CN210049840U

CN210049840U - Connecting and fixing device for drill rod fisher

Info

Publication number: CN210049840U
Application number: CN201920465454.4U
Authority: CN
Inventors: 徐艳; 王辉; 郭咏
Original assignee: Exploration And Exploration Of Polytron Technologies Inc
Current assignee: Exploration And Exploration Of Polytron Technologies Inc
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2020-02-11
Anticipated expiration: 2029-04-08

Abstract

The utility model discloses a drilling rod is connection fixing device for fisher, including first adapter sleeve and second adapter sleeve, axial through-hole has all been opened to first adapter sleeve and second adapter sleeve one side, and first adapter sleeve and second adapter sleeve both sides end have all been opened radial screw, and radial screw in-connection has the screw rod, and threaded connection has the nut on the screw rod, and the nut upper end is equipped with the limiting plate. The upper end of the limiting plate is provided with a fixing plate, the bottom end of the fixing plate is provided with a limiting groove, and the bottom end of the fixing plate is provided with a pressing mechanism. The utility model discloses a screw carries out the butt to the fisher body of rod and fixes, then further reinforces through the nut, makes the difficult not hard up of fisher extension bar behind the threaded connection. Simultaneously, the top of screw rod is equipped with the limiting plate, and after limiting plate and spacing groove chucking cooperation, under the tensile force effect of elasticity spring, the effort of limiting plate is further chucking with the spacing groove downwards, and the screw rod can't rotate, makes it carry out long-time connection fixed to fisher extension bar.

Description

Connecting and fixing device for drill rod fisher

Technical Field

The utility model relates to a field, specific is a drilling rod fisher is with connecting fixing device.

Background

When the operations such as creep into or drainage to coal field geology hole, can meet drilling rod or the cracked condition of water pipe appearance, the fracture part can not salvage smoothly in downthehole, because underground depth is darker, fisher extension body of rod needs threaded connection to increase holistic length, but the limitation of underground salvage operation leads to salvaging the difficulty, salvage time is long, threaded connection's the body of rod is very easy not hard up until droing, only threaded connection is obvious firm inadequately between the body of rod and the body of rod, under the above background art, now provide a drilling rod fisher with connecting fixing device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drilling rod fisher is with connecting fixing device, the utility model discloses a screw carries out the butt to the fisher body of rod fixed, then further reinforces through the nut, makes the difficult not hard up of fisher extension bar behind the threaded connection.

Simultaneously, the top of screw rod is equipped with the limiting plate, and after limiting plate and spacing groove chucking cooperation, under the tensile force effect of elasticity spring, the effort of limiting plate is further chucking with the spacing groove downwards, and the screw rod can't rotate, makes it carry out long-time connection fixed to fisher extension bar.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a drilling rod is connection fixing device for fishing ware, includes first adapter sleeve and second adapter sleeve, first adapter sleeve and second adapter sleeve one side all open with the fishing ware body of rod chucking complex axial through-hole, first adapter sleeve and second adapter sleeve both sides end all opened radial screw, radial screw both ends all opened the dark slot of T type that has the array distribution.

The screw rod is connected in the radial screw hole, a nut is connected on the screw rod in a threaded mode, and a limiting plate is arranged at the upper end of the nut.

The limiting plate upper end is equipped with the fixed plate, and the spacing groove that has and spacing integrated circuit board tight fit is opened to the fixed plate bottom, and the fixed plate bottom is equipped with the hold-down mechanism of array distribution.

Hold-down mechanism is including fixing the connecting rod in the fixed plate bottom, and the annular breach that the connecting rod seal run through the connecting pipe box top was seted up, and the connecting rod bottom is equipped with the butt board, and the butt board is sealed to be set up in the inner chamber of connecting pipe box.

Furthermore, the first connecting sleeve and the second connecting sleeve are mutually matched and clamped and connected through square notches which are formed in one end of the first connecting sleeve and distributed in an array mode and square convex blocks which are formed in one end of the second connecting sleeve and distributed in an array mode.

Further, the limiting plate is fixed at the top end of the screw rod, and the cross section of the limiting plate is a regular polygon.

Further, the bottom end of the abutting plate is fixedly welded with a strong spring, the bottom end of the strong spring is fixed to the inner bottom wall of the connecting pipe sleeve, a sliding block is fixed to the bottom end of the connecting pipe sleeve, and the sliding block and the connecting pipe sleeve are integrally arranged in the T-shaped deep groove in a sliding mode.

The utility model has the advantages that:

the utility model discloses a screw carries out the butt to the fisher body of rod and fixes, then further reinforces through the nut, makes the difficult not hard up of fisher extension bar behind the threaded connection.

Drawings

The present invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is an exploded view of the first and second connection sleeves of the present invention;

FIG. 3 is a schematic view of the screw connection structure of the present invention;

FIG. 4 is a schematic cross-sectional view of the overall structure of the present invention;

fig. 5 is a schematic view of the fixing plate and the pressing mechanism of the present invention;

fig. 6 is a schematic cross-sectional view of the pressing mechanism of the present invention.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

A connection fixing device for a drill rod fisher is shown in figures 1 and 2 and comprises a first connecting sleeve 1 and a second connecting sleeve 2, square notches 11 which are arranged at one end of the first connecting sleeve 1 and are distributed in an array mode and square bumps 21 which are arranged at one end of the second connecting sleeve 2 and are distributed in an array mode are arranged between the first connecting sleeve 1 and the second connecting sleeve 2 and matched with each other in a clamping mode, and the first connecting sleeve 1 or the second connecting sleeve 2 moves synchronously.

As shown in fig. 2, axial through holes 12 tightly matched with the fishing rod body are formed in one side of each of the first connecting sleeve 1 and the second connecting sleeve 2, radial screw holes 13 are formed in two side ends of each of the first connecting sleeve 1 and the second connecting sleeve 2, and T-shaped deep grooves 14 distributed in an array manner are formed in two ends of each of the radial screw holes 13.

As shown in fig. 1 and 3, a screw rod 3 is connected in the radial screw hole 13, a nut 31 is connected to the screw rod 3 in a threaded manner, a limiting plate 32 is arranged at the upper end of the nut 31, the limiting plate 32 is fixed at the top end of the screw rod 3, and the cross section of the limiting plate 32 is a regular polygon.

When the overshot penetrates the first and second connection sleeves 1 and 2, the screw 3 is tightened until the bottom end of the screw 3 abuts the overshot, and then the nut 31 is screwed to be fixed to the side walls of the first and second connection sleeves 1 and 2, as shown in fig. 4.

As shown in fig. 1 and 5, the upper end of the limiting plate 32 is provided with a fixing plate 4, the bottom end of the fixing plate 4 is provided with a limiting groove 41 tightly fitted with the limiting plate 32, and the bottom end of the fixing plate 4 is provided with pressing mechanisms 5 distributed in an array.

As shown in fig. 6, the pressing mechanism 5 includes a connecting rod 51 fixed at the bottom end of the fixed plate 4, the connecting rod 51 seals an annular gap 5201 opened through the top end of the connecting pipe sleeve 52, the bottom end of the connecting rod 51 is provided with a supporting plate 5101, and the supporting plate 5101 is hermetically arranged in the inner cavity of the connecting pipe sleeve 52. The bottom end of the abutting plate 5101 is fixedly welded with a strong spring 53, the bottom end of the strong spring 53 is fixed on the inner bottom wall of the connecting pipe sleeve 52, the bottom end of the connecting pipe sleeve 52 is fixedly provided with a sliding block 54, and the sliding block 54 and the connecting pipe sleeve 52 are integrally arranged in the T-shaped deep groove 14 in a sliding mode.

The drilling rod fisher needs threaded connection for many times to increase the overall length, during use, the axial through hole 12 of the fishing device body is sleeved with the fishing device body clamping sleeve shown in fig. 1, the threaded connection position is located at the contact surface position of the first connecting sleeve 1 and the second connecting sleeve 2, the screw 3 is screwed until the bottom end of the screw 3 is abutted to the fishing device body, then the screw cap 31 is screwed to be fixed with the side wall, the rotation angle of the limiting plate 32 is finely adjusted to be clamped with the limiting groove 41, as shown in fig. 4, the strong spring 53 is in a stretching state, and the acting force of the limiting plate 32 is downward clamped with the limiting groove 41 further.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A connecting and fixing device for a drill rod fisher comprises a first connecting sleeve (1) and a second connecting sleeve (2), and is characterized in that one side of each of the first connecting sleeve (1) and the second connecting sleeve (2) is provided with an axial through hole (12) which is tightly matched with a fisher rod body in a clamping manner, two side ends of each of the first connecting sleeve (1) and the second connecting sleeve (2) are provided with radial screw holes (13), and two ends of each radial screw hole (13) are provided with T-shaped deep grooves (14) which are distributed in an array manner;

a screw rod (3) is connected in the radial screw hole (13), a screw cap (31) is connected to the screw rod (3) in a threaded manner, and a limiting plate (32) is arranged at the upper end of the screw cap (31);

the upper end of the limiting plate (32) is provided with a fixing plate (4), the bottom end of the fixing plate (4) is provided with a limiting groove (41) which is tightly matched with the limiting plate (32), and the bottom end of the fixing plate (4) is provided with pressing mechanisms (5) which are distributed in an array manner;

the pressing mechanism (5) comprises a connecting rod (51) fixed at the bottom end of the fixing plate (4), the connecting rod (51) penetrates through an annular gap (5201) formed in the top end of the connecting pipe sleeve (52) in a sealing mode, a supporting plate (5101) is arranged at the bottom end of the connecting rod (51), and the supporting plate (5101) is arranged in an inner cavity of the connecting pipe sleeve (52) in a sealing mode.

2. The connection and fixation device for the drill pipe fisher according to claim 1, wherein the first connection sleeve (1) and the second connection sleeve (2) are mutually matched and clamped and connected through square notches (11) which are formed in one end of the first connection sleeve (1) and distributed in an array manner and square lugs (21) which are formed in one end of the second connection sleeve (2) and distributed in an array manner.

3. The connection and fixation device for the drill pipe fisher according to claim 1, wherein the limiting plate (32) is fixed at the top end of the screw rod (3), and the cross section of the limiting plate (32) is a regular polygon.

4. The connection and fixation device for the drill pipe fisher according to claim 1, wherein a strong spring (53) is welded and fixed at the bottom end of the abutting plate (5101), the bottom end of the strong spring (53) is fixed on the inner bottom wall of the connection pipe sleeve (52), a sliding block (54) is fixed at the bottom end of the connection pipe sleeve (52), and the sliding block (54) and the connection pipe sleeve (52) are integrally arranged in the T-shaped deep groove (14) in a sliding mode.