CN211260318U - Heating system for engineering machinery lubricating oil - Google Patents
Heating system for engineering machinery lubricating oil Download PDFInfo
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- CN211260318U CN211260318U CN201921878964.0U CN201921878964U CN211260318U CN 211260318 U CN211260318 U CN 211260318U CN 201921878964 U CN201921878964 U CN 201921878964U CN 211260318 U CN211260318 U CN 211260318U
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Abstract
The utility model relates to a lubricating system field, concretely relates to a heating system for engineering machine tool lubricating oil, its characterized in that: the device comprises a reversing valve, a heating overflow valve (7), a working overflow valve, an engineering unit and an oil supply assembly associated with the engineering unit. The utility model adds a group of reversing valves and a set of heating overflow valve in the middle of the front-end oil supply system for filling lubricating oil into the engineering unit, and utilizes the flow resistance generated by the overflow valve during throttling to convert into heat energy to heat the lubricating oil, the heat conduction is uniform in the heating process, and the oil is not easy to carbonize; and through the switching of switching-over valve, expand the single oil supply system of equipment into the multi-functional system that both can supply oil and can heat. The utility model discloses both can save the input cost, can guarantee the oil quality after the heating again and avoid the oil of heating in-process to easily burn the safe risk.
Description
Technical Field
The utility model relates to a lubricating system field, concretely relates to a heating system for engineering machine tool lubricating oil.
Background
In engineering machinery, thin oil lubrication is often adopted for cooling and lubricating high-speed gear transmission or large-load bearing transmission, and particularly lubricating oil is often used for infiltration or oil throwing lubrication and heat dissipation in a mobile crushing and screening workstation for field operation. However, in a low temperature state, if the equipment is not operated or is in standby for too long, the viscosity of the lubricating oil is increased, which increases the difficulty of soaking or throwing the oil, and is very unfavorable for cooling and lubricating the bearing or the gear. At present, an electric heater is mainly used for heating lubricating oil at low temperature or a heat exchanger is mainly used for heating lubricating oil, and due to uneven heat conduction, the lubricating oil on the periphery of the pipe wall of a heating pipe is easy to carbonize to influence the oil quality and the service life; and there is a safety risk of oil flammability if the temperature control is not proper; meanwhile, the existing heating mode needs to be added with heating equipment, so that the investment cost is additionally increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model discloses a heating system for engineering machine tool lubricating oil. The lubricating oil heating system is characterized in that a group of reversing valves and a set of heating overflow valves are added in the middle of a front-end oil supply system for filling lubricating oil into an engineering unit, the flow resistance generated by throttling of the overflow valves is converted into heat energy to heat the lubricating oil, heat conduction is uniform in the heating process, and the oil is not easy to carbonize; and through the switching of switching-over valve, expand the single oil supply system of equipment into the multi-functional system that both can supply oil and can heat. The utility model discloses both can save the input cost, can guarantee the oil quality after the heating again and avoid the oil of heating in-process to easily burn the safe risk.
In order to achieve the above object, the utility model adopts the following technical scheme:
a heating system for engineering machinery lubricating oil comprises an oil supply pump, a power machine, an oil tank, an engineering machine set and a pipe assembly, and is characterized in that: the oil supply system is characterized by further comprising a reversing valve, a working overflow valve and a heating overflow valve, wherein the reversing valve is provided with an inlet and two outlets, the inlet of the reversing valve is connected with the outlet of the oil supply pump in series, the two outlets are respectively connected with the input port of a lubricating oil path of the engineering unit and the inlet of the heating overflow valve in series, and the working overflow valve is connected with the engineering unit in parallel and in series.
The reversing valve is preferably of a manual two-position three-way type, one inlet is set as a port P, and two outlets are respectively set as a port A and a port B. The P port is connected with the outlet of the oil supply pump in series, the A port is connected with the input port of the lubricating oil path of the engineering unit in series, the B port is connected with the inlet of the heating overflow valve in series, and all the series connections are connected by the oil pipe and the pipe joint of the pipe assembly.
The working overflow valve and the heating overflow valve are preferably of a direct type, and the pressure can be adjusted manually.
The power machine is connected with the oil supply pump shaft, and the power machine drives the oil supply pump to work.
The input end of the oil supply pump, the output end of the heating overflow valve, the output end of the working overflow valve and the output end of the lubricating oil way of the engineering unit are all connected into an oil tank.
According to the above description, the utility model provides a pair of a heating system for engineering machine tool lubricating oil increases a set of switching-over valve and one set of heating overflow valve in the middle of the front end oil feeding system of engineering unit filling lubricating oil, and the flow resistance that produces when utilizing the overflow valve throttle turns into heat energy and heats lubricating oil. The utility model discloses both can save the input cost, can guarantee the oil quality after the heating again and avoid the oil of heating in-process to easily burn the safe risk. The utility model relates to a rationally, simple structure, low cost, facilitate promotion.
Drawings
FIG. 1 is a working principle diagram of a heating system for engineering machinery lubricating oil
Reference numerals:
1, an oil supply pump; 2, a power machine; 3, engineering units; 4, a pipe assembly; 5 a reversing valve; 6 working overflow valve; 7 heating the overflow valve; and 8, an oil tank.
The port P is an inlet of the reversing valve; the port A and the port B are two outlets of the reversing valve.
Detailed Description
The present invention will be further described with reference to the following detailed description.
As shown in fig. 1, the heating system for engineering machinery lubricating oil of the present invention comprises a reversing valve 5, a work overflow valve 6, a heating overflow valve 7, a fuel feed pump 1, a fuel tank 8, a pipe assembly 4, and a power machine 2 and an engineering unit 3 associated therewith. An inlet P port of the reversing valve 5 is connected with an outlet of the oil supply pump 1 in series, and two outlets A and B of the reversing valve 5 are respectively connected with an input port of a lubricating oil path of the engineering unit 3 and an inlet of the heating overflow valve 7 in series; the working overflow valve 6 is connected in parallel and in series with the engineering unit 3; all series connections are connected by oil pipes and pipe joints of the pipe assembly 4; the input end of the oil supply pump 1, the output end of the heating overflow valve 7, the output end of the working overflow valve 6 and the output end of a lubricating oil way of the engineering unit 3 are all connected into an oil tank 8; the power machine 2 is connected with the oil supply pump 1 through a shaft.
The application method of the heating system for the engineering machinery lubricating oil is as follows:
the respective hydraulic and power machines 2 are assembled in the manner of connection according to fig. 1. Starting the power machine 2 and the engineering machine set 3.
When the oil temperature is low and needs to be heated, the handle of the reversing valve 5 is manually pulled, the valve core is pushed to connect the port P with the port B, the port A is closed, the heating overflow valve 7 starts to work and heats lubricating oil, and the heated lubricating oil flows back to the oil tank 8.
After the oil temperature is heated, a handle of the reversing valve 5 is manually pushed, a valve core is pushed to connect the port P with the port A, the port B is closed, the heating overflow valve 7 stops heating, and lubricating oil enters the engineering unit 3 to start lubricating; if the lubricating oil of the engineering unit 3 reaches the set pressure and does not need to be injected any more, the lubricating oil flows back to the oil tank 8 from the work overflow valve 6 of the bypass.
The heating rate is adjusted by adjusting the set pressure of the heating relief valve 7.
The utility model discloses the flow resistance that produces when utilizing the overflow valve throttle turns into heat energy and heats lubricating oil, both can save the input cost, can guarantee the oil quality after the heating again and avoid the safety risk that the oil in the heating process is flammable.
The above is only a specific embodiment of the present invention, but the design concept of the present invention is not limited to this, and the present invention is to be modified immaterial by this concept, and all should belong to the act of infringing the protection scope of the present invention.
Claims (5)
1. The utility model provides a heating system for engineering machine tool lubricating oil, includes fuel feed pump (1), engine (2), oil tank (8), engineering unit (3) and pipe assembly (4), its characterized in that: the oil supply system is characterized by further comprising a reversing valve (5), a working overflow valve (6) and a heating overflow valve (7), wherein the reversing valve (5) is provided with an inlet and two outlets, the inlet of the reversing valve is connected with the outlet of the oil supply pump (1) in series, the two outlets are respectively connected with the lubricating oil path input port of the engineering unit (3) and the inlet of the heating overflow valve (7) in series, and the working overflow valve (6) is connected with the engineering unit (3) in parallel and in series.
2. The heating system for lubricating oil of construction machinery according to claim 1, wherein: the reversing valve (5) is of a manual two-position three-way type, one inlet is set as a P port, two outlets are respectively set as an A port and a B port, the P port is connected with an outlet of the oil supply pump (1) in series, the A port is connected with an input port of a lubricating oil path of the engineering unit (3) in series, the B port is connected with an inlet of the heating overflow valve (7) in series, and all series connections are connected through an oil pipe and a pipe joint of the pipe assembly (4).
3. The heating system for lubricating oil of construction machinery according to claim 1, wherein: the working overflow valve (6) and the heating overflow valve (7) are both of a direct-acting type, and the pressure can be adjusted manually.
4. The heating system for lubricating oil of construction machinery according to claim 1, wherein: the power machine (2) is connected with the oil supply pump (1) in a shaft mode, and the power machine (2) drives the oil supply pump (1) to work.
5. The heating system for lubricating oil of construction machinery according to claim 1, wherein: the input end of the oil supply pump (1), the output end of the heating overflow valve (7), the output end of the working overflow valve (6) and the output end of the lubricating oil way of the engineering unit (3) are all connected into an oil tank (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921878964.0U CN211260318U (en) | 2019-11-04 | 2019-11-04 | Heating system for engineering machinery lubricating oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921878964.0U CN211260318U (en) | 2019-11-04 | 2019-11-04 | Heating system for engineering machinery lubricating oil |
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| Publication Number | Publication Date |
|---|---|
| CN211260318U true CN211260318U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921878964.0U Active CN211260318U (en) | 2019-11-04 | 2019-11-04 | Heating system for engineering machinery lubricating oil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160904A (en) * | 2020-09-02 | 2021-01-01 | 中油国家油气钻井装备工程技术研究中心有限公司 | High-power electrically-driven fracturing sledge power end lubricating system |
-
2019
- 2019-11-04 CN CN201921878964.0U patent/CN211260318U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160904A (en) * | 2020-09-02 | 2021-01-01 | 中油国家油气钻井装备工程技术研究中心有限公司 | High-power electrically-driven fracturing sledge power end lubricating system |
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Address after: 362000 Fujian province Quanzhou Fengze District High-tech Industrial Park Sports Street No. 700 Patentee after: Fujian Nanfang pavement machinery Co.,Ltd. Address before: 362000 Fujian province Quanzhou Fengze District High-tech Industrial Park Sports Street No. 700 Patentee before: FUJIAN SOUTH HIGHWAY MACHINERY Co.,Ltd. |