CN107290206B - The device of buckling test for flexible pipe - Google Patents
The device of buckling test for flexible pipe Download PDFInfo
- Publication number
- CN107290206B CN107290206B CN201610204597.0A CN201610204597A CN107290206B CN 107290206 B CN107290206 B CN 107290206B CN 201610204597 A CN201610204597 A CN 201610204597A CN 107290206 B CN107290206 B CN 107290206B
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- China
- Prior art keywords
- flexible pipe
- cutting ferrule
- guide rail
- positioning guide
- worm gear
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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
-
- 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
- G01N2203/0023—Bending
-
- 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
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0037—Generation of the force using mechanical means involving a rotating movement, e.g. gearing, cam, eccentric, or centrifuge effects
-
- 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
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention proposes a kind of device of buckling test for flexible pipe, device includes the positioning guide rail for placing flexible pipe；The cutting ferrule of one end for stationary flexible tube of one end of positioning guide rail is set；For actuating the driving mechanism of cutting ferrule movement.The device can carry out buckling test to flexible pipe, so that the engineer application for flexible pipe provides foundation.Meanwhile the apparatus structure is simple, it is easy to operate.
Description
Technical field
The present invention relates to the performance detection technical fields for flexible pipe, and in particular to a kind of buckling examination for flexible pipe
The device tested.
Background technique
Flexible pipe is common components in industrial, agricultural or daily life, for example, the hydraulic control of automobile or ship
Pipeline and the coil pipe of heat-exchanger rig etc..In actual use, on the one hand, flexible pipe usually requires under biggish curvature
Work, it is necessary to the metal material for selecting ductility slightly good, so that flexible pipe has good bendability.On the other hand, soft
Property pipe must satisfy some strength requirement, to resist higher inside and outside pressure or pulling force.So flexible pipe just needs to select extension
The slightly worse metal material of property.Therefore, during actually using flexible pipe, to reach good utilizing status, flexible pipe is played
Advantage, avoid the occurrence of work accident and studied it is necessary to the bending property to flexible pipe.
For example, application of the flexible pipe in underground is also more and more with the development of Petroleum Down-hole Tool.The liquid of downhole tool
Keyholed back plate line and the coiled tubing of different-diameter etc. are flexible pipe.In order to avoid in underground local buckling occurs for flexible pipe, lead
Work accident is caused, while guaranteeing the intensity of flexible pipe, it is necessary to which buckling test is carried out to flexible pipe.
Thus, it is desirable to provide a kind of device of buckling test that can be used for flexible pipe.
Summary of the invention
For some or all of the above-mentioned technical problem in the presence of the prior art, the invention proposes one kind for soft
The device of the buckling test of property pipe, device include:
For placing the positioning guide rail of flexible pipe,
The cutting ferrule of one end for stationary flexible tube of one end of positioning guide rail is set,
For actuating the driving mechanism of cutting ferrule movement.
It in one embodiment, further include that the lower section of positioning guide rail is set to be used to support the pedestal of positioning guide rail, bottom
Seat and positioning guide rail detachable connection.
In one embodiment, driving mechanism includes lifting assembly, and lifting assembly includes:
At least two guiding feed rods that relative type motor is set on the base,
It is fixed between guiding feed rod and determines crossbeam,
Across the lead screw for determining crossbeam, and
The both ends of the dynamic crossbeam connecting with threads of lead screw, dynamic crossbeam are connect with guiding feed rod slidingtype, so that driving
When lead screw, lead screw drives dynamic crossbeam that cutting ferrule is driven to carry out elevating movement.
In one embodiment, driving mechanism includes rotary components, and rotary components include:
Worm screw,
The worm gear cooperated with worm screw,
Cutting ferrule is fixedly connected with worm gear, so that worm screw can drive cutting ferrule to rotate when driving worm screw.
In one embodiment, rotary components further include the rotating seat being fixedly connected with dynamic crossbeam, and rotating seat has opposite
The two sidewalls of formula setting and two end walls being respectively fixedly connected with two sidewalls, worm screw can rotatably connect with end wall, worm gear energy
It is rotatably connect with side wall.
In one embodiment, rotary shaft is fixedly installed on worm gear, the both ends of rotary shaft pass through side wall and rotate with side wall
Formula connection.
In one embodiment, cutting ferrule seat is fixedly installed in one end of rotary shaft, cutting ferrule seat structure is that can fix with cutting ferrule
Connection.
In one embodiment, gravity pointer is set in the other end socket joint type of rotary shaft, and angle is set on worm gear
Spend scale.
In one embodiment, device further includes for the hydraulic mechanism of flexible pipe injection pressure liquid.
In one embodiment, protrusion is set on the surface of positioning guide rail contacted with flexible pipe.
Compared with the prior art, the advantages of the present invention are as follows can be to soft by the device of the buckling test for flexible pipe
Property pipe carry out buckling test, so that the engineer application for flexible pipe provides foundation.Meanwhile the apparatus structure is simple, it is easy to operate.
Detailed description of the invention
The preferred embodiment of the present invention is described in detail below in conjunction with attached drawing, in figure:
Fig. 1 shows the device of the buckling test for flexible pipe of embodiment according to the present invention；
Fig. 2 shows the rotary components of embodiment according to the present invention；
Fig. 3 shows the rotary components of embodiment according to the present invention；
Fig. 4 shows the test process schematic diagram that use device according to the present invention is tested；
In the accompanying drawings, identical component uses identical appended drawing reference, and the attached drawing is not drawn according to the actual ratio.
Specific embodiment
Below in conjunction with attached drawing, the present invention will be further described.
Fig. 1 shows the device 100 of the buckling test for flexible pipe of embodiment according to the present invention.Such as Fig. 1 institute
Show, device 100 includes positioning guide rail 1, cutting ferrule 2 and driving mechanism 3.Wherein, positioning guide rail 1 is for placing flexible pipe 4, with it is soft
Property pipe 4 (being shown in FIG. 4) contact, to simulate the working environment of flexible pipe 4.One end of positioning guide rail 1 is arranged in cutting ferrule 2,
And it is used for one end of stationary flexible tube 4.Driving mechanism 3 is for actuating the movement of cutting ferrule 2, to adjust the position of one end of flexible pipe 4
It sets, so that flexible pipe 4 is bent, to test the bending property of flexible pipe 4.
The flexural property that flexible pipe 4 can be tested by the device 100 as a result, is provided with the engineer application for flexible pipe 4
Design considerations.Also, the device 100 has the advantages of simple structure and easy realization.
In one embodiment, in order to be applicable in the flexible pipes 4 of different tube diameters, positioning guide rail 1 can be multiple and each fixed
Position guide rail 1 is optionally used.It is, carry out different-diameter flexible pipe 4 test process in, can choose with
The matched positioning guide rail 1 of flexible pipe 4.By this set, the use scope of device 100 is increased, makes it to different-diameter
Flexible pipe 4 can be applicable in.
It should be noted that positioning guide rail 1 is mainly used for supporting flexible pipe 4, and actual use operating condition is simulated, with flexible pipe
4 generate contact friction.Therefore, it can see that, by unlike material, difference is rubbed according to the actual use operating condition of flexible pipe 4, positioning guide rail 1
The material for wiping coefficient is made.For example, positioning guide rail 1 can be made of metals such as iron, aluminium, copper, it can also be by plastics, artificial rubber
Equal organic materials are made.Protrusion can also be set in the contact surface with flexible pipe 4 of positioning guide rail 1, to increase flexible pipe 4
With the coefficient of friction of positioning guide rail 1, thus preferably simulate flexible pipe 4 practical service environment.
It should be noted that positioning guide rail 1 is it is so structured that with 4 point contact of flexible pipe, line contacts or face contact.Cause
This, can be according to the needs of simulation, the cross sectional shape of Design Orientation guide rail 1.Section shape is only gived in diagram in the present invention
Shape is the positioning guide rail 1 of " V " shape.But the present invention is not defined the cross sectional shape of positioning guide rail 1, as long as can arrive
Positioning guide rail 1 up to the purpose of support flexible pipe 4 should all fall into protection scope of the present invention.For example, the section shape of positioning guide rail 1
Shape may be configured to arcuation, trapezoidal channel-shaped etc..
In order to structure globality and facilitate device 100 mobile, device 100 further includes pedestal 5.The setting of pedestal 5 is fixed
The lower section of position guide rail 1 is to be used to support positioning guide rail 1.And pedestal 5 and 1 detachable connection of positioning guide rail.It is set by this
It sets, it is convenient to replace positioning guide rail 1, to simulate the different use environments of flexible pipe 4, meet different test demands.
In one embodiment, driving mechanism 3 includes lifting assembly 6.Lifting assembly 6 includes at least the two of relative type motor setting
A guiding feed rod 61 determines crossbeam 62, lead screw 63 and dynamic crossbeam 64.Wherein, guiding feed rod 61 is arranged on pedestal 5, and and pedestal
5 are fixedly connected.The setting of crossbeam 62 is determined between guiding feed rod 61, and is fixedly connected with guiding feed rod 61.Lead screw 63 passes through fixed cross
Beam 62, and lead screw 63 can be enabled to relatively rotate relative to crossbeam 62 is determined.The both ends of dynamic crossbeam 64 and guiding 61 slidingtype of feed rod
Connection, meanwhile, dynamic crossbeam 64 is threadedly coupled with lead screw 63, so that in rotational lead screw 63, lead screw 63 is relative to determining crossbeam 62
It relatively rotates, and dynamic crossbeam 64 is driven to carry out elevating movement.
In one embodiment, driving mechanism 3 further includes rotary components 7.As shown in Fig. 2, rotary components 7 include worm screw
71, worm gear 72 chord swivel base 73.Wherein, rotating seat 73 is configured to box shape.Worm screw 71 pass through rotating seat 73 end walls and with
It is rotatably connected.Rotating seat 73 plays the role of supporting worm 71 as a result,.Worm gear 72 is matched with worm screw 71, to drive
When dynamic worm screw 71, worm gear 72 is able to rotate.Rotary shaft 74 is fixedly installed on worm gear 72.The both ends of rotary shaft 74 pass through rotating seat
73 two sidewalls are simultaneously rotatably connect with side wall, so that worm gear 72 rotates, and rotary shaft 74 are driven to rotate and convey torque outward.
Cutting ferrule seat 8 is fixedly installed in one end of rotary shaft 74.Cutting ferrule seat 8 is configured to the fixed cutting ferrule 2 of containment type.Meanwhile cutting ferrule seat 8 with
Rotary shaft 74 is fixedly connected.By above-mentioned setting, when driving worm screw 71, worm gear 72 drives rotary shaft 74 to rotate, rotation
74 driving card block set 8 of axis rotation, so that cutting ferrule 2 rotates.
In the present invention, rotating seat 73 is also fixedly connected with dynamic crossbeam 64.During dynamic crossbeam 64 carries out elevating movement,
Rotary components 7, cutting ferrule 2 and cutting ferrule seat 8 also carry out elevating movement together, so that one end of flexible pipe 4 increases and generates curved
It is bent.It, can also be by driving worm screw 71 to realize the rotation of cutting ferrule 2, to drive soft after dynamic crossbeam 64 reaches fixed height
Property the rotation of 4 one end of pipe, to change the bending degree of flexible pipe 4, thus the actual use operating condition of more preferable simulation flexible pipe 4.Separately
Outside, this 100 structure of device is simple, easy to operate, it is easy to realize the bending of flexible pipe 4.
In a preferred embodiment, gravity tester is set in one end socket joint type of the non-setting cutting ferrule seat 8 of rotary shaft 74
Needle 75, as shown in Figure 3.Correspondingly, angle index is set on worm gear 72.To, in 72 rotary course of worm gear, gravity tester
Needle 75 can indicate the rotation angle of worm gear 72, so that the buckling test for flexible pipe 4 provides accurate data.
In one embodiment, as shown in Figure 1, device 100 further includes hydraulic mechanism 10, for being injected into flexible pipe 4
Pressure fluid.Also, pass through hydraulic mechanism 10, optionally the injection pressure liquid into flexible pipe 4, it is also an option that injection pressure
The pressure rating of liquid and the ingredient (for example, water, hydrochloric acid solution etc.) of pressure fluid.By the way that hydraulic mechanism 10 is arranged, can simulate
Bending property of the flexible pipe 4 under the influence of pressure fluid, preferably to simulate the actual use operating condition of flexible pipe 4.
The foregoing is merely the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, Ren Heben
The technical staff in field can be easy to carry out and be altered or varied in technical scope disclosed by the invention, and this change or change
Change should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (8)
1. a kind of device of the buckling test for flexible pipe characterized by comprising
For placing the positioning guide rail of the flexible pipe,
The cutting ferrule of one end for fixing the flexible pipe of one end of the positioning guide rail is set,
For actuating the driving mechanism of the cutting ferrule movement,
The driving mechanism includes lifting assembly, and the lifting assembly includes:
At least two guiding feed rods that relative type motor is set on the base,
It is fixed between the guiding feed rod and determines crossbeam,
Across the lead screw for determining crossbeam, and
The dynamic crossbeam connecting with the threads of lead screw, the both ends of the dynamic crossbeam are connect with the guiding feed rod slidingtype, so that
It obtaining when driving the lead screw, the lead screw driving dynamic crossbeam drives the cutting ferrule to carry out elevating movement,
The driving mechanism includes rotary components, and the rotary components include:
Worm screw,
The worm gear cooperated with the worm screw,
The cutting ferrule is fixedly connected with the worm gear, so that the worm screw can drive the cutting ferrule when driving the worm screw
Rotation.
2. the apparatus according to claim 1, which is characterized in that the pedestal be arranged in the lower section of the positioning guide rail with
In the support positioning guide rail, the pedestal and the positioning guide rail detachable connection.
3. the apparatus according to claim 1, which is characterized in that the rotary components further include and the dynamic crossbeam is fixed and connected
The rotating seat connect, two ends that the rotating seat has the two sidewalls of relative type motor setting and is respectively fixedly connected with the two sidewalls
Wall, the worm screw can rotatably connect with the end wall, and the worm gear can rotatably be connect with the side wall.
4. device according to claim 3, which is characterized in that rotary shaft, the rotary shaft are fixedly installed on the worm gear
Both ends pass through and the side wall and rotatably connect with the side wall.
5. device according to claim 4, which is characterized in that cutting ferrule seat, institute is fixedly installed in one end of the rotary shaft
Stating cutting ferrule seat structure is that can be fixedly connected with the cutting ferrule.
6. device according to claim 5, which is characterized in that gravity tester is arranged in the other end socket joint type of the rotary shaft
Needle, and angle index is set on the worm gear.
7. the apparatus according to claim 1, which is characterized in that further include for the hydraulic press of the flexible pipe injection pressure liquid
Structure.
8. according to claim 1 to device described in any one of 7, which is characterized in that the positioning guide rail with it is described soft
Property pipe contact surface on be arranged protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610204597.0A CN107290206B (en) | 2016-04-05 | 2016-04-05 | The device of buckling test for flexible pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610204597.0A CN107290206B (en) | 2016-04-05 | 2016-04-05 | The device of buckling test for flexible pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107290206A CN107290206A (en) | 2017-10-24 |
| CN107290206B true CN107290206B (en) | 2019-08-30 |
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ID=60087895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610204597.0A Active CN107290206B (en) | 2016-04-05 | 2016-04-05 | The device of buckling test for flexible pipe |
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| Country | Link |
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| CN (1) | CN107290206B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201141828Y (en) * | 2007-12-15 | 2008-10-29 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | Simulation experiment device for bending deformation of highly deviated well column |
| CN102636396A (en) * | 2012-03-31 | 2012-08-15 | 中国石油大学(北京) | Double-layer pipe overall buckling simulation experiment device and method |
| JP2013217829A (en) * | 2012-04-11 | 2013-10-24 | Nippon Steel & Sumitomo Metal | Bending test device and bending test method using the same |
| CN103471933A (en) * | 2013-09-10 | 2013-12-25 | 鞍山钢铁集团公司 | Bending property test method and device of flexible brake tube |
-
2016
- 2016-04-05 CN CN201610204597.0A patent/CN107290206B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201141828Y (en) * | 2007-12-15 | 2008-10-29 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | Simulation experiment device for bending deformation of highly deviated well column |
| CN102636396A (en) * | 2012-03-31 | 2012-08-15 | 中国石油大学(北京) | Double-layer pipe overall buckling simulation experiment device and method |
| JP2013217829A (en) * | 2012-04-11 | 2013-10-24 | Nippon Steel & Sumitomo Metal | Bending test device and bending test method using the same |
| CN103471933A (en) * | 2013-09-10 | 2013-12-25 | 鞍山钢铁集团公司 | Bending property test method and device of flexible brake tube |
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| Publication number | Publication date |
|---|---|
| CN107290206A (en) | 2017-10-24 |
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