CN108982210A - A kind of spherical aligning pressure torsional test machine clamp - Google Patents
A kind of spherical aligning pressure torsional test machine clamp Download PDFInfo
- Publication number
- CN108982210A CN108982210A CN201811013041.9A CN201811013041A CN108982210A CN 108982210 A CN108982210 A CN 108982210A CN 201811013041 A CN201811013041 A CN 201811013041A CN 108982210 A CN108982210 A CN 108982210A
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- China
- Prior art keywords
- spherical surface
- bulb
- torque arm
- pressure
- fixing piece
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000010146 3D printing Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding 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
- G01N3/02—Details
- G01N3/04—Chucks
-
- 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
- G01N2203/0021—Torsional
-
- 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
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
Abstract
The invention discloses a kind of spherical alignings to press torsional test machine clamp, belongs to testing machine field.Sensor is turned round including pressure, the pressure is turned round sensor upper end and is fixedly connected with fixing piece one, the pressure is turned round sensor lower end and is fixedly connected with the first spherical surface platen, the first spherical surface platen lower end is equipped with the first concave spherical surface, the first spherical surface platen lower end is equipped with the first rectangular channel, first concave spherical surface is provided with bulb, first rectangular channel is provided with the first torque arm, first torque arm passes through bulb, the bulb lower end is mounted in the second concave spherical surface of the second spherical surface platen, the second spherical surface platen upper end is equipped with the second rectangular channel, second rectangular channel is provided with the second torque arm, second torque arm passes through bulb, the second spherical surface platen lower end is against sample upper end, the sample lower end is against two upper end of fixing piece, at least one loading end between the fixing piece one and the fixing piece two.
Description
Technical field
The present invention relates to testing machine fields more particularly to a kind of spherical aligning to press torsional test machine clamp.
Background technique
Some components need while bearing extraneous pressure and torque in engineering structure, need to examine on pressure torsional test machine
Mechanical property when testing it while bearing pressure and torque.To guarantee measuring accuracy, the basic demand to compression test is will to try
Two plane machinings need trying using spherical structure at parallel sample for that cannot be processed into test specimen parallel up and down up and down
One in two, sample reinforcing ends uses spherical structure, keeps sample center of effort line and sensor axially coincident, improves measurement essence
Degree also functions to the effect of protection sensor.
And in pressure torsional test, sample bears pressure and torque simultaneously, since spherical surface does not constrain rotation, common spherical surface pressure head
Pressure can only be applied to sample, sample cannot be applied and be unable to torque.
Summary of the invention
Of the invention proposes a kind of spherical aligning pressure torsional test machine clamp, is guaranteeing the same of transmitting torque when compressing sample
When, angle between adjustment platen and shaft, i.e. angle between two platen compressing surfaces can be adjusted in arbitrary orientation vertical with torsional axis
Degree, solves the problems, such as this long-term existence, improves the accuracy of test result.
To achieve the goals above, present invention employs following technical solutions:
A kind of spherical aligning pressure torsional test machine clamp, including pressure turn round sensor, and the pressure turns round sensor upper end and fixing piece
One is fixedly connected, and the pressure is turned round sensor lower end and is fixedly connected with the first spherical surface platen, and the first spherical surface platen lower end is equipped with
First concave spherical surface, the first spherical surface platen lower end are equipped with the first rectangular channel, and first concave spherical surface is provided with bulb, and described the
One rectangular channel is provided with the first torque arm, and first torque arm passes through bulb, and the bulb lower end is mounted on the second spherical surface pressure
In second concave spherical surface of disk, the second spherical surface platen upper end is equipped with the second rectangular channel, and second rectangular channel is provided with second
Torque arm, second torque arm pass through bulb, and the second spherical surface platen lower end is against sample upper end, and the sample lower end is supported
At least one loading end between two upper end of fixing piece, the fixing piece one and the fixing piece two.
Further, the diameter of the first concave spherical surface of the first spherical surface platen, the second spherical surface platen it is second recessed
The diameter of spherical surface is consistent with the diameter of bulb.
Further, the depth of the first concave spherical surface of the first spherical surface platen, the second spherical surface platen the second concave spherical surface
Depth dimensions be respectively less than the radius of bulb.
Further, bulb horizontal median axis upper end is equipped with first hole, and first torque arm passes through described the
One square hole, bulb horizontal median axis upper end are equipped with second hole, and second torque arm passes through the second hole, described
The axis of first hole and the axis of the second hole are mutually perpendicular to.
Further, the first rectangular channel of first torque arm and the first spherical surface platen rectangular channel depth direction there are
First gap.
Further, the second rectangular channel slot of second torque arm and the second spherical surface platen is stayed in rectangular channel depth direction
Second gap.
Further, the pressure is turned round sensor upper end and is fixedly connected by the first screw with fixing piece one.
Further, the fixing piece one and pressure, which are turned round, is equipped with the first locating piece between sensor.
Further, the pressure is turned round sensor lower end and is fixedly connected by the second screw with fixing piece two.
Further, the fixing piece two and pressure, which are turned round, is equipped with the second locating piece between sensor.
Usefulness: the present invention can apply pressure and torque to sample simultaneously, adjust angle between platen and shaft, micro-
Adjust the angle of fixture and sample contacts face, elimination because sample both ends it is not parallel caused by measurement error, and protect sensor.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the right view of present invention downside;
Fig. 3 is the schematic cross-sectional view of the A-A in Fig. 1 of the present invention;
Fig. 4 is the schematic cross-sectional view of the B-B in Fig. 1 of the present invention;
Fig. 5 is the structural schematic diagram of the bulb in Fig. 1 of the present invention.
In figure: 1 fixing piece one, 2 first locating pieces, 3 first screws, 4 pressures turn round sensor, 5 second screws, 6 second positioning
Part, 7 first spherical surface platens, 8 first torque arms, 9 bulbs, 10 second torque arms, 11 second spherical surface platens, 12 samples, 13 is fixed
Part two.
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.
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 1:
Referring to Fig.1-4, a kind of spherical aligning presses torsional test machine clamp, including pressure to turn round sensor 4, and the pressure turns round sensor 4
Upper end is fixedly connected with fixing piece 1, and the pressure is turned round 4 lower end of sensor and is fixedly connected with the first spherical surface platen 7, first ball
7 lower end of face pressure disk is equipped with the first concave spherical surface, and 7 lower end of the first spherical surface platen is equipped with the first rectangular channel, first concave spherical surface
It is provided with bulb 9, first rectangular channel is provided with the first torque arm 8, and first torque arm 8 passes through bulb 9, the bulb
9 lower ends are mounted in the second concave spherical surface of the second spherical surface platen 11, and 11 upper end of the second spherical surface platen is equipped with the second rectangular channel,
Second rectangular channel is provided with the second torque arm 10, and second torque arm 10 passes through bulb 9, the second spherical surface platen 11
Lower end is against 12 upper end of sample, and 12 lower end of sample is against 2 13 upper end of fixing piece, the fixing piece 1 and the fixing piece
At least one loading end between 2 13.Diameter, the second spherical surface platen of first concave spherical surface of the first spherical surface platen 7
The diameter of 11 the second concave spherical surface is consistent with the diameter of bulb 9.The depth of first concave spherical surface of the first spherical surface platen 7,
The depth dimensions of second concave spherical surface of the second spherical surface platen 11 are respectively less than the radius of bulb 9.The 9 horizontal median axis upper end of bulb
Equipped with first hole, first torque arm 8 passes through the first hole, and the 9 horizontal median axis upper end of bulb is equipped with second
Square hole, second torque arm 10 pass through the second hole, the axis of the axis of the first hole and the second hole
It is mutually perpendicular to.There are between first in rectangular channel depth direction for first rectangular channel of first torque arm 8 and the first spherical surface platen 7
Gap.Second rectangular channel slot of second torque arm 10 and the second spherical surface platen 11 stays the second gap in rectangular channel depth direction.
The pressure is turned round 4 upper end of sensor and is fixedly connected by the first screw 3 with fixing piece 1.The fixing piece 1 turns round sensor with pressure
The first locating piece 2 is equipped between 4.The pressure is turned round 4 lower end of sensor and is fixedly connected by the second screw 5 with fixing piece 2 13.Institute
It states fixing piece 2 13 and pressure is turned round and is equipped with the second locating piece 6 between sensor 4.
Pressure turns round sensor 4, the first locating piece 2 and the second locating piece 6, guarantees that pressure turns round the axis and fixing piece 1 of sensor 4
And first spherical surface press 7 axis be overlapped.Pressure is turned round 4 both ends of sensor and fixing piece 1 and first respectively by the first screw 33 and the 2nd 5
Spherical surface platen 7 tightens together.Sample 12 is placed between the second spherical surface platen 11 and fixing piece 2 13, fixing piece 1 and fixation
At least one in part 2 13 is loading end.
During this test attaches, the concave spherical surface of the first spherical surface platen 7 and the second spherical surface platen 11 wraps up on bulb 9 simultaneously, and three
Person's diameter is identical, two spherical surfaces can the opposite sliding between bulb 9, the first spherical surface platen 7 and the second spherical surface platen 11 it is recessed
Land portions depth dimensions are respectively less than in 9 radius of bulb, therefore the first spherical surface platen 7 and the second spherical surface platen 11 can be tight simultaneously
On close package bulb 9, and allow to relatively rotate by a certain angle.
It, cannot be around torsion between the first spherical surface platen 7 and the second spherical surface platen 11 in order to apply torsion moment on testpieces
Axis rotation, therefore be provided with the first torque arm 8 and the second torque arm 10 in this folder and transmit torque, the two is mutually in 90 °, intersection or
It is staggeredly inserted through on bulb 9 in orthogonal hole, and fixed thereto, prevents from falling off in operational process.First torque arm 8
The part for stretching out bulb 9 is slidably matched with the slot on the first spherical surface platen 7, and the second torque arm 10 stretches out the part and the of bulb 9
Slot on two spherical surface platens 11 is slidably matched, due to having reserved between first between the first torque arm 8 and the first spherical surface platen 7
Gap, and due to all having reserved the second gap, the first spherical surface pressure between the second torque arm 10 and the second spherical surface platen 11
Disk 7 and the second spherical surface platen 11 can be unfettered along relatively rotating certain angle between torque arm direction and spherical surface.
And two torque arms are orthogonal, so the first spherical surface platen 7, bulb 9 and 11 three of the second spherical surface platen relatively rotate
Overlay realize the pressure-bearing plane of the second spherical surface platen 11 relative to the angle between 7 pressure-bearing plane of the first spherical surface platen
It can be adjusted with arbitrary orientation.The angle between the pressure-bearing plane and fixing piece 2 13 of the second spherical surface platen 11 is namely had adjusted,
It is in close contact the pressure-bearing plane of the second spherical surface platen 11 and the pressure-bearing surface of fixing piece 2 13 and sample 12, this structure can be with
Greatly improve the accuracy of test result.
Embodiment 2:
Using the scheme of embodiment 1, as shown in Fig. 2, the first torque arm 8 and the second torque arm 10 staggeredly and with 90 ° press from both sides
Angle be inserted into bulb 9 upper and lower hemispheres square hole in, can with screw, be interference fitted, the mode of being bonded or welded is fixed together,
Rectangular channel is opened on first spherical surface platen 7 and the second spherical surface platen 11, there are gap a between rectangular channel depth direction and torque arm,
Allow to rotate between spherical surface and bulb 9 along torque arm direction, torque rod constrains the spaced winding torque axis phase of spherical surface platen and bulb 9
To rotation, the first torque arm 8 and 10 position of center line of the second torque arm are mutually perpendicular to interlock, but not in the same plane.
Embodiment 3: using embodiment 1 or the scheme of embodiment 2, slightly has difference with embodiment 1 or embodiment 2, first turns round
The center line of power bar 8 and the second torque arm 10 is orthogonal to intersect in the same plane, and orthogonal two in bulb 9
A diametrical direction.
Embodiment 4: using the scheme with embodiment 1, embodiment 2 or embodiment 3, the first torque arm 8 or the second torque arm
10 sections are round, non-circular curve profile or polygon.
Embodiment 5: it uses and embodiment one, embodiment 2, the scheme of 3 embodiment 4 of embodiment, the first torque arm 8 and second
It can be made into using modes such as casting, machining, 3D printing, elastic conjunction, bonding, welding between torque arm 10 and bulb 9
One entirety.
Embodiment 6;Bearing can be increased in various embodiments above, make spherical surface platen and bulb 9 and the first torque arm 8 and
It is rotated between second torque arm 10 more flexible.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of spherical aligning presses torsional test machine clamp, it is characterised in that: turn round sensor including pressure, the pressure turns round sensor upper end
It is fixedly connected with fixing piece one, the pressure is turned round sensor lower end and is fixedly connected with the first spherical surface platen, the first spherical surface platen
Lower end is equipped with the first concave spherical surface, and the first spherical surface platen lower end is equipped with the first rectangular channel, and first concave spherical surface is provided with ball
Head, first rectangular channel are provided with the first torque arm, and first torque arm passes through bulb, and the bulb lower end is mounted on the
In second concave spherical surface of two spherical surface platens, the second spherical surface platen upper end is equipped with the second rectangular channel, in second rectangular channel
Equipped with the second torque arm, second torque arm passes through bulb, and the second spherical surface platen lower end is against sample upper end, the examination
Sample lower end is against two upper end of fixing piece, at least one loading end between the fixing piece one and the fixing piece two.
2. a kind of spherical aligning according to claim 1 presses torsional test machine clamp, which is characterized in that the first spherical surface pressure
The diameter of first concave spherical surface of disk, the second spherical surface platen the second concave spherical surface diameter it is consistent with the diameter of bulb.
3. a kind of spherical aligning according to claim 1 presses torsional test machine clamp, which is characterized in that the first spherical surface pressure
The depth of first concave spherical surface of disk, the second spherical surface platen the depth dimensions of the second concave spherical surface be respectively less than the radius of bulb.
4. a kind of spherical aligning according to claim 1 presses torsional test machine clamp, which is characterized in that in the bulb level
Axis upper end is equipped with first hole, and first torque arm passes through the first hole, and bulb horizontal median axis upper end is set
There is second hole, second torque arm passes through the second hole, the axis of the first hole and the second hole
Axis is mutually perpendicular to.
5. a kind of spherical aligning according to claim 1 presses torsional test machine clamp, which is characterized in that first torque arm
In rectangular channel depth direction, there are the first gaps with the first rectangular channel of the first spherical surface platen.
6. a kind of spherical aligning according to claim 1 presses torsional test machine clamp, which is characterized in that second torque arm
The second gap is stayed in rectangular channel depth direction with the second rectangular channel slot of the second spherical surface platen.
7. a kind of spherical aligning according to claim 1 presses torsional test machine clamp, which is characterized in that the pressure turns round sensor
Upper end is fixedly connected by the first screw with fixing piece one.
8. a kind of spherical aligning according to claim 1 presses torsional test machine clamp, which is characterized in that the fixing piece one with
Pressure, which is turned round, is equipped with the first locating piece between sensor.
9. a kind of spherical aligning according to claim 1 presses torsional test machine clamp, which is characterized in that the pressure turns round sensor
Lower end is fixedly connected by the second screw with fixing piece two.
10. a kind of spherical aligning according to claim 1 presses torsional test machine clamp, which is characterized in that the fixing piece two
It is turned round with pressure and is equipped with the second locating piece between sensor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811013041.9A CN108982210A (en) | 2018-08-31 | 2018-08-31 | A kind of spherical aligning pressure torsional test machine clamp |
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CN201811013041.9A CN108982210A (en) | 2018-08-31 | 2018-08-31 | A kind of spherical aligning pressure torsional test machine clamp |
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CN201811013041.9A Pending CN108982210A (en) | 2018-08-31 | 2018-08-31 | A kind of spherical aligning pressure torsional test machine clamp |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109855955A (en) * | 2018-12-21 | 2019-06-07 | 浙江零跑科技有限公司 | A kind of automobile body-in-white torsion test fixture and its application method |
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US4928532A (en) * | 1989-05-23 | 1990-05-29 | The United States Of America As Represented By The United States Department Of Energy | Hydrostatic self-aligning axial/torsional mechanism |
JPH04106452A (en) * | 1990-08-28 | 1992-04-08 | Matsushita Electric Works Ltd | Testing apparatus of combined load |
JPH0861356A (en) * | 1994-08-24 | 1996-03-08 | Otix:Kk | Manufacture of ball joint structure body and assembly adjusting device |
FR2841652A1 (en) * | 2002-06-28 | 2004-01-02 | Inst Francais Du Petrole | Equipment for testing standard specimen in combined tension/compression and torsion, comprises two cylindrical elements fixed to the specimen ends and means to produce relative rotation between them |
RU42655U1 (en) * | 2004-07-05 | 2004-12-10 | Открытое акционерное общество "Пермский моторный завод" | DEVICE FOR INDEPENDENT TORQUE AND AXIAL LOAD MEASUREMENT |
JP2006009941A (en) * | 2004-06-25 | 2006-01-12 | Yoshinobu Wada | Function-separated universal coupling |
CN2932366Y (en) * | 2006-08-09 | 2007-08-08 | 中国包装科研测试中心 | Steel tank pressure-resistant tester |
RU2455630C1 (en) * | 2010-12-23 | 2012-07-10 | Закрытое акционерное общество "Перспектива" | Device for determining molecular component of coefficient of friction |
CN106018059A (en) * | 2016-05-23 | 2016-10-12 | 中国矿业大学 | Test device and method applicable to rock and capable of realizing principal stress axis rotation |
CN209102505U (en) * | 2018-08-31 | 2019-07-12 | 北京众晟华业科技有限责任公司 | A kind of spherical aligning pressure torsional test machine clamp |
-
2018
- 2018-08-31 CN CN201811013041.9A patent/CN108982210A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4928532A (en) * | 1989-05-23 | 1990-05-29 | The United States Of America As Represented By The United States Department Of Energy | Hydrostatic self-aligning axial/torsional mechanism |
JPH04106452A (en) * | 1990-08-28 | 1992-04-08 | Matsushita Electric Works Ltd | Testing apparatus of combined load |
JPH0861356A (en) * | 1994-08-24 | 1996-03-08 | Otix:Kk | Manufacture of ball joint structure body and assembly adjusting device |
FR2841652A1 (en) * | 2002-06-28 | 2004-01-02 | Inst Francais Du Petrole | Equipment for testing standard specimen in combined tension/compression and torsion, comprises two cylindrical elements fixed to the specimen ends and means to produce relative rotation between them |
JP2006009941A (en) * | 2004-06-25 | 2006-01-12 | Yoshinobu Wada | Function-separated universal coupling |
RU42655U1 (en) * | 2004-07-05 | 2004-12-10 | Открытое акционерное общество "Пермский моторный завод" | DEVICE FOR INDEPENDENT TORQUE AND AXIAL LOAD MEASUREMENT |
CN2932366Y (en) * | 2006-08-09 | 2007-08-08 | 中国包装科研测试中心 | Steel tank pressure-resistant tester |
RU2455630C1 (en) * | 2010-12-23 | 2012-07-10 | Закрытое акционерное общество "Перспектива" | Device for determining molecular component of coefficient of friction |
CN106018059A (en) * | 2016-05-23 | 2016-10-12 | 中国矿业大学 | Test device and method applicable to rock and capable of realizing principal stress axis rotation |
CN209102505U (en) * | 2018-08-31 | 2019-07-12 | 北京众晟华业科技有限责任公司 | A kind of spherical aligning pressure torsional test machine clamp |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109855955A (en) * | 2018-12-21 | 2019-06-07 | 浙江零跑科技有限公司 | A kind of automobile body-in-white torsion test fixture and its application method |
CN109855955B (en) * | 2018-12-21 | 2021-05-11 | 浙江零跑科技有限公司 | Automobile body-in-white torsion test fixture and use method thereof |
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