WO2017166532A1 - 一种机电联动液控闸阀驱动器 - Google Patents

一种机电联动液控闸阀驱动器 Download PDF

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Publication number
WO2017166532A1
WO2017166532A1 PCT/CN2016/089716 CN2016089716W WO2017166532A1 WO 2017166532 A1 WO2017166532 A1 WO 2017166532A1 CN 2016089716 W CN2016089716 W CN 2016089716W WO 2017166532 A1 WO2017166532 A1 WO 2017166532A1
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WO
WIPO (PCT)
Prior art keywords
gate valve
control gate
hydraulic control
gear
hand
Prior art date
Application number
PCT/CN2016/089716
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English (en)
French (fr)
Inventor
寇子明
高贵军
寇彦飞
崔功军
张静
秦豪
孟思佳
刘晶
赵亮吉
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太原理工大学
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Publication date
Application filed by 太原理工大学 filed Critical 太原理工大学
Publication of WO2017166532A1 publication Critical patent/WO2017166532A1/zh
Priority to US16/133,430 priority Critical patent/US10330213B2/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/05—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • F15B11/032—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of fluid-pressure converters
    • F15B11/0325—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of fluid-pressure converters the fluid-pressure converter increasing the working force after an approach stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/025—Pressure reducing valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/02—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member
    • F15B15/06—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement
    • F15B15/065—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement the motor being of the rack-and-pinion type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/088—Characterised by the construction of the motor unit the motor using combined actuation, e.g. electric and fluid actuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/0254—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor being operated by particular means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
    • F16K31/143—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves the fluid acting on a piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement

Definitions

  • the invention relates to an electric hydraulic control gate valve driver, in particular to a mechanical transmission and hydraulic control for an electrohydraulic gate valve driving device under a mine.
  • Mine drainage system is an important part of mine safety production.
  • the drainage system usually uses centrifugal water pump, and the gate valve is an indispensable component of this system.
  • the traditional electro-hydraulic gate valve drive device is mainly composed of a motor, a hydraulic cylinder, a hydraulic pump and a hydraulic valve.
  • the electro-hydraulic gate valve driving device of this structure will have the following problems in the application process: First, the emergency opening and closing function is poor, for example, in the case of overhaul or sudden power failure, it cannot work normally; second, the gate valve is opened and closed. The speed is inconvenient to adjust independently, and water hammer is prone to occur.
  • a hydraulic controllable gate valve disclosed in CN200510048257, which uses a hydraulic motor to drive a rotary motion of a lead screw to open and close a valve, but is still a conventional output rotary motion, not a direct push output, and no emergency function is provided. It is impossible to realize the two-way speed regulation of opening and closing.
  • the gate valve electro-hydraulic drive system includes a motor, a hydraulic pump, an integrated control valve, an accumulator execution cylinder and a hydraulic oil tank.
  • the utility model adopts a manual pump for manual control. Although the system is provided with an emergency shut-off function, the two-way speed regulation of the gate valve opening and closing cannot be realized.
  • the present invention provides an electromechanical linkage hydraulic control gate valve actuator.
  • An electromechanical linkage hydraulic control gate valve driver comprises an explosion-proof motor, a hydraulic control gate valve and an actuator frame; the utility model is characterized in that: a hand crank speed increasing box assembly is added, and the sun gear and the explosion-proofing of the speed increasing box assembly are manually The shaft of the motor is connected; a two-way throttle valve is added, which is installed in the lower part of the actuator frame, and one end is connected with a hydraulic cylinder; the other end is connected with a hydraulically controlled check valve.
  • the hand crankbox assembly is provided with a shaft connection of a sun gear and an explosion-proof motor on a center line of one end of the planet carrier body, and a handle connected to the center line of the other end through a bearing II; symmetrical on both sides of the planet carrier body Planetary gears are provided and meshed with the internal gears fixed to the crankcase housing through the two planet gear shafts.
  • the two sides are symmetrically arranged with the planetary gears revolving around the center line of the internal gears and rotating around the star gear shaft.
  • the number of teeth of the two planetary gears, the sun gear, the two planetary gear shafts, and the internal gear are 29, 10, 8, and 48, respectively, and the modulus is 2.
  • the speed increase ratio of the hand crankbox assembly is 18.5.
  • the speed at which the gate valve opens and closes is controlled by a two-way throttle valve.
  • the invention provides an electromechanical linkage hydraulic control gate valve driver provided by the above invention, which solves the problem that the existing electrohydraulic gate valve can work normally under emergency conditions such as maintenance and power failure, and also solves the problem that the existing electrohydraulic gate valve is opened and
  • the problem of speed regulation cannot be separately adjusted when closing;
  • the compact hand crank gearbox is connected with the motor, the structure is compact, the operation is simple and reliable;
  • the two-way throttle valve is built in the lower part of the actuator frame, and the opening and closing are respectively adjusted.
  • the structure effectively avoids the phenomenon of water hammer in the hydraulic control gate valve, and further improves the safety and stability of the gate valve application.
  • Figure 1 is a schematic view showing the entire structure of the present invention.
  • FIG. 2 is an enlarged view showing the connection of the speed increasing box assembly and the explosion proof motor of the present invention.
  • Figure 3 is a partial enlarged view of the two-way throttle valve of the present invention
  • Figure 4 is a schematic view showing the structure of the hand crankbox of the present invention.
  • Fig. 5 is a schematic view showing the transmission structure of the hand crankbox of the present invention.
  • Figure 6 is a schematic diagram of a hydraulic system of the present invention.
  • 1 hydraulic control gate valve
  • 2 explosion-proof motor
  • 3 actuator frame
  • 4 hand cranking gearbox assembly
  • 5 two-way throttle valve
  • 6 hand cranking gearbox housing
  • Bearing I skeleton oil seal
  • 9 bearing II
  • 10 planet carrier
  • 11 planetary gear
  • 12 planetary gear shaft
  • 13 planet carrier plate
  • 14 stop ring
  • 15 shaft retaining ring
  • 20 countersunk head screw
  • 21 cushion cover.
  • the actuator frame 3, the hand cranking gear assembly 4 and the two-way throttle valve 5 are configured to connect the hand cranking gearbox assembly 4 and the explosion-proof motor 2 through the hexagon socket screw 19, and the hand crank is increased.
  • the speed box assembly 4 includes a hand crankbox housing 6, a bearing I7, a skeleton oil seal 8, a bearing II9, a planet carrier 10, a planetary gear 11, a planetary gear shaft 12, a planet carrier plate 13, a stop ring 14, a shaft
  • the retaining ring 15, the key 16, the sun gear 17, the internal gear 18, the hexagon socket screw 19, the countersunk screw 20 and the cushion cover 21 are used.
  • crank gearbox assembly 4 is provided with a sun gear 17 fixedly connected to the shaft of the explosion-proof motor 2 on the center line of one end of the planet carrier body 10, and a handle fixedly connected to the center line of the other end through the bearing II9;
  • Planetary gears 11 are symmetrically disposed on both sides of the carrier body 10, and are meshed with the internal gears 18 fixed to the crankcase box 6 through the two planet gear shafts 12.
  • the lower portion of the actuator frame 3 is provided with a two-way throttle valve 5, as shown in Fig. 3 and Fig. 6, the two-way throttle valve 5 is connected with a hydraulic cylinder at one end and a hydraulic control at the other end.
  • the one-way valve can adjust the opening and closing speed of the hydraulic control gate valve during operation.
  • the opening and closing time is more than 60 seconds, which effectively eliminates the occurrence of water hammer accidents in two states.
  • the hand crankbox assembly 1 begins to participate in operation when the pilot valve is in a de-energized condition.
  • the planet carrier 10 is rotated, and then the planetary gear shaft 12 is rotated, the internal gear 18 is not rotated, the planetary gear shaft 12 is rotated to drive the coaxial planetary gear 11, and then the sun gear 17 is driven, and the speed increase ratio is adjusted to 18.5, the structure of the manual gearbox assembly 4 of the planetary gear 11 has the characteristics of less transmission stages, high efficiency, coaxial output and input, and large transmission ratio.
  • the electromechanical linkage hydraulic control gate valve driver of the above-mentioned implementation of the present invention is mainly for the occasions where the pipeline liquid of coal mine underground, large-scale factory, petrochemical industry and the like need to be controlled, especially in the emergency situation such as maintenance and power failure, the electro-hydraulic gate valve is required to be stable. Open and close occasions.
  • crankcase assembly 4 begins to participate in the operation.
  • the planet carrier 10 is rotated, and then the planetary gear shaft 12 is rotated, the internal gear 18 is not rotated, the planetary gear shaft 12 is rotated to drive the coaxial planetary gear 11, and then the sun gear 17 is driven, and finally the sun gear 17 is driven.
  • Rotate with the motor shaft to drive the explosion-proof motor 2 in a hand-cranked manner.
  • the two-way throttle valve 5 can separately control the opening and closing states of the electro-hydraulic gate valve.
  • the speed makes the opening and closing time of the electro-hydraulic gate valve more than 60 seconds, thus effectively eliminating the two
  • the water hammer phenomenon occurs in the state, the small orifice throttle valve core of the two-way throttle valve is replaceable, and the apertures are different, corresponding to different speeds, so the operation mode is to adjust the speed by replacing different small orifice throttle spools. .
  • the parameter characteristics of the ZDYF-DN200 electro-hydraulic gate valve are as follows: the valve valve parameters are valve body diameter 200mm, rated pressure 12MP, rated power 0.37kW, opening and closing stroke 180mm, motor speed 1380rpm, hand crank increase
  • the speed box parameters (see Figure 5) are gear module number 2, planetary gear teeth number 29, sun gear teeth number 10, internal gear teeth number 48, planetary gear shaft teeth number 8, and 18.5 speed increase through the first gear. ratio.
  • pipe water pressure is 4.5MPa
  • the motor can be rotated 18.5 rpm, and the hydraulic system is further driven to move the piston rod by 1.73mm, completing the entire valve closing operation time.
  • the rocking speed is fast, the opening and closing time is shortened, the rocking speed is slow, and the opening and closing time can be extended. Therefore, it is also beneficial to prevent the water hammer phenomenon from occurring under the power failure emergency condition. .

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

一种机电联动液控闸阀驱动器，包括防爆电机（2）、液控闸阀（1）及执行器机架（3），并增设有手摇增速箱总成（4）和双向节流阀（5）。上述驱动器可以通过手摇增速箱的方式，在检修和断电等的应急工况下驱动电机，从而控制闸阀的启闭；同时液压系统采用双向节流技术对开启和关闭两种状态分别进行速度调节，可以有效消除水锤。

Description

一种机电联动液控闸阀驱动器 技术领域
本发明涉及一种电动液控闸阀驱动器，特别是一种机械传动和液压控制的用于矿井下的电液闸阀驱动装置。
背景技术
矿井排水系统是矿井安全生产的重要组成部分，排水系统通常采用离心式水泵，闸阀是这种系统中必不可少的元件。传统的电液闸阀驱动装置主要由电机、液压缸，液压泵和液压阀组成。这种结构组成的电液闸阀驱动装置在应用过程中会出现以下问题：一是应急启闭功能差，例如在检修或遇到突发断电的情况，不能正常工作；二是闸阀开启和关闭速度不便自主调节，容易发生水锤现象。
如公开号为CN200510048257公开的一种《液压可控闸阀》，该闸阀采用液压马达驱动丝杠旋转运动来开闭阀门，但仍然为传统的输出旋转运动，不是直推式输出，未设置应急功能，不能实现启闭双向调速。
再如公开号为CN204828870U公开的《一种具有应急关阀功能的闸阀电液驱动系统及闸阀》，该闸阀电液驱动系统包括电机、液压泵、集成控制阀、蓄能器执行油缸和液压油箱构成，采用手动泵进行手动控制，该系统虽然设置有应急关阀功能，但仍不能实现闸阀启闭双向调速。
因此，设计一种能够用于应急突发工况的，结构紧凑，能够通过开启和关闭双向调速来消除水锤的闸阀驱动器显得尤为重要。
发明内容
基于上述现有技术存在的具体技术问题，本发明提供一种机电联动液控闸阀驱动器。
上述所提供的一种机电联动液控闸阀驱动器的具体的技术方案如下。
一种机电联动液控闸阀驱动器，包括有防爆电机，液控闸阀及执行器机架；其特征在于：增设有手摇增速箱总成，通过手摇增速箱总成的太阳齿轮与防爆电机的轴连接；增设有双向节流阀，安装于执行器机架的下部内，一端连通有液压油缸；另一端连通有液控单向阀。
所述手摇增速箱总成是在行星架体的一端中心线上设置有太阳齿轮与防爆电机的轴连接，另一端中心线上通过轴承Ⅱ连接有手柄；在行星架体的两侧对称 设置有行星齿轮，并通过两个行星齿轮轴与固定在手摇增速箱壳体的内齿轮啮合。
在上述技术方案中，进一步的技术特征如下。
所述两侧对称设置有行星齿轮是绕内齿轮的中心线公转，绕星齿轮轴自转。
所述两个行星齿轮、太阳齿轮、两个行星齿轮轴及内齿轮的齿数分别是29、10、8及48，模数均为2。
所述手摇增速箱总成的增速比是18.5。
所述闸阀打开和关闭的速度是通过双向节流阀调节控制。
实现本发明上述所提供的一种机电联动液控闸阀驱动器，解决了现有电液闸阀在检修和断电等应急工况下能正常工作的问题，也解决了现有电液闸阀在开启和关闭时不能分别调速的问题；将小型手摇增速箱与电机连接在一起，结构紧凑，操作简单可靠；在执行器机架的下部内置有双向节流阀，实现了打开和关闭分别调速；该结构有效地避免了液控闸阀发生水锤的现象，进一步提高了闸阀应用的安全性和稳定性。
附图说明
图1是本发明的整体结构示意图。
图2是本发明的增速箱总成与防爆电机连接放大图。
图3是本发明的双向节流阀的局部放大图
图4是本发明的手摇增速箱的结构示意图。
图5是本发明的手摇增速箱的传动结构示意图。
图6是本发明的液压系统原理图。
图中：1：液控闸阀；2：防爆电机；3：执行器机架；4：手摇增速箱总成；5：双向节流阀；6：手摇增速箱壳体；7：轴承Ⅰ；8：骨架油封；9：轴承Ⅱ；10：行星架体；11：行星齿轮；12：行星齿轮轴；13：行星架板；14：止动环；15：轴用挡圈；16：键；17：太阳齿轮18：内齿轮；19内六角螺钉；20：沉头螺钉；21：垫套。
具体实施方式
下面结合附图对本发明的具体实施方式作出进一步的说明。
实施一种机电联动液控闸阀驱动器，该驱动器包括液控闸阀1，防爆电机2， 执行器机架3，手摇增速箱总成4和双向节流阀5，其构成是将该手摇增速箱总成4与防爆电机2通过内六角螺钉19连接固定，其手摇增速箱总成4包括手摇增速箱壳体6，轴承Ⅰ7，骨架油封8，轴承Ⅱ9，行星架体10，行星齿轮11，行星齿轮轴12，行星架板13，止动环14，轴用挡圈15，键16，太阳齿轮17，内齿轮18，内六角螺钉19，沉头螺钉20和垫套21。其中，该手摇增速箱总成4是在行星架体10的一端中心线上设置有太阳齿轮17与防爆电机2的轴固定连接，另一端中心线上通过轴承Ⅱ9固定连接有手柄；在行星架体10的两侧对称设置有行星齿轮11，并通过两个行星齿轮轴12与固定在手摇增速箱壳体6的内齿轮18啮合。
在上述实施方案中，执行器机架3的下部内装有双向节流阀5，如附图3和附图6所示，该双向节流阀5一端连通有液压油缸，另一端连通有液控单向阀，在工作时，该驱动器能够调节液控闸阀的打开和关闭速度，打开和关闭时间均大于60秒，有效地消除了两种状态下水锤事故的发生。
在上述实施方案中，当液控闸阀处于断电情况下，手摇增速箱总成1开始参与运行。通过转动手摇柄，使得行星架体10转动，然后带动行星齿轮轴12转动，内齿轮18不转，行星齿转轴12转动带动同轴行星齿轮11，而后驱动太阳齿轮17，增速比调为18.5即可，该行星齿轮11的手摇增速箱总成4的结构具有传动级数少，效率高，输出输入同轴，传动比大的特点。
本发明上述实施的一种机电联动液控闸阀驱动器，主要目的是针对煤矿井下、大型工厂、石油化工等管道液体需要控制的场合，特别是在维修、断电等应急情况下需要电液闸阀稳定打开与关闭的场合。
上述实施的一种机电联动液控闸阀驱动器的实现方法如下。
如附图1至附图5所示，当处于断电的情况下，手摇增速箱总成4开始参与运行。通过转动手摇柄，使得行星架体10转动，然后带动行星齿轮轴12转动，内齿轮18不转，行星齿转轴12转动带动同轴的行星齿轮11，而后驱动太阳齿轮17，最终太阳齿轮17同电机轴一起转动，实现手摇方式驱动防爆电机2。
在电液闸阀的工作状态中，开启和关闭电液闸阀时均会产生水锤现象，但关闭时更严重，在双向节流阀5能够对电液闸阀的打开和关闭两种状态分别进行控制速度，使得电液闸阀的打开和关闭时间均大于60秒，从而有效地消除了两种 状态下的水锤现象发生，该双向节流阀中小孔节流阀芯是可更换的，孔径不同，对应不同的速度，因此操作方式为通过更换不同的小孔节流阀芯来调节速度。
本发明专利中，针对ZDYF-DN200型电液闸阀的参数特点作如下说明：闸阀参数为阀体管径200mm，额定压力12MP,额定功率0.37kW，启闭行程180mm，电机转速1380rpm，手摇增速箱参数(见图5)为齿轮模数均为2，行星齿轮齿数为29，太阳齿轮齿数为10，内齿轮齿数为48，行星齿轮轴齿数为8，通过一级传动达到18.5的增速比。在样机测试中(管道水压为4.5MPa)，当手摇达到每秒1转的速度时，可以带动电机转动18.5转，进一步驱动液压系统使得活塞杆移动1.73mm，完成整个关阀操作所用时间为104秒，并且速度可以根据手摇力随时调节，摇速快，启闭时间缩短，摇速慢，启闭时间可以延长，因此在断电应急工况下同样有利于防止水锤现象的发生。

Claims (5)

  1. 一种机电联动液控闸阀驱动器，包括有防爆电机，液控闸阀及执行器机架；其特征在于：增设有手摇增速箱总成(4]，通过手摇增速箱总成[4]的太阳齿轮[17]与防爆电机[2]的轴连接；增设有双向节流阀[5]，安装于执行器机架[3]的下部内，一端连通有液压油缸；另一端连通有液控单向阀；
    所述手摇增速箱总成[4]是在行星架体[10]的一端中心线上设置有太阳齿轮[17]与防爆电机[2]的轴连接，另一端中心线上通过轴承Ⅱ[9]连接有手柄；在行星架体[10]的两侧对称设置有行星齿轮[11]，并通过两个行星齿轮轴[12]与固定在手摇增速箱壳体[6]的内齿轮[18]啮合。
  2. 根据权利要求1所述的机电联动液控闸阀驱动器，其特征在于：所述两侧对称设置有行星齿轮[11]是绕内齿轮[18]的中心线公转，绕星齿轮轴[12]自转。
  3. 根据权利要求1所述的机电联动液控闸阀驱动器，其特征在于：所述两个行星齿轮[11]、太阳齿轮[17]、两个行星齿轮轴[12]及内齿轮[18]的齿数分别是29、10、8及48，模数均为2。
  4. 据权利要求1所述的机电联动液控闸阀驱动器，其特征在于：所述手摇增速箱总成[4]的增速比是18.5。
  5. 据权利要求1所述的机电联动液控闸阀驱动器，其特征在于：所述闸阀打开和关闭的速度是通过双向节流阀[5]调节控制。
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