CN113586933A - Speed reducer is deironing cooling system for lubricating oil - Google Patents
Speed reducer is deironing cooling system for lubricating oil Download PDFInfo
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- CN113586933A CN113586933A CN202110869084.2A CN202110869084A CN113586933A CN 113586933 A CN113586933 A CN 113586933A CN 202110869084 A CN202110869084 A CN 202110869084A CN 113586933 A CN113586933 A CN 113586933A
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- cooling
- iron
- cavity
- shell
- lubricating oil
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Classifications
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- 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
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/02—Arrangements for conditioning of lubricants in the lubricating system by cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
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- 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
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/005—Arrangements for conditioning of lubricants in the lubricating system by evaporating or purifying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/046—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Transformer Cooling (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses an iron-removing and cooling system for lubricating oil of a speed reducer, which comprises a cooling iron-removing device and a pump, wherein the cooling iron-removing device and the pump are sequentially connected with the speed reducer and form a closed loop; the cooling deironing device comprises a shell, a magnetic bar and a capsule heat pipe; an iron removal cavity is arranged in the shell, and a magnetic rod for removing iron impurities in the lubricating oil is arranged in the iron removal cavity; the shell is externally provided with a jacket, a cooling cavity is formed between the jacket and the shell, a circulating cooling medium is arranged in the cooling cavity, and the side wall of the shell is provided with a plurality of capsule heat pipes communicated with the cooling cavity and the iron removal cavity. The invention can realize synchronous cooling in the iron removing process, greatly reduces the pumping load and has high cooling efficiency.
Description
Technical Field
The invention belongs to the technical field of deironing and cooling of transmission systems, and particularly relates to a deironing and cooling system for lubricating oil of a speed reducer.
Background
The lubricating oil in the speed reducer in the engineering machinery can prevent tooth surface abrasion, scratch, sintering and the like under normal work. But the speed reducer leads to the temperature in the speed reducer to be higher in the course of the work because the load is changeable, operating mode condition often surpasss the design requirement in the use, and the high temperature leads to lubricating oil viscosity to reduce, and the sealing member became invalid, appeared phenomenons such as oil leak, and more serious can aggravate gear wear and influence the speed reducer life-span. In addition, some iron impurities and other impurities generated in the running process of the speed reducer can cause the gear of the speed reducer to fail and even collapse to different degrees.
The problem of high temperature of lubricating oil is solved by using a heat exchanger in the prior art, and iron impurities in a speed reducer are removed by using a magnet adsorption mode. But the lubricating oil must be continuously passed through the magnetic device and the heat exchanger by pumping, which inevitably results in a high design head of the pump and an excessive pumping load.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides an iron removal and cooling system for lubricating oil of a speed reducer, which realizes synchronous cooling in the iron removal process, greatly reduces the pumping load and has high cooling efficiency.
The invention provides the following technical scheme:
an iron-removing and cooling system for lubricating oil of a speed reducer comprises a cooling iron-removing device and a pump which are sequentially connected with the speed reducer and form a closed loop;
the cooling deironing device comprises a shell, a magnetic bar and a capsule heat pipe;
an iron removal cavity is arranged in the shell, and a magnetic rod for removing iron impurities in the lubricating oil is arranged in the iron removal cavity;
the shell is externally provided with a jacket, a cooling cavity is formed between the jacket and the shell, a circulating cooling medium is arranged in the cooling cavity, and the side wall of the shell is provided with a plurality of capsule heat pipes communicated with the cooling cavity and the iron removal cavity.
Furthermore, one end of the capsule heat pipe is positioned in the iron removing cavity, and the other end of the capsule heat pipe is positioned in the cooling cavity; the capsule heat pipe is internally provided with refrigerating fluid, and the refrigerating fluid is cooled between an iron removal cavity and a cooling cavity communicated with the capsule heat pipe through physical form conversion.
Further, the capsule heat pipe includes consecutive evaporation zone, interlude and condensation segment, the evaporation zone is arranged in the deironing chamber, the condensation segment is arranged in the cooling chamber, interlude and casing lateral wall sealing connection.
Furthermore, the capsule heat pipes are distributed in a staggered mode from top to bottom along the side wall of the shell, and evaporation sections of the capsule heat pipes are connected in sequence from top to bottom through guide plates and are in a spiral belt shape.
Furthermore, the capsule heat pipe comprises a metal layer and a capillary structure layer arranged in the metal layer, wherein the capillary structure layer is filled with refrigerating fluid, and the refrigerating fluid flows back under the action of capillary force.
Furthermore, the outer surface of the metal layer positioned in the cooling cavity is of a corrugated structure.
Further, still include the controller, the bar magnet bottom is equipped with the weight sensor who links to each other with the controller, the controller can judge whether excessive according to weight sensor's detected value iron impurity.
Furthermore, a shielding sleeve for shielding the magnetic field generated by the magnetic bar is arranged outside the weight sensor.
Further, be equipped with inlet and liquid outlet on the casing, the height that highly is higher than the inlet of liquid outlet, first pressure sensor is installed to cooling deironing device's inlet department, and liquid outlet department installs second pressure sensor, first pressure sensor, second pressure sensor and pump link to each other with the controller respectively.
Further, install the filter between cooling deironing device and the pump, the exit of filter is installed third pressure sensor, third pressure sensor links to each other with the controller.
Compared with the prior art, the invention has the beneficial effects that:
(1) the cooling and iron removing device is provided, an iron removing cavity is arranged in the shell, when lubricating oil flows through the iron removing cavity, iron impurities in the lubricating oil are adsorbed by the magnetic rod, meanwhile, the jacket is arranged outside the shell, a cooling cavity is formed between the jacket and the shell, and after circulating cooling medium is injected into the cooling cavity, the lubricating oil in the iron removing cavity can be cooled, namely, the synchronous cooling in the iron removing process is realized, the pumping load is greatly reduced, and the rated power of the pump is reduced;
(2) the side wall of the shell is provided with the plurality of capsule heat pipes communicated with the cooling cavity and the iron removing cavity, and the capsule heat pipes can accelerate the heat exchange efficiency of the iron removing cavity and the cooling cavity, so that the lubricating oil is quickly cooled, the problem of overhigh temperature of the lubricating oil in the speed reducer is solved, and the service life of the speed reducer is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a cooling deironing device;
FIG. 3 is a schematic diagram of a capsule heat pipe;
FIG. 4 is a schematic view of a baffle configuration;
labeled as: 1-a speed reducer; 2-a first pressure sensor; 3-cooling and deironing device; 4-a second pressure sensor; 5-a filter; 6-a third pressure sensor; 7-a pump; 3-1-liquid inlet; 3-2-a liquid outlet; 3-3-jacket; 3-4-a cooling chamber; 3-5-capsule heat pipe; 3-6-shell; 3-7-magnetic rod; 3-8-base; 3-9-a baffle; 3-10-iron removal cavity; 3-5-1-metal layer; 3-5-2-capillary structure layer; 3-5-3-corrugated structure; 3-5-4-a refrigerant fluid; 3-5-5-evaporation section; 3-5-6-middle section; 3-5-7-condensation section.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
It should be noted that in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 and 2, the present embodiment provides an iron removal and temperature reduction system for reducer lubricating oil, which includes a temperature reduction and iron removal device 3 and a pump 7, which are sequentially connected to a reducer 1 and form a closed loop; the cooling deironing device 3 comprises a shell, magnetic rods 3-7 and a capsule heat pipe 3-5; a deironing cavity 3-10 is arranged in the shell, and a magnetic rod 3-7 for removing iron impurities in the lubricating oil is arranged in the deironing cavity 3-10; the shell is externally provided with a jacket 3-3, a cooling cavity 3-4 is formed between the jacket 3-3 and the shell, a circulating cooling medium is communicated in the cooling cavity 3-4, the circulating cooling medium can be low-temperature water or ice water or cold oil, and the side wall of the shell is provided with a plurality of capsule heat pipes 3-5 which are communicated with the cooling cavity 3-4 and the iron removal cavity 3-10.
As shown in figure 2, the shell comprises a shell 3-6 and a base 3-8, the shell 3-6 is hollow, the shell 3-6 is connected with the base 3-8 to form an iron removing cavity 3-10, a liquid inlet 3-1 and a liquid outlet 3-2 are arranged on the shell 3-6, and the height of the liquid outlet 3-2 is higher than that of the liquid inlet 3-1.
As shown in FIG. 3, the capsule heat pipe 3-5 comprises an evaporation section 3-5-5, a middle section 3-5-6 and a condensation section 3-5-7 which are connected in sequence; the evaporation section 3-5-5 is positioned in the iron removal cavity 3-10 and is used for absorbing the heat of lubricating oil in the iron removal cavity 3-10 and transferring the part of heat to the condensation section 3-5-7 through the capsule heat pipe 3-5, and the evaporation section 3-5-5 can increase the collision times of iron impurities in the flowing process of the iron removal cavity 3-10 and improve the adsorption efficiency of the iron impurities; the condensing section 3-5-7 is positioned in the cooling cavity 3-4, and the condensing section 3-5-7 is directly contacted with the circulating cooling medium in the cooling cavity 3-4 in a convection mode; the middle section 3-5-6 is hermetically connected with the side wall of the shell to prevent the iron removing cavity 3-10 and the cooling cavity 3-4 from being communicated through an assembly gap.
As shown in fig. 3, the capsule heat pipe 3-5 includes a metal layer 3-5-1 and a capillary structure layer 3-5-2 disposed in the metal layer 3-5-1, the capillary structure layer 3-5-2 is filled with refrigerant liquid 3-5-4, and the refrigerant liquid 3-5-4 flows back by the action of capillary force. The metal layer 3-5-1 can be welded with the shell 3-6, the capillary structure layer 3-5-2 and the metal layer 3-5-1 are fixed in an embedding mode, the refrigerant liquid 3-5-4 flows back under the action of capillary force, and the refrigerant liquid 3-5-4 is cooled between the iron removal cavity 3-10 and the cooling cavity 3-4 which are contacted with the capsule heat pipe 3-5 through physical form conversion.
The working principle of the capsule heat pipe is as follows: the capsule heat pipe 3-5 is a wick type heat pipe, the refrigerant liquid 3-5-4 flows back through capillary action, and the wick type heat pipe can be used without considering the influence of the gravity of the refrigerant liquid 3-5-4, so that the capsule heat pipe 3-5 is easier to arrange. The refrigerant liquid 3-5-4 is dichloromethane, the purpose of using dichloromethane is to consider that the boiling point of the liquid is 40 ℃, when the temperature of the iron removal cavity 3-10 exceeds 40 ℃, the refrigerant liquid 3-5-4 evaporates to take away heat, the vaporized refrigerant liquid 3-5-4 is liquefied at the condensation section 3-5-7 of the capsule heat pipe to release heat, and the temperature of the iron removal cavity 3-10 is ensured to be kept stable.
Because the iron impurities in the cooling deironing device are more and more in the use process, the efficiency and the heat exchange efficiency of deironing can be influenced, and the iron impurities can be caused to enter the pump 7 to influence the service life of the pump 7. As shown in fig. 1, the present embodiment further includes a controller and a weight sensor, the magnetic rod 3-7 is installed on the base 3-8, the weight sensor connected to the controller is disposed at the bottom of the magnetic rod 3-7, the controller can determine whether the iron impurity is excessive according to a detection value of the weight sensor, and when the detection value of the weight sensor exceeds a set value, the controller sends an alarm signal. And a shielding sleeve for shielding the magnetic field generated by the magnetic rod is arranged outside the weight sensor.
Although a shielding sleeve is additionally arranged outside the weight sensor, the risk of failure exists in the magnetic field of the magnetic rod 3-7 for a long time, in order to prevent the weight sensor from failing, as shown in fig. 1, a first pressure sensor 2 is installed at a liquid inlet 3-1 of the cooling deironing device, a second pressure sensor 4 is installed at a liquid outlet 3-2, the first pressure sensor 2, the second pressure sensor 4 and the pump 7 are respectively connected with a controller, the controller judges whether the deironing cavity 3-10 is blocked or not according to the pressure difference between the liquid inlet 3-1 and the liquid outlet 3-2, and when the pressure difference between the liquid inlet 3-1 and the liquid outlet 3-2 exceeds a set value, the controller sends an alarm signal.
As shown in fig. 1, a filter 5 is installed between the cooling and de-ironing device 3 and the pump 7 for filtering non-ferrous impurities, so as to further protect the pump 7. And a third pressure sensor 6 is arranged at the outlet of the filter 5, the third pressure sensor 6 is connected with a controller, and the controller judges whether the filter 5 is blocked or not according to the pressure difference between the third pressure sensor 6 and the second pressure sensor 4.
Example 2
As shown in fig. 3 and 4, in the iron removal and temperature reduction system for lubricating oil of a speed reducer provided in this embodiment, the outer surface of the metal layer 3-5-1 of the capsule heat pipe 3-5 located in the cooling cavity 3-4 is of a corrugated structure 3-5-3, which can increase the contact area and improve the heat dissipation efficiency. The capsule heat pipes 3-5 are distributed in a staggered manner from top to bottom along the side wall of the shell, and the evaporation sections 3-5-5 of the capsule heat pipes are connected in sequence from top to bottom through the guide plates 3-9 and are in a spiral belt shape. The guide plates 3-9 have two functions, on one hand, the guide plates play a role in guiding the lubricating oil to be close to the magnetic rods 3-7, and the adsorption efficiency of iron impurities is improved; on the other hand, the collision frequency of the iron impurities in the flowing process of the iron removing cavities 3-10 can be increased, the movement direction of the iron impurities can be changed by collision, and the adsorption efficiency of the iron impurities can be improved.
The cooling deironing device realizes synchronous cooling in the deironing process, greatly reduces the load of pumping, reduces the rated power of the pump, and prolongs the service life of the pump and the speed reducer; the capsule heat pipe can accelerate the heat exchange efficiency of the iron removal cavity and the cooling cavity, so that the lubricating oil is quickly cooled, the problem that the temperature of the lubricating oil in the speed reducer is too high is solved, and the service life of the speed reducer is prolonged.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An iron-removing and cooling system for lubricating oil of a speed reducer is characterized by comprising a cooling iron-removing device and a pump which are sequentially connected with the speed reducer and form a closed loop;
the cooling deironing device comprises a shell, a magnetic bar and a capsule heat pipe;
an iron removal cavity is arranged in the shell, and a magnetic rod for removing iron impurities in the lubricating oil is arranged in the iron removal cavity;
the shell is externally provided with a jacket, a cooling cavity is formed between the jacket and the shell, a circulating cooling medium is arranged in the cooling cavity, and the side wall of the shell is provided with a plurality of capsule heat pipes communicated with the cooling cavity and the iron removal cavity.
2. The system for removing iron and cooling speed reducer lubricating oil according to claim 1, wherein one end of the capsule heat pipe is located in the iron removal cavity, and the other end of the capsule heat pipe is located in the cooling cavity; the capsule heat pipe is internally provided with refrigerating fluid, and the refrigerating fluid is cooled between an iron removal cavity and a cooling cavity communicated with the capsule heat pipe through physical form conversion.
3. The system of claim 2, wherein the capsule heat pipe comprises an evaporation section, a middle section and a condensation section, the evaporation section is located in the iron removal cavity, the condensation section is located in the cooling cavity, and the middle section is hermetically connected with the side wall of the shell.
4. The system for removing iron and cooling lubricating oil of the speed reducer of claim 3, wherein the capsule heat pipes are distributed in a staggered manner from top to bottom along the side wall of the shell, and evaporation sections of the capsule heat pipes are sequentially connected from top to bottom through guide plates and are in a spiral belt shape.
5. The system for removing iron and cooling lubricating oil of the speed reducer according to claim 2, wherein the capsule heat pipe comprises a metal layer and a capillary structure layer arranged in the metal layer, the capillary structure layer is filled with a refrigerant liquid, and the refrigerant liquid flows back under the action of capillary force.
6. The system of claim 5, wherein the outer surface of the metal layer located in the cooling cavity is corrugated.
7. The system for removing iron and cooling lubricating oil of the speed reducer according to claim 1, further comprising a controller, wherein a weight sensor connected with the controller is arranged at the bottom of the magnetic rod, and the controller can judge whether the iron impurities are excessive according to a detection value of the weight sensor.
8. The system for removing iron and cooling lubricating oil of the speed reducer according to claim 7, wherein a shielding sleeve for shielding a magnetic field generated by the magnetic rod is mounted outside the weight sensor.
9. The system of claim 7, wherein the housing is provided with a liquid inlet and a liquid outlet, the liquid outlet is higher than the liquid inlet, a first pressure sensor is mounted at the liquid inlet of the cooling and deironing device, a second pressure sensor is mounted at the liquid outlet, and the first pressure sensor, the second pressure sensor and the pump are respectively connected to the controller.
10. The system for removing iron and cooling speed reducer lubricating oil according to claim 9, wherein a filter is installed between the cooling iron removal device and the pump, a third pressure sensor is installed at an outlet of the filter, and the third pressure sensor is connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110869084.2A CN113586933B (en) | 2021-07-30 | 2021-07-30 | Speed reducer is deironing cooling system for lubricating oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110869084.2A CN113586933B (en) | 2021-07-30 | 2021-07-30 | Speed reducer is deironing cooling system for lubricating oil |
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| Publication Number | Publication Date |
|---|---|
| CN113586933A true CN113586933A (en) | 2021-11-02 |
| CN113586933B CN113586933B (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110869084.2A Active CN113586933B (en) | 2021-07-30 | 2021-07-30 | Speed reducer is deironing cooling system for lubricating oil |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060124279A1 (en) * | 2004-11-15 | 2006-06-15 | Huate Electric-Magnetic Equipment Co., Ltd. | Evaporative cooling electromagnetic separator |
| CN203322704U (en) * | 2013-07-03 | 2013-12-04 | 湖北三宁化工股份有限公司 | Automatic circulating and heat reduction system for lubricating oil of speed reducer |
| CN209476439U (en) * | 2018-12-21 | 2019-10-11 | 浙江极盾新材料科技有限公司 | A kind of cooling deironing apparatus suitable for ball milling dispersion process |
-
2021
- 2021-07-30 CN CN202110869084.2A patent/CN113586933B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060124279A1 (en) * | 2004-11-15 | 2006-06-15 | Huate Electric-Magnetic Equipment Co., Ltd. | Evaporative cooling electromagnetic separator |
| CN203322704U (en) * | 2013-07-03 | 2013-12-04 | 湖北三宁化工股份有限公司 | Automatic circulating and heat reduction system for lubricating oil of speed reducer |
| CN209476439U (en) * | 2018-12-21 | 2019-10-11 | 浙江极盾新材料科技有限公司 | A kind of cooling deironing apparatus suitable for ball milling dispersion process |
Non-Patent Citations (1)
| Title |
|---|
| 马明金等: "《汽车电学知识与传感技术》", 31 January 2017, pages: 181 * |
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