CN216546785U

CN216546785U - Helicopter rotor auxiliary installation device

Info

Publication number: CN216546785U
Application number: CN202123123968.8U
Authority: CN
Inventors: 石拓; 杨帆
Original assignee: Shaanxi Helicopter Co ltd
Current assignee: Shaanxi Helicopter Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-05-17
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a helicopter rotor auxiliary installation device which comprises a base, wherein a helicopter inlet and outlet channel is arranged in the middle of the upper side of the base, U-shaped supports are arranged on two sides of the helicopter inlet and outlet channel, a horizontal moving assembly for driving the U-shaped supports to move horizontally is arranged between the base and the U-shaped supports, a lifting and hoisting assembly for lifting and hoisting a helicopter rotor is arranged on each U-shaped support, the lifting and hoisting assembly can be used for conveniently realizing power-assisted lifting of the rotor when the rotor is installed, the horizontal moving assembly is used for conveniently adjusting the position of the rotor in the horizontal direction, and the support rollers are matched with a walking slide rail to improve the movement stability of the U-shaped supports.

Description

Helicopter rotor auxiliary installation device

Technical Field

The utility model relates to the technical field of helicopter accessories, in particular to an auxiliary mounting device for a helicopter rotor wing.

Background

The rotor is the important part of helicopter, and in helicopter flight in-process, the rotor plays and produces lift and pulling force dual function, and not only so, the rotor still plays the effect similar to aircraft aileron, elevator. There are several types of rotors, mainly four: articulated rotor, no articulated rotor, half articulated rotor, no bearing formula rotor, when the paddle on the helicopter rotor is installed, because the paddle is longer, when carrying out paddle one end installation, need alone stand and hold up the paddle other end on removing the mounting bracket, make the paddle keep on same horizontal plane, nevertheless the paddle installation needs the certain time, and the manual work holds up the paddle and wastes time and energy relatively, and work efficiency is lower, and the station removes the mounting bracket and will hold up the paddle, relative danger.

Application number is CN 202022669460.7's helicopter rotor installation auxiliary structure relates to helicopter rotor installation field, including the pneumatic cylinder, the lower extreme of pneumatic cylinder is fixed with the base. In the utility model, an auxiliary mechanism is fixed on a movable mounting rack through a base;

however, the prior art has the following problems:

1. when the rotor wing is installed, the assisting lifting of the rotor wing is inconvenient to realize;

2. it is inconvenient to perform the position adjustment of the rotor in the horizontal direction.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve the above problems by providing an auxiliary mounting device for a helicopter rotor, which overcomes the drawbacks of the prior art and is described in detail below.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides an auxiliary mounting device for a helicopter rotor wing, which comprises a base, wherein a helicopter access passage is arranged in the middle of the upper side of the base, U-shaped supports are arranged on two sides of the helicopter access passage, a horizontal moving assembly for driving the U-shaped supports to horizontally move is arranged between the base and the U-shaped supports, and a lifting and hoisting assembly for hoisting and hoisting the helicopter rotor wing is arranged on each U-shaped support.

By adopting the structure, during use, the helicopter needing to be provided with the rotor wing can enter the helicopter access passage, the rotor wing is placed on the lifting and hoisting assembly after reaching the installation position, the rotor wing is driven to move upwards by the lifting and hoisting assembly, and the U-shaped support and the lifting and hoisting assembly are driven by the horizontal moving assembly to move close to the helicopter after moving to the height position needing to be installed, so that the fine adjustment of the position of the rotor wing is realized.

Preferably, the lifting and hoisting assembly comprises a hoisting plate, an electric hoist for driving the hoisting plate to ascend and descend is arranged above the hoisting plate, a U-shaped opening of the U-shaped support faces upwards, the upper end of the U-shaped support is fixedly connected with a top plate, and the electric hoist is fixedly arranged on the upper side of the top plate.

Preferably, the upper side of the hoisting plate is fixedly provided with two hanger rods in a V shape, the opening of each hanger rod faces downwards and is fixedly connected with the hoisting plate, a lifting cross rod is fixedly connected between the upper ends of the two hanger rods, lifting chutes are formed in the rods on two sides of the U-shaped support, two ends of the lifting cross rod are slidably connected into the lifting chutes, guide shafts are fixedly arranged in the lifting chutes, and lifting slide holes used for being matched with the guide shafts to slide are formed in the end portions of the lifting cross rod.

Preferably, the cross-sectional shape of the hoisting plate is V-shaped.

Preferably, the horizontal movement assembly comprises an electric telescopic rod fixedly arranged in the base, the push rod end of the electric telescopic rod is fixedly connected with the middle position of the bottom end of the U-shaped support, two guide rods symmetrically distributed by taking the electric telescopic rod as a center are arranged on two sides of the electric telescopic rod, and a sliding hole matched with the guide rods to slide is formed in the cross rod on the bottom side of the U-shaped support.

Preferably, a walking slide rail is arranged below the electric telescopic rod, one end of the walking slide rail is fixedly connected to the outer side wall of the base, a supporting roller is rotatably connected to the lower side of the joint of the U-shaped support and the push rod of the electric telescopic rod, and a walking groove matched with the supporting roller in a rolling manner is formed in the upper side of the walking slide rail.

Preferably, an outer cover shell is arranged on the outer side of the horizontal moving assembly, one side of the outer cover shell is fixedly arranged on the base, and a guide sliding groove matched with the side lever of the U-shaped support in a sliding mode is formed in the upper side of the base.

Has the advantages that: can be when the installation to the rotor through lifting and hoisting subassembly, be convenient for realize going up and down to the helping hand of rotor, the horizontal migration subassembly is convenient for carry out the position control of horizontal direction to the rotor, and the stability that U type support removed can be improved in the cooperation of supporting roller and walking slide rail.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of the present invention;

FIG. 2 is a left side view of FIG. 1 of the present invention;

fig. 3 is a perspective view of fig. 1 of the present invention.

The reference numerals are explained below: 1. a base; 2. a helicopter access passage; 3. a U-shaped bracket; 4. lifting and hoisting components; 401. hoisting the plate; 402. a boom; 403. a lifting cross bar; 404. a lifting chute; 405. a guide shaft; 406. an electric hoist; 5. a top plate; 6. an outer casing; 7. a horizontal movement assembly; 7a, a guide rod; 7b, supporting rollers; 7c, a walking slide rail; 7d, electrically telescoping the rod; 8. a guide chute.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

Referring to fig. 1-3, the utility model provides an auxiliary installation device for a helicopter rotor, which comprises a base 1, wherein a helicopter access passage 2 is arranged in the middle of the upper side of the base 1, U-shaped brackets 3 are arranged on two sides of the helicopter access passage 2, a horizontal moving assembly 7 for driving the U-shaped brackets 3 to horizontally move is arranged between the base 1 and the U-shaped brackets 3, and each U-shaped bracket 3 is provided with a lifting assembly 4 for lifting and descending the helicopter rotor.

Referring to the description and the accompanying

drawings

1 and 2, the lifting and hoisting assembly 4 comprises a hoisting plate 401, and the cross section of the hoisting plate 401 is V-shaped. The top of hoist and mount board 401 is provided with the electric block 406 that is used for driving its oscilaltion, and U type opening of U type support 3 is up and upper end fixedly connected with roof 5, and electric block 406 is fixed to be set up in the upside of roof 5. Through above-mentioned specific structure design, electric block 406 can drive hoist board 401 and reciprocate, and when hoist board 401 moved the extreme low position, hoist board 401's bottom side and base 1's upside butt to make things convenient for the staff to place the rotor on hoist board 401.

The fixed jib 402 that is the V type that is provided with two of hoisting plate 401's upside, the opening of every jib 402 down and with hoisting plate 401 fixed connection each other, fixedly connected with lift horizontal pole 403 between the upper end of two jibs 402, lift spout 404 has been seted up to 3 both sides poles of U type support, the both ends sliding connection of lift horizontal pole 403 is in lift spout 404, the lift spout 404 internal fixation is provided with guiding axle 405, the tip of lift horizontal pole 403 is offered and is used for cooperating the gliding lift slide opening of guiding axle 405. In practical application, the lifting plate 401 is driven by the electric hoist 406 to move up and down, and two ends of the lifting cross rod 403 axially slide up and down in the lifting chute 404 along the guide shaft 405.

Horizontal migration subassembly 7 is including the fixed electric telescopic handle 7d that sets up in base 1, and electric telescopic handle 7 d's push rod head end and the bottom middle part position of U type support 3 are fixed connection each other, and electric telescopic handle 7 d's both sides are provided with and use it as two guide bars 7a of central symmetric distribution, and the gliding slide opening of mutually supporting with guide bar 7a is seted up to the bottom side horizontal pole of U type support 3. Through the above specific structural design, the electric telescopic rod 7d can drive the U-shaped support 3 to move along the axial direction of the U-shaped support 3, so that the distance between the U-shaped support 3 and the base 1 can be adjusted.

The below of electric telescopic handle 7d is provided with walking slide rail 7c, and on walking slide rail 7 c's one end fixed connection to the lateral wall of base 1, U type support 3 rotated with electric telescopic handle 7 d's push rod junction downside and is connected with supporting roller 7b, and the upside of walking slide rail 7c is seted up and is rolled complex walking groove with supporting roller 7 b. The supporting rollers 7b and the walking slide rails 7c are matched to improve the moving stability of the U-shaped support 3.

The outside of horizontal migration subassembly 7 is provided with housing 6, and one side of housing 6 is fixed to be set up on base 1, and the gliding direction spout 8 of 3 side levers cooperation with U type support is seted up to base 1's upside.

Can be when the installation to the rotor through lift hoist and mount subassembly 4, be convenient for realize going up and down to the helping hand of rotor, horizontal migration subassembly 7 is convenient for carry out the position control of horizontal direction to the rotor, and the stability that U type support 3 removed can be improved in the cooperation of supporting roller 7b and walking slide rail 7 c.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a helicopter rotor assists installation device which characterized in that: including base (1), the upside middle part position of base (1) is provided with helicopter access way (2), the both sides of helicopter access way (2) are provided with U type support (3), are provided with between base (1) and U type support (3) and are used for driving horizontal migration's of U type support (3) horizontal migration subassembly (7), all are provided with on every U type support (3) and are used for carrying out hoist and mount lifting's lift hoist and mount subassembly (4) to the helicopter rotor.

2. A helicopter rotor auxiliary mounting apparatus according to claim 1, further comprising: the lifting and hoisting assembly (4) comprises a hoisting plate (401), an electric hoist (406) used for driving the hoisting plate to ascend and descend is arranged above the hoisting plate (401), a U-shaped opening of the U-shaped support (3) faces upwards, the upper end of the U-shaped support is fixedly connected with a top plate (5), and the electric hoist (406) is fixedly arranged on the upper side of the top plate (5).

3. A helicopter rotor auxiliary mounting apparatus according to claim 2, wherein: the upper side of hoist and mount board (401) is fixed to be provided with two jib (402) that are the V type, the opening of every jib (402) down and with hoist and mount board (401) fixed connection each other, fixedly connected with lift horizontal pole (403) between the upper end of two jib (402), lift spout (404) have been seted up to U type support (3) both sides pole, the both ends sliding connection of lift horizontal pole (403) is in lift spout (404), lift spout (404) internal fixation is provided with guiding axle (405), the tip of lift horizontal pole (403) is offered and is used for cooperating gliding lift slide opening of guiding axle (405).

4. A helicopter rotor auxiliary mounting apparatus according to claim 2, wherein: the cross section of the hoisting plate (401) is V-shaped.

5. A helicopter rotor auxiliary mounting apparatus according to claim 1, further comprising: horizontal migration subassembly (7) are including fixed electric telescopic handle (7d) that sets up in base (1), and the bottom middle part position of the push rod head end of electric telescopic handle (7d) and U type support (3) is fixed connection each other, and the both sides of electric telescopic handle (7d) are provided with two guide bars (7a) that use it as central symmetric distribution, and the gliding slide opening of mutually supporting with guide bar (7a) is seted up to the bottom side horizontal pole of U type support (3).

6. A helicopter rotor auxiliary mounting apparatus according to claim 5, wherein: the electric telescopic handle is characterized in that a walking slide rail (7c) is arranged below the electric telescopic handle (7d), one end of the walking slide rail (7c) is fixedly connected to the outer side wall of the base (1), a supporting roller (7b) is rotatably connected to the lower side of the joint of the U-shaped support (3) and the push rod of the electric telescopic handle (7d), and a walking groove matched with the supporting roller (7b) in a rolling mode is formed in the upper side of the walking slide rail (7 c).

7. A helicopter rotor auxiliary mounting apparatus according to claim 1, further comprising: the outer side of the horizontal moving component (7) is provided with an outer cover shell (6), one side of the outer cover shell (6) is fixedly arranged on the base (1), and a guide sliding groove (8) matched with the side rod of the U-shaped support (3) in a sliding mode is formed in the upper side of the base (1).