Stable-output marine valve actuator

Abstract

The utility model relates to the technical field of die-cutting machines, in particular to a marine valve actuator with stable output, which comprises a valve body and further comprises a rotating shaft arranged in a cavity groove of the valve body. The two spacing plates are arranged on the two sides of the rotating shaft, the spacing plates and the wall of the cavity groove form a sealing structure, different media or pressure areas are isolated, and the media are prevented from leaking or being mixed with each other; the driving assembly is arranged on the valve body and used for driving the angle of the two spacing plates on the rotating shaft; the controller is arranged on the valve body and used for receiving a signal from a ship control system, accurately controlling the driving component and achieving opening adjustment of the valve, rotating teeth of the motor are connected with tooth cavities of the rotating shaft in an embedded mode, the rotating teeth of the motor and the rotating shaft of the valve can be tightly meshed through the embedded connection, and therefore the opening degree of the valve can be adjusted. Vibration and impact in the ship running process can be effectively resisted, compared with traditional coupling connection, the loosening risk is greatly reduced, and the long-term stability of connection is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to marine valve control device technical field, concretely is a kind of marine valve actuator of stable output. BACKGROUND

[0002] Marine valve actuator of stable output is a kind of device for controlling ship valve opening and closing, can provide stable, reliable power output for the operation of valve under various operating conditions, ensure that valve accurately acts according to set requirement, to guarantee the normal operation of ship pipeline system.

[0003] At present, in marine valve actuator on the market, electric marine valve actuator, pneumatic marine valve actuator are generally used, among them, electric marine valve actuator is generally connected using coupling, and during the operation of ship, due to vibration, impact and other factors, the connecting piece such as bolt of coupling can be loose, leading to connection failure or deviation of the coaxiality of motor and valve shaft, therefore, the utility model provides a kind of marine valve actuator of stable output to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of marine valve actuator of stable output to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of marine valve actuator of stable output, including valve body, further comprising: shaft, its shaft is located in the cavity slot of valve body;

[0006] Two interval plates are arranged on the two sides of shaft, and the interval plate and the cavity slot wall form a sealed structure, which isolates different medium or pressure areas, prevents medium leakage or mutual mixing;

[0007] Driving assembly is arranged on valve body, for driving the angle of two interval plates on shaft;

[0008] Controller is arranged on valve body, for receiving signal from ship control system, accurately controls driving component, realizes the opening degree regulation of valve.

[0009] Preferably, the driving assembly includes a control member, the control member output end is provided with a rotating gear, the shaft end portion is formed with a connecting cavity, and the control member output end rotating gear is connected with the connecting cavity formed at the shaft end portion.

[0010] Preferably, the control member is a motor, the rotating gear of the control member output end is matched with the connecting cavity formed at the shaft end portion, and the two are embeddedly connected.

[0011] Preferably, the control piece is adapted to be mounted in a protective shell, the protective shell is provided in a cylindrical structure, and the protective shell is detachably mounted on the shell of the controller through a plurality of groups of connecting bolts.

[0012] Preferably, positioning perforations are reserved on the rotating shaft and the two spacing plates, and the rotating shaft and the two spacing plates are connected through connecting plates and positioning bolts.

[0013] Preferably, support legs are symmetrically arranged at the bottom of the valve body, and the support legs can be used to facilitate vertical placement of the valve body.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] Through the embedded connection of the rotating teeth of the motor and the tooth cavity of the rotating shaft, the motor rotating teeth and the valve rotating shaft are tightly engaged through the embedded connection, the vibration and impact in the running of the ship can be effectively resisted, compared with the traditional shaft coupling connection, the loosening risk is greatly reduced, the long-term stability of the connection is ensured, and the valve can also reliably run in complex sea conditions. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole first state structure schematic view of the utility model.

[0017] Figure 2 It is a whole second state structure schematic view of the utility model.

[0018] Figure 3 It is a control piece and rotating shaft connection structure schematic view of the utility model.

[0019] Figure 4 It is a rotating shaft and spacing plate connection structure schematic view of the utility model.

[0020] In the drawing: 100, valve body; 101, support leg; 200, controller; 300, driving assembly; 301, control piece; 302, rotating tooth; 303, rotating shaft; 304, connecting cavity; 305, spacing plate; 306, connecting plate; 307, positioning bolt; 400, protective shell. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1 to 4The utility model provides a kind of technical scheme: a stable output marine valve actuator, including valve body 100, further include: rotating shaft 303, its rotating shaft 303 is located in the cavity groove of valve body 100;Two interval plates 305, setting in rotating shaft 303 both sides, interval plate 305 and cavity groove wall form sealing structure, different medium or pressure area is isolated, prevent medium leakage or mutual mixing;Driving assembly 300, it is set on valve body 100, the angle of two interval plates 305 on rotating shaft 303 can be driven by control piece 301 in driving assembly 300;Controller 200, controller 200 is installed on valve body 100 by shell, it is explained here, controller 200 controls driving assembly 300 by programming integrated technology, it is not described in detail here, by controller 200 for receiving signal from ship control system, driving assembly 300 can be accurately controlled, realize the opening degree regulation of valve.

[0023] Please refer to Figure 2 And Figure 3 It is understood that driving assembly 300 includes control piece 301, control piece 301 output end is equipped with rotating tooth 302, rotating shaft 303 end is formed with connecting cavity 304, control piece 301 is connected with the connecting cavity 304 formed in the end of rotating shaft 303 through the rotating tooth 302 of output end, wherein the embedded connection of rotating tooth 302 and connecting cavity 304 makes the power output by control piece 301 can be directly and efficiently transmitted to rotating shaft 303, compared with the mode of power transmission through intermediate link such as coupling, reduce the loss of energy in transmission process, improve transmission efficiency, ensure that valve can respond to control instruction more quickly.

[0024] Please refer to Figures 1-3 It is understood that control piece 301 is electric motor, the rotating tooth 302 of control piece 301 output end is adapted to the connecting cavity 304 formed in the end of rotating shaft 303, and the two are embeddedly connected, control piece 301 is adapted to be installed in protective shell 400, protective shell 400 is provided with cylindrical structure, protective shell 400 is detachably installed on the shell of controller 200 by a plurality of groups of connecting bolts, it is explained here, protective shell 400 completely wraps control piece 301 inside, and protective shell 400 is sealedly installed between control piece 301 and controller 200 by the cooperation of sealing ring, so as to effectively prevent moisture from invading the inside of control piece 301, prevent control piece 301 from short circuit due to damp, avoid electrical fault.

[0025] Please refer to Figures 3-4It is understood that positioning holes are reserved on the rotating shaft 303 and the two spacing plates 305, and the rotating shaft 303 and the two spacing plates 305 are connected with the positioning pins 307 through the connecting plates 306, so that when a component is damaged or needs to be maintained, the component can be conveniently separated from the whole structure for individual maintenance or replacement by disassembling the positioning pins 307.

[0026] Please refer to Figure 1 It is understood that the valve body 100 is symmetrically provided with support legs 101 at the bottom, which can be used for conveniently vertically placing the valve body 100.

[0027] In actual use, the ship control system sends a signal to the controller 200 according to actual needs, the controller 200 analyzes and processes the signal by using internal programming integration technology to determine the specific action that needs to be performed by the driving assembly 300, at this time, the controller 200 sends an instruction to the control piece 301 in the driving assembly 300 according to the processed signal, and drives the rotating gear 302 at the output end to rotate through the control piece 301, since the connecting cavity 304 at the end of the rotating gear 302 is embeddedly connected, the rotation of the control piece 301 can be accurately and efficiently transmitted to the rotating shaft 303 to drive the rotating shaft 303 to rotate, and the rotation of the rotating shaft 303 drives the two spacing plates 305 arranged on both sides thereof to rotate, since the spacing plates 305 form a sealed structure with the cavity groove wall, when the spacing plates 305 rotate, the relative position between the spacing plates 305 and the cavity groove wall is changed, so that the opening degree of the valve is adjusted.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A marine valve actuator with stable output, comprising a valve body, characterized in that, Also include: The rotating shaft is arranged in the valve body cavity slot; Two interval plates are arranged on both sides of the rotating shaft, and the interval plates form a sealing structure with the cavity slot wall to isolate different medium or pressure areas and prevent medium leakage or mutual mixing; A driving assembly is arranged on the valve body to drive the angle of the two interval plates on the rotating shaft; A controller is arranged on the valve body to receive signals from the ship control system and accurately control the driving component to achieve valve opening adjustment.

2. A marine valve actuator with stable output according to claim 1, characterized in that: The driving assembly includes a control member, the output end of the control member is provided with a rotating gear, the end of the rotating shaft is formed with a connecting cavity, and the control member is connected with the connecting cavity formed at the end of the rotating shaft through the rotating gear at the output end.

3. A marine valve actuator with stable output according to claim 2, characterized in that: The control member is a motor, the rotating gear at the output end of the control member is matched with the connecting cavity formed at the end of the rotating shaft, and the two are embeddedly connected.

4. The marine valve actuator with stable output according to claim 2, characterized in that: The control member is adaptively installed in a protective shell, the protective shell is in a cylindrical structure, and the protective shell is detachably installed on the shell of the controller through a plurality of groups of connecting bolts.

5. The marine valve actuator with stable output according to claim 3, characterized in that: Positioning perforations are reserved on the rotating shaft and the two interval plates, and the rotating shaft and the two interval plates are connected with positioning bolts through a connecting plate.

6. The stable output marine valve actuator according to claim 1, wherein: Symmetrical support legs are arranged at the bottom of the valve body, and the support legs can be used for conveniently vertically placing the valve body.

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