CN213871587U

CN213871587U - Novel abrasion-resistant rotary compensator

Info

Publication number: CN213871587U
Application number: CN202022849948.8U
Authority: CN
Inventors: 丁浩原; 曹卫军; 丁荣根; 丁浩轩
Original assignee: Jiangsu Best Bellows Co ltd
Current assignee: Jiangsu Best Bellows Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-08-03
Anticipated expiration: 2030-12-02

Abstract

The utility model provides a novel abrasion-resistant rotary compensator, which comprises a slide pipe and a telescopic pipe arranged inside the slide pipe in a sliding way, wherein one end of the telescopic pipe embedded in the slide pipe is provided with a piston ring, a slide cavity used for the piston ring to slide left and right is arranged inside the slide pipe, the left side of the slide pipe is provided with a sealing bearing, the left side of the sealing bearing is rotatably connected with a left joint, the right side of the slide pipe is fixedly provided with a fixing ring, the left side and the right side of the fixing ring are provided with fixing nuts, the inner threads of the fixing nuts are penetrated and provided with a guide slide bar, the guide slide bar is sleeved with a spring, the outer wall side of the telescopic pipe is fixedly provided with a guide ring, the right side of the guide slide bar is penetrated through the guide ring, a rubber pipe is arranged between the right side of the inner wall of the telescopic pipe and the right end of the slide pipe, the right side of the telescopic pipe is connected with a right joint, the problem that the conventional rotary compensator does not have an abrasion-resistant effect is solved, the novel abrasion-resistant rotary compensator has a reasonable structure, the piston ring slides left and right to replace the traditional sealing packing type, so that the abrasion loss is greatly reduced, and the sealing performance is good.

Description

Novel abrasion-resistant rotary compensator

Technical Field

The utility model relates to a novel stand wear and tear rotary compensator belongs to rotary compensator technical field.

Background

The rotary compensator is one of pipeline compensators, has a rotary function, is suitable for pipelines which are easy to generate torsion, is also called as a telescopic device or a telescopic joint or an expansion joint, and is mainly used for compensating expansion and contraction caused by temperature change of the pipelines. Thermal stresses will develop in the pipe if the pipe is not fully free to expand or contract when the temperature changes. This stress must be taken into account in the pipe design, otherwise it may lead to cracking of the pipe, affecting the normal production run. As an important component of pipeline engineering, the compensator plays an important role in ensuring long-term normal operation of the pipeline.

In the prior art, the rotary compensator usually uses the sealing filler as a sealing medium for stretching and sliding left and right, but the sealing filler is easy to wear and needs to be replaced in time, and a novel wear-resistant rotary compensator is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel stand wear and tear rotary compensator to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, through or the piston ring horizontal slip replace the sealing filler formula in the past, the wearing and tearing loss that has significantly reduced, the leakproofness is good.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a novel stand wear and tear rotary compensator, includes slide tube and the flexible pipe of slip setting inside the slide tube, the one end of flexible pipe embedding in the slide tube is equipped with the piston ring, the inside smooth chamber that is used for piston ring horizontal slip of offering of slide tube, the slide tube left side is provided with sealed bearing, sealed bearing left side is rotated and is connected with left joint, the fixed solid fixed ring that is provided with in slide tube right side, the solid fixed ring left and right sides is provided with fixation nut, the inside screw thread of fixation nut runs through and is provided with the direction slide bar, the cover is equipped with the spring on the direction slide bar, the fixed guide ring that is provided with in flexible pipe outer wall side, the guide ring is run through on the right side of direction slide bar, be provided with the rubber tube between the inner wall right side of flexible pipe and the slide tube right-hand member, flexible pipe right side is connected with right joint.

Furthermore, the upper side of the sliding cavity is provided with an air guide hole in a penetrating way.

Furthermore, the left end and the right end of the rubber tube are respectively adhered to the right side of the inner wall of the sliding tube and the inner wall of the telescopic tube, and the length of the rubber tube is the same as that of the sliding cavity.

Furthermore, a silica gel pad is further pasted on one side of the sealing bearing, which is far away from the left joint.

Furthermore, the right end of the guide slide bar is also provided with an anti-falling convex ring.

Further, the left side of the left joint is provided with a left flange, and the right side of the right joint is provided with a right flange.

The utility model has the advantages that:

1. the piston ring is arranged at one end of the telescopic pipe embedded in the sliding pipe, and the telescopic pipe is arranged in the sliding cavity in a sliding way through the piston ring, so that the problem that the sealing filler is easy to wear in the traditional sealing filler type telescopic sliding process is solved;

2. the left end and the right end of the rubber pipe of the utility model are respectively adhered to the right side of the inner wall of the sliding pipe and the inner wall side of the telescopic pipe, the length of the rubber pipe is the same as that of the sliding cavity, and the rubber pipe is used for isolating the inner wall of the telescopic pipe and preventing fluid from entering the sliding cavity;

3. the utility model discloses a slide pipe left side is through sealed bearing and left articulate, makes left joint have the rotation effect, and sealed bearing keeps away from one side that left joint still pastes and has filled up with the silica gel, can prevent in the installation gap in the fluid infiltration sealed bearing, reduces sealed bearing and fluidic direct contact.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a novel wear-resistant rotary compensator of the present invention;

fig. 2 is a cross-sectional view of a novel wear-resistant rotary compensator of the present invention;

in the figure: 1 left flange, 2 left joints, 3 sealing bearings, 31 silica gel pads, 4 sliding pipes, 5 fixing rings, 6 fixing nuts, 7 guiding sliding rods, 8 springs, 9 guiding rings, 10 right flanges, 11 air guide holes, 12 sliding cavities, 13 piston rings, 14 telescopic pipes, 15 rubber pipes and 16 right joints.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a novel stand wear and tear rotary compensator, including slide tube 4 and the flexible pipe 14 of slip setting in slide tube 4 inside, the one end of flexible pipe 14 embedding in slide tube 4 is equipped with piston ring 13, slide tube 4 is inside to be offered and is used for piston ring 13 horizontal slip's smooth chamber 12, slide tube 4 left side is provided with sealed bearing 3, sealed bearing 3 left side is rotated and is connected with left joint 2, slide tube 4 right side is fixed and is provided with solid fixed ring 5, gu the fixed ring 5 left and right sides is provided with fixation nut 6, the internal thread of fixation nut 6 runs through and is provided with direction slide bar 7, the cover is equipped with spring 8 on the direction slide bar 7, the fixed guide ring 9 that is provided with in flexible pipe 14 outer wall side, the right side of direction slide bar 7 runs through guide ring 9, be provided with rubber tube 15 between the inner wall right-hand member of flexible pipe 14 and the slide tube 4 right-hand member, flexible pipe 14 right side is connected with right side and connects 16, the problem that rotary compensator in the past did not possess stand wear and tear effect has been solved.

The utility model discloses a smooth 12 upside in chamber runs through and has seted up air guide hole 11 for the piston ring 13 removes when removing the interior atmospheric pressure balance of smooth chamber 12.

The utility model discloses a both ends paste each other with 4 inner wall right sides of slide pipe and flexible pipe 14 inner wall sides respectively about rubber tube 15, and the length of rubber tube 15 is the same with the length of smooth chamber 12, and rubber tube 15 is used for keeping apart flexible pipe 14 inner wall, prevents that the fluid from getting into inside smooth chamber 12.

The utility model discloses a sealed bearing 3 keeps away from one side of left side joint 2 and still pastes and have the silica gel pad 31, can prevent in the installation gap in the fluid infiltration sealed bearing 3, reduce sealed bearing 3 and fluidic direct contact.

The utility model discloses a 7 right-hand members of direction slide bar still are equipped with the anticreep bulge loop, carry on spacingly to guide ring 9, prevent from slipping on the direction slide bar 7.

The utility model discloses a left side connects 2 left sides and is provided with left flange 1, and right side connects 16 right sides and is provided with right flange 10 for connect with external pipeline.

As an embodiment of the present invention: the left joint 2 is connected with an external pipeline through a left flange 1, the right joint 16 is connected with the external pipeline through a right flange 10, fluid is led out after sequentially passing through the left joint 2, the sliding pipe 4, the rubber pipe 15 and the right joint 16, and the left joint 2 has a rotating effect because the left joint 2 is rotatably connected with the sliding pipe 4 through the sealing bearing 3; the fluid in the pipeline generates pressure difference due to the action of cold and heat or pressure, and then the extension tube 14 is subjected to positive pressure to drive the piston ring 13 to move rightwards along the sliding cavity 12, so that the positive pressure difference is relieved; on the contrary, after the extension tube 14 is subjected to negative pressure, the piston ring 13 is driven to move leftwards, so that negative pressure difference is supplemented, the guide slide bar 7 and the spring 8 on the guide slide bar 7 enable the extension tube to effectively reset, and in addition, a certain buffering effect is achieved; the rubber tube 15 serves to insulate the inner wall of the telescopic tube 14 from fluid entering the inside of the slide chamber 12.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel wear-resistant rotary compensator is characterized in that: comprises a sliding pipe (4) and a telescopic pipe (14) arranged inside the sliding pipe (4) in a sliding manner, wherein a piston ring (13) is arranged at one end of the telescopic pipe (14) embedded in the sliding pipe (4), a sliding cavity (12) used for the piston ring (13) to slide left and right is arranged inside the sliding pipe (4), a sealing bearing (3) is arranged on the left side of the sliding pipe (4), a left joint (2) is rotatably connected on the left side of the sealing bearing (3), a fixing ring (5) is fixedly arranged on the right side of the sliding pipe (4), fixing nuts (6) are arranged on the left and right sides of the fixing ring (5), a guide sliding rod (7) is arranged in the fixing nut (6) in a penetrating manner through internal threads, a spring (8) is sleeved on the guide sliding rod (7), a guide ring (9) is fixedly arranged on the outer wall side of the telescopic pipe (14), and the guide ring (9) is arranged on the right side of the guide sliding rod (7), a rubber pipe (15) is arranged between the right side of the inner wall of the telescopic pipe (14) and the right end of the sliding pipe (4), and the right side of the telescopic pipe (14) is connected with a right joint (16).

2. A novel wear resistant rotary compensator according to claim 1, characterized by: the upper side of the sliding cavity (12) is provided with an air guide hole (11) in a penetrating way.

3. A novel wear resistant rotary compensator according to claim 1, characterized by: the left end and the right end of the rubber tube (15) are respectively adhered to the right side of the inner wall of the sliding tube (4) and the inner wall of the telescopic tube (14), and the length of the rubber tube (15) is the same as that of the sliding cavity (12).

4. A novel wear resistant rotary compensator according to claim 1, characterized by: and a silica gel pad (31) is further adhered to one side of the sealing bearing (3) far away from the left joint (2).

5. A novel wear resistant rotary compensator according to claim 1, characterized by: the right end of the guide slide bar (7) is also provided with an anti-falling convex ring.

6. A novel wear resistant rotary compensator according to claim 1, characterized by: the left side of the left joint (2) is provided with a left flange (1), and the right side of the right joint (16) is provided with a right flange (10).