CN113479828B - Lifting device for be used for 320 aircraft maintenance usefulness - Google Patents
Lifting device for be used for 320 aircraft maintenance usefulness Download PDFInfo
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- CN113479828B CN113479828B CN202110748001.4A CN202110748001A CN113479828B CN 113479828 B CN113479828 B CN 113479828B CN 202110748001 A CN202110748001 A CN 202110748001A CN 113479828 B CN113479828 B CN 113479828B
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- supporting
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- 238000012423 maintenance Methods 0.000 title claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims description 28
- 208000032369 Primary transmission Diseases 0.000 claims description 17
- 208000032370 Secondary transmission Diseases 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000001174 ascending effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 230000009194 climbing Effects 0.000 claims description 3
- 230000009193 crawling Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 241000282326 Felis catus Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/40—Maintaining or repairing aircraft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a lifting device for 320 aircraft maintenance, which comprises a supporting base, a battery, a control box, a control handle, a side supporting mechanism, a primary lifting driving mechanism, a secondary lifting driving mechanism and a working platform. The lifting device for 320 aircraft maintenance utilizes the side support mechanism to position and support the edge of the support base, so that the stability of the support base during maintenance is ensured; the primary lifting driving mechanism is utilized to realize the primary adjustment of the height position of the working platform; the height position of the working platform is subjected to secondary adjustment by utilizing a secondary lifting driving mechanism, so that the working platform can reach the height of the aircraft maintenance position; the control handle is used for facilitating maintenance personnel to control the lifting device; the controller controls the electric roller through the roller driving circuit by utilizing the forward key, the backward key, the left turning key and the right turning key, so that maintenance personnel can conveniently move the lifting device on the working platform.
Description
Technical Field
The invention relates to a lifting device, in particular to a lifting device for 320 aircraft maintenance.
Background
At present, most of existing aircraft overhaul platforms adopt fixed overhaul brackets, and local parts of the aircraft are detected on the overhaul brackets manually, so that the positions of the aircraft overhaul platforms are relatively fixed in one detection. Because the area of the aircraft wing is larger and the model is different, the mode efficiency of the fixed overhaul support is lower, and the existing overhaul requirement is difficult to meet.
Disclosure of Invention
The invention aims to: a lifting device for 320 aircraft maintenance is provided that can be moved and lifted in accordance with the position on the aircraft wing that is to be detected.
The technical scheme is as follows: the invention relates to a lifting device for 320 aircraft maintenance, which comprises a supporting base, a battery, a control box, a control handle, a side supporting mechanism, a primary lifting driving mechanism, a secondary lifting driving mechanism and a working platform, wherein the supporting base is provided with a lifting platform;
the side edge supporting mechanism consists of a supporting driving mechanism and four supporting branches, the supporting driving mechanism is arranged in the supporting base, the four supporting branches are respectively arranged on four vertical side surfaces of the supporting base, and the supporting driving mechanism synchronously drives the four supporting branches to position and support the edge of the supporting base; universal wheels are arranged at two vertex angles on the same side edge of the lower side surface of the support base, and electric idler wheels are arranged at the other two vertex angles; the first-stage lifting driving mechanism is arranged on the supporting base, the second-stage lifting driving mechanism is arranged on the first-stage lifting driving mechanism, the working platform is fixed on the second-stage lifting driving mechanism, and the working platform is driven to lift by the first-stage lifting driving mechanism and the second-stage lifting driving mechanism together; the surrounding edges of the working platform are provided with fences; the control box is arranged on the fence; the battery is arranged on the lower side surface of the supporting base;
a controller, a roller driving circuit and a power module are arranged in the control box; the control handle is electrically connected to the controller through a cable; the support driving mechanism, the primary lifting driving mechanism and the secondary lifting driving mechanism are driven by a controller; the roller driving circuit is electrically connected with the controller and the two electric rollers; the battery supplies power to the controller, the side support mechanism, the primary lifting driving mechanism, the secondary lifting driving mechanism and the roller driving circuit through the power module; the control handle is provided with a forward button, a backward button, a left turning button and a right turning button which are electrically connected with the controller.
Furthermore, a ladder stand for climbing is arranged on the fence at one side; and an inclined stay bar is supported between the crawling ladder and the lower side surface of the working platform.
Further, a tool box is arranged on the working platform; a cover plate is covered on the tool box, and a handle is arranged on the cover plate.
Further, the supporting branch comprises a supporting sleeve, a protecting sleeve, a secondary driving bevel gear, a transmission rod, a supporting screw rod and a supporting plate;
one end of each of the four support sleeves is fixed on four vertical side surfaces of the support base, and the four support sleeves are distributed in a cross shape; the protective sleeve is a cylindrical pipe with two closed ends; a sleeve through hole is arranged at both closed ends of the protective sleeve; the protection sleeve is vertically fixed at the other end of the support sleeve; a base cavity is arranged in the supporting base; one end of the transmission rod extends into the protective sleeve, and the secondary driving bevel gear is arranged on the end; the other end of the transmission rod penetrates through the support sleeve and then extends into the cavity of the base; the supporting driving mechanism is arranged in the cavity of the base and synchronously drives the four transmission rods in a rotating way; the supporting screw rod penetrates through the two sleeve through holes; a transmission internal thread sleeve is rotatably arranged in the protection sleeve through a bearing, and the supporting screw rod is screwed on the transmission internal thread sleeve; a secondary driven bevel gear is coaxially arranged on the outer pipe wall of the transmission internal thread sleeve, and the secondary driven bevel gear is meshed with the secondary driving bevel gear; the backup pad is fixed on the lower extreme of supporting screw rod.
Further, the support driving mechanism comprises a support driving motor, a primary driving bevel gear and four primary driven bevel gears;
the four first-stage driven bevel gears are respectively arranged on the end parts of the four transmission rods extending into the cavity of the base; the supporting driving motor is arranged in the cavity of the base; the first-stage driving bevel gears are arranged on an output shaft of the supporting driving motor, and are meshed with the four first-stage driven bevel gears at the same time;
a support driving circuit electrically connected with the controller is arranged in the control box; the support driving circuit is electrically connected with the support driving motor, and the controller drives the support driving motor to rotate through the support driving circuit; the control handle is provided with a support lifting key and a support releasing key which are electrically connected with the controller.
Further, a chute is arranged on the supporting screw rod along the length direction; and sliding blocks which are in sliding fit with the sliding grooves are arranged on the hole walls of the two sleeve through holes.
Further, a non-slip mat is arranged on the lower side surface of the supporting plate.
Further, the primary lifting driving mechanism comprises a lifting platform, a U-shaped plate, a primary lifting driving motor and a primary transmission screw;
two rectangular holes are formed in the middle of the lifting platform; a first-stage internal thread sleeve is vertically and fixedly penetrated between the two rectangular holes at the middle part of the lifting platform; the two vertical side plates of the U-shaped plate penetrate through the two rectangular holes and are then fixed on the upper side surface of the supporting base;
the primary lifting driving motor is arranged on the upper side surface of the U-shaped plate, and an output shaft of the primary lifting driving motor downwards penetrates through the upper side plate of the U-shaped plate; the upper end of the primary transmission screw rod is butted with the penetrating end of the output shaft of the primary lifting driving motor, the lower end of the primary transmission screw rod is rotatably supported on the upper side surface of the supporting base, and the middle thread of the primary transmission screw rod is screwed on the primary internal thread sleeve; the second-stage lifting driving mechanism is arranged on the lifting platform;
a first-stage lifting driving circuit which is electrically connected with the controller is arranged in the control box; the controller drives the primary lifting driving motor to rotate through the primary lifting driving circuit; the control handle is provided with a first-level ascending button and a first-level descending button which are electrically connected with the controller.
Further, the secondary lifting driving mechanism comprises a secondary lifting driving motor, four secondary internal threaded pipes and four secondary transmission screws;
a mounting cavity is arranged in the lifting platform; the four secondary internal thread pipes are vertically arranged on the upper side surface of the lifting platform in a rotary mode, and the lower ends of the four secondary internal thread pipes extend into the installation cavity; the four secondary internal threaded pipes are distributed on four equally divided points of the same circumference, and the primary transmission screw is positioned at the circle center; the extending ends of the four secondary internal thread pipes are respectively provided with a driven sprocket; the second-stage lifting driving motor is arranged on the upper side surface of the lifting platform, and an output shaft of the second-stage lifting driving motor extends into the mounting cavity; a driving sprocket is arranged at the extending end of the output shaft of the secondary lifting driving motor; the driving sprocket is simultaneously matched with the four driven sprockets for transmission through a chain; the upper ends of the four secondary driving screws are fixed on the bottom surface of the working platform, and the lower ends of the four secondary driving screws are screwed on the upper ends of the four secondary internal threaded pipes respectively;
a secondary lifting driving circuit electrically connected with the controller is arranged in the control box; the controller drives the secondary lifting driving motor to rotate through the secondary lifting driving circuit; the control handle is provided with a secondary ascending button and a secondary descending button which are electrically connected with the controller.
Further, two guide holes are formed in the lifting platform; two guide rods are fixed on the upper side surface of the support base, and the upper ends of the two guide rods respectively penetrate through the two guide holes.
Compared with the prior art, the invention has the beneficial effects that: the movement of the supporting base is realized by utilizing the cooperation between the two universal wheels and the two electric idler wheels; the side support mechanism is utilized to position and support the edge of the support base, so that the stability of the support base during maintenance is ensured; the primary lifting driving mechanism is utilized to realize the primary adjustment of the height position of the working platform; the height position of the working platform is subjected to secondary adjustment by utilizing a secondary lifting driving mechanism, so that the working platform can reach the height of the aircraft maintenance position; the fence is used for protecting the safety of maintenance personnel in the air; the control handle is used for facilitating maintenance personnel to control the lifting device; the controller controls the electric roller through the roller driving circuit by utilizing the forward key, the backward key, the left turning key and the right turning key, so that maintenance personnel can conveniently move the lifting device on the working platform.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of the primary lift drive mechanism of the present invention;
FIG. 3 is a cross-sectional view of a protective sleeve of the present invention;
FIG. 4 is a cross-sectional view of a support base of the present invention;
fig. 5 is a schematic circuit structure of the present invention.
Detailed Description
The technical scheme of the present invention will be described in detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example 1:
as shown in fig. 1 to 5, the lifting device for 320 aircraft maintenance according to the present invention comprises: the device comprises a support base 1, a battery 2, a control box 5, a control handle 6, a side support mechanism, a primary lifting driving mechanism, a secondary lifting driving mechanism and a working platform 3;
the side support mechanism consists of a support driving mechanism and four support branches, the support driving mechanism is arranged in the support base 1, the four support branches are respectively arranged on four vertical side surfaces of the support base 1, and the support driving mechanism synchronously drives the four support branches to position and support the edge of the support base 1; universal wheels 18 are arranged at two vertex angles on the same side of the lower side surface of the supporting base 1, and electric rollers 17 are arranged at the other two vertex angles; the first-stage lifting driving mechanism is arranged on the supporting base 1, the second-stage lifting driving mechanism is arranged on the first-stage lifting driving mechanism, the working platform 3 is fixed on the second-stage lifting driving mechanism, and the working platform 3 is driven to lift by the first-stage lifting driving mechanism and the second-stage lifting driving mechanism together; the surrounding edges of the working platform 3 are provided with fences 37; the control box 5 is mounted on the rail 37; the battery 2 is mounted on the lower side of the support base 1;
a controller, a roller driving circuit and a power module are arranged in the control box 5; the control handle 6 is electrically connected to the controller through a cable; the support driving mechanism, the primary lifting driving mechanism and the secondary lifting driving mechanism are driven by a controller; the roller driving circuit is electrically connected with the controller and the two electric rollers 17; the battery 2 supplies power to the controller, the side support mechanism, the primary lifting driving mechanism, the secondary lifting driving mechanism and the roller driving circuit through the power supply module; the control handle 6 is provided with a forward button, a backward button, a left turn button and a right turn button which are electrically connected with the controller.
The movement of the support base 1 is realized by utilizing the cooperation between the two universal wheels 18 and the two electric rollers 17; the four supporting branches are synchronously driven by the supporting driving mechanism to position and support the edge of the supporting base 1, so that the stability of the supporting base 1 during maintenance is ensured; the primary lifting driving mechanism is utilized to realize the primary adjustment of the height position of the working platform 3; the height position of the working platform 3 is subjected to secondary adjustment by utilizing a secondary lifting driving mechanism, so that the working platform 3 can reach the height of the aircraft maintenance position; the fence 37 is used for protecting the safety of maintenance personnel in the air; the control handle 6 is utilized to facilitate the maintenance personnel to control the lifting device; the controller controls the electric roller 17 through the roller driving circuit by utilizing the forward key, the backward key, the left turning key and the right turning key, so that maintenance personnel can conveniently move the lifting device on the working platform 3.
Further, a ladder stand 4 for climbing is installed on the rail 37 on one side; an inclined strut is supported between the ladder stand 4 and the underside of the work platform 3. The working platform 3 is convenient for maintenance personnel to climb by utilizing the crawling ladder 4; utilize diagonal brace to support cat ladder 4, guaranteed cat ladder 4's stability.
Further, a tool box 7 is arranged on the working platform 3; the tool box 7 is covered with a cover plate 8, and a handle 9 is provided on the cover plate 8. The tool box 7 is used for conveniently storing maintenance tools; dust is protected by means of a cover plate 8.
Further, the support branch comprises a support sleeve 19, a protection sleeve 20, a secondary driving bevel gear 25, a transmission rod 26, a support screw 21 and a support plate 22;
one end of each of the four support sleeves 19 is fixed on four vertical side surfaces of the support base 1, and the four support sleeves 19 are distributed in a cross shape; the protective sleeve 20 is a cylindrical tube with two closed ends; a sleeve through hole 38 is provided at both closed ends of the protective sleeve 20; the protection sleeve 20 is vertically fixed on the other end of the support sleeve 19; a base cavity 41 is arranged in the support base 1; one end of the transmission rod 26 extends into the protective sleeve 20, and a secondary driving bevel gear 25 is mounted on the end; the other end of the transmission rod 26 penetrates through the support sleeve 19 and then extends into the base cavity 41; the supporting driving mechanism is arranged in the base cavity 41 and synchronously drives the four transmission rods 26 in a rotating way; the support screw 21 penetrates through the two sleeve through holes 38; a transmission internal thread sleeve 27 is rotatably arranged in the protection sleeve 20 through a bearing 32, and the supporting screw 21 is screwed on the transmission internal thread sleeve 27; a secondary driven bevel gear 24 is coaxially arranged on the outer pipe wall of the transmission internal thread sleeve 27, and the secondary driven bevel gear 24 is meshed with a secondary driving bevel gear 25; a support plate 22 is fixed to the lower end of the support screw 21.
By utilizing the cooperation among the supporting screw rod 21, the transmission internal thread sleeve 27, the four secondary driving bevel gears 25 and the four secondary driven bevel gears 24, the four supporting plates 22 are ensured to synchronously support downwards under the driving of the supporting driving mechanism, thereby ensuring the stability of the supporting base 1 and simultaneously preventing toppling.
Further, the support driving mechanism includes a support driving motor 34, a primary driving bevel gear 35, and four primary driven bevel gears 33;
four primary driven bevel gears 33 are respectively arranged on the end parts of the four transmission rods 26 extending into the base cavity 41; the support drive motor 34 is mounted within the base cavity 41; the primary driving bevel gears 35 are mounted on the output shafts of the supporting driving motors 34, and the primary driving bevel gears 35 are simultaneously meshed with the four primary driven bevel gears 33;
a supporting driving circuit electrically connected with the controller is arranged in the control box 5; the support driving circuit is electrically connected with the support driving motor 34, and the controller drives the support driving motor 34 to rotate through the support driving circuit; a support lifting key and a support releasing key which are electrically connected with the controller are arranged on the control handle 6.
The four transmission rods 26 are driven and controlled to synchronously rotate through the supporting driving motor 34 by utilizing the cooperation between the first-stage driving bevel gear 35 and the four first-stage driven bevel gears 33, so that the four supporting plates 22 are ensured to synchronously support downwards; the support lifting key and the support releasing key are utilized, the support driving motor 34 is controlled to rotate through the controller, and maintenance personnel can conveniently control the four support plates 22 to be supported on the ground for positioning and supporting the lifting device.
Further, a chute 23 is provided on the support screw 21 in the longitudinal direction; a slide block which is in sliding fit with the slide groove 23 is arranged on the hole walls of the two sleeve through holes 38. The vertical movement of the supporting screw 21 is ensured by the cooperation between the chute 23 and the slide block.
Further, a slip-preventing pad 39 is provided on the lower side of the support plate 22. The stability of the support is further ensured by the anti-slip of the anti-slip pad 39.
Further, the primary lifting driving mechanism comprises a lifting platform 31, a U-shaped plate 11, a primary lifting driving motor 10 and a primary transmission screw 30;
two rectangular holes are formed in the middle of the lifting platform 31; a first-stage internal thread sleeve 29 is vertically and penetratively fixed in the middle of the lifting platform 31 and positioned between the two rectangular holes; the two vertical side plates of the U-shaped plate 11 penetrate through the two rectangular holes and are fixed on the upper side surface of the support base 1;
the primary lifting driving motor 10 is arranged on the upper side surface of the U-shaped plate 11, and an output shaft of the primary lifting driving motor 10 downwards penetrates through the upper side plate of the U-shaped plate 11; the upper end of the primary transmission screw 30 is butted on the penetrating end of the output shaft of the primary lifting driving motor 10, the lower end of the primary transmission screw 30 is rotatably supported on the upper side surface of the supporting base 1, and the middle thread of the primary transmission screw 30 is screwed on the primary internal thread sleeve 29; the secondary lifting driving mechanism is arranged on the lifting platform 31 and used for adjusting the height of the working platform 3;
a primary lifting driving circuit electrically connected with the controller is arranged in the control box 5; the first-stage lifting driving circuit is electrically connected with the lifting driving motor 10, and the controller drives the first-stage lifting driving motor 10 to rotate through the first-stage lifting driving circuit; the control handle 6 is provided with a first-stage ascending button and a first-stage descending button which are electrically connected with the controller.
The primary adjustment of the height position of the lifting platform 31 is realized by utilizing the cooperation between the primary transmission screw 30 and the primary internal thread sleeve 29; the lifting platform 31 is prevented from rotating in the lifting process by utilizing the cooperation between the two vertical side plates of the U-shaped plate 11 and the two rectangular holes; the primary lifting driving motor 10 is controlled to rotate by the controller by utilizing the primary lifting key and the primary descending key, so that maintenance personnel can conveniently adjust the height position of the lifting platform 31 on the lifting platform 31.
Further, the secondary lifting driving mechanism comprises a secondary lifting driving motor 12, four secondary internal threaded pipes 13 and four secondary transmission screws 16;
a mounting cavity 40 is provided in the lifting platform 31; the four secondary internal thread pipes 13 are vertically installed on the upper side surface of the lifting platform 31 in a rotary mode, and the lower ends of the four secondary internal thread pipes 13 extend into the installation cavity 40; the four secondary internal threaded pipes 13 are distributed on four equally divided points of the same circumference, and the primary transmission screw 30 is positioned at the center of a circle; a driven sprocket 28 is arranged on the extending ends of the four secondary internal thread pipes 13; the secondary lifting driving motor 12 is arranged on the upper side surface of the lifting platform 31, and an output shaft of the secondary lifting driving motor 12 extends into the installation cavity 40; a driving sprocket 36 is arranged on the extending end of the output shaft of the secondary lifting driving motor 12; the driving sprocket 36 is driven by a chain simultaneously in cooperation with the four driven sprockets 28; the upper ends of the four secondary transmission screws 16 are fixed on the bottom surface of the working platform 3, and the lower ends of the four secondary transmission screws 16 are respectively screwed on the upper ends of the four secondary internal threaded pipes 13;
a secondary lifting driving circuit electrically connected with the controller is arranged in the control box 5; the second-stage lifting driving circuit is electrically connected with the second-stage lifting driving motor 12, and the controller drives the second-stage lifting driving motor 12 to rotate through the second-stage lifting driving circuit; the control handle 6 is provided with a secondary up button and a secondary down button which are electrically connected with the controller.
The secondary adjustment of the height position of the lifting platform 31 is realized by utilizing the coordination among the four driven chain wheels 28, one driving chain wheel 36, a chain, four secondary internal threaded pipes 13 and four secondary transmission screws 16, and meanwhile, the four secondary transmission screws 16 are driven to synchronously rise or fall through the secondary lifting driving motor 12, so that the lifting stability of the working platform 3 is ensured; the secondary lifting driving motor 12 is controlled to rotate by the controller by utilizing the secondary lifting key and the secondary descending key, so that maintenance personnel can conveniently further adjust the height position of the lifting platform 31.
Further, two guide holes are provided on the lifting platform 31; two guide rods 14 are fixed on the upper side surface of the support base 1, and the upper ends of the two guide rods 14 respectively penetrate through the two guide holes.
The guide holes are matched with the guide rods 14, so that the lifting stability of the lifting platform 31 is ensured.
In the lifting device for 320 aircraft maintenance, the controller adopts the existing ARM processor module and is used for realizing coordination control; the electric roller 17 adopts the existing electric roller for realizing the movement of the lifting device; the support driving motor 34, the primary lifting driving motor 10 and the secondary lifting driving motor 12 all adopt the existing stepping motors; the supporting driving circuit, the primary lifting driving circuit and the secondary lifting driving circuit all adopt corresponding stepping motor driving circuits.
When the lifting device for 320 aircraft maintenance is installed and used, a maintenance person climbs the working platform 3 through the ladder 4, then picks up the control handle 6 to press the forward key, the backward key, the left turning key or the right turning key, and after receiving signals, the controller coordinates and controls the two electric rollers 17 to move the lifting device to a designated position through the roller driving circuit; then pressing a supporting and lifting key, and driving a supporting and driving motor 34 to rotate through a supporting and driving circuit after the controller receives signals, so that four supporting screws 21 drive four supporting plates 22 to synchronously support downwards on the ground; then, the controller receives signals and drives the primary lifting driving motor 10 to rotate through the primary lifting driving circuit, the primary transmission screw 30 rotates to drive the lifting platform 31 to lift, the secondary lifting driving mechanism follows the lifting platform 31 to lift, then the secondary lifting key or the secondary descending key is pressed to further adjust the height, the controller receives signals and drives the secondary lifting driving motor 12 to rotate through the secondary lifting driving circuit, and the four secondary internal threaded pipes 13 rotate to drive the four secondary transmission screws 16 to synchronously lift, so that the working platform 3 stably lifts to a specified position.
As described above, although the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A elevating gear for 320 aircraft maintenance usefulness, characterized in that: comprises a supporting base (1), a battery (2), a control box (5), a control handle (6), a side edge supporting mechanism, a primary lifting driving mechanism, a secondary lifting driving mechanism and a working platform (3);
the side edge supporting mechanism consists of a supporting driving mechanism and four supporting branches, the supporting driving mechanism is arranged in the supporting base (1), the four supporting branches are respectively arranged on four vertical side surfaces of the supporting base (1), and the supporting driving mechanism synchronously drives the four supporting branches to position and support the edge of the supporting base (1); universal wheels (18) are arranged at two vertex angles on the same side edge of the lower side surface of the supporting base (1), and electric rollers (17) are arranged at the other two vertex angles; the first-stage lifting driving mechanism is arranged on the supporting base (1), the second-stage lifting driving mechanism is arranged on the first-stage lifting driving mechanism, the working platform (3) is fixed on the second-stage lifting driving mechanism, and the working platform (3) is driven to lift by the first-stage lifting driving mechanism and the second-stage lifting driving mechanism together; the peripheral edges of the working platform (3) are provided with fences (37); the control box (5) is arranged on the fence (37); the battery (2) is arranged on the lower side surface of the supporting base (1);
a controller, a roller driving circuit and a power module are arranged in the control box (5); the control handle (6) is electrically connected to the controller through a cable; the support driving mechanism, the primary lifting driving mechanism and the secondary lifting driving mechanism are driven by a controller; the roller driving circuit is electrically connected with the controller and the two electric rollers (17); the battery (2) supplies power to the controller, the side support mechanism, the primary lifting driving mechanism, the secondary lifting driving mechanism and the roller driving circuit through the power supply module; a forward button, a backward button, a left turning button and a right turning button which are electrically connected with the controller are arranged on the control handle (6);
a ladder stand (4) for climbing is arranged on the fence (37) at one side; an inclined strut is supported between the crawling ladder (4) and the lower side surface of the working platform (3);
the primary lifting driving mechanism comprises a lifting platform (31), a U-shaped plate (11), a primary lifting driving motor (10) and a primary transmission screw (30);
two rectangular holes are formed in the middle of the lifting platform (31); a first-stage internal thread sleeve (29) is vertically and penetratively fixed between the two rectangular holes at the middle part of the lifting platform (31); two vertical side plates of the U-shaped plate (11) penetrate through the two rectangular holes and are then fixed on the upper side surface of the supporting base (1);
the primary lifting driving motor (10) is arranged on the upper side surface of the U-shaped plate (11), and an output shaft of the primary lifting driving motor (10) downwards penetrates through the upper side plate of the U-shaped plate (11); the upper end of the primary transmission screw (30) is butted with the penetrating end of the output shaft of the primary lifting driving motor (10), the lower end of the primary transmission screw (30) is rotatably supported on the upper side surface of the supporting base (1), and the middle thread of the primary transmission screw (30) is screwed on the primary internal thread sleeve (29); the second-level lifting driving mechanism is arranged on the lifting platform (31);
a primary lifting driving circuit electrically connected with the controller is arranged in the control box (5); the first-stage lifting driving circuit is electrically connected with the lifting driving motor (10), and the controller drives the first-stage lifting driving motor (10) to rotate through the first-stage lifting driving circuit; the control handle (6) is provided with a first-level ascending key and a first-level descending key which are electrically connected with the controller.
2. The lifting device for use in aircraft maintenance 320 as recited in claim 1, wherein: a tool box (7) is arranged on the working platform (3); a cover plate (8) covers the tool box (7), and a handle (9) is arranged on the cover plate (8).
3. The lifting device for use in aircraft maintenance 320 as recited in claim 1, wherein: the support branch comprises a support sleeve (19), a protection sleeve (20), a secondary driving bevel gear (25), a transmission rod (26), a support screw (21) and a support plate (22);
one end of each of the four support sleeves (19) is fixed on four vertical side surfaces of the support base (1), and the four support sleeves (19) are distributed in a cross shape; the protective sleeve (20) is a cylindrical pipe with two closed ends; a sleeve through hole (38) is arranged on both closed ends of the protective sleeve (20); the protection sleeve (20) is vertically fixed on the other end of the support sleeve (19); a base cavity (41) is arranged in the supporting base (1); one end of a transmission rod (26) extends into the protective sleeve (20), and a secondary driving bevel gear (25) is arranged on the end; the other end of the transmission rod (26) penetrates through the support sleeve (19) and then extends into the base cavity (41); the supporting driving mechanism is arranged in the base cavity (41) and synchronously drives the four transmission rods (26) in a rotating way; the supporting screw rod (21) penetrates through the two sleeve through holes (38); a transmission internal thread sleeve (27) is rotatably arranged in the protection sleeve (20) through a bearing (32), and the supporting screw (21) is screwed on the transmission internal thread sleeve (27); a secondary driven bevel gear (24) is coaxially arranged on the outer pipe wall of the transmission internal thread sleeve (27), and the secondary driven bevel gear (24) is meshed with a secondary driving bevel gear (25); the support plate (22) is fixed on the lower end of the support screw (21).
4. A lifting device for use in 320 aircraft maintenance according to claim 3, wherein: the support driving mechanism comprises a support driving motor (34), a primary driving bevel gear (35) and four primary driven bevel gears (33);
the four first-stage driven bevel gears (33) are respectively arranged on the end parts of the four transmission rods (26) extending into the base cavity (41); the supporting driving motor (34) is arranged in the base cavity (41); the primary driving bevel gears (35) are arranged on an output shaft of the supporting driving motor (34), and the primary driving bevel gears (35) are meshed with the four primary driven bevel gears (33) at the same time;
a supporting driving circuit which is electrically connected with the controller is arranged in the control box (5); the support driving circuit is electrically connected with the support driving motor (34), and the controller drives the support driving motor (34) to rotate through the support driving circuit; the control handle (6) is provided with a support lifting key and a support releasing key which are electrically connected with the controller.
5. A lifting device for use in 320 aircraft maintenance according to claim 3, wherein: a chute (23) is arranged on the supporting screw (21) along the length direction; the wall of the two sleeve through holes (38) is provided with sliding blocks which are in sliding fit with the sliding grooves (23).
6. A lifting device for use in 320 aircraft maintenance according to claim 3, wherein: a non-slip mat (39) is arranged on the lower side surface of the supporting plate (22).
7. The lifting device for use in aircraft maintenance 320 as recited in claim 1, wherein: the secondary lifting driving mechanism comprises a secondary lifting driving motor (12), four secondary internal threaded pipes (13) and four secondary transmission screws (16);
a mounting cavity (40) is arranged in the lifting platform (31); the four secondary internal thread pipes (13) are vertically arranged on the upper side surface of the lifting platform (31) in a rotary mode, and the lower ends of the four secondary internal thread pipes (13) extend into the installation cavity (40); the four secondary internal threaded pipes (13) are distributed on four equally divided points of the same circumference, and the primary transmission screw (30) is positioned at the circle center; a driven sprocket (28) is arranged on the extending ends of the four secondary internally threaded pipes (13); the secondary lifting driving motor (12) is arranged on the upper side surface of the lifting platform (31), and an output shaft of the secondary lifting driving motor (12) extends into the installation cavity (40); a driving sprocket (36) is arranged at the extending end of the output shaft of the secondary lifting driving motor (12); the driving chain wheel (36) is simultaneously matched with the four driven chain wheels (28) for transmission through a chain; the upper ends of the four secondary transmission screws (16) are fixed on the bottom surface of the working platform (3), and the lower ends of the four secondary transmission screws (16) are respectively screwed on the upper ends of the four secondary internal threaded pipes (13);
a secondary lifting driving circuit electrically connected with the controller is arranged in the control box (5); the second-stage lifting driving circuit is electrically connected with the second-stage lifting driving motor (12), and the controller drives the second-stage lifting driving motor (12) to rotate through the second-stage lifting driving circuit; the control handle (6) is provided with a secondary ascending button and a secondary descending button which are electrically connected with the controller.
8. The lifting device for use in aircraft maintenance 320 as recited in claim 1, wherein: two guide holes are arranged on the lifting platform (31); two guide rods (14) are fixed on the upper side surface of the support base (1), and the upper ends of the two guide rods (14) respectively penetrate through the two guide holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110748001.4A CN113479828B (en) | 2021-07-01 | 2021-07-01 | Lifting device for be used for 320 aircraft maintenance usefulness |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110748001.4A CN113479828B (en) | 2021-07-01 | 2021-07-01 | Lifting device for be used for 320 aircraft maintenance usefulness |
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| CN113479828A CN113479828A (en) | 2021-10-08 |
| CN113479828B true CN113479828B (en) | 2024-02-09 |
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| CN202110748001.4A Active CN113479828B (en) | 2021-07-01 | 2021-07-01 | Lifting device for be used for 320 aircraft maintenance usefulness |
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| EP0685424A1 (en) * | 1993-12-01 | 1995-12-06 | Thomas Junczyk | Mobile lifting platform for a vehicle |
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|---|---|
| CN113479828A (en) | 2021-10-08 |
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