CN215479360U - Hoisting accessory that dismouting aircraft brake hub was used - Google Patents
Hoisting accessory that dismouting aircraft brake hub was used Download PDFInfo
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- CN215479360U CN215479360U CN202120917768.0U CN202120917768U CN215479360U CN 215479360 U CN215479360 U CN 215479360U CN 202120917768 U CN202120917768 U CN 202120917768U CN 215479360 U CN215479360 U CN 215479360U
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- cantilever
- brake hub
- assembly
- telescopic
- winding drum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/48—Manually-movable jib cranes for use in workshops
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
A lifting device for dismounting and mounting an aircraft brake hub comprises a frame, a lifting assembly and a telescopic cantilever assembly, wherein the lifting assembly and the telescopic cantilever assembly are mounted on the frame. The subassembly that lifts by crane includes: the hoisting box is internally and rotatably provided with a winding drum, a steel cable is wound on the winding drum and winds around a first pulley and a second pulley, a rotating shaft of the winding drum is connected with a hoisting hand wheel outside the hoisting box, and an anti-return mechanism is arranged between the rotating shaft of the winding drum and the hoisting hand wheel; the brake hub hanging plate is provided with a hanging ring in the center and butted with a lifting hook at the tail end of a steel cable, and two arc-shaped limiting plates are symmetrically arranged on two sides of the hanging ring. The telescopic cantilever assembly comprises a cantilever sleeve, a telescopic arm which is sleeved in the cantilever sleeve in a sliding way, and a telescopic hand wheel which is rotatably arranged at the front end of the cantilever sleeve. This hoisting accessory that dismouting aircraft brake hub used, it is hand formula lift by crane, the flexible length of hand formula control cantilever, and stable in structure is reliable and safe again, and it is many to be suitable for the scene, can effectively improve aircraft brake hub's maintenance efficiency.
Description
Technical Field
The utility model relates to the technical field of maintenance of brake equipment of passenger planes, in particular to a lifting device for dismounting a brake hub of an airplane.
Background
The disassembly and assembly brake hub is one of daily works of various airplane maintenance bases of the marine aviation company. In the process of installing the brake hub, the brake hub is lifted from a packing box, the brake hub is ensured to be vertical to the airplane wheel shaft, the brake hub is kept in fit with the shaft hole of the airplane wheel shaft through continuous up-down and left-right adjustment, and the brake hub can be easily installed on the airplane wheel shaft; the brake hub removal process is the reverse of the installation process. The existing maintenance bases lack effective auxiliary tools in the process of disassembling and assembling the airplane brake hub. The manual lifting of the brake hub is too laborious; if the forklift is used for assisting lifting, the brake hub is not easily forked out of the packaging box, the horizontal lifting of the brake hub cannot be guaranteed, and the alignment is not convenient. The manual lifting mode or the forklift-assisted lifting mode needs four to five persons, two hours are consumed to replace one brake hub, time and labor are wasted, safety is not high, the number of the forklifts is limited, coordination is not good, and therefore the working efficiency of replacing the brake hub is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a lifting device for dismounting an aircraft brake hub, which is used for hand-operated lifting and hand-operated control of the telescopic length of a cantilever, has a stable, reliable and safe structure and multiple applicable scenes, and can effectively improve the maintenance efficiency of the aircraft brake hub.
In order to achieve the purpose, the scheme is realized by the following technical scheme:
the utility model provides a hoisting accessory that dismouting aircraft brake hub used, includes the frame, installs hoisting accessory and flexible cantilever assembly on the frame, and flexible cantilever assembly passes through cantilever support to be fixed. The lifting assembly comprises:
the hoisting box is internally and rotatably provided with a winding drum, a steel cable is wound on the winding drum, a rotating shaft of the winding drum is connected with a hoisting hand wheel outside the hoisting box, and an anti-return mechanism is arranged between the rotating shaft of the winding drum and the hoisting hand wheel;
the first pulley is rotatably arranged at the front end of the telescopic cantilever assembly;
the second pulley is rotatably arranged at the rear end of the telescopic cantilever assembly, and the steel cable on the winding drum passes through the opening at the top of the hoisting box, sequentially winds the first pulley and the second pulley and freely droops from the second pulley;
the brake hub hanging plate is characterized in that a hanging ring is arranged in the center of the brake hub hanging plate, the hanging ring is in butt joint with a lifting hook at the tail end of a steel cable, and two arc-shaped limiting plates are symmetrically arranged on two sides of the hanging ring.
Furthermore, the telescopic cantilever assembly comprises a cantilever sleeve, a telescopic arm which is sleeved in the cantilever sleeve in a sliding way, and a telescopic hand wheel which is rotatably arranged at the front end of the cantilever sleeve; the front end face of the cantilever sleeve is provided with a mounting hole, and a rotating shaft of the telescopic hand wheel penetrates through the mounting hole to be rotatably mounted in the cantilever sleeve and is rotatably connected to the telescopic arm.
Further, the anti-back mechanism comprises a static sheet, a clutch moving sheet, a first bakelite pad, a ratchet wheel, a second bakelite pad and an elastic pawl, wherein the static sheet is coaxial with the winding drum rotating shaft and is fixedly arranged on the outer wall of the winding drum box; the stator is adjacent to the clutch moving plate, a key groove is formed in the inner ring of the clutch moving plate and matched with a key arranged on a rotating shaft of the winding drum, and the lifting hand wheel is rotatably installed on the outer side of the second bakelite pad.
Furthermore, the front end of the frame is also provided with a steering wheel assembly, and the rear end of the frame is provided with a travelling wheel; the steering wheel assembly is connected with a traction rod.
Preferably, the lifting assembly is fixed at the front part of the frame through a lifting assembly bracket, and the lifting assembly bracket is simultaneously connected with the frame, the cantilever bracket and the steering wheel assembly.
Preferably, a reinforcing rib is connected between the cantilever sleeve and the cantilever support, so that the cantilever sleeve in the horizontal direction, the cantilever support in the vertical direction and the oblique reinforcing rib are connected into a stable triangular structure.
Preferably, a counterweight is further disposed on the steel cable at a position above the hook.
Preferably, the telescopic boom assembly is inclined upwardly by 15 degrees as a whole.
Preferably, the rotating shaft of the telescopic hand wheel is a screw, and the external thread of the screw is matched with the internal thread of the mounting hole.
Compared with the prior art, the utility model has the beneficial effects that:
1) the telescopic length of the cantilever is controlled in a hand-operated lifting mode and a hand-operated mode, the device is suitable for various scenes with no electricity or inconvenient power pulling, and the applicability is good;
2) the anti-back mechanism capable of self-locking is arranged, so that the lifting hand wheel cannot rotate reversely under the condition that the brake hub is lifted in the air without special intervention, and the safety is high;
3) the frame is provided with a steering wheel and a travelling wheel, a hand-operated vertical hoisting device and a hand-operated horizontal control cantilever, so that the aerial posture of the brake hub can be adjusted in multiple directions and multiple angles, time and labor are saved, and the disassembly and assembly efficiency of the aircraft brake hub can be effectively improved;
4) the manufacturing cost is low, the structure is simple and stable, and the later maintenance amount is small.
In order that the utility model may be more clearly understood, preferred embodiments of the utility model will now be described with reference to the accompanying drawings.
Drawings
Fig. 1 and 2 are schematic overall structures of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a rear view of the present invention;
fig. 5 is a schematic top view of the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Furthermore, if the terms "first," "second," and the like are used for descriptive purposes only, they are used for mainly distinguishing different devices, elements or components (the specific types and configurations may be the same or different), and they are not used for indicating or implying relative importance or quantity among the devices, elements or components, but are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 5, a lifting device for dismounting and mounting a brake hub of an aircraft includes a frame 1, a lifting assembly mounted at a front end of the frame 1, and a telescopic cantilever assembly fixed on the frame 1 through a cantilever support 3. The front end of the frame 1 is also provided with a steering wheel assembly 11, and the rear end of the frame 1 is provided with a travelling wheel 12; a traction rod 13 is connected to the steering wheel assembly 11, so that the device can be manually pushed and pulled or pulled by a tractor to move.
The hoisting assembly is fixed at the front part of the frame 1 through a hoisting assembly support 20, the hoisting assembly support 20 is simultaneously connected with the frame 1, the cantilever support 3 and the steering wheel assembly 11, and the hoisting assembly comprises:
a winding drum (not shown) is rotatably mounted in the winding drum 21, a steel cable 22 is wound on the winding drum, a rotating shaft of the winding drum is connected with a lifting hand wheel 23 outside the winding drum 21, a self-locking anti-return mechanism 24 is mounted between the rotating shaft of the winding drum and the lifting hand wheel 23, and the anti-return mechanism 24 is used for preventing the winding drum from freely reversing when the steel cable 22 lifts the brake hub;
a first pulley 25 rotatably mounted at the front end of the telescopic boom assembly;
a second pulley 26 rotatably installed at the rear end of the telescopic boom assembly, the wire rope 22 on the drum passing through the opening at the top of the hoist case 21 and sequentially wound around the first pulley 25 and the second pulley 26, and hanging down freely from the second pulley 26;
the brake hub hanging plate 27 is characterized in that a hanging ring is arranged in the center of the brake hub hanging plate 27 and used for being in butt joint with a lifting hook at the tail end of the steel cable 22, two arc-shaped limiting plates are symmetrically arranged on two sides of the hanging ring, and the brake hub hanging plate 27 can be clamped on a brake hub to ensure that the brake hub keeps balance in the hoisting process.
In addition, a counter weight is provided on the wire rope 22 at a position above the hook so that the wire rope 22 wound around the first and second pulleys 25 and 26 can freely hang down.
Further, the anti-back mechanism 24 comprises a stator, a clutch rotor, a first bakelite pad, a ratchet wheel, a second bakelite pad and an elastic pawl, wherein the stator is coaxial with the winding drum rotating shaft and is fixedly installed on the outer wall of the winding drum 21; the stator is adjacent to the clutch rotor, a key groove is formed in the inner ring of the clutch rotor and matched with a key arranged on a rotating shaft of the winding drum, and the lifting hand wheel 23 is rotatably installed on the outer side of the second bakelite pad. When the lifting hand wheel 23 is rotated in the forward direction, the clutch moving plate, the first bakelite pad, the ratchet wheel and the second bakelite pad rotate forward along with the lifting hand wheel 23 and the rotating shaft of the winding drum, the winding drum also rotates forward, and the brake hub on the steel cable 22 is slowly lifted. When the lifting hand wheel 23 stops rotating, the winding drum cannot rotate reversely because the elastic pawl locks the ratchet wheel, so that the brake hub is suspended in the air. When the brake hub is dismounted and the lifting hand wheel 23 needs to be rotated reversely to put down the lifting hook, the ratchet wheel can be kept still, the clutch moving piece is separated from the static piece, the clutch moving piece, the first bakelite pad and the second bakelite pad rotate reversely along with the lifting hand wheel 23 and the rotating shaft of the winding drum, the winding drum also rotates reversely, and the lifting hook on the steel cable 22 is slowly put down.
The telescopic cantilever assembly comprises a cantilever sleeve 41, a telescopic arm 42 slidably sleeved in the cantilever sleeve 41, and a telescopic hand wheel 43 rotatably mounted at the front end of the cantilever sleeve 41. Specifically, a mounting hole is formed in the front end surface of the boom sleeve 41, and a rotating shaft of the telescopic hand wheel 43 passes through the mounting hole to be rotatably mounted in the boom sleeve 41 and is rotatably connected to the telescopic arm 42. When the telescopic hand wheel 43 is manually rotated, the rotating shaft of the telescopic hand wheel 43 drives the telescopic arm 42 to extend and contract in the sleeve, so that the telescopic length of the telescopic arm 42 in the horizontal direction is adjustable. Preferably, in the embodiment, the telescopic cantilever assembly is integrally inclined upwards by 15 degrees; the reinforcing ribs 5 are connected between the cantilever sleeve 41 and the cantilever support 3, so that the cantilever sleeve 41 in the horizontal direction, the cantilever support 3 in the vertical direction and the oblique reinforcing ribs 5 are connected with each other to form a stable triangular structure; the rotating shaft of the telescopic hand wheel 43 is a screw, and the external thread of the screw is matched with the internal thread of the mounting hole.
Compared with the prior art, the utility model has the beneficial effects that: the telescopic length of the cantilever is controlled in a hand-operated lifting mode and a hand-operated mode, the device is suitable for various scenes with no electricity or inconvenient power pulling, and the applicability is good; the anti-back mechanism capable of self-locking is arranged, so that the lifting hand wheel cannot rotate reversely under the condition that the brake hub is lifted in the air without special intervention, and the safety is high; the frame is provided with a steering wheel and a travelling wheel, a hand-operated vertical hoisting device and a hand-operated horizontal control cantilever, so that the aerial posture of the brake hub can be adjusted in multiple directions and multiple angles, time and labor are saved, and the disassembly and assembly efficiency of the aircraft brake hub can be effectively improved; the manufacturing cost is low, the structure is simple and stable, and the later maintenance amount is small.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (9)
1. The utility model provides a hoisting accessory that dismouting aircraft brake hub was used, includes the frame, installs hoisting accessory and flexible cantilever assembly on the frame, and flexible cantilever assembly passes through cantilever support fixed its characterized in that: the lifting assembly comprises:
the hoisting box is internally and rotatably provided with a winding drum, a steel cable is wound on the winding drum, a rotating shaft of the winding drum is connected with a hoisting hand wheel outside the hoisting box, and an anti-return mechanism is arranged between the rotating shaft of the winding drum and the hoisting hand wheel;
the first pulley is rotatably arranged at the front end of the telescopic cantilever assembly;
the second pulley is rotatably arranged at the rear end of the telescopic cantilever assembly, and the steel cable on the winding drum passes through the opening at the top of the hoisting box, sequentially winds the first pulley and the second pulley and freely droops from the second pulley;
the brake hub hanging plate is characterized in that a hanging ring is arranged in the center of the brake hub hanging plate, the hanging ring is in butt joint with a lifting hook at the tail end of a steel cable, and two arc-shaped limiting plates are symmetrically arranged on two sides of the hanging ring.
2. The lifting device for dismounting the brake hub of the airplane as claimed in claim 1, wherein: the telescopic cantilever assembly comprises a cantilever sleeve, a telescopic arm which is sleeved in the cantilever sleeve in a sliding way, and a telescopic hand wheel which is rotatably arranged at the front end of the cantilever sleeve; the front end face of the cantilever sleeve is provided with a mounting hole, and a rotating shaft of the telescopic hand wheel penetrates through the mounting hole to be rotatably mounted in the cantilever sleeve and is rotatably connected to the telescopic arm.
3. The lifting device for dismounting the brake hub of the airplane as claimed in claim 1, wherein: the anti-back mechanism comprises a static sheet, a clutch moving sheet, a first bakelite pad, a ratchet wheel, a second bakelite pad and an elastic pawl, wherein the static sheet is coaxial with the winding drum rotating shaft and is fixedly arranged on the outer wall of the winding box; the stator is adjacent to the clutch moving plate, a key groove is formed in the inner ring of the clutch moving plate and matched with a key arranged on a rotating shaft of the winding drum, and the lifting hand wheel is rotatably installed on the outer side of the second bakelite pad.
4. A lifting device for dismounting an aircraft brake hub according to any one of claims 2 or 3, wherein: the front end of the frame is also provided with a steering wheel assembly, and the rear end of the frame is provided with a travelling wheel; the steering wheel assembly is connected with a traction rod.
5. The lifting device for dismounting the brake hub of the airplane as claimed in claim 4, wherein: the lifting assembly is fixed at the front part of the frame through a lifting assembly support, and the lifting assembly support is simultaneously connected with the frame, the cantilever support and the steering wheel assembly.
6. The lifting device for dismounting the brake hub of the airplane as claimed in claim 1, wherein: and reinforcing ribs are connected between the cantilever sleeve and the cantilever support, so that the cantilever sleeve in the horizontal direction, the cantilever support in the vertical direction and the oblique reinforcing ribs are connected into a stable triangular structure.
7. The lifting device for dismounting the brake hub of the airplane as claimed in claim 1, wherein: and a balancing weight is also arranged at the position above the lifting hook on the steel cable.
8. The lifting device for dismounting the brake hub of the airplane as claimed in claim 1, wherein: the telescopic boom assembly is wholly inclined upwards by 15 degrees.
9. The lifting device for dismounting the brake hub of the airplane as claimed in claim 2, wherein: the rotating shaft of the telescopic hand wheel is a screw, and the external thread of the screw is matched with the internal thread of the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120917768.0U CN215479360U (en) | 2021-04-29 | 2021-04-29 | Hoisting accessory that dismouting aircraft brake hub was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120917768.0U CN215479360U (en) | 2021-04-29 | 2021-04-29 | Hoisting accessory that dismouting aircraft brake hub was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215479360U true CN215479360U (en) | 2022-01-11 |
Family
ID=79776641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120917768.0U Active CN215479360U (en) | 2021-04-29 | 2021-04-29 | Hoisting accessory that dismouting aircraft brake hub was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215479360U (en) |
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2021
- 2021-04-29 CN CN202120917768.0U patent/CN215479360U/en active Active
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