CN104634677A - Horizontal stretch bending device - Google Patents

Horizontal stretch bending device Download PDF

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Publication number
CN104634677A
CN104634677A CN201510036302.9A CN201510036302A CN104634677A CN 104634677 A CN104634677 A CN 104634677A CN 201510036302 A CN201510036302 A CN 201510036302A CN 104634677 A CN104634677 A CN 104634677A
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CN
China
Prior art keywords
stretch bending
horizontal stretch
bending test
test unit
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510036302.9A
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Chinese (zh)
Inventor
刘增武
张伟宁
刘庆文
吴�琳
时晓梅
张楠
刘志军
朱世才
张文吉
焦达文
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760 RESEARCH INSTITUTE OF CSIC
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760 RESEARCH INSTITUTE OF CSIC
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Publication date
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Priority to CN201510036302.9A priority Critical patent/CN104634677A/en
Publication of CN104634677A publication Critical patent/CN104634677A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a horizontal stretch bending device and belongs to the technical field of bending tests. The horizontal stretch bending device is characterized by comprising two depended wheels with grooves, and a pulley which can slide along a rail, wherein the depended wheels can rotate around a main shaft which is fixedly mounted on the pulley; the pulley driven by a motor reciprocates along the rail which is laid on a joist steel supporting beam; two ends of the supporting beam are fixed on two bearing portals any one of which is provided with a hydraulic flexible lever while the other end is provided with two bearing pins; the hydraulic flexible levers are connected with a hydraulic pump. The device can be used for achieving repeated bending of each point on a tested cable section in forward and backward directions under fixed stress, and a bending property test is uniform and adequate. The depended wheels with the different grooves are simply changed to realize stretch bending tests of lines, cables and arrays with different section shapes under different bending radiuses. The device is simple to operate and further has a pull testing function.

Description

A kind of horizontal stretch bending test unit
Technical field
The invention belongs to bending test technical field, relate to a kind of horizontal stretch bending test unit for the large-scale elongated cable such as cable, rope, particularly relate to a kind of horizontal stretch bending test unit that can carry out positive and negative both direction alternating bending test under tension.
Background technology
Along with greatly developing of the industries such as electric power, communication, seafari, the application of the large-scale elongated cable products such as cable, rope, marine streamer, solid linear array is more and more wider, also becomes become more and more important to the bending property inspection of this series products.Traditional bend test device is all do life test separately for the heart yearn of cable inside, does not have the special device carrying out alternating bending test for Integral cable, towing cable, solid linear array.Until 2014, Zhoushan electric company of State Grid Zhejiang Electric Power Company discloses a kind of extra large cable bend test device, its publication number is CN104155191A, this device cardinal principle is by being stacked on a main shaft by the engaged wheel of multiple different-diameter, and pulls the positive and negative of drive wheel assemblies to transfer the bending test realizing extra large cable back and forth by driven unit.But this device defines the bending direction of cable, can only complete cable one direction alternating bending test, can not realize the alternating bending of the positive and negative both direction of cable, bending test is abundant not.
Summary of the invention
In order to overcome the deficiency of above-mentioned background technology, the invention provides one and under tension, the device of the positive and negative both direction alternating bending test of the elongated cables such as cable, solid towing cable, solid linear array can be realized.
One provided by the invention horizontal stretch bending test unit comprises: two reeded rollers of band, and one drives the coaster of movement in orbit by motor; Described roller can rotate freely around its main shaft, and described main shaft is fixedly mounted on described coaster; Described track laying is on joist steel brace summer, the two ends of described joist steel brace summer are separately fixed on two carrying door frames, described two carrying door frames on wherein optional one hydraulically extensible thick stick is housed, another one is installed two loads and is fastened, described hydraulically extensible thick stick connecting fluid press pump.
The size and shape of described groove is determined according to the shape of cross section of tested cable.
The diameter of described roller is determined according to the bending radius of tested cable, and roller A is identical with the tested bending radius of tested cable section with the radius of roller B.
One end of tested cable section is fixed on hydraulically extensible thick stick by horizontal stretch bending test unit of the present invention, the other end is wound around downwards from the top of a roller along groove, and be wound around from the bottom of another roller along groove and stretch out, the load being fixed on side, hydraulically extensible thick stick opposite is fixed.
Apply tension force accurately by hydraulically extensible thick stick, open motor drive coaster move reciprocatingly in fixed journey system along track, along with roller translation and rotate freely, each point in stroke in tested cable section is completed the alternating bending of positive and negative both direction.
Above-mentioned horizontal stretch bending test unit also possesses tensile test function, is fixed on hydraulically extensible thick stick by one end of tested cable section, and the load that the other end is fixed on hydraulically extensible thick stick opposite is fixed, and utilizes the cable section state under the different pulling force of hydraulic pump applied voltage test.
The invention has the beneficial effects as follows, this device can realize the alternating bending each point in tested cable section being carried out to positive and negative both direction under fixing tension force, bending property test evenly and fully, the roller providing for simple replacement of different groove can realize the stretch bending test under the differently curved radius of the line of varying cross-section shape, cable, battle array, easy and simple to handle, have tensile test function concurrently simultaneously.
Accompanying drawing explanation
Fig. 1 is the front elevation schematic diagram of horizontal stretch bending test unit.
Fig. 2 is the vertical view of horizontal stretch bending test unit.
In figure: 1a roller A; 1b roller B; 2 motor; 3 tracks; 4 coasters; 5 main shafts; 6 joist steel brace summers; 7a carries door frame A; 7b carries door frame B; 8 hydraulically extensible thick sticks; 9a load fastens A; 9b load fastens B; 10 hydraulic pumps.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail, but this embodiment should not be construed as limitation of the present invention.
As shown in Figure 1, present embodiment discloses a kind of horizontal stretch bending test unit, comprising: two reeded roller 1a and 1b of band, one drives the coaster 4 of movement on the track 3 by motor 2; Described roller can rotate freely around its main shaft 5, and described main shaft 5 is fixedly mounted on described coaster 4; Described track 3 is laid on joist steel brace summer 6, the two ends of described joist steel brace summer 6 are separately fixed on two carrying door frame 7a and 7b, described carrying door frame 7a is equipped with hydraulically extensible thick stick 8, on described carrying door frame 7b, installation two loads fasten 9a and 9b, described hydraulically extensible thick stick 8 connecting fluid press pump 10.
The present embodiment is selected to carry out stretch bending test to the circular cross section solid linear array of cross-sectional diameter Φ 50mm, and fixing pulling force is 1 ton, and bending radius is 300mm.Therefore, the semicircle of the groove size of design roller 1a and 1b to be cross-sectional diameter be Φ 60mm, the radius of roller 1a and 1b is 300mm.
Test process is as follows: be fixed on hydraulically extensible thick stick 8 by circular cross section solid linear array cable section to be measured one end of Φ 50mm, the other end is wound around downwards from the top of roller 1a along groove, and be wound around to stretch out from the bottom of roller 1b along groove and be fixed on load and fasten 9a, open hydraulic pump 10, transmitting hydraulic stretches thick stick 8, applies the fixing tension force of 1 ton and remain unchanged to cable section to be measured.Open motor 2, drive coaster 4 to move reciprocatingly along track 3, the state of record reciprocal time and tested cable section, completes the pulling force crooked test to solid linear array.
In addition, circular cross section solid linear array cable section to be measured one end of Φ 50mm is fixed on hydraulically extensible thick stick 8, the other end is directly fixed on load and fastens on 9b, open hydraulic pump 10, transmitting hydraulic stretches thick stick 8, apply ever-increasing pulling force to cable section to be measured, record the state of solid linear array until it is disrumpent feelings simultaneously, realize the tensile test function that the present invention has concurrently.

Claims (8)

1. a horizontal stretch bending test unit, is characterized in that, comprise two reeded rollers of band, one drives the coaster of movement in orbit by motor; Described roller can rotate freely around its main shaft, and described main shaft is fixedly mounted on described coaster; Described track laying is on joist steel brace summer, the two ends of described joist steel brace summer are separately fixed on two carrying door frames, described two carrying door frames on wherein optional one hydraulically extensible thick stick is housed, another one is installed two loads and is fastened, described hydraulically extensible thick stick connecting fluid press pump.
2. the horizontal stretch bending test unit of one according to claim 1, is characterized in that, one end of tested cable section is wound around from the upper grooves of described roller A stretches out, and the other end also stretches out from the lower recess winding of described roller B.
3. the horizontal stretch bending test unit of one according to claim 1 and 2, is characterized in that, one end of tested cable section applies tension force accurately by described hydraulically extensible thick stick, and the other end is fixed on described load bolt A.
4. the horizontal stretch bending test unit of one according to claim 1 and 2, is characterized in that, described roller A is identical with the tested bending radius of tested cable section with the radius of roller B.
5. the horizontal stretch bending test unit of one according to claim 3, is characterized in that, described roller A is identical with the tested bending radius of tested cable section with the radius of roller B.
6. horizontal stretch bending test unit according to claim 1 or 2 or 5, it is characterized in that, the size and shape of described groove is determined according to the shape of cross section of tested cable.
7. horizontal stretch bending test unit according to claim 3, it is characterized in that, the size and shape of described groove is determined according to the shape of cross section of tested cable.
8. horizontal stretch bending test unit according to claim 4, it is characterized in that, the size and shape of described groove is determined according to the shape of cross section of tested cable.
CN201510036302.9A 2015-01-24 2015-01-24 Horizontal stretch bending device Pending CN104634677A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510036302.9A CN104634677A (en) 2015-01-24 2015-01-24 Horizontal stretch bending device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510036302.9A CN104634677A (en) 2015-01-24 2015-01-24 Horizontal stretch bending device

Publications (1)

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CN104634677A true CN104634677A (en) 2015-05-20

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106053227A (en) * 2016-07-08 2016-10-26 中煤科工集团上海有限公司 Mining equipment cable dragging and bending testing machine and testing method
CN107036879A (en) * 2016-02-03 2017-08-11 湖南华菱线缆股份有限公司 Cable test device
CN109283042A (en) * 2018-11-08 2019-01-29 上海赛飞航空线缆制造有限公司 A kind of flexible cable is test bed
CN113203620A (en) * 2021-06-17 2021-08-03 浙江水利水电学院 Tensile bending test equipment

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51150685A (en) * 1975-06-20 1976-12-24 Fujikura Ltd Cable bending test method and device
JPH0416739A (en) * 1990-05-11 1992-01-21 Toshiba Corp Apparatus for testing bending fatigue of wire rope
CN2434666Y (en) * 2000-06-16 2001-06-13 辽河石油勘探局测井公司 Logging cable tension tester detector
CN201331438Y (en) * 2008-12-24 2009-10-21 南阳二机石油装备(集团)有限公司 Hydraulic horizontal tension tester
CN203758851U (en) * 2014-03-21 2014-08-06 西安富士达线缆有限公司 Fatigue bending tester applicable to radio frequency coaxial cable component
CN203929530U (en) * 2014-05-29 2014-11-05 东莞市诺尔检测科技有限公司 The bend test device of heater element and internal wiring
CN104155191A (en) * 2014-08-01 2014-11-19 国网浙江省电力公司舟山供电公司 Submarine cable bending tester
CN204330508U (en) * 2015-01-24 2015-05-13 中国船舶重工集团公司第七六○研究所 A kind of horizontal stretch bending test unit

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51150685A (en) * 1975-06-20 1976-12-24 Fujikura Ltd Cable bending test method and device
JPH0416739A (en) * 1990-05-11 1992-01-21 Toshiba Corp Apparatus for testing bending fatigue of wire rope
CN2434666Y (en) * 2000-06-16 2001-06-13 辽河石油勘探局测井公司 Logging cable tension tester detector
CN201331438Y (en) * 2008-12-24 2009-10-21 南阳二机石油装备(集团)有限公司 Hydraulic horizontal tension tester
CN203758851U (en) * 2014-03-21 2014-08-06 西安富士达线缆有限公司 Fatigue bending tester applicable to radio frequency coaxial cable component
CN203929530U (en) * 2014-05-29 2014-11-05 东莞市诺尔检测科技有限公司 The bend test device of heater element and internal wiring
CN104155191A (en) * 2014-08-01 2014-11-19 国网浙江省电力公司舟山供电公司 Submarine cable bending tester
CN204330508U (en) * 2015-01-24 2015-05-13 中国船舶重工集团公司第七六○研究所 A kind of horizontal stretch bending test unit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107036879A (en) * 2016-02-03 2017-08-11 湖南华菱线缆股份有限公司 Cable test device
CN106053227A (en) * 2016-07-08 2016-10-26 中煤科工集团上海有限公司 Mining equipment cable dragging and bending testing machine and testing method
CN106053227B (en) * 2016-07-08 2019-03-12 上海煤科检测技术有限公司 A kind of mining equipment cable towing circumnutates testing machine and test method
CN109283042A (en) * 2018-11-08 2019-01-29 上海赛飞航空线缆制造有限公司 A kind of flexible cable is test bed
CN113203620A (en) * 2021-06-17 2021-08-03 浙江水利水电学院 Tensile bending test equipment

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Application publication date: 20150520