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Fracturing pump and fracturing vehicle

A technology for fracturing pumps and fracturing trucks, which is applied in the field of oil and gas fracturing. It can solve the problems of difficult dynamic balance of the crankshaft of the fracturing pump, short life of the crankshaft, and large vibration of the fracturing pump. Effect of service life and reduction of vibration amplitude

Active Publication Date: 2015-12-09
三一石油智能装备有限公司
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Problems solved by technology

[0005] In view of this, the present invention proposes a fracturing pump and a fracturing truck including the fracturing pump to solve the technical problems of the existing fracturing pump crankshaft that is difficult to dynamically balance, the fracturing pump vibrates greatly, and the life of the crankshaft is short

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  • Fracturing pump and fracturing vehicle
  • Fracturing pump and fracturing vehicle
  • Fracturing pump and fracturing vehicle

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Embodiment Construction

[0034] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0035] To better illustrate the present invention, when the fracturing pump is installed laterally on the chassis, the crankshaft 1 is arranged along the length direction of the chassis.

[0036] The basic idea of ​​the present invention is: the present invention adopts the structure of the large gear 2 in the middle, and divides the power end into left and right parts. One side is preferably a three-cylinder, and the phases of the crankshafts 1 on both sides are 120°, and relative to the large gear 2 Symmetrical arrangement, in this way, the crankshaft 1 not only satisfies the static balance, but also satisfies the dynamic balance, thereby reducing the vibration of the fracturing pump from the r...

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Abstract

The invention discloses a fracturing pump which comprises a power end, wherein the power end comprises a large gear, and two crank shafts which are positioned at two ends of the large gear; the crank shafts are connected with the large gear; the crank shafts are connected with a crosshead by connection rods; the crosshead is connected with a plunger piston; the two crank shafts are symmetrically arranged by taking the large gear as the center; the crank shafts drive the connection rods and the crosshead to push the plunger piston to do reciprocating motion. Compared with that of the prior art, the power end are in a sectional type structure design, the large gear is positioned in the middle position, and the crank shafts are symmetrically arranged at the two ends of the large gear, so that effects of dynamic balance and static balance are simultaneously met theoretically, furthermore additional moment generated by the crank shaft during rotation can be reduced, and the vibration amplitude of the fracturing pump is reduced. In addition, the invention also discloses a fracturing vehicle comparing the fracturing pump.

Description

technical field [0001] The invention relates to the technical field of oil and gas fracturing, in particular to a fracturing pump and a fracturing vehicle equipped with the fracturing pump. Background technique [0002] Fracturing operation is one of the important means to transform oil and gas reservoirs. For low permeability oil and gas wells, fracturing operations are generally required to achieve the purpose of stabilizing and increasing production. The fracturing pump is the main engine of the fracturing vehicle and the most direct execution equipment to realize the purpose of the fracturing process. It is mainly composed of power end assembly and hydraulic end assembly and other components. [0003] In the prior art, the fracturing pump used as the delivery mechanism generally adopts the crankshaft type plunger pump, figure 1 It is a schematic diagram of the structure of this crankshaft plunger pump, such as figure 1 As shown, the crankshaft plunger pump includes a c...

Claims

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Application Information

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IPC IPC(8): F04B53/00F04B53/14F04B1/00E21B43/26B60P3/00
Inventor 余旭阳王初亮夏天
Owner 三一石油智能装备有限公司
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