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A large-scale rocket engine and support overall flip fixture

A large-scale rocket and flipping fixture technology, which is applied in engine testing, vibration testing, machine/structural component testing, etc., can solve the problems of no flipping fixture and method flipping, and achieve low cost, strong operability, and guaranteed safety Effect

Active Publication Date: 2020-03-10
TIANJIN AEROSPACE RELIA TECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the overall size of the engine and bracket reaches 3500mm×3500mm×3000mm, and the mass is about 3000kg, there is no suitable flipping fixture and method to realize the flipping of the product

Method used

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  • A large-scale rocket engine and support overall flip fixture
  • A large-scale rocket engine and support overall flip fixture
  • A large-scale rocket engine and support overall flip fixture

Examples

Experimental program
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Embodiment Construction

[0020] Below, the substantive features and advantages of the present invention will be further described in conjunction with examples, but the present invention is not limited to the listed examples.

[0021] see Figure 1-4 As shown, a large-scale rocket engine and support overall flip fixture, including:

[0022] The engine connection main frame 4, the main body of the engine connection main frame is a cylindrical structure, including a plurality of annular plates 41 spaced apart from the coaxial center and a plurality of axially evenly spaced connections connecting the annular plates together Rod 42, the two ends of the engine connected to the main frame are respectively connected to two suspension ropes 2 through detachable clamps 3, and every two suspension ropes 2 are detachably connected to a suspension beam 1, and the engine is connected to the main frame. The rack mounting surface of the frame 4 is provided with a plurality of rack mounting surface pads 5, and the in...

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PUM

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Abstract

The invention discloses a large rocket engine and support integral overturn fixture, which comprises an engine connection main frame and is characterized in that a main body of the engine connection main frame is of a cylindrical structure and comprises a plurality of annular plates which are coaxially arranged at intervals and a plurality of connecting rods which are uniformly arranged at intervals in the axial direction and connect the annular plates together, both ends of the engine connection main frame are connected with two lifting ropes through detachable clamping apparatuses, each two of the lifting ropes are detachably connected with a lifting beam, a rack mounting surface of the engine main frame is provided with a plurality of rack mounting surface cushion blocks, and the inner side and the outer side of each rack mounting cushion block are detachably provided with a rack mounting surface connecting flange and a rack mounting surface reverse-side connecting flange respectively. The fixture disclosed by the invention realizes integral single-arm overturn of a large-size high-mass rocket engine and a support thereof, the overturn process is stable and controllable, and the safety of the engine is ensured. The large rocket engine and support integral overturn fixture has the advantages of high operability and low cost.

Description

technical field [0001] The invention belongs to the technical field of large-scale spacecraft mechanical environment tests, and in particular relates to a large-scale rocket engine and a support overall flip fixture. Background technique [0002] When the rocket engine is subjected to mechanical environmental test assessment, due to factors such as insufficient vibration equipment thrust, generally only a single machine with relatively small mass and size is used as the test piece. With the development of high-thrust shaking tables and the maturity of vibration test technology, the boundary of mechanical environmental test assessment has become more realistic. A large-scale rocket multi-machine parallel engine and support needs to be assessed by mechanical environmental test as a whole. During the test, the engine and bracket need to be connected to the vibrating table fixture in the form of an undercut opposite to the installation direction of the rocket body, and the engin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M15/02G01M7/02
CPCG01M7/027G01M15/02
Inventor 王晓森淡丽艳贺译贤陶林王志浩许帅
Owner TIANJIN AEROSPACE RELIA TECH
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