CN217582396U - Novel pump-stopping water hammer linkage protection device - Google Patents

Abstract

The utility model discloses a novel pump water hammer linkage protector stops, including pipeline and the air jar of fixed mounting on the pipeline, the inside intercommunication of air jar and pipeline, the first barrel of air jar top fixedly connected with is equipped with first extrusion mechanism in the first barrel, vacuole formation between first extrusion mechanism and the first barrel roof, the equal fixedly connected with second barrel in first barrel both sides, all be equipped with the second extrusion mechanism in two second barrels, be connected through two connecting rods between first extrusion mechanism and two second extrusion mechanisms, the utility model discloses can subduct the harm of the pump water hammer of stopping effectively, guarantee equipment such as the pump body and staff's safety.

Description

Novel pump-stopping water hammer linkage protection device

Technical Field

The utility model relates to a novel pump shutdown water hammer linkage protection device belongs to pump shutdown water hammer protection technical field.

Background

The hydraulic impact phenomenon is called water hammer phenomenon, wherein the phenomenon of hydraulic impact is that when a valve is opened and stopped due to sudden power failure or other reasons, pressure is raised and lowered in a water pump and a pressure pipeline due to sudden change of flow speed, for example, a power system or electrical equipment is in failure, a water pump unit is in occasional failure and the like, the centrifugal pump is likely to be opened and stopped, and the pump-stopping water hammer is caused.

Local convex phenomenon appears easily at actual laying pipeline in-process, consequently can lead to the negative pressure too big and arouse the water column separation when taking place to stop pumping water hammer, and what be more serious can make pipeline and equipment destroy, causes great economic loss and personnel's damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel pump water hammer linkage protector stops to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a novel pump stopping water hammer linkage protection device, includes pipeline and the air jar of fixed mounting on the pipeline, air jar and the inside intercommunication of pipeline, the first barrel of air jar top fixedly connected with, be equipped with first extrusion mechanism in the first barrel, vacuole formation between first extrusion mechanism and the first barrel roof, the equal fixedly connected with second barrel in first barrel both sides, two all be equipped with second extrusion mechanism in the second barrel, be connected through two connecting rods between first extrusion mechanism and two second extrusion mechanisms.

Preferably, the first extrusion mechanism comprises an installation block, a piston, a limiting block and two guide rods, the piston is located inside the first cylinder, the piston is connected with the inner wall of the first cylinder in a sliding mode, the piston is matched with the first cylinder, the bottom end of the piston is fixedly connected with the installation block, the guide rods are vertically fixed on two sides of the bottom end of the installation block, the limiting block is fixedly connected to the bottom end of the first cylinder, the guide rods are movably sleeved with the limiting block, and one sides of the bottom ends of the guide rods are fixedly connected with one end of the corresponding connecting rod.

Preferably, two second extrusion mechanism all includes dead lever, fixed block, gluey piece and gasbag, it is located the second barrel to glue the piece, glue piece and second barrel looks adaptation, glue piece and second barrel inner wall sliding connection, it is equipped with the gasbag to glue between piece and the second barrel roof, glue piece bottom fixedly connected with fixed block, fixed block bottom central point puts the vertical fixation and has the dead lever, dead lever bottom one side with correspond connecting rod one end fixed connection.

Preferably, the mounting block outside is equipped with the annular, fixedly connected with sealing washer in the annular, the sealing washer outside contacts with first barrel inner wall.

Preferably, the air cylinder is filled with water.

Compared with the prior art, the beneficial effects of the utility model are that: when a water hammer occurs, the pressure in the pipeline rises, the piston moves upwards to compress air in the cavity, the rubber block can be synchronously driven to extrude the air bag to play a role of an air cushion, meanwhile, when negative pressure is formed in the pipeline, and even when water column separation occurs, water in the air cylinder can flow into the pipeline to replenish water in the pipeline, so that the harm of the water hammer of the pump stop can be effectively reduced, and the safety of equipment such as a pump body and the safety of workers are ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the first cylinder of the present invention;

fig. 3 is a schematic view of the internal structure of the second cylinder of the present invention;

fig. 4 is an enlarged schematic view of the structure at a of the present invention.

In the figure: 1. a pipeline; 2. an air cylinder; 3. a first pressing mechanism; 31. mounting blocks; 32. a piston; 33. a guide bar; 34. a limiting block; 4. a second extrusion mechanism; 41. a fixing rod; 42. an air bag; 43. a fixed block; 44. gluing blocks; 5. a connecting rod; 6. a first cylinder; 7. a cavity; 8. a second cylinder; 9. a seal ring; 10. and a ring groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a novel pump stopping water hammer linkage protection device, including pipeline 1 and the air jar 2 of fixed mounting on pipeline 1, air jar 2 and the 1 inside intercommunication of pipeline, the 2 first barrels of top fixedly connected with 6 of air jar, be equipped with first extruding means 3 in the first barrel 6, vacuole formation 7 between first extruding means 3 and the 6 roof of first barrel, the equal fixedly connected with second barrel 8 in 6 both sides of first barrel, all be equipped with second extruding means 4 in two second barrels 8, be connected through two connecting rods 5 between first extruding means 3 and two second extruding means 4, can subdue the harm of pump stopping water hammer effectively, guarantee equipment such as the pump body and staff's safety.

The first extrusion mechanism 3 comprises an installation block 31, a piston 32, a limiting block 34 and two guide rods 33, the piston 32 is located inside the first cylinder 6, the piston 32 is connected with the inner wall of the first cylinder 6 in a sliding mode, the piston 32 is matched with the first cylinder 6, the bottom end of the piston 32 is fixedly connected with the installation block 31, the guide rods 33 are vertically fixed on two sides of the bottom end of the installation block 31, the limiting block 34 is fixedly connected with the bottom end of the first cylinder 6, the two guide rods 33 are movably sleeved with the limiting block 34, one sides of the bottom ends of the two guide rods 33 are fixedly connected with one end of the corresponding connecting rod 5, the pressure in the pipeline 1 rises, the installation block 31 and the piston 32 are pushed to move upwards, and air in the cavity 7 is compressed; the two second extrusion mechanisms 4 respectively comprise a fixed rod 41, a fixed block 43, a rubber block 44 and an air bag 42, the rubber block 44 is positioned in the second cylinder 8, the rubber block 44 is matched with the second cylinder 8, the rubber block 44 is in sliding connection with the inner wall of the second cylinder 8, the air bag 42 is arranged between the rubber block 44 and the top wall of the second cylinder 8, the fixed block 43 is fixedly connected to the bottom end of the rubber block 44, the fixed rod 41 is vertically fixed at the center position of the bottom end of the fixed block 43, one side of the bottom end of the fixed rod 41 is fixedly connected with one end of the corresponding connecting rod 5, and when the mounting block 31 moves upwards, the fixed rod 41 is synchronously driven by the guide rod 33 and the connecting rod 5 to move upwards, so that the fixed block 43 and the rubber block 44 move upwards to extrude the air bag 42 to play a role of an air cushion; an annular groove 10 is formed in the outer side of the mounting block 31, a sealing ring 9 is fixedly connected into the annular groove 10, and the outer side of the sealing ring 9 is in contact with the inner wall of the first cylinder 6, so that the sealing property is ensured; the air cylinder 2 is filled with water, so that water can be supplemented into the pipeline 1 conveniently, and the harm of a water hammer for stopping pumping is reduced.

Specifically, the utility model discloses during the use, the intercommunication has air cylinder 2 on pipeline 1, utilizes the principle that gas volume is inversely proportional to pressure, and when taking place the water hammer, pipeline 1 internal pressure risees, promotes installation piece 31 and piston 32 and moves upward, compresses the air in cavity 7, when installation piece 31 shifts up, drives dead lever 41 through guide arm 33 and connecting rod 5 in step and shifts up to make fixed block 43 and gluey piece 44 shift up, extrude gasbag 42, play the effect of air cushion; when negative pressure is formed in the pipeline 1 and even water column separation occurs, water in the air cylinder 2 flows into the pipeline 1 and replenishes water into the pipeline 1, so that the harm of a water hammer for stopping a pump can be effectively reduced, and the safety of equipment such as a pump body and the like and the safety of workers are ensured.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a novel pump water hammer linkage protection device stops, includes pipeline (1) and air jar (2) of fixed mounting on pipeline (1), its characterized in that: the air cylinder (2) is communicated with the inside of the pipeline (1), a first cylinder (6) is fixedly connected to the top of the air cylinder (2), a first extruding mechanism (3) is arranged in the first cylinder (6), a cavity (7) is formed between the first extruding mechanism (3) and the top wall of the first cylinder (6), second cylinders (8) are fixedly connected to the two sides of the first cylinder (6), second extruding mechanisms (4) are arranged in the two second cylinders (8), and the first extruding mechanism (3) is connected with the two second extruding mechanisms (4) through two connecting rods (5).

2. The novel pump-stopping water hammer linkage protection device according to claim 1, characterized in that: first extrusion mechanism (3) are including installation piece (31), piston (32), stopper (34) and two guide arms (33), piston (32) are located inside first barrel (6), piston (32) and first barrel (6) inner wall sliding connection, piston (32) and first barrel (6) looks adaptation, piston (32) bottom fixedly connected with installation piece (31), installation piece (31) bottom both sides all are fixed with guide arm (33) perpendicularly, first barrel (6) bottom fixedly connected with stopper (34), two guide arm (33) all cup joint with stopper (34) activity, two guide arm (33) bottom one side all with correspond connecting rod (5) one end fixed connection.

3. The novel pump-stopping water hammer linkage protection device according to claim 1, characterized in that: two second extrusion mechanism (4) all include dead lever (41), fixed block (43), glue piece (44) and gasbag (42), glue piece (44) and be located second barrel (8), glue piece (44) and second barrel (8) looks adaptation, glue piece (44) and second barrel (8) inner wall sliding connection, be equipped with gasbag (42) between gluey piece (44) and second barrel (8) roof, glue piece (44) bottom fixedly connected with fixed block (43), fixed block (43) bottom central point puts vertical fixation has dead lever (41), dead lever (41) bottom one side with correspond connecting rod (5) one end fixed connection.

4. The novel pump-stop water hammer linkage protection device as claimed in claim 2, wherein: the mounting block (31) outside is equipped with annular (10), fixedly connected with sealing washer (9) in annular (10), sealing washer (9) outside and first barrel (6) inner wall contact.

5. The novel pump-stop water hammer linkage protection device as claimed in claim 1, wherein: the air cylinder (2) is filled with water.

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