CN216011348U - Drilling machine central oil cooling system - Google Patents
Drilling machine central oil cooling system Download PDFInfo
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- CN216011348U CN216011348U CN202121114593.6U CN202121114593U CN216011348U CN 216011348 U CN216011348 U CN 216011348U CN 202121114593 U CN202121114593 U CN 202121114593U CN 216011348 U CN216011348 U CN 216011348U
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Abstract
The utility model belongs to the technical field of cooling systems, and particularly relates to a central oil cooling system of a drilling machine, which comprises a water cooler, a plate type heat exchanger, an oil pump, a heat preservation oil tank and an oil return balance pipe, wherein the water cooler provides cold water with the temperature of 7 ℃ to the plate type heat exchanger during working, the cold water exchanges heat with hot oil with the temperature of 23 ℃, the temperature of the cold water is changed to 12 ℃, the cold water flows back to the water cooler, the temperature of the hot oil is reduced to 18 ℃ to form cold oil, the formed cold oil enters the heat-preservation oil tank, the oil pump is started to convey the cold oil in the heat-preservation oil tank to a main shaft of the drilling machine, the main shaft of the drilling machine is cooled, the temperature of the cold oil rises to 23 ℃, the cold oil returns to the plate heat exchanger through the oil return balance pipe for the next cooling circulation, and through the structure arrangement, the energy consumed by the compressor, the oil pump and the fan in the original air conditioning system can be effectively saved, the heat in a workshop is reduced, and extra air conditioning loss caused by processing the part of heat is not needed.
Description
Technical Field
The utility model belongs to the technical field of cooling systems, and particularly relates to a central oil cooling system of a drilling machine.
Background
Because the main shaft of drilling machine rusts easily under long-term cold and hot circulation, consequently, the main shaft need cool off its main shaft when present drilling machine is worked, guarantees that the main shaft is worked under the constant temperature.
In the prior art, an air conditioning system is mainly configured for each drilling machine independently to cool the main shaft of the drilling machine. In order to prevent the spindle of the drilling machine from rusting due to contact with excessive moisture, the air conditioning system generally provides cooling oil with the temperature of 18-20 ℃ to cool the spindle, so that the spindle is ensured to be cooled, and the spindle is prevented from rusting.
But through the cold cooling mode of air conditioner oil, on the one hand because the existence of compressor, oil pump, the cooling fan of air conditioner itself, can consume a large amount of electric energy, on the other hand because can give off a large amount of heats to the air when the air conditioner is refrigerated, when causing the influence to workshop environment, can further increase air conditioning system's energy consumption when handling the workshop heat.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a drilling machine central oil cooling system, and aims to solve the technical problem that an oil cooling system of a drilling machine in the prior art is high in energy consumption.
In order to achieve the above object, an embodiment of the present invention provides a central oil cooling system for a drilling machine, including a water cooler, a plate heat exchanger, an oil pump, a heat preservation oil tank, and an oil return balance pipe, where the water cooler, the plate heat exchanger, the oil pump, and the heat preservation oil tank are sequentially connected, the plate heat exchanger is connected to a spindle of the drilling machine through the oil return balance pipe, the water cooler is configured to deliver cold water to the plate heat exchanger, the plate heat exchanger is configured to perform heat exchange between hot oil and cold water in the plate heat exchanger to form cold oil, the cold oil is stored in the heat preservation oil tank, and the oil pump is configured to deliver the cold oil in the heat preservation oil tank to the spindle of the drilling machine and deliver the hot oil formed after cooling the spindle to the plate heat exchanger.
Optionally, the cooling system further comprises a temperature control system for controlling the temperature of the cold oil in the thermal oil tank.
Optionally, the temperature control system includes temperature controller, shielding signal line and proportional control valve, the temperature-sensing detector of temperature controller set up in the inside of holding oil tank, proportional control valve set up in plate heat exchanger with in the pipeline between the cold water machine, the shielding signal line with the temperature controller with proportional control valve connects, the temperature controller is used for surveying the oil temperature in the holding oil tank to control proportional control valve's aperture.
Optionally, the cooling system further comprises a filter connected with the oil pump and the spindle of the drilling machine through a pipeline, and the filter is used for filtering cold oil entering the spindle of the drilling machine.
Optionally, the cooling system further comprises an oil temperature alarm, the oil temperature alarm is arranged at an oil inlet of the drilling machine, and the oil temperature alarm gives an alarm when detecting that the oil temperature is abnormal.
Optionally, the cooling system further comprises a flow alarm, the flow alarm is arranged at an oil inlet of the drilling machine, and the flow alarm gives an alarm when detecting that the flow is abnormal.
Optionally, the cooling system further comprises a constant pressure variable frequency system for controlling a rotation speed of the oil pump to maintain a constant oil pressure entering the main shaft of the drilling machine.
Optionally, the constant voltage frequency conversion system includes pressure sensors and a frequency converter, pressure sensors is used for right the frequency converter transmission gets into the oil pressure signal of the main shaft of drilling machine, the frequency converter is used for according to oil pressure signal control the rotational speed of oil pump.
One or more technical schemes in the drilling machine central oil cooling system provided by the embodiment of the utility model at least have one of the following technical effects: the cooling system comprises a water cooler, a plate heat exchanger, an oil pump and a heat preservation oil tank, wherein when the cooling system works, the water cooler provides 7 ℃ cold water for the plate heat exchanger, the cold water exchanges heat with 23 ℃ hot oil, the temperature of the cold water is changed into 12 ℃ and flows back to the water cooler, the temperature of the hot oil is reduced to 18 ℃ to form cold oil, the formed cold oil enters the heat preservation oil tank, the oil pump is started to convey the cold oil in the heat preservation oil tank to a main shaft of a drilling machine, the main shaft of the drilling machine is cooled, the temperature of the cold oil is increased to 23 ℃ and returns to the plate heat exchanger through an oil return balance pipe to perform the next cooling circulation, and through the structural arrangement, the energy lost by a compressor, the oil pump and a fan in the original air conditioning system can be effectively saved, the heat in a workshop is reduced, and no extra air conditioning loss caused by processing of the part of heat is needed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural view of a central oil cooling system of a drilling machine according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10-water cooler 20-plate heat exchanger 30-heat preservation oil tank
40-oil pump 50-main shaft 60 of drilling machine-oil return balance pipe
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.
In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In one embodiment of the present invention, as shown in fig. 1, there is provided a central oil cooling system of a drilling machine, including a water cooler 10, a plate heat exchanger 20, an oil pump 40, a thermal oil tank 30 and an oil return balance pipe 60, the water cooler 10, the plate heat exchanger 20, the oil pump 40 and the heat-insulating oil tank 30 are connected in sequence, the plate heat exchanger 20 is connected to the main shaft 50 of the drilling machine through the oil return balance pipe 60, the water cooler 10 is used for conveying cold water to the plate heat exchanger 20, the plate heat exchanger 20 is used for performing heat exchange between hot oil and the cold water in the plate heat exchanger 20 to form cold oil, the cold oil is stored in the thermal insulation oil tank 30, the oil pump 40 is used for conveying cold oil in the thermal oil tank 30 to a main shaft 50 of the drilling machine, and conveying hot oil formed after the main shaft is cooled to the plate heat exchanger 20.
Specifically, the cooling system comprises a water cooler 10, a plate heat exchanger 20, an oil pump 40 and a heat preservation oil tank 30, when in operation, the water cooler 10 provides cold water with the temperature of 7 ℃ to the plate heat exchanger 20, the cold water exchanges heat with hot oil with the temperature of 23 ℃, the temperature of the cold water is changed to 12 ℃, the cold water flows back to the water cooler 10, the temperature of the hot oil is reduced to 18 ℃ to form cold oil, the formed cold oil enters the heat-preservation oil tank 30, the oil pump 40 is started to convey the cold oil in the heat-preservation oil tank 30 to the main shaft 50 of the drilling machine, the main shaft 50 of the drilling machine is cooled, the temperature of the cold oil rises to 23 ℃, the cold oil returns to the plate heat exchanger 20 through the oil return balance pipe 60 for the next cooling circulation, and through the structure arrangement, the energy consumed by the compressor, the oil pump and the fan in the original air conditioning system can be effectively saved, the heat in a workshop is reduced, and extra air conditioning loss caused by processing the part of heat is not needed.
In another embodiment of the present invention, the cooling system further comprises a temperature control system for controlling the temperature of the cold oil in the thermal oil tank 30. Specifically, the temperature control system can control the temperature of the cold oil in the thermal oil tank 30 to prevent the cold oil from flowing too low or too high, which results in poor cooling effect of the spindle 50 of the drilling machine.
In another embodiment of the present invention, the temperature control system includes a temperature controller, a shielding signal line, and a proportional control valve, the temperature sensing detector of the temperature controller is disposed inside the thermal oil tank 30, the proportional control valve is disposed in the pipeline between the plate heat exchanger 20 and the water chiller 10, the shielding signal line is connected to the temperature controller and the proportional control valve, and the temperature controller is configured to detect the oil temperature in the thermal oil tank 30 to control the opening degree of the proportional control valve. Specifically, the temperature-sensitive detector senses the oil temperature in the thermal-insulation oil tank 30, the oil temperature signal is transmitted to the proportional regulating valve through a signal shielding line, if the oil temperature in the thermal-insulation oil tank 30 is higher, the opening degree of the proportional regulating valve is increased, so that the amount of cold water entering the plate-type heat exchanger 20 by the water chiller 10 is increased, heat exchange is enhanced, and the oil temperature in the thermal-insulation oil tank 30 is reduced; on the contrary, if the oil temperature in the thermal insulation oil tank 30 is relatively low, the opening degree of the proportional control valve is reduced to reduce the amount of cold water entering the plate heat exchanger 20 by the cold water machine 10, and reduce heat exchange, so that the oil temperature in the thermal insulation oil tank 30 is increased, and finally the oil temperature in the thermal insulation oil tank 30 is maintained between 16 ℃ and 20 ℃.
In another embodiment of the present invention, the cooling system further comprises a filter connected to the oil pump 40 and the main shaft 50 of the drilling machine through pipes, the filter being used to filter cold oil entering the main shaft 50 of the drilling machine. Specifically, the cooling oil entering the main shaft 50 of the drilling machine needs to be filtered through a filter to ensure that the cooling oil entering the main shaft 50 of the drilling machine is not contaminated.
In another embodiment of the utility model, the cooling system further comprises an oil temperature alarm, the oil temperature alarm is arranged at an oil inlet of the drilling machine, and the oil temperature alarm gives an alarm when the oil temperature is detected to be abnormal. Specifically, the oil temperature alarm alarms when the temperature of the cooling oil entering the main shaft 50 of the drilling machine is too high or too low.
In another embodiment of the utility model, the cooling system further comprises a flow alarm, the flow alarm is arranged at the oil inlet of the drilling machine, and the flow alarm gives an alarm when the flow alarm detects that the flow is abnormal. Specifically, the flow alarm alarms when the flow rate of the cooling oil into the main shaft 50 of the drill is too high or too low.
In another embodiment of the present invention, the cooling system further comprises a constant pressure variable frequency system for controlling the rotation speed of the oil pump 40 to maintain the oil pressure entering the main shaft 50 of the drilling machine constant. Specifically, as some drilling machines stop and do not work for various reasons, a constant-pressure variable-frequency system is additionally arranged, so that the system can be ensured to be in a constant-pressure oil supply state all the time; through the arrangement of the constant-voltage variable-frequency system, the energy loss of a water pump for conveying ice water and a tail end fan coil in the original system is reduced.
In another embodiment of the present invention, the constant voltage and frequency conversion system includes a pressure sensor for transmitting an oil pressure signal into a main shaft 50 of the drilling machine to the frequency converter, and a frequency converter for controlling a rotation speed of the oil pump 40 according to the oil pressure signal. Specifically, the pressure sensor senses a system oil pressure signal, which is transmitted to the inverter, which controls the rotation speed of the oil pump 40 by the oil pressure signal to control the oil pressure of the cooling system.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A drilling machine central oil cooling system which characterized in that: including cold water machine, plate heat exchanger, oil pump and, heat preservation oil tank and return oil balance pipe, the cold water machine plate heat exchanger the oil pump with the heat preservation oil tank connects according to the preface, plate heat exchanger passes through return oil balance pipe is connected with the main shaft of drilling machine, the cold water machine be used for to plate heat exchanger carries cold water, plate heat exchanger is used for being located hot oil in the plate heat exchanger carries out the heat exchange with cold water and forms cold oil, forms cold oil stores up in the heat preservation oil tank, the oil pump be used for with cold oil in the heat preservation oil tank is carried to the main shaft of drilling machine to the hot oil that will cool off formation behind the main shaft carries extremely in the plate heat exchanger.
2. The drill center oil cooling system according to claim 1, wherein: the cooling system further comprises a temperature control system, and the temperature control system is used for controlling the temperature of the cold oil in the heat-preservation oil tank.
3. The drill center oil cooling system according to claim 2, wherein: temperature control system includes temperature controller, shielding signal line and proportional control valve, the temperature-sensitive detector of temperature controller set up in the inside of holding oil tank, proportional control valve set up in plate heat exchanger with in the pipeline between the cold water machine, the shielding signal line with the temperature controller with proportional control valve connects, the temperature controller is used for surveying the oil temperature in the holding oil tank to control proportional control valve's aperture.
4. The central oil cooling system of a drilling machine according to any one of claims 1 to 3, wherein: the cooling system further comprises a filter, the filter is connected with the oil pump and the main shaft of the drilling machine through a pipeline, and the filter is used for filtering cold oil entering the main shaft of the drilling machine.
5. The central oil cooling system of a drilling machine according to any one of claims 1 to 3, wherein: the cooling system further comprises an oil temperature alarm, the oil temperature alarm is arranged at an oil inlet of the drilling machine and alarms when the oil temperature alarm detects that the oil temperature is abnormal.
6. The central oil cooling system of a drilling machine according to any one of claims 1 to 3, wherein: the cooling system further comprises a flow alarm, the flow alarm is arranged at an oil inlet of the drilling machine, and the flow alarm gives an alarm when detecting that the flow is abnormal.
7. The central oil cooling system of a drilling machine according to any one of claims 1 to 3, wherein: the cooling system further comprises a constant-pressure variable-frequency system for controlling the rotation speed of the oil pump so as to keep the oil pressure entering the main shaft of the drilling machine constant.
8. The drill center oil cooling system according to claim 7, wherein: the constant voltage frequency conversion system comprises a pressure sensor and a frequency converter, wherein the pressure sensor is used for transmitting an oil pressure signal entering a main shaft of the drilling machine, and the frequency converter is used for controlling the rotating speed of the oil pump according to the oil pressure signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121114593.6U CN216011348U (en) | 2021-05-22 | 2021-05-22 | Drilling machine central oil cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121114593.6U CN216011348U (en) | 2021-05-22 | 2021-05-22 | Drilling machine central oil cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216011348U true CN216011348U (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121114593.6U Active CN216011348U (en) | 2021-05-22 | 2021-05-22 | Drilling machine central oil cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216011348U (en) |
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2021
- 2021-05-22 CN CN202121114593.6U patent/CN216011348U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220630 Address after: Room 104, unit 2, building D1, Jinshan garden, Jinshan Island, No. 200 Jinshan Road, Huizhou, Guangdong 516000 Patentee after: Huizhou Zhaoyi energy and Environment Technology Co.,Ltd. Address before: 516000 room 422, building 207, No. 90, Donghu 4th Street, Huicheng District, Huizhou City, Guangdong Province Patentee before: Xia Zhongyi |
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| TR01 | Transfer of patent right |