CN104101545A - Device for measuring flexural rigidity and torsional rigidity of hose - Google Patents
Device for measuring flexural rigidity and torsional rigidity of hose Download PDFInfo
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- CN104101545A CN104101545A CN201410291312.2A CN201410291312A CN104101545A CN 104101545 A CN104101545 A CN 104101545A CN 201410291312 A CN201410291312 A CN 201410291312A CN 104101545 A CN104101545 A CN 104101545A
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- oil cylinder
- stationary shaft
- flexible pipe
- main support
- screw rod
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- 239000002184 metal Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
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- 229920000642 polymer Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The invention relates to a device for measuring flexural rigidity and torsional rigidity of a hose. The device comprises a main support, a fixing shaft support saddle, a fixing shaft, two rotating shaft support saddles, a rotating shaft, a first ear plate, a second ear plate, a first oil cylinder, a movable support saddle, a second oil cylinder, a third ear plate, a fourth ear plate, a third oil cylinder, a rotary crank shaft, two fourth oil cylinders, a first lifting handle, a first rack wheel, a crank shaft and a second lifting handle. According to the device, the oil cylinder for moving the fixing shaft support saddle to facilitate the mounting of the house, the oil cylinder for forcing the hose to vertically bend and the oil cylinders for driving the rotary crank shaft to rotate to enable the hose to be torsional are sequentially arranged, and a function of simultaneously measuring the flexural rigidity and the torsional rigidity of the hose is realized; the device is simple in principle and convenient to operate, and has higher engineering practicality.
Description
Technical field
The present invention relates to a kind of measurement mechanism, particularly about a kind of bending stiffness and torsion rigidity measurer of flexible pipe.
Background technology
Along with the development of hose technology, increasing oilfield development project adopts flexible pipe.Flexible pipe, before application, need first know that its performance thinks that its use provides comparatively foundation reliably, and the cross section property of flexible pipe is a basic parameter of flexible pipe, and rigidity is the basis of cross section physical property, is a key parameter of pipeline applied analysis.But for baroque flexible pipe, theory cannot obtain the accurate data of rigidity.
Flexible pipe is combined by metal and nonmetallic materials, typical hose construction comprises casing play, inner pressuring sealing layer, resistance to compression armor, tension armor and external coating, between every layer, be to transmit load by extruding force, wherein casing play, resistance to compression armor and tension armor are that metal is entwined, inner pressuring sealing layer and external coating are non-metallic layer, are formed by polymer extrusion.Due to software configuration more complicated, simple mechanics formula cannot be considered the interaction between each layer, so need record by test the rigidity of flexible pipe.
The method of test hose bending stiffness is to utilize free beam principle at present, and flexible pipe one end utilizes steel frame limiting displacement, and the other end utilizes loop wheel machine traction steel chain to apply power to flexible pipe, connects interpolation sensor at steel, measures pulling force and distortion.Use the method measurement to have following shortcoming: the one, measuring accuracy is low, and loop wheel machine, by unstable after steel chain reinforcing, cause the data of sensor to change, and variation range is larger always, thus it is inaccurate definite to cause measuring structure; The 2nd, while measurement, there is no an erection joint, flexible pipe is by joint power transmission, if do not consider that joint cannot consider the interaction between each layer, so stiffness measurement value is also forbidden.
The method of test hose torsional rigidity is that flexible pipe one end that joint is installed is fixed at present, welded steel beam on other end joint, other end reinforcing by crane at girder steel, this power passes to and on flexible pipe, is moment of torsion, placement sensor dynamometry on the draught line of crane, on girder steel, arrange the position of sense sensor measurement girder steel, thereby release the windup-degree of flexible pipe, calculate the torsional rigidity of flexible pipe by power and windup-degree.The shortcoming of this test method is that measuring accuracy is low, the one, because the power of crane is unstable; The 2nd, due to the rigidity of joint and the rigidity of flexible pipe inconsistent, so the windup-degree of girder steel cannot accurately reflect the windup-degree of flexible pipe.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of measurement bending stiffness and torsion rigidity measurer of flexible pipe accurately.
For achieving the above object, the present invention by the following technical solutions: a kind of bending stiffness of flexible pipe and torsion rigidity measurer, it is characterized in that, it comprises: a main support; One is slidably connected at the stationary shaft bearing at top, described main support one end; One is fastenedly connected the stationary shaft on described stationary shaft bearing; Two intervals are fastenedly connected the rotation axis support at described main support other end top; One is rotatably connected on the turning axle on rotation axis support described in two; One is arranged on the first otic placode that described main support is distolateral and stretch out downwards; One is arranged on the second otic placode of described stationary shaft rest base; One connects the first oil cylinder of described the first otic placode and described the second otic placode; One is slidably connected at the mobile support saddle at the top at described main support middle part; One is fastenedly connected the second oil cylinder on described mobile support saddle and vertically upward; The one third ear plate that is arranged on described mobile support saddle bottom and stretches out downwards; One is arranged on the 4th otic placode of described main support bottom; One connects the 3rd oil cylinder of described third ear plate and described the 4th otic placode; One at the rotary crank between rotation axis support described in two; Two connect respectively the 4th oil cylinder of one end and the described main support bottom of described rotary crank; One is arranged on described selection crank top and the first handle moving up and down; One fixing sleeve be connected on described the first handle the first ratchet on just right turning axle; One is fastenedly connected the crank in one side of rotation axis support described in; One is arranged on second handle on described crank top; And one fixing sleeve be connected on described the second handle the second ratchet on just right turning axle; Wherein, described stationary shaft and described turning axle have coaxial relation, described the first oil cylinder is parallel to the axis of described stationary shaft, the output terminal extended line of described the second oil cylinder and the intersect vertical axis of described stationary shaft, and described the 3rd oil cylinder is parallel to the axis of described stationary shaft.
On described stationary shaft and turning axle, be respectively arranged with one or more compensate openings.
Being connected between described the 4th oil cylinder and the bottom of described main support is hinged.
Described the first handle is screw rod, and the fastening nuts coordinating with described screw rod is connected to the top of described rotary crank, when rotation is when described screw rod, moves or moves down to prop up or unclamp described the first ratchet on described screw rod.
Described the second handle is screw rod, and the fastening nuts coordinating with described screw rod is connected to the top of described crank, when rotation is when described screw rod, moves or moves down to prop up or unclamp described the second ratchet on described screw rod.
The present invention is owing to taking above technical scheme, it has the following advantages: thus 1, the present invention set gradually be useful on mobile stationary shaft bearing so that install flexible pipe oil cylinder, force flexible pipe occur vertical bending oil cylinder and drive rotary crank rotate the oil cylinder that flexible pipe is twisted, realized the function of simultaneously measuring hose bending rigidity and torsional rigidity.2, the present invention utilizes oil cylinder to implement ballast, makes loaded load more stable, and simultaneously load can fixed load after adding, is convenient to the record in measuring process, and measured rigidity is more accurate.3, simple, the simple operation of the principle of the invention, has stronger engineering practicability.
Brief description of the drawings
Fig. 1 is the main schematic diagram of looking of the present invention;
Fig. 2 is schematic side view of the present invention;
Fig. 3 is schematic top plan view of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figures 1 to 3, the present invention includes a main support 1, connect a stationary shaft bearing 2 in the top slide of main support 1 one end, tighten and connect a stationary shaft 3 at stationary shaft bearing 2, be fastenedly connected two spaced apart rotation axis supports 4 at the top of main support 1 other end, two rotation axis supports 4 are rotationally connected a turning axle 5, and stationary shaft 3 has coaxial relation with turning axle 5.The bottom of stationary shaft bearing 2 is provided with an otic placode 2-1 who stretches out downwards, and the distolateral otic placode 1-1 who stretches out downwards that is provided with of main support 1, connects by an oil cylinder 6 between two otic placode 1-1,2-1, and oil cylinder 6 is parallel to the axis of stationary shaft 3.Connect a mobile support saddle 7 in the top slide at main support 1 middle part, mobile support saddle 7 tightens connection one oil cylinder 8, the output terminal extended line of oil cylinder 8 and the intersect vertical axis of stationary shaft 3 vertically upward.The bottom of mobile support saddle 7 is provided with an otic placode 7-1 who stretches out downwards, and the otic placode 1-2 that otic placode 7-1 is arranged on main support 1 bottom by an oil cylinder 9 and is connected, and oil cylinder 9 is parallel to the axis of stationary shaft 3.The present invention also comprises a rotary crank 10 between two rotation axis supports 4, and the two ends of rotary crank 10 connect respectively the bottom of main support 1 by an oil cylinder 11, a handle 12 moving up and down is set at the top of rotary crank 10.Tighten socket one ratchet 13 at 12 just right turning axles 5 of handle, in the time that handle 12 moves down, can closely prop up ratchet 13.Be fastenedly connected a crank 14 in a side of a rotation axis support 4, the top of crank 14 is provided with a handle 15 moving up and down, tightens another ratchet 16 of socket at 15 just right turning axles 5 of handle.
In above-described embodiment, be respectively arranged with one or more compensate openings 17 on stationary shaft 3 and turning axle 5, compensate opening 17 is for being connected between stationary shaft 3, turning axle 5 and flexible pipe 18.
In above-described embodiment, being connected between oil cylinder 11 and the bottom of main support 1 adopts hinged.
In above-described embodiment, handle 12,15 can specifically adopt screw rod, and the fastening nuts coordinating with screw rod is connected to the top of rotary crank 10 or crank 14, in the time of rotary screw, can make screw rod move down or on move, to prop up or unclamp ratchet 13,16.
Use the present invention measures the bending stiffness of flexible pipe and the method for torsional rigidity is as follows:
(1) while using the present invention to measure the bending stiffness of flexible pipe, first by oil cylinder 6, stationary shaft bearing 2 is outwards shifted out, then flexible pipe 18 one end that are L by length are arranged on turning axle 5 and (utilize latch to be inserted on the compensate opening 17 of turning axle), then by oil cylinder 6, stationary shaft bearing 2 is moved inward, after stationary shaft 3 contacts with flexible pipe 18 joints, make both connect (utilizing bearing pin to be inserted on the compensate opening 17 of stationary shaft 3); Recycling oil cylinder 9 promotes mobile support saddle 7, make oil cylinder 8 move to the position of the L/2 of flexible pipe 18, by oil cylinder 8 jacking flexible pipes 18, in jacking process, record the pressure P of oil cylinder 8 and the displacement y of flexible pipe 18, after off-test, by the displacement y of the internal diameter R of oil cylinder 8 and the pressure P of oil cylinder 8 and flexible pipe 18, calculate hose bending rigidity EI=π R
2pL
3/ (48y).
(2) use the present invention while measuring the torsional rigidity of flexible pipe, first on flexible pipe 18, draw an axial call wire, then utilize the method same with () that flexible pipe 18 is in place, then handle 12 is moved down closely prop up ratchet 13.While measuring clockwise torsional rigidity, utilize oil cylinder 11 to promote rotary crank 10, thereby rotary crank 10 drives ratchet 13 to rotate flexible pipe 18 is loaded to moment of torsion, in the time being loaded into specified torque T, stop loading, now make handle 15 move down and closely prop up ratchet 16 with permanent twist power, measure the now rotational angle theta of call wire, after having measured, mention handle 15 moment of torsion is let out and carried, then calculate torsional rigidity GI
p=TL/ θ.Then make to use the same method and can measure counterclockwise torsional rigidity.
The present invention only describes with above-described embodiment, and structure, setting position and the connection thereof of each parts all can change to some extent.On the basis of technical solution of the present invention, all improvement of indivedual parts being carried out according to the principle of the invention or equivalents, all should not get rid of outside protection scope of the present invention.
Claims (6)
1. the bending stiffness of flexible pipe and a torsion rigidity measurer, is characterized in that, it comprises:
One main support;
One is slidably connected at the stationary shaft bearing at top, described main support one end;
One is fastenedly connected the stationary shaft on described stationary shaft bearing;
Two intervals are fastenedly connected the rotation axis support at described main support other end top;
One is rotatably connected on the turning axle on rotation axis support described in two;
One is arranged on the first otic placode that described main support is distolateral and stretch out downwards;
One is arranged on the second otic placode of described stationary shaft rest base;
One connects the first oil cylinder of described the first otic placode and described the second otic placode;
One is slidably connected at the mobile support saddle at the top at described main support middle part;
One is fastenedly connected the second oil cylinder on described mobile support saddle and vertically upward;
The one third ear plate that is arranged on described mobile support saddle bottom and stretches out downwards;
One is arranged on the 4th otic placode of described main support bottom;
One connects the 3rd oil cylinder of described third ear plate and described the 4th otic placode;
One at the rotary crank between rotation axis support described in two;
Two connect respectively the 4th oil cylinder of one end and the described main support bottom of described rotary crank;
One is arranged on described selection crank top and the first handle moving up and down;
One fixing sleeve be connected on described the first handle the first ratchet on just right turning axle;
One is fastenedly connected the crank in one side of rotation axis support described in;
One is arranged on second handle on described crank top; And
One fixing sleeve be connected on described the second handle the second ratchet on just right turning axle;
Wherein, described stationary shaft and described turning axle have coaxial relation, described the first oil cylinder is parallel to the axis of described stationary shaft, the output terminal extended line of described the second oil cylinder and the intersect vertical axis of described stationary shaft, and described the 3rd oil cylinder is parallel to the axis of described stationary shaft.
2. the bending stiffness of a kind of flexible pipe as claimed in claim 1 and torsion rigidity measurer, is characterized in that, is respectively arranged with one or more compensate openings on described stationary shaft and turning axle.
3. the bending stiffness of a kind of flexible pipe as claimed in claim 1 and torsion rigidity measurer, is characterized in that, being connected between described the 4th oil cylinder and the bottom of described main support is hinged.
4. the bending stiffness of a kind of flexible pipe as claimed in claim 2 and torsion rigidity measurer, is characterized in that, being connected between described the 4th oil cylinder and the bottom of described main support is hinged.
5. bending stiffness and the torsion rigidity measurer of a kind of flexible pipe as claimed in claim 1 or 2 or 3 or 4, it is characterized in that, described the first handle is screw rod, the fastening nuts coordinating with described screw rod is connected to the top of described rotary crank, when rotation is when described screw rod, on described screw rod, move or move down to prop up or unclamp described the first ratchet.
6. bending stiffness and the torsion rigidity measurer of a kind of flexible pipe as claimed in claim 1 or 2 or 3 or 4, it is characterized in that, described the second handle is screw rod, the fastening nuts coordinating with described screw rod is connected to the top of described crank, when rotation is when described screw rod, on described screw rod, move or move down to prop up or unclamp described the second ratchet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410291312.2A CN104101545B (en) | 2014-06-25 | 2014-06-25 | The bending stiffness of a kind of flexible pipe and torsion rigidity measurer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410291312.2A CN104101545B (en) | 2014-06-25 | 2014-06-25 | The bending stiffness of a kind of flexible pipe and torsion rigidity measurer |
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| Publication Number | Publication Date |
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| CN104101545A true CN104101545A (en) | 2014-10-15 |
| CN104101545B CN104101545B (en) | 2016-08-24 |
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|---|---|---|---|---|
| CN104677732A (en) * | 2015-03-04 | 2015-06-03 | 中国石油化工股份有限公司 | Bending property test fixture for thermoplastic plastic pipe |
| CN105277449A (en) * | 2015-11-09 | 2016-01-27 | 上海核工程研究设计院 | Metal hose torsional rigidity measuring device |
| CN105300814A (en) * | 2015-11-11 | 2016-02-03 | 武汉网锐实验室（信息产业光通信产品质量监督检验中心） | Device and method used for bending and torsion tests of optical cable connector box |
| CN105953712A (en) * | 2016-05-04 | 2016-09-21 | 上海工程技术大学 | Shaft-like member loading deformation testing device and testing method |
| CN106092767A (en) * | 2016-06-17 | 2016-11-09 | 西北工业大学 | The measurement apparatus of a kind of defeated stream hose bending rigidity and measuring method |
| CN106092751A (en) * | 2016-06-24 | 2016-11-09 | 江苏蓝潮海洋风电工程建设有限公司 | A kind of high-pressure hose fatigue machine |
| JP2017026333A (en) * | 2015-07-16 | 2017-02-02 | 芦森工業株式会社 | Metal fitting for use at hose end in hydraulic pressure testing of hoses |
| CN106950167A (en) * | 2017-04-18 | 2017-07-14 | 天津大学 | Full-scale Ocean Oil And Gas Pipeline stress etching experiment method |
| CN107515160A (en) * | 2016-06-16 | 2017-12-26 | 中国科学院沈阳计算技术研究所有限公司 | Extra large oil pipe dynamic test set electrical system and method for testing based on PLC controls |
| CN107515164A (en) * | 2016-06-16 | 2017-12-26 | 三橡股份有限公司 | The dynamic test equipment and its method of testing of a kind of rubber tubing |
| CN107655766A (en) * | 2017-11-14 | 2018-02-02 | 湖北合强机械发展股份有限公司 | Pipe fitting reverses test machine |
| CN107764540A (en) * | 2017-11-24 | 2018-03-06 | 航天科工哈尔滨风华有限公司 | A kind of torsion bar spring residual deformation angle test device |
| CN108225947A (en) * | 2016-12-15 | 2018-06-29 | 北京信邦同安电子有限公司 | Cable flexility test machine |
| CN108225953A (en) * | 2018-03-08 | 2018-06-29 | 陕西科技大学 | A kind of cold flex test platform based on oil pipeline |
| CN108519299A (en) * | 2018-03-08 | 2018-09-11 | 陕西科技大学 | A kind of removable cold flex test platform based on oil pipeline |
| CN108844701A (en) * | 2018-06-05 | 2018-11-20 | 陕西科技大学 | Space bending test platform based on oil pipeline |
| CN109238874A (en) * | 2018-09-24 | 2019-01-18 | 天津市百瑞泰管业股份有限公司 | A kind of multi-functional metal hose measurer for curve rigid |
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| JP2017026333A (en) * | 2015-07-16 | 2017-02-02 | 芦森工業株式会社 | Metal fitting for use at hose end in hydraulic pressure testing of hoses |
| CN105277449A (en) * | 2015-11-09 | 2016-01-27 | 上海核工程研究设计院 | Metal hose torsional rigidity measuring device |
| CN105300814A (en) * | 2015-11-11 | 2016-02-03 | 武汉网锐实验室（信息产业光通信产品质量监督检验中心） | Device and method used for bending and torsion tests of optical cable connector box |
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| CN107515160B (en) * | 2016-06-16 | 2019-09-24 | 中国科学院沈阳计算技术研究所有限公司 | Extra large oil pipe dynamic test set electrical system and test method based on PLC control |
| CN107515164B (en) * | 2016-06-16 | 2024-06-11 | 三橡股份有限公司 | Dynamic test equipment and test method for rubber pipeline |
| CN106092767A (en) * | 2016-06-17 | 2016-11-09 | 西北工业大学 | The measurement apparatus of a kind of defeated stream hose bending rigidity and measuring method |
| CN106092767B (en) * | 2016-06-17 | 2018-08-07 | 西北工业大学 | A kind of measuring device and measuring method of defeated stream hose bending rigidity |
| CN106092751A (en) * | 2016-06-24 | 2016-11-09 | 江苏蓝潮海洋风电工程建设有限公司 | A kind of high-pressure hose fatigue machine |
| CN108225947A (en) * | 2016-12-15 | 2018-06-29 | 北京信邦同安电子有限公司 | Cable flexility test machine |
| CN106950167A (en) * | 2017-04-18 | 2017-07-14 | 天津大学 | Full-scale Ocean Oil And Gas Pipeline stress etching experiment method |
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| CN107764540A (en) * | 2017-11-24 | 2018-03-06 | 航天科工哈尔滨风华有限公司 | A kind of torsion bar spring residual deformation angle test device |
| CN107764540B (en) * | 2017-11-24 | 2024-01-23 | 航天科工哈尔滨风华有限公司 | Torsion bar spring residual deformation angle testing device |
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| CN117388073B (en) * | 2023-12-12 | 2024-02-20 | 山东博硕环保机械设备有限公司 | Industrial explosion-proof dust collector telescopic pipe strength detection equipment |
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