CN219638990U - Electric drive fracturing equipment - Google Patents

Abstract

This application relates to an electric drive fracturing equipment, the electric drive fracturing equipment includes a plunger pump, a lubrication system and a power module, the lubrication system includes a hydraulic end lubrication system and a power end lubrication system, and the hydraulic end lubrication system is used for For lubricating the hydraulic end of the plunger pump, the power end lubrication system is used to lubricate the power end of the plunger pump; the power module is used to provide power to the plunger pump, and the power module includes The transmission part and at least two power parts, the output ends of the two power parts are connected with the input ends of the speed change part, and the output ends of the speed change part are connected with the plunger pump. The power module of the electric drive fracturing equipment uses two or more power parts as the power source, which can reduce the power of a single power part, and the volume and weight of the power parts are small, which solves the problem of the volume of the motor in the existing electric drive fracturing equipment And the larger gravity causes the problem that processing and manufacturing is more difficult.

Description

Electric drive fracturing equipment

technical field

The present application relates to the technical field of fracturing equipment, in particular to an electric-driven fracturing equipment.

Background technique

In view of the fact that global oil and gas development and production stimulation equipment is developing towards low energy consumption, low noise, and low emissions, traditional fracturing equipment powered by diesel engines has gradually been replaced by electric fracturing equipment due to its shortcomings such as large size, heavy weight, environmental protection, and uneconomical equipment replaced.

The existing electric drive fracturing equipment basically uses a motor to drive the plunger pump through transmission parts such as a transmission shaft or a coupling, and uses one motor to drive one plunger pump, or one motor to drive two plunger pumps, and the motor is controlled by frequency conversion equipment The change of the speed can realize the change of the speed of the plunger pump, and finally realize the change of the displacement of the electric drive fracturing equipment. This technical solution has a large power of the plunger pump of the electric drive fracturing equipment, and requires a large output power of a single motor, resulting in a very large volume and weight of the motor, which makes it difficult to manufacture.

Utility model content

The present application provides an electric-driven fracturing equipment to solve the problem that the volume and gravity of the motor in the existing electric-driven fracturing equipment are relatively difficult to manufacture due to the large volume.

The application provides an electric drive fracturing equipment, including:

plunger pump;

The lubrication system includes a fluid end lubrication system and a power end lubrication system, the fluid end lubrication system is used to lubricate the fluid end of the plunger pump, and the power end lubrication system is used to lubricate the plunger pump power end lubrication; and

A power module, used to provide power to the plunger pump, the power module includes a transmission and at least two power components, the output ends of the two power components are connected to the input ends of the transmission, and the transmission The output end of the component is connected with the plunger pump.

In a possible implementation manner, the transmission part further includes a connected transmission main part and a transmission sub-unit, at least two of the transmission sub-units are provided, and each of the transmission sub-units and each of the power parts One-to-one correspondence connection, the input end of the transmission assembly is connected to the output end of each of the transmission sub-assemblies, and the output end of the transmission assembly is connected to the plunger pump.

In a possible implementation manner, the transmission part is provided as an integral structure, or each of the power parts and each of the transmission parts is provided as an integral structure, or the speed change part is connected to the power part It is provided as an integral structure, or any set of connected shifting parts and the power part is provided as an integral structure.

In a possible implementation manner, any number of the connected transmission parts and the power parts are integrally configured to form a sub-power module, and the output ends of the sub-power modules are the It is a whole that is connected with the transmission sub-components, and the output end of the sub-power module is connected with the input end of the transmission assembly.

In a possible implementation manner, the transmission part further includes a connected transmission assembly and a transmission sub-unit, at least two of the power parts are connected to the input end of the transmission sub-unit, and the transmission sub-unit The output end is connected with the transmission assembly.

In a possible implementation manner, the power member and the transmission member are configured as an integral structure, or the power member and the transmission member are configured as separate structures.

In a possible implementation manner, a cooling system is further included, and the cooling system is used for cooling the power module.

In a possible implementation manner, the cooling system includes a cooling medium and a power driving part, and cooling passages for the cooling medium to circulate are formed in the power part and the transmission part, and the power driving part uses In order to drive the circulating flow of the cooling medium, the cooling channel communicates with the outside air to exchange heat for the cooling medium through the outside air.

In a possible implementation manner, the cooling system further includes a cooler communicated with the cooling channel, and the cooler is configured to perform heat exchange on the cooling medium.

In a possible implementation manner, the cooling system further includes a temperature control module, the temperature control module is configured to detect the temperature of the cooling medium, so that the cooling passage selectively communicates with the cooler.

Compared with the prior art, the above-mentioned technical solutions provided by the embodiments of the present application have the following advantages:

The electric drive fracturing equipment provided in this embodiment lubricates the hydraulic end of the plunger pump through the hydraulic end lubrication system, and lubricates the power end of the plunger pump through the power end lubrication system. The power module includes at least two power parts. At least two power parts are used to provide a power source for the plunger pump. When the power of the plunger pump remains unchanged, setting more power parts can reduce the output power of a single power part and reduce the volume and weight of a single power part. Facilitate the processing and manufacturing of power parts. At the same time, due to the low input speed of the plunger pump, the output speed of the power part is low, and the efficiency of the low-speed power part is low. The technical solution provided by this application can reduce the output power of a single power part and ensure the efficiency of the power part. . In addition, the speed change part is connected to the power part, and the speed change part is used to adjust the speed of the power part, so as to realize the change of the speed of the plunger pump, and finally realize the change of the displacement of the electric drive fracturing equipment, and the speed change part can realize the increase of the speed of the power part , The efficiency of using high-speed power parts is higher.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description serve to explain the principles of the application.

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, In other words, other drawings can also be obtained from these drawings without paying creative labor.

One or more embodiments are exemplified by the pictures in the corresponding drawings, and these exemplifications do not constitute a limitation to the embodiments. Elements with the same reference numerals in the drawings represent similar elements. Unless otherwise stated, the drawings in the drawings are not limited to scale.

Fig. 1 is a schematic structural diagram of an electric drive fracturing equipment provided in an embodiment of the present application;

Fig. 2 is an axial schematic diagram of an electric drive fracturing equipment provided in the embodiment of the present application;

Fig. 3 is a schematic diagram of an electric drive fracturing equipment provided in the embodiment of the present application;

Fig. 4 is a schematic structural diagram of a power module in an electric drive fracturing equipment provided in an embodiment of the present application;

Fig. 5 is an axial schematic diagram of a power module in an electric drive fracturing equipment provided in an embodiment of the present application;

Fig. 6 is a connection schematic diagram of a power module in an electric drive fracturing equipment provided in an embodiment of the present application;

Fig. 7 is a schematic diagram (1) of a power module in an electric drive fracturing equipment provided by an embodiment of the present application;

Fig. 8 is a schematic diagram (2) of a power module in an electric drive fracturing equipment provided in an embodiment of the present application;

Fig. 9 is a schematic diagram (3) of a power module in an electric-driven fracturing equipment provided in an embodiment of the present application;

Fig. 10 is a schematic diagram (4) of a power module in an electric drive fracturing equipment provided in an embodiment of the present application;

Fig. 11 is a schematic diagram (5) of a power module in an electric drive fracturing equipment provided in an embodiment of the present application;

Fig. 12 is a schematic diagram (6) of a power module in an electric drive fracturing equipment provided in an embodiment of the present application;

Fig. 13 is a schematic diagram (7) of a power module in an electric drive fracturing equipment provided in an embodiment of the present application;

Fig. 14 is a schematic diagram (8) of a power module in an electric drive fracturing equipment provided in the embodiment of the present application;

Fig. 15 is a schematic diagram (9) of a power module in an electric drive fracturing equipment provided in an embodiment of the present application;

Fig. 16 is a schematic diagram (1) of a cooling system in an electric drive fracturing equipment provided in an embodiment of the present application;

Fig. 17 is a schematic diagram (2) of a cooling system in an electric drive fracturing equipment provided in an embodiment of the present application;

Fig. 18 is a schematic diagram (3) of the cooling system in an electric drive fracturing equipment provided by the embodiment of the present application;

Fig. 19 is a schematic diagram (4) of a cooling system in an electric drive fracturing equipment provided in an embodiment of the present application;

Fig. 20 is a schematic diagram (5) of a cooling system in an electric drive fracturing equipment provided in an embodiment of the present application;

Fig. 21 is a schematic diagram (6) of a cooling system in an electric drive fracturing equipment provided in an embodiment of the present application;

Fig. 22 is a schematic diagram (7) of a cooling system in an electric drive fracturing equipment provided in an embodiment of the present application;

Fig. 23 is a schematic diagram (8) of a cooling system in an electric drive fracturing equipment provided in the embodiment of the present application;

Fig. 24 is a schematic diagram (9) of a cooling system in an electric drive fracturing equipment provided in an embodiment of the present application;

Fig. 25 is a schematic diagram (10) of the cooling system in an electric drive fracturing equipment provided by the embodiment of the present application;

Fig. 26 is a schematic diagram (11) of the cooling system in an electric drive fracturing equipment provided by the embodiment of the present application;

Fig. 27 is a schematic diagram (12) of the cooling system in an electric drive fracturing equipment provided by the embodiment of the present application;

Fig. 28 is a schematic diagram (1) of the air cooling system in an electric drive fracturing equipment provided in the embodiment of the present application;

Fig. 29 is a schematic diagram (2) of the air cooling system in an electric drive fracturing equipment provided in the embodiment of the present application;

Fig. 30 is a schematic diagram (3) of the air cooling system in an electric drive fracturing equipment provided in the embodiment of the present application;

Fig. 31 is a schematic diagram (4) of the air cooling system in an electric drive fracturing equipment provided in the embodiment of the present application;

Fig. 32 is a schematic diagram (5) of the air cooling system in an electric drive fracturing equipment provided in the embodiment of the present application;

Fig. 33 is a schematic diagram (6) of an air-cooling system in an electric-driven fracturing equipment provided in an embodiment of the present application.

Explanation of reference signs:

1. Piston pump; 2. Power end lubrication system; 3. Fluid end lubrication system; 4. High pressure pipe assembly; 5. Low pressure pipe assembly;

6. Power module; 61. Power part; 62. Speed change part;

7. Cooling system; 71. Power driver; 72. Cooler; 73. Temperature control module; 74. Fan.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.

The following disclosure provides many different embodiments or examples for implementing different structures of the present application. To simplify the disclosure of the present application, components and arrangements of specific examples are described below. Of course, they are examples only and are not intended to limit the application. Furthermore, the application may repeat reference numbers and/or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed.

For the convenience of description, spatial relative terms may be used herein to describe the relative positional relationship or movement of one element or feature as shown in the figure relative to another element or feature. These relative terms are, for example, "inside", " Outside", "Inside", "Outside", "Below", "Below", "Above", "Above", "Front", "Back", etc. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the position of the device in the figure is reversed or the posture changes or the motion state changes, then these directional indications also change accordingly, for example: described as "below other elements or features" or "below other elements Elements that are below" or features will then be oriented "on" or "above" the other elements or features. Thus, the example term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In order to solve the problem that the electric drive fracturing equipment in the prior art uses one motor to drive one plunger pump, or one motor to drive two plunger pumps, resulting in a large output power of a single motor, which makes the volume and weight of the motor very large. A technical problem that is difficult to process and manufacture; the application provides an electric drive fracturing equipment, which can reduce the power of a single motor, the volume and weight of the motor are small, and the process and manufacture are less difficult.

Referring to Fig. 1-Fig. 7, the embodiment of the present application provides an electric drive fracturing equipment, including:

plunger pump 1;

The lubrication system includes a fluid end lubrication system 3 and a power end lubrication system 2, the fluid end lubrication system 3 is used for lubricating the fluid end of the plunger pump 1, and the power end lubrication system 2 is used for The power end of the plunger pump 1 is lubricated; and

The power module 6 is used to provide power to the plunger pump 1. The power module 6 includes a transmission part 62 and at least two power parts 61. The output ends of the two power parts 61 are connected to the transmission parts 62. The input end is connected, and the output end of the transmission member 62 is connected with the plunger pump 1 .

The fluid end of the plunger pump 1 is lubricated through the fluid end lubrication system 3, and the power end of the plunger pump 1 is lubricated through the power end lubrication system 2. The power module 6 includes at least two power parts 61, and through at least two power parts 61 In order to provide a power source for the plunger pump 1, under the condition that the power of the plunger pump 1 remains unchanged, setting more power parts 61 can reduce the output power of a single power part 61, reduce the volume and weight of a single power part 61, It facilitates the processing and manufacturing of the power part 61 . At the same time, due to the low input speed of the plunger pump 1, the output speed of the power part 61 is low, and the efficiency of using a low-speed power part 61 is low. However, the technical solution provided by this application can reduce the output power of a single power part 61 to ensure The efficiency of the power member 61. In addition, the transmission member 62 is connected to the power member 61, and the speed change member 62 is used to adjust the speed of the power member 61, so as to realize the change of the speed of the plunger pump 1, and finally realize the change of the displacement of the electric drive fracturing equipment. The speed change member 62 can To realize the improvement of the rotating speed of the power part 61, the efficiency of adopting the high-speed power part 61 is higher.

Referring to Fig. 6, for example, in this application, the power part 61 adopts a motor, and the motor is used as a power source to realize the operation of the plunger pump 1, and the motor is connected to the plunger pump 1 through a transmission part to realize the normal operation of the electric drive fracturing equipment , the transmission components include transmission shafts or couplings, etc., and the motor controls the change of the rotational speed through the transmission part 62. Of course, in actual use, the power part 61 can also adopt other structures that can drive the plunger pump 1 to work. This embodiment is here No longer. The transmission part 62 includes a gearbox or a reduction box. In this application, the transmission part 62 adopts a gearbox. The output end of the motor is connected with the input end of the gearbox through splines or gears or flat keys or flanges to drive the gearbox to work. , the gearbox has a speed reduction function, which can reduce the high speed input by the motor through the gear structure inside the gearbox and output it to the plunger pump 1 to meet the input speed requirements of the plunger pump 1, and output the motor through the gearbox The lower torque is boosted and output to the plunger pump 1 to meet the higher input torque requirement of the plunger pump 1; and the output end of the gearbox can be connected to the input of the plunger pump 1 through splines, flanges or flat keys. Therefore, when there are at least two motors, the output ends of the multiple motors are connected to the input ends of the gearbox, and the output ends of the gearbox are connected to the input end of the plunger pump 1.

Referring to Fig. 7 and Fig. 8, the power part 61 and the transmission part 62 are provided as an integral structure, or the power part 61 and the transmission part 62 are arranged in a separate structure; that is, a plurality of power parts 61 and transmission parts 62 is provided as an integral structure, or each power member 61 and the gearbox are separate parts, and are connected as a whole through subsequent electrical connections.

Referring to Fig. 9-Fig. 13 and Fig. 4, of course, there may be multiple shifting parts 62, and the multiple shifting parts 62 are connected to a plurality of power parts 61 in one-to-one correspondence, so that each power part 61 can be respectively connected with a shifting part. The gears 62 are used to adjust the speed of the power gear 61 in a targeted manner, and the output end of each speed gear 62 is connected to the input end of the plunger pump 1 .

Referring to Fig. 1-Fig. 4, in this application, the electric drive fracturing equipment also includes a high-pressure pipe assembly 4 and a low-pressure pipe assembly 5, and the high-pressure pipe assembly 4 and the low-pressure pipe assembly 5 are connected to the plunger pump 1 , wherein the low-pressure pipes are aggregated into 5 for liquid filling, and the high-pressure pipes are aggregated into 4 for discharge.

Referring to Figures 9-13, the shifting member 62 also includes a connected shifting assembly and a shifting sub-piece, at least two of which are provided, and each of the shifting parts and each of the power parts 61 One-to-one correspondence connection, the input end of the transmission assembly is connected to the output end of each of the transmission sub-assemblies, and the output end of the transmission assembly is connected to the plunger pump 1 . The output terminals of each variable speed sub-component are aggregated and connected through the speed change assembly, and at the same time, output can be realized after reducing the speed or outputting without adjusting the speed or after increasing the speed. For the convenience of understanding, in the drawings of the present application, four motors are provided as an example, so as to show the specific connection mode of each motor in detail.

7-15, the power module 6 is provided as an integral structure, or the transmission member 62 is provided as an integral structure, or each of the power members 61 and each of the transmission sub-parts is provided as an integral structure, or the The speed change subunit and the connected power part 61 are provided as an integral structure, or any group of connected speed change subparts and the power part 61 is provided as an integral structure.

Referring to Fig. 7-Fig. 13, any number of connected shift parts and the power part 61 are integrally arranged to form a sub-power module 6, and the output end of the sub-power module 6 is the The whole body connected with the transmission sub-component, the output end of the sub-power module 6 is connected with the input end of the transmission assembly.

Referring to Fig. 14 and Fig. 15, the speed change member 62 also includes a connected speed change assembly and a speed change sub-piece, at least two of the power parts 61 are connected to the input end of the speed change sub-piece, and the speed change sub-piece The output end is connected with the transmission assembly.

1-3, the electric drive fracturing equipment provided by the embodiment of the present application further includes a cooling system 7 for cooling the power module 6; the cooling system 7 includes an air cooling system or a water cooling system.

Referring to Figures 28-33, the air cooling system includes a fan 74, which drives the flow of air through the rotation of the fan, thereby driving the heat of the motor and the gearbox. Exemplarily, one fan 74 may be provided, and the motor and the gearbox are cooled by one fan 74 . Wherein, the motor and the gearbox are arranged successively on the blowing direction of the fan 74, or the gearbox and the motor are arranged successively on the blowing direction of the fan 74; The gearbox cools down and dissipates heat. Of course, the fan 74 can also be provided with at least two, at least one fan 74 is set corresponding to the motor, so that the wind blown by the fan 74 can cool the motor; at least one fan 74 is corresponding to the gearbox, so that the fan The wind blown by 74 can cool down the gearbox to ensure the cooling effect.

However, when the power module 6 is cooled by the air cooling system, in order to ensure the flow of air to drive the internal heat of the motor, a large air volume is required at this time, and the motor cannot achieve a high protection level, and it is easy to appear during cooling. Water vapor, moisture, dust, etc. enter the interior of the motor, resulting in a decrease in the insulation resistance of the motor, and the equipment cannot function normally. Therefore, in the electric drive fracturing equipment provided in this application, the cooling system 7 adopts a water cooling system.

16-21, the cooling system 7 includes a cooling medium and a power drive member 71, the power drive member 61 and the transmission member 62 are formed with cooling passages for the cooling medium to circulate, the power drive The component 71 is used to drive the circulating flow of the cooling medium, and the cooling channel communicates with the outside air to exchange heat for the cooling medium through the outside air. Cooling medium can be gear oil or clean water or antifreeze etc., and power drive member 71 adopts gear pump or centrifugal pump etc., and gear pump or centrifugal pump etc. can be driven by motor or pneumatic pump or hydraulic pump etc. mode. The cooling medium flows through the motor or gearbox to take away the internal heat of the motor, causing the temperature of the cooling medium to rise. After flowing out from the inside of the motor or gearbox, the cooling medium can exchange heat with the external air, and the external air takes away the heat of the cooling medium Thereby reducing the temperature of the cooling medium. With the water-cooling method, the whole motor can adopt a fully enclosed design to achieve a high protection level, which can completely prevent water vapor, moisture, dust, etc. from entering the motor, and is more suitable for the harsh operating environment of the oil field.

The cooling system 7 also includes a cooler 72 communicated with the cooling channel, and the cooler 72 is used for exchanging heat with the cooling medium. The cooling medium of the motor is connected to the cooler 72 through the motor inlet and outlet. After the cooling medium enters the cooler 72, it exchanges heat with the outside air in the cooler 72 to reduce the temperature of the cooling medium, and the cooled cooling medium enters again The motor interior cools the motor interior. Through the setting of the cooler 72, after flowing out from the inside of the motor or the gearbox, it enters the cooler 72, and the cooling medium with a lower temperature flows out of the cooler 72 again and enters the inside of the motor or the gearbox, and takes away the internal heat of the motor again, finally Make sure that components such as the internal windings of the motor or gearbox components are within the normal temperature range.

23-27, the cooling system 7 further includes a temperature control module 73, the temperature control module 73 is used to detect the temperature of the cooling medium, so that the cooling passage selectively communicates with the cooler 72; In this application, there is no limitation on the connection relationship between the temperature control module 73 and the cooler 72 , as long as the cooling medium is selectively connected to the cooler 72 . The temperature control module 73 can automatically determine whether the cooling medium passes through the cooler 72 according to the temperature of the cooling medium, so as to improve the energy utilization rate of the equipment; the fan of the cooler 72 can automatically judge whether to rotate according to the temperature of the cooling medium, and control the rotation speed.

It should be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may also be meant to include the plural forms unless the context clearly dictates otherwise. The terms "comprising", "comprising", "containing" and "having" are inclusive and thus indicate the presence of stated features, steps, operations, elements and/or parts but do not exclude the presence or addition of one or Various other features, steps, operations, elements, components, and/or combinations thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is specifically indicated. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be referred to as These terms are limited. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

The above descriptions are only specific implementation manners of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims (10)

1. An electrically driven fracturing device, comprising:

a plunger pump;

the lubrication system comprises a hydraulic end lubrication system and a power end lubrication system, wherein the hydraulic end lubrication system is used for lubricating the hydraulic end of the plunger pump, and the power end lubrication system is used for lubricating the power end of the plunger pump; and

the power module is used for providing power for the plunger pump, the power module comprises a speed changing piece and at least two power pieces, the output ends of the two power pieces are connected with the input end of the speed changing piece, and the output end of the speed changing piece is connected with the plunger pump.

2. The electrically driven fracturing apparatus of claim 1, wherein said speed change member further comprises a speed change assembly and a speed change sub-member connected, said speed change sub-member is provided with at least two, and each said speed change sub-member is connected to each said power member in a one-to-one correspondence, an input of said speed change assembly is connected to an output of each said speed change sub-member, and an output of said speed change assembly is connected to said plunger pump.

3. The electrically driven fracturing apparatus of claim 2, wherein said speed change members are integrally formed, or each said power member and each said speed change member are integrally formed, or said speed change member is integrally formed with said power member to which it is connected, or any group of said speed change members and said power member to which it is connected are integrally formed.

4. The electrically driven fracturing apparatus of claim 2 wherein any number of said speed change components connected to said power components are integrally configured to form a transfer case module, an output of said transfer case module being integral with each said speed change component within the module, an output of said transfer case module being connected to an input of said speed change master.

5. The electrically driven fracturing apparatus of claim 1 wherein said shift member further comprises a shift master member and a shift subassembly connected, said shift subassembly having an input end connected to at least two of said power members and an output end connected to said shift master member.

6. The electrically driven fracturing apparatus of any of claims 1-5, wherein said power member and said transmission member are integrally configured or said power member and said transmission member are separately configured.

7. The electrically driven fracturing apparatus of claim 6, further comprising a cooling system for cooling the power module.

8. The electrically driven fracturing apparatus of claim 7, wherein said cooling system comprises a cooling medium and a power driving member, said power member and said speed change member each having a cooling passage formed therein for circulating said cooling medium, said power driving member for driving a circulation flow of said cooling medium, said cooling passage being in communication with ambient air for exchanging heat with said cooling medium by said ambient air.

9. The electrically driven fracturing apparatus of claim 8, wherein said cooling system further comprises a cooler in communication with said cooling channels, said cooler to exchange heat with said cooling medium.

10. The electrically driven fracturing apparatus of claim 9, wherein said cooling system further comprises a temperature control module for detecting a temperature of said cooling medium to selectively communicate said cooling channels to said cooler.