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|Name:||Eccentric Drilling Tool||Application:||Assist With Drill Machine|
|Type:||Follow-up Casing Drilling Tool||Diameter:||89-127mm|
|Useg:||Breaking The Stratum||Package:||Wooden|
rotary drilling tools,
water drilling tools
Eccentric Drill Tool Drilling Rig Tools For Complicated Formation Reduce Labor
1. Drilling rigs tools including various types of drill pipe, casing, eccentric pipe drilling tools, concentric drilling tools and DTH hammer, etc., to meet the construction needs of different use.
2. The anchor drill rod is mainly adapted to the demand of the submerged hole hammer impact rotary drilling, and has the advantages of large rigidity, good sealing performance and external flatness, and the advantages of low torque and low resistance during rotation. It has various specifications such as φ73 and φ89.
3. The eccentric heel drill pipe and casing can be used with the DTH hammer, which is an effective method to overcome the complicated formation drilling such as loose, broken, sand and gravel. It can be applied to drill holes requiring casing retaining wall from horizontal to vertical, and is widely used in construction of anchor holes and drainage holes.
4. These drill tools have modular combination design,the installation is very easy and convenient,it is also easy to transport.
These products are reliable,they have stable performance and can fulfill various drilling construction,such as DTH hammer,drilling with casing and RC drilling.
Follow-up casing drilling tool with the aid of DTH hammer, eccentric underreaming bit and follow-up casing is used to effectively drill holes in complicated formation such as loose ground, crash layer and gravel etc. These holes often need protecting hole wall.
This should be match with DTH hammer and casing pipe.
This drilling tool is applied to the construction of anchor holes and drain holes,etc.In the drilling process,the drill bit of the eccentric drilling tool expands a hole big hole for underground pipe line and cable installation.
1. During the drilling operation, the reaming tool expands into a sufficiently large hole to allow the casing to sneak behind it, while the dust is blown away from the casing.
2. When the drilling reaches a certain depth, the drilling tool is lifted up or slightly reversed, and the reaming block will be retracted. At this time, the drilling tool can be taken out from the casing.
3. Pull the casing up and spray the slurry or other fillings at the bottom of the hole.
4. Use a conventional DTH drill bit to insert it from the casing into the bottom of the hole and continue drilling. Drill the hole to the required depth with the DTH bit equipment.
The eccentric driiling tool is applicable to many fields,such as geological disaster prevention and control,urban high building foundation treatment and tunnel collapse.
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