CN210217674U

CN210217674U - Screw power device for sand suction pump

Info

Publication number: CN210217674U
Application number: CN201920358880.8U
Authority: CN
Inventors: Jiadao Zhu; 朱加道; Guohua Wang; 王国华
Original assignee: Yancheng City Rong Jia Machinery Manufacturing Co Ltd
Current assignee: Yancheng City Rong Jia Machinery Manufacturing Co Ltd
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2020-03-31
Anticipated expiration: 2029-03-21

Abstract

The utility model relates to a screw power device for a sand suction pump, which comprises an upper joint, a casing and a lower joint arranged in sequence, the inner cavity of the casing is sequentially provided with an upper substitute joint, a first motor assembly, a universal joint shaft assembly assembly, anti-vibration drive shaft assembly, universal joint shaft assembly and second motor assembly; the previous substitute joint is connected and fixed with the rotor on the first motor assembly through the anti-dropping stabilizing assembly; the anti-dropping stabilizing assembly It includes an anti-drop joint, an anti-drop link and an anti-drop nut; the anti-drop link is connected to the rotor through the anti-drop joint and is locked by the anti-drop nut; wherein the two ends of the anti-drop joint are respectively Embedding fixed positioning bolts, the shock-proof transmission shaft assembly includes a bearing assembly casing and a transmission shaft arranged in the bearing assembly casing; both ends of the transmission shaft are sequentially provided with needle roller bearings and ball bearings. The utility model takes the screw drilling tool as the power source, achieves the ideal effect in the process of sand fishing in the lost-return well, and greatly shortens the construction period.

Description

Screw power device for sand suction pump

Technical Field

The utility model relates to a bailing workover field specifically is a screw rod power device for inhaling sand pump.

Background

According to the conditions that most of the existing oil fields have large original pressure loss of strata in the middle and later periods, and a plurality of lost return wells have long construction period and high construction cost and low success rate in the conventional sand bailing scheme in the sand bailing and well repairing operation, the period and the efficiency of engineering are influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a screw rod power device for inhaling sand pump uses the screw rod drilling tool as the power supply, returns the well sand bailing in-process at the mistake and has reached the effect of ideal, and construction cycle compresses to conventional construction cycle's 1/4 time, and construction cost reduces greatly, has reached the technical innovation purpose of new product.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a screw power device for a sand suction pump comprises an upper joint, a shell and a lower joint which are sequentially arranged, wherein an upper substitute joint, a first motor assembly, a universal shaft assembly, a shockproof transmission shaft assembly, a universal shaft assembly and a second motor assembly are sequentially arranged in an inner cavity of the shell; the upper substitute joint is fixedly connected with a rotor on the first motor assembly through an anti-drop stabilizing assembly; the anti-drop stabilizing assembly comprises an anti-drop joint, an anti-drop connecting rod and an anti-drop nut; the anti-falling connecting rod penetrates through the anti-falling connector to be connected with the rotor and is locked through an anti-falling nut; the two ends of the anti-drop joint are respectively embedded into fixed positioning bolts, and the end parts of the positioning bolts are fixedly connected with the gasket; the gasket is arranged on a positioning plate, and the positioning plate is positioned between the anti-falling joint and the upper substitute joint; the shockproof transmission shaft assembly comprises a bearing assembly shell and a transmission shaft arranged in the bearing assembly shell; two ends of the transmission shaft are respectively connected and fixed with a universal shaft on the universal shaft assembly, wherein two ends of the transmission shaft are respectively provided with a needle roller bearing and a ball bearing in sequence; wherein, the outer surface grooves of the bearing assembly shell are provided with O-shaped rings.

Preferably, limiting plates are arranged at two ends of the anti-falling joint; one end of the spring rod is fixedly connected with the pad and the other end of the spring rod is locked on the limiting plate, so that the upper substitute joint and the anti-drop joint are fixedly connected.

Preferably, the lower joint is fixedly connected with a lower substitute joint in the shell.

Preferably, at least four O-rings are arranged on the surface of the bearing assembly shell, so that the sealing performance is improved.

Preferably, the limiting plate is made of hard alloy plates, and the structural strength is improved.

(III) advantageous effects

Compared with the prior art, the utility model provides an ultrafine screw rod drilling tool possesses following beneficial effect:

1. the first motor assembly and the second motor assembly are arranged, so that the power strength and the stability of a power source are effectively improved, hydraulic energy is converted into mechanical energy, a certain pressure difference is formed at the inlet of the motor, the rotor and the stator are pushed to rotate, the rotating speed and the torque drive the screw pump through the transmission shaft, and therefore upward rotation and downward suction are formed.

2. Wherein the universal shaft assembly is connected with the rotor at the upper part and is connected with the transmission shaft at the lower part. It is used as a special connector for transmitting the mechanical performance of the planetary motion of the motor to the transmission shaft.

3. Shockproof transmission shaft assembly: the transmission shaft transmits the rotary power of the motor to the shockproof outer diameter of the screw pump to be matched with the inner hole of the shell, and rubber is used for playing a role in shockproof sealing.

4. An anti-falling connecting rod in the anti-falling stabilizing assembly is fixedly connected with the rotor; the binding force between the upper substitute joint and the anti-drop joint is improved through the positioning bolt, and the stress generated in the rotating process is prevented; meanwhile, the limiting plate and the spring rod are arranged, so that installation and positioning can be facilitated, and certain buffering force can be realized.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a transmission shaft assembly;

fig. 3 is a partially enlarged view of a in fig. 1.

Fig. 4 is a partially enlarged view of B in fig. 3.

In the figure: 1. an upper joint; 2. a housing; 3. a lower joint; 3-1-next generation of joint; 4. a substitute joint is added; 5. a first motor assembly; 5-1, a rotor; 6. a cardan shaft assembly; 6-1-, cardan shaft; 7. a shockproof transmission shaft assembly; 7-1, a bearing assembly housing; 7-2, a transmission shaft; 7-3, needle roller bearings; 7-4, ball bearings; 8. a second motor assembly; 9. the joint is prevented from falling; 10. the anti-drop connecting rod; 11. the anti-drop nut; 12. positioning bolts; 13. a pad; 14. positioning a plate; 15. an O-shaped ring; 16. a limiting plate; 17. a spring rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, a screw power device for a sand pump comprises an upper joint 1, a housing 2 and a lower joint 3 which are arranged in sequence, wherein an inner cavity of the housing 2 is provided with an upper substitute joint 4, a first motor assembly 5, a universal shaft assembly 6, a shockproof transmission shaft assembly 7, a universal shaft assembly 6, a second motor assembly 8 and a lower substitute joint 3-1 in sequence.

The upper substitute joint 4 is fixedly connected with a rotor 5-1 on the first motor assembly 5 through an anti-drop stabilizing assembly; the anti-drop stabilizing assembly comprises an anti-drop joint 9, an anti-drop connecting rod 10 and an anti-drop nut 11; the anti-drop connecting rod 10 penetrates through the anti-drop connector 9 to be connected with the rotor 5-1 and is locked through an anti-drop nut 11; two ends of the anti-drop joint 9 are respectively embedded into fixed positioning bolts 12, and the end parts of the positioning bolts 12 are fixedly connected with a gasket 13; the spacer 13 is arranged on a positioning plate 14, which positioning plate 14 is located between the drop-proof connection 9 and the upper dummy connection 4.

Limiting plates 16 are arranged at two ends of the anti-falling joint 9; one end of the spring rod 17 is fixedly connected with the pad 13, and the other end of the spring rod is locked on the limit plate 16; the installation and the positioning are realized, and the buffer is effective; the limiting plate 16 is made of hard alloy plates.

An anti-falling connecting rod 10 in the anti-falling stabilizing assembly is fixedly connected with the rotor 5-1; the binding force between the upper substitute joint 4 and the anti-drop joint 9 is improved through the positioning bolt 12, and the stress generated in the rotating process is prevented; the limiting plate 16 and the spring rod 17 are arranged at the same time, so that the installation and the positioning are facilitated, and a certain buffering force is realized.

The shockproof transmission shaft assembly comprises a bearing assembly shell 7-1 and a transmission shaft 7-2 arranged in the bearing assembly shell 7-1; two ends of the transmission shaft 7-2 are respectively connected and fixed with a universal shaft 6-1 on the universal shaft assembly 6, wherein two ends of the transmission shaft 7-2 are respectively provided with a needle roller bearing 7-3 and a ball bearing 7-4 in sequence; wherein, the grooves on the outer surface of the bearing assembly shell 7-1 are provided with O-shaped rings 15.

Meanwhile, large-particle sand prevention pipes are required to be installed at the positions of the connecting oil pipes of the lower joint 3 in operation, and if the large-particle sand prevention pipes are not used, the water holes of the screw power sand bailing pump are possibly blocked, and the stator rubber is damaged, so that the power device cannot be used.

The first motor assembly 5 and the second motor assembly 8 are arranged in the embodiment, so that the power strength and the stability of a power source are effectively improved, hydraulic energy is converted into mechanical energy, a certain pressure difference is formed at the inlet of the motor, the axial lines of the rotor and the stator are pushed to rotate, the rotating speed and the torque drive the screw pump through the transmission shaft, and therefore the upper rotation and the lower suction are formed; wherein the universal shaft assembly is connected with the rotor at the upper part and is connected with the transmission shaft at the lower part. It is used for transmitting the mechanical property of the planetary motion of the motor to a special connecting piece of the transmission shaft; the shockproof transmission shaft assembly is matched with the screw pump, and the transmission shaft transmits the rotary power of the motor to the screw pump.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a screw rod power device for inhaling sand pump which characterized in that: the anti-vibration universal joint comprises an upper joint (1), a shell (2) and a lower joint (3) which are sequentially arranged, wherein an upper substitute joint (4), a first motor assembly (5), a universal shaft assembly (6), a shockproof transmission shaft assembly (7), a universal shaft assembly (6) and a second motor assembly (8) are sequentially arranged in an inner cavity of the shell (2); the upper substitute joint (4) is fixedly connected with a rotor (5-1) on the first motor assembly (5) through an anti-drop stabilizing assembly; the anti-drop stabilizing assembly comprises an anti-drop joint (9), an anti-drop connecting rod (10) and an anti-drop nut (11); the anti-drop connecting rod (10) penetrates through the anti-drop joint (9) to be connected with the rotor (5-1) and is locked through an anti-drop nut (11); two ends of the anti-drop joint (9) are respectively embedded into fixed positioning bolts (12), and the end parts of the positioning bolts (12) are fixedly connected with the gasket (13); the gasket (13) is arranged on a positioning plate (14), and the positioning plate (14) is positioned between the anti-falling joint (9) and the upper substitute joint (4); the shockproof transmission shaft assembly comprises a bearing assembly shell (7-1) and a transmission shaft (7-2) arranged in the bearing assembly shell (7-1); two ends of the transmission shaft (7-2) are respectively connected and fixed with a universal shaft (6-1) on the universal shaft assembly (6), wherein two ends of the transmission shaft (7-2) are respectively provided with a needle roller bearing (7-3) and a ball bearing (7-4) in sequence; wherein, O-shaped rings (15) are arranged on the grooves on the outer surface of the bearing assembly shell (7-1).

2. A screw power plant for a sand pump according to claim 1, characterized in that: limiting plates (16) are arranged at two ends of the anti-falling joint (9); one end of the spring rod (17) is fixedly connected with the gasket (13) and the other end of the spring rod is locked on the limiting plate (16).

3. A screw power plant for a sand pump according to claim 1, characterized in that: the lower joint (3) is fixedly connected with a lower substitute joint (3-1) in the shell (2).

4. A screw power plant for a sand pump according to claim 1, characterized in that: the surface of the bearing assembly shell (7-1) is at least provided with four O-shaped rings (15).

5. A screw power plant for a sand pump according to claim 2, characterized in that: the limiting plate (16) is made of hard alloy plates.