CN111207134A - Hydraulic oil heat dissipation device of hydraulic machine - Google Patents
Hydraulic oil heat dissipation device of hydraulic machine Download PDFInfo
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- CN111207134A CN111207134A CN201811367498.XA CN201811367498A CN111207134A CN 111207134 A CN111207134 A CN 111207134A CN 201811367498 A CN201811367498 A CN 201811367498A CN 111207134 A CN111207134 A CN 111207134A
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- cooling
- pipeline
- heat dissipation
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- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 27
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000003921 oil Substances 0.000 claims description 37
- 230000007704 transition Effects 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000498 cooling water Substances 0.000 abstract description 6
- 230000005855 radiation Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000641 cold extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Classifications
-
- 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)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a hydraulic oil heat dissipation device of a hydraulic machine, which has good cooling effect and high cooling efficiency; the main branch pipe has a flow dividing effect, so that hydraulic oil is primarily cooled in the first radiating pipes, cooling water is introduced into the cooling strips by combining water cooling with air cooling, and the fan accelerates the air flow between the first radiating pipes and accelerates the heat loss of the hydraulic oil in the first radiating pipes; a plurality of air channels are formed on the radiating fins by utilizing the plurality of arc-shaped grooves on the radiating fins, so that air penetrates into the arc-shaped grooves, and the radiating efficiency is improved; the cooling device is used for carrying out secondary cooling on the hydraulic oil, the internal and external spiral structures of the second radiating pipe are utilized to prolong the cooling time of the hydraulic oil in the inner pipe, the radiating fins are utilized to accelerate the heat exchange area, and meanwhile, the cooling water in the outer pipe forms turbulent flow, so that the cooling effect is improved; the second radiating pipe is arranged in the box body to form tertiary cooling radiation, and the cooling reliability is greatly improved.
Description
Technical Field
The invention relates to the technical field of hydraulic mechanical equipment, in particular to a hydraulic oil heat dissipation device of a hydraulic machine.
Background
A hydraulic press is a machine for processing various materials using hydrostatic pressure, and is commonly used in pressing processes and press forming processes, such as forging, stamping, cold extrusion, straightening, bending, flanging, sheet drawing, powder metallurgy, press-fitting, and the like. From the invention of the first hydraulic machine in 1795 to the present, the hydraulic machine is improved and innovated for more than 200 years, and the hydraulic machine is widely applied to various industries of national production due to the 'universal' processing technology. With the continuous development of the existing manufacturing technology, the product competition of the manufacturing industry is more and more intense, the market competitiveness of the hydraulic machine must be improved, the temperature of hydraulic oil can rise when the existing hydraulic machine works, and the working performance of the hydraulic machine can be affected after the temperature of the hydraulic oil rises to a certain degree, so that the hydraulic oil needs to be radiated.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a hydraulic oil heat dissipation device of a hydraulic machine, which has the characteristics of high cooling efficiency and sufficient heat exchange.
The technical scheme for solving the problems comprises the following steps: a hydraulic oil heat dissipation device for a hydraulic machine comprises an oil tank, an oil outlet pipe, an oil return pipe, a cooling device, a main branch pipe, a main combination pipe, a first heat dissipation pipe and a water tank;
an oil return pipe is arranged on the upper end face of the oil tank, an oil outlet pipe is arranged on the lower end face of the oil tank, one end of the oil outlet pipe is communicated with the oil tank, the other end of the oil outlet pipe is communicated with the main branch pipe, and two ends of the main branch pipe are plugged; the main branch pipe is provided with a plurality of first radiating pipes, the first radiating pipes are distributed along the Y direction, and the first radiating pipes are communicated with the main branch pipe; one end of the first radiating pipe, which is far away from the main branch pipe, is communicated with the main combination pipe, and two ends of the main combination pipe are blocked; fans are fixed on the main branch pipe and the main combined pipe respectively and are symmetrical about the first radiating pipe;
the cooling strip is arranged on the first radiating pipe and spirally distributed along the central axis of the first radiating pipe, the cooling strip is in a left-handed thread shape, the bottom of the cooling strip is fixed on the first radiating pipe, one end of the cooling strip is provided with a water inlet, the other end of the cooling strip is provided with a water outlet, the water inlet is connected with a water tank through a first pipeline, the first pipeline is provided with a first valve, the water outlet is connected with a reservoir through a second pipeline, and the second pipeline is provided with a second valve;
the first radiating pipe is provided with a plurality of radiating fins which are spirally distributed along the central axis of the first radiating pipe, the radiating fins form a right-handed thread shape, and the cooling strips and the radiating fins which are spirally distributed form a double-spiral structure; the lower end surface of the radiating fin is fixedly connected with the first radiating pipe;
the general tube is provided with a plurality of transition tubes, the transition tubes are distributed along the Y direction, one end of each transition tube is communicated with the general tube, the other end of each transition tube is communicated with the cooling device, and the transition tubes are provided with third valves.
Furthermore, a plurality of arc-shaped grooves are formed in the upper end face of the radiating fin.
Furthermore, the cooling device comprises a box body and a second radiating pipe, wherein the second radiating pipe is positioned in the box body and is of a spiral structure;
the second radiating pipe comprises an inner pipe and an outer pipe, the inner pipe is positioned in the outer pipe, two ends of the inner pipe penetrate through the box body, the inner pipe penetrates through the box body and is sealed, one end of the inner pipe is communicated with the transition pipe, the other end of the inner pipe is communicated with the oil return pipe through a third pipeline, and a fourth valve is arranged on the third pipeline;
two ends of the outer pipe penetrate through the box body and are fixedly connected with the inner pipe into a whole, the joint is sealed, and the outer pipe penetrates through the box body and is sealed; a water filling port is arranged at one end of the outer pipe close to the transition pipe, a water outlet is arranged at one end far away from the transition pipe, the water filling port is connected with the water tank through a fourth pipeline, the water outlet is connected with the water storage tank through a fifth pipeline, a fifth valve is arranged on the fourth pipeline, and a sixth valve is arranged on the fifth pipeline;
the box is hollow structure, and the box up end is equipped with the water inlet, and the terminal surface is equipped with down the mouth of a river under the box, and the water inlet passes through sixth pipeline to be connected with the water tank, and the mouth of a river passes through seventh pipeline to be connected with the cistern down, is equipped with the seventh valve on the sixth pipeline, is equipped with the eighth valve on the seventh pipeline.
Furthermore, a plurality of stirring pieces are arranged on the outer surface of the inner pipe, and the section of each stirring piece is of a U-shaped structure.
Furthermore, the outer surface of the box body is provided with a plurality of heat dissipation strips.
The invention has the following beneficial effects: the invention has good cooling effect and high cooling efficiency; the main branch pipe has a flow dividing effect, so that hydraulic oil is primarily cooled in the first radiating pipes, cooling water is introduced into the cooling strips by combining water cooling with air cooling, and the fan accelerates the air flow between the first radiating pipes and accelerates the heat loss of the hydraulic oil in the first radiating pipes; a plurality of air channels are formed on the radiating fins by utilizing the plurality of arc-shaped grooves on the radiating fins, so that air penetrates into the arc-shaped grooves, and the radiating efficiency is improved; the cooling device is used for carrying out secondary cooling on the hydraulic oil, the internal and external spiral structures of the second radiating pipe are utilized to prolong the cooling time of the hydraulic oil in the inner pipe, the radiating fins are utilized to accelerate the heat exchange area, and meanwhile, the cooling water in the outer pipe forms turbulent flow, so that the cooling effect is improved; the second radiating pipe is arranged in the box body to form tertiary cooling radiation, and the cooling reliability is greatly improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of a first heat dissipation structure according to the present invention.
Fig. 3 is a top view of the heat sink of the present invention.
Fig. 4 is a sectional view of the cooling device of the present invention.
Fig. 5 is a front view of the cooling device of the present invention.
In the figure: 1-an oil tank, 2-an oil return pipe, 3-an oil outlet pipe, 4-a main branch pipe, 5-a first radiating pipe, 6-a main branch pipe, 7-a fan, 8-a cooling strip, 9-a water inlet, 10-a water outlet, 11-a first valve, 12-a second valve, 13-a first pipeline, 14-a second pipeline, 15-a radiating fin, 16-an arc groove, 17-a transition pipe, 18-a third valve, 19-a box body, 20-a second radiating pipe, 21-an inner pipe, 22-an outer pipe, 23-a third pipeline, 24-a fourth valve, 25-a stirring fin, 26-a water filling port, 27-a water outlet, 28-a fourth pipeline, 29-a fifth pipeline, 30-a fifth valve and 31-a sixth valve, 32-water inlet, 33-water outlet, 34-sixth pipeline, 35-seventh pipeline, 36-seventh valve, 37-eighth valve, 39-heat dissipation strip and 40-cooling device.
Detailed Description
The invention is further described with reference to the following drawings and detailed description.
A hydraulic oil heat dissipation device of a hydraulic machine comprises an oil tank 1, an oil outlet pipe 3, an oil return pipe 2, a cooling device 40, a main branch pipe 4, a main combination pipe 6, a first heat dissipation pipe 5 and a water tank;
an oil return pipe 2 is arranged on the upper end face of the oil tank 1, an oil outlet pipe 3 is arranged on the lower end face of the oil tank 1, one end of the oil outlet pipe 3 is communicated with the oil tank 1, the other end of the oil outlet pipe is communicated with a main branch pipe 4, and two ends of the main branch pipe 4 are plugged; the main branch pipe 4 is vertical to the oil outlet pipe 3, a plurality of first radiating pipes 5 are arranged on the main branch pipe 4, the first radiating pipes 5 are distributed along the Y direction, and the first radiating pipes 5 are communicated with the main branch pipe 4; one end of the first radiating pipe 5, which is far away from the main branch pipe 4, is communicated with the main combination pipe 6, and two ends of the main combination pipe 6 are blocked; fans 7 are respectively fixed on the main branch pipe 4 and the main combined pipe 6, and the fans 7 are symmetrical about the first radiating pipe 5;
the cooling strip 8 is arranged on the first radiating pipe 5, the cooling strip 8 is spirally distributed along the central axis of the first radiating pipe 5, the cooling strip 8 is in a left-handed thread shape, the bottom of the cooling strip 8 is fixed on the first radiating pipe 5, one end of the cooling strip 8 is provided with a water inlet 9, the other end of the cooling strip is provided with a water outlet 10, the water inlet 9 is connected with a water tank through a first pipeline 13, the first pipeline 13 is provided with a first valve 11, the water outlet 10 is connected with a reservoir through a second pipeline 14, and the second pipeline 14 is provided with a second valve 12;
a plurality of radiating fins 15 are arranged on the first radiating pipe 5, the radiating fins 15 are spirally distributed along the central axis of the first radiating pipe 5, the radiating fins 15 form a right-handed thread shape, and the cooling strips 8 and the radiating fins 15 which are spirally distributed form a double-spiral structure; the lower end surface of the radiating fin 15 is fixedly connected with the first radiating pipe 5, and the upper end surface of the radiating fin 15 is provided with a plurality of arc-shaped grooves 16;
the main branch pipe 4 has a flow dividing effect, so that hydraulic oil is primarily cooled in the first radiating pipes 5, cooling water is introduced into the cooling strips 8 by combining water cooling with air cooling, and the fan 7 accelerates the air flow between the first radiating pipes 5 and accelerates the heat loss of the hydraulic oil in the first radiating pipes 5; a plurality of air channels are formed on the radiating fins 15 by utilizing the plurality of arc-shaped grooves 16 on the radiating fins 15, so that air penetrates into the arc-shaped grooves 16, and the radiating efficiency is improved;
a plurality of transition pipes 17 are arranged on the general pipe 6, the transition pipes 17 are distributed along the Y direction, one end of each transition pipe 17 is communicated with the general pipe 6, the other end of each transition pipe 17 is communicated with the cooling device 40, and a third valve 18 is arranged on each transition pipe 17;
the cooling device 40 comprises a box body 19 and a second radiating pipe 20, wherein the second radiating pipe 20 is positioned in the box body 19, and the second radiating pipe 20 is of a spiral structure;
the second radiating pipe 20 comprises an inner pipe 21 and an outer pipe 22, the inner pipe 21 is positioned in the outer pipe 22, two ends of the inner pipe 21 penetrate through the box body 19, the inner pipe 21 penetrates through the box body 19 to be sealed, one end of the inner pipe 21 is communicated with the transition pipe 17, the other end of the inner pipe is communicated with the oil return pipe 2 through a third pipeline 23, and a fourth valve 24 is arranged on the third pipeline 23; a plurality of stirring sheets 25 are arranged on the outer surface of the inner pipe 21, and the section of each stirring sheet 25 is of a U-shaped structure;
two ends of the outer pipe 22 penetrate through the box body 19 and are fixedly connected with the inner pipe 21 into a whole, the connection position is sealed, and the position where the outer pipe 22 penetrates through the box body 19 is sealed; a water filling opening 26 is formed in one end, close to the transition pipe 17, of the outer pipe 22, a water discharging opening 27 is formed in one end, far away from the transition pipe 17, of the outer pipe 22, the water filling opening 26 is connected with the water tank through a fourth pipeline 28, the water discharging opening 27 is connected with the water storage pool through a fifth pipeline 29, a fifth valve 30 is arranged on the fourth pipeline 28, and a sixth valve 31 is arranged on the fifth pipeline 29;
the box body 19 is of a hollow structure, the upper end face of the box body 19 is provided with a water inlet 32, the lower end face of the box body 19 is provided with a water outlet 33, the water inlet 32 is connected with the water tank through a sixth pipeline 34, the water outlet 33 is connected with a reservoir through a seventh pipeline 35, the sixth pipeline 34 is provided with a seventh valve 36, and the seventh pipeline 35 is provided with an eighth valve 37; a plurality of heat dissipation strips 39 are arranged on the outer surface of the box body 19;
the cooling device 40 cools the hydraulic oil for the second time, the internal and external spiral structures of the second radiating pipe 20 are utilized to prolong the cooling time of the hydraulic oil in the inner pipe 21, the radiating fins 15 are utilized to accelerate the heat exchange area, and meanwhile, the cooling water in the outer pipe 22 forms turbulent flow, so that the cooling effect is improved; the second radiating pipe 20 is arranged in the box body 19 to form three times of cooling radiation, so that the cooling reliability is greatly improved.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (5)
1. The hydraulic oil heat dissipation device of the hydraulic machine is characterized by comprising an oil tank, an oil outlet pipe, an oil return pipe, a cooling device, a main branch pipe, a main combination pipe, a first heat dissipation pipe and a water tank;
an oil return pipe is arranged on the upper end face of the oil tank, an oil outlet pipe is arranged on the lower end face of the oil tank, one end of the oil outlet pipe is communicated with the oil tank, the other end of the oil outlet pipe is communicated with the main branch pipe, and two ends of the main branch pipe are plugged; the main branch pipe is provided with a plurality of first radiating pipes, the first radiating pipes are distributed along the Y direction, and the first radiating pipes are communicated with the main branch pipe; one end of the first radiating pipe, which is far away from the main branch pipe, is communicated with the main combination pipe, and two ends of the main combination pipe are blocked; fans are fixed on the main branch pipe and the main combined pipe respectively and are symmetrical about the first radiating pipe;
the cooling strip is arranged on the first radiating pipe and spirally distributed along the central axis of the first radiating pipe, the cooling strip is in a left-handed thread shape, the bottom of the cooling strip is fixed on the first radiating pipe, one end of the cooling strip is provided with a water inlet, the other end of the cooling strip is provided with a water outlet, the water inlet is connected with a water tank through a first pipeline, the first pipeline is provided with a first valve, the water outlet is connected with a reservoir through a second pipeline, and the second pipeline is provided with a second valve;
the first radiating pipe is provided with a plurality of radiating fins which are spirally distributed along the central axis of the first radiating pipe, the radiating fins form a right-handed thread shape, and the cooling strips and the radiating fins which are spirally distributed form a double-spiral structure; the lower end surface of the radiating fin is fixedly connected with the first radiating pipe;
the general tube is provided with a plurality of transition tubes, the transition tubes are distributed along the Y direction, one end of each transition tube is communicated with the general tube, the other end of each transition tube is communicated with the cooling device, and the transition tubes are provided with third valves.
2. The hydraulic oil heat sink of claim 1, wherein the upper end surface of the heat sink has a plurality of arcuate grooves.
3. The hydraulic oil heat dissipation device of claim 2, wherein the cooling device comprises a tank body and a second heat dissipation pipe, the second heat dissipation pipe is located in the tank body, and the second heat dissipation pipe is of a spiral structure;
the second radiating pipe comprises an inner pipe and an outer pipe, the inner pipe is positioned in the outer pipe, two ends of the inner pipe penetrate through the box body, the inner pipe penetrates through the box body and is sealed, one end of the inner pipe is communicated with the transition pipe, the other end of the inner pipe is communicated with the oil return pipe through a third pipeline, and a fourth valve is arranged on the third pipeline;
two ends of the outer pipe penetrate through the box body and are fixedly connected with the inner pipe into a whole, the joint is sealed, and the outer pipe penetrates through the box body and is sealed; a water filling port is arranged at one end of the outer pipe close to the transition pipe, a water outlet is arranged at one end far away from the transition pipe, the water filling port is connected with the water tank through a fourth pipeline, the water outlet is connected with the water storage tank through a fifth pipeline, a fifth valve is arranged on the fourth pipeline, and a sixth valve is arranged on the fifth pipeline;
the box is hollow structure, and the box up end is equipped with the water inlet, and the terminal surface is equipped with down the mouth of a river under the box, and the water inlet passes through sixth pipeline to be connected with the water tank, and the mouth of a river passes through seventh pipeline to be connected with the cistern down, is equipped with the seventh valve on the sixth pipeline, is equipped with the eighth valve on the seventh pipeline.
4. The hydraulic oil heat dissipation device of claim 3, wherein the outer surface of the inner tube is provided with a plurality of stirring fins, and the section of each stirring fin is of a U-shaped structure.
5. The hydraulic oil heat dissipation device of a hydraulic machine as recited in claim 3 or 4, wherein the outer surface of the box body is provided with a plurality of heat dissipation strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811367498.XA CN111207134A (en) | 2018-11-16 | 2018-11-16 | Hydraulic oil heat dissipation device of hydraulic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811367498.XA CN111207134A (en) | 2018-11-16 | 2018-11-16 | Hydraulic oil heat dissipation device of hydraulic machine |
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| Publication Number | Publication Date |
|---|---|
| CN111207134A true CN111207134A (en) | 2020-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811367498.XA Pending CN111207134A (en) | 2018-11-16 | 2018-11-16 | Hydraulic oil heat dissipation device of hydraulic machine |
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| Country | Link |
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| CN (1) | CN111207134A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187440A (en) * | 2021-06-08 | 2021-07-30 | 中国地质大学（北京） | Thermal mining equipment for deep coal bed gas |
| CN114870538A (en) * | 2022-07-12 | 2022-08-09 | 山东浦创流体技术有限公司 | Silicon carbide ceramic membrane filter for gas-solid separation |
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| CN107322979A (en) * | 2016-04-28 | 2017-11-07 | 天津市天二锻压机床有限公司 | A kind of oil tank of hydraulic machine |
| CN107664441A (en) * | 2017-08-15 | 2018-02-06 | 李少帅 | A kind of petrochemical plant pipeline cooling device |
| CN207892935U (en) * | 2018-01-31 | 2018-09-21 | 青岛晨明海洋装备技术有限公司 | A kind of marine minitype hydraulic device testboard air cooled chiller |
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2018
- 2018-11-16 CN CN201811367498.XA patent/CN111207134A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103334987A (en) * | 2013-06-26 | 2013-10-02 | 苏州长发塑胶有限公司 | Hydraulic oil temperature controlling device of injection molding machine |
| CN104235334A (en) * | 2013-10-30 | 2014-12-24 | 莱州市盛乐机械有限公司 | Air-cooling and water-cooling integrated finned tubular radiator for lubricating oil of gear box |
| CN204458578U (en) * | 2015-01-05 | 2015-07-08 | 丁丹巧 | Air heat radiation loader hydraulic fuel tank |
| CN107322979A (en) * | 2016-04-28 | 2017-11-07 | 天津市天二锻压机床有限公司 | A kind of oil tank of hydraulic machine |
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| CN113187440A (en) * | 2021-06-08 | 2021-07-30 | 中国地质大学（北京） | Thermal mining equipment for deep coal bed gas |
| CN114870538A (en) * | 2022-07-12 | 2022-08-09 | 山东浦创流体技术有限公司 | Silicon carbide ceramic membrane filter for gas-solid separation |
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Application publication date: 20200529 |