Electrically-controlled pressure adjusting device

Abstract

The utility model discloses an electrically-controlled pressure adjusting device which comprises an anti-explosion electric actuator, a support is installed at the bottom of the anti-explosion electric actuator, a valve body is installed at the bottom of the support, a spring is installed in the support, a length-adjustable air cylinder is arranged at the top of the spring, and the length-adjustable air cylinder is arranged at the bottom of the valve body. The output end of the length-adjustable air cylinder is connected with an adjusting nut, and the adjusting nut is connected with the anti-explosion electric actuator. Advantages of pneumatic control adjustment and electric control adjustment are combined, system pressure is rapidly adjusted through pneumatic control, system pressure is accurately adjusted through electric control, and pipeline system pressure can be rapidly and accurately adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil filling equipment technical field, concretely is a kind of electrical control pressure regulating device. BACKGROUND

[0002] In current multi-pipe oil filling equipment, pressure regulating device is arranged in pipeline to regulate pipeline system pressure. General pressure regulating device is divided into manual, gas control, electric pressure regulating type, and the precision of manual regulation is very high, but it is generally used as auxiliary regulation in automation system. The speed of gas control regulation is very rapid, but it can only be regulated at fixed gear, and cannot be accurately regulated. The accuracy of electric control regulation is very high, but the regulation time is relatively long. SUMMARY

[0003] The utility model discloses an electrical control pressure regulating device to solve the problems in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: an electrical control pressure regulating device, including explosion -proof electric actuator, the bottom of explosion -proof electric actuator is installed with support, and the bottom of support is installed with valve body, the support is installed with spring, and the top of spring is provided with length adjustable air cylinder, the output end of length adjustable air cylinder is connected with adjusting nut, and adjusting nut is connected with explosion -proof electric actuator.

[0005] Preferably, the bottom of length adjustable air cylinder is installed with gasket, and the gasket is installed on the top of spring.

[0006] Preferably, the top center position of support is provided with through -hole, and adjusting nut is arranged in through -hole.

[0007] Preferably, the explosion -proof electric actuator is connected with 24V direct current power supply.

[0008] Compared with prior art, the utility model has the beneficial effects that:

[0009] Explosion -proof electric actuator is precision small -size angle execution mechanism, 24V direct current power supply is used as driving power supply, 4-20mA is used as control signal, is suitable for controlling 0 °-360 ° rotating mechanism, is integrated with position feedback, servo amplification, has program setting upper limit, electronic brake, error fault code prompt, manual auxiliary operation and other functions.

[0010] The utility model combines the advantages of gas control regulation and electric control regulation, regulates system pressure quickly by gas control, and accurately regulates system pressure by electric control, so that pipeline system pressure can be regulated quickly and accurately. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1It is a structure schematic view of the utility model.

[0012] Fig. 2 It is a structure schematic view of the utility model explosion-proof electric actuator.

[0013] Fig. 3 It is a structure schematic view of the utility model length-adjustable cylinder.

[0014] In the drawing: 1, explosion-proof electric actuator;2, adjusting nut;3, length-adjustable cylinder;4, spring;5, valve body;6, support;7, gasket. DETAILED DESCRIPTION

[0015] 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.

[0016] Please refer to Figs. 1-3 The utility model provides a technical scheme: an electrical control pressure regulating device, including explosion-proof electric actuator 1, the bottom of explosion-proof electric actuator 1 is installed with support 6, and the bottom of support 6 is installed with valve body 5, spring 4 is installed in support 6, and the top of spring 4 is provided with length-adjustable cylinder 3, the output end of length-adjustable cylinder 3 is connected with adjusting nut 2, and adjusting nut 2 is connected with explosion-proof electric actuator 1.

[0017] In the utility model, the bottom of length-adjustable cylinder 3 is installed with gasket 7, and gasket 7 is installed on the top of spring 4.

[0018] In the utility model, the top center position of support 6 is provided with through hole, and adjusting nut 2 is arranged in the through hole.

[0019] In the utility model, explosion-proof electric actuator 1 is connected with 24V direct current power supply, takes 4-20mA as control signal, is suitable for controlling 0°-360° rotating mechanism, and is integrated with position feedback, servo amplification, has program setting upper limit, electronic brake, error fault code prompt, manual auxiliary operation and other functions.

[0020] The utility model discloses a working principle: the valve body 5 is connected with explosion -proof electric actuator 1 through support 6 and is the main body of device, and explosion -proof electric actuator 1 drives adjusting nut 2 to install in adjustable length cylinder 3 tail portion, can carry out partial fine adjustment to cylinder stroke, cylinder 3 is contacted with spring 4 through gasket 7, cylinder 3 admission inlet is ventilated, and the axle of cylinder 3 projects compression spring 4 stroke to change the compression force of spring 4 to can carry out quick regulation to system pressure, the input rotary rotation angle signal to explosion -proof electric actuator 1, and explosion -proof electric actuator 1 drives adjusting nut 2 to carry out fine adjustment to the projecting stroke of adjustable length cylinder 3, can change the projecting length of cylinder 3 to change the compression stroke of spring and finally regulate pipeline system pressure.

[0021] The contents not described in the specification are the prior art known to the person skilled in the art, although the embodiments of the utility model have been shown and described, it can be understood by the person skilled in the art that various changes, modifications, replacements and variations can be made to these 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. An electrically controlled pressure regulating device, characterized by: The application relates to an explosion-proof electric actuator (1), the bottom of the explosion-proof electric actuator (1) is provided with a support (6), the bottom of the support (6) is provided with a valve body (5), a spring (4) is arranged in the support (6), the top of the spring (4) is provided with a length-adjustable cylinder (3), the output end of the length-adjustable cylinder (3) is connected with an adjusting nut (2), and the adjusting nut (2) is connected with the explosion-proof electric actuator (1).

2. An electrically controlled pressure regulating device according to claim 1, characterized in that: The bottom of the length-adjustable cylinder (3) is provided with a gasket (7), and the gasket (7) is arranged on the top of the spring (4).

3. An electrically controlled pressure regulating device according to claim 1, wherein: A through hole is formed in the top center position of the support (6), and the adjusting nut (2) is arranged in the through hole.

4. An electrically controlled pressure regulating device according to claim 1, wherein: The explosion-proof electric actuator (1) is connected with a 24V direct-current power supply.

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