Rapid repairing method for rocket sled sliding rail fastener

A repair method and technology for rocket skids are applied in the field of quick repair of rocket skid slide rail fasteners, which can solve the problems of high construction input cost and long construction time for bolt replacement.

Active Publication Date: 2021-07-09
3TH ENG CO LTD OF CHINA RAILWAY CONSTR 11TH BUREAU GRP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After replacing the new bolts, the rails need to be installed again. Therefore, once the bolts on the rocket pry rails are broken and replaced, the entire bolt replacement will take a long time and the construction investment cost will be high.

Method used

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  • Rapid repairing method for rocket sled sliding rail fastener
  • Rapid repairing method for rocket sled sliding rail fastener
  • Rapid repairing method for rocket sled sliding rail fastener

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] S00: Record the temperature of the on-site construction slide rail, and make a temporary displacement observation mark of the slide rail;

[0037] If there is only one broken bolt, directly perform step S01;

[0038] S01: determine the bolt fracture location;

[0039] S02: Removing the damaged bolts embedded in the C-plate from the upper surface of the C-plate;

[0040] S03: positioning the bolt to be replaced in the base;

[0041] S04: Solder the base on the C board;

[0042] S05: Knock off the welding slag, check whether there is an unwelded state, if there is an unwelded state, return to S04.

[0043] If there is only one broken bolt, and the broken bolt is a point damage, it is only necessary to make a temporary displacement observation mark of the slide rail to judge whether the slide rail has shifted during the bolt replacement process.

Embodiment 2

[0045] S00': record the temperature of the on-site construction slide rail, and make a temporary displacement observation mark of the slide rail;

[0046] If there are at least two broken bolts, and the two bolts are not adjacent, directly execute step S01;

[0047] S01: determine the bolt fracture location;

[0048] S02: Removing the damaged bolts embedded in the C-plate from the upper surface of the C-plate;

[0049] S03: positioning the bolt to be replaced in the base;

[0050] S04: Solder the base on the C board;

[0051] S05: Knock off the welding slag, check whether there is an unwelded state, if there is an unwelded state, return to S04.

[0052]If there are at least two broken bolts, and there are normally used bolts between every two broken bolts, it means that the binding force of the bolts on the slide rail has not been greatly affected, and each broken bolt belongs to point damage, and only It is necessary to make a temporary displacement observation mark of th...

Embodiment 3

[0054] S00": If there are at least two broken bolts and the two bolts are adjacent, the temperature of the slide rail is locked at 20° to 50°;

[0055] S01: determine the bolt fracture location;

[0056] S02: Removing the damaged bolts embedded in the C-plate from the upper surface of the C-plate;

[0057] S03: positioning the bolt to be replaced in the base;

[0058] S04: Solder the base on the C board;

[0059] S05: Knock off the welding slag, check whether there is an unwelded state, if there is an unwelded state, return to S04.

[0060] Once two adjacent bolts are broken, a large amount of heat will be generated when the base is welded to the C plate, and this heat will cause the internal stress of the rail to be unbalanced, thereby causing a small range of deflection of the rail. This deviation will cause the horizontal or vertical direction of the slide rail to deviate, which in turn makes the rocket sled slide rail experiment unable to run at high speed. On the othe...

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PUM

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Abstract

The invention relates to a rapid repairing method for a rocket sled sliding rail fastener. The rapid repairing method comprises the steps that S01, the bolt fracture position is determined; S02, a damaged bolt pre-buried in a C plate is cut off from the upper surface of the C plate; S03, the to-be-replaced bolt is positioned in a base; S04, then the base is welded to the plate C; and S05, the welding slag is knocked off, whether a non-welding-on state exists or not is checked, and if the non-welding-on state exists, S04 is executed again. According to the rapid repairing method for the rocket sled sliding rail fastener, the damaged bolt fastener can be rapidly repaired, and the rocket sled maintenance cost is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of rocket skid slide rail maintenance, in particular to a rapid repair method for rocket skid slide rail fasteners. Background technique [0002] The rocket sled is a large-scale ground dynamic test system that uses the rocket engine as power to drive the rocket sled forward at high speed on a dedicated track to obtain test data. There are two types of slide rails for rocket sleds: single rail and double rail. The rocket sled slide rail is a high-precision large-scale ground dynamic simulation test equipment. It can complete the rocket sled test together with the sled and test equipment. The rocket engine drives the sled carrying the test piece to run along the slide rail, so that the sled and the test The test piece can reach the speed required by the test, so as to carry out quantitative measurement and qualitative analysis on the test piece under simulated environmental conditions. During the ground dyn...

Claims

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Application Information

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IPC IPC(8): B23P6/04
CPCB23P6/04
Inventor 王朝刚张正陈本见朱建富杨务龙
Owner 3TH ENG CO LTD OF CHINA RAILWAY CONSTR 11TH BUREAU GRP
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