Vertical submerged lubricating oil pump with check valve, pressure tapping pipe, lubricating oil pipe and emptying pipe on pump outlet pipe

By designing a vertical under-liquid lubricating oil pump with check valve, pressure extraction pipe, lubricating oil pipe and drain pipe, the pipe layout and installation problems caused by the limited size and space of the oil station during use of the lubricating oil pump are solved, and convenient and efficient use and simplified installation and maintenance process are achieved.

CN222650208UActive Publication Date: 2025-03-21SICHUAN SHENGDA PUMP IND EQUIP MFG CO LTD
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Patent Information

Application Number
CN202421242416.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-03
Publication Date
2025-03-21
Estimated Expiration
2034-06-03

AI Technical Summary

Technical Problem

During the use of existing lubricating oil pumps, due to the limited size and space of the centralized oil station, the problems of pipe layout, valve installation and pressure extraction pipelines are difficult to meet the customer's size requirements, affecting convenient and efficient use.

Method used

A vertical under-liquid lubricating oil pump with check valve, pressure extraction pipe, lubricating oil pipe, and drain pipe is designed. By installing control components at the pump outlet, the control components of the pipeline above the oil station are cancelled, and the lubrication and drain functions are directly realized on the pump body, simplifying the pipeline layout.

Benefits of technology

It realizes the convenient and efficient use of lubricating oil pumps, reduces leakage risks, simplifies the installation and maintenance process, meets the customer's size requirements, and provides strong guarantees for the long-term operation of centralized lubricating oil stations.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222650208U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of lubricating oil pumps, in particular to a vertical submerged lubricating oil pump with a check valve, a pressure tapping pipe, a lubricating oil pipe and an emptying pipe on a pump outlet pipe, which comprises a mounting plate, a driving component, an equipment component, a lubricating component, a control component, a mounting component and an adjusting component. A driving assembly is arranged above the mounting plate, an equipment assembly is arranged below the mounting plate, a lubricating assembly is arranged on one side of the equipment assembly, a control assembly is arranged on the side wall of the lubricating assembly, a mounting assembly is arranged on the side wall of the control assembly, and an adjusting assembly is arranged on the side wall of the control assembly; according to the lubricating oil pump, the lubricating structure and the control structure are arranged, so that the lubricating oil pump integrates multiple functions, simplifies pipelines on an oil station, can effectively reduce leakage, is convenient to install and maintain, and is a powerful guarantee for long-acting operation of a centralized lubricating oil station, and therefore the efficient and practical effects can be achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of lubricating oil pumps, in particular to a vertical submerged lubricating oil pump with a pump outlet pipe having a check valve, a pressure taking pipe, a lubricating oil pipe and a drain pipe. Background Art

[0002] The bearing parts of large rotating equipment such as steam turbines need good lubrication when they are working. Generally, they are supplied with oil from centralized lubricating oil stations. Using centralized lubricating oil stations to supply oil can simplify on-site installation and save space. However, sometimes there are requirements for the size of centralized oil stations, and the space of the oil station itself is also limited. Many equipment need to be installed on it, and pipes need to be laid, valves and pressure-taking pipelines need to be installed, and operating space needs to be reserved. At this time, the overall layout of the oil station is not good, and it may even fail to meet the customer's size requirements. Therefore, it is necessary to transplant some functions of the oil station to the vertical lubricating oil pump. It is necessary to design a vertical submersible lubricating oil pump with a check valve, a pressure-taking pipe, a lubricating oil pipe, and a drain pipe. The utility model relates to the technical field of lubricating oil pumps. With the development of society, the lubricating oil pump industry has become more and more developed, and lubricating oil pumps have been continuously improved to meet the needs of production. Utility Model Content

[0003] In order to overcome the problems encountered during the use of lubricating oil pumps, sometimes the size of the centralized oil station is required, and the space of the oil station itself is limited. A lot of equipment needs to be installed on it, and pipes need to be laid, valves and pressure-taking pipelines need to be installed, and operating space needs to be reserved. At this time, the overall layout of the oil station is not good, and it may even fail to meet the customer's size requirements. Therefore, it is necessary to transplant some functions of the oil station to the vertical lubricating oil pump, which makes it inconvenient to achieve convenient, efficient and practical problems.

[0004] The technical solution of the utility model is: a vertical submersible lubricating oil pump with a pump outlet pipe having a check valve, a pressure taking pipe, a lubricating oil pipe and a drain pipe, comprising a mounting plate, a driving assembly, a device assembly, a lubricating assembly, a control assembly, a mounting assembly and an adjusting assembly; a driving assembly is arranged above the mounting plate, a device assembly is arranged below the mounting plate, a lubricating assembly is arranged on one side of the device assembly, a control assembly is arranged on the side wall of the lubricating assembly, a mounting assembly is arranged on the side wall of the control assembly, and an adjusting assembly is arranged on the side wall of the control assembly.

[0005] Preferably, first, a control assembly is added to the outlet of the pump, which has a simple structure and can eliminate the control assembly of the pipeline above the oil station. The closer the pump outlet control assembly is to the pump body, the better. When the pump is stopped, the more oil is stored in the pipeline, which is more conducive to secondary start-up or quick start-up. Then, a pipeline is led from the pump body outlet to connect with the bearing part on the pump to form a lubrication assembly. This pipeline can be used to exhaust air when the pump is started. After the air is exhausted, the lubricating oil discharged can be used to lubricate the upper bearing. Therefore, the pump does not need to consider lubrication separately, and the pipeline of the oil station above does not need to be considered for emptying.

[0006] Preferably, the drive assembly includes a drive motor and a mounting seat; a motor seat is arranged above the mounting plate, and a drive motor is arranged above the motor seat, and the drive motor is fixedly connected to the motor seat; the drive shaft can be driven to rotate by starting the drive motor, and the drive motor can be securely installed through the mounting seat.

[0007] Preferably, the equipment assembly includes a connecting pipe, a guard plate and a pump body; a connecting pipe is arranged below the mounting plate, a pump body is arranged at one end of the connecting pipe, and a guard plate is arranged above the pump body; the guard plate can be used for auxiliary installation and can also achieve a protective effect.

[0008] Preferably, the lubrication assembly includes a lubricating oil pipe and an outlet pipeline; the outlet pipeline is provided on the side wall of the pump body, and the lubricating oil pipeline is provided on the side wall of the outlet pipeline, and one end of the lubricating oil pipeline is connected to the bearing part; a pipeline is led from the outlet pipeline to communicate with the bearing part on the pump to form a lubricating oil pipeline, and this pipeline can be used to exhaust air when the pump is started, and the lubricating oil discharged after the air is exhausted is used to lubricate the upper bearing. Therefore, the pump does not need to consider lubrication separately, and the upper oil station pipeline does not need to consider emptying.

[0009] Preferably, the control component includes a check valve, a connecting flange and a water outlet pipe; a connecting flange is provided at one end of the outlet pipe, a water outlet pipe is provided on one side of the connecting flange, and a check valve is provided on the side wall of the water outlet pipe; a clamp-type check valve is installed on the outlet pipe of the pump, which has a simple structure and can eliminate the check valve on the pipeline above the oil station. The closer the check valve on the pump outlet pipe is to the pump body, the better. When the pump is stopped, more oil is stored in the pipeline, which is more conducive to secondary start-up or quick start-up.

[0010] Preferably, the mounting assembly includes mounting bolts and mounting nuts; mounting bolts are provided on one side of the connecting flange, and multiple groups of mounting bolts are provided; mounting nuts are provided on the other side of the connecting flange, and the mounting bolts are threadedly connected to the mounting nuts; through the cooperation of multiple groups of mounting bolts and mounting nuts, the water outlet pipe and the outlet pipe can be fastened and installed through the connecting flange.

[0011] Preferably, the regulating assembly comprises a water outlet pipe flange, a pressure-taking pipe and an emptying pipe; a pressure-taking pipe is arranged on the side wall of the check valve, one end of the pressure-taking pipe is connected to the side wall of the water outlet pipe, one end of the water outlet pipe is arranged with a water outlet pipe flange, and an emptying pipe is arranged below the water outlet pipe flange; a pipe is led to the upper surface of the mounting plate on the flange at the front end of the check valve, and a pressure measuring joint is left, and this joint can be directly installed with a pressure gauge to measure the outlet pressure of the pump, and can also be connected to the pipe to lead the pressure to the instrument panel, so there is no need to open another pressure-taking hole on the oil station pipeline, thereby reducing leakage points; an emptying pipe is welded at the lower part of the water outlet pipe flange of the pump, and a removable valve is installed in the middle, and the pipe is introduced below the mounting plate, and the small valve is closed when the pump is working, and the pipe does not work. When the oil station stops the pump for maintenance, the valve can be opened to discharge the lubricating oil in the outlet pipe into the oil tank, so as to avoid excessive oil leakage and pollution of the environment when the pipe is dismantled, and maintenance is convenient, and there is no need to set up an oil drain valve for the oil station pipeline.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with the traditional lubricating oil pump, in the process of use, sometimes the size of the centralized oil station is required, and the space of the oil station itself is also limited. Many equipment need to be installed on it, and pipes need to be laid, valves and pressure-taking pipelines need to be installed, and operating space needs to be reserved. At this time, the overall layout of the oil station is not good, and it may not even meet the customer's size requirements. Therefore, it is necessary to transplant some functions of the oil station to the vertical lubricating oil pump, which is inconvenient to achieve convenient, efficient and practical problems. The lubricating oil pump is provided with a lubrication structure and a control structure. This vertical submersible lubricating oil pump with a check valve, a pressure-taking pipe, a lubricating oil pipe, and a drain pipe integrates more functions, simplifies the pipelines on the oil station, can effectively reduce leakage, and is convenient for installation and maintenance. It is a strong guarantee for the long-term operation of the centralized lubricating oil station, thereby achieving efficient and practical effects;

[0014] 2. First, install a wafer-type check valve on the outlet pipeline of the pump. The structure is simple, and the check valve on the pipeline above the oil station can be eliminated. The closer the check valve on the pump outlet pipe is to the pump body, the better. When the pump is stopped, the more oil is stored in the pipeline, which is more conducive to secondary start-up or quick start-up. Then, lead a pipeline from the pump body outlet to the bearing part on the pump to form a lubricating oil pipeline. This pipeline can be used to exhaust air when the pump is started. After the air is exhausted, the lubricating oil discharged can be used to lubricate the upper bearing. Therefore, the pump does not need to consider lubrication separately, and the pipeline of the oil station above does not need to be emptied, so that the effect of convenient lubrication can be achieved;

[0015] 3. In addition, a pipeline is connected to the upper surface of the mounting plate from the flange at the front end of the check valve, and a pressure measuring joint is left. This joint can be directly installed with a pressure gauge to measure the outlet pressure of the pump, or it can be connected to the instrument panel. Therefore, there is no need to open another pressure hole on the oil station pipeline to reduce leakage points. At the same time, a row of empty pipelines is welded at the lower part of the outlet flange of the pump, with a removable valve in the middle. The pipeline is introduced below the mounting plate. When the pump is working, the small valve is closed and the pipeline does not work. When the oil station stops the pump for maintenance, the lubricating oil in the outlet pipeline can be discharged into the oil tank by opening this valve to avoid excessive oil leakage when the pipeline is removed and pollute the environment. There is no need to set up an oil drain valve on the oil station pipeline, so that the maintenance effect can be achieved conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The first three-dimensional structure schematic diagram of a vertical submersible lubricating oil pump of the utility model is shown, wherein the pump outlet pipe is provided with a check valve, a pressure taking pipe, a lubricating oil pipe, and a drain pipe;

[0017] Figure 2 The first partial three-dimensional structure schematic diagram of a vertical submersible lubricating oil pump of the utility model is shown, wherein the pump outlet pipe is provided with a check valve, a pressure taking pipe, a lubricating oil pipe, and a drain pipe;

[0018] Figure 3 The second partial stereoscopic structure diagram of a vertical submersible lubricating oil pump of the utility model is shown, wherein the pump outlet pipe is provided with a check valve, a pressure taking pipe, a lubricating oil pipe, and a drain pipe;

[0019] Figure 4 Shown is a schematic diagram of the third partial stereoscopic structure of a vertical submersible lubricating oil pump of the utility model, wherein the pump outlet pipe is provided with a check valve, a pressure taking pipe, a lubricating oil pipe, and a drain pipe;

[0020] Explanation of the accompanying drawings: 1. Drive assembly; 2. Equipment assembly; 3. Lubrication assembly; 4. Control assembly; 5. Installation assembly; 6. Adjustment assembly; 7. Installation plate; 101. Drive motor; 102. Motor seat; 201. Connecting pipe; 202. Pump body; 203. Guard plate; 301. Lubricating oil pipeline; 302. Outlet pipeline; 401. Check valve; 402. Connecting flange; 403. Water outlet pipeline; 501. Mounting bolt; 502. Mounting nut; 601. Water outlet pipe flange; 602. Pressure taking pipeline; 603. Drain pipeline. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1The utility model provides an embodiment: a vertical submersible lubricating oil pump with a pump outlet pipe having a check valve, a pressure taking pipe, a lubricating oil pipe, and a drain pipe, comprising a mounting plate 7, a drive assembly 1, a device assembly 2, a lubricating assembly 3, a control assembly 4, a mounting assembly 5, and an adjusting assembly 6; the drive assembly 1 is arranged above the mounting plate 7, the device assembly 2 is arranged below the mounting plate 7, the lubricating assembly 3 is arranged on one side of the device assembly 2, the control assembly 4 is arranged on the side wall of the lubricating assembly 3, the mounting assembly 5 is arranged on the side wall of the control assembly 4, and the adjusting assembly 6 is arranged on the side wall of the control assembly 4.

[0023] See also Figure 2 , the driving assembly 1 includes a driving motor 101 and a mounting seat; a motor seat 102 is arranged above the mounting plate 7, and a driving motor 101 is arranged above the motor seat 102, and the driving motor 101 is fixedly connected to the motor seat 102; the driving shaft can be driven to rotate by starting the driving motor 101, and the driving motor 101 can be fastened and installed through the mounting seat; the equipment assembly 2 includes a connecting pipe 201, a guard plate 203 and a pump body 202; a connecting pipe 201 is arranged below the mounting plate 7, a pump body 202 is arranged at one end of the connecting pipe 201, and a guard plate 203 is arranged above the pump body 202; by The guard plate 203 can be installed as an auxiliary device and can also achieve a protective effect; the lubricating component 3 includes a lubricating oil pipeline 301 and an outlet pipeline 302; the outlet pipeline 302 is arranged on the side wall of the pump body 202, and the lubricating oil pipeline 301 is arranged on the side wall of the outlet pipeline 302, and one end of the lubricating oil pipeline 301 is connected to the bearing part; a pipeline is led from the outlet pipeline 302 to connect with the bearing part on the pump to form the lubricating oil pipeline 301, which can be used to exhaust air when the pump is started, and the lubricating oil discharged after the air is exhausted can realize lubrication of the upper bearing, so the pump does not need to consider lubrication separately, and the upper oil station pipeline does not need to consider emptying.

[0024] See also Figure 3-4In this embodiment, the control component 4 includes a check valve 401, a connecting flange 402 and a water outlet pipeline 403; a connecting flange 402 is provided at one end of the outlet pipeline 302, a water outlet pipeline 403 is provided on one side of the connecting flange 402, and a check valve 401 is provided on the side wall of the water outlet pipeline 403; a wafer-type check valve 401 is installed on the outlet pipe of the pump, and the structure is also simple, so that the check valve 401 of the pipeline above the oil station can be cancelled. The closer the check valve 401 of the pump outlet pipe is to the pump body 202, the better. When the pump is stopped, the pipe The more oil is stored in the pipeline, the more conducive it is to secondary starting or quick starting; the mounting assembly 5 includes a mounting bolt 501 and a mounting nut 502; a mounting bolt 501 is provided on one side of the connecting flange 402, and multiple groups of mounting bolts 501 are provided, and a mounting nut 502 is provided on the other side of the connecting flange 402, and the mounting bolt 501 is threadedly connected with the mounting nut 502; through the cooperation of multiple groups of mounting bolts 501 and mounting nuts 502, the water outlet pipeline 403 and the outlet pipeline 302 can be fastened through the connecting flange 402 Installation; the regulating assembly 6 includes a water outlet pipe flange 601, a pressure-taking pipeline 602 and an emptying pipeline 603; a pressure-taking pipeline 602 is arranged on the side wall of the check valve 401, one end of the pressure-taking pipeline 602 is connected to the side wall of the water outlet pipeline 403, one end of the water outlet pipeline 403 is arranged with a water outlet pipe flange 601, and an emptying pipeline 603 is arranged below the water outlet pipe flange 601; a pipeline is connected to the upper surface of the mounting plate 7 on the flange at the front end of the check valve 401, and a pressure measuring joint is left, which can directly install the pressure The meter measures the outlet pressure of the pump, and can also take over the pipe to lead the pressure to the instrument panel. Therefore, there is no need to open an additional pressure hole on the oil station pipeline to reduce leakage points. A row of empty pipes 603 is welded at the lower part of the pump's outlet pipe flange 601, with a replaceable valve in the middle. The pipeline is introduced below the mounting plate 7. When the pump is working, the small valve is closed and the pipeline does not work. When the oil station stops the pump for maintenance, this valve can be opened to discharge the lubricating oil in the outlet pipeline 302 into the oil tank to avoid excessive oil leakage when the pipeline is dismantled and pollute the environment. It is convenient for maintenance and there is no need to set up an additional oil drain valve on the oil station pipeline.

[0025] When working, first, a wafer-type check valve 401 is installed on the outlet pipe 302 of the pump. The structure is simple, and the check valve 401 on the pipeline above the oil station can be eliminated. The closer the check valve 401 of the pump outlet pipe is to the pump body 202, the better. When the pump is stopped, more oil is stored in the pipeline, which is more conducive to secondary start-up or quick start-up.

[0026] Then, a pipeline is led from the outlet of the pump body 202 to communicate with the bearing part of the pump to form a lubricating oil pipeline 301. This pipeline can be used to exhaust air when the pump is started. The lubricating oil exhausted after the air is exhausted can lubricate the upper bearing. Therefore, the pump does not need to consider lubrication separately, and the upper oil station pipeline does not need to consider emptying.

[0027] In addition, a pipeline is connected to the upper surface of the mounting plate 7 on the flange at the front end of the check valve 401, and a pressure measuring joint is left. This joint can be directly installed with a pressure gauge to measure the outlet pressure of the pump, and can also be connected to the instrument panel. Therefore, there is no need to open another pressure tapping hole on the pipeline of the oil station, reducing leakage points;

[0028] At the same time, an empty pipe 603 is welded at the lower part of the pump's outlet pipe flange 601, with a replaceable valve in the middle. The pipe is introduced below the mounting plate 7. When the pump is working, the small valve is closed and the pipe does not work. When the oil station stops the pump for maintenance, the lubricating oil in the outlet pipe 302 can be discharged into the oil tank by opening this valve, avoiding excessive oil leakage and pollution of the environment when the pipe is removed. It is convenient for maintenance and there is no need to set up an oil drain valve for the oil station pipe.

[0029] Through the above steps, first, a control component 4 is added to the outlet of the pump, and the structure is also simple, so the control component 4 of the pipeline above the oil station can be eliminated. The closer the pump outlet control component 4 is to the pump body 202, the better. When the pump is stopped, the more oil is stored in the pipeline, which is more conducive to secondary start-up or quick start-up. Then, a pipeline is led from the outlet of the pump body 202 to the bearing part of the pump to form a lubrication component 3. This pipeline can be used to exhaust air when the pump is started. After the air is exhausted, the lubricating oil discharged can realize the lubrication of the upper bearing. Therefore, the pump does not need to consider lubrication separately, and the pipeline of the oil station above does not need to consider emptying.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A vertical submersible lubricating oil pump having a pump outlet pipe with a check valve, a pressure-taking pipe, a lubricating oil pipe, and a drain pipe, comprising a mounting plate (7); characterized in that: The invention also comprises a driving component (1), a device component (2), a lubricating component (3), a control component (4), a mounting component (5) and an adjusting component (6); the driving component (1) is arranged above the mounting plate (7), the device component (2) is arranged below the mounting plate (7), the lubricating component (3) is arranged on one side of the device component (2), the control component (4) is arranged on the side wall of the lubricating component (3), the mounting component (5) is arranged on the side wall of the control component (4), and the adjusting component (6) is arranged on the side wall of the control component (4).

2. A vertical submersible lubricating oil pump with a pump outlet pipe having a check valve, a pressure taking pipe, a lubricating oil pipe, and a drain pipe according to claim 1, characterized in that: The driving assembly (1) comprises a driving motor (101) and a mounting seat; a motor seat (102) is arranged above the mounting plate (7), a driving motor (101) is arranged above the motor seat (102), and the driving motor (101) is fixedly connected to the motor seat (102).

3. A vertical submersible lubricating oil pump with a pump outlet pipe having a check valve, a pressure taking pipe, a lubricating oil pipe, and a drain pipe according to claim 1, characterized in that: The equipment component (2) comprises a connecting pipe (201), a guard plate (203) and a pump body (202); the connecting pipe (201) is arranged below the mounting plate (7), the pump body (202) is arranged at one end of the connecting pipe (201), and the guard plate (203) is arranged above the pump body (202).

4. A vertical submersible lubricating oil pump with a pump outlet pipe having a check valve, a pressure taking pipe, a lubricating oil pipe, and a drain pipe according to claim 3, characterized in that: The lubrication assembly (3) comprises a lubricating oil pipeline (301) and an outlet pipeline (302); the outlet pipeline (302) is arranged on the side wall of the pump body (202), the lubricating oil pipeline (301) is arranged on the side wall of the outlet pipeline (302), and one end of the lubricating oil pipeline (301) is connected to the bearing part.

5. A vertical submersible lubricating oil pump with a pump outlet pipe having a check valve, a pressure taking pipe, a lubricating oil pipe, and a drain pipe according to claim 4, characterized in that: The control component (4) comprises a check valve (401), a connecting flange (402) and a water outlet pipeline (403); a connecting flange (402) is arranged at one end of the outlet pipeline (302), a water outlet pipeline (403) is arranged on one side of the connecting flange (402), and a check valve (401) is arranged on the side wall of the water outlet pipeline (403).

6. A vertical submersible lubricating oil pump with a pump outlet pipe having a check valve, a pressure taking pipe, a lubricating oil pipe, and a drain pipe according to claim 5, characterized in that: The mounting assembly (5) comprises mounting bolts (501) and mounting nuts (502); a mounting bolt (501) is arranged on one side of the connecting flange (402), and a plurality of mounting bolts (501) are arranged; a mounting nut (502) is arranged on the other side of the connecting flange (402), and the mounting bolts (501) and the mounting nuts (502) are threadedly connected.

7. A vertical submersible lubricating oil pump with a pump outlet pipe having a check valve, a pressure-taking pipe, a lubricating oil pipe, and a drain pipe according to claim 5, characterized in that: The regulating assembly (6) comprises a water outlet pipe flange (601), a pressure-taking pipeline (602) and an exhaust pipeline (603); a pressure-taking pipeline (602) is arranged on the side wall of the check valve (401), one end of the pressure-taking pipeline (602) is connected to the side wall of the water outlet pipe (403), one end of the water outlet pipe (403) is arranged with a water outlet pipe flange (601), and an exhaust pipeline (603) is arranged below the water outlet pipe flange (601).