CN112901093A - Auxiliary device for iron pipe discharging of drilling machine and installation method - Google Patents

Abstract

The invention discloses an auxiliary device for a drilling machine to lower an iron pipe and an installation method, wherein the auxiliary device comprises a chassis connected with a gyrator, a clamping ring and inserting pieces, wherein a through hole is formed in the center of the chassis, at least two inserting pieces used for tightly holding the iron pipe are fixed at the edge of the through hole through the clamping ring, and the inserting pieces are annularly distributed by taking the axis of the through hole as the center; one side that the snap ring is close to the chassis is equipped with and establishes the recess that quantity corresponds with the inserted sheet, the inserted sheet includes inserted sheet body and bead, inserted sheet body bottom is equipped with the bead of keeping away from the through-hole center, the inserted sheet body sets up at the snap ring intra-annular, the setting that the bead can be gliding is inside the recess. The auxiliary device has the advantages that the auxiliary device can clamp and fix the iron pipe, the tile clamp does not need to be replaced, the installation process is quick and convenient, more working hours can be saved, and professional machine maintenance personnel can be saved; the performance is reliable, the abrasion is small, and the service life is long; through the thickness that changes the inserted sheet body, can be applicable to the tight fixed of clamp of multiple diameter iron pipe.

Description

Auxiliary device for iron pipe discharging of drilling machine and installation method

Technical Field

The invention relates to the technical field of drilling machine equipment, in particular to an auxiliary device for a drilling machine to discharge an iron pipe and an installation method.

Background

In recent years, the gas treatment technology of replacing a tunnel with a hole is gradually mature, for example, the Chinese patent publication No. CN111594258A discloses a technical method for quickly extracting gas from a broken soft low-permeability outburst coal seam by replacing the tunnel with the hole, and the gas treatment technology of replacing the tunnel with the hole is disclosed. After the directional drilling construction of replacing the hole with the roadway is finished, in order to ensure a gas extraction channel, a rock core pipe is required to be inserted into the whole course for hole protection. Due to the large number of core tubes (generally hundreds of meters), the core tubes are not accessible to human power, and the iron tubes are often fed into the holes by a drilling machine. For example, in the drilling construction, the diameter of a drill rod is phi 89mm, and the diameter of a core barrel is phi 73mm, so that when the drill rod is directly used, the drill gyrator cannot hold the core barrel, and the slips in the drill gyrator need to be replaced by phi 73 mm. The conventional method for replacing the slips of the drilling machine gyrator is complex in procedure, the slips are replaced once after construction is finished and one drill hole is drilled, the slips are inconvenient to disassemble and assemble, the input personnel and time are more, and the safety risk is high.

Disclosure of Invention

The invention aims to provide an auxiliary device for a lower iron pipe, which is convenient and safe to install.

In order to solve the technical problems, the invention provides the following technical scheme:

the utility model provides an auxiliary device that iron pipe was used under rig, is including chassis, snap ring and the inserted sheet of connecting the gyrator, the chassis center is provided with the through-hole, through-hole edge is used for holding tightly the inserted sheet of iron pipe through fixed two at least inserted sheets of snap ring, and the inserted sheet of locating uses the through-hole axis to be cyclic annular distribution as the center.

One side that the snap ring is close to the chassis is equipped with and establishes the recess that quantity corresponds with the inserted sheet, the inserted sheet includes inserted sheet body and bead, inserted sheet body bottom is equipped with the bead of keeping away from the through-hole center, the inserted sheet body sets up at the snap ring intra-annular, the setting that the bead can be gliding is inside the recess.

The auxiliary device can clamp and fix the iron pipe, the tile clamp does not need to be replaced in the installation process, the clamping and fixing of the iron pipe with small size can be completed only by installing the auxiliary device, the installation process is quick and convenient, more working hours can be saved, and professional machine maintenance personnel can be saved; the auxiliary device realizes the functions of pushing and rotating after being held tightly in the using process, has reliable performance, small abrasion and long service life; in addition, the thickness of the insert body is changed, so that the insert can be suitable for clamping and fixing iron pipes with various diameters.

Preferably, an upper flanging is arranged on the chassis at the edge of the through hole, and a lower flanging is arranged at the bottom of the edge; through the setting of turn-ups and turn down rims, carry on spacingly when removing the inserted sheet to through-hole center direction, prevent that the inserted sheet from droing between chassis and the snap ring.

Preferably, the bottom surface of the clamping ring is provided with a clamping groove matched with the upper flanging in a clamping manner; the clamping ring has a certain positioning effect when being installed, and the clamping ring can be installed only by rotating the clamping ring to enable the fixing through hole to be aligned with the threaded hole.

Preferably, the upper flange and the lower flange have equal thickness.

Preferably, a plurality of threaded holes are formed in the bottom surface of the clamping ring between the grooves, and fixing through holes coaxial with the threaded holes are formed in the chassis at positions corresponding to the bottoms of the threaded holes.

Preferably, the fixing through hole is connected with the threaded hole through a bolt to fix the clamping ring on the chassis.

Preferably, the chassis is further provided with a mounting hole connected with the gyrator. Preferably, one end of the bracket close to the inner spigot opening is provided with a mistake-proof convex rib.

Preferably, the number of the inserting sheets is four, and the inserting sheets are uniformly distributed in a ring shape.

Preferably, the present invention further provides a method for installing an auxiliary device for a drill for a lower iron pipe, comprising the steps of:

step 1: sleeving an insert body on the insert in the snap ring, and arranging the edge opening in the groove;

step 2: placing the clamping ring and the inserting piece at the edge of the through hole of the chassis, and fixing the clamping ring on the chassis, so that the fixed end of the inserting piece is fixed between the clamping ring and the chassis;

and step 3: then the chassis is fixed on the gyrator, the insert body extends into the gyrator, then the iron pipe extends into the space between the annularly distributed insert bodies,

and 4, step 4: the slips with large sizes in the gyrator are contracted inwards, the inserting pieces are close to the outer wall of the iron pipe, and the bead is driven to slide on the groove and tightly hold the iron pipe.

Compared with the prior art, the invention has the beneficial effects that:

1. through supporting the pressure the shell fragment causes the support to hug closely at car bumper skin inner wall, and then causes nozzle button head and support to hug closely on car bumper skin outer wall and inner wall, realizes the fixed of nozzle, and this simple structure only needs to set up the nozzle button head in the car outside, and easy dismouting is easily maintained, greatly reduced manufacturing cost.

2. Through the setting of turn-ups and turn down rims, carry on spacingly when removing the inserted sheet to through-hole center direction, prevent that the inserted sheet from droing between chassis and the snap ring.

3. Through the setting of draw-in groove, the snap ring plays certain positioning action when the installation, only needs to rotate the snap ring and makes fixed through hole aim at with the screw hole and can install the snap ring.

Drawings

FIG. 1 is a top view of an embodiment of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a top view of a chassis according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a chassis according to an embodiment of the present invention;

FIG. 5 is a top view of a snap ring according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of a snap ring according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view of an insert according to an embodiment of the present invention.

Detailed Description

In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless explicitly stated or limited otherwise, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 7, this embodiment discloses an auxiliary device that iron pipe was used under rig, including chassis 1, snap ring 2 and the inserted sheet 3 of connecting the gyrator, chassis 1 center is provided with through- hole 11, 11 edges of through-hole are fixed at least two inserted sheets 3 that are used for holding tightly the iron pipe through snap ring 2, and the inserted sheet 3 of locating uses through-hole 11 axis to be cyclic annular distribution as the center, and in this embodiment, the quantity of inserted sheet 3 is four and is cyclic annular evenly distributed.

One side that snap ring 2 is close to chassis 1 is equipped with and establishes the recess 21 that quantity corresponds with inserted sheet 3, inserted sheet 3 includes inserted sheet body 31 and bead 32, inserted sheet body 31 bottom is equipped with the bead 32 of keeping away from through-hole 11 center, inserted sheet body 31 sets up at snap ring 2 intra-rings, bead 32 can gliding setting inside recess 21.

Sleeving the insert body 31 on the four inserts 3 in the clamp ring 2, arranging the bead 32 in the groove 21, then placing the clamp ring 2 and the inserts 3 at the edge of the through hole 11 of the chassis 1, and fixing the clamp ring 2 on the chassis 1 to finish the installation of the device; specifically, during operation, the chassis 1 on the device is fixed on a gyrator, meanwhile, the inserting piece body 31 extends into the gyrator, then an iron pipe extends into the space between the inserting piece bodies 31 which are distributed in an annular shape, and then the original large-size slips in the gyrator are contracted inwards to enable the inserting piece 3 to approach the outer wall of the iron pipe, so that the bead 32 is driven to slide on the groove 21 and tightly hold the iron pipe, the clamping and fixing of the iron pipe are realized, the tile clamp does not need to be replaced in the process, the clamping and fixing of the small-size iron pipe can be completed only by installing the auxiliary device, the installation process is quick and convenient, more working hours can be saved, and professional machine maintenance personnel are saved; the auxiliary device realizes the functions of pushing and rotating after being held tightly in the using process, has reliable performance, small abrasion and long service life; in addition, the thickness of the insert body is changed, so that the insert can be suitable for clamping and fixing iron pipes with various diameters.

Be provided with turn-ups 12 on the chassis 1 of through-hole 11 edge, the bottom of bead 32 is equipped with down turn-ups 33, turn-ups 12 and down turn-ups 33's thickness equals, and through the setting of turn-ups 12 and down turn-ups 33, carry on spacingly when moving through-hole 11 central direction to inserted sheet 3, prevent that inserted sheet 3 from droing between chassis 1 and snap ring 2.

The bottom surface of the clamping ring 2 between the grooves 21 is provided with a plurality of threaded holes 22, the chassis 1 at the corresponding position of the bottom of each threaded hole 22 is provided with a fixing through hole 13 coaxial with the threaded hole, and the fixing through hole 13 and the threaded hole 22 are connected through a bolt (not shown) to fix the clamping ring 2 on the chassis 1.

Furthermore, the clamping groove 23 in clamping fit with the upper flange 12 is formed in the bottom surface of the clamping ring 2, a certain positioning effect is achieved when the clamping ring 2 is installed, and the clamping ring 2 can be installed only by rotating the clamping ring 2 to enable the fixing through hole 13 to be aligned with the threaded hole 22.

Further, the chassis 1 is also provided with a mounting hole 14 connected with the gyrator.

The embodiment also discloses an installation method of the auxiliary device for the iron pipe falling of the drilling machine, which comprises the following steps:

step 1: sleeving the insert body 31 on the four inserts 3 in the snap ring 2, and arranging the bead openings 32 in the grooves 21;

step 2: placing the clamp ring 2 and the inserting piece 3 at the edge of the through hole 11 of the chassis 1, placing the clamp ring 2 on the chassis 1, enabling the clamp groove 23 to be in clamping fit with the upper flanging 12, then rotating the clamp ring 2 to enable the fixing through hole 13 to be aligned with the threaded hole 22, finally penetrating the fixing through hole 13 through a bolt to be in threaded locking connection with the threaded hole 22, fixing the clamp ring 2 on the chassis 1, and completing installation of the device;

and step 3: the chassis 1 is fixed on the gyrator by penetrating through the mounting hole 14 on the chassis 1 through a bolt, meanwhile, the insert body 31 extends into the gyrator, and then an iron pipe extends into the space between the insert bodies 31 which are distributed annularly;

and 4, step 4: and finally, the original large-size slips in the gyrator contract inwards, so that the inserting pieces 3 are close to the outer wall of the iron pipe, the bead 32 is driven to slide on the groove 21 and tightly hold the iron pipe, and the iron pipe is clamped and fixed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The above-mentioned embodiments only represent embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the concept of the present invention, and these embodiments are all within the protection scope of the present invention.

Claims (9)

1. The utility model provides an auxiliary device that iron pipe was used under rig which characterized in that: the clamping ring is arranged at the edge of the through hole, at least two inserting pieces used for tightly holding an iron pipe are fixed at the edge of the through hole through the clamping ring, and the inserting pieces are annularly distributed by taking the axis of the through hole as the center;

one side that the snap ring is close to the chassis is equipped with and establishes the recess that quantity corresponds with the inserted sheet, the inserted sheet includes inserted sheet body and bead, inserted sheet body bottom is equipped with the bead of keeping away from the through-hole center, the inserted sheet body sets up at the snap ring intra-annular, the setting that the bead can be gliding is inside the recess.

2. The auxiliary device for drilling the iron pipe under the drill according to claim 1, wherein: an upper flanging is arranged on the chassis at the edge of the through hole, and a lower flanging is arranged at the bottom of the edge.

3. The auxiliary device for drilling the iron pipe under the drill according to claim 2, wherein: the bottom surface of the clamping ring is provided with a clamping groove matched with the upper flanging in a clamping manner.

4. The auxiliary device for drilling the iron pipe under the drill according to claim 2, wherein: the upper flanging and the lower flanging are equal in thickness.

5. The auxiliary device for drilling the iron pipe under the drill according to claim 1, wherein: the bottom surface of the snap ring between the grooves is provided with a plurality of threaded holes, and the chassis at the corresponding position of the bottom of each threaded hole is provided with a fixing through hole coaxial with the threaded hole.

6. The auxiliary device for drilling the iron pipe below the drill according to claim 5, wherein: the fixing through holes are connected with the threaded holes through bolts to fix the clamping ring on the chassis.

7. The auxiliary device for drilling the iron pipe under the drill according to claim 1, wherein: and the chassis is also provided with a mounting hole connected with the gyrator.

8. The auxiliary device for drilling the iron pipe under the drill according to claim 1, wherein: the quantity of inserted sheet is four and is cyclic annular evenly distributed.

The clamping ring is arranged at the edge of the through hole, at least two inserting pieces used for tightly holding an iron pipe are fixed at the edge of the through hole through the clamping ring, and the inserting pieces are annularly distributed by taking the axis of the through hole as the center;

one side that the snap ring is close to the chassis is equipped with and establishes the recess that quantity corresponds with the inserted sheet, the inserted sheet includes inserted sheet body and bead, inserted sheet body bottom is equipped with the bead of keeping away from the through-hole center, the inserted sheet body sets up at the snap ring intra-annular, the setting that the bead can be gliding is inside the recess.

9. The method for installing the auxiliary device for the iron pipe under the drilling machine according to any one of claims 1 to 8, wherein: the method comprises the following steps:

step 1: sleeving an insert body on the insert in the snap ring, and arranging the edge opening in the groove;

step 2: placing the clamping ring and the inserting piece at the edge of the through hole of the chassis, and fixing the clamping ring on the chassis, so that the fixed end of the inserting piece is fixed between the clamping ring and the chassis;

and step 3: then the chassis is fixed on the gyrator, the insert body extends into the gyrator, then the iron pipe extends into the space between the annularly distributed insert bodies,

and 4, step 4: the slips with large sizes in the gyrator are contracted inwards, the inserting pieces are close to the outer wall of the iron pipe, and the bead is driven to slide on the groove and tightly hold the iron pipe.

Images