CN106706432A - Hydraulic stretcher - Google Patents

Hydraulic stretcher Download PDF

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Publication number
CN106706432A
CN106706432A CN201611234704.0A CN201611234704A CN106706432A CN 106706432 A CN106706432 A CN 106706432A CN 201611234704 A CN201611234704 A CN 201611234704A CN 106706432 A CN106706432 A CN 106706432A
Authority
CN
China
Prior art keywords
hydraulic
stretching
hydraulic cylinder
cylinder
manual
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
CN201611234704.0A
Other languages
Chinese (zh)
Inventor
于润桥
胡博
夏桂锁
程东方
程强强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Yinzhou Citai Electronic Technology Co Ltd
Original Assignee
Ningbo Yinzhou Citai Electronic Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Yinzhou Citai Electronic Technology Co Ltd filed Critical Ningbo Yinzhou Citai Electronic Technology Co Ltd
Priority to CN201611234704.0A priority Critical patent/CN106706432A/en
Publication of CN106706432A publication Critical patent/CN106706432A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0016Tensile or compressive
    • G01N2203/0017Tensile
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003Generation of the force
    • G01N2203/0042Pneumatic or hydraulic means
    • G01N2203/0048Hydraulic means

Abstract

The invention discloses a hydraulic stretcher which consists of a mechanical transmission part and a hydraulic control part, wherein the mechanical transmission part comprises a machine body, a positioning clamping component which is mounted at one end of the machine body, and a stretching clamping component which is mounted at the other end of the machine body in a sliding manner; the hydraulic control part comprises a stretching hydraulic cylinder which is fixed with the machine body, and a first manual hydraulic pump which is connected with the stretching hydraulic cylinder; the piston rod of the stretching hydraulic cylinder is connected with the stretching clamping component; preferably, the stretching hydraulic cylinder is a bidirectional hydraulic cylinderpreferably; the first manual hydraulic pump comprises a first oil storage cylinder, a first manual reversing valve and a first operation handle; and the first oil storage cylinder is communicated with the stretching hydraulic cylinder through the first manual reversing valve and an oil conveying tube. The hydraulic stretcher has the advantages that the manual hydraulic pump is adopted as a power source for stretching and compressing a metal material, and electromagnetic signals are not generated, so that magnetic signal measurement on the surface of the metal material is not influenced, and the magnetic property testing accuracy of the metal material can be improved.

Description

Hydraulic tensioner
Technical field
The present invention relates to metal material mechanical performance and magnetic performance technical field of measurement and test, more particularly to a kind of zero magnetic space Lower material during tensile deformation test mechanical performance and the special hydraulic tensioner of magnetic performance.
Background technology
Cupping machine is widely used in the industries such as iron and steel metallurgy, machine-building, petrochemical industry, metering quality inspection, tests it Intensity size, fatigue resistance of product etc..In research and teaching field, cupping machine is commonly used to be measured or aids in measuring The mechanical property of the experiment of data characteristic, such as material, magnetic performance, acoustical behavior.Existing cupping machine is main by electricity Machine control gear drive drives crossbeam to move up and down, and realizes the stretching and compression of material;But grinding in some high-acruracy surveys In studying carefully, such as the change in on-line measurement metal material surface magnetic field when, the lower electromagnetic signal for producing can be to gold in working order for motor The magnetic field signal for belonging to material is impacted, and the magnetic signal of metal material surface can especially be measured under zero external environment magnetic field and produced Raw severe jamming, influences the test result of metal material magnetic performance.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of hydraulic tensioner, provide dynamic using hand-hydraulic mechanism Power, it is to avoid the magnetic signal measurement to metal material surface produces severe jamming.
The present invention solve the technical scheme that is used of above-mentioned technical problem for:A kind of hydraulic tensioner, by mechanical drive department Point and hydraulic control portion be grouped into, the mechanical driving part include fuselage, the positioning clamping component installed in fuselage one end and The stretching clamp assemblies of the fuselage other end are slidably mounted on, the hydraulic control portion includes being fixed with fuselage and piston rod and drawing The first manual hydraulic pump stretched the stretching hydraulic cylinder of clamp assemblies connection and be connected with stretching hydraulic cylinder.
Preferably, it is described stretching hydraulic cylinder be two-way hydraulic cylinder, the first manual hydraulic pump include the first oil storage cylinder, First manual reversal valve and the first operation handle, first oil storage cylinder is by first manual reversal valve and petroleum pipeline and stretching liquid Cylinder pressure is connected.
Compared with prior art, the advantage of the invention is that using hydraulic hand-pump as material during tensile, compression Power source, will not produce electromagnetic signal, so as to avoid the magnetic signal measurement on metal material surface from producing influence, improve metal The accuracy of material magnetic performance test.
Used as improvement, the first manual hydraulic pump is also included for monitoring the first of first manual reversal valve output oil pressure Forcing press, can calculate the tensile force or pressure applied to metal material to be measured according to the output oil pressure for reading.
Used as improvement, the fuselage, positioning clamping component and stretching clamp assemblies are made of stainless steel;Avoid producing magnetic , the magnetic signal measurement on metal material surface produces influence.
As improvement, jacking mechanism is also equipped with the middle of the fuselage, the jacking mechanism includes jacking block, piston rod and top The jack-up hydraulic cylinder of block connection and the second hydraulic hand-pump being connected with jack-up hydraulic cylinder;The jack-up hydraulic cylinder is fixed on fuselage Bottom.
Preferably, the jack-up hydraulic cylinder be two-way hydraulic cylinder, second hydraulic hand-pump include the second oil storage cylinder, Second hand-operated direction valve and the second operation handle, second oil storage cylinder is by the second hand-operated direction valve and petroleum pipeline and jack-up liquid Cylinder pressure is connected;Using hydraulic hand-pump as the power source of stretching, electromagnetic signal will not be produced, it is to avoid to metal in deformation process The magnetic signal measurement of material surface produces influence.
Brief description of the drawings
Fig. 1 is the schematic cross-sectional view of mechanical driving part of the present invention.
Fig. 2 is the schematic perspective view of mechanical driving part of the present invention.
Fig. 3 is the schematic perspective view of hydraulic control portion of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
This preferred embodiment is as shown in Figures 1 to 3 a kind of hydraulic tensioner, by mechanical driving part and hydraulic control portion Composition, mechanical driving part includes fuselage, the positioning clamping component installed in fuselage one end and is slidably mounted on the fuselage other end Stretching clamp assemblies, hydraulic control portion include being fixed with fuselage and piston rod with stretch the stretching hydraulic pressure that is connected of clamp assemblies Cylinder 41 and the first manual hydraulic pump being connected with stretching hydraulic cylinder 41.Wherein, to avoid the magnetic signal to metal material surface Measurement produces influence, and mechanical driving part is made by 304 stainless steels.Fuselage includes fixed plate 11, first member plate 12, the right side of both sides End plate 13 and base, base is by substrate 15, the base plate being fixed on above substrate 15 14 and four supports being connected under substrate 15 Pin 16 is constituted.Positioning clamping component includes that right-hand member sets the locating piece 21 of position fixture 22, and the left end of locating piece 21 passes through first member plate 12, the T-shaped fixture block 23 and left regulation wheel 24 that the left side of first member plate 12 is set can be finely adjusted to the position of locating piece 21.Stretching clamping group Part sets the movable block 31 of stretching clamp 32 including left end, and movable block 31 is connected with the piston rod of stretching hydraulic cylinder 41.An above-mentioned left side, The left and right of right respective figure 1,2.
Preferably, stretching hydraulic cylinder 41 is two-way hydraulic cylinder, first manual hydraulic pump includes the first oil storage cylinder 42, first The operation handle 44 of hand-operated direction valve 43 and first, the first oil storage cylinder 42 is distinguished by first manual reversal valve 43 and two petroleum pipelines With two hydraulic chamber into communication of stretching hydraulic cylinder 41;Wherein, 43 points of first manual reversal valve is third gear, can be by adjusting stretching liquid Cylinder pressure 41 causes that stretching clamp assemblies order about metal material to be measured and apply stretching, reply or compress.First manual hydraulic pump is also wrapped Include the first pressure machine 45 for monitoring the output oil pressure of first manual reversal valve 43.
In addition, being also equipped with jacking mechanism in the middle of fuselage, jacking mechanism includes being made up for applying convex top of 304 stainless steels Power make experiment metal material middle part deformation jacking block 50, piston rod and jacking block 50 connection jack-up hydraulic cylinder 51 and with jack-up hydraulic pressure Second hydraulic hand-pump of the connection of cylinder 51;Jack-up hydraulic cylinder 51 is fixed under the substrate 15 of fuselage bottom, and jack-up hydraulic cylinder 51 is lived The jacking block 50 that stopper rod upper end is fixed passes base plate 14.Jack-up hydraulic cylinder 51 is two-way hydraulic cylinder, and the second hydraulic hand-pump includes the Two oil storage cylinders 52, the second hand-operated direction valve 53 and the second operation handle 54, the second oil storage cylinder 52 pass through the second hand-operated direction valve 53 With two petroleum pipelines and two hydraulic chamber into communication of jack-up hydraulic cylinder 51.Second hydraulic hand-pump is also included for monitoring second-hand The second pressure machine 55 of the dynamic output oil pressure of reversal valve 53.

Claims (6)

1. a kind of hydraulic tensioner, it is characterised in that:It is grouped into by mechanical driving part and hydraulic control portion, the machine driving Part includes fuselage, the positioning clamping component installed in fuselage one end and is slidably mounted on the stretching clamping group of the fuselage other end Part, the hydraulic control portion includes the stretching hydraulic cylinder fixed with fuselage and piston rod is connected with stretching clamp assemblies(41)With And with stretching hydraulic cylinder(41)The first manual hydraulic pump of connection.
2. hydraulic tensioner according to claim 1, it is characterised in that:The stretching hydraulic cylinder(41)It is bidirectional hydraulic Cylinder, the first manual hydraulic pump includes the first oil storage cylinder(42), first manual reversal valve(43)With the first operation handle(44), First oil storage cylinder(42)By first manual reversal valve(43)With petroleum pipeline and stretching hydraulic cylinder(41)Connection.
3. hydraulic tensioner according to claim 2, it is characterised in that:The first manual hydraulic pump is also included for supervising Survey first manual reversal valve(43)The first pressure machine of output oil pressure(45).
4. hydraulic tensioner according to claim 1, it is characterised in that:The mechanical driving part is by stainless steel Into.
5. the hydraulic tensioner according to any one of Claims 1-4, it is characterised in that:It is also equipped with the middle of the fuselage Jacking mechanism, the jacking mechanism includes jacking block(50), piston rod and jacking block(50)The jack-up hydraulic cylinder of connection(51)And with top Play hydraulic cylinder(51)Second hydraulic hand-pump of connection;The jack-up hydraulic cylinder(51)It is fixed on the bottom of fuselage.
6. hydraulic tensioner according to claim 5, it is characterised in that:The jack-up hydraulic cylinder(51)It is bidirectional hydraulic Cylinder, second hydraulic hand-pump includes the second oil storage cylinder(52), the second hand-operated direction valve(53)With the second operation handle(54), Second oil storage cylinder(52)By the second hand-operated direction valve(53)With petroleum pipeline and jack-up hydraulic cylinder(51)Connection.
CN201611234704.0A 2016-12-28 2016-12-28 Hydraulic stretcher Pending CN106706432A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611234704.0A CN106706432A (en) 2016-12-28 2016-12-28 Hydraulic stretcher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611234704.0A CN106706432A (en) 2016-12-28 2016-12-28 Hydraulic stretcher

Publications (1)

Publication Number Publication Date
CN106706432A true CN106706432A (en) 2017-05-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611234704.0A Pending CN106706432A (en) 2016-12-28 2016-12-28 Hydraulic stretcher

Country Status (1)

Country Link
CN (1) CN106706432A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107271287A (en) * 2017-07-06 2017-10-20 东南大学 A kind of horizontal-type biaxial extension test testing machine and tensile test method
CN108717015A (en) * 2018-06-04 2018-10-30 苏州金钜松机电有限公司 A kind of thin line detection device of stretching-machine
CN108760507A (en) * 2018-04-10 2018-11-06 泰州职业技术学院 A kind of cupping machine
CN110057578A (en) * 2019-01-02 2019-07-26 襄阳金飞环彩色包装有限公司 It scalds mould machine fortune paper row chain item and stretches detection device

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CN102235940A (en) * 2010-04-23 2011-11-09 上海宝冶工程技术有限公司 Large-diameter bolt tensile strength tester
CN202057550U (en) * 2011-04-27 2011-11-30 兰州大学 Force magnetic coupling air pressure loading system
US20120048029A1 (en) * 2009-05-22 2012-03-01 Kokusai Keisokuki Kabushiki Kaisha Hydraulic system and universal testing machine
CN103487315A (en) * 2013-08-28 2014-01-01 吉林大学 Testing device for mechanical property of material
CN103512803A (en) * 2013-09-26 2014-01-15 吉林大学 Multi-load and multi-physics coupling material micromechanical performance in-situ testing instrument
CN203785963U (en) * 2014-04-03 2014-08-20 上海三原电缆附件有限公司 Device for verifying and testing mechanical strength of high-voltage cable accessory hardware fitting
CN104062182A (en) * 2014-05-16 2014-09-24 山东科技大学 Testing system for evolution process of deep mining stress field
CN104616588A (en) * 2015-01-21 2015-05-13 苏州市职业大学 Small manual hydraulic material stretching instrument
CN204406877U (en) * 2015-01-21 2015-06-17 苏州市职业大学 A kind of small-sized hand-operated hydraulic pressure material extending instrument
CN105372126A (en) * 2015-11-26 2016-03-02 上海交通大学 Microstructure observation device applicable to metal material bending deformation
CN105445125A (en) * 2016-01-18 2016-03-30 苏州达美特汽车测试技术有限公司 High-speed tensile testing machine-based part impulse test apparatus and method
CN105699193A (en) * 2016-04-08 2016-06-22 安徽大盘特种装备车辆有限公司 Weld joint tensile force testing machine
CN206292109U (en) * 2016-12-28 2017-06-30 宁波市鄞州磁泰电子科技有限公司 Hydraulic tensioner

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62189645U (en) * 1986-05-22 1987-12-02
US20120048029A1 (en) * 2009-05-22 2012-03-01 Kokusai Keisokuki Kabushiki Kaisha Hydraulic system and universal testing machine
CN102235940A (en) * 2010-04-23 2011-11-09 上海宝冶工程技术有限公司 Large-diameter bolt tensile strength tester
CN202057550U (en) * 2011-04-27 2011-11-30 兰州大学 Force magnetic coupling air pressure loading system
CN103487315A (en) * 2013-08-28 2014-01-01 吉林大学 Testing device for mechanical property of material
CN103512803A (en) * 2013-09-26 2014-01-15 吉林大学 Multi-load and multi-physics coupling material micromechanical performance in-situ testing instrument
CN203785963U (en) * 2014-04-03 2014-08-20 上海三原电缆附件有限公司 Device for verifying and testing mechanical strength of high-voltage cable accessory hardware fitting
CN104062182A (en) * 2014-05-16 2014-09-24 山东科技大学 Testing system for evolution process of deep mining stress field
CN104616588A (en) * 2015-01-21 2015-05-13 苏州市职业大学 Small manual hydraulic material stretching instrument
CN204406877U (en) * 2015-01-21 2015-06-17 苏州市职业大学 A kind of small-sized hand-operated hydraulic pressure material extending instrument
CN105372126A (en) * 2015-11-26 2016-03-02 上海交通大学 Microstructure observation device applicable to metal material bending deformation
CN105445125A (en) * 2016-01-18 2016-03-30 苏州达美特汽车测试技术有限公司 High-speed tensile testing machine-based part impulse test apparatus and method
CN105699193A (en) * 2016-04-08 2016-06-22 安徽大盘特种装备车辆有限公司 Weld joint tensile force testing machine
CN206292109U (en) * 2016-12-28 2017-06-30 宁波市鄞州磁泰电子科技有限公司 Hydraulic tensioner

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107271287A (en) * 2017-07-06 2017-10-20 东南大学 A kind of horizontal-type biaxial extension test testing machine and tensile test method
CN108760507A (en) * 2018-04-10 2018-11-06 泰州职业技术学院 A kind of cupping machine
CN108717015A (en) * 2018-06-04 2018-10-30 苏州金钜松机电有限公司 A kind of thin line detection device of stretching-machine
CN110057578A (en) * 2019-01-02 2019-07-26 襄阳金飞环彩色包装有限公司 It scalds mould machine fortune paper row chain item and stretches detection device

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