CN219382733U

CN219382733U - Reversible mast for ship

Info

Publication number: CN219382733U
Application number: CN202320857119.5U
Authority: CN
Inventors: 金永建; 朱嘉凯; 沈斌斌; 纪正华
Original assignee: Jiaxing Zhebei Shipbuilding Co ltd
Current assignee: Jiaxing Zhebei Shipbuilding Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-07-21
Anticipated expiration: 2033-04-18

Abstract

The utility model discloses a reversible mast for a ship, which comprises a mast, a driving box, a motor and a winding drum, wherein the lower end of the mast is movably connected in the driving box, the motor is connected with the lower end of the mast, the motor is connected with the winding drum, the winding drum winds a rope, one end of the rope is fixedly connected with the side wall of the mast, the motor drives the winding drum to wind or unwind, the motor drives the mast to rotate and fall or stand upright, a first limiting frame is arranged on one side of the driving box, which faces the mast, a second limiting frame is arranged below the mast, the first limiting frame is abutted against the first limiting frame when the mast stands upright, the second limiting frame is abutted against the second limiting frame when the mast falls upright, and the first limiting frame and the second limiting frame control the motor to be closed.

Description

Reversible mast for ship

Technical Field

The utility model relates to the field of masts, in particular to a reversible mast for a ship.

Background

The mast is a high mast for suspending sails and banners on a ship, installing antennas and supporting an observation table, a long wooden round rod or a metal column which is usually vertically erected from a keel or a middle plate of the ship and can support a cross truss under the sail, a boom or an inclined truss. The mast on the ship has a lot of uses, such as installing signal lamps, hanging flags, erecting telegraph antennas and the like; when a ship needs to pass under the bridge, the mast is too high to be blocked by the bridge, so that the ship can pass under the bridge smoothly by falling the mast, the existing mast is mainly controlled by a machine, the operation of the mast falling machine is controlled by a controller, the operation of the machine is controlled while observing the falling or standing condition of the mast, and the falling and standing of the mast is judged only by the naked eye of an operator, so that the operation is not standard and inconvenient, and a technical scheme is needed to solve the problems.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the reversible mast for the ship aiming at the technical requirements.

In order to achieve the above object, the present utility model provides a reversible mast for a ship, which is characterized in that: including mast, drive box, motor and reel, mast lower extreme swing joint is inside the drive box, the mast lower extreme is connected to the motor, the reel is connected to the motor, reel winding rope, rope one end fixed connection is in the mast lateral wall, the motor drives reel rolling or unreel, the motor drives the mast rotation and falls down or stand upright, first spacing is installed towards one side of mast to the drive box, the second spacing is installed to the mast below, the first spacing of butt when the mast is upright, the second spacing of butt when the mast falls down, first spacing and second spacing control motor are closed.

Further, the first spacing is the same with the second spacing structure, the second spacing includes the casing, the inside spout that is equipped with of casing, install moving part, spring and inductor in the spout, the moving part upper end runs through the casing top surface, a part of moving part surpasses the casing top surface, inductor fixed connection is in the spout, spring one end butt moving part, the spring other end butt inductor, moving part butt or keep away from the inductor.

Further, when the mast abuts against the first limiting frame or the second limiting frame, the upper end face of the shell is attached to the side face of the mast, and the buffer pad is fixedly installed on the upper end face of the shell.

Further, the inside fixed mounting of mast lower extreme has the axle sleeve, the drive box includes the bolt, the bolt runs through the drive box lateral wall, the bolt passes the axle sleeve, the mast rotates to be connected in the bolt, axle sleeve fixed mounting first gear, the motor is equipped with the output shaft, the output shaft extends into inside the drive box, output shaft fixed mounting second gear, the second gear is located inside the drive box, second gear meshing first gear.

Further, the motor is provided with an output shaft, the output shaft extends into the driving box, the output shaft is fixedly provided with a second gear, the second gear is located in the driving box, the center of the winding drum is fixedly connected with a winding drum shaft, the winding drum shaft penetrates through the driving box, the winding drum shaft is fixedly provided with a third gear, the third gear is located in the driving box, and the third gear is meshed with the second gear.

Further, the driving box comprises a pulley frame, the pulley frame is arranged on the upper end face of the driving box, a pulley is fixedly arranged on the upper end face of the pulley frame, a fixing buckle is arranged on the side wall of the mast, a rope abuts against the pulley, and one end of the rope is connected to the fixing buckle.

Further, the number of the reels is two, the number of the pulleys is two, the pulleys are obliquely arranged on the upper end face of the pulley frame, the two pulleys face the reels on two sides respectively, the two reels use the same rope, the rope passes through the fixing buckle, and two ends of the rope are wound on the two reels respectively.

Further, the first limiting frame is transversely installed in the driving box, the first limiting frame is installed towards the mast, the mast is pulled to be vertical by the rope, the mast is abutted to the first limiting frame, and the movable piece of the first limiting frame is abutted to the inductor of the first limiting frame.

Further, the second limiting frame is vertically arranged on the bottom surface of the driving box, and when the mast is driven to fall down to the horizontal state, the mast is abutted against the upper end surface of the second limiting frame, and the movable piece of the second limiting frame is abutted against the inductor of the second limiting frame.

Compared with the related art, the reversible mast for the ship has the following beneficial effects:

according to the utility model, the first limiting frame and the second limiting frame for sensing the mast are arranged when the mast is erected and laid down, the first limiting frame and the second limiting frame can transmit signals to close the motor operation after the sensing mast is abutted, when the mast is required to be erected or laid down each time, the starting switch is pressed down, the automatic end of the mast is realized without redundant operation, an operator is not required to observe the mast, and the operation is more convenient.

Drawings

Fig. 1 is a cross-sectional view of the internal structure of the present utility model.

Fig. 2 is a view in the direction a in fig. 1.

Fig. 3 is a sectional view taken along the direction B-B in fig. 1.

Fig. 4 is a side cross-sectional view of a second stop in the present utility model.

Reference numerals in the drawings: 1. a mast; 11. a shaft sleeve; 12. a first gear; 13. a bolt; 14. a fixing buckle; 2. a drive box; 21. a pulley frame; 22. a pulley; 23. a first limiting frame; 24. the second limiting frame; 241. a housing; 242. a movable member; 243. a supporting rod; 244. a chute; 245. a spring; 246. an inductor; 247. an induction unit; 248. a cushion pad; 3. a motor; 31. an output shaft; 32. a second gear; 4. a third gear; 41. a spool shaft; 42. a reel; 43. a rope; 44. a reel holder; 441. and (3) a bearing.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Exemplary embodiments of the present utility model are illustrated in the accompanying drawings.

As shown in fig. 1, this embodiment discloses a reversible mast 1 for a ship, which comprises a mast 1, a driving box 2, a motor 3 and a winding drum 42, wherein the mast 1 is generally installed on a deck of a ship body or a ceiling of a control room, the driving box 2 is fixedly installed on a horizontal plane, a shaft sleeve 11 is fixedly installed in the lower end of the mast 1, the driving box 2 comprises a bolt 13, the bolt 13 penetrates through the side wall of the driving box 2, the bolt 13 penetrates through the shaft sleeve 11, the mast 1 is rotatably connected with the bolt 13, the shaft sleeve 11 is fixedly installed with a first gear 12, the motor 3 is provided with an output shaft 31, the output shaft 31 extends into the driving box 2, a second gear 32 is fixedly installed on the output shaft 31, the second gear 32 is positioned in the driving box 2, the second gear 32 is meshed with the first gear 12, and the motor 3 can drive the mast 1 to rotate so as to realize the function of falling or standing; because the weight of the mast 1 is heavy, the pulling force of the gear is insufficient to support the movement of the mast 1, the drum 42 is arranged outside the driving box 2, the drum 42 winds the rope 43, the driving box 2 comprises the pulley frame 21, the pulley frame 21 is arranged on the upper end face of the driving box 2, the pulley 22 is fixedly arranged on the upper end face of the pulley frame 21, the fixed buckle 14 is arranged on the side wall of the mast 1, the rope 43 abuts against the pulley 22, the other end of the rope 43 is connected to the fixed buckle 14, the drum 42 is fixedly connected with the drum shaft 41, the drum shaft 41 penetrates through the driving box 2, the drum shaft 41 is fixedly provided with the third gear 4, the third gear 4 is positioned in the driving box 2, the third gear 4 is meshed with the second gear 32, when the motor 3 drives the drum 42 to wind or unwind while driving the mast 1, the mast 1 is supported by the pulling force of the rope 43 during the unwinding process of the mast 1, and the mast 1 is pulled to be erected during the erecting process of the mast 1.

As shown in fig. 2 and 3, more preferably, in this embodiment, two reels 42 are used, two reel frames 44 are installed at two ends of the reel shaft 41, the reel shaft 41 and the reel frames 44 are connected through bearings 441, the reel frames 44 play a role of supporting, the two reels 42 are respectively located at two sides of the driving box 2, the number of the pulleys 22 is two, the two pulleys 22 are obliquely installed on the upper end face of the pulley frame 21, the two pulleys 22 face the reels 42 at two sides respectively, the same rope 43 is used for the two reels 42, the rope 43 passes through the fixing buckle 14, two ends of the rope 43 respectively abut against the two pulleys 22, and are wound on the two reels 42, the two reels 42 are connected to one reel shaft 41 and synchronously rotate for winding or unwinding, the two reels 42 are more stable in pulling compared with the one reel 42, and meanwhile, the pulling force at two ends can be dispersed, so that the load of the motor 3 is relieved.

As shown in fig. 1, the pulley frame 21 is provided with a first limiting frame 23 towards one side of the mast 1, a second limiting frame 24 is provided under the mast 1, the first limiting frame 23 is abutted against the second limiting frame 24 when the mast 1 is upright, the first limiting frame 23 and the second limiting frame 24 have the same structure when the mast 1 is laid down, as shown in fig. 4, the second limiting frame 24 comprises a shell 241, a sliding groove 244 is arranged in the shell 241, a movable piece 242, a spring 245 and an inductor 246 are provided in the sliding groove 244, the upper end of the movable piece 242 penetrates through the top surface of the shell 241, a part of the movable piece 242 exceeds the top surface of the shell 241, the inductor 246 is fixedly connected in the sliding groove 244, one end of the spring 245 is abutted against the movable piece 242, the other end of the spring 245 is abutted against the inductor 246, the movable piece 242 can slide in the sliding groove 244, the center of the lower end of the movable piece 242 is provided with an abutting rod 243, the upper end surface of the inductor 246 is provided with an inductive part 247, the abutting rod 243 is abutted against or far from the inductive part 247, for example: two conductive terminals which are not communicated are arranged in the sensing part 247, a conductive sheet is arranged at the lower end of the supporting rod 243, and when the lower end of the supporting rod 243 abuts against the sensing part 247, the two conductive terminals in the sensing part 247 are conducted, so that the sensor 246 can send out a signal.

As shown in fig. 1, the first limiting frame 23 is transversely installed on the driving box 2 and is perpendicular to the vertical mast 1, the arc end face of the first limiting frame 23 is installed towards the mast 1, when the mast 1 is pulled to be vertical by the rope 43 from falling, the mast 1 approaches to abut against the first limiting frame 23, the movable piece 242 of the first limiting frame 23 is pushed by the mast 1 to move the compression spring 245 inwards, the movable piece 242 abuts against the inductor 246 of the first limiting frame 23, the inductor 246 is connected with a controller in a control room, the controller receives the inductor 246 to signal to turn off the motor 3, at this time, the mast 1 is pulled to be kept in a vertical state by the rope 43, the second limiting frame 24 in the embodiment is vertically installed on the bottom face of the driving box 2 or on a path when the mast 1 is falling, the upper end face of the second limiting frame 24 receives the mast 1 when the mast 1 is driven to fall to be horizontal, the movable piece 242 of the second limiting frame 24 pushes inwards to abut against the inductor 246, the inductor 246 sends a signal to turn off the motor 3, at this time, the mast 1 is in a falling state, the mast 1 is in a state, the mast 1 is pulled to be kept in a vertical state, and the second supporting frame 24 can be supported in a straight line in the same direction, and the whole can not support the mast 1 is stably.

As shown in fig. 4, more preferably, the side surface of the mast 1 is arc-shaped, so the upper end surface of the housing 241 is provided with a corresponding arc shape, when the mast 1 abuts against the first limit frame 23 or the second limit frame 24, the upper end surface of the housing 241 is attached to the side surface of the mast 1, and the buffer 248 is fixedly mounted on the upper end surface of the housing 241, so that a flexible contact surface is provided for the abutment of the mast 1, and the abutment of the mast 1 is more stable.

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

Claims

1. The utility model provides a but boats and ships are with mast which characterized in that: including mast (1), drive box (2), motor (3) and reel (42), mast (1) lower extreme swing joint is inside drive box (2), mast (1) lower extreme is connected to motor (3), reel (42) are connected to motor (3), reel (42) winding rope (43), rope (43) one end fixed connection is in mast (1) lateral wall, motor (3) drive reel (42) rolling or unreel, motor (3) drive mast (1) rotatory laying or standing, first spacing (23) are installed towards one side of mast (1) to drive box (2), second spacing (24) are installed to mast (1) below, first spacing (23) of butt when mast (1) are upright, second spacing (24) of butt when mast (1) is laid down, first spacing (23) and second spacing (24) control motor (3) are closed.

2. A collapsible mast for a watercraft as claimed in claim 1 wherein: the first limiting frame (23) is identical with the second limiting frame (24) in structure, the second limiting frame (24) comprises a shell (241), a sliding groove (244) is formed in the shell (241), a movable piece (242), a spring (245) and an inductor (246) are arranged in the sliding groove (244), the upper end of the movable piece (242) penetrates through the top surface of the shell (241), a part of the movable piece (242) exceeds the top surface of the shell (241), the inductor (246) is fixedly connected in the sliding groove (244), one end of the spring (245) is abutted against the movable piece (242), the other end of the spring (245) is abutted against the inductor (246), and the movable piece (242) is close to or far away from the inductor (246).

3. A collapsible mast for a watercraft as claimed in claim 2 wherein: when the mast (1) is abutted against the first limiting frame (23) or the second limiting frame (24), the upper end face of the shell (241) is attached to the side face of the mast (1), and a buffer pad (248) is fixedly arranged on the upper end face of the shell (241).

4. A collapsible mast for a watercraft as claimed in claim 1 wherein: the utility model provides a mast, mast (1) lower extreme inside fixed mounting has axle sleeve (11), drive case (2) include bolt (13), bolt (13) run through drive case (2) lateral wall, bolt (13) pass axle sleeve (11), mast (1) rotate connect in bolt (13), axle sleeve (11) fixed mounting first gear (12), motor (3) are equipped with output shaft (31), output shaft (31) extend into inside drive case (2), output shaft (31) fixed mounting second gear (32), second gear (32) are located inside drive case (2), second gear (32) meshing first gear (12).

5. A collapsible mast for a watercraft as claimed in claim 1 wherein: the motor (3) is equipped with output shaft (31), output shaft (31) extend into inside driving box (2), output shaft (31) fixed mounting second gear (32), second gear (32) are located inside driving box (2), reel (42) center fixed connection reel axle (41), reel axle (41) run through driving box (2), reel axle (41) fixed mounting third gear (4), third gear (4) are located driving box (2), third gear (4) meshing second gear (32).

6. A collapsible mast for a watercraft as claimed in claim 1 wherein: the driving box (2) comprises a pulley frame (21), the pulley frame (21) is arranged on the upper end face of the driving box (2), a pulley (22) is fixedly arranged on the upper end face of the pulley frame (21), a fixed buckle (14) is arranged on the side wall of the mast (1), a rope (43) is abutted to the pulley (22), and one end of the rope (43) is connected to the fixed buckle (14).

7. The collapsible mast for a watercraft of claim 6, wherein: the number of the reels (42) is two, the number of the pulleys (22) is two, the pulleys (22) are obliquely arranged on the upper end face of the pulley frame (21), the two pulleys (22) face the reels (42) on two sides respectively, the two reels (42) use the same rope (43), the rope (43) passes through the fixing buckle (14), two ends of the rope (43) are respectively abutted against the two pulleys (22), and two ends of the rope (43) are respectively wound on the two reels (42).

8. A collapsible mast for a watercraft as claimed in claim 2 wherein: the first limiting frame (23) is transversely mounted on the driving box (2), the first limiting frame (23) is mounted towards the mast (1), the mast (1) is pulled to be vertical by the rope (43), the mast (1) abuts against the first limiting frame (23), and the movable piece (242) of the first limiting frame (23) abuts against the inductor (246) of the first limiting frame (23).

9. A collapsible mast for a watercraft as claimed in claim 2 wherein: the second limiting frame (24) is vertically arranged on the bottom surface of the driving box (2), when the mast (1) is driven to fall down to the horizontal, the mast (1) abuts against the upper end surface of the second limiting frame (24), and the movable piece (242) of the second limiting frame (24) abuts against the inductor (246) of the second limiting frame (24).