CN102322222A

CN102322222A - Novel automatic pin-releasing cored drill stem for rotary drilling rigs

Info

Publication number: CN102322222A
Application number: CN201110132316A
Authority: CN
Inventors: 郭振国; 郭纳城
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-10
Filing date: 2011-05-10
Publication date: 2012-01-18

Abstract

The invention relates to a novel automatic pin-releasing cored drill stem for rotary drilling rigs. The novel automatic pin-releasing cored drill stem carries out pin releasing still by utilizing the high-pressure air to release pressure into a vacuum area to drive a pin release to move; in terms of fabrication, the square head of the drill stem is used as base body, a reducing cylinder is directly bored in the square head, a reducing piston is arranged in the reducing cylinder to form the pin release and an airflow distribution valve, in addition, the vacuum area is then arranged, an air valve on the upper end in the body of the drill stem is arranged at the middle, a control rod of the air valve is T-shaped, and the cross rod of the T-shaped control rod is exposed out of both sides of a reducing suspension end, which is favorable for symmetrical control.

Description

A kind of Spiral digging machine is with automatic out of stock novel inner core drilling rod

Technical field

Novel a kind of Spiral digging machine drilling equipment, the automatic out of stock novel inner core drilling rod of particularly a kind of Spiral digging machine usefulness of relating to of the present invention.

Background technology

Invention to my preceding " the automatic out of stock inner core drilling rod of a kind of Spiral digging machine " of being reported for twice; Through careful consideration, make the out of stock system of convenient startup for convenient; In particular for the rigidity and the durability that improve drilling rod bottom square toes; On intrinsic basis, be its practicality of more effective increase, the spy has made local improvement.

Summary of the invention

It is out of stock to realize that the present invention still drives out of stock device displacement with gases at high pressure to the process of vacuum area pressure release, is to be element body with the drilling rod square toes on making, and directly the reducing cylinder is established in boring in square toes; Built-in reducing piston constitutes out of stock device and distribution of air flow valve; Ad hoc more in addition vacuum area, and in the middle of the upper end air valve was located in the drilling rod body of rod, the Air Valve Control bar was set as the T font; The cross bar of T font control lever hangs the end both sides at undergauge and exposes and be beneficial to symmetry control; Comparatively speaking, this design more becomes rationally, more becomes practical.

The present invention is realized by following technical scheme:

1, a kind of Spiral digging machine is with automatic out of stock novel inner core drilling rod; Hung the square toes of end, the body of rod and body of rod lower end connection drill bit is made up of the drilling rod top; It is characterized in that: drilling rod body of rod hollow is in order to the deposit gases at high pressure, and air valve is settled on the top between two parties in the drilling rod body of rod, and the Air Valve Control bar is the T font; Hanging end is concentric undergauge with the body of rod and is connected; Hang end and body of rod joint face with the portion of end office (EO) of hanging oneself in the montant of vacant T font Air Valve Control bar, and the bilateral symmetry opening puts the cross bar of T font Air Valve Control bar, the cross bar through T font Air Valve Control bar can make the upper and lower displacement of control lever reach the purpose of one control air valve hanging end both sides exposed parts.

2, establish out of stock device, distribution of air flow valve in the square toes of body of rod lower end, vacuum area, out of stock device are directly to establish concentric reducing cylinder with square toes for the element body boring; The built-in pillar piston of the little cylinder of reducing cylinder; The built-in disc type piston of vat, two-piston are gone into the formation piston assembly that fuses behind the cylinder, are made as pin shaft hole between the pillar piston other end and the cylinder mouth in the little cylinder; The vat other end of reducing cylinder is established cylinder cap; Relative displacement is regional to the out of stock stroke of displacement in the piston assembly pulling bearing pin between piston assembly and this cylinder cap, on the reducing step of reducing cylinder, establishes mortise, the corresponding tenon bar of on the disc type piston, establishing with mortise; Can not rotate after mortise and tenon bar assurance piston assembly are in place, can make the reducing step place of disc type piston and reducing cylinder form the admission space that a determining deviation is made as out of stock device reducing cylinder again.

3, establishing the distribution of air flow valve in the square toes also is that boring is established the reducing cylinder, settled the reducing piston in the square toes body, and the cylinder cap shutoff with inboard band push rod forms again, and the cylinder cap upper ejector pin makes formation distribution of air flow valve aerodynamic force admission space between the big piston of cylinder cap and reducing piston; This space side direction is opened two mouthfuls; Wherein be communicated with body of rod upper end air valve through wireway flatly, another mouth then is communicated with the admission space of out of stock device reducing cylinder through wireway, at the reducing place of distribution of air flow valve reducing cylinder; Big footpath cylinder one side is offered flatly again and is communicated with vacuum area; The reducing piston then is through linking to each other indirectly than the littler push rod of valve piston diameter in the distribution of air flow valve, and valve piston place cylinder cylinder bottom opening is near also opening of reducing place cylinder side; Two openings through after the pipeline parallel connection again with the out of stock stroke regional connectivity of out of stock device; When the reducing piston after the valve piston direction is accomplished displacement, out of stock device inner high voltage gas can lose heart to vacuum area through the distribution of air flow valve, out of stock device then starts.

Description of drawings,

Diagram is structural representation of the present invention and fundamental diagram;

The specific embodiment

Below in conjunction with accompanying drawing the present invention is further described:

1, like diagram: the present invention is to be that the reducing cylinder is established in the element body boring with the drilling rod square toes directly; Near the built-in pillar piston of little cylinder of the reducing cylinder of square toes lower end, the built-in disc type piston of vat, two-piston are gone into to fuse behind the cylinder and are formed piston assembly 9; Be out of stock stroke zone between between piston assembly 9 and the opposite side cylinder cap 10 being; Cylinder cap 10 is provided with air inlet core 11, settles bearing pin 8 for pin shaft hole between the pillar piston other end of piston assembly 9 and the cylinder mouth, establishes mortise on the reducing step of reducing cylinder; With tenon bar on the disc type piston of piston assembly 9 to corresponding; Both tenons close piston can not be rotated in cylinder, make the reducing step of reducing cylinder and disc type piston space form reducing cylinder admission space 7 simultaneously again, and this system is out of stock device.

2, establish the reducing cylinder in the other boring in out of stock device top, settle the reducing piston (the push rod diameter is littler than valve piston diameter) that links to each other indirectly with push rod in it, the cylinder mouth forms the distribution of air flow valve system with the cylinder cap shutoff of inboard band push rod.

Form distribution of air flow valve aerodynamic force admission space 5 through push rod between above-mentioned cylinder cap and the big footpath piston; This space both-side opening; Wherein an opening is communicated with drilling rod body of rod upper end air valve lateral row gas port 3 through wireway 4; Another opening is communicated with out of stock device reducing cylinder admission space 7 through wireway 6; Big footpath cylinder side is set up an opening again and is communicated with vacuum area 16 through pipeline 15 at distribution of air flow valve reducing cylinder reducing place, belongs to cylinder one side and cylinder bottom is respectively established an opening at valve piston, and two openings pass through after pipeline 13, pipeline 14 parallel connections the more out of stock stroke regional connectivity with out of stock device.

The course of work of the present invention is following:

1, according to drilling depth, confirming needs air pressure in the out of stock stroke zone, inflates to this zone through air inlet core 11; Get in the little cylinder of distribution of air flow valve through pipeline 14 gases at high pressure simultaneously; Force this valve inner carrier system to the displacement of cylinder cap direction, simultaneously pipeline 13 also is assigned with the valve piston sealing of valve, when be added to need air pressure after; Out of stock device inner carrier assembly 9 tends towards stability, and guarantees that drilling rod takes off in not at the normal operating condition lower bearing pin.

2, after the completion above-mentioned steps, bleed core 12 with vacuum area 16 vacuum pumpings, in drilling rod, fill the high pressure gas that the people meets the demands through air inlet core 17 in the drilling rod body of rod again through vacuum area.

3, when 17 inflations of air inlet core; Don't fail to be earlier the T font control lever of drilling rod top air valve be placed topmost; Make air valve side direction air inlet port 2 and air valve lateral row gas port 3 be in sealing state; When be charged to need air pressure after, get into high pressure gas through air inlet port 1 air valve bottom, make the air valve piston system lastingly upwards and through extruding rubber cushion and extraneous sealing.

4, accomplish above-mentioned steps then drilling rod can come into operation.

5 if accident when needing to take off in the bearing pin; Then from the first segment drilling rod of the drilling rod system special sleeve that hangs in suitable for reading, when winching to, through hanging the end guiding near above-mentioned drilling rod top; Sleeve will push the cross bar that hangs the air valve T font control lever that exposes the end both sides just; Make the air valve piston system to bottom offset, when two-piston connecting rod in the air valve alignd with air valve side direction air inlet port 2 and air valve lateral row gas port 3, gases at high pressure immediately got into the aerodynamic force space 5 of distribution of air flow valve through wireway 4; Through wireway 6, gases at high pressure get into the reducing cylinder admission space 7 of out of stock device simultaneously again.

In square toes in the distribution of air flow valve; Aerodynamic force space 5 mesohigh gases will promote piston system to the displacement of valve piston direction, and after displacement was accomplished, port and the piston brace rod of pipeline 13 on the distribution of air flow valve was relative; Opening-like attitude; The openend of pipeline 15 this moment on the distribution of air flow valve is still relative with piston brace rod, and the out of stock stroke zone inner high voltage gas of out of stock device then gets into vacuum area 16 through pipeline 13 to pipeline 15 again, piston assembly 9 beginning displacements; Bearing pin is also interior to displacement, finally realizes out of stock.

The advanced point of the utility model:

1) is cylinder bodies such as the out of stock device of the direct boring system of element body with the drilling rod square toes, makes processing and fabricating more convenient.

2) establish vacuum area at out of stock device in addition with exterior portions, make square toes have more rigidity and durability.

3) the Air Valve Control bar of drilling rod upper end is made the T font, and its cross bar exposes hanging the end bilateral symmetry, more is beneficial to open air valve.

More than 3 be key point of the present invention.

Claims

1. a Spiral digging machine is with out of stock novel inner core drilling rod automatically, it is characterized in that hanging the square toes that end, the body of rod and body of rod lower end connect drill bit by the drilling rod top forms, and it is characterized in that: drilling rod body of rod hollow is in order to lay in gases at high pressure; Air valve is settled on the top between two parties in the drilling rod body of rod, and the Air Valve Control bar is the T font, hangs end and is concentric undergauge with the body of rod and is connected; Hang end and body of rod joint face with the portion of end office (EO) of hanging oneself in the montant of vacant T font Air Valve Control bar, and the bilateral symmetry opening puts the cross bar of T font Air Valve Control bar, the cross bar through T font Air Valve Control bar can make the upper and lower displacement of control lever reach the purpose of one control air valve hanging end both sides exposed parts; Establish out of stock device, distribution of air flow valve, vacuum area in the square toes of body of rod lower end, out of stock device is directly to establish concentric reducing cylinder with square toes for the element body boring, the built-in pillar piston of the little cylinder of reducing cylinder; The built-in disc type piston of vat; Two-piston is gone into the formation piston assembly that fuses behind the cylinder, is made as pin shaft hole between the pillar piston other end and the cylinder mouth in the little cylinder, and the vat other end of reducing cylinder is established cylinder cap; Relative displacement is regional to the out of stock stroke of displacement in the piston assembly pulling bearing pin between piston assembly and this cylinder cap; On the reducing step of reducing cylinder, establish mortise, the corresponding tenon bar of on the disc type piston, establishing with mortise can not rotate after mortise and tenon bar assurance piston assembly are in place; Can make the reducing step place of disc type piston and reducing cylinder form the admission space that a determining deviation is made as out of stock device reducing cylinder again; Establish the distribution of air flow valve in the square toes and also be in the square toes body boring and establish the reducing cylinder, settle the reducing piston, the cylinder cap shutoff with inboard band push rod forms again, and the cylinder cap upper ejector pin makes formation distribution of air flow valve aerodynamic force admission space between the big piston of cylinder cap and reducing piston; This space side direction is opened two mouthfuls; Wherein be communicated with body of rod upper end air valve through wireway flatly, another mouth then is communicated with the admission space of out of stock device reducing cylinder through wireway, at the reducing place of distribution of air flow valve reducing cylinder; Big footpath cylinder one side is offered flatly again and is communicated with vacuum area; The reducing piston then is through linking to each other indirectly than the littler push rod of valve piston diameter in the distribution of air flow valve, and valve piston place cylinder cylinder bottom opening is near also opening of reducing place cylinder side; Two openings through after the pipeline parallel connection again with the out of stock stroke regional connectivity of out of stock device; When the reducing piston after the valve piston direction is accomplished displacement, out of stock device inner high voltage gas can lose heart to vacuum area through the distribution of air flow valve, out of stock device then starts.

2. a kind of Spiral digging machine according to claim 1 is with automatic out of stock novel inner core drilling rod; It is characterized in that: out of stock device can be made as dislocation symmetrical expression formation and be connected with the two pins of drill bit; And shared distribution of air flow valve control starts; For strengthening the reliability of cylinder body and piston slipper seal type combination, set up joint ring at the key position of piston.

3. a kind of Spiral digging machine according to claim 1 and 2 is with automatic out of stock novel inner core drilling rod; It is characterized in that: it uses bearing pin to be hollow bearing pin; Establish nut bore in the middle of the pillar piston tip of pulling bearing pin, bearing pin and pillar piston are linked together through the major part screw rod.