CN206618633U - A kind of flexible frock fixture suitable for pipe fitting fatigue test - Google Patents
A kind of flexible frock fixture suitable for pipe fitting fatigue test Download PDFInfo
- Publication number
- CN206618633U CN206618633U CN201720331117.7U CN201720331117U CN206618633U CN 206618633 U CN206618633 U CN 206618633U CN 201720331117 U CN201720331117 U CN 201720331117U CN 206618633 U CN206618633 U CN 206618633U
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- Prior art keywords
- plate
- pipe fitting
- supporting plate
- test
- location
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- Expired - Fee Related
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 27
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 206010016256 fatigue Diseases 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model is related to a kind of frock clamp, specifically a kind of flexible frock fixture suitable for pipe fitting fatigue test, belongs to Parts technical field of measurement and test.It includes base, supporting plate, location-plate, gripping block, loads fixture and universal joint, fixed support plate on base, supporting plate side passes through bolt connected positioning plate, location-plate and supporting plate upper surface connect gripping block jointly by bolt, gripping block and location-plate, supporting plate junction form the holding chamber of clamping test pipe fitting, and one end of test pipe fitting is clamped by holding chamber；Loads fixture and gripping block and location-plate, supporting plate connect the coaxial setting of the holding chamber to be formed, and loads fixture upper end is bolted universal joint, universal joint upper end connection driving oil cylinder.The utility model is easy to manufacture to process；Using modular design method, the different briquetting by changing can be applied to different types of fitting structure；By interior logical hot gas, the high-temperature behavior test of fitting structure can be realized.
Description
Technical field
The utility model is related to a kind of frock clamp, specifically a kind of flexible frock suitable for pipe fitting fatigue test
Fixture, belongs to Parts technical field of measurement and test.
Background technology
Metal tube is widely used, and a variety of pipe fittings are related in after-treatment system：As connecting tube, enter escape pipe, Kong Guan, company
Adapter, hush tube, outlet tail piece, manifold etc..According to the different of operating temperature, the difference of stand under load operating mode, pipe fitting is proposed resistance to
Require also to be not quite similar long, and the initial imperfection that raw material are present is possible to occur Cracking Failure in follow-up use, therefore
It is necessary to carry out fatigue endurance performance test to tube material, so that it is guaranteed that the stability of product reliability quality.
In the prior art, the tool structure of metal tube is often the application specific architecture of customization, it is impossible to be used in polytype
Fatigue durability testing.
The content of the invention
The purpose of this utility model is to overcome above-mentioned weak point, so as to provide a kind of suitable for pipe fitting fatigue test
Flexible frock fixture, can be applied to various bores, various length, the fatigue test of various thickness fitting structures, reduce work
Fill cost of manufacture and experiment maintenance cost.
A kind of technical scheme provided according to the utility model, flexible frock fixture suitable for pipe fitting fatigue test includes
Base, supporting plate, location-plate, gripping block, loads fixture and universal joint, it is characterized in that：Fixed support plate on base, supporting plate side
Face is by bolt connected positioning plate, and location-plate and supporting plate upper surface connect gripping block jointly by bolt, gripping block and
Location-plate, supporting plate junction form the holding chamber of clamping test pipe fitting, and one end of test pipe fitting is clamped by holding chamber；Loading
Fixture and gripping block and location-plate, supporting plate connect the coaxial setting of the holding chamber to be formed, and loads fixture upper end is bolted
Universal joint, universal joint upper end connection driving oil cylinder.
Further, reinforcing plate is fixed between supporting plate side and base upper surface.
Further, base, which is provided with two U-lags, U-lag, is provided with fastening bolt.
Further, loads fixture includes upper and lower clamp, and upper and lower clamp is used for the other end for clamping test pipe fitting, above,
Fastened between lower clamp by the bolt connection at two ends.
Compared with the prior art the utility model has advantages below：
The utility model is simple in construction, compact, reasonable, is easy to manufacture to process；Using modular design method, by changing
Different briquettings, can be applied to different types of fitting structure；By interior logical hot gas, the high temperatures of fitting structure can be realized
Can test.
Brief description of the drawings
Fig. 1 is the utility model stereogram.
Description of reference numerals：1- bases, 2- supporting plates, 3- reinforcing plates, 4- location-plates, 5- bolts, 6- gripping blocks, 7-
Clamp, 9- universal joints, 10-U shapes groove, 11- fastening bolts under upper clamp, 8-.
Embodiment
The utility model will be further described with reference to the embodiment in accompanying drawing below：
As shown in figure 1, the utility model mainly include base 1, supporting plate 2, location-plate 4, gripping block 6, loads fixture and
Universal joint 9.
Fixed support plate 2 on base 1, the side of supporting plate 2 passes through the connected positioning plate 4 of bolt 5, location-plate 4 and support
The upper surface of plate 2 connects gripping block 6 by bolt jointly, and gripping block 6 and location-plate 4, the junction of supporting plate 2 form clamping test pipe
The holding chamber of part, one end of test pipe fitting is clamped by holding chamber.When in face of different types of fitting structure, change different
Location-plate 4 and gripping block 6, meet the pipe fitting testing requirement of different size.
Loads fixture is coaxial with the holding chamber that gripping block 6 and location-plate 4, the connection of supporting plate 2 are formed to be set.Loads fixture bag
Upper and lower clamp 7,8 is included, when in use, upper and lower clamp 7,8 is used between the other end for clamping test pipe fitting, upper and lower clamp 7,8
Fastened by the bolt connection at two ends.
Loads fixture upper end is bolted universal joint 9, the upper end of universal joint 9 connection driving oil cylinder.By driving oil cylinder
Universal joint 9 is driven, universal joint 9 drives loads fixture, and loads fixture drives test pipe fitting to carry out fatigability test.
Reinforcing plate 3 is fixed between the side of supporting plate 2 and the upper surface of base 1, the He of supporting plate 2 is improved by reinforcing plate 3
Structural strength between base 1.
The base 1, which is provided with two U-lags 10, U-lag 10, is provided with fastening bolt 11, passes through U-lag 10 and adjusts bottom
The fixed position of seat 1, is then fixed the position of base 1 by fastening bolt 11.
The specifically used step of pipe fitting fatigue test frock is as follows：
The first step, will be fixed between base 1 and supporting plate 2, reinforcing plate 3, and three is as support fixed mechanism, and its thickness is not
Less than 20mm.
Second step, the base 1 assembled, supporting plate 2, reinforcing plate 3 are fixed on test platform using fastening bolt 11,
Two U-lag axially bored line distances are used for 250mm with looking good with test platform wherein in base 1.
3rd step, locating piece is assembled in supporting plate, and there is positioning hole at the two center, and positioning hole is fixed using bolt
Position.
4th step, is put into gripping block by pipe fitting to be tested and location-plate, supporting plate junction forms clamping test pipe fitting
Holding chamber in.
5th step, bolt hole above pipe fitting, bare terminal end is clamped according to test requirements document in loading position using loads fixture
Universal-joint, keeps universal joint vertical, and its upper end is connected with driving oil cylinder, universal joint actual installation position and vertical direction
Angle should be not more than 0.5 °, to ensure that load loading is accurate.
6th step, chooses whether to carry out fatique testing at elevated temperature using heating gun according to experimental condition.Start to test and carry out
The record of test data.
The utility model is simple in construction, compact, reasonable, is easy to manufacture to process；Using modular design method, by changing
Different briquettings, can be applied to different types of fitting structure；By interior logical hot gas, the high temperatures of fitting structure can be realized
Can test.
Claims (4)
1. a kind of flexible frock fixture suitable for pipe fitting fatigue test, including base（1）, supporting plate（2）, location-plate（4）, folder
Tight block（6）, loads fixture and universal joint（9）, it is characterized in that：Base（1）Upper fixed support plate（2）, supporting plate（2）Side passes through
Bolt（5）Connected positioning plate（4）, location-plate（4）And supporting plate（2）Upper surface connects gripping block jointly by bolt（6）,
Gripping block（6）And location-plate（4）, supporting plate（2）Junction forms the holding chamber of clamping test pipe fitting, and one end of test pipe fitting leads to
Cross holding chamber clamping；Loads fixture and gripping block（6）And location-plate（4）, supporting plate（2）The holding chamber of connection formation is coaxial to be set
Put, loads fixture upper end is bolted universal joint（9）, universal joint（9）Upper end connection driving oil cylinder.
2. a kind of flexible frock fixture suitable for pipe fitting fatigue test as claimed in claim 1, it is characterized in that：The support
Plate（2）Side and base（1）Reinforcing plate is fixed between upper surface（3）.
3. a kind of flexible frock fixture suitable for pipe fitting fatigue test as claimed in claim 1, it is characterized in that：The base
（1）Provided with two U-lags（10）, U-lag（10）In be provided with fastening bolt（11）.
4. a kind of flexible frock fixture suitable for pipe fitting fatigue test as claimed in claim 1, it is characterized in that：The loading
Fixture includes upper and lower clamp（7、8）, upper and lower clamp（7、8）The other end for clamping test pipe fitting, upper and lower clamp（7、8）
Between fastened by the bolt connection at two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720331117.7U CN206618633U (en) | 2017-03-31 | 2017-03-31 | A kind of flexible frock fixture suitable for pipe fitting fatigue test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720331117.7U CN206618633U (en) | 2017-03-31 | 2017-03-31 | A kind of flexible frock fixture suitable for pipe fitting fatigue test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206618633U true CN206618633U (en) | 2017-11-07 |
Family
ID=60234941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720331117.7U Expired - Fee Related CN206618633U (en) | 2017-03-31 | 2017-03-31 | A kind of flexible frock fixture suitable for pipe fitting fatigue test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206618633U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044737A (en) * | 2018-01-16 | 2019-07-23 | 国核电站运行服务技术有限公司 | A kind of fatigue test device and method for testing fatigue of pipe fitting |
| CN112798430A (en) * | 2021-02-09 | 2021-05-14 | 上海核工程研究设计院有限公司 | Clamp for U-shaped pipeline high-temperature high-pressure water environment test |
| CN114441278A (en) * | 2021-12-20 | 2022-05-06 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Encapsulating method and device for composite material reinforced wall plate test piece for airplane |
-
2017
- 2017-03-31 CN CN201720331117.7U patent/CN206618633U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044737A (en) * | 2018-01-16 | 2019-07-23 | 国核电站运行服务技术有限公司 | A kind of fatigue test device and method for testing fatigue of pipe fitting |
| CN112798430A (en) * | 2021-02-09 | 2021-05-14 | 上海核工程研究设计院有限公司 | Clamp for U-shaped pipeline high-temperature high-pressure water environment test |
| CN114441278A (en) * | 2021-12-20 | 2022-05-06 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Encapsulating method and device for composite material reinforced wall plate test piece for airplane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171107 |