CN205404113U - Gear fault diagnostic test platform - Google Patents
Gear fault diagnostic test platform Download PDFInfo
- Publication number
- CN205404113U CN205404113U CN201620150645.8U CN201620150645U CN205404113U CN 205404113 U CN205404113 U CN 205404113U CN 201620150645 U CN201620150645 U CN 201620150645U CN 205404113 U CN205404113 U CN 205404113U
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- China
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- gear
- box
- planet carrier
- encoder
- magnetic powder
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Abstract
The utility model discloses a gear fault diagnostic test platform, gear fault diagnostic test platform includes the base, driving motor, dynamic torque sensor, the encoder, the gear box, magnetic powder brake and control system, the parallel gear drive of two -stage adds one -level planet gear drive's design, can satisfy among the gear failure diagnosis demand to different grade type gear drive mode, can simulate the vibration signal of gear drive system under the different load situations through the size of adjusting the magnetic powder brake braking torque, rotational speed and input torque value that the operation can be measured accurately to dynamic torque sensor in the system and encoder, and give control system with data transmission in real time, forming closed -loop control, through starting of PLC internal control procedure automatic control motor, park and functioning speed, also can be through manual speed of coming accommodate motor, thereby simulate out the operation conditions of gear box in the real work.
Description
Technical field
This utility model relates to a kind of fault diagnosis system, particularly relates to a kind of Gear Fault Diagnosis testing stand.
Background technology
Gear drive is a kind of type of belt drive most widely used in machine driving, the effect bearing various alternate load, impact and frictional force due to it in the course of the work for a long time or the defect itself stayed in the fabrication process, therefore easily break down and even damage, and the gear train assembly for breaking down, light meeting produces noise, acceleration equipment weares and teares, reduce equipment life, the direct damage equipment of serious meeting, impact produces, 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, it would be desirable to just can make diagnosis at the fault initial stage, for arranging the foundation of maintenance offer science as early as possible.Gearbox vibration signal is analyzed be exactly a kind of compare science be suitable for method.
For Fault Diagnosis of Gear Case, its most basic task is through the observation signal of gear-box being analyzed, processing, to identify the state of gear-box, alternatively Fault Diagnosis of Gear Case is exactly the state recognition of gear-box to a certain extent, and identifying of gearbox fault is needed based on certain theoretical basis, therefore the research and analysis of correlation theory is the premise of Fault Identification；In research process, if using the gear-box in practical application as object of study, its fault occurred is probably the comprehensive of single or several fault, but the kind of gear distress is very many, substantially can not the gear-box in a practical application occur simultaneously, and the failure mode that think tank to design should be many as much as possible, therefore a kind of experimental system that can simultaneously comprise multiple gear distress is just particularly important for research.
Utility model content
In order to solve the requirement in gear drive fault diagnosis research, multiple faults occurred simultaneously, the utility model proposes a kind of Gear Fault Diagnosis testing stand, to meet the demand of gear distress research.
nullFor solving above-mentioned technical problem，This utility model provides a kind of Gear Fault Diagnosis testing stand，It is characterized in that: include base (1)、Drive motor (2)、Dynamic torque sensor (3)、Encoder (4)、Gear-box (5)、Magnetic powder brake (6)、Vibrating sensor assembly (7)、Control system (8)，Described drive motor (2) is connected with dynamic torque sensor (3) one end，Described gear-box (5) power shaft (502) is connected with dynamic torque sensor (3) other end，Described encoder (4) is sleeved on power shaft (502)，Described gear-box (5) planet carrier (509) is connected with magnetic powder brake (6)，Described drive motor (2)、Dynamic torque sensor (3)、Encoder (4)、Gear-box (5)、Magnetic powder brake (6) and control system (8) are all arranged on base (1).
Further, described gear-box (5) includes casing (501), power shaft (502), the little gear in the second level (503), first order gear wheel (504), second level gear wheel wheel (505), gear ring (506), planetary gear (507), sun gear (508), planet carrier (509), described planetary gear (507) is installed on planet carrier (509), described sun gear (508) is meshed through planet carrier end hole with three planetary gears (507), it is outside that described gear ring (506) is enclosed within planet carrier (509), and be meshed with three planetary gears (507), it is internal that all geared parts are installed along with casing (501).
Further, described vibrating sensor assembly (7) includes vibrating sensor mounting seat (701) and three vibrating sensors (702), described vibrating sensor mounting seat (701) is installed on the end cap of gear-box (5) diverse location, and vibrating sensor (702) is installed in the hole of three different directions of vibrating sensor mounting seat (701).
Further, described control system (8) includes converter and PLC, and the rotating speed of motor is automatically controlled.
Compared with existing gear-box or diagnostic system, this utility model has the advantages that
(1) special structural design, it is simple to quick-replaceable gear parts, meets in research work the demand frequently changing parts.
(2) by the loaded condition of magnetic powder brake, it is possible to simulated failure gear is with the vibration signal under load and Light Condition.
(3) by the starting of PLC Internal Control Procedure automatic control motor, parking and the speed of service, it is also possible to manually regulate the speed of motor, and carry out closed loop feedback control.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
The axonometric drawing of the Gear Fault Diagnosis testing stand that Fig. 1 provides for this utility model example；
The gear-box cut-away view of the Gear Fault Diagnosis testing stand that Fig. 2 provides for this utility model example；
The Gear Fault Diagnosis testing stand vibrating sensor assembly axonometric drawing that Fig. 3 provides for this utility model example；
In Fig. 1 to Fig. 3,
1: base, 2: drive motor；3: dynamic torque sensor；4: encoder；5: gear-box；501: casing；502: power shaft；503: the little gear in the second level；504: first order gear wheel；505: second level gear wheel is taken turns；506: gear ring；507: planetary gear；508: sun gear；509: planet carrier；6: magnetic powder brake；7: vibrating sensor assembly；701: vibrating sensor mounting seat；702: vibrating sensor；8: control system
Detailed description of the invention
In order to enable the auditor especially public of Patent Office to be more clearly understood from technical spirit of the present utility model and beneficial effect, applicant will elaborate below by way of example, but the description to embodiment is not all the restriction to this utility model scheme, any foundation this utility model is conceived the made pro forma but not substantial equivalent transformation that is only and is regarded as the technical solution of the utility model category.
Core concept of the present utility model is in that, it is provided that a kind of Gear Fault Diagnosis testing stand, refer to Fig. 1 to Fig. 3.
nullThis utility model provides a kind of Gear Fault Diagnosis testing stand，Including base (1)、Drive motor (2)、Dynamic torque sensor (3)、Encoder (4)、Gear-box (5)、Magnetic powder brake (6)、Vibrating sensor assembly (7)、Control system (8)，Described drive motor (2) is connected with dynamic torque sensor (3) one end，Described gear-box (5) power shaft (502) is connected with dynamic torque sensor (3) other end，Described encoder (4) is sleeved on power shaft (502)，Described gear-box (5) planet carrier (509) is connected with magnetic powder brake (6)，Described drive motor (2)、Dynamic torque sensor (3)、Encoder (4)、Gear-box (5)、Magnetic powder brake (6) and control system (8) are all arranged on base (1).
nullFurther，Described gear-box (5) includes casing (501)、Power shaft (502)、The little gear in the second level (503)、First order gear wheel (504)、Second level gear wheel wheel (505)、Gear ring (506)、Planetary gear (507)、Sun gear (508)、Planet carrier (509)，Described planetary gear (507) is installed on planet carrier (509)，Described sun gear (508) is meshed through planet carrier end hole with three planetary gears (507)，It is outside that described gear ring (506) is enclosed within planet carrier (509)，And be meshed with three planetary gears (507)，It is internal that all geared parts are installed along with casing (501)，The design of this gear-box includes two-stage parallel-gear drive and primary planet pinion transmission，The demand to dissimilar gear transmission mode in Gear Fault Diagnosis can be met，This structural design is readily accessible simultaneously，Have only to open upper box，I.e. replaceable all of inner body，Meet the demand frequently changing parts in the Study on Fault process.
Further, described vibrating sensor assembly (7) includes vibrating sensor mounting seat (701) and three vibrating sensors (702), described vibrating sensor mounting seat (701) is installed on the end cap of gear-box (5) diverse location, vibrating sensor (702) is installed in the hole of three different directions of vibrating sensor mounting seat (701), the X in corresponding three-dimensional space, Y, Z-direction respectively, such that it is able to measure the gear-box vibration signal in three directions.
Further, described control system (8) includes converter and PLC, and the rotating speed of motor is automatically controlled, it is possible to regulate the speed of electric motor starting parking and the change of motor working speed, thus simulating actual condition.
When practical operation, it is possible to the actual demand according to research, replace with the gear of different faults, measure vibration signal by the actual motion of fault gear, to carry out signal analysis and processing.Gear train assembly vibration signal under different loads situation is simulated by regulating the size of magnetic powder brake braking torque；Dynamic torque sensor in system and encoder can precisely measure out 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 the speed of service, it is also possible to manually regulate the speed of motor, thus simulating gear-box operation conditions in real work.
Claims (4)
- null1. a Gear Fault Diagnosis testing stand，It is characterized in that: include base (1)、Drive motor (2)、Dynamic torque sensor (3)、Encoder (4)、Gear-box (5)、Magnetic powder brake (6)、Vibrating sensor assembly (7)、Control system (8)，Described drive motor (2) is connected with dynamic torque sensor (3) one end，Described gear-box (5) power shaft (502) is connected with dynamic torque sensor (3) other end，Described encoder (4) is sleeved on power shaft (502)，Described gear-box (5) planet carrier (509) is connected with magnetic powder brake (6)，Described drive motor (2)、Dynamic torque sensor (3)、Encoder (4)、Gear-box (5)、Magnetic powder brake (6) and control system (8) are all arranged on base (1).
- 2. a kind of Gear Fault Diagnosis testing stand according to claim 1, it is characterized in that: described gear-box (5) includes casing (501), power shaft (502), the little gear in the second level (503), first order gear wheel (504), second level gear wheel wheel (505), gear ring (506), planetary gear (507), sun gear (508), planet carrier (509), described planetary gear (507) is installed on planet carrier (509), described sun gear (508) is meshed through planet carrier end hole with three planetary gears (507), it is outside that described gear ring (506) is enclosed within planet carrier (509), and be meshed with three planetary gears (507), it is internal that all geared parts are installed along with casing (501).
- 3. a kind of Gear Fault Diagnosis testing stand according to claim 1, it is characterized in that: described vibrating sensor assembly (7) includes vibrating sensor mounting seat (701) and three vibrating sensors (702), described vibrating sensor mounting seat (701) is installed on the end cap of gear-box (5) diverse location, and vibrating sensor (702) is installed in the hole of three different directions of vibrating sensor mounting seat (701).
- 4. a kind of Gear Fault Diagnosis testing stand according to claim 1, it is characterised in that: described control system (8) includes converter and PLC, and the rotating speed of motor is automatically controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620150645.8U CN205404113U (en) | 2016-02-29 | 2016-02-29 | Gear fault diagnostic test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620150645.8U CN205404113U (en) | 2016-02-29 | 2016-02-29 | Gear fault diagnostic test platform |
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| Publication Number | Publication Date |
|---|---|
| CN205404113U true CN205404113U (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620150645.8U Expired - Fee Related CN205404113U (en) | 2016-02-29 | 2016-02-29 | Gear fault diagnostic test platform |
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| CN (1) | CN205404113U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036832A (en) * | 2016-12-28 | 2017-08-11 | 中国石油大学(北京) | The status monitoring and fault diagnosis system and its application process of reciprocating equipment |
| CN108020247A (en) * | 2017-12-29 | 2018-05-11 | 中国电子科技集团公司第二十七研究所 | A kind of servo turntable to be tested the speed based on absolute type encoder angle measurement |
| CN110231167A (en) * | 2019-07-09 | 2019-09-13 | 南京农业大学 | A kind of Double gear box fault diagnostic test platform |
| CN111024386A (en) * | 2020-01-13 | 2020-04-17 | 天津工业大学 | Comprehensive test experiment table for dynamic characteristics of gear transmission |
| CN112781541A (en) * | 2020-12-30 | 2021-05-11 | 吉孚动力技术(中国)有限公司 | Dynamic measurement method for gear clearance of gear box |
| CN112781874A (en) * | 2020-12-30 | 2021-05-11 | 广东石油化工学院 | Petrochemical rotating unit gearbox fault diagnosis simulation device |
| CN113340592A (en) * | 2021-06-03 | 2021-09-03 | 河北工业大学 | Involute gear abrasion and dynamics comprehensive experiment table considering external vibration excitation |
-
2016
- 2016-02-29 CN CN201620150645.8U patent/CN205404113U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036832A (en) * | 2016-12-28 | 2017-08-11 | 中国石油大学(北京) | The status monitoring and fault diagnosis system and its application process of reciprocating equipment |
| CN107036832B (en) * | 2016-12-28 | 2023-11-24 | 中国石油大学(北京) | State monitoring and fault diagnosis system of reciprocating equipment and application method thereof |
| CN108020247A (en) * | 2017-12-29 | 2018-05-11 | 中国电子科技集团公司第二十七研究所 | A kind of servo turntable to be tested the speed based on absolute type encoder angle measurement |
| CN110231167A (en) * | 2019-07-09 | 2019-09-13 | 南京农业大学 | A kind of Double gear box fault diagnostic test platform |
| CN111024386A (en) * | 2020-01-13 | 2020-04-17 | 天津工业大学 | Comprehensive test experiment table for dynamic characteristics of gear transmission |
| CN112781541A (en) * | 2020-12-30 | 2021-05-11 | 吉孚动力技术(中国)有限公司 | Dynamic measurement method for gear clearance of gear box |
| CN112781874A (en) * | 2020-12-30 | 2021-05-11 | 广东石油化工学院 | Petrochemical rotating unit gearbox fault diagnosis simulation device |
| CN112781541B (en) * | 2020-12-30 | 2023-03-14 | 吉孚动力技术(中国)有限公司 | Dynamic measurement method for gear clearance of gear box |
| CN113340592A (en) * | 2021-06-03 | 2021-09-03 | 河北工业大学 | Involute gear abrasion and dynamics comprehensive experiment table considering external vibration excitation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20170229 |