CN218112956U

CN218112956U - Internal tensioning device for sealing ship tail shaft

Info

Publication number: CN218112956U
Application number: CN202222695667.0U
Authority: CN
Inventors: 周树明; 景高伟
Original assignee: Dongtai Youming Marine Fittings Co ltd
Current assignee: Dongtai Youming Marine Fittings Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2022-12-23
Anticipated expiration: 2032-10-13

Abstract

The utility model belongs to the technical field of building engineering equipment, especially, relate to a sealed internal tension device that uses of boats and ships tail axle, including the tail axle, the left side of tail axle is connected with the tensioning subassembly, the tensioning subassembly includes stagnant water cover one, stagnant water cover two, locking tube, connecting rod, sealing ring, the lantern ring, connecting block, inserted bar, threaded rod and hand wheel. The internal tensioning device for sealing the ship tail shaft is provided with a first water stop cover, a second water stop cover and locking pipes through external tensioning, the upper locking pipe and the lower locking pipe are fixedly locked, and the second water stop cover is connected with a connecting rod to increase the locking degree; inside tensioning is provided with connecting rod, sealing ring, the lantern ring, connecting block, inserted bar, threaded rod and hand wheel, and through opening the connecting block, hand wheel in the connecting rod utilizes the rotation threaded rod to drive the inserted bar and locks, has the interior tension device who separates the infiltration of water in advance, slows down the speed of water infiltration, realizes improving boats and ships life, and the inserted bar has the replaceability simultaneously, and the maintenance personal of being convenient for dismantles and changes.

Description

Internal tensioning device for sealing ship tail shaft

Technical Field

The utility model relates to a building engineering equipment technical field specifically is a sealed internal tension device that uses of boats and ships tailing axle.

Background

The stern shaft is also called a tail shaft. The tail shaft is the last section of shaft system, and is formed by connecting a head end flange and a middle shaft flange through close-fitting bolts; the tail end of the propeller is in a cone shape and is used for mounting a propeller. The stern shaft and the ship body are sealed by sealing rings arranged beside the front bearing and the rear bearing, and the sealing rings are a circle of closed rubber rings and are sleeved on the shaft. Generally, the front bearing and the rear bearing are provided with a plurality of sealing rings, the two sealing rings are filled with oil, the oil is discharged from an oil tank with a certain height, namely a gravity oil tank, the water pressure can be balanced, the oil can lubricate the sealing rings, and the abrasion speed of the rubber rings is reduced. The tail shaft sealing device is inevitably provided with water to permeate into the device when in use, and inevitably slowly permeates into the hull if not treated, thereby influencing the service life of the ship.

At present, an internal tensioning device for sealing a tail shaft of a ship is not disclosed, and the tensioning device is used for the purpose of slowing down water seepage and prolonging the service life of the ship.

An improved stern shaft sealing device for boats and ships as disclosed in national patent CN210890083U, through setting up the transmission case, sealing mechanism, and a housing, waterproof mechanism, the apparatus further comprises a rotating shaft, the screw, first bearing, the drive shaft, the driving gear, driven gear, bevel gear, the second bearing, mutually supporting of water seal and oil blanket, reached that cooling performance is good and can carry out the segmentation seal to stern bearing and front bearing advantage, the problem of current stern shaft sealing device cooling performance poor and can't carry out the segmentation seal to stern bearing and front bearing has been solved, when stern shaft sealing device uses for a long time, can not produce the heat because of high pressure and high-speed rotation, can not lead to inside seal component to appearing the heat altered shape, can not cause the leakage to appear in stern bearing and front bearing, make things convenient for people to use, the practicality of stern shaft sealing device has been improved.

However, it is necessary to provide a tensioner in the sealing device to prevent water from penetrating in advance, so as to slow down the water penetration.

Therefore, an internal tensioning device for sealing the tail shaft of the ship is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed interior tension device that uses of boats and ships tailing axle to solve the sealed interior tension device problem that uses of a boats and ships tailing axle that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealed interior tension device that uses of boats and ships tailing axle, includes the tailing axle, the left side of tailing axle is connected with the tensioning assembly.

The tensioning assembly comprises a first water stop cover, a second water stop cover, a locking pipe, a connecting rod, a sealing ring, a lantern ring, a connecting block, an inserted bar, a threaded rod and a hand wheel.

The first water stop cover is connected to the left side of the tail shaft, the second water stop cover is connected to the right end of the tail shaft, the locking pipe is connected between the first water stop cover and the second water stop cover, the sealing ring is connected to the left end of the first water stop cover, the lantern ring is connected to the inner portion of the sealing ring, the connecting rod is connected in the top of the lantern ring, the connecting block is connected in the top of connecting rod, the inserted bar is connected in the inside of the lantern ring, the threaded rod is connected in the inside of inserted bar, hand wheel connection is at the inside top of threaded rod.

Preferably, the right side of the tail shaft is connected with a reinforcing rib, the right side of the reinforcing rib is connected with a first guide pipe, and the inside of the first guide pipe is connected with a first sealing cover. Through strengthening rib and closing cap one, realize having the effect of protection to the tailshaft, the strengthening rib makes the junction increase steadiness.

Preferably, the tensioning assembly is provided with a second guide pipe, a second sealing cover is installed inside the second guide pipe, and a fixing ring is connected to the outside of the second guide pipe. The second guide pipe, the second sealing cover and the fixing ring are used for protecting the tail shaft, the second sealing cover enables the seepage-proofing performance of the joint to be improved, and the fixing ring is used for fixing the second guide pipe and the second sealing cover.

Preferably, the second water stop cover is provided with a connecting column which penetrates through the connecting rod.

Preferably, the locking pipe is located between the tail shaft and the connecting rod, and two ends of the locking pipe are fixed inside the first water stop cover and the second water stop cover respectively and penetrate through the first water stop cover and the second water stop cover. Be provided with stagnant water lid one, stagnant water lid two and locking pipe through outside tensioning, and two locking pipes make it fixed locking from top to bottom, and the top of stagnant water lid two is inside to be connected with the connecting rod simultaneously and makes it increase locking degree, improves the leakproofness.

Preferably, the lantern ring runs through with the inside of sealing ring, the sealing ring cup joints with the tail shaft left end, and the inserted bar joint is in sealing ring and tail shaft junction.

Preferably, the bottom of inserted bar is equipped with the connecting pipe, and is located the bottom of threaded rod, the hand wheel runs through connecting rod, inserted bar and threaded rod in proper order.

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

1. this tight device in sealed usefulness of boats and ships tail-shaft is provided with the connecting rod through inside tensioning, the sealing ring, the lantern ring, the connecting block, the inserted bar, threaded rod and hand wheel, through opening the connecting block, hand wheel in the connecting rod, usable rotation threaded rod drives the inserted bar and locks, has the interior tight device that separates the infiltration of water in advance, can slow down the speed of water infiltration, realizes improving boats and ships life, the inserted bar has the replaceability simultaneously, the maintenance personal of can being convenient for dismantles and changes.

2. This sealed internal tension device that uses of boats and ships tail shaft is provided with stagnant water lid one, stagnant water lid two and locking pipe through outside tensioning, and two locking pipes make it fixed locking from top to bottom, and the inside and the connecting rod of top of stagnant water lid two are connected and are made it increase locking degree simultaneously, improve the leakproofness.

Drawings

Fig. 1 is a top view of the internal tension device for sealing the stern shaft of the ship of the present invention;

FIG. 2 is a left side view of the internal tension device for sealing the stern shaft of a ship according to the present invention;

FIG. 3 is an internal structure view of the internal tension device for sealing the stern shaft of a ship according to the present invention;

fig. 4 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a tail shaft; 101. reinforcing ribs; 2. a first conduit; 201. a first sealing cover; 3. a tension assembly; 301. a first water stop cover; 302. a second water stop cover; 303. a locking tube; 304. a connecting rod; 305. a seal ring; 306. a collar; 307. connecting blocks; 308. inserting a rod; 309. a threaded rod; 310. a hand wheel; 4. a second conduit; 401. a second sealing cover; 402. and (4) fixing the ring.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a sealed internal tension device that uses of boats and ships tailing axle, includes tailing axle 1, and the right side of tailing axle 1 is connected with strengthening rib 101, and the right side of strengthening rib 101 is connected with pipe one 2, and the internal connection of pipe one 2 has a closing cap 201. Through strengthening rib 101 and closing cap 201, realize having the effect of protection to tailshaft 1, strengthening rib 101 makes the junction increase steadiness.

The left side of the tail shaft 1 is connected with the tensioning assembly 3, the tensioning assembly 3 comprises a first water stop cover 301, a second water stop cover 302, a locking pipe 303, a connecting rod 304, a sealing ring 305, a lantern ring 306, a connecting block 307, an inserting rod 308, a threaded rod 309 and a hand wheel 310, the first water stop cover 301 is connected to the left side of the tail shaft 1, the second water stop cover 302 is connected to the right end of the tail shaft 1, the locking pipe 303 is connected between the first water stop cover 301 and the second water stop cover 302, the sealing ring 305 is connected to the left end of the first water stop cover 301, the lantern ring 306 is connected to the inside of the sealing ring 305, the connecting rod 304 is connected to the top of the lantern ring 306, the connecting block 307 is connected to the top of the connecting rod 304, the inserting rod 308 is connected to the inside of the lantern ring 306, the threaded rod 309 is connected to the inside of the inserting rod 308, and the hand wheel 310 is connected to the top of the inside of the threaded rod 309.

The second water stop cover 302 is provided with a connecting column and penetrates through the inside of the connecting rod 304. The locking pipe 303 is located between the tail shaft 1 and the connecting rod 304, and two ends of the locking pipe 303 are respectively fixed inside the first water stop cover 301 and the second water stop cover 302 and penetrate through the first water stop cover 301 and the second water stop cover 302. The lantern ring 306 penetrates through the inside of the sealing ring 305, the sealing ring 305 is sleeved with the left end of the tail shaft 1, and the inserted rod 308 is clamped at the joint of the sealing ring 305 and the tail shaft 1. The bottom of the inserted link 308 is provided with a connecting pipe and is located at the bottom of the threaded rod 309, and the hand wheel 310 sequentially penetrates through the connecting rod 304, the inserted link 308 and the threaded rod 309. Wherein, a first water stop cover 301, a second water stop cover 302 and locking pipes 303 are arranged by external tension, the two locking pipes 303 are fixedly locked by arranging the upper and the lower locking pipes 303, and the inside of the top of the second water stop cover 302 is connected with a connecting rod 304 to increase the locking range; secondly inside tensioning is provided with connecting rod 304, sealing ring 305, lantern ring 306, connecting block 307, inserted bar 308, threaded rod 309 and hand wheel 310, through opening connecting block 307, hand wheel 310 in the connecting rod 304, usable rotation threaded rod 309 drives inserted bar 308 and locks, have the interior tensioning device who separates the infiltration of water in advance, in order to slow down the speed of water infiltration, realize improving boats and ships life, inserted bar 308 has the replaceability simultaneously, be convenient for maintenance personal dismantles and changes.

The tensioning assembly 3 is provided with a second guide pipe 4, a second sealing cover 401 is arranged inside the second guide pipe 4, and a fixing ring 402 is connected to the outside of the second guide pipe 4. The effect of protecting the tail shaft 1 is achieved through the second guide pipe 4, the second sealing cover 401 and the fixing ring 402, the second sealing cover 401 enables seepage-proofing performance to be increased at the connecting position, and the fixing ring 402 acts on the second guide pipe 4 and the second sealing cover 401 to enable the second guide pipe 4 and the second sealing cover 401 to be fixed.

When the water-stopping device is used, a first water-stopping cover 301, a second water-stopping cover 302 and locking pipes 303 are arranged through external tensioning, the first water-stopping cover, the second water-stopping cover and the locking pipes 303 are fixedly locked through the arrangement of the upper locking pipe 303 and the lower locking pipe 303, and meanwhile, the top of the second water-stopping cover 302 is internally connected with a connecting rod 304 to increase the locking range; secondly inside tensioning is provided with connecting rod 304, sealing ring 305, lantern ring 306, connecting block 307, inserted bar 308, threaded rod 309 and hand wheel 310, through opening connecting block 307, hand wheel 310 in the connecting rod 304, usable rotation threaded rod 309 drives inserted bar 308 and locks, have the interior tensioning device who separates the infiltration of water in advance, can slow down the speed of water infiltration, realize improving boats and ships life, inserted bar 308 has the replaceability simultaneously, the maintenance personal of can being convenient for dismantle and change.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a sealed internal tension device that uses of boats and ships tailing axle, includes tailing axle (1), its characterized in that: the left side of the tail shaft (1) is connected with a tensioning assembly (3);

the tensioning assembly (3) comprises a first water stop cover (301), a second water stop cover (302), a locking pipe (303), a connecting rod (304), a sealing ring (305), a lantern ring (306), a connecting block (307), an inserted rod (308), a threaded rod (309) and a hand wheel (310);

the left side in tail-shaft (1) is connected in stagnant water lid one (301), the right-hand member in tail-shaft (1) is connected in stagnant water lid two (302), locking pipe (303) are connected between stagnant water lid one (301) and stagnant water lid two (302), the left end in stagnant water lid one (301) is connected in sealing ring (305), the inside in sealing ring (305) is connected in lantern ring (306), connecting rod (304) are connected in the top of lantern ring (306), connecting block (307) are connected in the top of connecting rod (304), inserted bar (308) are connected in the inside of lantern ring (306), threaded rod (309) are connected in the inside of inserted bar (308), hand wheel (310) are connected in the inside top of threaded rod (309).

2. The internal tension device for a stern shaft seal of a ship according to claim 1, wherein: the right side of tail-shaft (1) is connected with strengthening rib (101), the right side of strengthening rib (101) is connected with pipe (2), the internal connection of pipe (2) has closing cap (201).

3. The internal tension device for a stern shaft seal of a ship according to claim 1, wherein: tensioning assembly (3) is provided with pipe two (4), the internally mounted of pipe two (4) has closing cap two (401), the external connection of pipe two (4) has solid fixed ring (402).

4. The internal tension device for a stern shaft seal of a ship according to claim 1, wherein: the second water stop cover (302) is provided with a connecting column and penetrates through the inside of the connecting rod (304).

5. The internal tension device for a stern shaft seal of a ship according to claim 1, wherein: the locking pipe (303) is located between the tail shaft (1) and the connecting rod (304), and two ends of the locking pipe (303) are fixed in the first water stop cover (301) and the second water stop cover (302) respectively and penetrate through the first water stop cover (301) and the second water stop cover (302).

6. The internal tension device for a stern shaft seal of a ship according to claim 1, wherein: the lantern ring (306) runs through with the inside of sealing ring (305), sealing ring (305) and tail shaft (1) left end cover connect, and inserted bar (308) joint is in sealing ring (305) and tail shaft (1) junction.

7. The internal tension device for a stern shaft seal of a ship according to claim 1, wherein: the bottom of inserted bar (308) is equipped with the connecting pipe, and is located the bottom of threaded rod (309), hand wheel (310) run through connecting rod (304), inserted bar (308) and threaded rod (309) in proper order.