WO2024036913A1 - 一种高可靠性减温减压器 - Google Patents

一种高可靠性减温减压器 Download PDF

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Publication number
WO2024036913A1
WO2024036913A1 PCT/CN2023/078156 CN2023078156W WO2024036913A1 WO 2024036913 A1 WO2024036913 A1 WO 2024036913A1 CN 2023078156 W CN2023078156 W CN 2023078156W WO 2024036913 A1 WO2024036913 A1 WO 2024036913A1
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WO
WIPO (PCT)
Prior art keywords
valve stem
sides
bracket
clamping plate
plate
Prior art date
Application number
PCT/CN2023/078156
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English (en)
French (fr)
Inventor
洪英豪
Original Assignee
华能(福建漳州)能源有限责任公司
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Publication date
Application filed by 华能(福建漳州)能源有限责任公司 filed Critical 华能(福建漳州)能源有限责任公司
Priority to JP2023536059A priority Critical patent/JP2024532986A/ja
Publication of WO2024036913A1 publication Critical patent/WO2024036913A1/zh

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Classifications

    • 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
    • F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like

Definitions

  • the utility model relates to the technical field of thermal power plant equipment, and specifically relates to a high-reliability temperature and pressure reducer.
  • the function of the desuperheater and pressure reducer is to reduce high-parameter steam to low-parameter steam.
  • the pressure regulator is mostly composed of a process controller, an electric adjustment mechanism, a valve stem and a valve body.
  • the valve stem is used to connect the electric adjustment mechanism to the valve body, and the process controller is connected to the electric adjustment mechanism; due to the temperature reduction and pressure reducer In a long-term standby state, the process controller controls the electric regulating mechanism to keep its own regulating valve slightly open by about 7%.
  • the passing steam in this state can easily cause vibration of the regulating valve, thereby causing vibration to the process controller.
  • the temperature of the electric actuator structure is also higher, making the temperature of the process controller also higher, which causes the process controller to be damaged by vibration and high temperature for a long time, and is easily damaged;
  • the patent with patent authorization announcement number CN206176343U discloses a temperature reduction and pressure reducer with a separated structure, including a process controller and an electric adjustment mechanism.
  • the process controller is provided with a control circuit board and an analog potentiometer for controlling the electric adjustment mechanism.
  • the process controller and the electric adjustment mechanism are set separately, and also includes a lead device, one end of the lead device is electrically connected to the process controller, and the other end is electrically connected to the electric adjustment mechanism; by setting the process controller and the electric adjustment mechanism separately, the process The controller is not affected by high temperature and vibration, and helps protect the control circuit board and analog potentiometer of the process controller. It is easy to install, safe and reliable.
  • the above technical solution solves the problem of process controller being affected by high temperature and vibration to a certain extent, but it not only needs to modify the structure of the temperature reduction and pressure reducer, but also cannot solve the problem of vibration of the regulating valve itself.
  • the reason why the regulating valve produces A large part of the reason for the vibration is that there are errors in the processing of the valve stem and the valve body that play a connecting role, resulting in a gap between the valve stem and the valve body.
  • the valve stem cannot align well.
  • the regulating valve is fixed, causing the regulating valve to vibrate.
  • the generated vibration is transmitted to the electric regulating mechanism and the valve body, causing the electric regulating mechanism and the valve body itself to be in a vibrating state for a long time and prone to damage.
  • the present utility model provides a highly reliable temperature reducing and pressure reducing device.
  • a high-reliability temperature reduction and pressure reducer including a valve body, a valve stem is provided on the valve body, and an electric adjustment mechanism is connected to the valve stem.
  • the valve body A first bracket and a second bracket are provided on the valve stem. The first bracket is arranged on one side of the valve stem, and the second bracket is arranged on the other side of the valve stem. The side wall of the first bracket away from the valve stem is connected with an electric current.
  • Control the telescopic cylinder the telescopic part of the electronically controlled telescopic cylinder extends through the first bracket in the direction close to the valve stem, the telescopic part of the electronically controlled telescopic cylinder is connected with a push plate, and the push plate is connected with a plate on the side close to the valve stem.
  • It is a symmetrically arranged connection frame. One end of the connection frame on both sides is fixed to the push plate, and the other end is slidably plugged into the second bracket.
  • the valve stem passes through the middle of the connection frame on both sides. There is a clamping component for clamping the valve stem.
  • the clamping assembly includes a first clamping plate and a second clamping plate.
  • the first clamping plate and the second clamping plate are provided on both sides of the valve stem, wherein the first clamping plate is fixed to
  • the push plate is close to the plate on the side of the valve stem, and the wall of the second clamping plate away from the valve stem is provided with a sliding rod.
  • One end of the sliding rod is fixedly connected to the second clamping plate, and the other end is slidably plugged into the second bracket.
  • first racks are provided on both side walls of the rod part on the side away from the second clamping plate, and second racks are provided on the ends where the connecting frames on both sides are slidably plugged into the second bracket.
  • Gear racks are symmetrically arranged on the side walls of the two brackets away from the valve stem.
  • the gear racks are mounted on both sides of the slide rod and between the second racks on both sides.
  • Gears are rotatably connected to the gear racks on both sides.
  • the gears on both sides are respectively It is meshed and connected with the first rack and the second rack on the corresponding side.
  • the electric adjustment mechanism is fixed with a heat shielding plate, and a controller is provided on the heat shielding plate.
  • the heat insulation board is provided with heat dissipation holes.
  • This utility model directly adds a heat-insulating plate to the electric adjustment mechanism, and installs a connecting frame, an electronically controlled telescopic cylinder, a clamping assembly and other structures on the valve stem.
  • the heat-insulating plate can play a thermal insulation role and ensure that the controller is less susceptible to damage.
  • the clamping assembly can fix the valve stem to ensure that the valve stem is not prone to vibration, thereby ensuring that the electric adjustment mechanism is not prone to vibration.
  • the existing reduction is not changed.
  • the modification is carried out on the premise of the main structure of the temperature regulator, which eliminates the impact of high temperature on the controller and avoids the occurrence of vibration. It has the advantages of high reliability, not easy to be damaged, and long service life.
  • Figure 1 is a schematic structural diagram of the utility model
  • Figure 2 is a cross-sectional view of A-A
  • Figure 3 is an enlarged view of point A.
  • this embodiment provides a high-reliability temperature and pressure reducer, including a valve body 1.
  • the valve body 1 is provided with a valve stem 2, and the valve stem 2 is connected to an electric adjustment mechanism 3.
  • the electric adjustment mechanism 3 is fixed with a heat shield 16, and the heat shield 16 is provided with a controller 17.
  • the heat shield 16 is used to isolate the heat transferred by the electric adjustment mechanism 3, thereby ensuring that the controller 17 is not affected by high temperatures.
  • the heat shield 16 is also provided with heat dissipation holes 18.
  • the heat dissipation holes 18 are provided to quickly dissipate the temperature absorbed by the heat shield 16, thereby further protecting the controller 17 from being affected by high temperatures;
  • the valve body 1 is provided with a first bracket 4 and a second bracket 5.
  • the first bracket 4 is located on the right side of the valve stem 2.
  • the second bracket 5 is located on the left side of the valve stem 2.
  • the first bracket 4 is located away from the side of the valve stem 2.
  • An electronically controlled telescopic cylinder 6 is connected to the side wall of the valve.
  • the telescopic part of the electronically controlled telescopic cylinder 6 extends through the first bracket 4 in a direction close to the valve stem 2.
  • a push plate is fixedly connected to the telescopic part of the electronically controlled telescopic cylinder 6. 7.
  • the push plate 7 is connected to a symmetrically arranged connecting frame 8 on the side of the valve stem 2.
  • connection frame 8 there are two connecting frames 8, and the connecting frames 8 are symmetrical and horizontal on the push plate 7. Setting; one end of the upper and lower connecting frames 8 is fixedly connected to the push plate 7, and the other end is slidably plugged into the second bracket 5.
  • the valve stem 2 passes through the middle of the connecting frames 8 on both sides.
  • a clamping assembly for clamping the valve stem 2 is provided between the connecting frames 8 on both sides.
  • the clamping assembly includes a first clamping plate 9 and a second clamping plate. plate 10, the first clamping plate 9 is located on the right side of the valve stem 2 and is fixed on the push plate 7, the second clamping plate 10 is located on the left side of the valve stem 2, and the second clamping plate 10 is away from the valve stem
  • a sliding rod 11 is provided on the board walls on both sides. One end of the sliding rod 11 is fixedly connected to the second clamping plate 10, and the other end is slidably plugged into the second bracket 5. The sliding rod 11 is away from the side of the second clamping plate 10.
  • the first racks 12 are provided on the upper and lower side walls of the stem, and the second racks 13 are provided on the ends where the connecting frames 8 on both sides are slidably plugged into the second bracket 5.
  • the second bracket 5 is far away from the valve stem 2.
  • the gear racks 14 are symmetrically arranged on the side walls of the two sides. In this embodiment, the number of the gear racks 14 is 2.
  • the two gear racks 14 are arranged on both sides of the sliding rod 11 and between the second racks 13 on both sides.
  • the two gear racks 14 are both rotatably connected with gears 15, and the gears 15 on both sides are meshed with the first rack 12 and the second rack 13 on the corresponding side respectively; through the above settings, the electronically controlled telescopic cylinder 6 starts to work
  • the telescopic part extends to drive the push plate 7 to move
  • the push plate 7 moves to drive the first clamping plate 9 and the connecting frame 8 to move simultaneously.
  • the connecting frame 8 moves to drive the second rack 13 to move, and the second rack 13 moves. That is, the gear 15 is driven to rotate.
  • the rotation of the gear 15 drives the first rack 12 to move and then drives the sliding rod 11 to slide.
  • the sliding rod 11 drives the second clamping plate 10 to move, so that the second clamping plate 10 and the first clamping plate 10 move.
  • the clamping plate 9 moves in opposite directions to clamp the valve stem 2 .
  • the working principle of the utility model is that when the temperature reduction and pressure reducer is in a standby state, the electronically controlled telescopic cylinder 6 is controlled to start working and the telescopic part is extended, so that the first clamping plate 9 and the second clamping plate 10 are aligned.
  • the valve stem 2 is clamped to ensure that the valve stem 2 is stable and difficult to vibrate, thereby preventing the vibration of the electric adjustment mechanism 3 and the valve body 1 caused by the vibration of the valve stem 2, and enhancing the overall reliability and service life.
  • the terms “installation”, “setting”, “connection”, “fixing”, “rotating” and other terms should be understood in a broad sense.
  • it can be a fixed connection, It can also be detachably connected, or integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction of two elements relationship, unless otherwise explicitly limited, those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific circumstances.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)

Abstract

一种高可靠性减温减压器，包括阀体（1），阀体（1）上设有阀杆（2），阀杆（2）上接有电动调节机构（3），阀体（1）上设有第一支架（4）和第二支架（5），第一支架（4）设于阀杆（2）的一侧，第二支架（5）设于阀杆（2）的另一侧，第一支架（4）远离阀杆（2）侧的侧壁上接有电控伸缩缸（6），电控伸缩缸（6）的伸缩部穿过第一支架（4）朝贴近阀杆（2）的方向延伸设置，电控伸缩缸（6）的伸缩部上接有推板（7），推板（7）贴近阀杆（2）侧的板面上接有呈对称设置的连接框（8），两侧连接框（8）一端均固接于推板（7）上，另一端均滑动插接于第二支架（5）上，阀杆（2）均自两侧连接框（8）的中部穿过，两侧连接框（8）之间设有用于夹紧阀杆（2）的夹紧组件。该减温减压器具有可靠性高、不易损坏、使用寿命长的特点。

Description

一种高可靠性减温减压器 技术领域
本实用新型涉及热电厂设备技术领域，具体涉及一种高可靠性减温减压器。
 背景技术
减温减压器的作用是将高参数的蒸汽降为低参数的蒸汽，目前，在热电厂供热不足时，大多都是通过减温减压器进行直接供热，目前，传统的减温减压器多由过程控制器、电动调节机构、阀杆和阀体组成，其中，阀杆用于将电动调节机构与阀体连接，过程控制器接于电动调节机构上；由于减温减压器长期处于备用状态，过程控制器控制电动调节机构保持其自身带有的调节阀微开7％左右，这种状态下通过的蒸气极易造成调节阀的振动，从而对过程控制器造成振动，同时，由于通过的蒸汽温度较高，使得电动执行结构的温度也较高，使得过程控制器的温度也较高，这就导致过程控制器长期受到振动和高温损害，极易损坏；现有技术中，专利授权公告号CN206176343U的专利公开了一种具有分离结构的减温减压器，包括过程控制器和电动调节机构，过程控制器内设置有用于控制电动调节机构的控制电路板和模拟电位器，过程控制器和电动调节机构分离设置，还包括引线装置，引线装置的一端与过程控制器电连接，另一端与电动调节机构电连接；其通过将过程控制器与电动调节机构分离设置，过程控制器不受高温及振动影响，有助于保护过程控制器的控制电路板和模拟电位器，安装简便，安全可靠。
上述技术方案在一定程度上解决过程控制器受高温和振动影响的问题，但是不仅需要对减温减压器的结构进行改造，并且还不能解决调节阀自身振动的问题，调节阀之所以会产生振动很大一部分原因是由于起到连接作用的阀杆与阀体因加工存在有的误差，导致阀杆与阀体之间存在缝隙，在蒸汽经过调节阀时，由于阀杆无法很好的对调节阀进行固定，导致调节阀会产生振动，产生的振动向电动调节机构和阀体本体传递，导致电动调节机构和阀体本身长期处于振动状态，容易发生损害。
 实用新型
有鉴于此，本实用新型提供一种高可靠性减温减压器。
为了解决上述技术问题，本实用新型的技术方案是：一种高可靠性减温减压器，包括阀体，阀体上设有阀杆，阀杆上接有电动调节机构，所述阀体上设有第一支架和第二支架，其中，第一支架设于阀杆的一侧，第二支架设于阀杆的另一侧，第一支架远离阀杆侧的侧壁上接有电控伸缩缸，电控伸缩缸的伸缩部穿过第一支架朝贴近阀杆的方向延伸设置，电控伸缩缸的伸缩部上接有推板，推板贴近阀杆侧的板面上接有呈对称设置的连接框，两侧连接框一端均固接于推板上，另一端均滑动插接于第二支架上，阀杆均自两侧连接框的中部穿过，两侧连接框之间设有用于夹紧阀杆的夹紧组件。
优选的，所述夹紧组件包括第一夹持板和第二夹持板，第一夹持板和第二夹持板设于阀杆的两侧，其中，第一夹持板固接于推板贴近阀杆侧的板面上，第二夹持板远离阀杆侧的板壁上设有滑杆，滑杆一端固接于第二夹持板上，另一端滑动插接于第二支架上，滑杆远离第二夹持板侧的杆部两侧壁上均设有第一齿条，两侧连接框与第二支架滑动插接的端部上均设有第二齿条，第二支架远离阀杆侧的侧壁上对称设有齿轮架，齿轮架设于滑杆两侧且设于两侧第二齿条之间，两侧齿轮架上均转动连接有齿轮，两侧齿轮分别与第一齿条和对应侧第二齿条啮合连接在一起。
优选的，所述电动调节机构上固接有隔热板，隔热板上设有控制器。
优选的，所述隔热板上开设有散热孔。
较之现有技术，本实用新型的优点在于：
本实用新型通过直接在电动调节机构上增设隔热板，在阀杆上加装连接框、电控伸缩缸、夹紧组件等结构，隔热板能够起到隔热作用，保证控制器难以受到由电动调节机构传递至的热量的影响，夹紧组件能够对阀杆进行固定，保证阀杆不易产生振动，从而保证电动调节机构不易产生振动，相较于现有技术，在不改变现有减温减压器主体结构的前提下进行改装，消除了高温对控制器的影响以及避免振动的发生，具有可靠性高、不易损坏、使用寿命长的优点。
 附图说明
为了更清楚地说明本实用新型实施例的技术方案，下面将对实施例描述所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本实用新型的结构示意图；
图2为A-A剖视图；
图3为A处放大图。
附图标记：1、阀体；2、阀杆；3、电动调节机构；4、第一支架；5、第二支架；6、电控伸缩缸；7、推板；8、连接框；9、第一夹持板；10、第二夹持板；11、滑杆；12、第一齿条；13、第二齿条；14、齿轮架；15、齿轮；16、隔热板；17、控制器；18、散热孔。
 实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本实用新型保护的范围。
实施例：参照图1～3，本实施例提供一种高可靠性减温减压器，包括阀体1，阀体1上设有阀杆2，阀杆2上接有电动调节机构3，电动调节机构3上固接有隔热板16，隔热板16上设有控制器17，隔热板16用于隔绝由电动调节机构3传递的热量，从而保证控制器17难以受到高温影响，隔热板16上还开设有散热孔18，散热孔18的设置用于快速散去隔热板16吸收的温度，从而起到进一步保护控制器17难以受到高温影响的作用；
阀体1上设有第一支架4和第二支架5，第一支架4设于阀杆2的右侧，第二支架5设于阀杆2左侧，第一支架4远离阀杆2侧的侧壁上接有电控伸缩缸6，电控伸缩缸6的伸缩部穿过第一支架4朝贴近阀杆2的方向延伸设置，电控伸缩缸6的伸缩部上固接有推板7，推板7贴近阀杆2侧的板面上接有呈对称设置的连接框8，本实施例中，连接框8的数量有2个，连接框8在推板7上呈上下对称水平设置；上下两侧连接框8一端均固接于推板7上，另一端均滑动插接于第二支架5上，通过前述设置，电控伸缩缸6开始工作时，带动推板7运动时能够推动连接框8进行水平滑动；
阀杆2均自两侧连接框8的中部穿过，两侧连接框8之间设有用于夹紧阀杆2的夹紧组件，夹紧组件包括第一夹持板9和第二夹持板10，第一夹持板9设于阀杆2右侧，且固接于推板7上，第二夹持板10设于阀杆2的左侧，第二夹持板10远离阀杆2侧的板壁上设有滑杆11，滑杆11一端固接于第二夹持板10上，另一端滑动插接于第二支架5上，滑杆11远离第二夹持板10侧的杆部上下两侧壁上均设有第一齿条12，两侧连接框8与第二支架5滑动插接的端部上均设有第二齿条13，第二支架5远离阀杆2侧的侧壁上对称设有齿轮架14，本实施例中，齿轮架14的数量为2个，2个齿轮架14设于滑杆11两侧且设于两侧第二齿条13之间，2个齿轮架14上均转动连接有齿轮15，两侧齿轮15分别与第一齿条12和对应侧第二齿条13啮合连接在一起；通过前述设置，在电控伸缩缸6开始工作伸缩部伸出带动推板7运动时，推板7运动带动第一夹持板9和连接框8同时运动，此时，连接框8运动带动第二齿条13运动，第二齿条13运动即带动齿轮15转动，齿轮15转动即带动第一齿条12运动进而带动滑杆11进行滑动，滑杆11滑动即带动第二夹持板10进行运动，使得第二夹持板10与第一夹持板9进行对向运动从而对阀杆2进行夹持。
本实用新型的工作原理，在该减温减压器处于备用状态时，控制电控伸缩缸6开始工作，将伸缩部伸出，从而令第一夹持板9和第二夹持板10对阀杆2进行夹持，保证阀杆2稳固不易发生振动，从而防止因阀杆2振动导致电动调节机构3和阀体1的振动，增强整体可靠性和使用寿命。
在本实用新型的描述中，需要理解的是，术语“同轴”、“底部”、“一端”、“顶部”、“中部”、“另一端”、“上”、“一侧”、“顶部”、“内”、“前部”、“中央”、“两端”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本实用新型的限制。
在本实用新型中， 除非另有明确的规定和限定，术语“安装”、“设置”、“连接”、“固定”、“旋接”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定，对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本实用新型中的具体含义。
以上只是本实用新型的典型实例，除此之外，本实用新型还可以有其它多种具体实施方式，凡采用等同替换或等效变换形成的技术方案，均落在本实用新型要求保护的范围之内。

Claims (4)

  1. 一种高可靠性减温减压器，包括阀体（1），阀体（1）上设有阀杆（2），阀杆（2）上接有电动调节机构（3），其特征在于：所述阀体（1）上设有第一支架（4）和第二支架（5），其中，第一支架（4）设于阀杆（2）的一侧，第二支架（5）设于阀杆（2）的另一侧，第一支架（4）远离阀杆（2）侧的侧壁上接有电控伸缩缸（6），电控伸缩缸（6）的伸缩部穿过第一支架（4）朝贴近阀杆（2）的方向延伸设置，电控伸缩缸（6）的伸缩部上接有推板（7），推板（7）贴近阀杆（2）侧的板面上接有呈对称设置的连接框（8），两侧连接框（8）一端均固接于推板（7）上，另一端均滑动插接于第二支架（5）上，阀杆（2）均自两侧连接框（8）的中部穿过，两侧连接框（8）之间设有用于夹紧阀杆（2）的夹紧组件。
  2. 根据权利要求1所述的一种高可靠性减温减压器，其特征在于：所述夹紧组件包括第一夹持板（9）和第二夹持板（10），第一夹持板（9）和第二夹持板（10）设于阀杆（2）的两侧，其中，第一夹持板（9）固接于推板（7）贴近阀杆（2）侧的板面上，第二夹持板（10）远离阀杆（2）侧的板壁上设有滑杆（11），滑杆（11）一端固接于第二夹持板（10）上，另一端滑动插接于第二支架（5）上，滑杆（11）远离第二夹持板（10）侧的杆部两侧壁上均设有第一齿条（12），两侧连接框（8）与第二支架（5）滑动插接的端部上均设有第二齿条（13），第二支架（5）远离阀杆（2）侧的侧壁上对称设有齿轮架（14），齿轮架（14）设于滑杆（11）两侧且设于两侧第二齿条（13）之间，两侧齿轮架（14）上均转动连接有齿轮（15），两侧齿轮（15）分别与第一齿条（12）和对应侧第二齿条（13）啮合连接在一起。
  3. 根据权利要求1所述的一种高可靠性减温减压器，其特征在于：所述电动调节机构（3）上固接有隔热板（16），隔热板（16）上设有控制器（17）。
  4. 根据权利要求3所述的一种高可靠性减温减压器，其特征在于：所述隔热板（16）上开设有散热孔（18）。
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