CN223375409U - Pressure testing connection tool, plugging tool and suite of flange pressure taking orifice plate flowmeter - Google Patents
Pressure testing connection tool, plugging tool and suite of flange pressure taking orifice plate flowmeterInfo
- Publication number
- CN223375409U CN223375409U CN202422809867.3U CN202422809867U CN223375409U CN 223375409 U CN223375409 U CN 223375409U CN 202422809867 U CN202422809867 U CN 202422809867U CN 223375409 U CN223375409 U CN 223375409U
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- pressure
- pressure test
- plugging
- tool
- flange
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Abstract
本实用新型提供一种法兰取压孔板流量计的试压连接工装、封堵工装及套件，属于流量计检测设备技术领域。试压连接工装包括抵紧杆，抵紧杆的两端分别设置有底座及密封头，底座用于支撑抵紧杆，抵紧杆用于将密封头抵紧，密封头远离抵紧杆一端的端面上设置有密封圈，密封头内设置有连通孔，连通孔与连接管密封连通。封堵工装包括连接构件、连接件、堵盖及压紧构件，连接件连接压紧构件及连接构件，堵盖设置在压紧构件上，压紧构件用于推动堵盖压紧在待封堵零部件上。本实用新型试压连接工装可实现连接管与取压孔的密封连接，封堵工装能够实现孔板法兰取压管的开口的密封封堵，该套件可实现法兰取压孔板流量计的快速试压，结构简单，使用方便。
The utility model provides a pressure test connection tool, a sealing tool and a kit for a flange pressure orifice flowmeter, which belongs to the technical field of flowmeter detection equipment. The pressure test connection tool includes a clamping rod, and a base and a sealing head are respectively provided at both ends of the clamping rod. The base is used to support the clamping rod, and the clamping rod is used to clamp the sealing head. A sealing ring is provided on the end face of the sealing head away from the end of the clamping rod. A connecting hole is provided in the sealing head, and the connecting hole is sealed and connected to the connecting pipe. The sealing tool includes a connecting member, a connecting piece, a plugging cover and a clamping member. The connecting piece connects the clamping member and the connecting member. The plugging cover is provided on the clamping member, and the clamping member is used to push the plugging cover to be pressed on the component to be blocked. The pressure test connection tool of the utility model can realize the sealed connection between the connecting pipe and the pressure hole, and the sealing tool can realize the sealed blocking of the opening of the orifice flange pressure pipe. The kit can realize the rapid pressure test of the flange pressure orifice flowmeter, and has a simple structure and is easy to use.
Description
Technical Field
The utility model belongs to the technical field of flowmeter detection equipment, and particularly relates to a pressure test connection tool, a plugging tool and a sleeve of a flange pressure taking orifice flowmeter.
Background
The standard orifice plate flowmeter is suitable for measuring liquid, gas, steam and other mediums, has no moving parts, and has the characteristics of simple structure, stability, reliability, low cost, convenient installation and maintenance and the like. The orifice plate flowmeter mainly comprises an orifice plate flange, a standard orifice plate and a pressure taking pipe, wherein the orifice plate flange and the pressure taking pipe are welded, and the standard orifice plate is clamped through the orifice plate flange to form a fixed whole.
The pressure-taking mode is a hole plate flowmeter with flange pressure taking, and the only welding point on the whole instrument is at the joint of the hole plate flange and the pressure-taking pipe, so that the hole plate flange needs to be subjected to a hydrostatic test for verifying the tightness of the welding line area and the quality of the welding line area. Meanwhile, more project requirements, especially the instruments in the nuclear power industry, are mandatory requirements on pressure test of the standard orifice plate flowmeter. The conventional test scheme for the opening structure is carried out in a mode of welding the blind plate at the opening of the orifice plate flange and welding the plug at the opening of the pressure taking pipe, the blind plate and the plug are required to be cut after the hydraulic test is finished, and then the bevel is polished, so that the workload is huge, and meanwhile, the consumed manpower and material resources are also larger.
Disclosure of utility model
In view of the shortcomings of the prior art, the utility model aims to provide a pressure test connection tool, a plugging tool and a kit of a flange pressure taking orifice plate flowmeter, which are used for solving the problems of inconvenient connection of a standard orifice plate flowmeter hydrostatic test in the prior art.
In order to achieve the above and other related objects, the present utility model provides a pressure test connection tool for a flange pressure taking orifice flowmeter, which comprises a tightening rod and a connecting pipe, wherein the connecting pipe is used for connecting an external pressure test device;
The two ends of the abutting rod are respectively provided with a base and a sealing head, the base is used for supporting the abutting rod, and the abutting rod is used for abutting the sealing head;
The sealing head is far away from be provided with the sealing washer on the terminal surface of support tight pole one end, be provided with the intercommunicating pore in the sealing head, the opening of intercommunicating pore is located in the sealing washer, the intercommunicating pore with connecting pipe sealing intercommunication.
Optionally, threads are respectively arranged at two ends of the abutting rod, the abutting rod is respectively in threaded connection with the base and the sealing head, and the abutting rod drives the base and the sealing head to be close to or far away from each other through rotation.
Optionally, the middle part of the abutting rod is in a hexagonal column shape.
Optionally, the sealing head is provided with a positioning protruding part on the end face of the sealing ring, and the positioning protruding part protrudes out of the end face.
Optionally, an opening of the communication hole is located on a top surface of the positioning protrusion.
The utility model also provides a pressure test plugging tool of the flange pressure taking orifice plate flowmeter, which comprises a connecting component, a connecting piece, a plugging cover and a pressing component, wherein the connecting component is used for connecting parts to be plugged, the connecting piece is connected with the pressing component and the connecting component, the plugging cover is arranged on the pressing component, and the pressing component is used for pushing the plugging cover to be pressed on the parts to be plugged.
Optionally, the plugging cover is provided with a concave for plugging the part to be plugged, and a sealing gasket is arranged in the concave.
Optionally, the pressing member is a screw, the screw is in threaded connection with the connecting member, and the screw pushes the plug through rotation.
Optionally, the connecting member is a hoop.
The utility model also provides a pressure test connection kit of the flange pressure taking orifice plate flowmeter, which comprises any pressure test connection tool as described above and any pressure test plugging tool as described above.
As described above, the pressure test connection tool, the plugging tool and the sleeve of the flange pressure taking orifice plate flowmeter have the beneficial effects that as the base and the sealing head are respectively arranged at the two ends of the abutting rod, the base is used for supporting the abutting rod, the abutting rod is used for abutting the sealing head, the sealing ring is arranged on the end face, far away from one end of the abutting rod, of the sealing head, the communicating hole is arranged in the sealing head, and the opening of the communicating hole is positioned in the sealing ring. When the pressure testing connection tool is arranged inside the flange pressure taking orifice flowmeter, the tight propping rod can prop the sealing head tightly on the pressure taking orifice on the inner side of the orifice flange of the flange pressure taking orifice flowmeter, after the sealing head is propped tightly, the sealing ring forms a sealing space, the opening of the communication hole is positioned in the sealing ring, the communication hole is communicated with the connecting pipe in a sealing way, and the sealing connection between the connecting pipe and the pressure taking orifice can be realized. The plugging tool comprises a connecting component, a connecting piece, a plugging cover and a pressing component, wherein the connecting component is used for connecting parts to be plugged, the connecting piece is used for connecting the pressing component and the connecting component, the plugging cover is arranged on the pressing component, the pressing component is used for pushing the plugging cover to be pressed on the parts to be plugged, the plugging cover is pressed on the parts to be plugged, namely, after an opening of a pressure taking pipe of a pore plate flange is formed, the plugging cover is used for sealing and plugging the opening of the pressure taking pipe of the pore plate flange, and after pressure testing liquid is introduced into the pressure taking pipe of the pore plate flange, the sealing and connecting effect between the pressure taking pipe and the pore plate flange can be tested, so that the plugging tool is simple and convenient.
Drawings
FIG. 1 is a schematic cross-sectional view of an orifice flowmeter for flange pressure tapping in an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an installation structure of a pressure test connection kit according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of a pressure test connection tool according to an embodiment of the present utility model;
FIG. 4 is a schematic cross-sectional view of a pressure test plugging tool according to an embodiment of the present utility model;
Fig. 5 is a schematic top view of a pressure test plugging tool according to an embodiment of the utility model.
The reference numerals indicate that the pressure taking pipe 1, the orifice plate flange 2, the sealing head 3, the abutting rod 4, the base 5, the rotating part 6, the sealing ring 7, the communication hole 8, the connecting pipe 9, the pressure test connecting tool 10, the pressure test plugging tool 20, the plugging cover 11, the sealing gasket 12, the screw 13, the cross beam 14, the connecting screw 15, the anchor ear 16, the anchor ear body 17 and the locking bolt 18.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
Referring to fig. 1 to 5, the present embodiment provides a pressure test connection tool 10 of a flange pressure-taking orifice flowmeter, which includes a tightening rod 4 and a connecting pipe 9, wherein the connecting pipe 9 is used for connecting an external pressure test device. The two ends of the abutting rod 4 are respectively provided with a base 5 and a sealing head 3, the base 5 is used for supporting the abutting rod 4, and the abutting rod 4 is used for abutting the sealing head 3. The sealing head 3 is provided with sealing washer 7 on the terminal surface that is away from the tight pole 4 one end of supporting, is provided with intercommunicating pore 8 in the sealing head 3, and the opening of intercommunicating pore 8 is located sealing washer 7, intercommunicating pore 8 and connecting pipe 9 sealed intercommunication.
As shown in fig. 3, in this embodiment, threads are respectively disposed on two ends of the tightening rod 4, the tightening rod 4 is respectively in threaded connection with the base 5 and the sealing head 3, and the tightening rod 4 is rotated to drive the base 5 and the sealing head 3 to approach or separate from each other, so as to detach or mount the pressure test connection tool 10.
In this embodiment, the middle part of the abutting rod 4 is in a hexagonal column shape, that is, the middle part of the abutting rod 4 is a rotating part 6, the rotating part 6 is in a hexagonal column shape, so that the abutting rod 4 is conveniently driven to rotate by the rotating part 6, and the rotating part 6 is in a hexagonal column shape, so that slipping of the rotating part 6 in the rotating process is avoided.
In this embodiment, the end face of the sealing head 3 provided with the sealing ring 7 is further provided with a positioning protruding portion, the positioning protruding portion protrudes from the end face, and the positioning protruding portion can be inserted into the pressure taking hole on the orifice plate flange 2, so that the sealing head 3 is positioned, so that the opening of the pressure taking hole can be aligned with the opening of the pressure taking hole (i.e. the position C), the opening of the pressure taking hole is located in the range of the sealing ring 7, and sealing failure caused by that the pressure taking hole is at least partially located outside the sealing ring 7 due to misalignment of the sealing head 3 is avoided.
In this embodiment, the opening of the communication hole 8 is located on the top surface of the positioning protruding portion, so that the opening of the communication hole 8 can be aligned with the pressure taking hole, the dislocation between the pressure taking hole and the communication hole 8 is reduced, and the situation that the pressure testing liquid flows unsmoothly due to the dislocation at the communication position of the pressure taking hole and the communication hole 8 is avoided.
As shown in fig. 4, this embodiment further provides a pressure testing plugging tool 20 of a flange pressure taking orifice flowmeter, which comprises a connecting member, a connecting piece, a plugging cover 11 and a pressing member, wherein the connecting member is used for connecting a part to be plugged, the connecting piece is connected with the pressing member and the connecting member, the plugging cover 11 is arranged on the pressing member, and the pressing member is used for pushing the plugging cover 11 to be pressed on the part to be plugged.
Specifically, in this embodiment, the plugging cover 11 has a concave for plugging the part to be plugged, that is, the concave is disposed on one side of the plugging cover 11 for plugging, and the sealing gasket 12 is disposed in the concave, so that the plugging effect of the plugging cover 11 on the part to be plugged can be improved. In this embodiment, the component to be plugged is an end opening (i.e. at position a) of the pressure tube 1.
In this embodiment, the pressing member is a screw 13, the screw 13 is in threaded connection with the connecting member, and the screw 13 can push the plug 11 to press on the end opening of the pressure taking tube 1 by rotating the screw 13.
In this embodiment, the connecting member is a hoop 16, and the hoop 16 may be tightly held on the pressure taking tube 1, so as to fix the position of the pressure test plugging tool 20. As shown in fig. 5, the anchor ear 16 includes two semicircular anchor ear bodies 17 and locking bolts 18 respectively connected to the two anchor ear bodies 17. When the anchor ear 16 works, the pressure taking pipe 1 is arranged between the two anchor ear bodies 17, and the locking bolt 18 is rotated, so that the two anchor ear bodies 17 can clamp the pressure taking pipe 1, and the anchor ear 16 is clamped on the pressure taking pipe 1.
In this embodiment, the connecting member includes a beam 14 and a connecting screw 15, the beam 14 is connected to the anchor ear 16 through the connecting screw 15, and the position of the beam 14 can be adjusted by rotating the connecting screw 15, so as to adjust the initial positions of the screw 13, the plugging cover 11 and the parts to be plugged.
The embodiment also provides a pressure testing connection kit of the flange pressure taking orifice plate flowmeter, which comprises the pressure testing connection tool 10 and the pressure testing plugging tool 20. The pressure test connection tool 10 and the pressure test plugging tool 20 are combined for use, so that the pressure test can be performed on the flange pressure taking orifice plate flowmeter.
As shown in fig. 2, when the pressure test connection tool 10 is in actual use, the pressure test connection tool 10 is placed in the orifice plate flange 2, the sealing head 3 is aligned with the pressure taking hole, the base 5 is supported on the inner wall of the orifice plate flange 2, and the positioning protruding part is inserted into the pressure taking hole, so that the sealing head 3 is positioned. The abutting rod 4 is rotated through the rotating part 6, so that the sealing head 3 and the base 5 move outwards along the extending direction of the abutting rod 4, and the pressure test connection tool 10 is abutted in the orifice plate flange 2. After the sealing head 3 is abutted tightly, the sealing cavity is in sealing contact with the inner wall of the orifice plate flange 2 and surrounds the pressure taking hole, so that sealing connection with the pressure taking hole is realized.
As shown in fig. 2, when the pressure test plugging tool 20 is in actual use, the plugging cover 11 is aligned to the end opening of the pressure taking pipe 1, then the hoop 16 is fixed on the pressure taking pipe 1, the connecting screw 15 is rotated, the relative positions of the adjusting screw 13, the plugging cover 11 and the pressure taking pipe 1 are adjusted, the screw 13 is rotated, the screw 13 drives the plugging cover 11 to be tightly covered on the end opening of the pressure taking pipe 1, the sealing gasket 12 seals the end opening of the pressure taking pipe 1, and the end opening of the pressure taking pipe 1 is plugged.
The connecting pipe 9 is connected with an external pressure testing device, so that the flange pressure-taking orifice flowmeter can be tested for pressure testing, and the sealing performance and the connecting strength of structures such as welding seams at the connecting position (namely, the position B) of the orifice flange 2 and the pressure-taking pipe 1 can be verified.
After the pressure test is finished, the abutting rod 4 is reversely rotated, so that the sealing head 3 is separated from the inner wall of the orifice plate flange 2, and the pressure test connection tool 10 can be detached. The screw 13 is reversely rotated to separate the blocking cover 11 from the end opening of the pressure taking pipe 1, and the hoop 16 is loosened, so that the pressure testing blocking tool 20 can be disassembled.
To sum up, according to the pressure test connection tool 10 and the kit of the flange pressure taking orifice flowmeter of the present embodiment, as the base 5 and the sealing head 3 are respectively arranged at two ends of the abutting rod 4, the base 5 is used for supporting the abutting rod 4, the abutting rod 4 is used for abutting the sealing head 3, the sealing head 3 is provided with the sealing ring 7 on the end face far away from one end of the abutting rod 4, the sealing head 3 is internally provided with the communication hole 8, the opening of the communication hole 8 is located in the sealing ring 7, and the communication hole 8 is in sealing communication with the connecting pipe 9. When pressure testing connection frock 10 sets up in the flange pressure taking orifice flowmeter inside, support tight pole 4 can support tight on the orifice flange 2 inner side hole of flange pressure taking orifice flowmeter with sealing head 3, and sealing head 3 supports tightly the back, and sealing washer 7 forms sealed space, and the opening of intercommunicating pore 8 is located sealing washer 7, can pass through the intercommunication mouth and get to the orifice flange 2 and press and let in pressure testing liquid in the pipe 1. The plugging tool comprises a connecting component, a connecting piece, a plugging cover 11 and a pressing component, wherein the connecting component is used for connecting parts to be plugged, the connecting piece is used for connecting the pressing component and the connecting component, the plugging cover 11 is arranged on the pressing component, the pressing component is used for pushing the plugging cover 11 to be pressed on the parts to be plugged, the plugging cover 11 is pressed on the parts to be plugged, namely, after the opening of the pressure taking pipe 1 of the orifice plate flange 2 is opened, the plugging cover 11 is used for sealing and plugging the opening of the pressure taking pipe 1 of the orifice plate flange 2, and after pressure testing liquid is introduced into the pressure taking pipe 1 of the orifice plate flange 2, the sealing connection effect between the pressure taking pipe 1 and the orifice plate flange 2 can be tested, so that the plugging tool is simple and convenient.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. The pressure test connection tool of the flange pressure taking orifice plate flowmeter is characterized by comprising a pressing rod and a connecting pipe, wherein the connecting pipe is used for connecting an external pressure test device;
The two ends of the abutting rod are respectively provided with a base and a sealing head, the base is used for supporting the abutting rod, and the abutting rod is used for abutting the sealing head;
The sealing head is far away from be provided with the sealing washer on the terminal surface of support tight pole one end, be provided with the intercommunicating pore in the sealing head, the opening of intercommunicating pore is located in the sealing washer, the intercommunicating pore with connecting pipe sealing intercommunication.
2. The pressure test connection tool for the flange pressure taking orifice plate flowmeter of claim 1, wherein threads are respectively arranged at two ends of the abutting rod, the abutting rod is respectively in threaded connection with the base and the sealing head, and the abutting rod drives the base and the sealing head to be close to or far from each other through rotation.
3. The pressure test connection tool of the flange pressure taking orifice plate flowmeter of claim 1, wherein the middle part of the abutting rod is in a hexagonal column shape.
4. The pressure test connection tool of the flange pressure taking orifice plate flowmeter of claim 1, wherein the sealing head is provided with a positioning protruding portion which protrudes from the end face on the end face of the sealing ring.
5. The pressure test connection fixture of the flange pressure taking orifice flowmeter of claim 4, wherein the opening of the communication hole is positioned on the top surface of the positioning protruding part.
6. The pressure test plugging tool for the flange pressure taking orifice plate flowmeter is characterized by comprising a connecting component, a connecting piece, a plugging cover and a pressing component, wherein the connecting component is used for connecting parts to be plugged, the connecting piece is connected with the pressing component and the connecting component, the plugging cover is arranged on the pressing component, and the pressing component is used for pushing the plugging cover to be pressed on the parts to be plugged.
7. The pressure test plugging tool of the flange pressure taking orifice plate flowmeter of claim 6, wherein the plugging cover is provided with a concave for plugging a part to be plugged, and a sealing gasket is arranged in the concave.
8. The pressure test plugging tool for the flange pressure taking orifice plate flowmeter of claim 6, wherein the pressing component is a screw, the screw is in threaded connection with the connecting component, and the screw pushes the plugging cover through rotation.
9. The pressure test plugging tool for the flange pressure taking orifice plate flowmeter of claim 6, wherein the connecting component is a hoop.
10. The pressure test connection kit of the flange pressure taking orifice plate flowmeter is characterized by comprising the pressure test connection tool according to any one of claims 1-5 and the pressure test plugging tool according to any one of claims 6-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422809867.3U CN223375409U (en) | 2024-11-18 | 2024-11-18 | Pressure testing connection tool, plugging tool and suite of flange pressure taking orifice plate flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422809867.3U CN223375409U (en) | 2024-11-18 | 2024-11-18 | Pressure testing connection tool, plugging tool and suite of flange pressure taking orifice plate flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223375409U true CN223375409U (en) | 2025-09-23 |
Family
ID=97098654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422809867.3U Active CN223375409U (en) | 2024-11-18 | 2024-11-18 | Pressure testing connection tool, plugging tool and suite of flange pressure taking orifice plate flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223375409U (en) |
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2024
- 2024-11-18 CN CN202422809867.3U patent/CN223375409U/en active Active
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