Carrying platform for airstairs

Abstract

The utility model discloses a carrying platform for an airplane boarding ladder, which belongs to the technical field of airplane ground support equipment, comprises the boarding ladder, a lifting platform, a lifting platform side plate and an airplane floor, and is characterized in that the carrying platform is arranged above the lifting platform side plate; the carrying platform comprises a stretcher, a sliding guide rail, a fixed guide rail, a sliding block, a support, a guide roller, sliding rollers, a left side locking shifting piece, a right side locking shifting piece and an end limiting plate, the sliding rollers are arranged on the two sides of the lifting platform side plate, the support is arranged on one sides of the sliding rollers, the guide roller is arranged above the sliding rollers, and the fixed guide rail is arranged above the stretcher. When the sick and wounded or materials are placed on the lifting platform on the ground or the sick and wounded or materials are moved away from the lifting platform on the ground, the carrying platform can be pulled out towards the rear side, the carrying platform can be conveniently operated to lock the stretcher through two sets of independent mechanisms, and operation is easy; the carrying platform is provided with multiple groups of rollers, so that the stretcher moves stably and continuously with small friction force.

Description

Technical Field

[0001] The utility model belongs to the technical field of aircraft ground support equipment, and particularly relates to a carrying platform for an aircraft boarding ladder. Background Technique

[0002] At present, when transferring the wounded and sick and supplies between the ground and the aircraft by the boarding ladder, the following several solutions are mainly adopted:

[0003] In WO2017190181A1, a stretcher platform is installed on the lifting platform of the boarding ladder. The upper part of the stretcher platform is used to install a stretcher, multiple groups of rollers are installed at the lower part of the stretcher platform, a V-shaped guide rail is installed on the side of the lifting platform, and the stretcher platform and the stretcher move back and forth through the rolling of the rollers on the V-shaped guide rail.

[0004] The lifting platform of AU2014274618A1 has a guide rail feature, and the stretcher moves according to the guide rail;

[0005] In CN114469543A, there is a transfer cart. The transfer cart clamps the stretcher on the transfer cart through a plurality of C-shaped card slots thereon. Multiple groups of rollers are provided at the lower part of the transfer cart. The transfer cart and the stretcher roll in the guide rail on the lifting platform of the boarding ladder through the rollers to realize the forward and backward movement of the stretcher.

[0006] The distance between the lifting platform and the boarding ladder in the above solutions is very close. When the stretcher is placed back and forth on the lifting platform, the space on the side close to the boarding ladder is small and the operation is difficult, and the overall weight and occupied space are large, which is not conducive to transportation with the aircraft. For this reason, we propose a carrying platform for an aircraft boarding ladder. Content of the Utility Model

[0007] The purpose of the utility model is to provide a carrying platform for an aircraft boarding ladder, so as to realize the convenient and safe transfer of the wounded and sick or supplies between the ground and the aircraft through the aircraft boarding ladder, overcome the deficiencies of the existing technical solutions, provide a carrying platform, and the carrying platform can be telescoped in two directions, front and back, on the lifting platform of the boarding ladder, which is convenient for operation on the ground and in the aircraft cabin, and can safely lock the stretcher during the lifting and transfer process.

[0008] To achieve the above object, the present utility model provides the following technical solutions: A carrying platform for an aircraft boarding ladder, including a boarding ladder, a lifting platform, side plates of the lifting platform, and an aircraft floor, characterized in that: A carrying platform is provided above the side plates of the lifting platform, and the carrying platform includes a stretcher, sliding guide rails, fixed guide rails, sliders, supports, guiding rollers, sliding rollers, a left locking paddle, a right locking paddle, and an end limiting plate. A number of sliding rollers are provided on both sides of the side plates of the lifting platform. A support is provided on one side of the sliding rollers, and a guiding roller is provided above the sliding rollers. The stretcher is slidably connected below the sliding rollers through the sliding guide rails. A fixed guide rail is provided above the sliding guide rails, and a stretcher is provided above the fixed guide rail. A sliding locking hook is provided on the upper surface of the stretcher, and an end limiting plate is provided on the right side of the sliding locking hook.

[0009] Preferably, two sliders are provided on the left side of the sliding guide rail. A left locking paddle is provided above one slider, and a right locking paddle is provided above the other slider. A rubber cushion block is provided inside the slider. A slider connecting member is provided below the slider. Two guide rail connecting members are provided below the slider connecting member. The fixed guide rail is located above the side plates of the lifting platform. A limiting buckle is provided above the end limiting plate, and an end plate rotating shaft is provided below the end limiting plate.

[0010] Preferably, one end of the stretcher is respectively clamped inside the two sliders, and the left locking paddle and the right locking paddle are clamped above the stretcher.

[0011] Compared with the prior art, the beneficial effects of the present utility model are:

[0012] When placing the wounded or sick or materials on the lifting platform on the ground, or when removing the wounded or sick or materials from the lifting platform on the ground, the carrying platform can be pulled out to the rear side, which is convenient for operation;

[0013] When placing the wounded or sick or materials on the lifting platform in the aircraft cabin, or when removing the wounded or sick or materials from the lifting platform to the cabin in the aircraft cabin, the carrying platform can be pulled out to the front side, which is convenient for operation;

[0014] The carrying platform locks the stretcher through two sets of independent mechanisms, and is easy to operate;

[0015] The carrying platform is equipped with multiple groups of rollers, and the stretcher moves smoothly and continuously with small friction. Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 It is a schematic diagram of the boarding ladder and stretcher structures of the present utility model;

[0018] Figure 3Structural schematic diagram of Structure A of the present utility model;

[0019] Figure 4 Structural schematic diagram of the stretcher of the present utility model;

[0020] Figure 5 Structural schematic diagram of Structure B of the present utility model;

[0021] Figure 6 Side view structural schematic diagram of the present utility model.

[0022] In the figure: 101, boarding ladder; 102, lifting platform; 103, side plate of lifting platform; 104, aircraft floor; 20, carrying platform; 201, stretcher; 202, sliding guide rail; 203, fixed guide rail; 204, slider; 205, slider connecting piece; 206, guide rail connecting piece; 207, left locking tab; 208, right locking tab; 209, support; 210, guiding roller; 211, sliding roller; 212, end limiting plate; 213, limiting buckle; 214, end plate rotating shaft; 215, rubber cushion block; 216, sliding locking hook. Detailed implementation manners

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figure 1-6 , the present utility model provides a technical solution for a carrying platform for an aircraft boarding ladder: including a boarding ladder 101, a lifting platform 102, a side plate 103 of the lifting platform, and an aircraft floor 104, characterized in that: a carrying platform 20 is provided above the side plate 103 of the lifting platform, the carrying platform 20 includes a stretcher 201, a sliding guide rail 202, a fixed guide rail 203, a slider 204, a support 209, a guiding roller 210, a sliding roller 211, a left locking tab 207, a right locking tab 208, and an end limiting plate 212. A plurality of sliding rollers 211 are provided on both sides of the side plate 103 of the lifting platform, a support 209 is provided on one side of the sliding roller 211, a guiding roller 210 is provided above the sliding roller 211, the stretcher 201 is slidably connected below the sliding roller 211 through the sliding guide rail 202, a fixed guide rail 203 is provided above the sliding guide rail 202, the stretcher 201 is provided above the fixed guide rail 203, a sliding locking hook 216 is provided on the upper surface of the stretcher 201, and an end limiting plate 212 is provided on the right side of the sliding locking hook 216.

[0025] Specifically, there are two sliders 204 provided on the left side of the sliding guide rail 202. Above one side of the slider 204, there is a left locking flap 207, and above the other side of the slider 204, there is a right locking flap 208. Inside the slider 204, there is a rubber cushion block 215. Below the slider 204, there is a slider connecting piece 205. Below the slider connecting piece 205, there are two guide rail connecting pieces 206. The fixed guide rail 203 is located above the side plate 103 of the lifting platform. Above the end limiting plate 212, there is a limiting buckle 213, and below the end limiting plate 212, there is an end plate rotating shaft 214.

[0026] Specifically, one end of the stretcher 201 is respectively clamped inside the two sliders 204, and the left locking flap 207 and the right locking flap 208 are clamped above the stretcher 201.

[0027] In this implementation plan, there is a set of sliding guide rails 202 and lifting platforms 102 on the left and right respectively, which are respectively composed of a fixed guide rail 203 and a sliding guide rail 202. The fixed guide rail 203 is installed on the side plate 103 of the lifting platform through bolts, and the sliding guide rail 202 can extend in two directions, forward and backward.

[0028] The sliders 204, with a set on the left and right of the lifting platform 102, are connected by a horizontal slider connecting piece 205. On the upper part of the left and right sliders 204, there are card slots for placing the stretcher 201 and for limiting the front and back positions of the stretcher 201. The slider 204 is connected to the sliding guide rail 202 through a guide rail connecting piece 206, realizing the synchronous forward and backward movement of the slider 204 and its stretcher 201 along with the sliding guide rail 202;

[0029] The supports 209 and the guide rollers 210. Multiple groups of supports 209 are installed on the side plates of the two-sided lifting platforms 102 through bolts. On the supports 209, there are sliding rollers 211 installed. The plane formed by multiple groups of sliding rollers 211 is used for placing the stretcher 201. By means of the sliding rollers 211, the friction of the movement of the stretcher 201 is reduced. At the same time, guide rollers 210 are installed on the supports 209 to provide a guiding function for the forward and backward movement of the stretcher 201. The left and right locking flaps are respectively installed inside the slider 204, and the locking and unlocking of the stretcher 201 in the up and down directions can be realized by rotating the position of the flap.

[0030] The end limiting plate 212, with two limiting buckles 213 installed on the upper part. The limiting buckles 213 are buckled on the stretcher 201, which can limit the stretcher 201 upward. At the same time, the end limiting plate 212 can limit the stretcher 201 forward; the end limiting plate 212 can rotate around the end plate rotating shaft 214 installed on the side plate 103 of the lifting platform. After rotating downward, the locking of the end limiting plate 212 and the limiting buckle 213 to the stretcher 201 can be released.

[0031] According to Figure 1, the boarding ladder 101 and the lifting platform side plate 103 form a transfer passage along the boarding ladder 101 between the aircraft and the ground.

[0032] According to Figure 2 and Figure 3 , the fixed guide rail 203 is fixed to the lifting platform side plate 103. The sliding guide rails 202 on both sides are respectively connected to the guide rail connectors 206 on both sides by bolts. The guide rail connectors 206 on both sides are connected to the slider connector 205 by bolts. The sliders 204 on both sides are connected to the slider connector 205 by bolts, thus forming an integral structure. The integral structure moves on the fixed guide rail 203 through the sliding guide rail 202.

[0033] According to Figure 2 and Figure 3 , when the staff needs to place the wounded, sick or supplies on the ground onto the lifting platform 102, press down the sliding lock hook 216 and pull the slider connector 205 outward until the sliding guide rail 202 cannot move further relative to the fixed guide rail 203. At this time, the integral structure is located outside the lifting platform 102. According to Figure 4 and Figure 5 , place the rear side of the stretcher 201 into the rubber cushion block 215. The rubber cushion block 215 is made of rubber material and is located in the card slot of the slider 204 for buffering and protection. Multiple groups of sliding rollers 211 form a plane, and the entire stretcher 201 is placed on this plane to complete the placement.

[0034] According to Figure 4 and Figure 5 , when the transport platform 20 and the stretcher, the wounded, sick or supplies descend from the aircraft to the ground along the boarding ladder 101, and the staff needs to move the wounded, sick or supplies from the lifting platform 102 on the ground, press the sliding lock hook 216 in the same way, pull the slider connector 205, move the integral structure to the outside, and operate the left locking dial 207 and the right locking dial 208 respectively to keep them in the unlocked state, and the stretcher 201 is unlocked and can be moved away.

[0035] According to Figure 6 , when it is necessary to move the wounded, sick or supplies from the lifting platform 102 to the aircraft cabin inside the aircraft cabin, first the lifting platform 102 rises along the boarding ladder 101 to near the aircraft floor 104. The staff rotates the end limiting plate 212 downward around the end plate rotating shaft 214, and the limit buckle 213 rotates downward synchronously and disengages from the stretcher 201. Press the sliding lock hook 216 and pull the motor 201 in the direction of the aircraft cabin, so that the sliding guide rail 202 moves forward along the fixed guide rail 203 until the transport platform 20 enters the aircraft cabin. Operate the left locking dial 207 and the right locking dial 208 to release the upward limit on the stretcher 201. At this time, lift the stretcher 201 upward to move the wounded, sick or supplies into the cabin.

[0036] When it is necessary to place the wounded or sick or supplies on the lifting platform 102 inside the aircraft cabin, keep the carrying platform 20 in front of the lifting platform 102, keep it inside the cabin, place the rear side of the stretcher 201 inside the rubber cushion block 215, and the stretcher 201 forms a plane fit with multiple groups of sliding rollers 211. Operate the left locking dial 207 and the right locking dial 208 to lock the stretcher 201, and push the stretcher 201 outward until the sliding locking hook 216 pops up to lock the stretcher 201. At this time, place the wounded or sick or supplies on the lifting platform 102.

[0037] According to Figure 5 , when the left locking dial 207 and the right locking dial 208 are kept above the rubber cushion block 215, the left locking dial 207, the right locking dial 208 and the rubber cushion block 215 form a closed area, and the front part of the stretcher 201 is located inside the closed area and cannot be separated. The left locking dial 207 and the right locking dial 208 are in the locked state.

[0038] According to Figure 3 , pull up the left locking dial 207 and the right locking dial 208, keep the left locking dial 207 and the right locking dial 208 in the lifted state, rotate the right locking dial 208 clockwise by 90°, rotate the left locking dial 207 counterclockwise by 90°, release the left locking dial 207 and the right locking dial 208, and the two are pressed tightly on the upper plane of the slider 204 under the action of the spring inside the slider 204. The left locking dial 207 and the right locking dial 208 are in the unlocked state.

[0039] The carrying platform 20 is equipped with multiple groups of supports 209 on both sides of the lifting platform side plate 103. Each support 209 is equipped with longitudinal and guiding rollers 210 and sliding rollers 211. When the stretcher 201 is placed on the carrying platform 20, the sliding rollers 211 are located under the stretcher 201. When the stretcher 201 moves back and forth, the friction of the movement of the stretcher 201 is reduced by the rotation of the sliding rollers 211.

[0040] Each support 209 is also equipped with guiding rollers 210 for guiding the front and back movement of the stretcher 201. The stretcher 201 moves along the vertical plane formed by the guiding rollers 210 on both sides.

[0041] When the stretcher 201 moves on the carrying platform 20, there is always at least one pair of symmetric guiding rollers 210 and sliding rollers 211 in contact with the stretcher 201.

[0042] When placing the wounded or sick or supplies on the lifting platform 102 on the ground, or when moving the wounded or sick or supplies from the lifting platform 101 on the ground, the carrying platform 20 can be pulled out to the rear side for convenient operation;

[0043] When placing the wounded, sick or materials in the aircraft cabin onto the lifting platform 102, or when moving the wounded, sick or materials from the lifting platform 102 to the cabin in the aircraft cabin, the carrying platform 20 can be pulled out forward for convenient operation;

[0044] The carrying platform 20 locks the stretcher 201 through two sets of independent mechanisms and is easy to operate;

[0045] The carrying platform 20 is equipped with multiple sets of rollers, and the stretcher 201 moves smoothly and continuously with little friction.

[0046] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation. An element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0047] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A carrying platform for an aircraft boarding ladder, comprising a boarding ladder (101), a lifting platform (102), a lifting platform side panel (103), and an aircraft floor (104), characterized in that: A carrying platform (20) is provided above the lifting platform side plate (103), and the carrying platform (20) comprises a stretcher (201) and a sliding guide rail (202), a fixed guide rail (203), a slider (204), a support (209), a guide roller (210), a sliding roller (211), a left locking paddle (207), a right locking paddle (208), and an end limit plate (212). A plurality of sliding rollers (211) are provided on both sides of the lifting platform side plate (103). 11) A support (209) is provided on one side, a guide roller (210) is provided above the sliding roller (211), the stretcher (201) is slidably connected to the bottom of the sliding roller (211) through a sliding guide rail (202), a fixed guide rail (203) is provided above the sliding guide rail (202), a stretcher (201) is provided above the fixed guide rail (203), a sliding lock hook (216) is provided on the upper surface of the stretcher (201), and an end limit plate (212) is provided on the right side of the sliding lock hook (216).

2. A carrying platform for an aircraft boarding ladder according to claim 1, characterized in that: Two sliders (204) are provided on the left side of the sliding guide rail (202); a left locking paddle (207) is provided above the slider (204) on one side, and a right locking paddle (208) is provided above the slider (204) on the other side; a rubber pad (215) is provided on the inner side of the slider (204); a slider connector (205) is provided below the slider (204); two guide rail connectors (206) are provided below the slider connector (205); the fixed guide rail (203) is located above the lifting platform side plate (103); a limit buckle (213) is provided above the end limit plate (212); and an end plate rotating shaft (214) is provided below the end limit plate (212).

3. A carrying platform for an aircraft boarding ladder according to claim 2, characterized in that: One end of the stretcher (201) is respectively clamped inside two sliders (204), and the left locking paddle (207) and the right locking paddle (208) are clamped above the stretcher (201).

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