CN104330254A - Experiment table for simulating gear combined faults and simulation method - Google Patents
Experiment table for simulating gear combined faults and simulation method Download PDFInfo
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- CN104330254A CN104330254A CN201410591289.9A CN201410591289A CN104330254A CN 104330254 A CN104330254 A CN 104330254A CN 201410591289 A CN201410591289 A CN 201410591289A CN 104330254 A CN104330254 A CN 104330254A
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Abstract
The invention belongs to the technical field of experiments and specifically relates to an experiment table for simulating single faults and combined faults on gears of different types and different sizes, and a simulation method. The experiment table comprises a first rotating shaft and a second rotating shaft which are rotatably arranged on a base, wherein the vertical distance between the first rotating shaft and the second rotating shaft is adjustable; the first rotating shaft is connected with the main shaft of a motor in a synchronous rotation manner; at least one fault simulating gears are arranged on each of the first rotating shaft and the second rotating shaft, and the fault simulating gears are adjustably and fixedly connected in the axial direction of the rotating shafts, respectively; the experiment table further comprises sensors for detecting the radial vibration and the axial vibration of the first rotating shaft and the second rotating shaft. The gear experiment table and the simulation method have the advantages that the gears of different faults are engaged with each other by adjusting the positions of the fault simulating gears on the rotating shafts so that the influence of a plurality of fault forms on gear transmission can be detected, and moreover, the distance between the first rotating shaft and the second rotating shaft of the experiment table is adjustable so that the gears can be demounted and mounted easily; as a result, the experiment table is applicable to the gears of different types and different sizes.
Description
Technical field
The present invention relates to a kind of experiment table and the analogy method that can carry out single failure and combined failure simulation to variety classes, different model gear, belong to experimental technique field.
Background technology
Gear is the drive disk assembly that plant equipment is commonly used, gear after long time running often because the reason such as friction, overload causes the faults such as spot corrosion (flank of tooth occurring the hollow point be worn), broken teeth (having flute profile to produce fracture), gummed (in two Meshing Process of Spur Gears, the material of a gear teeth face adheres on the flank of tooth of another gear), and both appointing in this three or the combined failure that forms of three.Existing gear experiment table can only simulate the wherein a kind of of the faults such as spot corrosion, broken teeth, gummed mostly, cannot simulate the combined failure that two kinds and two or more fault are combined to form; In addition, existing experiment table can only be simulated for the one in straight-tooth or helical teeth, and can not simulate the running status of bevel gear, does not have versatility.Given this, design, develop a kind of experiment table and the analogy method that can carry out single failure and combined failure simulation to variety classes, different model gear, thus provide basic, significant with monitoring for the research of gear complex fault.
Summary of the invention
The technical problem to be solved in the present invention is the defect overcoming prior art, provides a kind of and can simulate multiple gear combination fault and be applicable to Multiple Type, the experiment table of multiple kind of type gear and analogy method.
Technical matters of the present invention realizes with following technical proposals:
A kind of experiment table of simulating gear combination fault, described experiment table comprise base rotates setting the first rotating shaft second rotating shaft described in vertical range between the first rotating shaft and the second rotating shaft be adjustable setting, described first rotating shaft is connected with electric machine main shaft synchronous axial system, first, second rotating shaft described is respectively provided with at least two fault simulation gears, described fault simulation gear is fixedly connected with along the axial adjustable of respective place rotating shaft; Experiment table also comprises the sensor for detecting first, second rotating shaft radial vibration and axial vibration;
Present invention also offers and a kind ofly utilize above-mentioned simulation gear combination malfunction test platform to carry out the method for gear combination fault simulation, concrete steps are as follows:
A. the analogy method realizing different gear combination fault is: back out the screw for persistent fault simulation gear, move axially, adjust fault simulation gear and be positioned at position in the first rotating shaft and the second rotating shaft, the fault simulation gear of different faults in two rotating shafts is made to realize engagement, can simulate the various combination fault of pair of engaged gears, this process need ensure that the first rotating shaft is engaged with the second rotating shaft only having a pair gear;
B. variety classes is realized or model gear replacing options is: the upper cover first unloading lower coupler and first, second bearing seat, then by the first rotating shaft and the whole taking-up of the second rotating shaft, back out the screw for persistent fault simulation gear and first, second rotating shaft, fault simulation gear in rotating shaft can be unloaded, thus the fault simulation gear of another kind of integral replacing or the similar fault verification of another model;
C. realizing fault simulation gear mutual method changed between parallel engagement system and Vertical Meshing mode is: withdrawn from from the socket and guide at current place by latch, and by turntable rotation 90 °, another group guide is alignd with plug, again inserts latch.
Technique effect of the present invention is: can adjust the position of fault simulation gear in rotating shaft, thus makes enough to be rotatably assorted between the gear of different faults, and inspection various faults form is on gear-driven impact; In addition, the distance between first, second rotating shaft of the present invention is adjustable, is easy to install, dismantle between gear and rotating shaft, and therefore the present invention can be applicable to the gear of variety classes and different model.
Accompanying drawing explanation
Fig. 1 is the perspective view of the embodiment of the present invention 1;
Fig. 2 is the vertical view of the embodiment of the present invention 1;
Fig. 3 is the vertical view of the embodiment of the present invention 2;
Fig. 4 is the cooperation schematic diagram that in the embodiment of the present invention 2, second rotating shaft realizes height control.
The implication that in figure, each label is corresponding is: 10, base, the 11, first rotating shaft, the 12, second rotating shaft, 13, motor, 14, clutch shaft bearing seat, the 15, second bearing seat, 16, mounting hole, 17, fit key, 18, threaded hole, 19, shaft coupling, 20, fault simulation gear, 21, axial ledge, 22, radial screw bore, 31, radial acceleration sensor, 32, axial acceleration sensor, 40, rotating disk, 41, latch, 42, socket, 43, guide, 44, column, 45, leading screw.
Embodiment
Following embodiment further illustrates using as the explaination to the technology of the present invention content for content of the present invention; but flesh and blood of the present invention is not limited in described in following embodiment, those of ordinary skill in the art can and should know any simple change based on connotation of the present invention or replace all should belong to protection domain of the presently claimed invention.
As shown in Figure 1,2,3, 4, a kind of experiment table of simulating gear combination fault, comprise first rotating shaft 11, second rotating shaft 12 of base 10 rotating setting, vertical range between described first rotating shaft 11 and the second rotating shaft 12 is adjustable setting, described first rotating shaft 11 is rotationally connected by shaft coupling 19 and motor 13 spindle synchronous, first, second rotating shaft 11,12 described is respectively provided with at least two fault simulation gears 20, and described fault simulation gear 20 is fixedly connected with along the axial adjustable of respective place rotating shaft; Experiment table also comprises the sensor for detecting first, second rotating shaft 11,12 radial vibration and axial vibration.
Further, first, second rotating shaft 11,12 described is respectively provided with seven fault simulation gears 20, and these seven fault simulation gears 20 are respectively normal gear, pitting fault gear, broken teeth fault gear, gummed fault gear, spot corrosion and broken teeth combined failure gear, spot corrosion and gummed combined failure gear, broken teeth and gummed combined failure gear.
Further, the axial plane of first, second rotating shaft 11,12 described is equipped with the fit key 17 along axially arranging continuously separately, the hole wall of the center pit of described each fault simulation gear 20 is provided with keyway, and described fit key 17 and keyway coordinate and be used for synchronous axial system between fault simulation gear 20 with respective place rotating shaft is connected; The axle body of first, second rotating shaft 11,12 described is provided with the threaded hole 18 of multiple uniform intervals vertically layout, the central aperture edge of described fault simulation gear 20 is provided with axial ledge 21, described axial ledge is provided with the radial screw bore 22 running through this flange, and described fault simulation gear 20 realizes axial restraint with the rotating shaft of respective place by arranging screw in threaded hole.
Each fault simulation gear 20 and can be installed gib screw and adjusts its axial location in rotating shaft by removal, and ensure to only have a pair fault simulation gear 20 to engage all the time, other fault simulation gear 20 is unsettled, unsettled fault simulation gear 20 effect is the equal of a disk, can realize first as required like this, second rotating shaft 11, any two fault simulation gears 20 on 12 engage, thus simulate following combined fault situation: normal-normal, normally-spot corrosion, normally-broken teeth, normally-gummed, normally-spot corrosion and broken teeth compound, normally-spot corrosion and gummed compound, normally-broken teeth and gummed compound, spot corrosion-spot corrosion, spot corrosion-broken teeth, spot corrosion-gummed, spot corrosion-spot corrosion and broken teeth compound, spot corrosion-spot corrosion and gummed compound, spot corrosion-broken teeth and gummed compound, broken teeth-broken teeth, broken teeth-gummed, broken teeth-spot corrosion and broken teeth compound, broken teeth-spot corrosion and gummed compound, broken teeth-broken teeth and gummed compound, gummed-gummed, gummed-spot corrosion and broken teeth compound, gummed-spot corrosion and gummed compound, gummed-broken teeth and gummed compound, spot corrosion and broken teeth compound-spot corrosion and broken teeth compound, spot corrosion and broken teeth compound-spot corrosion and gummed compound, spot corrosion and broken teeth compound-broken teeth and gummed compound, spot corrosion and gummed compound-spot corrosion and gummed compound, broken teeth and gummed compound-broken teeth and gummed compound.
Further, described sensor setting is on first, second bearing seat 14,15, first, second bearing seat 14,15 described is respectively provided with two radial acceleration sensors 31 and an axial acceleration sensor 32, and the detection direction of described two radial acceleration sensors 31 is mutually vertical.Radial acceleration sensor 31 is for detecting the radial vibration of first, second rotating shaft 11,12, and axial acceleration sensor is for detecting the axial vibration of first, second rotating shaft 11,12.
Embodiment 1
As shown in Figure 1, 2, described first rotating shaft 11 and the second rotating shaft 12 is located in the same horizontal plane and the two is arranged in parallel, described first rotating shaft 11 is arranged on clutch shaft bearing seat 14, described clutch shaft bearing seat 14 is fixedly connected with base 10, described second rotating shaft 12 is arranged on the second bearing seat 15, and described second bearing seat 15 is fixedly installed along perpendicular to the horizontal direction of the second rotating shaft 12 axis is adjustable on base 10.
Further, described base 10 is provided with two rows for installing the mounting hole 16 of the second bearing seat 15, and described mounting hole 16 is arranged along the horizontal direction uniform intervals perpendicular to the first rotating shaft 11 axis.
In this embodiment, the distance between the first rotating shaft 11 and the second rotating shaft 12 can be changed by the horizontal installation position changing the second bearing seat 15, thus enable experiment table adapt to the gear of different model.
Embodiment 2
As shown in Figure 3,4, first, second rotating shaft 11,12 described is all horizontally disposed and the two is between the upper and lower every layout, described first rotating shaft 11 is arranged on clutch shaft bearing seat 14, described clutch shaft bearing seat 14 is fixedly connected with base 10, described second rotating shaft 12 is arranged on the second bearing seat 15, and the height of described second bearing seat 15 on base is adjustable setting.
Further, described base 10 is provided with rotating disk 40, described rotating disk 40 axis of rotation is vertically arranged on base 10, and described second bearing seat 15 is arranged on rotating disk 40, is provided with the latch mechanism for limiting dial rotation between described rotating disk 40 and base 10.
Further, described rotating disk 40 is provided with column 44, described column 44 is provided with the chute of vertical direction, described second bearing seat 15 is positioned at chute, described second bearing seat 15 is provided with vertically through threaded hole, described column 44 is provided with the leading screw 45 arranged along chute, and described second bearing seat 15 forms screw-nut body with leading screw 45.Just can regulate the height of the second bearing seat 15 with hex(agonal)screw cutter rotating threaded shaft 45, and then regulate vertical range between the first rotating shaft 11 and the second rotating shaft 12, make it adapt to the gear of different model.
Further, described latch mechanism comprise on base 10 arrange latch 41 and rotating disk 40 on arrange socket 42, the axis of described latch 41 is arranged along rotating disk 40 radial direction, described latch 41 is positioned at the guide 43 that base 10 is fixedly installed, described latch 41 arranges two groups, and described two groups of latches 41 along rotating disk 40 circumferentially and 1/4, the two interval circumference.When one of them latch 41 engages with socket 42, the second rotating shaft 12 and the first rotating shaft 11 are parallel to each other, and when another latch 41 engages with socket 42, the second rotating shaft 12 is mutually vertical with the first rotating shaft 11.
In this embodiment, rotary turnplate 40 can make to there are parallel and vertical two stations between the second rotating shaft 12 with the first rotating shaft 11, when the second rotating shaft 12 is parallel with the first rotating shaft 11, be mainly used in simulation spur gear or helical gear duty, when the second rotating shaft 12 is vertical with the first rotating shaft 11, be mainly used in the duty simulating bevel gear.
The above-mentioned gear experiment table related to, first, second bearing seat 14,15 is upper and lower dissection type, is connected between upper cover with bearing base by bolt.After upper cover unloads, whole rotating shaft can be unloaded, and the fault simulation gear 20 on bearing and rotating shaft is dismantled, so just, can realize changing fault simulation gear 20 classification, such as originally carry out the fault simulation of spur gear, after being pulled down by all spur gears, one group of spiral gear of similar specification and fault verification or the gear of bevel gear or other type can be installed by integral replacing.
As preferred version of the present invention, the bearing for supporting revolving shaft in the first rotating shaft 11 and the second rotating shaft 12 is angular contact ball bearing, and the situation having axial force to produce for simultaneous adaptation helical teeth, the engagement of cone tooth etc. and straight-tooth engagement etc. are without the situation of axial force generation.
The method that the experiment table of above-mentioned simulation gear combination fault carries out gear combination fault simulation is as follows:
A. the analogy method realizing different gear combination fault is: back out the screw for persistent fault simulation gear 20, move axially, adjust fault simulation gear 20 and be positioned at position in the first rotating shaft 11 and the second rotating shaft 12, the fault simulation gear 20 of different faults in two rotating shafts is made to realize engagement, can simulate the various combination fault of pair of engaged gears, this process need ensure that the first rotating shaft 11 only has a pair gear to engage with in the second rotating shaft 12;
B. the method realizing variety classes or model gear replacing options and gear disassembling and installation is: the upper cover first unloading lower coupler 19 and first, second bearing seat 14,15, then by the first rotating shaft 11 and the whole taking-up of the second rotating shaft 12, back out for the screw of persistent fault simulation gear 20 with first, second rotating shaft 11,12, fault simulation gear 20 in rotating shaft can be unloaded, thus the fault simulation gear 20 of another kind of integral replacing or the similar fault verification of another model;
C. realize fault simulation gear between parallel engagement system and spur gear or spiral gear, to engage each other the method changed mutually between engaging each other between Vertical Meshing mode and bevel gear be: latch 41 is withdrawn from from the socket 42 and guide 43 at current place, and by rotating disk 40 half-twist, another group guide 43 is alignd with plug 42, again inserts latch 41.
Claims (10)
1. simulate the experiment table of gear combination fault for one kind, it is characterized in that: described experiment table comprises upper first rotating shaft (11) of rotating setting of base (10), second rotating shaft (12), vertical range between described first rotating shaft (11) and the second rotating shaft (12) is adjustable setting, described first rotating shaft (11) and motor (13) spindle synchronous are rotationally connected, described first, second rotating shaft (11, 12) at least two fault simulation gears (20) are respectively provided with on, described fault simulation gear (20) is fixedly connected with along the axial adjustable of respective place rotating shaft, experiment table also comprises the sensor for detecting first, second rotating shaft (11,12) radial vibration and axial vibration.
2. the experiment table of simulation gear combination fault according to claim 1, it is characterized in that: described first rotating shaft (11) and the second rotating shaft (12) is located in the same horizontal plane and the two is arranged in parallel, described first rotating shaft (11) is arranged on clutch shaft bearing seat (14), described clutch shaft bearing seat (14) is fixedly connected with base (10), described second rotating shaft (12) is arranged on the second bearing seat (15), described second bearing seat (15) is fixedly installed perpendicular to the horizontal direction of the second rotating shaft (12) axis is adjustable on the upper edge of base (10).
3. the experiment table of simulation gear combination fault according to claim 1, it is characterized in that: first, second rotating shaft described (11,12) is all horizontally disposed and the two is between the upper and lower every layout, described first rotating shaft (11) is arranged on clutch shaft bearing seat (14), described clutch shaft bearing seat (14) is fixedly connected with base (10), described second rotating shaft (12) is arranged on the second bearing seat (15), and the height of described second bearing seat (15) on base is adjustable setting.
4. the experiment table of simulation gear combination fault according to claim 1, it is characterized in that: first, second rotating shaft described (11,12) is respectively provided with seven fault simulation gears (20), these seven fault simulation gears (20) are respectively normal gear, pitting fault gear, broken teeth fault gear, gummed fault gear, spot corrosion and broken teeth combined failure gear, spot corrosion and gummed combined failure gear, broken teeth and gummed combined failure gear.
5. the experiment table of simulation gear combination fault according to claim 3, it is characterized in that: described base (10) is provided with rotating disk (40), described rotating disk (40) axis of rotation is vertically arranged on base (10), described second bearing seat (15) is arranged on rotating disk (40), is provided with the latch mechanism for limiting dial rotation between described rotating disk (40) and base (10).
6. the experiment table of the simulation gear combination fault according to claim 2,3, it is characterized in that: the axial plane of first, second rotating shaft described (11,12) is equipped with the fit key (17) along axially arranging continuously separately, the hole wall of the center pit of described each fault simulation gear (20) is provided with keyway, and described fit key (17) and keyway coordinate and be used for synchronous axial system between fault simulation gear (20) with respective place rotating shaft is connected; The axle body of first, second rotating shaft described (11,12) is provided with the threaded hole (18) of multiple uniform intervals vertically layout, the central aperture edge of described fault simulation gear (20) is provided with axial ledge (21), described axial ledge is provided with the radial screw bore (22) running through this flange, and described fault simulation gear (20) and the rotating shaft of respective place realize axial restraint by arranging screw in threaded hole.
7. the experiment table of simulation gear combination fault according to claim 2, it is characterized in that: described base (10) is provided with two rows for installing the mounting hole (16) of the second bearing seat (15), described mounting hole (16) is arranged along the direction uniform intervals perpendicular to the first rotating shaft (11) axis.
8. the experiment table of simulation gear combination fault according to claim 5, it is characterized in that: described rotating disk (40) is provided with column (44), described column (44) is provided with the chute of vertical direction, described second bearing seat (15) is positioned at chute, described second bearing seat (15) is provided with vertically through threaded hole, described column (44) is provided with the leading screw (45) arranged along chute, and described second bearing seat (15) and leading screw (45) form screw-nut body.
9. the experiment table of simulation gear combination fault according to claim 5, it is characterized in that: described latch mechanism comprises latch (41) and the upper socket (42) arranged of rotating disk (40) of the upper setting of base (10), the axis of described latch (41) is arranged along rotating disk (40) radial direction, described latch (41) is positioned at the guide (43) that base (10) is fixedly installed, described latch (41) arranges two groups, and described two groups of latches (41) along rotating disk (40) circumferentially and 1/4, the two interval circumference.
10. utilize the simulation gear combination malfunction test platform described in any one of claim 1 to 9 to carry out a method for gear combination fault simulation, it is characterized in that:
A. the analogy method realizing different gear combination fault is: back out the screw for persistent fault simulation gear (20), move axially, adjust fault simulation gear (20) and be positioned at position in the first rotating shaft (11) and the second rotating shaft (12), the fault simulation gear (20) of different faults in two rotating shafts is made to realize engagement, can simulate the various combination fault of pair of engaged gears, this process need ensure that the first rotating shaft (11) only has a pair gear to engage with in the second rotating shaft (12);
B. variety classes is realized or model gear replacing options is: the upper cover first unloading lower coupler (19) and first, second bearing seat (14), (15), then by the first rotating shaft (11) and the second rotating shaft (12) whole taking-up, back out for the screw of persistent fault simulation gear (20) with first, second rotating shaft (11), (12), fault simulation gear (20) in rotating shaft can be unloaded, thus the fault simulation gear (20) of another kind of integral replacing or the similar fault verification of another model;
C. realizing fault simulation gear mutual method changed between parallel engagement system and Vertical Meshing mode is: withdrawn from from the socket (42) and guide (43) at current place by latch (41), and by rotating disk (40) half-twist, another group guide (43) is alignd with plug (42), again inserts latch (41).
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| CN201410591289.9A CN104330254B (en) | 2014-10-29 | 2014-10-29 | A kind of laboratory table of simulation gear combination fault and analogy method |
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| CN201410591289.9A CN104330254B (en) | 2014-10-29 | 2014-10-29 | A kind of laboratory table of simulation gear combination fault and analogy method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104748965A (en) * | 2015-04-09 | 2015-07-01 | 华北电力大学（保定） | Fault simulation test-bed and method for rolling bearing combinations |
| CN104977153A (en) * | 2015-06-04 | 2015-10-14 | 青海中利光纤技术有限公司 | Optical fiber macro bending device |
| CN105118374A (en) * | 2015-09-18 | 2015-12-02 | 清华大学 | Gear eccentric simulation experiment device |
| CN105910817A (en) * | 2016-06-08 | 2016-08-31 | 重庆大学 | Variable tooth thickness gear test bench |
| CN110057589A (en) * | 2019-05-20 | 2019-07-26 | 河北农业大学 | Prawn classification equipment fault simulation and detection experiment table |
| CN110595766A (en) * | 2019-08-30 | 2019-12-20 | 天津工业大学 | Gear drive system axis misalignment fault simulation experiment table |
| CN110595767A (en) * | 2019-08-30 | 2019-12-20 | 天津工业大学 | Gear drive system fault simulation experiment table capable of rapidly replacing parts |
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| CN104748965A (en) * | 2015-04-09 | 2015-07-01 | 华北电力大学（保定） | Fault simulation test-bed and method for rolling bearing combinations |
| CN104977153A (en) * | 2015-06-04 | 2015-10-14 | 青海中利光纤技术有限公司 | Optical fiber macro bending device |
| CN105118374A (en) * | 2015-09-18 | 2015-12-02 | 清华大学 | Gear eccentric simulation experiment device |
| CN105910817A (en) * | 2016-06-08 | 2016-08-31 | 重庆大学 | Variable tooth thickness gear test bench |
| CN105910817B (en) * | 2016-06-08 | 2019-07-02 | 重庆大学 | Variable tooth thickness gear testing stand |
| CN110057589A (en) * | 2019-05-20 | 2019-07-26 | 河北农业大学 | Prawn classification equipment fault simulation and detection experiment table |
| CN110057589B (en) * | 2019-05-20 | 2024-02-02 | 河北农业大学 | Failure simulation and detection experiment table for prawn grading equipment |
| CN110595766A (en) * | 2019-08-30 | 2019-12-20 | 天津工业大学 | Gear drive system axis misalignment fault simulation experiment table |
| CN110595767A (en) * | 2019-08-30 | 2019-12-20 | 天津工业大学 | Gear drive system fault simulation experiment table capable of rapidly replacing parts |
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