CN113982905B

CN113982905B - Reciprocating pump

Info

Publication number: CN113982905B
Application number: CN202111278379.9A
Authority: CN
Inventors: 郑上军; 王冶宁; 苟江
Original assignee: Ningbo Qianhu Petroleum Equipment Co ltd
Current assignee: Ningbo Qianhu Petroleum Equipment Co ltd
Priority date: 2021-10-30
Filing date: 2021-10-30
Publication date: 2023-05-26
Anticipated expiration: 2041-10-30
Also published as: CN113982905A

Abstract

The application relates to the field of liquid pumps, in particular to a reciprocating pump, which comprises a shell, wherein a power chamber is arranged in the shell, a liquid inlet pipe communicated with the power chamber is arranged on the shell, a liquid outlet pipe is arranged on one side of the shell away from the liquid inlet pipe, the liquid outlet pipe is communicated with the power chamber, and a first conveying pump is communicated on the liquid outlet pipe; the outer shell one end is kept away from to the feed liquor pipe is equipped with the water tank, and the interval is provided with many bleeder, and bleeder and feed liquor pipe and drain pipe all communicate, are equipped with the coupling assembling who is used for connecting water tank and bleeder between bleeder and the water tank inner wall. This application has the effect to cool off the indoor lubricating oil of power, guarantees the cooling effect of lubricating oil.

Description

Reciprocating pump

Technical Field

The present application relates to the field of liquid pumps, and in particular to a reciprocating pump.

Background

Reciprocating pumps include piston pumps, metering pumps, and diaphragm pumps, and are very widely used. The plunger pump is a piston pump, is a common type of reciprocating pump, and utilizes a motor to drive a crank to drive a plunger to move in a cavity of the reciprocating pump so as to carry out liquid delivery. The power chamber for setting the crank is usually arranged in the reciprocating pump, and a great amount of heat is generated due to the fact that the crank has a great amount of friction in high-speed movement, but when the reciprocating pump works, the temperature needs to be kept in a normal range, and damage to the reciprocating pump caused by overhigh temperature is avoided.

In order to cool the reciprocating pump, lubricating oil is usually introduced into the power chamber, the lubricating oil is used for lubricating and cooling in a splashing mode, and although the lubricating oil has a cooling effect, the self temperature can be increased when the lubricating oil is cooled, and the cooling effect on parts in the reciprocating pump can be reduced along with the gradual increase of the temperature of the lubricating oil.

Disclosure of Invention

In order to cool lubricating oil in a power chamber and ensure the cooling effect of the lubricating oil, the application provides a reciprocating pump.

The application provides a reciprocating pump, adopts following technical scheme:

the reciprocating pump comprises a shell, wherein a power chamber is arranged in the shell, a liquid inlet pipe communicated with the power chamber is arranged on the shell, a liquid outlet pipe is arranged on one side, away from the liquid inlet pipe, of the shell, the liquid outlet pipe is communicated with the power chamber, and a first conveying pump is communicated with the liquid outlet pipe;

the utility model discloses a water tank, including shell, feed liquor pipe, branch pipe, coupling assembling, the feed liquor pipe is kept away from shell one end is equipped with the water tank, the interval is provided with many bleeder in the water tank, the bleeder with the feed liquor pipe with the drain pipe all communicates, be equipped with between bleeder and the water tank inner wall and be used for connecting water tank and bleeder.

Through adopting above-mentioned technical scheme, feed liquor pipe and drain pipe are with bleeder and power room intercommunication, and lubricating oil is at bleeder and power indoor circulation, utilize many bleeder to expand the area of contact of lubricating oil and the interior cooling water of water tank, utilize the cooling water to cool off the lubricating oil, guarantee the cooling effect of lubricating oil.

Optionally, coupling assembling includes the polylith connecting plate, and the polylith the connecting plate interval sets up in the bleeder both ends, set up the installation cavity that supplies the connecting plate joint on the inner wall of water tank, the connecting cavity has been seted up on the connecting plate towards the one side of installation cavity, a plurality of connecting holes have been seted up on the connecting plate, connecting hole and bleeder one-to-one set up, inlet tube and connecting cavity intercommunication, outlet pipe and another connecting cavity intercommunication.

Through adopting above-mentioned technical scheme, lubricating oil passes through the connecting pipe and gets into the connection intracavity, and rethread connection chamber disperses lubricating oil to many bleeder, realizes separately carrying lubricating oil.

Optionally, a plurality of locking ribs are arranged on the side wall of the connecting plate.

Through adopting above-mentioned technical scheme, locking arris promotes the joint strength of connecting plate and installation cavity inner wall, promotes the joint strength of connecting plate and water tank.

Optionally, be equipped with many connecting pipes on the lateral wall of water tank, every the connecting pipe all communicates with the installation cavity, every all be equipped with quick-operation joint on the connecting pipe.

Through adopting above-mentioned technical scheme, set up quick-operation joint and make things convenient for the quick connect of feed liquor pipe and drain pipe and water tank. And after the liquid inlet pipe and the liquid outlet pipe are removed, the cooling water in the water tank is blocked from flowing out, and the state of the cooling water in the water tank is kept stable.

Optionally, a plurality of butt rods are arranged between the adjacent connecting plates, each butt end is provided with a clamping block, and one surface of each connecting plate deviating from the mounting cavity is provided with a connecting sleeve for clamping the clamping block.

By adopting the technical scheme, the supporting rod blocks the trend of the connecting plate falling out of the mounting cavity, and the stability of the connecting plate in the mounting cavity is improved.

Optionally, be equipped with a plurality of supports on the water tank inner wall, a plurality of the support distributes in the both ends of water tank, every all be equipped with the impeller on the support, the both ends the impeller orientation is opposite, be equipped with on the water tank and be used for driving impeller pivoted drive assembly.

Through adopting above-mentioned technical scheme, utilize the flow of the interior cooling water of impeller acceleration water tank, make the cooling water in the water tank fully mixed, avoid appearing in the water tank be close to the quick intensification of cooling water of bleeder, and lead to the condition that the cooling water cooling effect reduces fast.

Optionally, the drive assembly includes many transmission shafts and driving motor, the transmission shaft sets up adjacently between the impeller, driving motor sets up on the water tank, many the transmission shaft passes through the hold-in range and is connected with the synchronizing wheel, the lateral wall of water tank is run through to transmission shaft one end, the transmission shaft is equipped with the fifth wheel at the outer one end of water tank is coaxial, be equipped with the drive wheel of being connected with the fifth wheel on driving motor's the output shaft.

By adopting the technical scheme, the driving motor operates to drive the driving wheel to rotate, and the driving wheel and the driving shaft drive the impellers to rotate so as to synchronously drive the impellers.

Optionally, each connecting hole is internally provided with a bearing, and two ends of the branch pipe are arranged in the bearings.

Through adopting above-mentioned technical scheme, the bleeder rotates under the drive of cooling water, reduces the friction of cooling water and bleeder, reduces because the heat that cooling water and bleeder friction produced.

Optionally, a containing cavity is formed in the shell, a plurality of circulating pipes are arranged on the shell, one end of each circulating pipe is communicated with the containing cavity, the other end of each circulating pipe is communicated with the water tank, and a second conveying pump is communicated with one circulating pipe.

Through adopting above-mentioned technical scheme, utilize to hold the chamber and cool off the power room, and then cool off the lubricating oil of power room bottom, guarantee lubricated some cooling effect.

Optionally, the side wall of the water tank is communicated with a water inlet pipe, the side wall of the water tank is communicated with a water outlet pipe, and the water inlet pipe and the water outlet pipe are respectively provided with a control valve.

Through adopting above-mentioned technical scheme, conveniently change the cooling water in the water tank through inlet tube and outlet pipe, when the whole temperature of cooling water in the water tank is higher and lead to cooling effect greatly reduced, conveniently carry out immediate quick replacement to the cooling water in the water tank.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cooling water is used for cooling the lubricating oil, and the contact area between the lubricating oil and the cooling water in the water tank is enlarged by utilizing the plurality of branch pipes, so that the cooling effect of the lubricating oil is ensured;

2. the impeller is utilized to accelerate the flow of the cooling water in the water tank, so that the cooling water in the water tank is mixed, and the cooling effect of the cooling water on the branch pipe is maintained.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic diagram showing the internal structure of the housing.

Fig. 3 is a schematic view showing the positional relationship of the water tank and the connection plate.

Fig. 4 is a schematic view showing the internal structure of the water tank.

Fig. 5 is an exploded view showing the connection relationship of the connection plate and the abutting rod.

Reference numerals illustrate: 1. a housing; 2. a water tank; 3. a liquid outlet pipe; 4. a liquid inlet pipe; 5. a power chamber; 6. a receiving chamber; 7. a connecting plate; 71. a connection hole; 72. a bearing; 73. a connecting cavity; 8. a drive assembly; 81. a driving motor; 82. a transmission shaft; 83. a driving wheel; 84. a fifth wheel; 9. a first transfer pump; 10. a circulation pipe; 11. a second transfer pump; 12. a connecting pipe; 13. a quick-fit joint; 14. a water inlet pipe; 15. a water outlet pipe; 16. a control valve; 17. a bracket; 18. an impeller; 19. a mounting cavity; 20. a branch pipe; 21. a butt joint rod; 22. connecting sleeves; 23. a clamping block; 24. and a locking edge.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a reciprocating pump. Referring to fig. 1 and 2, a reciprocating pump includes a housing 1 and a water tank 2, a power chamber 5 for setting a transmission mechanism of the reciprocating pump and lubricating oil is provided in the housing 1, a receiving chamber 6 is provided in the housing 1, a plurality of circulation pipes 10 are communicated with the housing 1, the other end of the circulation pipe 10 is communicated with the water tank 2, and a second delivery pump 11 is communicated with one circulation pipe 10. When the transmission mechanism and the lubricating oil operate in the power chamber 5, cooling water is introduced into the accommodating cavity 6 through the water tank 2 and the delivery pump to cool the power chamber 5, so that the temperature of the lubricating oil at the bottom of the power chamber 5 is reduced, and the cooling effect of the lubricating oil is ensured.

Referring to fig. 2 and 3, a liquid inlet pipe 4 and a liquid outlet pipe 3 which are communicated with a power chamber 5 are arranged on the shell 1, the liquid outlet pipe 3 and the liquid inlet pipe 4 are arranged on two opposite side walls of the shell 1, and a first conveying pump 9 is communicated with the liquid outlet pipe 3. Be equipped with many bleeder 20 in the water tank 2, many bleeder 20 horizontal interval are arranged, and the intercommunication has many connecting pipes 12 on the lateral wall of water tank 2, and connecting pipe 12 passes through coupling assembling and bleeder 20 intercommunication, all is equipped with quick-operation joint 13 on every connecting pipe 12, and drain pipe 3 and feed liquor pipe 4 pass through quick-operation joint 13 and connecting pipe 12 intercommunication. The first transfer pump 9 transfers the lubricating oil in the power chamber 5 to the branch pipe 20 through the liquid outlet pipe 3, the branch pipe 20 is soaked in the water tank 2 filled with water, the lubricating oil is cooled in the water tank 2, and the lubricating oil flows back into the power chamber 5 again. The contact area between the lubricating oil and the cooling water is enlarged by utilizing the plurality of branch pipes 20, and the cooling effect on the lubricating oil is improved.

Referring to fig. 4, a water inlet pipe 14 and a water outlet pipe 15 are communicated with the side wall of the water tank 2, and a control valve 16 is communicated with the water inlet pipe 14 and the water outlet pipe 15. When the water tank 2 is in normal operation, the control valve 16 is kept closed, so that the water pressure in the water tank 2 is conveniently controlled. When the temperature of the cooling water in the water tank 2 is higher and the cooling effect is lost, the cooling water in the water tank 2 is conveniently replaced by the water inlet pipe 14 and the water outlet pipe 15, so that the cooling effect of the cooling water in the water tank 2 is maintained.

Referring to fig. 4, the connection assembly includes two connection plates 7 respectively disposed at two ends of the branch pipe 20, an installation cavity 19 is formed on an inner wall of the water tank 2, the connection plates 7 are clamped in the installation cavity 19, a connection cavity 73 is formed on a surface, facing the installation cavity 19 of the water tank 2, of the connection plates 7, a plurality of connection holes 71 communicated with the branch pipe 20 are formed on the connection plates 7, the connection holes 71 are disposed in one-to-one correspondence with the branch pipe 20, a bearing 72 is disposed in each connection hole 71, and the branch pipe 20 is disposed in the bearing 72. The lubricating oil enters the connection chamber 73 from the connection pipe 12, and is dispersed into the branch pipe 20 from the connection chamber 73, thereby cooling.

Referring to fig. 5, a plurality of locking ribs 24 are integrally formed on the side wall of the connecting plate 7, the locking ribs 24 are in interference fit with the mounting cavity 19, the connecting plate 7 is connected with the mounting cavity 19 more firmly, and the stability of the connecting plate 7 in the mounting cavity 19 is improved. A plurality of abutting rods 21 are arranged between the two connecting plates 7, clamping blocks 23 are uniformly formed at two ends of each abutting rod 21, and a plurality of connecting sleeves 22 for clamping the clamping blocks 23 are fixed on one surface of the connecting plates 7, which is away from the mounting cavity 19. After the connecting plate 7 is arranged in the mounting cavity 19, the clamping blocks 23 are clamped in the connecting sleeves 22, two ends of the abutting rod 21 are respectively abutted against the two connecting plates 7, the trend that the connecting plate 7 is separated from the mounting cavity 19 is blocked, the stability of the connecting plate 7 in the mounting cavity 19 is further improved, and the connecting plate 7 is connected with the water tank 2 more firmly.

Referring to fig. 4, a plurality of brackets 17 are fixed on the inner wall of the water tank 2, the brackets 17 are distributed at two ends of the water tank 2, two groups of brackets 17 are arranged at intervals along the vertical direction, impellers 18 are arranged on each bracket 17, the directions of the impellers 18 at two ends are opposite, and a driving assembly 8 for driving the impellers 18 to rotate is arranged on the water tank 2. The driving assembly 8 drives the impeller 18 to rotate, and the impeller 18 guides water to flow towards the inner wall of the water tank 2 to impact and flow along the inner wall of the water tank 2 to form a circulation. The impeller 18 accelerates the flow of water flow, promotes the flow of cooling water in the water tank 2, mixes the cooling water which absorbs a large amount of heat around the branch pipe 20 with the surrounding cooling water, ensures that the temperature of the cooling water in the water tank 2 is uniform, facilitates the measurement of the temperature of the cooling water in the water tank 2, and maintains the cooling effect of the cooling water on the branch pipe 20. When the impeller 18 drives the cooling water in the water tank 2 to flow at a high speed, a large amount of friction is generated between the cooling water and the side wall of the branch pipe 20, and heat generation occurs due to friction. The bearing 72 enables the branch pipe 20 to rotate along with the flow of the water when the branch pipe 20 is rubbed against the water flow, so that the friction between the water flow and the side wall of the branch pipe 20 is reduced, and the cooling effect of the cooling water on the branch pipe 20 is improved.

Referring to fig. 4, the driving assembly 8 includes a plurality of driving shafts 82 and a driving motor 81, the driving shafts 82 are disposed between coaxially adjacent impellers 18, the driving motor 81 is fixed on the water tank 2, the plurality of driving shafts 82 are connected through synchronous wheels and synchronous belts, one end of one driving shaft 82 penetrates through the side wall of the water tank 2, a connecting wheel 84 is coaxially fixed at one end of the driving shaft 82 outside the water tank 2, a driving wheel 83 is coaxially fixed on an output shaft of the driving motor 81, and the driving wheel 83 and the connecting wheel 84 are connected through a belt. The driving motor 81 operates to drive the driving wheel 83 to rotate, the driving wheel 83 and the connecting wheel 84 drive the transmission shafts 82 to rotate, and the plurality of transmission shafts 82 synchronously rotate under the transmission of the synchronous wheels and the synchronous belt, so that the impeller 18 is driven to rotate.

The implementation principle of the embodiment of the application is as follows: the first transfer pump 9 pumps the lubricant in the power chamber 5 to the water tank 2, the lubricant is dispersed into the plurality of branch pipes 20 after entering the water tank 2, the contact area between the branch pipes 20 and the cooling water is increased, and the lubricant is rapidly cooled by the cooling water. The cooled lubricating oil again enters the power chamber 5 for lubrication and cooling. The driving motor 81 operates to drive the impeller 18 to rotate, so that the cooling water in the water tank 2 is promoted to flow rapidly, the cooling water in the water tank 2 is uniformly mixed, the temperature of the cooling water is conveniently measured, and the cooling effect of the cooling water on the split supporting rods is improved. The cooling water in the water tank 2 is introduced into the accommodating cavity 6 through the circulating pipe 10 to cool the power chamber 5, and the temperature rise rate of lubrication is reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a reciprocating pump, includes shell (1), offer power room (5), its characterized in that in shell (1): the device is characterized in that a liquid inlet pipe (4) communicated with the power chamber (5) is arranged on the shell (1), a liquid outlet pipe (3) is arranged on one side, away from the liquid inlet pipe (4), of the shell (1), the liquid outlet pipe (3) is communicated with the power chamber (5), and a first conveying pump (9) is communicated on the liquid outlet pipe (3);

the liquid inlet pipe (4) is far away from one end of the shell (1) and is provided with a water tank (2), a plurality of branch pipes (20) are arranged in the water tank (2) at intervals, the branch pipes (20) are communicated with the liquid inlet pipe (4) and the liquid outlet pipe (3), and a connecting component used for connecting the water tank (2) and the branch pipes (20) is arranged between the branch pipes (20) and the inner wall of the water tank (2); a plurality of connecting pipes (12) are communicated with the side wall of the water tank (2), the connecting pipes (12) are communicated with the branch pipes (20) through connecting components, a quick-mounting joint (13) is arranged on each connecting pipe (12), and the liquid outlet pipe (3) and the liquid inlet pipe (4) are communicated with the connecting pipes (12) through the quick-mounting joints (13);

the connecting assembly comprises two connecting plates (7) which are respectively arranged at two ends of the branch pipe (20), the inner wall of the water tank (2) is provided with a mounting cavity (19), the connecting plates (7) are clamped in the mounting cavity (19), one surface of each connecting plate (7) facing the mounting cavity (19) of the water tank (2) is provided with a connecting cavity (73), the connecting plates (7) are provided with a plurality of connecting holes (71) communicated with the branch pipe (20), the connecting holes (71) are arranged in a one-to-one correspondence with the branch pipe (20), each connecting hole (71) is internally provided with a bearing (72), and the branch pipe (20) is arranged in the bearing (72);

a plurality of anti-loosening edges (24) are integrally formed on the side wall of the connecting plate (7), and the anti-loosening edges (24) are in interference fit with the mounting cavity (19);

a plurality of abutting rods (21) are arranged between the two connecting plates (7), clamping blocks (23) are integrally formed at two ends of each abutting rod (21), and a plurality of connecting sleeves (22) for clamping the clamping blocks (23) are fixed on one surface of the connecting plate (7) away from the mounting cavity (19);

be equipped with a plurality of supports (17) on water tank (2) inner wall, a plurality of support (17) distribute in the both ends of water tank (2), every all be equipped with impeller (18) on support (17), both ends impeller (18) orientation is opposite, be equipped with on water tank (2) and be used for driving impeller (18) pivoted drive assembly (8).

2. A reciprocating pump according to claim 1, characterized in that: the driving assembly (8) comprises a plurality of driving shafts (82) and a driving motor (81), the driving shafts (82) are arranged between the adjacent impellers (18), the driving motor (81) is arranged on the water tank (2), the driving shafts (82) are connected through synchronous belts and synchronous wheels, one ends of the driving shafts (82) penetrate through the side wall of the water tank (2), a connecting wheel (84) is coaxially arranged at one end of the driving shaft (82) outside the water tank (2), and a driving wheel (83) connected with the connecting wheel (84) is arranged on an output shaft of the driving motor (81).

3. A reciprocating pump according to claim 1, characterized in that: each connecting hole (71) is internally provided with a bearing (72), and both ends of the branch pipe (20) are arranged in the bearings (72).

4. A reciprocating pump according to claim 1, characterized in that: the water tank is characterized in that a containing cavity (6) is formed in the shell (1), a plurality of circulating pipes (10) are arranged on the shell (1), one end of each circulating pipe (10) is communicated with the corresponding containing cavity (6), the other end of each circulating pipe is communicated with the corresponding water tank (2), and a second conveying pump (11) is communicated with one circulating pipe (10).

5. A reciprocating pump according to claim 1, characterized in that: the side wall of the water tank (2) is communicated with a water inlet pipe (14), the side wall of the water tank (2) is communicated with a water outlet pipe (15), and the water inlet pipe (14) and the water outlet pipe (15) are respectively provided with a control valve (16).