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A hydraulic impact drill power device

A power unit, hydraulic impact technology, applied in the field of impact drilling

Active Publication Date: 2021-09-10
东台市高科技术创业园有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the above-mentioned problems existing when the existing hydraulic impact drill uses motors and gears as power and transmission components, the present invention proposes a hydraulic impact drill power device with a new structure

Method used

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  • A hydraulic impact drill power device
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  • A hydraulic impact drill power device

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Embodiment Construction

[0025] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0026] to combine figure 1 As shown, the hydraulic impact drill power device of this embodiment includes a housing 1 , a cylinder 2 and a piston 3 . Along the axial direction, two ends of the piston 3 are provided with a piston rod 41 and a guide rod 42 respectively, and the piston 3 drives the piston rod 41 and the guide rod 42 to move synchronously in the axial direction. Wherein, the piston rod 41 protrudes to the outside of the casing 1 in the axial direction, and is used for fixedly connecting with the percussion drill bit, thereby driving the percussion drill bit to perform actions. The guide rod 42 is slidably connected with the housing 1 to provide auxiliary guidance for the reciprocating movement of the piston 3 .

[0027] The casing 1 is a hollow structure, and the casing 1 is provided with a P port, a T1...

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Abstract

The invention belongs to the technical field of percussion drilling. The invention discloses a hydraulic impact drill power device, comprising a casing, a cylinder barrel and a piston. The casing is provided with a P port connected with an oil inlet pipe, and a T1 port and a T2 port connected with the oil outlet pipe. The cylinder barrel is located in the casing. Inside, the piston is located in the cylinder. The piston can move back and forth in the axial direction and rotate in the circumferential direction under the action of high-pressure oil. They are alternately communicated with high-pressure oil, so as to realize the automatic impact movement of the percussion drill bit driven by the piston through the piston rod. Using the hydraulic impact drill power device of the present invention to drive the impact drill bit to perform impact motion not only saves the use of motors and gears, has a simpler and more compact structure, reduces manufacturing and use costs, but also achieves a higher degree of integration. The volume of the whole impact drill is reduced, and the convenience of use is improved.

Description

technical field [0001] The invention belongs to the technical field of percussion drills, and in particular relates to a hydraulic percussion drill power device. Background technique [0002] In the current construction of bridges, ports, water conservancy and high-rise buildings, the drilling construction is characterized by complex strata, enlarged apertures, and deepened depths. For sand, gravel, boulder and bedrock, impact drilling Drilling is one of the most effective drilling methods, with high mechanical operation efficiency and good benefits. The hydraulic cylinder impact has the advantages of stable operation, low noise, convenient operation, labor saving, overload protection and automatic control, etc., and has been widely used. [0003] However, most of the existing hydraulic impact drills use a motor as a power element, and utilize gear transmission to control the impact movement of the drill bit. Such a structural form not only has high manufacturing costs, bu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B1/26
CPCE21B1/02
Inventor 邵玉刚
Owner 东台市高科技术创业园有限公司
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