CN118088767A - Hydraulic safety valve - Google Patents

Abstract

The invention discloses a hydraulic safety valve, which comprises a body, wherein the body is used for storing hydraulic oil, an inner insertion pipe assembly is arranged at the upper end of the body, a liquid supplementing groove is sleeved on the outer side of the body, and the liquid supplementing groove is communicated with the body; the body is provided with liquid level switch, liquid level switch is used for detecting the liquid level height of hydraulic oil, liquid level switch connection director, and interior pipe assembly is used for sealed body, and the outside cover of body is equipped with the moisturizing groove, supplements the inside hydraulic oil of body through the moisturizing groove, can carry out the timely replenishment of hydraulic oil under the prerequisite of not opening the body, avoids the inflow of air, and the security in the use is higher, and liquid level switch can the height of the inside liquid level of real-time detection body to with the information transfer to the controller that detects, in time master the liquid level condition of the inside hydraulic oil of body, and make timely treatment measure, prevent to appear the hydraulic valve inefficacy, or the phenomenon that hydraulic oil overflows, avoid the emergence of harm.

Description

Hydraulic safety valve

Technical Field

The invention belongs to the technical field of hydraulic safety valves, and relates to a hydraulic safety valve.

Background

The hydraulic safety valve is an important accessory which is arranged on the top of the oil tank and used for protecting the safety of the oil tank. When the mechanical breather valve fails, the product can replace the mechanical breather valve to exhaust or deflate. A hydraulic safety valve is characterized by that its opening and closing member is in normally closed state under the action of external force, when the pressure of medium in the equipment or pipeline is raised, it is automatically opened, and when the pressure exceeds a defined value, the medium is discharged to outside the system so as to prevent the pressure of medium in the pipeline or equipment from exceeding a defined value. The safety valve belongs to automatic valves and is mainly used for boilers, pressure vessels and pipelines,

In the oil gas treatment station, in order to prevent air from entering certain normal pressure storage tanks, explosion is avoided after the air is mixed with an internal flammable and explosive medium, and a hydraulic safety valve is arranged at the top of the tank. The function of the device is as follows: when the pressure in the tank is greater than a certain value, the medium in the tank is released through the hydraulic safety valve, so that overpressure is prevented, and the storage tank is damaged.

However, when the existing hydraulic safety valve releases the medium in the tank, hydraulic oil (generally ethylene glycol and the like) is easy to overflow from the hydraulic safety valve, so that hydraulic oil is lost, the outer surface of the storage tank is dirty after the hydraulic oil flows out, the storage tank is difficult to clean, certain potential safety hazards exist, if the hydraulic oil is not timely replenished, the hydraulic safety valve is invalid, air enters the storage tank, damage occurs, and in the existing use, although the hydraulic oil is replenished by periodically checking the reserve of the hydraulic oil, if the checking is not timely, some potential safety hazards are easily caused.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, hydraulic oil is easy to overflow, so that hydraulic oil is lost, and excessive or insufficient hydraulic oil cannot be found in time, so that when the hydraulic oil in a tank is over-pressurized, a storage tank is damaged, and potential safety hazards exist.

In order to achieve the purpose, the invention is realized by adopting the following technical scheme:

The hydraulic safety valve comprises a body, wherein the body is used for storing hydraulic oil, an inner insertion pipe assembly is arranged at the upper end of the body, a liquid supplementing groove is sleeved on the outer side of the body, and the liquid supplementing groove is communicated with the body;

the hydraulic oil level detection device is characterized in that a liquid level switch is arranged on the body and used for detecting the liquid level of hydraulic oil, and the liquid level switch is connected with a controller.

The invention further improves that:

the body is provided with a reflux hole, and the fluid infusion groove is communicated with the reflux hole.

And the fluid infusion tank body is welded.

And a sewage outlet is formed in the body.

And a switch valve is arranged at the sewage outlet.

The body is provided with a liquid level inspection meter.

One side of the body is communicated with the detection tube;

the inspection meter is arranged at the port of the detection tube.

The liquid level switch is a capacitive sensor.

The inner tube assembly comprises a top cover and an inner tube;

the inner insertion tube is arranged at the lower end of the top cover;

The inner insertion tube extends into the body;

the top cover is rigidly connected with the port of the body.

The body and the top cover are connected through bolts.

Compared with the prior art, the invention has the following beneficial effects:

The invention discloses a hydraulic safety valve, which comprises a body for storing hydraulic oil, wherein an inner cannula component is arranged at the upper end of the body, the inner cannula component is used for sealing the body, a liquid supplementing groove is sleeved outside the body and communicated with the inside of the body, the hydraulic oil in the body is supplemented through the liquid supplementing groove, the hydraulic oil can be timely supplemented on the premise of not opening the body, the air is prevented from flowing in, the safety in use is higher, a liquid level switch is arranged on the body, the liquid level switch can detect the height of the liquid level in the body in real time and transmit detected information to a controller, the liquid level condition of the hydraulic oil in the body is timely mastered, timely treatment measures are made, the phenomenon of failure of the hydraulic valve or overflow of the hydraulic oil is prevented.

Furthermore, the hydraulic safety valve disclosed by the invention is provided with the backflow hole on the outer side wall of the body, and the backflow groove is communicated with the body through the backflow hole, so that the liquid supplementing inside the body is facilitated.

Furthermore, the hydraulic safety valve fluid compensating groove disclosed by the invention is welded and fixed with the body, so that the stability of connection of the hydraulic safety valve fluid compensating groove and the body is enhanced.

Furthermore, the drain outlet is arranged on the body of the hydraulic safety valve disclosed by the invention, so that internal liquid discharge can be performed on the premise of not opening the body, and the operation is more convenient.

Furthermore, the hydraulic safety valve disclosed by the invention is provided with the switch valve at the drain outlet, so that the drain outlet is controlled to be opened and closed in real time.

Furthermore, the liquid level check gauge is arranged on the body of the hydraulic safety valve disclosed by the invention, and can measure the liquid level height inside the hydraulic safety valve on the premise of not opening the body, so that the use condition of the internal hydraulic pressure can be mastered in real time.

Furthermore, the liquid level switch of the hydraulic safety valve disclosed by the invention is a capacitive sensor, and the detection and induction of the liquid level are more accurate.

Furthermore, in the hydraulic safety valve liquid disclosed by the invention, the inner pipe assembly comprises the top cover and the inner pipe, and the top cover is rigidly connected with the body, so that the tightness of the inside of the body is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a first partial view of the present invention;

Fig. 3 is a second partial view of the present invention.

Wherein: 1-a body; 2-a liquid supplementing groove; 3-reflow holes; 4-hydraulic oil; 5-a sewage outlet; 6-checking meter; 7-a liquid level switch; 8-inner cannula; 9-a first connecting rod; 10-a second connecting rod; 11-a liquid level check tube; 12-connecting pipes.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper," "lower," "horizontal," "inner," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the term "horizontal" if present does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

The invention is described in further detail below with reference to the attached drawing figures:

Referring to fig. 1-3, the embodiment of the invention discloses a hydraulic safety valve, an inner pipe assembly is arranged on a safety valve body for sealing the body, a liquid supplementing groove is sleeved on the outer side of the body, hydraulic oil can be added into the body on the premise of not opening a top cover of the body, meanwhile, a liquid level switch is also arranged on the body, the liquid level switch is used for detecting the height of the liquid level, and sending the detected result to a control unit, so that a user can quickly obtain the information of the liquid level, and timely adjustment measures are taken, and a detector is further arranged on the body, and can detect the height of the liquid level in real time, thereby avoiding the problem that potential safety hazards exist because the liquid level cannot be found timely when the liquid level is too high or too low.

The structure disclosed by the embodiment of the invention comprises the following components:

A body 1; a liquid supplementing tank 2; a reflow hole 3; hydraulic oil 4; a sewage outlet 5; an inspection meter 6; a liquid level switch 7; an inner cannula 8; a first connecting rod 9; a second connecting rod 10; a liquid level check tube 11 and a connecting tube 12.

Example 1

The embodiment of the invention discloses a hydraulic safety valve, which comprises a body 1, wherein the body 1 is used for storing hydraulic oil, an inner insertion pipe assembly is arranged at the upper end of the body 1, a liquid supplementing groove 2 is sleeved on the outer side of the body 1, and the liquid supplementing groove 2 is communicated with the body 1; the hydraulic oil level detection device is characterized in that a liquid level switch 7 is arranged on the body 1, the liquid level switch 7 is used for detecting the liquid level height of hydraulic oil, and the liquid level switch 7 is connected with a controller.

Furthermore, in the embodiment of the invention, when the hydraulic oil in the body 1 overflows, the hydraulic oil enters the liquid supplementing groove 2 and returns to the body 1 through the liquid supplementing groove 2, so that the phenomenon that the hydraulic oil overflows on the surface of the storage tank and the surface of the storage tank is dirty and difficult to clean is avoided.

Further, in the embodiment of the present invention, the liquid level switch 7 is set at a mounting position according to an actual liquid level height requirement, the liquid level switch 7 is mounted at a position higher than a preset liquid level, when the liquid level height in the body 1 is lower than the preset liquid level, the hydraulic safety valve will fail, the liquid level switch 7 will be turned on, a signal is sent to the controller to remind the need of supplementing hydraulic oil, and hydraulic oil is selectively delivered to the inside of the body 1 through the liquid supplementing tank 2 or discharged.

The hydraulic safety valve disclosed by the embodiment of the invention can timely master the liquid level condition of the hydraulic oil in the body, and timely treat the liquid level condition to prevent the phenomenon that the hydraulic valve fails or the hydraulic oil overflows.

Example 2

The hydraulic safety valve comprises a body 1, wherein the body 1 is used for storing hydraulic oil, an inner insertion pipe assembly is arranged at the upper end of the body 1, a liquid supplementing groove 2 is sleeved on the outer side of the body 1, and the liquid supplementing groove 2 is communicated with the body 1; the hydraulic oil filling device is characterized in that a liquid level switch 7 is arranged on the body 1, the liquid level switch 7 is used for detecting the liquid level height of hydraulic oil, the liquid level switch 7 is connected with a controller, a backflow hole 3 is formed in the body 1, and the liquid filling groove 2 is communicated with the backflow hole 3.

Further, in the embodiment of the present invention, the reflow hole 3 is disposed above the connection portion between the body 1 and the fluid replacement tank 2, and when hydraulic oil enters the fluid replacement tank 2, the hydraulic oil enters the body 1 through the reflow hole 3.

Further, in the embodiment of the present invention, one or more oil is provided in the reflow hole 3, and according to the actual requirement, the number of openings of the reflow hole 3 can be adjusted.

Further, in the embodiment of the present invention, when a plurality of the backflow holes 3 are formed, the backflow holes may be formed at intervals along the circumferential direction of the outer side wall of the body 1.

Further, in the embodiment of the present invention, the diameter of the opening of the backflow hole 3 is 3-10mm.

Further, in the embodiment of the present invention, when the backflow hole 3 does not need to work, a plastic plug may be installed in the backflow hole 3 to block.

Example 3

The embodiment of the invention discloses a hydraulic safety valve, which comprises a body 1, wherein the body 1 is used for storing hydraulic oil, an inner insertion pipe assembly is arranged at the upper end of the body 1, a liquid supplementing groove 2 is sleeved on the outer side of the body 1, and the liquid supplementing groove 2 is communicated with the body 1; the body 1 is provided with a liquid level switch 7, the liquid level switch 7 is used for detecting the liquid level height of hydraulic oil, the liquid level switch 7 is connected with a controller, the liquid supplementing groove 2 is welded with the body 1, and the stability of connection between the body 1 and the liquid supplementing groove 2 is reinforced.

Example 4

The embodiment of the invention discloses a hydraulic safety valve, which comprises a body 1, wherein the body 1 is used for storing hydraulic oil, an inner insertion pipe assembly is arranged at the upper end of the body 1, a liquid supplementing groove 2 is sleeved on the outer side of the body 1, and the liquid supplementing groove 2 is communicated with the body 1; the utility model discloses a hydraulic fluid filling device, including body 1, liquid level switch 7 connection director, fluid infusion groove 2 is the welding with body 1, has consolidated the stability that body 1 and fluid infusion groove 2 are connected, drain 5 has been seted up on the body 1.

Furthermore, in the embodiment of the present invention, a connecting pipe 12 is provided at one side of the body 1, the tail end of the connecting pipe 12 is a drain outlet 5, the drain outlet 5 can discharge hydraulic oil without disassembling the hydraulic safety valve, and the leak tightness of the hydraulic safety valve is prevented from being reduced by multiple disassembly.

Example 5

The embodiment of the invention discloses a hydraulic safety valve, which is additionally provided with a switch valve on the basis of the embodiment 4, wherein the switch valve is arranged on a connecting pipe 12 and controls the opening and closing of a sewage outlet 5, so that the sewage is conveniently controlled.

Further, in the embodiment of the present invention, the connecting tube 12 is disposed near the bottom end of the body 1.

Example 6

The hydraulic oil storage device comprises a body 1, wherein the body 1 is used for storing hydraulic oil, an inner cannula assembly is arranged at the upper end of the body 1, a liquid supplementing groove 2 is sleeved on the outer side of the body 1, and the liquid supplementing groove 2 is communicated with the body 1; the hydraulic oil level detection device is characterized in that a liquid level switch 7 is arranged on the body 1, the liquid level switch 7 is used for detecting the liquid level height of hydraulic oil, the liquid level switch 7 is connected with a controller, a liquid level inspection meter 6 is arranged on the body 1, and the inspection meter 6 is used for detecting the height of the hydraulic oil inside the body 1.

Further, in the embodiment of the present invention, a liquid level inspection tube 11 is disposed on the connection tube 12, the liquid level inspection tube 11 is communicated with the connection tube 12, and the liquid level inspection tube 11 is vertically disposed on the connection tube 12, so that the liquid level in the inspection tube is consistent with the liquid level in the body 1, a certain distance is provided between the liquid level inspection tube 11 and the body 1, and the inspection gauge 6 is disposed at a port of the liquid level inspection tube 11.

Example 7

The embodiment of the invention discloses a hydraulic safety valve, which comprises a body 1, wherein the body 1 is used for storing hydraulic oil, an inner insertion pipe assembly is arranged at the upper end of the body 1, a liquid supplementing groove 2 is sleeved on the outer side of the body 1, and the liquid supplementing groove 2 is communicated with the body 1; the hydraulic oil level sensor is characterized in that a liquid level switch 7 is arranged on the body 1, the liquid level switch 7 is used for detecting the liquid level height of hydraulic oil, the liquid level switch 7 is connected with a controller, and the liquid level switch 7 is a capacitive sensor.

Further, in the embodiment of the present invention, the liquid level switch disclosed in the embodiment of the present invention is not limited to a capacitive sensor, and a switch capable of detecting a liquid level may be applied to the embodiment of the present invention.

Furthermore, in the embodiment of the invention, the capacitive sensor can improve the accuracy of detecting induction and avoid delay of information transmission.

Example 8

The embodiment of the invention discloses a hydraulic safety valve, which comprises a body 1, wherein the body 1 is used for storing hydraulic oil, an inner insertion pipe assembly is arranged at the upper end of the body 1, a liquid supplementing groove 2 is sleeved on the outer side of the body 1, and the liquid supplementing groove 2 is communicated with the body 1; the hydraulic oil level detection device is characterized in that a liquid level switch 7 is arranged on the body 1, the liquid level switch 7 is used for detecting the liquid level of hydraulic oil, the liquid level switch 7 is connected with a controller, the liquid level switch 7 is a capacitive sensor, the inner pipe assembly comprises a top cover and an inner pipe 8, the inner pipe 8 is arranged at the lower end of the top cover, the inner pipe 8 extends into the body 1, and the top cover is rigidly connected with a port of the body 1.

Further, in the embodiment of the invention, the port of the top cover body 1 is matched, the body 1 is sealed through the top cover, the inner insertion pipe 8 is in an annular structure, the inner insertion pipe 8 is fixed on the lower end face of the top cover, the inner insertion pipe 8 extends into the body 1, the upper end of the inner insertion pipe 8 is connected with the lower end of the top cover, and the lower end of the inner insertion pipe 8 is flush with the set liquid level height face.

Example 9

The embodiment of the invention discloses a hydraulic safety valve, which comprises a body 1, wherein the body 1 is used for storing hydraulic oil, an inner insertion pipe assembly is arranged at the upper end of the body 1, a liquid supplementing groove 2 is sleeved on the outer side of the body 1, and the liquid supplementing groove 2 is communicated with the body 1; the hydraulic oil level detection device is characterized in that a liquid level switch 7 is arranged on the body 1, the liquid level switch 7 is used for detecting the liquid level of hydraulic oil, the liquid level switch 7 is connected with a controller, the liquid level switch 7 is a capacitive sensor, the inner pipe assembly comprises a top cover and an inner pipe 8, the inner pipe 8 is arranged at the lower end of the top cover, the inner pipe 8 stretches into the body 1, the top cover is rigidly connected with a port of the body 1, and the body 1 and the top cover are connected through bolts.

Further, in the embodiment of the present invention, the specific connection structure between the body 1 and the top cover is:

A first connecting rod 9 which is vertically downward is arranged on the top cover, a second horizontal connecting rod 10 is arranged on one side of the body 1, and the tail ends of the first connecting rod 9 and the second connecting rod 10 which are close to each other are fixedly connected through bolts.

Further, in the embodiment of the invention, the upper end of the inner cannula 8 is welded and fixed with the lower end of the top cover 1, so as to strengthen the stability of connection.

The embodiment of the invention also discloses a working principle of the hydraulic safety valve:

The distance between the tail end of the inner cannula 8 and the bottom of the body 1 is H, the capacitive liquid level sensor is arranged on the side wall of the body 1, when the liquid level of hydraulic oil in the body 1 is higher than H, the hydraulic safety valve is protected by liquid seal, and when the liquid level of the hydraulic oil in the body 1 is lower than H, the hydraulic safety valve is invalid without liquid seal.

When the liquid level of the hydraulic oil in the body 1 is higher than H, the capacitive liquid level sensor outputs a closing signal, when the liquid level of the hydraulic oil in the body 1 is lower than H, the capacitive liquid level sensor outputs an opening signal, the signal is transmitted to a central control room or a certain controller, and when the input opening signal is detected, an alarm is given to remind of timely supplementing the liquid, and at the moment, the hydraulic oil can be supplemented into the body 1 through the liquid supplementing groove 2 and the backflow hole 3.

The hydraulic safety valve disclosed by the embodiment of the invention can timely check the liquid level height of the hydraulic oil in the body 1 and take timely treatment measures, so that the hydraulic safety valve can be prevented from losing due to loss of the hydraulic oil in the use process of the safety valve, and the occurrence of damage caused by air entering a storage tank is avoided.

Furthermore, when the hydraulic oil overflows, the overflow hydraulic oil is drained through the liquid return groove 2, so that the overflowed hydraulic oil returns to the inside of the body 1, and the problem that the appearance of the storage tank is dirty and difficult to clean due to outflow of the hydraulic oil is avoided.

Furthermore, the hydraulic safety valve disclosed by the embodiment of the invention can drain liquid without removing the hydraulic safety valve during sewage discharge, the sewage discharge outlet can be controlled by the switch valve, and the liquid level inspection does not need to open a top cover, so that the hydraulic safety valve is convenient to use and operate.

Furthermore, the hydraulic safety valve disclosed by the embodiment of the invention can measure and early warn the liquid level, timely supplement the liquid level and prevent the hydraulic safety valve from losing efficacy.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The hydraulic safety valve is characterized by comprising a body (1), wherein the body (1) is used for storing hydraulic oil, an inner insertion pipe assembly is arranged at the upper end of the body (1), a liquid supplementing groove (2) is sleeved on the outer side of the body (1), and the liquid supplementing groove (2) is communicated with the body (1);

The hydraulic oil level detection device is characterized in that a liquid level switch (7) is arranged on the body (1), the liquid level switch (7) is used for detecting the liquid level height of hydraulic oil, and the liquid level switch (7) is connected with a controller.

2. The hydraulic safety valve according to claim 1, wherein the body (1) is provided with a backflow hole (3), and the fluid supplementing groove (2) is communicated with the backflow hole (3).

3. A hydraulic safety valve according to claim 1, characterized in that the body (1) of the fluid-filled tank (2) is welded.

4. A hydraulic safety valve according to claim 1, characterized in that the body (1) is provided with a drain (5).

5. A hydraulic safety valve according to claim 4, characterized in that the drain (5) is provided with an on-off valve.

6. A hydraulic safety valve according to claim 1, characterized in that the body (1) is provided with a level gauge (6).

7. A hydraulic safety valve according to claim 6, characterized in that one side of the body (1) communicates with a test tube, and the inspection meter (6) is arranged at a port of the test tube.

8. A hydraulic safety valve according to claim 1, characterized in that the level switch (7) is a capacitive sensor.

9. A hydraulic safety valve according to claim 1, wherein the inner tube assembly comprises a top cover and an inner tube (8), the inner tube (8) being provided at the lower end of the top cover, the inner tube (8) extending into the interior of the body (1);

the top cover is rigidly connected with the port of the body (1).

10. A hydraulic safety valve according to claim 9, characterized in that the body (1) and the cover are connected by means of bolts.