CN109142062A - A kind of polyimide molding part tube body bursting stress experimental rig and its application - Google Patents
A kind of polyimide molding part tube body bursting stress experimental rig and its application Download PDFInfo
- Publication number
- CN109142062A CN109142062A CN201811255813.XA CN201811255813A CN109142062A CN 109142062 A CN109142062 A CN 109142062A CN 201811255813 A CN201811255813 A CN 201811255813A CN 109142062 A CN109142062 A CN 109142062A
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- ring
- compression leg
- supporting table
- molding part
- tube body
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- 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
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- 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
It is disclosed by the invention to belong to bursting stress experimental technique field, specially polyimide molding part tube body bursting stress experimental rig, including supporting table, compression leg and baffle mechanism, the upper surface middle part of the supporting table laterally offers holding tank, antifriction ball has been uniformly embedded on the inner wall of the holding tank, pass through the setting of top pillar and compression leg, so that hold-down mechanism acts directly on top pillar, indirectly-acting is on compression leg, so that compression leg to by test pipe fitting uniform force, avoid the occurrence of local pressure it is excessive and the case where cause test result error；By the transversely arranged setting of top plate, top pillar and compression leg, the problem of gravity influences is avoided, cooperates the use of antifriction ball, reduces the frictional force between top pillar and compression leg and holding tank, reduces the influence to test；Support by rear support semi-ring, front support ring to subjects facilitates pick-and-place and limit assay object transverse shifting and longitudinal movement.
Description
Technical field
The present invention relates to bursting stress experimental technique fields, specially polyimide molding part tube body bursting stress test dress
It sets.
Background technique
Have the characteristics that high intensity, low-friction coefficient, low-expansion coefficient, self-lubricating at high temperature, is mounted in certain type hair
The part of anti-attrition antidetonation between motivation high-pressure compressor adjustable vane axle journal and wheel chamber casing, effect is that branch is played to blade
Hold and reduce the frictional resistance between wheel chamber casing and blade axle journal.If the abrasion of polyimide molding part tube body, deformation, can lead
It causes blade job stability under the action of Airflow Exciting-Vibration Force to decline, influences blade to the rectification stability of air-flow, to cause
Air-flow partial stall, then will lead to flutter when serious.
Such as China Patent Publication No. provides a kind of polyimide molding part tube body bursting stress examination for CN204241311U
Experiment device, including connecting rod, compression bar and the wedge being placed on electronic tensile machine, compression bar is connected by connecting rod and electronic tensile machine
It connects, polyimide molding part is placed between compression bar and wedge, which is characterized in that the polyimide molding part tube body destruction is answered
Power experimental rig further includes that the limiter for preventing polyimide molding part from sliding is used for fixed limit in wedge side with setting
The positioning bolt of position device, polyimide molding part large end face are freely placed on limiter, and it is big to avoid polyimide molding part
End face stress ensure that polyimide molding part will not scroll left and right on wedge.Its when in use, the wherein connecting rod of structure
Placed longitudinally with compression bar, gravity can affect to the result of test, and the connection of power mechanism and connecting rod is not
It is unbalanced steadily to will cause the pressure that compression bar is pressed on polyimide molding part, influences test result.
Summary of the invention
The purpose of the present invention is to provide polyimide molding part tube body bursting stress experimental rigs, to solve above-mentioned background
When in use, wherein the connecting rod of structure and compression bar are placed longitudinally for the existing bursting stress experimental rig proposed in technology,
Gravity can affect to the result of test, and the unstable compression bar that will cause of connection of power mechanism and connecting rod is pressed in
The problem of pressure on polyimide molding part is unbalanced, influences test result.
To achieve the above object, the invention provides the following technical scheme: polyimide molding part tube body bursting stress is tested
Device, including supporting table, compression leg and baffle mechanism, the upper surface middle part of the supporting table laterally offer holding tank, the appearance
Receive slot inner wall on be uniformly embedded into antifriction ball, the left side of the upper surface of the supporting table longitudinally offers installation card slot, institute
The top left that baffle mechanism is fixedly mounted on supporting table by screw is stated, the baffle mechanism includes rear support semi-ring, preceding branch
Pushing out ring and the top plate being arranged between rear support semi-ring, front support ring, the lower end of the top plate is embedded in installation card slot, described
It is described at the front and rear edges at the bottom end top that is respectively and fixedly installed to supporting table by screw of rear support semi-ring, front support ring
The upper surface Right side support of holding tank has top pillar, and the compression leg is between top pillar, top plate.
Preferably, the antifriction ball is in front-rear side walls and the lower surface that laterally three row patterns are embedded in holding tank inner cavity.
Preferably, the top pillar is identical as the diameter of compression leg, and the distance between the rear support semi-ring, front support ring are greater than
The diameter of top pillar, compression leg.
Preferably, the left side wall of the top pillar is provided with apical ring.
Preferably, the left side wall of the top plate is fixedly connected with stiffener plate, the bottom end of the stiffener plate by screw
It is fixedly connected by screw with the upper surface of supporting table.
Preferably, the right side of the top plate and the left end point of circle where rear support semi-ring, front support ring inner wall are tangent.
Compared with prior art, the beneficial effects of the present invention are:
1) by the setting of top pillar and compression leg so that hold-down mechanism acts directly on top pillar, indirectly-acting on compression leg so that
Compression leg to by test pipe fitting uniform force, avoid the occurrence of local pressure it is excessive and the case where cause test result error；
2) the transversely arranged setting for passing through top plate, top pillar and compression leg, avoids the problem of gravity influences, cooperates making for antifriction ball
With reducing the frictional force between top pillar and compression leg and holding tank, reduce the influence to test；
3) by the support of rear support semi-ring, front support ring to subjects, facilitate pick-and-place and limit assay object transverse shifting
And longitudinal movement.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural schematic diagram of supporting table of the present invention；
Fig. 3 is the structural schematic diagram of top pillar of the present invention；
Fig. 4 is the structural schematic diagram of baffle mechanism of the present invention.
Wherein: 1- supporting table, 2- holding tank, 3- antifriction ball, 4- install card slot, 5- top pillar, 6- compression leg, 7- baffle machine
Structure, 71- rear support semi-ring, 72- front support ring, 73- top plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Embodiment one:
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: polyimide molding part tube body bursting stress experimental rig, packet
Supporting table 1, compression leg 6 and baffle mechanism 7 are included, the upper surface middle part of supporting table 1 laterally offers holding tank 2, the inner wall of holding tank 2
On be uniformly embedded into antifriction ball 3, the left side of the upper surface of supporting table 1 longitudinally offers installation card slot 4, and baffle mechanism 7 passes through
Screw is fixedly mounted on the top left of supporting table 1, and baffle mechanism 7 includes that rear support semi-ring 71, front support ring 72 and setting exist
Top plate 73 between rear support semi-ring 71, front support ring 72, the lower end of top plate 73 are embedded in installation card slot 4, rear support semi-ring
71, the bottom end of front support ring 72 is respectively and fixedly installed at the front and rear edges at the top of supporting table 1 by screw, holding tank 2
Upper surface Right side support has top pillar 5, and compression leg 6 is between top pillar 5, top plate 73.
Embodiment two:
As shown in Figs 1-4, polyimide molding part tube body bursting stress experimental rig, including supporting table 1, compression leg 6 and baffle machine
Structure 7, the upper surface middle part of supporting table 1 laterally offer holding tank 2, antifriction ball 3 have been uniformly embedded on the inner wall of holding tank 2,
The left side of the upper surface of supporting table 1 longitudinally offers installation card slot 4, and baffle mechanism 7 is fixedly mounted on supporting table 1 by screw
Top left, baffle mechanism 7 include rear support semi-ring 71, front support ring 72 and are arranged in rear support semi-ring 71, front support ring 72
Between top plate 73, the lower end of top plate 73 be embedded in installation card slot 4 in, rear support semi-ring 71, front support ring 72 bottom end pass through
Screw is respectively and fixedly installed at the front and rear edges at the top of supporting table 1, and the upper surface Right side support of holding tank 2 has top pillar 5, pressure
Column 6 is between top pillar 5, top plate 73.
Antifriction ball 3 is in front-rear side walls and the lower surface that laterally three row patterns are embedded in 2 inner cavity of holding tank, from three in face of test
Pipe fitting support, top pillar 5 is identical as the diameter of compression leg 6, and the distance between rear support semi-ring 71, front support ring 72 are greater than top pillar 5, pressure
The diameter of column 6 avoids the influence of rear support semi-ring 71, front support ring 72 to 6 transverse shifting of compression leg, the left side wall setting of top pillar 5
There is apical ring, the left side wall of top plate 73 is fixedly connected with stiffener plate by screw, and the bottom end of stiffener plate passes through screw and support
The upper surface of platform 1 is fixedly connected, and plays the role of increasing structural strength, the right side of top plate 73 and rear support semi-ring 71, preceding branch
The left end point of circle is tangent where 72 inner wall of pushing out ring, so that the right side wall of the left side wall and top plate 73 of test pipe fitting is tangent, support effect
Fruit is preferable.
Working principle: electron pressure device (such as electron pressure of ty-yft model is set in the upper surface right end of supporting table 1
Device) so that the engaged test end of electron pressure device and top pillar 5, compression leg 6 are coaxially disposed, test pipe fitting is inserted in rear support
Between semi-ring 71, front support ring 72, rear support semi-ring 71, front support ring 72 install the preceding size selection according to test pipe fitting, electricity
Sub- pressure apparatus pushes at engaged test end on the right side wall of top pillar 5, and top pillar 5 is moved to the left and is pressed under thrust
On the right side wall of column 6, top pillar 5 is plane (contact is steady), the process that top pillar 5, compression leg 6 move to left with the side wall of the contact of compression leg 6
In play the role of reducing friction under the action of antifriction ball 3, until compression leg 6 is crushed pipe fitting is tested, and see in real time
The reading for examining electron pressure device, by reading as test as a result, and according to the quality of test result judgement test pipe fitting.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms；Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
Interior, any reference signs in the claims should not be construed as limiting the involved claims.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of polyimide molding part tube body bursting stress experimental rig, including supporting table (1), compression leg (6) and baffle mechanism
(7), it is characterised in that: the upper surface middle part of the supporting table (1) laterally offers holding tank (2), the holding tank (2) it is interior
It has been uniformly embedded on wall antifriction ball (3), the left side of the upper surface of the supporting table (1) longitudinally offers installation card slot (4), institute
The top left that baffle mechanism (7) is fixedly mounted on supporting table (1) by screw is stated, the baffle mechanism (7) includes rear support
Semi-ring (71), front support ring (72) and the top plate (73) being arranged between rear support semi-ring (71), front support ring (72), the top
The lower end of plate (73) be embedded in installation card slot (4) in, the rear support semi-ring (71), front support ring (72) bottom end pass through screw
It is respectively and fixedly installed at the front and rear edges at the top of supporting table (1), the upper surface Right side support of the holding tank (2) has top pillar
(5), the compression leg (6) is located between top pillar (5), top plate (73).
2. polyimide molding part tube body bursting stress experimental rig according to claim 1, it is characterised in that: described to subtract
Rub ball (3) be in laterally three row patterns be embedded in the front-rear side walls and lower surface of holding tank (2) inner cavity.
3. polyimide molding part tube body bursting stress experimental rig according to claim 1, it is characterised in that: the top
Column (5) is identical as the diameter of compression leg (6), and the distance between the rear support semi-ring (71), front support ring (72) are greater than top pillar
(5), the diameter of compression leg (6).
4. polyimide molding part tube body bursting stress experimental rig according to claim 1, it is characterised in that: the top
The left side wall of column (5) is provided with apical ring.
5. polyimide molding part tube body bursting stress experimental rig according to claim 1, it is characterised in that: the top
The left side wall of plate (73) is fixedly connected with stiffener plate by screw, and the bottom end of the stiffener plate passes through screw and supporting table
(1) upper surface is fixedly connected.
6. polyimide molding part tube body bursting stress experimental rig according to claim 1, it is characterised in that: the top
The right side of plate (73) and the left end point of circle where rear support semi-ring (71), front support ring (72) inner wall are tangent.
7. the application of polyimide molding part tube body bursting stress experimental rig according to claim 1, which is characterized in that
Electron pressure device is set in the upper surface right end of supporting table 1, so that the engaged test end of electron pressure device and top pillar 5, pressure
Column 6 is coaxially disposed, and test pipe fitting is inserted between rear support semi-ring 71, front support ring 72, rear support semi-ring 71, front support ring 72
According to the size selection of test pipe fitting before installation, electron pressure device pushes at engaged test end on the right side wall of top pillar 5, top
Column 5 is moved to the left under thrust and is pressed on the right side wall of compression leg 6, and top pillar 5 is plane with the side wall of the contact of compression leg 6
(contact is steady), top pillar 5, compression leg 6 play the role of reducing friction under the action of antifriction ball 3 during moving to left, until
Compression leg 6 is crushed pipe fitting is tested, and observes the reading of electron pressure device in real time, by reading as test as a result, simultaneously
The quality of test pipe fitting is judged according to test result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811255813.XA CN109142062A (en) | 2018-10-26 | 2018-10-26 | A kind of polyimide molding part tube body bursting stress experimental rig and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811255813.XA CN109142062A (en) | 2018-10-26 | 2018-10-26 | A kind of polyimide molding part tube body bursting stress experimental rig and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109142062A true CN109142062A (en) | 2019-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811255813.XA Pending CN109142062A (en) | 2018-10-26 | 2018-10-26 | A kind of polyimide molding part tube body bursting stress experimental rig and its application |
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| CN (1) | CN109142062A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636386A (en) * | 2012-05-07 | 2012-08-15 | 中国科学院武汉岩土力学研究所 | Large-tonnage uniform distribution concentrated loading system |
| CN104535433A (en) * | 2014-12-31 | 2015-04-22 | 中国石油天然气集团公司 | Full-size pipeline fatigue test operating platform |
| CN204882240U (en) * | 2015-07-15 | 2015-12-16 | 石河子大学 | A test device that is used for test piece to press cutting experiment |
| CN205910086U (en) * | 2016-07-28 | 2017-01-25 | 台州欣荣鞋材科技股份有限公司 | Shoes material paperboard abrasion resistance testing machine |
| CN106872292A (en) * | 2017-03-28 | 2017-06-20 | 山东大学 | A kind of portable geosynthetics comprehensive test instrument |
| CN207908276U (en) * | 2018-03-26 | 2018-09-25 | 江西鸿基管桩有限公司 | A kind of flat push type pile pile beam test device |
| CN208968938U (en) * | 2018-10-26 | 2019-06-11 | 镇江龙成绝缘材料有限公司 | A kind of polyimide molding part tube body bursting stress experimental rig |
-
2018
- 2018-10-26 CN CN201811255813.XA patent/CN109142062A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636386A (en) * | 2012-05-07 | 2012-08-15 | 中国科学院武汉岩土力学研究所 | Large-tonnage uniform distribution concentrated loading system |
| CN104535433A (en) * | 2014-12-31 | 2015-04-22 | 中国石油天然气集团公司 | Full-size pipeline fatigue test operating platform |
| CN204882240U (en) * | 2015-07-15 | 2015-12-16 | 石河子大学 | A test device that is used for test piece to press cutting experiment |
| CN205910086U (en) * | 2016-07-28 | 2017-01-25 | 台州欣荣鞋材科技股份有限公司 | Shoes material paperboard abrasion resistance testing machine |
| CN106872292A (en) * | 2017-03-28 | 2017-06-20 | 山东大学 | A kind of portable geosynthetics comprehensive test instrument |
| CN207908276U (en) * | 2018-03-26 | 2018-09-25 | 江西鸿基管桩有限公司 | A kind of flat push type pile pile beam test device |
| CN208968938U (en) * | 2018-10-26 | 2019-06-11 | 镇江龙成绝缘材料有限公司 | A kind of polyimide molding part tube body bursting stress experimental rig |
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