CN106323738A - Fastener fatigue test loading frame capable of adapting to various loading angles - Google Patents
Fastener fatigue test loading frame capable of adapting to various loading angles Download PDFInfo
- Publication number
- CN106323738A CN106323738A CN201610779564.9A CN201610779564A CN106323738A CN 106323738 A CN106323738 A CN 106323738A CN 201610779564 A CN201610779564 A CN 201610779564A CN 106323738 A CN106323738 A CN 106323738A
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- fatigue test
- loading frame
- ear mount
- fastener
- angle
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 23
- 230000006978 adaptation Effects 0.000 claims 4
- 238000003466 welding Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 241001669679 Eleotris Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001105 regulatory effect Effects 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
- G01N3/02—Details
-
- 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
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
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- 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 fastener fatigue test loading frame capable of adapting to various loading angles. The fastener fatigue test loading frame comprises a bearing cross beam, two sliders, two support lug welding parts, two limit blocks and two fixing shafts, wherein the bearing cross beam is horizontally arranged, and rectangular square holes are bilaterally symmetrically formed in the bearing cross beam; the sliders are assembled in the rectangular square holes; the two fixing shafts penetrate through the two sliders respectively; top ends of the two support lug welding parts are connected with the bearing cross beam through the fixing shafts; tail parts of the fixing shafts penetrate out of the support lug welding parts and are equipped with retaining shaft sleeves; contact angles are formed at the bottom ends of the support lug welding parts; the two limit blocks are symmetrically arranged on the bottom surface of the bearing cross beam; side surfaces of the limit blocks are manufactured to form corresponding oblique angles; long bolts are arranged on the bottom surfaces of two ends of the bearing cross beam; nuts are arranged at bottoms of the long bolts and used for liming opening angles of the support lug welding parts. The fastener fatigue test loading frame has the beneficial effects of being convenient to adjust and facilitating improvement of the test efficiency.
Description
Technical field
The present invention relates to a kind of fastener fatigue test loading frame adapting to multiple load angle, be mainly used in the inspection of fastener
Measurement equipment field.
Background technology
Rail fastening is the vitals in track structure, and its Major Function is to maintain the reliable connection of rail and sub rail foundation
Knot.In order to verify the ability of its guarantee safe operation, and under equal conditions compare the quality of different fastener operative performance, need
The assembling fatigue test of fastener is carried out according to railway systems standard.Concrete grammar is that fastener set is contained on single sleeper, uses
The loading frame fastener to sleeper both sides applies dynamic vertical force and cross force, the actual loading situation of simulation fastener, is carrying out
After the test of stipulated number, draw test data.
The line condition being suitable for due to fastener is different, and vertical force and cross force that fastener bears are the most different, enterprising at sleeper
During row assembling fatigue test, the angle of loading frame needs to carry out certain adjustment, is subject to the fastener under the different line condition of simulation
Power state, but the gauge 1435mm after assembling due to fastener is fixed value, and the angle adjusting loading frame is accomplished by changing fixing axle
Position, existing loading frame is relatively big in view of stress, and fixing shaft position is the most unadjustable, and such one pair of loading frame can only use
A kind of angle is tested, and test chamber, in order to meet the assembling fatigue test requirement of different fastener, needs to prepare multiple loading frame,
Both occupy the test chamber place of preciousness, added again cost, need to carry out the improvement of necessity.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of fastener fatigue test loading frame adapting to multiple load angle,
It uses scalable to fix the loading crossbeam of shaft position, when needing the use angle regulating loading frame, it is only necessary to by changing
Adjusting slider, adjusts the position of fixing axle, can meet test requirements document, will not reduce the rigidity of loading frame simultaneously.
The present invention is achieved through the following technical solutions.
A kind of fastener fatigue test loading frame adapting to multiple load angle, including bearing beam, two slide blocks, two ears
Seat weldment, two limited blocks, two fixing axles, above-mentioned bearing beam horizontally set and offer symmetrical rectangle side
Hole, is each equipped with slide block in rectangle square hole, and two above-mentioned fixing axles are respectively through two slide blocks, two above-mentioned ear mount weldments
Top all linked into an integrated entity with above-mentioned bearing beam by above-mentioned fixing axle, above-mentioned fixing axle afterbody pass above-mentioned ear mount welding
Part also installs retaining axle sleeve, and the afterbody of above-mentioned retaining axle sleeve and above-mentioned fixing axle radially has the aperture of correspondence, plugs in aperture
Split pin, the bottom of above-mentioned ear mount weldment is provided with contact angle, the bottom surface of above-mentioned bearing beam be symmetrical arranged two above-mentioned
Limited block, above-mentioned limited block side is fabricated to corresponding oblique angle, and the bottom surface at the two ends of above-mentioned bearing beam is provided with stay bolt, on
State the opening angle being provided with the nut above-mentioned ear mount weldment of restriction bottom stay bolt.
Further, above-mentioned locating piece is provided with screw and is fixed on above-mentioned bearing beam.
Further, it is provided with plain washer at the nut arranged bottom above-mentioned stay bolt.
Further, it is provided with spring washer between above-mentioned contact angle and above-mentioned ear mount weldment.
Further, above-mentioned spring washer is provided with screw and is fixed on above-mentioned ear mount weldment.
Beneficial effects of the present invention:
Test chamber has only to a set of loading frame and corresponding supporting slide block can complete the fatigue test of various angle, saves
The space of test chamber and cost, change slide block simple, easy to adjust, is beneficial to improve test efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view that the present invention adapts to the fastener fatigue test loading frame of multiple load angle；
Fig. 2 is the front elevational schematic that the present invention adapts to the fastener fatigue test loading frame of multiple load angle；
Fig. 3 is the schematic side view that the present invention adapts to the fastener fatigue test loading frame of multiple load angle；
Fig. 4 is the use schematic diagram that the present invention adapts to the fastener fatigue test loading frame of multiple load angle.
Detailed description of the invention
Below according to drawings and Examples, the present invention is described in further detail.
With reference to Fig. 1-Fig. 3, the present invention, adapt to the fastener fatigue test loading frame of multiple load angle, including bearing beam
1,2, two ear mount weldments of two slide blocks, 11, two fixing axles 12 of 3, two limited blocks, above-mentioned bearing beam 1 horizontally set is also
And offer symmetrical rectangle square hole, and it being each equipped with slide block 2 in rectangle square hole, two above-mentioned fixing axles 12 pass respectively
Two slide blocks 2, slide block divides some models to use in pairs, when slide block is symmetrically installed in the rectangle square hole of loading crossbeam both sides,
Can corresponding different fixing shaft position.When needs regulation test angle, it is only necessary to the fixing axle on change bearing beam
Kong Wei, now changes the slide block of respective model, and slide block is symmetrically installed.
The top of two above-mentioned ear mount weldments 3 is all linked into an integrated entity with above-mentioned bearing beam 1 by above-mentioned fixing axle 12,
Above-mentioned fixing axle 12 afterbody passes above-mentioned ear mount weldment 3 and installs retaining axle sleeve 13, above-mentioned retaining axle sleeve 13 and above-mentioned fixing
The afterbody of axle 12 radially has the aperture of correspondence, plugs split pin 14 in aperture, and split pin prevents the axial displacement of fixing axle.
The bottom of above-mentioned ear mount weldment 3 is provided with contact angle 9, and during contact angle test, it contacts in rail head of rail, protects
The contact requirement of card load(ing) point.
The bottom surface of above-mentioned bearing beam 1 is symmetrical arranged two above-mentioned limited blocks 11, and above-mentioned limited block 11 side is fabricated to phase
Answer oblique angle, when ear mount weldment angle and limited block side bevels coincide, i.e. meet the different angles requirement of fatigue test.
The bottom surface at the two ends of above-mentioned bearing beam 1 is provided with stay bolt 4, is provided with nut 5 and limits bottom above-mentioned stay bolt 4
The opening angle of fixed above-mentioned ear mount weldment 3.Ear mount weldment and the angle that loads between crossbeam when loading frame adjusts by growing
Bolt regulates, when ear mount weldment angle and limited block side bevels coincide, the tightest by upper lower nut, fixing loading frame angle
Degree, can test.
Above-mentioned locating piece is provided with screw 10 and is fixed on above-mentioned bearing beam 1.
It is provided with plain washer 6 at the nut 5 arranged bottom above-mentioned stay bolt 4.
It is provided with spring washer 8 between above-mentioned contact angle 9 and above-mentioned ear mount weldment 3.
Above-mentioned spring washer 8 is provided with screw 7 and is fixed on above-mentioned ear mount weldment 3.
Above-described embodiment only for technology design and the feature of the present invention are described, its object is to allow and is familiar with this art
Personage will appreciate that present invention and is carried out, and can not limit the scope of the invention with this.All according to the present invention
The equivalence that spirit is made changes or modifies, and all should contain within the scope of the present invention.
Claims (5)
1. the fastener fatigue test loading frame adapting to multiple load angle, it is characterised in that include bearing beam, two cunnings
Block, two ear mount weldments, two limited blocks, two fixing axles, described bearing beam horizontally set and to offer left and right right
The rectangle square hole claimed, is each equipped with slide block in rectangle square hole, and two described fixing axles are respectively through two slide blocks, described in two
The top of ear mount weldment is all linked into an integrated entity with described bearing beam by described fixing axle, and described fixing axle afterbody passes institute
Stating ear mount weldment and install retaining axle sleeve, the afterbody of described retaining axle sleeve and described fixing axle radially has the aperture of correspondence,
Plugging split pin in aperture, the bottom of described ear mount weldment is provided with contact angle, and the bottom surface symmetry of described bearing beam sets
Putting two described limited blocks, described limited block side is fabricated to corresponding oblique angle, and the bottom surface at the two ends of described bearing beam is respectively provided with
There is stay bolt, be provided with nut bottom described stay bolt and limit the opening angle of described ear mount weldment.
The fastener fatigue test loading frame of the multiple load angle of adaptation the most according to claim 1, it is characterised in that described
Locating piece is provided with screw and is fixed on described bearing beam.
The fastener fatigue test loading frame of the multiple load angle of adaptation the most according to claim 1, it is characterised in that described
It is provided with plain washer at the nut arranged bottom stay bolt.
The fastener fatigue test loading frame of the multiple load angle of adaptation the most according to claim 1, it is characterised in that described
It is provided with spring washer between contact angle and described ear mount weldment.
The fastener fatigue test loading frame of the multiple load angle of adaptation the most according to claim 4, it is characterised in that described
Spring washer is provided with screw and is fixed on described ear mount weldment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610779564.9A CN106323738B (en) | 2016-08-30 | 2016-08-30 | Fastener fatigue test loading frame suitable for various loading angles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610779564.9A CN106323738B (en) | 2016-08-30 | 2016-08-30 | Fastener fatigue test loading frame suitable for various loading angles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106323738A true CN106323738A (en) | 2017-01-11 |
| CN106323738B CN106323738B (en) | 2023-11-21 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768944A (en) * | 2016-12-19 | 2017-05-31 | 中铁隆昌铁路器材有限公司 | Adjustable rail snap fit part fatigue test augmentor and method |
| CN109708859A (en) * | 2018-12-16 | 2019-05-03 | 安徽省巢湖铸造厂有限责任公司 | Adjustable rail clip fatigue experimental device |
| CN116007920A (en) * | 2023-01-03 | 2023-04-25 | 北京铁科首钢轨道技术股份有限公司 | Research method for fatigue test of angle-adjustable fastener |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768944A (en) * | 2016-12-19 | 2017-05-31 | 中铁隆昌铁路器材有限公司 | Adjustable rail snap fit part fatigue test augmentor and method |
| CN109708859A (en) * | 2018-12-16 | 2019-05-03 | 安徽省巢湖铸造厂有限责任公司 | Adjustable rail clip fatigue experimental device |
| CN116007920A (en) * | 2023-01-03 | 2023-04-25 | 北京铁科首钢轨道技术股份有限公司 | Research method for fatigue test of angle-adjustable fastener |
| CN116007920B (en) * | 2023-01-03 | 2023-12-26 | 北京铁科首钢轨道技术股份有限公司 | Research method for fatigue test of angle-adjustable fastener |
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| Publication number | Publication date |
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| CN106323738B (en) | 2023-11-21 |
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