CN220430518U

CN220430518U - Paddle hub assembly is with frame

Info

Publication number: CN220430518U
Application number: CN202321818506.4U
Authority: CN
Inventors: 迟晓剑; 崔佳俊; 韩磊; 刘强
Original assignee: Harbin Hongbo Aviation Equipment Co ltd
Current assignee: Harbin Hongbo Aviation Equipment Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-02-02
Anticipated expiration: 2033-07-11

Abstract

The utility model relates to a hub assembly type frame which comprises a bottom plate and a supporting plate positioned above the bottom plate, wherein the bottom plate is fixedly connected with the supporting plate through a plurality of supporting columns, a placing plate is arranged above the supporting plate, the top of the placing plate is rotationally connected with a positioning cylinder, a hub is sleeved on the periphery side of the positioning cylinder, the bottom of the placing plate is hinged with a plurality of connecting rods, the top of the supporting plate is provided with a plurality of top grooves, a screw rod is rotationally connected with the top grooves, the peripheral surface of the screw rod is in threaded connection with a screw block, the bottom ends of the connecting rods are hinged with the corresponding screw blocks, and a driving part is arranged below the supporting plate. The utility model relates to the technical field of hub assembly. The driving part can drive the screw rod to rotate when in work, so that a plurality of screw blocks are enabled to move, the connecting rod is driven to move and the placing plate is driven to vertically move, the height of the propeller hub is adjusted, an operator can conveniently assemble the front face and the back face of the propeller hub, and the labor intensity of the operator is reduced.

Description

Paddle hub assembly is with frame

Technical Field

The utility model relates to the technical field of hub assembly, in particular to a hub assembly bracket.

Background

Because aircraft part quantity is many, and the shape is complicated, and the degree of accuracy requires to be high, consequently need use the type frame when the assembly, add the restraint and provide the support, maintain accurate shape, guarantee accurate mutual position to reach the requirement of assembly degree of accuracy.

For example, chinese patent publication No. CN205293117U discloses a hub assembly jig for positioning, supporting and moving a helicopter moving part during assembly. When the main rotor hub and the tail rotor hub of various helicopters are assembled, the original tooling type frame adopts an integral connection mode, is not easy to quickly position and operate, meets the requirement of quick replacement before and after rotor hub assembly, occupies too many production line stations, and influences mass production. The utility model provides a high-efficiency positioning, supporting and moving type frame for assembling a propeller hub, which has a simple structure, is convenient to operate, can meet the requirement of a main propeller hub assembling process, ensures that the main propeller hub and the tail propeller hub are separated and positioned quickly after the type frame is assembled, and is beneficial to improving the quality and efficiency of the main propeller hub and the tail propeller hub assembling work.

However, the height of the hub is not adjustable in this patent, when the hub is assembled, parts are required to be mounted on the front and back sides of the hub, and the fixed height makes the operator need to squat for assembly when the operator installs the back side of the hub, and because the installation accuracy requirement of the hub is high, the operator often needs to squat for a long time for careful assembly, so that the labor intensity of the operator is greatly improved.

Disclosure of Invention

According to the defects existing in the prior art, the utility model aims to provide the hub assembly jig which has the effects of adjusting the height of a hub and reducing the labor intensity of operators.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a type frame for oar hub assembly, includes the bottom plate and is located through a plurality of support column fixed connection between bottom plate and the backup pad, the backup pad top is provided with places the board, place the board top and rotate and be connected with the positioning tube, the oar hub cover is in positioning tube periphery side, place the board bottom and articulate there is a plurality of connecting rod, a plurality of roof groove has been seted up at the backup pad top, the roof groove internal rotation is connected with the lead screw, lead screw outer peripheral face threaded connection has the screw block, the connecting rod bottom with correspond the screw block articulates mutually, just the backup pad below is provided with drive division.

Through above-mentioned technical scheme, through the backup pad, place board, roof groove, spiral shell piece and the cooperation of drive division, drive division during operation can drive the lead screw and rotate to make a plurality of spiral shell piece motion, drive the connecting rod motion and place the vertical motion of board, thereby adjusted the height of oar hub, make things convenient for operating personnel to assemble the oar hub positive and negative, reduced operating personnel's intensity of labour.

The present utility model may be further configured in a preferred example to: the drive part comprises a motor fixedly connected to the top of the bottom plate, a drive rod is connected to the output end of the motor in a transmission manner, a containing cavity is formed in the support plate, the drive rod rotates to penetrate through the bottom wall in the containing cavity and extends to the containing cavity, the outer peripheral surface of the drive rod is located in the containing cavity and fixedly connected with a drive bevel gear, a plurality of lead screws all extend to the containing cavity, one end of each lead screw located in the containing cavity is fixedly connected with a driven bevel gear, and a plurality of drive bevel gears all mesh with the driven bevel gear.

Through above-mentioned technical scheme, through motor, drive bevel gear and driven bevel gear's cooperation, the during operation of motor can drive a plurality of lead screw and rotate in step to make the vertical motion that places the board can be stable, and can not take place to incline or block.

The present utility model may be further configured in a preferred example to: the connecting rods are uniformly and annularly arranged.

Through above-mentioned technical scheme for place the board atress even, can not take place the slope.

The present utility model may be further configured in a preferred example to: a placing cavity is arranged in the positioning cylinder, an electric push rod is fixedly connected to the inner bottom wall of the placing cavity, a driving plate is fixedly connected to the output end of the electric push rod, a plurality of side grooves are arranged on the outer peripheral surface of the positioning cylinder, a fixing plate is slidably connected to the side grooves, a plurality of cross bars are fixedly connected to one side of the fixing plate, the corresponding transverse rods all slide through the inner side walls of the corresponding side grooves and extend into the placing cavity, one ends of the corresponding transverse rods located in the placing cavity are fixedly connected with a linkage plate, one side of the linkage plate is hinged with a rotating rod, and one ends, far away from the corresponding linkage plate, of the rotating rod are hinged with the driving plate.

Through above-mentioned technical scheme, through the cooperation of electric putter, side groove, fixed plate, linkage board and dwang, electric putter work drives fixed plate horizontal movement, contacts the inner peripheral surface of oar hub centre bore, fixes the oar hub, can fix the oar hub of different centre bore footpath, has improved the suitability of this device.

The present utility model may be further configured in a preferred example to: and the bottom of the bottom plate is provided with a plurality of universal wheels.

Through above-mentioned technical scheme, through the setting of universal wheel, made things convenient for operating personnel to shift this device.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. through backup pad, place board, roof groove, spiral shell piece, motor, drive bevel gear and driven bevel gear's cooperation, the motor during operation can drive the lead screw and rotate to make a plurality of spiral shell piece motion, drive the connecting rod motion and place the vertical motion of board, thereby adjusted the height of oar hub, made things convenient for operating personnel to assemble the positive and negative of oar hub, reduced operating personnel's intensity of labour.

2. Through the cooperation of electric putter, side groove, fixed plate, linkage board and dwang, electric putter work drives fixed plate horizontal movement, contacts the inner peripheral surface of oar hub centre bore, fixes the oar hub, can fix the oar hub of different centre bore footpath, has improved the suitability of this device.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is an enlarged view of fig. 1 at a of the present embodiment;

fig. 3 is an enlarged view of fig. 1B of the present embodiment.

In the figure, 1, a bottom plate; 2. a support plate; 3. placing a plate; 4. a positioning cylinder; 5. a connecting rod; 6. a top groove; 7. a screw rod; 8. a screw block; 9. a driving section; 91. a motor; 92. a driving rod; 93. a receiving chamber; 94. driving a bevel gear; 95. a driven bevel gear; 10. a placement cavity; 11. an electric push rod; 12. a driving plate; 13. a side groove; 14. a fixing plate; 15. a linkage plate; 16. a rotating lever; 17. and a universal wheel.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Examples:

referring to fig. 1 to 3, the hub assembly jig disclosed by the utility model comprises a bottom plate 1 and a supporting plate 2 positioned above the bottom plate 1, wherein the bottom plate 1 and the supporting plate 2 are fixedly connected through a plurality of supporting columns. A plurality of universal wheels 17 are arranged at the bottom of the bottom plate 1, so that the device is convenient for operators to transfer.

A placing plate 3 is arranged above the supporting plate 2, and the placing plate 3 is in a horizontal state. The top of the placing plate 3 is rotatably connected with a positioning cylinder 4, and the hub is sleeved on the peripheral side of the positioning cylinder 4 (shown in figure 1). The bottom of the placing plate 3 is hinged with a plurality of connecting rods 5. A plurality of top grooves 6 are formed in the top of the supporting plate 2, a screw rod 7 is connected in the top grooves 6 in a rotating mode, screw blocks 8 are connected to the outer peripheral surfaces of the screw rod 7 in a threaded mode, and the bottom ends of the connecting rods 5 are hinged to the corresponding screw blocks 8. The outer wall of the screw block 8 is attached to the inner wall of the corresponding top groove 6, so that the screw block 8 can only move horizontally.

A driving part 9 is provided below the support plate 2. The driving part 9 comprises a motor 91 fixedly connected to the top of the bottom plate 1, and a driving rod 92 is connected to the output end of the motor 91 in a transmission manner. The support plate 2 is provided with a receiving chamber 93 therein, and the driving rod 92 rotates through the inner bottom wall of the receiving chamber 93 and extends into the receiving chamber 93.

The driving bevel gear 94 is fixedly connected to the outer peripheral surface of the driving rod 92 at the position in the accommodating cavity 93. The lead screws 7 extend into the accommodating cavity 93, one end of each lead screw 7 located in the accommodating cavity 93 is fixedly connected with a driven bevel gear 95, and the driving bevel gears 94 are meshed with the driven bevel gears 95.

The motor 91 works to drive the driving rod 92 to rotate, the driving rod 92 rotates to drive the driving bevel gear 94 to rotate, the driving bevel gear 94 drives the driven bevel gear 95 to rotate, the driven bevel gear 95 drives the lead screw 7 to rotate, the lead screw 7 drives the screw block 8 to horizontally move, the screw blocks 8 synchronously move, and the moving directions of the screw blocks 8 are far away from the driving bevel gear 94 or are close to the driving bevel gear 94. The screw block 8 drives the connecting rod 5 to move, and the connecting rod 5 drives the placing plate 3 to vertically move, so that the height of the propeller hub is adjusted.

The connecting rods 5 are uniformly annularly arranged, so that the placing plate 3 is uniformly stressed and cannot incline.

A placing cavity 10 is formed in the positioning cylinder 4, an electric push rod 11 is fixedly connected to the inner bottom wall of the placing cavity 10, and a driving plate 12 is fixedly connected to the output end of the electric push rod 11. The outer peripheral surface of the positioning cylinder 4 is provided with a plurality of side grooves 13, a fixed plate 14 is connected in a sliding manner in the side grooves 13, one side of the fixed plate 14 away from the positioning cylinder 4 is provided with a rough surface, and friction force between the fixed plate 14 and the inner wall of a central hole of the propeller hub is improved.

One side of the fixing plate 14 is fixedly connected with a plurality of cross bars, the corresponding cross bars slide through the inner side walls of the corresponding side grooves 13 and extend into the placing cavity 10, and one ends of the corresponding cross bars in the placing cavity 10 are fixedly connected with a linkage plate 15. One side of the linkage plate 15 is hinged with a rotating rod 16, and one end of the rotating rod 16 away from the corresponding linkage plate 15 is hinged with the driving plate 12.

In the initial state, the fixing plate 14 is completely retracted into the corresponding side groove 13, so that the fixing plate 14 does not obstruct the hub sleeve on the outer periphery side of the positioning cylinder 4. The electric push rod 11 works to drive the driving plate 12 to move upwards, the driving plate 12 drives the rotating rod 16 to move, and the rotating rod 16 drives the linkage plate 15, the cross rod and the fixing plate 14 to move horizontally, so that the fixing plate 14 is close to the inner wall of the central hole of the hub to fix the hub.

The implementation principle of the embodiment is as follows:

firstly, a propeller hub is sleeved on the outer peripheral surface of a positioning cylinder 4, then an electric push rod 11 is started, the electric push rod 11 works to drive a driving plate 12 to move upwards, the driving plate 12 drives a rotating rod 16 to move, the rotating rod 16 drives a linkage plate 15, a cross rod and a fixing plate 14 to move horizontally, the fixing plate 14 is close to the inner wall of a propeller hub central hole, and the propeller hub is fixed. At the moment, the height of the hub is convenient for operators to assemble the upper part of the hub.

Then operating personnel assemble the oar hub top, start motor 91 work then, motor 91 work drives actuating lever 92 and rotates, actuating lever 92 rotates and drives drive bevel gear 94 and rotate, drive bevel gear 94 drives driven bevel gear 95 and rotates, driven bevel gear 95 drives lead screw 7 and rotates, lead screw 7 drives spiral shell piece 8 and moves towards the direction of keeping away from drive bevel gear 94, spiral shell piece 8 drives connecting rod 5 motion, connecting rod 5 drives and places board 3 vertical upward movement, thereby make operating personnel need not squat and can assemble the oar hub below.

Finally, the motor 91 is operated reversely to restore the initial height of the hub, and the electric push rod 11 is operated reversely to restore the initial position of the fixing plate 14, so that the hub can be removed.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a type frame for oar hub assembly, includes bottom plate (1) and is located backup pad (2) of bottom plate (1) top is through a plurality of support column fixed connection between bottom plate (1) and backup pad (2), its characterized in that: the utility model discloses a motor vehicle, including backup pad (2) top, backup pad (2) top is provided with places board (3), place board (3) top rotation and be connected with positioning tube (4), the oar hub cover is in positioning tube (4) periphery side, place board (3) bottom and articulate there are a plurality of connecting rod (5), a plurality of roof groove (6) have been seted up at backup pad (2) top, roof groove (6) rotation is connected with lead screw (7), lead screw (7) outer peripheral face threaded connection has screw block (8), connecting rod (5) bottom with correspond screw block (8) are articulated mutually, just backup pad (2) below is provided with drive portion (9).

2. The hub assembly jig of claim 1, wherein: the utility model provides a motor (91) at bottom plate (1) top is including fixed connection to drive portion (9), motor (91) output transmission is connected with actuating lever (92), has seted up in backup pad (2) and has held chamber (93), actuating lever (92) rotate and pass hold diapire in chamber (93) and extend to hold in chamber (93), just actuating lever (92) outer peripheral face is located hold chamber (93) department fixedly connected with drive bevel gear (94), a plurality of lead screw (7) all extend to hold in chamber (93), just lead screw (7) are located one end fixedly connected with driven bevel gear (95) that holds in chamber (93), a plurality of drive bevel gear (94) all with driven bevel gear (95) mesh mutually.

3. The hub assembly jig of claim 2, wherein: the connecting rods (5) are uniformly and annularly arranged.

4. A hub assembly jig according to claim 3, wherein: the utility model discloses a locating cylinder, including locating cylinder (4), place chamber (10) have been seted up in locating cylinder (4), place the inner bottom wall fixedly connected with electric putter (11) in chamber (10), electric putter (11) output fixedly connected with driving plate (12), a plurality of side slot (13) have been seted up to locating cylinder (4) outer peripheral face, sliding connection has fixed plate (14) in side slot (13), fixed plate (14) one side fixedly connected with a plurality of horizontal pole corresponds a plurality of horizontal pole and all slides and pass corresponding side slot (13) inside wall and extend to place in chamber (10), and correspond a plurality of horizontal pole and be located the joint fixedly connected with gangboard (15) of placing the one end in chamber (10), gangboard (15) one side articulates there is dwang (16), one end that the gangboard (15) were kept away from to dwang (16) articulates mutually with driving plate (12).

5. The hub assembly jig of claim 4, wherein: a plurality of universal wheels (17) are arranged at the bottom of the bottom plate (1).