CN204101226U - A kind of contact net lines rope tensility monitoring device for falling mound compensation way - Google Patents
A kind of contact net lines rope tensility monitoring device for falling mound compensation way Download PDFInfo
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- CN204101226U CN204101226U CN201420633599.8U CN201420633599U CN204101226U CN 204101226 U CN204101226 U CN 204101226U CN 201420633599 U CN201420633599 U CN 201420633599U CN 204101226 U CN204101226 U CN 204101226U
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- contact net
- falling mound
- acceleration transducer
- monitoring device
- microprocessor
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Abstract
The utility model belongs to contact net security technology area, is specifically related to a kind of contact net lines rope tensility monitoring device for falling mound compensation way in electric railway.This device is made up of detecting portion and aftertreatment part, and detecting portion is acceleration transducer, is installed in contact net falling mound, and acceleration transducer should change direction perpendicular to the upper surface of falling mound; Aftertreatment part is made up of microprocessor, display unit, and microprocessor is connected with display unit, acceleration transducer respectively.This device can the compensation contact net of Real-Time Monitoring falling mound thread tension force change, indirectly obtain contact net lines rope tensility, reduce measuring equipment to greatest extent to the security implication of contact net, do not affect the safe operation of railway, for the safe operation of contact net provides safeguard; This device can tension compensator existing in contact net install additional, and quantities is little, and has good versatility; Structure is simple, easy to operate.
Description
Technical field
The utility model belongs to contact net security technology area, is specifically related to a kind of contact net lines rope tensility monitoring device for falling mound compensation way in electric railway.
Background technology
Contact net clue is erected at railway overhead, for electric train provides electric energy.Its line length point is many, and work in severe physical environment, space geometry structure is easily unstable, and this directly affects the current carrying quality of electric train and the security of Pantograph-OCS system.Contact net lines rope tensility is the important parameter controlling contact net space geometry structure, railway maintainer adopts " three-point bending method " to measure thread tension force F usually, as shown in Figure 1: by the change gear card A of tensile measurer bracing frame in the clue of tested tension force, by the power wheel B (manual, electronic, hydraulic pressure) of bracing frame, one pressure T is applied to clue, make clue in bracing frame, produce a small amount of deflection, because the cord clip angle a of rope both sides is fixing, therefore according to F=T/2 (cos (a/2)), known T can draw the tension force F of clue.But the problem tensile measurer of the method must with osculatory clue keeping parallelism, therefore maintainer must could measure tension force exactly by overhead, very inconvenient.The change gear of tensile measurer has abrasion along with use, also can produce error.This kind of method needs contact net power-off for thread tension force measurement in addition, affects transportation by railroad, and static measurement has time-bounded, also cannot make real-time judge and forecast to contact net clue broken string.
Current transportation by railroad is day by day busy, and contact net security is also more and more important, and studying a kind ofly can not affect the contact net lines rope tensility Real-Time Monitoring of railway operation and broken thread detector is especially aobvious important.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, provide a kind of equipment light small and exquisite, operation is simple, the contact net lines rope tensility monitoring device for falling mound compensation way of accuracy of judgement.
To achieve these goals, the technical solution adopted in the utility model is:
This device is made up of detecting portion and aftertreatment part, and detecting portion is acceleration transducer, is installed in contact net falling mound, and acceleration transducer should change direction perpendicular to the upper surface of falling mound; Aftertreatment part is made up of microprocessor, display unit, and microprocessor is connected with display unit, acceleration transducer respectively.
Described acceleration transducer is vibration piezoelectric type tension force acceleration transducer.
Described acceleration transducer is connected by A/D interface with between microprocessor.
Described aftertreatment part also comprises the storage unit, communication unit, the safe early warning unit that are connected with microprocessor respectively.
Described acceleration transducer is arranged on stainless steel fixed head by screw, and stainless steel fixed head is fixed in falling mound.
The upper surface of described falling mound arranges groove, and acceleration transducer is arranged in the groove of falling mound upper surface by stainless steel fixed head.
The beneficial effects of the utility model are:
(1) survey sensor belongs to precision piezoelectric sensor, and being not easy affects by extraneous factors such as weather, can improve contact net lines rope tensility measuring accuracy;
(2) can the tension variation of Real-Time Monitoring clue, measurement mechanism need not change contact net structure, indirectly obtains contact net lines rope tensility, reduces measuring equipment to greatest extent to the security implication of contact net, does not affect the safe operation of railway;
(3) this device can tension compensator existing in contact net install additional, and quantities is little, and has good versatility;
(4) structure is simple, easy to operate.
Accompanying drawing explanation
Fig. 1 is " three-point bending method " tensile measurer operating diagram.
Fig. 2 is the compensation contact net organizational cues of falling mound and the stressed schematic diagram of falling mound.
Fig. 3-1 is the installation site schematic diagram of acceleration transducer in falling mound.
Fig. 3-2 is the diagrammatic cross-section of acceleration transducer installation site.
Fig. 4 is integral installation schematic diagram of the present utility model.
Fig. 5 is apparatus module schematic diagram of the present utility model.
Number in the figure:
A-change gear card, B-power wheel, 1-falling mound, 2-pillar, 3-falling mound compensates rope, and 4-clue compensates rope, and 5-ratchet, 6-acceleration transducer, 7-stainless steel fixed head, 8-microprocessor, 9-protects cabinet.
Embodiment
The utility model provides a kind of contact net lines rope tensility monitoring device for falling mound compensation way, is described further the utility model below in conjunction with the drawings and specific embodiments.
Tension compensating mode is the contact net that falling mound compensates, and its falling mound is connected by compensating to restrict with clue end, and during thread tension force change, falling mound can produce the vibration of vertical direction, and the vibration acceleration measuring falling mound can obtain the tension force of clue indirectly.In addition, when contact net normally runs, thread tension force fluctuation general when static tension force ± 5% between, and in long-time running between each clue Tension Distribution change be also the process of a gradual change.When thread tension force fluctuation is more than 5%, can potential safety hazard be there is, should deal with in time.By measuring and monitor the change of thread tension force, the object to clue safety detection can be reached.
The force analysis of the contact net of falling mound compensation way as shown in Figure 2.In Fig. 2, m is the quality of falling mound 1, g is acceleration of gravity, and a is falling mound vibration acceleration, and thread tension force computing method are represented by formula (1) and (2):
F
falling mound=(mg-ma) (2)
In formula: F
cluefor thread tension force, F
falling moundfalling mound pulling force, R
2for falling mound compensates the radius of rope 3 place rotor wheel, R
1for clue compensates the radius of rope 4 place rotor wheel.
In order to obtain falling mound vibration acceleration a, devise device described in the utility model.
This device is made up of detecting portion and aftertreatment part.As shown in Figure 4, detecting portion is acceleration transducer 6, is installed in the falling mound 1 of contact net, and acceleration transducer 6 should change direction perpendicular to the upper surface of falling mound 1; Aftertreatment part is made up of microprocessor 8, display unit, storage unit, communication unit, safe early warning unit, and as shown in Figure 5, microprocessor 8 is connected with display unit, storage unit, communication unit, safe early warning unit, acceleration transducer 6 respectively.Aftertreatment part is installed in protection cabinet 9, and protection cabinet 9 is fixed on the pillar 2 of the falling mound collocation structure of contact net.
Acceleration transducer 6 is vibration piezoelectric type tension force acceleration transducer, is connected between acceleration transducer 6 with microprocessor 8 by A/D interface.
Concrete mounting means between acceleration transducer 6 and falling mound 1 is as Fig. 3-1 and Fig. 3-2, the upper surface of falling mound 1 arranges groove, acceleration transducer 6 is with the screw of M5 model, be vertically mounted on stainless steel fixed head 7 by screw, with the screw of 4 M5 models on stainless steel fixed head 7, inside the slot being screwed in falling mound 1.
Acceleration transducer 6 is arranged in the groove of falling mound 1 upper surface by stainless steel fixed head 7.
Microprocessor 8 is responsible for reading and is calculated the measurement data of acceleration transducer 6; Communication unit is used for carrying out exchanges data with other communication facilitiess; Display unit is used for thread tension force measurement result to show; , during for thread tension force change more than 5%, there is potential safety hazard to host computer early warning clue in safe early warning unit.
The vibration signal of falling mound 1 is transferred to microprocessor 8 by its signal wire by acceleration transducer 6, and microprocessor gathers the numerical value of primary acceleration sensor 6 every 0.02S.Due to by the known thread tension force F of Fig. 2
cluethere is funtcional relationship with falling mound vibration acceleration a, calculate the tension force of clue, namely indirectly drawing thread tension force F by measuring falling mound vibration acceleration a
clue.Data can store in storage unit in addition, also can be shown by display translation unit, also can carry out exchanges data by communication unit and other equipment.In addition, when surveying warp tension ratio before measurement tension force after same clue and reducing to be more than or equal to 5%, there is potential safety hazard to host computer early warning clue in safe early warning unit.
Claims (6)
1. the contact net lines rope tensility monitoring device for falling mound compensation way, be made up of detecting portion and aftertreatment part, it is characterized in that, detecting portion is acceleration transducer, be installed in contact net falling mound, and acceleration transducer should change direction perpendicular to the upper surface of falling mound; Aftertreatment part is made up of microprocessor, display unit, and microprocessor is connected with display unit, acceleration transducer respectively.
2. a kind of contact net lines rope tensility monitoring device for falling mound compensation way according to claim 1, is characterized in that, described acceleration transducer is vibration piezoelectric type tension force acceleration transducer.
3. a kind of contact net lines rope tensility monitoring device for falling mound compensation way according to claim 1, it is characterized in that, described acceleration transducer is connected by A/D interface with between microprocessor.
4. a kind of contact net lines rope tensility monitoring device for falling mound compensation way according to claim 1, it is characterized in that, described aftertreatment part also comprises the storage unit, communication unit, the safe early warning unit that are connected with microprocessor respectively.
5. a kind of contact net lines rope tensility monitoring device for falling mound compensation way according to claim 1, it is characterized in that, described acceleration transducer is arranged on stainless steel fixed head by screw, and stainless steel fixed head is fixed in falling mound.
6. a kind of contact net lines rope tensility monitoring device for falling mound compensation way according to claim 5, it is characterized in that, the upper surface of described falling mound arranges groove, and acceleration transducer is arranged in the groove of falling mound upper surface by stainless steel fixed head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420633599.8U CN204101226U (en) | 2014-10-29 | 2014-10-29 | A kind of contact net lines rope tensility monitoring device for falling mound compensation way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420633599.8U CN204101226U (en) | 2014-10-29 | 2014-10-29 | A kind of contact net lines rope tensility monitoring device for falling mound compensation way |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204101226U true CN204101226U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420633599.8U Expired - Fee Related CN204101226U (en) | 2014-10-29 | 2014-10-29 | A kind of contact net lines rope tensility monitoring device for falling mound compensation way |
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| CN (1) | CN204101226U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421583A (en) * | 2017-07-23 | 2017-12-01 | 浙江维思无线网络技术有限公司 | A kind of contact line compensation device motion detection method and device |
| CN107727022A (en) * | 2017-07-23 | 2018-02-23 | 浙江维思无线网络技术有限公司 | A kind of contact net condition detection method and device |
| CN110196032A (en) * | 2019-07-11 | 2019-09-03 | 南京普泰德电气科技有限公司 | A kind of railway contact line ratchet compensating device a (b) value measurement method and system |
| CN110207632A (en) * | 2019-07-11 | 2019-09-06 | 南京普泰德电气科技有限公司 | A kind of railway contact line spring compensator a value measurement method and sensor-based system |
| CN110501106A (en) * | 2019-07-30 | 2019-11-26 | 四川科瑞纳信息技术有限公司 | A kind of high iron catenary falling mound detection device |
| CN110986791A (en) * | 2019-12-16 | 2020-04-10 | 山西世纪同兴科技股份有限公司 | Online measurement system and measurement method for AB value of electrified railway contact net compensation device |
| CN111220310A (en) * | 2020-03-06 | 2020-06-02 | 西南交通大学 | Operation monitoring and abnormity alarming system and method for contact net compensation device |
| CN114674406A (en) * | 2022-03-21 | 2022-06-28 | 中铁电气化局集团有限公司 | Intelligent balance weight device for compensating balance weight of electrified railway |
-
2014
- 2014-10-29 CN CN201420633599.8U patent/CN204101226U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421583A (en) * | 2017-07-23 | 2017-12-01 | 浙江维思无线网络技术有限公司 | A kind of contact line compensation device motion detection method and device |
| CN107727022A (en) * | 2017-07-23 | 2018-02-23 | 浙江维思无线网络技术有限公司 | A kind of contact net condition detection method and device |
| CN110196032A (en) * | 2019-07-11 | 2019-09-03 | 南京普泰德电气科技有限公司 | A kind of railway contact line ratchet compensating device a (b) value measurement method and system |
| CN110207632A (en) * | 2019-07-11 | 2019-09-06 | 南京普泰德电气科技有限公司 | A kind of railway contact line spring compensator a value measurement method and sensor-based system |
| CN110207632B (en) * | 2019-07-11 | 2020-12-25 | 南京普泰德电气科技有限公司 | Method for measuring a value of railway contact net spring compensation device and sensing system |
| CN110501106A (en) * | 2019-07-30 | 2019-11-26 | 四川科瑞纳信息技术有限公司 | A kind of high iron catenary falling mound detection device |
| CN110986791A (en) * | 2019-12-16 | 2020-04-10 | 山西世纪同兴科技股份有限公司 | Online measurement system and measurement method for AB value of electrified railway contact net compensation device |
| CN111220310A (en) * | 2020-03-06 | 2020-06-02 | 西南交通大学 | Operation monitoring and abnormity alarming system and method for contact net compensation device |
| CN111220310B (en) * | 2020-03-06 | 2024-06-25 | 西南交通大学 | Operation monitoring and abnormality alarming system and method for contact net compensation device |
| CN114674406A (en) * | 2022-03-21 | 2022-06-28 | 中铁电气化局集团有限公司 | Intelligent balance weight device for compensating balance weight of electrified railway |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20151029 |
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| EXPY | Termination of patent right or utility model |