CN206020024U - Lead screw guide rails reliability test bench based on electro-hydraulic loading - Google Patents
Lead screw guide rails reliability test bench based on electro-hydraulic loading Download PDFInfo
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- CN206020024U CN206020024U CN201620522112.8U CN201620522112U CN206020024U CN 206020024 U CN206020024 U CN 206020024U CN 201620522112 U CN201620522112 U CN 201620522112U CN 206020024 U CN206020024 U CN 206020024U
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- Prior art keywords
- guide rails
- lead screw
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- hydraulic
- reliability test
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Abstract
This utility model is related to a kind of lead screw guide rails reliability test bench based on electro-hydraulic loading，Including lead screw guide rails drive part、Load applying portion and automatically control part，The lead screw guide rails drive part includes、Lower saddle and screw pair，On described、It is provided with, between lower saddle, the guide rail for cooperating，The upper saddle is provided with simulation emery wheel stressing device，The lower saddle is screwed on ground black iron by T-shaped，Feed screw nut and leading screw of the screw pair with screw thread are constituted，The leading screw connects servomotor，The load applying portion includes base，The base is connected with the Horizon ferropexy，The base is provided with direction adjustment organization，The upper surface of the direction adjustment organization is fixed with a left side by gripper shoe、Right support，The left side、Rotating shaft is fixed between right support，The rotating shaft is connected with electro-hydraulic servo loading device，The part that automatically controls is connected by communication with the lead screw guide rails drive part and the load applying portion.
Description
Technical field
This utility model is related to a kind of lead screw guide rails reliability test bench based on electro-hydraulic loading, is primarily adapted for use in number
Control grinder wheel frame feed system reliability field.
Background technology
Numerically control grinder is the machine-tool of equipment manufacture, its level of development and production capacity, directly reflects national work
The comprehensive strength of industry, plays vital effect in the national economic development.The performance of grinding machine decides equipment manufacture
Level, China's numerically control grinder have larger gap with international advanced numerically control grinder, in terms of being mainly reflected in reliability, especially
It is that precision keeps and using in terms of reliability, feed system is to affect one of critical system of numerically control grinder reliability.
Numerically control grinder is used widely in machining manufacturing industry, is driven using numerical control program control servomotor
Wheel grinding axle class, plane, curved surface etc..Numerically control grinder is usually the last one procedure of precision component processing, so numerical control grinding
The precision and the efficiency of processing that the bed quality of performance and the height of reliability are processed to part has important impact.
Either axle class numerically control grinder, or plane numerical controlled grinding machine and curved surface numerically control grinder include feed system, enter
Main Function to system is under the drive of servomotor to drive grinding carriage to realize straight-line feed by lead screw pair, so feeding
The height of system reliability will directly affect the machining accuracy of numerically control grinder.
In numerically control grinder running feed system have that leading screw positioning precision is not enough, lead screw pair moment of friction is not enough,
The problems such as leading screw temperature rise is too high, workbench vibrates excessive, damage of components, once there are these problems, the part for processing is very
Possibly waste product, has a strong impact on production efficiency, results even in serious security incident.
In order to improve the reliability of feed system, it usually needs gather the fault data of the system, further according to fault data
Propose the measure for improving feed system reliability.Under routine work load, feed system failure is less, obtains reliability data
Cycle longer, therefore wanting to obtain more data must just carry out reliability test.
Servomotor rotating speed difference in feed system, grinding force are different, centripetal force is different, so assay device must be able to
Enough simulate different operating modes, expose the operating failure of numerically control grinder feed system, be assess numerically control grinder feed system can
Data are provided by property.
Numerically control grinder is mainly no-load test in design to the test of feed system at present, and seldom carries out reliability and add
Test is carried, causes the reliability basic data of numerically control grinder feed system seldom, designer cannot accurate evaluation numerically control grinder
The reliability level of feed system.
Utility model content
In order to overcome the drawbacks described above under prior art, the purpose of this utility model to be to provide one kind based on electro-hydraulic servo
The lead screw guide rails reliability test bench of loading, the defect that experimental provision under prior art is solved by rational structure design,
The real working condition in grinding process can be simulated to be carried out dynamic and static loading and gathers related data entering calculating, evaluate numerically control grinder
Reliability to system.
The technical solution of the utility model is：A kind of lead screw guide rails reliability test bench based on electro-hydraulic loading, bag
Include lead screw guide rails drive part, load applying portion and automatically control part, the lead screw guide rails drive part includes upper and lower cunning
Saddle and screw pair, are provided with the guide rail for cooperating between the upper and lower saddle, the upper saddle is provided with simulation emery wheel and receives
Power apparatus, the lower saddle are fixed on ground black iron by T-bolt, feed screw nut of the screw pair with screw thread
Constitute with leading screw, the feed screw nut is connected with the upper saddle by feed screw nut seat, and the leading screw is by bearings in institute
State in lower saddle, one end of the leading screw connects servomotor by shaft coupling, and the servomotor is connected with the lower saddle；
The load applying portion includes base, and the base is connected with the Horizon ferropexy, and the base is provided with direction regulation
Mechanism, the upper surface of the direction adjustment organization are fixed with left and right support by gripper shoe, are connected between the left and right support
There is rotating shaft, the rotating shaft is connected with electro-hydraulic servo loading device；The part that automatically controls includes switch board and hydraulic power unit, institute
State to automatically control and be partly connected by communication with the lead screw guide rails drive part and the load applying portion.
Preferably, cannelure is provided with the middle of the rotating shaft, offer multiple on the slide plate of the electro-hydraulic servo loading device
Corresponding through hole, can by adjustment between the two position of the fixing bolt in cannelure so as to adjusting electro-hydraulic servo loading device
With the setting angle of rotating shaft, to be adapted to different loading directions.
Preferably, the rotating shaft is connected with left and right support by expansion sleeve and screw, and the two ends of the rotating shaft are round platform,
And internal thread hole is machined with shaft end, the outer wall of the expansion sleeve is provided with axial groove, the expansion sleeve inner ring connection rotating shaft, outward
The endoporus of the circle left and right support of contact, by tighten the bolt coordinated with rotating shaft by expansion sleeve be pressed into rotating shaft and left and right support it
Between, so as to make rotating shaft and left and right support be connected by frictional force, can arbitrarily adjust installation of the rotating shaft relative to left and right support
Angle.
Preferably, the guide rail is the flat composite guideways of V-, and V-type rail oil storage performance gets well and play the guiding role, level gauge
Good manufacturability, can play a part of to support and keep machine tool accuracy, and therefore the flat composite guideways of V- can be good at meeting because of grinding machine
Planker weight and movement velocity height, thus it requires the condition for preferably lubricating so that guide rail is more safe and reliable.
Preferably, the upper saddle is provided with for simulating the counterweight of inertia load, to replace motor, belt and main shaft etc.
The due weight of institute in the middle of grinding carriage reality processing process, counterbalance mass can be adjusted accordingly according to the difference of actual condition
Whole.
Preferably, the simulation emery wheel stressing device is connected with the upper saddle by bolt, the simulation emery wheel stress
The stress side of device is disc, is provided with four equally distributed force rods on the outer face of disk, the force rod
End face is sphere, and the spherical design of force rod allows to simulate the stress need that emery wheel stressing device meets multi-faceted, multi-angle
Ask.
Preferably, the direction adjustment organization includes the orthogonal guide rail mechanism of the two pairs of moving directions, the guide rail machine
The guide rail of structure is rectangular slide guide rail, and the guide rail mechanism is additionally provided with for adjusting the screw pair of displacement, the silk
In thick stick pair of nut, one end of leading screw is provided with manual adjustment knob so that electro-hydraulic servo loading device arbitrarily can be moved in the horizontal plane
Move and be maintained at locking during fixed position.
Preferably, the electro-hydraulic servo loading device includes hydraulic cylinder, and described hydraulic cylinder is double-piston rod-type hydraulic oil
Cylinder, the two ends of two piston rods respectively from the hydraulic cylinder stretch out, and the upper surface of the hydraulic cylinder has been bolted upper end
Lid, the upper end cover is connected with hydraulic cylinder bracing frame by oscillating bearing, the upper surface of the upper end cover and the hydraulic cylinder it
Between be fixed with No. 1 axle, the diameter parallel of the upper piston rod of the axis and the hydraulic cylinder of No. 1 axle is set with No. 1 axle
The end for having the linear bearing that can be slided on No. 1 axle, one end of the linear bearing and the upper piston rod is connected, the other end
Displacement transducer is connected with, the end of the lower piston rod of the hydraulic cylinder is threaded connection one end of pull pressure sensor, institute
The other end for stating pull pressure sensor connects load bar by elastic device, and the elastic device can absorb partial dislocation, bullet
The natural frequency of property device should be greater than more than the twice of excited frequency, institute's displacement sensors and the pull pressure sensor and institute
State switch board to be connected by communication, institute's displacement sensors and the pull pressure sensor can be by the signal transmissions for detecting to control
Cabinet, realizes double-closed-loop control.
Preferably, the elastic device is by top connecting plate, lower section connecting plate, two structure identical sleeves and two rule
Lattice identical bolt and nut composition, wherein top connecting plate are identical with lower section connecting board structure, described top connecting plate and
Lower section connecting plate is respectively a rectangular flat plate, and its center position is provided with tapped through hole, and the both sides of tapped through hole respectively have one
Through hole, the external diameter of 2 structure identical sleeves are more than the diameter of top connecting plate and two side through hole on the connecting plate of lower section, 2 rule
In the through hole of lattice identical bolt insertion top connecting plate and lower section connecting plate both sides, 2 structure identical sleeve sets are two
On bolt between individual connecting plate, finally it is fixed by 2 structure identical nuts again and is linked together.
Preferably, the hydraulic cylinder is provided with electrohydraulic servo valve, and the electrohydraulic servo valve communicates phase with the hydraulic power unit
Even, the electrohydraulic servo valve can accordingly export the flow and pressure of modulation after receiving analog electrical signal, with dynamic response is fast, control
The advantages of high precision processed, long service life, hydraulic power unit, control hydraulic cylinder response speed soon by electrohydraulic servo valve, control accuracy
High so that experimental data is more accurate reliable.
Preferably, sphere of the outer face of the load bar for indent, the load bar and the force rod sphere-contact,
Can ensure load bar in any direction, arbitrarily angled loading when power size and Orientation accuracy.
Preferably, the switch board includes upper industrial computer, the next programmable controller PLC and signal conversion module, institute
Upper industrial computer is stated by signal amplifier and the signal conversion module and institute's displacement sensors, pull pressure sensor and electricity
Hydraulic servo is connected by communication, and the up direction of the next programmable controller PLC is connected with the upper industrial computer communication, institute
The down direction for stating the next programmable controller PLC is connected to servo-driver and solenoid directional control valve, the servo-drive
The outfan of device is connected with the power interface of servomotor and encoder interfaces, the solenoid directional control valve and the hydraulic power unit phase
Even.
Preferably, the switch board is provided with display screen and operating board, can be with the mode of operation of set device by operating board
And test parameterss, and result of the test is intuitively presented by display screen.
The beneficial effects of the utility model are：
Compared with prior art, the lead screw guide rails reliability test based on electro-hydraulic loading described in the utility model
Platform is loaded to grinder wheel frame using hydraulic-driven, i.e., be simulated dynamic and static power load to drive system indirectly and add
Carry, so as to simulate the load born in actual grinding process by drive system, by installing related sensor, just measuring guide rail
Pressure, tilting moment, by carrying out power loading to guide rail, its load is converted into the moment of torsion of leading screw.By to tested leading screw and leading
The reliability test of real working condition simulated by rail, exposes and excite its failure, and the reliability growth and assessment for product provides basis
Data；
Lead screw guide rails reliability test bench based on electro-hydraulic loading described in the utility model, can realize to effect
The dynamic and static simulation of moment of torsion and power on simulation emery wheel stressing device, and by arranging counterweight with simulated machine, belt and master
The due weight of institute in the middle of the grinding carriage reality processing such as axle process, the amplitude of simulation grinding force and loading frequency and torque size exist
Under different operating modes, dynamic is adjustable；
Lead screw guide rails reliability test bench based on electro-hydraulic loading described in the utility model, its load applying portion
Electro-hydraulic servo loading device is made to realize 5DOF flexible by direction adjustment organization and rotating shaft so that load bar and stress
Bar can be better contacted with, so as to more enough sizes for better controling over added load and Impact direction；
Lead screw guide rails reliability test bench based on electro-hydraulic loading described in the utility model, its load applying portion
Pull pressure sensor and displacement transducer are installed, the size of the analog force of energy real-time detection loading is realized monitor in real time and closed
Ring control and feedback；Torque sensor and speed probe is simultaneously installed with, monitor in real time also can achieve to the moment of torsion for being loaded
And closed loop control, make charger that there is higher loading accuracy；
Lead screw guide rails reliability test bench based on electro-hydraulic loading described in the utility model, for different model
Carry out by grinding carriage lead screw guide rails feed system, the machine tool functional component and a small amount of installation transition piece that need to only change different model
Reliability load test, embodies motility and the versatility of this laboratory table.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is control principle block diagram of the present utility model；
Fig. 3 is the explosive view of this utility model load applying portion.
Specific embodiment
Referring to Fig. 1-3, the utility model discloses a kind of lead screw guide rails reliability test bench based on electro-hydraulic loading,
Including lead screw guide rails drive part, load applying portion and automatically control part.
The lead screw guide rails drive part includes upper and lower saddle and screw pair, is provided with phase between the upper and lower saddle
The guide rail for mutually coordinating, generally, the guide rail is good for lubrication, steering capability, the flat composite guideways of V- of high precision.The upper saddle 6
It is provided with for simulating the counterweight 7 of inertia load and simulating emery wheel stressing device 8, the simulation emery wheel stressing device passes through bolt
It is connected with the upper saddle, the stress side of the simulation emery wheel stressing device is disc, is provided with the outer face of disk
Four equally distributed force rods, the end face of the force rod is sphere.The lower saddle 22 is fixed on Horizon by T-bolt
On ferrum 3, feed screw nut and leading screw of the screw pair with screw thread are constituted, and the feed screw nut passes through feed screw nut seat
It is connected with the upper saddle, by bearings in the lower saddle, one end of the leading screw is connected the leading screw by shaft coupling 4
Servomotor 5 is connect, the servomotor is connected with the lower saddle.
The load applying portion includes that base 21, the base are provided with four U-lags, by T-bolt with described
Black iron is fixedly connected, and can arbitrarily arrange the installation position of the base according to loading direction.The base is provided with direction regulation
Mechanism, the direction adjustment organization include that the orthogonal guide rail mechanism of the two pairs of moving directions, the guide rail of the guide rail mechanism are
Rectangular slide guide rail, the guide rail mechanism are additionally provided with for adjusting the screw pair of displacement, in the screw pair
One end of leading screw is provided with manual adjustment knob so that electro-hydraulic servo loading device can arbitrarily be moved in the horizontal plane and is maintained at
Locking during fixed position.The upper surface of the direction adjustment organization is fixed with left socle 18 and right support by gripper shoe 20
19, rotating shaft 17 is fixed between the left and right support, the rotating shaft is connected with left and right support by expansion sleeve and screw, described
The two ends of rotating shaft are round platform, and are machined with internal thread hole in shaft end, and the outer wall of the expansion sleeve is provided with axial groove, the swelling
Set inner ring connection rotating shaft, outer ring contact the endoporus of left and right support, turn expansion sleeve press-in by tightening the bolt coordinated with rotating shaft
Between axle and left and right support, so as to make rotating shaft and left and right support be connected by frictional force, arbitrarily can adjust rotating shaft relative to
The setting angle of left and right support.The rotating shaft is also associated with electro-hydraulic servo loading device, is provided with cannelure in the middle of the rotating shaft,
Multiple corresponding through holes are offered on the slide plate 16 of the electro-hydraulic servo loading device, can pass through adjustment fixing bolt between the two
Position in cannelure so as to adjust the setting angle of electro-hydraulic servo loading device and rotating shaft, to be adapted to different loading sides
To.The electro-hydraulic servo loading device includes hydraulic cylinder 13, described hydraulic cylinder be double-piston rod-type hydraulic jack and be provided with
The electrohydraulic servo valve 12 that hydraulic power unit is connected by communication, the two ends of two piston rods respectively from the hydraulic cylinder stretch out, the hydraulic pressure
The upper surface of cylinder has been bolted upper end cover, and the upper end cover is connected with hydraulic cylinder bracing frame 15 by oscillating bearing 14,
Be fixed with No. 1 axle between the upper surface of the upper end cover and the hydraulic cylinder, the axis and the hydraulic cylinder of No. 1 axle upper
The diameter parallel of piston rod, is set with the linear bearing that can be slided on No. 1 axle on No. 1 axle, and the one of the linear bearing
The end of end and the upper piston rod is connected, and the other end is connected with displacement transducer, the end of the lower piston rod of the hydraulic cylinder
One end of pull pressure sensor 11 is threaded connection, the other end of the pull pressure sensor is added by the connection of elastic device 10
Bar 9 is carried, the outer face of the load bar is the sphere of indent, the load bar and the force rod sphere-contact.The elasticity
Device is made up of top connecting plate, lower section connecting plate, two structure identical sleeves and two specification identical bolts and nut,
Wherein top connecting plate is identical with lower section connecting board structure, and described top connecting plate is respectively flat for a rectangle with lower section connecting plate
Plate, its center position are provided with tapped through hole, and respectively there is a through hole both sides of tapped through hole, 2 structure identical sleeves
External diameter connects above 2 specification identical bolt insertions more than top connecting plate and the diameter of two side through hole on the connecting plate of lower section
In the through hole of plate and lower section connecting plate both sides, on the bolt of 2 structure identical sleeve sets between two connecting plates, finally
It is fixed by 2 structure identical nuts again and is linked together.
The part that automatically controls includes that switch board 2 and hydraulic power unit 1, the switch board include upper industrial computer, bottom
Programmable controller PLC and signal conversion module, the signal conversion module include D/A cards and A/D cards, the upper industrial computer
By signal amplifier and the signal conversion module and the communication of institute's displacement sensors, pull pressure sensor and electrohydraulic servo valve
It is connected, the up direction of the next programmable controller PLC is connected with the upper industrial computer communication, described the next programmable
The down direction of controller PLC is connected to servo-driver and solenoid directional control valve, the outfan of the servo-driver with
The power interface of servomotor and encoder interfaces connection, the solenoid directional control valve are connected with the hydraulic power unit, the control
Cabinet is additionally provided with display screen and operating board, with the mode of operation of set device and test parameterss, and can be passed through to show by operating board
Result of the test is intuitively presented by screen.
Referring to the flow chart of Fig. 2, when reliability test is carried out to tested lead screw guide rails, first according to dynamic and static cutting
The size of power and direction, adjust position and the angle of electro-hydraulic servo loading device, enable the axis of load bar to be registered to mould
Intend, on the sphere of emery wheel stressing device, then in the VB controlling interfaces of switch board, selecting certain parameter, lead to upper industrial computer
Cross RS-232C ports to be communicated with programmable controller PLC, programmable controller PLC passes through servo driver drives servo
Motor, while obtaining signal by torque sensor and speed probe, and signal is passed back by signal amplifier and A/D cards
To upper industrial computer, closed loop control is realized.The true grinding machining working condition that simulates as needed simultaneously, is arranged by operating board and is added
Power, frequency of vibration, Loaded contact analysis, load time, the loading parameters such as moment of torsion and rotating speed are carried, after on-test, PLC is controlled
Servomotor makes that saddle sky enters and work is entered, and upper industrial computer controls hydraulic pressure by electrohydraulic servo valve after receiving loading feedback signal
Cylinder makes load be added in lead screw guide rails indirectly to simulating the loading of emery wheel stressing device, meanwhile, the displacement being associated with hydraulic cylinder is passed
The signal for detecting is returned to upper industrial computer by signal amplifier and A/D cards by sensor and pull pressure sensor, is realized double
Closed loop control.After loading procedure terminates, the piston rod of electrohydraulic servo valve control hydraulic cylinder is retracted, and upper industrial computer continues control and watches
The motion of Motor drive lead screw guide rails is taken, under the automatically controlling and detect of upper industrial computer, whole process of the test circulation is in an orderly manner
Constantly carry out.
Enforcement described in this utility model patent is for the ease of the those skilled in the art it will be appreciated that and application
This utility model, this utility model is a kind of embodiment of optimization, or perhaps a kind of preferably specific technical scheme,
It is only applicable to a range of different model, and various sizes of grinding carriage lead screw guide rails carry out reliability test, scope it
Outer different model, the reliability test of various sizes of lead screw guide rails, basic technical scheme are constant, but parts used by which
Specifications and models will change therewith, such as pull pressure sensor, leading screw bearing and other standard components.Therefore this utility model patent
It is not limited to implement a kind of this description of more specific technical scheme.If the technical staff of correlation is adhering to this utility model patent
The equivalent structure change or various modifications that need not move through creative work is made in the case of basic technical scheme all in this reality
With in new protection domain.
Claims (10)
1. a kind of lead screw guide rails reliability test bench based on electro-hydraulic loading, it is characterised in that including lead screw guide rails drive division
Point, load applying portion and automatically control part, the lead screw guide rails drive part includes upper and lower saddle and screw pair,
The guide rail for cooperating is provided between the upper and lower saddle, and the upper saddle is provided with simulation emery wheel stressing device, the downslide
Saddle is fixed on ground black iron by T-bolt, and feed screw nut and leading screw of the screw pair with screw thread are constituted, described
Feed screw nut is connected by feed screw nut seat and the upper saddle, the leading screw by bearings in the lower saddle, described
One end of leading screw connects servomotor by shaft coupling, and the servomotor is connected with the lower saddle；The load applying unit
Dividing includes base, and the base is connected with the Horizon ferropexy, and the base is provided with direction adjustment organization, and the direction is adjusted
The upper surface of section mechanism is fixed with left and right support by gripper shoe, is fixed with by expansion sleeve and turns between the left and right support
Axle, the rotating shaft two ends are taper and are provided with internal thread hole, and the outer wall of the expansion sleeve is provided with a plurality of axial groove, the swelling
Be set in the rotating shaft two ends, the expansion sleeve by the bolt coordinated with rotating shaft be pressed in rotating shaft and left and right support it
Between, make the rotating shaft and the left and right support be connected by frictional force, the rotating shaft is connected with electro-hydraulic servo loading device；Institute
State and automatically control part and include switch board and hydraulic power unit, described automatically control part and the lead screw guide rails drive part and institute
State load applying portion to be connected by communication.
2. the lead screw guide rails reliability test bench based on electro-hydraulic loading as claimed in claim 1, it is characterised in that described
Guide rail is the flat composite guideways of V-.
3. the lead screw guide rails reliability test bench based on electro-hydraulic loading as claimed in claim 2, it is characterised in that described
Upper saddle is provided with for simulating the counterweight of inertia load.
4. the lead screw guide rails reliability test bench based on electro-hydraulic loading as claimed in claim 3, it is characterised in that described
Simulation emery wheel stressing device is connected with the upper saddle by bolt, and the stress side of the simulation emery wheel stressing device is disk
Shape, is provided with four equally distributed force rods on the outer face of disk, and the end face of the force rod is sphere.
5. the lead screw guide rails reliability test bench based on electro-hydraulic loading as claimed in claim 4, it is characterised in that described
Direction adjustment organization includes that the orthogonal guide rail mechanism of the two pairs of moving directions, the guide rail of the guide rail mechanism are led for rectangular slide
Rail, the guide rail mechanism are additionally provided with for adjusting the screw pair of displacement, one end of leading screw in the screw pair
It is provided with manual adjustment knob.
6. the lead screw guide rails reliability test bench based on electro-hydraulic loading as claimed in claim 5, it is characterised in that described
Electro-hydraulic servo loading device includes hydraulic cylinder, and described hydraulic cylinder is double-piston rod-type hydraulic jack, two piston rods respectively from
The two ends of the hydraulic cylinder are stretched out, and the upper surface of the hydraulic cylinder has been bolted upper end cover, and the upper end cover is by closing
Bearings are connected with hydraulic cylinder bracing frame, are fixed with No. 1 axle between the upper surface of the upper end cover and the hydraulic cylinder, and described 1
The diameter parallel of the upper piston rod of the axis and the hydraulic cylinder of number axle, is set with No. 1 axle and can slide on No. 1 axle
The end of linear bearing, one end of the linear bearing and the upper piston rod is connected, and the other end is connected with displacement transducer, institute
The end for stating the lower piston rod of hydraulic cylinder is threaded connection one end of pull pressure sensor, the pull pressure sensor another
End connects load bar by elastic device, and institute's displacement sensors and the pull pressure sensor communicate phase with the switch board
Even.
7. the lead screw guide rails reliability test bench based on electro-hydraulic loading as claimed in claim 6, it is characterised in that described
Hydraulic cylinder is provided with electrohydraulic servo valve, and the electrohydraulic servo valve is connected by communication with the hydraulic power unit.
8. the lead screw guide rails reliability test bench based on electro-hydraulic loading as claimed in claim 7, it is characterised in that described
Sphere of the outer face of load bar for indent, the load bar and the force rod sphere-contact.
9. the lead screw guide rails reliability test bench based on electro-hydraulic loading as claimed in claim 8, it is characterised in that described
Switch board includes that upper industrial computer, the next programmable controller PLC and signal conversion module, the upper industrial computer pass through signal
Amplifier and the signal conversion module are connected by communication with institute displacement sensors, pull pressure sensor and electrohydraulic servo valve, institute
The up direction for stating the next programmable controller PLC is connected with the upper industrial computer communication, the next Programmable Logic Controller
The down direction of PLC is connected to servo-driver and solenoid directional control valve, the outfan of the servo-driver and servo electricity
The power interface of machine and encoder interfaces connection, the solenoid directional control valve are connected with the hydraulic power unit.
10. the lead screw guide rails reliability test bench based on electro-hydraulic loading as claimed in claim 9, it is characterised in that described
Switch board is provided with display screen and operating board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620522112.8U CN206020024U (en) | 2016-06-01 | 2016-06-01 | Lead screw guide rails reliability test bench based on electro-hydraulic loading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620522112.8U CN206020024U (en) | 2016-06-01 | 2016-06-01 | Lead screw guide rails reliability test bench based on electro-hydraulic loading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206020024U true CN206020024U (en) | 2017-03-15 |
Family
ID=58242605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620522112.8U Expired - Fee Related CN206020024U (en) | 2016-06-01 | 2016-06-01 | Lead screw guide rails reliability test bench based on electro-hydraulic loading |
Country Status (1)
| Country | Link |
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| CN (1) | CN206020024U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017959A (en) * | 2016-06-01 | 2016-10-12 | 北京第二机床厂有限公司 | Lead screw guide rail reliability testing stand based on electro-hydraulic servo loading |
| CN107728606A (en) * | 2017-11-13 | 2018-02-23 | 吉林大学 | Servo feed system reliability test and test method |
| CN107941489A (en) * | 2017-11-21 | 2018-04-20 | 北华大学 | Simulate the standard section of tower crane reliability test bench of actual condition loading |
| CN110307976A (en) * | 2019-08-07 | 2019-10-08 | 烟台中宇航空液压有限公司 | Electro-hydraulic servo feed system reliability test |
-
2016
- 2016-06-01 CN CN201620522112.8U patent/CN206020024U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017959A (en) * | 2016-06-01 | 2016-10-12 | 北京第二机床厂有限公司 | Lead screw guide rail reliability testing stand based on electro-hydraulic servo loading |
| CN106017959B (en) * | 2016-06-01 | 2019-05-10 | 北京第二机床厂有限公司 | Lead screw guide rails reliability test bench based on electro-hydraulic loading |
| CN107728606A (en) * | 2017-11-13 | 2018-02-23 | 吉林大学 | Servo feed system reliability test and test method |
| CN107941489A (en) * | 2017-11-21 | 2018-04-20 | 北华大学 | Simulate the standard section of tower crane reliability test bench of actual condition loading |
| CN110307976A (en) * | 2019-08-07 | 2019-10-08 | 烟台中宇航空液压有限公司 | Electro-hydraulic servo feed system reliability test |
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