CN105513482A - Mechanical fault comprehensive simulation test bed facilitating malfunctioned component replacement - Google Patents
Mechanical fault comprehensive simulation test bed facilitating malfunctioned component replacement Download PDFInfo
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- CN105513482A CN105513482A CN201510851859.8A CN201510851859A CN105513482A CN 105513482 A CN105513482 A CN 105513482A CN 201510851859 A CN201510851859 A CN 201510851859A CN 105513482 A CN105513482 A CN 105513482A
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- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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Abstract
The invention discloses a mechanical fault comprehensive simulation test bed facilitating malfunctioned component replacement. The mechanical fault comprehensive simulation test bed includes a motor, fault simulation disc shafts, a fault simulation gear box, fault simulation bearings, a radial loading system, a damper and a pedestal; the simulation of a gear fault is realized through the fault simulation gear box; the simulation of a bearing fault is realized through the fault simulation bearings; the simulation of a shaft system fault is realized through the fault simulation disc shafts; power is provided by the motor; the radial loading of the system is realized through the radial loading system, and the load torque of the system is realized through the damper; and the modules are connected with each other through couplings. When a fault simulation test is carried out, a component of which the fault is required to be demonstrated is connected into a transmission chain, and the other components on the transmission chain are fault-free components; the motor is started and drives a shaft system, a gear and related components to rotate; appropriate sensors are arranged at corresponding positions; and therefore, the simulation demonstration of a mechanical fault can be realized. With the mechanical fault comprehensive simulation test bed of the invention adopted, common faults of mechanical systems such as motors, bearings, rotors and gears can be simulated.
Description
Technical field
The present invention relates to educational aid technical field, particularly a kind of mechanical fault comprehensive simulation test platform.
Background technology
In mechanical system, the safe operation of each parts is guarantees of whole mechanical system safe operation, and the fault of the part such as gear, bearing understands the operation of influential system usually, causes vibration, stopping even has an accident, and causes serious consequence.Therefore, monitor, find the fault of part in time, take corresponding measure, for the generation avoiding mishap, the economic loss that reduction accident causes is significant.Universities and colleges of each university mechanical engineering relevant speciality also all by " mechanical fault diagnosis " course as important Key curriculum; mechanical fault comprehensive simulation test platform is the important experimental apparatus of " mechanical fault diagnosis " curriculum experiment; classroom knowledge is understood for student, increases practical experience and play an important role.
In existing market, associated product category is various, can realize the most common failure simulation of the parts such as various gear, bearing, axle system, realize teaching purpose.But, the problem of difficulty changed by existing product ubiquity failed part, in causing field research to be tested, student needs at substantial time and efforts replacing failed part to test, reduce classroom efficiency, lubricating oil easily causes laboratory environment to pollute, and renewal part continually, also easily cause the precision of experiment table own to reduce, affect experiment teaching effect.
Therefore, for above problem, be necessary to design a kind of novel mechanical fault comprehensive simulation test platform, realize changing failed part more easily, for relevant experimental teaching and research work are provided convenience.
Summary of the invention
The object of the present invention is to provide a kind of mechanical fault comprehensive simulation test platform being convenient to change failed part, easyly can realize the replacing of various failed part, charger easily regulates, and is convenient to the use of teaching demonstration and research work.
For realizing above-mentioned functions, the present invention adopts following technical scheme:
Be convenient to the mechanical fault comprehensive simulation test platform changing failed part, comprise motor, fault simulation gear case, damper and pedestal; Motor and fault simulation gear case are fixed on pedestal; Fault simulation gear case comprises block, case lid, high speed shaft, slow-speed shaft and shifting fork mechanism; Block is fixed on pedestal, parallelly in block is provided with high speed shaft and slow-speed shaft; High speed shaft is input shaft, and slow-speed shaft is output shaft; High speed shaft and slow-speed shaft two ends all by bearings on the block of fault simulation gear case; High speed shaft fills 1 high speed shaft gear; Slow-speed shaft fills multiple slow-speed shaft gear; Carry out circumference by key between slow-speed shaft and slow-speed shaft gear to locate, axially positioned by axle sleeve and the shaft shoulder; Carry out circumference by key between high speed shaft and high speed shaft gear to locate, axially can be driven by shifting fork mechanism and slide; High speed shaft gear is trouble-free normal gear, and in slow-speed shaft gear, a gear is the normal gear of non-fault, and all the other gears are fault gear; The output shaft of motor passes through the input end of shaft coupling connection for transmission multidiameter, and the output terminal of transmission multidiameter connects the input end of the high speed shaft of fault simulation gear case by shaft coupling; The output terminal connection damper of the slow-speed shaft of fault simulation gear case.
Further, described shifting fork mechanism comprises shift fork handle, shift fork, square shaft and square shaft handle; Case lid has the guide rail of narrow groove as shift fork handle; Shift fork handle is positioned in guide rail by spring ball structure, and spring ball structure is placed in shift fork handle inner and case lid contact position; Shift fork lower portion thereof is slotted, and groove width is equal with shift fork width; Shift fork is installed in the groove of shift fork lower portion thereof, can move under the drive of shift fork handle along guide rail direction; Circular hole is left in shift fork handle both sides, and Circularhole diameter, slightly larger than square shaft catercorner length, ensures that square shaft rotation process does not interfere with shift fork handle; Shift fork upper end evolution shape hole slot, with square shaft clearance fit, enables shift fork horizontally slip on square shaft; Square shaft is through the square hole slot of shift fork upper end and the circular hole of shift fork handle; The square shaft handle being fixedly connected with square shaft is positioned at outside case lid; The circumference of square shaft handle is rotated and shift fork can be driven to realize the operation put down, lift by square shaft.
Further, case lid has the V-type groove of the different slow-speed shaft gear of some correspondences as locating slot.
Further, described fault gear is broken teeth gear, abrased gear, spot corrosion gear or gummed gear.
Further, fault simulation reel, fault simulation bearing and radial loaded system is also comprised; Fault simulation reel comprises left hand plate and right side dish; Fault simulation bearing comprises Left hand bearing block lid, left side bearing, Left hand bearing block, radial loaded place bearing, radial loaded place bearing seat, right-hand axis, right side pedestal cap and right-hand axis bearing; Left side bearing, radial loaded place bearing seat and right side bearing are arranged on transmission multidiameter successively; Left hand bearing block and right-hand axis bearing are fixed on pedestal; Left side bearing and right side bearing are arranged in Left hand bearing block and right-hand axis bearing respectively; Left hand bearing block lid and right side pedestal cap are arranged in Left hand bearing block and right-hand axis bearing by screw is dismountable, and left side bearing and right side bearing are individually fixed between Left hand bearing block lid and Left hand bearing block, between right side pedestal cap and right-hand axis bearing; Radial loaded place bearing is arranged on radial loaded place bearing seat; Left hand plate and right side dish are installed on transmission multidiameter, and left hand plate is between left side bearing and radial loaded place bearing; Right side dish is between radial loaded place bearing and right side bearing; Radial loaded system is used for applying radial load to radial loaded place bearing seat.
Further, radial loaded system comprises hydraulic cylinder and hydraulic cylinder bearing; Hydraulic cylinder is arranged on hydraulic cylinder holder top; Hydraulic cylinder bearing is arranged on pedestal, the middle part of hydraulic cylinder bearing has the opening of an indent, radial loaded place bearing is installed in the intermediate openings of hydraulic cylinder bearing, the output shaft of hydraulic cylinder acts on radial loaded place bearing seat, applies radial load by radial loaded place bearing seat to radial loaded place bearing and multidiameter
Relative to prior art, the present invention has following beneficial effect:
1, fault simulation shaft―disk system adopts multidiameter design, to be convenient on axle the part handling such as dish, loading blocks, bearing, prevents cargo handling process from scratching axle surperficial.
2, fault diagnosis shaft―disk system is made up of transmission shaft and two dishes, dish increases mass and can simulate the faults such as axle system misaligns, and dish and axle adopt wringing fit, by the one-sided location of the shaft shoulder; Transmission shaft is located by the bearing on the shaft shoulder and bearing seat.
3, fault simulation shaft―disk system increases radial loading device, and by hydraulic-driven, realize accurate loading continuously, particular design is taked in loading place, and charger does not affect the handling of reel and parts on shaft.
4, described loading system is by hydraulic-driven, and pressurization size variation scope is large, is convenient to control, is applicable to experimental teaching needs.
5, two groups of bearing sizes are different, experimentally demand can arrange normal gear and fault gear.
6, gear case is by shifting fork structure, realizes not opening gear case under stopped status, namely realizing the engagement of different faults gear by stirring shift fork, carrying out the simulation of various gear distress.
7, gear case shift fork is located by spring ball structure, is fixed by rubber stopper.
8, by the load of damper as rotation.
Accompanying drawing explanation
Fig. 1 is the stereographic map that the mechanical fault comprehensive simulation test platform changing failed part is convenient in the present invention.
Fig. 2 is the stereographic map that the fault simulation gear case of the mechanical fault comprehensive simulation test platform changing failed part is convenient in the present invention.
Fig. 3 is the hiding case lid of fault simulation gear case and the stereographic map of relevant connection screw that the mechanical fault comprehensive simulation test platform changing failed part is convenient in the present invention.
Fig. 4 is the schematic diagram that shifting fork structure principle of work in the fault simulation gear case of the mechanical fault comprehensive simulation test platform changing failed part is convenient in the present invention.
Fig. 5 is the stereographic map that the fault simulation reel of the mechanical fault comprehensive simulation test platform changing failed part is convenient in the present invention.
Fig. 6 is the stereographic map that the fault simulation reel transmission multidiameter of the mechanical fault comprehensive simulation test platform changing failed part is convenient in the present invention.
In figure, the corresponding parts of each sequence number are respectively: motor (1), shaft coupling (2), fault simulation reel (3), fault simulation gear case (4), fault simulation bearing (5), radial loaded system (6), damper (7), pedestal (8), key (9), block (11), case lid (10), bearing cap (12), high speed shaft (13), slow-speed shaft (14), high speed shaft gear (15), slow-speed shaft gear (16), bearing (17), shift fork handle (18), shift fork (19), square shaft (20), square shaft handle (21), hydraulic cylinder (22), hydraulic cylinder bearing (23), left hand plate (24), Left hand bearing block lid (25), left side bearing (26), transmission multidiameter (27), bearing block base screw (28), Left hand bearing block (29), radial loaded place bearing (30), radial loaded place bearing seat (31), right side dish (32), right side bearing (33), right side pedestal cap (34), right-hand axis bearing (35), bearing seat screw (36).
Embodiment
Below with reference to the accompanying drawings, specific embodiment of the invention scheme is described in detail.
The present invention proposes a kind of mechanical fault comprehensive simulation test platform being convenient to change failed part, and to solve in field research experiment and scientific research activity, mechanical fault comprehensive simulation test platform carries out in malfunction demo experimentation, changes the problem that fault gear is wasted time and energy.Belong to the technological invention of mechanical fault comprehensive simulation test platform design field, have practical, applied range, production cost are low, easy to operate, add the advantages such as carried convenient.
Refer to Fig. 1, the present invention is a kind of is convenient to the mechanical fault comprehensive simulation test platform changing failed part, comprising: motor 1, shaft coupling 2, fault simulation reel 3, fault simulation gear case 4, fault simulation bearing 5, radial loaded system 6, damper 7, pedestal 8 and protective cover.
Motor 1, radial loaded system 6 and fault simulation gear case 4 are fixed on pedestal 8; The output shaft of motor 1 passes through the input end of shaft coupling 2 connection for transmission multidiameter 27, and the output terminal of transmission multidiameter 27 connects the input end of the high speed shaft 13 of fault simulation gear case 4 by shaft coupling 2; The output terminal connection damper 7 of the slow-speed shaft 14 of fault simulation gear case 4.Fault simulation reel 3 and fault simulation bearing 5 are installed on transmission multidiameter 27.
This mechanical fault comprehensive simulation test platform with realize gear, bearing, axle various Common Mechanical Failure be modeled as object.The simulation of gear distress is realized by fault simulation gear case 4; The simulation of bearing fault is realized by fault simulation bearing 5; The simulation of axle system fault is realized by fault simulation reel 3; Power is provided by motor 1; The radial loaded of system is realized by radial loaded system 6, and torque load is realized by damper 7; Connected by shaft coupling 2 between each module.When carrying out fault simulation experiment, driving-chain is connected into by needing the part demonstrating its fault, other parts of driving-chain all use non-fault part, and starter motor band moving axis system, gear and correlated parts rotate, and arrange that suitable sensor can realize the analog demenstration of mechanical fault in relevant position.
Refer to Fig. 2, Fig. 3, the fault simulation gear case 4 of this mechanical fault comprehensive simulation test platform, comprises block 11, case lid 10, bearing cap 12, high speed shaft 13, slow-speed shaft 14, high speed shaft gear 15, slow-speed shaft gear 16, bearing 17, shift fork handle 18, shift fork 19, square shaft 20 and square shaft handle 21.Block 11 is fixed on pedestal 8, parallelly in block 11 is provided with high speed shaft 13 and slow-speed shaft 14.
Gear distress simulation is the critical function of this experiment table, and common gear distress mainly comprises broken teeth, wearing and tearing, spot corrosion, gummed etc., and the situation that experiment table is intended to realize not opening gear case exists, and can switch different faults demonstration under stopped status.In fault simulation gear case 4, high speed shaft 13 is input shaft, and slow-speed shaft 14 is output shaft; High speed shaft 13 and slow-speed shaft 14 two ends all by bearings on the block 11 of fault simulation gear case 4.High speed shaft 13 fills 1 high speed shaft gear 15, high speed shaft gear 15 is pinion wheel, is designed to 29 teeth, slow-speed shaft 14 fills 4 slow-speed shaft gears 16, and slow-speed shaft gear 16 is gear wheel, is designed to 71 teeth.High speed shaft gear 15 is trouble-free normal gear, and in slow-speed shaft gear 16, leftmost side gear is the normal gear of non-fault, and all the other 3 gears are fault gear, and being specially which kind of fault can experimentally real needs change.Slow-speed shaft gear 16 does not limit one and is decided to be 4 herein, can adjust number of gears according to real needs, and arranges axle sleeve supporting with it.
Be less interference fit or transition fit between the slow-speed shaft 14 of fault simulation gear case 4 and slow-speed shaft gear 16, carry out circumference location by key, axially positioned by axle sleeve and the shaft shoulder.
Be less clearance fit between fault simulation high speed shaft of gearbox 13 and high speed shaft gear 15, carry out circumference location by key 9, axially do not position, stir high speed shaft gear 15 by shift fork 19 and make it to move axially on high speed shaft 13.Splash lubricating oil by pinion rotation to lubricate, ensure that high speed shaft gear 15 can be stirred by shift fork 19 on high speed shaft and slide axially smoothly.
Refer to Fig. 4, the fault simulation gear case shifting fork structure of this mechanical fault comprehensive simulation test platform, comprise high speed shaft 13, slow-speed shaft 14, high speed shaft gear 15, key 9, bearing 17, shift fork handle 18, shift fork 19, square shaft 20 and square shaft handle 21, stir high speed shaft gear 15 to realize left and right.Shift fork 19 upper end evolution shape hole slot, with square shaft 20 clearance fit, can horizontally slip on square shaft 20.Square shaft 20 circumference is rotated and shift fork 19 can be driven to realize the operation put down, lift, square shaft 20 is driven to rotate by the square shaft handle 21 be arranged at outside case lid 10, can by the operation of gear case outside, realize shift fork 19 and lift the action put down, when experiment table runs, by square shaft handle 21, shift fork is lifted, prevent it from interfering with the gear 15 rotated.
After worktable is shut down; manually stir shift fork handle 18 can be implemented in do not open gear case realize in gear case outside gear switch; case lid 10 is opened the guide rail of a narrow groove as shift fork handle 18; slot in shift fork handle 18 bottom; groove width is equal with shift fork 19 width; deposit comparatively small―gap suture; with ensure shift fork 19 carry out lifting put be action time do not interfere with shift fork handle 18; circular hole is left in shift fork handle 18 both sides; Circularhole diameter, slightly larger than square shaft 20 catercorner length, ensures that square shaft 20 rotation process does not interfere with shift fork handle 18.
Shift fork handle 18 is positioned by spring ball structure, and spring ball structure is placed in shift fork handle 18 inside and case lid 10 contact position, case lid 10 is opened corresponding V-type groove as locating slot.Every platform experiment table selects slow-speed shaft gear 16 thickness difference, quantity also different, therefore stirs desired position difference when high speed shaft gear 15 is located, and according to different position location, case lid 10 shift fork handle guide rail opens some V-type grooves as locating slot.Due to high speed shaft gear 15 and shift fork 19, between shift fork 19 and shift fork handle 18, all there is end play, therefore during location, need the problem considering hysterisis error, in this testing table, select left side as benchmark, when namely stirring high speed shaft gear 15 from left to right, arrive position location and be accurate location; When right-to-left stirs high speed shaft gear 15, handle right-to-left need be stirred and exceed locating slot one segment distance, then stir arrival position location from left to right, side is accurate location.Consider that gear case is lubricated by lubricating oil, case lid 10 fluting may cause lubricating oil to be splashed by hole slot, therefore in experiment table operational process, needs to use rubber stopper to be clogged by hole slot.
Refer to Fig. 5, the bearing fault simulation system of this mechanical fault comprehensive simulation test platform and reel fault simulation system comprise hydraulic system (not shown), hydraulic cylinder 22, hydraulic cylinder bearing 23, left hand plate 24, Left hand bearing block lid 25, left side bearing 26, transmission multidiameter 27, bearing block base screw 28, Left hand bearing block 29, radial loaded place bearing 30, radial loaded place bearing seat 31, right side coil 32, right side bearing 33, right side pedestal cap 34, right-hand axis bearing 35 and bearing seat screw 36.
Left hand plate 24, right side dish 32 mainly carry out the simulated experiment that axle system misaligns fault, increase mass in the out of phase of dish, can obtain the different fault-signals that misaligns and demonstrate.
Bearing fault simulation system comprises three bearings (left side bearing 26, radial loaded place bearing 30, right side bearing 33), and left side bearing 26 is measure-alike with right side bearing 33; Radial loaded place bearing 30 size is greater than bearing seat place two bearings, and when selecting replacing faulty bearings to carry out fault simulation, three places all can be replaced faulty bearings and carry out simulated experiment, realizes the fault-signal simulation of different series bearing.
Radial loading device is driven by hydraulic system, and can apply larger pressure in radial direction, pressure adjustable adjusting range is large, and heap(ed) capacity is continuous, controllable precise, under realizing there is the operating mode of radial load, and the simulation of mechanical fault.With the position of hydraulic cylinder bearing 23, hydraulic cylinder 22 ensures that radial loading device can not affect the dismounting of reel and the handling of parts on shaft.Hydraulic cylinder bearing 23 is arranged on pedestal 8, and the middle part of hydraulic cylinder bearing 23 has the opening of an indent, installs and supply multidiameter 27 to pass for radial loaded place bearing 30.Radial loaded place bearing 30 is arranged in radial loaded place bearing seat 31, and the output shaft of hydraulic cylinder 22 acts on radial loaded place bearing seat 31, applies radial load by radial loaded place bearing seat 31 to radial loaded place bearing 30 and multidiameter 27.
Refer to Fig. 6, the transmission shaft of the reel fault simulation system of this mechanical fault comprehensive simulation test platform adopts multidiameter design, and its project organization as shown in the figure.
Thick in the middle of multidiameter 27, two is thin, each shaft shoulder corresponding left shaft holder bearing 26 respectively from left to right, left hand plate 24, radial loaded place bearing 30, right side dish 32, right bearing seat bearing 33, design has taken into full account replacing dish (left hand plate 24, right side dish 32) and bearing (left side bearing 26, radial loaded place bearing 30, right side bearing 33) convenience, reduce each dish (left hand plate 24, right side dish 32), each bearing (left side bearing 26, radial loaded place bearing 30, right side bearing 33) length of place shaft part, make Renewal process centre bearer (left side bearing 26, radial loaded place bearing 30, right side bearing 33), dish (left hand plate 24, right side dish 32) inside surface and the rub path of process of the outside surface of axle 27 reduce to minimum, reduce the difficulty changing failed part, the possibility that the outside surface simultaneously reducing accessory inner surface and axle in the process of renewal part is scratched.
Claims (6)
1. be convenient to the mechanical fault comprehensive simulation test platform changing failed part, it is characterized in that, comprise motor (1), fault simulation gear case (4), damper (7) and pedestal (8);
Motor (1) and fault simulation gear case (4) are fixed on pedestal (8);
Fault simulation gear case (4) comprises block (11), case lid (10), high speed shaft (13), slow-speed shaft (14) and shifting fork mechanism; Block (11) is fixed on pedestal (8), parallelly in block (11) is provided with high speed shaft (13) and slow-speed shaft (14); High speed shaft (13) is input shaft, and slow-speed shaft (14) is output shaft; High speed shaft (13) and slow-speed shaft (14) two ends all by bearings on the block (11) of fault simulation gear case (4); High speed shaft (13) fills 1 high speed shaft gear (15); Slow-speed shaft (14) fills multiple slow-speed shaft gear (16); Carry out circumference by key between slow-speed shaft (14) and slow-speed shaft gear (16) to locate, axially positioned by axle sleeve and the shaft shoulder; Carry out circumference by key between high speed shaft (13) and high speed shaft gear (15) to locate, axially can be driven by shifting fork mechanism and slide; High speed shaft gear (15) is trouble-free normal gear, and in slow-speed shaft gear (16), a gear is the normal gear of non-fault, and all the other gears are fault gear;
The output shaft of motor (1) passes through the input end of shaft coupling connection for transmission multidiameter (27), and the output terminal of transmission multidiameter (27) connects the input end of the high speed shaft (13) of fault simulation gear case (4) by shaft coupling; The output terminal connection damper (7) of the slow-speed shaft (14) of fault simulation gear case (4).
2. a kind of mechanical fault comprehensive simulation test platform being convenient to replacing failed part according to claim 1, it is characterized in that, described shifting fork mechanism comprises shift fork handle (18), shift fork (19), square shaft (20) and square shaft handle (21); Case lid (10) has the guide rail of narrow groove as shift fork handle (18); Shift fork handle (18) is positioned in guide rail by spring ball structure, and spring ball structure is placed in shift fork handle (18) inside and case lid (10) contact position;
Slot in shift fork handle (18) bottom, groove width is equal with shift fork (19) width; Shift fork (19) is installed in the groove of shift fork handle (18) bottom, can move under the drive of shift fork handle (18) along guide rail direction; Circular hole is left in shift fork handle (18) both sides, and Circularhole diameter, slightly larger than square shaft (20) catercorner length, ensures that square shaft (20) rotation process does not interfere with shift fork handle (18); Shift fork (19) upper end evolution shape hole slot, with square shaft (20) clearance fit, makes shift fork (19) can horizontally slip on square shaft (20); The square hole slot of square shaft (20) through shift fork (19) upper end and the circular hole of shift fork handle (18); The square shaft handle (21) being fixedly connected with square shaft (20) is positioned at case lid (10) outside; The circumference of square shaft handle (21) rotates the operation can passed through square shaft (20) drive shift fork (19) and realize putting down, lifting.
3. a kind of mechanical fault comprehensive simulation test platform being convenient to replacing failed part according to claim 2, is characterized in that, case lid (10) has the V-type groove of the different slow-speed shaft gear (16) of some correspondences as locating slot.
4. a kind of mechanical fault comprehensive simulation test platform being convenient to replacing failed part according to claim 1, is characterized in that, described fault gear is broken teeth gear, abrased gear, spot corrosion gear or gummed gear.
5. a kind of mechanical fault comprehensive simulation test platform being convenient to replacing failed part according to claim 1, it is characterized in that, also comprise fault simulation reel (3), fault simulation bearing (5) and radial loaded system (6);
Fault simulation reel (3) comprises left hand plate (24) and right side dish (32);
Fault simulation bearing (5) comprises Left hand bearing block lid (25), left side bearing (26), Left hand bearing block (29), radial loaded place bearing (30), radial loaded place bearing seat (31), right side bearing (33), right side pedestal cap (34) and right-hand axis bearing (35); Left side bearing (26), radial loaded place bearing seat (31) and right side bearing (33) are arranged on transmission multidiameter (27) successively; Left hand bearing block (29) and right-hand axis bearing (35) are fixed on pedestal (8); Left side bearing (26) and right side bearing (33) are arranged in Left hand bearing block (29) and right-hand axis bearing (35) respectively; Left hand bearing block lid (25) and right side pedestal cap (34) are arranged in Left hand bearing block (29) and right-hand axis bearing (35) by screw is dismountable, and left side bearing (26) and right side bearing (33) are individually fixed between Left hand bearing block lid (25) and Left hand bearing block (29), between right side pedestal cap (34) and right-hand axis bearing (35); Radial loaded place bearing (30) is arranged in radial loaded place bearing seat (31);
Left hand plate (24) and right side dish (32) are installed on transmission multidiameter (27), and left hand plate (24) is positioned between left side bearing (26) and radial loaded place bearing (30); Right side dish (32) is positioned between radial loaded place bearing (30) and right side bearing (33);
Radial loaded system (6) is for applying radial load to radial loaded place bearing seat (31).
6. a kind of mechanical fault comprehensive simulation test platform being convenient to replacing failed part according to claim 5, it is characterized in that, radial loaded system (6) comprises hydraulic cylinder (22) and hydraulic cylinder bearing (23); Hydraulic cylinder (22) is arranged on hydraulic cylinder bearing (23) top; Hydraulic cylinder bearing (23) is arranged on pedestal (8), the middle part of hydraulic cylinder bearing (23) has the opening of an indent, radial loaded place bearing (30) is installed in the intermediate openings of hydraulic cylinder bearing (23), the output shaft of hydraulic cylinder (22) acts in radial loaded place bearing seat (31), applies radial load by radial loaded place bearing seat (31) to radial loaded place bearing (30) and multidiameter (27).
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| CN201510851859.8A CN105513482B (en) | 2015-11-27 | 2015-11-27 | A kind of mechanical breakdown comprehensive simulation test platform for being conveniently replaceable failed part |
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| CN201510851859.8A CN105513482B (en) | 2015-11-27 | 2015-11-27 | A kind of mechanical breakdown comprehensive simulation test platform for being conveniently replaceable failed part |
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| CN101576438A (en) * | 2009-06-02 | 2009-11-11 | 西安交通大学 | Bearing-gear multi-fault coupled simulation experiment table |
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