CN109372741B

CN109372741B - Seawater hydraulic pump

Info

Publication number: CN109372741B
Application number: CN201811537171.2A
Authority: CN
Inventors: 周勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-14
Filing date: 2018-12-14
Publication date: 2020-10-30
Anticipated expiration: 2038-12-14
Also published as: CN109372741A

Abstract

The invention discloses a seawater hydraulic pump which comprises a supporting base, a power box body, a bearing lubricating groove and a plunger lubricating groove, wherein mounting holes are formed in four corners of the supporting base, the power box body is arranged above the supporting base, a top sealing cover plate is arranged above the power box body, and a lubricating oil filling pipe is arranged on the top sealing cover plate. Has the advantages that: by arranging the sealing ring and the end part telescopic sealing cover, the sliding separation of the power box body and the plunger box body can be realized, seawater is prevented from permeating into the power box body and corroding parts in the power box body, and the service life of the seawater hydraulic pump is prolonged; the heat-resistant and corrosion-resistant coating is arranged, so that the heat-resistant and corrosion-resistant performance of the plunger rod can be effectively improved, and the service life of the plunger rod is prolonged; through setting up lubricated pipe of turbine worm, bearing lubrication groove and plunger lubrication groove, can be fine for the inside spare part lubrication of power box, reduce frictional force promotes the performance of sea water hydraulic pump.

Description

Seawater hydraulic pump

Technical Field

The invention relates to the technical field of hydraulic pumps, in particular to a seawater hydraulic pump.

Background

With the continuous development of the existing industrial technology, the industrial automation has become the mainstream direction of the modern industrial development, the development of the industrial automation is not independent of the support of the hydraulic transmission technology, most of the traditional hydraulic transmission equipment takes industrial oil as a carrier, the pollution is larger, the cost is higher, the seawater hydraulic transmission technology is a new technology developed internationally in recent years for adapting to the ocean development, and is an important development direction of the hydraulic transmission technology, because the seawater hydraulic transmission equipment has good flame resistance, is particularly compatible with the ocean environment, has no environmental pollution and high efficiency, and is more and more emphasized by people, the seawater hydraulic component is mainly because the application of the seawater medium changes the traditional sealing and lubricating concept of people, and has the characteristics of strong corrosion resistance, low viscosity, poor lubricating performance, high vaporization pressure and the like, so the developed seawater hydraulic component has good wear resistance, The seawater hydraulic pump on the market uses, and the seawater can slowly permeate into the interior of a power box body of the hydraulic pump, so that parts in the hydraulic pump are corroded, the service life of the hydraulic pump is shortened, meanwhile, a plunger rod is in contact with the seawater, the heat resistance and corrosion resistance of the plunger rod are low, and the lubrication in the power box body is not in place, so that the parts in the power box body are seriously abraded, and the use performance of the hydraulic pump is influenced.

Disclosure of Invention

The present invention is directed to solving the above problems and to providing a seawater hydraulic pump lubrication apparatus.

The invention realizes the purpose through the following technical scheme:

a seawater hydraulic pump comprises a supporting base, a power box body, a bearing lubrication groove and a plunger lubrication groove, wherein mounting holes are formed in four corners of the supporting base, the power box body is arranged above the supporting base, a top sealing cover plate is arranged above the power box body, a lubricating oil filling pipe is arranged on the top sealing cover plate, an oil filling control valve is arranged on the lubricating oil filling pipe, a power shaft sealing cover is arranged on one side wall of the power box body, a gearbox is arranged on one side of the power shaft sealing cover, a waterproof motor is arranged on one side of the gearbox, a controller is arranged on the waterproof motor, a power shaft is arranged at the output end of the gearbox, a rolling bearing is arranged between the power shaft and the power box body, a worm is arranged on the power shaft, a turbine is arranged on one side of the worm, a turbine support is, the other side of the turbine is provided with an eccentric wheel, a connecting rod is arranged on the eccentric wheel, a plunger rod is arranged on one side of the connecting rod, a heat-resistant anti-corrosion coating is coated on the surface of the plunger rod, a sealing ring is arranged on the side wall of the plunger rod, an end part telescopic sealing cover is arranged at one end of the plunger rod, a plunger cylinder is arranged on the periphery of the sealing ring, a plunger box body is arranged on the periphery of the plunger cylinder, a working box body is arranged on one side of the plunger box body, a liquid outlet pipe is arranged above the working box body, a liquid outlet one-way valve is arranged on the liquid outlet pipe, a liquid outlet connecting flange is arranged on the liquid outlet one-way valve, a liquid inlet pipe is arranged below the working box body, a liquid inlet one-way, the bearing lubricating groove is formed in one inner wall of the power box body, and the plunger lubricating groove is formed in one side of the bearing lubricating groove.

Furthermore, the supporting base is welded with the power box body, the power box body is welded with the plunger box body, and the plunger box body is welded with the working box body.

Further, the top sealing cover plate is connected with the power box body through bolts, the lubricating oil injection pipe is connected with the top sealing cover plate through a clamp, and the lubricating oil injection pipe is connected with the oil injection control valve through threads.

Furthermore, the power shaft is connected with the power box body through the rolling bearing, and the power shaft sealing cover is connected with the power box body through a screw.

Further, the gearbox is connected with the power shaft through a coupler, the waterproof motor is connected with the gearbox through a coupler, the controller is connected with the waterproof motor through a screw, and the model of the controller is 5200-S.

Furthermore, the power shaft is connected with the worm through a key, the worm is meshed with the turbine, and the turbine is connected with the turbine support in a rolling mode.

Furthermore, the connecting rod is hinged to the eccentric wheel, the connecting rod is hinged to the plunger rod, the sealing ring is connected with the plunger rod in a clamping and pressing mode, and the end portion telescopic sealing cover is connected with the plunger rod through a screw.

Further, the liquid outlet pipe is welded with the working box body, the liquid outlet one-way valve is connected with the liquid outlet pipe through a flange, and the liquid outlet connecting flange is welded with the liquid outlet one-way valve.

Further, the feed liquor pipe with the work box welding, the feed liquor pipe with the feed liquor check valve passes through flange joint, the feed liquor check valve with the feed liquor flange welding.

Furthermore, the turbine worm lubricating pipe is connected with the oil injection pipe through threads, and the waterproof motor is electrically connected with the controller.

The specific working principle is as follows: when in use, the liquid inlet pipe is connected with a seawater conveying pipeline through the liquid inlet connecting flange, the liquid outlet pipe is connected with a hydraulic pipeline used outside through the liquid outlet connecting flange, lubricating oil is added into the power box body through the lubricating oil injection pipe, meanwhile, an external power supply is connected with the controller, the controller is used for opening the waterproof motor to start the waterproof motor, the waterproof motor transmits power to the worm on the power shaft after the speed of the gearbox is changed, the worm drives the turbine to rotate, the turbine drives the eccentric wheel to rotate, further, the plunger rod is controlled to do reciprocating motion in the plunger cylinder, the pressure inside the working box body is rapidly changed, the plunger rod is matched with the liquid inlet one-way valve and the liquid outlet one-way valve to work, and the seawater conveying process is realized, the power box body and the plunger box body are separated in a sliding way under the combined action of the sealing ring and the end part telescopic sealing cover, seawater is completely separated, parts inside the power box body are prevented from being corroded by seawater, the service life of the seawater hydraulic pump is prolonged, the turbine and worm lubricating pipe can lubricate the turbine and the worm, meanwhile, in the rotating process of the turbine and the worm, lubricating oil inside the power box body can be dropped onto the inner wall of the power box body, the lubricating oil can flow downwards along the bearing lubricating groove and the plunger lubricating groove, and the lubricating process of the rolling bearing, the plunger rod and the plunger cylinder is realized, thereby completing the lubricating process of the seawater hydraulic pump

The invention has the beneficial effects that:

1. by arranging the sealing ring and the end part telescopic sealing cover, the sliding separation of the power box body and the plunger box body can be realized, seawater is prevented from permeating into the power box body and corroding parts in the power box body, and the service life of the seawater hydraulic pump is prolonged;

2. the heat-resistant and corrosion-resistant coating is arranged, so that the heat-resistant and corrosion-resistant performance of the plunger rod can be effectively improved, and the service life of the plunger rod is prolonged;

3. through setting up lubricated pipe of turbine worm, bearing lubrication groove and plunger lubrication groove, can be fine for the inside spare part lubrication of power box, reduce frictional force promotes the performance of sea water hydraulic pump.

Drawings

FIG. 1 is a front view of a seawater hydraulic pump lubrication apparatus according to the present invention;

FIG. 2 is a sectional top view of a seawater hydraulic pump lubricating apparatus according to the present invention;

FIG. 3 is a rear sectional view of a power box of the lubricating apparatus of the seawater hydraulic pump according to the present invention;

FIG. 4 is a right sectional view of a power box of the lubricating apparatus of the seawater hydraulic pump according to the present invention;

fig. 5 is a circuit block diagram of a controller of a seawater hydraulic pump lubricating device according to the present invention.

The reference numerals are explained below:

1. a support base; 2. mounting holes; 3. a power box body; 4. a top sealing cover plate; 5. a lube oil filler pipe; 6. an oil injection control valve; 7. a waterproof motor; 8. a controller; 9. a gearbox; 10. a plunger case; 11. a working box body; 12. a liquid outlet pipe; 13. a liquid outlet one-way valve; 14. a liquid outlet connecting flange; 15. a liquid inlet pipe; 16. a liquid inlet check valve; 17. the liquid is connected with a flange; 18. a power shaft; 19. a worm; 20. a power shaft sealing cover; 21. a turbine; 22. a turbine support; 23. an eccentric wheel; 24. a connecting rod; 25. a plunger rod; 26. a heat-resistant corrosion-resistant coating; 27. a seal ring; 28. a plunger cylinder; 29. the end part is provided with a telescopic sealing cover; 30. a worm gear lubrication pipe; 31. a bearing lubrication groove; 32. a plunger lubrication groove; 33. a rolling bearing.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1-5, a seawater hydraulic pump comprises a supporting base 1, a power box 3, a bearing lubrication groove 31 and a plunger lubrication groove 32, wherein mounting holes 2 are formed at four corners of the supporting base 1, the mounting holes 2 are used for mounting the seawater hydraulic pump, the power box 3 is arranged above the supporting base 1, a top sealing cover plate 4 is arranged above the power box 3, the top sealing cover plate 4 seals the power box 3, a lubricating oil filling pipe 5 is arranged on the top sealing cover plate 4, the lubricating oil filling pipe 5 is used for filling lubricating oil into the power box 3, an oil filling control valve 6 is arranged on the lubricating oil filling pipe 5, a power shaft sealing cover 20 is arranged on one side wall of the power box 3, a gearbox 9 is arranged on one side of the power shaft sealing cover 20, and a waterproof motor 7 is arranged on one side of the gearbox 9, the waterproof motor 7 provides power for the operation of the seawater hydraulic pump, the waterproof motor 7 is provided with a controller 8, the output end of the gearbox 9 is provided with a power shaft 18, a rolling bearing 33 is arranged between the power shaft 18 and the power box body 3, the power shaft 18 is provided with a worm 19, one side of the worm 19 is provided with a turbine 21, one side of the turbine 21 is provided with a turbine support 22, the other side of the turbine 21 is provided with an eccentric wheel 23, the eccentric wheel 23 is provided with a connecting rod 24, one side of the connecting rod 24 is provided with a plunger rod 25, the surface of the plunger rod 25 is coated with a heat-resistant anti-corrosion coating 26, the side wall of the plunger rod 25 is provided with a sealing ring 27, one end of the plunger rod 25 is provided with an end part telescopic sealing cover 29, the periphery of the sealing ring 27, a working box body 11 is arranged on one side of the plunger box body 10, the plunger rod 25 reciprocates in the plunger cylinder 28, the pressure inside the working box body 11 is rapidly changed, the plunger rod cooperates with the liquid inlet one-way valve 16 and the liquid outlet one-way valve 13 to work, the seawater conveying process is realized, power is provided for the work of external hydraulic equipment, a liquid outlet pipe 12 is arranged above the working box body 11, a liquid outlet one-way valve 13 is arranged on the liquid outlet pipe 12, a liquid outlet connecting flange 14 is arranged on the liquid outlet one-way valve 13, a liquid inlet pipe 15 is arranged below the working box body 11, a liquid inlet one-way valve 16 is arranged below the liquid inlet pipe 15, a liquid inlet connecting flange 17 is arranged below the liquid inlet one-way valve 16, a worm gear lubricating pipe 30 is arranged in the middle of the upper end in the power box body 3, and the worm gear lubricating pipe 30 can lubricate the worm, the bearing lubrication groove 31 is formed in one inner wall of the power box body 3, the bearing lubrication groove 31 can lubricate the rolling bearing 33, the plunger lubrication groove 32 is formed in one side of the bearing lubrication groove 31, and the plunger lubrication groove 32 can lubricate the plunger rod 25 and the plunger cylinder 28.

In this embodiment, the support base 1 is welded to the power box 3, the power box 3 is welded to the plunger box 10, and the plunger box 10 is welded to the working box 11.

In this embodiment, the top sealing cover plate 4 is connected to the power box 3 through a bolt, the lubricating oil filling pipe 5 is connected to the top sealing cover plate 4 through a clamp, and the lubricating oil filling pipe 5 is connected to the oil filling control valve 6 through a thread.

In this embodiment, the power shaft 18 is connected to the power box 3 through the rolling bearing 33, and the power shaft sealing cover 20 is connected to the power box 3 through a screw.

In this embodiment, the gearbox 9 is connected with the power shaft 18 through a coupler, the waterproof motor 7 is connected with the gearbox 9 through a coupler, the controller 8 is connected with the waterproof motor 7 through a screw, and the model of the controller 8 is 5200-S.

In this embodiment, the power shaft 18 is connected with the worm 19 through a key, the worm 19 is meshed with the worm wheel 21, and the worm wheel 21 is connected with the worm wheel support 22 in a rolling manner.

In this embodiment, the connecting rod 24 is hinged to the eccentric wheel 23, the connecting rod 24 is hinged to the plunger rod 25, the sealing ring 27 is connected to the plunger rod 25 in a clamping and pressing manner, and the end portion telescopic sealing cover 29 is connected to the plunger rod 25 through a screw.

In this embodiment, the liquid outlet pipe 12 is welded to the work box 11, the liquid outlet check valve 13 is connected to the liquid outlet pipe 12 through a flange, and the liquid outlet connecting flange 14 is welded to the liquid outlet check valve 13.

In this embodiment, the feed liquor pipe 15 with the welding of work box 11, feed liquor pipe 15 with feed liquor check valve 16 passes through flange joint, feed liquor check valve 16 with feed liquor flange 17 welding.

In this embodiment, the worm gear lubricating pipe 30 is connected to the lubricating oil filling pipe 5 through a screw thread, and the waterproof motor 7 is electrically connected to the controller 8.

The specific working principle is as follows: when in use, the liquid inlet pipe 15 is connected with a seawater conveying pipeline through the liquid inlet connecting flange 17, the liquid outlet pipe 12 is connected with an externally used hydraulic pipeline through the liquid outlet connecting flange 14, lubricating oil is added into the power box body 3 through the lubricating oil injection pipe 5, an external power supply is connected with the controller 8, the waterproof motor 7 is started to work through the controller 8, the waterproof motor 7 transmits power to the worm 19 on the power shaft 18 after speed change of the gearbox 9, the worm 19 drives the turbine 21 to rotate, the turbine 21 drives the eccentric wheel 23 to rotate, further the plunger rod 25 is controlled to do reciprocating motion in the plunger cylinder 28, pressure inside the working box body 11 is rapidly changed, and the plunger rod is matched with the liquid inlet one-way valve 16 and the liquid outlet one-way valve 13 to work, the seawater conveying process is realized, power is provided for the work of external hydraulic equipment, the heat-resistant anti-corrosion coating 26 on the outer side of the plunger rod 25 has good heat-resistant anti-corrosion performance, the plunger rod 25 can be effectively prevented from being corroded by seawater, the sliding separation of the power box body 3 and the plunger box body 10 is realized through the combined action of the sealing ring 27 and the end part telescopic sealing cover 29, the seawater is completely isolated, the seawater is prevented from corroding internal parts of the power box body 3, the service life of the seawater hydraulic pump is prolonged, the turbine and worm lubricating pipe 30 can lubricate the turbine 21 and the worm 19, meanwhile, in the rotating process of the turbine 21 and the worm 19, the lubricating oil in the power box body 3 can be thrown onto the inner wall of the power box body 3, and the lubricating oil can flow downwards along the bearing lubricating groove 31 and the plunger lubricating groove 32, and the lubricating process of the rolling bearing 33, the plunger rod 25 and the plunger cylinder 28 is realized, and the lubricating process of the seawater hydraulic pump is further completed.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. A seawater hydraulic pump is characterized in that: the bearing lubricating device comprises a supporting base (1), a power box body (3), a bearing lubricating groove (31) and a plunger lubricating groove (32), wherein a mounting hole (2) is formed in the four corners of the supporting base (1), the power box body (3) is arranged above the supporting base (1), a top sealing cover plate (4) is arranged above the power box body (3), a lubricating oil filling pipe (5) is arranged on the top sealing cover plate (4), an oil filling control valve (6) is arranged on the lubricating oil filling pipe (5), a power shaft sealing cover (20) is arranged on one side wall of the power box body (3), a gearbox (9) is arranged on one side of the power shaft sealing cover (20), a waterproof motor (7) is arranged on one side of the gearbox (9), a controller (8) is arranged on the waterproof motor (7), and a power shaft (18) is arranged at the output end of the gearbox (9), a rolling bearing (33) is arranged between the power shaft (18) and the power box body (3), a worm (19) is arranged on the power shaft (18), a turbine (21) is arranged on one side of the worm (19), a turbine support (22) is arranged on one side of the turbine (21), an eccentric wheel (23) is arranged on the other side of the turbine (21), a connecting rod (24) is arranged on the eccentric wheel (23), a plunger rod (25) is arranged on one side of the connecting rod (24), a heat-resistant anti-corrosion coating (26) is coated on the surface of the plunger rod (25), a sealing ring (27) is arranged on the side wall of the plunger rod (25), an end part telescopic sealing cover (29) is arranged at one end of the plunger rod (25), a plunger cylinder (28) is arranged on the periphery of the sealing ring (27), a plunger box body (10) is arranged on the periphery of the plunger, a liquid outlet pipe (12) is arranged above the working box body (11), a liquid outlet one-way valve (13) is arranged on the liquid outlet pipe (12), a liquid outlet connecting flange (14) is arranged on the liquid outlet one-way valve (13), a liquid inlet pipe (15) is arranged below the working box body (11), a liquid inlet one-way valve (16) is arranged below the liquid inlet pipe (15), a liquid inlet connecting flange (17) is arranged below the liquid inlet one-way valve (16), a worm gear lubricating pipe (30) is arranged in the middle of the inner upper end of the power box body (3), a bearing lubricating groove (31) is formed on one inner wall of the power box body (3), and a plunger lubricating groove (32) is formed on one side of the bearing lubricating groove (31); the supporting base (1) is welded with the power box body (3), the power box body (3) is welded with the plunger box body (10), and the plunger box body (10) is welded with the working box body (11); the top sealing cover plate (4) is connected with the power box body (3) through bolts, the lubricating oil injection pipe (5) is connected with the top sealing cover plate (4) through a clamping hoop, and the lubricating oil injection pipe (5) is connected with the oil injection control valve (6) through threads; the power shaft (18) is connected with the power box body (3) through the rolling bearing (33), and the power shaft sealing cover (20) is connected with the power box body (3) through a screw; the gearbox (9) is connected with the power shaft (18) through a coupler, the waterproof motor (7) is connected with the gearbox (9) through a coupler, the controller (8) is connected with the waterproof motor (7) through a screw, and the controller (8) is 5200-S in model number; the power shaft (18) is in key connection with the worm (19), the worm (19) is meshed with the worm wheel (21), and the worm wheel (21) is in rolling connection with the worm wheel support (22); the connecting rod (24) is hinged with the eccentric wheel (23), the connecting rod (24) is hinged with the plunger rod (25), the sealing ring (27) is connected with the plunger rod (25) in a clamping and pressing mode, and the end part telescopic sealing cover (29) is connected with the plunger rod (25) through a screw; the liquid outlet pipe (12) is welded with the working box body (11), the liquid outlet one-way valve (13) is connected with the liquid outlet pipe (12) through a flange, and the liquid outlet connecting flange (14) is welded with the liquid outlet one-way valve (13); the liquid inlet pipe (15) is welded with the working box body (11), the liquid inlet pipe (15) is connected with the liquid inlet one-way valve (16) through a flange, and the liquid inlet one-way valve (16) is welded with the liquid inlet connecting flange (17); the worm gear and worm lubricating pipe (30) is connected with the lubricating oil injection pipe (5) through threads, and the waterproof motor (7) is electrically connected with the controller (8);

when in use, the liquid inlet pipe is connected with a seawater conveying pipeline through the liquid inlet connecting flange, the liquid outlet pipe is connected with a hydraulic pipeline used outside through the liquid outlet connecting flange, lubricating oil is added into the power box body through the lubricating oil injection pipe, meanwhile, an external power supply is connected with the controller, the controller is used for opening the waterproof motor to start the waterproof motor, the waterproof motor transmits power to the worm on the power shaft after the speed of the gearbox is changed, the worm drives the turbine to rotate, the turbine drives the eccentric wheel to rotate, further, the plunger rod is controlled to do reciprocating motion in the plunger cylinder, the pressure inside the working box body is rapidly changed, the plunger rod is matched with the liquid inlet one-way valve and the liquid outlet one-way valve to work, and the seawater conveying process is realized, the power box body and the plunger box body are separated in a sliding way under the combined action of the sealing ring and the end telescopic sealing cover, seawater is completely separated, parts inside the power box body are prevented from being corroded by seawater, the service life of the seawater hydraulic pump is prolonged, the turbine and worm lubricating pipe can lubricate the turbine and the worm, lubricating oil inside the power box body can be thrown onto the inner wall of the power box body in the rotating process of the turbine and the worm, the lubricating oil can flow downwards along the bearing lubricating groove and the plunger lubricating groove, and the lubricating process of the rolling bearing, the plunger rod and the plunger cylinder is realized, thereby completing the lubricating process of the seawater hydraulic pump.