Multi-layer composite drill bit assembly for ditching work

A drill bit assembly, multi-layer composite technology, used in construction, earthmoving machines/shovels, etc., can solve the problems of limited drilling surface, single structure, low drilling strength of drill bits, etc., to achieve good ditching effect and increase The effect of the trench area

Active Publication Date: 2020-10-27
安徽腾兴工程设备制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The current trenching bit structure is relatively simple, and the perforating surface is limited. Workers need to clean up the soil between the counterbores in the later stage, and the drilling

Method used

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  • Multi-layer composite drill bit assembly for ditching work
  • Multi-layer composite drill bit assembly for ditching work
  • Multi-layer composite drill bit assembly for ditching work

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Embodiment Construction

[0021] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0022] Such as figure 1 As shown, the multi-layer composite drill bit assembly for trenching operation, the drill bit assembly includes an assembly frame 1, the top of the assembly frame 1 is detachably connected to the drive assembly, and the bottom surface bearing of the assembly frame 1 is connected to the cutter head assembly 2, the The drive assembly is connected to the cutter head assembly 2 through transmission, and the drive assembly is used to drive the rotation of each cutterhead in the cutter head assembly 2; the assembly frame and the drive assembly are detachably connected, so that the drill bit assembly and th...

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Abstract

The invention provides a multi-layer composite drill bit assembly for ditching work. The multi-layer composite drill bit assembly for ditching work comprises an assembly frame. The top of the assemblyframe is detachably connected with a drive assembly, a bottom face bearing of the assembly frame is connected with a tool bit assembly, the drive assembly is in transmission connection with the toolbit assembly, and the drive assembly is used for driving all cutterheads in the tool bit assembly to rotate. The tool bit assembly comprises the multiple cutterheads, the cutterheads are arranged intoan inverted pyramid layer by layer from top to bottom, the cutterheads on each layer are transversely distributed horizontally, all the cutterheads between the adjacent layers are mutually staggered,and all the cutterheads located on the same layer are mutually spaced. The drill bit assembly can be overall replaced according to the area of a working face, it is not needed to adjust a whole drilling machine, the equipment can be modularly assembled, and the application range is wider; and by means of the cutterheads distributed on multiple layers, on one hand, the ditching area can be increased, on the other hand, multi-cutting can be achieved, and the ditching effect is better.

Description

technical field [0001] The invention belongs to the technical field of drill equipment, in particular to a multi-layer composite drill assembly for ditching operation. Background technique [0002] There are many types of trenching operations, mainly including sinking, sinking mixing or hanging excavation operations. During trenching operations, a drilling rig is required to drill the required holes (grooves) on the surface; the working process of the drilling rig is roughly as follows: top The driving mechanism drives the drill rod to move downward while rotating, and the drill rod drives the drill bit at the bottom to dive, and the drill bit breaks the soil and impurities in the ground, so as to open a hole at the required depth; [0003] The current trenching bit structure is relatively simple, and the perforating surface is limited. Workers need to clean up the soil between the counterbores in the later stage, and the drilling strength of the bit is not high, which canno...

Claims

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Application Information

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IPC IPC(8): E02F5/02E02F5/08E02F5/14
CPCE02F5/02E02F5/08E02F5/14
Inventor 简永海
Owner 安徽腾兴工程设备制造有限公司
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