CN215394990U

CN215394990U - Gas compressor rotor decomposes hydraulic means

Info

Publication number: CN215394990U
Application number: CN202121469400.9U
Authority: CN
Inventors: 王力; 张光中; 陈洪敏; 闫文吉; 江宗明
Original assignee: Sichuan Tianli Technology Co ltd
Current assignee: Sichuan Tianli Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-04
Anticipated expiration: 2031-06-30

Abstract

The utility model provides a compressor rotor decomposition hydraulic device, which comprises a thrust device seat, a rotor and a rotor seat, wherein the thrust device seat is a cylindrical body with a hollow interior, the upper end of the thrust device seat is provided with a hole communicated with the hollow part, and the lower end of the thrust device seat is provided with a platform for placing a thrust device; the at least two hooks are uniformly distributed on the outer side wall of the upper part of the thrust device seat, and the bending direction of the hook arm at the upper part of the hook is the direction far away from the axis of the thrust device seat; the driving screw is rotationally clamped on the side wall of the thrust device seat and is in threaded connection with the claw; the loading cover is arranged at the upper end of the thrust device seat; the thrust device is arranged in the thrust device seat and used for pushing the loading cover to move up and down linearly; the screw is driven by positive and negative rotation, and the claw is far away from or close to the axis of the thrust device seat. The hydraulic decomposition device can protect the compressor rotor and the intermediary case unit body from being damaged as much as possible in the process of decomposing the compressor rotor and the intermediary case unit body.

Description

Gas compressor rotor decomposes hydraulic means

Technical Field

The utility model relates to a compressor rotor disassembling hydraulic device, and belongs to the field of assembling equipment.

Background

The assembly work is a later process in the manufacturing process of the aero-engine, occupies an important position in the whole production process, and is an independent production stage. The engine assembly process is not a simple stacking process of zero components, but is performed according to specified technical standards, technical requirements and a series of process procedures and quality control procedures of different complexity. These procedures are performed by the assembler using a special or universal tooling fixture. Whether the design of the tooling fixture for assembling the aero-engine is scientific and reasonable directly influences the assembly efficiency and the safety of the engine and also concerns the performance, the service life and the working reliability of the engine. Because the structures and the overall dimensions of various engines are different, and the working conditions, the technical requirements and the manufacturing precision of various components, parts and unit bodies are different, the assembling of the engines is usually carried out by 'custom-made' tool clamps.

After the test of the aero-engine is finished, the rotor bears large thermal load and centrifugal load, and the deformation and adhesion conditions often occur, so that the decomposition force of the compressor rotor is often obviously greater than the assembly force, and certain discreteness is presented. When the required resolution is excessive, the conventional tooling relies on the helical lift generated by the thread pairs to often be insufficient to separate the compressor rotor assembly from the intermediate case unit. In addition, the accurate measurement of the decomposition force has important reference significance for the analysis of test results of the aircraft engine and the improvement of the structure and the machining and manufacturing process.

How to break through the old rule, provide a simple structure reliable, convenient operation is swift, controllable novel device of output power size, the high-efficient safe separation of compressor rotor from the middle machine casket unit is internal when realizing aeroengine decomposition, is one of the engineering problems that the aeroengine assembly field is waited to solve urgently.

SUMMERY OF THE UTILITY MODEL

The utility model provides a compressor rotor decomposition hydraulic device for solving the problems, and aims to provide a compressor rotor decomposition hydraulic device which comprises: the hydraulic decomposition device can protect the compressor rotor and the intermediary case unit body from being damaged as much as possible in the process of decomposing the compressor rotor and the intermediary case unit body.

The utility model provides a compressor rotor decomposition hydraulic device for achieving the purpose, which comprises a thrust device seat, a rotor decomposition hydraulic device and a rotor decomposition hydraulic device, wherein the thrust device seat is a cylindrical body with a hollow inner part, the upper end of the thrust device seat is provided with a hole communicated with the hollow part, and the lower end of the thrust device seat is provided with a platform for placing a thrust device; the at least two hooks are uniformly distributed on the outer side wall of the upper part of the thrust device seat, and the bending direction of the hook arm at the upper part of the hook is the direction far away from the axis of the thrust device seat; the driving screw is rotationally clamped on the side wall of the thrust device seat and is in threaded connection with the claw; the loading cover is arranged at the upper end of the thrust device seat; the thrust device is arranged in the thrust device seat and used for pushing the loading cover to move up and down linearly; the screw is driven by positive and negative rotation, and the claw is far away from or close to the axis of the thrust device seat.

Furthermore, in order to monitor the pressure for the separation of the compressor rotor and the intermediary casing unit body, the thrust device is a hydraulic cylinder which is connected with a hydraulic pump and a pressure gauge.

Further, in order to enable all the claws to be far away from or close to the thrust device seat in the horizontal direction, the driving screw is horizontally arranged, and the axis of the driving screw is intersected with the axis of the thrust device seat.

Furthermore, in order to prevent the rotation of the claw, a horizontal guide hole for guiding the moving direction of the claw is formed in the side wall of the thrust device seat, and a horizontal bent part at the lower part of the claw extends into the guide hole.

Furthermore, in order to limit the maximum movement range of the hook claw, a limit pin is fixedly arranged on the horizontal bending part; the claw moves outwards to the maximum position, and the limit pin 8 just props against the side wall of the thrust device seat.

Furthermore, in order to realize that the driving screw is rotationally clamped on the thrust device seat and is rotated, the relative position of the driving screw and the thrust device seat does not change, the head of the driving screw is provided with an annular groove, a stop pin is fixedly arranged on the side wall of the thrust device seat, and the head of the stop pin is inserted into the annular groove.

Furthermore, in order to facilitate the thrust device to be put in or taken out of the thrust device seat, a window for installing the thrust device is formed in the side wall of the thrust device seat.

The utility model has the beneficial effects that:

1. the hydraulic decomposition device can protect the compressor rotor and the intermediary case unit body from being damaged as much as possible in the process of decomposing the compressor rotor and the intermediary case unit body.

2. The thrust device is a hydraulic cylinder, the hydraulic cylinder is connected with a hydraulic pump and a pressure gauge, and the pressure used for separating the compressor rotor from the intermediary casing unit body can be monitored.

3. The driving screw is horizontally arranged, and the axis of the driving screw is intersected with the axis of the thrust device seat, so that all the claws can be far away from or close to the thrust device seat in the horizontal direction.

4. The side wall of the thrust device seat is provided with a horizontal guide hole for guiding the moving direction of the claw, and the horizontal bent part at the lower part of the claw extends into the guide hole, so that the claw can be prevented from rotating.

5. A limiting pin is fixedly arranged on the horizontal bending part; the hook claw moves outwards to the maximum position, the limiting pin 8 just props against the side wall of the thrust device seat, and the maximum movement range of the hook claw can be limited.

6. The side wall of the thrust device seat is provided with a window for installing the thrust device, so that the thrust device can be conveniently put in or taken out from the thrust device seat.

Drawings

FIG. 1 is a schematic view of the present invention without the thrust unit.

Fig. 2 is a sectional view taken along line a-a in fig. 1.

Fig. 3 is a schematic view of the use of the present invention.

Fig. 4 is a schematic view of the fingers of the present invention in close proximity to a thrust device mount.

Fig. 5 is a schematic view of the fingers of the present invention away from the thrust unit mount.

In the figure: 1. a thrust device; 2. a thrust device seat; 2-1, a guide hole; 2-2, a window; 3. a hook claw; 3-1, claw arm; 3-2, horizontally bending; 4. a drive screw; 5. a loading lid; 6. a hydraulic pump; 7. a pressure gauge; 8. a spacing pin; 9. a retaining pin; 10. a compressor rotor; 11. an intermediate casing unit.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described with reference to the accompanying drawings.

A compressor rotor disassembly hydraulic apparatus as shown in fig. 1 to 5, comprises,

the thrust device seat 2 is a cylindrical body with a hollow interior, the upper end of the thrust device seat is provided with a hole communicated with the hollow part, and the lower end of the thrust device seat is provided with a platform for placing the thrust device 1;

four hooks 3 are uniformly distributed on the outer side wall of the upper part of the thrust device seat 2, and the bending direction of a hook arm 3-1 on the upper part of each hook 3 is the direction far away from the axis of the thrust device seat 2;

the driving screw 4 is rotationally clamped on the side wall of the thrust device seat 2 and is in threaded connection with the claw 3;

the loading cover 5 is arranged at the upper end of the thrust device seat 2;

the thrust device 1 is placed in the thrust device seat 2 and used for pushing the loading cover 5 to move up and down linearly;

the screw 4 is driven by positive and negative rotation, and the claw 3 is far away from or close to the axis of the thrust device seat 2.

Based on the above embodiment, the thrust device 1 is a hydraulic cylinder, and the hydraulic cylinder is connected with the hydraulic pump 6 and the pressure gauge 7.

Based on the above embodiment, the driving screw 4 is horizontally arranged and the axis of the driving screw 4 intersects with the axis of the thrust device seat 2.

Based on the above embodiment, the sidewall of the thrust device seat 2 is provided with a horizontal guide hole 2-1 for guiding the moving direction of the hook 3, and the horizontal bent portion 3-2 at the lower part of the hook 3 extends into the guide hole 2-1.

Based on the above embodiment, the horizontal bending part 3-2 is fixedly provided with the limit pin 8; the claw 3 moves outwards to the maximum position, and the limit pin 8 just props against the side wall of the thrust device seat 2.

Based on the above embodiment, the head of the driving screw 4 is provided with an annular groove, the side wall of the thrust device seat 2 is fixedly provided with the stop pin 9, and the head of the stop pin 9 is inserted into the annular groove.

Based on the above embodiment, the side wall of the thrust device seat 2 is provided with a window 2-2 for installing the thrust device 1.

Based on the above embodiment, the loading lid 5 includes a protrusion protruding downward, the protrusion extends into the hole at the upper end of the thrust device seat 2 and is in clearance fit with the inner wall of the hole at the upper end of the thrust device seat 2, and the arrangement can provide a certain guiding effect for the loading lid 5.

The decomposition hydraulic device comprises the following use steps:

step 1, rotating a driving screw 4 according to a cross method, and driving all the claws 3 to move inwards until the claws contact with the outer wall of the thrust device seat 2, as shown in fig. 4.

And 2, adjusting the claw 3 and then installing the claw to the position shown in the figure 3.

And 3, rotating the driving screw 4 again according to the cross method to drive all the claws 3 to move outwards and enable all the limiting pins 8 to abut against the outer wall of the thrust device seat 2, as shown in fig. 5.

And 4, placing a hydraulic cylinder in the thrust device seat 2, operating the hydraulic pump 6 to drive the hydraulic cylinder to act, enabling the movable end of the hydraulic cylinder to prop against the loading cover 5 until the compressor rotor 10 is ejected out of the medium casing unit body 11, and observing and recording the numerical value of the pressure gauge 7 at the separation moment.

And 5, taking out the hydraulic cylinder, removing the hydraulic pump 6, moving all the claws 3 to the innermost side, and taking down the hydraulic disassembling device.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A compressor rotor decomposes hydraulic means which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the thrust device seat (2) is a cylindrical body with a hollow interior, the upper end of the thrust device seat is provided with a hole communicated with the hollow part, and the lower end of the thrust device seat is provided with a platform for placing the thrust device (1);

the at least two hooks (3) are uniformly distributed on the outer side wall of the upper part of the thrust device seat (2), and the bending direction of a hook arm (3-1) at the upper part of each hook (3) is the direction far away from the axis of the thrust device seat (2);

the driving screw (4) is rotationally clamped on the side wall of the thrust device seat (2) and is in threaded connection with the claw (3);

the loading cover (5) is arranged at the upper end of the thrust device seat (2);

the thrust device (1) is placed in the thrust device seat (2) and used for pushing the loading cover (5) to move up and down linearly;

the screw (4) is driven to rotate positively and negatively, and the claw (3) is far away from or close to the axis of the thrust device seat (2).

2. The compressor rotor hydraulic disassembly apparatus of claim 1, wherein: the thrust device (1) is a hydraulic cylinder, and the hydraulic cylinder is connected with a hydraulic pump (6) and a pressure gauge (7).

3. The compressor rotor hydraulic disassembly apparatus of claim 1, wherein: the driving screw (4) is horizontally arranged, and the axis of the driving screw (4) is intersected with the axis of the thrust device seat (2).

4. The compressor rotor hydraulic disassembly apparatus of claim 3, wherein: the side wall of the thrust device seat (2) is provided with a horizontal guide hole (2-1) for guiding the moving direction of the hook claw (3), and a horizontal bent part (3-2) at the lower part of the hook claw (3) extends into the guide hole (2-1).

5. The compressor rotor hydraulic disassembly apparatus of claim 4, wherein: a limiting pin (8) is fixedly arranged on the horizontal bending part (3-2); the hook claw (3) moves outwards to the maximum position, and the limit pin (8) just props against the side wall of the thrust device seat (2).

6. The compressor rotor hydraulic disassembly apparatus of claim 1, wherein: the head of the driving screw (4) is provided with an annular groove, a stop pin (9) is fixedly installed on the side wall of the thrust device seat (2), and the head of the stop pin (9) is inserted into the annular groove.

7. The compressor rotor hydraulic disassembly apparatus of claim 1, wherein: and a window (2-2) for mounting the thrust device (1) is formed in the side wall of the thrust device seat (2).