CN212706243U - Electric rotary spray head of front mixing type derusting machine for ship - Google Patents

Abstract

The utility model discloses a boats and ships are with mixed formula deruster electric rotary spray head before, including the rotator overcoat, lock female O type circle, the fixed lock of bearing position is female, alloy nozzle, thrust ball bearing, the skeleton oil blanket, front end main water seal skeleton, the main water seal of front end, front end aramid fiber packing, hollow alloy cover, rear end aramid fiber packing, the main water seal of rear end, the main water seal skeleton of rear end, the hollow rotation axis, the shaft coupling, DC motor, the fixed lock of bearing sealing member is female, deep groove ball bearing, fluorine glue skeleton oil blanket, back lock female O type circle, mixed water feed liquor hole.

Description

Electric rotary spray head of front mixing type derusting machine for ship

Technical Field

The utility model relates to a boats and ships are with electronic rotatory nozzle of mixed formula deruster before with, specific can be with high-pressure mixed water with a device of the high-speed hull that sprays of rotation form that says so.

Background

At present, the front mixing type rust remover is used for removing rust on a ship body, most of the front mixing type rust remover uses a direct injection type nozzle to remove rust on the ship body, an injection surface formed in the rust removing process is linear, the injection surface is very small, the rust removing efficiency is very low, and the recoil of a handheld spray gun is very large. However, no device capable of spraying large area to increase working efficiency and reducing recoil of the handheld spray gun is available to solve the problem.

Disclosure of Invention

The utility model discloses a solve "mixed formula deruster before to the hull rust cleaning, the majority uses direct injection formula nozzle to the hull rust cleaning, the injection face that forms during the rust cleaning is the threadiness, the injection face is very little, rust cleaning efficiency is very low, this difficult problem of recoil very big of handheld spray gun, the electronic rotatory nozzle of mixed formula deruster before having proposed boats and ships, the mixed water that makes the alloy nozzle erupt is with the high-speed rotatory injection of 30 contained angles, reach and increase injection area and improve work efficiency and reduce the handheld mesh of robbing the recoil.

The utility model discloses a realize through following technical scheme:

the electric rotary sprayer of the front mixing type deruster for the ship comprises a rotary body outer sleeve 1, a lock nut O-shaped ring 2, a bearing position fixing lock nut 3, an alloy nozzle 4, a thrust ball bearing 5, a framework oil seal 6, a front-end main water seal framework 7, a front-end main water seal 8, a front-end aramid packing 9, a hollow alloy sleeve 10, a rear-end aramid packing 11, a rear-end main water seal 12, a rear-end main water seal framework 13, a hollow rotary shaft 14, a coupler 15, a direct current motor 16, a bearing sealing element fixing lock nut 17, a deep groove ball bearing 18, a fluorine rubber framework oil seal 19, a rear lock nut O-shaped ring 20 and a mixed water inlet hole 21; the device is characterized in that the thrust ball bearing 5, the framework oil seal 6, the front-end main water seal framework 7, the front-end main water seal 8 and the front-end aramid packing 9 are sequentially arranged in the bearing position fixing lock nut 3, the bearing position fixing lock nut 3 is screwed at the front end of the rotator outer sleeve 1 in a threaded manner, and the lock nut O-shaped ring 2 is pressed between the bearing position fixing lock nut 3 and the rotator outer sleeve 1; a through hole with the length of 10mm in the liquid inlet part of the hollow alloy sleeve 10 is arranged in the outer sleeve 1 of the rotating body; the rear-end aramid packing 11, the rear-end main water seal 12, the rear-end main water seal framework 13, the deep groove ball bearing 18 and the fluorine rubber framework oil seal 19 are sequentially arranged in the bearing sealing element fixing lock nut 17, the bearing sealing element fixing lock nut 17 is screwed at the rear end of the rotator outer sleeve 1 in a threaded manner, and the rear lock nut O-shaped ring 20 is pressed between the bearing sealing element fixing lock nut 17 and the rotator outer sleeve 1; the center of the hollow rotating shaft 14 is provided with 4 transverse holes which are 5mm in the center and are arranged in the rotating body outer sleeve 1, a bearing position is fixed with a locking nut 3, a bearing sealing element is fixed in a center hole of the locking nut 17, an alloy nozzle 4 is arranged at the front end of the hollow rotating shaft 14 at an included angle of 15 degrees, and a direct current motor 16 is arranged at the rear end of the hollow rotating shaft 14 through a coupler 15 to form a group of electric rotating nozzles of the front mixing type deruster for the ship.

In order to further achieve the purpose of convenient control and operation, the alloy nozzle 4 is provided with a quick connection fixing cover, so that the quick disassembly and assembly are convenient.

The utility model has the advantages of the following compared with the prior rotary spray head

1. Has high-pressure bearing performance: when the pressure is 50MPa, the device can work normally.

2. Has the function of using sand-water mixed liquid: the alloy nozzle 4 is made of YG3 hard alloy, has extremely high wear resistance, can not change greatly through the aperture of the sand-water mixed liquid, and can keep working normally for a long time.

3. Has the rotating speed adjusting function: and the rotation speed of the direct current motor 16 is adjusted to adjust the rotation speed of the high-speed water sprayed by the alloy nozzle 4.

4. Simple structure, whole boats and ships are with electronic rotatory nozzle of mixed formula deruster before with small, light in weight, and specification model is complete, simple to operate, easily popularization and application.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

FIG. 1 is a structural view of an electric rotary nozzle of the fore-mixing rust remover for the ship;

in the figure:

the rotary body outer sleeve 1, a lock nut O-shaped ring 2, a bearing position fixing lock nut 3, an alloy nozzle 4, a thrust ball bearing 5, a framework oil seal 6, a front-end main water seal framework 7, a front-end main water seal 8, a front-end aramid fiber packing 9, a hollow alloy sleeve 10, a rear-end aramid fiber packing 11, a rear-end main water seal 12, a rear-end main water seal framework 13, a hollow rotating shaft 14, a coupler 15, a direct current motor 16, a bearing sealing element fixing lock nut 17, a deep groove ball bearing 18, a fluorine rubber framework oil seal 19, a rear lock nut O-shaped ring 20 and a mixed water liquid inlet hole 21.

Detailed Description

The electric rotary sprayer of the front mixing type deruster for the ship comprises a rotary body outer sleeve 1, a lock nut O-shaped ring 2, a bearing position fixing lock nut 3, an alloy nozzle 4, a thrust ball bearing 5, a framework oil seal 6, a front-end main water seal framework 7, a front-end main water seal 8, a front-end aramid packing 9, a hollow alloy sleeve 10, a rear-end aramid packing 11, a rear-end main water seal 12, a rear-end main water seal framework 13, a hollow rotary shaft 14, a coupler 15, a direct current motor 16, a bearing sealing element fixing lock nut 17, a deep groove ball bearing 18, a fluorine rubber framework oil seal 19, a rear lock nut O-shaped ring 20 and a mixed water inlet hole 21; the device is characterized in that the thrust ball bearing 5, the framework oil seal 6, the front-end main water seal framework 7, the front-end main water seal 8 and the front-end aramid packing 9 are sequentially arranged in the bearing position fixing lock nut 3, the bearing position fixing lock nut 3 is screwed at the front end of the rotator outer sleeve 1 in a threaded manner, and the lock nut O-shaped ring 2 is pressed between the bearing position fixing lock nut 3 and the rotator outer sleeve 1; a through hole with the length of 10mm in the liquid inlet part of the hollow alloy sleeve 10 is arranged in the outer sleeve 1 of the rotating body; the rear-end aramid packing 11, the rear-end main water seal 12, the rear-end main water seal framework 13, the deep groove ball bearing 18 and the fluorine rubber framework oil seal 19 are sequentially arranged in the bearing sealing element fixing lock nut 17, the bearing sealing element fixing lock nut 17 is screwed at the rear end of the rotator outer sleeve 1 in a threaded manner, and the rear lock nut O-shaped ring 20 is pressed between the bearing sealing element fixing lock nut 17 and the rotator outer sleeve 1; the center of the hollow rotating shaft 14 is provided with 4 transverse holes which are 5mm in the center and are arranged in the rotating body outer sleeve 1, a bearing position is fixed with a locking nut 3, a bearing sealing element is fixed in a center hole of the locking nut 17, an alloy nozzle 4 is arranged at the front end of the hollow rotating shaft 14 at an included angle of 15 degrees, and a direct current motor 16 is arranged at the rear end of the hollow rotating shaft 14 through a coupler 15 to form a group of electric rotating nozzles of the front mixing type deruster for the ship.

When the device works, high-pressure mixed water enters the hollow alloy sleeve 10 through the mixed water inlet hole 21 and then enters the hollow rotating shaft 14 to be conveyed to the alloy nozzle 4, and the mixed water is sprayed out at a high speed at an included angle of 15 degrees; the front-end main water seal framework 7, the front-end main water seal 8, the front-end aramid packing 9, the rear-end aramid packing 11, the rear-end main water seal 12 and the rear-end main water seal framework 13 play a role in sealing in the system to keep liquid of the rotator outer sleeve 1 from leaking; the thrust ball bearing 5 and the deep groove ball bearing 18 reduce the resistance of the hollow rotating shaft 14 during rotation, and the framework oil seal 6 and the fluorine rubber framework oil seal 19 respectively play a sealing role in the thrust ball bearing 5 and the deep groove ball bearing 18; the direct current motor 16 drives the rotary hollow rotary shaft 14 to rotate together with the alloy nozzle 4 at the speed of 1000rpm, and the mixed water sprayed by the alloy nozzle 4 is sprayed at a high speed in a 30-degree included angle, so that the design purpose of the electric rotary spray head of the front mixing type deruster for the ship is achieved.

When the ship deruster stops working, the power supply is turned off, the high-pressure pump stops supplying liquid, the front mixing type deruster electric rotating nozzle for the ship is cleaned, and the front mixing type deruster electric rotating nozzle is arranged in a dry place to be air-dried to prevent rust, so that the ship deruster can be normally used for a long time.

Practice proves that the maximum bearing pressure section of the electric rotary spray head of the ship front mixing type deruster manufactured according to the scheme is 50MPa, 31.5MPa and 20MPa, and the flow range of the electric rotary spray head of the ship front mixing type deruster is 80L/min, 60L/min, 40L/min and 20L/min.

Claims (2)

1. The electric rotary sprayer of the front mixing type deruster for the ship comprises a rotary body outer sleeve (1), a locking nut O-shaped ring (2), a bearing position fixing locking nut (3), an alloy nozzle (4), a thrust ball bearing (5), a framework oil seal (6), a front-end main water seal framework (7), a front-end main water seal (8), a front-end aramid packing (9), a hollow alloy sleeve (10), a rear-end aramid packing (11), a rear-end main water seal (12), a rear-end main water seal framework (13), a hollow rotary shaft (14), a coupler (15), a direct current motor (16), a bearing sealing member fixing locking nut (17), a deep groove ball bearing (18), a fluorine rubber framework oil seal (19), a rear locking nut O-shaped ring (20) and a mixed water liquid inlet hole (21); the device is characterized in that the thrust ball bearing (5), a framework oil seal (6), a front-end main water seal framework (7), a front-end main water seal (8) and a front-end aramid packing (9) are sequentially arranged in a bearing position fixing lock nut (3), the bearing position fixing lock nut (3) is screwed at the front end of a rotator outer sleeve (1) in a threaded manner, and a lock nut O-shaped ring (2) is pressed between the bearing position fixing lock nut (3) and the rotator outer sleeve (1); a through hole with the length of 10mm in the liquid inlet part of the hollow alloy sleeve (10) is arranged in the outer sleeve (1) of the rotating body; the rear-end aramid packing (11), the rear-end main water seal (12), the rear-end main water seal framework (13), the deep groove ball bearing (18) and the fluorine rubber framework oil seal (19) are sequentially arranged in the bearing sealing element fixing lock nut (17), the bearing sealing element fixing lock nut (17) is screwed at the rear end of the rotator housing (1) in a threaded manner, and the rear lock nut O-shaped ring (20) is pressed between the bearing sealing element fixing lock nut (17) and the rotator housing (1); open 4 in hollow rotation axis (14) center and take 5mm horizontal hole in, place it in rotator overcoat (1) in, the fixed lock of bearing position is female (3), in the centre bore of the fixed lock of bearing sealing member (17), alloy nozzle (4) are installed at the front end of hollow rotation axis (14) with 15 contained angles, and direct current motor (16) are installed in hollow rotation axis (14) rear end through shaft coupling (15), constitute a set of boats and ships with the electronic rotatory nozzle of mixed formula deruster before with.

2. The electric rotary spray head of the fore-mixing rust remover for the ships as claimed in claim 1, wherein high-pressure mixed water enters the hollow alloy sleeve (10) through the mixed water inlet hole (21) and then enters the hollow rotary shaft (14) to be conveyed to the alloy nozzle (4), and the mixed water is sprayed out at a high speed at an included angle of 15 degrees; the front-end main water seal framework (7), the front-end main water seal (8), the front-end aramid packing (9), the rear-end aramid packing (11), the rear-end main water seal (12) and the rear-end main water seal framework (13) play a role in sealing in the system to keep liquid of the rotator outer sleeve (1) from leaking; the thrust ball bearing (5) and the deep groove ball bearing (18) reduce the resistance of the hollow rotating shaft (14) during rotation, and the framework oil seal (6) and the fluorine rubber framework oil seal (19) respectively play a role in sealing the thrust ball bearing (5) and the deep groove ball bearing (18); the direct current motor (16) drives the rotary hollow rotary shaft (14) to rotate together with the alloy nozzle (4) at the speed of 1000rpm, and mixed water sprayed by the alloy nozzle (4) is sprayed at a high speed in a rotating manner at an included angle of 30 degrees, so that the design purpose of the electric rotary spray head of the front mixing type deruster for the ship is achieved.

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