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electric dilator

An expander and electric technology, which is applied in the field of disaster relief equipment, can solve the problems of inconvenient use and low operating efficiency, and achieve the effect of convenient modification and improved work efficiency

Active Publication Date: 2019-01-18
杭州盾成控股有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] After the oil circuit in the hydraulic cylinder in the existing expander enters the hydraulic cylinder body, it can only circulate in one direction, that is, it can only drive the piston to move forward, and the retreat of the piston can only be realized after manually draining the oil, which is very inconvenient to use and difficult to operate. very inefficient

Method used

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  • electric dilator
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Examples

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Embodiment Construction

[0042] Such as figure 1 As shown, the electric expander provided in this embodiment includes an expansion assembly 1, a hydraulic drive assembly 2, a reversing assembly 3, and an oil inlet assembly 4. The expansion assembly 1 includes two rotatably connected expansion pieces 11, and each expansion piece 11 has serrations 111 on the outside. The arrangement of the serrations 111 can increase the friction between the expansion piece and the working surface, and effectively prevent slipping during the expansion process. The hydraulic drive assembly 2 is connected with the expansion assembly 1 to drive the two expansion pieces to open or close. The reversing assembly 3 is connected with the hydraulic drive assembly 2 to provide the hydraulic drive assembly 2 with two oil circulations in opposite directions. The oil inlet assembly 4 is connected with the reversing assembly 3.

[0043] In this embodiment, the expansion assembly 1 further includes two expansion arms 12 detachably conne...

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PUM

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Abstract

The invention provides an electric expander. The electric expander comprises an expansion assembly, a hydraulic driving assembly, a reversing assembly and an oil feeding assembly. The expansion assembly comprises two expansion pieces which are connected rotatably, and saw teeth are arranged on the outer side of each expansion piece. The hydraulic driving assembly is connected with the expansion assembly to drive the two expansion pieces to open or close. The reversing assembly is connected with the hydraulic driving assembly and provides two oil circulations in opposite directions. The oil feeding assembly is connected with the reversing assembly.

Description

Technical field [0001] The invention relates to the technical field of disaster relief equipment, and in particular to an electric expander. Background technique [0002] The expander is the most powerful function of expansion, tearing and pulling in rescue tools. It can carry out high-load rescue operations. It can be used to move and lift obstacles, pry gaps and expand into channels, and deform metal structures. Tear the steel plate on the car body surface. The expander is an important tool in rescue and rescue, and it can obtain the best rescue opportunity for people in danger. [0003] The oil path in the hydraulic cylinder of the existing expander can only circulate in one direction after entering the hydraulic cylinder body, that is, it can only drive the piston forward, and the backward movement of the piston can only be realized after manual oil draining, which is very inconvenient to use and work. The efficiency is very low. In order to improve the efficiency of emergen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B15/14F15B15/20F15B13/04
CPCF15B13/0401F15B15/14F15B15/20F15B15/202
Inventor 王俊
Owner 杭州盾成控股有限公司