Valve loading capacity testing device

Abstract

The utility model provides a valve loading capacity testing device, which comprises a main pipe, a first branch pipe and a plurality of plugging pieces, the main pipe is arranged along the horizontal direction, the top of the main pipe is respectively provided with a pressure measuring piece and an exhaust piece, the bottom of the main pipe is respectively provided with a water injection piece and a water drainage piece, and the water injection piece is used for being connected with a water outlet of a booster pump; the first branch pipe is connected to the peripheral wall of the main pipe, blind plates are connected to the two ends of the main pipe and the outer end of the first branch pipe, a plurality of sets of fixing grooves which are sequentially distributed from inside to outside are formed in the outer end face of each blind plate, and each set of fixing grooves comprises a plurality of fixing grooves which are distributed in the circumferential direction and used for being connected with a flange plate of a valve through bolts. A water passing hole penetrates through the middle part of the blind plate; the plugging pieces are arranged on the blind plates in a one-to-one correspondence mode and used for plugging the water passing holes. The valve loading capacity testing device provided by the utility model can be suitable for testing valves of various different specifications, and the repeated utilization of the valve loading capacity testing device is realized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to valve pressure test technical field, more specifically, relate to a valve pressure capacity testing device. BACKGROUND

[0002] Most of the mechanical and electrical engineering projects involve valves, according to the specification requirements, the valve is put into the strength and tightness test after entering the field. Basically, when each project is carried out, the simple valve pressure capacity testing device corresponding to the specification is separately made, the safety is low, and it is used once, the turnover rate is low, after using, it is generally treated as waste material, a large amount of manpower and material resources are spent, the cost and construction period are increased, and waste is serious. UTILITY MODEL CONTENT

[0003] The utility model embodiment provides a valve pressure capacity testing device, can adapt to the valve test of multiple different specifications, realizes the reuse of valve pressure capacity testing device.

[0004] In order to realize the above object, the utility model adopts the technical scheme of providing a valve pressure capacity testing device, including main pipe, first branch pipe and a plurality of plugging pieces, the main pipe is arranged along the horizontal direction, the top of the main pipe is respectively equipped with pressure measuring piece and exhaust piece, the bottom of the main pipe is respectively equipped with water injection part and drain part, and the water injection part is used for being connected with the water outlet of the pressure pump;The first branch pipe is connected on the outer peripheral wall of the main pipe, and the both ends of the main pipe and the outer end of the first branch pipe are all connected with blind plate, a plurality of groups of fixed grooves arranged in sequence from inside to outside are arranged on the outer end surface of the blind plate, each group of fixed grooves includes a plurality of circumferentially arranged fixed grooves, is used for being connected with the flange plate of the valve through bolt, and the middle part of the blind plate is provided with water passing hole;A plurality of plugging pieces are arranged on a plurality of blind plates one by one, and are used for plugging the water passing hole.

[0005] In a possible implementation manner, a plurality of connecting holes are arranged on the blind plate and are spaced apart along the circumference of the blind plate, are used for being connected with the flange plate of the valve through bolt connecting assembly, and the connecting hole is located on the outside of the fixed groove.

[0006] In a possible implementation manner, the hexagon nut is connected on the groove bottom wall of the fixed groove.

[0007] In a possible implementation manner, the outer peripheral wall of the main pipe is connected with the second branch pipe, and the outer end of the second branch pipe is provided with the pipe cap for plugging the water outlet of the second branch pipe.

[0008] In a possible implementation manner, the pressure measuring piece is a pressure gauge.

[0009] In a possible implementation manner, the exhaust piece includes the exhaust pipe connected on the outer peripheral wall of the main pipe and the exhaust valve arranged on the exhaust pipe.

[0010] In a possible implementation, the water injection member comprises a water injection pipe connected to the outer peripheral wall of the main pipe and a water injection valve arranged on the water injection pipe.

[0011] In a possible implementation, the water injection member comprises a water injection pipe connected to the outer peripheral wall of the main pipe and a water injection valve arranged on the water injection pipe.

[0012] The valve pressure-bearing capacity testing device provided by the embodiment can be applied to different projects and has higher safety compared with the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0014] Figure 1 The structure schematic diagram of the valve pressure-bearing capacity testing device provided by the embodiment of the present application is shown in the figure.

[0015] Figure 2 The structure schematic diagram of the valve pressure-bearing capacity testing device provided by the embodiment of the present application is shown in the figure. Figure 1 The local enlarged structure schematic diagram of the I place in the embodiment of the present application is shown in the figure.

[0016] In the figure, various reference signs are as follows:

[0017] 10, main pipe; 20, pressure measuring member; 30, exhaust member; 31, exhaust valve; 32, exhaust pipe; 40, water injection member; 41, water injection pipe; 42, water injection valve; 50, water drainage member; 51, water drainage pipe; 52, water drainage valve; 60, first branch pipe; 70, blind plate; 71, fixing groove; 72, water passing hole; 73, connecting hole; 74, hexagonal nut; 80, plugging member; 90, second branch pipe; 91, pipe cap. DETAILED DESCRIPTION

[0018] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the following will further describe the present application in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0019] It should be noted that when an element is referred to as being "disposed on" another element, it can be directly on the other element or indirectly on the other element. It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer", and the like, indicate relative positions or orientations based on the positions or orientations shown in the drawings, and are used only for convenience in describing the present application and simplifying the 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 cannot be understood as limiting the present application. The terms "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "several" is two or more, unless otherwise specifically limited.

[0020] By Figure 1 the top and bottom positions of the main pipe 10 described in the text can be determined.

[0021] Please refer to Figure 1 and Figure 2 , the valve pressure test device provided by the utility model will be described. The valve pressure test device comprises a main pipe 10, a first branch pipe 60 and a plurality of sealing members 80, the main pipe 10 is arranged along the horizontal direction, the top of the main pipe 10 is respectively provided with a pressure measuring member 20 and an exhaust member 30, the bottom of the main pipe 10 is respectively provided with a water injection member 40 and a water drainage member 50, the water injection member 40 is used for being connected with the water outlet of a pressure pump; the first branch pipe 60 is connected to the outer peripheral wall of the main pipe 10, the two ends of the main pipe 10 and the outer ends of the first branch pipe 60 are both connected with blind plates 70, a plurality of groups of fixed grooves 71 are sequentially arranged from the inside to the outside on the outer end face of the blind plate 70, each group of fixed grooves 71 comprises a plurality of circumferentially arranged fixed grooves 71, which are used for being connected with the flange plate of the valve through bolts, a water passing hole 72 is arranged in the middle of the blind plate 70; the plurality of sealing members 80 are arranged one by one on the plurality of blind plates 70, and are used for sealing the water passing hole 72.

[0022] Further, the main pipe 10 adopts a welded steel pipe DN600 (630*12) with a thickness of 12 mm, and the connection of each reserved first branch pipe 60 adopts automatic welding to ensure the welding quality.

[0023] Further, the first branch pipe 60 is arranged in two groups along the axial direction of the main pipe 10, each group of first branch pipes 60 comprises two first branch pipes 60 symmetrically arranged on the two sides of the main pipe 10, and the inner diameters of the first branch pipes 60 in each group are different.

[0024] Further, the valve specifications that can be installed on the blind plates 70 at both ends of the main pipe 10 are the same, and the valve specifications that can be installed on the two blind plates 70 in each group of first branch pipes 60 are the same.

[0025] Further, the sealing member 80 is screwed into the water passage hole 72 Figure 1 The sealing member 80 is hidden in the blind plate 70, facilitating display of the water passage hole 72.

[0026] In the actual use process of the valve pressure-bearing capacity testing device provided in the embodiments of the present application, before use, the main pipe 10 is erected on a preset support, and the valve to be tested is installed on the corresponding blind plate 70. Different specifications of valves correspond to different groups of fixing grooves 71, so that the valve is connected to the corresponding group of fixing grooves 71 on the blind plate 70 through bolt connection. The water passage hole 72 on the unused blind plate 70 is sealed with the sealing member 80. The outlet of the pressurizing pump is connected to the water injection member 40. The exhaust member 30 is opened, the inlet of the pressurizing pump is connected to a water source, the power supply of the pressurizing pump is inserted, water is injected into the main pipe 10, and after the exhaust member 30 discharges stable water flow, the exhaust member 30 is closed. The pressurizing pump is used to slowly and step by step pressurize the device. When the pressure measuring member 20 reaches 0.05 MPa, the pressure is maintained for 3 min, the pressurizing is stopped, and a comprehensive inspection is performed. If there is an abnormality, the pressure should be released. If there is no abnormality, the pressurizing is continued step by step, and the pressure is maintained for 3 min at each level, which is 10% of the test pressure. If there is no abnormality in the inspection, the pressurizing is continued. The shell strength test pressure of the valve should be 1.5 times the nominal pressure under normal temperature conditions, and the pressure maintaining time is 5 min. The shell and packing of the valve should have no leakage. The tightness test pressure should be 1.1 times the nominal pressure, and the pressure should be kept unchanged during the test duration. The valve pressure test duration and the allowable leakage amount should meet the provisions. If there is no abnormality in the inspection, the test pressure is considered to be qualified. The drain member 50 and the exhaust valve 31 are opened to drain and depressurize, until the pressure is 0 MPa, and the tested valve is removed.

[0027] Compared with the prior art, the valve pressure-bearing capacity testing device provided in the embodiments of the present application can be used for testing different specifications of valves, and can be repeatedly used for different projects. Compared with a simple testing device, the valve pressure-bearing capacity testing device has high safety.

[0028] In a possible implementation, the blind plate 70 has a structure as shown in Figure 2 , and as shown in Figure 2 , a plurality of connection holes 73 are arranged on the blind plate 70 and spaced apart along the circumference of the blind plate 70, for connecting the flange plate of the valve through a bolt connection assembly. The connection holes 73 are located outside the fixing grooves 71.

[0029] Specifically, the connecting hole 73 is arranged close to the outer edge of the blind plate 70, and is suitable for a valve of a larger size, so that the flange on the valve of the corresponding size is abutted against the blind plate 70, the through hole on the flange is aligned with the connecting hole 73, and the valve is fixed on the blind plate through a bolt connecting assembly penetrating through the through hole and the connecting hole 73, thereby improving the connection stability.

[0030] The bolt connecting assembly comprises a bolt and a nut screwed on the bolt.

[0031] In a possible implementation, the fixing groove 71 has a structure as shown in Figure 2 , and as shown in Figure 2 , a hexagonal nut 74 is connected to the groove bottom wall of the fixing groove 71.

[0032] Specifically, the hexagonal nut 74 is welded to the groove bottom wall of the fixing groove 71, so that the valve is connected with the hexagonal nut 74 through a bolt, thereby improving the connection stability.

[0033] In a possible implementation, the main pipe 10 has a structure as shown in Figure 2 , and as shown in Figure 2 , a second branch pipe 90 is connected to the outer peripheral wall of the main pipe 10, and a pipe cap 91 for plugging the water outlet of the second branch pipe 90 is arranged at the outer end of the second branch pipe 90.

[0034] Specifically, the second branch pipe 90 is located at the top of the main pipe 10, and is used for installing a valve of a small size, so that the valve is screwed with the second branch pipe 90, and the unused second branch pipe 90 is plugged with the pipe cap 91, thereby adapting to more sizes of valves.

[0035] Further, the pipe cap 91 is screwed with the second branch pipe 90.

[0036] Further, the second branch pipe 90 is provided with two groups and is symmetrically arranged on both sides of the axis of the main pipe 10, each group of the second branch pipe 90 comprises a plurality of second branch pipes 90 arranged at intervals in the axial direction of the main pipe 10, and the inner diameters of the plurality of second branch pipes 90 in each group of the second branch pipe 90 gradually increase or decrease in the axial direction of the main pipe 10 (in order to facilitate display, Figure 1 the pipe caps 91 on one group of the second branch pipes 90 have been hidden).

[0037] In a possible implementation, the pressure measuring element 20 has a structure as shown in Figure 2 , and as shown in Figure 2 , the pressure measuring element 20 is a pressure gauge.

[0038] Specifically, the pressure gauge is arranged, so that the pressure change in the main pipe 10 can be monitored in real time, thereby improving the convenience of use.

[0039] In a possible implementation, the exhaust member 30 adopts the structure as shown in Figure 2 , referring to Figure 2 , the exhaust member 30 comprises an exhaust pipe 32 connected to the outer peripheral wall of the main pipe 10 and an exhaust valve 31 arranged on the exhaust pipe 32.

[0040] Specifically, when exhaust is needed, the main pipe 10 can be exhausted by opening the exhaust valve 31 to release pressure, and the exhaust valve 31 is closed after the exhaust is completed, which improves the convenience of use.

[0041] In a possible implementation, the water injection member 40 adopts the structure as shown in Figure 2 , referring to Figure 2 , the water injection member 40 comprises a water injection pipe 41 connected to the outer peripheral wall of the main pipe 10 and a water injection valve 42 arranged on the water injection pipe 41.

[0042] Specifically, when water injection into the main pipe 10 is needed, the water injection valve 42 is opened, and the pressurized pump injects water into the main pipe 10 through the main water pipe, and the water injection valve 42 is closed in normal times to avoid foreign matters from entering.

[0043] In a possible implementation, the water drainage member 50 adopts the structure as shown in Figure 1 and Figure 2 , referring to Figure 1 and Figure 2 , the water drainage member 50 comprises a water drainage pipe 51 connected to the outer peripheral wall of the main pipe 10 and a water drainage valve 52 arranged on the water drainage pipe 51.

[0044] Specifically, after the valve test is completed, the water drainage valve 52 is opened, and the main pipe 10 can be drained to facilitate the next use.

[0045] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A valve pressure containment testing apparatus, characterized by, The utility model relates to a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves.

2. The valve pressure containment testing apparatus of claim 1, wherein, The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves.

3. The valve pressure containment testing apparatus of claim 1, wherein, The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves.

4. The valve pressure containment testing apparatus of claim 1, wherein, The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves.

5. The valve pressure containment testing apparatus of claim 1, wherein, The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves.

6. The valve pressure containment testing apparatus of claim 1, wherein, The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves.

7. The valve pressure containment testing apparatus of claim 1, wherein, The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves.

8. The valve pressure containment testing apparatus of claim 1, wherein, The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field of valves. The utility model discloses a valve body and a valve body assembly, and belongs to the technical field

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