Self-elevating electric fracturing sledge

Abstract

The utility model relates to the technical field of oil and gas drilling equipment, and discloses a self-elevating electric fracturing sledge which comprises a base, a motor is fixedly connected to the right side of the top of the base, a cooling water tank is fixedly connected to the output end of the motor, and a fracturing pump is fixedly connected to the left side of the outer wall of the cooling water tank. The top of the outer wall of the fracturing pump communicates with a connecting pipe, the other end of the telescopic frame is rotationally connected to one side of the outer wall of a second rotating frame, fixing legs are rotationally connected to one side of the outer wall of the second rotating frame and one side of the outer wall of the first rotating frame correspondingly, and fixing mechanisms are slidably connected to the four corners of the bottom of the base correspondingly. The fixing mechanism is used for improving the road holding force of the equipment. The motor drives the fracturing sledge and the hydraulic push rod to work and drives the connecting rod, the telescopic frame and the rotating frame to drive the fixed legs to move, the situation that a stable state is difficult to achieve under the condition that different conditions are complex is conveniently coped, and machining risks caused by shaking of equipment in the working process are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil and gas drilling equipment technical field especially, relates to a kind of self-elevating electric fracturing sled. BACKGROUND

[0002] Oilfield fracturing is an important technical means for improving oil well production, using ground high-pressure pump set, high viscous liquid is injected into well with greatly exceeding formation absorption capacity, high pressure is built up near well bottom, when this pressure is greater than the minimum principal stress of formation near well wall and tensile strength of rock, formation will be pressed open, forming crack, proppant is injected into crack, so that crack remains open state, thereby increasing the passage of oil and gas from formation to wellbore, improving oil and gas well production and recovery.

[0003] Self-elevating electric fracturing sled is a kind of equipment that combines electric drive technology and self-elevating structure for oilfield fracturing operation, with self-elevating structure, equipped with liftable support system, so that fracturing sled can keep stable working state by adjusting its height under different well site topography and operating conditions, adapt to various complex ground environments, ensure the smooth progress of fracturing operation, but in the existing self-elevating electric fracturing sled, in the face of some complex terrain conditions, the transportation and installation and running process of equipment will be greatly limited, it is difficult to reach stable state, resulting in processing risk caused by equipment shaking in working project, further leading to safety hazard in construction process. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a kind of self-elevating electric fracturing sled, to improve the problem that in the face of some complex terrain conditions in prior art, it is difficult to reach stable state, resulting in processing risk caused by equipment shaking in working project.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: A self-elevating electric fracturing skid, including the base, the top right side of base is fixedly connected with motor, the output of motor is fixedly connected with cooling water tank, the outer wall left side of cooling water tank is fixedly connected with fracturing pump, the outer wall top of fracturing pump is connected with the connecting pipe, the outer wall left and right sides of base are all fixedly connected with fixed frame, the inner wall middle part of two fixed frame is all fixedly connected with hydraulic push rod, the output of hydraulic push rod is fixedly connected with connecting rod, the outer wall front and back of connecting rod are all rotatably connected with telescopic frame, the outer wall middle part of telescopic frame is fixedly connected with spring, the top front and back of fixed frame are rotatably connected with rotating frame no.

[0006] Further description of the above technical scheme:

[0007] The fixed mechanism includes telescopic legs, the inner wall bottom of telescopic leg is slidably connected with fixed leg, the outer wall bottom of telescopic leg is fixedly connected with square frame, the inner wall middle part of square frame is rotatably connected with gear, the inner wall middle part of square frame is slidably connected with a plurality of racks, the gear is meshed with the rack, the outer wall one end of a plurality of racks is all fixedly connected with fixed jaw, the inner wall middle part of telescopic leg is penetrated with insertion pin.

[0008] Further description of the above technical scheme:

[0009] The inner wall middle part of insertion pin is penetrated with clamping needle, and the outer wall one end of insertion pin is fixedly connected with gasket.

[0010] Further description of the above technical scheme:

[0011] The outer wall top of square frame is fixedly connected with fixed plate, and the outer wall bottom of fixed plate is fixedly connected with wear-resistant pad.

[0012] Further description of the above technical scheme:

[0013] The outer wall top of connecting pipe is fixedly connected with fixed ring, and the outer wall front and back end of fixed ring is all threadedly connected with bolt one.

[0014] Further description of the above technical scheme:

[0015] The bottom four corners of fracturing pump are all fixedly connected with supporting leg, and the outer wall top of supporting leg is all threadedly connected with bolt two.

[0016] As a further description of the above technical solutions:

[0017] The outer wall of the fracturing pump is fixedly connected with a reducing pipe, and the outer wall of the reducing pipe is threadedly connected with bolts three.

[0018] As a further description of the above technical solutions:

[0019] The outer wall of the fixed frame is provided with a screw, and the inner wall of the screw is threadedly connected with a connecting hole.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1. In the utility model, the motor drives the fracturing skid, the motor rotates to drive the fractivating pump to work through the transmission device, the fractivating pump injects liquid high pressure into the ground through the connecting pipe, improves the oil and gas exploitation efficiency, adjusts the height of the fractivating skid, the hydraulic push rod works, drives the connecting rod and telescopic frame, the spring provides buffering and shock absorption, the rotating frame drives the fixed leg to move, realizes the overall lifting and lowering of the fractivating skid, ensures the stability under different terrains and operating conditions, conveniently copes with the situation that it is difficult to reach the stable state under different conditions, avoids the shaking of equipment in the working process to produce the processing risk.

[0022] 2. In the utility model, the telescopic leg slides in the inner wall bottom of the fixed leg to adapt to different ground and height requirements, the pin fixed telescopic leg ensures the stability of the fractivating skid, the square frame is located at the outer wall bottom of the telescopic leg, the rotating gear makes the rack slide in the frame, drives the fixed claw to expand outward and insert into the ground, increases the friction and stability, when needing to move, reversely rotates the gear to make the fixed claw contract, facilitates the movement and adjustment of the fractivating skid. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A perspective view of a self-elevating electric fracturing skid is provided for the utility model;

[0024] Figure 2 A top view of a self-elevating electric fracturing skid is provided for the utility model;

[0025] Figure 3 A partial structure schematic view of a self-elevating electric fracturing skid is provided for the utility model;

[0026] Figure 4 A partial structure split view of a self-elevating electric fracturing skid is provided for the utility model;

[0027] Figure 5 A fixed mechanism split view of a self-elevating electric fracturing skid is provided for the utility model.

[0028] LEGEND:

[0029] 1, base; 2, fixed mechanism; 201, telescopic leg; 202, square frame; 203, gear; 204, rack; 205, fixed claw; 206, insertion pin; 3, motor; 4, cooling water tank; 5, fracturing pump; 6, connecting pipe; 7, fixed frame; 8, hydraulic push rod; 9, connecting rod; 10, rotating frame one; 11, telescopic frame; 12, spring; 13, rotating frame two; 14, fixed leg; 15, clamping pin; 16, gasket; 17, wear pad; 18, fixed plate; 19, fixed ring; 20, bolt one; 21, support leg; 22, bolt two; 23, reducing pipe; 24, bolt three; 25, screw; 26, connecting hole. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] With reference to Figure 1 , Figure 3 and Figure 4 , the utility model provides an embodiment: a self -elevating electric fracturing sled, including base 1, the top right side of base 1 is fixedly connected with motor 3, the output of motor 3 is fixedly connected with cooling water tank 4, the left side of the outer wall of cooling water tank 4 is fixedly connected with fracturing pump 5, the outer wall top of fracturing pump 5 is connected with connecting pipe 6, the outer wall left and right sides of base 1 are fixedly connected with fixed frame 7, the inner wall middle part of two fixed frame 7 is fixedly connected with hydraulic push rod 8, the output of hydraulic push rod 8 is fixedly connected with connecting rod 9, the outer wall front and back sides of connecting rod 9 are rotatably connected with telescopic frame 11, the outer wall middle part of telescopic frame 11 is fixedly connected with spring 12, the top front and back sides of fixed frame 7 are rotatably connected with rotating frame one 10, the bottom front and back sides of fixed frame 7 are rotatably connected with rotating frame two 13, the other end of telescopic frame 11 is rotatably connected in the outer wall one side of rotating frame two 13, the outer wall one side of rotating frame two 13 and rotating frame one 10 are rotatably connected with fixed leg 14, the bottom four corner places of base 1 are slidably connected with fixed mechanism 2, fixed mechanism 2 is used for improving equipment grip force, the outer wall top of connecting pipe 6 is fixedly connected with fixed ring 19, the outer wall front and back ends of fixed ring 19 are threadedly connected with bolt one 20;

[0032] Specific, motor 3 as a power source, energized drive fracturing sled, its output end is connected to the cooling water tank 4, dissipate heat, ensure that the motor 3 runs at a suitable temperature, prolong the service life, ensure the stability of power output, motor 3 rotation through the transmission drive fracturing pump 5 work, fracturing pump 5 through the connecting pipe 6 will be high pressure liquid injection into the ground, improve the efficiency of oil and gas production, adjust the height of fracturing sled, hydraulic push rod 8 work, drive connecting rod 9 and telescopic frame 11, spring 12 provides cushioning and shock absorption, rotating frame one 10 and rotating frame two 13 drive fixed leg 14 movement, realize the overall height of fracturing sled or reduce, ensure the stability in different terrain and operating conditions, the base 1 of the four corners are slidingly connected with the fixed mechanism 2, the purpose is to improve the equipment on a variety of different surface grip and stability, the device can be more stable fixed on the ground, thereby reducing the risk of sliding and moving in the operation process, the top of the connecting pipe 6 is fixed with a fixed ring 19, the outer wall of the fixed ring 19 is threadedly connected with a bolt 20 at the front and rear ends, not only enhances the firmness of the connection, but also facilitates installation and removal, so that the maintenance and adjustment of the equipment becomes more convenient and fast.

[0033] Referring to Figure 1 , Figure 2 and Figure 5 , the fixed mechanism 2 comprises a telescopic leg 201, which is slidingly connected to the inner wall of the bottom of the fixed leg 14, the outer wall of the bottom of the telescopic leg 201 is fixedly connected with a square frame 202, the inner wall of the middle of the square frame 202 is rotatably connected with a gear 203, the inner wall of the middle of the square frame 202 is slidingly connected with a plurality of racks 204, the gear 203 is meshingly connected with the racks 204, the outer wall of one end of the plurality of racks 204 is fixedly connected with a fixed claw 205, the inner wall of the middle of the telescopic leg 201 penetrates a plug pin 206, the inner wall of the middle of the plug pin 206 penetrates a clamping needle 15, the outer wall of one end of the plug pin 206 is fixedly connected with a gasket 16, the outer wall of the top of the square frame 202 is fixedly connected with a fixed plate 18, the outer wall of the bottom of the fixed plate 18 is fixedly connected with a wear pad 17;

[0034] Specifically, the telescopic leg 201 can slide in the inner wall of the fixed leg 14 to adapt to different ground and height adjustment. After positioning, the insertion pin 206 penetrates the telescopic leg 201 and is inserted into the fixed leg 14, fixing the telescopic leg 201 and ensuring the stability of the fracturing sled support. The square frame 202 is fixed at the bottom of the telescopic leg 201. When additional fixation is required, the gear 203 is rotated. Because the gear 203 is engaged with the rack 204, the rack 204 is driven to slide linearly in the square frame 202, causing the fixed claw 205 to move synchronously with the rack 204 and expand outward to insert into the ground, increasing the friction and grip to prevent the sled from moving and shaking. Conversely, rotating the gear 203 in the opposite direction causes the fixed claw 205 to retract inward and disengage from the ground, facilitating the movement or repositioning of the fracturing sled. The insertion pin 206 has a clamping pin 15 penetrating its inner wall, which plays a role in fixing and connecting. The outer wall of the insertion pin 206 is fixed with a gasket 16, which provides additional protection and support. The top of the square frame 202 is installed with a fixed plate 18, and the outer wall of the fixed plate 18 is also fixedly connected with a wear-resistant pad 17. The wear-resistant pad 17 is used to increase the surface wear resistance and ensure that more friction and pressure can be withstood during use.

[0035] Referring to Figure 1 , Figure 2 and Figure 3 , the bottom four corners of the fracturing pump 5 are fixedly connected with support legs 21, the outer wall top ends of the support legs 21 are threadedly connected with bolts two 22, the outer wall left side of the fracturing pump 5 is fixedly connected with a reducing pipe 23, the outer wall of the reducing pipe 23 is threadedly connected with bolts three 24 around, and the outer wall of the fixed frame 7 is provided with screws 25 around, and the inner wall of the screws 25 is threadedly connected with connecting holes 26 in the middle.

[0036] Specifically, the support legs 21 at the bottom four corners of the fracturing pump 5 play a supporting role, and the height of the support legs 21 can be adjusted or fastened through the bolts two 22, ensuring the stable placement of the fracturing pump 5. The reducing pipe 23 on the outer wall left side of the fracturing pump 5 is used to connect pipelines of different diameters, and is stably installed through the bolts three 24 around, ensuring smooth transition of the pipe diameter during transmission of the fracturing fluid. The fixed frame 7, as an important connecting structure, is threadedly connected with the connecting holes 26 around the outer wall through the screws 25, realizing close assembly with other components and maintaining the stability and cooperative work of the entire fracturing sled structure.

[0037] Working principle: motor 3 as a power source, after power on, the output shaft of motor 3 rotates, provides power for the whole fracturing sled, at the same time, the cooling water tank 4 connected with the output end of motor 3 can dissipate the heat generated by motor 3 during operation, ensure that motor 3 runs in the appropriate temperature range, prevent damage due to overheating, prolong the service life of motor 3, ensure the stability of power output, the rotation of motor 3 drives the fracturing pump 5 to work through certain transmission device, the fracturing pump 5 outputs liquid through the connecting pipe 6, injects the fracturing fluid into the underground oil or gas layer at high pressure, makes the formation form cracks, thereby improves the efficiency of oil and gas exploitation, when it is necessary to adjust the height of fracturing sled, the hydraulic push rod 8 in the middle of the inner wall of fixed frame 7 starts to work, the output end of hydraulic push rod 8 extends or retracts, drives the connecting rod 9 to move, the telescopic frame 11 rotatably connected on the front and rear sides of the outer wall of connecting rod 9 changes the angle and length with the movement of connecting rod 9, the spring 12 in the middle of telescopic frame 11 plays the role of buffering and shock absorption, makes the telescopic process more stable, at the same time, the other end of telescopic frame 11 is rotatably connected on rotating frame two 13, rotating frame one 10 and rotating frame two 13 can rotate around the bottom and top of fixed frame 7 respectively, under the action of hydraulic push rod 8, rotating frame one 10 and rotating frame two 13 drive fixed leg 14 to move, make fixed leg 14 contact with the ground and provide support, realize the lifting or lowering of the whole fracturing sled, and support in different positions through multiple fixed legs 14, ensure the stability of fracturing sled under different terrain and operation conditions;

[0038] Telescopic leg 201 can slide in the inner wall of fixed leg 14, realize telescopic function, adapt to different ground conditions and height adjustment requirements, when telescopic leg 201 is adjusted to the appropriate position, it can be fixed in the current position by inserting the shank 206 through the middle of the inner wall of telescopic leg 201 and inserting into the corresponding hole of fixed leg 14, prevent it from sliding randomly, ensure the stable support of fracturing sled, square frame 202 is fixed on the outer wall of telescopic leg 201, when it is necessary to enhance the fixing effect, rotate gear 203, because gear 203 is meshed and connected with rack 204, the rotation of gear 203 will drive multiple racks 204 to slide linearly in the middle of the inner wall of square frame 202, the fixed claw 205 fixedly connected on one end of the outer wall of rack 204 will move synchronously with the movement of rack 204, multiple fixed claws 205 will expand outward, insert into the ground, increase the friction and grip with the ground, make the fracturing sled more stable during work, prevent the sled body from displacement or shaking, on the contrary, when it is necessary to retract fixed claw 205, rotate gear 203 in reverse direction, make rack 204 drive fixed claw 205 to retract inward, separate from the ground, in order to move or reposition the fracturing sled.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A self-elevating electric fracturing skid comprising a base (1), characterized in that: The top right side of the base (1) is fixedly connected with a motor (3), the output end of the motor (3) is fixedly connected with a cooling water tank (4), the outer wall left side of the cooling water tank (4) is fixedly connected with a fracturing pump (5), the outer wall top of the fracturing pump (5) is communicated with a connecting pipe (6), the outer wall left and right sides of the base (1) are fixedly connected with a fixed frame (7), the inner wall middle part of the two fixed frames (7) is fixedly connected with a hydraulic push rod (8), the output end of the hydraulic push rod (8) is fixedly connected with a connecting rod (9), the outer wall front and back sides of the connecting rod (9) are rotatably connected with a telescopic frame (11), the outer wall middle part of the telescopic frame (11) is fixedly connected with a spring (12), the top front and back sides of the fixed frame (7) are rotatably connected with a rotating frame one (10), the bottom front and back sides of the fixed frame (7) are rotatably connected with a rotating frame two (13), the other end of the telescopic frame (11) is rotatably connected with the outer wall side of the rotating frame two (13), the outer wall side of the rotating frame two (13) and the rotating frame one (10) are rotatably connected with a fixed leg (14), the bottom four corner places of the base (1) are slidably connected with a fixing mechanism (2), and the fixing mechanism (2) is used for improving the equipment grip.

2. A self-hoisting electric fracturing skid according to claim 1, characterized in that: The fixing mechanism (2) comprises a telescopic leg (201), the telescopic leg (201) is slidably connected with the inner wall bottom of the fixed leg (14), the outer wall bottom of the telescopic leg (201) is fixedly connected with a square frame (202), the inner wall middle part of the square frame (202) is rotatably connected with a gear (203), the inner wall middle part of the square frame (202) is slidably connected with a plurality of racks (204), the gear (203) is meshedly connected with the rack (204), and the outer wall one end of the plurality of racks (204) is fixedly connected with a fixed claw (205).

3. A self-hoisting electric fracturing skid according to claim 2, characterized in that: The inner wall middle part of the plug pin (206) is penetrated with a clamping needle (15), and the outer wall one end of the plug pin (206) is fixedly connected with a gasket (16).

4. A self-hoisting electric fracturing skid according to claim 2, characterized in that: The outer wall top of the square frame (202) is fixedly connected with a fixed plate (18), and the outer wall bottom of the fixed plate (18) is fixedly connected with a wear-resistant pad (17).

5. A self-hoisting electric fracturing skid according to claim 1, characterized in that: The outer wall top of the connecting pipe (6) is fixedly connected with a fixed ring (19), and the outer wall front and back ends of the fixed ring (19) are threadedly connected with bolts one (20).

6. A self-hoisting electric fracturing skid according to claim 1, characterized in that: The bottom four corner places of the fracturing pump (5) are fixedly connected with supporting legs (21), and the outer wall top ends of the supporting legs (21) are threadedly connected with bolts two (22).

7. A self-hoisting electric fracturing skid according to claim 1, characterized in that: The outer wall left side of the fracturing pump (5) is fixedly connected with a reducing pipe (23), and the outer wall periphery of the reducing pipe (23) is threadedly connected with bolts three (24).

8. A self-hoisting electric fracturing skid according to claim 1, characterized in that: The outer wall periphery of the fixed frame (7) is provided with screws (25), and the inner wall middle part of the screw (25) is threadedly connected with a connecting hole (26).

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