CN205091121U - Gear drive fault diagnostic - Google Patents
Gear drive fault diagnostic Download PDFInfo
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- CN205091121U CN205091121U CN201520741443.6U CN201520741443U CN205091121U CN 205091121 U CN205091121 U CN 205091121U CN 201520741443 U CN201520741443 U CN 201520741443U CN 205091121 U CN205091121 U CN 205091121U
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- gear
- planetary gear
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Abstract
The utility model discloses a gear drive fault diagnostic, gear drive fault diagnostic includes the base, driving motor, dynamic torque sensor, the encoder, two -stage planetary gear case, the parallel planetary gear case that adds, magnetic powder brake, drive gear, parallel gear, vibration sensor subassembly and control system, the special structural design of gear box in the system, the quick replacement gear spare part of being convenient for, a plurality of mutually coaxial parallel installations, can obtain the integrated signal that single fault -signal and different trouble coexisted, the regulation of outside parallel gear quantity, can obtain different trouble gears and the same trouble gear the area carry with the light condition under the vibration signal, come starting of accommodate motor through procedure automatic control and manual control, park and functioning speed, and carry out closed loop feedback control. This system integration design can effectively be satisfied to the hardware equipment demand among the gear drive failure diagnosis research analytical work.
Description
Technical field
The utility model relates to a kind of fault diagnosis system, refers to a kind of gear drive fault diagnosis system especially.
Background technology
Gear drive is a kind of type of belt drive most widely used in mechanical drive, because it bears various alternate load, the effect of impact and friction force or the defect that itself stays in the fabrication process in the course of the work for a long time, therefore easily break down and even damage, and for the gear train assembly broken down, light meeting produces noise, acceleration equipment weares and teares, reduce equipment life, the direct damage equipment of serious meeting, impact is produced, and brings economic loss, particularly to some special important application scenarios, once equipment breaks down, its loss is inestimable.Therefore, in order to reduce the economic loss caused by these uncertain gear mechanism faults as far as possible, we need just can make diagnosis at the fault initial stage, for arranging to overhaul the foundation providing science as early as possible.To Gearbox vibration signal analysis be exactly a kind of compare science be suitable for method.
For Fault Diagnosis of Gear Case, its most basic task is exactly by analyzing the observation signal of gear case, process, to identify the state of gear case, alternatively Fault Diagnosis of Gear Case is exactly the state recognition of gear case to a certain extent, and the identification of gearbox fault is needed based on certain theoretical foundation, therefore the research and analysis of correlation theory is the prerequisite of Fault Identification; In research process, if using the gear case in practical application as research object, its fault occurred may be the comprehensive of single or several fault, but the kind of gear distress is very many, substantially can not occur in the gear case in a practical application simultaneously, and the failure mode that think tank will design should be many as much as possible, therefore a kind of experimental system that simultaneously can comprise multiple gear distress just seems particularly important for research.
Utility model content
In order to solve the requirement occurred multiple faults in the research of gear drive fault diagnosis simultaneously, the utility model proposes a kind of gear drive fault diagnosis system, to meet the demand of gear distress research.
For solving the problems of the technologies described above, the utility model provides a kind of gear drive fault diagnosis system, it is characterized in that: comprise base (1), drive motor (2), dynamic torque sensor (3), scrambler (4), two-stage planetary gear (5), parallel step planetary gear case (6), magnetic powder brake (7), driven wheel (8), parallel gears (9), vibration transducer assembly (10) and control system (11), described drive motor (2) is connected with dynamic torque sensor (3) one end, described two-stage planetary gear (5) first order sun wheel shaft (501) is connected with dynamic torque sensor (3) other end, described scrambler (4) is sleeved in two-stage planetary gear (5) first order sun wheel shaft (501), described parallel step planetary gear case (6) planet carrier (607) is connected with two-stage planetary gear (5) second level planet carrier (509), drive motor (2), dynamic torque sensor (3), two-stage planetary gear (5), parallel step planetary gear case (6), magnetic powder brake (7) and control system (11) are all arranged on base (1).
Further, described two-stage planetary gear (5) comprises first order sun wheel shaft (501), input end cap (502), first order planet carrier (503), first order planetary gear (504), first order gear ring (505), planet casing (506), second level gear ring (507), second level planetary gear (508), second level planet carrier (509), export end cap (510), described first order planetary gear (504) is installed on first order planet carrier (503), and it is inner to be arranged on planet casing (506) together, described first order gear ring (505) is installed in input end cap (502), described input end cap (502) is arranged on planet casing (506), it is inner that described first order sun wheel shaft (501) is arranged on first order planet carrier (503) through input end cap (502), and be meshed with first order planetary gear (504), described second level gear ring (507) is installed on and exports on end cap (510), described output end cap (510) is arranged on planet casing (506), described second level planetary gear (508) is installed on second level planet carrier (509), and it is inner to be arranged on planet casing (506) together.
Further, described parallel step planetary gear case (6) comprises the large end cap of output (601), output gear shaft (602), neutral gear (603), first order gear wheel (604), casing (605), input gear ring (606), line of input carrier (607), line of input star-wheel (608), input large end cap (609), intermediate gear shaft (610), five that described output gear shaft (602) is always total identical, be each passed through five mounting holes exported on large end cap (601), the neutral gear (603) identical with three is meshed, neutral gear (603) is arranged on intermediate gear shaft (610), described first order gear wheel (604) is meshed with three neutral gears (603), described input gear ring (606) is installed in the large end cap of input (609), and be arranged on together on casing (605).
Further, described vibration transducer assembly (10) involving vibrations sensor installation seat (1001) and three vibration transducers (1002), described vibration transducer mount pad (1001) is installed on two-stage planetary gear (5) with on the end cap of the upper diverse location of parallel step planetary gear case (6), and vibration transducer (1002) is installed in the hole of three different directions of vibration transducer mount pad (1001).
Further, described parallel gears (9) always has five, be arranged on five output gear shaft ends of parallel step planetary gear case (6) respectively, described driven wheel (8) is arranged on magnetic powder brake (7) input shaft, and occupy middle with five parallel gearss (9), be meshed with five parallel gearss (9) simultaneously.
Further, described control system (11) comprises frequency converter and PLC, automatically controls the rotating speed of motor.
Compared with existing gear case or diagnostic system, the utility model has following beneficial effect:
(1) special structural design, is convenient to quick-replaceable gear parts, meets in research work the frequent demand changing parts.
(2) in parallel step planetary gear case, multiple same axis is parallel installs, and can change the gear of one to five different faults, thus can obtain single fault-signal and the simultaneous integrated signal of different faults according to actual conditions.
(3) by changing the parallel gears quantity on the outside output shaft of parallel step planetary gear casing, different faults gear and same fault gear can be obtained and carry and vibration signal under light condition at band.
(4) by the starting of PLC Internal Control Procedure automatic control motor, parking and travelling speed, also manually can regulate the speed of motor, and carry out close-loop feedback control.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
The axonometric drawing one of the gear drive fault diagnosis system that Fig. 1 provides for the utility model example;
The axonometric drawing two of the gear drive fault diagnosis system that Fig. 2 provides for the utility model example;
The two-stage planetary gear inner body explosive view of the gear drive fault diagnosis system that Fig. 3 provides for the utility model example;
The parallel step planetary gear case inner body explosive view of the gear drive fault diagnosis system that Fig. 4 provides for the utility model example;
The vibration transducer assembly axonometric drawing of the gear drive fault diagnosis system that Fig. 5 provides for the utility model example;
In Fig. 1 to Fig. 5,
1: base, 2: drive motor; 3: dynamic torque sensor; 4: scrambler; 5: two-stage planetary gear; 501: first order sun wheel shaft; 502: input end cap; 503: first order planet carrier; 504: first order planetary gear; 505: first order gear ring; 506: planet casing; 507: second level gear ring; 508: second level planetary gear; 509: second level planet carrier; 510: export end cap; 6: parallel step planetary gear case; 601: export large end cap; 602: output gear shaft; 603: neutral gear; 604: first order gear wheel; 605: casing; 606: input gear ring; 607: line of input carrier; 608: line of input star-wheel; 609: input large end cap; 610: intermediate gear shaft; 7: magnetic powder brake; 8: driven wheel; 9: parallel gears; 10: vibration transducer assembly; 1001: vibration transducer mount pad; 1002: vibration transducer; 11: control system
Embodiment
In order to enable the auditor of Patent Office especially the public clearly understand technical spirit of the present utility model and beneficial effect, applicant will elaborate below by way of example, but be not all the restriction to the utility model scheme to the description of embodiment, any make according to the utility model design be only pro forma but not substantial equivalent transformation and all should be considered as the technical solution of the utility model category.
Core concept of the present utility model is, provides a kind of gear drive fault diagnosis system, please refer to Fig. 1 to Fig. 5.
The utility model provides a kind of gear drive fault diagnosis system, comprises base (1), drive motor (2), dynamic torque sensor (3), scrambler (4), two-stage planetary gear (5), parallel step planetary gear case (6), magnetic powder brake (7), driven wheel (8), parallel gears (9), vibration transducer assembly (10) and control system (11), described drive motor (2) is connected with dynamic torque sensor (3) one end, described two-stage planetary gear (5) first order sun wheel shaft (501) is connected with the other end of dynamic torque sensor (3), described scrambler (4) is sleeved in two-stage planetary gear (5) first order sun wheel shaft (501), described parallel step planetary gear case (6) planet carrier (607) is connected with two-stage planetary gear (5) second level planet carrier (509), drive motor (2), dynamic torque sensor (3), two-stage planetary gear (5), parallel step planetary gear case (6), magnetic powder brake (7) and control system (11) are all arranged on base (1).
Further, described two-stage planetary gear (5) comprises first order sun wheel shaft (501), input end cap (502), first order planet carrier (503), first order planetary gear (504), first order gear ring (505), planet casing (506), second level gear ring (507), second level planetary gear (508), second level planet carrier (509), export end cap (510), described first order planetary gear (504) is installed on first order planet carrier (503), and it is inner to be arranged on planet casing (506) together, described first order gear ring (505) is installed in input end cap (502), described input end cap (502) is arranged on planet casing (506), it is inner that described first order sun wheel shaft (501) is arranged on first order planet carrier (503) through input end cap (502), and be meshed with first order planetary gear (504), described second level gear ring (507) is installed on and exports on end cap (510), described output end cap (510) is arranged on planet casing (506), described second level planetary gear (508) is installed on second level planet carrier (509), and it is inner to be arranged on planet casing (506) together, it is very easy that this structural design makes the part in casing mount and dismount, only input end cap (502) need be dismantled with identical fixing coupling bolt with output end cap (510), all inner bodies can be extracted out from both sides, meet the frequent demand changing parts in the Study on Fault process.
Further, described parallel step planetary gear case (6) comprises the large end cap of output (601), output gear shaft (602), neutral gear (603), first order gear wheel (604), casing (605), input gear ring (606), line of input carrier (607), line of input star-wheel (608), input large end cap (609), intermediate gear shaft (610), five that described output gear shaft (602) is always total identical, be each passed through five mounting holes exported on large end cap (601), the neutral gear (603) identical with three is meshed, neutral gear (603) is arranged on intermediate gear shaft (610), described first order gear wheel (604) is meshed with three neutral gears (603), described input gear ring (606) is installed in the large end cap of input (609), and be arranged on casing (605) together, be similar to the end dismounting mode of two-stage planetary gear (5), make more changing jobs of inner body become simple.
Further, described vibration transducer assembly (10) involving vibrations sensor installation seat (1001) and three vibration transducers (1002), described vibration transducer mount pad (1001) is installed on two-stage planetary gear (5) with on the end cap of the upper diverse location of parallel step planetary gear case (6), vibration transducer (1002) is installed in the hole of three different directions of vibration transducer mount pad (1001), X, Y, the Z-direction in corresponding three-dimensional space respectively, thus the vibration signal of gear case in three directions can be measured.
Further, described parallel gears (9) always has five, be arranged on five output gear shaft ends of parallel step planetary gear case (6) respectively, described driven wheel (8) is arranged on magnetic powder brake (7) input shaft, and occupy middle with five parallel gearss (9), be meshed with five parallel gearss (9), thus the braking moment can passing through magnetic powder brake (7) loads to five parallel gearss (9) simultaneously simultaneously.
Further, described control system (11) comprises frequency converter and PLC, by the programmed control of frequency converter and PLC, and the speed that electric motor starting can be regulated to stop and the change of machine operation rotating speed, thus simulation actual condition.
When practical operation, according to the actual demand of research, the gear of different faults can be replaced with, measures vibration signal by the actual motion of fault gear, to carry out signal analysis and processing.Simulate the band of gear train assembly under different loads situation by regulating the size of magnetic powder brake braking torque and carry vibration signal.For parallel step planetary gear, the gear of one to five tape jam can be replaced with, thus acquisition different faults participates in synthesis oscillation signal when running simultaneously; By regulating the installation quantity of parallel gears, changing band and carrying or the quantity of no-load running output shaft, thus obtain fault gear and carry and compound vibration signal under light condition at band.Dynamic torque sensor in system and scrambler accurately can measure rotating speed and the input torque value of operation, and send the data to control system in real time, form closed-loop control.By the starting of PLC Internal Control Procedure automatic control motor, parking and travelling speed, also manually can regulate the speed of motor, thus simulate the operation conditions of gear case in real work.
Claims (6)
1. a gear drive fault diagnosis system, is characterized in that: comprise base (1), drive motor (2), dynamic torque sensor (3), scrambler (4), two-stage planetary gear (5), parallel step planetary gear case (6), magnetic powder brake (7), driven wheel (8), parallel gears (9), vibration transducer assembly (10) and control system (11), described drive motor (2) is connected with dynamic torque sensor (3) one end, described two-stage planetary gear (5) first order sun wheel shaft (501) is connected with dynamic torque sensor (3) other end, described scrambler (4) is sleeved in two-stage planetary gear (5) first order sun wheel shaft (501), described parallel step planetary gear case (6) planet carrier (607) is connected with two-stage planetary gear (5) second level planet carrier (509), drive motor (2), dynamic torque sensor (3), two-stage planetary gear (5), parallel step planetary gear case (6), magnetic powder brake (7) and control system (11) are all arranged on base (1).
2. a kind of gear drive fault diagnosis system according to claim 1, it is characterized in that: described two-stage planetary gear (5) comprises first order sun wheel shaft (501), input end cap (502), first order planet carrier (503), first order planetary gear (504), first order gear ring (505), planet casing (506), second level gear ring (507), second level planetary gear (508), second level planet carrier (509), export end cap (510), described first order planetary gear (504) is installed on first order planet carrier (503), and it is inner to be arranged on planet casing (506) together, described first order gear ring (505) is installed in input end cap (502), described input end cap (502) is arranged on planet casing (506), it is inner that described first order sun wheel shaft (501) is arranged on first order planet carrier (503) through input end cap (502), and be meshed with first order planetary gear (504), described second level gear ring (507) is installed on and exports on end cap (510), described output end cap (510) is arranged on planet casing (506), described second level planetary gear (508) is installed on second level planet carrier (509), and it is inner to be arranged on planet casing (506) together.
3. a kind of gear drive fault diagnosis system according to claim 1, it is characterized in that: described parallel step planetary gear case (6) comprises the large end cap of output (601), output gear shaft (602), neutral gear (603), first order gear wheel (604), casing (605), input gear ring (606), line of input carrier (607), line of input star-wheel (608), input large end cap (609), intermediate gear shaft (610), five that described output gear shaft (602) is always total identical, be each passed through five mounting holes exported on large end cap (601), the neutral gear (603) identical with three is meshed, neutral gear (603) is arranged on intermediate gear shaft (610), described first order gear wheel (604) is meshed with three neutral gears (603), described input gear ring (606) is installed in the large end cap of input (609), and be arranged on together on casing (605).
4. a kind of gear drive fault diagnosis system according to claim 1, it is characterized in that: described vibration transducer assembly (10) involving vibrations sensor installation seat (1001) and three vibration transducers (1002), described vibration transducer mount pad (1001) is installed on two-stage planetary gear (5) with on the end cap of the upper diverse location of parallel step planetary gear case (6), and vibration transducer (1002) is installed in the hole of three different directions of vibration transducer mount pad (1001).
5. a kind of gear drive fault diagnosis system according to claim 1, it is characterized in that: described parallel gears (9) always has five, be arranged on five output gear shaft ends of parallel step planetary gear case (6) respectively, described driven wheel (8) is arranged on magnetic powder brake (7) input shaft, and occupy middle with five parallel gearss (9), be meshed with five parallel gearss (9) simultaneously.
6. a kind of gear drive fault diagnosis system according to claim 1, is characterized in that: described control system (11) comprises frequency converter and PLC, automatically controls the rotating speed of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520741443.6U CN205091121U (en) | 2015-09-23 | 2015-09-23 | Gear drive fault diagnostic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520741443.6U CN205091121U (en) | 2015-09-23 | 2015-09-23 | Gear drive fault diagnostic |
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| Publication Number | Publication Date |
|---|---|
| CN205091121U true CN205091121U (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520741443.6U Expired - Fee Related CN205091121U (en) | 2015-09-23 | 2015-09-23 | Gear drive fault diagnostic |
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| Country | Link |
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| CN (1) | CN205091121U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321796A (en) * | 2016-11-09 | 2017-01-11 | 南京创力传动机械有限公司 | Gearbox |
| CN108519224A (en) * | 2018-03-16 | 2018-09-11 | 华南理工大学 | A method of verification two-stage fixed axis gear transmission system vibration coupling feature |
-
2015
- 2015-09-23 CN CN201520741443.6U patent/CN205091121U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321796A (en) * | 2016-11-09 | 2017-01-11 | 南京创力传动机械有限公司 | Gearbox |
| CN108519224A (en) * | 2018-03-16 | 2018-09-11 | 华南理工大学 | A method of verification two-stage fixed axis gear transmission system vibration coupling feature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Wang Yonghai Document name: payment instructions |
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| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20200923 |
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| CF01 | Termination of patent right due to non-payment of annual fee |