CN203965260U - The bending stiffness of flexible pipe and torsion rigidity measurer - Google Patents
The bending stiffness of flexible pipe and torsion rigidity measurer Download PDFInfo
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- CN203965260U CN203965260U CN201420344592.4U CN201420344592U CN203965260U CN 203965260 U CN203965260 U CN 203965260U CN 201420344592 U CN201420344592 U CN 201420344592U CN 203965260 U CN203965260 U CN 203965260U
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- oil cylinder
- flexible pipe
- stationary shaft
- main support
- otic placode
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- 229910000831 Steel Inorganic materials 0.000 description 9
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- 238000000034 method Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 6
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- 239000002184 metal Substances 0.000 description 2
- 230000008569 process 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
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- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model relates to a kind of bending stiffness and torsion rigidity measurer of flexible pipe, comprising: a main support, a stationary shaft bearing, a stationary shaft, two rotation axis supports, a turning axle, one first otic placode, one second otic placode, one first oil cylinder, a mobile support saddle, one second oil cylinder, a third ear plate, one the 4th otic placode, one the 3rd oil cylinder, a rotary crank, two the 4th oil cylinders, one first handle, one first ratchet, a crank and one second handle.Thereby the utility model sets gradually and is useful on mobile stationary shaft bearing so that the oil cylinder of flexible pipe, the oil cylinder that forces flexible pipe the oil cylinder of vertical bending to occur and drive rotary crank rotation that flexible pipe is twisted are installed, and has realized the function of simultaneously measuring hose bending rigidity and torsional rigidity; And the utility model principle is simple, simple operation, has stronger engineering practicability.
Description
Technical field
The utility model 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.Yet 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, by polymer extrusion, are formed.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, at steel, connects interpolation sensor, 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 measuring, there is no 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 inaccurate.
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, afterburning at the other end of girder steel by crane, 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, by power and windup-degree, calculate the torsional rigidity of flexible pipe.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 purpose of this utility model is to provide a kind of measurement bending stiffness and the torsion rigidity measurer of flexible pipe accurately.
For achieving the above object, the utility model 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 rotary crank top and the first handle moving up and down; One fixing sleeve be connected on described the first handle over against turning axle on the first ratchet; 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 over against turning axle on the second ratchet; 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 during 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 during described screw rod, moves or moves down to prop up or unclamp described the second ratchet on described screw rod.
The utility model is owing to taking above technical scheme, it has the following advantages: thus 1, the utility model set gradually be useful on mobile stationary shaft bearing so that install flexible pipe oil cylinder, force flexible pipe the oil cylinder of vertical bending occurs and drive rotary crank to rotate the oil cylinder that flexible pipe is twisted, realized the function of simultaneously measuring hose bending rigidity and torsional rigidity.2, the utility model utilizes oil cylinder to implement ballast, makes loaded load more stable, and load can fixed load after adding simultaneously, is convenient to the record in measuring process, and measured rigidity is more accurate.3, simple, the simple operation of the utility model principle, has stronger engineering practicability.
Accompanying drawing explanation
Fig. 1 is that the utility model master looks schematic diagram;
Fig. 2 is the utility model schematic side view;
Fig. 3 is the utility model schematic top plan view.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figures 1 to 3, the utility model comprises a main support 1, top slide in main support 1 one end connects a stationary shaft bearing 2, at stationary shaft bearing 2, tighten and connect a stationary shaft 3, at the top of main support 1 other end, be fastenedly connected two spaced apart rotation axis supports 4, 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.Top slide at main support 1 middle part connects a mobile support saddle 7, and 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 utility model 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 supports 1 by an oil cylinder 11, a handle 12 moving up and down is set at the top of rotary crank 10.12 of handles over against turning axle 5 tighten socket one ratchet 13, when handle 12 moves down, can closely prop up ratchet 13.A side at a rotation axis support 4 is fastenedly connected a crank 14, and the top of crank 14 is provided with a handle 15 moving up and down, 15 of handles over against turning axle 5 tighten another ratchet 16 of socket.
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 the bottom of oil cylinder 11 and 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, when rotary screw, can make screw rod move down or on move, to prop up or unclamp ratchet 13,16.
Use the utility model measurement bending stiffness of flexible pipe and the method for torsional rigidity as follows:
(1) while using the utility model 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) while using the utility model to measure 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 rotations load moment of torsion to flexible pipe 18, when 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 utility model only describes with above-described embodiment, and the structure of each parts, setting position and connection thereof all can change to some extent.On the basis of technical solutions of the utility model, all improvement of indivedual parts being carried out according to the utility model principle or equivalents, all should not get rid of outside protection domain of the present utility model.
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 rotary crank top and the first handle moving up and down;
One fixing sleeve be connected on described the first handle over against turning axle on the first ratchet;
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 over against turning axle on the second ratchet;
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 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 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 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 flexible pipe as claimed in claim 1 or 2 or 3 or 4, is characterized in that, 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.
6. bending stiffness and the torsion rigidity measurer of flexible pipe as claimed in claim 1 or 2 or 3 or 4, is characterized in that, described the second handle is screw rod, and the fastening nuts coordinating with described screw rod is connected to the top of described crank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344592.4U CN203965260U (en) | 2014-06-25 | 2014-06-25 | The bending stiffness of flexible pipe and torsion rigidity measurer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344592.4U CN203965260U (en) | 2014-06-25 | 2014-06-25 | The bending stiffness of flexible pipe and torsion rigidity measurer |
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| Publication Number | Publication Date |
|---|---|
| CN203965260U true CN203965260U (en) | 2014-11-26 |
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| CN201420344592.4U Expired - Lifetime CN203965260U (en) | 2014-06-25 | 2014-06-25 | The bending stiffness of flexible pipe and torsion rigidity measurer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101545A (en) * | 2014-06-25 | 2014-10-15 | 中国海洋石油总公司 | Device for measuring flexural rigidity and torsional rigidity of hose |
| CN104777050A (en) * | 2015-04-17 | 2015-07-15 | 东北大学 | Low temperature bending and twisting tester and test method for variable resistance films |
| CN104807704A (en) * | 2015-05-08 | 2015-07-29 | 西安向阳航天材料股份有限公司 | Bi-metal composite pipe bending test device |
| CN106525591A (en) * | 2016-11-30 | 2017-03-22 | 西南交通大学 | Material damage tolerance detection device based on rotating bending fatigue as well as detection method |
| CN106644751A (en) * | 2016-10-13 | 2017-05-10 | 华北电力大学（保定） | Guyed tower main post rigidity measurement experimental system and method |
| CN110895190A (en) * | 2018-09-12 | 2020-03-20 | 三星显示有限公司 | Folding testing device |
-
2014
- 2014-06-25 CN CN201420344592.4U patent/CN203965260U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101545A (en) * | 2014-06-25 | 2014-10-15 | 中国海洋石油总公司 | Device for measuring flexural rigidity and torsional rigidity of hose |
| CN104777050A (en) * | 2015-04-17 | 2015-07-15 | 东北大学 | Low temperature bending and twisting tester and test method for variable resistance films |
| CN104807704A (en) * | 2015-05-08 | 2015-07-29 | 西安向阳航天材料股份有限公司 | Bi-metal composite pipe bending test device |
| CN104807704B (en) * | 2015-05-08 | 2017-08-08 | 西安向阳航天材料股份有限公司 | A kind of composite bimetal pipe bend test device |
| CN106644751A (en) * | 2016-10-13 | 2017-05-10 | 华北电力大学（保定） | Guyed tower main post rigidity measurement experimental system and method |
| CN106644751B (en) * | 2016-10-13 | 2019-07-09 | 华北电力大学（保定） | Guywire tower principal post stiffness measurement experimental system and method |
| CN106525591A (en) * | 2016-11-30 | 2017-03-22 | 西南交通大学 | Material damage tolerance detection device based on rotating bending fatigue as well as detection method |
| CN106525591B (en) * | 2016-11-30 | 2023-09-12 | 西南交通大学 | Material damage tolerance detection device and method based on rotational bending fatigue |
| CN110895190A (en) * | 2018-09-12 | 2020-03-20 | 三星显示有限公司 | Folding testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CNOOC RESEARCH INSTITUTE NEPTUNE OFFSHORE ENGINEER Free format text: FORMER OWNER: CNOOC RESEARCH INSTITUTE Effective date: 20141205 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141205 Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Patentee after: CNOOC Research Institute Patentee after: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT Co.,Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Patentee before: CNOOC Research Institute |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC RESEARCH INSTITUTE Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT Co.,Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210813 Address after: 100010 No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Patentee after: CNOOC RESEARCH INSTITUTE Co.,Ltd. Address before: 100010 No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Patentee before: CNOOC RESEARCH INSTITUTE Co.,Ltd. Patentee before: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141126 |
|
| CX01 | Expiry of patent term |