Fracturing fluid filling device

Abstract

The utility model relates to the technical field of fracturing fluid conveying devices, and particularly discloses a fracturing fluid filling device. The fracturing fluid filling device comprises a tank body used for storing fracturing fluid; the rotating shaft is rotatably arranged in the tank body; the lifting shaft is arranged in the rotating shaft and can slide in the axial direction of the rotating shaft; one end of the stirring rod is rotatably arranged on the lifting shaft and can rotate in a plane parallel to the rotating shaft, and the other end of the stirring rod penetrates through the rotating shaft and extends towards the inner wall surface of the tank body; the driving assembly is used for driving the rotating shaft to rotate; the guide assembly is used for guiding the lifting shaft to do reciprocating sliding motion in the axial direction of the rotating shaft; the pump body communicates with the tank body and is used for outputting fracturing fluid; in the rotating process of the rotating shaft, the lifting shaft can be guided to slide back and forth in the axial direction of the rotating shaft, so that the stirring rod is driven to rotate back and forth in the plane parallel to the rotating shaft, the stirring rod can stir fracturing fluid stored in the tank body at different horizontal heights, and it is guaranteed that the concentration of the fracturing fluid output by the pump body is balanced.

Description

Technical Field

[0001] The utility model relates to the technical field of fracturing fluid conveying devices, in particular to a fracturing fluid filling device. Background Art

[0002] Fracturing fluid refers to a heterogeneous and unstable chemical system formed by a variety of additives in a certain ratio. It is the working fluid used for fracturing and transformation of oil and gas layers. It is widely used in the exploitation of oil wells in oil fields. The fracturing fluid needs to be injected into the ground through filling equipment.

[0003] For example, Chinese patent CN202223168216.8 provides a fracturing fluid filling equipment including a stirring tank, an explosion-proof control cabinet, a bracket and a conveying assembly. A stabilizing assembly is arranged inside the stirring tank, and the stabilizing assembly includes an explosion-proof motor and a lifting shaft. The explosion-proof motor is installed at the top of the stirring tank, and the lifting shaft is rotatably connected to the inner top wall of the stirring tank. The top of the lifting shaft observes the stirring tank and is connected to the output end of the explosion-proof motor. The outside of the lifting shaft is connected to a stirring blade, and the bottom end of the lifting shaft is connected to a driving gear. The inner side wall of the stirring tank is symmetrically rotatably connected to a rotating shaft, and a tumbling plate is arranged on the outer sleeve of the rotating shaft. One end of the rotating shaft is connected to a transmission gear, and the transmission gear is meshed with the driving gear.

[0004] In the above technical solution, the tumbling plate is driven to rotate by gear transmission, and the lateral stirring of the stirring blade is coordinated to increase the coverage of the fracturing fluid stirring, and the temperature of the fracturing fluid is controlled by the temperature controller, thereby improving the stirring effect of the fracturing fluid, reducing the concentration difference of the fracturing fluid, and ensuring the stable performance of the fracturing fluid.

[0005] However, in the above technical solution, the stirring blades are fixedly arranged on the lifting shaft, and the stirring blades can only stir the fracturing fluid at a fixed horizontal height, resulting in low stirring efficiency. Utility Model Content

[0006] In view of the above problems, the utility model provides a fracturing fluid filling device, the purpose of which is to improve the stirring efficiency of fracturing fluid storage.

[0007] In order to achieve the above-mentioned invention object, the technical solution adopted by the utility model is as follows:

[0008] A fracturing fluid filling device is provided, comprising: a tank body for storing fracturing fluid; a rotating shaft rotatably arranged in the tank body; a lifting shaft arranged in the rotating shaft and capable of sliding along the axial direction of the rotating shaft; a stirring rod, one end of which is rotatably arranged on the lifting shaft and capable of rotating in a plane parallel to the rotating shaft, and the other end of which passes through the rotating shaft and extends toward the inner wall surface of the tank body; a driving component for driving the rotating shaft to rotate; a guiding component for guiding the lifting shaft to perform reciprocating sliding motion along the axial direction of the rotating shaft, thereby driving the stirring rod to reciprocate in a plane parallel to the rotating shaft; and a pump body connected to the tank body and used for outputting fracturing fluid.

[0009] Furthermore, the driving assembly includes: a driving motor installed on the tank body; a driving gear arranged on the output shaft of the driving motor; a driven gear arranged on the stirring rod, and the driving gear and the driven gear are meshed and installed.

[0010] Furthermore, the guide assembly includes: a driving disk, which is arranged on the lifting shaft; a telescopic component and a supporting component, which are symmetrically arranged on both sides of the driving disk along the axial direction of the rotating shaft and abut against the driving disk; a guide ring, which is arranged on the driving disk, and an arc track is arranged on the guide ring, and one end of the supporting component can be slidably arranged in the arc track.

[0011] Furthermore, the guide assembly also includes: a mounting frame, which is arranged on the tank body; wherein the telescopic component includes: a main body and a slide rod, the slide rod is slidably arranged in the main body, and the main body is arranged on the mounting frame; an elastic component is arranged in the main body and extends toward the driving disk; an abutment disk is arranged on the slide rod; and a plurality of balls are rollably arranged on the abutment disk for abutting the driving disk.

[0012] Furthermore, the device also includes: a spherical block, which is arranged on the supporting component and is slidably located in the arc track.

[0013] Furthermore, the device also includes: an installation shaft, one end of which is hingedly arranged in the lifting shaft, and the other end passes through the rotating shaft to connect the stirring rod; a counterweight block is arranged at the end of the stirring rod away from the installation shaft.

[0014] The beneficial effects of the utility model are as follows: in the utility model, a driving assembly is provided, which can drive the rotating shaft to rotate, thereby driving the stirring rod to stir the fracturing fluid stored in the tank body; a guiding assembly is also provided, which can guide the lifting shaft to make reciprocating sliding motion along the axial direction of the rotating shaft during the rotation of the rotating shaft, thereby driving the stirring rod to reciprocate in a plane parallel to the rotating shaft, which can effectively increase the coverage area of ​​the stirring rod in the plane parallel to the rotating shaft, and the stirring rod can stir the fracturing fluid stored in the tank body at different horizontal heights, thereby improving the stirring efficiency, preventing the precipitation of additives in the fracturing fluid, and ensuring that the concentration of the fracturing fluid output by the pump body is balanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the overall structure of the filling device provided in an embodiment of the present application.

[0016] Figure 2 for Figure 1 A partial enlarged schematic diagram of part A.

[0017] Figure 3 for Figure 2 A partial enlarged schematic diagram of part B.

[0018] Among them, 1. tank body; 2. rotating shaft; 3. lifting shaft; 4. stirring rod; 51. driving motor; 52. driving gear; 53. driven gear; 61. driving disk; 62. telescopic component; 621. main body; 622. sliding rod; 623. elastic component; 624. abutment disk; 625. ball; 63. supporting component; 631. spherical block; 64. guide ring; 65. mounting frame; 71. mounting shaft; 72. counterweight block; 8. pump body. DETAILED DESCRIPTION

[0019] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] Reference Figure 1 As shown, an embodiment of the present application discloses a fracturing fluid filling device, comprising: a tank body 1, for storing fracturing fluid; a rotating shaft 2, rotatably arranged in the tank body 1; a lifting shaft 3, arranged in the rotating shaft 2, and capable of sliding along the axial direction of the rotating shaft 2; a stirring rod 4, one end of which is rotatably arranged on the lifting shaft 3, and can rotate in a plane parallel to the rotating shaft 2, and the other end passes through the rotating shaft 2 and extends toward the inner wall surface of the tank body 1; a driving component, for driving the rotating shaft 2 to rotate; a guiding component, for guiding the lifting shaft 3 to make a reciprocating sliding motion along the axial direction of the rotating shaft 2, so as to drive the stirring rod 4 to reciprocate in a plane parallel to the rotating shaft 2; a pump body 8, connected to the tank body 1, for outputting fracturing fluid.

[0021] In the utility model, a driving assembly is provided, which can drive the rotating shaft 2 to rotate, thereby driving the stirring rod 4 to stir the fracturing fluid stored in the tank body 1; a guiding assembly is also provided, which can guide the lifting shaft 3 to make reciprocating sliding motion along the axial direction of the rotating shaft 2 during the rotation of the rotating shaft 2, thereby driving the stirring rod 4 to reciprocate in a plane parallel to the rotating shaft 2, which can effectively increase the coverage area of ​​the stirring rod 4 in the plane parallel to the rotating shaft 2, and the stirring rod 4 can stir the fracturing fluid stored in the tank body 1 at different horizontal heights, thereby improving the stirring efficiency, preventing the precipitation of additives in the fracturing fluid, and ensuring that the concentration of the fracturing fluid output by the pump body 8 is balanced.

[0022] It can be understood that the pump body 8 can be any delivery pump capable of delivering liquid.

[0023] Reference Figure 2 As shown, the driving assembly includes: a driving motor 51, which is installed on the tank body 1; a driving gear 52, which is arranged on the output shaft of the driving motor 51; a driven gear 53, which is arranged on the stirring rod 4, and the driving gear 52 and the driven gear 53 are meshed and installed. The output shaft of the driving motor 51 can be rotated to drive the rotating shaft 2 and the lifting shaft 3 to rotate.

[0024] Furthermore, the guide assembly includes: a driving disk 61, which is arranged on the lifting shaft 3; a telescopic component 62 and a supporting component 63, which are symmetrically arranged on both sides of the driving disk 61 along the axial direction of the rotating shaft 2 and abut against the driving disk 61; a guide ring 64, which is arranged on the driving disk 61, and an arc track is arranged on the guide ring 64, and one end of the supporting component 63 can be slidably arranged in the arc track.

[0025] During specific operation, the driving disk 61 rotates with the lifting shaft 3. During the rotation of the driving disk 61, the guide ring 64 can be driven to rotate. The telescopic component 62 on one side of the driving disk 61 presses down the driving disk 61 and abuts against the supporting component 63. During the rotation of the guide ring 64, the driving disk 61 can be guided to move up and down through the arc track, thereby driving the lifting rod to reciprocate along the axial direction.

[0026] Reference Figure 3 As shown, the device also includes: an installation shaft 71, one end of the installation shaft 71 is hingedly arranged in the lifting shaft 3, and the other end passes through the rotating shaft 2 to connect the stirring rod 4. During the reciprocating motion of the lifting rod in the axial direction, the installation shaft 71 can be dragged to contact the rotating shaft 2, so as to pry the stirring rod 4 to perform reciprocating rotation motion with the hinge axis as the center; a counterweight block 72 is arranged at one end of the stirring rod 4 away from the installation shaft 71, so as to increase the gravity of the end of the stirring rod 4, and under the action of the gravity of the counterweight block 72, the downward rotation speed of the stirring shaft is increased.

[0027] Specifically, the guide assembly also includes: a mounting frame 65, which is arranged on the tank body 1; wherein the telescopic component 62 includes: a main body 621 and a slide rod 622, the slide rod 622 is slidably arranged in the main body 621, and the main body 621 is arranged on the mounting frame 65; the elastic component 623, which can be a spring, is arranged in the main body 621 and extends toward the driving disk 61; by setting the telescopic component 62, the driving disk 61 can be elastically pressed down on the supporting component 63.

[0028] Specifically, a contact plate 624 is provided on the slide rod 622; a plurality of balls 625 are rollably provided on the contact plate 624 for contacting the drive plate 61; by providing the balls 625, the telescopic component 62 and the drive plate 61 can be brought into rolling contact to reduce friction.

[0029] Furthermore, the device also includes: a spherical block 631, which is arranged on the supporting component 63 and can be slidably located in the arc track. By arranging the spherical block 631 to abut the guide ring 64, the contact area between the supporting component 63 and the guide ring 64 can be reduced, thereby reducing friction.

[0030] It should be understood by those skilled in the art that, although preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they are aware of the basic creative concepts. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention. Obviously, those skilled in the art may make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the equivalent technology of the claims of the present invention, the present invention is also intended to include these modifications and variations.

Claims

1. A fracturing fluid filling device, characterized in that: include: A tank (1) for storing fracturing fluid; A rotating shaft (2) is rotatably disposed in the tank body (1); A lifting shaft (3) is arranged inside the rotating shaft (2) and is capable of sliding along the axial direction of the rotating shaft (2); A stirring rod (4), one end of which is rotatably arranged on the lifting shaft (3) and can rotate in a plane parallel to the rotating shaft (2), and the other end of which passes through the rotating shaft (2) and extends toward the inner wall surface of the tank body (1); A driving assembly, used for driving the rotating shaft (2) to rotate; A guide assembly, used for guiding the lifting shaft (3) to slide back and forth along the axial direction of the rotating shaft (2), thereby driving the stirring rod (4) to reciprocate in a plane parallel to the rotating shaft (2); The pump body (8) is connected to the tank body (1) and is used to output the fracturing fluid.

2. The fracturing fluid filling device according to claim 1, characterized in that: The drive components include: A driving motor (51) is mounted on the tank body (1); A driving gear (52) is arranged on the output shaft of the driving motor (51); The driven gear (53) is arranged on the stirring rod (4), and the driving gear (52) and the driven gear (53) are meshed and installed.

3. The fracturing fluid filling device according to claim 2, characterized in that: The boot components include: A driving disk (61) is arranged on the lifting shaft (3); The telescopic component (62) and the supporting component (63) are symmetrically arranged on both sides of the driving disk (61) along the axial direction of the rotating shaft (2) and abut against the driving disk (61); The guide ring (64) is arranged on the driving disk (61), and an arc track is arranged on the guide ring (64), and one end of the supporting component (63) is slidably arranged in the arc track.

4. The fracturing fluid filling device according to claim 3, characterized in that: The bootstrap components also include: A mounting frame (65) is arranged on the tank body (1); Wherein, the telescopic component (62) comprises: A main body (621) and a slide bar (622), wherein the slide bar (622) is slidably disposed in the main body (621), and the main body (621) is disposed on a mounting frame (65); An elastic component (623) is disposed in the main body (621) and extends toward the driving disk (61); An abutment plate (624) is disposed on the slide bar (622); A plurality of balls (625) are rollably disposed on the contact plate (624) and are used to contact the driving plate (61).

5. The fracturing fluid filling device according to claim 3, characterized in that: Also includes: spherical The block (631) is arranged on the supporting component (63) and is slidably located in the arc track.

6. The fracturing fluid filling device according to claim 1, characterized in that: Also includes: An installation shaft (71), one end of which is hingedly arranged in the lifting shaft (3), and the other end of which passes through the rotating shaft (2) and is connected to the stirring rod (4); The counterweight block (72) is arranged at one end of the stirring rod (4) away from the mounting shaft (71).

Images