CN214776485U - Centrifugal pump water jet propulsion device convenient for oil drainage - Google Patents
Centrifugal pump water jet propulsion device convenient for oil drainage Download PDFInfo
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- CN214776485U CN214776485U CN202022965472.4U CN202022965472U CN214776485U CN 214776485 U CN214776485 U CN 214776485U CN 202022965472 U CN202022965472 U CN 202022965472U CN 214776485 U CN214776485 U CN 214776485U
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- rotating shaft
- gear
- disc
- box body
- volute
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Abstract
The utility model discloses a centrifugal pump water spray propulsion device convenient for oil drainage, which comprises a disc, wherein a gear seat is arranged on the disc, a big gear is arranged on the gear seat, a steering tube is arranged below the gear seat and is connected with a spiral case, a box body is arranged above the disc, a rotating shaft, a first bevel gear, a second bevel gear, a first driving assembly and a second driving assembly are arranged in the box body, and a pinion meshed with the big gear is arranged on an output shaft of the second driving assembly; the middle lower part of the rotating shaft is provided with a counter bore, the side wall of the rotating shaft is provided with a through hole connected with the counter bore, and the bottom of the rotating shaft is provided with a sealing cover for sealing the counter bore. The utility model discloses a counter bore of lower part and the intercommunicating pore that links to each other with the counter bore in the pivot can conveniently empty oil.
Description
Technical Field
The utility model relates to a water jet propulsion unit field especially relates to a centrifugal pump water jet propulsion unit of convenient oil discharge.
Background
The water jet propulsion device is widely applied to the field of ship navigation and can provide power for ship navigation. The water jet propulsion device provided with the axial flow pump or the mixed flow pump can change the rotation direction of the ship by +/-35 degrees, and in order to make the ship steering more convenient, the water jet propulsion device of the centrifugal pump is needed. Thereby centrifugal pump water jet propulsion unit operation in-process needs drive assembly to drive gear revolve and drives the pivot and rotate, and the gear needs the periodic oil change, takes lubricating oil out from the box top comparatively inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a make things convenient for centrifugal pump water jet propulsion unit of oil discharge
The utility model discloses an innovation point lies in the utility model discloses a counter bore of lower part and the intercommunicating pore that links to each other with the counter bore can conveniently empty oil in the pivot.
In order to realize the purpose of the utility model, the technical proposal of the utility model is that: a centrifugal pump water-jet propulsion device convenient for oil drainage comprises a disc, wherein a through hole is formed in the disc, a gear seat connected with the bottom surface of the disc is arranged at the through hole in the bottom surface of the disc, a gear wheel is arranged on the gear seat, the gear wheel is connected with the gear seat through a bearing, a steering tube is arranged below the gear seat, the steering tube is inserted into the gear seat and connected with the gear wheel, the steering tube is connected with a volute, a box body connected with the gear seat is arranged above the disc, a box cover is arranged at the top of the box body, a rotating shaft used for being sequentially inserted into the disc through hole, the gear wheel, the gear seat, the steering tube and the volute is arranged in the box body, an impeller is arranged at the end part of the volute, the rotating shaft is connected with the steering tube through a bearing, a first bevel gear is arranged at the part of the rotating shaft in the box body, a second bevel gear matched with the first bevel gear is further arranged in the box body, and a first driving assembly used for driving the second bevel gear to rotate is arranged on the side wall of the box body, the first bevel gear is connected with the box body through a bearing, a second driving assembly is further arranged above the disc, and a pinion meshed with the bull gear is arranged on an output shaft of the second driving assembly; the cross section of the volute is M-shaped, the rotating shaft is inserted from the center of the top of the volute, the center of the bottom of the volute is a water inlet, one side of the outer ring of the bottom is provided with a water outlet, and the water outlet is inclined outwards; the middle lower part of the rotating shaft is provided with a counter bore arranged along the axial direction of the rotating shaft, the side wall of the rotating shaft, close to the joint of the rotating shaft and the steering tube, is provided with a communicating hole connected with the counter bore, and the bottom of the rotating shaft is provided with a sealing cover for sealing the counter bore; the tank cover is provided with an oil filling hole, and the oil filling hole is provided with an oil filling cover. The utility model discloses can drive pinion through No. two drive assembly and rotate to drive the spiral case and rotate arbitrary angle, the spiral case rotates and to control the water spray direction, lets boats and ships can carry out arbitrary angle to boats and ships and turn to at the in-process of sailing, and it is more convenient to turn to. The counter bore of the middle lower part of the rotating shaft can conveniently empty the oil, and the oil can be sealed after the sealing cover is covered.
Preferably, the cover and the rotating shaft are connected through screws. The sealing effect of the sealing cover is ensured.
Preferably, the water inlet is provided with a grid plate. The grating plate can filter the garbage sundries in the water, and the garbage sundries are prevented from entering the volute.
Preferably, the first driving assembly is a motor, and the second driving assembly is a motor.
The utility model has the advantages that:
1. the utility model discloses in through the counter bore of lower part in the pivot and the intercommunicating pore that links to each other with the counter bore can conveniently empty oil.
2. The utility model discloses in drive the pinion through No. two drive assembly and rotate to drive the spiral case and rotate arbitrary angle, the spiral case can carry out 360 and turn to the water spray direction that changes the delivery port, can let boats and ships carry out arbitrary angle to boats and ships and turn to at the navigation in-process, and it is more convenient to turn to.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Example 1: as shown in figure 1, a centrifugal pump water jet propulsion unit convenient for oil drainage, including a disc 1, a through hole 2 is arranged on the disc 1, a gear seat 3 connected with the bottom surface of the disc 1 is arranged at the through hole 2 on the bottom surface of the disc 1, a big gear 4 is arranged on the gear seat 3, the big gear 4 is connected with the gear seat 3 through a bearing 5, a steering pipe 6 is arranged below the gear seat 3, the steering pipe 6 is inserted into the gear seat 3 and connected with the big gear 4, the steering pipe 6 is connected with a volute 7, a box body 8 connected with the gear seat 3 is arranged above the disc 1, a box cover 9 is arranged at the top of the box body 8, an oil filling hole 10 is arranged on the box cover 9, and an oil filling cover 11 is arranged on the oil filling hole 10. A rotating shaft 12 used for being sequentially inserted into the disc through hole 2, the large gear 4, the gear seat 3, the steering tube 6 and the volute 7 is arranged in the box body 8, an impeller 13 is arranged at the end part of the rotating shaft 12, which is positioned at the volute 7, the rotating shaft 12 is connected with the steering tube 6 through a bearing 5, a first bevel gear 14 is arranged at the part of the rotating shaft 12, which is positioned in the box body 8, a second bevel gear 15 matched with the first bevel gear 14 is further arranged in the box body 8, a first driving assembly 16 for driving the second bevel gear 15 to rotate is arranged on the side wall of the box body 8, the first bevel gear 14 is connected with the box body 8 through the bearing 5, a second driving assembly 17 is further arranged above the disc 1, and a small gear 18 meshed with the large gear 4 is arranged on an output shaft of the second driving assembly 17; the first driving component 16 is a motor, and the second driving component 17 is a motor. The cross section of the volute 7 is M-shaped, the rotating shaft 12 is inserted from the center of the top of the volute 7, the center of the bottom of the volute 7 is a water inlet 25, a water outlet 20 is arranged on one side of the outer ring of the bottom, a grating plate 19 is arranged at the water inlet 25, and the water outlet 20 is inclined outwards; the middle lower part of the rotating shaft 12 is provided with a counter bore 21 arranged along the axial direction of the rotating shaft 12, the side wall of the rotating shaft 12 near the joint of the rotating shaft 12 and the steering tube 6 is provided with a communicating hole 22 connected with the counter bore 21, the bottom of the rotating shaft 12 is provided with a sealing cover 23 used for sealing the counter bore 21, and the sealing cover 23 is connected with the rotating shaft 12 through a screw 24.
The working principle is as follows: firstly, the first driving component 16 rotates to drive the second bevel gear 15, the second bevel gear 15 drives the first bevel gear 14 to rotate, the first bevel gear 14 drives the rotating shaft 12 to rotate, the impeller 13 on the rotating shaft 12 rotates, then the water inlet 25 at the center of the bottom of the volute 7 absorbs water, and the water is discharged from the water outlet 20 to drive the ship to move. When the ship needs to turn, the second driving assembly 17 is opened to rotate, the second driving assembly 17 drives the small gear 18 to rotate, the small gear 18 drives the large gear 4 and the large gear 4 to drive the steering pipe 6 to rotate, finally the steering pipe 6 drives the volute 7 to rotate, and the volute 7 can turn 360 degrees to change the water spraying direction of the water outlet 20. When the spindle 12 needs to be changed, the oil can be emptied by opening the oil filling cover 11 at the top of the box cover 9 and the sealing cover 23 at the bottom of the spindle 12, then the sealing cover 23 is mounted again by the screw 24, new oil is added from the oil filling hole 10, and the oil filling cover 11 is covered after the oil is added.
The described embodiments are only some, but not all embodiments of the invention. 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.
Claims (4)
1. A centrifugal pump water-jet propulsion device convenient for oil drainage is characterized by comprising a disc, wherein a through hole is formed in the disc, a gear seat connected with the bottom surface of the disc is arranged at the through hole of the bottom surface of the disc, a gear wheel is arranged on the gear seat and connected with the gear seat through a bearing, a steering tube is arranged below the gear seat and inserted into the gear seat to be connected with the gear wheel, the steering tube is connected with a volute, a box body connected with the gear seat is arranged above the disc, a box cover is arranged at the top of the box body, a rotating shaft used for being sequentially inserted into the disc through hole, the gear wheel, the gear seat, the steering tube and the volute is arranged in the box body, an impeller is arranged at the end part of the volute, the rotating shaft is connected with the steering tube through a bearing, a first bevel gear is arranged at the part of the rotating shaft in the box body, and a second bevel gear matched with the first bevel gear is further arranged in the box body, a first driving assembly for driving a second bevel gear to rotate is arranged on the side wall of the box body, the first bevel gear is connected with the box body through a bearing, a second driving assembly is further arranged above the disc, and a pinion meshed with the large gear is arranged on an output shaft of the second driving assembly; the cross section of the volute is M-shaped, the rotating shaft is inserted from the center of the top of the volute, the center of the bottom of the volute is a water inlet, one side of the outer ring of the bottom is provided with a water outlet, and the water outlet is inclined outwards; the middle lower part of the rotating shaft is provided with a counter bore arranged along the axial direction of the rotating shaft, the side wall of the rotating shaft, close to the joint of the rotating shaft and the steering tube, is provided with a communicating hole connected with the counter bore, and the bottom of the rotating shaft is provided with a sealing cover for sealing the counter bore; the tank cover is provided with an oil filling hole, and the oil filling hole is provided with an oil filling cover.
2. The centrifugal pump water jet propulsion unit facilitating oil drainage of claim 1, wherein the cover and the rotating shaft are connected through screws.
3. The centrifugal pump water jet propulsion unit facilitating oil drainage of claim 1, wherein a grating plate is arranged at the water inlet.
4. The centrifugal pump water jet propulsion unit facilitating oil drainage of claim 1, wherein the first drive assembly is an electric motor and the second drive assembly is a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022965472.4U CN214776485U (en) | 2020-12-12 | 2020-12-12 | Centrifugal pump water jet propulsion device convenient for oil drainage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022965472.4U CN214776485U (en) | 2020-12-12 | 2020-12-12 | Centrifugal pump water jet propulsion device convenient for oil drainage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214776485U true CN214776485U (en) | 2021-11-19 |
Family
ID=78710923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022965472.4U Active CN214776485U (en) | 2020-12-12 | 2020-12-12 | Centrifugal pump water jet propulsion device convenient for oil drainage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214776485U (en) |
-
2020
- 2020-12-12 CN CN202022965472.4U patent/CN214776485U/en active Active
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