CN2131976Y

CN2131976Y - Submersible drilling machine

Info

Publication number: CN2131976Y
Application number: CN 92231958
Authority: CN
Inventors: 曹守富
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-09-03
Filing date: 1992-09-03
Publication date: 1993-05-05
Anticipated expiration: 2002-09-03

Abstract

The utility model relates to a down-hole drilling machine, comprising support pillars, a rotary speed reduction machine assembly, a thruster, sliding frames, adjustable support pillars, drilling tools, air and water pipelines, an oil ejector, etc. The rotary speed reduction machine assembly in a key position comprises neck members of a box casing, a rotary speed reduction box body, and a drive motor. The neck members of the box casing, the rotary speed reduction box body, and the drive motor are sealed with each other in single body. The turning speed reduction adopts a speed reduction mechanism with the travel range of a cycloid pin gear and uses a pair of the cycloid pin gear with the speed reducing ratio by 1: 35, the reduction speed output 27.3r/min, and the output torque 780Nm. The y type sealing ring is simultaneously used for sealing the position passed by the air and water mixtures for ensuring the water resistant property and the sealing property of the machine; the service life of the drive motor and the service life of a speed reduction box body can be improved.

Description

Submersible drilling machine

The utility model belongs to a kind of mining machinery of mine, down-hole mining, Drilling courtyard gravity vent or quarrying usefulness.

Imitative Soviet Union and the homemade down-the-hole drill that uses all adopts three grades of decelerations of common cylinder gear at present, uses J ₀₂The 32-4-3KW motor-driven, through the output 89r/min(design code 20-40r/min that slows down), flywheel moment 328Nm, (regulation 500-1000Nm) two key parameters all do not meet the design code scope, cause drive motors, rotory speed reducing box to transship at double, it is unreliable to add sealing, waterproof etc., make the geomantic omen mixture enter the drive motors inner chamber very soon, cause drive motors to burn easily, and the rotory speed reducing box fault is frequent, thereby significantly reduced the application life of down-the-hole drill, and influenced the Drilling yardstick, improved cost.Homemade YQ100B(QZJ100B) the type down-the-hole drill is used 6KW motor replacement 3KW motor-driven instead, and noise is big, the rotating the needle moment of torsion is little, machine-team efficient is low, wastes energy in a large number.The present down-the-hole drill that uses owing to be subjected to restrictions such as volume, weight, operating condition, is difficult to reach the designing requirements such as relevant rotating speed, output torque of regulation with the ordinary gear structure.

The purpose of this utility model is to design a kind of down-the-hole drill, it utilizes the cycloidal-pin wheel reduction of speed, can stop what gear reduction of speed of present down-the-hole drill fully and cause that unreliable, the speed of gyration of sealing is fast, to change the pricker moment of torsion not enough, cause drive motors, rotory speed reducing box to transship at double, seriously burn disadvantages such as drive motors and deceleration box fault be frequent.

The utility model is realized by following scheme: down-the-hole drill is made up of pillar, rotary decelerating part, propeller, balladeur train, adjustment pillar, drilling tool, (comprising impactor and plumbous bar) geomantic omen pipeline, oil syringe etc.Main parts in the down-the-hole drill: " rotary reducer assembly ", adopt newest structure, form by casing neck parts, rotory speed reducing box drive motor three parts, their monomer sealings separately, inside and outside six sides and interior external splines connect, rotory speed reducing box adopts the advanced capable amount reducing gear of cycloidal-pin wheel of the eighties, is that the cycloidal-pin wheel of 1:35 can reach designing requirement with a pair of speed reducing ratio only.

Fig. 1 is the utility model overall structure figure;

Fig. 2 is the utility model rotary reducer part-structure figure;

Specify as follows in conjunction with the accompanying drawings:

In Fig. 1,1 is that pillar, 2 is that rotary reducer assembly, 3 is that propeller, 4 is that slide block mechanism, 5 is that adjustment pillar, 6 is that impactor, 7 is that geomantic omen pipeline, 8 is that drilling rod, 9 is an oil syringe.Adjust with pillar 5 mainly by transverse axis 10, turn to axle bed 11, support arm 12, adjustment screw mandrel 13, arm axle 14 etc. to form.Turn to axle bed 11 to be fixed on the column 1, on the little deck that arm axle 14 connects on the slide block mechanism 4.Adjust the length of screw mandrel 13, can make rig reach required Drilling petrosal foramen orientation, again that the each several part set bolt is fastening.

In accompanying drawing 2, rotary reducer be by casing neck components A, rotory speed reducing box B, drive motor C three parts separately monomer sealing link.The concentricity of assembling guarantees by the inside and outside seam of end cap.Be in transmission connection mutually and finish by inside and outside spline, inside and outside six sides.The fastening river bolts of using, the grooved nut adds pin to be fixed, and guarantees to be difficult under any vibration light moving, modification.Among Fig. 2, external splines shaft coupling 16 and female splined shaft 17 are housed in the rotating shaft of drive motor 15, conjuncted bearing 18 1 ends and internal spline 17 join, one end and rotating ratio are that the cycloidal-pin wheel 19 of 1:35 joins, therefore when motor rotates, drive spline coupling 16 and female splined shaft 17 rotations, at this moment conjuncted bearing 18 rotates, and cycloidal-pin wheel rotates.Because drive motor 15 is equipped with the external splines shaft coupling, female splined shaft is used in the deceleration box input, cooperatively interact, and stable drive, quick detachable.Because the wobbler action of conjuncted bearing 18, the motor revolution moves a week, and cycloidal-pin wheel is crossed a circle-arc tooth.Output shaft 20, hollow shaft 21 are housed in the case shell neck 22.The rotating shaft of cycloidal-pin wheel 19 connects output shaft 20, and output shaft 20 connects hollow shaft 21 again.Hollow shaft back stacks 8.Therefore working as input speed is 960r/min, after cycloidal-pin wheel 19 slows down, through output shaft, hollow shaft to drilling rod, output speed is 27.5r/min, output torque 780Nm, owing to adopt cycloidal-pin wheel deceleration principle to reach the purpose of slowing down, meet the parameter request of down-the-hole drill simultaneously about output shaft torque.Down-the-hole drill is realized the Drilling petrosal foramen mainly by the rotary decelerating box assembly, and drive motor 15 after cycloidal-pin wheel slows down, is driven drilling rod 8, impactor 6 work.And the work of impactor 6 is to provide the geomantic omen mixture by geomantic omen pipeline 7, through case shell neck 22, through the hollow shaft 21 and the drilling rod 8 of rotation to impactor, realizes the Drilling petrosal foramen thereby promote reciprocating motion of the pistons.Therefore in the utility model, to preventing that the geomantic omen mixture from infiltrating motor and rotary gear box has been taked relative measures.Hollow shaft 21 two ends, be the geomantic omen mixture must be through locating, adopt φ 55x75x10Y RunddichtringO 23 to seal, at case shell neck and reduction box junction (180 degree up and down), be provided with two spilled water holes 24, tapping pipe is to pound into body to adopt interference fit, seals with dish formula rubber seal 25 behind spilled water hole again, in case silt water is arranged, promptly releases from plug hole 24.Thereby the assurance deceleration box, drive motors is no longer intake.On drive motors 15 drive end bearing brackets 26, add a tarpaulin 27 in addition, and (180 degree up and down) add and bore two spilled water holes 28 and three river bolts 29 on the drive end bearing bracket of motor, the front and rear cover connection of motor is fastening, add pin with grooved nut 30 again and fix.Make motor not reason be given a shock loosening laggard inlet air aqueous mixtures so that burn motor.

This down-the-hole drill is owing to adopted " the capable amount reducing gear of cycloidal-pin wheel " in main key position " rotary reducer assembly " part, it only is the cycloidal-pin wheel of 1:35 with a pair of rotating ratio, with Y112M-6-5B, the 2.2KW motor is through the output 27.5r/min that slows down, output torque 780Nm.Meet relevant design code fully, solved the difficult problem fast with the insurmountable speed of gyration of ordinary gear, that flywheel moment is not enough.The while complete machine must with the y-type seal ring sealing, thereby make this hidden hole drilling secret wind water proofing property fabulous, the Drilling life-span of having improved drive motors greatly through locating the geomantic omen mixture.The utility model is simple in structure simultaneously, volume is little, in light weight, sturdy and durable, high, low, the little power consumption of cost of platform effect, is the regeneration product of present similar type.

Claims

1, a kind of down-the-hole drill, form with pillar, drilling tool, geomantic omen pipeline, oil syringe etc. by pillar, rotary reducer assembly, propeller, balladeur train, adjustment, it is characterized in that: adjust with pillar 5 by cross bar 10, turn to axle bed 11, support arm 12, adjust screw mandrel 13, arm axle 14 compositions, the key position of rig: the rotary reducer assembly is made up of case shell neck parts, rotory speed reducing box and drive motors, and a pair of cycloidal-pin wheel that replaces the gear reduction of speed is housed in the rotary gear box.

2, down-the-hole drill according to claim 1, it is characterized in that: external splines shaft coupling 16 and female splined shaft 17 are housed in the rotating shaft of drive motors 15, conjuncted bearing 18 1 ends and female splined shaft 17 join, one end and cycloidal-pin wheel 19 join, in the case shell neck 22 hollow shaft 21 is housed, output shaft 20, the rotating shaft of cycloidal-pin wheel 19 connects output shaft 20, output shaft 20 connects hollow shaft 21 again, hollow shaft 21 back stacks 8.

3, down-the-hole drill according to claim 2 is characterized in that: 23 sealings of y RunddichtringO are adopted at hollow shaft 21 two ends.

4, according to claim 1,2 described down-the-hole drills is characterized in that: case shell neck and deceleration box junction, and (180 degree up and down) are provided with two spilled water holes 24, and tapping pipe external diameter and body are selected interference fit for use, and seal with dish-like rubber seal 25.

5, down-the-hole drill according to claim 2, it is characterized in that: on motor 15 drive end bearing brackets 26, add tarpaulin 27, motor drive end bearing bracket (180 degree up and down) adds two spilled water holes 28, the motor front and rear cover is with three river bolts 29, adds grooved nut 30 and adds pin and fix.