阅读说明：本技术 一种机械式压力容器液位测量装置 (Mechanical pressure vessel liquid level measuring device ) 是由 张德满 张禄京 李斌 邓鹏� 王英伟 王博 于 2021-08-07 设计创作，主要内容包括：本发明涉及测深技术领域,提供一种机械式压力容器液位测量装置,包括承压壳体、刻度尺、压力平衡按钮、安装法兰、密封垫、弹簧、顶杆、顶杆调节套筒、套筒,所述承压壳体与安装法兰及套筒焊接成一体,所述刻度尺通过吊环与刻度尺头连接在一起,刻度尺头与安装法兰通过螺纹连接,将刻度尺吊挂在承压壳体中,用于测量承压壳体中液体的深度,通过安装法兰,将机械式压力容器液位测量装置安装于压力容器上,并与压力容器壳体形成密封,安装法兰下部装入压力容器内。本发明机械式压力容器液位测量装置,结构简单、工作可靠,可以在不释放压力工况下,测量压力容器中液体的液位。(The invention relates to the technical field of depth measurement, and provides a mechanical pressure container liquid level measuring device which comprises a pressure-bearing shell, a graduated scale, a pressure balance button, a mounting flange, a sealing gasket, a spring, an ejector rod adjusting sleeve and a sleeve. The liquid level measuring device of the mechanical pressure container has simple structure and reliable work, and can measure the liquid level of liquid in the pressure container under the working condition of not releasing pressure.)

1. The utility model provides a mechanical type pressure vessel liquid level measurement device, including the pressure-bearing casing, the scale, rings, the scale head, pressure balance button, first spring, first ejector pin, mounting flange, the second end cap, first sealed pad base, the second spring, second spring base, the second ejector pin, ejector pin adjusting sleeve, the third ejector pin, the sleeve, the fourth ejector pin, the third end cap, the sealed pad of second, the sealed pad base of second, the third spring base, first end cap, its characterized in that: the pressure-bearing shell, the mounting flange and the sleeve are welded into a whole, the graduated scale is connected with the graduated scale head through the hanging ring, the graduated scale head is connected with the mounting flange through threads, the graduated scale is hung in the pressure-bearing shell and used for measuring the depth of liquid in the pressure-bearing shell, the first ejector rod penetrates through the middle of the first plug and is connected with the pressure balance button through threads above the first plug, and the first spring is installed between the pressure balance button and the first plug and provides spring force for resetting of the pressure balance button; the second ejector rod penetrates through the second plug, the first sealing gasket base, the second spring base and the second spring to be installed above the outer side of the pressure-bearing shell together, and the second spring provides sealing pressure for the first sealing gasket and spring force for resetting the second ejector rod; the second ejector rod and the third ejector rod are connected together through an ejector rod adjusting sleeve, the third ejector rod penetrates through the sleeve, the fourth ejector rod penetrates through the third plug, the second sealing gasket base, the third spring base and the third spring and is installed below the outer side of the pressure-bearing shell, the third spring provides sealing pressure for the second sealing gasket, and meanwhile spring force is provided for resetting of the fourth ejector rod.

2. The mechanical pressure vessel level gauge of claim 1, wherein: the pressure balancing device comprises an upper pressure guiding valve consisting of a second plug, a first sealing gasket base, a second spring base and a second push rod, and a lower pressure guiding valve consisting of a fourth push rod, a third plug, a second sealing gasket base, a third spring and a third spring base.

3. The mechanical pressure vessel level gauge of claim 2, wherein: the transmission mechanism is composed of a first ejector rod, a second ejector rod, an upper nut, an ejector rod connecting sleeve, a lower nut, a third ejector rod and a fourth ejector rod, a gap is formed between the third ejector rod and the fourth ejector rod, an upper pressure-drawing valve and a lower pressure-drawing valve are mutually independent, the size of the gap between the third ejector rod and the fourth ejector rod is adjusted through the upper nut, the ejector rod connecting sleeve and the lower nut, and the valve opening interval between the upper pressure-drawing valve and the lower pressure-drawing valve is adjusted.

4. The mechanical pressure vessel level gauge of claim 1, wherein: the scale head and the mounting flange form a seal at a third sealing gasket, the first plug and the mounting flange form a seal at a fourth sealing gasket, the first ejector rod and the first plug are sealed through a first O-shaped ring, the second ejector rod and the second plug are sealed through a second O-shaped ring, the second plug and the pressure-bearing shell form a seal at a fifth sealing gasket, the third ejector rod and the third plug are sealed through a third O-shaped ring, and the third plug and the pressure-bearing shell form a seal at a sixth sealing gasket.

5. The mechanical pressure vessel level gauge of claim 1, wherein: the scale is formed by connecting a plurality of small rules through a movable pin, and each small rule can rotate around the movable pin.

Technical Field

The invention relates to the technical field of sounding, in particular to a mechanical pressure container liquid level measuring device.

Background

During the operation of a pressure vessel containing liquid, the level of the liquid in the vessel is often detected, and the liquid level is generally measured by a telemetric sensor arranged in the pressure vessel, and the telemetric sensor needs to be periodically calibrated by a mechanical liquid level measuring device. The mechanical liquid level measuring device on the market at present generally needs to release the pressure in the pressure vessel before measurement, thereby influencing the normal work of the pressure vessel.

Disclosure of Invention

In view of the above-mentioned drawbacks and needs of the prior art, the present invention provides a mechanical pressure vessel level measurement device, which can measure the level of a liquid in a pressure vessel under a pressure-unreleased condition.

In order to achieve the purpose, the invention adopts the following technical scheme.

The invention provides a liquid level measuring device of a mechanical pressure container, which comprises a pressure-bearing shell, a graduated scale, a lifting ring, a graduated scale head, a pressure balance button, a first spring, a first ejector rod, a mounting flange, a second plug, a first sealing gasket base, a second spring base, a second ejector rod, an ejector rod adjusting sleeve, a third ejector rod, a sleeve, a fourth ejector rod, a third plug, a second sealing gasket base, a third spring base and a first plug, wherein the pressure-bearing shell, the mounting flange and the sleeve are welded into a whole, the graduated scale is connected with the graduated scale head through the lifting ring, the graduated scale head is connected with the mounting flange through threads, the graduated scale is hung in the pressure-bearing shell and used for measuring the depth of liquid in the pressure-bearing shell, the first ejector rod penetrates through the middle of the first plug and is connected with the pressure balance button through threads above the first plug, the first spring is arranged between the pressure balance button and the first plug and provides spring force for resetting the pressure balance button; the second ejector rod penetrates through the second plug, the first sealing gasket base, the second spring base and the second spring to be installed above the outer side of the pressure-bearing shell together, and the second spring provides sealing pressure for the first sealing gasket and spring force for resetting the second ejector rod; the second ejector rod and the third ejector rod are connected together through an ejector rod adjusting sleeve, the third ejector rod penetrates through the sleeve, the fourth ejector rod penetrates through the third plug, the second sealing gasket base, the third spring base and the third spring and is installed below the outer side of the pressure-bearing shell, the third spring provides sealing pressure for the second sealing gasket, and meanwhile spring force is provided for resetting of the fourth ejector rod.

The mechanical pressure vessel liquid level measuring device is arranged on a pressure vessel through a mounting flange, and forms sealing with a matched flange on a pressure vessel shell, wherein the lower part of the mounting flange is arranged in the pressure vessel. When the liquid level of liquid in the pressure container needs to be measured, the pressure balance button is pressed down to push the first ejector rod, the second ejector rod, the third ejector rod and the fourth ejector rod to move downwards, the sealing at the positions of the first sealing gasket and the second sealing gasket is successively released, the upper space inside the pressure container is communicated with the space above the pressure-bearing shell through the gap between the second spring base and the second ejector rod, and the lower space inside the pressure container is communicated with the space below the pressure-bearing shell through the gap between the third spring base and the fourth ejector rod. At the moment, the liquid level height of the liquid in the pressure container is the same as that of the liquid in the pressure-bearing shell, and the liquid level of the liquid in the pressure-bearing shell leaves a liquid level mark on the graduated scale. And the pressure balance button is loosened, the first sealing gasket and the second sealing gasket are sealed again under the action of the second spring and the third spring, the scale head is slowly rotated, the scale is pulled out through the hanging ring, and the height of the liquid level in the pressure container can be read by looking up the liquid level trace on the scale.

In the technical proposal, the upper pressure-leading valve consists of a second choke plug, a first sealing gasket base, a second spring base and a second ejector rod, and a lower pressure-leading valve consisting of a fourth mandril, a third plug, a second sealing gasket base, a third spring and a third spring base, under the action of the second spring and the third spring, the first sealing gasket and the second sealing gasket form sealing with respective sealing seats, when the pressure balance button is pressed down, the first ejector rod, the second ejector rod, the third ejector rod and the fourth ejector rod are driven to move downwards, the sealing of the first sealing gasket and the second sealing gasket is removed, the upper space inside the pressure container is communicated with the upper space of the pressure-bearing shell, the lower space inside the pressure container is communicated with the lower space of the pressure-bearing shell, and the liquid level inside the pressure container is the same as the liquid level inside the pressure-bearing shell.

In the technical scheme, the transmission mechanism is composed of the first ejector rod, the second ejector rod, the upper nut, the ejector rod connecting sleeve, the lower nut, the third ejector rod and the fourth ejector rod, a gap is formed between the third ejector rod and the fourth ejector rod, the upper pressure-inducing valve and the lower pressure-inducing valve are mutually independent, and the gap between the third ejector rod and the fourth ejector rod is adjusted through the upper nut, the ejector rod connecting sleeve and the lower nut, so that the valve opening interval between the upper pressure-inducing valve and the lower pressure-inducing valve is adjusted.

In the technical scheme, the scale head and the mounting flange form a seal at a third sealing gasket, the first plug and the mounting flange form a seal at a fourth sealing gasket, the first ejector rod and the first plug are sealed by the first O-shaped ring, the second ejector rod and the second plug are sealed by the second O-shaped ring, the second plug and the pressure-bearing shell form a seal at a fifth sealing gasket, the third ejector rod and the third plug are sealed by the third O-shaped ring, and the third plug and the pressure-bearing shell form a seal at a sixth sealing gasket.

In the technical scheme, the graduated scale is formed by connecting a plurality of sections of small scales through the movable pin, and each section of small scale can rotate around the movable pin, so that the graduated scale is convenient to fold and unfold.

The liquid level measuring device of the mechanical pressure container has simple structure and reliable work, and can measure the liquid level of liquid in the pressure container under the working condition of not releasing pressure.

Drawings

Fig. 1 is a schematic structural diagram of a mechanical pressure vessel liquid level measuring device of the invention.

In the figure: 1-pressure-bearing shell, 2-movable pin, 3-graduated scale, 4-lifting ring, 5-third sealing gasket, 6-graduated scale head, 7-pressure balance button, 8-first spring, 9-first ejector pin, 10-first O-shaped ring, 11-fourth sealing gasket, 12-mounting flange, 13-second O-shaped ring, 14-second ejector pin, 15-fifth sealing gasket, 16-first sealing gasket, 17-first sealing gasket base, 18-second spring, 19-second spring base, 20-second ejector pin, 21-upper nut, 22-ejector pin adjusting sleeve, 23-lower nut, 24-third ejector pin, 25-sleeve, 26-fourth ejector pin, 27-third O-shaped ring, 28-third ejector pin, 29-sixth sealing gasket, 30-second sealing gasket, 31-second sealing gasket base, 32-third spring, 33-third spring base and 34-first plug.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the present invention, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," "fixed," and the like are to be construed broadly as understood by those skilled in the art, and may be, for example, fixedly connected, detachably connected, or integrated; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

As shown in fig. 1, the present embodiment provides a liquid level measuring device for a mechanical pressure vessel, which includes a pressure-bearing housing 1, a graduated scale 3, a hanging ring 4, a graduated scale head 6, a pressure balance button 7, a first spring 8, a first ejector rod 9, a mounting flange 12, a second plug 14, a first sealing gasket 16, a first sealing gasket base 17, a second spring 18, a second spring base 19, a second ejector rod 20, an ejector rod adjusting sleeve 22, a third ejector rod 24, a sleeve 25, a fourth ejector rod 26, a third plug 28, a second sealing gasket 30, a second sealing gasket base 31, a third spring 32, a third spring base 33, and a first plug 34, wherein the pressure-bearing housing 1, the mounting flange 12 and the sleeve 25 are welded into a whole, the graduated scale 3 is connected with the graduated scale head 6 through the hanging ring 4, the graduated scale head 6 is connected with the mounting flange 12 through a thread, the graduated scale 3 is hung in the pressure-bearing housing 1, the first ejector rod 9 penetrates through the middle of the first plug 34 and is connected with the pressure balance button 7 through threads above the first plug 34, and the first spring 8 is installed between the pressure balance button 7 and the first plug 34 and provides spring force for resetting of the pressure balance button 7; the second ejector rod 20 passes through the second plug 14, the first sealing gasket 16, the first sealing gasket base 17, the second spring base 19 and the second spring 18 and is installed above the outer side of the pressure-bearing shell 1, and the second spring 18 provides sealing pressure for the first sealing gasket 16 and provides spring force for resetting the second ejector rod 20; the second ejector rod 20 and the third ejector rod 24 are connected together through an ejector rod adjusting sleeve 22, the third ejector rod 24 penetrates through a sleeve 25, the fourth ejector rod 26 penetrates through a third plug 28, a second sealing gasket 30, a second sealing gasket base 31, a third spring base 33 and a third spring 32 and is installed below the outer side of the pressure-bearing shell 1, and the third spring 32 provides sealing pressure for the second sealing gasket 30 and provides spring force for the resetting of the fourth ejector rod 26.

The mechanical pressure vessel level measurement device is mounted on the pressure vessel by a mounting flange 12 and forms a seal with a matching flange on the pressure vessel shell, wherein the lower part of the mounting flange 12 is arranged in the pressure vessel. When the liquid level of the liquid in the pressure container needs to be measured, the pressure balance button 7 is pressed to push the first ejector rod 9, the second ejector rod 20, the third ejector rod 24 and the fourth ejector rod 26 to move downwards, the sealing at the positions of the first sealing gasket 16 and the second sealing gasket 30 is released first and then, the upper space inside the pressure container is communicated with the space above the pressure-bearing shell 1 through the gap between the second spring base 19 and the second ejector rod 20, and the lower space inside the pressure container is communicated with the space below the pressure-bearing shell 1 through the gap between the third spring base 33 and the fourth ejector rod 26. At the moment, the liquid level height of the liquid in the pressure container is the same as that of the liquid in the pressure-bearing shell 1, and the liquid level mark of the liquid in the pressure-bearing shell 1 can be left on the graduated scale 3. When the pressure balance button 7 is released, the first sealing gasket 16 and the second sealing gasket 30 are sealed again under the action of the second spring 18 and the third spring 32, the scale head 6 is slowly rotated, the scale 3 is pulled out through the hanging ring 4, and the height of the liquid level in the pressure container can be read by looking at the liquid level trace on the scale 3.

In the above embodiment, the second stopper 14, the first gasket 16, the first gasket base 17, the second spring 18, the second spring base 19, and the second plunger 20 form an upward pressure valve, and the fourth plunger 26, the third stopper 28, the second gasket 30, the second gasket base 31, the third spring 32, and the third spring base 33 form a downward pressure valve, under the action of the second spring 18 and the third spring 32, the first gasket 16 and the second gasket 30 are sealed with their respective sealing seats, when the pressure balance button 7 is pressed, the first plunger 9, the second plunger 20, the third plunger 24, and the fourth plunger 26 are driven to move downward, the seals at the first gasket 16 and the second gasket 30 are released, the upper space inside the pressure container is communicated with the space above the pressure-bearing housing 1, and the lower space inside the pressure-bearing housing 1 is communicated with the lower space below the pressure-bearing housing 1, the liquid level in the pressure container is the same as the liquid level in the pressure-bearing shell 1.

In the above embodiment, the transmission mechanism is composed of the first ejector rod 9, the second ejector rod 20, the upper nut 21, the ejector rod connecting sleeve 22, the lower nut 23, the third ejector rod 24 and the fourth ejector rod 26, a gap is provided between the third ejector rod 24 and the fourth ejector rod 26, the upper pressure-inducing valve and the lower pressure-inducing valve are independent from each other, and the size of the gap between the third ejector rod 24 and the fourth ejector rod 26 is adjusted through the upper nut 21, the ejector rod connecting sleeve 22 and the lower nut 23, so that the valve opening interval between the upper pressure-inducing valve and the lower pressure-inducing valve is adjusted.

In the above embodiment, the scale head 6 and the mounting flange 12 form a seal at the third sealing gasket 5, the first plug 34 and the mounting flange 12 form a seal at the fourth sealing gasket 11, the first ejector rod 9 and the first plug 34 are sealed by the first O-ring 10, the second ejector rod 20 and the second plug 14 are sealed by the second O-ring 13, the second plug 14 and the pressure-bearing housing 1 form a seal at the fifth sealing gasket 15, the third ejector rod 26 and the third plug 28 are sealed by the third O-ring 27, and the third plug 28 and the pressure-bearing housing 1 form a seal at the sixth sealing gasket 29.

In the above embodiment, the graduated scale 3 is formed by connecting a plurality of small scales through the movable pin 2, and each small scale can rotate around the movable pin 2, so that the graduated scale 3 can be conveniently folded and unfolded.

Details not described in this specification are within the skill of the art that are well known to those skilled in the art.

The embodiments of the present invention are not limited to the above-mentioned embodiments, but can be combined with each other according to the technical features of the claims, and the above-mentioned embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of the present invention.