Special tool for punching thick rubber sheet used for water seal device of gate of hydropower plant

Abstract

The invention discloses a special tool for punching of a rubber plate. The special tool consists of a guide body and two support plates, wherein the guide body is in a hollow cylinder shape, and the two support plates are symmetrically arranged at the two sides of the bottom end of the guide body, are vertical to the guide body, and are fixedly connected with the guide body to form a whole. The special tool has the advantages that the structure is simple, the size is small, the operation is easy, the flexibility in use is realized, the use requirement of the punching of thicker rubber plates on site is met, the positioning is quick, the displacement does not easily happen, the hole forming is regular, the quality is high, the punching and plugging are labor-saving and quick, the safety, quality and efficiency of operation are improved, the working strength is reduced, and the investment of workers is reduced.

Description

technical field [0001] The invention relates to a tool, in particular to a special tool for punching holes on thick rubber plates, especially for punching holes on thick rubber plates of water seal devices for gates of hydropower plants. Background technique [0002] The water seal device of the gate of the hydropower plant adopts rubber seal. The rubber water seal has been aging for a long time, loses its elasticity and wears seriously, so it should be replaced with a new one. When installing a new water seal, use the original water seal pressure plate to draw screw holes on the new rubber water seal, and then use a belt punch to punch holes. The hole diameter is 1-2MM smaller than the bolts, and hot holes are not allowed. And for the rubber seals that need punching, all are thicker rubber plates, and it is not an easy task to punch holes. In the punching work, one person uses a belt to punch to find the screw hole that is being drawn on the rubber plate water seal, and t...

AI Technical Summary

Problems solved by technology

However, in actual work, there are many problems in such a punching method, which are as follows: 1. Because the belt punch head is light and small, and the technical level of the hammer swing personnel is different, it often occurs that the punching personnel are smashed. It is an extremely unsafe phenomenon that the belt punch is smashed into the air

2. Since it is difficult to ensure that the belt punch is perpendicular to the rubber plate, the punched holes often have oblique holes

3. Due to the thick rubber and high elasticity, the punching is unstable, and it is difficult to hammer a hole. It often takes multiple hammerings to punch a hole, and the quality of the punched hole is not good.

4. The holes punched out by multiple hammering often deviate from the position of the original positioning hole, resulting in the gap between the holes punched out by the rubber plate and the hole spacing of the splint, which will bring difficulties to the installation of the splint in the future. Even the waste hole needs to be punched again

5. After the through hole is punched out on the rubber, due to the internal stress of the thick rubber plate, it is quite strenuous and difficult to take out the belt punched into the rubber plate

6. Punching is a strenuous job, which consumes a lot of energy

In order to ensure the progress of the work, many people are often involved in the work, and the work efficiency is low

Images