CN212774626U

CN212774626U - High-pressure water pump

Info

Publication number: CN212774626U
Application number: CN202021070770.0U
Authority: CN
Inventors: 刘胡; 李勇; 李德喜
Original assignee: Hunan Hengwei Engineering Technology Co ltd
Current assignee: Hunan Hengwei Engineering Technology Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-03-23
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a high pressure water pump relates to high pressure water pump technical field. The utility model provides a high pressure water pump, includes the water pump base, one side fixed mounting at water pump base top has driving motor, and driving motor's output end fixedly connected with motor shaft, the first gearbox of one end fixedly connected with of motor shaft, and the first drive shaft of one end fixedly connected with of first gearbox, first drive shaft one side fixedly connected with change speed gear case, and one side fixedly connected with change speed gear case axle of change speed gear case. The utility model discloses a setting of gear oil pump for bent axle, change gear box, first plunger, second plunger and various antifriction bearing in the middle of the system can obtain sufficient lubrication, can guarantee the normal work of above-mentioned spare part and life's extension, can reduce the operating temperature of first plunger and second plunger and seal assembly simultaneously, prolongs first plunger and second plunger and seal assembly's live time.

Description

High-pressure water pump

Technical Field

The utility model relates to a high pressure water pump technical field specifically is a high pressure water pump.

Background

The high pressure water pump is generally completed by the reciprocating motion of a plunger in a plunger sleeve, when the plunger is positioned at the lower part, two water holes on the plunger sleeve are opened, the inner cavity of the plunger sleeve is communicated with an oil duct in a pump body, fuel oil is quickly filled in an oil chamber, when a cam is propped against a roller of the roller body, the plunger is lifted and moves upwards from the beginning of the plunger until the oil hole is blocked by the upper end surface of the plunger, in the period, the fuel oil is extruded from the oil chamber to flow to the oil duct due to the motion of the plunger, so the lift is called as a pre-stroke, when the plunger blocks the water holes, the water pressing process is started, the plunger moves upwards, the oil pressure in the oil chamber is sharply increased, when the pressure exceeds the elastic force and the upper oil pressure of the oil outlet valve, the fuel oil is pressed into an oil pipe and sent to an oil injector, the moment when the oil inlet hole on the plunger sleeve is completely, when the plunger continues to move upwards, the oil supply is continued all the time, the oil pressing process is continued until the spiral bevel edge on the plunger lets the oil return hole of the plunger sleeve open, when the plunger is opened, high-pressure oil flows back to the oil duct in the pump body from the oil chamber through the longitudinal groove on the plunger and the oil return hole on the plunger sleeve, the oil pressure of the oil chamber of the plunger sleeve is rapidly reduced, the oil falls back to the valve seat under the action of medium oil pressure, and the oil injection is immediately stopped.

However, the high-pressure water pump mainly performs piston movement, and meanwhile, various gears are arranged, a large amount of heat is generated in the movement process, so that the high-pressure water pump cannot be used for a long time, meanwhile, the high-pressure water pump is large in abrasion, and the service life of the high-pressure water pump is prolonged in order to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high pressure water pump to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-pressure water pump comprises a water pump base, wherein a driving motor is fixedly mounted on one side of the top of the water pump base, a motor shaft is fixedly connected to the output end of the driving motor, a first gearbox is fixedly connected to one end of the motor shaft, a first driving shaft is fixedly connected to one end of the first gearbox, a speed change gear box is fixedly connected to one side of the first driving shaft, a speed change gear box shaft is fixedly connected to one side of the speed change gear box, a speed change gear box top cover is fixedly mounted on the top of the speed change gear box, a second gearbox is fixedly connected to one side of the speed change gear box shaft, a second driving shaft is fixedly connected to one side of the second gearbox, a hydraulic cylinder is fixedly connected to one side of the second driving shaft, a hydraulic cylinder cover is fixedly mounted on the top of the hydraulic cylinder, three first plungers are fixedly mounted in the hydraulic cylinder, and a second plunger, the one end fixedly connected with of second plunger inhales the assembly, inhale one side fixedly connected with outlet pipe of assembly, and inhale the opposite side fixedly connected with of assembly and absorb water the pipe, the one side fixed mounting who inhales the assembly top has pressure sensor, and inhales the opposite side fixed mounting at assembly top and have the check valve, one side fixed mounting at water pump base top has the gear oil pump.

Preferably, the hydraulic cylinder is adapted to the intake assembly, and the first plunger is adapted to the second plunger.

Preferably, an oil delivery pipe is fixedly connected to an output end of the gear oil pump, and the first variable axle box, the second variable axle box and the speed change gear box are connected with the gear oil pump through the oil delivery pipe.

Preferably, the water outlet pipe is matched with the water suction pipe, the water outlet pipe and the water suction pipe are both made of stainless steel, and the water outlet pipe and the water suction pipe are matched with the suction assembly.

Preferably, the fixed spiro union in driving motor top has rings, rings and driving motor looks adaptation, the equal fixedly connected with bottom plate in gear oil pump and driving motor bottom, gear oil pump and driving motor pass through bottom plate and water pump base looks spiro union.

Preferably, the first gearbox is adapted to a transmission gear box, and the second gearbox is adapted to the transmission gear box.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model provides a high pressure water pump, through the setting of gear oil pump for bent axle, change gear box, first plunger, second plunger and various antifriction bearing in the middle of the system can obtain abundant lubrication, can guarantee the normal work of above-mentioned spare part and life's extension, can reduce the operating temperature of first plunger and second plunger and seal assembly simultaneously, prolongs first plunger and second plunger and seal assembly's live time.

(2) The utility model provides a high pressure water pump, through the setting of first change axle box and second change axle box, can become the motor shaft and be connected with the second drive shaft phase change, play the effect of power transmission, can play lubricated and radiating effect simultaneously, the indirect life who has increased high pressure water pump.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention.

In the figure: 1. a water pump base; 2. a drive motor; 3. a motor shaft; 4. a first change axle housing; 5. a first drive shaft; 6. a change speed gear box; 7. a transmission gear case shaft; 8. a second change axle box; 9. a transmission gearbox top cover; 10. a second drive shaft; 11. a hydraulic cylinder; 12. a cylinder head; 13. a first plunger; 14. a second plunger; 15. a water outlet pipe; 16. a suction assembly; 17. a check valve; 18. a pressure sensor; 19. a suction pipe; 20. a gear oil pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a high-pressure water pump comprises a water pump base 1, wherein a driving motor 2 is fixedly mounted on one side of the top of the water pump base 1, an output end of the driving motor 2 is fixedly connected with a motor shaft 3, one end of the motor shaft 3 is fixedly connected with a first variable shaft box 4, one end of the first variable shaft box 4 is fixedly connected with a first driving shaft 5, one side of the first driving shaft 5 is fixedly connected with a variable speed gear box 6, one side of the variable speed gear box 6 is fixedly connected with a variable speed gear box shaft 7, the top of the variable speed gear box 6 is fixedly mounted with a variable speed gear box top cover 9, one side of the variable speed gear box shaft 7 is fixedly connected with a second variable shaft box 8, one side of the second variable shaft box 8 is fixedly connected with a second driving shaft 10, one side of the second driving shaft 10 is fixedly connected with a hydraulic cylinder 11, a hydraulic cylinder cover 12 is fixedly mounted on the top of the hydraulic cylinder, and the one end fixedly connected with second plunger 14 of first plunger 13, the one end fixedly connected with of second plunger 14 inhales assembly 16, inhale one side fixedly connected with outlet pipe 15 of assembly 16, and inhale the opposite side fixedly connected with of assembly 16 and absorb water pipe 19, inhale one side fixed mounting at assembly 16 top and have pressure sensor 18, and inhale the opposite side fixed mounting at assembly 16 top and have check valve 17, one side fixed mounting at water pump base 1 top has gear oil pump 20.

As shown in fig. 1-3, the cylinder 11 is adapted to an intake assembly 16 and the first plunger 13 is adapted to the second plunger 14.

As shown in fig. 1 and 2, an oil pipe is fixedly connected to an output end of the gear oil pump 20, and the first change-speed shaft housing 4, the second change-speed shaft housing 8, and the change-speed gear housing 6 are connected to the gear oil pump 20 through the oil pipe.

As shown in fig. 1 and 2, the water outlet pipe 15 is adapted to the water suction pipe 19, the water outlet pipe 15 and the water suction pipe 19 are both made of stainless steel, and the water outlet pipe 15 and the water suction pipe 19 are adapted to the suction assembly 16.

As shown in fig. 1 and 2, a lifting ring is fixedly screwed on the top of the driving motor 2, the lifting ring is matched with the driving motor 2, the bottoms of the gear oil pump 20 and the driving motor 2 are fixedly connected with a bottom plate, and the gear oil pump 20 and the driving motor 2 are screwed with the water pump base 1 through the bottom plate.

As shown in fig. 1 and 2, the first change-speed gearbox 4 is fitted to the change-speed gearbox 6, and the second change-speed gearbox 8 is fitted to the change-speed gearbox 6.

The working principle is as follows: when using this utility model discloses the time, at first open gear oil pump 20, use gear oil pump 20 toward first gearbox 4, second gearbox 8 and change gear 6 internal pump oil are lubricated and the cooling, further drive motor 2 of opening, further drive motor 2 drives motor shaft 3 and rotates, further motor shaft 3 drives first drive shaft 5 and rotates, further first drive shaft 5 drives change gear axle 7 and rotates, further change gear axle 7 drives second drive shaft 10 and moves, further second drive shaft 10 drives the bent axle and rotates, further bent axle drives first plunger 13 and carries out piston motion, further first plunger 13 drives plunger 14 and carries out piston motion, further suction tube 19 absorbs water, further outlet pipe 15 blowout second post high pressure water.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high pressure water pump, includes water pump base (1), its characterized in that: the water pump comprises a water pump base (1), a driving motor (2) is fixedly mounted on one side of the top of the water pump base (1), a motor shaft (3) is fixedly connected to the output end of the driving motor (2), a first variable shaft box (4) is fixedly connected to one end of the motor shaft (3), a first driving shaft (5) is fixedly connected to one end of the first variable shaft box (4), a variable speed gear box (6) is fixedly connected to one side of the first driving shaft (5), a variable speed gear box shaft (7) is fixedly connected to one side of the variable speed gear box (6), a variable speed gear box top cover (9) is fixedly mounted on the top of the variable speed gear box (6), a second variable shaft box (8) is fixedly connected to one side of the variable speed gear box shaft (7), a second driving shaft (10) is fixedly connected to one side of the second variable shaft box (8), and, the top fixed mounting of hydraulic cylinder (11) has hydraulic cylinder lid (12), the inside fixed mounting of hydraulic cylinder (11) has three first plunger (13), and the one end fixedly connected with second plunger (14) of first plunger (13), the one end fixedly connected with of second plunger (14) inhales assembly (16), inhale one side fixedly connected with outlet pipe (15) of assembly (16), and the opposite side fixedly connected with who inhales assembly (16) pipe (19) that absorbs water, the one side fixed mounting who inhales assembly (16) top has pressure sensor (18), and inhales the opposite side fixed mounting at assembly (16) top has check valve (17), one side fixed mounting at water pump base (1) top has gear oil pump (20).

2. A high pressure water pump according to claim 1, characterized in that: the hydraulic cylinder (11) is matched with an intake assembly (16), and the first plunger (13) is matched with the second plunger (14).

3. A high pressure water pump according to claim 1, characterized in that: the output end of the gear oil pump (20) is fixedly connected with an oil delivery pipe, and the first variable shaft box (4), the second variable shaft box (8) and the speed change gear box (6) are connected with the gear oil pump (20) through the oil delivery pipe.

4. A high pressure water pump according to claim 1, characterized in that: the water outlet pipe (15) is matched with the water suction pipe (19), the water outlet pipe (15) and the water suction pipe (19) are both made of stainless steel, and the water outlet pipe (15) and the water suction pipe (19) are matched with the suction assembly (16).

5. A high pressure water pump according to claim 1, characterized in that: the fixed spiro union in driving motor (2) top has rings, rings and driving motor (2) looks adaptation, gear oil pump (20) and the equal fixedly connected with bottom plate in driving motor (2) bottom, gear oil pump (20) and driving motor (2) are through bottom plate and water pump base (1) looks spiro union.

6. A high pressure water pump according to claim 1, characterized in that: the first variable-speed box (4) is matched with the variable-speed gear box (6), and the second variable-speed box (8) is matched with the variable-speed gear box (6).