CN106370515A - Stress loading device with integrated control - Google Patents
Stress loading device with integrated control Download PDFInfo
- 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
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- loading device
- stress loading
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- screw
- outer housing
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- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 28
- 238000003801 milling Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 abstract description 7
- 230000003111 delayed effect Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 10
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 238000005336 cracking Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- 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
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
-
- 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
- G01N3/56—Investigating resistance to wear or abrasion
-
- 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
- G01N2203/005—Electromagnetic means
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- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Transmission Devices (AREA)
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
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.
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 |
Applications Claiming Priority (1)
| 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 |
Family
ID=57895950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610914716.1A Pending CN106370515A (en) | 2016-10-20 | 2016-10-20 | Stress loading device with integrated control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106370515A (en) |
Cited By (1)
| 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 |
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Application publication date: 20170201 |