CN110645343A

CN110645343A - Novel gear speed change device for driving slurry pump

Info

Publication number: CN110645343A
Application number: CN201810657700.6A
Authority: CN
Inventors: 李哲; 李文胜
Original assignee: Tianjin Donghai Petroleum Equipment Manufacturing Co Ltd
Current assignee: Tianjin Donghai Petroleum Equipment Manufacturing Co Ltd
Priority date: 2018-06-25
Filing date: 2018-06-25
Publication date: 2020-01-03

Abstract

The invention provides a novel gear speed change device for a driving slurry pump, which comprises an upper box body and a lower box body, wherein the upper box body and the lower box body are connected by adopting a bolt handle and are used for supporting an input shaft and an output shaft. The input shaft is connected with the universal shaft through a shaft end flange and is connected with the parallel transmission device, and the output shaft is connected with the universal shaft through the shaft end flange and drives the slurry pump. The output shaft is provided with a speed change mechanism, and different rotating speeds can be output through engaging the high-speed gear and the low-speed gear, so that the pump stroke required by a mud pump drilling process can be met. The lubricating system of the gear speed changing device is forced thin oil lubrication, a motor is adopted to drive a gear pump to provide power for lubricating oil, so that a large amount of heat generated by meshing of parts such as gears, bearings and the like in the transmission process can be timely solved, and an oil cooler is installed in a lubricating pipeline to ensure the normal temperature range of a lubricating medium. The gear speed change device for the driving slurry pump adopts scientific and reasonable modular design, is independently formed into a transportation unit, and is energy-saving, environment-friendly and convenient to transport.

Description

Novel gear speed change device for driving slurry pump

Technical Field

The invention relates to the technical field of transmission of petroleum drilling and production equipment, in particular to a power transmission part of a mud pump matched with a mechanical drilling machine or an electromechanical composite drilling machine.

Background

Modern drilling technology has higher and higher requirements on power configuration and use of a drilling machine, at present, a diesel engine coupler unit is usually adopted as a power source for conventional mechanical drilling machines and electromechanical composite drilling machines, integral chain box parallel operation provides power for the drilling machine, and the power drives equipment such as a winch, a slurry pump, an air compressor and the like independently or jointly through a parallel operation chain during working. However, in the actual use process, the working condition of drilling can be changed along with hook load and technological requirements, the mud pump cylinder sleeve needs to be replaced according to the technological requirements to meet the pumping pressure and the discharge capacity during on-site drilling, the labor intensity of installing and disassembling the cylinder sleeve is high, and the drilling footage time is greatly wasted. Therefore, a novel gear speed change device for the drive slurry pump is designed, and the requirement of the slurry pump drilling process on pump stroke is met through a speed change mechanism and the rotation speed of a diesel engine.

Disclosure of Invention

The invention aims to provide a novel gear speed change device for a driving mud pump, which aims to solve the problem that the pump stroke adjusting range of the mud pump of a conventional mechanical drilling machine and an electromechanical composite drilling machine is too small.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a novel drive gear change for slush pump device, it includes box, lower box, and the box can adopt cast molding or section bar welding post-processing to make to form, goes up the box and adopts the bolt to close with lower box and is connected for fixed input shaft of installation and output shaft.

Furthermore, the input shaft is connected with the universal shaft through a shaft end flange and is connected with a parallel transmission device to provide power for the slurry pump, and the output shaft is connected with the universal shaft through the shaft end flange to drive the slurry pump.

And furthermore, the input shaft is provided with a pump clutch through a combined transmission device, and one or two slurry pumps are driven independently or uniformly.

The output shaft is provided with a speed change mechanism, and different rotating speeds can be output through engaging the high-speed gear and the low-speed gear, so that the pump stroke required by a mud pump drilling process is met.

Furthermore, a lubricating system of the gear speed changing device is forced thin oil lubrication, a motor is adopted to drive a gear pump to provide power for lubricating oil, so that a large amount of heat generated when parts such as gears, bearings and the like are meshed in the transmission process can be solved in time, and an oil cooler is installed in a lubricating pipeline to ensure the normal temperature range of a lubricating medium.

The upper part of the upper box body is provided with the air filter which is used for exhausting the gear speed change device, maintaining the balance of the internal pressure and the atmospheric pressure of the box body, preventing dirt particles from entering the box body from the outside, keeping the oil in the box body clean and prolonging the service life of the speed change device.

The gear speed changer is provided with a liquid level and liquid temperature meter, can simultaneously display the liquid level and the liquid temperature of a lubricating medium, and can prevent vibration and leakage.

The invention has the beneficial effects that: when the mud pump works, power is input through the parallel operation transmission device, speed and power are transmitted through the gear speed change device, one or two mud pumps are driven independently or jointly under the cooperation of the speed change mechanism, and various pump stroke requirements of the mud pumps are met. The transmission is stable and soft, the power interaction is good, the stroke frequency of the slurry pump can be reasonably selected according to the drilling process requirement, the cylinder sleeve replacement frequency is reduced, and the working strength of oilfield workers is greatly reduced.

Compared with the prior art, the invention has the following advantages:

1. the gear speed change device for the driving mud pump adopts a modular structure design, is integrally welded or cast in a box body form, can realize on-site quick installation and disassembly, reduces the labor intensity and the working time, greatly improves the drilling efficiency and saves the drilling time.

2. The invention drives one or two slurry pumps by the speed change mechanism alone or in combination, realizes various pump stroke requirements of the slurry pumps, and has stable and soft transmission and good power intercoordination.

3. The invention adopts an independent transportation unit, thereby saving energy, protecting environment and being convenient for transportation.

4. The invention adopts the enclosed gear speed changing device, has good lubricating and sealing conditions and convenient and reliable operation. High fault tolerance rate and simple maintenance.

5. The gear speed change device for the driving mud pump does not need to change the position of the original drilling machine during field installation, adopts the universal shaft to be directly connected between the original parallel operation transmission device and the mud pump, has safe and reliable performance, simple installation, convenient maintenance, sufficient spare parts and strong economic applicability.

Drawings

FIG. 1 and FIG. 2 are schematic diagrams illustrating the operation of the present invention;

FIG. 3, FIG. 4, FIG. 5 and FIG. 6 are schematic structural views of the present invention;

in the figure: 1. the liquid level control device comprises an upper box body, 2 a lower box body, 3 an input shaft, 4 an output shaft, 5 a speed change mechanism, 6 a motor, 7 a gear pump, 8 an oil cooler, 9 an air filter, 10 a liquid level liquid thermometer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings

The utility model provides a novel drive gear change speed for slush pump device, it includes box 1, lower box 2, and the box adopts the bolt to close the connection about going up for fixed input shaft 3 of installation and output shaft 4. The input shaft 3 is connected with the universal shaft through a shaft end flange and is connected with a parallel transmission device to provide power for the slurry pump, and the output shaft 4 is connected with the universal shaft through the shaft end flange to drive the slurry pump. The pump clutch is driven by the engaging and combining transmission device, and one or two slurry pumps are driven independently or uniformly. The output shaft 4 is provided with a speed change mechanism which can output different rotating speeds through engaging high-speed and low-speed gears, so that the requirement of a slurry pump drilling process on pump stroke is met.

The lubricating system of the gear speed changing device is forced thin oil lubrication, a motor 6 is adopted to drive a gear pump 7 to provide power for lubricating oil, so that a large amount of heat generated when parts such as gears, bearings and the like are meshed in the transmission process can be solved in time, and an oil cooler 8 is installed in a lubricating pipeline to ensure the normal temperature range of a lubricating medium. The upper part of the upper box body 1 is provided with an air filter 9 which is used for exhausting the gear speed change device, maintaining the balance of the internal pressure and the atmospheric pressure of the box body, preventing dirt particles from entering the box body from the outside, keeping the oil liquid in the box body clean and prolonging the service life of the speed change device. The gear speed change device is provided with a liquid level and liquid temperature meter 10 which can display the liquid level and the liquid temperature of the lubricating medium at the same time, and can prevent vibration and leakage.

The invention adopts a high-efficiency gear speed change device, and has the characteristics of stable and soft transmission, good power intercoordination and the like. The invention has the advantages of good lubricating and sealing conditions, convenient and reliable operation, high fault-tolerant rate and simple maintenance.

Claims

1. The utility model provides a novel drive gear change gear for slush pump, it includes box (1), lower box (2), and upper and lower box can adopt cast molding or section bar welding post-processing to make to form, goes up box (1) and adopts the bolt to close with lower box (2) and is connected for fixed input shaft (3) of installation and output shaft (4).

2. The novel gear change mechanism for a mud pump of claim 1, wherein: the input shaft (3) is connected with the universal shaft through a shaft end flange and is connected with the transmission device in parallel to provide power for the slurry pump, and the output shaft (4) is connected with the universal shaft through the shaft end flange to drive the slurry pump.

3. The novel gear change mechanism for a mud pump of claim 2, wherein: the input shaft (3) is provided with a pump clutch through a combined transmission device, and drives one or two slurry pumps independently or uniformly.

4. The novel gear change mechanism for a mud pump of claim 2, wherein: the output shaft (4) is provided with a speed change mechanism, and different rotating speeds can be output through engaging the high-speed gear and the low-speed gear, so that the pump stroke required by a mud pump drilling process is met.

5. The novel gear change mechanism for a mud pump of claim 1, wherein: the lubricating system of the gear speed changing device is forced thin oil lubrication, a motor (6) is adopted to drive a gear pump (7) to provide power for lubricating oil, so that a large amount of heat generated when parts such as gears, bearings and the like are meshed in the transmission process can be timely solved, and an oil cooler (8) is installed in a lubricating pipeline to ensure the normal temperature range of a lubricating medium.

6. The novel gear change mechanism for a mud pump of claims 1 and 5, wherein: the upper part of the upper box body (1) is provided with the air filter (9) which is used for exhausting the gear speed change device, maintaining the balance of the internal pressure and the atmospheric pressure of the box body, preventing dirt particles from entering the box body from the outside, keeping the oil in the box body clean and prolonging the service life of the speed change device.

7. The novel gear change mechanism for a mud pump of claim 5, wherein: a liquid level and liquid temperature meter (10) is installed in the gear speed changing device, the function of displaying the liquid level and the liquid temperature of the lubricating medium can be achieved simultaneously, and the vibration prevention and the leakage prevention can be achieved.