WO2010099682A1 - 一种中低压侧向自适应接触取电装置 - Google Patents

一种中低压侧向自适应接触取电装置 Download PDF

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Publication number
WO2010099682A1
WO2010099682A1 PCT/CN2009/074073 CN2009074073W WO2010099682A1 WO 2010099682 A1 WO2010099682 A1 WO 2010099682A1 CN 2009074073 W CN2009074073 W CN 2009074073W WO 2010099682 A1 WO2010099682 A1 WO 2010099682A1
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Prior art keywords
electricity
elephant
acquisition
power take
power
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PCT/CN2009/074073
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English (en)
French (fr)
Inventor
向爱国
熊海明
范沛
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武汉港迪电气有限公司
武汉港迪机电工程有限公司
赤湾集装箱码头有限公司
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Application filed by 武汉港迪电气有限公司, 武汉港迪机电工程有限公司, 赤湾集装箱码头有限公司 filed Critical 武汉港迪电气有限公司
Priority to SG2011060084A priority Critical patent/SG173785A1/en
Publication of WO2010099682A1 publication Critical patent/WO2010099682A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C17/00Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
    • B66C17/06Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/12Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices

Definitions

  • the invention is novel and practical, and relates to a medium and low frame automatic power take-off device for working on a grid gantry crane in a large freight yard of a port terminal.
  • the object of the present invention is to provide a medium-low pressure side which can be automatically retracted, has simple operation, high efficiency, low total engineering cost, no manual assistance, reliable and stable operation, safety and pollution-free operation. Take power to the adaptive contact device.
  • the realization of the object of the present invention is a medium and low voltage lateral adaptive contact power taking device, in the blind track center of the tire container crane yard area, along the direction of the container crane traveling track, the fixed end columns at both ends, and the middle interval Arranging a plurality of neutral columns as a supporting structure, arranging upper sliding line brackets, sliding line brackets and photoelectric detecting boards between the columns, and arranging positive and negative power supply sliding contact lines on the upper and lower sliding line brackets, and both ends of the power supply sliding contact lines Set the sliding line tensioning device, install the base and driving device of the automatic alignment power take-off device in the front and rear rows on the lower beam side of the tire type container crane, and install the adjusting device on the base.
  • the elephant trunk bridge, the large rod, the main boom on the base connect the small rod at the head of the elephant trunk, connect the elephant bridge at the head of the large rod, connect the elephant trunk and the large rod by the connecting rod, the elephant
  • the bridge of the nose, the connecting rod, the small tie rod, the elephant nose bridge, the large tie rod and the main arm beam form a combined linkage mechanism, the hinges are connected between the rods, the rolling bearing is used for the hinge point, and one end of the main boom is hingedly connected with the base, and One end is hinged to the elephant's nose bridge.
  • the laser distance measuring sensor is installed on the front and rear of the tire type container crane, and the photoelectric detecting board is arranged in parallel with the power supply sliding line, and the vertical bow and the follower spring are used between the electric bow plate of the power taking device and the small tie rod and the elephant nose bridge.
  • the sensor is connected to the photoelectric detecting board, and the positive and negative power taking devices are respectively connected with the positive and negative power supply sliding lines.
  • the invention is different from the overhead sliding line, the low-voltage safety sliding line, the cable reel charging device, in the center of the blind road of the tire container crane (RTG) yard box area, along the direction of the RTG traveling track, the fixed end column at both ends, the middle Arrange multiple neutral columns at equal intervals as power supply sliding lines
  • the supporting structure of the device, the upper sliding line bracket, the sliding line bracket and the photoelectric detecting board are arranged between the columns, the positive and negative power supply sliding contact lines are arranged on the upper and lower sliding line brackets, and the sliding contact lines are arranged at both ends of the power supply sliding contact line.
  • the tensioning device mounts the lateral adaptive contact power take-off device, the driving device and the adjusting device in the front and rear rows on the lower beam side of the tire type container crane. Reflected by photoelectric detector
  • the optical signal of the laser ranging sensor on the RTG is automatically guided to the RTG cart to correct the deviation.
  • the power-feeding device is laterally adaptive and safely takes electrical contact, so that the pantograph plate is always in a relatively vertical state, ensuring a good connection between the bow-headed slide and the power supply sliding contact line, and the adjusting device automatically adjusts the contact pressure even if the tire type
  • the container crane is moderately deviated, and the contact and power take-off are not affected.
  • the power take-off plate of the power take-off device is designed with a cushioning spring to ensure good adaptability when the RTG is walking.
  • the double insulation of the electrical insulator and the insulating porcelain bottle is used. Designed to ensure the insulation between the electric bow plate and the supporting link metal, which is safer to use;
  • Both sides of the low-voltage power supply sliding line are powered on at the same time, and the two sets of RTGs for operation on both sides of the field can be used for power supply.
  • multiple wheel-type container cranes can be used for power supply in the single-side box area to meet the requirements of the box area operation. Save space and cost in the box area;
  • the medium and low pressure column is used, compared with the overhead frame, the light weight is simple, the production is simple, the transportation is convenient, and the installation is easy; the overall construction cost is low, and the requirements of the foundation load are also greatly reduced due to the decrease of the height of the column, which is 1/ 20, the cost is greatly reduced, the occupied space is short, right The impact of the site is small, and the timeliness of the transformation is good;
  • RTG uses four sets of lateral adaptive contact power take-off devices on the left and right sides, positive and negative, and the power take-off device can be unified specifications.
  • Figures la and b are front and top views of the structure of the present invention.
  • FIG. 2 is a schematic structural view of a lateral adaptive contact power take-off device
  • FIG. 3a, b are schematic views of the driving device
  • FIG. 4a, b is a schematic diagram of the adjustment device
  • Fig. 5 is a schematic diagram of the automatic correction control of the walking of the RTG cart guided by the photoelectric detecting board
  • Figs. 6 and 7 are schematic diagrams of the device control and the limit protection. detailed description
  • the invention consists of a power supply device, a power take-off device and a control part.
  • the power supply device comprises a column foundation, a power supply support, a power supply sliding line, and a sliding line tensioning device.
  • the power taking device comprises a supporting four-link, a pantograph plate, a follower spring, an electric insulation, an insulating porcelain bottle, a sliding plate, a driving device, an adjusting device, and a retracting limit switch.
  • the control part consists of laser ranging sensor, photoelectric detection board, retractable limit switch, PLC control on RTG machine and inverter drive system.
  • a plurality of center pillars 2 are arranged along the direction of the tire gantry crane (RTG), and the two ends of the fixed end pillars 1 are equally spaced.
  • the support structure of the antenna 8 Sliding between the columns The wire holder 4, the slide line holder 5, and the photodetecting plate 3.
  • the upper sliding wire bracket 4 and the sliding wire bracket 5 are arranged with the positive and negative power supply sliding contact wires 8, and the sliding contact wire tensioning device 6 is disposed at both ends of the power supply sliding contact wire 8, the sliding wire tensioning device 6 and the two end end columns 1 connection, so that the power supply sliding line 8 is in a straight line requirement, and meets the lateral contact requirement of the adaptive contact power taking device 7.
  • the power supply sliding contact line 8 is equipped with a double-groove copper sliding line, and is installed on both sides of the left and right sides and vertically, for two sets of multiple tire-type container cranes on both sides to simultaneously take power.
  • the base 18 of the lateral adaptive contact power take-off device 7 is mounted on the front and rear side of the lower beam side 17 of the tire type container crane, and the small nose bridge 11, the large tie rod 19, and the main boom 20 are mounted on the base 18,
  • the head of the small elephant nose 11 is connected to the small tie rod 12, and the elephant nose bridge 13 is connected to the head of the large rod 19, the small elephant bridge 11, the large rod 19 is connected by the connecting rod 11A, the small elephant nose 11, the connecting rod 11A, the small rod 12.
  • the elephant nose bridge 13, the large tie rod 19, and the main arm beam 20 form a combined linkage mechanism.
  • the joints between the rods are hinged, and the rolling joints are used for the hinges.
  • the main arm frame 20-end is hingedly connected to the base 18, and the other end is hinged to the elephant nose bridge 13 to support the combined connecting rod.
  • the small rod 12 and the right end of the elephant nose bridge 13 are designed to be vertically mounted with shaft holes, which are connected by vertical hinges 21, and the vertical hinges 21 are provided with electric insulators 14, and the electric insulators 14 are mounted with four insulating porcelain bottles 22, which are driven springs.
  • 15 is connected to the pantograph plate 16, and the vertical hinge 21 always keeps the pantograph plate 16 vertical.
  • the two insulations ensure that the electric bow plate 16 is insulated from the metal support combination link, and the power is safe.
  • the power take-off board 16 is in contact with the power supply sliding line 8 when the lateral adaptive contact power taking device 7 is lowered.
  • the follower spring 15 ⁇ uses a leaf spring structure to provide a certain flexibility between the pantograph plate 16 and the power take-off insulator 14 to compensate for the shock displacement.
  • the lateral adaptive contact power take-off device 7 is driven by the drive device 9,
  • the brake 9.1 of the moving device 9 is connected to the reel 9.2, the speed reducer 9.3 and the motor 9.4 via a shaft, the brake 9.1 is provided with a cam limiting device 9.7, the reel 9.2 is wound around the traction wire 9.5, and the reducer 9.3 is mounted on the mounting base 9.6.
  • the sound and light alarm circuit is a general circuit.
  • the base 18 is provided with the attachment lug 10.1 of the adjustment device 10, the adjustment screw 10.3 has a lock nut 10.4, and the attachment lug 10.1 and the adjustment screw 10.3 have a tension spring 10.2.
  • the adjustment device 10 maintains a torque balance between the tension spring and the power take-up device.
  • the telescopic force is adaptively adjusted in the lateral direction of ⁇ 300mm, so that the power take-off slide is in contact with the power supply sliding contact line, and the stable power supply contact pressure of 90 ⁇ 120N is maintained.
  • the adjusting device 10 is connected with the large rod through the hinge shaft 10.5, adjusts the position of the locking screw 10.3, and is locked by the lock nut 10.4, so that the power take-off board 16 is in contact with the power supply sliding contact line 8 to maintain a stable power supply contact pressure of 90 ⁇ 120N. .
  • the distance sensor is connected to the photoelectric detecting board, and the positive and negative power taking devices are respectively connected with the positive and negative power supply sliding lines.
  • the photoelectric detecting board 3 is arranged in parallel with the positive and negative power supply sliding lines 8.
  • the laser distance measuring sensor detects the distance from the photoelectric detecting board before and after being mounted on the tire type container crane (RTG).
  • RTG tire type container crane
  • AL respectively control the left and right walking speed of the RTG cart, automatically correct the deviation, and maintain the distance between the lateral adaptive contact power take-off device and the power supply sliding line at L+AL
  • L is a fixed value, AL ⁇ 200mm.
  • the current laser ranging sensor detects AL ⁇ 200 mm
  • the rear laser distance measuring sensor detects AL ⁇ 200 mm
  • the laser ranging sensor signal is input to the PLC control and variable frequency drive system to control the speed of the left traveling motor of the cart. It is slightly higher than the speed of the traveling motor on the right side of the cart from 1 to 5%. After the recovery distance is less than L+AL, the speeds on both sides are the same.
  • the control method is the same, and the RTG cart is automatically controlled to correct the deviation speed, and the power take-off distance is automatically maintained.
  • the right side of the container gantry crane (RTG) and the left side of the power take-off device are determined by the right side selector switch K2 and the left side selection switch ⁇ 3.
  • the ⁇ 2 pull-in selects the right-hand power-receiving device for retracting, controls the retraction through the driver's cab PLC command, and then controls the retracting and lowering through the relays K4 and K5.
  • the actions of closing and lowering are reciprocal, and are performed by KM5 and KM6. Interlocked.
  • the right-hand power-receiving device needs to be retracted to be transferred. After entering the other side, it is required to take power through the left side and select the left-side power-collecting device through ⁇ 3 suction. Retractable, the principle of retraction control is the same as the above right side.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control And Safety Of Cranes (AREA)

Description

一种中 侧向自适应接触取电装置
技术领域
本发明是新型实用的, 涉及一种在港口码头大型货场集装箱龙门吊 使用电网电力工作的中低架自动取电装置。
背景技术
国内外各主要港口大型集装箱货场轮胎龙门吊 (RTG )均釆用柴油 发电机组作为动力, 虽转场灵活, 但柴油发电机组有效利用率 4艮低, 只 有 25%左右, 无功消耗很大、 油耗惊人、 噪声大、 环境污染大, 特别是 在能源紧张、 油价不断上涨形势下, 轮胎龙门吊的使用成本不断增加, 而电力的价格相对稳定, 成本低廉, 各大港口都在进行轮胎式集装箱起 重机的 "油改电,,, 釆用市电驱动轮胎式集装箱起重机作业, 实现降低营 运成本, 减少对大气的污染排放, 降低噪声的要求, 达到节约能源, 清 洁环境目的。
"油改电"的方式有多种: 高架滑触线、低架安全滑线、 电缆卷筒等, 高架滑触线方式对轮胎式集装箱起重机转场来说是最方便的, 但投入成 本很高; 低架安全滑线和电缆卷筒方式投入成本少, 但需要辅助人员帮 助转场, 效率低。
针对低架安全滑线和电缆卷筒供电方式无法避免的辅助作业量, 我 司投入大量人力, 进行研究开发, 推出一种中低压侧向自适应接触取电 装置, 适用中低架方式, 该取电装置无需辅助人工员, 达到自动、 高效、 安全, 且成本低。 发明内容
本发明的目的是针对上述现状, 旨在提供一种能自动收放, 操作简 便、 效率高、 总工程成本低, 无需人工辅助, 接电运行可靠稳定、 安全、 无污染的一种中低压侧向自适应接触取电装置。
本发明目的的实现方式为, 一种中低压侧向自适应接触取电装置, 在轮胎式集装箱起重机堆场箱区的盲道中心, 沿集装箱起重机行驶轨道 方向, 两端固定端立柱、 中间等间距布置多个中立柱, 作为支撑结构, 在立柱间布置上滑线支架、 下滑线支架以及光电检测板, 在上、 下滑线 支架上布置正负极供电滑触线, 供电滑触线的两端设置滑触线张紧装 置, 在轮胎式集装箱起重机下横梁侧前后两排安装自动对位取电装置的 底座、 驱动装置, 底座上装调节装置,
在底座上安装小象鼻梁、 大拉杆、 主臂架, 在小象鼻梁的头部连接 小拉杆, 在大拉杆的头部连接大象鼻梁,小象鼻梁、 大拉杆由连杆连接, 小象鼻梁、 连杆、 小拉杆、 大象鼻梁、 大拉杆、 主臂梁组成组合连杆机 构,各杆件之间釆用铰连接,铰点釆用滚动轴承,主臂架一端与底座铰连 接, 另一端与大象鼻梁铰接,
在轮胎式集装箱起重机上前、 后安装激光测距传感器, 光电检测板 与供电滑触线平行布置, 取电装置的取电弓板与小拉杆、 大象鼻梁间釆 用垂直铰及随动弹簧柔性连接,控制部分的 PLC控制及变频器驱动系统 与两侧的前、 后激光测距传感器和正负取电装置, 大车左、 右侧行走电 机连接, 右侧的前、 后激光测距传感器与光电检测板连接, 正、 负取电 装置分别与正、 负供电滑触线连接。 本发明不同于高架滑触线、 低压安全滑线、 电缆卷筒取电装置, 在 轮胎式集装箱起重机(RTG )堆场箱区的盲道中心, 沿 RTG行驶轨道 方向, 两端固定端立柱、 中间等间距布置多个中立柱, 作为供电滑触线 等装置的支撑结构, 在立柱间布置上滑线支架、 下滑线支架以及光电检 测板, 在上、 下滑线支架上布置正负极供电滑触线, 供电滑触线的两端 设置滑触线张紧装置, 在轮胎式集装箱起重机下横梁侧前后两排安装侧 向自适应接触取电装置、 驱动装置和调节装置。 通过光电检测板反射
RTG上激光测距传感器光信号自动导引 RTG大车左右行走纠偏。
本发明具有以下优点:
1 )取电装置侧向自适应性安全取电接触, 让取电弓板始终处于相 对垂直状态, 保证弓头滑板与供电滑触线的良好接面, 调节装置自动调 节接触压力,即使轮胎式集装箱起重机适度跑偏,接触取电也不受影响; 取电装置的取电弓板设计有緩冲减震弹簧, 保证 RTG行走时良好的自 适应性; 釆用取电绝缘子、 绝缘瓷瓶双重绝缘设计, 保证取电弓板与支 撑连杆金属间绝缘, 使用更为安全;
2 )低架供电滑触线两侧同时上电, 供两侧场区作业的两组 RTG取 电, 同时单侧箱区可多台轮胎式集装箱起重机作业取电, 满足箱区作业 的要求, 节约箱区空间和成本;
3 )釆用激光测距控制 RTG大车左右行走速度, 保持侧向自适应接 触取电装置与供电滑触线间距离在 L+AL 之内 (L 为固定值, △L≤200mm ), 实现自动纠偏; 在司机室内操作, 通过自动限位控制取 电装置的收放, 无需地面辅助人员, 高效、 安全;
4 )釆用中低压立柱, 相对于高架, 自重轻、 制作简单、 运输方便、 安装容易; 整体建造成本低, 同时由于立柱高度的降低, 基础承载的要 求也大为降低, 为高架的 1/20, 造价大为减少, 占用的场地时间短, 对 场地的影响少, 改造时效性好;
5 ) RTG釆用左右两侧、 正负共四套侧向自适应接触取电装置, 取 电装置可统一规格标准。 附图说明
图 la、 b是本发明结构主视图、 俯视图,
图 2是侧向自适应接触取电装置结构示意图,
图 3a、 b是驱动装置示意图,
图 4a、 b是调节装置示意图,
图 5是光电检测板导引 RTG大车行走自动纠偏控制示意图, 图 6、 7是装置控制与限位保护原理图。 具体实施方式
本发明由供电装置、 取电装置及控制部分组成。
供电装置包含立柱基础、 供电支撑、 供电滑触线、 滑触线张紧装置 组成。 取电装置包含支撑四连杆、 取电弓板、 随动弹簧、 取电绝缘、 绝 缘瓷瓶、 滑板, 驱动装置、 调节装置、 收放限位开关组成。 控制部分包 含激光测距传感器、 光电检测板、 收放限位开关、 RTG机上 PLC控制 及变频器驱动系统组成。
下面参照附图详述本发明。
参照图 la、 lb, 在轮胎式集装箱起重机堆场箱区的盲道中心, 沿轮 胎龙门起重机(RTG )行驶轨道方向, 两端固定端立柱 1、 中间等间距 布置多个中立柱 2, 作为供电滑触线 8的支撑结构。 在立柱间布置上滑 线支架 4、 下滑线支架 5以及光电检测板 3。 在上滑线支架 4、 下滑线支 架 5布置正、 负极供电滑触线 8, 供电滑触线 8的两端设置滑触线张紧 装置 6, 滑触线张紧装置 6与两端端立柱 1连接, 使供电滑触线 8呈直 线要求, 满足自适应接触取电装置 7的侧向接触要求。 供电滑触线 8釆 用双沟铜滑线, 并左右双侧、 垂直上下安装, 供两侧两组多台轮胎式集 装箱起重机同时取电。
参照图 2,在轮胎式集装箱起重机下横梁侧 17前后两排安装侧向自 适应接触取电装置 7的底座 18, 在底座 18上安装小象鼻梁 11、 大拉杆 19、 主臂架 20, 在小象鼻梁 11的头部连接小拉杆 12, 在大拉杆 19的 头部连接大象鼻梁 13 , 小象鼻梁 11、 大拉杆 19由连杆 11A连接, 小象 鼻梁 11、 连杆 11A、 小拉杆 12、 大象鼻梁 13、 大拉杆 19、 主臂梁 20 组成组合连杆机构。 各杆件之间釆用铰连接, 铰点釆用滚动轴承。 主臂 架 20—端与底座 18铰连接, 另一端与大象鼻梁 13铰接, 支撑组合连 杆收放。
小拉杆 12、 大象鼻梁 13右端设计成垂直安装轴孔, 之间用垂直铰 21连接, 垂直铰 21上安装取电绝缘子 14, 取电绝缘子 14上安装四个 绝缘瓷瓶 22, 经随动弹簧 15连接取电弓板 16, 垂直铰 21始终保持取 电弓板 16垂直。 两道绝缘保证取电弓板 16与金属支撑组合连杆绝缘, 取电安全。 取电弓板 16在侧向自适应接触取电装置 7放下时与供电滑 触线 8滑触取电。 随动弹簧 15釆用片簧结构, 使取电弓板 16与取电绝 缘子 14间有一定的柔性, 补偿震动位移。
参照图 3a、 3b, 侧向自适应接触取电装置 7由驱动装置 9驱动, 驱 动装置 9的制动器 9.1与卷筒 9.2、 减速器 9.3和电机 9.4通过轴连接, 制动器 9.1上装凸轮限位装置 9.7 , 卷筒 9.2上绕牵引钢丝绳 9.5 , 减速 器 9.3装在安装底座 9.6上。 启动电机, 卷筒 9.2缠绕牵引钢丝绳 9.5控 制凸轮限位装置 7的收放, 到达收、 放极限位置时, 凸轮限位装置 9.7 输出收、 放限位开关输出开关信号, 控制电机自动停止, 同时声光报警 指示。 声光报警电路为一般的电路。
参照图 4a、 b , 底座 18上装调节装置 10的连接耳板 10.1 , 调节螺 杆 10.3上有锁紧螺母 10.4, 连接耳板 10.1与调节螺杆 10.3间有拉抻弹 簧 10.2。 当侧向自适应接触取电装置 Ί放到位时, 调节装置 10由拉伸 弹簧与取电装置自重保持力矩平衡。 在侧向 ±300mm范围内自适应调节 伸缩力, 使取电滑板与供电滑触线接触, 保持 90 ~ 120N的稳定供电接 触压力。 调节装置 10通过铰轴 10.5与大拉杆连接, 调节锁紧螺杆 10.3 的位置, 用锁紧螺母 10.4锁紧,使取电弓板 16与供电滑触线 8接触保持 90 ~ 120N的稳定供电接触压力。
参照图 5 , 控制部分的 PLC控制及变频器驱动系统与两侧的前、 后 激光测距传感器和正负取电装置, 大车左、 右侧行走电机连接, 右侧的 前、 后激光测距传感器与光电检测板连接, 正、 负取电装置分别与正、 负供电滑触线连接。
光电检测板 3与正、 负供电滑触线 8平行布置, 取电装置取电的同 时,通过安装在轮胎式集装箱起重机(RTG )上前、 后激光测距传感器检 测与光电检测板距离 L+AL, 分别控制 RTG大车左右行走速度, 自动 进行纠偏,保持侧向自适应接触取电装置与供电滑触线间距离在 L+AL 之内, 式中 L为固定值, AL<200mm。 例如大车向前行走时, 当前激光 测距传感器检测 AL≥200mm、 后激光测距传感器检测 AL≤200mm, 激 光测距传感器信号输入给 PLC控制及变频驱动系统,控制大车左侧行走 电机速度略高于大车右侧行走电机速度 1 ~ 5%, 恢复距离 L+AL以内 后, 两侧速度一致。 大车向后行走时控制方式相同, 自动控制 RTG 大 车左右行走速度进行纠偏, 自动保持取电距离。
参照图 6、 图 7, 通过司机室内右侧选择开关 K2、 左侧选择开关 Κ3 来决定集装箱龙门起重机(RTG )右侧、 左侧的取电装置收放。 例 如通过 Κ2吸合选择右侧取电装置收放,通过司机室 PLC指令控制收放, 再通过继电器 K4和 K5控制收起和放下 , 收起和放下的动作是互逆 , 通过 KM5、 KM6进行互锁。 当选择 K5放下动作时, KM6吸合, 驱动 装置电机进入反转驱动状态, 经右侧选择开关 K2、 右侧反转 ΚΜ6、 右 侧正极放到位限位开关 K10控制 KM1吸合, 右侧正极取电装置开始放 下, 当到达极限位置时 K10断开, 右侧正极取电装置停止放动作, 取电 装置取电。 当选择 Κ4放下收起时, ΚΜ5吸合, 驱动装置电机进入正转 驱动状态, 经右侧选择开关 Κ2、 右侧正极放到位限位开关 Κ6、 右侧正 转 ΚΜ5控制 KM1吸合,右侧正极取电装置开始收起, 当到达收极限位 置时 Κ6断开, 右侧正极取电装置停止收起动作。 右侧负极取电装置与 右侧正极取电装置是同时下放的, 控制原理相同。
当轮胎式集装箱起重机(RTG ) 需要转场时, 右侧的取电装置需收 起才能转场, 进入另一侧后, 要求通过左侧取电, 通过 Κ 3吸合选择左 侧取电装置收放, 其收放控制原理与上述右侧相同。

Claims

权 利 要 求 书
1、 一种中低压侧向自适应接触取电装置, 其特征在于在轮胎式集装箱 起重机堆场箱区的盲道中心, 沿集装箱起重机行驶轨道方向, 两端固定端立 柱、中间等间距布置多个中立柱,作为支撑结构,在立柱间布置上滑线支架、 下滑线支架以及光电检测板, 在上、 下滑线支架上布置正负极供电滑触线, 供电滑触线的两端设置滑触线张紧装置,在轮胎式集装箱起重机下横梁侧前 后两排安装自动对位取电装置的底座、 驱动装置, 底座上装调节装置。
在底座上安装小象鼻梁、 大拉杆、 主臂架, 在小象鼻梁的头部连接小拉 杆,在大拉杆的头部连接大象鼻梁,小象鼻梁、 大拉杆由连杆连接,小象鼻梁、 连杆、 小拉杆、 大象鼻梁、 大拉杆、 主臂梁组成组合连杆机构, 各杆件之间 釆用铰连接, 铰点釆用滚动轴承,主臂架一端与底座铰连接, 另一端与大象 鼻梁铰接,
在轮胎式集装箱起重机上前、后安装激光测距传感器, 光电检测板与供 电滑触线平行布置,取电装置的取电弓板与小拉杆、 大象鼻梁间釆用垂直铰 及随动弹簧柔性连接,控制部分的 PLC控制及变频器驱动系统与两侧的前、 后激光测距传感器和正负取电装置,大车左、右侧行走电机连接,右侧的前、 后激光测距传感器与光电检测板连接, 正、 负取电装置分别与正、 负供电滑 触线连接。
2、 根据权利要求 1所述的一种中低压侧向自适应接触取电装置, 其特 征在于小拉杆(12 )、 大象鼻梁(13 )右端用垂直铰(21 )连接, 垂直铰(21 ) 上安装取电绝缘子 (14 ), 取电绝缘子(14 )上安装四个绝缘瓷瓶(22 )。
3、 根据权利要求 1所述的一种低架侧向自适应接触取电装置, 其特征 在于驱动装置( 9 )的制动器 (9.1 )与卷筒( 9.2 )、减速器( 9.3 )和电机( 9.4 ) 通过轴连接, 制动器(9.1 )上装凸轮限位装置 (9.7), 卷筒 (9.2)上绕牵 引钢丝绳(9.5), 减速器(9.3)装在安装底座(9.6)上。
4、 根据权利要求 1所述的一种中低压侧向自适应接触取电装置, 其特 征在于底座( 18 )上装调节装置( 10 )的连接耳板( 10.1 ), 调节螺杆( 10.3 ) 上有锁紧螺母( 10.4), 连接耳板( 10.1 )与调节螺杆( 10.3 ) 间有拉抻弹簧
( 10.2)。
5、 根据权利要求 1所述的一种中低压侧向自适应接触取电装置, 其特 征在于供电滑触线 (8)釆用双沟铜滑线, 并左右双侧、 垂直上下安装。
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