CN216834175U - Accommodation ladder with pedal linkage mechanism - Google Patents

Abstract

The utility model discloses a gangway ladder with footboard link gear belongs to gangway ladder technical field, this gangway ladder includes the base, ladder frame with base swing joint and a plurality of footboards that set up on ladder frame and be connected with ladder frame, the footboard includes the working plate, connecting plate and fixed axle, the footboard passes through fixed axle and ladder frame swing joint, the connecting plate passes through connecting axle and connecting rod swing joint, a plurality of connecting plates pass through the connecting rod and connect, adjust the luffing angle of working plate when the connecting rod drives the connecting plate and removes, be equipped with the kicking block that is used for supporting tight connecting rod on the base, be equipped with spring base pole on the ladder frame, spring base pole is connected with the connecting rod through the playback spring and utilizes spring elasticity to spur block direction pulling connecting rod, the working plate is in horizontal position under the effect of pushing away of the elasticity of playback spring and kicking block. The utility model can make the pedal in a horizontal state all the time by utilizing the spring base rod, the homing spring, the top block and the like, and the gangway ladder has high safety; can subtract short body of rod length through setting up thrust device, do not influence the gangway ladder whole folding.

Description

Accommodation ladder with pedal linkage mechanism

Technical Field

The utility model belongs to the technical field of the gangway ladder, concretely relates to gangway ladder with footboard link gear.

Background

The gangway ladder is a movable staircase which is arranged on two sides of a ship and is used for passengers to get on and off the ship, and generally comprises an upper platform, a lower platform, a main body ladder frame, pedals arranged on the ladder frame and handrail handrails. Among the current gangway ladder, the footboard on the gangway ladder generally adopts the camber line and adopts modes such as welding to fix on the ladder frame, can correspond when the deck altitude variation and adjust the gangway ladder pitch angle, then the different areas that supply to trample of angle of footboard are also different when the gangway ladder pitch angle is adjusted, and personnel step on the tread when going on and off the ship uneven, and it is inconvenient to use, leads to going on and off the ship easy accident, and the security is low.

SUMMERY OF THE UTILITY MODEL

The technical problem is as follows: to the above-mentioned problem that exists among the prior art, the utility model aims to solve the technical problem that an accommodation ladder with footboard link gear improves accommodation ladder safety in utilization is provided.

The technical scheme is as follows: in order to solve the technical problem, the utility model discloses a technical scheme as follows:

a gangway ladder with a pedal linkage mechanism comprises a base, a ladder frame movably connected with the base and a plurality of pedals arranged on the ladder frame and connected with the ladder frame, the pedal comprises a working plate, a connecting plate and a fixed shaft, the pedal is movably connected with the ladder frame through the fixed shaft, the connecting plates are movably connected with the connecting rods through connecting shafts, the connecting plates are connected through the connecting rods, the connecting rod drives the connecting plate to move so as to adjust the pitching angle of the working plate, the base is provided with a top block for tightly abutting against the connecting rod, the ladder frame is provided with a spring base rod which is connected with the connecting rod through a return spring and pulls the connecting rod towards the direction of the ejector block by utilizing the elasticity of the spring, the working plate is in a horizontal position under the action of the elastic force of the return spring and the pushing action of the top block.

Preferably, the number of the pedal upper connecting plates is two, and the two connecting plates are respectively connected to two sides of the working plate.

Preferably, the ladder frame include first folding frame and with the folding frame of first folding frame articulated second, the connecting rod include with the first body of rod that first folding frame corresponds and with the second body of rod that the folding frame of second corresponds, all be equipped with on folding frame of first folding frame and second spring base pole and homing spring.

Preferably, the ladder frame still include with the articulated third folding frame of second folding frame, the connecting rod still include with the third body of rod that third folding frame corresponds is equipped with on the third folding frame spring base rod and homing spring, be equipped with on the second body of rod and be used for promoting the second thrust device of the third body of rod.

Preferably, the top block is movably connected with the base through a first thrust device.

Preferably, the first thrust device and the second thrust device both adopt hydraulic oil cylinders.

Preferably, a first communicating hole is formed in the connecting plate, a second communicating hole corresponding to the first communicating hole is formed in the connecting rod, and the connecting shaft penetrates through the first communicating hole and the second communicating hole.

Preferably, still be equipped with on the base with kicking block swing joint's auxiliary support seat, connecting rod one end is equipped with first gyro wheel, be equipped with on the kicking block and be used for blockking the stopper of first gyro wheel.

Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: 1. the pitch angle of the pedal working plate can be uniformly adjusted through the connecting rod by arranging the pedal connecting plate and the connecting rod, and the pedal can be always in a horizontal state by utilizing the spring base rod, the return spring, the jacking block and the like, so that the gangway ladder is convenient for personnel to step on and has high safety; 2. the connecting rod is divided into three rod bodies corresponding to the folding frames, the length of the rod bodies can be shortened by arranging the thrust device, and the overall folding of the gangway ladder is not influenced.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic sectional view of the pedal in the embodiment;

FIG. 3 is a schematic view of the structure of the pedal in the embodiment;

FIG. 4 is an enlarged view at A in FIG. 1;

FIG. 5 is an enlarged view at B in FIG. 1;

FIG. 6 is an enlarged view at C of FIG. 1;

FIG. 7 is an enlarged view at D of FIG. 1;

FIG. 8 is a schematic structural diagram of a second embodiment of the top block in the example.

Detailed Description

The present invention will be further illustrated by the following specific examples, which are carried out on the premise of the technical scheme of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, 2 and 3, a gangway ladder with a pedal linkage mechanism comprises a base 1, a ladder frame 2 and a plurality of pedals 3, wherein the ladder frame 2 comprises two symmetrically arranged gangway ladder arms which are respectively hinged with the base 1, the ladder frame 2 can adjust the pitch angle relative to the base 1, the pedals 3 are arranged in parallel and are used for people to pedal when getting on or off the boat, the pedals 3 comprise a working plate 31, connecting plates 32 and a fixed shaft 33, the connecting plates 32 are symmetrically arranged at two sides of the lower end of the working plate 31, the two connecting plates 32 are both provided with the fixed shaft 33, bearings are arranged on the ladder frame 2 corresponding to the fixed shaft 33, so that the pedals 3 are hinged with the ladder frame 2, the working plate 31 can change the pitch angle relative to the ladder frame 2, the connecting plates 32 at each side below the pedals 3 are connected through connecting rods 5 in a hinged mode, and a first connecting hole 322 is arranged on the connecting plates 32, be equipped with the second intercommunicating pore that corresponds with first intercommunicating pore 322 on connecting rod 5, run through first intercommunicating pore 322 and second intercommunicating pore through a connecting axle 321 and articulate connecting plate 32 and connecting rod 5 together, the connecting plate 32 of footboard both sides is through two connecting rod 5 swing joint respectively, can drive connecting plate 32 rather than being connected when connecting rod 5 moves about, because footboard 3 is articulated with ladder frame 2 through fixed axle 33, fixed axle 33 is the fulcrum, the every single move angle of working plate 31 can be adjusted when connecting plate 32 removes, two connecting rod 5 remove simultaneously, the every single move angle of working plate 31 that can be more stable adjusts.

As shown in fig. 1 and 4, a top block 11 for tightly abutting against a connecting rod 5 is arranged on a base 1, the top block 11 is provided with two top blocks, the positions of the two top blocks correspond to the positions of the connecting rod 5, the top block 11 is movably connected with the base 1 through a first thrust device 4, the first thrust device 4 adopts a hydraulic oil cylinder, a piston of the hydraulic oil cylinder pushes the top block 11, when the gangway ladder is used, a first roller 511 is arranged at the head end of the connecting rod 5, the first roller 511 abuts against the top block 11, and the connecting rod 5 is limited by the top block 11 when moving towards the top block 11.

As shown in fig. 1 and 6, a spring base rod 6 is arranged on the ladder frame 2, the spring base rod 6 is arranged between two ladder arms, the spring base rod 6 is connected with the connecting rod 5 through a return spring 61, a protruding block is arranged on a connecting shaft 321 which is away from the front of the spring base rod 6 by a proper distance in order to connect the return spring 61, the protruding block is hooked by the tail of the return spring 61 conveniently, the return spring 61 is pulled backwards by tensile elastic force forwards, the connecting rod 5 is pulled towards the direction of the ejector block 11 by the elastic force of the return spring 61, so that the connecting rod 5 is subjected to the dual functions of the elastic force of the return spring 61 and the pushing of the ejector block 11, the connecting plate 32 is kept still, and the working plate 31 can be located at a horizontal position when the pitching angle of the ladder frame 2 changes.

As shown in fig. 1, 5, 6 and 7, the ladder frame 2 includes a first folding frame 21, a second folding frame 22 and a third folding frame 23, the second folding frame 22 is hinged to the first folding frame 21, the third folding frame 23 is hinged to the second folding frame 22, the connecting rod 5 includes a first rod 51 corresponding to the first folding frame 21, a second rod 52 corresponding to the second folding frame 22 and a third rod 53 corresponding to the third folding frame 23, each folding frame is provided with a spring base 6 and a return spring 61, and the return spring 61 of each folding frame is connected to the corresponding rod, so as to pull the rods toward the top block 11 in a sectional manner; be equipped with a second gyro wheel on the head end of the second body of rod 52, make things convenient for the tail end of the first body of rod 51 to promote the second body of rod 52 through the second gyro wheel, the tail end of the second body of rod 52 is equipped with second thrust device 521, second thrust device 521 adopts hydraulic cylinder, support the head end at the third body of rod 53 through the piston rod, accomplish the transmission of 5 atresss of connecting rod from head end to tail end, connecting rod 5 falls into three body of rod and can cooperate ladder frame 2 to fall into three folding frame, make things convenient for the gangway ladder to fold, it can withdraw the piston rod when the gangway ladder is folding to set up second thrust device 521, thereby subtract short body of rod length, can not cause the hindrance because of the body of overlength when the gangway ladder is folding.

As shown in fig. 8, the difference from the first embodiment of the top block 11 is that the top block 11 extends upwards to form an oval shape, the base 1 is further provided with an auxiliary supporting seat 41, the auxiliary supporting seat 41 is movably connected with the top block 11 through a piston rod, when the piston of the first thrust device 4 pushes the top block 11 outwards, the piston rod of the auxiliary supporting seat 41 also extends along with the top block, the limiting block 111 is arranged on the side of the top block 11 contacting with the first roller 511, when the first rod 51 inclines, the pedal 3 has a downward force due to the stepping of a person, because the fixed shaft 33 is a fulcrum, the first roller 511 has an upward force, the limiting block 111 can bear the upward force of the first rod 51 when the first rod 51 inclines, and thus the bearing capacity of the pedal 3 when the gangway ladder is used at a large angle is improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The gangway ladder with the pedal linkage mechanism comprises a base (1), a ladder frame (2) movably connected with the base (1) and a plurality of pedals (3) arranged on the ladder frame (2) and connected with the ladder frame (2), and is characterized in that the pedals (3) comprise a working plate (31), a connecting plate (32) and a fixing shaft (33), the pedals (3) are movably connected with the ladder frame (2) through the fixing shaft (33), the connecting plate (32) is movably connected with a connecting rod (5) through a connecting shaft (321), the connecting plate (32) is connected through the connecting rod (5), the connecting rod (5) drives the connecting plate (32) to move so as to adjust the pitching angle of the working plate (31), a jacking block (11) used for tightly abutting against the connecting rod (5) is arranged on the base (1), a spring base rod (6) is arranged on the ladder frame (2), the spring base rod (6) is connected with the connecting rod (5) through a return spring (61) and pulls the connecting rod (5) towards the ejector block (11) by utilizing the spring force, and the working plate (31) is in a horizontal position under the action of the spring force of the return spring (61) and the abutting action of the ejector block (11).

2. The gangway ladder with the pedal linkage mechanism as claimed in claim 1, wherein the number of the connecting plates (32) on the pedals (3) is two, and the two connecting plates (32) are respectively connected to both sides of the working plate (31).

3. The gangway ladder with the pedal linkage mechanism according to claim 1, wherein the ladder frame (2) comprises a first folding frame (21) and a second folding frame (22) hinged to the first folding frame (21), the connecting rod (5) comprises a first rod body (51) corresponding to the first folding frame (21) and a second rod body (52) corresponding to the second folding frame (22), and the spring base rod (6) and the return spring (61) are arranged on the first folding frame (21) and the second folding frame (22).

4. The gangway ladder with the pedal linkage mechanism as claimed in claim 3, wherein the ladder frame (2) further comprises a third folding frame (23) hinged to the second folding frame (22), the connecting rod (5) further comprises a third rod body (53) corresponding to the third folding frame (23), the third folding frame (23) is provided with the spring base rod (6) and the return spring (61), and the second rod body (52) is provided with a second thrust device (521) for pushing the third rod body (53).

5. Gangway ladder with pedal linkage according to claim 4, characterized in that the top piece (11) is movably connected with the base (1) by means of a first thrust device (4).

6. The gangway ladder with the pedal linkage mechanism as claimed in claim 5, characterized in that the first thrust device (4) and the second thrust device (521) are both hydraulic cylinders.

7. The gangway ladder with the pedal linkage mechanism according to claim 1, wherein a first communicating hole (322) is formed in the connecting plate (32), a second communicating hole corresponding to the first communicating hole (322) is formed in the connecting rod (5), and the connecting shaft (321) penetrates through the first communicating hole (322) and the second communicating hole.

8. The gangway ladder with the pedal linkage mechanism as claimed in claim 5, wherein an auxiliary supporting seat (41) movably connected with the top block (11) is further arranged on the base (1), a first roller (511) is arranged at one end of the connecting rod (5), and a limiting block (111) for blocking the first roller (511) is arranged on the top block (11).

Images