CN215854851U - Cargo hoisting mechanism for aircraft maintenance platform - Google Patents
Cargo hoisting mechanism for aircraft maintenance platform Download PDFInfo
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- CN215854851U CN215854851U CN202120316463.4U CN202120316463U CN215854851U CN 215854851 U CN215854851 U CN 215854851U CN 202120316463 U CN202120316463 U CN 202120316463U CN 215854851 U CN215854851 U CN 215854851U
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- winch
- guide rail
- sliding
- wire rope
- steel wire
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Abstract
The utility model provides a cargo hoisting mechanism for an aircraft maintenance platform, which comprises two guide rail stand columns which are arranged in parallel, wherein the guide rail stand columns are fixedly connected through a plurality of reinforcing cross beams; the inner side wall of the guide rail upright post is provided with a sliding chute, a sliding frame is arranged on the sliding chute in a sliding fit manner, a box body frame is fixedly arranged on the sliding frame through a connecting seat, and a lifting box is fixed on the box body frame; the lifting box is connected with a steel wire rope, the steel wire rope bypasses the guide pulley assembly to be connected with a winch for lifting, and the winch is connected with a power device for driving the winch to rotate. This goods hoist mechanism can be used for the promotion of the aircraft maintenance platform on the goods, and then supplementary whole maintenance process of accomplishing, has improved maintenance efficiency, has guaranteed the security of maintenance operation.
Description
Technical Field
The utility model belongs to the field of aircraft maintenance equipment, and particularly relates to a cargo hoisting mechanism for an aircraft maintenance platform.
Background
At the maintenance in-process of large aircraft, need set up the maintenance platform, because the height of platform is higher, and at the maintenance in-process, need promote spare part or maintenance instrument, at the promotion in-process, if adopt the cat ladder to carry out the above-mentioned article and carry, its work efficiency is low, has certain potential safety hazard moreover, especially to some great articles of weight, can't realize its promotion through the mode of artifical transport, consequently, need adopt with the help of corresponding heavy object hoisting device and can realize.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a cargo hoisting mechanism for an aircraft maintenance platform, which can be used for lifting cargoes on the aircraft maintenance platform, so that the whole maintenance process is assisted to be completed, the maintenance efficiency is improved, and the safety of maintenance operation is ensured.
In order to achieve the technical features, the utility model is realized as follows: a cargo hoisting mechanism for an aircraft maintenance platform comprises two guide rail upright columns which are arranged in parallel, wherein the guide rail upright columns are fixedly connected through a plurality of reinforcing cross beams; the inner side wall of the guide rail upright post is provided with a sliding chute, a sliding frame is arranged on the sliding chute in a sliding fit manner, a box body frame is fixedly arranged on the sliding frame through a connecting seat, and a lifting box is fixed on the box body frame; the lifting box is connected with a steel wire rope, the steel wire rope bypasses the guide pulley assembly to be connected with a winch for lifting, and the winch is connected with a power device for driving the winch to rotate.
During installation, the guide rail upright post is fixedly connected with a frame of the maintenance platform and is vertically arranged along the height direction of the maintenance platform.
The tail ends of the two horizontal rods of the sliding frame are provided with rollers, and the rollers and the sliding grooves form sliding fit.
The guide pulley assembly comprises a top pulley fixed on the reinforcing beam at the top end and a bottom steering pulley fixed on the reinforcing beam at the bottom end; the wire rope is wound on the winch after sequentially passing around the top pulley and the bottom diverting pulley.
The power device comprises a power rack, a motor is fixedly mounted on the power rack, an output shaft of the motor is connected with a speed reducer, an output shaft of the speed reducer is connected with a main shaft of the winch and drives the winch to rotate, and a limiting rod used for arranging the steel wire rope is mounted on the winch in a matched mode.
The speed reducer adopts an electric and manual dual-purpose structure, a vertical shaft is connected to the manual input end of the speed reducer, the top of the vertical shaft is connected with a manual input shaft through a reversing transmission case, and a hand wheel is mounted on the manual input shaft.
A bottom limiting block is installed at the bottom end of the sliding groove, and a top limiting block is installed at the top end of the sliding groove.
The sliding frame is matched with a backstop mechanism for locking the position of the sliding frame, the backstop mechanism comprises a pin shaft seat fixed on the sliding frame, a spring pin is arranged on the pin shaft seat, and the spring pin is matched with a limit tooth on the rack; the rack is fixedly arranged between the reinforcing cross beams and is arranged in parallel with the guide rail upright post.
The utility model has the following beneficial effects:
1. this goods hoist mechanism can be used for the promotion of the aircraft maintenance platform on the goods, and then supplementary whole maintenance process of accomplishing, has improved maintenance efficiency, has guaranteed the security of maintenance operation.
2. The smooth sliding of the sliding frame in the sliding groove is ensured through the roller, and further the friction force is reduced.
3. The reversing of the steel wire rope can be realized through the guide pulley assembly, and then the sliding frame is lifted through the steel wire rope.
4. The power device can provide lifting power.
5. The bottom limiting block and the top limiting block can be used for limiting the travel of the sliding frame.
6. The safety of the weight lifting device is improved through the retaining mechanism.
Drawings
The utility model is further illustrated by the following figures and examples.
FIG. 1 is a three-dimensional view of the present invention.
In the figure: the device comprises a guide rail upright post 1, a reinforcing cross beam 2, a bottom limiting block 3, a bottom steering pulley 4, a limiting rod 5, a power frame 6, a winch 7, a speed reducer 8, a motor 9, a vertical shaft 10, a reversing transmission case 11, a manual input shaft 12, a hand wheel 13, a rack 14, a steel wire rope 15, a connecting seat 16, a sliding frame 17, a lifting case 18, a pin shaft seat 19, a spring pin 20, a top pulley 21, a sliding groove 22, a top limiting block 23, a roller 24 and a box body frame 25.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, a cargo hoisting mechanism for an aircraft maintenance platform comprises two guide rail uprights 1 arranged in parallel, wherein the guide rail uprights 1 are fixedly connected through a plurality of reinforcing cross beams 2; a sliding groove 22 is formed in the inner side wall of the guide rail upright post 1, a sliding frame 17 is installed on the sliding groove 22 in a sliding fit mode, a box body frame 25 is fixedly installed on the sliding frame 17 through a connecting seat 16, and a lifting box 18 is fixed on the box body frame 25; the lifting box 18 is connected with a steel wire rope 15, the steel wire rope 15 is connected with a winch 7 for lifting by bypassing a guide pulley assembly, and the winch 7 is connected with a power device for driving the winch 7 to rotate. This goods hoist mechanism can be used for the promotion of the aircraft maintenance platform on the goods, and then supplementary whole maintenance process of accomplishing, has improved maintenance efficiency, has guaranteed the security of maintenance operation. In the use process, the power device drives the winch 7, the winch 7 drives the steel wire rope, and the steel wire rope drives the lifting box 18 to lift along the sliding groove.
Further, during installation, the guide rail upright posts 1 are fixedly connected with a frame of the maintenance platform and are vertically arranged along the height direction of the maintenance platform. Through the arrangement mode, the lifting and the lifting of the heavy object on the platform can be realized.
Further, the ends of the two horizontal rods of the carriage 17 are provided with rollers 24, and the rollers 24 and the sliding groove 22 form a sliding fit. The smooth sliding of the carriage inside the chute is ensured by the above-mentioned rollers 24, and the friction is reduced.
Further, the guide pulley assembly comprises a top pulley 21 fixed on the top reinforcing beam 2 and a bottom diverting pulley 4 fixed on the bottom reinforcing beam 2; the wire rope 15 is passed around the top pulley 21 and the bottom diverting pulley 4 in turn and then wound on the winch 7. The direction of the wire rope 15 can be changed by the guide pulley assembly, and the carriage 17 is lifted by the wire rope 15.
Further, power device includes power frame 6, fixed mounting has motor 9 on the power frame 6, the output shaft of motor 9 links to each other with reduction gear 8, and reduction gear 8's output shaft links to each other with the main shaft of capstan winch 7 to drive its rotation, the cooperation is installed on the capstan winch 7 and is used for carrying out the gag lever post 5 of arranging the rope to wire rope 15. The power device can provide lifting power. In the working process, the motor 9 drives the speed reducer 8, the speed reducer 8 drives the winch 7, and the winch 7 drives the steel wire rope.
Furthermore, the speed reducer 8 adopts an electric and manual dual-purpose structure, a vertical shaft 10 is connected to a manual input end of the speed reducer 8, the top of the vertical shaft 10 is connected with a manual input shaft 12 through a reversing transmission case 11, and a hand wheel 13 is installed on the manual input shaft 12. Through the dual-purpose power, the manual driving can be ensured when the power is off. In the working process, the hand wheel 13 drives the manual input shaft 12, the manual input shaft 12 drives the reversing transmission case 11, the reversing transmission case 11 drives the vertical shaft 10, and the vertical shaft 10 drives the speed reducer 8.
Further, bottom stopper 3 is installed to the bottom of spout 22, and top stopper 23 is installed on the top of spout 22. The bottom stopper 3 and the top stopper 23 can be used to limit the stroke of the carriage 17.
Further, the sliding frame 17 is matched with a retaining mechanism for locking the position of the sliding frame, the retaining mechanism comprises a pin shaft seat 19 fixed on the sliding frame 17, a spring pin 20 is installed on the pin shaft seat 19, and the spring pin 20 is matched with a limit tooth on the rack 14; the rack 14 is fixedly arranged between the reinforcing cross beams 2 and is arranged in parallel with the guide rail upright posts 1. The safety of the weight lifting device is improved through the retaining mechanism, when the weight is lifted, the spring pin rises together with the sliding frame 17 and is clamped into the rack, and the transport case is prevented from falling due to sudden loosening or disconnection of the steel wire rope. When the spring pin moves downwards, the spring pin is adjusted to be in the withdrawing state, and then the spring pin can be unlocked to move downwards.
The working process and principle of the utility model are as follows:
through foretell hoisting mechanism, in the concrete use, when needing the heavy object to promote, place the heavy object inside lifting box 18, starter motor 9 drives reduction gear 8 through motor 9, through reduction gear 8 drive capstan winch 7, drives wire rope through capstan winch 7, drives the balladeur train 17 through wire rope and slides along spout 22, and then drives lifting box 18 and go up and down, finally promotes the heavy object to the platform of corresponding height.
Claims (8)
1. The utility model provides an aircraft is goods hoist mechanism for maintenance platform which characterized in that: the guide rail device comprises two guide rail upright posts (1) which are arranged in parallel, wherein the guide rail upright posts (1) are fixedly connected through a plurality of reinforcing cross beams (2); a sliding groove (22) is formed in the inner side wall of the guide rail upright post (1), a sliding frame (17) is installed on the sliding groove (22) in a sliding fit mode, a box body frame (25) is fixedly installed on the sliding frame (17) through a connecting seat (16), and a lifting box (18) is fixed on the box body frame (25); the lifting box (18) is connected with a steel wire rope (15), the steel wire rope (15) is connected with a winch (7) for lifting by bypassing a guide pulley assembly, and the winch (7) is connected with a power device for driving the winch to rotate.
2. The cargo lift mechanism for an aircraft service platform of claim 1, wherein: during installation, the guide rail upright post (1) is fixedly connected with a frame of the maintenance platform and is vertically arranged along the height direction of the maintenance platform.
3. The cargo lift mechanism for an aircraft service platform of claim 1, wherein: the tail ends of two horizontal rods of the sliding frame (17) are provided with rollers (24), and the rollers (24) and the sliding groove (22) form sliding fit.
4. The cargo lift mechanism for an aircraft service platform of claim 1, wherein: the guide pulley assembly comprises a top pulley (21) fixed on the reinforcing beam (2) at the top end and a bottom steering pulley (4) fixed on the reinforcing beam (2) at the bottom end; the steel wire rope (15) sequentially rounds the top pulley (21) and the bottom diverting pulley (4) and then is wound on the winch (7).
5. The cargo lift mechanism for an aircraft service platform of claim 1, wherein: the power device comprises a power rack (6), a motor (9) is fixedly mounted on the power rack (6), an output shaft of the motor (9) is connected with a speed reducer (8), an output shaft of the speed reducer (8) is connected with a main shaft of a winch (7) and drives the winch to rotate, and a limiting rod (5) used for arranging a rope on a steel wire rope (15) is mounted on the winch (7) in a matched mode.
6. The cargo lift mechanism for an aircraft service platform of claim 5, wherein: the speed reducer (8) adopts an electric and manual dual-purpose structure, a vertical shaft (10) is connected to the manual input end of the speed reducer (8), the top of the vertical shaft (10) is connected with a manual input shaft (12) through a reversing transmission case (11), and a hand wheel (13) is installed on the manual input shaft (12).
7. The cargo lift mechanism for an aircraft service platform of claim 1, wherein: bottom stopper (3) are installed to the bottom of spout (22), and top stopper (23) are installed on the top of spout (22).
8. The cargo lift mechanism for an aircraft service platform of claim 1, wherein: the sliding frame (17) is matched with a retaining mechanism for locking the position of the sliding frame, the retaining mechanism comprises a pin shaft seat (19) fixed on the sliding frame (17), a spring pin (20) is mounted on the pin shaft seat (19), and the spring pin (20) is matched with limiting teeth on the rack (14); the rack (14) is fixedly arranged between the reinforcing cross beams (2) and is arranged in parallel with the guide rail upright post (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120316463.4U CN215854851U (en) | 2021-02-04 | 2021-02-04 | Cargo hoisting mechanism for aircraft maintenance platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120316463.4U CN215854851U (en) | 2021-02-04 | 2021-02-04 | Cargo hoisting mechanism for aircraft maintenance platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215854851U true CN215854851U (en) | 2022-02-18 |
Family
ID=80238426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120316463.4U Active CN215854851U (en) | 2021-02-04 | 2021-02-04 | Cargo hoisting mechanism for aircraft maintenance platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215854851U (en) |
-
2021
- 2021-02-04 CN CN202120316463.4U patent/CN215854851U/en active Active
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