CN213956771U - Low temperature safety valve oxygen aging resistance test bench - Google Patents
Low temperature safety valve oxygen aging resistance test bench Download PDFInfo
- Publication number
- CN213956771U CN213956771U CN202022996512.1U CN202022996512U CN213956771U CN 213956771 U CN213956771 U CN 213956771U CN 202022996512 U CN202022996512 U CN 202022996512U CN 213956771 U CN213956771 U CN 213956771U
- Authority
- CN
- China
- Prior art keywords
- safety valve
- test bed
- motor
- pressing
- seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model discloses a low-temperature safety valve oxygen aging resistance test bed, which comprises an installation base, a pressing unit and an oxygenation unit; installing a base: the upper surface of the test bed is provided with four supporting vertical plates which are symmetrically distributed, the upper surfaces of the supporting vertical plates are fixedly connected with the lower surface of the test bed, a first sealing gasket is arranged in a mounting groove formed in the middle of the upper surface of the test bed, and a placing seat and a booster pump are arranged at the rear end of the left side of the upper surface of the test bed; a pressing unit: the number of the pressing units is two, the two pressing units are respectively arranged at the front end and the rear end of the upper surface of the mounting base, and the pressing units are fixedly connected with the middle part of the upper surface of the test board; an oxygenation unit: the oxygen charging unit is arranged in a placing cavity arranged at the upper end of the placing seat, and an air inlet of the oxygen charging unit is communicated with an air outlet of the booster pump through a hose; the test bed for the oxygen aging resistance of the low-temperature safety valve can realize synchronous testing on multiple sides of the safety valve, and saves testing time.
Description
Technical Field
The utility model relates to a low temperature safety valve research and development technical field specifically is a low temperature safety valve oxygen aging resistance test bench.
Background
The low-temperature safety valve is one kind of low-temperature valve and is used mainly in ethylene and liquefied natural gas equipment, natural gas LPGLNG storage tank, receiving base, satellite station, air separator, petrochemical tail gas separator, low-temperature liquid oxygen, liquid nitrogen, liquid argon and carbon dioxide storage tank, tank car, pressure swing adsorption and oxygen producing equipment. The output liquid low-temperature medium such as ethylene, liquid oxygen, liquid hydrogen, liquefied natural gas, liquefied petroleum products and the like is flammable and explosive, and is gasified when the temperature is raised, and the volume of the output liquid low-temperature medium is expanded by hundreds of times when the output liquid low-temperature medium is gasified. The application of the low-temperature valve controls the temperature and prevents hidden dangers such as explosion, leakage and the like, the low-temperature safety valve needs to test the oxygen aging resistance of the low-temperature safety valve in the research and development process, a low-temperature safety valve oxygen aging resistance test bed needs to be used, other tests cannot be performed on the traditional low-temperature safety valve oxygen aging resistance test bed when the low-temperature safety valve is subjected to the oxygen aging resistance test, the time for the oxygen aging resistance test is long, a large amount of time is wasted in the waiting process, the research and development progress is slowed down, and therefore in order to solve the problems, the low-temperature safety valve oxygen aging resistance test bed is provided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a low temperature safety valve anti oxygen ageing nature test bench, can realize the synchronous test of many side of the face of relief valve, can effectively solve the problem among the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a low-temperature safety valve oxygen aging resistance test bed comprises an installation base, a pressing unit and an oxygenation unit;
installing a base: the upper surface of the test bed is provided with four supporting vertical plates which are symmetrically distributed, the upper surfaces of the supporting vertical plates are fixedly connected with the lower surface of the test bed, a first sealing gasket is arranged in a mounting groove formed in the middle of the upper surface of the test bed, and a placing seat and a booster pump are arranged at the rear end of the left side of the upper surface of the test bed;
a pressing unit: the number of the pressing units is two, the two pressing units are respectively arranged at the front end and the rear end of the upper surface of the mounting base, and the pressing units are fixedly connected with the middle part of the upper surface of the test board;
an oxygenation unit: the oxygen charging unit is arranged in a placing cavity arranged at the upper end of the placing seat, and an air inlet of the oxygen charging unit is communicated with an air outlet of the booster pump through a hose;
wherein: the test bench is characterized by further comprising a control switch group, the control switch group is arranged on the front side of the upper surface of the test bench, the input end of the control switch group is electrically connected with an external power supply, the input end of the booster pump is electrically connected with the output end of the control switch group, whether the safety valve leaks air or not can be known through the pressure gauge while the oxygen aging of the safety valve is tested, synchronous testing on the multi-side surface of the safety valve is achieved, testing time is saved, and research and development progress is accelerated.
Further, the unit of pushing down includes a motor, screw rod and lift seat, a motor quantity is two, and two motors set up both ends around the upper surface middle part of installation base respectively, and the output shaft upper end of a motor all is equipped with the screw rod, and the round hole that both ends correspond and set up around the testboard is passed respectively to the upper end of screw rod, and the equal threaded connection in upper end of screw rod has the lift seat, and the output of the input electricity connection control switch group of a motor provides power for the work of the unit of pushing down.
Further, the pushing unit further comprises two supporting arms and two pushing arms, the two supporting arms are arranged at the front end and the rear end of the middle portion of the upper surface of the test board respectively, the upper ends of the supporting arms are hinged to the pushing arms through hinges, and the ends, away from each other, of the pushing arms are hinged to corresponding lifting seats through hinges respectively, so that the components below are fixed.
Further, the unit of oxygenating includes that mounting panel, second seal are sealed fills up and the manometer, the sealed pad of second sets up in the lower surface periphery of mounting panel, and the manometer sets up in the peripheral round hole of seting up of mounting panel upper surface, and the air inlet that sets up in the middle part of the mounting panel passes through the gas outlet intercommunication of hose and booster pump, and the mounting panel is identical with the chamber of placing of seting up on placing the seat, seals and oxygenate the relief valve.
Further, still include L seat, No. two motors, rotor plate and swinging boom, the L seat sets up in the upper surface right side of testboard, and No. two motors set up in the vertical plate body right flank upper end of L seat, and the round hole of seting up on the vertical plate body upper end of L seat is passed to the output shaft of No. two motors, and the rotor plate sets up in the output shaft left side end department of No. two motors, and the left surface of rotor plate is equipped with three evenly distributed's swinging boom, and No. two motor input electricity connection control switch group's output can open and shut the test to the relief valve.
Compared with the prior art, the beneficial effects of the utility model are that: this low temperature safety valve oxygen aging resistance test bench has following benefit:
1. fixing the installation base at the installation position to realize the installation and fixation of the installation base and the upper part, communicating an air suction port of a booster pump with an air outlet of an external oxygen tank, placing a port at one end of a safety valve to be tested on the upper surface of a first sealing gasket when an oxygen aging resistance test is started, enabling a hand wheel of the safety valve to correspond to a rotating arm, placing an installation plate at the port at the upper end of the safety valve, enabling the periphery of a second sealing gasket to correspond to the outside of the port at the upper end of the safety valve, controlling the regulation and control of a switch group to enable two motors to work simultaneously, driving a screw rod to rotate by an output shaft respectively, enabling a lifting seat at the upper end of the screw rod to move upwards along the screw rod so as to drive an outer end of a pressing arm to move upwards, enabling an inner end of the pressing arm to move downwards through a supporting arm hinge at the upper end of the pressing arm so as to press downwards against the upper surface of the installation plate below, seal up the upper and lower both ends that make the relief valve through first sealed pad and second, regulation and control through control switch group, the booster pump work, pass through the mounting panel pump to the oxygen in the outside oxygen jar inside the relief valve, through the reading on observing the manometer, when reaching test pressure, stop the pump income of oxygen, make the inside oxygen of relief valve stabilize at test pressure for a certain time, carry out the anti oxygen ageing test to the relief valve with this, can know whether there is the gas leakage phenomenon through the manometer when testing relief valve oxygen ageing.
2. Through the regulation and control of the control switch group, the second motor works, the output shaft drives the rotating plate to rotate, the rotating plate drives the hand wheel of the safety valve to rotate through the rotating arm, the safety valve is subjected to opening and closing tests, the multi-lateral side synchronous test of the safety valve is realized, the test time is saved, and the research and development progress is accelerated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the pressing unit of the present invention.
In the figure: the device comprises a mounting base 1, a supporting vertical plate 2, a test platform 3, a control switch group 4, a first sealing gasket 5, a pressing unit 6, a motor 61I, a supporting arm 62, a screw 63, a lifting seat 64, a pressing arm 65, an oxygen charging unit 7, a mounting plate 71, a second sealing gasket 72, a pressure gauge 73, a booster pump 8, a placing seat 9, a seat 10L, a motor 11 II, a rotating plate 12 and a rotating arm 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a low-temperature safety valve oxygen aging resistance test bed comprises an installation base 1, a pressing unit 6 and an oxygenation unit 7;
installing a base 1: the mounting base 1 provides a mounting place for other components, four supporting vertical plates 2 which are symmetrically distributed are arranged on the upper surface of the mounting base, the upper surfaces of the supporting vertical plates 2 are fixedly connected with the lower surface of a test board 3, a first sealing gasket 5 is arranged in a mounting groove formed in the middle of the upper surface of the test board 3, a placing seat 9 and a booster pump 8 are arranged at the rear end of the left side of the upper surface of the test board 3, the mounting base further comprises an L seat 10, a second motor 11, a rotating plate 12 and a rotating arm 13, the L seat 10 is arranged on the right side of the upper surface of the test board 3, the second motor 11 is arranged at the upper end of the right side of a vertical plate body of the L seat 10, an output shaft of the second motor 11 penetrates through a round hole formed in the upper end of the vertical plate body of the L seat 10, the rotating plate 12 is arranged at the left end of the output shaft of the second motor 11, three rotating arms 13 which are uniformly distributed are arranged on the left side of the rotating plate 12, and the second motor 11 works, and the output shaft drives the rotating plate 12 to rotate, the rotating plate 12 drives a hand wheel of the safety valve to rotate through the rotating arm 13, so that the opening and closing test of the safety valve is carried out, and the input end of the second motor 11 is electrically connected with the output end of the control switch group 4;
the pressing unit 6: the number of the pressing units 6 is two, the fixing of the lower parts can be realized by the pressing units 6, the two pressing units 6 are respectively arranged at the front end and the rear end of the upper surface of the installation base 1, the pressing units 6 are fixedly connected with the middle part of the upper surface of the test board 3, each pressing unit 6 comprises a motor 61, a screw 63 and a lifting seat 64, the number of the motors 61 is two, the two motors 61 are respectively arranged at the front end and the rear end of the middle part of the upper surface of the installation base 1, the upper end of each motor 61 is provided with the screw 63, the upper end of each screw 63 respectively passes through the corresponding round holes arranged at the front end and the rear end of the test board 3, the upper end of each screw 63 is in threaded connection with the lifting seat 64, each pressing unit 6 further comprises a supporting arm 62 and a pressing arm 65, the number of the supporting arms 62 is two, the two supporting arms 62 are respectively arranged at the front end and the rear end of the middle part of the upper surface of the test board 3, the upper ends of the supporting arms 62 are respectively hinged with the pressing arms 65, the ends, opposite to the outside, of the lower pressure arm 65 are hinged with corresponding lifting seats 64 through hinges respectively, two motors 61 work simultaneously, the output shaft drives the screw rod 63 to rotate respectively, so that the lifting seat 64 at the upper end of the screw rod 63 moves upwards along the screw rod 63, and further drives the ends at the outside of the lower pressure arm 65 to move upwards, the ends at the inside of the lower pressure arm 65 move downwards through the hinges at the upper end of the supporting arm 62, so that the ends at the inside of the lower pressure arm 65 press the upper surface of the mounting plate 71 below downwards to press downwards, the upper end and the lower end of the safety valve are sealed through the first sealing gasket 5 and the second sealing gasket 72, the booster pump 8 works through the regulation and control of the control switch group 4, oxygen in an external oxygen tank is pumped into the safety valve through the mounting plate 71, and the pumping of the oxygen is stopped when the test pressure is reached through observing the reading on the pressure gauge 73, so that the oxygen in the safety valve is stabilized at the test pressure for a certain time, the safety valve is subjected to an oxygen aging resistance test, and the input end of the first motor 61 is electrically connected with the output end of the control switch group 4;
an oxygenation unit 7: the oxygen charging unit 7 seals and charges oxygen for the safety valve, and is arranged in a placing cavity arranged at the upper end of the placing seat 9, the air inlet of the oxygen charging unit 7 is communicated with the air outlet of the booster pump 8 through a hose, the oxygen charging unit 7 comprises a mounting plate 71, the second sealing gasket 72 is arranged on the periphery of the lower surface of the mounting plate 71, the pressure gauge 73 is arranged in a round hole formed in the periphery of the upper surface of the mounting plate 71, an air inlet formed in the middle of the mounting plate 71 is communicated with an air outlet of the booster pump 8 through a hose, the mounting plate 71 is matched with a placing cavity formed in the upper end of the placing seat 9, a valve port at one end of the safety valve to be tested is placed on the upper surface of the first sealing gasket 5, a hand wheel of the safety valve corresponds to the position of the rotating arm 13, the mounting plate 71 is placed at the valve port at the upper end of the safety valve, and the periphery of the second sealing gasket 72 corresponds to the outside of the valve port at the upper end of the safety valve;
wherein: still include control switch group 4, control switch group 4 regulates and control the normal operating of each part, and control switch group 4 sets up in the upper surface front side of testboard 3, and external power source is connected to control switch group 4's input electricity, and control switch group 4's output is connected to the input electricity of booster pump 8.
When in use: fixing the installation base 1 at the installation position to realize the installation and fixation of the installation base 1 and the upper part, communicating the air suction port of the booster pump 8 with the air outlet of an external oxygen tank, placing a valve port at one end of a safety valve to be tested on the upper surface of a first sealing gasket 5 when an oxygen aging resistance test is started, enabling a hand wheel of the safety valve to correspond to the position of a rotating arm 13, placing an installation plate 71 at the valve port at the upper end of the safety valve, enabling the periphery of a second sealing gasket 72 to correspond to the outside of the valve port at the upper end of the safety valve, controlling the regulation and control of a switch group 4 to enable two motors 61 to work simultaneously, respectively driving a screw 63 to rotate by an output shaft, enabling a lifting seat 64 at the upper end of the screw 63 to move upwards along the screw 63, further driving the outer end of a pressing arm 65 to move upwards, enabling the inner end of the pressing arm 65 to move downwards through a hinge at the upper end of a supporting arm 62, so as to enable the inner end of the pressing arm 65 to press the upper surface of the installation plate 71 below downwards, make the upper and lower both ends of relief valve sealed through first sealed pad 5 and the sealed 72 of second, regulation and control through control switch group 4, booster pump 8 works, oxygen in the outside oxygen jar is gone into inside the relief valve through mounting panel 71 pump, through observing the reading on the manometer 73, when reaching test pressure, the pump income of stopping oxygen, make the inside oxygen of relief valve stabilize at test pressure for a certain time, carry out the anti oxygen ageing test to the relief valve with this, in this section of time, through control switch group 4's regulation and control, No. two motor 11 works, the output shaft drives rotor plate 12 and rotates, rotor plate 12 rotates through the hand wheel that swinging boom 13 drove the relief valve, with this test of opening and shutting to the relief valve.
It should be noted that the first motor 61 disclosed in this embodiment may be a motor with a model number of F1500Y38LH50 manufactured by baogomat, suzhou, the booster pump 8 may be a booster pump with a model number of 7V12B85R52 manufactured by sezhen, seikagaku, ltd, the second motor 11 may be a motor with a model number of BV40-1500-60S2 manufactured by baogomat, suzhou, and the control switch group 4 controls the first motor 61, the booster pump 8 and the second motor 11 to operate by a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a low temperature safety valve oxygen aging resistance test bench which characterized in that: comprises a mounting base (1), a pressing unit (6) and an oxygenation unit (7);
mounting base (1): the upper surface of the test bed is provided with four supporting vertical plates (2) which are symmetrically distributed, the upper surfaces of the supporting vertical plates (2) are fixedly connected with the lower surface of the test bed (3), a first sealing gasket (5) is arranged in a mounting groove formed in the middle of the upper surface of the test bed (3), and the rear end of the left side of the upper surface of the test bed (3) is provided with a placing seat (9) and a booster pump (8);
pressing unit (6): the number of the pressing units is two, the two pressing units (6) are respectively arranged at the front end and the rear end of the upper surface of the mounting base (1), and the pressing units (6) are fixedly connected with the middle part of the upper surface of the test board (3);
oxygenation unit (7): is placed in a placing cavity arranged at the upper end of the placing seat (9), and the air inlet of the oxygenation unit (7) is communicated with the air outlet of the booster pump (8) through a hose;
wherein: still include control switch group (4), control switch group (4) set up in the upper surface front side of testboard (3), and external power source is connected to the input electricity of control switch group (4), and the output of control switch group (4) is connected to the input electricity of booster pump (8).
2. The oxygen aging resistance test bed for the low-temperature safety valve according to claim 1, characterized in that: the lower pressing unit (6) comprises a motor (61), a screw rod (63) and a lifting seat (64), the number of the motor (61) is two, the two motors (61) are respectively arranged at the front end and the rear end of the middle part of the upper surface of the installation base (1), the upper end of an output shaft of the motor (61) is provided with the screw rod (63), the upper end of the screw rod (63) penetrates through round holes formed in the front end and the rear end of the test board (3) respectively, the upper end of the screw rod (63) is connected with the lifting seat (64) in a threaded mode, and the input end of the motor (61) is electrically connected with the output end of the control switch group (4).
3. The oxygen aging resistance test bed for the low-temperature safety valve according to claim 2, characterized in that: the pressing unit (6) further comprises two supporting arms (62) and two pressing arms (65), the two supporting arms (62) are arranged at the front end and the rear end of the middle part of the upper surface of the test board (3), the upper ends of the supporting arms (62) are hinged to the pressing arms (65) through hinges, and the ends, away from the outer side, of the pressing arms (65) are hinged to corresponding lifting seats (64) through hinges.
4. The oxygen aging resistance test bed for the low-temperature safety valve according to claim 1, characterized in that: oxygenate unit (7) and include that mounting panel (71), second seal pad (72) and manometer (73), second seal pad (72) set up in the lower surface periphery of mounting panel (71), and manometer (73) set up in the round hole that mounting panel (71) upper surface periphery was seted up, and the air inlet that mounting panel (71) middle part set up passes through the gas outlet intercommunication of hose and booster pump (8), and mounting panel (71) coincide with the chamber of placing that seat (9) upper end was seted up.
5. The oxygen aging resistance test bed for the low-temperature safety valve according to claim 1, characterized in that: still include L seat (10), No. two motor (11), rotor plate (12) and swinging boom (13), L seat (10) set up in the upper surface right side of testboard (3), No. two motor (11) set up in the vertical plate body right flank upper end of L seat (10), the round hole of seting up on the vertical plate body upper end of L seat (10) is passed to the output shaft of No. two motor (11), rotor plate (12) set up in the output shaft left side end department of No. two motor (11), the left surface of rotor plate (12) is equipped with three evenly distributed's swinging boom (13), the output of No. two motor (11) input electricity connection control switch group (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022996512.1U CN213956771U (en) | 2020-12-14 | 2020-12-14 | Low temperature safety valve oxygen aging resistance test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022996512.1U CN213956771U (en) | 2020-12-14 | 2020-12-14 | Low temperature safety valve oxygen aging resistance test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213956771U true CN213956771U (en) | 2021-08-13 |
Family
ID=77217003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022996512.1U Active CN213956771U (en) | 2020-12-14 | 2020-12-14 | Low temperature safety valve oxygen aging resistance test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213956771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116046377A (en) * | 2022-12-30 | 2023-05-02 | 北京天兵科技有限公司 | Rocket oxygen safety valve opening and closing performance test system and test method |
-
2020
- 2020-12-14 CN CN202022996512.1U patent/CN213956771U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116046377A (en) * | 2022-12-30 | 2023-05-02 | 北京天兵科技有限公司 | Rocket oxygen safety valve opening and closing performance test system and test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213956771U (en) | Low temperature safety valve oxygen aging resistance test bench | |
| CN108956010B (en) | Pressure gauge calibration device | |
| CN213812744U (en) | Hydrogen fuel cell leak detection device | |
| CN210981684U (en) | High strength gearbox body's gas tightness verifying attachment | |
| CN210719666U (en) | Mechanical seal opens and stops experimental apparatus | |
| CN219608343U (en) | Valve detects leak protection device | |
| CN112098004A (en) | Multifunctional detection equipment for fuel cell detection | |
| CN212988712U (en) | Air tightness testing machine for double-cavity air cylinder | |
| CN214224792U (en) | Battery simulation high-altitude low-voltage test box | |
| CN216899994U (en) | Withstand voltage testing arrangement of lithium cell shell | |
| CN218297578U (en) | Pressure test device for valve production | |
| CN219246759U (en) | Electrolyte impregnating device | |
| CN220120849U (en) | Vacuum chamber for testing cathode device | |
| CN219608339U (en) | Air tightness test stand for hydraulic part | |
| CN214200533U (en) | Airtightness testing equipment for new energy automobile | |
| CN219265693U (en) | Detection device for low-temperature safety valve | |
| CN217738587U (en) | Generator gas tightness detection device that wind-powered electricity generation was used | |
| CN108844726A (en) | Sound disk group mould ageing environment simulation mechanism | |
| CN221173778U (en) | Engine piston seal detection device | |
| CN218035584U (en) | New energy automobile battery gas tightness detection device | |
| CN212959143U (en) | Water pump sealing performance testing device | |
| CN108956030A (en) | A kind of tooling device detected for bearing seal and anti-dust performance | |
| CN219776852U (en) | Gas meter detection equipment for tightness detection | |
| CN219610490U (en) | Manual lamination tool for protecting edge of membrane electrode of hydrogen fuel cell | |
| CN208399115U (en) | Sound disk group mould ageing environment simulation mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |