CN220577468U - Telescopic gangway ladder device - Google Patents
Telescopic gangway ladder device Download PDFInfo
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- CN220577468U CN220577468U CN202322209510.7U CN202322209510U CN220577468U CN 220577468 U CN220577468 U CN 220577468U CN 202322209510 U CN202322209510 U CN 202322209510U CN 220577468 U CN220577468 U CN 220577468U
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Abstract
A telescopic gangway ladder device, which comprises a moving ladder, a telescopic device, an upper cover plate, an ocean platform and a fixed rack; the fixed rack is arranged on the ocean platform, the side surface of the fixed rack is connected with one end of the telescopic device, and the telescopic device is provided with a moving ladder; an upper cover plate and a lower cover plate are respectively arranged at the top and the bottom of the fixed rack, and a bottom plate is arranged between the top of the ocean platform and the bottom of the lower cover plate; two groups of motors are installed at the top of the upper cover plate, the output shaft of each group of motors is connected with one end of a ball screw, the telescopic device is installed on the two groups of ball screws, the other end of the ball screw penetrates through the upper cover plate and then is connected with the top of the lower cover plate, and an upper limit switch is arranged at the bottom of the upper cover plate corresponding to the telescopic device. The design avoids the risk that the lifting mechanism is always stressed, the service life is influenced and collides with other approaching ships, and the safety of the rotating ladder device is greatly improved.
Description
Technical Field
The utility model relates to an improvement of a gangway ladder technology, belongs to the field of ocean transportation, and particularly relates to a telescopic gangway ladder device.
Background
The gangway ladder is used as important equipment of the ocean platform and mainly comprises a fixed rack, a lifting mechanism, a moving ladder, a telescopic device and the like, is arranged on the ocean platform, provides a temporary channel between a replenishment ship and the ocean platform, is convenient for a crew to move between the replenishment ship and the ocean platform, is in a contracted state in general, is pushed out of the platform under the action of the telescopic device when the ocean platform needs to be replenished, and is then lowered until the moving ladder is contacted with a ship body through the lifting mechanism, so that the gangway ladder is an essential part of the ocean platform, and is often positioned outside the ocean platform after the existing gangway ladder is retracted, and the lifting mechanism is always in a stressed state on one hand to influence the service life of the moving ladder; on the other hand, when other ships approach the platform, the moving ladder possibly collides with other ship bodies directly, so that the rotating ladder device is damaged, and the safety of the rotating ladder device is low.
The Chinese patent application with the application number of CN201620602509.8 and the application date of 2016, 6 and 20 discloses an adjustable gangway ladder, which comprises a control tower, a fixed channel, a telescopic gangway ladder and a landing device, wherein the control tower is connected with one end of the fixed channel, the other end of the fixed channel is connected with one end of the telescopic gangway ladder, and the other end of the telescopic gangway ladder is connected with the landing device; the control tower is used for controlling the fixed channel and the telescopic gangway to perform pitching movement and controlling the telescopic gangway to perform telescopic movement; the landing device is used for realizing erection of the gangway ladder on a landing platform, but the problem of lower safety of the rotating ladder device is not solved by the technology.
The disclosure of this background section is only intended to increase the understanding of the general background of the present patent application and should not be taken as an admission or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The utility model aims to solve the problem of poor safety of a rotating ladder device in the prior art, and provides a telescopic gangway ladder device with high safety.
In order to achieve the above object, the technical solution of the present utility model is: a telescopic gangway ladder device, which comprises a moving ladder, a telescopic device, an upper cover plate, an ocean platform and a fixed rack;
the fixed rack is arranged on the ocean platform, the side surface of the fixed rack is connected with one end of the telescopic device, and the telescopic device is provided with a moving ladder;
an upper cover plate and a lower cover plate are respectively arranged at the top and the bottom of the fixed rack, and a bottom plate is arranged between the top of the ocean platform and the bottom of the lower cover plate;
the top of the upper cover plate is provided with two groups of motors, an output shaft of each group of motors is connected with one end of a ball screw, a telescopic device is arranged on the two groups of ball screws, and the other end of the ball screw penetrates through the upper cover plate and then is connected with the top of the lower cover plate;
two groups of guide rods penetrate through the top of the upper cover plate, and the bottom ends of the two groups of guide rods are connected with the top of the lower cover plate;
an upper limit switch is arranged at the bottom of the upper cover plate corresponding to the telescopic device, and a lower limit switch is arranged at the top of the lower cover plate corresponding to the telescopic device.
The front side and the rear side of the fixed rack are respectively provided with a left supporting plate and a right supporting plate, the tops of the left supporting plate and the right supporting plate are connected with the bottom of the upper cover plate, and the bottoms of the left supporting plate and the right supporting plate are connected with the top of the bottom plate;
the left support plate and the right support plate are identical in structure and symmetrically arranged.
The top of bottom plate installs left unable adjustment base and right unable adjustment base respectively, and left unable adjustment base's top is connected with the bottom of left side ball lead screw, and right unable adjustment base's top is connected with the bottom of right side ball lead screw.
The side wall of the guide rod is sleeved with a sleeve, a gap exists between the upper end of the sleeve and the upper cover plate, and a gap exists between the lower end of the sleeve and the lower cover plate.
An upper fixing plate is arranged at the top of the upper cover plate, and the top of the upper fixing plate is connected with the upper cover plate through two groups of fixing screws;
an upper fixing clamp spring is arranged between the upper end side wall of the guide rod and the upper cover plate, and a lower fixing clamp spring is arranged between the lower end side wall of the guide rod and the lower cover plate.
The top of the upper cover plate is positioned on the side wall of the ball screw and is provided with a motor fixing frame, a motor is installed at the top of the motor fixing frame, an output shaft of the motor is connected with one end of a coupler, the other end of the coupler penetrates through the motor fixing frame and is connected with one end of the coupler, and the other end of the coupler is connected with the ball screw;
the ball screw is fixed with the duplex shaft through an upper bearing, the lower end of the ball screw penetrates through the upper cover plate and then is connected with the lower cover plate, and a partition plate is arranged between the duplex shaft and the upper bearing.
The left fixing base is provided with a placing groove, a lower bearing is embedded in the placing groove, a lower cover plate is arranged on the top of the left fixing base above the lower bearing, the upper fixing plate is connected with the left fixing base through two groups of lower fixing screws, and the lower end of the ball screw penetrates through the lower cover plate and then is connected with the lower bearing;
the bottom of the left fixed base is a hollow cavity, and the diameter of the bottom of the left fixed base is smaller than that of the top of the left fixed base.
The telescopic device comprises an oil cylinder, a moving plate, a sliding rail and a mounting plate, wherein the oil cylinder is mounted on the mounting plate, the piston end of the oil cylinder is connected with one side of the moving plate, the other side of the moving plate is connected with two lug plates, and a moving ladder is clamped between the two lug plates;
the side of mounting panel has seted up the spout, is located the both sides of spout on the mounting panel and installs two sets of slide rails, movable plate and two sets of slide rail sliding fit.
The left end of the slide rail above is provided with a left limit switch, and the right end of the slide rail above is provided with a right limit switch;
the left end of the slide rail below is provided with a left limit switch and the right end of the slide rail below is provided with a right limit switch;
reinforcing side plates are arranged on the upper side and the lower side of the mounting plate, and the height of each reinforcing side plate is larger than that of the moving plate;
the ear plate and the moving plate are arranged in a crisscross manner;
two sets of threaded holes are formed in the mounting plate at positions corresponding to the two sets of ball screws, two sets of through holes are formed in the mounting plate at positions corresponding to the two sets of guide rods, each set of guide rods penetrate through the corresponding through holes, and each set of ball screws is in threaded fit with the corresponding threaded holes.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the telescopic gangway ladder device, the fixed rack is arranged on the ocean platform, the side face of the fixed rack is connected with one end of the telescopic device, the telescopic device is provided with the moving ladder, the output shaft of each group of motors is connected with one end of the ball screw, the telescopic device is arranged on the two groups of ball screws, the gangway ladder is moved up and down through the ball screw structure, the gangway ladder is moved left and right through the oil cylinder structure, the gangway ladder is put down when in use, the non-working state is aligned, the lifting mechanism is prevented from being stressed all the time, the service life is influenced, the risk of collision with other approaching ships is avoided, and the safety of the gangway ladder device is greatly improved. Therefore, the design is high in safety and simple to operate.
2. In the telescopic gangway ladder device, the upper fixing clamp spring is arranged between the upper end side wall of the guide rod and the upper cover plate, and the lower fixing clamp spring is arranged between the lower end side wall of the guide rod and the lower cover plate, so that vibration generated by the guide rod during guiding can be reduced, rigid impact force on the guide rod in the process of lifting movement of the moving ladder is effectively reduced, the service life of equipment is prolonged, and the safety of the whole device is further improved. Therefore, the design has long service life and stable operation.
3. In the telescopic gangway ladder device, the left end of the upper sliding rail is provided with a left limit switch, and the right end of the upper sliding rail is provided with a right limit switch; the left end of below slide rail is provided with two limit switches on the left hand, and the right-hand member of below slide rail is provided with two limit switches on the right hand member, has restricted the mobile position of motion ladder and telescoping device through the use of a plurality of limit switches, prevents that it from moving out the biggest use position, causes the damage of equipment for the security that equipment used, stability has obtained very big assurance. Therefore, the design is convenient to move and safe to use.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a right side view of the present utility model.
Fig. 3 is a right side cross-sectional view of the present utility model.
Fig. 4 is a cross-sectional view of the present utility model.
Fig. 5 is an enlarged view at a in the present utility model.
Fig. 6 is an enlarged view at B in the present utility model.
Fig. 7 is an enlarged view at C in the present utility model.
Fig. 8 is a schematic structural view of the telescopic device in the present utility model.
Fig. 9 is a right side view of the telescopic device of the present utility model.
In the figure: the moving ladder 1, the telescopic device 2, the upper cover plate 3, the ocean platform D, the right support plate 4, the left support plate 5, the right fixed base 6, the left fixed base 7, the placing groove 71, the hollow cavity 72, the bottom plate 8, the fixed rack 9, the sleeve 10, the guide rod 11, the upper fixed plate 12, the fixing screw 13, the upper fixing clamp spring 14, the lower cover plate 17, the lower bearing 18, the lower fixing clamp spring 19, the reinforcing side plate 21, the mounting plate 211, the sliding chute 212, the through hole 213, the threaded hole 214, the oil cylinder 22, the moving plate 23, the sliding rail 24, the ear plate 25, the upper limit switch 26, the lower limit switch 27, the left limit switch 28, the right limit switch 29, the left limit switch 30, the right limit switch 31, the motor 32, the first coupling 33, the second coupling 34, the motor fixing frame 35, the partition 36, the upper bearing 37 and the ball screw 38.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 9, a telescopic gangway apparatus comprising a moving ladder 1, a telescopic apparatus 2, an upper cover plate 3, an ocean platform D and a fixed bench 9;
the fixed rack 9 is arranged on the ocean platform D, the side surface of the fixed rack 9 is connected with one end of the telescopic device 2, and the telescopic device 2 is provided with the moving ladder 1;
the top and the bottom of the fixed rack 9 are respectively provided with an upper cover plate 3 and a lower cover plate 17, and a bottom plate 8 is arranged between the top of the ocean platform D and the bottom of the lower cover plate 17;
two groups of motors 32 are arranged at the top of the upper cover plate 3, an output shaft of each group of motors 32 is connected with one end of a ball screw 38, the telescopic device 2 is arranged on the two groups of ball screws 38, and the other end of the ball screw 38 penetrates through the upper cover plate 3 and then is connected with the top of the lower cover plate 17;
two groups of guide rods 11 are arranged on the top of the upper cover plate 3 in a penetrating manner, and the bottom ends of the two groups of guide rods 11 are connected with the top of the lower cover plate 17;
an upper limit switch 26 is arranged at the bottom of the upper cover plate 3 corresponding to the telescopic device 2, and a lower limit switch 27 is arranged at the top of the lower cover plate 17 corresponding to the telescopic device 2.
The front side and the rear side of the fixed rack 9 are respectively provided with a left supporting plate 5 and a right supporting plate 4, the tops of the left supporting plate 5 and the right supporting plate 4 are connected with the bottom of the upper cover plate 3, and the bottoms of the left supporting plate 5 and the right supporting plate 4 are connected with the top of the bottom plate 8;
the left support plate 5 and the right support plate 4 have the same structure and are symmetrically arranged.
The top of bottom plate 8 installs left unable adjustment base 7 and right unable adjustment base 6 respectively, and the top of left unable adjustment base 7 is connected with the bottom of left side ball lead screw 38, and the top of right unable adjustment base 6 is connected with the bottom of right side ball lead screw 38.
The side wall of the guide rod 11 is sleeved with a sleeve 10, a gap exists between the upper end of the sleeve 10 and the upper cover plate 3, and a gap exists between the lower end of the sleeve 10 and the lower cover plate 17.
An upper fixing plate 12 is arranged at the top of the upper cover plate 3, and the top of the upper fixing plate 12 is connected with the upper cover plate 3 through two groups of fixing screws 13;
an upper fixing clamp spring 14 is arranged between the upper side wall of the guide rod 11 and the upper cover plate 3, and a lower fixing clamp spring 19 is arranged between the lower side wall of the guide rod 11 and the lower cover plate 17.
The top of the upper cover plate 3 is provided with a motor fixing frame 35 positioned on the side wall of the ball screw 38, a motor 32 is installed on the top of the motor fixing frame 35, an output shaft of the motor 32 is connected with one end of a coupler 33, the other end of the coupler 33 penetrates through the motor fixing frame 35 and then is connected with one end of a coupler 34, and the other end of the coupler 34 is connected with the ball screw 38;
the ball screw 38 is fixed with the two couplings 34 through an upper bearing 37, the lower end of the ball screw 38 penetrates through the upper cover plate 3 and then is connected with the lower cover plate 17, and a partition plate 36 is arranged between the couplings 34 and the upper bearing 37.
The left fixed base 7 is provided with a placing groove 71, a lower bearing 18 is embedded in the placing groove 71, a lower cover plate 17 is arranged on the top of the left fixed base 7 above the lower bearing 18, the upper fixed plate 12 is connected with the left fixed base 7 through two groups of lower fixed screws 171, and the lower end of the ball screw 38 penetrates through the lower cover plate 17 and then is connected with the lower bearing 18;
the bottom of the left fixed base 7 is a hollow cavity 72, and the diameter of the bottom is smaller than that of the top.
The telescopic device 2 comprises an oil cylinder 22, a moving plate 23, a sliding rail 24 and a mounting plate 211, wherein the oil cylinder 22 is mounted on the mounting plate 211, a piston end of the oil cylinder 22 is connected with one side of the moving plate 23, the other side of the moving plate 23 is connected with two lug plates 25, and a moving ladder 1 is clamped between the two lug plates 25;
the side of the mounting plate 211 is provided with a sliding groove 212, two groups of sliding rails 24 are arranged on two sides of the mounting plate 211, which are positioned on the sliding groove 212, and the moving plate 23 is in sliding fit with the two groups of sliding rails 24.
A left limit switch 28 is arranged at the left end of the upper sliding rail 24, and a right limit switch 29 is arranged at the right end of the upper sliding rail 24;
a left limit switch 30 is arranged at the left end of the lower sliding rail 24, and a right limit switch 31 is arranged at the right end of the lower sliding rail 24;
the upper and lower sides of the mounting plate 211 are provided with reinforcing side plates 21, and the height of the reinforcing side plates 21 is greater than that of the moving plate 23;
the lug plate 25 and the movable plate 23 are arranged in a crisscross manner;
two sets of threaded holes 214 are formed in the mounting plate 211 corresponding to the two sets of ball screws 38, two sets of through holes 213 are formed in the mounting plate 211 corresponding to the two sets of guide rods 11, each set of guide rods 11 is arranged in the corresponding through holes 213 in a penetrating mode, and each set of ball screws 38 is in threaded fit with the corresponding threaded holes 214.
The principle of the design is described as follows:
the initial state of the moving ladder 1 is that the moving ladder is in a retracted state, and the lower end of the moving ladder is tied on the fixed bench 9 by a rope;
when the ocean platform D needs to be supplied, the operation steps are as follows:
firstly, the ropes bound on the fixed rack 9 are loosened, then the oil cylinder 22 stretches out to push the moving plate 23 to move outwards, and meanwhile, the moving plate 23 drives the moving ladder 1 to move outwards; when the moving plate 23 is contacted with the right limit switch 29 and the right limit switch 31, the oil cylinder 22 stops moving, and at the moment, the moving ladder 1 moves to the outer side of the ocean platform D, and meanwhile, the oil cylinder 22 is in a self-locking state, so that the moving ladder 1 is ensured to be in a static state in the horizontal direction; at this time, the motor 32 rotates to drive the ball screw 38 to rotate, so that the telescopic device 2 integrally drives the moving ladder 1 to move downwards along the ball screw 38, and when the telescopic device 38 contacts with the lower limit switch 27, the motor 32 stops rotating, and at this time, the moving ladder 1 contacts with the ship body, the moving ladder 1 is manually fixed with the ship body, and finally the communication between the ocean platform D and the replenishment ship is realized.
When the replenishment is finished, the moving ladder is retracted, and the operation steps are as follows:
firstly, manually releasing the fixed structure of the moving ladder 1 and the ship body; the motor 32 reversely rotates, the telescopic device 2 drives the moving ladder 1 to move upwards along the ball screw 38, when the telescopic device 2 is contacted with the upper limit switch 26, the motor 32 stops rotating the moving ladder 1 to move to the highest point, then the oil cylinder 22 is retracted to drive the moving ladder 1 to move towards the sea platform D, and when the moving plate 23 is contacted with the left limit switch 28 and the right limit switch 29, the oil cylinder 22 stops moving and is in a self-locking state; the moving ladder 1 is fixed on the fixed bench 9 by a rope manually, and the oil cylinder 22 releases the self-locking state.
Example 1:
a telescopic gangway ladder device, which comprises a moving ladder 1, a telescopic device 2, an upper cover plate 3, an ocean platform D and a fixed bench 9; the fixed rack 9 is arranged on the ocean platform D, the side surface of the fixed rack 9 is connected with one end of the telescopic device 2, and the telescopic device 2 is provided with the moving ladder 1; the top and the bottom of the fixed rack 9 are respectively provided with an upper cover plate 3 and a lower cover plate 17, and a bottom plate 8 is arranged between the top of the ocean platform D and the bottom of the lower cover plate 17; two groups of motors 32 are arranged at the top of the upper cover plate 3, an output shaft of each group of motors 32 is connected with one end of a ball screw 38, the telescopic device 2 is arranged on the two groups of ball screws 38, and the other end of the ball screw 38 penetrates through the upper cover plate 3 and then is connected with the top of the lower cover plate 17; the top of upper cover plate 3 runs through and is provided with two sets of guide bars 11, and the bottom of two sets of guide bars 11 is all connected with the top of lower apron 17, the bottom of upper cover plate 3 corresponds telescoping device 2 department and is provided with limit switch 26, and the top of lower apron 17 corresponds telescoping device 2 department and is provided with limit switch 27 down.
When in application, the method comprises the following steps:
when the ocean platform D needs to be supplied, the operation steps are as follows:
firstly, the ropes bound on the fixed rack 9 are loosened, and then the telescopic device 2 is started to drive the moving ladder 1 to move outwards; when the moving ladder 1 moves to the maximum preset position, the oil cylinder 22 stops moving, at the moment, the moving ladder 1 moves to the outer side of the ocean platform D, meanwhile, the oil cylinder 22 is in a self-locking state, at the moment, the motor 32 is started to drive the ball screw 38 to rotate, so that the telescopic device 2 integrally drives the moving ladder 1 to move downwards along the ball screw 38, when the telescopic device 38 moves to the lowest preset position, the motor 32 stops rotating, at the moment, the moving ladder 1 is in contact with the ship body, the moving ladder 1 is manually fixed with the ship body, and finally the ocean platform D is communicated with the supply ship.
When the replenishment is finished, the moving ladder is retracted, and the operation steps are as follows:
firstly, manually releasing the fixed structure of the moving ladder 1 and the ship body; the motor 32 rotates reversely, the telescopic device 2 drives the moving ladder 1 to move upwards along the ball screw 38, when the telescopic device 2 moves to the uppermost preset position, the motor 32 stops rotating the moving ladder 1 to move to the highest point, then the telescopic device 2 is retracted, the moving ladder 1 is driven to move towards the sea platform D, and the moving ladder 1 is manually fixed on the fixed rack 9 through ropes.
Example 2:
example 2 is substantially the same as example 1 except that:
the telescopic gangway ladder device is characterized in that a left supporting plate 5 and a right supporting plate 4 are respectively arranged on the front side and the rear side of a fixed rack 9, the tops of the left supporting plate 5 and the right supporting plate 4 are connected with the bottom of an upper cover plate 3, and the bottoms of the left supporting plate 5 and the right supporting plate 4 are connected with the top of a bottom plate 8; the left support plate 5 and the right support plate 4 have the same structure and are symmetrically arranged; the top of the bottom plate 8 is provided with a left fixed base 7 and a right fixed base 6 respectively, the top of the left fixed base 7 is connected with the bottom of the left ball screw 38, and the top of the right fixed base 6 is connected with the bottom of the right ball screw 38; a sleeve 10 is sleeved on the side wall of the guide rod 11, a gap exists between the upper end of the sleeve 10 and the upper cover plate 3, and a gap exists between the lower end of the sleeve 10 and the lower cover plate 17; an upper fixing plate 12 is arranged at the top of the upper cover plate 3, and the top of the upper fixing plate 12 is connected with the upper cover plate 3 through two groups of fixing screws 13; an upper fixing clamp spring 14 is arranged between the upper side wall of the guide rod 11 and the upper cover plate 3, and a lower fixing clamp spring 19 is arranged between the lower side wall of the guide rod 11 and the lower cover plate 17.
When in application, the method comprises the following steps: the lower ends of the ball screw 38 are fixed by the left fixing base 7 and the right fixing base 6, so that the stability of the telescopic device 2 in the adjusting process is higher, the use of the upper fixing clamp spring 14 and the lower fixing clamp spring 19 can reduce the vibration generated by the guide rod 11 during guiding, and the rigid impact force to the guide rod 11 in the lifting motion process of the moving ladder 1 is effectively reduced.
Example 3:
example 3 is substantially the same as example 1 except that:
the telescopic gangway ladder device comprises an oil cylinder 22, a moving plate 23, a sliding rail 24 and a mounting plate 211, wherein the oil cylinder 22 is mounted on the mounting plate 211, a piston end of the oil cylinder 22 is connected with one side of the moving plate 23, the other side of the moving plate 23 is connected with two lug plates 25, and a moving ladder 1 is clamped between the two lug plates 25; a sliding groove 212 is formed in the side face of the mounting plate 211, two groups of sliding rails 24 are mounted on two sides of the sliding groove 212 on the mounting plate 211, and the moving plate 23 is in sliding fit with the two groups of sliding rails 24; a left limit switch 28 is arranged at the left end of the upper sliding rail 24, and a right limit switch 29 is arranged at the right end of the upper sliding rail 24; a left limit switch 30 is arranged at the left end of the lower sliding rail 24, and a right limit switch 31 is arranged at the right end of the lower sliding rail 24; the upper and lower sides of the mounting plate 211 are provided with reinforcing side plates 21, and the height of the reinforcing side plates 21 is greater than that of the moving plate 23; the lug plate 25 and the movable plate 23 are arranged in a crisscross manner; two sets of threaded holes 214 are formed in the mounting plate 211 corresponding to the two sets of ball screws 38, two sets of through holes 213 are formed in the mounting plate 211 corresponding to the two sets of guide rods 11, each set of guide rods 11 is arranged in the corresponding through holes 213 in a penetrating mode, and each set of ball screws 38 is in threaded fit with the corresponding threaded holes 214.
When in application, the method comprises the following steps: the use of the left limit switch 28, the right limit switch 29, the left limit switch 30 and the right limit switch 31 limits the movement range of the movable plate 23, so that the moving ladder 1 always keeps moving at a safe position, safety guarantee is provided for the movement path of the moving ladder 1, and meanwhile, a warning effect can be provided for the movement range of the moving ladder 1, and when the ball screw 38 drives the telescopic device 2 to move up and down, the guide rod 11 is more stable, and the consistent movement direction is ensured without deviation.
The above description is merely of preferred embodiments of the present utility model, and the scope of the present utility model is not limited to the above embodiments, but all equivalent modifications or variations according to the present disclosure will be within the scope of the claims.
Claims (10)
1. A telescopic gangway ladder apparatus, characterized in that: the telescopic gangway ladder device comprises a moving ladder (1), a telescopic device (2), an upper cover plate (3), an ocean platform (D) and a fixed rack (9);
the fixed rack (9) is arranged on the ocean platform (D), the side surface of the fixed rack (9) is connected with one end of the telescopic device (2), and the telescopic device (2) is provided with the moving ladder (1);
the top and the bottom of the fixed rack (9) are respectively provided with an upper cover plate (3) and a lower cover plate (17), and a bottom plate (8) is arranged between the top of the ocean platform (D) and the bottom of the lower cover plate (17);
two groups of motors (32) are arranged at the top of the upper cover plate (3), the output shaft of each group of motors (32) is connected with one end of a ball screw (38), the telescopic device (2) is arranged on the two groups of ball screws (38), and the other end of the ball screw (38) penetrates through the upper cover plate (3) and then is connected with the top of the lower cover plate (17);
the top of the upper cover plate (3) is provided with two groups of guide rods (11) in a penetrating way, and the bottom ends of the two groups of guide rods (11) are connected with the top of the lower cover plate (17);
an upper limit switch (26) is arranged at the bottom of the upper cover plate (3) corresponding to the telescopic device (2), and a lower limit switch (27) is arranged at the top of the lower cover plate (17) corresponding to the telescopic device (2).
2. A telescopic gangway apparatus as claimed in claim 1, wherein: the left support plate (5) and the right support plate (4) are respectively arranged on the front side and the rear side of the fixed rack (9), the tops of the left support plate (5) and the right support plate (4) are connected with the bottom of the upper cover plate (3), and the bottoms of the left support plate (5) and the right support plate (4) are connected with the top of the bottom plate (8);
the left support plate (5) and the right support plate (4) are identical in structure and symmetrically arranged.
3. A telescopic gangway apparatus as claimed in claim 2, wherein: the top of bottom plate (8) is installed left unable adjustment base (7) and right unable adjustment base (6) respectively, and the top of left unable adjustment base (7) is connected with the bottom of left side ball lead screw (38), and the top of right unable adjustment base (6) is connected with the bottom of right side ball lead screw (38).
4. A telescopic gangway apparatus as claimed in claim 3, wherein: the side wall of the guide rod (11) is sleeved with a sleeve (10), a gap exists between the upper end of the sleeve (10) and the upper cover plate (3), and a gap exists between the lower end of the sleeve (10) and the lower cover plate (17).
5. A telescopic gangway apparatus as claimed in claim 4, wherein: an upper fixing plate (12) is arranged at the top of the upper cover plate (3), and the top of the upper fixing plate (12) is connected with the upper cover plate (3) through two groups of fixing screws (13);
an upper fixing clamp spring (14) is arranged between the upper end side wall of the guide rod (11) and the upper cover plate (3), and a lower fixing clamp spring (19) is arranged between the lower end side wall of the guide rod (11) and the lower cover plate (17).
6. A telescopic gangway apparatus as claimed in claim 5, wherein: a motor fixing frame (35) is arranged on the side wall of the top of the upper cover plate (3) positioned on the ball screw (38), a motor (32) is arranged on the top of the motor fixing frame (35), an output shaft of the motor (32) is connected with one end of a coupler (33), the other end of the coupler (33) penetrates through the motor fixing frame (35) and then is connected with one end of a coupler (34), and the other end of the coupler (34) is connected with the ball screw (38);
the ball screw (38) is fixed with the duplex shaft (34) through an upper bearing (37), the lower end of the ball screw (38) penetrates through the upper cover plate (3) and then is connected with the lower cover plate (17), and a partition plate (36) is arranged between the duplex shaft (34) and the upper bearing (37).
7. A telescopic gangway apparatus as claimed in claim 6, wherein: the left fixing base (7) is provided with a placing groove (71), a lower bearing (18) is embedded in the placing groove (71), a lower cover plate (17) is arranged above the lower bearing (18) at the top of the left fixing base (7), the upper fixing plate (12) is connected with the left fixing base (7) through two groups of lower fixing screws (171), and the lower end of the ball screw (38) penetrates through the lower cover plate (17) and then is connected with the lower bearing (18).
8. A telescopic gangway apparatus as claimed in claim 7, wherein: the bottom of the left fixed base (7) is a hollow cavity (72), and the diameter of the bottom is smaller than that of the top.
9. A telescopic gangway apparatus as claimed in claim 1, wherein: the telescopic device (2) comprises an oil cylinder (22), a moving plate (23), a track (24) and a mounting plate (211), wherein the oil cylinder (22) is mounted on the mounting plate (211), a piston end of the oil cylinder (22) is connected with one side of the moving plate (23), the other side of the moving plate (23) is connected with two lug plates (25), and a moving ladder (1) is clamped between the two lug plates (25);
a sliding groove (212) is formed in the side face of the mounting plate (211), two groups of sliding rails (24) are mounted on two sides, located on the sliding groove (212), of the mounting plate (211), and the moving plate (23) is in sliding fit with the two groups of sliding rails (24).
10. A telescopic gangway apparatus as claimed in claim 9, wherein: the left end of the slide rail (24) above is provided with a left limit switch (28), and the right end of the slide rail (24) above is provided with a right limit switch (29);
the left end of the slide rail (24) below is provided with a left limit switch (30), and the right end of the slide rail (24) below is provided with a right limit switch (31);
reinforcing side plates (21) are arranged on the upper side and the lower side of the mounting plate (211), and the height of each reinforcing side plate (21) is larger than that of each movable plate (23);
the lug plate (25) and the movable plate (23) are arranged in a crisscross manner;
two sets of threaded holes (214) are formed in the mounting plate (211) corresponding to the two sets of ball screws (38), two sets of through holes (213) are formed in the mounting plate (211) corresponding to the two sets of guide rods (11), each set of guide rods (11) is arranged in the corresponding through holes (213) in a penetrating mode, and each set of ball screws (38) is in threaded fit with the corresponding threaded holes (214).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322209510.7U CN220577468U (en) | 2023-08-17 | 2023-08-17 | Telescopic gangway ladder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322209510.7U CN220577468U (en) | 2023-08-17 | 2023-08-17 | Telescopic gangway ladder device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220577468U true CN220577468U (en) | 2024-03-12 |
Family
ID=90119174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322209510.7U Active CN220577468U (en) | 2023-08-17 | 2023-08-17 | Telescopic gangway ladder device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220577468U (en) |
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2023
- 2023-08-17 CN CN202322209510.7U patent/CN220577468U/en active Active
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