CN105937522A - Hydraulic heat exchange system provided with adjustable pressure relief valve and used for hydraulic bypass - Google Patents
Hydraulic heat exchange system provided with adjustable pressure relief valve and used for hydraulic bypass Download PDFInfo
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- CN105937522A CN105937522A CN201610511927.0A CN201610511927A CN105937522A CN 105937522 A CN105937522 A CN 105937522A CN 201610511927 A CN201610511927 A CN 201610511927A CN 105937522 A CN105937522 A CN 105937522A
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- hydraulic pressure
- relief valve
- shell body
- piston
- exchange system
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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
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Safety Valves (AREA)
Abstract
The invention relates to a hydraulic heat exchange system provided with an adjustable 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 adjustable pressure relief valve is arranged on the portion, at the two ends of the heat sink, of the oil way in a parallel-connection manner. 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 a kind of hydraulic pressure with adjustable relief valve bypass.
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 bypass of the hydraulic pressure with adjustable 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 with adjustable 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，Adjustable relief valve it has been arranged in parallel on the oil circuit at radiator two ends，Described adjustable relief valve includes shell body、Inner housing、Piston、Two springs、Two regulating blocks and two adjusting nuts，Described shell body lateral arrangement，The shell body fluid passage of a lateral direction penetrating is formed in described shell body，The middle part of described shell body is provided with Fluid passageways chamber，The internal diameter in Fluid passageways chamber is more than the external diameter of shell body fluid passage，Fluid passageways intracavity is fixedly installed one piece and separates ring flat-plate，Separate ring flat-plate and Fluid passageways chamber is separated to form two Fluid passageways half chambeies, left and right，Left section of described shell body is symmetrically arranged with a nut groove with right section，Described piston is horizontally set at the middle part of shell body fluid passage，Spring is the most from inside to outside set gradually in the shell body fluid passage of the piston left and right sides、Regulating block and inner housing，The outer end of two springs connects the inner of two regulating blocks respectively，In the outer section of two regulating blocks, rotation is equipped with two adjusting nuts respectively，Regulating block and adjusting nut threaded engagement，Adjusting nut is limited in nut groove，Gap is left between inner face and the shell body of regulating block，Gap is left between outer face and the inner housing of regulating block，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 outer end inner wall of inner housing is provided with connection screw thread.
Hollow out at the shell body of adjusting nut front and rear surfaces, the outer surface of adjusting nut is provided with graduation mark.
The internal diameter separating ring flat-plate is consistent with the internal diameter of shell body fluid passage.
The external diameter of spring mates with the internal diameter of shell body 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.
Described piston. two ends, left and right be provided with the step coordinated with spring.
It is provided with inner seal ring between inner segment outer wall and the shell body of regulating block, between the outer section inwall inner housing of regulating block, is provided with exterior seal ring.
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 internal structure schematic diagram of adjustable relief valve.
Fig. 3 is the contour structures schematic diagram of adjustable relief valve.
Fig. 4 is the section plan of housing.
Fig. 5 is the section plan of piston.
Fig. 6 is that the plane of adjustable relief valve partly cuts open explosive view.
Fig. 7 is that the solid of adjustable relief valve partly cuts open explosive view.
Fig. 8 is the schematic diagram of embodiment 1.
Fig. 9 is the schematic diagram of embodiment 2.
Wherein:
Equipment heating source 1
Reserving liquid tank 2
Radiator 5
Adjustable relief valve 7, shell body 701, shell body fluid passage 701.1, Fluid passageways chamber 701.2, separation ring flat-plate 701.3, nut groove 701.4, inner housing 702, piston 703, piston shell 703.1, dividing plate 703.2, fluid bore 703.3, step 703.4, piston fluid passage 703.5, spring 704, regulating block 705, adjusting nut 706, connecting bolt 707, inner seal ring 708, exterior seal ring 709
Cooling fan 9.
Detailed description of the invention
Seeing Fig. 1 ~ Fig. 9, the hydraulic pressure heat-exchange system of a kind of hydraulic pressure bypass with adjustable relief valve that the present invention relates to, 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 adjustable relief valve 7 on the oil circuit at radiator 5 two ends, on oil circuit or on reserving liquid tank 2, temperature sensor has been set.
nullDescribed adjustable relief valve 7 includes shell body 701、Inner housing 702、Piston 703、Two springs 704、Two regulating blocks 705 and two adjusting nuts 706，Described shell body 701 lateral arrangement，The shell body fluid passage 701.1 of a lateral direction penetrating is formed in described shell body 701，The middle part of described shell body 701 is provided with Fluid passageways chamber 701.2，The internal diameter in Fluid passageways chamber 701.2 is more than the external diameter of shell body fluid passage 701.1，It is fixedly installed one piece in Fluid passageways chamber 701.2 and separates ring flat-plate 701.3，The internal diameter separating ring flat-plate 701.3 is consistent with the internal diameter of shell body fluid passage 701.1，Separate ring flat-plate 701.3 and Fluid passageways chamber 701.2 is separated to form two Fluid passageways half chambeies, left and right，Left section of described shell body 701 is symmetrically arranged with a nut groove 701.4 with right section.Described piston 703 is horizontally set at the middle part of shell body fluid passage 701.1, the most from inside to outside setting gradually spring 704, regulating block 705 and inner housing 702 in the shell body fluid passage 701.1 of piston 703 left and right sides, the external diameter of spring 704 mates with the internal diameter of shell body fluid passage 701.1.The outer end of two springs 704 connects the inner of two regulating blocks 705 respectively, in the outer section of two regulating blocks 705, rotation is equipped with two adjusting nuts 706 respectively, hollow out at the shell body 701 of adjusting nut 706 front and rear surfaces, the outer surface of adjusting nut 706 is provided with graduation mark, regulating block 705 and adjusting nut 706 threaded engagement, adjusting nut 706 is limited in nut groove 701.4, put adjusting nut 706 by rotation and can regulate the lateral separation of regulating block 705, thus regulate the elastic potential energy of spring 704, the pressure release value in fluid shell fluid passage 701.1 outside can be controlled.Inner housing 702 is fixed by connecting bolt 707 with shell body 701, the outer end inner wall of inner housing 702 is provided with connection screw thread, it is provided with inner seal ring 708 between inner segment outer wall and the shell body 701 of regulating block 705, it is provided with exterior seal ring 709 between the outer section inwall inner housing 702 of regulating block 705, leave gap between inner face and the shell body 701 of regulating block 705, between outer face and the inner housing 702 of regulating block 705, leave gap.
nullDescribed piston 703 is the hollow structure of left and right both ends open，Described piston 703 includes piston shell 703.1，The middle part of described piston shell 703.1 is provided with one piece of dividing plate being vertically arranged 703.2，The inside of piston 703 is divided into two the piston fluid passages 703.5 being in communication with the outside respectively in left and right by dividing plate 703.2，It is positioned at and on the piston shell 703.1 of dividing plate 703.2 left and right sides, is provided with the fluid bore 703.3 being arranged symmetrically with，Described fluid bore 703.3 is circular layout on piston shell 703.1，The fluid bore 703.3 of the every side of dividing plate 703.2 can be provided with multi-turn，Lateral separation between one circle fluid bore 703.3 of one circle fluid bore 703.3 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 703 are provided with the step 703.4 coordinated with spring 704.
A kind of method of work of the hydraulic system of the hydraulic pressure bypass with adjustable relief valve:
First according to the setting pressure of fluid, adjusting nut is adjusted, thus the elastic potential energy of spring is adjusted, the final pressure release value controlled in fluid shell fluid passage outside；
When hydraulic pressure main road is unobstructed, the pressure at the two ends, left and right of adjustable 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 adjustable 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 adjustable 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, hydraulic pressure main road returns unobstructed.
Claims (10)
- null1. the hydraulic pressure heat-exchange system of the hydraulic pressure bypass with adjustable 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，Adjustable relief valve it has been arranged in parallel on the oil circuit at radiator two ends，Described adjustable relief valve includes shell body (701)、Inner housing (702)、Piston (703)、Two springs (704)、Two regulating blocks (705) and two adjusting nuts (706)，Described shell body (701) lateral arrangement，The shell body fluid passage (701.1) of a lateral direction penetrating is formed in described shell body (701)，The middle part of described shell body (701) is provided with Fluid passageways chamber (701.2)，The internal diameter in Fluid passageways chamber (701.2) is more than the external diameter of shell body fluid passage (701.1)，It is fixedly installed one piece in Fluid passageways chamber (701.2) and separates ring flat-plate (701.3)，Separate ring flat-plate (701.3) and Fluid passageways chamber (701.2) are separated to form two Fluid passageways half chambeies, left and right，Left section of described shell body (701) is symmetrically arranged with a nut groove (701.4) with right section，Described piston (703) is horizontally set at the middle part of shell body fluid passage (701.1)，Spring (704) is the most from inside to outside set gradually in the shell body fluid passage (701.1) of piston (703) left and right sides、Regulating block (705) and inner housing (702)，The outer end of two springs (704) connects the inner of two regulating blocks (705) respectively，In the outer section of two regulating blocks (705), rotation is equipped with two adjusting nuts (706) respectively，Regulating block (705) and adjusting nut (706) threaded engagement，Adjusting nut (706) is limited in nut groove (701.4)，Gap is left between inner face and the shell body (701) of regulating block (705)，Gap is left between outer face and the inner housing (702) of regulating block (705)，Described piston (703) is the hollow structure of left and right both ends open，Described piston (703) includes piston shell (703.1)，The middle part of described piston shell (703.1) is provided with one piece of dividing plate being vertically arranged (703.2)，The inside of piston (703) is divided into two the piston fluid passages (703.5) being in communication with the outside respectively in left and right by dividing plate (703.2)，It is positioned on the piston shell (703.1) of dividing plate (703.2) left and right sides and is provided with the fluid bore (703.3) being arranged symmetrically with.
- The hydraulic pressure heat-exchange system of a kind of hydraulic pressure bypass with adjustable relief valve the most according to claim 1, it is characterised in that the outer end inner wall of inner housing (702) is provided with connection screw thread.
- The hydraulic pressure heat-exchange system of a kind of hydraulic pressure bypass with adjustable relief valve the most according to claim 1, it is characterised in that shell body (701) the place hollow out of adjusting nut (706) front and rear surfaces, the outer surface of adjusting nut (706) is provided with graduation mark.
- The hydraulic pressure heat-exchange system of a kind of hydraulic pressure bypass with adjustable relief valve the most according to claim 1, it is characterised in that the internal diameter separating ring flat-plate (701.3) is consistent with the internal diameter of shell body fluid passage (701.1).
- The hydraulic pressure heat-exchange system of a kind of hydraulic pressure bypass with adjustable relief valve the most according to claim 1, it is characterised in that the external diameter of spring (704) mates with the internal diameter of shell body fluid passage (701.1).
- The hydraulic pressure heat-exchange system of a kind of hydraulic pressure bypass with adjustable relief valve the most according to claim 1, it is characterised in that described fluid bore (703.3) is circular layout on piston shell (703.1).
- The hydraulic pressure heat-exchange system of a kind of hydraulic pressure bypass with adjustable relief valve the most according to claim 1, it is characterised in that the fluid bore (703.3) of the every side of dividing plate (703.2) is provided with multi-turn.
- The hydraulic pressure heat-exchange system of a kind of hydraulic pressure bypass with adjustable relief valve the most according to claim 1, it is characterised in that the lateral separation between the fluid bore (703.3) of the fluid bore (703.3) of high order end to low order end is not more than the lateral separation in Fluid passageways half chamber.
- The most according to claim 1 a kind of with adjustable relief valve hydraulic pressure bypass hydraulic pressure heat-exchange system, it is characterised in that described piston (703). two ends, left and right be provided with the step (703.4) coordinated with spring (704).
- The hydraulic pressure heat-exchange system of a kind of hydraulic pressure bypass with adjustable relief valve the most according to claim 1, it is characterized in that being provided with between the inner segment outer wall of regulating block (705) and shell body (701) inner seal ring (708), between outer section inwall inner housing (702) of regulating block (705), be provided with exterior seal ring (709).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610511927.0A CN105937522B (en) | 2016-06-30 | 2016-06-30 | The hydraulic pressure heat-exchange system of hydraulic pressure bypass with adjustable relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610511927.0A CN105937522B (en) | 2016-06-30 | 2016-06-30 | The hydraulic pressure heat-exchange system of hydraulic pressure bypass with adjustable relief valve |
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| Publication Number | Publication Date |
|---|---|
| CN105937522A true CN105937522A (en) | 2016-09-14 |
| CN105937522B CN105937522B (en) | 2017-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610511927.0A Active CN105937522B (en) | 2016-06-30 | 2016-06-30 | The hydraulic pressure heat-exchange system of hydraulic pressure bypass with adjustable relief valve |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB359896A (en) * | 1930-07-22 | 1931-10-22 | Thomas Jack Aldridge | Improvements relating to valves actuated by fluid under pressure |
| 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 |
| CN201344738Y (en) * | 2008-12-05 | 2009-11-11 | 黄晓军 | Cooling circulation loop system with intelligent digital temperature controller |
| CN103603747A (en) * | 2013-08-10 | 2014-02-26 | 蒙国宁 | Intake pressure balancing adjuster for supercharged and intercooled gas engine |
-
2016
- 2016-06-30 CN CN201610511927.0A patent/CN105937522B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB359896A (en) * | 1930-07-22 | 1931-10-22 | Thomas Jack Aldridge | Improvements relating to valves actuated by fluid under pressure |
| 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 |
| CN201344738Y (en) * | 2008-12-05 | 2009-11-11 | 黄晓军 | Cooling circulation loop system with intelligent digital temperature controller |
| CN103603747A (en) * | 2013-08-10 | 2014-02-26 | 蒙国宁 | Intake pressure balancing adjuster for supercharged and intercooled gas engine |
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| Publication number | Publication date |
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| CN105937522B (en) | 2017-09-29 |
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