CN107830998A - Heavy type numerical control metal-planing machine mobile work platform reliability test - Google Patents
Heavy type numerical control metal-planing machine mobile work platform reliability test Download PDFInfo
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- CN107830998A CN107830998A CN201711049417.7A CN201711049417A CN107830998A CN 107830998 A CN107830998 A CN 107830998A CN 201711049417 A CN201711049417 A CN 201711049417A CN 107830998 A CN107830998 A CN 107830998A
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- 238000006073 displacement reaction Methods 0.000 claims description 94
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 30
- 238000009434 installation Methods 0.000 claims description 17
- 229910052742 iron Inorganic materials 0.000 claims description 15
- 230000002787 reinforcement Effects 0.000 claims description 10
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- 241001416181 Axis axis Species 0.000 claims description 3
- 210000002435 Tendons Anatomy 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 abstract description 21
- 230000003068 static Effects 0.000 abstract description 10
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- 229910000831 Steel Inorganic materials 0.000 description 3
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- 230000000875 corresponding Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 235000005035 ginseng Nutrition 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The present invention relates to a kind of heavy type numerical control metal-planing machine mobile work platform reliability test, belongs to heavy-duty machinery process unit reliability test technical field；The problem of dry run experiment or field reliability test can only be carried out to heavy numerical control gantry planer at present by overcoming.The testing stand includes balancing weight inertia loading section, loading slave part, X-direction loading section, Y-direction loading section, Z-direction loading section and automatically controls part；The present invention is realized using piezoelectric ceramics actuator and workbench X is loaded to, the high frequency cutting force of Y-direction, Z-direction, using magnetic powder brake realize to workbench X to static state, low frequency cutting force loading, using hydraulic servo oil cylinder realize to the static state of workbench Y-direction and Z-direction, the loading of low frequency cutting force.
Description
Technical field
The invention belongs to heavy cutting process equipment reliability test technical field, more particularly to one kind can simulate inertia
Power, dynamic cutting force, the heavy type numerical control metal-planing machine mobile work platform reliability test of static cutting force.
Background technology
Heavy type numerical control metal-planing machine is widely used in all kinds of machining departments such as power station, automobile, ship, particularly suitable
In the processing of especially big, extra heavy speciality parts.Larger, load change is big, inertia is huge with conducting oneself with dignity for heavy type numerical control metal-planing machine
Greatly, the features such as stroke is long so that its faults frequent, reliability level are less than other standard machinery process units.Its reliability is asked
Topic is serious, has become the bottleneck that lathe manufacturing enterprise develops with user's focus of attention and heavy digital control machine tool.Due to heavy type
The factors such as lathe yardstick is huge, workpiece configurations are big, it is relatively difficult to carry out whole aircraft reliability experiment.Therefore research and develop heavy
The reliability test system of numerical control gantry planer key feature, leaked cruelly by reliability test, find out influence heavy type numerical control
The factor and its reliability test data of metal-planing machine reliability, and then basic data is provided with weight for reliability improved design
The actual application value wanted.
China NC Machine R＆D work is later compared with development abroad, and reliability level has certain compared with external similar lathe
Gap, the research work of particularly domestic heavy type numerical control metal-planing machine is even more to start late, therefore the country does not have counterweight also at present
The key feature of type numerical control gantry planer carries out reliability test research, and current only testing stand is also simply by air transport
Turn or carry out user's field reliability test progress, tried specifically for the reliability of heavy type numerical control metal-planing machine key feature
The experiment device country almost blank.Reality of the invention according to table movable type heavy type numerical control bench planer feed system
A kind of applying working condition, it is proposed that heavy type numerical control metal-planing machine mobile work platform with simulation actual cut load and inertial load
Reliability test.
The content of the invention
The technical problems to be solved by the invention be overcome current reliability test can not be to heavy numerical control gantry
Planer mobile work platform simulate the reliability test problem of actual condition loading, provides one kind and is actuated using piezoelectric ceramics
Device simulates the loading of high frequency (being more than 50Hz) dynamic planing power, using hydraulic servo oil cylinder simulates static force and low frequency
The loading of (being less than 50Hz) dynamic planing power and the heavy type numerical control metal-planing machine movement that inertia force loading is simulated using balancing weight
Functional reliability experimental rig.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that to realize, it is described with reference to the drawings as follows：
Described heavy type numerical control metal-planing machine mobile work platform reliability test includes balancing weight inertia loading section, loading
Slave part, X-direction loading section, Y-direction loading section, Z-direction loading section and automatically control part；
The X-direction loading section includes support 2, magnetic powder brake 3, rack 4, rack-and-pinion integrated module 5, X to laser
Displacement transducer supporting plate 25, X are to laser displacement sensor 26, X to piezoelectric ceramics actuator 6, flange sleeve 31, X to pressure
Sensor 32, X are to pressure push-rod 33, X to load bar 34, X to light barrier 35, shaft coupling 19 and adjustment plate 17；
The X is to load bar 34, X to pressure push-rod 33, X to pull pressure sensor 32, X to piezoelectric ceramics actuator 6, flange sleeve
Cylinder 31, rack 4 pass sequentially through the connection that is screwed；
The rack 4 is the building block in rack-and-pinion integrated module 5；The rack-and-pinion integrated module 5 passes through spiral shell
Bolt is fixed in the upper surface locating slot of support 2；The support 2 is bolted on ground black iron 1, and adjustment plate 17 is positioned at branch
Between frame 2 and ground black iron 1；The X is bolted on rack-and-pinion integrated module 5 to laser displacement sensor supporting plate 25
Upper surface；The X is mounted by means of bolts on X to the top of laser displacement sensor supporting plate 25 to laser displacement sensor 26
Plate upper surface；The X is to the axial line of laser displacement sensor 26 and the axis parallel of rack 4；
The Y-direction loading section includes two completely identical in structure Y-direction loading units, two completely identical in structure Y-directions
Loading unit is arranged on the same side of workbench 15 to be tried, and one of Y-direction loading unit is arranged on a left side for workbench 15 to be tried
Lower Angle Position, another Y-direction loading unit are arranged on the upper right Angle Position of workbench 15 to be tried；
The Y-direction loading unit includes expansion bracket 22, Y-direction laser displacement sensor supporting plate 27, Y-direction laser displacement sensor 28, Y
To hydraulic servo oil cylinder 18, Y-direction piezoelectric ceramics actuator 16, Y-direction pull pressure sensor 36, Y-direction pressure push-rod 37, Y-direction loading
Bar 38, Y-direction light barrier 39；
The Y-direction load bar 38, Y-direction light barrier 39, Y-direction pressure push-rod 37, Y-direction pull pressure sensor 36, Y-direction piezoelectric ceramics promote
Dynamic device 16, Y-direction hydraulic servo oil cylinder 18 are screwed connection successively；The Y-direction hydraulic servo oil cylinder 18 is bolted on
On expansion bracket 22；The Y-direction laser displacement sensor supporting plate 27 is bolted on the top plate right-hand member of expansion bracket 22；The Y
It is bolted on to laser displacement sensor 28 on Y-direction laser displacement sensor supporting plate 27；
The Z-direction loading section includes Z-direction hydraulic servo oil cylinder 9, hydraulic servo oil cylinder supporting plate 10, Z-direction laser displacement sensing
Device supporting plate 29, Z-direction laser displacement sensor 30, Z-direction light barrier 40, Z-direction piezoelectric ceramics actuator 11, Z-direction pull pressure sensor
41st, Z-direction pressure push-rod 42, Z-direction load bar 43；
Described Z-direction load bar 43, Z-direction light barrier 40, Z-direction pressure push-rod 42, Z-direction pull pressure sensor 41, Z-direction piezoelectric ceramics
Actuator 11, Z-direction hydraulic servo oil cylinder 9 are screwed connection successively；
Described Z-direction hydraulic servo oil cylinder 9 is bolted on hydraulic servo oil cylinder supporting plate 10；The Z-direction laser displacement
Sensor supporting plate 29 is bolted on hydraulic servo oil cylinder supporting plate 10, and the laser displacement sensor supporting plate 29 is located at Z
To the upside of hydraulic servo oil cylinder 9；
The balancing weight inertia loading section includes balancing weight 14；The balancing weight 14 is bolted on workbench 15 to be tried
On；
The loading slave part includes loading lid 12, traction link 24 and loading case 13；The loading lid 12 passes through bolt
It is fixed on loading case 13；The loading case 13 is bolted on workbench 15 to be tried；The traction link 24 is logical
Cross and be bolted on the right wall plate of loading case 13；
The Y-direction loading unit also includes Telescopic base 21 and bolt 20；The Telescopic base 21 is by bottom plate and vertical axis
It is welded, vertical axis lower end surrounding is welded with four completely identical in structure reinforcements, on the bottom plate of the Telescopic base 21
Four through holes are offered, for being fixedly connected through bolt with ground black iron 1, the vertical axis upper end of the Telescopic base 21 opens up
There is a through hole with vertical axis axis horizontal；
The expansion bracket 22 is welded by top plate, vertical sleeve and two completely identical in structure reinforcements, expansion bracket 22
Four screwed holes are provided with top plate, Y-direction hydraulic servo oil cylinder 18 is fixed for screwing in bolt；The vertical sleeve of expansion bracket 22 is along axle
To uniformly offering through hole；
The Y-direction laser displacement sensor supporting plate 27 is the reinforcement by bottom plate, right plate, top plate and top plate and right plate junction
The U-shaped structure part that muscle is welded, the bottom plate of the Y-direction laser displacement sensor supporting plate 27 are provided with through hole；
The Y-direction light barrier 39 is rectangle plate parts, and lower end is provided with through hole, for through the outer of the right-hand member of Y-direction load bar 38
Stretch stud.
The Z-direction loading section also includes portal frame 7, gantry slide plate 8, horizontal bracket 23；The portal frame 7 passes through spiral shell
Bolt is fixedly connected with ground black iron 1；Gantry slide plate 8 connects firmly with the sliding block on the guide rail slide block of the both sides of portal frame 7；
The Z-direction laser displacement sensor supporting plate 29 be it is by right plate, top plate, left plate and left plate and top plate junction plus
The U-shaped structure part that strengthening tendons is welded, the right plate of the Z-direction laser displacement sensor supporting plate 29 are provided with through hole；The Z-direction
Light barrier 40 is rectangle plate parts, and right-hand member is provided with the through hole for the overhanging stud through the upper end of Z-direction load bar 43.
The balancing weight 14 is cuboid, and both ends offer U-type groove respectively；
The traction link 24 is welded by left riser and right risers, and left riser is provided with four through holes, for through bolt
Traction link 24 is fixed on loading case 13, a boss is provided with the upper right corner of the right risers of the traction link 24,
During installation, the A faces 44 of the boss contact with the B faces 45 of the lower end step of flange sleeve 31.
The control section includes X to controller, Y-direction controller, Z-direction controller and working table movement controller;It is described
Y-direction controller is connected by RS232C ports with industrial computer；The Z-direction controller is connected by RS232C ports and industrial computer electric wire
Connect；The X is connected to controller by RS232C ports with industrial computer electric wire；The working table movement controller passes through RS232C
Port is connected with industrial computer electric wire.
Compared with prior art the beneficial effects of the invention are as follows：
1. heavy type numerical control metal-planing machine mobile work platform reliability test of the present invention is loaded using magnetic powder brake
Device, hydraulic-servo-load device, piezoelectric ceramics actuator and balancing weight loading device carry out mould to heavy numerical control gantry planer
Intend dynamic and static planing power loading, simulation actual condition is carried out to tested heavy type numerical control bench planer mobile work platform
Reliability test, and carry out real-time failure data acquisition, change for the Reliability modeling in later stage, reliability growth, reliability
Enter design and reliability prediction provides practical real basic fault data, substantially reduce data acquisition time.
2. X-direction simulation planing power loading of the present invention is by using rack-and-pinion integrated module, magnetic system
Device and piezoelectric ceramics actuator are moved to realize the simulation loading of dynamic and static planing power.Treated by rack-and-pinion integrated module handle
The linear motion of examination workbench is converted into rotary motion and drives magnetic powder brake.By controlling the parameter of magnetic powder brake can be real
The simulation loading of existing static force and low frequency (being less than 50Hz) dynamic planing power；By controlling piezoelectric ceramics actuator parameters real
The simulation loading of existing high frequency (being more than 50Hz) dynamic planing power.During experiment, it can be dug according to actual condition to adjust loading dynamic
The size, frequency and test period of power are cut, while test parameters can be stored, so as to follow-up inquiry and analysis.
3. Y-direction piezoelectric ceramics actuator of the present invention, Y-direction electro-hydraulic servo loading device, Z-direction piezoelectric ceramics
Actuator and Z-direction electro-hydraulic servo loading device can realize the simulation loading of dynamic and static planing power, and can be according to actual condition
To adjust size, frequency and the test period of loading dynamic planing power, while test parameters can be stored, so as to follow-up
Inquiry and analysis.Electro-hydraulic servo loading device can realize adding for static cutting force and low frequency (being less than 50Hz) dynamic cutting force
Carry；Piezoelectric ceramics actuator can realize the simulation loading of high frequency dynamic cutting force, and solving electro-hydraulic servo loading device can not be right
Workbench applies high frequency（More than 50Hz）Dynamic cutting force.
4. the reliability test accommodation of heavy type numerical control metal-planing machine mobile work platform of the present invention compares
Extensively, only need to be by adjusting the height of all directions loading device for the heavy type numerical control metal-planing machine mobile work platform of different model
Adjusting means and the quantity of balancing weight can carry out the detection and monitoring of reliability load test and performance parameter to it, embody
The flexibility of this pilot system and versatility.
5. automatically control portion in heavy type numerical control metal-planing machine mobile work platform reliability test of the present invention
Divide and mainly the planing power of simulation is monitored in real time by pull pressure sensor, displacement transducer, realize monitoring and closed loop control in real time
System and feedback.The dynamic planing force parameter of loading is included on the man machine operation interface of upper industrial computer simultaneously.
Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings：
Fig. 1 is that the axle of heavy type numerical control metal-planing machine mobile work platform reliability test structure composition of the present invention surveys throwing
Shadow figure；
Fig. 2 is X-direction loading section in heavy type numerical control metal-planing machine mobile work platform reliability test of the present invention
Axonometric projection graph；
Fig. 3 is Y-direction loading device in heavy type numerical control metal-planing machine mobile work platform reliability test of the present invention
Sketch；
Fig. 4 is Z-direction loading device in heavy type numerical control metal-planing machine mobile work platform reliability test of the present invention
Axonometric projection graph；
Fig. 5 is that the axle of the loading case in heavy type numerical control metal-planing machine mobile work platform reliability test of the present invention is surveyed
Perspective view；
Fig. 6 is the traction link in heavy type numerical control metal-planing machine mobile work platform reliability test of the present invention
Axonometric projection graph；
Fig. 7 is that the axle of the balancing weight in heavy type numerical control metal-planing machine mobile work platform reliability test of the present invention is surveyed
Perspective view；
Fig. 8 is the axle of the flange sleeve in heavy type numerical control metal-planing machine mobile work platform reliability test of the present invention
Survey perspective view；
Fig. 9 is the control principle block diagram in heavy type numerical control metal-planing machine mobile work platform reliability test of the present invention
In figure：1. ground black iron, 2. supports, 3. magnetic powder brakes, 4. racks, 5. rack-and-pinion integrated modules, 6. X are to piezoelectricity
Ceramic actuator, 7. portal frames, 8. gantry slide plates, 9. Z-direction hydraulic servo oil cylinders, 10. hydraulic servo oil cylinder supporting plates, 11. Z
To piezoelectric ceramics actuator, 12. loading lids, 13. loading casees, 14. balancing weights, 15. workbench to be tried, 16. Y-direction piezoelectric ceramics
Actuator, 17. adjustment plates, 18.Y is to hydraulic servo oil cylinder, and 19. shaft couplings, 20. bolts, 21. Telescopic bases, 22. is flexible
Frame, 23. horizontal brackets, 24. traction links, 25.X to laser displacement sensor supporting plate, 26.X to laser displacement sensor,
27.Y to laser displacement sensor supporting plate, 28.Y to laser displacement sensor, 29.Z to laser displacement sensor supporting plate, 30.Z to
Laser displacement sensor, 31. flange sleeves, 32.X to pull pressure sensor, 33.X to pressure push-rod, 34. X to load bar,
35.X is to light barrier, and 36.Y is to pull pressure sensor, 37. Y-direction pressure push-rods, 38. Y-direction load bars, 39.Y to light barrier,
40.Z is to light barrier, 41. Z-direction pull pressure sensor, 42. Z-direction pressure push-rods, 43. Z-direction load bars, 44.A faces, 45, B faces.
Embodiment
The present invention is explained in detail below in conjunction with the accompanying drawings：
It will be appreciated that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, all other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, belongs to the scope of protection of the invention：
Refering to Fig. 1, heavy type numerical control metal-planing machine mobile work platform reliability test of the present invention is used to including balancing weight
Property loading section, loading slave part, X-direction loading section, Y-direction loading section, Z-direction loading section and automatically control
Part.
Actual use operating mode of the invention according to heavy type numerical control metal-planing machine, it is proposed that one kind is using magnetic powder brake, liquid
The static planing power of servo-loading unit simulation and low frequency dynamic planing power are pressed, high frequency dynamic is simulated using piezoelectric ceramics actuator and dug
Cut power and using balancing weight simulation inertial load, the experiment of reliability test is carried out to heavy numerical control gantry planer mobile work platform
Device.
Refering to Fig. 1, described ground black iron 1 is rectangular slab class formation part, and upper surface both sides are respectively arranged with two T-slots,
Workbench 15 to be tried is bolted on ground black iron 1.
First, X-direction loading section
Refering to Fig. 1, Fig. 2, the X-direction loading section includes support 2, magnetic powder brake 3, rack 4, rack-and-pinion integration mould
Block 5, X are to laser displacement sensor supporting plate 25, X to laser displacement sensor 26, X to piezoelectric ceramics actuator 6, flange sleeve
31st, X is to pull pressure sensor 32, X to pressure push-rod 33, X to load bar 34, X to light barrier 35, shaft coupling 19 and adjustment plate
17；
Refering to Fig. 1, Fig. 2, the base flat board of the support 2 is provided with 8 through holes.The adjustment plate 17 is flat-type part, if
It is equipped with 8 through holes, during installation, support 2 is consolidated through the through hole on the base flat board of support 2 and the through hole of adjustment plate 17 with bolt
It is scheduled on ground black iron 1.The adjustment plate 17 is between support 2 and ground black iron 1.
Refering to Fig. 2, the base of the magnetic powder brake 3 is fixedly connected by bolt with the overhanging step upper surface of support 2,
The input shaft of the magnetic powder brake 3 is connected by shaft coupling 19 with the gear output shaft of rack-and-pinion integrated module 5；
Refering to Fig. 2, the rack-and-pinion integrated module 5 is fixed by the upper surface locating slot of hexagon socket head cap screw and support 2 to be connected
Connect；
Refering to Fig. 2, the rack 4 be rack-and-pinion integrated module 5 in building block, the left end and flange of the rack 4
The right-hand member of sleeve 31 is connected by hexagon socket head cap screw；
Refering to Fig. 2, Fig. 6, Fig. 8, the right side of flange sleeve 31 is provided with four screwed holes, for being connected with the left end of rack 4,
The lower end of flange sleeve 31 is provided with a step, during installation, the B faces 45 of the step and the upper right of the right risers of traction link 24
The A faces 44 of angle boss contact；The left end of flange sleeve 31 is designed with overhanging cylinder boss, by screw thread and X to piezoelectric ceramics
The right-hand member of actuator 6 is fixedly connected；
Refering to Fig. 2, the X is threadably secured to the left end of piezoelectric ceramics actuator 6 with X to the right-hand member of pull pressure sensor 32
Connection；The X is screwed with the right-hand member of X to pressure push-rod 33 to the left end of pull pressure sensor 32 and is connected, and the X is to pressure
The left end screwed hole of push rod 33 keeps coaxial with X to the through hole of light barrier 35, and X passes through X to the overhanging stud of the right-hand member of load bar 34
It is fixedly connected to the through hole of light barrier 35 with X to the left end screwed hole of pressure push-rod 33；Steel of the X to the right-hand member of load bar 34
Ball is connected with the loading contacts side surfaces of case 13, to realize the effect for transmitting power；During installation, the X to pull pressure sensor 32, X to
Load bar 34, X are conllinear to piezoelectric ceramics actuator 6, X to the axis of pressure push-rod 33 and the axis of symmetry of rack 4；
Refering to Fig. 2, the X is the U-shaped structure being welded by bottom plate, right plate and top plate to laser displacement sensor supporting plate 25
Part, the X are provided with through hole to the bottom plate of laser displacement sensor supporting plate 25, for X to be sensed to laser displacement through bolt
Device supporting plate 25 is fixed on the upper surface of rack-and-pinion integrated module 5；The X is consolidated to laser displacement sensor 26 by bolt
Dingan County is mounted in cover top surfaces of the X to laser displacement sensor supporting plate 25；During installation, the X is to laser displacement sensor 26
The axis parallel of axial line and rack 4；
Refering to Fig. 2, the X is rectangular flat plate class part to light barrier 35, and bottom offers through hole, for through X to adding
Carry the overhanging stud of the right-hand member of bar 34, during installation, make X to the light irradiation that laser displacement sensor 26 is sent in X on light barrier 35；
Received through X to the laser that light barrier 35 reflects by X to the perception device of laser displacement sensor 26, and then measure X to load bar
34 change in displacement.
2nd, Y-direction loading section
Refering to Fig. 1, Fig. 3, the Y-direction loading section includes two completely identical in structure Y-direction loading units, and two structures are complete
Exactly the same Y-direction loading unit is arranged on the same side of workbench 15 to be tried, and one of Y-direction loading unit is arranged on and treats trial work
Make the lower-left Angle Position of platform 15, another Y-direction loading unit is arranged on the upper right Angle Position of workbench 15 to be tried；Two during installation
The axis parallel of the Y-direction piezoelectric ceramics actuator 16 of Y-direction loading unit, and perpendicular to the direction of motion of workbench 15 to be tried；
When applying different size of power by controlling two Y-direction loading units to treat examination workbench 15, it can be achieved to treat the Y for studying platform 15
To loading, while the loading of the moment of torsion in the horizontal plane that workbench 15 to be tried is subject to can be simulated.
Refering to Fig. 3, the Y-direction loading unit includes Telescopic base 21, expansion bracket 22, bolt 20, Y-direction laser displacement
Sensor supporting plate 27, Y-direction laser displacement sensor 28, Y-direction hydraulic servo oil cylinder 18, Y-direction piezoelectric ceramics actuator 16, Y-direction are drawn
Pressure sensor 36, Y-direction pressure push-rod 37, Y-direction load bar 38 and Y-direction light barrier 39；
Refering to Fig. 1, Fig. 3, the Telescopic base 21 is welded by bottom plate and vertical axis, and vertical axis lower end surrounding is welded with four
Completely identical in structure reinforcement, offer four through holes on the bottom plate of the Telescopic base 21, for through bolt flexible
Base 21 is fixed on ground black iron 1, and the vertical axis upper end of the Telescopic base 21 offers one and vertical axis axis horizontal
Through hole；
Refering to Fig. 3, the expansion bracket 22 is welded by top plate, vertical sleeve and two completely identical in structure reinforcements, is stretched
Four screwed holes are provided with the top plate of contracting frame 22, Y-direction hydraulic servo oil cylinder 18 is fixed for screwing in bolt；Expansion bracket 22 hangs down
Straight sleeve uniformly offers through hole vertically；During installation, the vertical sleeve of the expansion bracket 22 is inserted in the vertical of Telescopic base 21
On axle, the height of expansion bracket 22 is adjusted according to the height of workbench 15 to be tried, then, then with bolt 20 also cross regulation
The through hole of expansion bracket 22 and the through hole of Telescopic base 21, expansion bracket 22 is fixedly connected with Telescopic base 21, tries the reliability
Experiment device can be to the simulation loading Y-direction cutting force of workbench to be tried 15 of different model；
Refering to Fig. 3, the piston rod left end screw thread of the right-hand member of Y-direction piezoelectric ceramics actuator 16 and Y-direction hydraulic servo oil cylinder 18 is consolidated
Fixed connection, the left end and the right-hand member of Y-direction pull pressure sensor 36 of Y-direction piezoelectric ceramics actuator 16 are connected through a screw thread；The Y-direction
The left end screwed hole of pull pressure sensor 36 is fixedly connected with the thread segment of the right-hand member of Y-direction pressure push-rod 37；The Y-direction pressure push-rod
The through hole of 37 left end screwed holes and Y-direction light barrier 39 keeps coaxial, and the overhanging stud of the right-hand member of Y-direction load bar 38 is in the light through Y-direction
The through hole of plate 39 is fixedly connected with the left end screwed hole of Y-direction pressure push-rod 37；
Refering to Fig. 3, axis and Y-direction pull pressure sensor 36, the Y-direction piezoelectric ceramics actuator of the Y-direction hydraulic servo oil cylinder 18
16th, Y-direction pressure push-rod 37, the axial line of Y-direction load bar 38 are coaxial.
Refering to Fig. 1, Fig. 3, the steel ball of the left end of Y-direction load bar 38 is connected to simulate pair with loading the contacts side surfaces of case 13
The loading of the Y-direction cutting force of workbench 15 to be tried and the moment of torsion loading being subject in level.
Refering to Fig. 3, the Y-direction laser displacement sensor supporting plate 27 is by bottom plate, right plate, top plate and top plate and right plate
The U-shaped structure part that the reinforcement of junction is welded, the bottom plate of the Y-direction laser displacement sensor supporting plate 27, which is provided with, to be led to
Hole, for Y-direction laser displacement sensor supporting plate 27 being fixed on through bolt the cover top surface right-hand member of expansion bracket 22；The Y
The cover top surface of Y-direction laser displacement sensor supporting plate 27 is mounted by means of bolts on to laser displacement sensor 28；Installation
When, the axial line of the Y-direction laser displacement sensor 28 and the axis parallel of Y-direction piezoelectric ceramics actuator 16；
Refering to Fig. 3, the Y-direction light barrier 39 is rectangle plate parts, and lower end is provided with through hole, for through Y-direction load bar 38
The overhanging stud of right-hand member, during installation, laser directive Y-direction light barrier 39 is in the light by the Y-direction laser displacement sensor 28 through Y-direction
The laser that plate 39 reflects is received by the perception device of Y-direction laser displacement sensor 28, and then the displacement for measuring Y-direction load bar 38 becomes
Change.
3rd, Z-direction loading section
Refering to Fig. 1, Fig. 4, the Z-direction loading section includes portal frame 7, gantry slide plate 8, Z-direction hydraulic servo oil cylinder 9, hydraulic pressure
Servo-cylinder supporting plate 10, horizontal bracket 23, Z-direction laser displacement sensor supporting plate 29, Z-direction laser displacement sensor 30, Z-direction are in the light
Plate 40, Z-direction piezoelectric ceramics actuator 11, Z-direction pull pressure sensor 41, Z-direction pressure push-rod 42 and Z-direction load bar 43；
Refering to Fig. 1, Fig. 4, the portal frame 7 is fixedly connected by bolt with ground black iron 1.Gantry slide plate 8 is with being arranged on dragon
Sliding block on the guide rail slide block of the both sides of door frame 7 connects firmly, and can be vertically moved along portal frame 7.The hydraulic servo oil cylinder supporting plate 10
It is arranged on by bolt on horizontal bracket 23.
Refering to Fig. 1, Fig. 4, the Z-direction hydraulic servo oil cylinder 9 is bolted on hydraulic servo oil cylinder supporting plate 10；
Refering to Fig. 4, the upper end of Z-direction piezoelectric ceramics actuator 11 and the piston-rod lower end of Z-direction hydraulic servo oil cylinder 9 are screwed
Connection, the lower end and the upper end of Z-direction pull pressure sensor 41 of Z-direction piezoelectric ceramics actuator 11 are bolted to connection；The Z
It is fixedly connected to the lower end screwed hole of pull pressure sensor 41 with the thread segment of the upper end of Z-direction pressure push-rod 42；The Z-direction pressure pushes away
The through hole of the lower end screwed hole of bar 42 and Z-direction light barrier 40 keeps coaxial, and the overhanging stud of the upper end of Z-direction load bar 43 is kept off through Z-direction
The through hole of tabula rasa 40 is fixedly connected with the lower end screwed hole of Z-direction pressure push-rod 42；；The lower end steel ball of the Z-direction load bar 43 with
The upper surface connection of lid 12 is loaded, to realize the effect for transmitting power.The axial line of the Z-direction piezoelectric ceramics actuator 11 and
Z-direction hydraulic servo oil cylinder 9, Z-direction pull pressure sensor 41, Z-direction load bar 43, the axial line of Z-direction pressure push-rod 42 are conllinear.
Refering to Fig. 4, the Z-direction laser displacement sensor supporting plate 29 is by right plate, top plate, left plate and left plate and top
The U-shaped structure part that the reinforcement of plate junction is welded.The right plate of the Z-direction laser displacement sensor supporting plate 29 is provided with
Through hole, for Z-direction Optical displacement sensor supporting plate 29 to be fixed on hydraulic servo oil cylinder supporting plate 10, the laser position through bolt
Displacement sensor supporting plate 29 is located at the upside of Z-direction hydraulic servo oil cylinder 9；The Z-direction laser displacement sensor 30 is bolted
On the left plate of Z-direction laser displacement sensor supporting plate 29；During installation, the axle center of the Z-direction laser displacement sensor 30
The axis parallel of line and Z-direction piezoelectric ceramics actuator 11；
Refering to Fig. 4, the Z-direction light barrier 40 is rectangle plate parts, and right-hand member is provided with through hole, for through Z-direction load bar 43
The overhanging stud of upper end, during installation, Z-direction laser displacement sensor 30 is by laser directive Z-direction light barrier 40, through Z-direction light barrier 40
The laser of reflection is received by the perception device of Z-direction laser displacement sensor 30, and then measures the change in displacement of Z-direction load bar 43.
4th, balancing weight inertia loading section
Refering to Fig. 1, Fig. 7, the balancing weight inertia loading section includes balancing weight 14.The balancing weight 14 is cuboid, both ends
U-type groove is offered respectively, for through T-bolt, making balancing weight 14 be fixed on workbench 15 to be tried, the balancing weight 14 has
Many, during experiment according to needed for determining subject workpiece weight balancing weight 14 quantity.
5th, slave part is loaded
Refering to Fig. 1, Fig. 5, Fig. 8, the loading slave part includes loading lid 12, traction link 24 and loading case 13；
Refering to Fig. 5, the box parts for loading case 13 and being welded by bottom plate, right wall plate, front panel and squab panel；It is described
The front panel and squab panel upper surface for loading case 13 offer 2 screwed holes respectively, and lid 12 is loaded for fixed；The loading case
Through hole is offered at 13 four angles of bottom plate, for being connected firmly through bolt and workbench 15 to be tried, the right wall of the loading case 13
Four screwed holes are offered on plate, for fixed traction link 24；
Refering to Fig. 5, Fig. 6, the traction link 24 is welded by left riser and right risers, and left riser is provided with four through holes,
Case 13 is loaded for traction link 24 to be fixed on through bolt, at the upper right corner of the right risers of the traction link 24
Provided with a boss, during installation, the A faces 44 of the boss contact with the B faces 45 of the lower end step of flange sleeve 31.
6th, control section
Refering to Fig. 1, Fig. 9, the control section includes X and controlled to controller, Y-direction controller, Z-direction controller and working table movement
Instrument.
The Y-direction controller is connected by RS232C ports with industrial computer electric wire, applies low frequency when treating examination workbench 15
During cutting force, Y-direction controller output signal gives Y-direction electrohydraulic servo valve, and Y-direction hydraulic servo is controlled by Y-direction electrohydraulic servo valve
The pressure of oil cylinder 18, displacement, while Y-direction pull pressure sensor 36, Y-direction laser displacement sensor 28 collection loading signal pass through letter
Number amplifier is uploaded to Y-direction controller, and Y-direction controller output signal gives Y-direction electrohydraulic servo valve, then controls Y-direction hydraulic servo oily
Cylinder 18, realize pressure, the closed-loop control of displacement of Y-direction hydraulic servo oil cylinder 18.When applying high frequency cutting force to workbench, Y
To controller output signal to Y-direction piezoelectric ceramics actuator 16, while Y-direction pull pressure sensor 36, Y-direction laser displacement sensor
28 collection loading signals are uploaded to Y-direction controller, Y-direction controller output signal control Y-direction piezoelectric ceramics by signal amplifier
Actuator 16, realize pressure, the closed-loop control of displacement of Y-direction piezoelectric ceramics actuator 16.
The Z-direction controller is connected by RS232C ports with industrial computer electric wire, applies low frequency when treating examination workbench 15
During simulation cutting power, Z-direction controller output signal gives Z-direction electrohydraulic servo valve, and Z-direction hydraulic pressure is controlled by Z-direction electrohydraulic servo valve
The pressure of servo-cylinder 9, displacement, while Z-direction pull pressure sensor 41, Z-direction laser displacement sensor 30 collection loading signal lead to
Cross signal amplifier and be uploaded to Z-direction controller, Z-direction controller output signal gives Z-direction electrohydraulic servo valve, then controls Z-direction hydraulic pressure to watch
Oil cylinder 9 is taken, realizes pressure, the closed-loop control of displacement of Z-direction hydraulic servo oil cylinder 9.Add when treating the examination application high frequency of workbench 15
When carrying power, Z-direction controller output signal is to Z-direction piezoelectric ceramics actuator 11, while Z-direction pull pressure sensor 41, Z-direction laser position
The collection of displacement sensor 30 loading signal is uploaded to Z-direction controller, Z-direction controller output signal control Z-direction by signal amplifier
Piezoelectric ceramics actuator 11, realize pressure, the closed-loop control of displacement of Z-direction piezoelectric ceramics actuator 11.
The X is connected to controller by RS232C ports with industrial computer electric wire, applies low frequency when treating examination workbench 15
During cutting force, Z-direction controller output signal is to magnetic powder brake 3, while X senses to pull pressure sensor 32, X to laser displacement
The collection loading signal of device 26 is uploaded to X to controller by signal amplifier, X to controller output signal to magnetic powder brake 3,
Realize pressure, the closed-loop control of displacement of magnetic powder brake 3.When applying high frequency cutting force to workbench, X exports to controller
Signal is to X to piezoelectric ceramics actuator 6 and magnetic powder brake 3, while X is to pull pressure sensor 32, X to laser displacement sensor
26 collection loading signals are uploaded to X by signal amplifier and control X to piezoelectric ceramics to controller output signal to controller, X
Actuator 6 and magnetic powder brake 3, realize X to the pressure of piezoelectric ceramics actuator 6 and magnetic powder brake 3, the closed loop control of displacement
System.
The working table movement controller is connected by RS232C ports with industrial computer electric wire, and working table movement controller is defeated
Go out signal to workbench 15 to be tried, control the motion of workbench 15 to be tried.
The operation principle of heavy type numerical control metal-planing machine mobile work platform reliability test：
First according to Fig. 1, installation X directions loading section, X is set to promote to the axis and X of load bar 34 to piezoelectric ceramics
Axis, the axis coaxle of rack 4 of dynamic device 6, while parallel to the direction of motion of workbench 15 to be tried.Secondly, two knots are installed
The identical Y-direction loading unit of structure is arranged in the same side of workbench 15 to be tried, one of Y-direction loading unit and treats trial work
Make the lower-left Angle Position of platform 15, another Y-direction loading unit is arranged on the upper right Angle Position of workbench 15 to be tried；Two during installation
The axis parallel of the Y-direction piezoelectric ceramics actuator 16 of Y-direction loading unit, and perpendicular to the direction of motion of workbench 15 to be tried；
Z-direction loading section is installed again so that the axis of Z-direction load bar 43 and axis, the Z-direction hydraulic pressure of Z-direction piezoelectric ceramics actuator 11
The axis coaxle of servo-cylinder 9, meanwhile, perpendicular to the work top of workbench 15 to be tried（That is horizontal plane）；It is auxiliary that loading is installed again
Help part；Installation control component again.According to the weight feature of the processing part of heavy type numerical control metal-planing machine before experiment, trial work is being treated
Make that balancing weight 14 is installed on platform 15, for simulation workpiece weight, realize that inertia loads.Then, set by console control interface
The Cutting Process such as the movement velocity of workbench 15 surely to be tried, X-direction cutting force, Y-direction cutting force, Z-direction cutting force, moment of torsion ginseng
Number, carry out reliability test.During experiment, set pull pressure sensor, displacement transducer in real time pass signal back
Main frame simultaneously controls corresponding piezoelectric ceramics actuator, hydraulic servo oil cylinder, magnetic powder brake etc. to act, and realizes closed-loop control,
And correlation test data storage, foundation is provided for follow-up fail-safe analysis.
Heretofore described embodiment is it will be appreciated that and using this hair for the ease of the those skilled in the art
It is bright, a kind of a kind of present invention simply embodiment of optimization, or perhaps preferably specific technical scheme, therefore the invention is not restricted to
Implement a kind of this description of more specific technical scheme.If related technical staff is adhering to basic technical scheme of the present invention
In the case of make need not move through creative work equivalent structure change or it is various modification it is all within the scope of the present invention.
Claims (6)
- A kind of 1. heavy type numerical control metal-planing machine mobile work platform reliability test, it is characterised in that described heavy type numerical control Metal-planing machine mobile work platform reliability test includes balancing weight inertia loading section, loading slave part, X-direction loading Partly, Y-direction loading section, Z-direction loading section and part is automatically controlled；The X-direction loading section includes support（2）, magnetic powder brake（3）, rack（4）, rack-and-pinion integrated module（5）、 X is to laser displacement sensor supporting plate（25）, X is to laser displacement sensor（26）, X is to piezoelectric ceramics actuator（6）, flange sleeve （31）, X is to pull pressure sensor（32）, X is to pressure push-rod（33）, X is to load bar（34）, X is to light barrier（35）, shaft coupling （19）And adjustment plate（17）；The X is to load bar（34）, X is to pressure push-rod（33）, X is to pull pressure sensor（32）, X is to piezoelectric ceramics actuator （6）, flange sleeve（31）, rack（4）Pass sequentially through the connection that is screwed；The rack（4）For rack-and-pinion integrated module（5）In building block；The rack-and-pinion integrated module（5） It is bolted on support（2）Upper surface locating slot in；The support（2）It is bolted on ground black iron（1）On, adjust Whole plate（17）Positioned at support（2）With ground black iron（1）Between；The X is to laser displacement sensor supporting plate（25）It is bolted In rack-and-pinion integrated module（5）Upper surface；The X is to laser displacement sensor（26）It is mounted by means of bolts on X To laser displacement sensor supporting plate（25）Cover top surface；The X is to laser displacement sensor（26）Axial line and rack （4）Axis parallel；The Y-direction loading section includes two completely identical in structure Y-direction loading units, two completely identical in structure Y-directions Loading unit is arranged on workbench to be tried（15）The same side, one of Y-direction loading unit is arranged on workbench to be tried（15） Lower-left Angle Position, another Y-direction loading unit is arranged on workbench to be tried（15）Upper right Angle Position；The Y-direction loading unit includes expansion bracket（22）, Y-direction laser displacement sensor supporting plate（27）, Y-direction laser displacement sensor （28）, Y-direction hydraulic servo oil cylinder（18）, Y-direction piezoelectric ceramics actuator（16）, Y-direction pull pressure sensor（36）, Y-direction pressure pushes away Bar（37）, Y-direction load bar（38）With Y-direction light barrier（39）；The Y-direction load bar（38）, Y-direction light barrier（39）, Y-direction pressure push-rod（37）, Y-direction pull pressure sensor（36）, Y-direction pressure Electroceramics actuator（16）, Y-direction hydraulic servo oil cylinder（18）Be screwed connection successively；The Y-direction hydraulic servo oil cylinder（18） It is bolted on expansion bracket（22）On；The Y-direction laser displacement sensor supporting plate（27）It is bolted on expansion bracket （22）Top plate right-hand member；The Y-direction laser displacement sensor（28）It is bolted on Y-direction laser displacement sensor supporting plate （27）On；The Z-direction loading section includes Z-direction hydraulic servo oil cylinder（9）, hydraulic servo oil cylinder supporting plate（10）, Z-direction laser displacement Sensor supporting plate（29）, Z-direction laser displacement sensor（30）, Z-direction light barrier（40）, Z-direction piezoelectric ceramics actuator（11）, Z-direction Pull pressure sensor（41）, Z-direction pressure push-rod（42）With Z-direction load bar（43）；Described Z-direction load bar（43）, Z-direction light barrier（40）, Z-direction pressure push-rod（42）, Z-direction pull pressure sensor（41）, Z-direction Piezoelectric ceramics actuator（11）, Z-direction hydraulic servo oil cylinder（9）Be screwed connection successively；Described Z-direction hydraulic servo oil cylinder（9）It is bolted on hydraulic servo oil cylinder supporting plate（10）On；The Z-direction laser Displacement transducer supporting plate（29）It is bolted on hydraulic servo oil cylinder supporting plate（10）On, the laser displacement sensor supporting plate （29）Positioned at Z-direction hydraulic servo oil cylinder（9）Upside；The balancing weight inertia loading section includes balancing weight（14）；The balancing weight（14）It is bolted on and treats that trial work is made Platform（15）On；The loading slave part includes loading and covered（12）, traction link（24）With loading case（13）；The loading lid（12） It is bolted on loading case（13）On；The loading case（13）It is bolted on workbench to be tried（15）On；It is described Draw link（24）It is bolted on loading case（13）Right wall plate on.
- 2. heavy type numerical control metal-planing machine mobile work platform reliability test according to claim 1, it is characterised in that The Y-direction loading unit also includes Telescopic base（21）And bolt（20）；The Telescopic base（21）By bottom plate and vertically Axle is welded, and vertical axis lower end surrounding is welded with four completely identical in structure reinforcements, the Telescopic base（21）Bottom Four through holes are offered on plate, for through bolt with ground black iron（1）It is fixedly connected, the Telescopic base（21）Vertical axis on End offers a through hole with vertical axis axis horizontal；The expansion bracket（22）It is welded by top plate, vertical sleeve and two completely identical in structure reinforcements, expansion bracket （22）Top plate on be provided with four screwed holes, for screw in bolt fix Y-direction hydraulic servo oil cylinder（18）；Expansion bracket（22）'s Vertical sleeve uniformly offers through hole vertically；The Y-direction laser displacement sensor supporting plate（27）For by bottom plate, right plate, top plate and top plate and right plate junction plus The U-shaped structure part that strengthening tendons is welded, the Y-direction laser displacement sensor supporting plate（27）Bottom plate be provided with through hole；The Y-direction light barrier（39）For rectangle plate parts, lower end is provided with through hole, for through Y-direction load bar（38）Right-hand member Overhanging stud.
- 3. heavy type numerical control metal-planing machine mobile work platform reliability test according to claim 1, it is characterised in that The Z-direction loading section also includes portal frame（7）, gantry slide plate（8）, horizontal bracket（23）；The portal frame（7）Pass through spiral shell Bolt and ground black iron（1）It is fixedly connected；Gantry slide plate（8）With installed in portal frame（7）Sliding block on the guide rail slide block of both sides Connect firmly；The Z-direction laser displacement sensor supporting plate（29）For by right plate, top plate, left plate and left plate and top plate junction The U-shaped structure part that reinforcement is welded, the Z-direction laser displacement sensor supporting plate（29）Right plate be provided with through hole；Institute State Z-direction light barrier（40）For rectangle plate parts, right-hand member, which is provided with, to be used for through Z-direction load bar（43）The overhanging stud of upper end Through hole.
- 4. heavy type numerical control metal-planing machine mobile work platform reliability test according to claim 1, it is characterised in that The balancing weight（14）For cuboid, both ends offer U-type groove respectively.
- 5. heavy type numerical control metal-planing machine mobile work platform reliability test according to claim 1, it is characterised in that The traction link（24）It is welded by left riser and right risers, left riser is provided with four through holes, for through bolt handle Draw link（24）It is fixed on loading case（13）On, the traction link（24）Right risers the upper right corner at be provided with it is one convex Platform, during installation, the A faces of the boss（44）With flange sleeve（31）Lower end step B faces（45）Contact.
- 6. heavy type numerical control metal-planing machine mobile work platform reliability test according to claim 1, it is characterised in that The control section includes X to controller, Y-direction controller, Z-direction controller and working table movement controller;The Y-direction control Device is connected by RS232C ports with industrial computer；The Z-direction controller is connected by RS232C ports with industrial computer electric wire；It is described X is connected to controller by RS232C ports with industrial computer electric wire；The working table movement controller by RS232C ports with Industrial computer electric wire connects.
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