CN211731119U - Intelligent contact net spring compensator - Google Patents

Intelligent contact net spring compensator Download PDF

Info

Publication number
CN211731119U
CN211731119U CN201922216223.2U CN201922216223U CN211731119U CN 211731119 U CN211731119 U CN 211731119U CN 201922216223 U CN201922216223 U CN 201922216223U CN 211731119 U CN211731119 U CN 211731119U
Authority
CN
China
Prior art keywords
contact net
spring compensator
displacement sensor
monitor
working
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201922216223.2U
Other languages
Chinese (zh)
Inventor
杨金梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201922216223.2U priority Critical patent/CN211731119U/en
Application granted granted Critical
Publication of CN211731119U publication Critical patent/CN211731119U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The utility model belongs to the technical field of rail transit contact net compensation arrangement, a intelligence contact net spring compensator is related to, it provides a degree of automation height, manpower work load is little, have intelligent judgement and can long-range real-time accurate monitoring contact net spring compensator working property state a contact net spring compensator, it includes monitor (1), displacement sensor (2), push-and-pull rod (3), working beam benchmark dish (4), mechanical fastener (5), information center (6), urceolus (7), inner tube (8), working beam (9), connecting rod (10). The touch screen spring compensator working stroke indicating device can solve the defects of the existing touch screen spring compensator working stroke indicating device and the detection technology thereof, can also solve the problems of poor environment adaptability and low detection reliability when a laser range finder or an ultrasonic range finder is adopted to monitor the working stroke of the touch screen spring compensator, and has important engineering application value and good social benefit.

Description

Intelligent contact net spring compensator
Technical Field
The utility model belongs to the technical field of rail transit contact net compensation arrangement, a intelligence contact net spring compensator is related to.
Background
The contact net spring compensator is a kind of slack adjuster for compensating the length change of contact line and carrier cable of contact net in electrified railway and subway, the contact net spring compensator adopts pressure type helical spring, it is sealed in the cylinder, one end is fixed on the arch top of the pillar or tunnel, the other end is connected with the contact line/carrier cable through the insulator, its performance directly affects the suspension elasticity of the contact net, the standard state of the contact line in the space geometric position, once the working stroke of the contact net spring compensator is abnormal, the contact net is broken, the pantograph is off-line, the bad accident such as the stop of the electrified locomotive occurs.
In order to master the working performance state of the contact net spring compensator as much as possible, the existing contact net spring compensator is provided with a contact net spring compensator working stroke indicating device for displaying the compensation quantity and the motion working state of the contact net spring compensator, the indicating device comprises a calibrated scale reference sheet arranged on the contact surface of an inner cylinder of the spring compensator and a working rod, a mechanical calibrated scale and a load reading ring arranged on an outer cylinder of the spring compensator, when the working stroke of the contact net spring compensator changes, the mechanical calibrated scale can move along with the movement of the working rod of the spring compensator, and the size and the direction of the working stroke of the contact net spring compensator can be observed by naked eyes from the load reading ring on the outer cylinder of the spring compensator.
The spring compensator is required to be installed between every two anchor sections of the contact network, the current contact network spring compensator can only realize the control of the working stroke of the contact network spring compensator in a mode of inspection in a manpower field and near observation by naked eyes, and the manpower workload is huge and cannot be monitored in real time.
Although the laser range finder or the ultrasonic range finder can be arranged near the contact net spring compensator to monitor the working stroke of the contact net spring compensator in the prior art, the working stroke of the contact net spring compensator detected by the laser range finder or the ultrasonic range finder is greatly deviated or even falsely detected due to the fact that ice, snow or dust covers the detection working surface of the laser range finder or the ultrasonic range finder, the working lever of the contact net spring compensator and the detection reference surface of the working lever in rainy and snowy days and areas with large wind and sand, and the problems of poor environment adaptability and low detection reliability exist in the method for monitoring the working stroke of the contact net spring compensator by adopting the laser range finder or the ultrasonic range finder.
In order to make up the defects of the existing contact net spring compensator working stroke indicating device and the detection technology thereof, solve the problems of poor environment adaptability, low detection reliability and the like when a laser range finder or an ultrasonic range finder is adopted to monitor the working stroke of the contact net spring compensator, develop an intelligent contact net spring compensator which has high automation degree, small labor workload, capability of remotely and accurately detecting working stroke parameters and abnormal information of the contact net spring compensator in real time, mastering the working performance state of the contact net spring compensator and reducing or avoiding locomotive shutdown accidents, and has important engineering application value and good social benefit.
Disclosure of Invention
To above-mentioned current contact net spring compensator and detect not enough of technique, solve and adopt laser range finder or ultrasonic ranging appearance to contact net spring compensator working stroke monitoring time measuring environment adaptability poor, detect the low problem of reliability, the utility model provides a degree of automation is high, the manpower work load is little, have intelligent judgement and can long-range real-time accurate monitoring contact net spring compensator working property state's a contact net spring compensator.
The utility model discloses the technical scheme who adopts does: the utility model provides an intelligence contact net spring compensator, includes monitor, displacement sensor, push-and-pull rod, working rod benchmark dish, mechanical fastener, information center, urceolus, inner tube, working rod, connecting rod, wherein: the monitor is connected with the displacement sensor through a cable and is connected with the information center in a wireless mode through a GSM/GPRS communication mode; the monitor includes controller, GSM/GPRS communication module, battery, solar panel, power converter, solar controller, antenna, shell, wherein: the controller is respectively connected with the GSM/GPRS communication module and the battery, the battery is respectively connected with the solar panel and the power converter, and the output end of the GSM/GPRS communication module is connected with the antenna; the controller in the monitor comprises a single chip microcomputer, a memory, a serial interface and an A/D converter, wherein the single chip microcomputer is respectively connected with the memory, the A/D converter and the serial interface; the GSM/GPRS communication module in the monitor adopts a communication module with a serial interface, and the serial interface of the GSM/GPRS communication module is connected with the serial interface of the monitor; the displacement sensor adopts a linear displacement sensor, the linear displacement sensor is arranged on the outer surface of the outer cylinder of the contact net spring compensator through a mechanical fastener, the central line of a push-pull rod of the displacement sensor is parallel to the central line of a working rod of the contact net spring compensator, the outer end of the push-pull rod is provided with threads and is fixedly connected with a working rod reference disc through a nut or a welding mode, and the working rod reference disc is flatly and fixedly connected with the outer end surface of the inner cylinder of the contact net spring compensator; one end of the connecting rod is connected with the working rod, and the other end of the connecting rod is connected with one end of the contact wire/carrier cable through the connecting seat; the monitor automatically acquires displacement signals of the displacement sensor according to a self control program and automatically transmits the acquired displacement signals to the information center in a wireless mode;
the displacement sensor adopts one of an analog quantity output type or a digital quantity output type linear displacement sensor, the output end of the analog quantity output type linear displacement sensor is connected with an A/D interface of a controller in the monitor, the digital quantity output type linear displacement sensor is connected with a serial interface or an I/O interface of the controller in the monitor, and a power supply interface of the displacement sensor is connected with a power supply converter of the monitor through a connecting wire; the working stroke of a linear displacement sensor adopted by the displacement sensor is greater than the maximum moving distance of a working rod of the contact net spring compensator;
the working rod reference disc is a flat plate, a through hole or a through groove is formed in the flat plate, the working rod reference disc is flatly attached to the outer end face of the working rod of the contact net spring compensator and fixedly connected with the working rod through a nut or a pin, a through hole or a through groove capable of enabling the push-pull rod to penetrate through is further formed in the flat plate, the threaded end of the push-pull rod penetrates through the through hole or the through groove in the flat plate, and the push-pull rod is fixedly connected with the working rod reference disc through a nut or a welding mode.
The working rod reference disc can be flatly attached to the reference surface of the contact net spring compensator scale reference plate, and the two flat attaching surfaces are tightly attached and fixed by screws or rivets;
the mechanical fastener comprises a connecting rod, a screw, a nut and a hoop, a plurality of through holes are formed in two narrow faces of the connecting rod, the screw rod penetrates through the through holes in the side ends of the connecting rod and clamps and fastens the two connecting rods on the outer cylinder through the nut, the displacement sensor is fixed on the connecting rod through the screw, the nut and the mounting support, and the monitor is fixed on the outer cylinder or the support through the hoop or the mounting support.
The method for realizing intelligent monitoring of the working stroke of the contact net spring compensator by the monitor comprises the following steps:
step 1: the controller of the monitor automatically starts the displacement sensor to be in a working state according to a time interval set by a self program;
step 2: a controller of the monitor collects the working stroke data of the contact net spring compensator sensitive to the displacement sensor;
and step 3: the controller of the monitor analyzes the working stroke data of the contact net spring compensator sensitive to the displacement sensor, establishes connection with the information center through a GSM/GPRS communication network and transmits the detected working stroke data to the information center after judging that the received data is a normal signal; when the received data exceeds the maximum working stroke of the contact net spring compensator or the size of the data received in the previous time is seriously exceeded, the monitor collects the working stroke data of the contact net spring compensator sensitive to the displacement sensor again, establishes connection with the information center through a GSM/GPRS communication network and transmits the detected working stroke data to the information center;
and 4, step 4: the information center receives and stores data from the monitor, a monitoring master station of the information center judges and displays whether the received working stroke of the contact net spring compensator is in a normal range, and when the received working stroke regulation of the contact net spring compensator is judged to be small or exceeds the abnormal conditions such as a range and the like, the information center immediately sends an alarm signal that the working stroke of the contact net spring compensator is abnormal to a mobile phone of a rail transit maintenance department or a maintainer to remind the rail transit maintenance department or the maintainer to timely confirm the fault of the contact net spring compensator and carry out field maintenance;
the working principle, material, internal adjusting structure and installation mode of the outer cylinder, the inner cylinder, the working rod and the connecting rod are all similar to or the same as those of the existing contact net spring compensator.
The utility model discloses can be in real time, the working stroke parameter and the abnormal information of accurate detection contact net spring compensator and automatic in time wireless transmission to rail transit maintenance department with the working stroke parameter and the abnormal information of contact net spring compensator, make rail transit maintenance department master the operating condition and the work abnormal information of contact net spring compensator in real time, can solve the not enough of current contact net spring compensator working stroke indicating device and detection technique, also can solve and adopt laser range finder or ultrasonic range finder to the poor environment adaptability of contact net spring compensator working stroke monitoring time measuring, detect the low problem of reliability, will avoid or reduce because of not in time finding the emergence of contact net spring compensator that the working stroke is unusual and lead to bow net trouble, locomotive outage accident, the utility model relates to a degree of automation is high, the practicality is strong, the utility model discloses a, The contact net spring compensator has small labor load, intelligent judgment and capability of remotely and accurately monitoring the working performance state of the compensator in real time.
Drawings
To facilitate understanding and practicing the invention for those of ordinary skill in the art, the invention is described in further detail below with reference to the accompanying drawings, which are not necessarily drawn to scale, and the detailed description of the invention is not intended to limit the scope of the invention.
Fig. 1 is a schematic diagram of the overall system structure of the present invention.
Fig. 2 is a schematic diagram of the system operation principle and the main structure of the present invention.
Fig. 3 is a schematic structural diagram of a conventional mechanical scale type contact net spring compensator.
Description of reference numerals:
in the figure, 1, monitor; 2. a displacement sensor; 3. a push-pull rod; 4. a working rod reference disc; 5. a mechanical fastener; 6. an information center; 7. An outer cylinder; 8. an inner barrel; 9. a working lever; 10. a connecting rod; 11. a pillar; 12. an antenna; 13. a solar panel; 14. a coupling seat; 15. contact wire/messenger wire; 16. a spring compensator mechanical scale; 17. a spring compensator load reading ring; 18. a reference piece of a graduated scale of the spring compensator.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to an intelligence contact net spring compensator, as shown in FIG. 1, FIG. 2, FIG. 3, an intelligence contact net spring compensator, including monitor 1, displacement sensor 2, push-and-pull rod 3, working rod benchmark dish 4, mechanical fastener 5, information center 6, urceolus 7, inner tube 8, working rod 9, connecting rod 10, wherein: the monitor 1 is connected with the displacement sensor 2 through a cable, and the monitor 1 is connected with the information center 6 in a wireless mode through a GSM/GPRS communication mode; monitor 1 includes controller, GSM/GPRS communication module, battery, solar panel 13, power converter, solar control ware, antenna 12, shell, wherein: the controller is respectively connected with the GSM/GPRS communication module and the battery, the battery is respectively connected with the solar panel 13 and the power converter, and the output end of the GSM/GPRS communication module is connected with the antenna 12; the controller in the monitor 1 comprises an MSP430 micro-power consumption singlechip, a memory, a serial interface and an A/D converter, wherein the MSP430 micro-power consumption singlechip is respectively connected with the memory, the A/D converter and the serial interface; the GSM/GPRS communication module in the monitor 1 adopts a USR-G785 communication module of an RS485 serial interface, the USR-G785 communication module is a mobile communication telecommunication 2G/3G/4G all-network communication GSM/GPRS communication module, and the RS485 serial interface of the USR-G785 communication module of the GSM/GPRS is connected with the RS485 serial interface of the monitor 1; the displacement sensor 2 adopts a KTC1-1500RS linear displacement sensor, the linear displacement sensor KTC1-1500RS is arranged on the outer surface of the outer cylinder 7 of the contact net spring compensator through a mechanical fastener 5, the center line of a push-pull rod 3 of the displacement sensor 2 is parallel to the center line of a working rod 9 of the contact net spring compensator, the outer end of the push-pull rod 3 is threaded and fixedly connected with a working rod reference disc 4 through a nut or a welding mode, and the working rod reference disc 4 is flatly and fixedly connected with the outer end surface of the inner cylinder 8 of the contact net spring compensator; one end of the connecting rod 10 is connected with the working rod 9, and the other end of the connecting rod 10 is connected with one end of the contact wire/carrier cable 15 through a connecting seat 14; the monitor 1 automatically acquires displacement signals of a KTC1-1500RS displacement sensor 2 according to a control program of an MSP430 micro-power consumption single chip microcomputer of the monitor and automatically transmits the acquired displacement signals to the information center 6 in a wireless mode through controlling a USR-G785 communication module and an antenna 12 and a GSM/GPRS network;
the displacement sensor 2 is one of an analog quantity output type linear displacement sensor or a digital quantity output type linear displacement sensor, the output end of the analog quantity output type linear displacement sensor is connected with an A/D interface of a controller in the monitor 1, the digital quantity output type linear displacement sensor is connected with a serial interface or an I/O interface of the controller in the monitor 1, in the embodiment, KTC1-1500RS is adopted as the digital quantity output type linear displacement sensor of an RS485 interface, the RS485 interface of the KTC1-1500RS linear displacement sensor is connected with the RS485 interface of the controller in the monitor 1 through a cable, and the power supply interface of the KTC1-1500RS linear displacement sensor of the displacement sensor 2 is connected with the power supply converter of the monitor 1 through a cable; the working stroke of a KTC1-1500RS linear displacement sensor adopted by the displacement sensor 2 can be 1500mm, and the working stroke of the KTC1-1500RS linear displacement sensor is larger than the maximum moving distance of a contact net spring compensator working rod 9, namely the maximum working stroke (1300mm) of the spring compensator;
the working rod reference disc 4 is an elliptical flat plate, a narrow end of the elliptical flat plate is provided with a plurality of through holes, the elliptical flat plate is flatly attached to the outer end face of the contact net spring compensator working rod 9, the working rod reference disc 4 is fixedly connected with the working rod 9 through nuts, a through groove capable of enabling the push-pull rod 3 to penetrate through is further formed in the other narrow end of the elliptical flat plate, the threaded end of the push-pull rod 3 penetrates through the through groove in the flat plate, and the push-pull rod 3 is fixedly connected with the working rod reference disc 4 in a nut locking mode;
for the contact net spring compensator with the larger thickness (for example, the thickness is more than 3mm) of the reference plate 18 of the graduated scale of the contact net spring compensator, the working rod reference disc 4 can also be flatly attached on the reference surface of the reference plate 18 of the graduated scale of the contact net spring compensator, and the two flatly attached surfaces are tightly attached and fixed by using screws or rivets;
the mechanical fastener 5 comprises a connecting rod, a screw, a nut and a hoop, a plurality of through holes are formed in two narrow faces of the connecting rod, the screw rod penetrates through the through holes in the side ends of the connecting rod and fixedly holds the two connecting rods on the outer cylinder 7 through the nut, the displacement sensor 2 is fixed on the connecting rod through the screw, the nut and a mounting bracket, and the monitor 1 is fixed on the outer cylinder 7 or the support post 11 through the hoop or the mounting bracket;
the method for intelligently monitoring the working stroke and judging the working state of the contact net spring compensator by the monitor 1 comprises the following steps:
step 1: the controller of the monitor 1 sends a displacement acquisition command to a receiving end of an RS485 interface of a KTC1-1500RS linear displacement sensor through a transmitting end of the RS485 interface according to a time interval set by an MSP430 micro-power consumption singlechip program, the KTC1-1500RS linear displacement sensor is in a working state and acquires a displacement signal sensitive to the displacement sensor, and the displacement signal is the distance between a working rod reference disc 4 and an outer cylinder 7, namely the working stroke of a contact net spring compensator;
step 2: the MSP430 micro-power consumption singlechip of the monitor 1 receives the working stroke data of the contact net spring compensator sensitive to the KTC1-1500RS linear displacement sensor, which is transmitted to the transmitting end of the RS485 interface of the KTC1-1500RS linear displacement sensor through the receiving end of the RS485 interface;
and step 3: the MSP430 micro-power consumption singlechip of the monitor 1 analyzes and processes the data of the working stroke of the contact net spring compensator sensitive to the KTC1-1500RS linear displacement sensor, and establishes connection with the information center 6 through a GSM/GPRS communication network and transmits the detected working stroke data to the information center 6 after judging that the received data are normal range signals (such as 600mm +/-100 mm); when the received data exceeds the maximum working stroke (1300mm) of the contact network spring compensator or the size (such as +/-300 mm) of the data received in the previous time is judged, the monitor 1 collects the working stroke data of the contact network spring compensator sensitive to the displacement sensor 2 again, establishes connection with the information center 6 through a GSM/GPRS communication network and transmits the detected working stroke data to the information center 6;
and 4, step 4: the information center 6 receives and stores data from the monitor 1, the monitoring master station of the information center 6 integrates information such as on-site microclimate of the contact network spring compensator to judge and display whether the received working stroke of the contact network spring compensator is in a normal range, when the received working stroke regulation of the contact network spring compensator is small or exceeds the abnormal conditions such as a range and the like, the information center 6 immediately sends an alarm signal indicating that the working stroke of the contact network spring compensator is abnormal to a mobile phone of a rail traffic maintenance department or a maintainer, and reminds the rail traffic maintenance department or the maintainer to timely confirm the fault of the contact network spring compensator and carry out maintenance on site;
the working principle, material, internal adjusting structure and installation mode of the outer cylinder 7, the inner cylinder 8, the working rod 9 and the connecting rod 10 are similar to or the same as those of the existing contact net spring compensator.
Consider many contact net spring compensators and install in the remote area that communication network is laggard, the utility model discloses preferentially adopted information center 6 with communication between monitor 1 adopts more ordinary GSM/GPRS communication mode, to the better area of communication network, through the receiving arrangement type that changes communication module type and information center 6 in the monitor 1, also can adopt information center 6 with monitor 1 adopts 5G or thing networking communication technology to realize connecting.
The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, any belonging technical field has a general knowledge, if the present invention does not depart from the technical features of the present invention, the present invention utilizes the present invention to make the local modification or modification equivalent embodiment, and does not depart from the technical features of the present invention, and all still belong to the technical features of the present invention.

Claims (5)

1. The utility model provides an intelligence contact net spring compensator which characterized in that, includes monitor (1), displacement sensor (2), push-and-pull rod (3), working rod benchmark dish (4), mechanical fastener (5), information center (6), urceolus (7), inner tube (8), working rod (9), connecting rod (10), wherein: the monitor (1) is connected with the displacement sensor (2) through a cable, and the monitor (1) is connected with the information center (6) in a wireless mode through a GSM/GPRS communication mode; monitor (1) includes controller, GSM/GPRS communication module, battery, solar panel (13), power converter, solar control ware, antenna (12), shell, wherein: the controller is respectively connected with the GSM/GPRS communication module and the battery, the battery is respectively connected with the solar panel (13) and the power converter, and the output end of the GSM/GPRS communication module is connected with the antenna (12); the controller in the monitor (1) comprises a single chip microcomputer, a memory, a serial interface and an A/D converter, wherein the single chip microcomputer is respectively connected with the memory, the A/D converter and the serial interface; the GSM/GPRS communication module in the monitor (1) adopts a communication module with a serial interface, and the serial interface of the GSM/GPRS communication module is connected with the serial interface of the monitor (1); the displacement sensor (2) adopts a linear displacement sensor, the linear displacement sensor is arranged on the outer surface of the contact net spring compensator outer cylinder (7) through a mechanical fastener (5), the central line of a push-pull rod (3) of the displacement sensor (2) is parallel to the central line of a contact net spring compensator working rod (9), the outer end of the push-pull rod (3) is provided with threads and is fixedly connected with a working rod reference disc (4) through a nut or a welding mode, and the working rod reference disc (4) is fixedly connected with the outer end surface of the contact net spring compensator inner cylinder (8) in a flat attaching mode; one end of the connecting rod (10) is connected with the working rod (9), and the other end of the connecting rod (10) is connected with one end of the contact line/carrier cable (15) through a connecting seat (14); the monitor (1) automatically acquires the displacement signal of the displacement sensor (2) according to a self control program and automatically transmits the acquired displacement signal to the information center (6) in a wireless mode.
2. The intelligent contact net spring compensator according to claim 1, wherein the displacement sensor (2) is one of an analog quantity output type linear displacement sensor or a digital quantity output type linear displacement sensor, the output end of the analog quantity output type linear displacement sensor is connected with the A/D interface of the controller in the monitor (1), the digital quantity output type linear displacement sensor is connected with the serial interface or the I/O interface of the controller in the monitor (1), and the power supply interface of the displacement sensor (2) is connected with the power supply converter of the monitor (1) through a connecting wire; the working stroke of the linear displacement sensor adopted by the displacement sensor (2) is greater than the maximum moving distance of the contact net spring compensator working rod (9).
3. The intelligent contact net spring compensator according to claim 1, wherein the working rod reference disc (4) is a flat plate, a through hole or a through groove is formed in the flat plate, the working rod reference disc (4) is flatly attached to the outer end face of the contact net spring compensator working rod (9) and fixedly connected with the working rod (9) through a nut or a pin, the flat plate is further provided with a through hole or a through groove through which the push-pull rod (3) can pass, the threaded end of the push-pull rod (3) passes through the through hole or the through groove in the flat plate, and the push-pull rod (3) is fixedly connected with the working rod reference disc (4) through a nut or a welding mode.
4. An intelligent contact net spring compensator according to claim 1, characterized in that the working rod reference disc (4) can be flatly attached on the reference surface of the contact net spring compensator scale reference plate (18) and the two flatly attached surfaces are tightly fixed by screws or rivets.
5. The intelligent contact net spring compensator according to claim 1, wherein the mechanical fastener (5) comprises a connecting rod, a screw, a nut and a hoop, the two narrow faces of the connecting rod are provided with a plurality of through holes, the screw rod passes through the through holes at the side ends of the connecting rod and clamps and fastens the two connecting rods on the outer cylinder (7) through the nut, the displacement sensor (2) is fixed on the connecting rod through the screw, the nut and a mounting bracket, and the monitor (1) is fixed on the outer cylinder (7) or the pillar (11) through the hoop or the mounting bracket.
CN201922216223.2U 2019-12-11 2019-12-11 Intelligent contact net spring compensator Active CN211731119U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922216223.2U CN211731119U (en) 2019-12-11 2019-12-11 Intelligent contact net spring compensator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922216223.2U CN211731119U (en) 2019-12-11 2019-12-11 Intelligent contact net spring compensator

Publications (1)

Publication Number Publication Date
CN211731119U true CN211731119U (en) 2020-10-23

Family

ID=72876500

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922216223.2U Active CN211731119U (en) 2019-12-11 2019-12-11 Intelligent contact net spring compensator

Country Status (1)

Country Link
CN (1) CN211731119U (en)

Similar Documents

Publication Publication Date Title
CN107843285B (en) Wind-driven force effect remote monitoring system of power transmission tower line and application
CN203687993U (en) Side slope monitoring system
CN101493680B (en) Gangue stock digitalization safety monitoring system, method and device
WO2019047653A1 (en) Contact network online monitoring system and method therefor
CN204570494U (en) A kind of mobile formwork bridge fabrication machine monitoring system
CN106383014A (en) System and method for automatically monitoring deformation of bridge bearer
CN110986791A (en) Online measurement system and measurement method for AB value of electrified railway contact net compensation device
CN111693000B (en) Rail transit contact net compensation monitoring device and monitoring method
CN110631753A (en) Online monitoring and early warning system and method for contact line tension of catenary of railway contact network
CN105667540A (en) Rail state detection system
CN114537149B (en) Method for non-contact detection of locomotive pantograph characteristic parameters
CN211731119U (en) Intelligent contact net spring compensator
CN214747846U (en) Building foundation pit and side slope monitoring system
CN102001346A (en) Apparatus for detecting railway foreign intrusion
CN112937376A (en) Intelligent contact net spring compensator
CN103670515A (en) Underground coal mine air-door fault early warning system
KR100950324B1 (en) New construction joint dvice displacement detection system of railway rail
CN110593031A (en) Track fastener loosening automatic detection method and system based on pressure sensing
CN210605036U (en) Distributed meteorological monitoring system
CN215935038U (en) Bridge expansion joint monitoring communication equipment
CN111224465A (en) Micro-power consumption distribution line intelligent monitoring system
CN211452224U (en) Contact net spring compensator working stroke automatic checkout device
CN212779344U (en) Bridge safety real-time monitoring system
CN210347096U (en) Online monitoring device for anchor section of contact net
CN210533429U (en) Environment monitoring device with positioning function

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant