Intelligent auxiliary device for installation of railway contact net dropper

Abstract

The utility model provides a railway catenary dropper installation intelligent auxiliary device, which comprises a bottom movement auxiliary mechanism and a top installation auxiliary mechanism, and is characterized in that the bottom movement auxiliary mechanism comprises a first MCU, a 4G communication module, a Bluetooth module, an encoder, a resistance-type touch screen and a power supply module; the 4G communication module is in two-way communication with a server through an MQTT protocol, the Bluetooth module interacts with external Bluetooth equipment through a Bluetooth protocol, the encoder is used for measuring the moving distance of the ladder truck, and the resistive touch screen is used for man-machine interaction; the top installation auxiliary mechanism comprises a second MCU, a magnetic railing ruler, a laser and a digital display module. By integrating various sensors, the communication module and the display device, an intelligent and standardized dropper installation auxiliary system is constructed, various problems existing in a traditional installation mode are effectively solved, installation efficiency and quality are improved, safety risks are reduced, and remarkable economic and social benefits are achieved.

Description

Technical Field

[0001] This utility model relates to the field of railway electrification technology, specifically to an intelligent auxiliary device for installing railway catenary droppers. Background Technology

[0002] In railway electrification projects, the precise installation of overhead contact line droppers is a crucial step in ensuring stable current collection by the train pantograph and safe operation of the overhead contact line. Traditional dropper installation relies primarily on manual operation and recording, which has the following technical drawbacks:

[0003] Inefficient data management: Installers need to manually consult drawings to obtain theoretical parameters of the droppers (such as height and span), and record the actual measured data on site (such as torque and displacement) on paper. The process is cumbersome and prone to data errors and omissions, making it difficult to ensure the accuracy of installation parameters.

[0004] Insufficient measurement accuracy: Traditional tools (such as measuring tapes and levels) rely on manual readings, which are easily affected by the operator's experience. Especially in long-span scenarios, the cumulative error is significant, leading to excessive deviation of the dropper position.

[0005] Difficulties in collaborative operation: There is a lack of real-time information exchange between the movement of the bottom ladder truck and the installation action at the top. Operators need to frequently pass instructions and data up and down, which is inefficient and poses safety hazards.

[0006] In existing technologies, although some devices have attempted to introduce electronic measurement modules (such as laser rangefinders) or wireless communication technologies, they are mostly limited to single functions (such as data acquisition or display) and have not formed a systematic hardware collaborative architecture. This results in difficulties in data interaction and makes it difficult to meet the high precision and high efficiency requirements of railway construction. Utility Model Content

[0007] The purpose of this utility model is to provide an intelligent and standardized device for installing and managing droppers, which can assist installers in conveniently installing data and has the advantages of intelligence, informatization, and standardization.

[0008] To achieve the above objectives, this utility model proposes the following technical solution: an intelligent auxiliary device for installing railway catenary droppers, comprising:

[0009] The bottom movement assist mechanism includes a first MCU, a 4G communication module, a Bluetooth module, an encoder, a resistive touch screen, and a power module. The first MCU is electrically connected to the 4G communication module, the Bluetooth module, the encoder, and the resistive touch screen. The 4G communication module communicates bidirectionally with the server via the MQTT protocol. The encoder is used to measure the movement distance of the ladder truck. The 4G communication module communicates bidirectionally with the server via the MQTT protocol. The Bluetooth module interacts with external Bluetooth devices via the Bluetooth protocol. The encoder is used to measure the movement distance of the ladder truck.

[0010] The top mounting auxiliary mechanism includes a second MCU, a magnetic scale, a laser, and a digital display module. The second MCU is electrically connected to the magnetic scale, the laser, and the digital display module. The magnetic scale is used to measure the precise distance of the ladder cart's movement. The bottom moving auxiliary mechanism is connected to the top mounting auxiliary mechanism via an RS485 communication bus to achieve data interaction.

[0011] Furthermore, in this invention, the bottom moving auxiliary mechanism also includes an RS232 interface, and the resistive touch screen is connected to the first MCU through the RS232 interface for displaying the installation guide interface and receiving operation commands.

[0012] Furthermore, in this utility model, the laser in the top mounting auxiliary mechanism is an adjustable-focus laser positioning device, used to project an installation position indicator light spot;

[0013] The digital display module is a multi-digit LED array used to display the relative distance between the current position of the ladder truck and the target installation position in real time.

[0014] Furthermore, in this invention, the power module includes a 24V DC power input interface and a multi-channel voltage conversion circuit to provide adaptive voltages for each module of the bottom moving auxiliary mechanism.

[0015] Furthermore, in this utility model, the encoder is a photoelectric incremental encoder, which is connected to the ladder wheel axle;

[0016] The magnetic grating ruler is a linear magnetic grating sensor, installed on the crossbeam of the truck bed at the top of the ladder truck.

[0017] Furthermore, in this invention, the bottom moving assistance mechanism and the server communicate via a 4G communication module to download and upload installation data.

[0018] Furthermore, in this invention, the Bluetooth module supports Bluetooth 4.0 and above protocols, and is used to connect to external Bluetooth measuring tools and obtain real-time measurement data.

[0019] Beneficial effects: The technical solution of this application has the following technical effects:

[0020] 1. Intelligent data management: Through two-way communication with the server via a 4G communication module, bidirectional transmission of drop wire data is achieved, replacing the traditional manual review and recording methods, reducing data errors and omissions, and improving the efficiency and accuracy of data management.

[0021] 2. The measurement accuracy is significantly improved. The top-mounted auxiliary mechanism uses a high-precision magnetic ruler to measure the movement distance of the ladder cart, which effectively reduces the human error of traditional measuring tools, improves the positioning accuracy of the hanger installation, and ensures the installation quality.

[0022] 3. Enhanced efficiency in collaborative operations: The bottom moving auxiliary mechanism and the top installation auxiliary mechanism are connected via an RS485 communication bus, enabling real-time data exchange, reducing information transmission links between operators, and improving the efficiency and safety of collaborative operations.

[0023] 4. Convenient installation and operation: The adjustable-focus laser positioning device of the top-mounted auxiliary mechanism can accurately project the installation position indicator spot, and the digital display module displays the relative distance between the current position of the ladder truck and the target installation position in real time, which helps the installers to quickly and accurately complete the installation of the suspension cable and reduces the difficulty of operation.

[0024] 5. This utility model integrates multiple sensors, communication modules and display devices to construct an intelligent and standardized dropper installation auxiliary system, which effectively solves many problems existing in traditional installation methods, improves installation efficiency and quality, reduces safety risks, and has significant economic and social benefits.

[0025] It should be understood that all combinations of the foregoing concepts and the additional concepts described in more detail below can be considered as part of the utility model subject matter of this disclosure, provided that such concepts do not contradict each other.

[0026] The foregoing and other aspects, embodiments, and features of the present invention will be more fully understood from the following description in conjunction with the accompanying drawings. Other additional aspects of the present invention, such as features and / or beneficial effects of exemplary embodiments, will become apparent from the following description or may be learned through practice of specific embodiments according to the teachings of the present invention. Attached Figure Description

[0027] The accompanying drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component shown in the various figures may be denoted by the same reference numeral. For clarity, not every component is labeled in each figure. Embodiments of various aspects of the present invention will now be described by way of example and with reference to the accompanying drawings, wherein:

[0028] Figure 1 This is a diagram showing the overall system structure of this utility model.

[0029] Figure 2 This is a power tree diagram of the bottom moving auxiliary mechanism of this utility model.

[0030] Figure 3 This is a power tree diagram of the top mounting auxiliary mechanism of this utility model. Detailed Implementation

[0031] To better understand the technical content of this utility model, specific embodiments are described below in conjunction with the accompanying drawings. Various aspects of this utility model are described in this disclosure with reference to the accompanying drawings, which illustrate numerous illustrative embodiments. The embodiments of this disclosure are not necessarily defined to include all aspects of this utility model. It should be understood that the various concepts and embodiments described above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in this utility model are not limited to any particular implementation. Furthermore, some aspects of this utility model can be used alone or in any suitable combination with other aspects disclosed in this utility model.

[0032] like Figure 1-3 As shown in the attached figure, the overall structure of the present invention is as follows. Figure 1 The system comprises a bottom-mounted auxiliary mechanism and a top-mounted auxiliary mechanism for the elevator car. These two mechanisms are paired and interact via RS485 to form a complete system. The bottom-mounted auxiliary mechanism is equipped with a resistive touchscreen, providing a user-friendly human-machine interface (HMI). It also features 4G and Bluetooth modules, enabling remote interaction with other devices. The top-mounted auxiliary mechanism is equipped with a digital display, magnetic ruler, laser, and other measuring devices, allowing for collaborative display of some data and coordinated operation by different personnel. Based on these two core components, the invention achieves human-machine-cloud-human collaboration.

[0033] The bottom moving auxiliary mechanism and the top mounting auxiliary mechanism of the ladder truck work together to guide the installation of the spring-loaded crane; the bottom moving auxiliary mechanism and the top mounting auxiliary mechanism of the ladder truck work together to guide the measurement of the total span length. The bottom moving auxiliary mechanism and the top mounting auxiliary mechanism of the ladder truck work together to guide the installation of the droppers; relevant data generated during the installation of the spring-loaded crane and droppers are uploaded to the server by the bottom moving auxiliary mechanism of the ladder truck.

[0034] System structure of the bottom moving auxiliary mechanism of the ladder car Figure 2It connects to a 24V power supply via a round power plug, which is then converted to different voltage levels as needed. A first MCU controller then connects to and controls the touchscreen, 4G module, Bluetooth module, etc., to implement the corresponding functions.

[0035] In the actual implementation of the bottom-mounted auxiliary mechanism of the ladder truck, the power supply components are selected as follows: a standard 220V to 24V power adapter is selected, with 24V power supplied through a round-hole power plug to power the entire system. The main power conversion chip is the TI TPS54560DDAR DC / DC chip, which converts 24V to 5V; the TI TPS54331DR DC / DC chip is selected, which converts 5V to 3.8V; and the AMS1117-3.3 LDO chip from AUTOS Semiconductor is selected, which converts 5V to 3.3V. The touchscreen is directly powered by 24V, the first MCU controller and WIFI module use 3.3V, and the 4G module uses 3.8V.

[0036] In the actual implementation of the bottom-moving auxiliary mechanism for the ladder truck, the first MCU controller used is the STMicroelectronics STM32F407VET6. This model of the first MCU is based on… The core is equipped with a floating-point unit (FPU) with a main frequency of up to 168MHz and four serial communication ports. In this embodiment, the connection between the first MCU controller and the touch screen, 4G module, and Bluetooth module is all achieved through serial ports. The touch screen is a smart serial port screen from Beijing Diwen Technology Co., Ltd., which comes with a dual 8051 core T5L single-chip driver solution. Users can pre-import their designed interface images into the system, and through the serial port of the first MCU controller, they can realize the development of various display and touch functions. The 4G module is the MC665_CN_16 module from Fibocom Technologies, which supports the 4G frequency bands of domestic operators and has rich built-in network protocols. Various configurations of the 4G module can be achieved through the serial port and using the AT command set provided by the supplier. Finally, data interaction with the remote cloud server is performed as needed using the MQTT protocol. The Bluetooth module is the RF-BM-BG22A3 module from Xinchida. Similarly, various configurations of the Bluetooth module can be achieved through the serial port and using the AT command set provided by the supplier.

[0037] The system structure diagram of the auxiliary mechanism installed on the top of the ladder truck is as follows: Figure 3 First, a power supply is connected via a round-hole power plug, and then the supply voltage is converted to different levels as needed. Next, a second MCU controls and displays the processed data sent from the bottom-moving auxiliary mechanism of the ladder truck, and sends the collected magnetic scale data back to the bottom-moving auxiliary mechanism of the ladder truck.

[0038] When installing the auxiliary mechanism on the top of the ladder truck, the power supply components are selected as follows: The main power conversion chip is a TI TPS54560DDAR DC / DC chip to convert 24V to 5V; the secondary power conversion chip is a Yutai Semiconductor AMS1117-3.3 LDO chip to convert the input 5V to 3.3V. The system power tree is attached. Figure 3 - As shown in the power tree of the auxiliary mechanism installed on the top of the ladder truck, the second MCU controller is powered by 3.3V, the magnetic scale and laser are powered by 5V, and the digital display device is powered by 24V.

[0039] In the actual implementation of the auxiliary mechanism installed on the top of the ladder truck, the second MCU controller used is STMicroelectronics' STM32G070KBT6, the digital display device is from ZhongSheng Technology, and the magnetic scale is a high-precision magnetic scale with a resolution of 0.1 mm. This device receives data from the auxiliary mechanism at the bottom of the ladder truck, unpacks it, displays it on the digital display device, and sends the collected magnetic scale data to the auxiliary mechanism at the bottom of the ladder truck.

[0040] This embodiment integrates multiple sensors, communication modules, and display devices to construct an intelligent and standardized dropper installation auxiliary system. It effectively solves many problems associated with traditional installation methods. Through a 4G communication module and bidirectional communication with the server, it achieves real-time bidirectional transmission of dropper data, replacing the traditional manual review and recording methods. This avoids data errors and omissions, and improves the efficiency and accuracy of data management. Installers can obtain the latest installation parameters at any time and upload on-site data in real time, facilitating remote monitoring and management.

[0041] The top installation auxiliary mechanism uses a high-precision magnetic ruler to measure the movement distance of the ladder cart, with an accuracy of up to 0.1 mm. This effectively reduces the human error of traditional measuring tools, improves the positioning accuracy of the hanger installation, ensures the installation quality, and avoids safety hazards to the contact wire caused by positional deviations.

[0042] The bottom moving auxiliary mechanism and the top mounting auxiliary mechanism are connected via an RS485 communication bus, enabling real-time data exchange. This reduces information transmission links between operators, improving the efficiency and safety of collaborative operations. Operators no longer need to frequently climb up and down the ladder truck to exchange information, reducing safety risks.

[0043] The adjustable-focus laser positioning device with top-mounted auxiliary mechanism can accurately project the installation position indicator spot, and the digital display module displays the relative distance between the current position of the ladder truck and the target installation position in real time, assisting installers to quickly and accurately complete the installation of the suspension cable, reducing the difficulty of operation, and even inexperienced workers can quickly get started.

[0044] The bottom-mounted motion assistance mechanism is equipped with a resistive touchscreen, providing a user-friendly human-machine interface. Operators can set parameters, query data, and issue commands via the touchscreen, making operation simple and intuitive and reducing the learning curve. The 4G communication module supports the MQTT protocol, enabling data interaction with cloud servers to achieve remote monitoring, data analysis, and fault diagnosis, thus improving management efficiency and intelligence.

[0045] The bottom moving auxiliary mechanism and the top mounting auxiliary mechanism adopt a modular design, which facilitates installation, disassembly, and maintenance, reducing maintenance costs. This embodiment improves installation efficiency and quality, reduces safety risks, and lowers labor costs, resulting in significant economic and social benefits and contributing to the overall improvement of railway electrification engineering.

[0046] All standard parts used in this application can be purchased from the market, and can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art and is common knowledge in the field. Since this application is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail in this application.

[0047] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Those skilled in the art to which this invention pertains can make various modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of this invention shall be determined by the claims.

Claims

1. An intelligent auxiliary device for installing railway catenary droppers, characterized in that: include: The bottom movement assist mechanism includes a first MCU, a 4G communication module, a Bluetooth module, an encoder, a resistive touch screen, and a power module. The first MCU is electrically connected to the 4G communication module, the Bluetooth module, the encoder, and the resistive touch screen. The 4G communication module communicates bidirectionally with the server via the MQTT protocol. The Bluetooth module interacts with external Bluetooth devices via the Bluetooth protocol. The encoder is used to measure the movement distance of the ladder truck. The top mounting auxiliary mechanism includes a second MCU, a magnetic scale, a laser, and a digital display module. The second MCU is electrically connected to the magnetic scale, the laser, and the digital display module. The magnetic scale is used to measure the precise distance of the ladder cart's movement. The bottom moving auxiliary mechanism is connected to the top mounting auxiliary mechanism via an RS485 communication bus to achieve data interaction.

2. The intelligent auxiliary device for installing railway catenary droppers according to claim 1, characterized in that, The bottom moving auxiliary mechanism also includes an RS232 interface. The resistive touch screen is connected to the first MCU through the RS232 interface for displaying the installation guide interface and receiving operation commands.

3. The intelligent auxiliary device for installing railway catenary droppers according to claim 1, characterized in that, The laser in the top mounting auxiliary mechanism is a focusable laser positioning device used to project an indicator light spot for the installation position; The digital display module is a multi-digit LED array used to display the relative distance between the current position of the ladder truck and the target installation position in real time.

4. The intelligent auxiliary device for installing railway catenary droppers according to claim 1, characterized in that, The power module includes a 24V DC power input interface and a multi-channel voltage conversion circuit to provide adaptive voltages for each module of the bottom moving auxiliary mechanism.

5. The intelligent auxiliary device for installing railway catenary droppers according to claim 1, characterized in that, The encoder is a photoelectric incremental encoder, which is connected to the ladder wheel axle; The magnetic grating ruler is a linear magnetic grating sensor, installed on the crossbeam of the truck bed at the top of the ladder truck.

6. The intelligent auxiliary device for installing railway catenary droppers according to claim 1, characterized in that, The bottom mobility assistance mechanism communicates with the server via a 4G communication module to download and upload installation data.

7. The intelligent auxiliary device for installing railway catenary droppers according to claim 1, characterized in that, The Bluetooth module supports Bluetooth 4.0 and above protocols and is used to connect to external Bluetooth measurement tools and obtain real-time measurement data.

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