CN204346701U - Pressure vessel relief valve electronic checkout device - Google Patents
Pressure vessel relief valve electronic checkout device Download PDFInfo
- Publication number
- CN204346701U CN204346701U CN201520068493.2U CN201520068493U CN204346701U CN 204346701 U CN204346701 U CN 204346701U CN 201520068493 U CN201520068493 U CN 201520068493U CN 204346701 U CN204346701 U CN 204346701U
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- pressure
- fixedly connected
- lifting bar
- hole
- relief valve
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Abstract
The utility model discloses a kind of pressure vessel relief valve electronic checkout device, comprise switching device shifter and verifying attachment, described switching device shifter is provided with triple-valve body, switching ball core, three through holes that lead, extends swingle, rotary handle; Described verifying attachment is provided with pressure relief valve for indoor use, safe valve casing, transition hold pressure chamber, thread, inspection pressure table, lifting bar, lower round platform baffle plate, sealing sliding plate, sealing gasket, hold-down nut, on spring positioning table, regulating spring, pressure releasing hole, baffle chute, controllable register, connecting hole, signal projector, ring-type receiver.The structure of the utility model device is simple, check easy for installation, gathered mutually with the data acquisition of electronic equipment by the adjustment of physical construction, the object of experimental field quick test, by the setting that inside and outside dual cut-offs, the quick correction that can realize when pinpointing the problems is safeguarded, saves a large amount of time and manpower.
Description
Technical field
The utility model relates to a kind of pressure vessel relief valve electronic checkout device, is a kind of verifying attachment with quick test record, convenient adjustment maintenance effects specifically.
Background technology
Safety valve is the safety attachment of boiler, pressure vessel and pipe-line equipment; its Reliability of Microprocessor and performance quality are directly connected to the safety of equipment and the person; and be closely related with energy-conservation and environmental protection; safety valve pressure is adjusted and too highly can not to be opened in time when occurring dangerous; the phenomenon such as the generation pressure setting easily caused the accident is too low just there will be race, emit; waste energy and pollute environment, sometimes also frequently can cause damage to the sealing surface of safety valve because of take-off.
The set-pressure of safety valve be related to equipment pressurized too high time the safety valve important parameter that whether can open in time, the relevant regulations according to country must periodic detection set-pressure to safety valve.First safety valve disassembles by the method for present detection check above tank body, and then carries out verification detection, this method complicated operation, and workload is large, and easily causes the medium in pipeline to be let out in air, and contaminated environment, the personnel that bring injure.
Utility model content
The object of utility model is the deficiency existed for prior art, provides a kind of pressure vessel relief valve electronic checkout device.
To achieve the above object, the method that the utility model adopts is: a kind of pressure vessel relief valve electronic checkout device, comprise switching device shifter and verifying attachment, described switching device shifter is provided with triple-valve body, switching ball core, three through holes that lead, extends swingle, rotary handle, described verifying attachment is provided with pressure relief valve for indoor use, safe valve casing, transition hold pressure chamber, thread, inspection pressure table, lifting bar, lower round platform baffle plate, sealing sliding plate, sealing gasket, hold-down nut, on spring positioning table, regulating spring, pressure releasing hole, baffle chute, controllable register, connecting hole, signal projector, ring-type receiver, described switching ball core is positioned at the connection center of triple-valve body, described guiding three through hole is positioned at the surface switching ball core, through hole axial line is positioned at same plane and is once vertically intersected on centre of sphere point, the lower end of described extension swingle is fixedly connected with the surface switching ball core, axis is vertical with the central plane of guiding three through holes, one end of described rotary handle is fixedly connected with the other end extending swingle, the import of described pressure relief valve for indoor use is connected with for pressure device, export the side direction through hole screwed connection by connecting pipe and triple-valve body, the center, lower surface that pressure chamber is fixedly connected on safe valve casing is held in described transition, described thread is fixedly connected on the center, lower surface that pressure chamber is held in transition, intermediate throughholes is communicated to inner chamber, be connected with the upper end outlet of triple-valve body, described inspection pressure table is fixedly connected on transition and holds on the outer ring cylinder in pressure chamber, described lifting bar is positioned at the inner chamber of safe valve casing, the center pit of upper end and safe valve casing upper surface is connected, described lower round platform baffle plate is fixedly connected on the lower end position of lifting bar, Central Symmetry, described sealing sliding plate is enclosed within the lifting bar of lower round platform baffle plate lower end, upper surface is connected with the lower surface contact of lower round platform baffle plate, described sealing gasket is enclosed within lifting bar, upper surface is connected with the lower surface contact of sealing sliding plate, the lower end of described hold-down nut and lifting bar is threaded, upper surface is connected with sealing gasket contact, described upper spring positioning table is fixedly connected on the center of safe valve shell cavity upper surface, upper end and the upper spring positioning table of described regulating spring are connected, lower end and lower round platform baffle plate are connected, described pressure releasing hole is positioned on the side boss of safe valve casing, and inner space, described baffle chute is positioned at the centre position, upper surface of the side boss of safe valve casing, the axes normal of block face and pressure releasing hole, described controllable register and baffle chute cooperation are slidably connected, upper end is fixedly connected with the top of lifting bar, tie point can up-down adjustment, described connecting hole is positioned on controllable register, coordinate with pressure releasing hole and cut-off, described signal projector is fixedly connected on the centre position of lifting bar, described ring-type receiver is positioned at the intermediate altitude of the inner chamber anchor ring of safe valve casing.
As preferably, described guiding three through hole is when being relatively communicated with, and the by-pass port of by-pass port and triple-valve body is reverse.
As preferably, the centre distance of described connecting hole distance pressure releasing hole under safety valve closed condition is greater than the distance of sealing sliding plate lower surface to pressure releasing hole.
As preferably, described controllable register and the surface of contact of baffle chute are tightly connected.
Beneficial effect
The structure of the utility model device is simple, check easy for installation, gathered mutually with the data acquisition of electronic equipment by the adjustment of physical construction, the object of experimental field quick test, by the setting that inside and outside dual cut-offs, the quick correction that can realize when pinpointing the problems is safeguarded, saves a large amount of time and manpower.
Accompanying drawing explanation
Fig. 1 the utility model apparatus structure schematic diagram;
Wherein, 11-triple-valve body, 12-switches ball core, 13-leads three through holes, 14-extends swingle, round platform baffle plate under pressure chamber, 24-thread, 25-inspection pressure table, 26-lifting bar, 27-is held in 15-rotary handle, 21-pressure relief valve for indoor use, the safe valve casing of 22-, 23-transition, 28-seals sliding plate, 29-sealing gasket, 210-hold-down nut, the upper spring positioning table of 211-, 212-regulating spring, 213-pressure releasing hole, 214-baffle chute, 215-controllable register, 216-connecting hole, 217-signal projector, 218-ring-type receiver.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the utility model further, the present embodiment is implemented under premised on technical solutions of the utility model, should understand these embodiments and only be not used in restriction scope of the present utility model for illustration of the utility model.
Embodiment 1:
As shown in Figure 1, a kind of pressure vessel relief valve electronic checkout device, comprises switching device shifter and verifying attachment, switching device shifter is provided with triple-valve body 11, switching ball core 12, three through holes 13 that lead, extends swingle 14, rotary handle 15; Verifying attachment is provided with pressure relief valve for indoor use 21, safe valve casing 22, transition hold pressure chamber 23, thread 24, inspection pressure table 25, lifting bar 26, lower round platform baffle plate 27, sealing sliding plate 28, sealing gasket 29, hold-down nut 210, on spring positioning table 211, regulating spring 212, pressure releasing hole 213, baffle chute 214, controllable register 215, connecting hole 216, signal projector 217, ring-type receiver 218.
Switch the connection center that ball core 12 is positioned at triple-valve body 11, for the ease of fabrication and installation, three connectors of triple-valve body 11 are upper and lower flat side to vertically, three through holes 13 that lead are positioned at the surface switching ball core 12, through hole axial line is positioned at same plane and is once vertically intersected on centre of sphere point, in order to make the easy switching of conversion equipment quick, by guiding three through hole 13 when being relatively communicated with, the by-pass port of by-pass port and triple-valve body 11 is reverse, so only its 90-degree rotation angle just can need be closed below, opening side is to the connected state with top.
The lower end extending swingle 14 is fixedly connected with the surface switching ball core 12, axis is vertical with the central plane of guiding three through holes 13, one end of rotary handle 15 is fixedly connected with the other end extending swingle 14, for the ease of manual operation, when being communicated with up and down, the initial state of rotary handle 15 is that 45 degree, bottom right is put, during switching counterclockwise 90 degree, becomes upper right 45 degree of states and puts.
The import of pressure relief valve for indoor use 21 is connected with for pressure device, export the side direction through hole screwed connection by connecting pipe and triple-valve body 11, the principle of work of pressure relief valve for indoor use 21 is the pressure of the Relief pilot valve change outlet by being connected with main valve, when reality uses, the import of pressure relief valve for indoor use 21 provides a constant high pressure, regulates by regulating the aperture of pilot valve the inspection pressure exporting and provide.
The center, lower surface that pressure chamber 23 is fixedly connected on safe valve casing 22 is held in transition, thread 24 is fixedly connected on the center, lower surface that pressure chamber 23 is held in transition, intermediate throughholes is communicated to inner chamber, be connected with the upper end outlet of triple-valve body 11, inspection pressure table 25 is fixedly connected on transition and holds on the outer ring cylinder in pressure chamber 23, the connection of the setting mainly conveniently inspection pressure table 25 that pressure chamber 23 is held in transition.
Lifting bar 26 is positioned at the inner chamber of safe valve casing 22, the center pit of upper end and safe valve casing 22 upper surface is connected, lifting bar is cylindrical bar, screw thread is provided with at the outer ring cylinder of lower end, lower round platform baffle plate 27 is fixedly connected on the lower end position of lifting bar 26, Central Symmetry, can limit the position of sealing sliding plate 28, can also be used to position guiding to regulating spring 212.
Sealing sliding plate 28 is enclosed within the lifting bar 26 of lower round platform baffle plate 27 lower end, and upper surface is connected with the lower surface contact of lower round platform baffle plate 27, and the surface of sealing sliding plate 28 is provided with one deck elastic sealing layer, contacts, slipper seal with the inner chamber cylinder of safe valve casing 22.
Sealing gasket 29 is enclosed within lifting bar 26, upper surface is connected with the lower surface contact of sealing sliding plate 28, the lower end of hold-down nut 210 and lifting bar 26 is threaded, and upper surface is connected with sealing gasket 29 contact, needs the stable connection ensureing hold-down nut 210 when installing.
Upper spring positioning table 211 is fixedly connected on the center of safe valve casing 22 inner chamber upper surface, upper end and the upper spring positioning table 211 of regulating spring 212 are connected, lower end and lower round platform baffle plate 27 are connected, pressure releasing hole 213 is positioned on the side boss of safe valve casing 22, and inner space, the pressure of whole safety valve regulates and carrys out work mainly through spring, when working pressure exceedes restriction time, sliding plate 28 upwards jack-up will be sealed, spring-compressed, in time sealing sliding plate 28 and exceed pressure releasing hole 213, row pressure is ready.
Baffle chute 214 is positioned at the centre position, upper surface of the side boss of safe valve casing 22, the axes normal of block face and pressure releasing hole 213, controllable register 215 and baffle chute 214 cooperation are slidably connected, upper end is fixedly connected with the top of lifting bar 26, tie point can up-down adjustment, for the ease of setting row pressure point and ensureing that row pressure can continue certain moment at any time, the centre distance of connecting hole 216 distance pressure releasing hole 213 under safety valve closed condition is greater than the distance of sealing sliding plate 28 lower surface to pressure releasing hole 213, in order to ensure at connecting hole 216 when not being connected with pressure releasing hole 213, at baffle chute 214, place does not reveal, the surface of contact of controllable register 215 and baffle chute 214 is tightly connected.
Signal projector 217 is fixedly connected on the centre position of lifting bar 26, ring-type receiver 218 is positioned at the intermediate altitude of the inner chamber anchor ring of safe valve casing 22, when in use, open the switch regulating reduction valve pilot valve gradually, make top hole pressure lifting, consistent with entrance gradually, observe the force value change of inspection pressure table 25, the height of lifting bar 26 lifting that now ring-type receiver 218 shows is recorded in time hearing exhaust sound, then gradually pilot valve is closed, the distance that the lifting bar 26 observing outlet surplus pressure value and ring-type receiver 218 display after cutting out completely declines, complete one-time detection record.
Embodiment 2:
As shown in Figure 1, a kind of pressure vessel relief valve electronic checkout device, comprises switching device shifter and verifying attachment, switching device shifter is provided with triple-valve body 11, switching ball core 12, three through holes 13 that lead, extends swingle 14, rotary handle 15; Verifying attachment is provided with pressure relief valve for indoor use 21, safe valve casing 22, transition hold pressure chamber 23, thread 24, inspection pressure table 25, lifting bar 26, lower round platform baffle plate 27, sealing sliding plate 28, sealing gasket 29, hold-down nut 210, on spring positioning table 211, regulating spring 212, pressure releasing hole 213, baffle chute 214, controllable register 215, connecting hole 216, signal projector 217, ring-type receiver 218.
Switch the connection center that ball core 12 is positioned at triple-valve body 11, for the ease of fabrication and installation, three connectors of triple-valve body 11 are upper and lower flat side to vertically, three through holes 13 that lead are positioned at the surface switching ball core 12, through hole axial line is positioned at same plane and is once vertically intersected on centre of sphere point, in order to make the easy switching of conversion equipment quick, by guiding three through hole 13 when being relatively communicated with, the by-pass port of by-pass port and triple-valve body 11 is reverse, so only its 90-degree rotation angle just can need be closed below, opening side is to the connected state with top.
The lower end extending swingle 14 is fixedly connected with the surface switching ball core 12, axis is vertical with the central plane of guiding three through holes 13, one end of rotary handle 15 is fixedly connected with the other end extending swingle 14, for the ease of manual operation, when being communicated with up and down, the initial state of rotary handle 15 is that 45 degree, bottom right is put, during switching counterclockwise 90 degree, becomes upper right 45 degree of states and puts.
The import of pressure relief valve for indoor use 21 is connected with for pressure device, export the side direction through hole screwed connection by connecting pipe and triple-valve body 11, the principle of work of pressure relief valve for indoor use 21 is the pressure of the Relief pilot valve change outlet by being connected with main valve, when reality uses, the import of pressure relief valve for indoor use 21 provides a constant high pressure, regulates by regulating the aperture of pilot valve the inspection pressure exporting and provide.
The center, lower surface that pressure chamber 23 is fixedly connected on safe valve casing 22 is held in transition, thread 24 is fixedly connected on the center, lower surface that pressure chamber 23 is held in transition, intermediate throughholes is communicated to inner chamber, be connected with the upper end outlet of triple-valve body 11, inspection pressure table 25 is fixedly connected on transition and holds on the outer ring cylinder in pressure chamber 23, the connection of the setting mainly conveniently inspection pressure table 25 that pressure chamber 23 is held in transition.
Lifting bar 26 is positioned at the inner chamber of safe valve casing 22, the center pit of upper end and safe valve casing 22 upper surface is connected, lifting bar is cylindrical bar, screw thread is provided with at the outer ring cylinder of lower end, lower round platform baffle plate 27 is fixedly connected on the lower end position of lifting bar 26, Central Symmetry, can limit the position of sealing sliding plate 28, can also be used to position guiding to regulating spring 212.
Sealing sliding plate 28 is enclosed within the lifting bar 26 of lower round platform baffle plate 27 lower end, and upper surface is connected with the lower surface contact of lower round platform baffle plate 27, and the surface of sealing sliding plate 28 is provided with one deck elastic sealing layer, contacts, slipper seal with the inner chamber cylinder of safe valve casing 22.
Sealing gasket 29 is enclosed within lifting bar 26, upper surface is connected with the lower surface contact of sealing sliding plate 28, the lower end of hold-down nut 210 and lifting bar 26 is threaded, and upper surface is connected with sealing gasket 29 contact, needs the stable connection ensureing hold-down nut 210 when installing.
Upper spring positioning table 211 is fixedly connected on the center of safe valve casing 22 inner chamber upper surface, upper end and the upper spring positioning table 211 of regulating spring 212 are connected, lower end and lower round platform baffle plate 27 are connected, pressure releasing hole 213 is positioned on the side boss of safe valve casing 22, and inner space, the pressure of whole safety valve regulates and carrys out work mainly through spring, when working pressure exceedes restriction time, sliding plate 28 upwards jack-up will be sealed, spring-compressed, in time sealing sliding plate 28 and exceed pressure releasing hole 213, row pressure is ready.
Baffle chute 214 is positioned at the centre position, upper surface of the side boss of safe valve casing 22, the axes normal of block face and pressure releasing hole 213, controllable register 215 and baffle chute 214 cooperation are slidably connected, upper end is fixedly connected with the top of lifting bar 26, tie point can up-down adjustment, for the ease of setting row pressure point and ensureing that row pressure can continue certain moment at any time, the centre distance of connecting hole 216 distance pressure releasing hole 213 under safety valve closed condition is greater than the distance of sealing sliding plate 28 lower surface to pressure releasing hole 213, in order to ensure at connecting hole 216 when not being connected with pressure releasing hole 213, at baffle chute 214, place does not reveal, the surface of contact of controllable register 215 and baffle chute 214 is tightly connected.
After having inspected, need the lifting distance when arrival detected being limited pressure to determine, then check the distance of connecting hole 216 distance pressure releasing hole 213 in bottom whether consistent, if inconsistent needs regulate, for the ease of regulating, can at upper end end face intermediate settings chute of controllable register 215 when installation, be connected with the upper end of lifting bar 26 and one end of cross bar, the cross bar other end is positioned at chute, be slidably connected, flank of thread is provided with on the surface of cross bar, respectively be provided with the locknut that and cross bar are threaded at the both sides end face of controllable register 215 in time regulating, the both sides end face that after determining length, rotating nut makes to be close to controllable register 215 realize fixing.
Signal projector 217 is fixedly connected on the centre position of lifting bar 26, ring-type receiver 218 is positioned at the intermediate altitude of the inner chamber anchor ring of safe valve casing 22, when in use, open the switch regulating reduction valve pilot valve gradually, make top hole pressure lifting, consistent with entrance gradually, observe the force value change of inspection pressure table 25, the height of lifting bar 26 lifting that now ring-type receiver 218 shows is recorded in time hearing exhaust sound, then gradually pilot valve is closed, the distance that the lifting bar 26 observing outlet surplus pressure value and ring-type receiver 218 display after cutting out completely declines, complete one-time detection record.
Claims (4)
1. a pressure vessel relief valve electronic checkout device, it is characterized in that: comprise switching device shifter and verifying attachment, described switching device shifter is provided with triple-valve body (11), switching ball core (12), three through holes (13) that lead, extends swingle (14), rotary handle (15), described verifying attachment is provided with pressure relief valve for indoor use (21), safe valve casing (22), pressure chamber (23) is held in transition, thread (24), inspection pressure table (25), lifting bar (26), lower round platform baffle plate (27), sealing sliding plate (28), sealing gasket (29), hold-down nut (210), upper spring positioning table (211), regulating spring (212), pressure releasing hole (213), baffle chute (214), controllable register (215), connecting hole (216), signal projector (217), ring-type receiver (218), described switching ball core (12) is positioned at the connection center of triple-valve body (11), described guiding three through hole (13) is positioned at the surface switching ball core (12), through hole axial line is positioned at same plane and is once vertically intersected on centre of sphere point, the lower end of described extension swingle (14) is fixedly connected with the surface switching ball core (12), axis is vertical with the central plane of guiding three through holes (13), one end of described rotary handle (15) is fixedly connected with the other end extending swingle (14), the import of described pressure relief valve for indoor use (21) is connected with for pressure device, export the side direction through hole screwed connection by connecting pipe and triple-valve body (11), the center, lower surface that pressure chamber (23) is fixedly connected on safe valve casing (22) is held in described transition, described thread (24) is fixedly connected on the center, lower surface that pressure chamber (23) is held in transition, intermediate throughholes is communicated to inner chamber, be connected with the upper end outlet of triple-valve body (11), described inspection pressure table (25) is fixedly connected on transition and holds on the outer ring cylinder of pressure chamber (23), described lifting bar (26) is positioned at the inner chamber of safe valve casing (22), the center pit of upper end and safe valve casing (22) upper surface is connected, described lower round platform baffle plate (27) is fixedly connected on the lower end position of lifting bar (26), Central Symmetry, described sealing sliding plate (28) is enclosed within the lifting bar (26) of lower round platform baffle plate (27) lower end, upper surface is connected with the lower surface contact of lower round platform baffle plate (27), described sealing gasket (29) is enclosed within lifting bar (26), upper surface is connected with the lower surface contact of sealing sliding plate (28), described hold-down nut (210) and the lower end of lifting bar (26) are threaded, upper surface is connected with sealing gasket (29) contact, described upper spring positioning table (211) is fixedly connected on the center of safe valve casing (22) inner chamber upper surface, upper end and the upper spring positioning table (211) of described regulating spring (212) are connected, lower end and lower round platform baffle plate (27) are connected, described pressure releasing hole (213) is positioned on the side boss of safe valve casing (22), and inner space, described baffle chute (214) is positioned at the centre position, upper surface of the side boss of safe valve casing (22), the axes normal of block face and pressure releasing hole (213), described controllable register (215) and baffle chute (214) cooperation are slidably connected, upper end is fixedly connected with the top of lifting bar (26), tie point can up-down adjustment, described connecting hole (216) is positioned on controllable register, coordinate with pressure releasing hole (213) and cut-off, described signal projector (217) is fixedly connected on the centre position of lifting bar (26), described ring-type receiver (218) is positioned at the intermediate altitude of the inner chamber anchor ring of safe valve casing (22).
2. a kind of pressure vessel relief valve electronic checkout device according to claim 1, is characterized in that: described guiding three through hole (13) is when being relatively communicated with, and the by-pass port of by-pass port and triple-valve body (11) is reverse.
3. a kind of pressure vessel relief valve electronic checkout device according to claim 1, is characterized in that: the centre distance of described connecting hole (216) distance pressure releasing hole (213) under safety valve closed condition is greater than the distance of sealing sliding plate (28) lower surface to pressure releasing hole (213).
4. a kind of pressure vessel relief valve electronic checkout device according to claim 1, is characterized in that: described controllable register (215) and the surface of contact of baffle chute (214) are tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520068493.2U CN204346701U (en) | 2015-01-30 | 2015-01-30 | Pressure vessel relief valve electronic checkout device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520068493.2U CN204346701U (en) | 2015-01-30 | 2015-01-30 | Pressure vessel relief valve electronic checkout device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204346701U true CN204346701U (en) | 2015-05-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520068493.2U Expired - Fee Related CN204346701U (en) | 2015-01-30 | 2015-01-30 | Pressure vessel relief valve electronic checkout device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204346701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813545A (en) * | 2019-03-13 | 2019-05-28 | 西安热工研究院有限公司 | The system and method verified offline for operating status pressure vessel and in-line relief valve |
-
2015
- 2015-01-30 CN CN201520068493.2U patent/CN204346701U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813545A (en) * | 2019-03-13 | 2019-05-28 | 西安热工研究院有限公司 | The system and method verified offline for operating status pressure vessel and in-line relief valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20160130 |
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| EXPY | Termination of patent right or utility model |