CN215410763U

CN215410763U - High-strength bearing structure of movable elbow movable joint

Info

Publication number: CN215410763U
Application number: CN202121355442.XU
Authority: CN
Inventors: 卢丙荣
Original assignee: Qingdao Qianjiexing Electromechanical Co ltd
Current assignee: Qingdao Qianjiexing Electromechanical Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-01-04
Anticipated expiration: 2031-06-18

Abstract

The utility model provides a high-strength pressure-bearing structure of a movable elbow movable joint, which comprises a first elbow, a connector, a second elbow and an installation ring, wherein the connector is welded at the right end of the second elbow, a plurality of sliding grooves which are arranged at equal intervals are formed in the surface of the outer ring at the left end of the first elbow, a plurality of sliding grooves which are arranged at equal intervals are formed in the surface of the inner ring of the installation ring, a plurality of rolling balls are arranged in the sliding grooves, the left end of the first elbow is of a round platform structure, a pressure-bearing sealing ring is arranged at the left end of the elbow, a movable ring is arranged between the left end of the installation ring and the first elbow, a static ring is arranged on the surface of the outer ring of the first elbow and is arranged on the surface of the right end of the installation ring, and a gland is arranged on the first elbow; compared with the prior art, the utility model has the following beneficial effects: the structure strength is increased, the bearing load is large, the pressure resistance is improved, the sealing performance is good, the rotating effect is good, and the sealing effect cannot be influenced.

Description

High-strength bearing structure of movable elbow movable joint

Technical Field

The utility model belongs to the technical field of high-pressure fluid pipes, and particularly relates to a high-strength pressure-bearing structure of a movable elbow movable joint.

Background

The fluid pipeline is mainly used for conveying liquid substances, for example, in the technical field of shale oil exploitation, the fluid pipeline relates to the technology of conveying high-pressure liquid substances into a rock mass and fracturing the rock mass, the fluid pipeline of the type requires high pressure-bearing strength and good structural stability, can bear larger pressure, is in an end head of the pipeline as a movable elbow connected with an extension pipeline between 105 MPa and 145MPa, is in a movable state for a long time, and can avoid the sealing performance of a connecting point only if the required pressure-bearing strength is larger, the pressure-bearing lightness of the movable elbow joint used in the market at present is not more than 150MPa, and the problems are that the bearing load is limited, the bearing stress is uneven, the pressure-resisting performance is reduced, the sealing performance is unstable under the long-term high pressure, and the hidden troubles of liquid leakage and disjointing exist; therefore, a high-strength bearing structure of the movable elbow joint is needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a high-strength pressure-bearing structure of a movable elbow movable joint, so as to solve the problems in the background technology.

The utility model is realized by the following technical scheme: a high-strength bearing structure of a movable elbow movable joint comprises an elbow pipe I, a connector, an elbow pipe II and a mounting ring, the right end of the bent pipe II is welded with a connector, the surface of the outer ring at the left end of the bent pipe I is provided with a plurality of sliding grooves which are arranged at equal intervals, the surface of the inner ring of the mounting ring is provided with a plurality of sliding grooves which are arranged at equal intervals, the first bent pipe penetrates through the mounting ring and corresponds to the sliding grooves on the mounting ring one by one, a plurality of rolling balls are arranged in the sliding groove, the left end of the first bent pipe is in a round table structure, the left end of the first bent pipe is provided with a pressure-bearing sealing ring, a movable ring is arranged between the left end of the mounting ring and the first bent pipe, a static ring is arranged on the surface of the outer ring of the first bent pipe and is arranged on the surface of the right end of the mounting ring, the left end of the first bent pipe is installed inside the connector through an installation ring, a movable ring and a static ring, and a gland is arranged on the first bent pipe.

As a preferred embodiment, a plurality of uniformly distributed threaded holes are formed in the surface of the outer ring of the connector, a plurality of uniformly distributed threaded holes are formed in the surface of the outer ring of the mounting ring, and countersunk bolts are arranged in the threaded holes.

In a preferred embodiment, a connecting ring is welded on the outer surface of the connector, and a plurality of equally spaced connecting holes are formed in the connecting ring.

As a preferred embodiment, the surface of the outer ring of the gland is provided with a plurality of connecting holes two matched with the connecting holes one on the connecting ring, and the gland is connected with the connector through the connecting ring, the connecting holes one, the connecting holes two, bolts and nuts.

As a preferred embodiment, the sliding groove is of an arc structure, and the diameter of the rolling ball is smaller than the distance between the sliding groove formed in the first bent pipe and the sliding groove formed in the mounting ring.

In a preferred embodiment, the elbow is a rotary mechanism.

After the technical scheme is adopted, the utility model has the beneficial effects that: the high-pressure fluid pipe body is simple in structure, the structural strength is increased through the mounting ring, the moving ring, the rolling ball and the pressure-bearing sealing ring, the bearing load is large, the pressure-resisting performance is improved, the sealing performance is good, the rotating effect is good, the sealing effect cannot be influenced, and the high-pressure fluid pipe body is more suitable for the technical field of high-pressure fluid pipe bodies in the actual use process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a high-strength pressure-bearing structure of a movable elbow joint of the utility model.

Fig. 2 is an enlarged schematic view of a position a of the high-strength pressure-bearing structure of the movable elbow joint of the utility model.

Fig. 3 is a three-dimensional view of a second elbow of the high-strength pressure-bearing structure of the movable joint of the movable elbow.

In the figure, 1-elbow pipe I, 2-gland, 3-connecting ring, 4-static ring, 5-countersunk head bolt, 6-mounting ring, 7-dynamic ring, 8-connector, 9-elbow pipe II, 10-rolling ball, 11-bolt, 12-pressure bearing sealing ring and 13-threaded hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a high-strength bearing structure of a movable elbow joint movable joint comprises a first elbow pipe 1, a connector 8, a second elbow pipe 9 and a mounting ring 6, wherein the connector 8 is welded at the right end of the second elbow pipe 9, a plurality of sliding grooves which are arranged at equal intervals are formed in the surface of the outer ring at the left end of the first elbow pipe 1, a plurality of sliding grooves which are arranged at equal intervals are formed in the surface of the inner ring of the mounting ring 6, the first elbow pipe 1 penetrates through the mounting ring 6, the first elbow pipe 1 corresponds to the sliding grooves in the mounting ring 6 one by one, a plurality of rolling balls 10 are arranged in the sliding grooves, the left end of the first elbow pipe 1 is of a circular truncated cone structure, a bearing sealing ring 12 is arranged at the left end of the first elbow pipe 1, a movable ring 7 is arranged between the left end of the mounting ring 6 and the first elbow pipe 1, a static ring 4 is arranged on the surface of the outer ring of the first elbow pipe 1 and is arranged on the surface of the right end of the mounting ring 6, the left end of the first elbow pipe 1 is arranged inside the connector 8 through the mounting ring 6, the movable ring 7 and the static ring 4, the bent pipe I1 is provided with a gland 2.

A plurality of evenly distributed's screw hole 13 is seted up on 8 outer lane surfaces of connector, and a plurality of evenly distributed's screw hole 13 is seted up on 6 outer lane surfaces of erection ring, is provided with countersunk bolt 5 in the screw hole 13, and the erection ring 6 of being convenient for is connected with connector 8.

The connecting ring 3 is welded on the outer ring surface of the connector 8, and a plurality of first connecting holes which are arranged at equal intervals are formed in the connecting ring 3, so that the gland 2 can be conveniently installed on the connector 8.

The surface of the outer ring of the gland 2 is provided with a plurality of connecting holes II matched with the connecting holes I on the connecting ring 3, and the gland 2 is connected with the connector 8 through the connecting ring 3, the connecting holes I, the connecting holes II, the bolts 11 and the nuts, so that the gland 2 for the purpose of the connector 8 can be conveniently butted.

The sliding groove is of an arc-shaped structure, the diameter of the rolling ball 10 is smaller than the distance between the sliding groove formed in the first bent pipe 1 and the sliding groove formed in the mounting ring 6, and the first bent pipe 1 can rotate in the mounting ring 6.

The first elbow 1 is a rotating mechanism.

As an embodiment of the present invention: when in actual use, through the installation circle 6 that sets up in connector 8, the rotating ring 7, can free rotation between return bend 1 and return bend two 9, and can not influence sealed effect, quiet ring 4 and the gland 2 of setting, can further guarantee the leakproofness, when return bend 1 and return bend two 9 receive mutual pressure, a plurality of spin 10 can bear the pipeline pressure of great fluctuation range, make the bearing capacity more balanced, the leftmost end of return bend 1 is the round platform structure, when the connector 8 inner wall receives the outside expanded pressure of return bend 1 end outer wall, give directional pressure to the outer wall of return bend 1, mutual pressure acts on the contact surface of round platform, along the radial diffusion of pipeline, the bearing capacity is better.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a movable elbow movable joint high strength bearing structure, includes return bend one (1), connector (8), return bend two (9) and installing ring (6), its characterized in that: the right-hand member welding of return bend two (9) has connector (8), the sliding tray that a plurality of equidistant settings were seted up on the left end outer lane surface of return bend one (1), the sliding tray that a plurality of equidistant settings were seted up on installation circle (6) inner circle surface, return bend one (1) passes installation circle (6) and return bend one (1) and the sliding tray one-to-one on installation circle (6), be provided with a plurality of spin (10) in the sliding tray, the left end of return bend one (1) is the round platform structure, the left end of return bend one (1) is provided with pressure-bearing sealing washer (12), be provided with between the left end of installation circle (6) and return bend one (1) and move movable ring (7), install quiet ring (4) return bend one (1) outer lane surface and arrange the right-hand member surface of installation circle (6) in, the left end of return bend one (1) is through installation circle (6), The movable ring (7) and the static ring (4) are installed inside the connector (8), and the gland (2) is arranged on the elbow pipe I (1).

2. The high-strength bearing structure of the movable elbow joint movable joint as claimed in claim 1, wherein: the connector (8) outer lane surface is seted up a plurality of evenly distributed's screw hole (13), a plurality of evenly distributed's screw hole (13) are seted up to installation circle (6) outer lane surface, be provided with countersunk head bolt (5) in screw hole (13).

3. The high-strength bearing structure of the movable elbow joint movable joint as claimed in claim 1, wherein: the surface of the outer ring of the connector (8) is provided with a connecting ring (3), and a plurality of first connecting holes which are arranged at equal intervals are formed in the connecting ring (3).

4. The high-strength bearing structure of the movable elbow joint movable joint as claimed in claim 1, wherein: the outer ring surface of the gland (2) is provided with a plurality of connecting holes II matched with the connecting holes I in the connecting ring (3), and the gland (2) is connected with the connector (8) through the connecting ring (3), the connecting holes I, the connecting holes II, bolts (11) and nuts.

5. The high-strength bearing structure of the movable elbow joint movable joint as claimed in claim 1, wherein: the sliding groove is of an arc-shaped structure, and the distance between the sliding groove formed in the bent pipe I (1) and the sliding groove formed in the mounting ring (6) is larger than the diameter of the rolling ball (10).

6. The high-strength bearing structure of the movable elbow joint movable joint as claimed in claim 1, wherein: the first elbow (1) is a rotating mechanism.