Intelligent traction systems and control methods thereof

An intelligent traction system, comprising a drill pipe joint, an anti-erosion joint, a first shaft end cover seal, a second shaft end cover seal, a first main body shaft end cover, a second main body shaft end cover, a first shaft seal gasket, a second shaft seal gasket, a first displacement electrical connector, a second displacement electrical connector, a first limit plug, a second limit plug, a first displacement sensor, a second displacement sensor, a first inductive magnetic ring, a second inductive magnetic ring, a first support cylinder end cover, a second support cylinder end cover, a first support telescopic cylinder, a second support telescopic cylinder, a first main body shaft, a second main body shaft, a first support rod, a second support rod, a first reset spring, a second reset spring, a first support block, a second support block, a first inductive switch, a second inductive switch, a first switch sensor, a second switch sensor, a third reset spring, a fourth reset spring, a first support arm, a second support arm, a first reset leaf spring, a second reset leaf spring, a first telescopic cylinder piston, a second telescopic cylinder piston, a first piston screw, a second piston screw, a first telescopic cylinder end cover, a second telescopic cylinder end cover, a first shaft protective cylinder, a second shaft protective cylinder, a first shaft connecting screw, a second shaft connecting screw, a first valve body, a second valve body, a first elastic retaining ring, a second elastic retaining ring, a first valve body protective sleeve, a second valve body protective sleeve, a first valve body connecting screw, a second valve body connecting screw, a battery compartment, an insulating board, a circuit board, a battery compartment cover, a mud channel, a communication port cover, a drill tool joint, a first shaft electrical connector, a second shaft electrical connector, a first torsion-resistant screw, a second torsion-resistant screw, a first two-position four-way solenoid valve, a second two-position four-way solenoid valve, a third two-position four-way solenoid valve, a fourth two-position four-way solenoid valve, a first battery plug, a second battery plug, a battery, a battery shock absorber, and a pressure sensor, wherein

• the first main body shaft and the second main body shaft are fixed to the first valve body and the second valve body by the first shaft connecting screw and the second shaft connecting screw, respectively,
• the first valve body and the second valve body are fixed to an upper side and a lower side of the battery compartment by the first valve body connecting screw and the second valve body connecting screw, respectively,
• the first shaft protective cylinder and the second shaft protective cylinder are fixed to the first telescopic cylinder end cover and the second support cylinder end cover by threads, respectively,
• the first telescopic cylinder end cover and the second support cylinder end cover are sleeved on the first body shaft and the second body shaft, respectively,
• the first telescopic cylinder piston and the second telescopic cylinder piston are sleeved on the first main body shaft and the second main body shaft, respectively, and are fixed to the first main body shaft and the second main body shaft by the first piston screw and the second piston screw, respectively,
• the first support telescopic cylinder and the second support telescopic cylinder are sleeved on the first main body shaft and the second main body shaft, respectively, and are fixedly connected to the first telescopic cylinder end cover and the second support cylinder end cover by threads, respectively,
• the first reset spring and the second reset spring are sleeved on the first support rod and the second support rod, respectively,
• the first support rod and the second support rod are sleeved on the first main body shaft and the second main body shaft, respectively,
• the first support cylinder end cover and the second telescopic cylinder end cover are sleeved on the first main body shaft and the second main body shaft, and are connected to the first support telescopic cylinder and the second support telescopic cylinder, respectively,
• the first inductive magnetic ring and the second inductive magnetic ring are fixed to the first support cylinder end cover and the second telescopic cylinder end cover by a set of screws, respectively, and the first displacement sensor and the second displacement sensor are threaded onto the first main body shaft and the second main body shaft, respectively,
• the first limit plug and the second limit plug are threaded onto the first main body shaft and the second main body shaft, respectively, and are configured to limit the first displacement sensor and the second displacement sensor, respectively,
• the first displacement electrical connector and the second displacement electrical connector are connected to the first limit plug and the second limit plug by threads, respectively,
• the first shaft electrical connector and the second shaft electrical connector are connected to the first main body shaft and the second main body shaft by threads, respectively,
• the first shaft seal gasket and the second shaft seal gasket are tightly affixed to end surfaces of the first main body shaft and the second main body shaft, respectively,
• the first main body shaft end cover and the second main body shaft end cover are fixed to the first main body shaft and the second main body shaft by screws, respectively, and the first shaft end cover seal and the second shaft end cover seal are mounted in groove holes of the first main body shaft end cover and the second main body shaft end cover, respectively,
• the anti-erosion joint is fixed to the first main body shaft end cover by screws and the second shaft end cover seal is fixed to the second main body shaft end cover by screws,
• the drill pipe joint is sleeved on the first main body shaft and fixed to the first support cylinder end cover by threads, and an upper portion of the drill pipe joint is connected to a drill pipe,
• the drill tool joint is sleeved on the second main body shaft and fixed to the second telescopic cylinder end cover by threads, and a lower portion of the drill tool joint is connected to a measurement-while-drilling tool and a positive displacement motor (PDM) drill,
• the first support block and the second support block penetrate through openings of the first support telescopic cylinder and the second support telescopic cylinder, and are mounted on the first support rod and the second support rod by screws, respectively, the first inductive switch and the second inductive switch are mounted on the first support block and the second support block, respectively, and the first switch sensor and the second switch sensor are mounted on the first main body shaft and the second main body shaft, respectively,
• the first reset leaf spring and the second reset leaf spring are mounted in dovetail grooves of the first support arm and the second support arm, and are connected to the first support telescopic cylinder and the second support telescopic cylinder by fixing pins, respectively,
• the first support arm and the second support arm are connected to the first support telescopic cylinder and the second support telescopic cylinder by cylindrical pins, respectively, and the cylindrical pins are configured to limit an axial displacement of the first support arm and the second support arm by set screws,
• the first shaft protective cylinder and the second shaft protective cylinder are sleeved on the first valve body and the second valve body, respectively, and the first torsion-resistant screw and the second torsion-resistant screw are fixedly connected to the first valve body and the second valve body, respectively, by penetrating through keyways of the first shaft protective cylinder and the second shaft protective cylinder, respectively,
• the first valve body protective sleeve and the second valve body protective sleeve are sleeved on the first valve body and the second valve body, respectively, and are limited by the first elastic retaining ring and the second elastic retaining ring, respectively,
• the battery compartment cover is fixed to the battery compartment by screws, and the communication port cover is fixed to the battery compartment by screws, and
• the first two-position four-way solenoid valve and the second two-position four-way solenoid valve are mounted on the first valve body, the third two-position four-way solenoid valve and the fourth two-position four-way solenoid valve are mounted on the second valve body, the battery is threaded onto a battery hole of the battery compartment after being fixedly connected to the battery shock absorber, and two ends of the battery are limited by the first battery plug and the second battery plug, the first battery plug and the second battery plug are mounted on the battery compartment by limit pins, the pressure sensor is mounted on the battery compartment, and the mud channel is threaded onto the battery compartment and connected to the first valve body and the second valve body.