CN210852869U - Shafting sealing mechanism for ship propeller - Google Patents

Shafting sealing mechanism for ship propeller Download PDF

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Publication number
CN210852869U
CN210852869U CN201921789929.1U CN201921789929U CN210852869U CN 210852869 U CN210852869 U CN 210852869U CN 201921789929 U CN201921789929 U CN 201921789929U CN 210852869 U CN210852869 U CN 210852869U
Authority
CN
China
Prior art keywords
sleeve
sealing
water
sleeved
water sealing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201921789929.1U
Other languages
Chinese (zh)
Inventor
黄彪
赵璟
刘建华
刘敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Dayang Machinery Manufacturing Co ltd
Original Assignee
Hunan Dayang Machinery Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Dayang Machinery Manufacturing Co ltd filed Critical Hunan Dayang Machinery Manufacturing Co ltd
Priority to CN201921789929.1U priority Critical patent/CN210852869U/en
Application granted granted Critical
Publication of CN210852869U publication Critical patent/CN210852869U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a shafting sealing mechanism that boats and ships screw was used, it is including the oar axle, the sleeve pipe is installed on the hull, the oar axle suit is intraductal at the cover, its one end is connected with the outer paddle of hull, the other end is connected with driving system, be equipped with sealed step on the intraductal cavity wall of cover, sealed step endotheca is equipped with and pushes away flange and oar axle bearing, the epaxial cover of oar is equipped with the water seal cover, water seal cover one end and sleeve pipe end connection, the water seal cover other end is connected with the regulation pressure cover, water seal cover middle part is equipped with the spacer ring, form the water-stop zone between spacer ring and the oar axle bearing, be connected with water supply connector on the water seal cover in water seal zone, form the packing district endotheca is equipped with the. After this scheme of adoption, adjust convenience, excellent in use effect.

Description

Shafting sealing mechanism for ship propeller
Technical Field
The utility model belongs to the technical field of the boats and ships technique and specifically relates to indicate a shafting sealing mechanism that boats and ships screw was used.
Background
The existing ship propeller shafting sealing is sealed by adopting a fixed oil-hemp packing, and once the oil-hemp packing is slightly worn, a gap can be formed to influence the sealing effect.
Disclosure of Invention
An object of the utility model is to overcome prior art not enough, provide a shafting sealing mechanism that regulation convenience, excellent in use effect that boats and ships screw was used.
In order to achieve the above object, the present invention provides a technical solution: a shafting sealing mechanism for ship propellers comprises a propeller shaft, a sleeve, a pushing flange, a propeller shaft bearing, a hemp packing and an adjusting pressure sleeve, wherein the sleeve is horizontally arranged on a ship body, one end of the sleeve is positioned in a machine room, the other end of the sleeve is positioned outside the ship body, the propeller shaft is sleeved in the sleeve, one end of the propeller shaft extends out of the sleeve and is connected with the propeller outside the ship body, the other end of the propeller shaft extends out of the sleeve and is connected with a power system in the machine room, a stepped sealing step is arranged on the inner cavity wall of the sleeve in the machine room, the pushing flange and the propeller shaft bearing are sleeved in the sealing step, the inner diameter of the pushing flange is larger than the outer diameter of the propeller shaft, a water sealing sleeve is sleeved on the propeller shaft in the machine room, one end of the water sealing sleeve is connected with the sleeve in the machine room, the other end of the water sealing sleeve is connected with the adjusting pressure sleeve, a, a packing area is formed between the spacer ring and the adjusting pressing sleeve, and an oil hemp packing is sleeved in the packing area.
The adjusting pressing sleeve is sleeved on the propeller shaft, one end of the adjusting pressing sleeve is inserted into the packing root area and is abutted against the outer end of the oil hemp packing, the other end of the adjusting pressing sleeve is expanded to form a connecting ring, and the connecting ring is connected with the water sealing sleeve through a connecting bolt.
The inner diameter of the water sealing sleeve is larger than the outer diameter of the paddle shaft.
The pushing flange is abutted between the inner end of the sealing step and the paddle shaft bearing, and the paddle shaft bearing is sleeved on the paddle shaft and sealed between the paddle shaft and the sleeve.
The connection between the sleeve and the ship body is sealed connection, and the oil hemp packing is sealed between the water sealing sleeve and the propeller shaft.
By adopting the above technical scheme, the utility model, water sealing district is gone into with water injection to the water supply connector, water sealing district makes and forms the water-stop between propeller shaft and the water-stop seal cover, adopt the water-stop seal mode can greatly reduced use cost, adopt the suit combination between each part simultaneously, rethread bolted connection, it is all very convenient with the maintenance, when the oil hemp packing root is worn and torn, adjust connecting bolt, make and adjust the pressure cover to the walking of water-stop seal cover direction, it is sealed to make the oil hemp packing contradict all the time and form between water-stop seal cover and propeller shaft, it adjusts conveniently, excellent in use effect.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings, and the preferred embodiment of the present invention is: referring to the attached drawing 1, the shaft sealing mechanism for the ship propeller in this embodiment includes a propeller shaft 1, a sleeve 2, a pushing flange 3, a propeller shaft bearing 4, a hemp packing 5, and an adjusting pressure sleeve 6, the sleeve 2 is horizontally installed on the ship body, one end of the sleeve is located in the engine room, the other end is located outside the ship body, the propeller shaft 1 is sleeved in the sleeve 2, one end of the sleeve 2 extends out of the sleeve 2 and is connected with the propeller outside the ship body, the other end of the sleeve 2 extends out of the sleeve 2 and is connected with the power system in the engine room, a stepped sealing step is arranged on the inner cavity wall of the sleeve 2 in the engine room, the pushing flange 3 and the propeller shaft bearing 4 are sleeved in the sealing step, the pushing flange 3 is abutted between the inner end of the sealing step and the propeller shaft bearing 4, the propeller shaft bearing 4 is sleeved on the propeller shaft 1 and is sealed between the propeller shaft 1 and the sleeve 2, the inner diameter of, the inner diameter of a water sealing sleeve 7 is larger than the outer diameter of a propeller shaft 1, one end of a water sealing sleeve 7 is connected with the end part of a sleeve 2 in a cabin, an adjusting pressing sleeve 6 is sleeved on the propeller shaft 1, one end of the adjusting pressing sleeve 6 is inserted into a packing area and is abutted against the outer end of a hemp packing 5, the other end of the adjusting pressing sleeve 6 is expanded to form a connecting ring, the connecting ring is connected with the other end of the water sealing sleeve 7 through a connecting bolt, a spacer ring 8 is arranged in the middle of the water sealing sleeve 7, a water sealing area is formed between the spacer ring 8 and a propeller shaft bearing 4, a water inlet connector 9 is connected onto the water sealing sleeve 7 of the water sealing area, the packing area is formed between the spacer ring 8 and the adjusting pressing sleeve 6, the hemp packing 5 is sleeved in the packing area, the sleeve 2 is connected with a ship body in a sealing. After the embodiment is adopted, the water inlet connector injects water into the water sealing area, the water sealing area enables the water seal to be formed between the propeller shaft and the water sealing sleeve, the use cost can be greatly reduced by adopting a water sealing mode, meanwhile, the parts are combined in a sleeving mode, and then are connected through the bolts, the replacement and the maintenance are very convenient, when the oil hemp packing is worn, the connecting bolts are adjusted, the adjusting pressing sleeve is enabled to walk towards the water sealing sleeve, the oil hemp packing is enabled to be always abutted between the water sealing sleeve and the propeller shaft to form the seal, the adjustment is convenient, and the use effect is good.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a shafting sealing mechanism that boats and ships screw was used, it is including oar axle (1), sleeve pipe (2), top push flange (3), oar axle bearing (4), oil hemp packing (5), regulation pressure cover (6), its characterized in that: the water sealing device is characterized in that a sleeve (2) is horizontally arranged on a ship body, one end of the sleeve is positioned in a cabin, the other end of the sleeve is positioned outside the ship body, a propeller shaft (1) is sleeved in the sleeve (2), one end of the sleeve extends out of the sleeve (2) and is connected with a blade outside the ship body, the other end of the sleeve extends out of the sleeve (2) and is connected with a power system in the cabin, a stepped sealing step is arranged on the inner cavity wall of the sleeve (2) in the cabin, a pushing flange (3) and a propeller shaft bearing (4) are sleeved in the sealing step, the inner diameter of the pushing flange (3) is larger than the outer diameter of the propeller shaft (1), a water sealing sleeve (7) is sleeved on the propeller shaft (1) in the cabin, one end of the water sealing sleeve (7) is connected with the end of the sleeve (2) in the cabin, the other end of the water sealing sleeve (7) is connected with an adjusting pressure, a water inlet joint (9) is connected to a water sealing sleeve (7) of the water sealing area, a packing area is formed between the spacer ring (8) and the adjusting pressing sleeve (6), and an oil hemp packing (5) is sleeved in the packing area.
2. The shafting sealing mechanism for the marine propeller as claimed in claim 1, wherein: the adjusting pressure sleeve (6) is sleeved on the propeller shaft (1), one end of the adjusting pressure sleeve is inserted into the packing area and is abutted against the outer end of the oil-hemp packing (5), the other end of the adjusting pressure sleeve (6) is expanded to form a connecting ring, and the connecting ring is connected with the water sealing sleeve (7) through a connecting bolt.
3. The shafting sealing mechanism for the marine propeller as claimed in claim 1, wherein: the inner diameter of the water sealing sleeve (7) is larger than the outer diameter of the paddle shaft (1).
4. The shafting sealing mechanism for the marine propeller as claimed in claim 1, wherein: the pushing flange (3) is abutted between the inner end of the sealing step and the paddle shaft bearing (4), the paddle shaft bearing (4) is sleeved on the paddle shaft (1) and is sealed between the paddle shaft (1) and the sleeve (2).
5. The shafting sealing mechanism for the marine propeller as claimed in claim 1, wherein: the connection between the sleeve (2) and the ship body is sealed, and the oil hemp packing (5) is sealed between the water sealing sleeve (7) and the propeller shaft (1).
CN201921789929.1U 2019-10-23 2019-10-23 Shafting sealing mechanism for ship propeller Expired - Fee Related CN210852869U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921789929.1U CN210852869U (en) 2019-10-23 2019-10-23 Shafting sealing mechanism for ship propeller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921789929.1U CN210852869U (en) 2019-10-23 2019-10-23 Shafting sealing mechanism for ship propeller

Publications (1)

Publication Number Publication Date
CN210852869U true CN210852869U (en) 2020-06-26

Family

ID=71284826

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921789929.1U Expired - Fee Related CN210852869U (en) 2019-10-23 2019-10-23 Shafting sealing mechanism for ship propeller

Country Status (1)

Country Link
CN (1) CN210852869U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113879505A (en) * 2021-10-12 2022-01-04 天长市平安船舶设备有限公司 Adjustable sealing device for propeller blade

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113879505A (en) * 2021-10-12 2022-01-04 天长市平安船舶设备有限公司 Adjustable sealing device for propeller blade

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Legal Events

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200626