Description:
1.MDL-C180 is a kind of full hydraulic power head anchor crawler drilling rig.Its drilling depth is 150-180m, and drilling diameter 150-250mm.
2.MDL-C180 is applicable to a wide-range of strata with big torque, high rotary speed, and big power.When meeting those fragile holes such as sand gravel layer, gravel layer, sand stone soil, sand hole, the top drive drill equipment has a very high penetration rate and drilling efficiency. Especially when the moisture content of local layer is too high to use DTH hammer when work, this top head drive drill rig is the only choice.
3.This top head drive drill rig adopts variable hydraulic system and can with big power without DTH hammer or air compressor.The Drilling Tools from the outer to the inner and all involved in the transmission of the impact power, it is not easy to happen the hole accidents such as drill sticking.
4.This top drive drill equipment is applicable to anchor hole, such as urban foundation pit supporting . And is mainly applied to construction engineering supporting, slope supporting,all kinds of guide hole, tunnel and pipe shed engineering,etc.
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Technical parameters:
Anchoring drill is a kind of equipment used for the construction of anchor rods, and its construction process generally includes the following steps:
1. Determine the construction location: according to the design requirements and the actual situation, determine the location that needs to be anchored.
2. Drilling preparation: Use the anchor drill to prepare the drilling at the construction location. First, the appropriate drill bit and drill tool are selected according to the design requirements, and then the drill bit is installed on the drill. Next, according to the design requirements and drilling depth, adjust the drilling Angle and position of the drill.
3. Drilling construction: Start the anchoring drill, gradually lower the drill bit to the drilling position, and carry out rotary drilling. According to the design requirements, control the drilling depth and diameter to ensure that the drilling meets the requirements.
4. Clean the hole bottom: After drilling holes, use an air compressor or a vacuum cleaner to clean the gravel and dust at the bottom of the holes.
5. Install the bolt: Install the bolt in the borehole. First, the bolt is inserted into the hole, and the bolt is firmly fixed in the hole by hammering or rotating. Then, according to the need, grouting equipment is used to inject grouting materials into the borehole to strengthen the fixing effect of the anchor rod.
6. Check and test: Check and test after the bolt installation is completed. Check the fixing condition and grouting effect of the anchor rod to ensure that the design requirements and construction standards are met.
The above is the general construction process of anchoring drill, the specific steps and methods may vary according to different engineering requirements and equipment characteristics. In the construction process, it is necessary to operate in strict accordance with the design requirements and construction specifications to ensure the construction quality and construction safety.
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