CN219841217U - Sedimentation universal expansion compensation joint - Google Patents

Abstract

The utility model discloses a sedimentation universal expansion compensation joint, which comprises two universal joints, wherein each universal joint comprises a spherical shell, a universal ball and a flange, the universal ball is arranged in the spherical shell, and the flange is fixed at the connecting end of the spherical shell; under the condition of angle deflection caused by sedimentation, one end of the pipeline is sunk and deformed, the first universal ball is subjected to angle deflection, and the second universal ball is simultaneously subjected to reverse angle deflection, so that rapid adaptation can be performed, sedimentation deformation is compensated, and bending damage of the pipeline due to sedimentation is avoided; under the circumstances that causes the pipeline to be stretched when subsidence takes place, when one end subsides, can extend the product structure, spacing flexible pipe is prolonged in flexible casing, makes up the pipeline and warp, through setting up limit structure, guarantees can not take place the condition that spacing flexible pipe breaks away from flexible casing when stretching.

Description

Sedimentation universal expansion compensation joint

Technical Field

The utility model belongs to the field of pipeline connectors, and particularly relates to a settlement universal expansion compensation joint.

Background

All over the world, earthquakes occur, and because of the deformation and damage of pipelines caused by the earthquakes, fluid in the pipelines overflows, and waste and loss are generated. Some areas with soft geology are damaged due to collapse of pipelines paved on the ground surface or below the ground due to rain wash and geological collapse, and the pipelines cannot normally run, so that water supply and drainage life of local residents is affected. In order to avoid and reduce the damage to pipelines in subsidence areas caused by natural phenomena, a pipeline joint suitable for subsidence and collapse areas is needed, and the pipeline joint can stretch and flex and universal flexible deformation when subsidence and collapse occur, can correspondingly compensate the deformation of pipelines, avoid and reduce maintenance, reduce maintenance cost, do not influence the normal operation of the pipelines, and ensure normal water use and drainage of local residents.

The existing expansion joint can only compensate the dimensional change of a trace pipeline caused by expansion, has small compensation amount, can only axially expand and contract, and cannot adapt to the requirements of large expansion amount and non-directional displacement of the pipeline in a subsidence or collapse area, so that a pipeline expansion joint product adapting to the environment is needed to ensure the normal operation of the pipeline.

Disclosure of Invention

Aiming at the defects, the utility model provides a settlement universal expansion compensation joint which comprises two universal joints, wherein each universal joint comprises a spherical shell, a universal ball and a flange, the universal ball is arranged in the spherical shell, the flange is fixed at the connecting end of the spherical shell, the spherical shell is fixedly provided with a spherical pressure plate for limiting the universal ball through first fastening bolts distributed in an annular array, two adjacent ends of the universal joints are respectively communicated with a fixed telescopic shell and a limiting telescopic pipe, one ends, far away from each other, of the telescopic shell and the limiting telescopic pipe are respectively fixedly communicated with the two universal balls, a sliding groove is formed in the inner wall of the telescopic shell, and one end, located in the telescopic shell, of the limiting telescopic pipe is provided with a limiting piece clamped with the sliding groove.

Further, the outer surface sleeve of the limiting telescopic pipe is provided with a telescopic pressure plate used for limiting the limiting telescopic pipe, and the telescopic pressure plate is connected with the telescopic shell through second fastening bolts distributed in an annular array.

Further, the universal ball and the outer part of the limiting telescopic pipe are respectively sleeved with a universal protection cover and a telescopic protection cover which are matched with each other.

Further, the outer surface fixed sleeve of the limiting telescopic pipe is provided with a protective cover connecting disc, one ends adjacent to the protective cover and the telescopic protective cover are respectively attached to the left side and the right side of the protective cover connecting disc and fixed through compression bolts, and one ends far away from each other are respectively compressed and fixed by a first fastening bolt and a second fastening bolt.

Further, a filler is arranged between the universal ball and the spherical shell.

Compared with the prior art, the utility model has the following beneficial effects:

1. under the condition of angle deflection caused by sedimentation, one end of the pipeline is sunk and deformed, the first universal ball is subjected to angle deflection, and the second universal ball is simultaneously subjected to reverse angle deflection, so that rapid adaptation can be performed, sedimentation deformation is compensated, and bending damage of the pipeline due to sedimentation is avoided;

2. under the condition that the pipeline is stretched when sedimentation occurs, the product structure can be lengthened when one end is settled, the limiting telescopic pipe is lengthened in the telescopic shell, the deformation of the pipeline is compensated, and the situation that the limiting telescopic pipe is separated from the telescopic shell when the limiting structure is arranged is avoided during the lengthening;

3. through setting up universal protection casing and flexible protection casing, the universal ball at both ends warp along with the universal ball when carrying out the angle deflection, and when spacing flexible pipe is lengthening or shortening, flexible protection casing lengthens or shortens simultaneously, guarantees when warping, prevents that sand and stone granule from getting into inside the product, pollutes the fluid, also prevents to lead to the fact the damage to the filler; and by arranging the filler, the sealing effect is improved by filling the uneven and concave parts of the surface of the connecting end.

Drawings

FIG. 1 is a schematic diagram of the present utility model.

Fig. 2 is a schematic view of the present utility model in an inclined state.

In the figure: a flange; 2. a spherical shell; 3. a filler; 4. spherical pressure plate; 5. a first fastening bolt; 6. a universal ball; 7. a universal protective cover; 8. a protective cover connecting disc; 9. a telescopic protective cover; 10. a retractable pressure plate; 11. a second fastening bolt; 12. a telescoping housing; 13. limiting the telescopic pipe.

Detailed Description

In order to facilitate an understanding of the utility model, the device of the utility model will be described more fully below with reference to the accompanying drawings. Examples of the apparatus are given in the accompanying drawings. However, the apparatus may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

As shown in fig. 1-2, this embodiment provides a settlement universal expansion compensation joint, including two universal joints, the universal joint includes spherical shell 2, universal ball 6 and flange 1, universal ball 6 installs in spherical shell 2's inside, universal ball 6 and the outside of spacing flexible pipe 13 overlap respectively and are equipped with universal protection casing 7 and flexible protection casing 9 of looks adaptation, be used for realizing the protection and the sealed work to universal ball 6 and spacing flexible pipe 13 link, prevent that the foreign matter from getting into the pipe to inside by the link, in order to guarantee deformation and tensile work's normal clear, two kinds of protection casings should be hinge type bellows expansion joint or organ pipe structure. The packing 3 is arranged between the universal ball 6 and the connecting end of the spherical shell 2 and between the telescopic shell 12 and the connecting end of the limiting telescopic tube 13, namely a gasket, and is used for filling the concave and uneven parts of the connecting end and increasing the sealing effect, (good materials used as the gasket are rubber cloths at the temperature of not more than 40 ℃, the rubber cloths made of flax warp yarns can be used at the temperature of 60 ℃, the material of the gasket can be made of gray paper cypress at the temperature of 95 ℃, and the asbestos paper cypress or steam paper cypress can be used at the pipeline temperature of more than 100 ℃).

The flange 1 is fixed in the link of spherical shell 2, spherical shell 2 is fixed with the spherical pressure disk 4 that is used for spacing to universal ball 6 through being the first fastening bolt 5 that annular array distributes for spacing and sealed the link, two adjacent one ends of universal joint are respectively through fixed flexible casing 12 and spacing flexible pipe 13 intercommunication, the surface cover of spacing flexible pipe 13 is equipped with and is used for the spacing flexible pressure disk 10 to it, flexible pressure disk 10 is connected with flexible casing 12 through being the second fastening bolt 11 that annular array distributes, be used for spacing to spacing flexible pipe 13, encrypt the clearance to flexible end simultaneously. The outer surface fixed cover of spacing flexible pipe 13 is equipped with protection casing connection pad 8, everything protection casing 7 and the adjacent one end of flexible protection casing 9 are pasted respectively in the left and right sides of protection casing connection pad 8 to fix through hold-down bolt, everything protection casing 7 and the one end that flexible protection casing 9 kept away from each other are compressed tightly fixedly by first fastening bolt 5 and second fastening bolt 11 respectively, the universal ball at both ends respectively when carrying out the angle deflection, the universal protection casing warp and spacing flexible pipe is when lengthening or shortening along with the universal ball, flexible protection casing simultaneously lengthens or shortens the adaptation, when guaranteeing sealed effect, prevent sand and stone granule entering inside the product, pollute the fluid, also prevent to cause the damage to the filler. The telescopic shell 12 and the one end that spacing flexible pipe 13 kept away from each other are fixed the intercommunication with two universal balls 6 respectively, and the spout has been seted up to the inner wall of telescopic shell 12, and the one end that spacing flexible pipe 13 is located telescopic shell 12 inside is equipped with the locating part with the spout joint, can make spacing flexible pipe 13 slide in telescopic shell 12's inside flexible, prevents simultaneously that it breaks away from.

According to the settlement universal expansion compensation joint, when settlement occurs, rotation and inclination adaptation are realized through the universal balls 6 at the two ends, deformation and fracture of the connecting end are prevented, and normal operation of a pipeline is ensured; meanwhile, the limiting telescopic pipe 13 is matched in the telescopic shell 12, and stretching adaptation is completed.

It should be noted that the structure of the present utility model may be implemented in many different forms, and is not limited to the embodiments, and any equivalent transformation made by those skilled in the art using the present specification and the accompanying drawings, or direct or indirect application in other related technical fields, such as loading and unloading of other articles, are included in the protection scope of the present utility model.

Claims (5)

1. The utility model provides a subside universal expansion compensation joint, includes two universal joints, its characterized in that: the universal joint comprises a spherical shell (2), universal balls (6) and a flange (1), wherein the universal balls (6) are arranged in the spherical shell (2), the flange (1) is fixed at the connecting end of the spherical shell (2), the spherical shell (2) is fixedly provided with a spherical pressure plate (4) for limiting the universal balls (6) through a first fastening bolt (5) distributed in an annular array, two adjacent ends of the universal joint are respectively communicated with a limiting telescopic pipe (13) through a fixed telescopic shell (12), one ends, far away from each other, of the telescopic shell (12) and the limiting telescopic pipe (13) are respectively fixedly communicated with the two universal balls (6), a sliding groove is formed in the inner wall of the telescopic shell (12), and one end, located in the telescopic shell (12), of the limiting telescopic pipe (13), is provided with a limiting piece which is clamped with the sliding groove.

2. A settlement universal expansion joint as claimed in claim 1, wherein: the outer surface of the limiting telescopic pipe (13) is sleeved with a telescopic pressing plate (10) used for limiting the limiting telescopic pipe, and the telescopic pressing plate (10) is connected with a telescopic shell (12) through second fastening bolts (11) distributed in an annular array.

3. A settlement universal expansion joint as claimed in claim 1, wherein: the external parts of the universal ball (6) and the limiting telescopic pipe (13) are respectively sleeved with a universal protection cover (7) and a telescopic protection cover (9) which are matched with each other.

4. A settlement joint as claimed in claim 3, wherein: the outer surface fixed sleeve of the limiting telescopic pipe (13) is provided with a protective cover connecting disc (8), one ends adjacent to the protective cover (7) and the telescopic protective cover (9) are respectively attached to the left side and the right side of the protective cover connecting disc (8) and fixed through compression bolts, and one ends far away from each other, of the protective cover (7) and the telescopic protective cover (9) are respectively compressed and fixed by a first fastening bolt (5) and a second fastening bolt (11).

5. A settlement universal expansion joint as claimed in claim 1, wherein: and a filler (3) is arranged between the universal ball (6) and the connecting end of the spherical shell (2) and between the telescopic shell (12) and the connecting end of the limiting telescopic pipe (13).