CN210768624U

CN210768624U - Coiled tubing production string connector

Info

Publication number: CN210768624U
Application number: CN201921527983.9U
Authority: CN
Inventors: 巩持勋; 貌成川; 巩舒舒
Original assignee: Henan Zhongyi Petroleum Technology Co ltd
Current assignee: Henan Zhongyi Petroleum Technology Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-06-16
Anticipated expiration: 2029-09-16

Abstract

The utility model belongs to the technical field of connectors, in particular to a continuous oil pipe production pipe column connector, aiming at the problem of troublesome cylinder disassembly and assembly in the prior production pipe column connector, and bringing about a very troublesome problem to the maintenance work of the pipe column, the proposal is provided, which comprises a fixed seat, a connecting hole is arranged on the fixed seat, a cylinder is movably arranged in the connecting hole, a plurality of placing grooves are evenly arranged on the inner wall of the connecting hole, a slide block is arranged in the placing groove, a wedge block is fixedly arranged at one side of the slide block close to the cylinder, a plurality of first inclined blocks and a plurality of second inclined blocks are evenly and fixedly arranged on the cylinder, the second inclined blocks are arranged above the corresponding first inclined blocks, and the first inclined blocks are matched with the corresponding wedge blocks, the utility model has simple structure and convenient use, can more conveniently disassemble and overhaul the cylinder, and is convenient to maintain the cylinder, meanwhile, the cylinder is convenient to replace.

Description

Coiled tubing production string connector

Technical Field

The utility model relates to a connector technical field especially relates to a continuous oil pipe produces tubular column connector.

Background

The effective development of shale gas resources benefits mainly from the implementation of large-scale fracturing technologies, which require sufficiently large fluid passages, and the prior art implements large-scale fracturing construction mainly through casing pipes. The production string is required to be put into under pressure after fracturing is finished, and two main methods of putting an oil pipe of an under-pressure operation machine and putting a continuous oil pipe of a continuous oil pipe operation machine are adopted at present. The existing oil pipe production pipe column connector mainly comprises an upper body and a lower body, wherein the upper body and the lower body are both in a cylindrical shape, the upper body is fixedly connected with the lower body, a locking mechanism is installed in the lower body, the locking mechanism tightly bites the continuous oil pipe so as to connect the lower body with the continuous oil pipe, threads are arranged on the outer side wall of the upper body, and a fishing neck is arranged on the inner side wall of the upper body, so that the oil pipe head can be fished.

The existing oil pipe production tubular column connector has the problem that a column body is troublesome to disassemble and assemble when in use, and great trouble is brought to the overhauling and maintenance work of a tubular column, so that the problem is solved by providing the continuous oil pipe production tubular column connector.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the cylinder dismouting is troublesome among the existence production tubular column connector among the prior art, brought very big troublesome shortcoming to the maintenance work of tubular column, and the continuous oil pipe production tubular column connector who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a continuous oil pipe production pipe column connector comprises a fixed seat, wherein a connecting hole is formed in the fixed seat, a column body is movably installed in the connecting hole, a plurality of placing grooves are uniformly formed in the inner wall of the connecting hole, a sliding block is arranged in each placing groove, a wedge block is fixedly installed on one side, close to the column body, of each sliding block, a plurality of first inclined blocks and a plurality of second inclined blocks are uniformly and fixedly installed on the column body, the second inclined blocks are located above the corresponding first inclined blocks, the first inclined blocks are matched with the corresponding wedge blocks, two fixing rods are fixedly installed in the placing grooves, the top ends and the bottom ends of the fixing rods are respectively and fixedly installed on the inner walls of the top and the bottom of the corresponding placing grooves, the same sliding seat is slidably installed on the two fixing rods in the same placing groove, a spring groove is formed in one side, close to the column body, one side of each sliding block extends, at first slide in the cylinder to the connecting hole and insert for the cylinder drives the inclined plane contact extrusion of second sloping block and the wedge that corresponds, makes the wedge slide to one side of the slide that corresponds, and the slide slides and drives T type pin rod slip, removes the spacing to first sloping block, realizes demolising of cylinder, conveniently overhauls the development of maintenance work.

Preferably, the spring groove is kept away from one side inner wall of spring groove open-ended and is gone up the one end of fixed mounting first spring, and the other end fixed mounting of first spring is on the slider that corresponds, and the bottom fixed mounting of slide has the one end of second spring, and the other end fixed mounting of second spring is on the bottom inner wall of the standing groove that corresponds, and the wedge drives the slider and slides, and the slider drives the first spring atress that corresponds and stretches out and draws back.

Preferably, the one end of pull rod is installed in the rotation on the dead lever, and the other end of pull rod rotates and installs on the wedge that corresponds, because the cooperation of pull rod realizes that the slide slides on the dead lever.

Preferably, a plurality of pinholes are evenly seted up in the outside of fixing base, and the pinhole communicates with corresponding standing groove, and when T type pin pole and corresponding pinhole aim at, because the elasticity of third spring makes T type pin pole insert in the pinhole that corresponds, the realization is spacing to the slide.

Preferably, the both sides of slide equal fixed mounting have the fixed block, and slidable mounting has T type pin pole on the fixed block, and one side fixed mounting of T type pin pole has the one end of third spring, and the other end fixed mounting of third spring is on the fixed block that corresponds, and the elasticity of third spring can tighten T type pin pole for T type pin pole can in time slide to the pinhole that corresponds in.

In the utility model, when the continuous oil pipe production pipe column connector needs to be maintained and replaced, the column body is firstly inserted into the connecting hole in a sliding manner, so that the wedge block slides to one side of the corresponding sliding seat, the sliding seat slides to drive the T-shaped pin rod to slide, the limit of the first inclined block is removed, the column body is removed, and the maintenance work is conveniently carried out;

the wedge block drives the sliding block to slide, the sliding block drives the corresponding first spring to stretch under stress, the sliding seat slides on the fixed rod due to the matching of the pull rod, and when the T-shaped pin rod is aligned with the corresponding pin hole, the T-shaped pin rod is inserted into the corresponding pin hole due to the elastic force of the third spring, so that the sliding seat is limited;

the utility model discloses simple structure, convenient to use, can be more convenient dismantle the maintenance to the cylinder, the convenience is maintained the cylinder, makes things convenient for the cylinder to change simultaneously.

Drawings

Fig. 1 is a schematic structural view of a coiled tubing production string connector according to the present invention;

fig. 2 is a schematic sectional view of a part a of a coiled tubing production string connector according to the present invention;

fig. 3 is a schematic top view of the coiled tubing production string connector according to the present invention.

In the figure: the spring clamp comprises a fixed seat 1, a connecting hole 2, a column 3, a placing groove 4, a sliding block 5, a wedge-shaped block 6, a first inclined block 7, a second inclined block 8, a fixing rod 9, a sliding seat 10, a spring groove 11, a first spring 12, a first spring 13, a pull rod 14, a pin hole 15, a fixed block 16, a pin rod 17T and a third spring 18.

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.

Example one

Referring to fig. 1-3, a coiled tubing production string connector comprises a fixing base 1, a connecting hole 2 is formed on the fixing base 1, a cylinder 3 is movably installed in the connecting hole 2, a plurality of placing grooves 4 are uniformly formed on the inner wall of the connecting hole 2, sliders 5 are arranged in the placing grooves 4, wedges 6 are fixedly installed on one side, close to the cylinder 3, of each slider 5, a plurality of first inclined blocks 7 and a plurality of second inclined blocks 8 are uniformly and fixedly installed on the cylinder 3, the second inclined blocks 8 are located above the corresponding first inclined blocks 7, the first inclined blocks 7 are matched with the corresponding wedges 6, two fixing rods 9 are fixedly installed in the placing grooves 4, the top ends and the bottom ends of the fixing rods 9 are respectively and fixedly installed on the top inner wall and the bottom inner wall of the corresponding placing grooves 4, the same sliding base 10 is slidably installed on the two fixing rods 9 located in the same placing groove 4, a spring groove 11 is formed on one side, close to the cylinder 3, one side of slider 5 extends to in the spring groove 11 that corresponds, when needing to overhaul the change, at first slide 3 to connecting hole 2 with cylinder and insert, make cylinder 3 drive the inclined plane contact extrusion of second sloping block 8 and the wedge 6 that corresponds, make wedge 6 slide to one side of the slide 10 that corresponds, slide 10 slides and drives T type pin rod 17 and slide, 6 most are accomodate to standing groove 4 in the wedge this moment, remove spacing to first sloping block 7, realize dismantling of cylinder 3, the development of the maintenance work of conveniently overhauing.

The utility model discloses in, fixed mounting has the one end of first spring 12 on spring groove 11 keeps away from spring groove 11 open-ended one side inner wall, and the other end fixed mounting of first spring 12 is on corresponding slider 5, and the bottom fixed mounting of slide 10 has the one end of second spring 13, and the other end fixed mounting of second spring 13 is on the bottom inner wall of corresponding standing groove 4, and wedge 6 drives slider 5 and slides, and slider 5 drives the first spring 12 atress that corresponds and stretches out and draws back.

The utility model discloses in, rotate the one end of installing pull rod 14 on the dead lever 9, the other end of pull rod 14 rotates and installs on corresponding wedge 6, because pull rod 14's cooperation realizes that slide 10 slides on dead lever 9.

The utility model discloses in, a plurality of pinholes 15 have evenly been seted up in the outside of fixing base 1, and pinhole 15 and the standing groove 4 intercommunication that corresponds, when T type pin 17 aligns with the pinhole 15 that corresponds, because the elasticity of third spring 18 makes T type pin 17 insert corresponding pinhole 15 in, realize spacing to slide 10.

The utility model discloses in, the equal fixed mounting in both sides of slide 10 has fixed block 16, and slidable mounting has T type pin 17 on the fixed block 16, and one side fixed mounting of T type pin 17 has the one end of third spring 18, and the other end fixed mounting of third spring 18 can tighten T type pin 17 to the elasticity of third spring 18 on the fixed block 16 that corresponds for T type pin 17 can in time slide to the pinhole 15 that corresponds in.

Example two

Referring to fig. 1-3, a continuous oil pipe production string connector comprises a fixed seat 1, a connecting hole 2 is formed on the fixed seat 1, a cylinder 3 is movably installed in the connecting hole 2, a plurality of placing grooves 4 are uniformly formed on the inner wall of the connecting hole 2, sliders 5 are arranged in the placing grooves 4, wedges 6 are fixedly installed on one side, close to the cylinder 3, of each slider 5 through welding, a plurality of first wedges 7 and a plurality of second wedges 8 are fixedly installed on the cylinder 3 through welding, the second wedges 8 are located above the corresponding first wedges 7, the first wedges 7 are matched with the corresponding wedges 6, two fixing rods 9 are fixedly installed in the placing grooves 4 through welding, the top ends and the bottom ends of the fixing rods 9 are fixedly installed on the top inner wall and the bottom inner wall of the corresponding placing grooves 4 through welding respectively, the same sliding seat 10 is slidably installed on the two fixing rods 9 in the same placing groove 4, spring groove 11 has been seted up to one side that slide 10 is close to cylinder 3, one side of slider 5 extends to the spring groove 11 that corresponds in, when needing to overhaul the change, at first slide 3 to connecting hole 2 with cylinder and insert, make cylinder 3 drive the inclined plane contact extrusion of second sloping block 8 and the wedge 6 that corresponds, make wedge 6 slide to one side of the slide 10 that corresponds, slide 10 slides and drives T type pin bar 17 and slide, 6 most of wedge are accomodate to standing groove 4 this moment, remove spacing to first sloping block 7, realize dismantling of cylinder 3, the development of the maintenance work of conveniently overhauing.

The utility model discloses in, there is the one end of first spring 12 spring 11 one side inner wall keeping away from spring groove 11 on through welded fastening, the other end of first spring 12 passes through welded fastening and installs on corresponding slider 5, welded fastening is passed through to the bottom of slide 10 and installs the one end of second spring 13, welded fastening is passed through to the other end of second spring 13 and installs on the bottom inner wall of corresponding standing groove 4, wedge 6 drives slider 5 and slides, slider 5 drives the first spring 12 atress that corresponds and stretches out and draws back.

The utility model discloses in, the both sides of slide 10 all have fixed block 16 through welded fastening, slidable mounting has T type pin 17 on the fixed block 16, and welded fastening installs the one end of third spring 18 in one side of T type pin 17, and the other end of third spring 18 passes through welded fastening to be installed on the fixed block 16 that corresponds, and the elasticity of third spring 18 can tighten T type pin 17 for T type pin 17 can in time slide to the pinhole 15 that corresponds in.

The working principle is as follows: when the device is used, when the device needs to be overhauled and replaced, firstly, the cylinder 3 is inserted into the connecting hole 2 in a sliding manner, so that the cylinder 3 drives the second inclined block 8 to be in contact with and extruded with the inclined surface of the corresponding wedge block 6, the wedge block 6 slides to one side of the corresponding slide seat 10, the wedge block 6 drives the slide block 5 to slide, the slide block 5 drives the corresponding first spring 12 to stretch under stress, the corresponding pull rod 14 is driven to rotate and move by sliding of the wedge block 6, the slide seat 10 slides on the fixed rod 9 by rotating and extruding the pull rod 14 on the corresponding fixed rod 9, the slide seat 10 slides to drive the T-shaped pin 17 to slide, when the T-shaped pin 17 is aligned with the corresponding pin hole 15, the T-shaped pin 17 is inserted into the corresponding pin hole 15 by the elastic force of the third spring 18, so as to limit the slide seat 10, most of the wedge block 6 is accommodated in the accommodating groove 4 at the moment, and, the cylinder 3 is dismantled, and the maintenance work is convenient to carry out.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The continuous oil pipe production pipe column connector comprises a fixing seat (1) and is characterized in that a connecting hole (2) is formed in the fixing seat (1), a cylinder (3) is movably mounted in the connecting hole (2), a plurality of placing grooves (4) are uniformly formed in the inner wall of the connecting hole (2), a sliding block (5) is arranged in each placing groove (4), a wedge block (6) is fixedly mounted on one side, close to the cylinder (3), of the sliding block (5), a plurality of first inclined blocks (7) and a plurality of second inclined blocks (8) are uniformly and fixedly mounted on the cylinder (3), the second inclined blocks (8) are located above the corresponding first inclined blocks (7), the first inclined blocks (7) are matched with the corresponding wedge blocks (6), two fixing rods (9) are fixedly mounted in the placing grooves (4), the top ends and the bottom ends of the fixing rods (9) are respectively and fixedly mounted on the top inner walls and the bottom inner walls of the corresponding placing grooves (4), two dead levers (9) that are located same standing groove (4) go up slidable mounting and have same slide (10), and spring groove (11) have been seted up to one side that slide (10) are close to cylinder (3), and one side of slider (5) extends to in the spring groove (11) that corresponds.

2. The coiled tubing production string connector as claimed in claim 1, wherein one end of the first spring (12) is fixedly mounted on the inner wall of the spring groove (11) far away from the opening of the spring groove (11), the other end of the first spring (12) is fixedly mounted on the corresponding slider (5), one end of the second spring (13) is fixedly mounted at the bottom of the sliding seat (10), and the other end of the second spring (13) is fixedly mounted on the inner wall of the bottom of the corresponding placing groove (4).

3. Coiled tubing production string connector according to claim 1, wherein one end of a tie rod (14) is rotatably mounted on the securing rod (9) and the other end of the tie rod (14) is rotatably mounted on the corresponding wedge block (6).

4. The coiled tubing production string connector as recited in claim 1, wherein a plurality of pin holes (15) are uniformly formed in the outer side of the fixing seat (1), and the pin holes (15) are communicated with the corresponding placing grooves (4).

5. The coiled tubing production string connector as claimed in claim 1, wherein the sliding base (10) is fixedly mounted with fixing blocks (16) at both sides, a T-shaped pin (17) is slidably mounted on the fixing blocks (16), one side of the T-shaped pin (17) is fixedly mounted with one end of a third spring (18), and the other end of the third spring (18) is fixedly mounted on the corresponding fixing block (16).