CN101520388B - Device for testing bulge performance of tubular products - Google Patents

Device for testing bulge performance of tubular products Download PDF

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Publication number
CN101520388B
CN101520388B CN200910071699XA CN200910071699A CN101520388B CN 101520388 B CN101520388 B CN 101520388B CN 200910071699X A CN200910071699X A CN 200910071699XA CN 200910071699 A CN200910071699 A CN 200910071699A CN 101520388 B CN101520388 B CN 101520388B
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CN
China
Prior art keywords
seal
flat plate
affixed
fixed rack
acquisition unit
Prior art date
Application number
CN200910071699XA
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Chinese (zh)
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CN101520388A (en
Inventor
苑世剑
何祝斌
孙毅
林艳丽
Original Assignee
哈尔滨工业大学
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Priority to CN200910071699XA priority Critical patent/CN101520388B/en
Publication of CN101520388A publication Critical patent/CN101520388A/en
Application granted granted Critical
Publication of CN101520388B publication Critical patent/CN101520388B/en

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Abstract

The invention relates to a device for testing the performance of tubular products, in particular to a device for testing the bulge performance of the tubular products, aiming to solve the problems of complication, poor measuring precision and inconvenient operation of a device used in the whole test because the prior test for the bulge performance of the tubular products needs to be carried out ona common forcing press with greater tonnage and size. A movable platform support is connected with a fixed platform support, a driving unit is respectively and fixedly connected with a lower lateral flat plate of the movable platform support and a lower flat plate of the fixed platform support or is respectively and fixedly connected with an upper lateral flat plate of the movable platform support and an upper flat plate of the fixed platform support; the upper end of an upper seal is fixedly connected with a lower platform of the upper flat plate of the fixed platform support, and the lower end of a lower seal is fixedly connected with an upper platform of the lower lateral flat plate of the movable platform support; a displacement sensor is fixedly connected with an upright post of the movable platform support, an oil hole is arranged in the lower seal and communicated with a hydraulic power source which is electrically connected with a data acquisition unit by a pressure sensor, and the displacement sensor is electrically connected with the data acquisition unit. The device is used for testing the bulge performance of the tubular products.

Description

The device that is used for testing bulge performance of tubular products
Technical field
The present invention relates to a kind of device of testing pipe performance.
Background technology
At present, the bulging performance test of tubing mainly is to carry out on the forming high pressure in pipe machine, with the tubing horizontal positioned, and utilizes the cross cylinder of both sides to promote drift and realizes end sealing during test, feeds highly pressurised liquid then and carries out the bulging test.Whole process is equivalent to the internal high pressure forming of tubing, thus need special sealing with drift, mould up and down, and take two cross cylinders, clamping pressure machine and hydraulic control unit thereof.Device complexity, the measuring accuracy that whole test is used be inaccurate, be awkward.Another kind of test is that the tubing two ends are sealed by methods such as welding, directly feeds the highly pressurised liquid bulging then.Though this method is simple, but processes such as welding must exert an influence to the performance of tubing, and the DATA REASONING in the bulging process is also very difficult in addition, and test result is unreliable.
Summary of the invention
The objective of the invention is on all bigger UP machine of tonnage and size, to carry out usually in order to solve existing testing bulge performance of tubular products, the problem that device complexity, the measuring accuracy that whole test is used be poor, be awkward has proposed a kind of device that is used for testing bulge performance of tubular products.
The present invention solves the problems of the technologies described above the technical scheme of taking to be: described device comprises driver element, hydraulic power source, pressure transducer, displacement transducer and data acquisition unit, described device also comprises Moving jack horse, fixed rack, last seal and lower seal body, the column of described Moving jack horse passes the circular hole that is provided with on the upper flat plate of fixed rack vertically and is connected with the upside of Moving jack horse is dull and stereotyped, the head of affixed with the upper table surface of the following flat board of the following table of the downside flat board of Moving jack horse and the fixed rack respectively or described driver element in the head of described driver element and bottom and bottom are affixed with the upper table surface of the upper flat plate of the following table of the upside flat board of Moving jack horse and fixed rack respectively, the following table of the upper end of described upward seal and the upper flat plate of fixed rack is affixed, the upper table surface of the downside flat board of the lower end of described lower seal body and Moving jack horse is affixed, the column of described displacement transducer and Moving jack horse is affixed, the inside of described lower seal body is provided with oilhole, described oilhole is communicated with hydraulic power source by pipeline, described hydraulic power source is electrically connected with data acquisition unit by pressure transducer, and described displacement transducer is electrically connected with data acquisition unit.
The another kind of technical scheme of described device comprises driver element, hydraulic power source, pressure transducer, displacement transducer and data acquisition unit, described device also comprises portable beam, fixed rack, last seal and lower seal body, circular hole and upper flat plate that column on the fixed rack passes on the portable beam vertically are affixed, the head of described driver element and the following table of portable beam are affixed, the upper table surface of the bottom of described driver element and the following flat board of fixed rack is affixed, the following table of the upper end of described upward seal and the upper flat plate of fixed rack is affixed, the lower end of described lower seal body and the upper table surface of portable beam are affixed, the column of described displacement transducer and fixed rack is affixed, described lower seal body is communicated with hydraulic power source by the inner oilhole that is provided with, described hydraulic power source is electrically connected with data acquisition unit by pressure transducer, and described displacement transducer is electrically connected with data acquisition unit.
The present invention has following beneficial effect: 1, the present invention adopts fixed rack to be connected simple and compact structure with Moving jack horse or portable beam; Adopt single driver element that sealing load is provided, simply be convenient to operation; Can carry out the test of the pipe of different length, different-diameter, thereby realize the standardization of experiment anchor clamps and sample; Can realize the automatic measurement of data such as pressure, displacement in the bulging process.2. utilize apparatus of the present invention to carry out testing bulge performance of tubular products, can easily realize the test of the pipe bulging performance of different length, different-diameter, the measuring accuracy height, and can accurately obtain bulging pressure data and bulging displacement data in the whole bulging process, for the bulging performance of further analyzing and estimate tubing provides sufficient data.
Description of drawings
Fig. 1 is the structural representation of embodiment one, and Fig. 2 is the structural representation of embodiment two, and Fig. 3 is the structural representation of embodiment five.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1, described device comprises driver element 3, hydraulic power source 7, pressure transducer 8, displacement transducer 9 and data acquisition unit 10, described device also comprises Moving jack horse 1, fixed rack 2, last seal 5 and lower seal body 6, the last circular hole that is provided with of upper flat plate 2-2 that the column 1-1 of described Moving jack horse 1 passes fixed rack 2 vertically is connected with the dull and stereotyped 1-2 of the upside of Moving jack horse 1, the head 3-1 of described driver element 3 and bottom 3-2 are affixed with the upper table surface of the following dull and stereotyped 2-3 of the following table of the dull and stereotyped 1-3 of the downside of Moving jack horse 1 and fixed rack 2 respectively, the following table of the upper end of described upward seal 5 and the upper flat plate 2-2 of fixed rack 2 is affixed, the upper table surface of the dull and stereotyped 1-3 of the downside of the lower end of described lower seal body 6 and Moving jack horse 1 is affixed, described displacement transducer 9 is affixed with the column 1-1 of Moving jack horse 1, the inside of described lower seal body 6 is provided with oilhole 6-1, described oilhole 6-1 is communicated with hydraulic power source 7 by pipeline, described hydraulic power source 7 is electrically connected with data acquisition unit 10 by pressure transducer 8, and described displacement transducer 9 is electrically connected with data acquisition unit 10.Wherein driver element 3, hydraulic power source 7, pressure transducer 8, displacement transducer 9 and data acquisition unit 10 are prior art.
The course of work: at first, lower seal body 6 is fixed on the dull and stereotyped 1-3 of downside of Moving jack horse 1, and is connected by fluid pressure line with hydraulic power source 7; Then pipe 4 is placed on the lower seal body 6, last seal 5 is placed on the upper end of pipe 4; Be that hydraulic jack 3 moves upward Moving jack horse 1 and makes the upper flat plate 2-2 of fixed rack 2 compress seal 5 by driver element then; Displacement transducer 9 is fixed on the column 1-1 of Moving jack horse 1 then, and its contact is contacted with pipe 4; Primer fluid potential source 7 charges into highly pressurised liquid by the oilhole 6-1 of lower seal body 6 in pipe 4 then, and supercharging is broken until pipe 4 gradually.In the pressurization, liquid pressure data and bulging displacement data thereof in the pipe 4 are transferred in the data acquisition unit 10 by pressure transducer 8 and displacement transducer 9.
Embodiment two: present embodiment is described in conjunction with Fig. 2, described device comprises driver element 3, hydraulic power source 7, pressure transducer 8, displacement transducer 9 and data acquisition unit 10, described device also comprises Moving jack horse 1, fixed rack 2, last seal 5 and lower seal body 6, the last circular hole that is provided with of upper flat plate 2-2 that the column 1-1 of described Moving jack horse 1 passes fixed rack 2 vertically is connected with the dull and stereotyped 1-2 of the upside of Moving jack horse 1, the head 3-1 of described driver element 3 and bottom 3-2 are affixed with the upper table surface of the upper flat plate 2-2 of the following table of the dull and stereotyped 1-2 of the upside of Moving jack horse 1 and fixed rack 2 respectively, the following table of the upper end of described upward seal 5 and the upper flat plate 2-2 of fixed rack 2 is affixed, the upper table surface of the dull and stereotyped 1-3 of the downside of the lower end of described lower seal body 6 and Moving jack horse 1 is affixed, described displacement transducer 9 is affixed with the column 1-1 of Moving jack horse 1, the inside of described lower seal body 6 is provided with oilhole 6-1, described oilhole 6-1 is communicated with hydraulic power source 7 by pipeline, described hydraulic power source 7 is electrically connected with data acquisition unit 10 by pressure transducer 8, and described displacement transducer 9 is electrically connected with data acquisition unit 10.
The course of work: at first, lower seal body 6 is fixed on the dull and stereotyped 1-3 of downside of Moving jack horse 1, and is connected by fluid pressure line with hydraulic power source 7; Then pipe 4 is placed on the lower seal body 6, last seal 5 is placed on the upper end of pipe 4; Be that manual lifting jack 3 moves upward Moving jack horse 1 and makes the upper flat plate 2-2 of fixed rack 2 compress seal 5 by driver element then; Displacement transducer 9 is fixed on the column 1-1 of Moving jack horse 1 then, and its contact is contacted with pipe 4; Primer fluid potential source 7 charges into highly pressurised liquid by the oilhole 6-1 of lower seal body 6 in pipe 4 then, and supercharging is broken until pipe 4 gradually.In the pressurization, liquid pressure data and bulging displacement data thereof in the pipe 4 are transferred in the data acquisition unit 10 by pressure transducer 8 and displacement transducer 9.
Embodiment three: present embodiment is described in conjunction with Fig. 1, Fig. 2, described Moving jack horse 1 is made of four root post 1-1, the dull and stereotyped 1-2 of upside and the dull and stereotyped 1-3 of downside, described four root post 1-1 are arranged between dull and stereotyped 1-2 of upside and the dull and stereotyped 1-3 of downside, the advantage of this syndeton is easily to realize the test of the pipe bulging performance of different length, different-diameter, and other compositions and annexation are identical with embodiment one.
Embodiment four: present embodiment is described in conjunction with Fig. 1, Fig. 2, described fixed rack 2 is made of four root post 2-1, upper flat plate 2-2 and following dull and stereotyped 2-3, described four root post 2-1 are arranged between upper flat plate 2-2 and the following dull and stereotyped 2-3, the advantage of this syndeton is easily to realize the test of the pipe bulging performance of different length, different-diameter, and other compositions and annexation are identical with embodiment one.
Embodiment five: present embodiment is described in conjunction with Fig. 3, described device comprises driver element 3, hydraulic power source 7, pressure transducer 8, displacement transducer 9 and data acquisition unit 10, described device also comprises portable beam 11, fixed rack 2, last seal 5 and lower seal body 6, circular hole and upper flat plate 2-2 that column 2-1 on the described fixed rack 2 passes on the portable beam 11 vertically are affixed, the head 3-1 of described driver element 3 and the following table of portable beam 11 are affixed, the upper table surface of the bottom 3-2 of described driver element 3 and the following dull and stereotyped 2-3 of fixed rack 2 is affixed, the following table of the upper end of described upward seal 5 and the upper flat plate 2-2 of fixed rack 2 is affixed, the upper table surface of the lower end of described lower seal body 6 and portable beam 11 is affixed, described displacement transducer 9 is affixed with the column 2-1 of fixed rack 2, described lower seal body 6 is communicated with hydraulic power source 7 by the inner oilhole 6-1 that is provided with, described hydraulic power source 7 is electrically connected with data acquisition unit 10 by pressure transducer 8, and described displacement transducer 9 is electrically connected with data acquisition unit 10.
The course of work: at first, lower seal body 6 is fixed on the upper table surface of portable beam 11, and is connected by fluid pressure line with hydraulic power source 7; Then pipe 4 is placed on the lower seal body 6, last seal 5 is placed on the upper end of pipe 4; Be that hydraulic jack moves upward portable beam 11 and makes the upper flat plate 2-2 of fixed rack 2 compress seal 5 by driver element 3 then; Displacement transducer 9 is fixed on the column 2-1 of fixed rack 2 then, and its contact is contacted with pipe 4; Primer fluid potential source 7 charges into highly pressurised liquid by the oilhole 6-1 of lower seal body 6 in pipe 4 then, and supercharging is broken until pipe 4 gradually.In the pressurization, liquid pressure data and bulging displacement data thereof in the pipe 4 are transferred in the data acquisition unit 10 by pressure transducer 8 and displacement transducer 9.
Embodiment six: present embodiment is described in conjunction with Fig. 3, described fixed rack 2 is made of four root post 2-1, upper flat plate 2-2 and following dull and stereotyped 2-3, described column 2-1 is arranged between upper flat plate 2-2 and the following dull and stereotyped 2-3, and the advantage of this syndeton is simple in structure, easy to operate.

Claims (5)

1. device that is used for testing bulge performance of tubular products, described device comprises driver element (3), hydraulic power source (7), pressure transducer (8), displacement transducer (9) and data acquisition unit (10), it is characterized in that described device also comprises Moving jack horse (1), fixed rack (2), last seal (5) and lower seal body (6), the last circular hole that is provided with of upper flat plate (2-2) that the column (1-1) of described Moving jack horse (1) passes fixed rack (2) vertically is connected with the upside flat board (1-2) of Moving jack horse (1), the head (3-1) of described driver element (3) and bottom (3-2) are affixed with the upper table surface of the upper flat plate (2-2) of the following table of the upside flat board (1-2) of Moving jack horse (1) and fixed rack (2) respectively with the head (3-1) of the affixed or described driver element of upper table surface (3) of the following flat board (2-3) of the following table of the downside flat board (1-3) of Moving jack horse (1) and fixed rack (2) and bottom (3-2) respectively, the following table of the upper end of described upward seal (5) and the upper flat plate (2-2) of fixed rack (2) is affixed, the upper table surface of the downside flat board (1-3) of the lower end of described lower seal body (6) and Moving jack horse (1) is affixed, described displacement transducer (9) is affixed with the column (1-1) of Moving jack horse (1), the inside of described lower seal body (6) is provided with oilhole (6-1), described oilhole (6-1) is communicated with hydraulic power source (7) by pipeline, described hydraulic power source (7) is electrically connected with data acquisition unit (10) by pressure transducer (8), and described displacement transducer (9) is electrically connected with data acquisition unit (10).
2. the device that is used for testing bulge performance of tubular products according to claim 1, it is characterized in that described Moving jack horse (1) is made of with downside flat board (1-3) four root posts (1-1), upside flat board (1-2), described four root posts (1-1) are arranged between upside flat board (1-2) and the downside flat board (1-3).
3. the device that is used for testing bulge performance of tubular products according to claim 1, it is characterized in that described fixed rack (2) is made of with down dull and stereotyped (2-3) four root posts (2-1), upper flat plate (2-2), described four root posts (2-1) are arranged between upper flat plate (2-2) and following dull and stereotyped (2-3).
4. device that is used for testing bulge performance of tubular products, described device comprises driver element (3), hydraulic power source (7), pressure transducer (8), displacement transducer (9) and data acquisition unit (10), it is characterized in that described device also comprises portable beam (11), fixed rack (2), last seal (5) and lower seal body (6), circular hole and upper flat plate (2-2) that column (2-1) on the fixed rack (2) passes on the portable beam (11) vertically are affixed, the head (3-1) of described driver element (3) is affixed with the following table of portable beam (11), the bottom (3-2) of described driver element (3) is affixed with the upper table surface of the following flat board (2-3) of fixed rack (2), the following table of the upper end of described upward seal (5) and the upper flat plate (2-2) of fixed rack (2) is affixed, the upper table surface of the lower end of described lower seal body (6) and portable beam (11) is affixed, described displacement transducer (9) is affixed with the column (2-1) of fixed rack (2), described lower seal body (6) is communicated with hydraulic power source (7) by the inner oilhole (6-1) that is provided with, described hydraulic power source (7) is electrically connected with data acquisition unit (10) by pressure transducer (8), and described displacement transducer (9) is electrically connected with data acquisition unit (10).
5. the device that is used for testing bulge performance of tubular products according to claim 4, it is characterized in that described fixed rack (2) is made of with down dull and stereotyped (2-3) four root posts (2-1), upper flat plate (2-2), described column (2-1) is arranged between upper flat plate (2-2) and following dull and stereotyped (2-3).
CN200910071699XA 2009-04-02 2009-04-02 Device for testing bulge performance of tubular products CN101520388B (en)

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Application Number Priority Date Filing Date Title
CN200910071699XA CN101520388B (en) 2009-04-02 2009-04-02 Device for testing bulge performance of tubular products

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Application Number Priority Date Filing Date Title
CN200910071699XA CN101520388B (en) 2009-04-02 2009-04-02 Device for testing bulge performance of tubular products

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CN101520388A CN101520388A (en) 2009-09-02
CN101520388B true CN101520388B (en) 2011-02-16

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CN103018108B (en) * 2012-12-14 2015-01-14 山东科技大学 Device for testing bearing capacity of base plate
CN103033421B (en) * 2012-12-28 2014-10-22 哈尔滨工业大学 Bulging experiment device for directly testing mechanical property of pipe
CN103698212B (en) * 2013-12-24 2015-08-19 哈尔滨工业大学 A kind of the coefficient of normal anisortopy Direct Determination of tubing hoop
CN103712862A (en) * 2013-12-30 2014-04-09 重庆市科学技术研究院 Device for testing expansion performance of magnesium alloy tubular product
CN108318343A (en) * 2017-12-13 2018-07-24 中国石油天然气集团公司 A kind of experimental rig and method of test tubing critical external compressive resistance disruption properties
CN108593424A (en) * 2018-05-17 2018-09-28 北京海纳川汽车部件股份有限公司 Explosion-proof lamp detonation test dynamic data measuring device
CN110308048A (en) * 2019-07-17 2019-10-08 哈尔滨工业大学 A kind of the magnetorheological fluid bulging test device and test method of sheet material forming performance
CN110763566A (en) * 2019-11-28 2020-02-07 大连理工大学 Method for determining circumferential thickness anisotropy coefficient of anisotropic pipe
CN110763567A (en) * 2019-11-28 2020-02-07 大连理工大学 Method for measuring thickness anisotropy coefficient and yield stress of pipe in any direction
CN110763568A (en) * 2019-11-28 2020-02-07 大连理工大学 Method for determining thickness anisotropy coefficient of pipe in any direction

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