CN106370515A - Stress loading device with integrated control - Google Patents

Stress loading device with integrated control Download PDF

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Publication number
CN106370515A
CN106370515A CN201610914716.1A CN201610914716A CN106370515A CN 106370515 A CN106370515 A CN 106370515A CN 201610914716 A CN201610914716 A CN 201610914716A CN 106370515 A CN106370515 A CN 106370515A
Authority
CN
China
Prior art keywords
loading device
stress loading
ball
screw
outer housing
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
CN201610914716.1A
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Chinese (zh)
Inventor
杨中燕
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.)
Shanghai Kell Dreyfus Stress Corrosion Test Equipment Co Ltd
Original Assignee
Shanghai Kell Dreyfus Stress Corrosion Test Equipment 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 Shanghai Kell Dreyfus Stress Corrosion Test Equipment Co Ltd filed Critical Shanghai Kell Dreyfus Stress Corrosion Test Equipment Co Ltd
Priority to CN201610914716.1A priority Critical patent/CN106370515A/en
Publication of CN106370515A publication Critical patent/CN106370515A/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
    • G01N3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00Investigating resistance of materials to the weather, to corrosion, or to light
    • 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
    • G01N3/56Investigating resistance to wear or abrasion
    • 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
    • G01N2203/005Electromagnetic means

Abstract

The invention provides a stress loading device with integrated control. The device comprises an outer cover, and an electric control assembly and a transmission assembly are arranged in the outer cover. The electric control assembly comprises a controller and a servo motor driver connected with the controller. The transmission assembly comprises a servo motor, a speed reducer, a ball screw and a guide sleeve. The servo motor driver is connected with the servo motor. The servo motor is connected with the speed reducer. Output of the speed reducer is loaded on the ball screw, the guide sleeve is arranged on a nut of the ball screw, and the guide sleeve is used for being matched with a guiding device so as to guide the ball screw. The electric control assembly is integrated in the stress loading device, the problems that wire connection is difficult and control line signals are delayed, distorted and easily interfered are solved, a power connection line between the servo motor driver and the servo motor is greatly shortened, and electrical noise generated by a power line during work is lowered.

Description

A kind of integrated stress loading device of control
Technical field
The present invention relates to stress corrosion (cracking) test equipment technical field, control integrated stress loading dress particularly to a kind of Put.
Background technology
Stress corrosion (cracking) test equipment is a kind of emerging material testing apparatus in market, can carry out corrosion fatigue, slow judgement of speed change The tests such as rate stretching, stress corrosion cracking (SCC) extension, for different test forms, its load mode is roughly the same.In order to load The blocking of device and seriation, individually a kind of loading unit of can be used on stress corrosion (cracking) test equipment of research and development is that have very much must Want.
Testing machine industry has a kind of servo-drive loader at present, its Patent No. 201220551645.0.It is mainly tied Structure is: servomotor, planet-gear speed reducer, the first installation set, deep groove ball bearing, guiding optical axis, linear bearing, load sensing Device, installing plate, the second installation set, guide plate, ball-screw nut, thrust ball bearing, bearing block, ball-screw.Servomotor It is connected with the input of planet-gear speed reducer, planet-gear speed reducer is arranged in the first installation set, the output of planet-gear speed reducer Axle is connected with ball-screw;First installation set is fixed on bearing block, and ball-screw passes through thrust ball bearing and deep groove ball bearing It is fixed on bearing block;Ball-screw nut is fixed in the second installation set, and the second installation set and guide plate connect, on guide plate It is fixed with least two linear bearings;Load sensor is arranged on guide plate, the rotation driving load sensor of servomotor Rectilinear movement.
There is following defect in above-mentioned servo-drive loader:
1st, total is the executable portion of loading unit, and its control section and parameter acquisition part are not integrated in loading In device, certainly will individually do place beyond a control module is placed in main frame it is impossible to the effectively utilizes device space.And, The line of control module and loader will be excessively numerous and diverse tediously long, is difficult to arrange.For controlling the line of servomotor, Increase the probability producing electromagnetic interference, and the phenomenon of signal delay and distortion easily occurs.
2nd, structure is guided using guide plate, guiding optical axis and linear bearing, because linear bearing at least will use two Individual, and all it is fixed on the bearing in the hole of guide plate, do not adjust surplus during installation, will certainly be to guide plate, installing plate and bearing The machining accuracy of seat has higher requirements, and phenomenon that installation difficulty or frictional resistance increase otherwise occurs.
3rd, ball-screw is fixed using two pieces thrust ball bearing and deep groove ball bearing and guides, and occupies larger Installing space.
4th, overall structure does not have shell to protect, and for ball-screw and linear bearing, is easily accessible dust impurity mill Damage its internal precision part, reduce service life or directly contribute damage.
Content of the invention
It is an object of the invention to provide a kind of control integrated stress loading device, to solve existing stress corrosion On testing equipment use loading unit due to mostly control section being separately positioned in switch board, various controls in executable portion Line processed and holding wire will lead to switch board, the wiring trouble being led to, the problem being difficult to arrange, impact is attractive in appearance.
The second object of the present invention is to provide a kind of control integrated stress loading device, to solve existing stress Between the servo-driver of the servosystem on corrosion testing equipment and servomotor, connecting line lengthens, and connecting line is long causes Power line between signal attenuation, and servo-driver and servomotor is long to be caused to produce stronger electromagnetic interference, shadow Ring the problem of the precision of weak-signal measurement.
For achieving the above object, the invention provides a kind of integrated stress loading device of control, including outer housing, described It is provided with electric controling assembly and transmission component, described electric controling assembly is included controller and is connected with described controller in outer housing Motor servo driver, described transmission component includes servomotor, reductor, ball-screw and guide pin bushing, described servomotor Driver is connected with described servomotor, and described servomotor is connected with described reductor, and the output of described reductor is carried in On described ball-screw, described guide pin bushing is arranged on the nut of described ball-screw, and described guide pin bushing is used for and guider cooperation Think described ball screw guiding.
It is preferred that being additionally provided with fixed plate in described outer housing, described fixed plate and some columns connect into firm rigidity Body, is provided with installation set above described fixed plate, described controller, motor servo driver, servomotor and reductor setting Above described installation set, one end of described ball-screw is located above described installation set, after the other end passes through described installation set It is connected with described guide pin bushing.
It is preferred that also including the flat board being arranged in described fixed plate, the space in described outer housing is divided into by described flat board Upper and lower two parts, and be used for carrying described controller, motor servo driver.
It is preferred that also including angular contact ball bearing, described angular contact ball bearing is arranged in bearing block, described bearing block peace It is contained in the lower section of installation set, described angular contact ball bearing is used for the junction of described reductor and described ball-screw being carried out determine Position and support.
It is preferred that the upper end of described angular contact ball bearing is locked on ball-screw by double nut.
It is preferred that described guider includes guide rail and slide block, described guide rail is fixed in described outer housing, outside described guide pin bushing Side is fixedly connected with the side of described slide block, and the opposite side of described slide block is coordinated with described slide.
It is preferred that being provided with the plane milling out outside described guide pin bushing, described slide block fixedly mounts on the plane.
It is preferred that the bottom of described outer housing includes an installing plate, described installing plate is used for installing force loading device To on main frame.
It is preferred that also including load sensor, described load sensor is arranged at the bottom of guide pin bushing.
It is preferred that the outside of described outer housing is provided with and off switch knob, power supply indicator, up and down spacing display lamp, mark One or more of chi and pointer.
Apparatus of the present invention have the advantages that
1st, electric control module integrated installation, among stress loading unit, solves line difficulty and control line signal prolongs Late, distortion, easily disturbed problem.
2nd, highly shortened the pneumatic connecting lines between servo-driver and servomotor, when reducing power line work The electrical noise externally producing.
3rd, using a pair of angular contact ball bearing, ball-screw is positioned and fixed, be greatly saved installing space.
4th, the nut of ball-screw uses the mode anti-rotation of ball line slideway, and during installation, it all may be used in direction around Adjust it is easy to install positioning.
5th, stress loading unit setting on and off switch and display lamp, convenient use and observation, and when being in an emergency Have a power failure in time and check.
6th, on outer housing, scale and pointer are installed, facilitate laboratory technician's up-down adjustment feed screw nut it is ensured that sample has foot when testing Enough deformation spaces.
7th, surrounding installs protective cover, not only prevents dust and impurity to enter inside configuration, whole stress loading list of making a new start The good looking appearance of unit is generous, and globality is higher.
Brief description
Fig. 1 controls integrated stress loading device composition structure chart for what the preferred embodiment of the present invention provided;
Fig. 2 controls integrated stress loading device external structure for what the preferred embodiment of the present invention provided.
Label declaration: 1- outer housing;2- motor servo driver;3- reductor;4- installation set;5- double nut;6- fixed plate; 7- bearing block;8- ball-screw;9- column;10- guide pin bushing;11- load sensor;12- installing plate;13- slide block;14- guide rail; 15- angular contact ball bearing;16- flat board;17- controller;18- servomotor;19- power supply indicator;20- on and off switch knob; 21- spacing display lamp up and down;22- scale and pointer module.
Specific embodiment
For the present invention is better described, hereby with a preferred embodiment, and coordinate accompanying drawing that the present invention is elaborated, specifically As follows:
As shown in figure 1, a kind of integrated stress loading device of control of the present embodiment offer, including outer housing 1, outer housing 1 Inside it is provided with electric controling assembly and transmission component, wherein, electric controling assembly is included controller 17 and is connected with controller 17 Motor servo driver 2, transmission component includes servomotor 18, reductor 3, ball-screw 8 and guide pin bushing 10, and servomotor drives Device 2 is connected with servomotor 18, and servomotor 18 is connected with reductor 3, and the output of reductor 3 is carried on ball-screw 8, leads Set 10 is arranged on the nut of ball-screw 8, and guide pin bushing 10 is used for thinking that ball screw 8 guides with guider cooperation.So, when Servomotor drive ball screw turns when, feed screw nut under the restriction of guide pin bushing, with guider routing motion.This set Mode improve ball-screw 8 job stability it is achieved that straight line load function.
The stress loading device of the present embodiment passes through electric controling assembly integrated installation, among stress loading device, to join Close the function that transmission component realizes stress loading, meanwhile, the mode of this integrated installation solves existing stress loading unit Middle control section and parameter acquisition part are installed separately the problem that the line causing is tediously long, be difficult to arrange.Highly shortened and watch Take the pneumatic connecting lines between driver and servomotor, reduce the electrical noise externally producing during power line work.
In the present embodiment, in outer housing 1, it is additionally provided with fixed plate 6, fixed plate 6 and 4 columns 9 connect into firm rigidity Body, in order to support and fixing device in each several part part and structure.Wherein, the top of fixed plate 6 is provided with installation set 4, Servomotor 18 and reductor 3 are arranged at the top of installation set 4, and one end of ball-screw 8 is located at top and the deceleration of installation set 4 The outfan of machine 2 is connected, and the other end is connected with guide pin bushing 10 after passing through installation set 4, is constituted firm device overall structure with this.
Further, this device also includes the flat board 16 being arranged in fixed plate 6, and the space in outer housing 1 is divided by flat board 16 For upper and lower two parts, and for carrying controller and motor servo driver in the outer housing of part.Wherein, outer housing 1 Upper and lower two partly can be arranged as required to for Split type structure as shown in Figure 1 it is also possible to be set to overall structure, this area It is to be fixed on outer housing by clamping, the mode such as be spirally connected, weld to can achieve this that technical staff can be arranged as required to flat board The purpose of bright fixing various pieces construction package.Flat board 16 also installs various other required electric components above, including In addition to motor servo driver 2, controller 17 as conversion electric power, circuit board etc. (in figure is not drawn into).
This device also includes angular contact ball bearing 15, and this angular contact ball bearing 15 is arranged in bearing block 7, and bearing block 7 Be arranged on the lower section of installation set 4, angular contact ball bearing 15 be used for the junction of reductor 3 and ball-screw 8 is carried out positioning and Support.Wherein, the upper end of angular contact ball axle 15 carries out being locked on ball-screw 8 by double nut 5.Wherein, corner connection here Tactile ball bearing is set to a pair, by using a pair of angular contact ball bearing, above-mentioned ball-screw is positioned and is fixed, pole Big saves installing space.
Guider in the present embodiment includes guide rail 14 and matched slide block 13, and wherein, guide rail 14 is fixing outside In cover 1, the side connection fastened to each other of the outside of guide pin bushing 10 and slide block 13, and the opposite side of slide block 13 is slided with guide rail 14 and joins Close, both met slide block and guide rail relative position relation in the horizontal plane, and so that slide block is carried out up and down relative to this guide rail again Slidably.The guideway that slide block can only move along a straight line with guide rail composition, on the one hand plays prevention ball screw through nut rotation Effect, on the other hand play the effect being vertically directed.
Specifically, as shown in figure 1, the outside of guide pin bushing 10 is provided with two planes milling out, slide block 13 is fixedly mounted on this In two planes.Wherein, this slide block 13 is ball slider, and the ball side of ball slider is coordinated with guide rail, realizes opposite rail 14 slip.And the guide rail 14 in the present embodiment is fixedly mounted on column 9, to realize the fixation of housing (outer housing) relatively, In other preferred embodiments, guide rail also can be directly anchored between bottom and the flat board of outer housing, and the present invention does not limit the tool of guide rail Body set-up mode, its outer housing relatively is fixing, and those skilled in the art all should comprise to the various modifications of the concrete setting of guide rail Within the scope of the present invention.
Further, the bottom of the outer housing 1 of the stress loading device of the present embodiment also includes an installing plate 12, this installing plate The 12 stress loading devices being used for providing the present invention are installed to corresponding main frame, also function to coordinate the week of outer housing 1 simultaneously Form the housing of a closing to side wall and top, it is to avoid dust and impurity enter inside device.
Refer again to Fig. 1, the stress loading device that the present embodiment provides also includes load sensor 11, load sensor 11 It is arranged at the bottom of guide pin bushing 10.So, when servomotor drives ball screw turns, the feed screw nut of ball-screw 8 is just Move up and down together with guide pin bushing 10 and load sensor 11 it is achieved that straight line load function.
As shown in Fig. 2 being provided with and off switch knob 20, power supply instruction outside the outer housing 1 of device of the present embodiment offer Lamp 19, up and down spacing display lamp 21, scale and pointer module 22.The on and off switch of this stress loading device setting and display lamp, Convenient use and observation, and the inspection that has a power failure in time when being in an emergency.And scale and pointer are installed on outer housing, convenient experiment Member up-down adjustment feed screw nut it is ensured that test when sample have enough deformation spaces.In other preferred embodiments, outer housing also may be used To be arranged as required to other operation buttons or function instruction structure part etc..According to different needs, outer housing can be arranged The louvre of multi-form, or setting heat abstractor (radiator fan of inclusion louvre and cooperation, heat-transfer device etc.) is internally, Form heat dissipation channel etc., to improve the working effect of apparatus of the present invention further and to extend its service life.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any Those skilled in the art the invention discloses technical scope in, the correlation done of stress loading device that the present invention is provided Any deformation or replacement, all should be included within the scope of the present invention.Therefore, protection scope of the present invention should be with described Scope of the claims be defined.

Claims (10)

1. a kind of integrated stress loading device of control, it is characterised in that including outer housing, is provided with electrical control in described outer housing Assembly and transmission component, described electric controling assembly includes controller and the motor servo driver being connected with described controller, Described transmission component includes servomotor, reductor, ball-screw and guide pin bushing, described motor servo driver and described servo electricity Machine is connected, and described servomotor is connected with described reductor, and the output of described reductor is carried on described ball-screw, described Guide pin bushing is arranged on the nut of described ball-screw, and described guide pin bushing is used for thinking that described ball screw is led with guider cooperation To.
2. the integrated stress loading device of control according to claim 1 is it is characterised in that also set up in described outer housing There is fixed plate, described fixed plate and some columns connect into firm rigid body, are provided with installation set, institute above described fixed plate State controller, motor servo driver, servomotor and reductor and be arranged above described installation set, the one of described ball-screw End is located above described installation set, and the other end is connected with described guide pin bushing after passing through described installation set.
3. according to claim 2 control integrated stress loading device it is characterised in that also including being arranged on described Flat board in fixed plate, the space in described outer housing is divided into upper and lower two parts by described flat board, and is used for carrying described control Device, motor servo driver.
4. the integrated stress loading device of control according to claim 2 is it is characterised in that also include angular contact ball axle Hold, described angular contact ball bearing is arranged in bearing block, described bearing block is arranged on the lower section of installation set, described angular contact ball axle Hold for being positioned to the junction of described reductor and described ball-screw and supporting.
5. according to claim 4 control integrated stress loading device it is characterised in that described angular contact ball bearing Upper end be locked on ball-screw by double nut.
6. the integrated stress loading device of control according to claim 1 is it is characterised in that described guider includes Guide rail and slide block, described guide rail is fixed in described outer housing, is fixedly connected with the side of described slide block, described cunning outside described guide pin bushing The opposite side of block and described slide cooperation.
7. the integrated stress loading device of control according to claim 6 is it is characterised in that arrange outside described guide pin bushing There is the plane milling out, described slide block fixedly mounts on the plane.
8. the integrated stress loading device of control according to claim 1 is it is characterised in that the bottom of described outer housing is wrapped Include an installing plate, described installing plate is used for for stress loading device being installed to main frame.
9. the integrated stress loading device of control according to claim 1 is it is characterised in that also include load sensing Device, described load sensor is arranged at the bottom of guide pin bushing.
10. according to claim 1 control integrated stress loading device it is characterised in that the outside of described outer housing It is provided with and off switch knob, power supply indicator, up and down one or more of spacing display lamp, scale and pointer.
CN201610914716.1A 2016-10-20 2016-10-20 Stress loading device with integrated control Pending CN106370515A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610914716.1A CN106370515A (en) 2016-10-20 2016-10-20 Stress loading device with integrated control

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Application Number Priority Date Filing Date Title
CN201610914716.1A CN106370515A (en) 2016-10-20 2016-10-20 Stress loading device with integrated control

Publications (1)

Publication Number Publication Date
CN106370515A true CN106370515A (en) 2017-02-01

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CN201610914716.1A Pending CN106370515A (en) 2016-10-20 2016-10-20 Stress loading device with integrated control

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116148049A (en) * 2023-04-14 2023-05-23 华北科技学院(中国煤矿安全技术培训中心) Multi-point electric servo combined integral synchronous loading system and method

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CN1531172A (en) * 2003-03-06 2004-09-22 ��Ħ��������ʽ���� Servo-type motor with built-in driving circuit
CN2783384Y (en) * 2005-04-27 2006-05-24 袁卫华 Integrated intelligent servo motor
CN101150272A (en) * 2007-11-09 2008-03-26 大连光洋科技工程有限公司 Bus type intelligent motor
CN201203558Y (en) * 2008-06-03 2009-03-04 上海华龙测试仪器有限公司 Microcomputer control stress relaxation tester
CN102141484A (en) * 2010-12-29 2011-08-03 天津大学 Multi-functional portable electric servo control loading device and loading method thereof
CN102944419A (en) * 2012-11-18 2013-02-27 吉林大学 Ball screw pair reliability test stand provided with electro-hydraulic servo loading devices
CN203324707U (en) * 2013-05-23 2013-12-04 杭州娃哈哈科技有限公司 Integrated servo motor control system based on single cable
CN204403309U (en) * 2015-01-09 2015-06-17 人本集团有限公司 Servo-drive loader
CN206132499U (en) * 2016-10-20 2017-04-26 上海凯尔孚应力腐蚀试验设备有限公司 Stress loading device of control integration ization

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1531172A (en) * 2003-03-06 2004-09-22 ��Ħ��������ʽ���� Servo-type motor with built-in driving circuit
CN2783384Y (en) * 2005-04-27 2006-05-24 袁卫华 Integrated intelligent servo motor
CN101150272A (en) * 2007-11-09 2008-03-26 大连光洋科技工程有限公司 Bus type intelligent motor
CN201203558Y (en) * 2008-06-03 2009-03-04 上海华龙测试仪器有限公司 Microcomputer control stress relaxation tester
CN102141484A (en) * 2010-12-29 2011-08-03 天津大学 Multi-functional portable electric servo control loading device and loading method thereof
CN102944419A (en) * 2012-11-18 2013-02-27 吉林大学 Ball screw pair reliability test stand provided with electro-hydraulic servo loading devices
CN203324707U (en) * 2013-05-23 2013-12-04 杭州娃哈哈科技有限公司 Integrated servo motor control system based on single cable
CN204403309U (en) * 2015-01-09 2015-06-17 人本集团有限公司 Servo-drive loader
CN206132499U (en) * 2016-10-20 2017-04-26 上海凯尔孚应力腐蚀试验设备有限公司 Stress loading device of control integration ization

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116148049A (en) * 2023-04-14 2023-05-23 华北科技学院(中国煤矿安全技术培训中心) Multi-point electric servo combined integral synchronous loading system and method
CN116148049B (en) * 2023-04-14 2024-01-09 华北科技学院(中国煤矿安全技术培训中心) Multi-point electric servo combined integral synchronous loading system and method

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