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Convenient hydraulic electrohydraulic hammer

An electro-hydraulic hammer and hydraulic technology, which is applied in the direction of power hammer, light impact tool, hammer driving device, etc., can solve the problems of large buffer piston outer diameter, high equipment height, easy failure, etc., and achieve the overall height reduction and convenient maintenance , the effect of structural simplification

Inactive Publication Date: 2009-01-21
ANYANG FORGING PRESS MACHINERY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This new technology simplifies the process by eliminating multiple components altogether while reducing its size. It also makes it easier for users to fix problems when replacing damaged equipment due to lack of spare parts. Additionally, this innovation allows for easy replacement without having to remove all important hardware elements like an electric motor controllers (ECMs) used during repairs.

Problems solved by technology

This technical problem addressed in this patented describes various aspects related to improving the performance (weight reduction) and efficiency of electric tools while reducing their size.

Method used

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  • Convenient hydraulic electrohydraulic hammer
  • Convenient hydraulic electrohydraulic hammer
  • Convenient hydraulic electrohydraulic hammer

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Embodiment Construction

[0021] Please refer to the structural representation of the convenient hydraulic electro-hydraulic hammer of the present invention shown in Fig. 2 and image 3As shown in the partial enlarged view, the hydraulic electro-hydraulic hammer includes a base 1, a hydraulic source 2, an oil cylinder 3, a hammer rod 5 with a hammer head 4 at the lower end of the inner cavity of the oil cylinder 3, a valve sleeve 6, and a valve sleeve 6. The follow-up valve 7 and the spool 8 provided by sliding in the inner chamber of the follow-up valve 7, the upper end of the spool 8 is connected with the spool control rod 81, the inner cavity of the follow-up valve 7 at the bottom of the spool 8 is a low-pressure passage 90, and the hammer rod 5. The upper end is connected to the piston 9. The upper and lower ends of the piston 9 have an upper cylinder chamber 10 and a lower cylinder chamber 11. The effective working area of ​​the piston 9 in the upper cylinder chamber 10 is larger than that in the l...

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Abstract

The invention provides a portable hydraulic electro-hydraulic hammer, comprising a base, hydraulic source, an oil cylinder, a hammer head and a hammer rod, a valve body, a tracing valve and a valve core; the upper end of the hammer rod is connected with a piston; the upper end and the lower end of the piston are provided with an upper cylinder chamber and a lower cylinder chamber; the effective working area of the upper cylinder chamber is more than the effective working area of the lower cylinder chamber; the upper part and the lower part of the oil cylinder wall are respectively provided with a plurality of through holes; the oil cylinder is sheathed in the internal chamber of an external cylinder; the external cylinder passes through the base; the external cylinder is provided with a connecting pipe at the lower part of the base; the medium of the hydraulic source enters the internal chamber of the oil cylinder through a connecting pipe and the through holes below the oil cylinder; the upper end of the external cylinder is connected with a nut by screw thread; a damping device is arranged between the upper end of the oil cylinder and the nut; the medium of the hydraulic source enters the damping device through a pipeline and an oil inlet of the external cylinder; a valve sleeve is arranged inside the valve body which is arranged on a valve seat; the lower end of the base is communicated with the oil tank by an oil pipeline; the tracing valve wall is provided with a through hole. The portable hydraulic electro-hydraulic hammer of the invention has simple structure, convenient maintenance and smaller volume.

Description

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Claims

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Application Information

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Owner ANYANG FORGING PRESS MACHINERY IND
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