CN215160337U - Ship lift and dock - Google Patents

Abstract

The utility model discloses a ship lift locates in the dock for promote out of water surface with boats and ships, include: the mounting racks are arranged on two sides of the dock; the platform is arranged between the two mounting racks; the lifting device is arranged on the mounting frame, is connected with the platform and is used for driving the platform to move up and down; the traction device is arranged on the mounting frame and detachably connected with the ship and used for driving the ship to move along a first direction. The utility model discloses can change current dock working mode of shutting down a ship, need not to dig and establish the harbor basin to can effectually reduce construction cost. Correspondingly, the utility model also discloses a dock.

Description

Ship lift and dock

Technical Field

The utility model relates to a boats and ships are repaiied and are made equipment technical field, in particular to ship lift and dock.

Background

Dock is a dock type building for repairing ship, developed from the initial 'boat pit', and on the seashore, people can lift and lower the ship by the rise and fall of water level, i.e. the ship is led into a 'boat pit' with three sides surrounded by earth dikes in the rise and fall of tide, the ship is seated on a preset buttress in the fall of tide, then a reclamation dam is used for closing a gap for repairing, and when the ship goes out of the pit, the reclamation dam is removed and the ship goes out of the pit while the tide is rising.

The existing dock changes the earth dike into a harbor basin, changes a reclamation dam into a gate, utilizes a water pump to control the rise and fall of the water surface in the dock, namely digs and sets up the harbor basin, is provided with the gate on the harbor basin, fills water into the harbor basin before a ship enters the harbor basin, then the ship sails into the harbor basin on the water, closes the gate after the ship completely sails into the harbor basin, discharges the water in the harbor basin through the water pump, and then an operator carries out maintenance operation in the harbor basin. However, because the ship is large in size, time and labor are wasted in constructing the harbor basin, and construction cost is lost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the existing dock needs to be dug to establish a harbor basin and the construction cost is lost. The utility model provides a ship lift and dock can change current dock mode, need not to dig and establishes the harbor basin to effectual construction cost that reduces.

In order to solve the technical problem, the utility model discloses an embodiment discloses a ship lift locates in the dock for promote out of water with boats and ships, include:

a mounting frame;

the lifting device is arranged on the mounting frame;

the platform is connected with the lifting device, and the lifting device is used for driving the platform to move up and down;

and the traction device is arranged on the mounting frame, is detachably connected with the ship and is used for driving the ship to move along the first direction.

By adopting the technical scheme, the ship is dragged to the position above the platform by using the traction mechanism, and the lifting device drives the platform to move upwards, so that the platform lifts the ship upwards until the ship is lifted out of the water surface, and an operator can maintain the ship; the design changes the existing ship stopping working mode of the dock, and does not need to dig a harbor basin, thereby effectively reducing the construction cost.

Optionally, the traction device comprises:

the traction rail is arranged on the mounting frame and is arranged along a first direction;

the rail trolley is arranged on the traction track and can run along the traction track;

one end of the first steel wire rope is connected with the rail trolley, and the other end of the first steel wire rope is detachably connected with the ship;

and the driving system is connected with the small rail car and is used for driving the small rail car to run along the traction track.

By adopting the technical scheme, the ship is dragged to the upper part of the platform by utilizing the traction device to replace the technical scheme that the ship is started to drive into the upper part of the platform by self, so that the damage to peripheral facilities caused by the running of mechanisms such as a propeller in the ship can be prevented.

Optionally, be equipped with the limiting plate on the traction track, small rail car includes:

a rail trolley support;

the upper rotating wheel is hinged on the rail trolley support, and the outer circumferential surface of the upper rotating wheel is attached to the upper surface of the limiting plate;

the lower rotating wheel is hinged to the rail trolley support, and the outer circumferential surface of the lower rotating wheel is attached to the lower surface of the limiting plate.

Optionally, the upper surface of the limiting plate is inclined towards the platform.

When the traction device pulls the ship to move, the traction direction of the first steel wire rope forms a certain angle with the first direction, so that the force of the driving system for driving the rail trolley to run along the first direction is larger than the traction force of the ship along the first direction, and power loss is caused. By adopting the technical scheme, the upper surface of the limiting plate is inclined towards the direction of the platform, so that the distance between the ship and the rail trolley can be reduced, and then the angle between the traction direction of the first steel wire rope and the first direction is reduced, and the power loss is reduced.

Optionally, the drive system comprises:

the first driving mechanism is arranged at one end of the mounting frame;

the first driving wheel is connected with the first driving mechanism;

the second driving wheel is arranged at the other end of the mounting rack;

and the transmission chain is wound on the first transmission wheel, one end of the transmission chain is connected with one side of the small rail car, and the other end of the transmission chain is connected with the other side of the small rail car by bypassing the circumferential surface of the second transmission wheel.

Optionally, a supporting wheel is further arranged between the rail trolley and the first driving wheel, the driving chain extending from the upper portion of the first driving wheel is in contact with the lower portion of the circumferential surface of the supporting wheel, and the driving chain extending from the lower portion of the first driving wheel is in contact with the upper portion of the circumferential surface of the supporting wheel.

By adopting the technical scheme, the contact area between the transmission chain and the first transmission wheel can be increased, so that the transmission efficiency of power is increased.

Optionally, a support is placed above the platform, the shape of the upper surface of the support being adapted to the shape of the bottom of the vessel.

By adopting the technical scheme, the brackets corresponding to the ship can be respectively arranged according to the ships with different bottom shapes, so that the ship can be prevented from being directly placed on the platform to topple or incline due to uneven bottom of the ship.

Optionally, a transfer device for transferring the vessel to a target location is also included.

By adopting the technical scheme, the transfer device can be used for conveying the ship to each factory building or station for maintenance; the design changes the current mode of ship maintenance in the dock, so that the maintenance is convenient for operators and the environmental pollution can be reduced.

Optionally, the transfer device is a transfer trolley, the transfer trolley comprising:

a transfer trolley support;

the roller is arranged on the transfer trolley bracket;

the second driving mechanism is connected with the roller and is used for driving the roller to rotate;

and the lifting mechanism is arranged above the transfer trolley bracket.

Optionally, be equipped with the transportation track on the platform, on the transportation track was located to the gyro wheel, the transport dolly followed the transportation track operation.

Optionally, the lifting mechanism is a load cylinder.

Optionally, the lifting device comprises:

the winding drum is arranged on the mounting frame;

the fixed pulley bracket is arranged on the mounting frame;

the fixed pulley is rotatably connected to the fixed pulley bracket;

the movable pulley bracket is connected with the ship;

the movable pulley is rotatably connected to the movable pulley bracket;

the third driving mechanism is connected with the winding drum and is used for driving the winding drum to rotate;

one end of the second steel wire rope is wound on the winding drum, and the other end of the second steel wire rope is connected with the mounting frame after sequentially passing around the movable pulley and the fixed pulley.

Optionally, the number of the movable pulleys and the fixed pulleys is multiple.

By adopting the technical scheme, the pressure born by the single movable pulley and the fixed pulley can be reduced, and the movable pulley and the fixed pulley are prevented from being damaged due to overlarge pressure.

Optionally, the second wire rope extending from the drum to the movable pulley does not coincide with a projection of the second wire rope extending from the fixed pulley to the movable pulley on a plane perpendicular to the axis of the drum.

Optionally, the projection of the second wire rope extending from the automatic pulley to the mounting frame and the second wire rope extending from the automatic pulley to the fixed pulley on a plane perpendicular to the axis of the drum are not coincident.

By adopting the technical scheme, the second steel wire rope can be prevented from generating interference in the winding process.

Optionally, a control system is included for controlling the operation of the ship lift.

Optionally, a locking mechanism is further arranged between the movable pulley bracket and the fixed pulley bracket for preventing the platform from falling.

Optionally, the locking mechanism comprises:

the fourth driving mechanism is arranged on the fixed pulley bracket;

the locking pin is connected with the driving end of the fourth driving mechanism;

the locking rod is arranged on the movable pulley support and extends towards the movable pulley, a plurality of locking holes are formed in one end, close to the movable pulley, of the locking rod, and the locking holes are sequentially arranged in the vertical direction.

By adopting the technical scheme, through the arrangement of the locking mechanism, when the platform rises or falls to a specified position, the fourth driving mechanism can be utilized to drive the lock pin to be inserted into the corresponding locking hole, so that the relative position of the fixed pulley and the movable pulley in the vertical direction is limited, and the platform falling caused by equipment failure or second steel wire rope breakage is prevented.

Optionally, an encoder is provided on the drum, the encoder is electrically connected to the control system, and the encoder is used for measuring the number of turns of the drum to calculate the position height of the platform.

By adopting the technical scheme, the offset device is arranged to measure the position height of the platform, so that the platform can operate between the preset highest position limit and the lowest position limit, and when the height of the platform is higher than the preset highest position limit or lower than the lowest position limit, the control system gives an alarm, so that the height of the platform moving is effectively prevented from being higher than the preset highest position limit or lower than the lowest position limit.

Optionally, the number of lifting devices is plural.

Optionally, a sensor is arranged on the second steel wire rope, the sensor is electrically connected with the control system, the sensor is used for measuring a tension value borne by the second steel wire rope, and when at least one absolute value of a tension difference between the tension value and a rated tension value exceeds a preset tension difference, the control system controls each lifting device to stop operating.

Adopt above-mentioned technical scheme, set up the pulling force that the sensor measurement second wire rope bore, when the platform is transferring the in-process, when certain hoisting device's card was dead, this hoisting device's second wire rope stopped to transfer, and other hoisting device's second wire rope still continues to transfer, leads to the weight of platform mainly to concentrate on the dead second wire rope of card, and the dead second wire rope of card compares in the increase of the pulling force that other second wire ropes received. When the difference value (the difference value is a positive number) between the tension value borne by the blocked second steel wire rope and the rated tension value is larger than the preset tension difference, the control system gives an alarm, and the ship lift is automatically stopped to wait for an operator to check and maintain. Similarly, when one lifting device is blocked in the lifting process of the platform, the second steel wire rope of the lifting device stops being recovered, and the second steel wire ropes of other lifting devices are continuously recovered, so that the weight of the platform borne by the blocked second steel wire rope is gradually reduced, when the absolute value of the difference value (the difference value is a negative number) between the tension value borne by the blocked second steel wire rope and the rated tension value is greater than the preset tension difference, the control system gives an alarm, and the ship lift is automatically stopped to wait for an operator to check and maintain; through the design, the second steel wire ropes in the lifting devices can be prevented from being stressed unevenly due to the fact that a certain lifting device of the equipment breaks down, and the second steel wire ropes stressed excessively are damaged.

Optionally, the pre-set tension difference is 10% of the rated tension value.

The utility model discloses an embodiment has still disclosed a dock, includes as above ship lift.

Drawings

Fig. 1 is a top view of a ship lift according to an embodiment of the present invention;

fig. 2 shows a side view of a ship lift provided by an embodiment of the present invention;

fig. 3 shows a partially enlarged view of a portion a in fig. 2;

FIG. 4 shows a right side view of FIG. 3;

FIG. 5 shows a partial cross-sectional view of the locking mechanism of FIG. 4;

fig. 6 shows a partially enlarged view of a portion B in fig. 2;

fig. 7 is a perspective view of a transfer cart according to an embodiment of the present invention;

fig. 8 is a front view of a transfer cart according to an embodiment of the present invention;

fig. 9 is a top view of a transfer cart according to an embodiment of the present invention;

fig. 10 shows a partially enlarged view of a portion C in fig. 3;

fig. 11 is a schematic structural diagram of a traction device according to an embodiment of the present invention;

FIG. 12 shows a top view of FIG. 11;

fig. 13 shows a partially enlarged view of a portion D in fig. 11.

Reference numerals:

1. a vessel; 2. a dock; 3. a mounting frame; 4. a platform; 5. a lifting device; 51. a third drive mechanism; 52. a reel; 53. a second wire rope; 54. a fixed pulley bracket; 55. a movable pulley bracket; 56. a fixed pulley; 57. a movable pulley; 58. a locking mechanism; 581. a fourth driving mechanism; 582. a locking lever; 583. a locking hole; 584. a lock pin; 59. a sensor; 6. a traction device; 61. a traction track; 611. a limiting plate; 62. a rail trolley; 621. a rail trolley support; 622. an upper runner; 623. a lower runner; 624, hanging hooks; 625. a limiting wheel; 63. a first wire rope; 64. a drive system; 641. a first drive mechanism; 642. a first drive pulley; 643. a second transmission wheel; 644. a drive chain; 645. a support wheel; 7. a transfer device; 71. a transfer trolley support; 72. a roller; 73. a second drive mechanism; 74. a lifting mechanism; 75. a transfer track; 8. a support; 81. and a jacking portion.

Detailed Description

The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

In the description of the present embodiments, the terms "first", "second", "third", "fourth", and the like are used merely to distinguish descriptions and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.

In the description of the present embodiment, it should be noted that the terms "upper", "lower", "first direction", "second direction", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the products of the present invention are usually placed in when they are used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

For convenience of understanding, the "first direction" described in the present embodiment is the X direction shown in fig. 1, and the "second direction" described in the present embodiment is the Y direction shown in fig. 1. Wherein, the side of the dock in the first direction is a land side area, and the side of the dock opposite to the first direction is a sea side area.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model discloses an embodiment discloses a ship lift, as shown in figure 1, figure 2, locate in dock 2 for promote out of water surface with boats and ships 1, include:

the mounting racks 3 can be two in number and are sequentially arranged on two sides of the dock 2 along the second direction;

the lifting devices 5 are arranged on the two mounting frames 3 respectively, and the number of the lifting devices can be multiple;

the platform 4 is arranged between the two mounting frames 3, the platform 4 is connected with the lifting device 5, the lifting device 5 is used for driving the platform 4 to move up and down, and the platform 4 is arranged below the water surface in the dock 2 before the ship 1 drives into the dock 2;

and the traction device 6 is arranged on the mounting frame 3, and the traction device 6 is detachably connected with the ship 1 and is used for driving the ship 1 to move along a first direction.

By adopting the technical scheme, the ship 1 is dragged to a water area above the platform 4 by using the traction mechanism, the platform 4 is driven to move upwards by the lifting device 5, the platform 4 is contacted with the bottom of the ship 1, and the ship 1 is lifted upwards until the ship is lifted out of the water surface, so that an operator can maintain the ship 1; the design changes the existing ship stopping working mode of the dock 2, and does not need to dig a harbor basin, thereby effectively reducing the construction cost.

Further, as shown in fig. 1, 11, 12 and 13, the traction device 6 includes:

the two traction rails 61 are respectively arranged on the mounting frame 3, and each traction rail 61 is arranged along the first direction;

the rail trolley 62 is arranged on the traction track 61, and the rail trolley 62 can run along the traction track 61;

one end of the first steel wire rope 63 is connected with the rail trolley 62, the other end of the first steel wire rope is detachably connected with the ship 1, and the rail trolley 62 can pull the ship 1 to run along a first direction through the first steel wire rope 63;

and the driving system 64 is connected with the rail trolley 62 and is used for driving the rail trolley 62 to run along the traction rail 61.

By adopting the technical scheme, the traction device 6 is used for dragging the ship 1 to the water area above the platform 4 to replace the technical scheme that the ship 1 is started to enter the dock 2 by itself, so that the damage to peripheral facilities caused by the running of mechanisms such as propellers and the like in the ship 1 can be prevented.

Further, as shown in fig. 10 and 13, the traction rail 61 is provided with a limiting plate 611, and the rail trolley 62 includes:

a rail car support 621;

the upper rotating wheel 622 is hinged to the trolley support 621, and the outer circumferential surface of the upper rotating wheel 622 is attached to the upper surface of the limiting plate 611 and used for limiting the trolley 62 to move towards the direction below the traction track 61;

the lower rotating wheel 623 is hinged to the trolley support 621, and the outer circumferential surface of the lower rotating wheel 623 is attached to the lower surface of the limiting plate 611 and used for limiting the trolley 62 to move towards the direction above the traction track 61;

when the rail trolley 62 runs on the traction rail 61, the upper and lower pulleys 622 and 623 roll on the upper and lower surfaces of the limit plate 611, respectively. In order to limit the trolley 62 to move along the width direction of the traction track 61, the trolley support 621 may further include two limiting wheels 625, the two limiting wheels 625 are respectively disposed on two sides of the limiting plate 611 in the width direction, and the two limiting wheels 625 respectively contact with two sides of the limiting plate 611. When the rail trolley 62 runs on the traction rail 61, the two limit wheels 625 roll on both sides of the limit plate 611, respectively. In order to facilitate the connection between the first steel cable 63 and the trolley 62, a hook 624 may be further disposed on the trolley 62.

Further, the upper surface of the limiting plate 611 is inclined toward the platform 4, that is, the upper surface of the limiting plate 611 and the upper surface of the platform 4 are arranged at an angle θ as shown in fig. 3. When the ship 1 is towed by the towing device 6 to move, the towing direction of the first steel wire 63 is at an angle (angle α shown in fig. 1) to the first direction on the horizontal plane, so that the force of the driving system 64 driving the rail trolley 62 to move in the first direction is larger than the towing force of the ship 1 in the first direction, and power loss is caused. By obliquely arranging the upper surface of the limiting plate 611 toward the direction of the platform 4, the distance between the ship and the rail trolley 62 can be reduced, and then the angle (the angle α shown in fig. 1) formed by the traction direction of the first steel wire rope 63 and the first direction on the horizontal plane is reduced, so that the power loss is reduced.

Further, as shown in fig. 11 and 12, the driving system 64 includes:

the first driving mechanism 641 is disposed at one end of the mounting frame 3, and specifically, the first driving mechanism 641 may be a motor;

a first driving wheel 642 connected to the first driving mechanism 641;

a second transmission wheel 643, which is arranged at the other end of the mounting rack 3;

and a transmission chain 644 wound on the first transmission wheel 642, wherein one end of the transmission chain 644 is connected with one side of the trolley 62, and the other end of the transmission chain 644 is connected with the other side of the trolley 62 by bypassing the circumferential surface of the second transmission wheel 643.

Further, as shown in fig. 11, a supporting wheel 645 is further disposed between the rail car 62 and the first driving wheel 642, the first driving wheel 642 and the supporting wheel 645 are both vertically disposed, the first driving wheel 642 may be a drum, the middle portion of the driving chain 644 is wound around the first driving wheel 642, and two ends of the driving chain 644 respectively extend out from the upper portion and the lower portion of the first driving wheel 642. The number of the supporting wheels 645 is two, and the transmission chain 644 extending from the lower part of the first transmission wheel 642 is in contact with the upper part of the circumferential surface of one supporting wheel 645, passes through the upper part of the supporting wheel 645, and is connected with one side of the rail trolley 62; the driving chain 644 extended from the upper side of the first driving wheel 642 contacts with the lower side of the circumferential surface of the other supporting wheel 645, passes through the lower side of the supporting wheel 645, and is connected to the other side of the rail car 62 by bypassing the circumferential surface of the second driving wheel 643. The second transmission wheel 643 is disposed obliquely with respect to the horizontal plane to pass different heights of the transmission chains 644 on both sides thereof. By adopting the technical scheme, the contact area between the transmission chain 644 and the first transmission wheel 642 can be increased, so that the transmission efficiency of power is increased.

Further, a support 8 is placed above the platform 4, as shown in fig. 2, the shape of the upper surface of the support 8 being adapted to the shape of the bottom of the vessel 1. By adopting the technical scheme, the brackets 8 corresponding to the ship 1 can be respectively arranged according to the shapes of different bottoms of the ship 1, so that the ship 1 is prevented from being toppled or inclined when being directly placed on the platform 4 due to the uneven bottom of the ship 1.

Further, a transfer device 7 is included, the transfer device 7 being adapted to transfer the vessel 1 to a target location, which may be a service shop or a painting shop or the like for repairing the vessel. By arranging the transfer device 7, the ship 1 can be conveyed to each factory building or station for maintenance; this design changes the current mode of maintaining the watercraft 1 in the dock 2, facilitates maintenance by the operator and reduces environmental pollution.

Specifically, the transfer device 7 is a transfer trolley, and the transfer trolley is shown in fig. 7, 8 and 9, and includes:

a transfer trolley support 71;

the roller 72 is arranged on the transfer trolley bracket 71;

the second driving mechanism 73 is connected to the roller 72 and is configured to drive the roller 72 to rotate, and specifically, the second driving mechanism 73 may be a motor;

and the lifting mechanism 74 is arranged above the transfer trolley support 71.

The support 8 is provided with a jacking part 81, when the ship needs to be transferred, the transfer trolley drives into the jacking part 81 to be lowered, then the lifting mechanism 74 is started, the support 8 and the ship are jacked up, and the support 8 and the ship 1 are moved to a target position.

Further, a transfer track 75 is provided on the platform 4, as shown in fig. 6, the rollers 72 are provided on the transfer track 75, and the transfer cart runs along the transfer track 75. Specifically, the transfer rail 75 is divided into two sections, which are respectively disposed on the upper surface of the platform 4 and the upper surface of the land area, and when the upper surface of the platform 4 is lifted to be flush with the upper surface of the land area, the two sections of transfer rails 75 are connected.

Further, the lifting mechanism 74 may be a load cylinder.

Further, the lifting device 5 includes, as shown in fig. 3 and 4:

a reel 52, which is arranged on the mounting frame 3, wherein the reel 52 can rotate around the axis thereof;

the fixed pulley bracket 54 is arranged on the mounting frame 3;

a fixed pulley 56 rotatably connected to the fixed pulley bracket 54;

a movable pulley bracket 55 connected to the ship 1;

a movable pulley 57 rotatably connected to the movable pulley bracket 55;

the third driving mechanism 51 is connected to the winding drum 52 and configured to drive the winding drum 52 to rotate, and specifically, the third driving mechanism 51 may be a motor;

one end of the second wire rope 53 is wound around the drum 52, and the other end thereof is connected to the mounting frame 3 after passing around the movable pulley 57 and the fixed pulley 56 in this order.

When the lifting device 5 drives the platform 4 to move upwards, the third driving mechanism 51 drives the winding drum 52 to rotate in the direction of winding the second steel wire rope 53, and the second steel wire rope 53 drives the movable pulley 57 to move upwards, so that the platform 4 is driven to move upwards. When the lifting device 5 drives the platform 4 to move downwards, the third driving mechanism 51 drives the winding drum 52 to rotate in the direction of releasing the second steel wire rope 53, and the second steel wire rope 53 drives the movable pulley 57 to move downwards, so as to drive the platform 4 to move downwards.

Further, the number of the movable pulleys 57 and the fixed pulleys 56 is plural, the movable pulleys 57 are coaxially connected, the fixed pulleys 56 are coaxially connected, and the second wire rope 53 is extended from the drum 52 and then sequentially passes around the movable pulleys 57 and the fixed pulleys 56. The design can reduce the pressure born by the single movable pulley 57 and the fixed pulley 56 and prevent the movable pulley 57 and the fixed pulley 56 from being damaged due to excessive pressure.

Further, the second wire rope 53 extending from the drum 52 to the movable sheave 57 does not coincide with the projection of the second wire rope 53 extending from the fixed sheave 56 to the movable sheave 57 on a plane perpendicular to the axis of the drum 52. The second cable 53 extending from automatic pulley 57 to mounting frame 3 does not coincide with the projection of second cable 53 extending from automatic pulley 57 to fixed pulley 56 on a plane perpendicular to the axis of drum 52. By adopting the above technical scheme, the second steel wire rope 53 can be prevented from generating interference in the winding process.

Further, a control system is further included, and the first driving mechanism 641, the second driving mechanism 73 and the third driving mechanism 51 are all electrically connected with the control system, and the control system is used for controlling the operation of the ship lift.

Further, a locking mechanism 58 is provided between the movable pulley bracket 55 and the fixed pulley bracket 54 for preventing the platform 4 from falling. As shown in fig. 3 and 5, the lock mechanism 58 includes:

a fourth driving mechanism 581 disposed on the fixed sheave bracket 54, and specifically, the fourth driving mechanism 581 may be an air cylinder;

a lock pin 584 connected to the drive end of the fourth driving mechanism 581;

and a locking lever 582 provided on the movable sheave bracket 55, the locking lever 582 extending in the direction of the movable sheave 57, the locking lever 582 being provided with a plurality of locking holes 583 at one end thereof adjacent to the movable sheave 57, the locking holes 583 being arranged in order in the vertical direction.

By adopting the above technical scheme, through the arrangement of the locking mechanism 58, when the platform 4 rises or falls to a specified position, the fourth driving mechanism 581 can be used for driving the lock pin 584 to be inserted into the corresponding locking hole 583, so that the relative position of the fixed pulley 56 and the movable pulley 57 in the vertical direction is limited, and the platform 4 is prevented from falling due to equipment failure or breakage of the second steel wire rope 53.

Further, an encoder is disposed on the winding drum 52, and the encoder is electrically connected to the control system, and is used for measuring the number of turns of the winding drum 52 to calculate the position height of the platform. Specifically, the lowering length of the second wire rope 53 can be calculated from the circumference of the drum 52 and the number of turns of the drum 52, and the position height of the platform 4 can be calculated.

By adopting the technical scheme, the offset device is arranged to measure the position height of the platform 4, so that the platform 4 can operate between the preset highest position limit and the lowest position limit, and when the height of the platform 4 is higher than the preset highest position limit or lower than the lowest position limit, the control system gives an alarm, thereby effectively preventing the height of the platform 4 from moving from being higher than the preset highest position limit or lower than the lowest position limit.

Further, the number of the lifting devices 5 may be plural.

Further, a sensor 59 is arranged on the second steel wire rope 53 of each lifting device 5, the sensor 59 is electrically connected with the control system, and the sensor 59 is used for measuring the tension value borne by the second steel wire rope 53 on which the sensor 59 is arranged. When at least one of the tension values measured by the sensors 59 has a tension difference absolute value between the tension value and the rated tension value exceeding the preset tension difference, the control system controls the lifting devices 5 to stop running. Wherein, the rated tension value is the tension value born by each second steel wire rope 53 when each lifting device 5 is in the normal operation state.

When the platform 4 is lowered and a certain lifting device 5 is stuck, the second steel wire rope 53 of the lifting device 5 stops being lowered, and the second steel wire ropes 53 of other lifting devices 5 are still being lowered, so that the weight of the platform 4 is mainly concentrated on the stuck second steel wire rope 53, and the stuck second steel wire rope 53 is increased in tension compared with the other second steel wire ropes 53, so that the stuck second steel wire rope 53 is easy to break due to overlarge stress. This application is through setting up sensor 59 on second wire rope 53, utilizes sensor 59 to measure the pulling force that second wire rope 53 bore, and when the pulling force value that dead second wire rope 53 of this card bore and the difference (the difference is positive number this moment) of rated tension value were greater than the difference of predetermineeing the pulling force, control system reported to the police, and the maintenance is examined to operating personnel to the auto-stop of ship lift to prevent that second wire rope 53 from splitting.

Similarly, when the third driving mechanism 51 of one lifting device 5 is jammed during the lifting process of the platform 4, the second steel wire rope 53 of the lifting device 5 stops being recovered, and the second steel wire ropes 53 of other lifting devices 5 are continuously recovered, so that the weight of the jammed second steel wire rope 53 bearing the platform 4 is gradually reduced, and the stress of the other non-jammed second steel wire ropes 53 is increased, so that the other non-jammed second steel wire ropes 53 are easily broken. When the absolute value of the difference value between the tension value born by the blocked second steel wire rope 53 and the rated tension value (the difference value is a negative number at the moment) is larger than the preset tension difference, the control system gives an alarm, and the ship lift is automatically stopped to wait for the inspection and maintenance of an operator; through the design, the second steel wire ropes 53 in the lifting devices 5 can be prevented from being stressed unevenly due to the fact that a certain lifting device 5 of the equipment fails, and the second steel wire ropes 53 stressed excessively are prevented from being damaged.

Further, the preset tension difference is 10% of the rated tension value.

The utility model discloses an embodiment has still disclosed a dock 2, including aforementioned any kind of ship lift.

The utility model discloses an embodiment also discloses a ship lift's working method, and this method includes following step:

a traction step: connecting a traction device 6 with the ship 1, starting the traction device 6, and dragging the ship 1 to the position above the platform 4 in the dock 2 along a first direction;

a lifting step: after the ship 1 moves above the platform 4, the lifting device 5 is started, the lifting device 5 pulls the platform 4 to move upwards, and the platform 4 lifts the ship 1 above the water surface.

By adopting the technical scheme, the existing ship stopping working mode of the dock 2 can be changed, and a harbor basin does not need to be dug, so that the construction cost can be effectively reduced.

Specifically, before the vessel 1 is ready to enter the dock 2, the platform 4 with the bracket 8 placed thereon is lowered below the water level in the dock 2, and the upper surface of the bracket 8 is lower than the bottom of the vessel 1. When the ship 1 is ready to enter the dock 2, the first steel wire 63 is manually connected to the ship 2, and then the first driving mechanism 641 is started, the first driving mechanism 641 drives the first driving wheel 642 to rotate, and the driving chain 644 drags the rail trolley 62 to move on the dragging rail 61 in the first direction, so as to drag the ship 2 to move in the first direction. After the ship 2 moves above the platform 4, the first driving mechanism 641 stops operating, the ship 2 stops on the platform 4, then the first steel wire rope 63 is manually detached from the connection with the ship 2, the third driving mechanism 51 is started, the third driving mechanism 51 drives the winding drum 52 to rotate in the direction of winding the second steel wire rope 53, the second steel wire rope 53 drives the movable pulley 57 to move upwards, and therefore the platform 4 is driven to move upwards until the support 8 contacts with the bottom of the ship 1 and the support 8 lifts the ship 1 above the water surface. After the ship 1 reaches a preset height above the water surface, the third driving mechanism 51 stops operating, and the fourth driving mechanism 581 drives the lock pin 584 to be inserted into the lock hole 583 corresponding to the height position, so as to prevent the platform 4 from falling due to equipment failure or breakage of the second steel wire rope 53.

Further, after the lifting step is completed, the method further comprises the following steps: the vessel 1 is transferred to a target location for subsequent operations.

Specifically, after the lifting step is completed, the transfer device 7 moves along the transfer rail 75 to below the jacking portion 81 of the support 8, then the lifting mechanism 74 jacks up the support 8, so that the bottom of the support 8 is separated from the upper surface of the platform 4, and the transfer device 7 transports the support 8 and the ship 1 along the transfer rail 75 to a target position for maintenance.

When the vessel 1 is repaired, the ship lift transfers the vessel 1 to the sea area of the dock 2 in reverse of the above-described working procedure. For example, the transfer device 7 transports the ship 1 to the position above the platform 4, then the lifting device 5 drives the platform 4 and the ship 1 to descend, after the ship 1 enters a certain depth below the water surface in the dock 2, the ship 1 stops running downwards under the action of buoyancy, at the moment, the lifting device 5 drives the platform 4 to continue running downwards, so that the bottom of the ship 1 is not in contact with the support 8, and then the traction device 6 pulls the ship 1 to run to the sea side area of the dock 2 along the direction opposite to the first direction.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, and the specific embodiments thereof are not to be considered as limiting. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims (23)

1. A ship lift, located in a dock, for lifting a ship out of a water surface, comprising:

a mounting frame;

the lifting device is arranged on the mounting frame;

the platform is connected with the lifting device, and the lifting device is used for driving the platform to move up and down;

the traction device is arranged on the mounting frame and detachably connected with the ship and used for driving the ship to move along a first direction.

2. The ship lift of claim 1, wherein said traction means comprises:

the traction rail is arranged on the mounting rack and is arranged along a first direction;

the rail trolley is arranged on the traction track and can run along the traction track;

one end of the first steel wire rope is connected with the small rail car, and the other end of the first steel wire rope is detachably connected with the ship;

and the driving system is connected with the small rail car and is used for driving the small rail car to run along the traction track.

3. The ship lift of claim 2, wherein the towing rail is provided with a limiting plate, and the rail trolley comprises:

a rail trolley support;

the upper rotating wheel is hinged to the trolley support, and the outer circumferential surface of the upper rotating wheel is attached to the upper surface of the limiting plate;

the lower rotating wheel is hinged to the rail trolley support, and the outer circumferential surface of the lower rotating wheel is attached to the lower surface of the limiting plate.

4. A ship lift according to claim 3, wherein the upper surface of the retainer plate is inclined towards the direction in which the platform is located.

5. The ship lift of claim 2, wherein said drive system comprises:

the first driving mechanism is arranged at one end of the mounting rack;

the first driving wheel is connected with the first driving mechanism;

the second driving wheel is arranged at the other end of the mounting rack;

and the transmission chain is wound on the first transmission wheel, one end of the transmission chain is connected with one side of the small rail car, and the other end of the transmission chain is connected with the other side of the small rail car by bypassing the circumferential surface of the second transmission wheel.

6. A ship lift according to claim 5, wherein a support wheel is further provided between said trolley and said first drive wheel, and wherein said drive chain extending above said first drive wheel contacts below the circumferential surface of said support wheel and said drive chain extending below said first drive wheel contacts above the circumferential surface of said support wheel.

7. A ship lift according to claim 1, wherein a support is placed above the platform, the support having an upper surface shaped to conform to the shape of the bottom of the ship.

8. A ship lift according to claim 7, further comprising transfer means for transferring the ship to a target location.

9. A ship lift according to claim 8, wherein the transfer device is a transfer trolley comprising:

a transfer trolley support;

the roller is arranged on the transfer trolley bracket;

the second driving mechanism is connected with the roller and is used for driving the roller to rotate;

and the lifting mechanism is arranged above the transfer trolley support.

10. The ship lift of claim 9, wherein said platform has a transfer track, said rollers are disposed on said transfer track, and said transfer trolley travels along said transfer track.

11. A ship lift as claimed in claim 9 wherein said lifting mechanism is a load cylinder.

12. A ship lift according to any one of claims 1 to 11, wherein said lifting means comprises:

the winding drum is arranged on the mounting rack;

the fixed pulley bracket is arranged on the mounting rack;

the fixed pulley is rotatably connected to the fixed pulley bracket;

the movable pulley bracket is connected with the ship;

the movable pulley is rotatably connected to the movable pulley bracket;

the third driving mechanism is connected with the winding drum and is used for driving the winding drum to rotate;

and one end of the second steel wire rope is wound on the winding drum, and the other end of the second steel wire rope is connected with the mounting frame after sequentially passing around the movable pulley and the fixed pulley.

13. The ship elevator as claimed in claim 12, wherein the number of the movable sheave and the fixed sheave is plural.

14. A ship lift according to claim 12, wherein the second wire rope extending from the drum to the travelling block does not coincide with a projection of the second wire rope extending from the fixed block to the travelling block onto a plane perpendicular to the drum axis.

15. A ship lift according to claim 12, wherein the second wire rope extending from said travelling block to said mounting bracket is misaligned with the projection of the second wire rope extending from said travelling block to said fixed block on a plane perpendicular to the drum axis.

16. The ship lift of claim 12, further comprising a control system for controlling operation of said ship lift.

17. A ship lift as claimed in claim 16 wherein a locking mechanism is provided between said travelling block support and said fixed block support to prevent said platform from falling.

18. The ship lift of claim 17, wherein said locking mechanism comprises:

the fourth driving mechanism is arranged on the fixed pulley bracket;

the lock pin is connected with the driving end of the fourth driving mechanism;

the locking rod is arranged on the movable pulley support and extends towards the movable pulley, a plurality of locking holes are formed in one end, close to the movable pulley, of the locking rod, and the locking holes are sequentially arranged in the vertical direction.

19. The ship lift of claim 16, wherein an encoder is provided on said reel, said encoder being electrically connected to said control system, said encoder being adapted to measure the number of turns of said reel to calculate the position height of said platform.

20. A ship lift according to claim 16, wherein the number of said lifting means is plural.

21. The ship lift of claim 20, wherein said second cable includes a sensor electrically connected to said control system, said sensor being adapted to measure the tension applied to said second cable, said control system controlling each of said lifting devices to stop when at least one of said tension and said nominal tension has an absolute value of the difference between the tension and the predetermined difference.

22. A ship lift according to claim 21, wherein said predetermined tension difference is 10% of said nominal tension value.

23. A dock comprising a ship lift as claimed in any one of claims 1 to 22.

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