CN105937522B - The hydraulic pressure heat-exchange system of hydraulic pressure bypass with adjustable relief valve - Google Patents
The hydraulic pressure heat-exchange system of hydraulic pressure bypass with adjustable relief valve Download PDFInfo
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- CN105937522B CN105937522B CN201610511927.0A CN201610511927A CN105937522B CN 105937522 B CN105937522 B CN 105937522B CN 201610511927 A CN201610511927 A CN 201610511927A CN 105937522 B CN105937522 B CN 105937522B
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- hydraulic pressure
- shell body
- piston
- relief valve
- adjustable relief
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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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- Engineering & Computer Science (AREA)
- 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
A kind of hydraulic pressure heat-exchange system of the hydraulic pressure bypass of the adjustable relief valve of band 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 adjustable 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 the hydraulic pressure heat-exchange system that a kind of hydraulic pressure of the adjustable relief valve of band is bypassed.
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 hydraulic pressure bypass of the adjustable relief valve of capable band.
The object of the present invention is achieved like this:
A kind of hydraulic pressure heat-exchange system of the hydraulic pressure bypass of adjustable relief valve of band, 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
Be equipped with adjustable relief valve, the adjustable relief valve include shell body, inner housing, piston, two springs, two regulating blocks with
And two adjusting nuts, the shell body lateral arrangement, the shell body fluid that a lateral direction penetrating is formed in the shell body leads to
Fluid passageways chamber is provided with the middle part of road, the shell body, the internal diameter of Fluid passageways chamber is more than the external diameter of shell body fluid passage,
Fluid passageways intracavitary is fixedly installed one piece of separation ring flat-plate, separates ring flat-plate and Fluid passageways chamber is separated to form into the two fluid mistakes in left and right
The chamber of road half, left section and right section of the shell body is symmetrically arranged with a nut groove, and the piston is horizontally set at shell body stream
Set gradually from inside to outside respectively in the middle part of body passage, the shell body fluid passage of the piston left and right sides spring, regulating block with
And inner housing, the outer end of two springs connects to revolve respectively in the inner of two regulating blocks, the outer section of two regulating blocks respectively and is equipped with
Two adjusting nuts, regulating block and adjusting nut screw thread coordinate, and adjusting nut is limited in nut groove, the inner face of regulating block with
Gap is left between shell body, gap is left between the outer face of regulating block and inner housing, the piston is left and right ends opening
Hollow structure, the piston includes piston shell, is provided with one piece of dividing plate being vertically arranged in the middle part of the piston shell, every
The inside of piston is divided into the piston fluid passage that left and right two is in communication with the outside respectively, the work positioned at the dividing plate left and right sides by plate
The fluid bore being arranged symmetrically is provided with plug housing.
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 for separating ring flat-plate is consistent with the internal diameter of shell body fluid passage.
The external diameter of spring is matched with the internal diameter of shell body 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.
The left and right ends of the piston are provided with the step coordinated with spring.
It is provided between the inner segment outer wall and shell body of regulating block between inner seal ring, the outer section inwall inner housing of regulating block
It is provided with exterior seal ring.
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 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 the half-sectional explosive view of plane of adjustable relief valve.
Fig. 7 is the three-dimensional half-sectional explosive view of adjustable relief valve.
Fig. 8 is the schematic diagram of embodiment 1.
Fig. 9 is the schematic diagram of embodiment 2.
Wherein:
Equipment heating source 1
Liquid reserve 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
701.3rd, nut groove 701.4, inner housing 702, piston 703, piston shell 703.1, dividing plate 703.2, fluid bore 703.3, step
703.4th, piston fluid passage 703.5, spring 704, regulating block 705, adjusting nut 706, connecting bolt 707, inner seal ring
708th, exterior seal ring 709
Cooling fan 9.
Embodiment
Referring to Fig. 1 ~ Fig. 9, a kind of hydraulic pressure heat-exchange system of the hydraulic pressure bypass of adjustable relief valve of band of the present invention, it
Equipment heating source 1, radiator 5 and the liquid reserve tank 2 connected including oil circulation, the side of the radiator 5 is provided with radiating
Blower fan 9.It has been arranged in parallel on the oil circuit at the two ends of radiator 5 on adjustable relief valve 7, oil circuit or temperature is set on liquid reserve tank 2
Sensor.
The adjustable relief valve 7 includes shell body 701, inner housing 702, piston 703, two springs 704, two regulations
A transverse direction is formed in block 705 and two adjusting nuts 706, the lateral arrangement of shell body 701, the shell body 701 to pass through
Logical shell body fluid passage 701.1, the middle part of the shell body 701 is provided with Fluid passageways chamber 701.2, Fluid passageways chamber
701.2 internal diameter, which is more than in the external diameter of shell body fluid passage 701.1, Fluid passageways chamber 701.2, is fixedly installed one piece of separation
Ring flat-plate 701.3, the internal diameter for separating ring flat-plate 701.3 is consistent with the internal diameter of shell body fluid passage 701.1, and separating ring flat-plate 701.3 will
Fluid passageways chamber 701.2 is separated to form two chambers of Fluid passageways half in left and right, and left section and right section of the shell body 701 is symmetrical arranged
There is a nut groove 701.4.The piston 703 is horizontally set at the middle part of shell body fluid passage 701.1, piston 703 or so
Set gradually spring 704, regulating block 705 and inner housing in the shell body fluid passage 701.1 of both sides from inside to outside respectively
702, the external diameter of spring 704 is matched with the internal diameter of shell body fluid passage 701.1.The outer end of two springs 704 connects two respectively
Rotation is equipped with two adjusting nuts 706, adjusting nut 706 respectively in the inner of individual regulating block 705, the outer section of two regulating blocks 705
Hollow out at the shell body 701 of front and rear surfaces, the outer surface of adjusting nut 706 is provided with graduation mark, regulating block 705 and adjusting nut
706 screw threads coordinate, and adjusting nut 706 is limited in nut groove 701.4, and regulating block can be adjusted by putting adjusting nut 706 by rotation
705 lateral separation, so as to adjust the elastic potential energy of spring 704, can control fluid in outer shell fluid passage 701.1
Pressure release value.Inner housing 702 is fixed with shell body 701 by connecting bolt 707, and the outer end inner wall of inner housing 702 is provided with connection
Screw thread, is provided with inner seal ring 708, the outer section inwall of regulating block 705 between the inner segment outer wall and shell body 701 of regulating block 705
Exterior seal ring 709 is provided between inner housing 702, gap is left between the inner face and shell body 701 of regulating block 705, is adjusted
Gap is left between the outer face of block 705 and inner housing 702.
The piston 703 is the hollow structure of left and right ends opening, and the piston 703 includes piston shell 703.1, described
The middle part of piston shell 703.1 is provided with one piece of dividing plate being vertically arranged 703.2, and dividing plate 703.2 separates the inside of piston 703
The piston fluid passage 703.5 being in communication with the outside respectively for left and right two, the piston shell positioned at the left and right sides of dividing plate 703.2
It is provided with the fluid bore 703.3 being arranged symmetrically on 703.1, the fluid bore 703.3 is circular layout on piston shell 703.1,
Fluid bore 703.3 of the dividing plate 703.2 per side can be provided with multi-turn, and the one of high order end encloses fluid bore 703.3 to low order end
Lateral separation between one circle fluid bore 703.3 is not more than the lateral separation of the chamber of Fluid passageways half.The left and right two of the piston 703
End is 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 of the adjustable relief valve of band:
Adjusting nut is adjusted according to the setting pressure of fluid first, so as to be adjusted come the elastic potential energy to spring
Section, pressure release value of the final control fluid in outer shell fluid passage;
When hydraulic pressure main road is unobstructed, the pressure of the left and right ends of adjustable 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 adjustable 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 adjustable 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, Hydraulic Main equal with the pressure on right side on the left of dividing plate
Road returns unobstructed.
Claims (8)
1. the hydraulic pressure heat-exchange system of the hydraulic pressure bypass of a kind of adjustable relief valve of band, 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 adjustable relief valve, the adjustable relief valve includes shell body(701), inner housing(702), piston
(703), two springs(704), two regulating blocks(705)And two adjusting nuts(706), the shell body(701)Laterally
Arrangement, the shell body(701)The interior shell body fluid passage for forming a lateral direction penetrating(701.1), the shell body(701)
Middle part be provided with Fluid passageways chamber(701.2), Fluid passageways chamber(701.2)Internal diameter be more than shell body fluid passage
(701.1)External diameter, Fluid passageways chamber(701.2)Inside it is fixedly installed one piece of separation ring flat-plate(701.3), separate ring flat-plate
(701.3)By Fluid passageways chamber(701.2)It is separated to form two chambers of Fluid passageways half in left and right, the shell body(701)Left section
A nut groove is symmetrically arranged with right section(701.4), the piston(703)It is horizontally set at shell body fluid passage
(701.1)Middle part, piston(703)The shell body fluid passage of the left and right sides(701.1)Inside set gradually from inside to outside respectively
Spring(704), regulating block(705)And inner housing(702), two springs(704)Outer end connect two regulating blocks respectively
(705)The inner, two regulating blocks(705)Outer section on respectively rotation be equipped with two adjusting nuts(706), regulating block(705)With
Adjusting nut(706)Screw thread coordinates, adjusting nut(706)It is limited in nut groove(701.4)It is interior, regulating block(705)Inner face
With shell body(701)Between leave gap, regulating block(705)Outer face and inner housing(702)Between leave gap, the work
Plug(703)For the hollow structure of left and right ends opening, the piston(703)Including piston shell(703.1), the piston shell
(703.1)Middle part be provided with one piece of dividing plate being vertically arranged(703.2), dividing plate(703.2)By piston(703)Inside separate
The piston fluid passage being in communication with the outside respectively for left and right two(703.5), positioned at dividing plate(703.2)The piston shell of the left and right sides
Body(703.1)On be provided with the fluid bore being arranged symmetrically(703.3);
The piston(703)Left and right ends are provided with and spring(704)The step of cooperation(703.4);
Regulating block(705)Inner segment outer wall and shell body(701)Between be provided with inner seal ring(708), regulating block(705)It is outer
Section inwall inner housing(702)Between be provided with exterior seal ring(709).
2. a kind of hydraulic pressure heat-exchange system of the hydraulic pressure bypass of the adjustable relief valve of band according to claim 1, its feature exists
In inner housing(702)Outer end inner wall be provided with connection screw thread.
3. a kind of hydraulic pressure heat-exchange system of the hydraulic pressure bypass of the adjustable relief valve of band according to claim 1, its feature exists
In adjusting nut(706)The shell body of front and rear surfaces(701)Locate hollow out, adjusting nut(706)Outer surface be provided with graduation mark.
4. a kind of hydraulic pressure heat-exchange system of the hydraulic pressure bypass of the adjustable relief valve of band according to claim 1, its feature exists
In separation ring flat-plate(701.3)Internal diameter and shell body fluid passage(701.1)Internal diameter it is consistent.
5. a kind of hydraulic pressure heat-exchange system of the hydraulic pressure bypass of the adjustable relief valve of band according to claim 1, its feature exists
In spring(704)External diameter and shell body fluid passage(701.1)Internal diameter matching.
6. a kind of hydraulic pressure heat-exchange system of the hydraulic pressure bypass of the adjustable relief valve of band according to claim 1, its feature exists
In the fluid bore(703.3)It is circular layout in piston shell(703.1)On.
7. a kind of hydraulic pressure heat-exchange system of the hydraulic pressure bypass of the adjustable relief valve of band according to claim 1, its feature exists
In dividing plate(703.2)Fluid bore per side(703.3)It is provided with multi-turn.
8. a kind of hydraulic pressure heat-exchange system of the hydraulic pressure bypass of the adjustable relief valve of band according to claim 1, its feature exists
In the fluid bore of high order end(703.3)To the fluid bore of low order end(703.3)Between lateral separation be not more than Fluid passageways half
The lateral separation of chamber.
Priority Applications (1)
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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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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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CN105937522A CN105937522A (en) | 2016-09-14 |
CN105937522B true CN105937522B (en) | 2017-09-29 |
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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 |
CN201344738Y (en) * | 2008-12-05 | 2009-11-11 | 黄晓军 | Cooling circulation loop system with intelligent digital temperature controller |
CN201344736Y (en) * | 2008-12-05 | 2009-11-11 | 黄晓军 | Novel energy saving liquid cooling system |
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 |
CN201344738Y (en) * | 2008-12-05 | 2009-11-11 | 黄晓军 | Cooling circulation loop system with intelligent digital temperature controller |
CN201344736Y (en) * | 2008-12-05 | 2009-11-11 | 黄晓军 | Novel energy saving liquid cooling system |
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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CN105937522A (en) | 2016-09-14 |
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