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A hydraulic breaker

A technology of hydraulic breaker and hydraulic hammer, which is applied in earth mover/excavator, construction, etc. It can solve the problems of full hydraulic hammer and gas-liquid hammer with insufficient flow, powerless blow, large hydraulic impact, and difficulty in pressing down nitrogen blast hammer.

Inactive Publication Date: 2017-10-03
赵德朝
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The purpose of the present invention is to solve the contradiction that the existing nitrogen blasting hammer is difficult to press down, the hydraulic impact is large, and the stroke stage does not consume oil, but the pump continuously supplies oil; Large hydraulic shock problem
Propose a New Type of Hydraulic Hammer

Method used

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Embodiment Construction

[0020] Main parts and components of the present invention:

[0021] 1. Crankcase 2. Eccentric wheel 3. Crankshaft 4. Eccentric wheel shaft 5. Gear 6. Cylinder block 7. Drilling rod 8. Drilling rod seat 11. Connecting rod 12. Connecting rod piston 13. Nitrogen chamber seal sleeve 14. Nitrogen chamber 15. Piston 16. Piston lower chamber 17. Drill rod rear sleeve 18. Drill rod front sleeve 19. Distribution plate 20. Check valve 21. Throttle valve 22. Reversing valve 23. Accumulator 24. Piston upper chamber.

[0022]At the moment of starting the hydraulic breaker, the piston 15 is at the farthest (dead point) from the crankshaft under the action of the nitrogen pressure in the nitrogen chamber 14. At this time, the piston lower chamber 16 and the hydraulic motor (used to drive the crankshaft 3 ) through high-pressure oil, under the action of the hydraulic motor through the crankshaft 3 connecting rod 11 and the high-pressure oil in the piston lower chamber 16, the piston 15 perfor...

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PUM

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Abstract

The invention discloses a hydraulic breaker, which comprises a drill rod seat, a drill rod, a drill rod front sleeve, a drill rod rear sleeve, a cylinder body, a piston, a nitrogen chamber sealing sleeve, a crankcase, a crankshaft, a connecting rod, a connecting rod piston, Motor, eccentric wheel, reversing valve, accumulator, valve plate, etc. The end of the piston away from the drill rod establishes a kinematic relationship through the connecting rod, crankshaft, gear and eccentric wheel. One end of the crankshaft is connected to the motor. There is a sealed cavity for storing gas between the piston and the cylinder, and the valve plate is installed on the crankshaft. The purpose of the present invention is to solve the contradiction that the nitrogen explosion hammer is difficult to press down, the hydraulic impact is large, the stroke stage does not consume oil, but the pump continuously supplies oil; the full hydraulic hammer and the gas-liquid hammer flow are insufficient to hit the phenomenon, the structure is complex, and the hydraulic impact big question.

Description

technical field [0001] The invention relates to a special engineering machinery hydraulic tool, in particular to a hydraulic breaking hammer. Background technique [0002] The hydraulic hammer integrates control valves, actuators, accumulators and other hydraulic components. The control valve and the actuator are controlled by mutual feedback to automatically complete the reciprocating motion of the piston and convert the pressure energy of the liquid into the impact energy of the piston. At present, the piston return movement of the hydraulic hammer on the market is completed by hydraulic force, and the stroke movement of the piston can be divided into nitrogen explosion hammer, full liquid hammer and gas-liquid hammer according to the source of the force during the stroke. three types. [0003] Working principle of nitrogen explosive hammer: Nitrogen explosive hydraulic hammer is referred to as nitrogen explosive hammer. The top of the piston is equipped with a nitrogen ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02F5/30
Inventor 赵德朝
Owner 赵德朝
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