CN105937523B - The hydraulic pressure heat-exchange system of hydraulic pressure bypass with piston type relief valve - Google Patents
The hydraulic pressure heat-exchange system of hydraulic pressure bypass with piston type relief valve Download PDFInfo
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- CN105937523B CN105937523B CN201610512171.1A CN201610512171A CN105937523B CN 105937523 B CN105937523 B CN 105937523B CN 201610512171 A CN201610512171 A CN 201610512171A CN 105937523 B CN105937523 B CN 105937523B
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- Prior art keywords
- piston
- hydraulic pressure
- relief valve
- type relief
- fluid
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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
A kind of hydraulic pressure heat-exchange system of hydraulic pressure bypass with piston type relief valve of the present invention, it includes equipment heating source, radiator and the liquid reserve tank that oil circulation is connected, the side of the radiator is provided with cooling fan, the oil circuit at radiator two ends and has been arranged in parallel piston type relief valve.The present invention has reliability high, is hardly damaged, it is ensured that the advantage of system stable operation.
Description
Technical field
The present invention relates to a kind of hydraulic pressure heat-exchange system of the hydraulic pressure bypass with piston type relief valve.
Background technology
It is well known that oil temperature in hydraulic system optimum temperature is between 35 ~ 55 degrees Celsius, taken the photograph once temperature increases to over 60
Family name's degree, the system of hydraulic system will significantly decline, and its equipment fault continuously emerges, under causing the stability of equipment serious
Drop, it is impossible to ensure that machinery equipment is normally run.Especially season, high oil temperature, or even machinery equipment can be caused usually to locate in full summer
In stopped status.
Therefore the stability of hydraulic pressure heat-exchange system directly influences the working condition of machinery equipment, traditional hydraulic pressure heat exchange system
When fluid pressure is excessive in system, directly result in pressure in heat exchanger it is excessive to radiator cause damage.General radiator be
The collecting tank of radiator has the capacity of a fixed proportion, and fluid has certain big resistance by radiator heat-dissipation channel interior
Power.Its amount of liquid storage is smaller, does not buffer, running into that the temperature difference is big, low temperature environment, flow are uneven, have certain viscosity liquid,
Have under the fluid situations of impulsive force, the pressure of radiator heat-dissipation channel interior also increases therewith, is especially having impulsive force and viscosity
In the case of than larger fluid, because fluid is in the resistance of channel interior, prevent fluid from running through inside radiator passage,
Pressure increase is allowed to, more than the highest operating pressure of radiator, radiator is easy to damage, scrapped.
The content of the invention
It is above-mentioned not enough high there is provided a kind of reliability it is an object of the invention to overcome, it is hardly damaged, it is ensured that system is stable to transport
The hydraulic pressure heat-exchange system of the capable bypass of the hydraulic pressure with piston type relief valve.
The object of the present invention is achieved like this：
A kind of hydraulic pressure heat-exchange system of the hydraulic pressure bypass with piston type relief valve, it includes the equipment hair that oil circulation is connected
Thermal source, radiator and liquid reserve tank, the side of the radiator are provided with parallel connection on cooling fan, the oil circuit at radiator two ends and set
It is equipped with piston type relief valve, the piston type relief valve includes housing, piston and two springs, the housing lateral arrangement,
Formed in the housing in the middle part of the shell fluid passage of a lateral direction penetrating, the housing and be provided with Fluid passageways chamber, fluid
Passageway intracavitary is provided with the one piece of separation being fixedly installed ring flat-plate, separates ring flat-plate and Fluid passageways chamber is separated to form into two fluids in left and right
The chamber of passageway half, the piston is horizontally set at the middle part of shell fluid passage, two spring lateral arrangements, and two spring difference
In shell fluid passage on the outside of piston, the piston is the hollow structure of left and right ends opening, and the piston includes living
Fill in and one piece of dividing plate being vertically arranged is provided with the middle part of housing, the piston shell, the inside of piston is divided into left and right by dividing plate
Two piston fluid passages for being in communication with the outside respectively, are provided with what is be arranged symmetrically on the piston shell of the dividing plate left and right sides
Fluid bore.
The left and right ends of the housing are provided with hickey.
It is provided with the outer end of left and right two of the shell fluid passage in neck, the neck and is provided with jump ring, two
Spring is located in the shell fluid passage between piston and jump ring respectively.
The internal diameter for separating ring flat-plate is consistent with the internal diameter of shell fluid passage.
The external diameter of spring is matched with the internal diameter of shell fluid passage.
The fluid bore is circular layout on piston shell.
Fluid bore of the dividing plate per side is provided with multi-turn.
The fluid bore of high order end is not more than the transverse direction of the chamber of Fluid passageways half to the lateral separation between the fluid bore of low order end
Distance.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention has reliability high, is hardly damaged, it is ensured that the advantage of system stable operation.
Brief description of the drawings
Fig. 1 is structural representation of the 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 stereogram of piston type relief valve.
Wherein：
Equipment heating source 1
Liquid reserve 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
601.3rd, hickey 601.4, neck 601.5, piston 602, piston shell 602.1, dividing plate 602.2, fluid bore 602.3, platform
Rank 602.4, piston fluid passage 602.5, spring 603, jump ring 604
Cooling fan 9.
Embodiment
Referring to Fig. 1 ~ Figure 10, a kind of hydraulic pressure heat-exchange system of the hydraulic pressure bypass with piston type relief valve of the present invention,
It includes equipment heating source 1, radiator 5 and the liquid reserve tank 2 that oil circulation is connected, and the side of the radiator 5 is provided with scattered
Air-heater 9.It has been arranged in parallel on the oil circuit at the two ends of radiator 5 on piston type relief valve 6, oil circuit or temperature is set on liquid reserve tank 2
Spend sensor.
The piston type relief valve 6 includes housing 601, piston 602 and two springs 603, the horizontal cloth of housing 601
Put, the shell fluid passage 601.1 of a lateral direction penetrating is formed in the housing 601, the middle part of the housing 601 is provided with stream
Body passageway chamber 601.2, the internal diameter of Fluid passageways chamber 601.2 is more than the internal diameter of shell fluid passage 601.1, Fluid passageways chamber
The one piece of separation being fixedly installed ring flat-plate 601.3 is provided with 601.2, separates the internal diameter and shell fluid passage of ring flat-plate 601.3
601.1 internal diameter is consistent, separates ring flat-plate 601.3 and Fluid passageways chamber 601.2 is separated to form into two chambers of Fluid passageways half in left and right.Institute
The left and right ends for stating housing 601 are provided with hickey 601.4, and the piston 602 is horizontally set at shell fluid passage 601.1
Middle part, be provided with neck 601.5, the neck 601.5 at the outer end of left and right two of the shell fluid passage 601.1 and set
It is equipped with the shell that jump ring 604, two lateral arrangements of spring 603, and two springs 603 are located between piston 602 and jump ring 604 respectively
In body fluid passage 601.1, the external diameter of spring 603 is matched with the internal diameter of shell fluid passage 601.1.The piston 602 is a left side
The hollow structure of right both ends open, the piston 602 includes piston shell 602.1, and the middle part of the piston shell 602.1 is set
There is one piece of dividing plate being vertically arranged 602.2, the inside of piston 602 is divided into left and right two and connected respectively with the external world by dividing plate 602.2
Logical piston fluid passage 602.5, is provided with what is be arranged symmetrically on the piston shell 602.1 of the left and right sides of dividing plate 602.2
Fluid bore 602.3, the fluid bore 602.3 is circular layout on piston shell 602.1, fluid bore of the dividing plate 602.2 per side
602.3 can be provided with multi-turn, and the one of high order end encloses fluid bore 602.3 to the horizontal stroke between a circle fluid bore 602.3 of low order end
To the lateral separation of the distance no more than chamber of Fluid passageways half.The left and right ends of the piston 602 are provided with what is coordinated with spring 603
Step 602.4.
A kind of method of work of the hydraulic pressure heat-exchange system of the hydraulic pressure bypass with piston type relief valve：
When hydraulic pressure main road is unobstructed, the pressure of the left and right ends of piston type relief valve is equal, and piston is in housing center
Position, the partition position of piston is corresponding with the position of the separation ring flat-plate of housing, and piston is not acted；
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 big
In right-hand member pressure, the pressure in the piston fluid passage on the right side of dividing plate is more than due to the pressure in the piston fluid passage on the left of dividing plate
Power, fluid forces dividing plate moves right, so that piston also moves right, the fluid bore on the left of dividing plate is located at the one of right side
During individual half intracavitary of Fluid passageways, the larger fluid of pressure flows out to right side out of left side piston fluid passage by fluid bore
In one intracavitary of Fluid passageways half, the piston fluid passage that right side is then flow to again, so as to reach the purpose of pressure release, now left side
Spring be in extended state, the spring on right side is in compressive state, until equal with the pressure on right side on the left of dividing plate, piston is returned
Original position is put, 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 big
In left end pressure, the pressure in the piston fluid passage on the left of dividing plate is more than due to the pressure in the piston fluid passage on the right side of dividing plate
Power, fluid forces dividing plate is moved to the left, so that piston is also moved to the left, the fluid bore on the right side of dividing plate is located at the one of left side
During individual half intracavitary of Fluid passageways, the larger fluid of pressure flows out to left side out of right side piston fluid passage by fluid bore
In one intracavitary of Fluid passageways half, the piston fluid passage that left side is then flow to again, so as to reach the purpose of pressure release, now right side
Spring be in extended state, the spring in left side is in compressive state, until equal with the pressure on right side on the left of dividing plate, piston is returned
Original position is put, hydraulic pressure main road returns unobstructed.
Claims (7)
1. a kind of hydraulic pressure heat-exchange system of the hydraulic pressure bypass with piston type relief valve, it is characterised in that it connects including oil circulation
Equipment heating source, radiator and liquid reserve tank, the side of the radiator is provided with cooling fan, the oil circuit at radiator two ends
On be arranged in parallel piston type relief valve, the piston type relief valve includes housing（601）, piston（602）And two springs
（603）, the housing（601）Lateral arrangement, the housing（601）The interior shell fluid passage for forming a lateral direction penetrating
（601.1）, the housing（601）Middle part be provided with Fluid passageways chamber（601.2）, Fluid passageways chamber（601.2）Inside it is provided with
One piece of separation ring flat-plate for being fixedly installed（601.3）, separate ring flat-plate（601.3）By Fluid passageways chamber（601.2）It is separated to form left and right
Two chambers of Fluid passageways half, the piston（602）It is horizontally set at shell fluid passage（601.1）Middle part, two springs
（603）Lateral arrangement, and two springs（603）It is located at piston respectively（602）The shell fluid passage in outside（601.1）It is interior, institute
State piston（602）For the hollow structure of left and right ends opening, the piston（602）Including piston shell（602.1）, the piston
Housing（602.1）Middle part be provided with one piece of dividing plate being vertically arranged（602.2）, dividing plate（602.2）By piston（602）Inside
It is divided into the piston fluid passage that left and right two is in communication with the outside respectively（602.5）, positioned at dividing plate（602.2）The work of the left and right sides
Fill in housing（602.1）On be provided with the fluid bore being arranged symmetrically（602.3）；
The fluid bore of high order end（602.3）To the fluid bore of low order end（602.3）Between lateral separation be not more than Fluid passageways
The lateral separation of half chamber；
The piston（602）Left and right ends be provided with and spring（603）The step of cooperation（602.4）.
2. a kind of hydraulic pressure heat-exchange system of hydraulic pressure bypass with piston type relief valve according to claim 1, its feature exists
In the housing（601）Left and right ends be provided with hickey（601.4）.
3. a kind of hydraulic pressure heat-exchange system of hydraulic pressure bypass with piston type relief valve according to claim 1, its feature exists
In the shell fluid passage（601.1）The outer end of left and right two at be provided with neck（601.5）, the neck（601.5）It is interior
It is provided with jump ring（604）, two springs（603）It is located at piston respectively（602）With jump ring（604）Between shell fluid passage
（601.1）It is interior.
4. a kind of hydraulic pressure heat-exchange system of hydraulic pressure bypass with piston type relief valve according to claim 1, its feature exists
In separation ring flat-plate（601.3）Internal diameter and shell fluid passage（601.1）Internal diameter it is consistent.
5. a kind of hydraulic pressure heat-exchange system of hydraulic pressure bypass with piston type relief valve according to claim 1, its feature exists
In spring（603）External diameter and shell fluid passage（601.1）Internal diameter matching.
6. a kind of hydraulic pressure heat-exchange system of hydraulic pressure bypass with piston type relief valve according to claim 1, its feature exists
In the fluid bore（602.3）It is circular layout in piston shell（602.1）On.
7. a kind of hydraulic pressure heat-exchange system of hydraulic pressure bypass with piston type relief valve according to claim 1, its feature exists
In dividing plate（602.2）Fluid bore per side（602.3）It is provided with multi-turn.
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 CN105937523A (en) | 2016-09-14 |
| CN105937523B true CN105937523B (en) | 2017-11-07 |
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ID=56872691
Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105937523B (en) |
Family Cites Families (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 |
| US7401623B2 (en) * | 2006-01-20 | 2008-07-22 | Deere & Company | 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 |
| CN105003704B (en) * | 2015-06-26 | 2017-06-16 | 安徽江淮汽车集团股份有限公司 | Pressure-control valve and air 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
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| Publication number | Publication date |
|---|---|
| CN105937523A (en) | 2016-09-14 |
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