CN-121976751-A - Drilling deflection self-correcting reverse well drilling machine

CN121976751ACN 121976751 ACN121976751 ACN 121976751ACN-121976751-A

Abstract

The invention relates to the field of well reversing drills and discloses a drilling deflection self-correcting well reversing drill which comprises a drilling platform, a drill rod, a driving part and a first thrust reversing component, wherein a driving part is arranged on the drilling platform, the drill rod is arranged on the drilling platform and is provided with a plurality of sections, the uppermost drill rod is connected with the driving part, and the driving part provides driving force for the drill rod.

Inventors

WANG LINGCHEN
YANG GUANGYUAN
ZHANG HAO
HUANG JIAN
LIU HAIBIN
LIU WEIQIANG

Assignees

河南中原重型锻压有限公司

Dates

Publication Date: 20260505
Application Date: 20260326

Claims (10)

1. A self-correcting deviated borehole drilling rig comprising: The drilling machine platform is provided with a driving part; the drill rod is arranged on the drilling machine platform and is provided with a plurality of sections, the uppermost drill rod is connected with the driving part, and the driving part provides driving force for the drill rod; the anti-drilling platform is arranged at the bottom of the drilling machine platform, the top of the anti-drilling platform is connected with a connecting shaft, the connecting shaft is connected with the lowest drill rod, and a plurality of drilling tool bits are arranged on the anti-drilling platform; the liquid inlet component is arranged between the drilling platform and the drill rod and is used for conveying liquid to the drill rod, the connecting shaft and the anti-drilling platform; the first back-pushing component is arranged on the connecting shaft and is used for applying radial pushing force to the hole wall when the liquid pressure conveyed by the liquid inlet component reaches a preset pressure value; And the second thrust back component is arranged on the anti-drilling platform and is used for forming a diameter-enlarging hole Duan Ju on the anti-drilling platform, and the second thrust back component enters the diameter-enlarging hole Kong Duanhou and works together with the first thrust back component so as to keep the anti-drilling platform centered.
2. The drilling deviation self-correcting reverse well drilling machine according to claim 1, wherein a connecting table is arranged in the drilling machine platform, the uppermost section of the drill rod is connected to the connecting table, and an output shaft of the driving part is in transmission connection with the connecting table.
3. The self-correcting reverse well drilling machine for drilling deflection according to claim 2, wherein the liquid inlet component comprises a sleeve fixed in the drilling machine platform, the connecting table is rotatably connected in the sleeve, a liquid inlet cavity is formed between the connecting table and the sleeve, a liquid inlet pipe is connected to the sleeve and communicated with the liquid inlet cavity, the liquid inlet pipe extends upwards to the top of the drilling machine platform, a plurality of liquid inlet channels are formed in the outer wall of the connecting table, and the liquid inlet channels are communicated with the drill rod.
4. A self-correcting deviated borehole drilling rig according to claim 3 wherein the fluid inlet means further comprises a piston ring slidably connected within the fluid inlet chamber, a first spring connected between the piston ring and the sleeve, a push rod connected to the piston ring, and a wedge connected to the connecting table.
5. The self-correcting reverse well drilling machine for drilling deflection according to claim 1, wherein a plurality of flow channels are formed in the reverse drilling platform, a liquid outlet pipe is communicated with the flow channels, and the liquid outlet pipe extends upwards to the top of the reverse drilling platform and is connected with a spray head.
6. The self-correcting reverse well drilling machine for drilling deflection according to claim 1, wherein the first reverse pushing component comprises a containing opening formed in the outer wall of the connecting shaft, a first contact roller is arranged in the containing opening, a first connecting rod is connected in a sliding mode in the containing opening, and the first contact roller is connected to the first connecting rod in a rotating mode; The connecting shaft is connected with a pressing table in a sliding manner, the bottom of the pressing table is rotationally connected with a first connecting rod, and the bottom of the first connecting rod is rotationally connected with the first connecting rod; The connecting shaft is internally fixed with a connecting support, a second spring is connected between the connecting support and the pressing table, a funnel opening is formed in the top of the pressing table and penetrates through the pressing table, a sealing rod is connected to the connecting support, and the sealing rod is matched with the bottom of the funnel opening.
7. The drilling deflection self-correcting reverse well drilling machine according to claim 6, wherein a fixed shaft is connected in the reverse drilling platform, a sliding shaft is connected on the fixed shaft in a sliding manner, a third spring is connected between the sliding shaft and the fixed shaft, a plurality of pushing shafts are connected on the sliding shaft in a sliding manner, a fourth spring is connected between the pushing shafts and the sliding shaft, the pushing shafts extend upwards and are connected with a push rod, and the bottom of the first connecting rod is connected with a second connecting rod; The outer wall of the anti-drill floor is provided with a second contact roller, a pushing bar extending to the second contact roller is connected in the anti-drill floor in a sliding manner, the second contact roller is connected to the pushing bar in a rotating manner, and the pushing bar is connected with the pushing shaft in a sliding manner.
8. The self-correcting deviated borehole drilling rig of claim 7 wherein the ram is slidably connected to the top of the push shaft and a fifth spring is connected to the push shaft, the top of the ram having a ramp.
9. The self-correcting reverse well drilling machine for drilling deflection according to claim 7, wherein a top contact table is slidably connected to the outer wall of the reverse well drilling table, the top contact table is lower than the second contact roller, one end of the top contact table is connected with a connecting bar, the connecting bar extends towards the fixed shaft and is rotationally connected with a second connecting rod, and the top of the second connecting rod is rotationally connected with the sliding shaft; The top abutment projects beyond the maximum diameter of the anti-drill floor.
10. The self-correcting deviated drilling rig of claim 1 wherein the top of the counter drilling platform is connected to a mounting plate and the drill bit is positioned on the mounting plate.

Description

Drilling deflection self-correcting reverse well drilling machine Technical Field The invention relates to the technical field of well reversing drills, in particular to a drilling deviation self-correcting well reversing drill. Background The inverted well drilling is widely applied to construction of mine ventilation shafts, drop shafts and connecting channels, and a process of arranging a drilling machine at the upper part to form guide holes and then reaming to form the well is generally adopted. Along with the increase of well depth and the increase of stratum hardness change, the influence of guide hole track precision on subsequent reaming quality, drilling sticking risk and well forming efficiency is more obvious. The existing pilot hole control is mostly dependent on the rigidity of a drill rod, the configuration of a centralizer and fixed-point inclinometry, and correction is carried out by stopping drilling, adjusting drilling parameters or applying intermittent deviation correcting force after deflection occurs. The deviation correcting action position is often far away from the front end cutting position, and after the drill bit enters the rock and forms stable cutting constraint, the lateral acting force is easily converted into bending deformation and friction dissipation in the long drill bit section. Therefore, in the prior art, the deviation correcting force is difficult to be effectively transmitted to the vicinity of the drill bit under the intermittent deviation correcting working condition, and a stable correction effect is formed, so that the deviation of the guide hole is easy to accumulate, and the risk of deviation exceeding of the hole is increased. Disclosure of Invention The invention provides a drilling deviation self-correcting reverse well drilling machine, which aims to relieve the problems at least to a certain extent. The technical aim of the invention is realized by the following technical scheme: a borehole-deviated self-correcting reverse well drilling machine, comprising: The drilling machine platform is provided with a driving part; the drill rod is arranged on the drilling machine platform and is provided with a plurality of sections, the uppermost drill rod is connected with the driving part, and the driving part provides driving force for the drill rod; the anti-drilling platform is arranged at the bottom of the drilling machine platform, the top of the anti-drilling platform is connected with a connecting shaft, the connecting shaft is connected with the lowest drill rod, and a plurality of drilling tool bits are arranged on the anti-drilling platform; the liquid inlet component is arranged between the drilling platform and the drill rod and is used for conveying liquid to the drill rod, the connecting shaft and the anti-drilling platform; the first back-pushing component is arranged on the connecting shaft and is used for applying radial pushing force to the hole wall when the liquid pressure conveyed by the liquid inlet component reaches a preset pressure value; And the second thrust back component is arranged on the anti-drilling platform and is used for forming a diameter-enlarging hole Duan Ju on the anti-drilling platform, and the second thrust back component enters the diameter-enlarging hole Kong Duanhou and works together with the first thrust back component so as to keep the anti-drilling platform centered. Preferably, a connecting table is arranged in the drilling machine platform, the uppermost section of drill rod is connected to the connecting table, and an output shaft of the driving part is in transmission connection with the connecting table. Preferably, the liquid inlet component comprises a sleeve fixed in the drilling machine platform, the connecting table is rotationally connected to the inside of the sleeve, a liquid inlet cavity is formed between the connecting table and the sleeve, a liquid inlet pipe is connected to the sleeve and communicated with the liquid inlet cavity, the liquid inlet pipe extends upwards to the top of the drilling machine platform, and a plurality of liquid inlet channels are formed in the outer wall of the connecting table and communicated with the drill rod. Preferably, the liquid inlet component further comprises a piston ring which is connected in the liquid inlet cavity in a sliding mode, a first spring is connected between the piston ring and the sleeve, a push rod is connected to the piston ring, and a wedge-shaped piece is connected to the connecting table. Preferably, the inside of the anti-drilling platform is provided with a plurality of flow channels, the flow channels are communicated with a liquid outlet pipe, and the liquid outlet pipe extends upwards to the top of the anti-drilling platform and is connected with a spray head. Preferably, the first thrust reverser comprises a containing opening arranged on the outer wall of the connecting shaft, a first contact roller is arranged in the containing open