CN214399805U - Oil-water pumping and discharging device - Google Patents

Abstract

The utility model belongs to the field of petroleum equipment, and relates to an oil-water pumping and draining device, which comprises a vertically arranged guide rod, wherein the top of the guide rod is fixedly provided with an upper fixed disk, the bottom of the guide rod is fixedly provided with a lower fixed disk, a movable disk is arranged between the upper fixed disk and the lower fixed disk, the movable disk is sleeved on the rod body of the guide rod, the movable disk is fixedly connected with a suction pipe, the upper fixed disk is provided with a lifter, and an input shaft of the lifter is connected with a motor; the elevator comprises a ball screw and a ball nut, and the ball screw can be driven to rotate by a motor; the ball screw penetrates through the moving disc and is arranged in parallel with the guide rod, a ball nut is arranged between the ball screw penetrating and moving disc and is fixedly connected with the moving disc, the ball screw is movably connected with the ball nut, and the moving disc can move linearly and reciprocally along the guide rod through the ball screw and the ball nut. The device adopts ball screw to control the motion of moving the dish, sets up compact structure like this, and synchronous precision is high, easily realizes the accurate positioning to moving part.

Description

Oil-water pumping and discharging device

Technical Field

The utility model belongs to the petroleum equipment field especially relates to an profit pump drainage device.

Background

At present, the drainage and oil pumping of a liquid storage tank of an oil field gas gathering station is still in a manual operation stage. When pumping water, a monitoring person remotely opens the valve, an off-site person puts down a pipeline of the suction port to the bottom of the liquid storage tank according to experience, and when the water level is lower than about 20 cm, the monitoring person or the PKS system remotely closes the valve to stop operation. When drawing oil, the operation area arranges that the guardian is stood, and the pulling personnel stops the hose head in the oil reservoir with hose insert jar on the car according to experience, reduces along with the reduction of liquid level, when the oil of drawing becomes muddy, draws the hose, stops the operation.

However, the conventional methods all depend on the experience of operators and monitoring personnel, particularly during oil pumping, the pulling target cannot be scientifically and accurately positioned and the pulling amount cannot be controlled, the in-station tank area belongs to a flammable and combustible area, other factors such as static electricity and the like in the operation process of the personnel increase potential safety hazards, and produced oil belongs to articles with higher economic value.

The existing oil-water pumping and draining device adopts a chain transmission mode, but the chain transmission mode has the defects of poor stability, impact, vibration and noise, unsuitability for high-speed occasions and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide an profit pump drainage device.

The utility model aims at solving through the following technical scheme:

the oil-water pumping and discharging device comprises a guide rod which is vertically arranged, wherein an upper fixed disk is fixedly arranged at the top of the guide rod, a lower fixed disk is fixedly arranged at the bottom of the guide rod, a movable disk is arranged between the upper fixed disk and the lower fixed disk, the movable disk is sleeved on a rod body of the guide rod and is fixedly connected with a suction pipe, a lifter is arranged on the upper fixed disk, and an input shaft of the lifter is connected with a motor;

the elevator comprises a ball screw and a ball nut, and the ball screw can be driven to rotate by a motor; the ball screw penetrates through the moving disc and is arranged in parallel with the guide rod, a ball nut is arranged between the ball screw penetrating and the moving disc, the ball nut is fixedly connected with the moving disc, the ball screw is movably connected with the ball nut, and the moving disc can do linear reciprocating motion along the guide rod through the ball screw and the ball nut.

Furthermore, the movable disc comprises an upper movable disc and a lower movable disc which are sleeved on the guide rod through a bearing, and the upper movable disc and the lower movable disc are fixedly connected through a connecting rod.

Furthermore, the bearing comprises a sliding sleeve seat fixed on the upper moving disk or the lower moving disk and a sliding sleeve sleeved on the guide rod, the sliding sleeve is positioned in the sliding sleeve seat, and the sliding sleeve seat are fixed through a sliding sleeve cover plate; the sliding sleeve comprises a plurality of sliding structures arranged on the inner wall of the sliding sleeve, and the sliding structures are connected with the guide rod in a sliding mode.

Furthermore, the suction pipe is fixedly connected with the lower moving plate through a flange plate.

Furthermore, the ball nut and the movable plate are fixedly connected through a fastening device, and the fastening device is a plurality of groups of bolts.

Furthermore, the lower end of the suction pipe penetrates through the lower fixing disc and is welded and fixed with the lower fixing disc, and the sealing assembly is directly arranged at the lower end of the suction pipe and the lower fixing disc.

Further, a medium sensor is arranged on the outer wall of the lower end of the suction pipe and connected with a controller, and the controller is fixedly arranged on the upper fixing disc.

Further, a controller is connected to the control end of the elevator and to a suction tube via a metal flexible tube.

Furthermore, the upper end of each ball screw is connected with the elevator, the lower end of each ball screw is a free end, and the number of the ball screws is 1; the number of the guide rods is 3.

The utility model has the advantages that: the ball screw is adopted to control the movement of the movable disc, so that the device has the advantages of compact structure, high synchronization precision, high response speed, good reliability and easy realization of accurate positioning of the closed loop of the moving part.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

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

FIG. 1 is a schematic view of the apparatus of the present invention;

fig. 2 is a partially enlarged view of fig. 1.

Wherein: 1 is a guide rod; 2 is an upper fixed disc; 3 is a lower fixed disc; 4 is a movable disc; 5 is a suction pipe; 6 is a lifter; 7 is a motor; 8 is a ball screw; 9 is a ball nut; 10 is a bearing; 11 is a medium sensor; 12 is a controller; 13 is a metal flexible pipe; 41 is an upper moving disk; 42 is a lower moving disk; and 43 is a connecting rod.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the following claims.

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments.

Referring to fig. 1-2, the oil-water pumping and draining device comprises a guide rod 1 which is vertically arranged, wherein an upper fixed disc 2 is fixedly arranged at the top of the guide rod 1, a lower fixed disc 3 is fixedly arranged at the bottom of the guide rod 1, a movable disc 4 is arranged between the upper fixed disc 2 and the lower fixed disc 3, the movable disc 4 is sleeved on the rod body of the guide rod 1, and the movable disc 4 is fixedly connected with a suction pipe 5;

the elevator 6 comprises a ball screw 8 and a ball nut 9, and the ball screw 8 can be driven to rotate through a motor 7; the ball screw 8 penetrates through the moving disc 4 and is arranged in parallel with the guide rod 1, a ball nut 9 is arranged between the ball screw 8 and the moving disc 4, the ball nut 9 is fixedly connected with the moving disc 4, the ball screw 8 is movably connected with the ball nut 9, and the moving disc 4 can linearly reciprocate along the guide rod 1 through the ball screw 8 and the ball nut 9.

The motor 7 is a servo motor reducer, the motor 7 outputs power to a lifter, the lifter is a ball screw lifter, and the ball nut 9 is driven to rotate through the change of speed reduction and movement, so that the power is converted into linear movement of the movable disc 4 on the rod body of the guide rod 1.

Further, the movable plate 4 comprises an upper movable plate 41 and a lower movable plate 42 which are sleeved on the guide rod 1 through a bearing 10, and the upper movable plate 41 and the lower movable plate 42 are fixedly connected through a connecting rod 43.

Further, the bearing 10 includes a sliding sleeve seat fixed on the upper moving disk 41 or the lower moving disk 42, and a sliding sleeve sleeved on the guide rod 1, the sliding sleeve is located in the sliding sleeve seat, and the sliding sleeve seat are fixed through a sliding sleeve cover plate; the sliding sleeve comprises a plurality of sliding structures arranged on the inner wall of the sliding sleeve, and the sliding structures are connected with the guide rod 1 in a sliding mode and can reduce the motion resistance of the movable disc.

Further, the suction pipe 5 is fixedly connected to the lower moving plate 42 through a flange.

Further, the ball nut 9 is fixedly connected with the movable plate 4 through a fastening device, and the fastening device is a plurality of groups of bolts.

Further, the lower end of the suction pipe 5 penetrates through the lower fixing disc 3 and is welded and fixed with the lower fixing disc 3, and a sealing assembly is directly arranged between the lower end of the suction pipe 5 and the lower fixing disc 3.

Further, a medium sensor 11 is arranged on the outer wall of the lower end of the suction pipe 5, the medium sensor 11 is connected with a controller, and the controller is fixedly arranged on the upper fixing disc 2.

Further, a controller is connected to the control end of said elevator 6 and to the suction pipe 5 via a metal flexible pipe 13.

Furthermore, the upper end of the ball screw 8 is connected with the lifter 6, the lower end is a free end, and the number of the ball screws 8 is 1; the number of the guide rods 1 is 3, and the stability of the transmission device and the stability of the whole oil-water pumping device in the working process can be guaranteed by utilizing the stability of a triangle.

The working principle of the utility model is as follows: one end of the suction pipe 5 penetrates through the lower fixed disc 3 and is hermetically connected with the liquid storage tank through a connecting flange, and the other end of the suction pipe penetrates through the lower moving disc 42 and is welded and fixed on the lower moving disc 42; during oil pumping, in order to scientifically and accurately position a hauling target and control the hauling amount, the servo motor reducer 7 is driven, and the controller is matched with a mechanical transmission mode consisting of a ball screw 8 and a ball nut 9 to control the transmission device to move, so that the moving disc is moved upwards or downwards, and finally the suction pipe 5 is lifted freely. Therefore, the oil-water pumping and discharging equipment based on the transmission device has stable working performance, the suction pipe 5 is connected with the controller through the metal flexible pipe 13, the controller is connected with the controller, the position of the suction pipe 5 can be obtained in real time, the controller is also connected with an upper computer, and smooth oil pumping work can be guaranteed.

The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.

It is to be understood that the present invention is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims (7)

1. The oil-water pumping device comprises a vertically arranged guide rod (1), wherein an upper fixed disk (2) is fixedly arranged at the top of the guide rod (1), a lower fixed disk (3) is fixedly arranged at the bottom of the guide rod (1), a movable disk (4) is arranged between the upper fixed disk (2) and the lower fixed disk (3), the movable disk (4) is sleeved on a rod body of the guide rod (1), and the movable disk (4) is fixedly connected with a suction pipe (5), and is characterized in that a lifter (6) is arranged on the upper fixed disk (2), and an input shaft of the lifter (6) is connected with a motor (7);

a medium sensor (11) is arranged on the outer wall of the lower end of the suction pipe (5), the medium sensor (11) is connected with a controller (12), and the controller (12) is fixedly arranged on the upper fixed disc (2); the controller (12) is connected with the control end of the lifter (6) and is connected with the suction pipe (5) through a metal flexible pipe (13);

the elevator (6) comprises a ball screw (8) and a ball nut (9), and the ball screw (8) can be driven to rotate through a motor (7); ball (8) pass remove dish (4) with guide arm (1) parallel arrangement, set up ball nut (9) between ball (8) and the removal dish (4), ball nut (9) and removal dish (4) fixed connection, ball (8) and ball nut (9) swing joint, remove dish (4) and pass through ball (8) and ball nut (9) can follow linear motion is done to guide arm (1).

2. The oil and water pumping device as claimed in claim 1, wherein the moving plate (4) comprises an upper moving plate (41) and a lower moving plate (42) which are sleeved on the guide rod (1) through a bearing (10), and the upper moving plate (41) and the lower moving plate (42) are fixedly connected through a connecting rod (43).

3. The oil-water pumping device as claimed in claim 2, wherein the bearing (10) comprises a sliding sleeve seat fixed on the upper moving disk (41) or the lower moving disk (42), and a sliding sleeve sleeved on the guide rod (1), the sliding sleeve is located in the sliding sleeve seat, and the sliding sleeve seat are fixed through a sliding sleeve cover plate; the sliding sleeve comprises a plurality of sliding structures arranged on the inner wall of the sliding sleeve, and the sliding structures are connected with the guide rod (1) in a sliding mode.

4. The oil and water pumping device as claimed in claim 2, wherein the pumping tube (5) is fixedly connected with the lower moving plate (42) through a flange.

5. The oil and water pumping device as claimed in claim 1, wherein the ball nut (9) is fixedly connected with the movable plate (4) through a fastening device, and the fastening device is a plurality of groups of bolts.

6. The oil and water pumping and discharging device as claimed in claim 4, wherein the lower end of the suction pipe (5) penetrates through the lower fixed disc (3) and is welded and fixed with the lower fixed disc (3), and a sealing assembly is arranged between the lower end of the suction pipe (5) and the lower fixed disc (3).

7. The oil and water pumping device as claimed in claim 1, wherein the ball screw (8) is connected with the lifter (6) at the upper end and is a free end at the lower end, and the number of the ball screws (8) is 1; the number of the guide rods (1) is 3.

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