CN106679973B - Fault simulation experimental box and its device - Google Patents
Fault simulation experimental box and its device Download PDFInfo
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- CN106679973B CN106679973B CN201710058877.XA CN201710058877A CN106679973B CN 106679973 B CN106679973 B CN 106679973B CN 201710058877 A CN201710058877 A CN 201710058877A CN 106679973 B CN106679973 B CN 106679973B
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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
- G01M13/04—Bearings
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Abstract
Fault simulation experimental box and its device provided by the invention, belong to fault simulation machinery field.Fault simulation experimental box includes experimental provision cabinet, and experimental provision cabinet is provided with input shaft, output shaft, jackshaft and countershaft-gear assembly, and the outer sheath of input shaft is equipped with input gear, and the outer sheath of output shaft is equipped with output gear；Countershaft-gear assembly includes pipe spreader and the intermediate gear that is sheathed on the outside of pipe spreader, and pipe spreader is sheathed on the outside of jackshaft, intermediate bearing is embedded between pipe spreader and jackshaft；Fault simulation experimental provision includes fault simulation experimental box, and experimental provision cabinet is provided with the first thrust groove, and jackshaft is provided with the second thrust groove, is embedded with thrust plate between the first thrust groove and the second thrust groove.Fault simulation experimental box can be realized the simulation of the coupling fault of bearing and gear.Fault simulation experimental provision further improves fault simulation experimental box, and countershaft-gear assembly is made to be easier to disassemble and install.
Description
Technical field
The present invention relates to fault simulation machinery fields, in particular to fault simulation experimental box and its device.
Background technique
Gearbox fault simulator stand in the prior art haves the shortcomings that following: 1, being only used for gear or bearing
Fault detection；2, it is simply possible to use in simulation straight-tooth gear failure, helical gear failure can not be simulated；3, gear and bearing fault can only
It measures respectively, the coupling fault experiment of gear and bearing cannot be simulated, i.e., cannot simulate the superposition failure of gear and bearing
Experiment；4, it when replacing failure gear, needs to disassemble gear-box completely, it is not convenient enough；5, in the experiment of simulation bearing fault, replacement
Bearing is simultaneously inconvenient, and a variety of appurtenances must also be arranged for fixing bearing, keep structure more complicated.
Summary of the invention
The purpose of the present invention is to provide fault simulation experimental box, with realize bearing fault, gear distress and bearing and
The simulation of the coupling fault of gear.
It is another object of the present invention to provide fault simulation experimental provisions, so that countershaft-gear assembly is easier to tear open
It unloads and installs.
The present invention is implemented as follows:
Fault simulation experimental box provided by the invention includes experimental provision cabinet, experimental provision cabinet be provided with input shaft,
Output shaft, jackshaft and countershaft-gear assembly, the outer sheath of input shaft are equipped with input gear, and the outer sheath of output shaft is equipped with defeated
Gear out, jackshaft are removable installed in experimental provision cabinet and between input shaft and output shafts, jackshaft, input shaft
Not in the same plane with the axial line of output shaft；During countershaft-gear assembly includes pipe spreader and is sheathed on the outside of pipe spreader
Between gear, pipe spreader is sheathed on the outside of jackshaft, intermediate bearing is embedded between pipe spreader and jackshaft；Input gear and defeated
Gear is able to engage with intermediate gear out.
Failure gear to be measured is mounted on the outside of pipe spreader, and intermediate gear is failure gear to be measured, intermediate gear and axis
Casing can be detachably connected, and can also be integrally formed.It is detachably connected, then intermediate gear can change different gears, together
When pipe spreader internal diameter can design different sizes, and then axis that can be different with Matching installation between jackshaft and pipe spreader
It holds.It is integrally formed, then pipe spreader and gear can be replaced together, and similarly, pipe spreader and gear can have different cooperations, axle sleeve
Different bearings can be still installed between pipe and jackshaft.Either any mode, the installation and removal of bearing and gear
It is all very simple, enormously simplify structure.
Faulty bearings to be measured are installed, intermediate bearing is faulty bearings to be measured between pipe spreader and jackshaft.Gear and axis
The malfunction test simulation held can carry out respectively, can also carry out simultaneously, realize the simulated experiment of superposition failure.Bearing fault list
Solely simulation, then intermediate gear is fault-free gear, and intermediate bearing is faulty bearings, and drive path is input gear, intermediate gear
And output gear；Gear distress is individually simulated, then intermediate bearing is fault-free gear, and intermediate gear is failure gear, is driven road
Diameter is input gear, intermediate gear and output gear；The coupled simulation of bearing and gear distress, intermediate gear are failure gear,
Intermediate bearing is faulty bearings, and drive path is still input gear, intermediate gear and output gear.
Further, intermediate gear is intermediate spur gear and/or intermediate helical gear.
Further, fault simulation experimental box further includes shift fork transposer, and shift fork transposer is set to output shaft
Side；Intermediate gear includes intermediate spur gear and intermediate helical gear, and intermediate spur gear and intermediate helical gear fixing sleeve are set to axle sleeve
The outside of pipe, output gear include output spur gear and output helical gear, and output helical gear idle running is sheathed on the outside of output shaft
And engaged with intermediate helical gear, output spur gear sliding sleeve is set to the outside of output shaft and rotates always with output shaft synchronous, defeated
Spur gear can engage with intermediate spur gear under the action of shift fork transposer or dock realization together with output helical gear out
Step rotation.
Further, shift fork transposer includes shift fork, and output spur gear is provided with the first inner spline housing, and output shaft is fixed
It is arranged with the first external splines set, the first external splines set is matched with the first inner spline housing, is exported helical gear close to output spur gear
Side be provided with the second external splines set, the second external splines set is covered with the first external splines to be docked and can be with the first inner spline housing
Match, the side for exporting spur gear is provided with shift fork slot, and shift fork is connected in shift fork slot.
Further, shift fork transposer includes yoke bar and rotation arm, and yoke bar is actively located in experimental provision case
Body, yoke bar and output shaft are arranged side by side, and shift fork is fixed on yoke bar, and rotation arm is located at the outside of experimental provision cabinet, turns
Start arm one end and yoke bar be rotatablely connected, rotate and be rotatably dispose in experimental provision cabinet in the middle part of arm, rotate arm energy
Enough shift fork bars move back and forth back and forth along axial line.
Further, output spur gear is first gear gear, and output helical gear is second gear gear, first gear gear and the
The number of teeth of second gear differs.
Further, experimental provision cabinet includes case lid and cabinet, and case lid is removable installed in cabinet, cabinet and case
The connecting end surface of lid is provided with mounting hole, and the both ends of jackshaft are removable installed in mounting hole, jackshaft be located at input shaft and
The upside of output shaft.
Further, intermediate bearing is any one of sliding bearing, rolling bearing or needle bearing.
Further, pipe spreader is provided with oilhole, and oilhole runs through pipe spreader.
A kind of fault simulation experimental provision, including fault simulation experimental box, experimental provision cabinet are provided with the first thrust groove,
Jackshaft is provided with the second thrust groove, is embedded with thrust plate between the first thrust groove and the second thrust groove.
Beneficial effects of the present invention: fault simulation experimental box can be realized the simulation of the coupling fault of bearing and gear.Therefore
Barrier imitative experimental appliance further improves fault simulation experimental box, and countershaft-gear assembly is made to be easier to disassemble and install.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the overall structure main view of the first structure of gearbox fault simulator provided in an embodiment of the present invention
Figure；
Fig. 2 is the overall structure top view of the first structure of gearbox fault simulator shown in FIG. 1；
Fig. 3 is the side view of the experimental provision cabinet in gearbox fault simulator shown in FIG. 1；
Fig. 4 is the top view of experimental provision cabinet shown in Fig. 3；
Fig. 5 is the partial sectional view of the B-B in Fig. 3；
Fig. 6 is the partial sectional view of the countershaft-gear assembly setting deep groove ball bearing in Fig. 3；
Fig. 7 is the cross-sectional view of the A-A in Fig. 3；
Fig. 8 be gearbox fault simulator shown in FIG. 1 in experimental provision cabinet in cabinet side view；
Fig. 9 is the overall structure main view of second of structure of gearbox fault simulator provided in an embodiment of the present invention
Figure.
Icon: 100- experimental provision cabinet；101- input shaft；102- output shaft；103- jackshaft；104- countershaft-gear
Assembly；105- input gear；106- output gear；107- pipe spreader；108- intermediate gear；109- intermediate bearing；200- shift fork
Transposer；Spur gear among 201-；Helical gear among 202-；203- exports spur gear；204- exports helical gear；205- is dialled
Fork；The first inner spline housing of 206-；207- the first external splines set；208- the second external splines set；209- shift fork slot；300- shift fork
Bar；301- rotates arm；302- case lid；303- cabinet；304- mounting hole；305- oilhole；306- thrust plate；307- pedestal；
308- electromagnetic brake；309- driving motor；400- loading axis；401- brake.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " first ", " second ", " third " etc. are only used for distinguishing and retouch
It states, is not understood to indicate or imply relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Specific embodiment, referring to figs. 1 to Fig. 9.
Gearbox fault simulator, as depicted in figs. 1 and 2, including pedestal 307, pedestal 307 are provided with driving motor
309, experimental provision cabinet 100 and load aid mechanism.
Fault simulation experimental box experimental provision cabinet 100 provided in this embodiment, as shown in Figure 3 and Figure 4, experimental provision case
Body 100 is provided with input shaft 101, output shaft 102, jackshaft 103 and countershaft-gear assembly 104, the outer sheath of input shaft 101
Equipped with input gear 105, the outer sheath of output shaft 102 is equipped with output gear 106, and jackshaft 103 is removable installed in experiment
Device box 100 and between input shaft 101 and output shaft 102, the axis of jackshaft 103, input shaft 101 and output shaft 102
Heart line is not in the same plane；Countershaft-gear assembly 104 includes pipe spreader 107 and the centre for being sheathed on 107 outside of pipe spreader
Gear 108, pipe spreader 107 are sheathed on the outside of jackshaft 103, are embedded with intermediate bearing between pipe spreader 107 and jackshaft 103
109；Input gear 105 and output gear 106 are able to engage with intermediate gear 108.
Load aid mechanism is provided with loading axis 400, and input shaft 101 is connect with driving motor 309 by first shaft coupling,
Output shaft 102 is connect by second shaft coupling with loading axis 400.
Failure gear to be measured is mounted on the outside of pipe spreader 107, and intermediate gear 108 is failure gear to be measured, center tooth
Wheel 108 can be detachably connected with pipe spreader 107, can also be integrally formed.It is detachably connected, then intermediate gear 108 can be torn open
Different gears is changed, while the internal diameter of pipe spreader 107 can cooperate different bearing and jackshaft there are many different sizes
103, multiple combinations, mountable a variety of bearings including needle bearing can be formed according to requirement of experiment.It is integrally formed,
Then pipe spreader 107 and gear can be replaced together, and similarly, pipe spreader 107 and gear can have different cooperations, pipe spreader 107
Different bearings can be still installed between jackshaft 103.Either any mode, the installation and removal of bearing and gear
It is all very simple, enormously simplify structure.
Faulty bearings to be measured are installed between pipe spreader 107 and jackshaft 103, intermediate bearing 109 is faulty bearings to be measured,
Simulate bearing fault.The simulation of the malfunction test of gear and bearing can carry out respectively, can also carry out simultaneously, realize superposition failure
Simulated experiment.Bearing fault is individually simulated, then intermediate gear 108 is fault-free gear, and intermediate bearing 109 is faulty bearings,
Drive path is input gear 105, intermediate gear 108 and output gear 106；Gear distress is individually simulated, then intermediate bearing 109
For fault-free gear, intermediate gear 108 is failure gear, and drive path is input gear 105, intermediate gear 108 and output gear
Wheel 106；The coupled simulation of bearing and gear distress, intermediate gear 108 are failure gear, and intermediate bearing 109 is faulty bearings, are passed
Dynamic path is still input gear 105, intermediate gear 108 and output gear 106.In conclusion gear and bearing can be set respectively
Failure is set, the gear of different faults and bearing can also be subjected to simulated experiment together, to simulate the event of gear and bearing coupling
Hinder operating condition.
In addition, 103 structure of jackshaft for installing countershaft-gear assembly 104 is simple, and it is easy to process, it can also be used to
The fault of eccentricity of jackshaft 103 is set.
Meanwhile gearbox fault simulator provided by the present application is compared with prior art a small-size experiment equipment,
Integrated level is high, and easy to use, operation and maintenance is at low cost.
Intermediate gear 108 is intermediate spur gear 201 and/or intermediate helical gear 202.Intermediate gear 108 can be separately provided
For Spur Gear Driving, can also be separately provided as Helical gear Transmission, spur gear and helical gear can also be set simultaneously, spur gear and
Helical gear is sheathed on the outside of jackshaft 103, is respectively arranged at the both ends of jackshaft 103, can be respectively to spur gear and helical teeth
Wheel failure is simulated, and disassembly components are not during which needed, and the meshing relation by adjusting output gear 106 can be realized.
As shown in figure 5, pipe spreader 107 is provided with oilhole 305, oilhole 305 runs through the pipe spreader 107.Oilhole is set
305, to help lubricating oil to enter the internal diameter of pipe spreader 107, lubricate bearing.
As shown in Figure 3 and Figure 4, gearbox fault simulator further includes shift fork transposer 200, shift fork transposer
200 are set to the side of output shaft 102；As shown in figure 5, intermediate gear 108 includes intermediate spur gear 201 and intermediate helical gear
202, set on the outside of pipe spreader 107, output gear 106 includes output for intermediate spur gear 201 and intermediate 202 fixing sleeve of helical gear
Spur gear 203 and output helical gear 204, output helical gear 204 dally be sheathed on output shaft 102 outside and with intermediate helical gear
202 engagements, output 203 sliding sleeve of spur gear are set to the outside of output shaft 102 and rotate synchronously always with output shaft 102, output
Spur gear 203 can be engaged with intermediate spur gear 201 under the action of shift fork transposer 200 or with output helical gear 204
Docking, which is realized, to be rotated synchronously.
Under the action of shift fork transposer 200, spur gear 203 is exported there are two kinds of working conditions, the first state is,
Output spur gear 203 is engaged with intermediate spur gear 201 and with output helical gear 204 without the relationship of synchronous rotation, meanwhile, export straight-tooth
Wheel 203 is in synchronous rotation state with output shaft 102 always, at this point, since output helical gear 204 dallies, whole transmission road
Diameter is: input gear 105, intermediate helical gear 202, intermediate spur gear 201, output spur gear 203 arrive output shaft 102, the first
State is used for intermediate 201 fault detection of spur gear.Second of state, output spur gear 203 dock reality with output helical gear 204
It now rotates synchronously, output spur gear 203 and output shaft 102 are still in synchronous rotation state, since output helical gear 204 is in
Between helical gear 202 engage always, whole drive path is: input gear 105, intermediate helical gear 202, output helical gear 204,
It exports spur gear 203 and arrives output shaft 102, second of state is used for intermediate 202 fault detection of helical gear.And then helical teeth may be implemented
Fault simulation is taken turns, and can realize respectively the detection of spur gear and helical gear failure in the case where not dismantling other component,
Single unit system structure member centralized arrangement is realized, operating procedure and detecting step are simplified.
As shown in fig. 7, shift fork transposer 200 includes shift fork 205, output spur gear 203 is provided with the first inner spline housing
206,102 fixing sleeve of output shaft is equipped with the first external splines set 207, and the first external splines set 207 is matched with the first inner spline housing 206,
Export helical gear 204 close output spur gear 203 side be provided with the second external splines set 208, the second external splines set 208 and
First external splines set 207 is docked and can be matched with the first inner spline housing 206, and the side of output spur gear 203 is provided with shift fork
Slot 209, shift fork 205 are connected in shift fork slot 209.
Output helical gear 204 dallies on the outside of output shaft 102, and output helical gear 204 is nibbled always with intermediate helical gear 202
It closes, exports and connected always by the first external splines set 207 and the first inner spline housing 206 between spur gear 203 and output shaft 102,
It realizes and rotates synchronously.When intermediate 201 fault detection of spur gear, output spur gear 203 is engaged with intermediate spur gear 201, and output is oblique
Gear 204 dallies, and drive path is input gear 105, intermediate helical gear 202, intermediate spur gear 201 to output spur gear
203.When intermediate 202 fault detection of helical gear, the driving of shift fork 205 output spur gear 203 is oblique towards close output along output shaft 102
The direction of gear 204 is mobile, when the first inner spline housing 206 docks matching with the second external splines set 208, exports spur gear 203
It is connect between output helical gear 204 by the second external splines set 208, output helical gear 204 drives 203 turns of spur gear of output
Dynamic, output spur gear 203 drives output shaft 102 to rotate by the matching of the first inner spline housing 206 and the second external splines set 208,
Realize output.
As shown in fig. 7, shift fork transposer 200 includes yoke bar 300 and rotation arm 301,300 activity of yoke bar is worn
In experimental provision cabinet 100, yoke bar 300 and output shaft 102 are arranged side by side, and shift fork 205 is fixed on yoke bar 300, rotate hand
Arm 301 is located at the outside of experimental provision cabinet 100, and the one end and yoke bar 300 for rotating arm 301 are rotatablely connected, and rotates arm
301 middle part is rotatably dispose in experimental provision cabinet 100, rotation arm 301 can shift fork bar 300 along axial line back and forth
It moves back and forth.
The one end for rotating arm 301 is force side, and the other end and the yoke bar 300 for rotating arm 301 are hinged, force side with
The rotation direction of hinged end on the contrary, to the direction rotation urging end towards cabinet 303, the driving of shift fork 205 output spur gear 203 to
Side close to output helical gear 204 is mobile, to the direction rotation urging end far from cabinet 303, the driving output straight-tooth of shift fork 205
Wheel 203 is mobile to one end far from output helical gear 204.
As shown in figure 5, output spur gear 203 is first gear gear, output helical gear 204 is second gear gear, first gear
The number of teeth of gear and second gear gear differs.
When first gear exports, output spur gear 203 is engaged with centre spur gear 201, and drive path is, input gear 105,
Intermediate helical gear 202, intermediate spur gear 201 to output spur gear 203；Therefore, when first gear exports, intermediate spur gear is realized
201 fault detection.
When second gear exports, spur gear 203 is exported under the action of shift fork 205 close to output helical gear 204, exports straight-tooth
Wheel 203 and intermediate spur gear 201 are staggered, and the first inner spline housing 206 is matched with the second external splines set 208, and drive path is to input
Gear 105, intermediate helical gear 202, output helical gear 204 to output spur gear 203；Therefore, it when second gear exports, realizes intermediate
The fault detection of helical gear 202.To sum up, high, low speed gear change operation is realized.
Intermediate bearing 109 is any one of sliding bearing, rolling bearing or needle bearing.Adjust pipe spreader 107
The dimensional fits relationship of internal diameter and jackshaft 103 can install different bearings between pipe spreader 107 and jackshaft 103, complete
It is tested at the fault simulation of different bearings.As shown in figure 5, intermediate bearing 109 is needle bearing, as shown in fig. 6, intermediate bearing
109 be deep groove ball bearing.
As shown in figure 8, experimental provision cabinet 100 includes case lid 302 and cabinet 303, case lid 302 is removable installed in case
Body 303, cabinet 303 are provided with mounting hole 304 with the connecting end surface of case lid 302, and the both ends of jackshaft 103 are removably disposed
In mounting hole 304, jackshaft 103 is located at the upside of input shaft 101 and output shaft 102, and then countershaft-gear assembly 104 is installed
In the top of experimental provision cabinet 100, facilitate the disassembling, assembling and replacing of countershaft-gear assembly 104.
Jackshaft 103 is detachably set to mounting hole 304, when installation and removal, it is only necessary to dismantle case lid 302.
Countershaft-gear assembly 104 is set to jackshaft 103, can integral installation and disassembly, do not need connection shaft coupling, reduce more
The operation difficulty changed and disassembled.It can be used for installing each class bearing and gear.
As shown in Fig. 1 and Fig. 9, load aid mechanism can be brake 401, generator or electromagnetic brake 308, sheet
In embodiment, load aid mechanism is electromagnetic brake 308, between the output shaft 102 and loading axis 400 of electromagnetic brake 308
It is connected by second shaft coupling.Generator is at high cost as load.Operation and maintenance is at high cost.Electromagnetic brake 308 is as defeated
It loads out, operation and maintenance is at high cost.Using electromagnetic brake 308, it can be achieved that brake operating, easy to operate；Operation and maintenance
It is convenient, it is at low cost.
The present embodiment additionally provides fault simulation experimental provision as shown in figure 5, experimental provision cabinet 100 is provided with first stops
Slot is pushed away, jackshaft 103 is provided with the second thrust groove, thrust plate 306 is embedded between the first thrust groove and the second thrust groove.Pass through
Thrust plate 306 is set, the axial movement of jackshaft 103 can be effectively prevent.Play the work of fixed countershaft-gear assembly 104
With, while being convenient for the installation and removal of countershaft-gear assembly 104.
The gearbox fault simulation system that the present embodiment also provides, including gearbox fault simulator, pedestal 307 include
Mounting base, mounting base, which is successively arranged side by side, the first mounting base, the second mounting base and third mounting base, driving motor 309
Be set to the first mounting base, experimental provision cabinet 100 is set to the second mounting base, load aid mechanism be set to third installation
Seat.The rational deployment that can be realized component reduces the occupied space of overall volume, is more suitable for simulated experiment.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of fault simulation experimental box, which is characterized in that including experimental provision cabinet, the experimental provision cabinet is provided with defeated
Enter axis, output shaft, jackshaft and countershaft-gear assembly, the outer sheath of the input shaft is equipped with input gear, the output shaft
Outer sheath be equipped with output gear, the jackshaft be removable installed in the experimental provision cabinet and be located at the input shaft
Between the output shaft, the axial line of the jackshaft, the input shaft and the output shaft is not in the same plane；It is described
Countershaft-gear assembly includes pipe spreader and the intermediate gear that is sheathed on the outside of the pipe spreader, and the pipe spreader is sheathed on described
The outside of jackshaft is embedded with intermediate bearing between the pipe spreader and the jackshaft；The input gear and the output
Gear is able to engage with the intermediate gear；
The jackshaft, the bearing and the intermediate gear can be used as trouble unit.
2. fault simulation experimental box according to claim 1, which is characterized in that the intermediate gear is intermediate spur gear
And/or intermediate helical gear.
3. fault simulation experimental box according to claim 2, which is characterized in that the fault simulation experimental box further includes dialling
Transposer is pitched, the shift fork transposer is set to the side of the output shaft；The intermediate gear includes intermediate spur gear
With intermediate helical gear, the intermediate spur gear and the intermediate helical gear fixing sleeve are described defeated set on the outside of the pipe spreader
Out gear include output spur gear and output helical gear, it is described output helical gear idle running be sheathed on the output shaft outside and with
The intermediate helical gear engagement, the output spur gear sliding sleeve be set to the outside of the output shaft and always with the output shaft
Rotate synchronously, the output spur gear can be engaged with the intermediate spur gear under the action of shift fork transposer or
Realization is docked with the output helical gear to rotate synchronously.
4. fault simulation experimental box according to claim 3, which is characterized in that the shift fork transposer includes shift fork,
The output spur gear is provided with the first inner spline housing, and the output shaft fixing sleeve is equipped with the first external splines set, outside described first
Spline housing is matched with first inner spline housing, and the helical gear side close to the output spur gear of the output is provided with the
Two external splines sets, the second external splines set dock with first external splines set and can be with first inner spline housings
Match, the side of the output spur gear is provided with shift fork slot, and the shift fork is connected in the shift fork slot.
5. fault simulation experimental box according to claim 4, which is characterized in that the shift fork transposer includes yoke bar
With rotation arm, the yoke bar is actively located in the experimental provision cabinet, and the yoke bar is set side by side with the output shaft
It sets, the shift fork is fixed on the yoke bar, and the rotation arm is located at the outside of the experimental provision cabinet, the rotation hand
One end of arm and the yoke bar are rotatablely connected, and are rotatably dispose in the experimental provision cabinet, institute in the middle part of the rotation arm
Stating rotation arm can drive the yoke bar to move back and forth back and forth along axial line.
6. fault simulation experimental box according to claim 3, which is characterized in that the output spur gear is first gear tooth
Wheel, the output helical gear are second gear gear, and the number of teeth of the first gear gear and the second gear gear differs.
7. fault simulation experimental box according to claim 1, which is characterized in that the experimental provision cabinet include case lid and
Cabinet, the case lid are removable installed in the cabinet, and the cabinet is provided with installation with the connecting end surface of the case lid
Hole, the both ends of the jackshaft are removable installed in the mounting hole, and the jackshaft is located at the input shaft and described defeated
The upside of shaft.
8. fault simulation experimental box according to claim 1, which is characterized in that the intermediate bearing be sliding bearing or
Rolling bearing.
9. fault simulation experimental box according to claim 1, which is characterized in that the pipe spreader is provided with oilhole, described
Oilhole runs through the pipe spreader.
10. a kind of fault simulation experimental provision, which is characterized in that including failure mould described in any one of claim 1 to 9
Draft experiment case, the experimental provision cabinet are provided with the first thrust groove, and the jackshaft is provided with the second thrust groove, and described first
Thrust plate is embedded between thrust groove and second thrust groove.
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| CN106679973B true CN106679973B (en) | 2019-09-17 |
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