CN212553760U - Engine and propeller system working platform - Google Patents

Engine and propeller system working platform Download PDF

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Publication number
CN212553760U
CN212553760U CN202021686042.2U CN202021686042U CN212553760U CN 212553760 U CN212553760 U CN 212553760U CN 202021686042 U CN202021686042 U CN 202021686042U CN 212553760 U CN212553760 U CN 212553760U
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China
Prior art keywords
platform
supporting
fixed
lifting
frame
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CN202021686042.2U
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Chinese (zh)
Inventor
孙宁
唐万寿
林彦川
黄宇
郑玉龙
冯旭
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Lingyun Science & Technology Group Co ltd
Lingyun Yichang Aviation Equipment Engineering Co Ltd
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Lingyun Science & Technology Group Co ltd
Lingyun Yichang Aviation Equipment Engineering Co Ltd
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Priority to CN202021686042.2U priority Critical patent/CN212553760U/en
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Abstract

The utility model provides an engine and screw system work platform, the top of bottom supporting platform is fixed with first inner supporting frame and second inner supporting frame, the outside of first inner supporting frame is through first guide pulley structure sliding sleeve equipped with first outer crane, the outside of second inner supporting frame is through second guide pulley structure sliding sleeve equipped with second outer crane, the top of first outer crane is fixed with first top platform, the top of second outer crane is fixed with second top platform, fixed linking between first top platform and the second top platform; an upper crawling ladder is fixed on the side surface of the first top platform, and a follow-up crawling ladder is installed between the upper crawling ladder and the bottom supporting platform in a matched mode through a sliding structure; and a lifting mechanism is arranged between the second inner support frame and the second outer lifting frame, and an outward extending workbench is installed at the top of the second top platform in a sliding fit manner.

Description

Engine and propeller system working platform
Technical Field
The utility model relates to an aircraft access ladder field especially relates to engine and screw system work platform.
Background
In the process of aircraft maintenance and repair, a working platform is needed to be used for correspondingly maintaining and using an aircraft engine and a propeller system which are positioned at higher positions, and the existing common mode is to set up a scaffold or a common movable maintenance platform to realize the maintenance of the positions.
Because aircraft engine and screw system highly have the difference, overhauls the position moreover and has the difference, the maintenance platform of traditional fixed height formula can not fine adaptation height, and the maintenance demand of width change need adjust at any time and overhaul the height and the position of platform and just can realize foretell maintenance operation process, adopts the structure maintenance operation of above-mentioned fixed platform formula moreover, and intensity of labour is high, and the work load is big, uses the dumb sum.
SUMMERY OF THE UTILITY MODEL
For solving above technical problem, the utility model provides an engine and screw system work platform, this work platform adopt the mobile integral type structure, and then conveniently remove the position that needs ascend a height, the regulation of carrying on height that moreover can be convenient to adapt to the not maintenance demand of co-altitude.
In order to realize the technical characteristics, the purpose of the utility model is realized as follows: the engine and propeller system working platform comprises a bottom supporting platform, wherein a first inner supporting frame and a second inner supporting frame are fixed at the top of the bottom supporting platform, a first outer lifting frame is sleeved outside the first inner supporting frame in a sliding mode through a first guide wheel structure, a second outer lifting frame is sleeved outside the second inner supporting frame in a sliding mode through a second guide wheel structure, a first top platform is fixed at the top of the first outer lifting frame, a second top platform is fixed at the top of the second outer lifting frame, and the first top platform is fixedly connected with the second top platform; an upper crawling ladder is fixed on the side surface of the first top platform, and a follow-up crawling ladder is installed between the upper crawling ladder and the bottom supporting platform in a matched mode through a sliding structure; and a lifting mechanism is arranged between the second inner support frame and the second outer lifting frame, and an outward extending workbench is installed at the top of the second top platform in a sliding fit manner.
And four corners of the bottom supporting platform are fixedly provided with supporting trundles, and lifting supporting rods are arranged at the positions of the supporting trundles.
The first guide wheel structure comprises a plurality of first guide wheels fixed on the outer side wall of the first inner support frame, and the first guide wheels and a first guide rod fixed inside the first outer lifting frame form sliding fit.
The second guide wheel structure comprises a plurality of second guide wheels fixed on the outer side wall of the second inner support frame, and the second guide wheels and a second guide rod fixed inside the second outer lifting frame form sliding fit.
The overhanging workbench is arranged on the top sliding rail in a sliding fit mode through a plurality of connecting sliding blocks, and the top sliding rail is fixed to the top of the second top platform.
The sliding structure comprises an inclined guide rail fixed on the upper crawling ladder, the lower portion of the follow-up crawling ladder is in sliding fit with the inclined guide rail through a supporting sliding block, the bottom end of the follow-up crawling ladder is in sliding fit with a pulley groove fixed on the bottom supporting platform through a pulley, and the follow-up crawling ladder is driven to extend outwards along the pulley groove under the driving of the upper crawling ladder.
The lifting mechanism comprises a screw rod lifter, the screw rod lifter is fixedly mounted at the top of the second inner supporting frame through a fixed seat, the screw rod lifter is connected with a motor for driving the screw rod lifter to lift, and the top of a lifting screw rod of the screw rod lifter is fixedly connected with the bottom end of the second top platform through a top plate; the motor adopts an electric and manual dual-purpose mode, and a hand wheel for manual operation is arranged on the motor.
An electric cabinet is fixedly mounted on the bottom supporting platform through a supporting upright post, and an auxiliary crawling ladder is arranged on the side face of the electric cabinet.
Ladder stand guardrails are respectively fixed on the peripheries of the upper ladder stand and the follow-up ladder stand, and platform guardrails are arranged on the peripheries of the first top platform, the second top platform and the outward extending workbench;
the control system comprises a PLC controller, wherein the PLC controller is connected with a proximity alarm switch, a lifting limit switch, a lowering limit switch, an operation button, a motor forward and reverse rotation driver, an audible and visual alarm, a light illumination and control panel;
the approach alarm switch is used for detecting the distance between the platform and the airplane, the distance measurement mode is surface distance measurement, the platform approaches the airplane within 50cm, the audible and visual alarm is triggered to start alarming, and an operator is prompted to pay attention to safety and slowly move.
The utility model discloses there is following beneficial effect:
1. this work platform adopts the integral moving formula structure, and then conveniently moves the position that needs ascend a height, the regulation of carrying on the height that moreover can be convenient to adapt to the not maintenance demand of co-altitude.
2. The whole moving and walking of the whole working platform can be conveniently realized through the supporting caster, so that the use requirements of different positions are met, and the use flexibility and the use property of the working platform are improved.
3. The first outer lifting frame can be stably lifted through the first guide wheel structure. The second outer lifting frame can be stably lifted through the second guide wheel structure.
4. Through foretell sliding fit mode, guaranteed that overhanging workstation can be stable stretch out, and then expand work platform's width, strengthen its adaptability.
5. Through foretell sliding construction guaranteed that the upper portion cat ladder is after the rising, the parallel one section distance that outwards slides of drive follow-up cat ladder that can be synchronous has guaranteed the butt joint of two cat ladders, has guaranteed normal ascending stair process.
6. The lifting mechanism can be used for providing power for lifting the platform.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a first perspective three-dimensional view of the present invention.
Fig. 2 is a second perspective three-dimensional view of the present invention.
Fig. 3 is a three-dimensional structure diagram of the working platform after the working platform is lifted.
Fig. 4 is a three-dimensional structure diagram of the working platform after the working platform is lifted and drives the overhanging working platform to stretch out.
Fig. 5 is a front view of the working platform of the present invention after it is lifted and drives the overhanging working platform to stretch out.
Fig. 6 is a schematic diagram of the control system of the present invention.
In the figure: the device comprises a supporting caster 1, a lifting supporting rod 2, a pulley groove 3, a movable ladder stand 4, an upper ladder stand 5, an inclined guide rail 6, a supporting slide block 7, a first outer lifting frame 8, a first inner supporting frame 9, a first guide rod 10, a first guide wheel 11, a ladder stand guardrail 12, a first top platform 13, a platform guardrail 14, a connecting slide block 15, a top slide rail 16, a second top platform 17, a second inner supporting frame 18, a second outer lifting frame 19, an electric cabinet 20, a second guide rod 21, a second guide wheel 22, an auxiliary ladder stand 23, a pulley 24, a bottom supporting platform 25, an outer extending workbench 26, a motor 27, a fixed seat 28, a hand wheel 29, a screw rod lifter 30 and a top plate 31.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
Example 1:
referring to fig. 1-6, the working platform of the engine and propeller system comprises a bottom supporting platform 25, wherein a first inner supporting frame 9 and a second inner supporting frame 18 are fixed on the top of the bottom supporting platform 25, a first outer lifting frame 8 is slidably sleeved outside the first inner supporting frame 9 through a first guide wheel structure, a second outer lifting frame 19 is slidably sleeved outside the second inner supporting frame 18 through a second guide wheel structure, a first top platform 13 is fixed on the top of the first outer lifting frame 8, a second top platform 17 is fixed on the top of the second outer lifting frame 19, and the first top platform 13 is fixedly connected with the second top platform 17; an upper crawling ladder 5 is fixed on the side surface of the first top platform 13, and a follow-up crawling ladder 4 is arranged between the upper crawling ladder 5 and the bottom supporting platform 25 in a matched mode through a sliding structure; a lifting mechanism is arranged between the second inner support frame 18 and the second outer lifting frame 19, and an outward extending workbench 26 is installed at the top of the second top platform 17 in a sliding fit mode. This work platform adopts the integral moving formula structure, and then conveniently moves the position that needs ascend a height, the regulation of carrying on the height that moreover can be convenient to adapt to the not maintenance demand of co-altitude.
Furthermore, four corners of the bottom supporting platform 25 are fixed with supporting casters 1, and lifting support rods 2 are disposed at positions of the supporting casters 1. The whole working platform can be conveniently moved and walked through the supporting caster wheels 1, so that the working platform meets the requirements of different positions for use, and the use flexibility and the use performance of the working platform are improved.
Further, the first guide wheel structure comprises a plurality of first guide wheels 11 fixed on the outer side wall of the first inner support frame 9, and the first guide wheels 11 and a first guide rod 10 fixed inside the first outer crane 8 form a sliding fit. The first outer lifting frame 8 can be stably lifted and lowered through the first guide wheel structure.
Further, the second guide wheel structure comprises a plurality of second guide wheels 22 fixed on the outer side wall of the second inner support frame 18, and the second guide wheels 22 are in sliding fit with a second guide rod 21 fixed inside the second outer lifting frame 19. The second outer lifting frame 19 can be stably lifted and descended through the second guide wheel structure.
Further, the overhanging workbench 26 is installed on the top slide rail 16 through a plurality of connecting sliders 15 in a sliding fit manner, and the top slide rail 16 is fixed on the top of the second top platform 17. Through the sliding fit mode, the outward extending workbench 26 can be stably extended, the width of the operation platform is further expanded, and the adaptability of the operation platform is enhanced.
Further, the output power of the overhanging table 26 adopts a manual screw driving structure.
Further, the sliding structure comprises an inclined guide rail 6 fixed on the upper crawling ladder 5, the lower part of the follow-up crawling ladder 4 is in sliding fit with the inclined guide rail 6 through a support sliding block 7, the bottom end of the follow-up crawling ladder 4 is in sliding fit with a pulley groove 3 fixed on a bottom support platform 25 through a pulley 24, and the follow-up crawling ladder 4 is driven by the upper crawling ladder 5 to extend outwards along the pulley groove 3. Through foretell sliding construction guaranteed that upper portion cat ladder 5 is after the rising, one section distance that outwards slides of the parallel of drive follow-up cat ladder 4 that can be synchronous, guaranteed the butt joint of two cat ladders, guaranteed normal ascending stair process.
Further, the lifting mechanism comprises a screw rod lifter 30, the screw rod lifter 30 is fixedly mounted at the top of the second inner support frame 18 through a fixed seat 28, the screw rod lifter 30 is connected with a motor 27 for driving the screw rod lifter to lift, and the top of a lifting screw rod of the screw rod lifter 30 is fixedly connected with the bottom end of the second top platform 17 through a top plate 31; the motor 27 adopts an electric and manual dual-purpose mode, and a hand wheel 29 for manual operation is arranged on the motor 27. The lifting mechanism can be used for providing power for lifting the platform. In the working process, the screw rod lifter starts to operate by starting the motor 27 to drive the second top platform 17 to move up and down, and the lifting guide rails and the lifting pulleys are arranged around the second top platform 17 to ensure that the platform can be stably lifted; the lifting and descending actions of the upper platform can be realized by controlling the positive and negative rotation of the motor. And a travel limit switch is arranged at the up-down lifting limit of the platform.
Furthermore, a manual operation interface is reserved in the selected screw rod lifter, and emergency manual lifting of the platform can be completed through an external detachable hand wheel.
Further, an electric cabinet 20 is fixedly mounted on the bottom supporting platform 25 through a supporting upright post, and an auxiliary ladder stand 23 is arranged on the side surface of the electric cabinet 20. The electric cabinet 20 can be used for controlling the normal operation of the whole working platform.
Furthermore, ladder stand guardrails 12 are respectively fixed on the peripheries of the upper ladder stand 5 and the follow-up ladder stand 4, and platform guardrails 14 are respectively arranged on the peripheries of the first top platform 13, the second top platform 17 and the overhanging workbench 26; the control system comprises a PLC controller, wherein the PLC controller is connected with a proximity alarm switch, a lifting limit switch, a lowering limit switch, an operating button, a motor forward and reverse rotation driver, an audible and visual alarm, and a lamplight illumination and control panel; the approach alarm switch is used for detecting the distance between the platform and the airplane, the distance measurement mode is surface distance measurement, the platform approaches the airplane within 50cm, the audible and visual alarm is triggered to start alarming, and an operator is prompted to pay attention to safety and slowly move.
Example 2:
the use method of the working platform of the engine and the propeller system comprises the following steps:
the method comprises the following steps: the whole working platform is pushed to move to the positions of an aircraft engine and a propeller to be overhauled by the support of the supporting caster wheels 1;
step two: after the position of the working platform is preliminarily adjusted, the lifting support rod 2 extends out, so that the whole working platform is fixed and supported to ensure the stability of the working platform;
step three: according to the height of the engine, when the height of the platform needs to be adjusted, a motor 27 of the lifting mechanism is controlled, a screw rod lifter 30 is driven through the motor 27, and then a second outer lifting frame 19 and a first outer lifting frame 8 are driven through the screw rod lifter 30 to ascend along a corresponding guide wheel structure along a second inner support frame 18 and a first inner support frame 9, so that the first top platform 13 and the second top platform 17 ascend to reach an operation plane;
step four: in the rising process of the first outer lifting frame 8, the upper crawling ladder 5 is driven to rise synchronously, at the moment, the follow-up crawling ladder 4 slides along the pulley groove 3 and the inclined guide rail 6, so that the follow-up crawling ladder and the upper crawling ladder 5 are always parallel and connected, and the bottom end of the follow-up crawling ladder 4 slides outwards;
step five: according to the width position of the maintenance, when the width of the platform needs to be adjusted, the overhanging workbench 26 only needs to be driven to stretch out along the top sliding rail 16, and the width adjustment can be realized.

Claims (9)

1. Engine and screw system work platform, its characterized in that: the lifting device comprises a bottom supporting platform (25), wherein a first inner supporting frame (9) and a second inner supporting frame (18) are fixed to the top of the bottom supporting platform (25), a first outer lifting frame (8) is sleeved outside the first inner supporting frame (9) in a sliding mode through a first guide wheel structure, a second outer lifting frame (19) is sleeved outside the second inner supporting frame (18) in a sliding mode through a second guide wheel structure, a first top platform (13) is fixed to the top of the first outer lifting frame (8), a second top platform (17) is fixed to the top of the second outer lifting frame (19), and the first top platform (13) is fixedly connected with the second top platform (17); an upper crawling ladder (5) is fixed on the side surface of the first top platform (13), and a follow-up crawling ladder (4) is installed between the upper crawling ladder (5) and the bottom supporting platform (25) in a matched mode through a sliding structure; a lifting mechanism is arranged between the second inner support frame (18) and the second outer lifting frame (19), and an outward extending workbench (26) is installed at the top of the second top platform (17) in a sliding fit mode.
2. The engine and propeller system work platform of claim 1, wherein: supporting casters (1) are fixed at four corners of the bottom supporting platform (25), and lifting supporting rods (2) are arranged at the positions of the supporting casters (1).
3. The engine and propeller system work platform of claim 1, wherein: the first guide wheel structure comprises a plurality of first guide wheels (11) fixed on the outer side wall of the first inner support frame (9), and the first guide wheels (11) are in sliding fit with a first guide rod (10) fixed inside the first outer lifting frame (8).
4. The engine and propeller system work platform of claim 1, wherein: the second guide wheel structure comprises a plurality of second guide wheels (22) fixed on the outer side wall of the second inner support frame (18), and the second guide wheels (22) are in sliding fit with a second guide rod (21) fixed inside the second outer lifting frame (19).
5. The engine and propeller system work platform of claim 1, wherein: the overhanging workbench (26) is arranged on the top sliding rail (16) in a sliding fit mode through a plurality of connecting sliding blocks (15), and the top sliding rail (16) is fixed to the top of the second top platform (17).
6. The engine and propeller system work platform of claim 1, wherein: the sliding structure comprises an inclined guide rail (6) fixed on an upper crawling ladder (5), the lower portion of the follow-up crawling ladder (4) is in sliding fit with the inclined guide rail (6) through a supporting sliding block (7), the bottom end of the follow-up crawling ladder (4) is in sliding fit with a pulley groove (3) fixed on a bottom supporting platform (25) through a pulley (24), and the follow-up crawling ladder (4) is driven to extend outwards along the pulley groove (3) under the driving of the upper crawling ladder (5).
7. The engine and propeller system work platform of claim 1, wherein: the lifting mechanism comprises a screw rod lifter (30), the screw rod lifter (30) is fixedly mounted at the top of the second inner supporting frame (18) through a fixed seat (28), the screw rod lifter (30) is connected with a motor (27) for driving the screw rod lifter to lift, and the top of a lifting screw rod of the screw rod lifter (30) is fixedly connected with the bottom end of the second top platform (17) through a top plate (31); the motor (27) adopts an electric and manual dual-purpose mode, and a hand wheel (29) for manual operation is arranged on the motor (27).
8. The engine and propeller system work platform of claim 1, wherein: an electric cabinet (20) is fixedly mounted on the bottom supporting platform (25) through a supporting upright post, and an auxiliary ladder stand (23) is arranged on the side face of the electric cabinet (20).
9. The engine and propeller system work platform of claim 1, wherein: ladder climbing guardrails (12) are respectively fixed on the peripheries of the upper ladder (5) and the follow-up ladder (4), and platform guardrails (14) are arranged on the peripheries of the first top platform (13), the second top platform (17) and the outward extending workbench (26);
the control system comprises a PLC controller, wherein the PLC controller is connected with a proximity alarm switch, a lifting limit switch, a lowering limit switch, an operation button, a motor forward and reverse rotation driver, an audible and visual alarm, a light illumination and control panel;
the approach alarm switch is used for detecting the distance between the platform and the airplane, the distance measurement mode is surface distance measurement, the platform approaches the airplane within 50cm, the audible and visual alarm is triggered to start alarming, and an operator is prompted to pay attention to safety and slowly move.
CN202021686042.2U 2020-08-13 2020-08-13 Engine and propeller system working platform Active CN212553760U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021686042.2U CN212553760U (en) 2020-08-13 2020-08-13 Engine and propeller system working platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021686042.2U CN212553760U (en) 2020-08-13 2020-08-13 Engine and propeller system working platform

Publications (1)

Publication Number Publication Date
CN212553760U true CN212553760U (en) 2021-02-19

Family

ID=74626805

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021686042.2U Active CN212553760U (en) 2020-08-13 2020-08-13 Engine and propeller system working platform

Country Status (1)

Country Link
CN (1) CN212553760U (en)

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