Escalator chassis structure with string ladder

Abstract

The utility model discloses an escalator chassis structure with a string ladder, which relates to the technical field of escalator chassis structures, and comprises a chassis, the top end of the chassis is respectively and fixedly connected with an escalator body and an extension pedal, the opposite sides of the escalator body and the extension pedal are mutually connected, and the bottom end of the chassis is fixedly connected with two pairs of universal wheels. The inner bottom end of the bottom frame is fixedly connected with an L-shaped plate, and an auxiliary supporting mechanism is arranged on the L-shaped plate and used for supporting and fixing the bottom frame. The auxiliary supporting mechanism comprises a transmission threaded rod. According to the utility model, on the basis that the two pairs of grounding pressing plates are grounded, supported and fixed along the periphery of the bottom frame, the auxiliary supporting mechanism drives the pair of supporting rods to move downwards along the two sides of the bottom frame near the central area until the supporting rods are in contact with the ground for grounding, supporting and fixing, so that the bottom frame is supported and fixed in multiple directions; and therefore, people can carry out stable boarding or off-board activities conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the escalator chassis structure technical field, specifically an escalator chassis structure with string ladder. BACKGROUND

[0002] The airplane boarding escalator is a device for connecting the airplane and the airport boarding gate, the bottom disc is loaded with the escalator, can move to the airplane area and dock, so that the passenger can move smoothly and safely between the airplane and the boarding gate, generally divided into the powered boarding escalator and the unpowered boarding escalator, wherein the escalator chassis structure in the unpowered boarding escalator can provide the basic support for the loaded escalator, then under the action of artificial pulling, the escalator chassis structure drives the loaded escalator to move, which is generally used in remote and small airport with less passenger flow.

[0003] At present, in the unpowered boarding escalator moving docking process, the periphery of the escalator chassis structure is generally provided with the corresponding contact support structure for auxiliary support and fixing, to ensure the stability of the boarding or disembarking personnel, and the unpowered boarding escalator is similar in length to the powered boarding escalator, but compared with the powered boarding escalator, the escalator chassis structure is relatively simple, and the weight is also insufficient, although the periphery of the escalator chassis structure is provided with the corresponding auxiliary support, the central area range is rarely provided with the corresponding auxiliary support and fixing structure, when the boarding or disembarking personnel moves too much, the unpowered boarding escalator is prone to shaking and instability, which affects the safety, therefore, the utility model provides an escalator chassis structure with string ladder. UTILITY MODEL CONTENTS

[0004] The utility model aims at making up for the deficiency of prior art, and provides an escalator chassis structure with string ladder.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: an escalator chassis structure with string ladder, including the bottom frame, the top end of the bottom frame is fixedly connected with the escalator body and the extension pedal respectively, and the opposite sides of the escalator body and the extension pedal are connected with each other, the bottom end of the bottom frame is fixedly connected with two pairs of universal wheels, the inner bottom end of the bottom frame is fixedly connected with the L-shaped plate, and the L-shaped plate is provided with the auxiliary support mechanism, and the auxiliary support mechanism is used for the support and fixing of the bottom frame.

[0006] The auxiliary supporting mechanism comprises a transmission threaded rod, the top end of the transmission threaded rod is rotationally connected with the inner top end of the L-shaped plate through a bearing, and the bottom end of the transmission threaded rod is rotationally connected with the inner bottom end of the bottom frame through a bearing, the outer wall of the transmission threaded rod is sleeved with a first bevel gear, and the outer wall of the first bevel gear is meshedly connected with a second bevel gear, the outer wall of the L-shaped plate is rotationally connected with a hand lever through a bearing, and one end of the hand lever is fixedly connected with one end of the second bevel gear, the outer wall of the transmission threaded rod is sleeved with a moving sleeve plate, and the bottom end of the moving sleeve plate is fixedly connected with a pair of supporting rods.

[0007] The top end of the moving sleeve plate is provided with a threaded through hole, the moving sleeve plate is sleeved on the outer wall of the transmission threaded rod through the threaded through hole and is threadedly connected with the transmission threaded rod.

[0008] The end of the moving sleeve plate close to the L-shaped plate is fixedly connected with a connecting rod, and one end of the connecting rod is fixedly connected with a sliding block, the inner wall of the L-shaped plate is provided with a sliding groove, and the sliding block is located in the sliding groove and is slidingly connected with the sliding groove.

[0009] The bottom frame is fixedly connected with threaded pipes on both sides, the threaded pipes are internally threadedly connected with extrusion screws, the bottom end of the extrusion screw passes through the bottom through hole of the threaded pipe and is rotationally connected with a ground pressing plate through a bearing.

[0010] The bottom end of the supporting rod and the bottom end of the ground pressing plate in the descending state are flush with the bottom end of the universal wheel.

[0011] The end of the extension pedal away from the escalator body is fixedly connected with a rubber block, and the rubber block is tubular.

[0012] The bottom frame is fixedly connected with a pair of handles, and the pair of handles are located at the bottom of the extension pedal.

[0013] The upper surface of the escalator body is fixedly connected with a plurality of evenly distributed illuminating lamps.

[0014] Compared with the prior art, the escalator chassis structure with a string ladder has the following beneficial effects:

[0015] First, after the escalator body and the extension pedal are docked with the plane, the ground pressing plate is driven downward by rotating the extrusion screw until it contacts the ground, realizing grounding support and fixation along the periphery of the bottom frame and improving the stability of the bottom frame.

[0016] The utility model discloses a pair of supporting rods are driven to move downward along the two sides of the bottom frame near the central region, and until contact with the ground, and carry out grounding support and fixation, and the bottom frame is supported and fixed in multiple directions, and keeps stable, so that personnel can stably board or get off the aircraft.

[0017] Other advantages, objects, and features of the present utility model will be in part apparent and in part pointed out hereinafter based on the accompanying drawings and detailed description, and will be elabrated to those skilled in the art based on the study of the following, or can be taught from the practice of the present utility model. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is the partial three-dimensional structure schematic diagram of another view of the utility model;

[0020] Figure 3 It is the partial cutaway structure schematic diagram of the auxiliary support mechanism and the bottom frame in the utility model;

[0021] Figure 4 It is the utility model Figure 3 The enlarged structure schematic diagram of A in the utility model.

[0022] In the drawing: 1, bottom frame; 2, escalator body; 3, extension pedal; 4, L-shaped plate; 5, auxiliary support mechanism; 501, transmission screw rod; 502, first bevel gear; 503, second bevel gear; 504, hand lever; 505, moving sleeve plate; 506, supporting rod; 507, link rod; 508, sliding block; 509, sliding groove; 6, threaded tube; 7, extrusion screw; 8, grounding pressure plate; 9, rubber block; 10, handle; 11, universal wheel; 12, illuminating lamp. DETAILED DESCRIPTION

[0023] The technical scheme in the utility model embodiments will be described clearly and completely below in conjunction with the accompanying drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] As Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the utility model provides a technical scheme: a escalator chassis structure with string ladder, including undercarriage 1, the top of undercarriage 1 is fixedly connected with escalator body 2 and extension pedal 3 respectively, and the opposite side of escalator body 2 and extension pedal 3 is connected with each other, the bottom of undercarriage 1 is fixedly connected with two pairs of universal wheel 11, the inner bottom of undercarriage 1 is fixedly connected with L-shaped plate 4, and the L-shaped plate 4 is equipped with auxiliary support mechanism 5, and auxiliary support mechanism 5 is used for the support of undercarriage 1 Fixed;

[0025] Wherein, auxiliary support mechanism 5 includes transmission screw rod 501, the top of transmission screw rod 501 is rotatably connected with the inner top of L-shaped plate 4 through bearing, and the bottom of transmission screw rod 501 is rotatably connected with the inner bottom of undercarriage 1 through bearing, the outer wall of transmission screw rod 501 is sleeved with first bevel gear 502, and the outer wall of first bevel gear 502 is meshingly connected with second bevel gear 503, the outer wall of L-shaped plate 4 is rotatably connected with hand lever 504 through bearing, and one end of hand lever 504 is fixedly connected with one end of second bevel gear 503, the outer wall of transmission screw rod 501 is sleeved with moving sleeve plate 505, and the bottom of moving sleeve plate 505 is fixedly connected with a pair of support rods 506, the top of moving sleeve plate 505 is drilled with threaded through hole, and moving sleeve plate 505 is sleeved on the outer wall of transmission screw rod 501 through threaded through hole and is threadedly connected with it.

[0026] According to the overall structure of the device, undercarriage 1 is moved by the auxiliary of universal wheel 11 under the artificial pulling, drives escalator body 2 and extension pedal 3 to be opposite to the plane, then operates hand lever 504 to drive first bevel gear 502 to rotate, makes it drive transmission screw rod 501 to rotate through second bevel gear 503, promotes moving sleeve plate 505 to move downward under the rotation of transmission screw rod 501, drives a pair of support rods 506 close to the central region to move downward along the two sides of undercarriage 1, until being contacted with the ground, carries out grounding support and fixed, makes undercarriage 1 keep stable, so as to facilitate personnel to carry out boarding or disembarking activities smoothly.

[0027] As Figure 3 And Figure 4 As shown, one end of moving sleeve plate 505 close to L-shaped plate 4 is fixedly connected with link rod 507, and one end of link rod 507 is fixedly connected with sliding block 508, the inner wall of L-shaped plate 4 is drilled with sliding groove 509, and sliding block 508 is located in sliding groove 509 and is slidably connected with it.

[0028] Through moving sleeve plate 505 drive link rod 507 synchronous movement, make link rod 507 drive sliding block 508 along sliding groove 509 and slide up and down, so as to assist the movement of moving sleeve plate 505 and link rod 507, make it keep linear motion, not easy to occur position deviation.

[0029] As Figure 1As shown, the two sides of the chassis 1 are fixedly connected with threaded pipes 6, and the inside of the threaded pipes 6 is threadedly connected with extrusion screws 7, the bottom end of the extrusion screws 7 penetrates through the bottom opening of the threaded pipes 6, and is rotatably connected with grounding pressure plates 8 through bearings, and the bottom end of the support rods 506 and the grounding pressure plates 8 in the lowered state are flush with the bottom end of the universal wheels 11.

[0030] After the chassis 1 drives the escalator body 2 and the extension deck 3 to be connected with the airplane, the two pairs of extrusion screws 7 are rotated in sequence, so as to drive the grounding pressure plates 8 to move downward along the threaded pipes 6 until they are in contact with the ground, that is, flush with the bottom end of the universal wheels 11, and the support rods 506 are in contact with the ground, and their bottom ends are also flush with the bottom end of the universal wheels 11, so that the universal wheels 11 can be kept fixed under the grounding support of the support rods 506 and the grounding pressure plates 8, and are not easy to move, thereby keeping the chassis 1 fixed.

[0031] As shown in Figure 1 and Figure 2 , the end of the extension deck 3 away from the escalator body 2 is fixedly connected with a rubber block 9, and the rubber block 9 is tubular.

[0032] Through the setting of the rubber block 9, the extension deck 3 drives the rubber block 9 to be in contact with the fuselage during the process of being connected with the airplane, and the elastic deformation of the tubular rubber block 9 is used to slow down the impact force generated when being in contact with the airplane fuselage, so as to protect the coating on the surface of the airplane from being scratched and worn.

[0033] As shown in Figure 1 and Figure 2 , a pair of handles 10 are fixedly connected to the outside of the chassis 1, and the pair of handles 10 are located at the bottom of the extension deck 3.

[0034] Through the setting of the handles 10, the staff holds the handles 10 to pull the chassis 1 to move under the assistance of the universal wheels 11, so as to drive the escalator body 2 and the extension deck 3 to be connected with the airplane fuselage.

[0035] As shown in Figure 1 and Figure 2 , a plurality of evenly distributed illuminating lamps 12 are fixedly connected to the upper surface of the escalator body 2.

[0036] Through the setting of the illuminating lamps 12, when the lighting is insufficient at small airports in remote areas, the remote-controlled illuminating lamps 12 can be turned on to brighten the light, so as to facilitate the safe boarding and disembarking activities of personnel on the escalator body 2 and the extension deck 3, and the illuminating lamps 12 are remote-controlled illuminating lamps 12 with built-in rechargeable batteries, which can be temporarily and conveniently illuminated in a remote-controlled manner.

[0037] Working principle: the airport staff holds the pull handle 10 to pull the chassis 1 to move under the assistance of the universal wheel 11, drives the escalator body 2 and the extension pedal 3 to be close to the airplane, after the escalator body 2 and the extension pedal 3 are contacted and docked with the airplane body, stop moving, then, rotate two pairs of extrusion screw rods 7 in turn, make it move downward along the threaded tube 6, drive the ground contact plate 8 to move downward, until it is contacted with the ground, that is, is flush with the bottom end of the universal wheel 11, carries out auxiliary support and fixation, immediately, the hand lever 504 is operated to drive the first bevel gear 502 to rotate, the first bevel gear 502 drives the second bevel gear 503 to rotate, makes it drive the transmission threaded rod 501 to rotate, promotes the moving sleeve plate 505 to move downward under the rotation of the transmission threaded rod 501, drives a pair of support rods 506 close to the central region to move downward along the both sides of the chassis 1, until it is contacted with the ground, also flush with the bottom end of the universal wheel 11, that is, on the basis of the ground contact plate 8 of two pairs of ground contact plate 8 along the chassis 1 four around ground support and fixation, again carries out ground support and fixation, promotes the chassis 1 to keep stable under the support and fixation of multiple directions, then, opens the airplane cabin door, personnel along the escalator body 2 and the extension pedal 3 carries out boarding or disembarking activity.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. Escalator chassis structure with string ladder, comprising a chassis (1), characterized in that: The top end of the chassis (1) is fixedly connected with the escalator body (2) and the extension pedal (3), and the opposite sides of the escalator body (2) and the extension pedal (3) are connected with each other, the bottom end of the chassis (1) is fixedly connected with two pairs of universal wheels (11), the inner bottom end of the chassis (1) is fixedly connected with an L-shaped plate (4), and an auxiliary supporting mechanism (5) is arranged on the L-shaped plate (4), and the auxiliary supporting mechanism (5) is used for supporting and fixing the chassis (1).

2. A structure of an escalator chassis with a string ladder according to claim 1, characterized in that: The auxiliary supporting mechanism (5) comprises a transmission threaded rod (501), the top end of the transmission threaded rod (501) is rotatably connected with the inner top end of the L-shaped plate (4) through a bearing, and the bottom end of the transmission threaded rod (501) is rotatably connected with the inner bottom end of the chassis (1) through a bearing.

3. A structure of an escalator chassis with a string ladder according to claim 2, characterized in that: The outer wall of the transmission threaded rod (501) is sleeved with a first bevel gear (502), the outer wall of the first bevel gear (502) is meshedly connected with a second bevel gear (503), the outer wall of the L-shaped plate (4) is rotatably connected with a hand lever (504) through a bearing, one end of the hand lever (504) is fixedly connected with one end of the second bevel gear (503), the outer wall of the transmission threaded rod (501) is sleeved with a moving sleeve plate (505), and the bottom end of the moving sleeve plate (505) is fixedly connected with a pair of supporting rods (506).

4. A structure of an escalator chassis with a string ladder according to claim 3, characterized in that: The top end of the moving sleeve plate (505) is drilled with a threaded through hole, the moving sleeve plate (505) is sleeved on the outer wall of the transmission threaded rod (501) through the threaded through hole and is threadedly connected with the transmission threaded rod (501).

5. A structure of an escalator chassis with a string ladder according to claim 3, characterized in that: One end of the moving sleeve plate (505) close to the L-shaped plate (4) is fixedly connected with a connecting rod (507), one end of the connecting rod (507) is fixedly connected with a sliding block (508), the inner wall of the L-shaped plate (4) is drilled with a sliding groove (509), and the sliding block (508) is located in the sliding groove (509) and is slidably connected with the sliding groove (509).

6. A structure of an escalator chassis with a string ladder according to claim 3, characterized in that: The two sides of the chassis (1) are fixedly connected with threaded pipes (6), the interiors of the threaded pipes (6) are threadedly connected with extrusion screws (7), the bottom end of the extrusion screw (7) penetrates through the bottom through hole of the threaded pipe (6) and is rotatably connected with a grounding pressure plate (8) through a bearing.

7. A structure of an escalator chassis with a string ladder according to claim 6, characterized in that: The bottom ends of the supporting rods (506) and the grounding pressure plate (8) in the descending state are flush with the bottom ends of the universal wheels (11).

8. The escalator chassis structure with string ladder according to claim 3, characterized in that: One end of the extension pedal (3) away from the escalator body (2) is fixedly connected with a rubber block (9), and the rubber block (9) is tubular.

9. The escalator chassis structure with string ladder according to claim 3, characterized in that: The outer side of the chassis (1) is fixedly connected with a pair of handles (10), and the pair of handles (10) are located at the bottom of the extension pedal (3).

10. The escalator chassis structure with string ladder according to claim 3, characterized in that: The upper surface of the escalator body (2) is fixedly connected with a plurality of evenly distributed illuminating lamps (12). The upper surface of the escalator body (2) is fixedly connected with a plurality of evenly distributed illuminating lamps (12).

Images