Electromechanical engineering valve assembly type leakproofness automatic test device

Abstract

The utility model relates to an electromechanical engineering valve assembly type leakproofness automatic test device comprising a water storage pipeline, the water storage pipeline is transversely arranged, the upper surface of the water storage pipeline is provided with a plurality of first flange connection branch pipes, and the lower surface of the water storage pipeline is provided with a plurality of second flange connection branch pipes. The plurality of first flange connecting branch pipes and the plurality of second flange connecting branch pipes are communicated with the interior of the water storage pipeline; the nominal diameters of the first flange connecting branch pipes are different, and the nominal diameters of the second flange connecting branch pipes are different. Each first flange connecting branch pipe is detachably connected with a first flange blind plate, each second flange connecting branch pipe is detachably connected with a second flange blind plate, and each second flange connecting branch pipe is correspondingly provided with a set of matched threaded valve flange pipes. A pressure gauge is installed on the water storage pipeline, the water storage pipeline is connected with the press machine through a connecting pipeline, and the pressure gauge is electrically connected with the press machine through a cable.

Description

Technical Field

[0001] The utility model relates to the technical field related to the construction of building electromechanical engineering, and in particular to an assembled tightness automatic testing device for electromechanical engineering valves. Background Art

[0002] At present, the types of valves involved in the construction of electromechanical installation projects are numerous and complex. Before installation, it is rare to conduct a full coverage tightness test on the valves on site. Traditional valve testing devices can only conduct tightness tests on a single valve, which is time-consuming, labor-intensive and inefficient. In particular, some important installation projects have higher requirements for valve tightness, and all valves need to be tested in advance. The number of tests is huge, and a test device that can automatically test multiple types at the same time is needed. Utility Model Content

[0003] In order to solve one or more technical problems existing in the prior art, the utility model provides an automatic tightness test device for assembled valves in electromechanical engineering.

[0004] The utility model solves the above-mentioned technical problems with the following technical solutions: an assembled tightness automatic test device for electromechanical engineering valves, comprising a water storage pipe, the water storage pipe is arranged horizontally, a plurality of first flange connection branches are arranged on the upper surface of the water storage pipe, a plurality of second flange connection branches are arranged on the lower surface of the water storage pipe, the plurality of first flange connection branches and the plurality of second flange connection branches are all connected to the inside of the water storage pipe; the nominal diameters of the first flange connection branches are different, and the nominal diameters of the second flange connection branches are different; a first flange blind plate is detachably connected to each first flange connection branch, a second flange blind plate is detachably connected to each second flange connection branch, a group of matching threaded valve flange pipes are correspondingly provided on each second flange connection branch, and the flange end of the threaded valve flange pipe can be matched and installed on the corresponding second flange connection branch; both ends of the water storage pipe are closed, a pressure gauge is installed on the water storage pipe, the water storage pipe is connected to a press through a connecting pipe, and the pressure gauge is electrically connected to the press through a cable.

[0005] The beneficial effects of the utility model are as follows: the mechanical and electrical engineering valve assembly tightness automatic testing device of the utility model can install various types of flange valves on the first flange connection branch pipes for tightness testing by arranging multiple first flange connection branch pipes and multiple second flange connection branch pipes on the water storage pipe, and can also first install the threaded valve flange pipe on the second flange connection branch pipe, and then install the threaded valve on the threaded valve flange pipe to perform a tightness test on the threaded valve.

[0006] On the basis of the above technical solution, the present invention can also be improved as follows.

[0007] Furthermore, a pressure valve is provided on the connecting pipeline.

[0008] Furthermore, one end of the water storage pipe is sealed with a sealing flange, and the other end of the water storage pipe is an integrally cast closed structure.

[0009] The beneficial effect of adopting the above further scheme is that the sealing flange is used for sealing, and the daily maintenance of the water storage pipeline can be carried out by opening the sealing flange.

[0010] Furthermore, the connecting pipe is connected to the integrally cast closed structure at the other end of the water storage pipe and is communicated with the interior of the water storage pipe.

[0011] Furthermore, along the axial direction of the water storage pipe, the sizes of the plurality of first flange connection branch pipes gradually increase or decrease.

[0012] Furthermore, along the axial direction of the water storage pipe, the sizes of the plurality of second flange connection branches gradually increase or decrease.

[0013] Furthermore, it also includes a support base, and the water storage pipe is transversely fixed on the support base.

[0014] The beneficial effect of adopting the above further solution is that by providing a support base, it is convenient to install and fix the water storage pipeline.

[0015] Furthermore, the support base includes a base and an inverted U-shaped fixing clip, and the inverted U-shaped fixing clip clamps the water storage pipe on the base.

[0016] Furthermore, there are two support bases, and the water storage pipe is fixed on the two support bases respectively near the two ends.

[0017] Furthermore, the support base is an inverted U-shaped base, and a reinforcing rod is connected between two vertical arms of the inverted U-shaped base. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a top view structural diagram of the utility model of the automatic tightness test device for assembled mechanical and electrical engineering valves;

[0019] Figure 2 It is a three-dimensional structural diagram of the utility model of the automatic test device for tightness of assembled valves in electromechanical engineering;

[0020] Figure 3 This is a schematic diagram of the main structure of the utility model of the automatic test device for tightness of assembled valves in electromechanical engineering;

[0021] Figure 4 The structure diagram of the threaded valve flange pipe of the utility model Figure 1;

[0022] Figure 5 The structure diagram of the threaded valve flange pipe of the utility model Figure 2 ;

[0023] Figure 6 The structure diagram of the threaded valve flange pipe of the utility model Figure 3 ;

[0024] Figure 7 The structure diagram of the threaded valve flange pipe of the utility model Figure 4 ;

[0025] Figure 8 The structure diagram of the threaded valve flange pipe of the utility model Figure 5 ;

[0026] Fig. 9 The structure diagram of the threaded valve flange pipe of the utility model Figure 6 ;

[0027] Fig.10 The structure diagram of the threaded valve flange pipe of the utility model Figure 7 ;

[0028] Fig.11 The structure diagram of the threaded valve flange pipe of the utility model Figure 8 .

[0029] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0030] 1. Water storage pipe; 2. First flange connecting branch pipe; 3. Second flange connecting branch pipe; 4. First flange blind plate; 5. Second flange blind plate; 6. Pressure gauge; 7. Connecting pipe; 8. Press; 9. Pressurizing valve; 10. Sealing flange; 11. Inverted U-shaped fixing card; 12. Inverted U-shaped base; 13. Reinforcement rod; 14. Flange gate valve; 15. Cable; 16. Threaded valve flange pipe. DETAILED DESCRIPTION

[0031] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0032] like Figures 1 to 11As shown, an automatic test device for tightness of assembled mechanical and electrical engineering valves of this embodiment comprises a water storage pipe 1, the water storage pipe 1 is arranged horizontally, a plurality of first flange connection branches 2 are provided on the upper surface of the water storage pipe 1, a plurality of second flange connection branches 3 are provided on the lower surface of the water storage pipe 1, the plurality of first flange connection branches 2 and the plurality of second flange connection branches 3 are all connected to the inside of the water storage pipe 1; the nominal diameters of the first flange connection branches 2 are different, the nominal diameters of the second flange connection branches 3 are different; each first flange connection branch 2 is detachably connected to a first flange blind plate 4, each second flange connection branch pipe 3 is detachably connected to a second flange blind plate 5, each second flange connection branch pipe 3 is correspondingly provided with a set of adaptive threaded valve flange pipes 16, and the flange ends of the threaded valve flange pipes 16 can be adaptively installed on the corresponding second flange connection branch pipe 3; both ends of the water storage pipeline 1 are closed, a pressure gauge 6 is installed on the water storage pipeline 1, the water storage pipeline 1 is connected to the press 8 through the connecting pipe 7, and the pressure gauge 6 is electrically connected to the press 8 through the cable 15.

[0033] The nominal diameter (DN value) of the first flange connection branch pipe 2 is 15 mm to 80 mm, and the nominal diameter (DN value) of the second flange connection branch pipe 3 is 100 mm to 400 mm. The threaded valve flange pipe 16 includes a threaded pipe and a flange with holes. One end of the threaded pipe is fixed at the center hole of the flange with holes. Threaded valve flange pipes of different sizes are as follows: Figures 4 to 11 .

[0034] Specifically, the free end of the first flange connection branch pipe 2 is arranged upward and is provided with a first connection flange, and the free end of the second flange connection branch pipe 3 is arranged downward and is provided with a second connection flange. When not in use, the first flange blind plate 4 can be used to cover and fix the first connection flange of the first flange connection branch pipe 2 for sealing, and the second flange blind plate 5 can be used to cover and fix the second connection flange of the second flange connection branch pipe 3 for sealing. Figure 1 to Figure 3 When in use, remove the first flange blind plate 4 of the corresponding size and install the flange valve to be tested of the same size; or remove the second flange blind plate 5 of the corresponding size and install the threaded valve flange pipe 16 of the same size, and screw the threaded valve to be tested onto the threaded pipe end of the threaded valve flange pipe 16. Figure 1 to Figure 3 A schematic diagram is given of installing the flange gate valve 14 on the corresponding first flange connecting branch pipe 2 for testing.

[0035] The flange valve and the threaded valve to be tested can be connected and fixed to the flange ends of the first flange connecting branch pipe 2 and the second flange connecting branch pipe 3 by using the groove flange.

[0036] like Figure 1 to Figure 3As shown, a pressurizing valve 9 is provided on the connecting pipe 7 of this embodiment.

[0037] like Figure 1 to Figure 3 As shown, one end of the water storage pipe 1 of this embodiment is sealed with a plugging flange 10, and the other end of the water storage pipe 1 is an integrally cast closed structure. The plugging flange is used for sealing, and the water storage pipe can be routinely maintained by opening the plugging flange.

[0038] like Figure 1 to Figure 3 As shown, the connecting pipe 7 of this embodiment is connected to the integrally cast closed structure at the other end of the water storage pipe 1 and is communicated with the interior of the water storage pipe 1 .

[0039] like Figure 1 to Figure 3 As shown, in the axial direction of the water storage pipe 1, the sizes of the plurality of first flange connection branch pipes 2 gradually increase or decrease. In the axial direction of the water storage pipe 1, the sizes of the plurality of second flange connection branch pipes 3 gradually increase or decrease.

[0040] like Figure 1 to Figure 3 As shown, the mechanical and electrical engineering valve assembly tightness automatic test device of this embodiment also includes a support base, and the water storage pipe 1 is transversely fixed on the support base. By setting the support base, it is convenient to install and fix the water storage pipe.

[0041] like Figure 1 to Figure 3 As shown, the support base of this embodiment includes a base and an inverted U-shaped fixing clamp 11, and the inverted U-shaped fixing clamp 11 clamps and fixes the water storage pipe 1 on the base.

[0042] Preferably, Figure 1 to Figure 3 As shown, in this embodiment, there are two support bases, and the water storage pipe 1 is fixed on the two support bases near the two ends respectively.

[0043] like Figure 1 to Figure 3 As shown, the support base of this embodiment is an inverted U-shaped base 12, and a reinforcing rod 13 is connected between the two vertical arms of the inverted U-shaped base 12. The lower ends of the inverted U-shaped base 12 are respectively provided with supporting discs, which are convenient for stable support on the ground.

[0044] This embodiment uses pre-assembled components to form a device for automatic testing of various types of valves. The device uses a flange buckle quick disassembly and assembly system to effectively improve the overall valve test efficiency, and by replacing the connecting parts, it is suitable for all types of valve tightness tests, saving construction time, reducing the labor intensity of workers, reducing construction costs, and improving construction quality and efficiency. After all the preparatory work is completed, the valve can be installed to the flange connection branch of the corresponding specification of the experimental device according to the type of valve. After the valve is installed, the press can be turned on for testing. Before the experiment, the test pressure of the automatic press is adjusted to the required value. The press will perform the pressurization test operation according to the set value, and will automatically stop when the set test pressure is reached according to the pressure feedback from the pressure gauge.

[0045] The automatic tightness testing device for assembled mechanical and electrical engineering valves of this embodiment can install various types of flange valves on the first flange connection branches for tightness testing by arranging multiple first flange connection branches and multiple second flange connection branches on the water storage pipe. It can also first install a threaded valve flange pipe on the second flange connection branch, and then install a threaded valve on the threaded valve flange pipe to conduct a tightness test on the threaded valve.

[0046] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0047] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0048] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0049] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0050] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0051] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. An automatic test device for the tightness of assembled valves in electromechanical engineering, characterized in that: It comprises a water storage pipe, which is arranged transversely, and the upper surface of the water storage pipe is provided with a plurality of first flange connection branches, and the lower surface of the water storage pipe is provided with a plurality of second flange connection branches, and the plurality of first flange connection branches and the plurality of second flange connection branches are all connected with the inside of the water storage pipe; the nominal diameters of the first flange connection branches are different, and the nominal diameters of the second flange connection branches are different; each first flange connection branch is detachably connected with a first flange blind plate, and each second flange connection branch is detachably connected with a second flange blind plate, and each second flange connection branch is correspondingly provided with a group of matching threaded valve flange pipes, and the flange end of the threaded valve flange pipe can be fitted and installed on the corresponding second flange connection branch; both ends of the water storage pipe are closed, and a pressure gauge is installed on the water storage pipe, and the water storage pipe is connected to a press through a connecting pipe, and the pressure gauge is electrically connected to the press through a cable.

2. According to claim 1, an automatic test device for tightness of assembled valves in electromechanical engineering, characterized in that: A pressure valve is provided on the connecting pipeline.

3. According to claim 1, an automatic test device for tightness of assembled valves in electromechanical engineering, characterized in that: One end of the water storage pipe is sealed by a sealing flange, and the other end of the water storage pipe is an integrally cast closed structure.

4. According to claim 3, an automatic test device for tightness of assembled valves in electromechanical engineering, characterized in that: The connecting pipe is connected to the integrally cast closed structure at the other end of the water storage pipe and is communicated with the interior of the water storage pipe.

5. According to claim 1, an automatic test device for tightness of assembled valves in electromechanical engineering, characterized in that: Along the axial direction of the water storage pipeline, the sizes of the plurality of first flange connection branch pipes gradually increase or decrease.

6. According to claim 1, an automatic test device for tightness of assembled valves in electromechanical engineering, characterized in that: Along the axial direction of the water storage pipe, the sizes of the plurality of second flange connection branches gradually increase or decrease.

7. According to claim 1, an automatic test device for tightness of assembled valves in electromechanical engineering, characterized in that: It also includes a support base, and the water storage pipe is transversely fixed on the support base.

8. According to claim 7, an automatic test device for tightness of assembled valves in electromechanical engineering, characterized in that: The support base comprises a base and an inverted U-shaped fixing clamp, and the inverted U-shaped fixing clamp clamps and fixes the water storage pipe on the base.

9. According to claim 7, an automatic test device for tightness of assembled valves in electromechanical engineering, characterized in that: There are two supporting bases, and the water storage pipe is fixed on the two supporting bases at positions close to both ends.

10. According to claim 7, an automatic test device for tightness of assembled valves in electromechanical engineering, characterized in that: The support base is an inverted U-shaped base, and a reinforcing rod is connected between two vertical arms of the inverted U-shaped base.

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