CN202468267U - Mechanical pressure adjusting system for outlet of ultrahigh-pressure piston pump - Google Patents
Mechanical pressure adjusting system for outlet of ultrahigh-pressure piston pump Download PDFInfo
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- CN202468267U CN202468267U CN2011205408150U CN201120540815U CN202468267U CN 202468267 U CN202468267 U CN 202468267U CN 2011205408150 U CN2011205408150 U CN 2011205408150U CN 201120540815 U CN201120540815 U CN 201120540815U CN 202468267 U CN202468267 U CN 202468267U
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- valve body
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- plunger pump
- ultrahigh pressure
- regulating system
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Abstract
The utility model provides a mechanical pressure adjusting system for an outlet of an ultrahigh-pressure piston pump. The mechanical pressure adjusting system is arranged at the liquid outlet of the fluid end of the ultrahigh-pressure piston pump, and comprises a lower valve body and an upper valve body, wherein one side of the lower valve body is provided with a high-pressure water inlet, the high-pressure water inlet is communicated with the liquid outlet of the fluid end of the ultrahigh-pressure piston pump; one side of the upper valve body is provided with an overflow water outlet, the upper valve body is fastened with the lower valve body, and the high-pressure water inlet is communicated with the overflow water outlet through a liquid pipeline which is formed in the lower valve body and the upper valve body.. A vertical through hole is formed in the middle part of the upper valve body and is communicated with the liquid pipeline; and the bottom of the valve body is provided with a containing space which is communicated with the through hole. A sealing component is annularly arranged in the containing space. A moveable core rod which can move upwards and downwards along the vertical direction is arranged in the through hole, and the lower end of the core rod is a conical body. The mechanical pressure adjusting system for the outlet of the ultrahigh-pressure piston pump reduces the material consumption, improves the use period of core components, such as main valve body and the sealing pieces, and realizes the safe pressure adjustment of the ultrahigh-pressure piston pump under the working state.
Description
Technical field
The present invention relates to a kind of voltage-regulating system, relate in particular to a kind of mechanical voltage-regulating system that is used for high pressure, the outlet of ultrahigh pressure plunger pump.
Background technique
High pressure, ultrahigh pressure plunger pump are widely used in industry fields such as metallurgy, petroleum and petrochemical industry, boats and ships, national defence at present.Utilize the ultrahigh pressure plunger pump to produce high pressure water-jet cleaner tool device, become the first-selection of present low-carbon (LC) environmental protection cleaning way.
In the cleaning process process; The unit main pump is mainly by internal-combustion engine or motor driving; Pressure will directly reach specified jet pressure after in operation process, starting plunger pump; This kind mode of operation forms climbing fast of jet pressure and be prone to cause security incident within a short period of time, increases the hazards of cleaning process.
So at plunger pump fluid power end mechanical regulator is installed generally speaking.Slowly boost through mechanical regulator, make the process of boosting be in safe controllable state, can be used as discharge channel as meeting emergency simultaneously, play the safety protection effect.
At present, the mechanical voltage-regulating system and the mechanical pressure regulator valve technology that are used for 2500bar-2800bar ultrahigh pressure plunger pump are by state monopolies such as virtues, and domestic technique still belongs to blank.The external product purchasing price is high, and main valve body sealing structure part is in case damage and can't change, and user cost is higher.
So, how solving the above problems and lack, the inventor who is this case desires most ardently the direction place that research improves with the relevant manufacturer that is engaged in this industry.
Summary of the invention
This novel pin for effectively solving the above problems, provides a kind of ultrahigh pressure plunger pump high-pressure outlet machinery voltage-regulating system to the drawback of existing technology.This novel technological gap of having filled up the mechanical voltage-regulating system of the domestic 2500bar-2800bar of being used for ultrahigh pressure plunger pump (unit).Main structure is taked to be converted into straight-line driving mechanism with spiral motion, making the part that is sealed and matched be in sealing state without spin, has improved sealing working life.The present invention simultaneously adopts fabricated structure; With support formula mode the superhigh pressure sealing parts are installed, after the sealing awl reached working life with the superhigh pressure sealing part, retainer ring and the sealing awl of only changing high pressure sealing got final product; Main valve body can use for a long time; Need not to change, this structural type has reduced materials consumption, has improved the life cycle of core components such as main valve body greatly.The present invention has also realized high pressure, the safe pressure regulation of ultrahigh pressure plunger pump (unit) under the 2500bar-2800bar job state.Promptly after the unit main pump starts, main pump is under the zero-pressure state, progressively boosts, make the process of boosting controlled fully through voltage-regulating system of the present invention.When unit operation finishes, be depressurized to the zero-pressure state steadily through regulator of the present invention again.Also reduced to boost under the situation of operation of ensuring safety, the step-down process is to the impact failure of plunger pump, pressure duct and other relevant former device.
Technological scheme provided by the invention is: a kind of ultrahigh pressure plunger pump exports mechanical voltage-regulating system; It is arranged on the liquid outlet of ultrahigh pressure plunger pump fluid power end; Comprise: following valve body; The one of which side is provided with the high pressure water import, and the high pressure water import is connected with the liquid outlet of ultrahigh pressure plunger pump fluid power end; Upper valve body, the one of which side is provided with the overflow water water outlet, and upper valve body and following valve body fasten each other, and are communicated with through the fluid pipeline that is formed on down in valve body and the upper valve body between said high pressure water import and the said overflow water water outlet; Wherein, the middle part of upper valve body is formed with vertical through hole, and this through hole is communicated with said fluid pipeline, and is provided with the containing space that is communicated with said through hole bottom the upper valve body, is equipped with sealed member in this containing space; Core bar, it longitudinally is arranged in the said through hole to straight reciprocating motion, and the lower end of said core bar is a taper.
Preferably, it is the cascade through hole that described ultrahigh pressure plunger pump exports through hole described in the mechanical voltage-regulating system, and the diameter of its upper half part is greater than the diameter of lower half portion,
And described ultrahigh pressure plunger pump exports mechanical voltage-regulating system and also comprises:
The locking swivel nut, it is fixedly installed in upper half part of said through hole, and is positioned at the periphery of said core bar; And said core bar is provided with screw thread, and the core bar assembly is spirally connected with the locking swivel nut each other.
Preferably, described ultrahigh pressure plunger pump exports the top of locking swivel nut described in the mechanical voltage-regulating system and protrudes in said upper valve body one segment distance.
Preferably, described ultrahigh pressure plunger pump also has the swing handle bar that fixedly installs with the core bar across above exporting core bar described in the mechanical voltage-regulating system.
Preferably, described ultrahigh pressure plunger pump exports that core bar comprises the two sections that hardness is different described in the mechanical voltage-regulating system.
Preferably, described ultrahigh pressure plunger pump exports the hardness of the hardness of core bar epimere described in the mechanical voltage-regulating system greater than hypomere.
Preferably, described ultrahigh pressure plunger pump exports between core bar described in the mechanical voltage-regulating system and the through hole inwall and is provided with seal arrangement.
Preferably, to export seal arrangement described in the mechanical voltage-regulating system be sealing material and spacer ring structure separately to described ultrahigh pressure plunger pump.
Preferably, described ultrahigh pressure plunger pump exports core bar epimere described in the mechanical voltage-regulating system and is connected with the hypomere bearing pin.
Preferably; Valve body and said upper valve body vertically were provided with internal thread through hole under described ultrahigh pressure plunger pump exported described in the mechanical voltage-regulating system; Hex head bolt passes said valve body internal thread through hole down and screws in the said upper valve body tapped through hole, thus said upper valve body is fixed in said valve body upper end down.
This novel described ultrahigh pressure plunger pump exports mechanical voltage-regulating system and has reduced materials consumption, has prolonged the life cycle of core components such as main valve body and sealing, has realized high pressure, the safe pressure regulation of ultrahigh pressure plunger pump (unit) under job state.
Description of drawings
Fig. 1 exports mechanical voltage-regulating system structural representation for ultrahigh pressure plunger pump according to the invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further detailed description, can implement according to this with reference to the specification literal to make those skilled in the art.
The structural representation that exports a preferred embodiment of mechanical voltage-regulating system for this novel said ultrahigh pressure plunger pump shown in Figure 1.The liquid outlet that it is arranged on ultrahigh pressure plunger pump fluid power end comprises: following valve body 7, and its right side is provided with high pressure water import 13, and high pressure water import 13 is connected with the liquid outlet of ultrahigh pressure plunger pump fluid power end; Upper valve body 3, its left side is provided with overflow water water outlet 14, and overflow water water outlet 14 is connected with the unit water system through pipeline, makes the earial drainage water in the pressure regulation process be back to water system to reduce water waste through the earial drainage pipeline.Upper valve body 3 fastens with following valve body 7 each other; And said high pressure water import 13 connects into fluid pipeline 15 with pipeline with said overflow water water outlet 14 and is connected in following valve body 7 and upper valve body 3, and high pressure water import 13 and fluid pipeline 15 and overflow water water outlet 14 are formed the flow channel of mechanical voltage-regulating system.The middle part of upper valve body 3 is formed with vertical through hole 1; This through hole 1 is communicated with fluid pipeline 15; And upper valve body 3 bottoms are provided with the containing space 10 that is communicated with said through hole 1; Be equipped with sealing material 9 in this containing space 10, containing space 10 can be cuboid shape, positive cuboid shape or the cylinder bodily form.Containing space 10 strict seal upper valve body 3 slit of docking with following valve body 7; Protection through hole 1 is connected with fluid pipeline 15; Protecting mechanical voltage-regulating system not seep water does not reveal; And be easy to change, only need take the upper valve body 3 and following valve body 7 of fastening apart, replacing sealing that just can direct convenience etc. has been disposed.Be provided with core bar 17 in the through hole 1, it can longitudinally move up and down in through hole 1, preferably; The lower end of the said core bar 17 of present embodiment is a taper; Be preferably conically shaped body in the present embodiment, as among the figure 16 concrete shown in core bar 17 lower ends be taper, the taper setting makes core bar 17 longitudinal movement up and down in through hole 1 more easily; And the current in the fluid pipeline 15 are passed through smoothly, can not block current.Further, through hole 1 is set to the cascade through hole, and the diameter of its upper half part is greater than the diameter of lower half portion, and upper half part and lower half portion joint are provided with liner 4, and liner 4 better connects and seal upper half part and lower half portion of through hole.
The preferred embodiment that ultrahigh pressure plunger pump shown in Figure 1 exports mechanical voltage-regulating system also comprises:
Locking swivel nut 2, it is fixedly installed in upper half part of said through hole 1, and is positioned at the periphery of said core bar 17; And said core bar 17 assemblies are provided with screw thread, and core bar 17 assemblies are spirally connected with the locking swivel nut each other.The top of locking swivel nut 2 protrudes in said upper valve body 3 one segment distances, and core bar 17 tops are mounted with the swing handle bar 18 that fixedly installs with core bar 17 across, and rotation swing handle bar 18 can drive the motions that core bar 17 and locking Luo cover 2 take place up or down.
Further, core bar 17 comprises the two sections that hardness is different, and the hardness of core bar 17 hypomeres is greater than the hardness of epimere.Core bar 17 can be arranged to worm structure with epimere, and hypomere is a smooth surface.The epimere of core bar 17 is connected by bearing pin with hypomere.
Ultrahigh pressure plunger pump still as shown in Figure 1 exports the preferred embodiment of mechanical voltage-regulating system; Wherein be provided with seal arrangement between core bar 17 and through hole 1 inwall; Seal arrangement is a sealing material 5 and spacer ring 6 separately structure longitudinally, and a gasket ring 8. is also placed in the seal arrangement bottom
Ultrahigh pressure plunger pump still as shown in Figure 1 exports the preferred embodiment of mechanical voltage-regulating system; Wherein descend valve body 7 and upper valve body 3 vertically to be provided with 2 internal thread through hole (not shown); Hex head bolt 11 screws in the internal thread through hole of upper valve body 3 after from bottom to top passing down valve body 7 internal thread through hole, thus upper valve body 3 is fixed in down valve body 7 upper ends.Further, be mounted with spring washer 12 between hex head bolt 11 heads and the following valve body 7, make hex head bolt 11 and following valve body 7 affixed more steadily firm.
In the cleaning process operating process, after the ultrahigh pressure plunger pump started, the mechanical voltage-regulating system that is installed on fluid end at first was in the state of opening fully; This moment is under the zero-pressure state in the pressure duct; When cleaning process began, at the uniform velocity the swing handle bar 18 of mechanical voltage-regulating system was transferred in rotation, and core bar 17 is at the uniform velocity moved downward; When the gap between core bar 17 and the seal arrangement progressively dwindles; System progressively boosts, and mechanical voltage-regulating system will reach rated pressure after core bar 17 and seal arrangement are closed fully, and this moment, mechanical voltage-regulating system was in the pressure-bearing closed state.After cleaning process finishes; The swing handle bar 18 of mechanical voltage-regulating system is transferred in reverse at the uniform velocity rotation; Core bar 17 is at the uniform velocity moved upward, and when the gap between core bar 17 and the seal arrangement progressively increases, system pressure will progressively drop to zero-pressure; After unloading pressurized overflow, overflow water is back to water tank through the earial drainage pipeline.After sealed member reaches working life, decompose upper valve body 3 and following valve body 7, take out sealing containing space 10, change black box.
This novel described ultrahigh pressure plunger pump exports mechanical voltage-regulating system and has reduced materials consumption, has improved the life cycle of core components such as main valve body and sealing, has realized the safe pressure regulation of ultrahigh pressure plunger pump under job state.
Although embodiment of the present invention are open as above; But it is not restricted to listed utilization in specification and the mode of execution; It can be applied to various suitable the field of the invention fully, for being familiar with those skilled in the art, can easily realize other modification; Therefore under the universal that does not deviate from claim and equivalency range and limited, the legend that the present invention is not limited to specific details and illustrates here and describe.
Claims (10)
1. a ultrahigh pressure plunger pump exports mechanical voltage-regulating system, and the liquid outlet that it is arranged on ultrahigh pressure plunger pump fluid power end is characterized in that, comprising:
Following valve body, the one of which side is provided with the high pressure water import, and the high pressure water import is connected with the liquid outlet of ultrahigh pressure plunger pump fluid power end;
Upper valve body, the one of which side is provided with the overflow water water outlet, and upper valve body and following valve body fasten each other, and are communicated with through the fluid pipeline that is formed on down in valve body and the upper valve body between said high pressure water import and the said overflow water water outlet;
Wherein, the middle part of upper valve body is formed with vertical through hole, and this through hole is communicated with said fluid pipeline, and is provided with the containing space that is communicated with said through hole bottom the upper valve body, is equipped with sealing material in this containing space;
Core bar, it can be arranged in the said through hole with longitudinally moving up and down, and the lower end of said core bar is a taper.
2. ultrahigh pressure plunger pump as claimed in claim 1 exports mechanical voltage-regulating system, it is characterized in that, said through hole is the cascade through hole, and the diameter of its upper half part is greater than the diameter of lower half portion,
And described ultrahigh pressure plunger pump exports mechanical voltage-regulating system and also comprises:
The locking swivel nut, it is fixedly installed in upper half part of said through hole, and is positioned at the periphery of said core bar;
Said core bar is provided with screw thread, and the core bar assembly is spirally connected with the locking swivel nut each other.
3. ultrahigh pressure plunger pump as claimed in claim 2 exports mechanical voltage-regulating system, it is characterized in that, the top of said locking swivel nut protrudes in said upper valve body one segment distance.
4. ultrahigh pressure plunger pump as claimed in claim 1 exports mechanical voltage-regulating system, it is characterized in that, said core bar top also has the swing handle bar that fixedly installs with the core bar across.
5. ultrahigh pressure plunger pump as claimed in claim 1 exports mechanical voltage-regulating system, it is characterized in that, said core bar comprises the two sections that hardness is different.
6. ultrahigh pressure plunger pump as claimed in claim 5 exports mechanical voltage-regulating system, it is characterized in that, the hardness of said core bar hypomere is greater than the hardness of epimere.
7. ultrahigh pressure plunger pump as claimed in claim 1 exports mechanical voltage-regulating system, it is characterized in that, is provided with seal arrangement between said core bar and the through hole inwall.
8. ultrahigh pressure plunger pump as claimed in claim 1 exports mechanical voltage-regulating system, it is characterized in that, said seal arrangement is sealing material and spacer ring structure separately.
9. export mechanical voltage-regulating system like claim 5 or 6 described ultrahigh pressure plunger pumps, it is characterized in that said core bar epimere is connected with the hypomere bearing pin.
10. ultrahigh pressure plunger pump as claimed in claim 1 exports mechanical voltage-regulating system; It is characterized in that; Said valve body down and said upper valve body vertically are provided with internal thread through hole; Hex head bolt passes said valve body internal thread through hole down and screws in the said upper valve body tapped through hole, thus said upper valve body is fixed in said valve body upper end down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205408150U CN202468267U (en) | 2011-12-21 | 2011-12-21 | Mechanical pressure adjusting system for outlet of ultrahigh-pressure piston pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205408150U CN202468267U (en) | 2011-12-21 | 2011-12-21 | Mechanical pressure adjusting system for outlet of ultrahigh-pressure piston pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468267U true CN202468267U (en) | 2012-10-03 |
Family
ID=46916428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205408150U Expired - Fee Related CN202468267U (en) | 2011-12-21 | 2011-12-21 | Mechanical pressure adjusting system for outlet of ultrahigh-pressure piston pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468267U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799038A (en) * | 2018-06-06 | 2018-11-13 | 广州富森环保科技股份有限公司 | A kind of super-high-pressure plunger pump fluid end |
-
2011
- 2011-12-21 CN CN2011205408150U patent/CN202468267U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799038A (en) * | 2018-06-06 | 2018-11-13 | 广州富森环保科技股份有限公司 | A kind of super-high-pressure plunger pump fluid end |
| CN108799038B (en) * | 2018-06-06 | 2024-05-07 | 广州富森环保科技股份有限公司 | Ultrahigh pressure plunger pump fluid end |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20121221 |