CN217845543U - Terminal airtight pressing device and terminal airtight pressing system - Google Patents
Terminal airtight pressing device and terminal airtight pressing system Download PDFInfo
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- CN217845543U CN217845543U CN202221326697.8U CN202221326697U CN217845543U CN 217845543 U CN217845543 U CN 217845543U CN 202221326697 U CN202221326697 U CN 202221326697U CN 217845543 U CN217845543 U CN 217845543U
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- terminal
- airtight
- pressing
- air inlet
- tank body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a terminal airtight pressing device and a terminal airtight pressing system, wherein the terminal airtight pressing device comprises a pressing tank body, a pressure gauge, an air inlet pipe, a reducing adapter used for being connected with an air supply pipe of an air source and an air inlet valve; one end of the pressing tank body is opened to form an open end, and the open end is provided with a connecting surface for sealing and matching the flange plate where the wiring terminal is located; the air inlet pipe is connected to the side surface of the pressurizing tank body and is communicated with the pressurizing cavity in the pressurizing tank body; the pressure gauge is arranged on the air inlet pipe to detect the internal pressure of the pressurizing tank body; the reducing adapter is connected the intake pipe is kept away from it serves to suppress jar one of body, the admission valve sets up in order to control in the intake pipe the break-make of intake pipe. The utility model discloses a device is suppressed to terminal airtight realizes that the off-line carries out airtight suppression test, easy operation, efficient to the terminal of motor or heater.
Description
Technical Field
The utility model relates to an airtight device of suppressing especially relates to a terminal is airtight to be suppressed device and terminal is airtight to suppress the system.
Background
In a nuclear power plant, a generator hydrogen supply system (GRV) drying tower consists of two motors, two heaters. The two motors and the two heaters are divided into two A/B rows, and the on-site one-master one-standby switching operation is realized. At present, during overhaul period, GRV airtight test is mainly carried out in an online mode, namely: and (3) directly connecting an air source into the GRV, and thus checking a heater wiring terminal and the like in the GRV.
For the above-mentioned on-line method, the operation is complicated, the system needs to be disconnected, the required time is long, the time of the air-tight test is increased, and the efficiency is not improved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in providing a terminal airtight that realizes that the off-line carries out airtight test suppresses device and terminal airtight system of suppressing.
The utility model provides a technical scheme that its technical problem adopted is: the wiring terminal airtight pressing device comprises a pressing tank body, a pressure gauge, an air inlet pipe, a reducing adapter and an air inlet valve, wherein the reducing adapter is connected with an air supply pipe of an air source;
one end of the pressing tank body is opened to form an open end, and the open end is provided with a connecting surface for sealing and matching the flange plate where the wiring terminal is located; the air inlet pipe is connected to the side surface of the pressurizing tank body and is communicated with a pressurizing chamber in the pressurizing tank body;
the pressure gauge is arranged on the air inlet pipe to detect the internal pressure of the pressurizing tank body;
the reducing adapter is connected the intake pipe is kept away from suppress jar one of body and is served, the admission valve sets up in order to control in the intake pipe the break-make of intake pipe.
Preferably, the binding post airtight pressing device further comprises a pressure relief valve arranged on the air inlet pipe.
Preferably, the terminal post airtight pressing device further comprises a tee joint; the tee joint is connected to the air inlet pipe, and the pressure release valve is connected to the air inlet pipe through the tee joint.
Preferably, the pressure relief valve is located between the pressure gauge and the reducing adapter in the axial direction of the intake pipe.
Preferably, a plurality of connecting holes are arranged on the connecting surface at intervals along the circumferential direction of the connecting surface.
Preferably, the pressing tank body comprises a base and a cylinder body with two open ends;
the barrel is vertical to the base and is connected to the base through one end, a connecting flange is arranged at the other end of the barrel, and the surface of the connecting flange forms a connecting surface of the pressing tank body.
The utility model also provides a binding post airtight pressing system, which comprises the binding post airtight pressing device and a flange plate with a binding post;
the flange plate is in sealing fit with the connecting surface of the pressing tank body of the terminal airtight pressing device, and the air inlet pipe of the terminal airtight pressing device is connected to an air source.
Preferably, the terminal post airtight pressing system further comprises a plurality of fastening components;
the flange plate is characterized in that a plurality of connecting holes are formed in the connecting surface of the pressing tank body at intervals along the circumferential direction of the connecting surface, a plurality of fastening holes are formed in the flange plate at intervals along the circumferential direction of the flange plate, and the fastening assemblies are matched in the connecting holes and the fastening holes which are communicated with each other to fix the flange plate on the connecting surface.
Preferably, the terminal post airtight pressing system further comprises a sealing gasket;
the sealing washer is arranged between the connecting surface and the flange plate to seal a gap between the connecting surface and the flange plate.
Preferably, the sealing gasket is located on the inside of the fastening assembly.
The utility model has the advantages that: the airtight pressure test is carried out on the wiring terminal of the motor or the heater in an off-line mode, the operation is simple, and the efficiency is high.
The utility model discloses be applied to among the nuclear power, for optimizing GRV motor and heater equipment and examining after overhauing the off-line airtight, carry out the function to equipment in advance and appraise again, improve the operational reliability of motor and heater.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic structural diagram of a terminal airtight pressing system according to an embodiment of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, the embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The utility model discloses a device is suppressed to terminal airtight for carry out airtight suppression test to the terminal, with this inspection terminal whether appear the leak source on the ring flange. The terminal airtight pressing device and the flange plate with the terminal, which is installed on the terminal airtight pressing device, can form a terminal airtight pressing system for carrying out airtight pressing tests on the flange plate with the terminal.
As shown in fig. 1, the terminal airtight pressing system according to an embodiment of the present invention includes a terminal airtight pressing device and a flange 70 having a terminal 80.
The terminal airtight pressurizing device further comprises a pressurizing tank 10, a pressure gauge 20, an air inlet pipe 30, a reducing adapter 40, an air inlet valve 50 and a pressure relief valve 60.
One end of the pressing tank 10 is opened to form an open end, and the open end is provided with a connecting surface for sealing and matching the flange 70 on which the wiring terminal 80 is arranged. The air inlet pipe 30 is connected to the side surface of the pressure tank 10 and is communicated with the pressure chamber in the pressure tank 10. The pressure gauge 20 is arranged on the air inlet pipe 30 to detect the pressure inside the tank 10, and whether a leak point occurs at the connection position of the terminal 80 on the flange plate 70 and on the terminal 80 is obtained through the change condition of pressure data. The reducing adapter 40 is connected to one end of the air inlet pipe 30 far away from the pressurizing tank 10 and is used for being connected with an air supply pipe of an air source, so that the air inlet pipe 30 is communicated with the air source. An intake valve 50 is provided on the intake pipe 30 to control opening and closing of the intake pipe 30. The pressure relief valve 60 is provided on the intake pipe 30, and is used for discharging the gas in the tank 10 after the completion of the pressurization test, or regulating the pressure in the tank 10 by discharging the gas.
Specifically, the pressuring tank 10 may include a base 11, a barrel 12 having both open ends. The barrel 12 is perpendicular with respect to the base 11 and is attached at one end to the base 11 so that the end of the barrel 12 is sealed by the base 11. The opposite end of the barrel 12 is opposite to the base 11 and forms an open end of the pressing tank 10, and the open end is further provided with a connecting flange 13, and the connecting flange 13 protrudes outward relative to the barrel 12 in the outer circumferential direction thereof. The surface of the connecting flange 13 forms the connecting surface against which the can body 10 is pressed. To facilitate connection with the flange 70, a plurality of connection holes (not shown) are formed on the connection surface, and the connection holes are arranged at intervals along the circumferential direction of the connection surface and can be in opposite communication with the fastening holes (not shown) on the flange 70.
The entire pressing tank 10 is preferably made of metal, such as steel. The cylinder 12 can be connected to the base 11 by welding, and the connecting flange 13 is fixed to the cylinder 12 by welding.
The gas inlet pipe 30 is connected between the pressuring tank 10 and a gas source, and delivers gas supplied from the gas source into the pressuring chamber of the pressuring tank 10. The air inlet pipe 30 is formed of a metal pipe such as a steel pipe, and is fixedly attached to the side of the knock-out pot 10 by welding or the like. The length of the inlet conduit 30 need not be excessive, but rather sufficient axial length is provided to connect the pressure gauge 20, inlet valve 50 and pressure relief valve 60.
The pressure gauge 20 is connected to the intake pipe 30 so as to detect and visually display the internal pressure of the pressuring tank 10 communicated with the intake pipe 30. The air inlet valve 50 is connected to the air inlet pipe 30 and located on one side of the pressure gauge 20 far away from the pressurizing tank 10, and the on-off of the air inlet pipe 30 is controlled through the opening and closing of the air inlet valve.
The reducing adapter 40 is arranged at one end of the air inlet pipe 30 far away from the pressurizing tank body 10 and is communicated with the air inlet pipe 30, so that the air inlet pipe 30 with different inner diameters is communicated with a connecting pipe of an air source.
The air-tight terminal pressing device can also comprise a tee joint 61 corresponding to the air inlet pipe 30 connected with the pressure relief valve 60. The three-way valve 61 is connected to the intake pipe 30, and the relief valve 60 is connected to the intake pipe 30 through the three-way valve 61. In the axial direction of the intake pipe 30, the relief valve 60 is located between the pressure gauge 20 and the reducing adapter 40.
The flange 70 with the terminals 80 is a flange on a motor or heater. The sealing engagement of the flange 70 on the mating face of the crush can 10 seals the open end of the crush can 10 to form a closed chamber within the crush chamber.
In order to realize the connection of the flange plate 70 on the connecting surface of the pressing tank 10, the airtight pressing system for the binding post of the present invention further comprises a plurality of fastening assemblies 90.
After the flange 70 is fitted to the joint surface of the knock-up can 10, the fastening holes in the flange 70 are opposite to and communicated with the connecting holes in the joint surface one by one, and each group of fastening members 90 is fitted into the communicated connecting holes and fastening holes to fix the flange 70 to the joint surface.
It will be appreciated that the fastening assembly 90 may include a compatible bolt and nut.
In order to ensure the tightness between the flange 70 and the connecting surface, the terminal airtight pressing system of the present invention further includes a sealing gasket (not shown). The gasket is disposed between the connection surface and the flange 70 to seal a gap therebetween. The sealing washer is located on the inside of the fastening assembly.
The utility model discloses a system is suppressed to terminal airtight further still can include the air supply. The gas source provides the hydrogen or helium gas (purity 99.99%) for pressurizing the tank 10.
Through the utility model discloses a system is suppressed to terminal airtight when suppressing test, dismantles ring flange 70 from motor or heater and sealed the fixing on suppressing the connection face of jar body 10 back (terminal 80 is located ring flange 70 and suppresses jar body 10 dorsad on the surface), is connected reducing adapter 40 on the intake pipe 30 tip with the connecting pipe of air supply. The gas source provides gas to fill the pressurized can 10 until its internal pressure reaches a predetermined pressure, for example 5.2bar (0.52 MPa). After holding the pressure for a certain period of time (e.g., 30 minutes, etc.), it is observed whether the pressure is reduced.
If the pressure drops, it indicates that there is a leak in the terminal 80. The position of the leak point can be subsequently determined by detecting the leakage liquid.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. An airtight terminal pressing device is characterized by comprising a pressing tank body, a pressure gauge, an air inlet pipe, a reducing adapter and an air inlet valve, wherein the reducing adapter is connected with an air supply pipe of an air source;
one end of the pressing tank body is opened to form an open end, and the open end is provided with a connecting surface for sealing and matching the flange plate where the wiring terminal is located; the air inlet pipe is connected to the side surface of the pressurizing tank body and is communicated with a pressurizing chamber in the pressurizing tank body;
the pressure gauge is arranged on the air inlet pipe to detect the internal pressure of the pressurizing tank body;
the reducing adapter is connected the intake pipe is kept away from it serves to suppress jar one of body, the admission valve sets up in order to control in the intake pipe the break-make of intake pipe.
2. The terminal airtight pressing device according to claim 1, further comprising a relief valve provided on the intake pipe.
3. The terminal post airtight suppression device of claim 2, wherein said terminal post airtight suppression device further comprises a tee; the tee joint is connected to the air inlet pipe, and the pressure release valve is connected to the air inlet pipe through the tee joint.
4. The binding post airtight pressing device of claim 2, wherein in the axial direction of the air inlet pipe, the pressure relief valve is located between the pressure gauge and the reducing adapter.
5. The terminal post airtight suppressing device of claim 1, wherein a plurality of connection holes are arranged on the connection surface at intervals along the circumference thereof.
6. The air-tight pressing device for the binding post according to any one of claims 1 to 5, wherein the pressing tank comprises a base and a barrel body with two open ends;
the barrel is vertical relative to the base and is connected to the base through one end, a connecting flange is arranged at the other end of the barrel, and the surface of the connecting flange forms the connecting surface of the pressing tank body.
7. A terminal airtight pressing system, comprising the terminal airtight pressing device of any one of claims 1 to 6, a flange having a terminal;
the flange plate is in sealing fit with the connecting surface of the pressing tank body of the terminal airtight pressing device, and the air inlet pipe of the terminal airtight pressing device is connected to an air source.
8. The terminal post hermetic pressing system according to claim 7, further comprising a number of fastening components;
the flange plate is characterized in that a plurality of connecting holes are formed in the connecting surface of the pressing tank body at intervals along the circumferential direction of the connecting surface, a plurality of fastening holes are formed in the flange plate at intervals along the circumferential direction of the flange plate, and the fastening assemblies are matched in the connecting holes and the fastening holes which are communicated with each other to fix the flange plate on the connecting surface.
9. The terminal post hermetic pressing system according to claim 8, further comprising a sealing gasket;
the sealing washer is arranged between the connecting surface and the flange plate to seal a gap between the connecting surface and the flange plate.
10. The terminal post hermetic pressing system of claim 9, wherein the sealing gasket is located inside the fastening assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221326697.8U CN217845543U (en) | 2022-05-30 | 2022-05-30 | Terminal airtight pressing device and terminal airtight pressing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221326697.8U CN217845543U (en) | 2022-05-30 | 2022-05-30 | Terminal airtight pressing device and terminal airtight pressing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217845543U true CN217845543U (en) | 2022-11-18 |
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ID=84021864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221326697.8U Active CN217845543U (en) | 2022-05-30 | 2022-05-30 | Terminal airtight pressing device and terminal airtight pressing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217845543U (en) |
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2022
- 2022-05-30 CN CN202221326697.8U patent/CN217845543U/en active Active
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