CN211201797U

CN211201797U - A downthehole reverse circulation drilling tool device for major diameter shaft pore-forming

Info

Publication number: CN211201797U
Application number: CN201922372927.9U
Authority: CN
Inventors: 王峰; 赵洪君; 刘学来; 李忠宝
Original assignee: Fifth Geological Brigade Of Jiangsu Bureau Of Geology And Mineral Resources
Current assignee: Xuzhou Pile Engineering Co
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-08-07
Anticipated expiration: 2029-12-26

Abstract

The utility model relates to the technical field of drilling tool devices, and discloses an in-hole reverse circulation drilling tool device for pore-forming of a large-diameter shaft, which comprises a drilling rod, wherein an inserting groove is arranged inside the drilling rod, movable grooves are arranged on the left side and the right side of the inserting groove, sliding grooves are arranged on the upper side and the lower side of each movable groove, a sliding block is connected inside each sliding groove in a sliding manner, four sliding grooves are arranged, and four devices for fixing a drill bit are arranged inside each sliding groove, so that the connection safety of the drill bit and the stability of the drill bit are improved, the devices for fixing a connecting block are symmetrically distributed by taking the central line of the drilling rod as the center, and the stress of the drill bit is uniformly distributed to each fixing device when the drilling operation is carried out by the distribution mode, thereby the connection safety of the drill bit and the stability of the drill bit are further improved, and the reasonable distribution, therefore, the effects that the drill bit is stably connected with the drill rod and the deviation is not easy to generate are achieved.

Description

A downthehole reverse circulation drilling tool device for major diameter shaft pore-forming

Technical Field

The utility model relates to a drilling tool technical field specifically is an downthehole reverse circulation drilling tool device that is used for major diameter shaft pore-forming.

Background

The reverse circulation drilling tool device in the hole is a drilling tool device adopting a reverse circulation drilling method, wherein the reverse circulation drilling method is a drilling method that flushing medium flows to the bottom of the hole from an annular space between a drilling tool and a hole wall and carries rock debris to return to the ground surface from an inner hole of the drilling tool.

The drill bit part of the drilling tool device is used for drilling in the drilling work, once hard minerals are met, the impact force on the drill bit is too large, the drill bit is prone to shifting to a greater or lesser degree, the drilling work is not facilitated to continue, and once the drill bit is damaged, the drill bit is troublesome to disassemble, and the work efficiency is greatly reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an downthehole reverse circulation drilling tool device for major diameter shaft pore-forming possesses that drill bit and drilling rod are connected stably, and difficult production squints, and conveniently dismantles the advantage of drill bit, has solved and can make the drill bit take place more or less skew easily, is unfavorable for the continuation of drilling work, and in case the drill bit damages moreover, it is more troublesome to dismantle the drill bit, also greatly reduced work efficiency. To a problem of (a).

(II) technical scheme

For realizing that above-mentioned drill bit and drilling rod are connected stably, be difficult for producing the skew, and conveniently dismantle the purpose of drill bit, the utility model provides a following technical scheme: the utility model provides an downthehole reverse circulation drilling tool device for major diameter shaft pore-forming, includes the drilling rod, the slot has been seted up to the inside of drilling rod, the activity groove has all been seted up to the left and right sides of slot, the spout has all been seted up to the upper and lower both sides in activity groove, the inside sliding connection of spout has the slider, the one end fixedly connected with sleeve of slider, telescopic inside has cup jointed the axle that draws, draw the one end fixedly connected with carousel of axle, draw the one end fixedly connected with spring of axle, the pull rod has been cup jointed to the inside of spring, the one end fixedly connected with fixture block of pull rod, the one end joint of fixture block has the draw-in groove, the fixture block has the connecting block through the draw-in groove joint.

Preferably, L type holes are formed in the outer side of the sleeve and the front face of the drill rod, a clamping column is sleeved inside the L type hole, one end of the clamping column is fixedly connected with the pull shaft, and the clamping column is matched with the L type hole to be used, so that the effect of limiting the movement of the pull shaft is achieved.

Preferably, the strip-shaped anti-slip patterns are formed in the outer side of the rotary plate, and the effect that a user saves more labor when rotating the rotary plate is achieved through the strip-shaped anti-slip patterns.

Preferably, the bottom fixedly connected with mouth of a river of drill bit through the effect of mouth of a river, can carry out cooling work to the drill bit, has prolonged the life-span of drill bit.

Preferably, the bottom fixedly connected with connecting seat of drill bit, the one end fixedly connected with of connecting seat bores the tooth, uses through the cooperation of connecting seat and brill tooth, plays the effect of protection drill bit, avoids the drill bit directly to touch the phenomenon that hard mineral produced the skew.

Preferably, the number of the movable grooves is four, and the number of the devices for fixing the drill bit inside the movable grooves is four, so that the safety of connection of the drill bit and the stability of the drill bit are improved.

Preferably, the devices for fixing the connecting blocks are symmetrically distributed by taking the center line of the drill rod as the center, and the stress can be uniformly distributed to each fixing device when the drill bit performs drilling operation by the distribution mode, so that the connection safety of the drill bit and the stability of the drill bit are further enhanced.

(III) advantageous effects

Compared with the prior art, the utility model provides an downthehole reverse circulation drilling tool device for major diameter shaft pore-forming possesses following beneficial effect:

1. this an downthehole reverse circulation drilling tool device for major diameter shaft pore-forming, quantity through the movable groove is four, and the device quantity of inside fixed drill bit also is four sets, thereby the security that the drill bit is connected and the stability of drill bit have been increased, fixed connection block's device uses the central line of drilling rod as central symmetry distribution, through this kind of distribution mode, can make the drill bit when drilling the during operation, atress homodisperse is to each fixing device, thereby reached more near further security that the reinforcing drill bit is connected and the stability of drill bit, through above-mentioned reasonable distribution, thereby it is stable to have reached drill bit and drilling rod connection, the effect of difficult production skew.

2. This an downthehole reverse circulation drilling tool device for major diameter shaft pore-forming, through the user carousel of upwards rotating, the carousel drives the upward rotation of axis of drawing, the card post rebound simultaneously, when the card post breaks away from the short-hole in L type hole, the spring receives pressure conversion into tension when the installation, drive the direction removal of the axial direction of drawing keeping away from the drilling rod, the axis of drawing drives the pull rod and removes to the direction of keeping away from the drilling rod, the pull rod drives the fixture block and removes to the direction of keeping away from the drilling rod simultaneously, the fixture block breaks away from the draw-in groove, then the user pulls out the drill bit, the connecting block can break away from the slot.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

fig. 3 is a partial enlarged view of a in the first structural diagram of the present invention.

In the drawing, 1-drill rod, 2-slot, 3-movable groove, 4-sliding groove, 5-sliding block, 6-sleeve, 7-pulling shaft, 8-spring, 9-pulling rod, 10-clamping block, 11-clamping groove, 12-connecting block, 13-drill bit, 14-water gap, 15-connecting seat, 16-drilling tooth, 17-clamping column, 18-L type hole, 19-rotary table and 20-strip-shaped anti-skid pattern.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, an in-hole reverse circulation drilling tool device for large-diameter shaft hole forming, including a drill rod 1, a slot 2 is provided inside the drill rod 1, a movable slot 3 is provided on both sides of the slot 2, a sliding slot 4 is provided on both sides of the movable slot 3, a sliding block 5 is slidably connected inside the sliding slot 4, a sleeve 6 is fixedly connected to one end of the sliding block 5, L-type holes 18 are provided on the outer side of the sleeve 6 and the front side of the drill rod 1, a clamping column 17 is sleeved inside the L-type hole 18, one end of the clamping column 17 is fixedly connected to a pull shaft 7, a strip anti-slip pattern 20 is provided on the outer side of the rotary table 19, the effect of limiting the movement of the pull shaft 7 is achieved by the cooperation of the clamping column 17 and the L-type hole 18 through the clamping of the clamping column 17, thereby achieving the effect of limiting the movement of the pull shaft 7 when a user rotates the rotary table 19, a spring 8 is fixedly connected to the pull rod 9, a rotary table 19 is sleeved inside the spring 9, a strip anti-slip pattern 20 is provided on the outer side, the drill head 13 is connected to a safety drill head 13, the safety drill head 13 is connected to the drill head 13, the safety of the drill head 13 is connected to the drill head 13, the drill head 13 is connected to the drill head 13, the drill head is connected to prevent the drill head from being damaged, the drill head 13, the drill head is connected to be damaged, the drill head 13, the drill head is connected to the drill head, the drill head is connected to be damaged, the drill head, the drill.

Firstly, a user rotates the rotary table 19 upwards, the rotary table 19 drives the pull shaft 7 to rotate upwards, the clamping column 17 moves upwards, when the clamping column 17 is separated from a short hole of the L-type hole 18, pressure applied to the spring 8 during installation is converted into tension, the pull shaft 7 is driven to move in a direction away from the drill rod 1, the pull shaft 7 drives the pull rod 9 to move in a direction away from the drill rod 1, the pull rod 9 drives the clamping block 10 to move in a direction away from the drill rod 1, the clamping block 10 is separated from the clamping groove 11, then the user pulls the drill bits 13, the connecting blocks 12 can be separated from the slots 2, the effect of conveniently disassembling the drill bits is achieved, then when the whole drilling device performs drilling operation, the water outlets 14 spray water, the effect of cooling and lubricating the drill bits 13 and the drill teeth 16 is achieved, the effect of protecting the drill bits 13 and the drill teeth 16 is achieved, the number of the four devices for fixing the drill bits 13 is four, the safety and the stability of the drill bits 13 are improved, the devices for further achieving the effect of more reasonable connection of the drill bits 13 and the stability of the drill bits in a more reasonable connection in a mode of the drill bits in a distributed mode of further enhancing the stability of the drill bits 13 and the drill bits in a mode of stable connection is achieved, and the drill bits in a mode of the drill bit distribution of the stability of the drill bit 13 is achieved.

To sum up, this downthehole reverse circulation drilling tool device for major diameter shaft pore-forming, the quantity through activity groove 3 is four, and the device quantity of inside fixed drill bit 13 also is four sets, thereby the security of drill bit connection and the stability of drill bit 13 have been increased, the device of fixed connection piece 12 uses the central line of drilling rod 1 as central symmetry distribution, through this kind of distribution mode, can make drill bit 13 when drilling into work, the atress homodisperse reaches each fixing device, thereby more closely the security of having strengthened drill bit connection and the stability of drill bit 13, through above-mentioned reasonable distribution, thereby it is stable with the drilling rod to have reached the drill bit, the effect that is difficult for producing the skew, through user's upwards rotatory carousel 19, carousel 19 drives the pull shaft 7 upwards rotatory, the jack 17 upwards moves, when jack 17 breaks away from the short hole in L type hole 18, the pressure that spring 8 received turns into tension, drive pull shaft 7 to the direction removal of keeping away from drilling rod 1, pull shaft 7 drives pull rod 9 to the direction removal of keeping away from pull rod 1, simultaneously, 10 drives the direction of fixture block 9 to keep away from the plug 10, thereby convenient the drill bit 12 can be dismantled the effect of drill bit 2 when the installation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An downthehole reverse circulation drilling tool device for large diameter shaft pore-forming, includes drilling rod (1), its characterized in that: a slot (2) is arranged inside the drill rod (1), the left side and the right side of the slot (2) are both provided with a movable groove (3), the upper side and the lower side of the movable groove (3) are both provided with sliding grooves (4), the sliding grooves (4) are connected with sliding blocks (5) in a sliding manner, one end of the sliding block (5) is fixedly connected with a sleeve (6), a pull shaft (7) is sleeved in the sleeve (6), one end of the pull shaft (7) is fixedly connected with a turntable (19), one end of the pull shaft (7) is fixedly connected with a spring (8), a pull rod (9) is sleeved inside the spring (8), one end of the pull rod (9) is fixedly connected with a clamping block (10), the one end joint of fixture block (10) has draw-in groove (11), fixture block (10) has connecting block (12) through draw-in groove (11) joint, the bottom fixedly connected with drill bit (13) of connecting block (12).

2. The hole inside reverse circulation drilling tool device for the hole forming of the large-diameter vertical shaft is characterized in that L-shaped holes (18) are formed in the outer side of the sleeve (6) and the front face of the drill rod (1), a clamping column (17) is sleeved inside the L-shaped hole (18), and one end of the clamping column (17) is fixedly connected with the pull shaft (7).

3. An in-hole reverse circulation drilling device for forming a hole in a large-diameter shaft according to claim 1, wherein: the outer side of the turntable (19) is provided with strip-shaped anti-skid grains (20).

4. An in-hole reverse circulation drilling device for forming a hole in a large-diameter shaft according to claim 1, wherein: and the bottom of the drill bit (13) is fixedly connected with a water gap (14).

5. An in-hole reverse circulation drilling device for forming a hole in a large-diameter shaft according to claim 1, wherein: the bottom of the drill bit (13) is fixedly connected with a connecting seat (15), and one end of the connecting seat (15) is fixedly connected with drill teeth (16).

6. An in-hole reverse circulation drilling device for forming a hole in a large-diameter shaft according to claim 1, wherein: the number of the movable grooves (3) is four.

7. An in-hole reverse circulation drilling device for forming a hole in a large-diameter shaft according to claim 1, wherein: the devices for fixing the connecting blocks (12) are symmetrically distributed by taking the center line of the drill rod (1) as the center.