Driving device of deep-well pump

Abstract

The utility model relates to the technical field of fluid conveying equipment, and discloses a driving device of a deep-well pump, which comprises a driving motor, a planetary reducer is mounted at the output end of the driving motor, a driving rod is mounted on one side of the planetary reducer, and a protection component is arranged on the outer side of the driving motor. A sealing assembly is mounted in the protection assembly; the protection assembly comprises a protection bottom frame, a protection top frame is installed on one side of the protection bottom frame, positioning pins are arranged on one side of the protection top frame, and inserting holes are formed in the positions, corresponding to the positioning pins, of the protection bottom frame. According to the deep-well pump driving device, the sealing performance of the deep-well pump driving device is improved through the arranged sealing assembly, the use stability of the deep-well pump driving device is improved to a certain extent, the overall structure of the driving motor and the planetary reducer is protected through the protection assembly, and normal use of the driving motor and the planetary reducer is guaranteed to a certain extent.

Description

Technical Field

[0001] The utility model relates to the technical field of fluid conveying equipment, in particular to a driving device for a deep well pump. Background Art

[0002] Fluid conveying equipment is one of the commonly used equipment in chemical production. It is used to transport fluid from one place to another to meet the requirements of process conditions. Fluid conveying equipment is usually called a pump, which can be divided into centrifugal pumps, reciprocating pumps, rotary pumps and other types.

[0003] Since deep well pumps need to work deep underground, they have very high requirements on the sealing and stability of their driving devices. Traditional deep well pump driving devices often have problems such as insufficient sealing performance and poor stability. They are easily affected by the underground environment, resulting in reduced pump efficiency or even damage. It is necessary to develop a deep well pump driving device to meet the working requirements of deep well pumps in harsh environments.

[0004] Chinese Patent Publication No.: CN218062698U discloses "A driving device of a deep well pump and a deep well pump". The driving device of the deep well pump is used to provide power for the pump body device of the deep well pump to output the medium; it includes: a motor assembly, which has at least a stator for fixing and a rotor for rotating; a barrel, which is used as the outer shell of the driving device; a cylinder, which is arranged at the top inner side of the barrel; wherein the barrel at least has: a cylinder accommodating section, which is used to accommodate the cylinder, and its inner diameter is larger than the outer size of the motor assembly; and a body accommodating section, which is used to accommodate the motor assembly, which is located on the lower side of the cylinder accommodating section. The inner diameter of the cylinder accommodating section of the driving device of the deep well pump provided by the device is larger than the outer size of the motor assembly. Therefore, when the motor is press-fitted, the damage caused by the motor to the inner wall of the barrel is relatively small.

[0005] The above-mentioned prior art utilizes a motor assembly, which at least has a stator for fixing and a rotor for rotating; a barrel, which is used as the outer shell of a driving device, and the inner diameter of the cylinder housing section of the driving device of the deep well pump provided is larger than the outer diameter of the motor assembly. Therefore, when the motor is press-fitted, the damage caused by the motor to the inner wall of the barrel is relatively small. However, the existing equipment does not have the function of sealing the deep well pump driving device during use, and has poor stability during use and is easily affected by the underground environment. Utility Model Content

[0006] The utility model aims to provide a driving device for a deep well pump to solve the problem in the background art that the driving device for a deep well pump has no sealing function, has poor stability during use, and is easily affected by the underground environment.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a driving device for a deep well pump, comprising a driving motor, a planetary reducer is installed at the output end of the driving motor, a driving rod is installed on one side of the planetary reducer, a protective component is arranged on the outside of the driving motor, and a sealing component is installed inside the protective component;

[0008] The protection assembly comprises a protection bottom frame, a protection top frame is installed on one side of the protection bottom frame, and a positioning pin is provided on one side of the protection top frame, a plug hole is provided on the protection bottom frame at a position corresponding to the positioning pin, a first flange ring is provided on the outer ring of the protection bottom frame at the joint with the protection top frame, a second flange ring is provided on the outer ring of the protection top frame at the joint with the protection bottom frame, a locking bolt is provided on one side of the second flange ring, a locking nut is sleeved on one end of the locking bolt, and a first sealing gasket is provided at the joint between the second flange ring and the first flange ring;

[0009] The sealing assembly includes a limit frame, a spring is installed inside the limit frame, and a limit block is provided at one end of the spring, a telescopic frame is connected to one side of the limit block, an O-shaped sealing gasket is installed on the inner side of the limit frame, and a second sealing gasket is provided on one side of the O-shaped sealing gasket.

[0010] Preferably, the output end of the driving motor is detachably connected to the planetary reducer, the planetary reducer is detachably connected to the driving rod, and the driving rod passes through the protective top frame and extends to the outside thereof.

[0011] Preferably, the protective bottom frame matches the shape of the protective top frame, the positioning pin is fixedly connected to the protective top frame, and the positioning pin passes through the protective bottom frame and extends to a socket opened in the protective bottom frame at a position corresponding to the positioning pin.

[0012] Preferably, there are multiple groups of locking bolts, which are symmetrically arranged on one side of the second flange ring, and the locking bolts penetrate the second flange ring and extend to the outside thereof.

[0013] Preferably, the locking bolt and the locking nut thread match each other, the limiting frame is fixedly arranged in the protective top frame, and the limiting frame is an annular structure.

[0014] Preferably, one end of the spring is detachably connected to the limiting block, and the telescopic frame passes through the limiting frame and extends to the outside thereof.

[0015] Preferably, the telescopic frame is slidably connected to the limiting frame, and the O-shaped sealing gasket matches the driving rod.

[0016] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0017] First, the utility model improves the sealing performance of the deep well pump drive device by setting up a sealing component, improves the stability of the deep well pump drive device in use to a certain extent, and reduces the impact of the underground environment. When assembling the drive motor and the planetary reducer, one side of the planetary reducer presses the telescopic frame to move, and the movement of the telescopic frame drives the limit block to move. The movement of the limit block compresses the spring, and at the same time, the planetary reducer presses the second sealing gasket to move, and the second sealing gasket presses the O-type sealing gasket to deform. The gap is compressed by the deformation of the O-type sealing gasket, thereby improving the sealing performance.

[0018] Second, the utility model protects the overall structure of the drive motor and the planetary reducer by setting up a protective component, which ensures the normal use of the drive motor and the planetary reducer to a certain extent. The protective top frame and the protective bottom frame are detachably installed together through locking bolts, which facilitates disassembly while protecting the drive motor and the planetary reducer, thereby improving the stability of the operation of the drive motor and the planetary reducer. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a cross-sectional view of the utility model;

[0021] Figure 3 For this utility model Figure 2 A magnified view of the structure at center A;

[0022] Figure 4 It is a structural schematic diagram of the limit frame and the telescopic frame of the utility model.

[0023] In the figure: 1. driving motor; 2. planetary reducer; 3. driving rod; 4. protection assembly; 401. protection bottom frame; 402. protection top frame; 403. positioning pin; 404. first flange ring; 405. second flange ring; 406. locking bolt; 407. locking nut; 408. first sealing gasket; 5. sealing assembly; 501. limit frame; 502. spring; 503. limit block; 504. telescopic frame; 505. O-type sealing gasket; 506. second sealing gasket. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 4A driving device for a deep well pump comprises a driving motor 1, a planetary reducer 2 is installed at the output end of the driving motor 1, a driving rod 3 is installed on one side of the planetary reducer 2, a protective component 4 is arranged on the outside of the driving motor 1, and a sealing component 5 is installed inside the protective component 4; the protective component 4 comprises a protective bottom frame 401, a protective top frame 402 is installed on one side of the protective bottom frame 401, and a positioning pin 403 is arranged on one side of the protective top frame 402, the protective bottom frame 401 is provided with a jack at a position corresponding to the positioning pin 403, the protective bottom frame 401 is provided with a first flange ring 404 at the outer ring of the joint between the protective bottom frame 401 and the protective top frame 402, and the protective top frame 402 is provided with a first flange ring 404 at the outer ring of the joint between the protective bottom frame 401 and the protective top frame 402. A second flange ring 405 is provided at the outer ring of the joint with the protective bottom frame 401, a locking bolt 406 is provided on one side of the second flange ring 405, a locking nut 407 is sleeved on one end of the locking bolt 406, and a first sealing gasket 408 is provided at the joint between the second flange ring 405 and the first flange ring 404; the sealing assembly 5 includes a limit frame 501, a spring 502 is installed inside the limit frame 501, and a limit block 503 is provided at one end of the spring 502, a telescopic frame 504 is connected to one side of the limit block 503, an O-type sealing gasket 505 is installed on the inner side of the limit frame 501, and a second sealing gasket 506 is provided on one side of the O-type sealing gasket 505.

[0026] Through the above technical scheme, the sealing performance of the deep well pump drive device is improved by setting the sealing component 5, and the stability of the use of the deep well pump drive device is improved to a certain extent, and the impact of the underground environment is reduced. When assembling the drive motor 1 and the planetary reducer 2, one side of the planetary reducer 2 presses the telescopic frame 504 to move, and the movement of the telescopic frame 504 drives the limit block 503 to move, and the movement of the limit block 503 compresses the spring 502, and at the same time, the planetary reducer 2 presses the second sealing gasket 506 to move, and the second sealing gasket 506 presses the O-type sealing gasket 505 to deform, and the gap is compressed by the deformation of the O-type sealing gasket 505 to improve the sealing performance. The protective component 4 is set to protect the overall structure of the drive motor 1 and the planetary reducer 2, and the normal use of the drive motor 1 and the planetary reducer 2 is guaranteed to a certain extent. The protective top frame 402 and the protective bottom frame 401 are detachably installed together by the locking bolts 406, which is convenient for disassembly while protecting the drive motor 1 and the planetary reducer 2, thereby improving the stability of the operation of the drive motor 1 and the planetary reducer 2.

[0027] Specifically, the output end of the driving motor 1 is detachably connected to the planetary reducer 2, and the planetary reducer 2 is detachably connected to the driving rod 3, and the driving rod 3 penetrates the protective top frame 402 and extends to the outside thereof.

[0028] Through the above technical solution, the driving motor 1 is connected to an external power supply and a controller to ensure the independent operation of each device. A sealing component 5 is provided at the gap of the external power supply of the driving motor 1 to ensure airtightness. The driving motor 1 drives the planetary reducer 2 to operate, thereby driving the driving rod 3 to operate, and the driving rod 3 starts the deep well pump.

[0029] Specifically, the protective bottom frame 401 matches the protective top frame 402 in shape, the positioning pin 403 is fixedly connected to the protective top frame 402 , and the positioning pin 403 passes through the protective bottom frame 401 and extends to a socket opened in the protective bottom frame 401 at a position corresponding to the positioning pin 403 .

[0030] Through the above technical solution, the protective bottom frame 401 and the protective top frame 402 are installed together to protect the assembled planetary reducer 2 and the drive motor 1. The positioning pins 403 facilitate the installation of the protective bottom frame 401 and the protective top frame 402 to improve efficiency.

[0031] Specifically, there are multiple sets of locking bolts 406 , which are symmetrically arranged on one side of the second flange ring 405 . The locking bolts 406 penetrate the second flange ring 405 and extend to the outside thereof.

[0032] Through the above technical solution, multiple sets of locking bolts 406 and locking nuts 407 are used in combination, so that the protective bottom frame 401 and the protective top frame 402 are installed together, and it is also convenient to disassemble.

[0033] Specifically, the locking bolt 406 and the locking nut 407 are threadably matched, and the limiting frame 501 is fixedly disposed in the protective top frame 402 , and the limiting frame 501 is an annular structure.

[0034] Through the above technical solution, the limiting frame 501 limits the O-type sealing gasket 505, and the O-type sealing gasket 505 is arranged in the limiting frame 501 to improve the sealing performance.

[0035] Specifically, one end of the spring 502 is detachably connected to the limiting block 503 , and the telescopic frame 504 passes through the limiting frame 501 and extends to the outside thereof.

[0036] Through the above technical solution, the spring 502 facilitates the telescopic frame 504 to perform telescopic operation in the limit frame 501, and facilitates the planetary reducer 2 to press the telescopic frame 504 to move when assembling the planetary reducer 2 and the drive motor 1.

[0037] Specifically, the telescopic frame 504 is slidably connected to the limiting frame 501 , and the O-type sealing gasket 505 matches the driving rod 3 .

[0038] Through the above technical solution, when the planetary reducer 2 is assembled, the second sealing gasket 506 is pressed to move, and the movement of the second sealing gasket 506 presses the O-type sealing gasket 505 to deform. The deformation of the O-type sealing gasket 505 is used to compress the gap to improve the sealing performance.

[0039] During use, when it is necessary to seal the gap at the drive rod 3, the user assembles the planetary reducer 2 and the drive motor 1, passes the drive rod 3 through the protective top frame 402, and the planetary reducer 2 presses the telescopic frame 504 to move, and the movement of the telescopic frame 504 drives the limit block 503 to move, and the movement of the limit block 503 compresses the spring 502, and at the same time, the planetary reducer 2 presses the second sealing gasket 506 to move, and the movement of the second sealing gasket 506 presses the O-type sealing gasket 505 to deform, and the O-type sealing gasket 505 deforms and compresses the gap to improve the sealing performance. When it is necessary to protect the outer side of the assembled planetary reducer 2 and the drive motor 1 When the positioning pin 403 is inserted into the insertion hole of the protective bottom frame 401 at the position corresponding to the positioning pin 403, the first sealing gasket 408 is placed in the middle position between the second flange ring 405 and the first flange ring 404, the second flange ring 405 is fitted with the first flange ring 404, so that the locking bolt 406 passes through the second flange ring 405 and the locking bolt 406, and the locking nut 407 is installed at one end of the locking bolt 406, and the locking bolt 406 and the locking nut 407 are tightened, so that the protective bottom frame 401 and the protective top frame 402 are tightly assembled together to protect the planetary reducer 2 and the outside of the drive motor 1.

[0040] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A driving device for a deep well pump, comprising a driving motor (1), characterized in that: A planetary reducer (2) is installed at the output end of the drive motor (1), a drive rod (3) is installed on one side of the planetary reducer (2), a protective component (4) is arranged on the outside of the drive motor (1), and a sealing component (5) is installed inside the protective component (4); The protection component (4) comprises a protection bottom frame (401), a protection top frame (402) is installed on one side of the protection bottom frame (401), and a positioning pin (403) is provided on one side of the protection top frame (402), and a plug hole is provided on the protection bottom frame (401) at a position corresponding to the positioning pin (403), a first flange ring (404) is provided on the outer ring of the protection bottom frame (401) at the joint with the protection top frame (402), and a second flange ring (405) is provided on the outer ring of the joint with the protection top frame (402) at the joint with the protection bottom frame (401), a locking bolt (406) is provided on one side of the second flange ring (405), and a locking nut (407) is sleeved on one end of the locking bolt (406), and a first sealing gasket (408) is provided at the joint between the second flange ring (405) and the first flange ring (404); The sealing assembly (5) comprises a limit frame (501), a spring (502) is installed inside the limit frame (501), and a limit block (503) is provided at one end of the spring (502), a telescopic frame (504) is connected to one side of the limit block (503), an O-type sealing gasket (505) is installed on the inner side of the limit frame (501), and a second sealing gasket (506) is provided on one side of the O-type sealing gasket (505).

2. A driving device for a deep well pump according to claim 1, characterized in that: The output end of the driving motor (1) is detachably connected to the planetary reducer (2), and the planetary reducer (2) is detachably connected to the driving rod (3), and the driving rod (3) passes through the protective top frame (402) and extends to the outside thereof.

3. A driving device for a deep well pump according to claim 1, characterized in that: The protective bottom frame (401) matches the protective top frame (402) in shape, the positioning pin (403) is fixedly connected to the protective top frame (402), and the positioning pin (403) passes through the protective bottom frame (401) and extends to a socket provided in the protective bottom frame (401) at a position corresponding to the positioning pin (403).

4. A driving device for a deep well pump according to claim 1, characterized in that: The locking bolts (406) are multiple groups, and the multiple groups of locking bolts (406) are symmetrically arranged on one side of the second flange ring (405). The locking bolts (406) penetrate the second flange ring (405) and extend to the outside thereof.

5. A driving device for a deep well pump according to claim 1, characterized in that: The locking bolt (406) and the locking nut (407) are threadedly matched, and the limiting frame (501) is fixedly arranged in the protective top frame (402), and the limiting frame (501) is an annular structure.

6. A driving device for a deep well pump according to claim 1, characterized in that: One end of the spring (502) is detachably connected to the limiting block (503), and the telescopic frame (504) penetrates the limiting frame (501) and extends to the outside thereof.

7. A driving device for a deep well pump according to claim 1, characterized in that: The telescopic frame (504) is slidably connected to the limiting frame (501), and the O-type sealing gasket (505) matches the driving rod (3).

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