Drilling machine power head for various drilling processes
A drilling rig power head and gear box technology, which is applied to rotary drilling rigs, drilling equipment, earthwork drilling and production, etc., can solve the problems of inability to quickly switch between various drilling processes, reduce equipment costs and operation time, improve efficiency, The effect of reducing the time required for process changeover
Active Publication Date: 2021-06-18
中地装(北京)科学技术研究院有限公司 +1
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[0006] The invention provides a drilling rig power head suitable for various drilling techniques, aiming to solve the problem that the existing drilling rig cannot quickly switch between various drilling techniques
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[0042]In order to better explain the present invention and facilitate understanding, the present invention will be described in detail below through specific embodiments in conjunction with the accompanying drawings.
[0043] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.
[0044] In addition, in the present invention, descriptions such as "first", "second" and so on are used for description purposes only, and should not be understood as indicating or implying their relative importance or implicitly indicating the quantity of indicated technical features. Thus, the features defined as "first" and "second" may...
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The invention provides a drilling machine power head for various drilling processes. The drilling machine power head comprises a variable displacement motor, a speed changing box, a gearbox, a core tube sealing box, a drilling rig, a sliding device, a gooseneck tube, a gear shifting mechanism and a hydraulic control device; the variable displacement motor is in transmission connection with the speed changing box, the speed changing box is fixed on the gearbox, and a speed changing box output shaft is arranged in the speed changing box; the gearbox is provided with a hollow gearbox output shaft, and the variable displacement motor transmits power to the gearbox output shaft through the speed changing box and the gearbox; one end of the gearbox output shaft is connected with the core tube sealing box, and the other end is connected with the drilling rig; the drilling rig is a lower gas box or a conversion device; the sliding device is arranged on the gearbox; the gooseneck tube is a rope coring gooseneck tube or a hollow reverse circulation gooseneck tube, and the gooseneck tube is connected with the core tube sealing box; and the gear shifting mechanism and the hydraulic control device are arranged on the speed changing box. According to the drilling machine power head, different drilling processes can be switched, multiple purposes are achieved, the equipment cost and the operation time consumption are reduced, and the exploration efficiency is improved.
Description
technical field [0001] The invention relates to geological exploration equipment, in particular to a drilling rig power head used for various drilling techniques. Background technique [0002] Now there are various types of geological exploration projects, and various drilling techniques are adopted. The geological structure of the overburden and ore bodies of many exploration projects is relatively clear, and detailed sampling is not required, only the specific data needs to be reconfirmed. At this time, air reverse circulation sampling can be used for rapid construction. Some geological exploration projects only sample the target formation, and air drilling can be used to quickly pass through the complex overburden layer above the target formation, and then use the wireline coring process to carry out detailed exploration and coring in the target layer. Some exploration projects need to prove the specific content of minerals, and some stratum conditions are more complex a...
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IPC IPC(8): E21B3/02E21B7/00
CPCE21B3/02E21B7/00Y02P70/10
Inventor 沈怀浦何磊朱江龙宋志亮高明帅周政韩菲
Owner 中地装(北京)科学技术研究院有限公司