CN215726781U

CN215726781U - Valve flow testing device

Info

Publication number: CN215726781U
Application number: CN202121528899.6U
Authority: CN
Inventors: 郑华
Original assignee: Zhejiang Cizhong Automatic Control Valve Co ltd
Current assignee: Zhejiang Cizhong Automatic Control Valve Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-02-01
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses a valve flow testing device which comprises a circulating water pool, wherein a pipeline is connected to the circulating water pool, the pipeline is connected with a telescopic pipe assembly, the telescopic pipe assembly is formed by sequentially connecting a plurality of built-in pipes and an outer sleeve, outwards-protruding clamping rings are arranged at two ends of the built-in pipes, inwards-extending sleeve rings are arranged at two ends of the outer sleeve, a spring is arranged between each sleeve ring and each clamping ring, and a limiting ring is movably arranged on the outer side wall of each built-in pipe. The utility model has the advantages of simple structure and convenient disassembly and assembly.

Description

Valve flow testing device

Technical Field

The utility model relates to a flow testing device, in particular to a valve flow testing device.

Background

At present, the specifications of valves are many, the lengths of various valve structures are different, in order to meet the testing requirements, a pipeline extension device is generally required to be additionally arranged on a main testing pipeline of a flow testing device, the structure of the pipeline extension device is shown in figure 4, the installation of the pipeline extension device is time-consuming and labor-consuming, and the disassembly and the assembly are inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a valve flow testing device. The utility model has the advantages of simple structure and convenient disassembly and assembly.

The technical scheme of the utility model is as follows: the utility model provides a valve flow testing arrangement, includes the circulating water pond, is connected with the pipeline on the circulating water pond, the pipe connection has the extension tube subassembly, the extension tube subassembly is connected gradually by a plurality of built-in pipes and outer tube and forms, and the built-in pipe both ends are equipped with outside bellied snap ring, and the outer tube both ends are equipped with the lantern ring of inside extension, the lantern ring with be equipped with the spring between the snap ring, the activity is equipped with the spacing ring on the built-in pipe lateral wall.

In the aforementioned valve flow testing device, the inner wall of the collar is in sliding fit with the outer side wall of the adjacent inner tube, and the outer side wall of the snap ring is in sliding fit with the inner side wall of the adjacent outer tube.

In the aforementioned valve flow testing apparatus, the limiting ring includes an 1/3 ring, the diameter of the inner wall of the 1/3 ring is the same as the diameter of the outer side wall of the inner pipe, and a grip is disposed in the middle of the outer wall of the 1/3 ring.

In the valve flow testing device, the water suction pipe at the bottom of the circulating water tank is connected with the water inlet of the multistage centrifugal pump, and the water outlet of the multistage centrifugal pump is connected with the pressure stabilizing device.

In the valve flow testing device, the pipeline is divided into the first pipeline and the second pipeline.

In the valve flow testing device, the first pipeline is sequentially provided with the first water inlet valve, the first flowmeter, the first valve to be tested and the first water return valve along the water flow direction, and the first water return valve and the multistage centrifugal pump are both connected to the control cabinet.

In the valve flow testing device, the rear end of the pressure stabilizing device, the front end and the rear end of the first valve to be tested, and the first flowmeter are all connected to the data acquisition unit.

In the valve flow testing device, the second water inlet valve, the second flowmeter, the second valve to be tested and the second water return valve are sequentially arranged on the second pipeline along the water flow direction.

Compared with the prior art, the main testing pipeline part is connected with the telescopic pipe assembly, the telescopic pipe assembly is formed by sequentially connecting a plurality of built-in pipes and an outer sleeve, a spring is arranged between the built-in pipes and the outer sleeve, the outer side wall of each built-in pipe is movably provided with a limiting ring, and the length of the pipeline is controlled by the limiting ring, so that the valve testing requirements of various sizes can be met. Therefore, the utility model has the advantages of simple structure and convenient disassembly and assembly.

Drawings

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

FIG. 2 is a schematic structural view of a telescoping tube assembly of the present invention;

FIG. 3 is a schematic view of a stop collar according to the present invention;

fig. 4 is a schematic structural view of the pipe extension device.

The labels in the figures are: the device comprises a 1-circulating water pool, a 2-pressure stabilizing device, a 3-1-first flowmeter, a 3-2-second flowmeter, a 4-pipeline, a 41-telescopic pipe assembly, a 411-built-in pipe, a 411-1-snap ring, a 412-outer sleeve, a 412-1-lantern ring, a 413-spring, a 414-limiting ring, a 414-1-1/3 circular ring, a 414-2-gripper, a 5-control cabinet, a 6-data collector, a 7-multistage centrifugal pump, a 8-1-first water inlet valve, a 8-2-second water inlet valve, a 9-1-first water return valve, a 9-2-second water return valve, a-1-first valve to be tested and a-2-second valve to be tested.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model.

Examples are given. The utility model provides a valve flow testing arrangement, constitutes as shown in fig. 1-3, includes circulating water pond 1, is connected with pipeline 4 on the circulating water pond 1, its characterized in that: the pipeline 4 is connected with an extension pipe assembly 41, the extension pipe assembly 41 is formed by sequentially connecting a plurality of built-in pipes 411 and an outer sleeve 412, a spring 413 is arranged between the adjacent built-in pipes 411 and the outer sleeve 412, two ends of each built-in pipe 411 are provided with clamping rings 411-1 protruding outwards, two ends of the outer sleeve 412 are provided with inwards extending lantern rings 412-1, the clamping rings 411-1 and the lantern rings 412-1 press two ends of the spring 413, and the outer side wall of each built-in pipe 411 is movably connected with a limiting ring 414.

The inner wall of the collar 412-1 is in sliding fit with the outer side wall of the adjacent inner tube 411, and the outer side wall of the snap ring 411-1 is in sliding fit with the inner side wall of the adjacent outer tube 412.

The limiting ring 414 comprises 1/3 circular rings 414-1, 1/3 circular rings 414-1, the diameter of the inner wall of which is the same as that of the outer side wall of the inner catheter 411, and a handle 414-2 is arranged in the middle of the outer wall of the 1/3 circular ring 414-1.

The water suction pipe at the bottom of the circulating water tank 1 is connected with the water inlet of the multistage centrifugal pump 7, and the water outlet of the multistage centrifugal pump 7 is connected with the pressure stabilizing device 2.

The pipeline 4 is divided into a first pipeline and a second pipeline.

The first pipeline is sequentially provided with a first water inlet valve 8-1, a first flowmeter 3-1, a first valve a-1 to be tested and a first water return valve 9-1 along the water flow direction, and the first water return valve 9-1 and the multistage centrifugal pump 7 are connected to the control cabinet 5.

The rear end of the pressure stabilizing device 2, the front end and the rear end of the first valve a-1 to be tested and the first flowmeter 3-1 are all connected to the data acquisition unit 6.

And a second water inlet valve 8-2, a second flowmeter 3-2, a second valve a-2 to be tested and a second water return valve 9-2 are sequentially arranged on the second pipeline along the water flow direction.

The working principle is as follows: as shown in figures 1-3, the utility model firstly takes down the spacing rings 414 one by one in the extension tube component 41, compresses the extension tubes, installs the valve to be tested in the part to be tested, and then installs the spacing rings 414 one by one until the valve is firmly installed without shaking, starts the switch button, can simulate the water flow state through the multistage centrifugal pump, adjusts the inlet pressure and the flow of the valve to be tested, and can test the flow characteristics under different inlet pressures and different flows through the valve flow test device.

Claims

1. The utility model provides a valve flow testing arrangement, includes circulating water pond (1), is connected with pipeline (4), its characterized in that on circulating water pond (1): the pipeline (4) is connected with a telescopic pipe assembly (41), the telescopic pipe assembly (41) is formed by sequentially connecting a plurality of built-in pipes (411) and an outer sleeve (412), outwards-protruding clamping rings (411-1) are arranged at two ends of the built-in pipes (411), inwards-extending clamping rings (412-1) are arranged at two ends of the outer sleeve (412), a spring (413) is arranged between the clamping rings (411-1) and the sleeve rings (412-1), and a limiting ring (414) is movably arranged on the outer side wall of each built-in pipe (411).

2. A valve flow test apparatus as claimed in claim 1, wherein: the inner wall of the lantern ring (412-1) is in sliding fit with the outer side wall of the adjacent built-in pipe (411), and the outer side wall of the snap ring (411-1) is in sliding fit with the inner side wall of the adjacent outer sleeve (412).

3. A valve flow test apparatus as claimed in claim 1, wherein: the limiting ring (414) comprises an 1/3 circular ring (414-1), the diameter of the inner wall of the 1/3 circular ring (414-1) is the same as that of the outer side wall of the built-in pipe (411), and a gripper (414-2) is arranged in the middle of the outer wall of the 1/3 circular ring (414-1).

4. A valve flow test apparatus as claimed in claim 1, wherein: the water suction pipe at the bottom of the circulating water tank (1) is connected with the water inlet of the multistage centrifugal pump (7), and the water outlet of the multistage centrifugal pump (7) is connected with a pressure stabilizer (2) in the direction.

5. The valve flow testing device of claim 4, wherein: the pipeline (4) is divided into a first pipeline and a second pipeline.

6. The valve flow testing apparatus of claim 5, wherein: the first pipeline is sequentially provided with a first water inlet valve (8-1), a first flowmeter (3-1), a first valve to be tested (a-1) and a first water return valve (9-1) along the water flow direction, and the first water return valve (9-1) and the multistage centrifugal pump (7) are connected to the control cabinet (5).

7. The valve flow test apparatus of claim 6, wherein: the rear end of the pressure stabilizing device (2), the front end and the rear end of the first valve to be tested (a-1) and the first flowmeter (3-1) are all connected to the data acquisition unit (6).

8. The valve flow testing apparatus of claim 5, wherein: and a second water inlet valve (8-2), a second flowmeter (3-2), a second valve to be tested (a-2) and a second water return valve (9-2) are sequentially arranged on the second pipeline along the water flow direction.