Well digging mechanism with variable screw pitches
A variable, pitch technology for drilling equipment, rotary drilling rigs, drilling equipment and methods, etc., which can solve problems such as affecting progress, blade damage, loss of cutting ability, etc.
Inactive Publication Date: 2019-06-28
尚宇新
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Problems solved by technology
[0002] At present, the spiral blades used in the drilling mechanism are all fixed on the rotating sleeve by welding. If the adjacent blades are filled with soil during the drilling process, the spiral blades in the drilling mechanism will lose their cutting ability; The spiral blade cannot continue to turn downward; if the spiral blade continues to turn downward when the adjacent blades are filled with soil, it may cause damage to the blade; the drilling mechanism cannot be used normally; it affects the progress and affects people's lives ; Therefore, it is very necessary to design a well drilling mechanism that can loosen the soil on the adjacent blades during the well drilling process
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specific Embodiment approach
[0065] Specific embodiments: when people are using the well-drilling mechanism designed by the present invention, the drive motor 2 works, and the drive motor 2 will drive the first rotating shaft 14 to rotate; the first rotating shaft 14 will drive the fourth gear 38 to rotate on the one hand; On the other hand, the rotation of the first rotating shaft 14 will drive the rotation of the second gear 7; in the initial state, the second gear 7 meshes with the first gear 1, and the rotation of the second gear 7 will drive the rotation of the first gear 1; the rotation of the first gear 1 The rotation makes the second rotating shaft 19 rotate; in this case, the fourth gear 38 will drive the installation shell 5 to rotate; the installation shell 5 rotates through the corresponding arc drive block 43 to drive the corresponding installation drive ring 35 to rotate; the installation drive ring 35 The rotation drives the screw blade 10 to rotate; at the same time, the second rotating sha...
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The invention belongs to the technical field of well digging mechanisms, and particularly relates to a well digging mechanism with variable screw pitches. The well digging mechanism comprises a supporting plate, a punching mechanism, a drive mechanism and a fixing plate. When the designed well digging mechanism is used by people, if the portions between adjacent blades in screw blades located on the lower side are jammed with soil, the cutting capacity of the screw blades is lost, in other words, the screw blades cannot continue to rotate downwards; at the moment, a third gear moves upwards tobe finally engaged with a second gear. Under the condition, the screw blades move up and down; then the soil on the portions between the adjacent blades on the screw blades is extruded and stretched;the soil on the portions between the adjacent blades on the screw blades is loosened; the loosened soil is discharged under the effect of screw force of the screw blades; the well digging depth of the well digging mechanism can be increased by adjusting the screw pitches of the screw blades.
Description
Technical field [0001] The invention belongs to the technical field of drilling mechanisms, in particular to a drilling mechanism with variable pitch. Background technique [0002] At present, the spiral blades used in the drilling mechanism are all fixed on the rotating sleeve by welding. If the adjacent blades are filled with soil during the drilling process, the spiral blades in the drilling mechanism will lose their cutting ability; The spiral blade cannot continue to turn downward; if the spiral blade continues to turn downward when the adjacent blades are filled with soil, it may cause damage to the blade; the drilling mechanism cannot be used normally; it affects the progress and affects people's lives ; So it is very necessary to design a well drilling mechanism that can loosen the soil on the adjacent blades during the well drilling process. [0003] The present invention designs a drilling mechanism with variable pitch to solve the above problems. Contents of th...
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IPC IPC(8): E21B10/43E21B10/62E21B3/02
CPCE21B3/02E21B10/43E21B10/62
Inventor 沈宇杰
Owner 尚宇新