CN106959211A - The fatigue test device and its method of testing of a kind of gear engagement - Google Patents
The fatigue test device and its method of testing of a kind of gear engagement Download PDFInfo
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- CN106959211A CN106959211A CN201710153447.6A CN201710153447A CN106959211A CN 106959211 A CN106959211 A CN 106959211A CN 201710153447 A CN201710153447 A CN 201710153447A CN 106959211 A CN106959211 A CN 106959211A
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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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
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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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
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Abstract
A kind of fatigue test device of gear engagement, including the drive device being fixed on basic table top, analogue loading device and experiment geared system, drive device, analogue loading device coordinates with experiment geared system respectively, drive device, analogue loading device is connected with central controller respectively, central controller controls drive device by output displacement time graph signal, analogue loading device is controlled by output loads time graph signal, employ brand-new loading procedure, being meshed in gear pair turning course is converted into the engagement during reciprocally swinging, simulate gear-driven real process, the experiment of high frequency large period can be carried out for monodentate；Motion by a small margin is easy to carry test device, improves the real-time and accuracy of the relevant data acquisitions such as gear failure process stress strain；The present invention has the features such as automatization level is high, test quality is good, test loading method is novel, it is adaptable to the measurement of related data during gear drive.
Description
Technical field
The invention belongs to gear fatigue life detection technique field, more particularly to a kind of fatigue test device of gear engagement
And its method of testing.
Background technology
Gear-box is the critical component in Wind turbines, is needed in the research process of wind power gear transmission system reliability
Detect the tired longevity of the flank of tooth of the gear under specific operation, the failure that the stress state of tooth root is likely to occur to predict and gear
Life.Method of testing currently related to the strength of gear teeth has the tooth bending Stromeyer test that GB (GB/T14230-93) is recommended
Method, is divided into " bed run experiment " and " gear tooth pulsation load test ".The former is to carry out load operation examination to gear pair
Test, the latter is to carry out pulsation loading to the gear teeth for testing gear with special fixture on pulse fatigue testing machine.The former
The disadvantage is that, gear is in revolution at a high speed state in operation, it is difficult to crucial to these in the flank of tooth or root portion placement sensor
Position stress state is monitored in real time；Actual proof stress value is to be conversed by stress state come real-time and essence
True property is limited.The latter's the disadvantage is that, because pulsation loading procedure middle gear is fixed, special fixture is to specifying the gear teeth
Loading procedure had differences with actual gear teeth engaged transmission working order, the reality under the data and real working condition that detect should
There is also difference for power change.Because the gear in Wind turbines needs to bear long-term alternate load and work under bad environment, if
A kind of gear of meter exploitation engages fatigue test device and method to simulate the loaded-up condition under real working condition, for carrying out wind in a deep going way
The reliability consideration of group of motors gear train assembly has important support meaning.
The content of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of testing fatigue of gear engagement
Device and its method of testing, process of the test simulate the actual working state of gear, and test position arrangement strain can be needed in gear
The real-time monitor stress value of piece, provides accurate analyze data in real time to explore associating between stress state and failure, is gear
Fatigue life test research service.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of fatigue test device of gear engagement, including be fixed on basic table top 1 drive device 2, fictitious load
Device 3 and experiment geared system 4, drive device 2, analogue loading device 3 coordinate with experiment geared system 4 respectively, drive device
2nd, analogue loading device 3 is connected with central controller 5 respectively, and central controller 5 is controlled by output displacement time graph signal
Drive device 2, analogue loading device 3 is controlled by output loads time graph signal.
The experiment geared system 4 is tested gear by 4 monodentates and constituted, respectively drive gear 7, driven gear 9, reset
Gear 6 and the gear 8 that is reset, drive gear 7 is meshed with the gear teeth of driven gear 9 constitutes load test gear pair；Reseting gear 6
With the composition homing action gear pair of gear 8 that is reset；Drive gear 7 is co-axially mounted synchronous axial system with reseting gear 6, installs hour wheel
Space width be more than full-height tooth away from；Driven gear 9 and the gear 8 that is reset are co-axially mounted synchronous axial system, two gear tooth weight during installation
Close.
The drive device 2 is made up of support member and slider-crank mechanism, and support member includes the first bearing 10, first
Pedestal 11；Slider-crank mechanism includes crank axle 12, connecting rod 13, linkage connector 14, sliding block oil cylinder 15；First pedestal 11 and basis
Table top 1 passes through dovetail guide connection and latched position；Crank axle 12 is crank in slider-crank mechanism, can be in the first pedestal 11
Upper reciprocating rotating, is connected firmly for installing drive gear 7 and reseting gear 6, and with drive gear 7 and reseting gear 6 by key；The
One bearing 10 is arranged on the first pedestal 11 and the one end of crank axle 12 is supported；In 15 slider-crank mechanisms of sliding block oil cylinder
Sliding block is acted on, for loading linear reciprocating motion；Connecting rod 13 plays the connecting rod in slider-crank mechanism, one end and crank axle 12
It is connected through the hinge, the other end is connected through the hinge by linkage connector 14；The piston of linkage connector 14 and sliding block oil cylinder 15 is consolidated
Connection.
The analogue loading device 3 includes the second bearing 16, support shaft 17, reset baffle block 18, the second pedestal 19, load hair
Raw device 20, the second pedestal 19 is connected and latched position with basic table top 1 by dovetail guide；Support shaft 17 can be in the second pedestal
Reciprocating rotating on 19, is connected firmly by key with driven gear 9, the gear 8 that is reset and restriction is designed with synchronous axial system, support shaft 17 again
The flange of position position；Second bearing 16 is arranged on the second pedestal 19 and the one end of support shaft 17 is supported；Load generator
20 are arranged on the second pedestal 19 and offer load torque are connected with the one end of support shaft 17；Reset baffle block 18 is arranged on the second pedestal
On 19, by the flange on barrier support axle 17 with constrain support shaft 17 reset when position.
The central controller 5 includes control card and hydraulic control valve, the current controller being arranged in computer, calculates
The piston that control software produces phase shift of time signal driving hydraulic control valve operation sliding block oil cylinder 15 by control card in machine is done
Linear reciprocating motion；Produce load-time signal driving load generator 20 and produce different size of load torque.
Based on the method for testing of the fatigue test device, comprise the following steps：
Step 1：The corresponding geometric parameter of input experiment gear, tests the loading numerical value of setting, and calculating is tried accordingly
Test simulation control parameter；
Step 2：Corresponding toggle-action lever 12, connecting rod 13, linkage connector 14 are selected according to the corresponding geometric parameter of experiment gear,
And position adjustments of first pedestal 11 on the basic slide rail of table top 1 are combined, drive mechanism is assembled, while adjusting the second pedestal 19
Position on the basic slide rail of table top 1, it is ensured that the installation center square of experiment gear pair；
Step 3：The monodentate drive gear 7 and monodentate reseting gear 6 that are customized according to test parameters are arranged on crank axle 12
On, monodentate driven gear 9 and monodentate are reset gear 8 in support shaft 17, and the gear teeth of drive gear 7 are taken turns with reseting gear 6
The installation tooth pitch of tooth be more than full-height tooth away from, it is ensured that driving and reseting movement switching when have one section of idle stroke, gear engagement states exist
Determined during gear customization processing；
Step 4：Testing machine carries out high-frequency reciprocating load test, and the loading procedure in single test cycle is：From drive gear 7
Gear teeth tooth root comes into contact with the gear teeth tooth top of drive gear 7 and the root contact of driven gear 9 with the tooth top of driven gear 9, and control is slided
The piston of block oil cylinder 15 does downward translational motion, crank axle 12 is pulled by connecting rod 13 and connect firmly drive gear 7 on axle and
Reseting gear 6 is rotated counterclockwise around axle center low-angle；The gear teeth of drive gear 7 by the engaged transmission of tooth contact roll from
The gear teeth of moving gear 9 are allowed to servo-actuated low-angle and rotated clockwise；The load generator 20 servo-actuated while of driven gear 9 is opened
Beginning work, produces anticlockwise drag torque, is loaded into by the transmission of support shaft 17 on driven gear 9, it is ensured that in loading
During, the gear teeth of driven gear 9 keep contacting with the gear teeth of drive gear 7, motion in the simulation actual engagement process of gear,
Power is transmitted；
It is as follows that the urgency of signal period returns process：
The piston of control slide block oil cylinder 15 does acceleration motion upwards, by the throw crank axle 12 of connecting rod 13 with connecting firmly on axle
Drive gear 7 and reseting gear 6 around axle center, low-angle is rotated clockwise rapidly；The gear teeth of drive gear 7 immediately with from
The gear teeth of moving gear 9 are disengaged；After of short duration idle stroke, the tooth top of the root contact of reseting gear 6 to the gear 8 that is reset,
Start to reset engaged transmission process；The load of the reduction of load generator 20 simultaneously, only provides the damping for keeping motion transmission stable；When
Flange encountered and stop after the flexible reset baffle block 18 with damping action when support shaft 17 revert to zero-bit；In the convex of support shaft 17
Sensor is set between edge and reset baffle block contact surface, after the two contact, activation signal is transmitted back to Testing Software, as next
One of necessary condition that cycle starts；
Step 5：The position that need to be monitored in drive gear 7 and driven gear 9 is provided with the sensor including foil gauge, monitoring
Real-time change signal.
Compared with prior art, the beneficial effects of the invention are as follows：
Present invention employs brand-new loading procedure, being meshed in gear pair turning course is converted into reciprocally swinging mistake
Engagement in journey, simulates gear-driven real process, reduces motion amplitude, and the examination of high frequency large period can be carried out for monodentate
Test；Motion by a small margin is easy to carry test device, improves the reality of the relevant data acquisitions such as gear failure process stress strain
When property and accuracy；The present invention has the features such as automatization level is high, test quality is good, test loading method is novel, it is adaptable to
The measurement of related data during gear drive, can provide key technology basis for Gear Transmission Design manufacture.
Brief description of the drawings
Fig. 1 is the overall structure diagram of experimental rig of the present invention.
Fig. 2 is the structural representation of experiment geared system 4 in experimental rig of the present invention.
Fig. 3 is the structural representation of drive device 2 in experimental rig of the present invention, wherein (a) is constitutional diagram, (b) is decomposition
Figure.
Fig. 4 is the structural representation of analogue loading device 3 in experimental rig of the present invention, wherein (a) is the group of an angle
Figure is closed, (b) is the constitutional diagram of another angle, and (c) is exploded view.
Fig. 5 is the motion process schematic diagram of mechanism of the present invention, wherein (a) is schematic diagram of mechanism, (b) and (c) represents driving process,
(d) represent in reseting procedure, figure that hachure arrow represents movement locus, and short arrow represents oil circuit direction, heavy line arrow with (e)
Head represents active force.
Embodiment
Describe embodiments of the present invention in detail with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of fatigue test device of gear engagement, including the drive device being fixed on basic table top 1
2nd, analogue loading device 3 and experiment geared system 4, drive device 2, analogue loading device 3 are matched somebody with somebody with experiment geared system 4 respectively
Close, drive device 2, analogue loading device 3 are connected with central controller 5 respectively, central controller 5 is bent by the output displacement time
Line signal controls drive device 2, and analogue loading device 3 is controlled by output loads time graph signal.
Constituted as shown in Fig. 2 the experiment geared system 4 tests gears by 4 monodentates, respectively drive gear 7, driven
Gear 9, reseting gear 6 and the gear 8 that is reset, drive gear 7 is meshed with the gear teeth of driven gear 9 constitutes load test gear
It is secondary；Reseting gear 6 and the composition homing action gear pair of gear 8 that is reset；Drive gear 7 is co-axially mounted synchronous with reseting gear 6
Rotate, install hour wheel space width be more than full-height tooth away from；Driven gear 9 and the gear 8 that is reset are co-axially mounted synchronous axial system, during installation
Two gear tooths are overlapped.
As shown in Fig. 3 (Fig. 3 (a) constitutional diagram and Fig. 3 (b) exploded view), described drive device 2 by support member and
Slider-crank mechanism is constituted, and support member includes the first bearing 10, the first pedestal 11；Slider-crank mechanism include crank axle 12,
Connecting rod 13, linkage connector 14, sliding block oil cylinder 15；First pedestal 11 is connected and latched position with basic table top 1 by dovetail guide；
Crank axle 12 is crank in slider-crank mechanism, can on the first pedestal 11 reciprocating rotating, for installing drive gear 7 and multiple
Position gear 6, and connected firmly with drive gear 7 and reseting gear 6 by key；First bearing 10 is arranged on the first pedestal 11 and to song
The one end of arbor 12 is supported；Sliding block oil cylinder 15 plays sliding block in slider-crank mechanism, for loading linear reciprocating motion；Institute
State connecting rod 13 and play connecting rod in slider-crank mechanism, one end is connected through the hinge with crank axle 12, and the other end passes through connecting rod
Joint 14 is connected through the hinge；The piston of linkage connector 14 and sliding block oil cylinder 15 is connected firmly.
As shown in Fig. 4 (Fig. 4 (a), Fig. 4 (b) constitutional diagram and Fig. 4 (c) exploded view), the analogue loading device 3 is wrapped
Include the second bearing 16, support shaft 17, reset baffle block 18, the second pedestal 19, load generator 20, the second pedestal 19 and basic table top
1 passes through dovetail guide connection and latched position；Support shaft 17 can on pedestal 19 reciprocating rotating, with driven gear 9, be reset
Gear 8 connects firmly the flange for being designed with synchronous axial system, support shaft 17 and limiting reset position by key；Second bearing 16 is arranged on the
It is supported on two pedestals 17 and to the one end of support shaft 17；Load generator 20 be arranged on pedestal 18 on and with the one end of support shaft 17
Connection provides load torque；Reset baffle block 18 is arranged on the second pedestal 19, by the flange on barrier support axle 17 to constrain
Position when support shaft 17 resets.
The central controller 5 includes control card and hydraulic control valve, the current controller being arranged in computer, calculates
The piston that control software produces phase shift of time signal driving hydraulic control valve operation sliding block oil cylinder 15 by control card in machine is done
Linear reciprocating motion；Produce load-time signal driving load generator 20 and produce different size of load torque.
As shown in figure 5, the method for testing based on the fatigue test device, comprises the following steps：
Step 1：The corresponding geometric parameter of input experiment gear, tests the loading numerical value of setting, including the actual engagement of gear
Driving torque, rotating speed, load torque etc., calculating obtains corresponding test simulation control parameter；
Step 2：Corresponding toggle-action lever 12, connecting rod 13, linkage connector 14 are selected according to the corresponding geometric parameter of experiment gear,
And position adjustments of first pedestal 11 on the basic slide rail of table top 1 are combined, drive mechanism is assembled, while adjusting the second pedestal 19
Position on the basic slide rail of table top 1, it is ensured that the installation center square of experiment gear pair, schematic diagram of mechanism of the present invention such as Fig. 5 (a) institutes
Show；
Step 3：The monodentate drive gear 7 and monodentate reseting gear 6 that are customized according to test parameters are arranged on crank axle 12
On, monodentate driven gear 9 and monodentate are reset gear 8 in support shaft 17, and the gear teeth of drive gear 7 are taken turns with reseting gear 6
The installation tooth pitch of tooth be more than full-height tooth away from, it is ensured that driving and reseting movement switching when have one section of idle stroke, gear engagement states exist
Determined during gear customization processing；
Step 4：Testing machine carries out high-frequency reciprocating load test, and such as Fig. 5 (b) and Fig. 5 (c) are shown, the single test cycle
Loading procedure is：From the gear teeth tooth root of drive gear 7 and the tooth top of driven gear 9 come into contact with the gear teeth tooth top of drive gear 7 with from
The root contact of moving gear 9, the piston of control slide block oil cylinder 15 does downward translational motion, and crank axle 12 is pulled and solid by connecting rod 13
The drive gear 7 and reseting gear 6 being associated on axle are rotated counterclockwise around axle center low-angle；The gear teeth of drive gear 7 pass through wheel
The gear teeth that the engaged transmission of tooth contact rolls driven gear 9 are allowed to servo-actuated low-angle and rotated clockwise；Driven gear 9 with
Load generator 20 is started working while dynamic, produces anticlockwise drag torque, is loaded into by the transmission of support shaft 17
On driven gear 9, it is ensured that in loading procedure, the gear teeth of driven gear 9 keep contacting with the gear teeth of drive gear 7, simulate tooth
Motion, power transmission in the actual engagement process of wheel；
As shown in Fig. 5 (d) and Fig. 5 (e), the urgency time process of signal period is as follows：
The piston of control slide block oil cylinder 15 does acceleration motion upwards, by the throw crank axle 12 of connecting rod 13 with connecting firmly on axle
Drive gear 7 and reseting gear 6 around axle center, low-angle is rotated clockwise rapidly；The gear teeth of drive gear 7 immediately with from
The gear teeth of moving gear 9 are disengaged；After of short duration idle stroke, the tooth top of the root contact of reseting gear 6 to the gear 8 that is reset,
Start to reset engaged transmission process；The load of the reduction of load generator 20 simultaneously, only provides the damping for keeping motion transmission stable；When
Flange encountered and stop after the flexible reset baffle block 18 with damping action when support shaft 17 revert to zero-bit；In the convex of support shaft 17
Sensor is set between edge and reset baffle block contact surface, after the two contact, activation signal is transmitted back to Testing Software, as next
One of necessary condition that cycle starts；
Step 5：The position that need to be monitored in drive gear 7 and driven gear 9 is provided with the sensor including foil gauge, monitoring
Real-time change signal.
Claims (6)
1. a kind of fatigue test device of gear engagement, including the drive device (2) that is fixed on basic table top (1), simulation are negative
Carry put (3) and experiment geared system (4), it is characterised in that drive device (2), analogue loading device (3) respectively with experiment tooth
Wheel apparatus (4) coordinates, and drive device (2), analogue loading device (3) are connected with central controller (5) respectively, central controller
(5) drive device (2) is controlled by output displacement time graph signal, it is negative by the control simulation of output loads time graph signal
Carry and put (3).
2. a kind of fatigue test device of gear engagement according to claim 1, it is characterised in that：The experiment gear dress
Put (4) and test gears by 4 monodentates and constitute, respectively drive gear (7), driven gear (9), reseting gear (6) and be reset
Gear (8), drive gear (7) is meshed with driven gear (9) gear teeth constitutes load test gear pair；Reseting gear (6) and quilt
Reseting gear (8) constitutes homing action gear pair；Drive gear (7) is co-axially mounted synchronous axial system with reseting gear (6), during installation
Take turns space width be more than full-height tooth away from；Driven gear (9) and the gear (8) that is reset are co-axially mounted synchronous axial system, two gear during installation
The gear teeth are overlapped.
3. a kind of fatigue test device of gear engagement according to claim 1, it is characterised in that：The drive device
(2) it is made up of support member and slider-crank mechanism, support member includes the first bearing (10), the first pedestal (11)；Slide crank
Block mechanism includes crank axle (12), connecting rod (13), linkage connector (14), sliding block oil cylinder (15)；First pedestal (11) and basic platform
Face (1) passes through dovetail guide connection and latched position；Crank axle (12) is crank in slider-crank mechanism, can be in the first pedestal
(11) reciprocating rotating on, for installing drive gear (7) and reseting gear (6), and with drive gear (7) and reseting gear (6)
Connected firmly by key；First bearing (10) is arranged on the first pedestal (11) and crank axle (12) one end is supported；Sliding block oil
Cylinder (15) plays sliding block in slider-crank mechanism, for loading linear reciprocating motion；Connecting rod (13) is risen in slider-crank mechanism
Connecting rod effect, one end is connected through the hinge with crank axle (12), and the other end is connected through the hinge by linkage connector (14)；Even
The piston of knock-off joint (14) and sliding block oil cylinder (15) is connected firmly.
4. a kind of fatigue test device of gear engagement according to claim 1, it is characterised in that：The fictitious load dress
Putting (3) includes the second bearing (16), support shaft (17), reset baffle block (18), the second pedestal (19), load generator (20), the
Two pedestals (19) are connected and latched position with basic table top (1) by dovetail guide；Support shaft (17) can be in the second pedestal
(19) reciprocating rotating on, is connected firmly by key and designed in synchronous axial system, support shaft (17) with driven gear (9), the gear that is reset (8)
There is the flange for limiting reset position；Second bearing (16) is arranged on the second pedestal (19) and support shaft (17) one end is propped up
Support；Load generator (20) is arranged on the second pedestal (19) and offer load torque is connected with support shaft (17) one end；Reset
Block (18) is arranged on the second pedestal (19), when being resetted by the flange on barrier support axle (17) with constraining support shaft (17)
Position.
5. a kind of fatigue test device of gear engagement according to claim 1, it is characterised in that：The central controller
(5) include control software in control card and hydraulic control valve, the current controller being arranged in computer, computer and pass through control
The piston that card produces phase shift of time signal driving hydraulic control valve operation sliding block oil cylinder (15) does linear reciprocating motion；Produce load
Lotus time signal driving load generator (20) produces different size of load torque.
6. a kind of fatigue test device of gear engagement according to claim 1, it is characterised in that：Surveyed based on the fatigue
The method of testing that trial assembly is put, comprises the following steps：
Step 1：The corresponding geometric parameter of input experiment gear, tests the loading numerical value of setting, and calculating obtains testing mould accordingly
Intend control parameter；
Step 2：Corresponding toggle-action lever (12), connecting rod (13), linkage connector are selected according to the corresponding geometric parameter of experiment gear
(14), and the first pedestal (11) position adjustments on basic table top (1) slide rail are combined, assembles drive mechanism, adjust simultaneously
Position of second pedestal (19) on basic table top (1) slide rail, it is ensured that the installation center square of experiment gear pair；
Step 3：The monodentate drive gear (7) and monodentate reseting gear (6) that are customized according to test parameters are arranged on crank axle
(12) on, monodentate driven gear (9) and monodentate are reset gear (8) in support shaft (17), drive gear (7) gear teeth with
The installation tooth pitch of reseting gear (6) gear teeth be more than full-height tooth away from, it is ensured that driving and reseting movement switching when have one section of idle stroke, tooth
Wheel engagement is determined when gear is customized and processed；
Step 4：Testing machine carries out high-frequency reciprocating load test, and the loading procedure in single test cycle is：From drive gear (7) wheel
Tooth tooth root comes into contact with drive gear (7) gear teeth tooth top and driven gear (9) root contact with driven gear (9) tooth top, controls
The piston of sliding block oil cylinder (15) processed does downward translational motion, pulls crank axle (12) by connecting rod (13) and connects firmly the drive on axle
Moving gear (7) and reseting gear (6) are rotated counterclockwise around axle center low-angle；Drive gear (7) gear teeth pass through tooth contact
Engaged transmission roll the gear teeth of driven gear (9) and be allowed to servo-actuated low-angle and rotate clockwise；Driven gear (9) is servo-actuated
While load generator (20) start working, produce anticlockwise drag torque, pass through support shaft (17) transmission loading
Onto driven gear (9), it is ensured that in loading procedure, the gear teeth of driven gear (9) keep connecing with the gear teeth of drive gear (7)
Touch, motion, power transmission in the simulation actual engagement process of gear；
It is as follows that the urgency of signal period returns process：
The piston of control slide block oil cylinder (15) does acceleration motion upwards, by connecting rod (13) throw crank axle (12) with connecting firmly in axle
On drive gear (7) and reseting gear (6) around axle center, low-angle is rotated clockwise rapidly；The gear teeth of drive gear (7)
The gear teeth with driven gear (9) are disengaged immediately；After of short duration idle stroke, the root contact of reseting gear (6) is to being reset
The tooth top of gear (8), starts to reset engaged transmission process；The load of load generator (20) reduction simultaneously, only provides and keeps motion
Transmit stable damping；When support shaft (17) revert to zero-bit, flange encounters the flexible reset baffle block (18) with damping action
After stop；Sensor is set between the flange and reset baffle block contact surface of support shaft (17), after the two contact, activation signal quilt
Pass Testing Software back, one of necessary condition started as next cycle；
Step 5：The position that need to be monitored in drive gear (7) and driven gear (9) is provided with the sensor including foil gauge, monitoring
Real-time change signal.
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| CN201710153447.6A CN106959211B (en) | 2017-03-15 | 2017-03-15 | A kind of fatigue test device and its test method of gear engagement |
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| CN201710153447.6A CN106959211B (en) | 2017-03-15 | 2017-03-15 | A kind of fatigue test device and its test method of gear engagement |
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| CN112665841A (en) * | 2020-12-18 | 2021-04-16 | 南昌航空大学 | Adjustable clamp bending fatigue testing device based on surrounding motion |
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| CN112129219A (en) * | 2018-12-26 | 2020-12-25 | 芜湖东光大华机械制造有限公司 | Operation method for detecting gear ring detection tool installed on flywheel |
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| CN111964901A (en) * | 2020-07-08 | 2020-11-20 | 河南科技大学 | Durability test device for swing type closed-power bevel gear |
| CN112666026B (en) * | 2020-12-18 | 2021-09-14 | 南昌航空大学 | Multi-component clamp bending fatigue testing device based on surrounding motion |
| CN112665841A (en) * | 2020-12-18 | 2021-04-16 | 南昌航空大学 | Adjustable clamp bending fatigue testing device based on surrounding motion |
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