CN105937523A - Hydraulic heat exchange system which is provided with piston type pressure relief valve and used for hydraulic bypass - Google Patents
Hydraulic heat exchange system which is provided with piston type pressure relief valve and used for hydraulic bypass Download PDFInfo
- Publication number
- CN105937523A CN105937523A CN201610512171.1A CN201610512171A CN105937523A CN 105937523 A CN105937523 A CN 105937523A CN 201610512171 A CN201610512171 A CN 201610512171A CN 105937523 A CN105937523 A CN 105937523A
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- Prior art keywords
- hydraulic pressure
- piston
- relief valve
- fluid
- exchange system
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/044—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with more than one spring
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Safety Valves (AREA)
Abstract
The invention relates to a hydraulic heat exchange system which is provided with a piston type pressure relief valve and used for a hydraulic bypass. The hydraulic heat exchange system comprises an equipment heating source, a heat sink and a liquid storage tank which are connected in series in a circulating manner through an oil way. A cooling fan is arranged on one side of the heat sink. The piston type pressure relief valve is arranged on the portion, at the two ends of the heat sink, of the oil way in parallel. The hydraulic heat exchange system has the beneficial effects that reliability is high, the system is not likely to be damaged, and stable operation of the system is guaranteed.
Description
Technical field
The present invention relates to the hydraulic pressure heat-exchange system of the hydraulic pressure bypass of a kind of band piston type relief valve.
Background technology
It is known that oil temperature in hydraulic system optimum temperature is between 35 ~ 55 degrees Celsius, once temperature increases to over 60 degrees Celsius, the system of hydraulic system will significantly decline, and equipment fault constantly occurs, cause the stability degradation of equipment, it is impossible to ensure that machinery equipment is properly functioning.Season the most in full summer, high oil temperature, even can cause machinery equipment to be usually in stopped status.
Therefore the stability of hydraulic pressure heat-exchange system directly influences the duty of machinery equipment, when fluid pressure is excessive in traditional hydraulic pressure heat-exchange system, directly results in heat exchanger that pressure is excessive causes damage to radiator.General radiator is the capacity having a fixed proportion at the collecting tank of radiator, and fluid has the biggest resistance by radiator heat-dissipation channel interior.Its liquid storage amount is less, not buffering, running into the temperature difference is big, low temperature environment, flow uneven, have certain viscosity liquid, under the fluid situations that has impulsive force, the pressure of radiator heat-dissipation channel interior increases the most therewith, especially in the case of having impulsive force and the bigger fluid of ratio of viscosities, owing to fluid is at the resistance of channel interior, make fluid can not run through inside radiator passage, being allowed to pressure increase, exceed the highest operating pressure of radiator, radiator is easy to damage, scrap.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency, it is provided that a kind of reliability is high, is hardly damaged, it is ensured that the hydraulic pressure heat-exchange system of the hydraulic pressure bypass of the band piston type relief valve of system stable operation.
The object of the present invention is achieved like this:
nullA kind of hydraulic pressure heat-exchange system of the hydraulic pressure bypass of band piston type relief valve，It includes the equipment heating source that oil circulation is connected、Radiator and reserving liquid tank，The side of described radiator is provided with cooling fan，Piston type relief valve it has been arranged in parallel on the oil circuit at radiator two ends，Described piston type relief valve includes housing、Piston and two springs，Described housing lateral arrangement，The shell fluid passage of a lateral direction penetrating is formed in described housing，The middle part of described housing is provided with Fluid passageways chamber，Fluid passageways intracavity is provided with one piece of separation ring flat-plate being fixedly installed，Separate ring flat-plate and Fluid passageways chamber is separated to form two Fluid passageways half chambeies, left and right，Described piston is horizontally set at the middle part of shell fluid passage，Two spring lateral arrangement，And two springs lay respectively in the shell fluid passage outside piston，Described piston is the hollow structure of left and right both ends open，Described piston includes piston shell，The middle part of described piston shell is provided with one piece of dividing plate being vertically arranged，The inside of piston is divided into two the piston fluid passages being in communication with the outside respectively in left and right by dividing plate，It is positioned at and on the piston shell of the dividing plate left and right sides, is provided with the fluid bore being arranged symmetrically with.
The two ends, left and right of described housing are provided with hickey.
Two, the left and right of described shell fluid passage is provided with draw-in groove at outer end, is provided with jump ring in described draw-in groove, and two springs lay respectively in the shell fluid passage between piston and jump ring.
The internal diameter separating ring flat-plate is consistent with the internal diameter of shell fluid passage.
The external diameter of spring mates with the internal diameter of shell fluid passage.
Described fluid bore is circular layout on piston shell.
The fluid bore of the every side of dividing plate is provided with multi-turn.
The fluid bore of high order end is not more than the lateral separation in Fluid passageways half chamber to the lateral separation between the fluid bore of low order end.
Compared with prior art, the invention has the beneficial effects as follows:
It is high that the present invention has reliability, is hardly damaged, it is ensured that the advantage of system stable operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of piston type relief valve.
Fig. 3 is the side view of piston type relief valve.
Fig. 4 is the section plan of housing.
Fig. 5 is the three-dimensional cutaway view of housing.
Fig. 6 is the section plan of piston.
Fig. 7 is the three-dimensional cutaway view of piston.
Fig. 8 is the schematic diagram of embodiment 1.
Fig. 9 is the schematic diagram of embodiment 2.
Figure 10 is the profile axonometric chart of piston type relief valve.
Wherein:
Equipment heating source 1
Reserving liquid tank 2
Radiator 5
Piston type relief valve 6, housing 601, shell fluid passage 601.1, Fluid passageways chamber 601.2, separation ring flat-plate 601.3, hickey 601.4, draw-in groove 601.5, piston 602, piston shell 602.1, dividing plate 602.2, fluid bore 602.3, step 602.4, piston fluid passage 602.5, spring 603, jump ring 604
Cooling fan 9.
Detailed description of the invention
Seeing Fig. 1 ~ Figure 10, the hydraulic pressure heat-exchange system of the hydraulic pressure of a kind of band piston type relief valve that the present invention relates to bypass, it includes equipment heating source 1, radiator 5 and the reserving liquid tank 2 that oil circulation is connected, and the side of described radiator 5 is provided with cooling fan 9.It is arranged in parallel piston type relief valve 6 on the oil circuit at radiator 5 two ends, on oil circuit or on reserving liquid tank 2, temperature sensor has been set.
Described piston type relief valve 6 includes housing 601, piston 602 and two springs 603, described housing 601 lateral arrangement, the shell fluid passage 601.1 of a lateral direction penetrating is formed in described housing 601, the middle part of described housing 601 is provided with Fluid passageways chamber 601.2, the internal diameter in Fluid passageways chamber 601.2 is more than the internal diameter of shell fluid passage 601.1, one piece of separation ring flat-plate 601.3 being fixedly installed it is provided with in Fluid passageways chamber 601.2, the internal diameter separating ring flat-plate 601.3 is consistent with the internal diameter of shell fluid passage 601.1, separate ring flat-plate 601.3 and Fluid passageways chamber 601.2 is separated to form two Fluid passageways half chambeies, left and right.The two ends, left and right of described housing 601 are provided with hickey 601.4, described piston 602 is horizontally set at the middle part of shell fluid passage 601.1, two, the left and right of described shell fluid passage 601.1 is provided with draw-in groove 601.5 at outer end, it is provided with jump ring 604 in described draw-in groove 601.5, two spring 603 lateral arrangement, and two springs 603 lay respectively in the shell fluid passage 601.1 between piston 602 and jump ring 604, the external diameter of spring 603 mates with the internal diameter of shell fluid passage 601.1.nullDescribed piston 602 is the hollow structure of left and right both ends open，Described piston 602 includes piston shell 602.1，The middle part of described piston shell 602.1 is provided with one piece of dividing plate being vertically arranged 602.2，The inside of piston 602 is divided into two the piston fluid passages 602.5 being in communication with the outside respectively in left and right by dividing plate 602.2，It is positioned at and on the piston shell 602.1 of dividing plate 602.2 left and right sides, is provided with the fluid bore 602.3 being arranged symmetrically with，Described fluid bore 602.3 is circular layout on piston shell 602.1，The fluid bore 602.3 of the every side of dividing plate 602.2 can be provided with multi-turn，Lateral separation between one circle fluid bore 602.3 of one circle fluid bore 602.3 to low order end of high order end is not more than the lateral separation in Fluid passageways half chamber.The two ends, left and right of described piston 602 are provided with the step 602.4 coordinated with spring 603.
A kind of method of work of the hydraulic pressure heat-exchange system of the hydraulic pressure bypass of band piston type relief valve:
When hydraulic pressure main road is unobstructed, the pressure at the two ends, left and right of piston type relief valve is equal, and piston is in housing center position, and the partition position of piston is corresponding with the position separating ring flat-plate of housing, and piston does not do action；
Embodiment 1, when liquid flows from left to right and hydraulic pressure main road is obstructed, the left end pressure of piston type relief valve is more than right-hand member pressure, owing to the pressure in the piston fluid passage on the left of dividing plate is more than the pressure in the piston fluid passage on the right side of dividing plate, fluid forces dividing plate moves right, so that piston also moves right, when the fluid bore on the left of dividing plate is positioned at Fluid passageways half intracavity on right side, the fluid that pressure is bigger flows out to Fluid passageways half intracavity on right side in the piston fluid passage in left side by fluid bore, it flow to the most again in the piston fluid passage on right side, thus reach the purpose of pressure release, now the spring in left side is in extended state, the spring on right side is in compressive state, until the pressure on the left of dividing plate and right side is equal, piston is put in order in situ, hydraulic pressure main road returns unobstructed.
Embodiment 2, when liquid flows from left to right and hydraulic pressure main road is obstructed, the right-hand member pressure of piston type relief valve is more than left end pressure, owing to the pressure in the piston fluid passage on the right side of dividing plate is more than the pressure in the piston fluid passage on the left of dividing plate, fluid forces dividing plate is moved to the left, so that piston is also moved to the left, when the fluid bore on the right side of dividing plate is positioned at Fluid passageways half intracavity in left side, the fluid that pressure is bigger flows out to Fluid passageways half intracavity in left side in the piston fluid passage on right side by fluid bore, it flow to the most again in the piston fluid passage in left side, thus reach the purpose of pressure release, now the spring on right side is in extended state, the spring in left side is in compressive state, until the pressure on the left of dividing plate and right side is equal, piston is put in order in situ, hydraulic pressure main road returns unobstructed.
Claims (9)
- null1. the hydraulic pressure heat-exchange system of the hydraulic pressure bypass of a band piston type relief valve，It is characterized in that it includes the equipment heating source that oil circulation is connected、Radiator and reserving liquid tank，The side of described radiator is provided with cooling fan，Piston type relief valve it has been arranged in parallel on the oil circuit at radiator two ends，Described piston type relief valve includes housing (601)、Piston (602) and two springs (603)，Described housing (601) lateral arrangement，The shell fluid passage (601.1) of a lateral direction penetrating is formed in described housing (601)，The middle part of described housing (601) is provided with Fluid passageways chamber (601.2)，One piece of separation ring flat-plate (601.3) being fixedly installed it is provided with in Fluid passageways chamber (601.2)，Separate ring flat-plate (601.3) and Fluid passageways chamber (601.2) are separated to form two Fluid passageways half chambeies, left and right，Described piston (602) is horizontally set at the middle part of shell fluid passage (601.1)，Two spring (603) lateral arrangement，And two springs (603) lay respectively in the shell fluid passage (601.1) outside piston (602)，Described piston (602) is the hollow structure of left and right both ends open，Described piston (602) includes piston shell (602.1)，The middle part of described piston shell (602.1) is provided with one piece of dividing plate being vertically arranged (602.2)，The inside of piston (602) is divided into two the piston fluid passages (602.5) being in communication with the outside respectively in left and right by dividing plate (602.2)，It is positioned on the piston shell (602.1) of dividing plate (602.2) left and right sides and is provided with the fluid bore (602.3) being arranged symmetrically with.
- The hydraulic pressure heat-exchange system of the hydraulic pressure bypass of a kind of band piston type relief valve the most according to claim 1, it is characterised in that the two ends, left and right of described housing (601) are provided with hickey (601.4).
- The hydraulic pressure heat-exchange system of the hydraulic pressure bypass of a kind of band piston type relief valve the most according to claim 1, it is characterized in that being provided with draw-in groove (601.5) at the outer end, two, left and right of described shell fluid passage (601.1), being provided with jump ring (604) in described draw-in groove (601.5), two springs (603) lay respectively in the shell fluid passage (601.1) between piston (602) and jump ring (604).
- The hydraulic pressure heat-exchange system of the hydraulic pressure bypass of a kind of band piston type relief valve the most according to claim 1, it is characterised in that the internal diameter separating ring flat-plate (601.3) is consistent with the internal diameter of shell fluid passage (601.1).
- The hydraulic pressure heat-exchange system of the hydraulic pressure bypass of a kind of band piston type relief valve the most according to claim 1, it is characterised in that the external diameter of spring (603) mates with the internal diameter of shell fluid passage (601.1).
- The hydraulic pressure heat-exchange system of the hydraulic pressure bypass of a kind of band piston type relief valve the most according to claim 1, it is characterised in that described fluid bore (602.3) is circular layout on piston shell (602.1).
- The hydraulic pressure heat-exchange system of the hydraulic pressure bypass of a kind of band piston type relief valve the most according to claim 1, it is characterised in that the fluid bore (602.3) of the every side of dividing plate (602.2) is provided with multi-turn.
- The hydraulic pressure heat-exchange system of the hydraulic pressure bypass of a kind of band piston type relief valve the most according to claim 1, it is characterised in that the lateral separation between the fluid bore (602.3) of the fluid bore (602.3) of high order end to low order end is not more than the lateral separation in Fluid passageways half chamber.
- The hydraulic pressure heat-exchange system of the hydraulic pressure bypass of a kind of band piston type relief valve the most according to claim 1, it is characterised in that the two ends, left and right of described piston (602) are provided with the step (602.4) coordinated with spring (603).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610512171.1A CN105937523B (en) | 2016-06-30 | 2016-06-30 | The hydraulic pressure heat-exchange system of hydraulic pressure bypass with piston type relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610512171.1A CN105937523B (en) | 2016-06-30 | 2016-06-30 | The hydraulic pressure heat-exchange system of hydraulic pressure bypass with piston type relief valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105937523A true CN105937523A (en) | 2016-09-14 |
| CN105937523B CN105937523B (en) | 2017-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610512171.1A Active CN105937523B (en) | 2016-06-30 | 2016-06-30 | The hydraulic pressure heat-exchange system of hydraulic pressure bypass with piston type relief valve |
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| CN (1) | CN105937523B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4033375A (en) * | 1976-05-07 | 1977-07-05 | J. I. Case Company | Two-way fluid pressure relief valve |
| DE3916260A1 (en) * | 1989-05-19 | 1990-11-22 | Voss Richard Grubenausbau | Small pressure restricting valve with high rate of flow - has tubular sleeve forming valve piston containing interconnecting throttle bore |
| CN2886471Y (en) * | 2006-02-21 | 2007-04-04 | 黄晓军 | Liquid multi-circulating forced cooling system |
| US20070169822A1 (en) * | 2006-01-20 | 2007-07-26 | Deere & Company, A Delaware Corporation | Double-acting valve unit |
| CN201344736Y (en) * | 2008-12-05 | 2009-11-11 | 黄晓军 | Novel energy saving liquid cooling system |
| CN202402737U (en) * | 2012-01-06 | 2012-08-29 | 福建雪人股份有限公司 | Oil pressure soft bypass valve |
| CN105003704A (en) * | 2015-06-26 | 2015-10-28 | 安徽江淮汽车股份有限公司 | Pressure control valve and pneumatic suspension |
| CN105486161A (en) * | 2015-12-31 | 2016-04-13 | 无锡市普尔换热器制造有限公司 | High-pressure radiator of external type bypass pressure release valve |
-
2016
- 2016-06-30 CN CN201610512171.1A patent/CN105937523B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4033375A (en) * | 1976-05-07 | 1977-07-05 | J. I. Case Company | Two-way fluid pressure relief valve |
| DE3916260A1 (en) * | 1989-05-19 | 1990-11-22 | Voss Richard Grubenausbau | Small pressure restricting valve with high rate of flow - has tubular sleeve forming valve piston containing interconnecting throttle bore |
| US20070169822A1 (en) * | 2006-01-20 | 2007-07-26 | Deere & Company, A Delaware Corporation | Double-acting valve unit |
| CN2886471Y (en) * | 2006-02-21 | 2007-04-04 | 黄晓军 | Liquid multi-circulating forced cooling system |
| CN201344736Y (en) * | 2008-12-05 | 2009-11-11 | 黄晓军 | Novel energy saving liquid cooling system |
| CN202402737U (en) * | 2012-01-06 | 2012-08-29 | 福建雪人股份有限公司 | Oil pressure soft bypass valve |
| CN105003704A (en) * | 2015-06-26 | 2015-10-28 | 安徽江淮汽车股份有限公司 | Pressure control valve and pneumatic suspension |
| CN105486161A (en) * | 2015-12-31 | 2016-04-13 | 无锡市普尔换热器制造有限公司 | High-pressure radiator of external type bypass pressure release valve |
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| Publication number | Publication date |
|---|---|
| CN105937523B (en) | 2017-11-07 |
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