CN110815104A

CN110815104A - Lever for rocking high-pressure rotor

Info

Publication number: CN110815104A
Application number: CN201911129494.2A
Authority: CN
Inventors: 龙梅; 韩前宏; 崔毅
Original assignee: AECC Guizhou Liyang Aviation Power Co Ltd
Current assignee: AECC Guizhou Liyang Aviation Power Co Ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-02-21

Abstract

The invention discloses a rocker for a rocking high-pressure rotor, which comprises a gear rod, a rotating block and a plunger, wherein the gear rod comprises a rod body, a first gear and a second gear are respectively connected to two ends of the rod body, the rotating block is rotatably connected to a rotating shaft, a first claw and a second claw which are matched with the first gear are respectively arranged on the surface of the rotating block, the plunger is used for driving the rotating block to rotate around the rotating shaft, and one end of the plunger is tightly attached to the surface of the rotating block. According to the invention, the handle drives the plunger to move, so that the rotating block is driven to rotate, and the claw on the rotating block is meshed with the gear on the gear rod to finally drive the high-pressure rotor to rotate, so that the operation process is convenient and safe, and the operation difficulty and strength are reduced.

Description

Lever for rocking high-pressure rotor

Technical Field

The invention relates to nonstandard design and manufacture of tools used in assembly of engine parts, in particular to a wrench capable of enabling a high-pressure rotor as an engine part to swing randomly.

Background

When parts are arranged on the periphery of a part high-pressure rotor on an engine, the high-pressure rotor is fixed on a shaft, two ends of the shaft are fixed on a support, and the high-pressure rotor needs to rotate in order to operate the circumferential position of the high-pressure rotor. Manual rotation is not only unsafe but also does not allow control of the rotational position, thus requiring the manufacture of a wrench for cranking a high-pressure rotor.

Disclosure of Invention

The invention aims to provide a pull rod for rocking a high-pressure rotor, which meets the requirement of high-pressure rotor assembly, improves the safety and convenience of part assembly and reduces the labor intensity of workers.

In order to achieve the purpose, the invention adopts the following technical scheme:

a rocker for rocking a high-pressure rotor comprises,

the gear rod comprises a rod body, and a first gear and a second gear are connected to two ends of the rod body respectively;

the rotating block is rotatably connected to the rotating shaft, and the surface of the rotating block is provided with a first claw and a second claw which are matched with the first gear respectively;

and the plunger is used for driving the rotating block to rotate around the rotating shaft, and one end of the plunger is tightly attached to the surface of the rotating block.

Further, the first gear is a gear with rectangular teeth, and the second gear is a gear with spline teeth.

Further, be provided with the bush of being connected with the body of rod between first gear and the second gear, the external diameter of bush satisfies with high-pressure rotor centre bore clearance fit, the hole internal diameter of bush satisfy with the body of rod clearance fit of gear pole.

Furthermore, a second pin which is vertical to and penetrates through the rod body is arranged on the rod body, and the second pin is located between the first gear and the bushing.

Furthermore, the section of the rotating block perpendicular to the rotating shaft is triangular, and the first claw and the second claw are respectively arranged at two vertexes of the triangle.

Preferably, the wrenching lever for cranking the high-pressure rotor further comprises a plate, one end of the plate is rotatably connected with the gear rod, and the other end of the plate is connected with the handle;

the clamping plate is positioned above the plate and fixedly connected with the plate, one end of the clamping plate is rotatably connected with the gear rod, and a cavity for accommodating the rotating block, the plunger and the rotating shaft is arranged between the clamping plate and the plate;

and the spring is arranged in the cavity, one end of the spring is connected with the plunger and provides acting force for the plunger to cling to the surface of the rotating block, and the other end of the spring is connected with the plate or the clamping plate.

Furthermore, the rotating shaft is a first pin, and the first pin penetrates through the clamping plate and the plate and is fixed on the clamping plate and the plate through split pins.

Furthermore, a groove is formed in the plate, and the plunger and the spring are located in the groove.

Compared with the prior art, the invention solves the assembly problem of the swing high-pressure rotor, saves labor in assembly, ensures the assembly quality, improves the efficiency of the assembly process, and saves time and labor. The invention is particularly suitable for a structure with a small rotation angle during assembly, and can realize the rotation assembly through the small-amplitude rotation of the handle.

Drawings

FIGS. 1 and 2 are schematic views of the structure of a trigger;

in the figure: 1. the novel jaw wrench comprises a plate, 2, a clamping plate, 3, a gear rod, 3a rectangular tooth, 3b spline tooth, 4, a rotating block, 4a, a first jaw, 4b, a second jaw, 2 and 5 plungers, 6, a first pin, 7, a bush, 8, a second pin, 9, a cotter pin, 10, a washer, 11, a handle, 12, a spring and 13, and rivets.

Detailed Description

The technical solution of the present invention is further explained below with reference to the accompanying drawings, but the claimed protection scope is not limited to the above.

As shown in fig. 1-2, the lever for rocking a high-pressure rotor mainly comprises a plate 1, a clamping plate 2, a gear rod 3, a rotating block 4, a plunger 5, a first pin 6, a bushing 7, a second pin 8, a cotter pin 9, a gasket 10, a handle 11, a spring 12 and a rivet 13, wherein the plate 1 and the clamping plate 2 are fixed by the rivet 13, and a cavity for accommodating the first gear, the rotating block 4, the plunger 5 and the spring 12 is arranged between the plate 1 and the clamping plate 2.

The gear rod 3 is a key shaft for transmitting torque and mainly comprises a rod body, a first gear and a second gear, wherein the surface of the first gear at the upper end of the rod body is provided with rectangular teeth 3a meshed with a first claw 4a or a second claw 4b on the rotating block 4, the first gear is driven to rotate by the rotating block 4 through the meshing of the first claw 4a or the second claw 4b and the rectangular teeth 3 a. The lower end of the rod body is provided with a second gear which is meshed with the spline grooves of the parts and is provided with spline teeth 3b, and the second gear is meshed with the spline grooves at the center of the high-pressure rotor to drive the high-pressure rotor to rotate.

The rotating block 4 is in a triangular prism shape and is rotatably connected to a first pin 6 serving as a rotating shaft, one end of the first pin 6 is connected to the clamping plate 2 through a cotter pin 9 and a gasket 10, and the other end of the first pin is limited on the plate 1 through the head. Two claws, i.e., a first claw 4a and a second claw 4b, are attached to the surface of the rotary block 4, and the first claw 4a and the second claw 4b are respectively provided at two apexes of a triangular prism-shaped cross section. The operator controls the rotation direction of the gear lever 3 by manually moving the rotary block 4 such that the first claw 4a or the second claw 4b thereof is brought into contact with the groove of the rectangular tooth 3a of the first gear at the upper end of the gear lever 3.

The plate 1 and the clamping plate 2 form a clamping structure, and the plunger 5, the rotating body 4 and the spring 12 are positioned between the two, wherein the plunger 5 and the spring 12 are arranged in a groove processed on the plate 1, so that the plunger 5 and the spring 12 can be driven to rotate together when the plate 1 rotates. The plunger 5 is connected with the plate 1 through the spring 12, one end of the plunger 5 is always tightly attached to the surface of the rotating block 4, and the plunger 5 rotates through the rotation of the plate 1 so as to drive the rotating block 4 to stir the first gear with the rectangular teeth 3a on the gear rod 3 to rotate.

The bush 7 is used as a positioning and supporting part, the outer diameter surface of the bush is in clearance fit with the center hole of the high-pressure rotor, and the inner hole of the bush is in clearance fit with the rod body of the gear rod 3 to drive the high-pressure rotor to rotate together.

A pin 8 is mounted on the gear rod 3 for preventing the bush 7 from moving axially along the gear rod 3.

The spring 12 is used for connecting the plate 1 and the plunger 5, and ensures that the plunger 5 is permanently propped against the rotating block 4, and then the claw on the rotating block 4 pushes the side wall of the rectangular tooth 3a at the upper end of the gear rod 3, so that the gear rod 3 is pushed to rotate.

During in-service use, insert the gear part of gear pole 3 in the spline groove at part center, laminate one of them claw on rotatory piece 4 with the upper end rectangle tooth's socket inner wall on the gear pole 3, when pulling handle 11 this moment, it is rotatory to drive board 1, thereby 5 plungers fixed on board 1 at this moment promote rotatory piece 4 to rotate around first pin 6 and stir the rectangle tooth 3a rotation of gear pole 3, gear pole 3 rotates and drives high-pressure rotor through spline tooth 3b and rotates, realize high-pressure rotor's rotation. When the high-pressure rotor rotates to a required position, the handle 11 stops rotating, and at the moment, the first claw 4a or the second claw 4b of the rotating block 4 is clamped in the tooth groove of the rectangular tooth 3a to clamp the gear rod 3 to rotate, so that the rotating position of the high-pressure rotor is ensured.

Claims

1. Rocking high-pressure is pull rod for rotor, its characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the gear rod (3) comprises a rod body, and a first gear and a second gear are connected to two ends of the rod body respectively;

the rotating block (4) is rotatably connected to the rotating shaft, and a first claw (4a) and a second claw (4b) matched with the first gear are respectively arranged on the surface of the rotating block (4);

the plunger (5) is used for driving the rotating block (4) to rotate around the rotating shaft, and one end of the plunger (5) is tightly attached to the surface of the rotating block (4).

2. The rocker paddle for a high pressure rotor of claim 1, wherein: the first gear is a gear with rectangular teeth (3a), and the second gear is a gear with spline teeth (3 b).

3. The rocker paddle for a high pressure rotor of claim 1, wherein: be provided with between first gear and the second gear with body of rod connection's bush (7), the external diameter of bush (7) satisfy with high-pressure rotor centre bore clearance fit, the hole internal diameter of bush (7) satisfy with the body of rod clearance fit of gear pole (3).

4. The rocker paddle for a high pressure rotor of claim 3, wherein: and a second pin (8) which is vertical to and penetrates through the rod body is arranged on the rod body, and the second pin (8) is positioned between the first gear and the bushing (7).

5. The rocker paddle for a high pressure rotor of claim 1, wherein: the section of the rotating block (4) perpendicular to the rotating shaft is triangular, and the first claw (4a) and the second claw (4b) are respectively arranged at two vertexes of the triangle.

6. The rocker paddle for a high pressure rotor of claim 1, wherein: also comprises the following steps of (1) preparing,

one end of the plate (1) is rotatably connected with the gear rod (3), and the other end of the plate (1) is connected with the handle (11);

the clamping plate (2) is positioned above the plate (1) and fixedly connected with the plate (1), one end of the clamping plate (2) is rotatably connected with the gear rod (3), and a cavity for accommodating the rotating block (4), the plunger (5) and the rotating shaft is arranged between the clamping plate (2) and the plate (1);

and the spring (12) is arranged in the cavity, one end of the spring (12) is connected with the plunger (5) and provides acting force for the plunger (5) to cling to the surface of the rotating block (4), and the other end of the spring (12) is connected with the plate (1) or the clamping plate (2).

7. The rocker paddle for a high pressure rotor of claim 6, wherein: the plate (1) is provided with a groove, and the plunger (5) and the spring (12) are positioned in the groove.

8. The rocker paddle for a high pressure rotor of claim 6, wherein: the rotating shaft is a first pin (6), and the first pin (6) penetrates through the clamping plate (2) and the plate (1) and is fixed on the clamping plate (2) and the plate (1) through a split pin (9).