CN215174027U - Fracturing unit truck lubricating system and fracturing unit truck - Google Patents
Fracturing unit truck lubricating system and fracturing unit truck Download PDFInfo
- Publication number
- CN215174027U CN215174027U CN202121406544.XU CN202121406544U CN215174027U CN 215174027 U CN215174027 U CN 215174027U CN 202121406544 U CN202121406544 U CN 202121406544U CN 215174027 U CN215174027 U CN 215174027U
- Authority
- CN
- China
- Prior art keywords
- lubricating
- power gear
- oil
- motor
- gear pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model relates to a fracturing unit truck technical field to a fracturing unit truck lubricating system and fracturing unit truck is provided, fracturing unit truck lubricating system includes power gear pump, lubrication motor, lubricating-oil tank and lubricating pump, power gear pump is suitable for being connected with the engine transmission of fracturing unit truck, power gear pump with the lubrication motor is connected, the hydraulic oil of power gear pump output is in order to drive the operation of lubrication motor, be suitable for splendid attire lubricating oil in the lubricating-oil tank, the lubrication motor with the lubrication pump transmission is connected, the oil absorption chamber of lubrication pump with the lubricating-oil tank intercommunication, the pressure oil chamber of lubrication pump is suitable for connecting the power device of fracturing unit truck; the utility model discloses an engine of fracturing unit truck combines the power gear pump to provide hydraulic oil for lubricated motor alone to guarantee that lubricated motor has sufficient rotational speed, and then make lubricated motor drive's lubricating oil that enough flow can be exported to the lubricating pump, improve the lubricated effect to power device.
Description
Technical Field
The utility model relates to a fracturing unit truck technical field particularly, relates to a fracturing unit truck lubricating system and fracturing unit truck.
Background
The fracturing truck is the main equipment for fracturing construction, and has the functions of injecting high-pressure and large-discharge fracturing fluid into the stratum, fracturing the stratum, and extruding supporting materials (such as fracturing sand) into the fracture so as to enhance the permeability of the stratum, increase the mobility of oil and gas and improve the recovery ratio of the oil and gas. At present, a fracturing truck mainly comprises a lubricating system and a fan system, wherein the lubricating system mainly comprises a lubricating motor and a lubricating pump, lubricating oil output by the lubricating pump is used for lubricating a gear part of the fracturing pump, power required by the lubricating system is supplied by pressure oil of the fan system in parallel, namely the fan pump in the fan system needs to simultaneously supply the pressure oil to the fan motor in the fan system and the lubricating motor in the lubricating system, the flow direction of the pressure oil is usually determined according to the size of a load, the pressure oil requirements of the lubricating system and the fan system interfere with each other at the moment, so that the rotating speed of the lubricating motor is low, the flow of the lubricating oil output by the lubricating pump cannot meet the design requirement, and the lubricating effect of the fracturing pump is further reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem how to make the lubricating oil flow of lubricating pump output reach the design demand.
In order to solve the above problem, the utility model provides a fracturing unit truck lubricating system, include:
the power gear pump is suitable for being in transmission connection with an engine of the fracturing truck;
the power gear pump is connected with the lubricating motor, and hydraulic oil output by the power gear pump drives the lubricating motor to operate;
a lubricant tank adapted to contain lubricant therein;
the lubricating pump, the lubricating motor with the lubricating pump transmission is connected, the oil absorption chamber of lubricating pump with the lubricating oil tank intercommunication, the pressure oil chamber of lubricating pump is suitable for connecting the power device of fracturing unit truck.
Optionally, the fracturing truck lubricating system further comprises a hydraulic oil tank, the hydraulic oil tank is suitable for containing hydraulic oil, an oil suction cavity of the power gear pump is communicated with the hydraulic oil tank, and an oil pressing cavity of the power gear pump is communicated with the lubricating motor.
Optionally, the lubricating system of the fracturing truck further comprises a valve structure, the number of the engines and the number of the power gear pumps are matched and are at least two, the output shaft of each engine is in transmission connection with the input shaft of each power gear pump respectively and is used for driving each power gear pump to operate respectively, the oil pressing cavity of each power gear pump is further communicated with one end of the valve structure, and the other end of the valve structure is communicated with the hydraulic oil tank.
Optionally, the valve structure is a three-way valve or an electromagnetic unloading valve.
Optionally, the fracturing truck lubricating system further comprises a confluence pipeline, the pressure oil cavity of each power gear pump is communicated with the confluence pipeline, and the oil outlet end of the confluence pipeline is communicated with the lubricating motor.
Optionally, the hydraulic control system further comprises at least two check valves, and each check valve is respectively arranged on a pipeline between the pressure oil cavity of each power gear pump and the confluence pipeline.
Optionally, still include the manometer, the manometer set up in converge on the pipeline, in order to monitor converge the pipeline internal flow the oil pressure of hydraulic oil.
Optionally, the lubricating device further comprises a first filter and a second filter, wherein the first filter is arranged on a pipeline between the power gear pump and the lubricating motor; and/or the second filter is arranged on a pipeline between the lubricating pump and the power device.
Optionally, still include first heat sink and second heat sink, first heat sink set up in power gear pump with one side of the pipeline between the lubricated motor, and/or, the second heat sink set up in valve structure with one side of the pipeline between the hydraulic tank.
Compared with the prior art, the utility model has the advantages that the engine of the fracturing truck is in transmission connection with the power gear pump, and the power gear pump is connected with the lubricating motor, so that the power gear pump is directly driven by the engine to work, and the lubricating motor is driven to run by the hydraulic oil discharged by the power gear pump; through lubricated motor and lubricating pump transmission connection, and the oil absorption chamber and the lubricating-oil tank intercommunication of lubricating pump, thereby utilize lubricated motor to drive the lubricating pump and rotate, with lubricating-oil pump pumping to power device in the lubricating-oil tank, with lubricate the operation to power device, fan pump supplies pressure oil to fan motor and lubricated motor simultaneously among the prior art relatively, the rotational speed that leads to lubricated motor is lower, and the lubricating oil flow of lubricating pump output can't reach the design demand, this application combines the power gear pump to provide hydraulic oil for lubricated motor alone through the engine of fracturing truck, with guarantee that lubricated motor has sufficient rotational speed, and then make the lubricating pump of lubricated motor drive can output the lubricating oil of sufficient flow, improve the lubricated effect to power device.
The utility model provides a fracturing unit truck, include as above-mentioned fracturing unit truck lubricating system still includes engine and power device, fracturing unit truck's beneficial effect with fracturing unit truck lubricating system's beneficial effect is no longer repeated here.
Drawings
Fig. 1 is a schematic view of a pipeline connection of a fracturing truck in an embodiment of the present invention;
fig. 2 is the utility model discloses in the embodiment connection structure schematic diagram of fracturing unit truck lubricating system.
Description of reference numerals:
1-a power gear pump; 2-lubricating the motor; 3-lubricating oil tank; 4-a lubrication pump; 5-a hydraulic oil tank; 6-valve structure; 7-a converging line; 8-a one-way valve; 9-a pressure gauge; 10-a first filter; 11-an engine; 12-a power plant; 13-oil tank connecting pipe; 14-second filter.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, references to the description of the terms "an example," "one example," and "one implementation," etc., mean that a particular feature, structure, material, or characteristic described in connection with the example or implementation is included in at least one example or implementation of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.
In order to solve the technical problem that the above-mentioned background art provided, it is shown with fig. 1 and fig. 2 to combine, the embodiment of the utility model provides a fracturing unit truck lubricating system, include:
the power gear pump 1 is suitable for being in transmission connection with an engine 11 of the fracturing truck;
the power gear pump 1 is connected with the lubricating motor 2, and the hydraulic oil output by the power gear pump 1 drives the lubricating motor 2 to operate;
a lubricating oil tank 3, wherein the lubricating oil tank 3 is suitable for containing lubricating oil;
the lubricating pump 4, the lubricating motor 2 with the lubricating pump 4 transmission is connected, the oil absorption chamber of lubricating pump 4 with the lubricating oil tank 3 intercommunication, the pressure oil chamber of lubricating pump 4 is suitable for connecting the power device 12 of fracturing unit truck.
It should be noted that, in the prior art, the output of hydraulic oil from the fan pump generally needs to be used as power sources of both the fan motor in the fan system and the lubrication motor 2 in the lubrication system, at this time, the lubrication motor 2 and the fan motor interfere with the demand of the hydraulic oil, which results in a low rotation speed of the lubrication motor 2, in this embodiment, the power source of the lubrication motor 2 is removed from the fan pump, and then power is taken from the engine 11 and the power gear pump 1, that is, the engine 11 is connected with the power gear pump 1, and the hydraulic oil is output by the power gear pump 1 to be used as power of the lubrication motor 2, so that it can be ensured that the lubrication motor 2 has a sufficient rotation speed. The lubrication motor 2 may be a vane type hydraulic motor, and because the pressure oil, such as hydraulic oil, which is output by the power gear pump 1 and used as power can make the rotor of the lubrication motor 2 generate torque, and the output torque of the vane type hydraulic motor is related to the displacement of the hydraulic motor and the pressure difference between the oil inlet and the oil outlet of the hydraulic motor, and the rotation speed of the hydraulic motor is determined by the flow rate of the hydraulic oil input to the hydraulic motor, the lubrication motor 2 can have sufficient rotation speed as long as the power gear pump 1 can output the hydraulic oil with sufficient flow rate to the lubrication motor 2 used as the hydraulic motor.
The fracturing truck is provided with at least one engine 11, the power gear pump 1 can be connected with an output shaft of the engine 11, the power gear pump 1 can be driven to operate by utilizing the rotation of the engine 11, hydraulic oil can be output by the operation of the power gear pump 1 and is conveyed to the lubricating motor 2, and therefore power is provided for the rotation of the lubricating motor 2.
The power gear pump 1 is a rotary pump that conveys or pressurizes a liquid by changing and moving a displacement volume formed between a pump cylinder and a meshing gear. The power gear pump 1 generally comprises two gears, a pump body and two closed spaces formed by the pump body and front and rear covers, when the gears rotate, the volume of the space on the gear disengagement side is increased from small to large to form vacuum, liquid is sucked in, the volume of the space on the gear engagement side is decreased from large to small, the liquid is squeezed into a pipeline, and hydraulic oil serving as power can be extracted and output by utilizing the operation of the power gear pump 1. The lubrication motor 2 is a hydraulic motor in this embodiment, and the hydraulic motor is an executing element of the hydraulic system, and can convert the hydraulic pressure energy provided by the hydraulic pump into the mechanical energy of its output shaft, so the lubrication motor 2 is in transmission connection with the lubrication pump 4, and after the lubrication motor 2 receives the hydraulic oil output by the power gear pump 1, it can operate to drive the lubrication pump 4 to draw the lubricating oil from the lubricating oil tank 3. The lubrication motor 2 and the lubrication pump 4 may be connected through a transmission shaft, or may be connected through a coupling or other transmission structures, which is not limited herein.
In the embodiment, the engine 11 of the fracturing truck is in transmission connection with the power gear pump 1, and the power gear pump 1 is connected with the lubricating motor 2, so that the power gear pump 1 is directly driven to work by the engine 11, and the lubricating motor 2 is driven to run by hydraulic oil discharged from the power gear pump 1; through lubricated motor 2 and 4 transmission connections of lubricating pump, and the oil absorption chamber and the lubricated oil tank 3 intercommunication of lubricating pump 4, thereby utilize lubricated motor 2 to drive lubricated pump 4 and rotate, in order to carry the lubricating oil in the lubricated oil tank 3 to power device 12, in order to lubricate operation to power device 12, fan pump supplies pressure oil to fan motor and lubricated motor 2 simultaneously among the prior art, lead to lubricated motor 2's rotational speed lower, and the lubricating oil flow of lubricated pump 4 output can't reach the design demand, this embodiment combines power gear pump 1 to provide hydraulic oil alone for lubricated motor 2 through fracturing truck engine 11, in order to guarantee that lubricated motor 2 has sufficient rotational speed, and then make lubricated motor 2 driven lubricating pump 4 can output the lubricating oil of sufficient flow, improve the lubrication effect to power device 12.
The utility model discloses an embodiment, as shown in combination with fig. 1, fracturing unit lubrication system still includes hydraulic tank 5, be suitable for splendid attire hydraulic oil in the hydraulic tank 5, the oil absorption chamber of power gear pump 1 with hydraulic tank 5 intercommunication, the oil absorption chamber of power gear pump 1 with lubricated motor 2 intercommunication.
It should be noted that, through the oil absorption cavity of the power gear pump 1 with the hydraulic oil tank 5 communicates, the oil absorption cavity of the power gear pump 1 with the lubrication motor 2 communicates, so that after the engine 11 drives the power gear pump 1 to operate, the operation of the power gear pump 1 is utilized to extract hydraulic oil from the inside of the hydraulic oil tank 5 and the hydraulic oil enters the oil absorption cavity of the power gear pump 1, the operation of the power gear pump 1 enables the hydraulic oil in the oil absorption cavity to be discharged through the oil absorption cavity and conveyed to the lubrication motor 2, and thus power is provided for the lubrication motor 2. The oil suction cavity of the power gear pump 1 can be communicated with the hydraulic oil tank 5 through a pipeline, so that hydraulic oil output by the hydraulic oil tank 5 can conveniently enter the oil suction cavity of the power gear pump 1 through the pipeline.
The utility model discloses an in an embodiment, fracturing unit lubrication system still includes valve structure 6, engine 11 with the quantity phase-match of power gear pump 1 just is at least two, each the output shaft of engine 11 respectively with each the input shaft transmission of power gear pump 1 is connected for drive each respectively power gear pump 1 operates, power gear pump 1 press the oil chamber still with valve structure 6's one end intercommunication, valve structure 6's the other end with hydraulic tank 5 intercommunication.
It should be noted that the oil amount of each engine 11 can satisfy the flow demand of the hydraulic oil required for lubricating the motor 2. As shown in fig. 1 and 2, the output shaft of each engine 11 is in transmission connection with the input shaft of each power gear pump 1, so that each engine 11 can drive each corresponding power gear pump 1 to operate, and the hydraulic oil is extracted from the hydraulic oil tank 5. When the number of the power gear pumps 1 is at least two, the number of the hydraulic oil tanks 5 can be one, at the moment, the plurality of power gear pumps 1 can simultaneously extract hydraulic oil from one hydraulic oil tank 5, thereby reducing the number of the hydraulic oil tanks 5, for example, the fracturing truck lubricating system further comprises an oil tank connecting pipe 13, a plurality of oil outlets and an oil inlet are arranged on the oil tank connecting pipe 13, namely, oil suction cavities of the plurality of power gear pumps 1 are respectively communicated with the plurality of oil outlets on the oil tank connecting pipe 13, and the oil inlet of the oil tank connecting pipe 13 is communicated with the hydraulic oil tank 5, thereby facilitating the extraction of the plurality of power gear pumps 1 from the hydraulic oil tanks 5 through the oil tank connecting pipe 13, and also reducing the number of the oil ports of the hydraulic oil tanks 5, ensuring the sealing performance of the hydraulic oil tanks 5, as shown in fig. 2. Of course, the number of the hydraulic oil tanks 5 can also be matched with the number of the power gear pumps 1, that is, each power gear pump 1 can extract hydraulic oil from the corresponding hydraulic oil tank 5 during operation, so that it can be ensured that the hydraulic oil extracted from the hydraulic oil tank 5 by each power gear pump 1 meets the oil flow demand of the lubricating motor 2.
In this embodiment, when the number of the engines 11 and the number of the power gear pumps 1 are at least two, and when a plurality of engines 11 are started simultaneously, one of the engines 11 is used for driving the corresponding power gear pump 1 to move, and the hydraulic oil extracted from the hydraulic oil tank 5 and output to the lubrication motor 2 as power is used as the hydraulic oil, so as to meet the flow demand of the hydraulic oil for the lubrication motor 2, while the other engines 11 drive the corresponding power gear pumps 1 to work, and the hydraulic oil extracted from the hydraulic oil tank 5 flows back to the hydraulic oil tank 5 through the valve structure 6, thereby avoiding that a pipeline between the power gear pump 1 and the lubrication motor 2 fails due to overpressure caused by that the hydraulic oil is output to the lubrication motor 2 by the power gear pumps 1 corresponding to the plurality of engines 11 simultaneously.
In an embodiment of the present invention, the valve structure 6 is a three-way valve or an electromagnetic unloading valve.
It should be noted that, referring to fig. 1, the engine 11, the power gear pump 1, and the valve structure 6 in fig. 1 are named from left to right according to the first, second, and third designations, respectively, for example, the engine 11, the power gear pump 1, and the valve structure 6 on the leftmost oil passage may be named as a first engine, a first power gear pump, and a first valve structure, respectively, and the engine 11, the power gear pump 1, and the valve structure 6 on the rightmost oil passage may be named as a third engine, a third power gear pump, and a third valve structure, respectively. When the first engine drives the first power gear pump to operate to provide hydraulic oil for the lubricating motor 2, the first valve structure is operated to enable the pipeline between the power gear pump 1 and the lubricating motor 2 to be communicated at the moment, so that the hydraulic oil can be conveniently conveyed to the lubricating motor 2, the second valve structure and the third valve structure are operated to respectively enable the pipeline between the second power gear pump and the lubricating motor 2 and the pipeline between the third power gear pump and the lubricating motor 2 to be closed, and meanwhile, the pipelines between the second power gear pump and the hydraulic oil tank 5 and the pipelines between the third power gear pump and the hydraulic oil tank 5 are opened, so that the hydraulic oil output by the second power gear pump and the third power gear pump respectively returns to the hydraulic oil tank 5 through the second valve structure and the third valve structure.
When valve structure 6 is the three way valve, for example, can be manual three way valve, manual three way valve sets up on the pipeline between power gear pump 1 and lubricated motor 2, the first end, the second end, the third end of manual three way valve communicate with power gear pump 1, lubricated motor 2 and hydraulic tank 5 respectively this moment, can pass through manual operation manual three way valve this moment, thereby through the position or the state of operating manual three way valve, realize switching on or the shutoff of pipeline between the pressure oil chamber of power gear pump 1 and lubricated motor 2 and pipeline between the pressure oil chamber of power gear pump 1 and hydraulic tank 5.
When the valve structure 6 is an electromagnetic unloading valve, as shown in fig. 1 and 2, the electromagnetic unloading valve is arranged on a pipeline between a pressure oil cavity of the power gear pump 1 and the hydraulic oil tank 5, when the first engine drives the first power gear pump to operate to provide hydraulic oil for the lubricating motor 2, the electromagnetic unloading valve as the first valve structure is operated to conduct the pipeline between the power gear pump 1 and the lubricating motor 2, so as to conveniently convey the hydraulic oil to the lubricating motor 2, and the two electromagnetic unloading valves as the second valve structure and the third valve structure are both in an open state, so that the pipeline between the second power gear pump and the hydraulic oil tank 5 and the pipeline between the third power gear pump and the hydraulic oil tank 5 are opened, so that the hydraulic oil output by the second power gear pump and the third power gear pump returns to the hydraulic oil tank 5 through the two electromagnetic unloading valves as the second valve structure and the third valve structure respectively. The electromagnetic unloading valve is usually an overflow valve with a two-position two-way valve (usually an electromagnetic valve), and has the function of setting the main pressure of the hydraulic system when the electromagnetic unloading valve is not in unloading state, and the pressure oil directly returns to the oil tank when the electromagnetic unloading valve is in unloading state (converted by the action of the two-position two-way valve), so that the electromagnetic unloading valve structure which only can automatically return the hydraulic oil in the pressure oil cavity of the power gear pump 1 to the hydraulic oil tank 5 is suitable for the technical scheme, and the description is omitted here.
The utility model discloses an in one embodiment, fracturing unit lubrication system still includes pipeline 7 that converges, each power gear pump 1 press the oil chamber respectively with pipeline 7 intercommunication converges, pipeline 7's that converges go out oil end with lubricated motor 2 intercommunication.
It should be noted that, as shown in fig. 1 and fig. 2, by providing the confluence pipeline 7, the oil pressure chambers of the power gear pumps 1 are respectively communicated with the confluence pipeline 7, the oil outlet end of the confluence pipeline 7 is communicated with the lubricating motor 2, so that the hydraulic oil output by each power gear pump 1 firstly enters the confluence pipeline 7 and then enters the lubricating motor 2 from the oil outlet end of the confluence pipeline 7 to drive the lubricating motor 2 to rotate, so that the lubricating motor 2 can be communicated with the plurality of power gear pumps 1 by only providing one oil inlet communicated with the confluence pipeline 7, the number of the oil inlets of the lubricating motor 2 is reduced, and the convenience of connecting the plurality of power gear pumps 1 with the lubricating motor 2 through one confluence pipeline 7 is improved.
The utility model discloses an in one embodiment, fracturing unit lubrication system still includes two at least check valves 8, each check valve 8 set up respectively in each power gear pump 1 press the oil chamber with on the pipeline between the conflux pipeline 7.
It should be noted that, as shown in fig. 1, the check valve 8 is disposed on the pipeline between the pressure oil chamber of each power gear pump 1 and the confluence pipeline 7, so that the hydraulic oil output from the pressure oil chamber of the power gear pump 1 can only enter the lubrication motor 2 through the confluence pipeline 7 in a single direction, and the hydraulic oil in the confluence pipeline 7 is prevented from returning to the pressure oil chamber of the power gear pump 1 to affect the normal operation of the power gear pump 1.
The utility model discloses an in the embodiment, fracturing unit truck lubricating system still includes manometer 9, manometer 9 set up in on the pipeline 7 that converges, with the monitoring flow through in the pipeline 7 that converges the oil pressure of hydraulic oil.
It should be noted that, by providing the pressure gauge 9 on the confluence pipeline 7, the worker can monitor the oil pressure of the hydraulic oil flowing in the confluence pipeline 7 conveniently. Wherein, manometer 9 can be pointer-type manometer 9, also can be digital oil pressure gauge, as long as can realize carrying out the manometer 9 that monitors to the oil pressure of hydraulic oil in the pipeline all is applicable to this technical scheme, does not do specific limit here.
In an embodiment of the present invention, the fracturing truck lubrication system further comprises a first filter 10 and a second filter 14, the first filter 10 is disposed on the pipeline between the power gear pump 1 and the lubrication motor 2; and/or the second filter 14 is arranged on the pipeline between the lubrication pump 4 and the power unit 12.
It should be noted that, as shown in fig. 1 and fig. 2, the lubricating motor 2 is generally provided with an oil inlet and an oil outlet, the hydraulic oil output by the power gear pump 1 enters from the oil inlet of the lubricating motor 2 through the confluence pipeline 7, and the oil outlet of the lubricating motor 2 is further communicated with the hydraulic oil tank 5 through a pipeline, so that the hydraulic oil discharged from the oil outlet of the lubricating motor 2 flows back to the hydraulic oil tank 5 through the pipeline. And because a plurality of power gear pumps 1 can also share one hydraulic oil tank 5, when the power gear pumps 1 are operated to draw hydraulic oil from the hydraulic oil tank 5 and then convey the hydraulic oil to the lubricating motor 2 through a pipeline to drive the lubricating motor 2 to rotate, at this time, the hydraulic oil entering from one oil inlet of the lubricating motor 2 can also be discharged from the other oil outlet of the lubricating motor 2 and flow back to the hydraulic oil tank 5 through the pipeline, so that the hydraulic oil flowing in the pipeline among the hydraulic oil tank 5, the power gear pumps 1 and the lubricating motor 2 inevitably has impurities such as dust, oil stains and the like because of passing through the power gear pumps 1 and the lubricating motor 2, the first filter 10 is arranged on the pipeline between the power gear pumps 1 and the lubricating motor 2, thereby the hydraulic oil in the pipeline among the hydraulic oil tank 5, each power gear pump 1 and the lubricating motor 2 can be filtered by the first filter 10, the purity of the hydraulic oil is guaranteed, the hydraulic oil is recycled, and the normal operation of the lubricating motor 2 can be guaranteed due to the fact that the hydraulic oil is used as power for lubricating the motor 2. The first filter 10 is used for filtering impurities in hydraulic oil, and the filter structure that can filter impurities in hydraulic oil in a pipeline is applicable to the technical solution, and is not specifically limited herein.
In another embodiment of the present invention, referring to fig. 1, an oil inlet and an oil outlet (not shown in the figure) are provided on the power device 12, an oil suction chamber of the lubricant pump 4 is communicated with the lubricant tank 3 through a pipeline, an oil pressing chamber of the lubricant pump 4 is communicated with the power device 12 through a pipeline, the lubricant motor 2 drives the lubricant pump 4 to operate, so that the lubricant pump 4 can draw lubricant from the lubricant tank 3 and enter from the oil inlet of the power device 12 through a pipeline to lubricate the power device 12, the oil outlet of the power device 12 is also communicated with the lubricant tank 3 through a pipeline, so that the lubricant discharged from the oil outlet of the power device 12 flows back to the lubricant tank 3 through a pipeline, and the lubricant flowing in the pipeline between the lubricant tank 3, the lubricant pump 4, and the power device 12 inevitably has impurities such as dust, oil stain, iron filings and the like due to the lubricant passing through the lubricant pump 4 and the power device 12, through with second filter 14 set up in lubricating pump 4 with on the pipeline between power device 12 to utilize second filter 14 to filter the lubricating oil in the pipeline between lubricating-oil tank 3, lubricating pump 4, power device 12, with the purity of guaranteeing lubricating oil, realize the cyclic utilization of lubricating oil. The second filter 14 is used for filtering impurities in the lubricating oil, and the filter structure is not particularly limited as long as the filter structure is capable of filtering impurities in the lubricating oil in the pipeline.
Through with first filter 10 set up in power gear pump 1 with on the pipeline between the lubricated motor 2, and second filter 14 set up in the lubrication pump 4 with on the pipeline between the power device 12, can utilize first filter 10 and second filter 14 respectively right power gear pump 1 with hydraulic oil in the pipeline between the lubrication motor 2 and lubrication pump 4 with lubricating oil in the pipeline between the power device 12 filters to purify hydraulic oil and lubricating oil, realize the cyclic utilization of hydraulic oil and lubricating oil.
In an embodiment of the present invention, the fracturing truck lubrication system further comprises a first cooling device and a second cooling device, the first cooling device is set in the power gear pump 1 and one side of the pipeline between the lubrication motors 2, and/or the second cooling device is set in one side of the pipeline between the valve structure 6 and the hydraulic oil tank 5.
It should be noted that, because the hydraulic oil is heated in the processes of being pumped out from the hydraulic oil tank 5, being transported, entering the lubricating motor 2 and flowing back to the hydraulic oil tank 5, and the hydraulic oil output by the power gear pump 1 is also used as a power source of the lubricating motor 2, the temperature of the hydraulic oil flowing through the pipeline between the power gear pump 1 and the lubricating motor 2 needs to be kept relatively stable, if the hydraulic oil is overheated for a long time, the temperature of the power gear pump 1 and the lubricating motor 2 is easily increased, and by arranging the first temperature reducing device at one side of the pipeline between the power gear pump 1 and the lubricating motor 2, the temperature of the hydraulic oil flowing through the pipeline between the power gear pump 1 and the lubricating motor 2 can be reduced, so as to prevent the hydraulic oil from being overheated to affect the normal operation of the power gear pump 1 and the lubricating motor 2.
Because the hydraulic oil output by the pressure oil cavity of the power gear pump 1 flows back to the hydraulic oil tank 5 through the valve structure 6 and is pumped out from the hydraulic oil tank 5 through the power gear pump 1 to be conveyed to the lubricating motor 2 as a power source, the hydraulic oil is also heated in the process, if the hydraulic oil in the pipeline is overheated for a long time, the temperature of the power gear pump 1 is easily increased, so that the hydraulic oil flowing through the pipeline between the valve structure 6 and the hydraulic oil tank 5 needs to keep a relatively stable temperature, and a second temperature reducing device is arranged on one side of the pipeline between the valve structure 6 and the hydraulic oil tank 5, so that the temperature of the hydraulic oil flowing in the pipeline between the valve structure 6 and the hydraulic oil tank 5 can be reduced, and the influence of overheating of the hydraulic oil on the normal operation of the power gear pump 1 is prevented.
Wherein, first heat sink and second heat sink all can be the fan, still can be for refrigeration air conditioner, window machine etc. as long as can realize all being applicable to this technical scheme to the heat sink that the liquid of pipeline circulation cooled down, no longer gives unnecessary details here.
Another embodiment of the utility model provides a fracturing unit truck, including the aforesaid fracturing unit truck lubricating system still includes engine 11 and power device 12.
It should be noted that the power device 12 may be a fracturing pump, and may also be other electrical devices on the fracturing truck that need to be lubricated by lubricating oil, and is not limited in detail here. When power device 12 is the fracturing pump, because the inside of fracturing pump is equipped with gear structure, gear structure is dry easily for long-time operation, if gear structure lacks the lubrication of lubricating oil, can influence the life of other structures of gear structure and fracturing pump, consequently need carry lubricating oil for gear structure in the fracturing pump as power device 12 through lubricating pump 4, the rotation that utilizes gear structure realizes the lubrication operation to the fracturing pump, the concrete process that utilizes lubricating oil to carry out the lubrication to the device in the fracturing pump is prior art, no longer give unnecessary details here.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.
Claims (10)
1. A fracturing truck lubrication system, comprising:
the power gear pump (1), the power gear pump (1) is suitable for being in transmission connection with an engine (11) of the fracturing truck;
the power gear pump (1) is connected with the lubricating motor (2), and hydraulic oil output by the power gear pump (1) drives the lubricating motor (2) to operate;
a lubricating oil tank (3), wherein the lubricating oil tank (3) is suitable for containing lubricating oil;
the lubricating pump (4), the lubricating motor (2) with the lubricating pump (4) transmission is connected, the oil absorption chamber of lubricating pump (4) with lubricating oil tank (3) intercommunication, the pressure oil chamber of lubricating pump (4) is suitable for connecting power device (12) of fracturing unit truck.
2. The fracturing truck lubricating system of claim 1, further comprising a hydraulic oil tank (5), wherein the hydraulic oil tank (5) is adapted to contain hydraulic oil, the oil suction cavity of the power gear pump (1) is communicated with the hydraulic oil tank (5), and the oil pressing cavity of the power gear pump (1) is communicated with the lubricating motor (2).
3. The fracturing truck lubricating system of claim 2, further comprising a valve structure (6), wherein the number of the engines (11) and the number of the power gear pumps (1) are at least two, the output shaft of each engine (11) is in transmission connection with the input shaft of each power gear pump (1) respectively and is used for driving each power gear pump (1) to operate respectively, the pressure oil cavity of each power gear pump (1) is further communicated with one end of the valve structure (6), and the other end of the valve structure (6) is communicated with the hydraulic oil tank (5).
4. Fracturing truck lubrication system according to claim 3, wherein said valve structure (6) is a three-way valve or an electromagnetic unloading valve.
5. The fracturing truck lubricating system of claim 3, further comprising a confluence pipeline (7), wherein the oil pressure cavities of the power gear pumps (1) are respectively communicated with the confluence pipeline (7), and the oil outlet end of the confluence pipeline (7) is communicated with the lubricating motor (2).
6. The fracturing truck lubricating system of claim 5, further comprising at least two check valves (8), wherein each check valve (8) is respectively arranged on a pipeline between the pressure oil cavity of each power gear pump (1) and the confluence pipeline (7).
7. The fracturing truck lubrication system according to claim 5, further comprising a pressure gauge (9), wherein the pressure gauge (9) is disposed on the converging line (7) to monitor the pressure of the hydraulic oil flowing through the converging line (7).
8. The fracturing truck lubrication system according to claim 1, further comprising a first filter (10) and a second filter (14), said first filter (10) being disposed on a line between said power gear pump (1) and said lubrication motor (2); and/or the second filter (14) is arranged on a pipeline between the lubricating pump (4) and the power device (12).
9. The fracturing truck lubrication system according to claim 3, further comprising a first cooling device and a second cooling device, said first cooling device being arranged at one side of a pipeline between the power gear pump (1) and the lubrication motor (2), and/or said second cooling device being arranged at one side of a pipeline between the valve structure (6) and the hydraulic oil tank (5).
10. A fracturing truck comprising the fracturing truck lubrication system of any of claims 1 to 9, further comprising an engine (11) and a power plant (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121406544.XU CN215174027U (en) | 2021-06-23 | 2021-06-23 | Fracturing unit truck lubricating system and fracturing unit truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121406544.XU CN215174027U (en) | 2021-06-23 | 2021-06-23 | Fracturing unit truck lubricating system and fracturing unit truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215174027U true CN215174027U (en) | 2021-12-14 |
Family
ID=79382261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121406544.XU Active CN215174027U (en) | 2021-06-23 | 2021-06-23 | Fracturing unit truck lubricating system and fracturing unit truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215174027U (en) |
-
2021
- 2021-06-23 CN CN202121406544.XU patent/CN215174027U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3260444A (en) | Compressor control system | |
| US8528594B2 (en) | Hydraulic system with leakage fluid removal | |
| JP2017110517A (en) | Screw fluid machine | |
| KR101501977B1 (en) | Turbo compressor | |
| CN215174027U (en) | Fracturing unit truck lubricating system and fracturing unit truck | |
| CN204783685U (en) | Horizontal sliding vane compressor and air conditioner | |
| CN112145414B (en) | Vacuum roots pump | |
| JP6511321B2 (en) | Refueling displacement compressor | |
| CN211737974U (en) | Lubricating and cooling system for rotary speed reducer of horizontal directional drilling machine | |
| CN204572107U (en) | Integrated form lubricating fitting and the aeroengine containing this device | |
| CN208381271U (en) | A kind of reduction gearbox lubricating and cooling system of water ring vacuum pump | |
| CN215949822U (en) | Oil injection screw vacuum pump | |
| CN103174641A (en) | Integrated fully-sealed type refrigeration gear pump | |
| CN106856794B (en) | A kind of Hynautio-steering and peanut combine | |
| CN1928364A (en) | Hydraulic engine gear pump | |
| CN201884915U (en) | Engine oil pump with double oil outlets | |
| CN113167278B (en) | Screw compressor | |
| CN103967782A (en) | Bidirectional three-gear pump | |
| CN203517268U (en) | Oil pump | |
| CN103541897B (en) | Case outer support rotary piston pump | |
| CN207609647U (en) | Double-clutch automatic gearbox hydraulic oil supply system and motor vehicle | |
| CN207406482U (en) | A kind of oil pump for automatic transmission of automobile | |
| CN102128165A (en) | Dual-oil inlet hydraulic gear pump | |
| CN200989300Y (en) | Hydraulic electric machine internal engaging gear pump | |
| CN210769299U (en) | Composite double-screw vacuum pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |