CN105241682A - Reliability testing stand of tailstock of heavy type machine tool - Google Patents
Reliability testing stand of tailstock of heavy type machine tool Download PDFInfo
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- CN105241682A CN105241682A CN201510725526.0A CN201510725526A CN105241682A CN 105241682 A CN105241682 A CN 105241682A CN 201510725526 A CN201510725526 A CN 201510725526A CN 105241682 A CN105241682 A CN 105241682A
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Abstract
The invention, which belongs to the technical field of the mechanical testing, provides a reliability testing stand of a tailstock of a heavy type machine tool. With the testing stand, a problem of difficult detection of fault data of a machine tool tailstock can be solved. The testing stand comprises a ground flat iron plate, a tailstock rotation part, and loading parts. The tailstock rotation part includes a central shaft, machine tool tailstocks, a reducer no.1, and a motor no.1, wherein the machine tool tailstock, the reducer no.1, and the motor no.1 are fixed on the ground flat iron plate; the output terminal of the motor no.1 is connected with the input terminal of the reducer no.1; the central shaft is connected with the output terminal of the reducer no.1 by a spline; and the two ends of the central shaft are clamped by the machine tool tailstocks arranged at the two sides. Each loading part contains a dynamic force loading supporting mobile work bench, a power servo loading work bench, and a dynamic servo loading head; the dynamic servo loading head is fixed on the power servo loading work bench; movement of the dynamic servo loading head is realized by the dynamic force loading supporting mobile work bench. The two loading parts are fixed on the ground flat iron plate; and the dynamic servo loading head of the two loading parts apply forces on the two ends of the central shaft.
Description
Technical field
The invention belongs to mechanical test technical field, be specifically related to a kind of heavy machine tool tailstock reliability test bench.
Background technology
Heavy machine tool refers generally to weight at the lathe of 10 tons or more, it is mainly used in the processing of large-scale, super-huge part, is be the major industry mainstay industry such as defence and military, Aero-Space, boats and ships, the energy (thermoelectricity, water power, nuclear power, wind-powered electricity generation), communications and transportation (railway, automobile), metallurgy, engineering machinery and the service of key state project project.And as the device-tailstock of heavy machine tool common configuration, be mainly used to clamping work pieces, tailstock fault easily causes workpiece to come off, and causes security incident.Statistics shows, as the main function components of heavy machine tool, tailstock Frequent Troubles, gently then cause stopping production, affect production efficiency, heavy then accidentally injure workman, consequence is hardly imaginable.
Research for tailstock tool reliability needs based on a large amount of fault datas, is generally by artificial tracking test at the scene and record, wastes time and energy, be difficult to a large amount of fault datas in the short time in prior art to the collection of fault data.
Summary of the invention
The object of the invention is to propose a kind of heavy machine tool tailstock reliability test bench, the tailstock tool fault data solving prior art existence is difficult to the problem detected, and then realizes the research of tailstock tool reliability.
For achieving the above object, a kind of heavy machine tool tailstock reliability test bench of the present invention comprises ground black iron, tailstock rotating part and loading section;
Described tailstock rotating part comprises central shaft and is fixed on tailstock tool, a speed reduction unit and the motor on ground black iron, a described motor output end is connected with a described speed reduction unit input end, described central shaft is connected with a described speed reduction unit output terminal by spline, and described central shaft two ends are by being arranged on the tailstock tool clamping of both sides;
Described loading section comprises dynamic force and loads support travelling table, kinetic servo loading worktable and dynamic servo loading head; Described dynamic force loads support travelling table and comprises X-axis running part and Z-axis transmission part; Described X-axis running part is integrally provided in Z-axis transmission part, realize the overall movement in Z-direction of X-axis running part, described kinetic servo loads worktable and is fixed on described X-axis running part, driven the movement realizing X-direction by X-axis running part, described dynamic servo loading head is fixed on described dynamic servo worktable;
Two described loading sections are fixed on described ground black iron, and the dynamic servo loading head of two loading sections loads central shaft two ends respectively.
Described dynamic force loads support travelling table and also comprises frame in loaded seat; Described Z-axis transmission partial fixing is in described loaded seat.
Described Z-axis transmission part comprises No. two motors, Z-direction guide rail, No. two speed reduction units, Z-direction leading screw, Z-direction feed screw nut, Z-direction leading screw rear support assembly and Z-direction slide blocks; The output shaft of described No. two motors is connected with the main drive shaft of described No. two speed reduction units, described No. two speed reduction units output terminal be connected with described Z-direction leading screw one end, the other end of described Z-direction leading screw is supported by Z-direction leading screw rear support assembly, two are arranged on described Z-direction guide rail in loaded seat and described Z-direction leading screw be arranged in parallel, described Z-direction feed screw nut and described Z-direction leading screw form screw pair, described Z-direction slide block and described Z-direction guide rail form moving sets, and described Z-direction slide block is fixedly connected with described Z-direction feed screw nut.
Described No. two motor output shafts and Z-direction leading screw coaxial.
Described X-axis running part comprises No. three motors, No. three speed reduction units, X direction guiding rail, X to leading screw, X to feed screw nut, X to slide block and X to leading screw rear support assembly; Described No. three motor output shafts are connected with described No. three speed reduction unit input ends, described No. three speed reduction unit output terminals are connected to leading screw one end with described X, described X is supported to leading screw rear support assembly to the leading screw other end by X, described X direction guiding rail is parallel to leading screw with described X, X forms screw pair to leading screw and X to feed screw nut, described X is fixedly connected with to feed screw nut to slide block with described X, forms moving sets with described X direction guiding rail; Described kinetic servo loads worktable and is fixed on described X on slide block, and described X-axis running part is fixed on described Z-direction slide block.
Described No. three motor output shafts and X coaxial to leading screw.
Described X-axis running part also comprises spacing pillar, and two described pillars are arranged on described X to the both sides of the close X of leading screw to leading screw rear support assembly one end.
Described tailstock rotating part also comprises centre frame, and described central shaft one end is by described center rest support.
The axis of rotation conllinear of the output shaft axis of rotation of a described speed reduction unit, described central shaft axis of rotation, centre frame axis of rotation and two tailstock tools.
The output shaft of a described motor is coaxial with the input shaft of a described speed reduction unit, and the input shaft of a described speed reduction unit is vertical with output shaft.
Beneficial effect of the present invention is: heavy machine tool tailstock reliability test bench of the present invention is based on tailstock own structural characteristics, Design Laboratory Bench Test System, in laboratory, separately fail-test is carried out to it, both can improve test efficiency, and can human and material resources be saved again.
Heavy machine tool tailstock reliability test bench of the present invention is clamped central shaft by two symmetrically arranged tailstock tools simultaneously, and is loaded respectively by two groups of loading sections, can carry out quiet, dynamic force loading to the tailstock tool of two heavy machine tools simultaneously; And the dynamic force that can realize upper frequency loads, and can simulate the quiet dynamic force under various different operating mode; The present invention, according to actual conditions, can adopt and change different tailstock tools to be detected, can load, embody dirigibility and the versatility of this device to dissimilar heavy machine tool tailstock; The present invention can run automatically for a long time when no worker monitor, can initiatively excite and exposing product fault, for its reliability assessment provides practical basic data.
Accompanying drawing explanation
Fig. 1 is heavy machine tool tailstock reliability test bench one-piece construction schematic diagram of the present invention;
Fig. 2 is heavy machine tool tailstock reliability test bench loading section structural representation of the present invention;
Fig. 3 is No. two motors and No. two reducer structure schematic diagram in heavy machine tool tailstock reliability test bench of the present invention;
Fig. 4 is the control principle block diagram of heavy machine tool tailstock reliability test bench of the present invention;
Fig. 5 is heavy machine tool tailstock reliability test bench system diagram of the present invention;
Fig. 6 is loading unit structural representation in heavy machine tool tailstock reliability test bench of the present invention;
Wherein: 1, tailstock tool, 2, central shaft, 3, centre frame, 4, a speed reduction unit, 5, ground black iron, 6, a motor, 7, loaded seat, 8, No. two motors, 9, Z-direction guide rail, 10, hexagonal socket nut, 11, No. two speed reduction units, 12, Z-direction leading screw, 13, Z-direction feed screw nut, 14, X is to leading screw rear support assembly, 15, pillar, 16, X direction guiding rail, 17, Z-direction leading screw rear support assembly, 18, Z-direction slide block, 19, kinetic servo loads worktable, 20, No. three speed reduction units, 21, No. three motors, 22, oscillating bearing, 23, hydraulic cylinder, 24, bearing holder (housing, cover) left end cap, 25 1 bugle contact bearings, 26, circlip, 27, bearing holder (housing, cover) shell, 28, two bugle contact bearings, 29, bearing holder (housing, cover) right end cap.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention are described further.
See accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3, a kind of heavy machine tool tailstock reliability test bench of the present invention comprises ground black iron 5, tailstock rotating part and loading section;
Described tailstock rotating part comprises central shaft 2 and tailstock tool 1, the speed reduction unit 4 be fixed on ground black iron 5 and a motor 6, described motor 6 output terminal is connected with described speed reduction unit 4 input end, described central shaft 2 is connected with described speed reduction unit 4 output terminal by spline, and described central shaft 2 two ends are clamped by the tailstock tool 1 being arranged on both sides; Model is that a horizontal motor 6 of YZ112M-6 series is arranged on ground black iron 5 by T-shaped bolt, and the axis of rotation of a motor 6 is positioned at the plane of symmetry of ground black iron 5, and vertical with the upper workplace of ground black iron 5.The output terminal of a motor 6 is connected with spring coupling right-hand member by ring flange, the left end of spring coupling is connected with the input end axle of the cogged speed reduction unit 4 of suit, output terminal and the central shaft 2 of a speed reduction unit 4 pass through spline joint, for reducing shaft run-out, the centre frame 3 that passes on left of axle supports, wherein the output shaft of a motor 6 is concentric with the input shaft of a speed reduction unit 4, vertical with the output shaft of speed reduction unit, the output shaft axis of rotation of speed reduction unit and the axis of rotation of central shaft 2, the axis of rotation of centre frame 3, the axis of rotation conllinear of two ends, left and right heavy machine tool tailstock 1.Speed reduction unit 4 bottom surface is connected by T-shaped bolt with ground black iron 5, centre frame 3 bottom surface is also be connected by T-shaped bolt with ground black iron 5, central shaft 2 axis of rotation, tailstock tool 1 axis of rotation, centre frame 3 axis of rotation are on longitudinal plane of symmetry of ground black iron 5, and parallel with the upper workplace of ground black iron 5.
Described loading section comprises dynamic force and loads support travelling table, kinetic servo loading worktable 19 and dynamic servo loading head; Described dynamic force loads support travelling table and comprises X-axis running part and Z-axis transmission part; Described X-axis running part is integrally provided in Z-axis transmission part, realize the overall movement in Z-direction of X-axis running part, described kinetic servo loads worktable 19 and is fixed on described X-axis running part, driven the movement realizing X-direction by X-axis running part, described dynamic servo loading head is fixed on described dynamic servo worktable;
Two described loading sections are fixed on described ground black iron 5, and the dynamic servo loading head of two loading sections loads the loading unit at central shaft 2 two ends respectively.
Heavy machine tool tailstock reliability test bench of the present invention also comprises hydraulic cylinder 23 and oscillating bearing 22, described hydraulic cylinder 23 selects single piston-type hydraulic cylinder or double-piston rod-type hydraulic cylinder, piston rod stretches out from the front end of hydraulic cylinder 23, the rear end face of hydraulic cylinder and threaded one section of oscillating bearing 22 are threaded connection, joint shaft and joint bearing block, hydraulic cylinder are fixed on kinetic servo and load on worktable, and longitudinal axis of symmetry of hydraulic cylinder is in kinetic servo and loads in longitudinal plane of symmetry of worktable.Hydraulic cylinder 23 end is as dynamic servo loading head, and dynamic servo loading head acts on cover loading unit on center shaft.
See accompanying drawing 6, described loading unit comprises bearing holder (housing, cover) left end cap 24, bearing holder (housing, cover) shell 27, circlip 26, bugle contact bearing 25, two bugle contact bearing 28 and bearing holder (housing, cover) right end cap 29; Described bearing holder (housing, cover) shell 27 is coordinated with described central shaft 2 by a bugle contact bearing 25 and two bugle contact bearings 28, described bearing holder (housing, cover) shell 27 two ends are provided with bearing holder (housing, cover) left end cap 24 and are provided with circlip 26 between bearing holder (housing, cover) right end cap 29, bugle contact bearing 25 and two bugle contact bearings 28; Described dynamic servo loading head acts on described bearing holder (housing, cover) shell 27.
Described dynamic force loads support travelling table and also comprises frame in loaded seat 7; Described Z-axis transmission partial fixing is in described loaded seat 7.
Described Z-axis transmission part comprises No. two motors 8, Z-direction guide rail 9, No. two speed reduction units 11, Z-direction leading screw 12, Z-direction feed screw nut 13, Z-direction leading screw rear support assembly 17 and Z-direction slide block 18; The output shaft of described No. two motors 8 is connected with the main drive shaft of described No. two speed reduction units 11, described No. two speed reduction units 11 output terminal be connected with described Z-direction leading screw 12 one end, the other end of described Z-direction leading screw 12 is supported by Z-direction leading screw rear support assembly 17, two described Z-direction guide rails 9 be arranged in loaded seat 7 be arranged in parallel with described Z-direction leading screw 12, described Z-direction feed screw nut 13 forms screw pair with described Z-direction leading screw 12, described Z-direction slide block 18 forms moving sets with described Z-direction guide rail 9, and described Z-direction slide block 18 is fixedly connected with described Z-direction feed screw nut 13.
Described No. two motor 8 output shafts and Z-direction leading screw 12 coaxial.
No. two described motors 8 are bolted in loaded seat 7 with crossing, and the axis of rotation of the output shaft of No. two motors 8 is parallel with the length direction of loaded seat 7.The output shaft of No. two motors 8 is connected by shaft coupling left end, and shaft coupling right-hand member is connected with the main drive shaft in No. two speed reduction units 11, and main drive shaft is connected and transmitting torque with driving gear by key.The two ends of main drive shaft are arranged on the bottom of No. two speed reduction units 11 by bearing and bearing seat, the axis of rotation conllinear of main drive shaft and No. two motors 8.Driving gear combines with follower gear, the follower gear driven shaft shaft shoulder is located, the axis of rotation of follower gear and driving gear is parallel to each other, follower gear is arranged on the top of No. two speed reduction units 11, the housing of No. two speed reduction units 11 is formed by connecting by fagging mechanism, the shell plates of the shell plates and two rectangular vertical that are parallel to loaded seat 7 is formed by connecting by hexagonal socket nut 10, two pieces of shell plates side convexes perpendicular to loaded seat 7 are fixed in loaded seat 7 by hexagonal socket nut 10, and two spaces that casing is formed are supplied to gear and shaft coupling respectively.The output shaft of follower gear and Z-direction leading screw 12, Z-direction leading screw 12 is supported on casing by bearing and bearing cap, and Z-direction leading screw 12 is connected by screw pair with Z-direction feed screw nut 13, and right-hand member is fixed on Z-direction leading screw rear support assembly 17.Z-direction slide block 18 and Z-direction guide rail 9 form moving sets, and Z-direction two guide rail is parallel to each other, and is in a plane.
Described X-axis running part comprises No. three motors 21, No. three speed reduction units 20, X direction guiding rail 16, X to leading screw, X to feed screw nut, X to slide block and X to leading screw rear support assembly 14; Described No. three motor 21 output shafts are connected with described No. three speed reduction unit 20 input ends, described No. three speed reduction unit 20 output terminals are connected to leading screw one end with described X, described X is supported to leading screw rear support assembly 14 to the leading screw other end by X, described X direction guiding rail 16 is parallel to leading screw with described X, X forms screw pair to leading screw and X to feed screw nut, described X is fixedly connected with to feed screw nut to slide block with described X, forms moving sets with described X direction guiding rail 16; Described kinetic servo loads worktable 19 and is fixed on described X on slide block, and described X-axis running part is fixed on described Z-direction slide block 18.
Described No. three motor 21 output shafts and X coaxial to leading screw.
Described X-axis running part also comprises spacing pillar 15, two described pillars 15 and is arranged on described X to the both sides of the close X of leading screw to leading screw rear support assembly 14 one end.
No. three described motors 21 are fixed by bolts on No. three speed reduction units 20, and the axis of rotation of the output shaft of No. three motors 21 is vertical with the length direction of loaded seat 7.The output shaft of No. three motors 21 is connected by shaft coupling left end, and shaft coupling right-hand member is connected with the main drive shaft in No. three speed reduction units 20, and main drive shaft is connected and transmitting torque with driving gear by key.The two ends of main drive shaft are arranged on the bottom of No. three speed reduction units 20 by bearing and bearing seat, the main drive shaft in No. three speed reduction units 20 and the axis of rotation conllinear of No. three motors 21.Driving gear combines with follower gear, the follower gear driven shaft shaft shoulder is located, the axis of rotation of follower gear and driving gear is parallel to each other, follower gear is arranged on the top of No. three speed reduction units 20, the housing of No. three speed reduction units 20 is formed by fagging anatomical connectivity, the shell plates of the shell plates and two rectangular vertical that are parallel to loaded seat 7 is formed by connecting by hexagonal socket nut 10, two pieces of shell plates side convexes perpendicular to loaded seat 7 are fixed on Z-direction slide block 18 by hexagonal socket nut 10, and two spaces that casing is formed are supplied to gear and shaft coupling respectively.The output shaft of the follower gear in No. three speed reduction units 20 and X are to leading screw, and X is supported on casing to leading screw by bearing and bearing cap, and X is connected to feed screw nut by screw pair to leading screw with X, and right-hand member is fixed on X on leading screw rear support assembly 14.Kinetic servo loads worktable 19 and is fixed on X on slide block by hexagonal socket nut 10, and kinetic servo loads worktable 19 and can move along X direction guiding rail 16 direction, and two X direction guiding rails 16 are parallel to each other, and in the same plane.
See accompanying drawing 4 and accompanying drawing 5, the control system of heavy machine tool tailstock reliability test bench of the present invention comprises upper industrial computer, the next Programmable Logic Controller, speed pickup, displacement transducer, signal amplifier, scrambler and A/D card.
Described speed pickup is current vortex sensor, magnetoelectric velocity transducer or photocurrent speed pickup, its maximum measurement range at more than 4000r/min, such as RP660C1-16-S magnetic power rotation speed sensor.
Described displacement transducer is Mageneto-sensitive type displacement transducer, optical displacement sensor or digital laser displacement transducer, its stroke at more than 2000mm, such as MPS-M linear displacement transducer.
The up direction of the next Programmable Logic Controller is connected with upper industrial computer, the down direction of the next Programmable Logic Controller respectively with a servoamplifier, No. two servoamplifiers, No. three servoamplifiers, No. four servoamplifiers are connected with No. five servoamplifier up directions, a servoamplifier, No. two servoamplifiers, No. three servoamplifiers, No. four servoamplifiers with the method for attachment of the down direction of No. five servoamplifiers are: the down direction of a servoamplifier is connected with a described servomotor, the down direction of No. two servoamplifiers is connected with described No. two servomotors, the down direction of No. three servoamplifiers is connected with described No. three servomotors, the down direction of No. four servoamplifiers is connected with described No. four servomotors, the down direction of No. five servoamplifiers is connected with described No. five servomotors, servo motor power supply interface is connected with encoder interfaces, No. two servo motor power supply interfaces are connected with encoder interfaces, the power interface of No. three servomotors is connected with encoder interfaces, the power interface of No. four servomotors is connected with encoder interfaces, and the power interface of No. five servomotors is connected with encoder interfaces.
In particular, in embodiment, the next Programmable Logic Controller can adopt model to be the Omron Programmable Logic Controller of CP1E-N40DR-A, by the AC-powered of 220V, has 24 direct current input points, 16 direct current output points.The next Programmable Logic Controller up direction is connected with the RS-232C port of upper industrial computer by built-in RS-232C port, carry out serial communication, output point, the loading system travelling table x of the next Programmable Logic Controller down direction input point and the location end signal on a servoamplifier are connected to feedback signal output point, x to moving speed sensor, displacement transducer interface; Be connected to moving speed sensor, displacement transducer interface to feedback signal output point, z with the output point of the location end signal on No. two servoamplifiers, loading system travelling table z; Be connected to moving speed sensor, displacement transducer interface to feedback signal output point, x with the output point of the location end signal on No. three servoamplifiers, loading system travelling table x; Be connected to moving speed sensor, displacement transducer interface to feedback signal output point, z with the output point of the location end signal on No. four servoamplifiers, loading system travelling table z; Be connected with the output point of the location end signal on No. five servoamplifiers.The output point of the next Programmable Logic Controller down direction is connected to enabling signal input point with the input point of the mode of operation signal on a servoamplifier, loading system travelling table x respectively; Be connected to enabling signal input point with the input point of the mode of operation on No. two servoamplifiers, loading system travelling table z; Be connected to enabling signal input point with the input point of the mode of operation signal on No. three servoamplifiers, loading system travelling table x; Be connected to enabling signal output point with the output point of the mode of operation signal on No. four servoamplifiers, loading system travelling table z; Be connected with the input point of the mode of operation signal on No. five servoamplifiers with the enabling signal input point of No. five servoamplifiers.
Its up direction of motor 6 in tailstock rotating part is connected with upper industrial computer RS-232c port by RS-232c port, speed pickup is arranged on the output shaft of a motor 6, the connecting line of speed pickup is connected with one end of signal amplifier, the other end of signal amplifier is connected with one end of A/D card, the other end of A/D card is electrically connected with upper industrial computer, speed probe by the signal that detects by signal amplifier amplifying signal, upper industrial computer is fed back to by A/D card, the motor 6 that upper industrial computer is controlled in the rotation of the next tailstock tool 1 by RS-232c realizes closed-loop control, the rotating speed loaded shows in man-machine interface.
The size of loading force is set first according to the actual requirements, dynamic force loads the position supporting travelling table movement.Revolving part because tailstock tool 1 is top, so only need consider when loading it to load force value.Selected certain parameter on control inerface, a servoamplifier, No. two servoamplifiers, No. three servoamplifiers, No. four servoamplifiers are controlled by PLC, and then move according to the position of setting, so can realize dynamic force to tailstock tool 1 to load, its size and frequency are monitored in real time by upper industrial computer.
Claims (10)
1. heavy machine tool tailstock reliability test bench, is characterized in that, comprises ground black iron (5), tailstock rotating part and loading section;
Described tailstock rotating part comprises central shaft (2) and is fixed on the tailstock tool (1) on ground black iron (5), a speed reduction unit (4) and a motor (6), described motor (6) output terminal is connected with described speed reduction unit (4) input end, described central shaft (2) is connected with described speed reduction unit (4) output terminal by spline, and described central shaft (2) two ends are by being arranged on tailstock tool (1) clamping of both sides;
Described loading section comprises dynamic force and loads support travelling table, kinetic servo loading worktable (19) and dynamic servo loading head; Described dynamic force loads support travelling table and comprises X-axis running part and Z-axis transmission part; Described X-axis running part is integrally provided in Z-axis transmission part, realize the overall movement in Z-direction of X-axis running part, described kinetic servo loads worktable (19) and is fixed on described X-axis running part, driven the movement realizing X-direction by X-axis running part, described dynamic servo loading head is fixed on described dynamic servo worktable;
Two described loading sections are fixed on described ground black iron (5), and the dynamic servo loading head of two loading sections loads central shaft (2) two ends respectively.
2. heavy machine tool tailstock reliability test bench according to claim 1, is characterized in that,
Described dynamic force loads support travelling table and also comprises frame in loaded seat (7); Described Z-axis transmission partial fixing is in described loaded seat (7).
3. heavy machine tool tailstock reliability test bench according to claim 2, it is characterized in that, described Z-axis transmission part comprises No. two motors (8), Z-direction guide rail (9), No. two speed reduction units (11), Z-direction leading screw (12), Z-direction feed screw nut (13), Z-direction leading screw rear support assembly (17) and Z-direction slide blocks (18), the output shaft of described No. two motors (8) is connected with the main drive shaft of described No. two speed reduction units (11), described No. two speed reduction units (11) output terminal be connected with described Z-direction leading screw (12) one end, the other end of described Z-direction leading screw (12) is supported by Z-direction leading screw rear support assembly (17), two described Z-direction guide rails (9) be arranged in loaded seat (7) be arranged in parallel with described Z-direction leading screw (12), described Z-direction feed screw nut (13) and described Z-direction leading screw (12) form screw pair, described Z-direction slide block (18) and described Z-direction guide rail (9) form moving sets, described Z-direction slide block (18) is fixedly connected with described Z-direction feed screw nut (13).
4. heavy machine tool tailstock reliability test bench according to claim 3, is characterized in that, described No. two motor (8) output shafts and Z-direction leading screw (12) are coaxially.
5. heavy machine tool tailstock reliability test bench according to claim 3, it is characterized in that, described X-axis running part comprises No. three motors (21), No. three speed reduction units (20), X direction guiding rail (16), X to leading screw, X to feed screw nut, X to slide block and X to leading screw rear support assembly (14); Described No. three motor (21) output shafts are connected with described No. three speed reduction unit (20) input ends, described No. three speed reduction unit (20) output terminals are connected to leading screw one end with described X, described X is supported to leading screw rear support assembly (14) to the leading screw other end by X, described X direction guiding rail (16) is parallel to leading screw with described X, X forms screw pair to leading screw and X to feed screw nut, described X is fixedly connected with to feed screw nut to slide block with described X, forms moving sets with described X direction guiding rail (16); Described kinetic servo loads worktable (19) and is fixed on described X on slide block, and described X-axis running part is fixed on described Z-direction slide block (18).
6. heavy machine tool tailstock reliability test bench according to claim 5, is characterized in that, described No. three motor (21) output shafts and X coaxial to leading screw.
7. heavy machine tool tailstock reliability test bench according to claim 5, it is characterized in that, described X-axis running part also comprises spacing pillar (15), and two described pillars (15) are arranged on described X to the both sides of the close X of leading screw to leading screw rear support assembly (14) one end.
8. heavy machine tool tailstock reliability test bench according to claim 1, is characterized in that, described tailstock rotating part also comprises centre frame (3), and described central shaft (2) one end is supported by described centre frame (3).
9. heavy machine tool tailstock reliability test bench according to claim 8, it is characterized in that, the axis of rotation conllinear of the output shaft axis of rotation of a described speed reduction unit (4), described central shaft (2) axis of rotation, centre frame (3) axis of rotation and two tailstock tools (1).
10. heavy machine tool tailstock reliability test bench according to claim 1, it is characterized in that, the output shaft of a described motor (6) is coaxial with the input shaft of a described speed reduction unit (4), and the input shaft of a described speed reduction unit (4) is vertical with output shaft.
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Cited By (4)
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| CN105486500A (en) * | 2016-02-02 | 2016-04-13 | 吉林大学 | Double-hydraulic-loading heavy machine tool tailstock test device |
| CN105619179A (en) * | 2016-03-25 | 2016-06-01 | 吉林大学 | Heavy duty horizontal lathe reliability test device utilizing finite element method for loading |
| CN109342056A (en) * | 2018-12-12 | 2019-02-15 | 合肥森曼智能科技有限公司 | A kind of load loading component of car deceleration device Detecting data |
| CN112649186A (en) * | 2020-12-28 | 2021-04-13 | 齐重数控装备股份有限公司 | Simulation load trial operation method for numerical control heavy horizontal lathe unpowered tailstock sleeve part |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105486500A (en) * | 2016-02-02 | 2016-04-13 | 吉林大学 | Double-hydraulic-loading heavy machine tool tailstock test device |
| CN105486500B (en) * | 2016-02-02 | 2018-01-05 | 吉林大学 | The heavy machine tool tailstock experimental rig of Double-hydraulic loading |
| CN105619179A (en) * | 2016-03-25 | 2016-06-01 | 吉林大学 | Heavy duty horizontal lathe reliability test device utilizing finite element method for loading |
| CN109342056A (en) * | 2018-12-12 | 2019-02-15 | 合肥森曼智能科技有限公司 | A kind of load loading component of car deceleration device Detecting data |
| CN112649186A (en) * | 2020-12-28 | 2021-04-13 | 齐重数控装备股份有限公司 | Simulation load trial operation method for numerical control heavy horizontal lathe unpowered tailstock sleeve part |
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