art keywords
- push rod
- pole
- sample
- latch
- sensor cluster
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a mechanical properties of materials tests field, concretely relates to tired capability test anchor clamps of pole sample multiaxis. The utility model discloses an are anchor clamps by disc, bolt, push rod pickup assembly, guide, pole sample anchor clamps subassembly, supporting platform form, in operation, the disc dress is on the testing machine, upper and lower and the testing machine fastening of pole sample anchor clamps subassembly, the bolt passes through modes such as screw thread and is connected with the disc, fix the guide on the supporting platform and make transverse link the inboard accurate sample cross -section that requires of tip subsides of pickup assembly, when the testing machine carries out axial loading with dynamic stress DELTA sigma's 1 mode to the pole sample, the disc drives the bolt up -and -down motion, and then promotion push rod the trend of the horizontal side -to -side movement of pickup assembly, make the sample bear multiaxis developments DELTA sigma 2 when bearing dynamic 1 load of axial DELTA sigma, 3 load of DELTA sigma, according to the loading on testing machine record with the push rod the tired capability test of high all multiaxises of pole sample is realized to pickup assembly's loading record.
Description
Technical field
This utility model is related to material mechanical performance field tests and in particular to a kind of pole sample non-proportional loading performance is surveyed
Examination fixture.
Background technology
Engineering structure and element are generally in multiaxis dynamic fatigue stress state under fatigue load service condition.Material is many
Axle fatigue behaviour, is to evaluate its service ability and the basic basis in life-span.
Existing material non-proportional loading performance test, generally using as the electro-hydraulic servo multiaxis (tension and compression-torsion) of mts 809 type
Fatigue machine and thin-walled tubular sample, application control strain method is tested, and in pipeline, pressure vessel industrial circle, has
Certain production and scientific and technological meaning.But in other fields, structure and element are in high week, by a narrow margin multi-axis stress state work, this kind of survey
Examination, except easy rotoflector (bending load) fatigue test of materials realized, other is substantially limited in the certification of object construction
Bench test category.The high all multiaxle fatigue experimental test equipment of material not being widely recognized as so far and method.
The utility model proposes a kind of smooth pole sample high frequency non-proportional loading performance test fixture, tired using conventional high frequency
The axial dynamic load of labor testing machine produces horizontal Multi-axial Loading load, completes high all non-proportional loading performances of smooth pole sample
Test.
Utility model content
It is to provide a kind of smooth pole sample high week non-proportional loading performance test that this utility model solves above-mentioned technical problem
Fixture, the axial dynamic load using conventional high frequency fatigue machine produces horizontal Multi-axial Loading load, realizes smooth pole examination
High all multiaxle fatigue experimentals of sample.
This utility model solves above-mentioned technical problem the technical scheme is that pole sample non-proportional loading performance test
Fixture, described test fixture by disk 1, latch 2, push rod-sensor cluster 3, guide 4, pole specimen holder assembly 5 and supports
Platform 6 forms；The circle centre position of described disk 1 has through hole, and the card of disk 1 has 4 fixing holes at contour, and adjacent
The angle of fixing hole to circle center line connecting is 90 °；Described latch 2 is 4, one end of each latch 2 respectively with disk 1 on one
Fixing hole is fixedly connected；Described guide 4 be 4, guide 4 is fixed in support platform 6, have in each guide 4 push rod-
Sensor cluster 3, one end of guide 4 also has perforate；The table top center of described support platform 6 has through hole；Described pole
One end of specimen holder assembly 5 passes through the through hole on disk 1, and the other end passes through the through hole in support platform 6 to be fixed；Described
One end of push rod-sensor cluster 3 connects pole specimen holder assembly 5, and the other end of push rod-sensor cluster 3 passes through guide 4
Perforate be connected with the other end of latch 2；The sample that described disk 1 is used in pole specimen holder assembly 5 carries out axially adding
During load, described latch 2 is driven to move up and down；Described latch 2 is used for when moving up and down promoting push rod-sensor cluster 3 to have
Laterally the trend of side-to-side movement, makes the crack surface of the sample in pole specimen holder assembly 5 bear tangentially along direction of crack propagation
Dynamic load, bear horizontal tear load perpendicular to direction of crack propagation；Described push rod-sensor cluster 3 is used for promoting and remembers
The information of record sample.
The total technical scheme of this utility model, in such scheme, disk 1 is contained on testing machine, and specimen holder assembly is about 5
Two ends are fastened together with testing machine, and latch 2 is fastened together with disk 1 by modes such as screw threads, support platform 6
On fix described guide 4 and make horizontal push rod-sensor cluster 3 paste the pole specimen test section of alignment request, when testing machine with
Dynamic stress δ σ1Mode when axially loaded is carried out to pole sample, disk 1 has the described latch 2 of drive and moves up and down, and enters
And promote the trend of the horizontal side-to-side movement of described push rod-sensor cluster 3, make sample bear dynamic axial δ σ1Load same
When bear dynamic δ σ2、δσ3Load, according to the loading record loading record and push rod-sensor cluster 3 on testing machine, real
The high week non-proportional loading performance test of existing pole sample.
Further, described latch 2 other end is α ° of cone for cone angle, described push rod-sensor cluster 3 another
End is the conical inclined surface mated with latch 2 other end cone, and the angle of described conical inclined surface is α °, described latch 2
The other end is formed with push rod-sensor cluster 3 other end and is slidably connected, to realize being converted into the up and down motion of described latch 2
The trend of the horizontal side-to-side movement of push rod-sensor cluster 3.
The purpose of such scheme be propose a kind of latch 2 and push rod-sensor cluster 3 be capable of latch 2 is upper and lower
Conversion of motion be the horizontal side-to-side movement of push rod-sensor cluster 3 frame mode, certainly, taper seat with cone
The frame mode on inclined-plane has implementation method simply, and has good controllability.
Further, described push rod-sensor cluster 3 has the function by shimming trim lengths, thus adjusting institute
State the taper seat of latch 2 cone and the starting point of described push rod-sensor cluster 3 conical inclined surface end in contact, thus adjusting
The upper and lower displacement of described latch 2 and the conversion proportion of described push rod-sensor cluster 3 lateral displacement, realize luffing and load；Meanwhile, 4
Individual push rod-sensor cluster 3 medial end has horizontal plane and is in identical height, relative 2 push rod-sensor clusters 3
Medial end there is " shears " effect.
Further, the table top of described support platform 6 is horizontal structure, and the height of support platform 6 table top has scalable
Property.
Further, described guide 4 and support platform 6 are fastenedly connected by bolt, can be by described guide 4 bottom
Portion adds and subtracts pad mode height-fine adjustment position, so that the requirement of the inner be aligned pole sample of described push rod-sensor cluster 3 is loaded
Position.
The beneficial effects of the utility model: using the axial dynamic load of conventional high frequency fatigue machine, produce laterally many
Axle loads dynamic load, realizes the high week non-proportional loading performance test of smooth pole sample.
Brief description
Fig. 1 is the structural representation of pole sample non-proportional loading performance test fixture of the present utility model；
Fig. 2 be pole sample non-proportional loading performance test fixture of the present utility model when carrying out axially loaded sample with push away
The Impact direction schematic diagram of bar-sensor cluster；
Fig. 3 is sample clamp assembly and push rod-biography in pole sample non-proportional loading performance test fixture of the present utility model
The connected mode schematic diagram of sensor assembly；
Fig. 4 is the embodiment of this utility model pole sample non-proportional loading performance test fixture.
Specific embodiment
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is further described.
As shown in Fig. 2 a kind of non-proportional loading performance test fixture example of smooth pole sample high week, by disk 1, latch 2,
Push rod-sensor cluster 3, guide 4, pole specimen holder assembly 5, support platform 6 are constituted.The thickness of described disk 1 be 20mm,
A diameter of 480mm, has the screwed hole of m30 × 2 fastening aftermentioned latch on the circle of diameter 420mm every 90 °；Described latch
2 length are 133mm, and top 100mm scope turning has m30 × 2 external screw thread to coordinate and can adopt with the screwed hole on above-mentioned disk 1
Reversely nut fastening, 18mm scope design in bottom has α cone angle and constitutes taper seat so that with the push rod-biography with identical α angle
Sensor assembly 3 outer end circular cone inclined-plane coordinates；Described push rod-sensor cluster 3 length 210mm, external diameter 50mm, sensor can adopt
Pad trim lengths；Described guide 4 profile foundation length 218mm, height-a width of 80mm × 80mm, embed a diameter of 50mm guiding
Support and guide for described push rod-sensor cluster 3；Described pole specimen holder assembly 5 can clamp assay section be's
Pole sample；Described support platform 6 is made up of for 203mm support thickness 20mm, the disk of diameter 440mm and height.In enforcement
Different α cone angles may be selected, manufacture multiple latches 2 and push rod-sensor cluster 3 outer end matched with it.During work, described
Disk 1, specimen holder assembly are fastened together with testing machine about 5, the described latch 2 with α cone angle pass through screw thread with
Disk 1 is fastened together, fix on described support platform 6 guide 4 make outside have the horizontal push rod at α circular cone oblique angle-
Sensor cluster 3 medial end is close to the specimen test section of requirement, through debugging, demarcates and opens testing machine and push rod-sensing
Sensor information acquisition system in device assembly 3, can achieve using conventional high frequency fatigue machine axial direction dynamic load, produces horizontal
To Multi-axial Loading dynamic load, complete the function of the high week non-proportional loading performance test of smooth pole sample.
Claims (5)
1. pole sample non-proportional loading performance test fixture, described test fixture is by disk (1), latch (2), push rod-sensor
Assembly (3), guide (4), pole specimen holder assembly (5) and support platform (6) composition；The circle centre position of described disk (1) has
Through hole, the card of disk (1) has 4 fixing holes at contour, and the angle of adjacent fixation holes to circle center line connecting is 90 °；
Described latch (2) is 4, and one end of each latch (2) is fixedly connected with a fixing hole on disk (1) respectively；Described lead
Cylinder (4) is 4, and guide (4) is fixed in support platform (6), has a push rod-sensor cluster in each guide (4)
(3), one end of guide (4) also has perforate；The table top center of described support platform (6) has through hole；Described pole sample
One end of clamp assembly (5) passes through the through hole on disk (1), and the other end passes through the through hole in support platform (6) to be fixed；Institute
The one end stating push rod-sensor cluster (3) connects pole specimen holder assembly (5), the other end of push rod-sensor cluster (3)
It is connected with the other end of latch (2) by the perforate of guide (4)；Described disk (1) is used in pole specimen holder assembly (5)
Sample when carrying out axially loaded, drive described latch (2) to move up and down；Described latch (2) is used for promoting when moving up and down
Push rod-sensor cluster (3) has the trend of horizontal side-to-side movement, makes the crackle of the sample in pole specimen holder assembly (5)
Face is born tangential dynamic load, is born horizontal tear load perpendicular to direction of crack propagation along direction of crack propagation；Described push rod-
Sensor cluster (3) is used for promoting and record the information of sample.
2. pole sample non-proportional loading performance test fixture as claimed in claim 1 is it is characterised in that described latch (2) is another
One end is α ° of cone for cone angle, and the other end of described push rod-sensor cluster (3) is and latch (2) other end cone
The conical inclined surface mated, the angle of described conical inclined surface is α °, described latch (2) other end and push rod-sensor group
Part (3) other end forms and is slidably connected, to realize for the up and down motion of described latch (2) being converted into push rod-sensor cluster (3)
The laterally trend of side-to-side movement.
3. pole sample non-proportional loading performance test fixture as claimed in claim 2 is it is characterised in that described push rod-sensing
Device assembly (3) has the function by shimming trim lengths, thus adjust described latch (2) cone taper seat with described
The starting point of push rod-sensor cluster (3) conical inclined surface end in contact, thus adjust described latch (2) upper and lower displacement with described
The conversion proportion of push rod-sensor cluster (3) lateral displacement, realizes luffing and loads；Meanwhile, 4 push rod-sensor clusters (3)
Medial end has horizontal plane and is in identical height, and the medial end of 2 relative push rod-sensor clusters (3) has " to be cut
Knife " effect.
4. pole sample non-proportional loading performance test fixture as claimed in claim 3 is it is characterised in that described support platform
(6) table top is horizontal structure, and the height of support platform (6) table top has controllability.
5. pole sample non-proportional loading performance test fixture as claimed in claim 4 it is characterised in that described guide (4) with
Support platform (6) is fastenedly connected by bolt, can be by adding and subtracting pad mode height-fine adjustment position in described guide (4) bottom
Put, make the requirement loading position of the inner be aligned pole sample of described push rod-sensor cluster (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620653144.1U CN205910057U (en) | 2016-06-27 | 2016-06-27 | Tired capability test anchor clamps of pole sample multiaxis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620653144.1U CN205910057U (en) | 2016-06-27 | 2016-06-27 | Tired capability test anchor clamps of pole sample multiaxis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205910057U true CN205910057U (en) | 2017-01-25 |
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ID=57813126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620653144.1U Expired - Fee Related CN205910057U (en) | 2016-06-27 | 2016-06-27 | Tired capability test anchor clamps of pole sample multiaxis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205910057U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928783A (en) * | 2016-06-27 | 2016-09-07 | 西南交通大学 | Multiaxial fatigue performance test fixture for round bar specimen |
-
2016
- 2016-06-27 CN CN201620653144.1U patent/CN205910057U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928783A (en) * | 2016-06-27 | 2016-09-07 | 西南交通大学 | Multiaxial fatigue performance test fixture for round bar specimen |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 Termination date: 20210627 |
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| CF01 | Termination of patent right due to non-payment of annual fee |