CN217712842U - Single-machine double-pump structure and working machine - Google Patents

Abstract

The utility model relates to an oil field equipment technical field provides a unit double pump structure and operation machinery, and wherein, unit double pump structure includes: the driving device is used for providing power; one end of the transmission shaft is connected with the output end of the driving device; the gear reduction box is connected with the other end of the transmission shaft; and the gear reduction box is internally provided with a gear pair; the first pump body and the second pump body are in transmission connection with the gear pair respectively. The utility model provides a unit double pump structure and operation machinery provides the power supply through drive arrangement, realize first pump body and second pump body reciprocating motion through transmission shaft drive gear reducing gear box, realize satisfying the service condition of fracturing or well cementation operating mode, can realize two pump bodies simultaneous workings through a drive arrangement promptly, cover all oil field construction operating modes of unit single pump and duplex double pump, realize the stable output of equipment discharge capacity, improve equipment's output, improve the price/performance ratio.

Description

Single-machine double-pump structure and working machine

Technical Field

The utility model relates to an oil field equipment technical field especially relates to a unit double pump structure and operation machinery.

Background

In the field of petroleum, fracturing is a method for forming fractures in oil and gas reservoirs by utilizing the action of water conservancy, and is also called hydraulic fracturing. The fracturing operation refers to a process of fracturing reservoir rock and forming an air guide channel under the action of fracturing equipment, and the fracturing equipment is indispensable equipment in the oil field operation process.

Well cementation is an essential important link in the process of drilling operation, and comprises casing setting and cement injection, wherein cement slurry is injected into the bottom of a well through the casing and enters an annular space between the casing and a well wall to achieve the operation of the designed height, and the purpose of well cementation is to fix the casing in the well and replace water and other fluids from the well.

Fracturing equipment and fixed equipment among the prior art mostly adopt unit single pump or duplex double pump, and unit single pump's discharge capacity and pressure often can not satisfy the demand of all operating modes, and the cost of duplex double pump is higher, and the sexual valence is lower.

SUMMERY OF THE UTILITY MODEL

The utility model provides a unit double pump structure and operation machinery for solve the defect that single-engine single pump inefficiency and duplex double pump are with high costs among the prior art, realize the stable output of fracturing unit and cementing equipment discharge capacity, improve the output of fracturing and cementing equipment.

The utility model provides a unit double pump structure, include: the driving device is used for providing power;

one end of the transmission shaft is connected with the output end of the driving device;

the gear reduction box is connected with the other end of the transmission shaft; and the gear reduction box is internally provided with a gear pair;

and the first pump body and the second pump body are in transmission connection with the gear pair respectively.

According to the utility model provides a pair of unit double pump structure, drive arrangement includes the engine, just the engine with be provided with the gearbox between the transmission shaft.

According to the utility model provides a pair of unit double pump structure, drive arrangement is the motor.

According to the utility model provides a pair of unit double pump structure, the first pump body with the second pump body is the fracturing pump or is the well cementation pump.

According to the utility model provides a pair of unit double pump structure still includes lubricating arrangement, lubricating arrangement is used for lubricating gear reduction box with the gearbox.

The utility model also provides an operation machine, include: the single unit dual pump configuration described above.

According to the utility model provides a pair of operation machinery, operation machinery is fracturing equipment.

According to the utility model provides a pair of operating machinery, operating machinery is well cementation equipment.

According to the utility model provides a pair of operating machinery, operating machinery is the car dress formula.

According to the utility model provides a pair of operation machinery, operation machinery is the sled dress formula.

The utility model provides a unit double pump structure provides the power supply through drive arrangement, realize first pump body and second pump body reciprocating motion through transmission shaft drive gear reducing gear box, realize satisfying the service condition of fracturing or well cementation operating mode, can realize first pump body and second pump body simultaneous working through a drive arrangement promptly, cover all oil field construction operating modes of unit single pump and duplex double pump, realize the stable output of equipment discharge capacity, improve equipment's output.

The utility model provides a working machine, owing to include as above the unit double pump structure, consequently possess as above various advantages.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of a single-unit dual-pump structure provided by the present invention;

fig. 2 is a side view of a work machine in which the drive unit is an engine;

fig. 3 is a side view of the working machine provided by the present invention when the driving device is a motor;

reference numerals:

1: a drive device; 2: a drive shaft; 3: a gear reduction box; 4. a first pump body; 5. a second pump body; 6. a gearbox.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The following describes the single-unit double-pump structure and the working machine according to the present invention with reference to fig. 1 to 3.

As shown in fig. 1-3, the utility model provides a single-machine double-pump structure, which comprises adriving device 1, atransmission shaft 2, agear reduction box 3, a first pump body 4 and asecond pump body 5, wherein thedriving device 1 is used for providing power; one end of thetransmission shaft 2 is connected with the output end of thedriving device 1; thegear reduction box 3 is connected with the other end of thetransmission shaft 2; and thegear reduction box 3 is internally provided with a gear pair (not shown in the figure); the first pump body 4 and thesecond pump body 5 are respectively in transmission connection with the gear pair.

The utility model provides a unit double pump structure provides the power supply throughdrive arrangement 1, realizefirst pump body 4 and 5 reciprocating motion of the second pump body through 2 drive gear reducinggear boxes 3 of transmission shaft, the condition of fracturing or well cementation operating mode is satisfied in the realization, can realize first pump body and second pump body simultaneous working through adrive arrangement 1 promptly, cover all oil field construction operating modes of unit single pump and duplex double pump, realize the stable output of equipment discharge capacity, improve equipment's output.

The gear pair is a basic mechanism composed of two gears engaged with each other. Thedriving device 1 drives thetransmission shaft 2 to rotate, thetransmission shaft 2 further drives the gear pair to rotate, the two meshed gears rotate along with thetransmission shaft 2, and the first pump body 4 and thesecond pump body 5 are respectively meshed with the two meshed gears for transmission, so that the first pump body 4 and thesecond pump body 5 are driven by onedriving device 1 to work simultaneously.

The driving mode of thedriving device 1 is not limited, and may be any driving mode as long as a power source can be provided.

As shown in fig. 2, in an embodiment of the present invention, thedriving device 1 comprises an engine, and agearbox 6 is arranged between the engine and thetransmission shaft 2. The engine is decelerated by thegearbox 6 and then transmits power to thegearbox 6. Thetransmission case 6 drives thetransmission shaft 2 to rotate.

As shown in fig. 3, in another embodiment of the present invention, thedriving device 1 is a motor. The output end of the motor is connected with thetransmission shaft 2, and the motor drives thetransmission shaft 2 to rotate.

The utility model discloses an embodiment, the first pump body 4 and thesecond pump body 5 are the fracturing pump, are used for in the fracturing operating mode this moment. Thetransmission shaft 2 drives thegear reduction box 3 to realize the reciprocating motion of the two fracturing pumps, so that the fracturing pump is used under the fracturing working condition.

The utility model discloses a in another embodiment, the first pump body 4 and thesecond pump body 5 are the well cementation pump, and this embodiment is arranged in the well cementation operating mode. Thetransmission shaft 2 drives thegear reduction box 3 to realize the reciprocating motion of the two well cementation pumps, so that the well cementation pump can be used under the well cementation working condition.

The utility model discloses an in the embodiment, still include lubricating arrangement, lubricating arrangement is used for realizing gear reduction box and gearbox lubrication action, ensures gear reduction box and gearbox and normally works.

The utility model discloses a still disclose an operation machinery in another aspect, include as above the unit double pump structure.

In one embodiment of the present invention, the work machine is a fracturing apparatus.

In an embodiment of the present invention, the work machine is a cementing apparatus.

The utility model discloses an embodiment, the operation machinery is the car dress formula, can be car dress formula fracturing unit, also can be car dress formula cementing equipment.

In another embodiment of the present invention, the working machine is a skid-mounted type, and can be a skid-mounted type fracturing equipment, and also can be a skid-mounted type cementing equipment. The skid-mounted mode refers to the mode that a group of equipment is fixed on a skid frame made of angle steel or I-steel to form a skid-mounted host machine.

The utility model provides a unit double pump structure and operation machinery through 1 externalgear reduction box 3 of drive arrangement, drives two fracturing pumps or two well cementation pump reciprocating motion simultaneously, realizes satisfying the condition of fracturing or well cementation operating mode, has covered all operating modes of unit single pump and duplex double pump, and the weight and the cost of relative unit single pump and duplex double pump configuration all reduce to some extent.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (8)

1. A single unit dual pump arrangement, comprising:

the driving device is used for providing power;

one end of the transmission shaft is connected with the output end of the driving device;

the gear reduction box is connected with the other end of the transmission shaft; and the gear reduction box is internally provided with a gear pair;

and the first pump body and the second pump body are in transmission connection with the gear pair respectively.

2. The stand-alone dual pump arrangement as claimed in claim 1, wherein said drive means comprises an engine and a gearbox is provided between said engine and said drive shaft.

3. Stand-alone dual pump arrangement according to claim 1, wherein the drive means is an electric motor.

4. Stand-alone dual pump structure according to claim 2 or 3, wherein the first pump body and the second pump body are both fracturing pumps or both cementing pumps.

5. The stand-alone dual pump arrangement as claimed in claim 2, further comprising a lubrication device for lubricating the gear reduction box and the gearbox.

6. A working machine characterized by comprising a single-machine dual-pump structure as claimed in any one of claims 1 to 5.

7. A work machine according to claim 6, characterized in that the work machine is a fracturing or cementing apparatus.

8. The work machine of claim 6, wherein the work machine is truck-mounted or skid-mounted.

Images