CN112682606A - Corrugated pipe compensator with built-in elastic connection structure - Google Patents
Corrugated pipe compensator with built-in elastic connection structure Download PDFInfo
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- CN112682606A CN112682606A CN202110080108.6A CN202110080108A CN112682606A CN 112682606 A CN112682606 A CN 112682606A CN 202110080108 A CN202110080108 A CN 202110080108A CN 112682606 A CN112682606 A CN 112682606A
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Abstract
The invention relates to the technical field of corrugated pipe compensators and discloses a corrugated pipe compensator with a built-in elastic connection structure, which comprises a lower flange, wherein the top of the lower flange is fixedly connected with a first connecting pipe, the top of the first connecting pipe is fixedly connected with a first powerful magnet, the top of the first powerful magnet is provided with a second powerful magnet, and the top of the second powerful magnet is fixedly connected with a first fixing pipe. According to the invention, by adding the first connecting pipe, the first strong magnet, the second connecting pipe and the limiting seat, when the corrugated pipe is subjected to compression and stretching acting forces, the first strong magnet moves in the first fixing pipe in the horizontal direction, and meanwhile, the guide rod drives the limiting seat to move transversely in the second fixing seat, so that the purpose of compensating the length of the corrugated pipe is achieved, the situation that the corrugated pipe is damaged by axial force when being compressed or stretched is avoided, and the service life of the butt joint is prolonged.
Description
Technical Field
The invention relates to the technical field of corrugated pipe compensators, in particular to a corrugated pipe compensator with a built-in elastic connection structure.
Background
The main component of the corrugated pipe compensator is a corrugated pipe, and the thin-wall corrugated pipe is sleeved and directly fixedly connected with a connecting pipe with relatively thick wall thickness.
However, in practical application, the corrugated pipe frequently moves along with the change of temperature or pressure of a conveying medium, so that a joint connecting the corrugated pipe and a connecting pipe is necessarily dragged, the corrugated pipe is compressed or stretched when a pipeline is stretched or shortened to deform, the joint part bears axial force, the joint is not damaged greatly by the axial force, when the pipeline is subjected to radial dislocation deformation, the joint part bears shearing force, the shearing force has great damage to the joint, the joint is cracked to generate leakage, the online leakage of the corrugated pipe compensator easily causes accidents, and the connection structure of the corrugated pipe compensator needs to be improved, particularly the anti-shearing force capacity is improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the corrugated pipe compensator with the built-in elastic connection structure, which has the advantages of high tensile resistance and compressibility, solves the problem that the butt joint is damaged due to axial force, has the advantage of high shearing resistance, and solves the problem that the joint is cracked due to dislocation and deformation of a pipeline.
The invention provides the following technical scheme: the bellows compensator with the built-in elastic connection structure comprises a lower flange, wherein a first connecting pipe is fixedly connected to the top of the lower flange, a first strong magnet is fixedly connected to the top of the first connecting pipe, a second strong magnet is arranged on the top of the first strong magnet, a first fixing pipe is fixedly connected to the top of the second strong magnet, a reset spring is fixedly connected to the inner wall of the first fixing pipe, a positioning seat is fixedly connected to one side of the reset spring, an upper limiting block is fixedly connected to the bottom of the positioning seat, a lower limiting block is arranged on the bottom of the upper limiting block, a bellows is fixedly connected to the bottom of the lower limiting block, a stop block is arranged on the left side of the lower limiting block, an upper flange is arranged on the top of the bellows, a connecting block is fixedly connected to the outer wall of the upper flange, and a pull rod is movably connected to the, the bottom fixedly connected with second connecting pipe of upper flange, the outside swing joint of second connecting pipe has the fixed pipe of second, the bottom fixedly connected with guide bar of the fixed pipe of second, the spacing seat of bottom fixedly connected with of guide bar.
Preferably, the right side sectional area of the first connecting pipe is smaller than the left side sectional area, a cavity is arranged on the left side inside the first fixing pipe, the left side cavity sectional area inside the first fixing pipe is smaller than the sectional area of the first powerful magnet, and the first powerful magnet generates sliding friction inside the cavity.
Preferably, the left side of the first powerful magnet is fixedly connected with the first connecting pipe, the right side of the second powerful magnet meets the inner wall of the left inner cavity of the first fixing pipe and is fixedly connected with the inner wall of the left inner cavity of the first fixing pipe, the sectional areas of the first powerful magnet and the second powerful magnet are the same, and the heteropoles of the first powerful magnet and the second powerful magnet are opposite.
Preferably, the left side of the first fixed pipe is in butt joint with the first connecting pipe, the right side of the first fixed pipe is in butt joint with the corrugated pipe, the left side of the second fixed pipe is in butt joint with the corrugated pipe, the right side of the second fixed pipe is in butt joint with the second connecting pipe, and the first fixed pipe and the second fixed pipe have the same structure with respect to the butt joint part of the corrugated pipe.
Preferably, the left side sectional area of second connecting pipe is less than the right side sectional area of second connecting pipe, and the left side surface of second connecting pipe is equipped with circular through-hole, the circular through-hole sectional area in second connecting pipe left side is greater than the cross-sectional area of guide bar, and the inside of second connecting pipe is equipped with the rectangle cavity, sliding friction takes place at the inside of rectangle cavity for spacing seat, and the length of rectangle cavity is greater than the horizontal length of spacing seat.
Preferably, lower spacing block and last spacing block all are the hemisphere, and the bottom and the positioning seat fixed connection of spacing block down, the bottom and the outer wall fixed connection of bellows go up the spacing block, and spacing block and last spacing block are the staggered arrangement down.
Compared with the prior art, the invention has the following beneficial effects:
1. this bellows compensator of built-in elastic connection structure, through increasing first connecting pipe, first powerful magnet, second powerful magnet, the fixed pipe of second, second connecting pipe and spacing seat, when receiving compression and tensile effort to the bellows, through the removal of first powerful magnet on the inside emergence horizontal direction of first fixed pipe, the guide bar drives spacing seat and takes place lateral shifting in the second fixing base is inside simultaneously, thereby reach the purpose of compensating bellows length, axial force causes the condition emergence of damage to the butt joint when avoiding the bellows to be compressed or stretched, the life of butt joint has been prolonged.
2. This bellows compensator of built-in elastic connection structure, through increasing the spacing piece, spacing piece down, block the spacing piece, reset spring, the fixed pipe of second and positioning seat, when the pipeline takes place radial dislocation and warp, when the joint position bears the shearing force, through the dislocation structure of spacing piece and spacing piece down, make the dislocation shearing force of original vertical direction become current horizontal axial force, carry out the length compensation on the horizontal direction to the butt joint through horizontal compensation structure, thereby avoid pipeline dislocation shearing force to lead to the butt joint fracture and produce the leakage, the maintenance cost in later stage has been reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 2 according to the present invention;
fig. 5 is an enlarged schematic view of the structure at C in fig. 2 according to the present invention.
In the figure: 1. a lower flange; 2. a bellows; 3. an upper flange; 4. connecting blocks; 5. a pull rod; 6. a first connecting pipe; 7. a first powerful magnet; 8. a second powerful magnet; 9. a first stationary tube; 10. a second stationary tube; 11. a limiting seat; 12. a second connecting pipe; 13. a lower limiting block; 14. positioning seats; 15. a bit block; 16. a return spring; 17. an upper limit block; 18. a guide rod.
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. 1-5, a bellows compensator with a built-in elastic connection structure includes a lower flange 1, a first connection pipe 6 is fixedly connected to a top of the lower flange 1, a right side sectional area of the first connection pipe 6 is smaller than a left side sectional area, a cavity is disposed on a left side of an inside of a first fixed pipe 9, a left side cavity sectional area of the inside of the first fixed pipe 9 is smaller than a sectional area of a first strong magnet 7, and the first strong magnet 7 generates sliding friction inside the cavity, when the bellows 2 is subjected to compression and tensile forces, the first fixed pipe 9 is subjected to tensile force, and when the tensile force exceeds an attractive force between the first strong magnet 7 and a second strong magnet 8, the first strong magnet 7 generates sliding friction inside the left side cavity of the first fixed pipe 9, thereby driving the first connection pipe 6 to move to the left side, compensating a length of a butt joint of a pipe body, thereby preventing a butt joint pipe from being damaged under an axial force, the condition that the service life is influenced occurs, the top of the first connecting pipe 6 is fixedly connected with a first strong magnet 7, the left side of the first strong magnet 7 is fixedly connected with the first connecting pipe 6, the right side of a second strong magnet 8 meets the inner wall of the left inner cavity of the first fixing pipe 9, the sectional areas of the first strong magnet 7 and the second strong magnet 8 are the same, the heteropolarities of the first strong magnet 7 and the second strong magnet 8 are opposite, the connecting structure of the first connecting pipe 6 and the first fixing pipe 9 is fixed through the adsorption force between the first strong magnet 7 and the second strong magnet 8, meanwhile, the sliding friction is generated in the left inner cavity of the first fixing pipe 9 through the first strong magnet 7, the transverse length is compensated, when the corrugated pipe 2 is not subjected to the compression and tensile forces any more, the first strong magnet 7 moves towards the right side, the first fixing pipe 9 and the second fixing pipe 10 are in the same structure with respect to the butt joint part of the corrugated pipe 2, and the first fixing pipe 9 and the second fixing pipe 10 are respectively in transverse length compensation with the connection structure of the corrugated pipe 2, the second connecting pipe 12 and the first connecting pipe 6, so that the butt joint pipeline is prevented from being damaged, the inner wall of the first fixing pipe 9 is fixedly connected with a reset spring 16, one side of the reset spring 16 is fixedly connected with a positioning seat 14, the bottom of the positioning seat 14 is fixedly connected with an upper limiting block 17, the bottom of the upper limiting block 17 is provided with a lower limiting block 13, the lower limiting block 13 and the upper limiting block 17 are both hemispherical, the bottom of the lower limiting block 13 is fixedly connected with the positioning seat 14, the bottom of the upper limiting block 17 is fixedly connected with the outer wall of the corrugated pipe 2, the lower limiting block 13 and the upper limiting block 17 are arranged in a staggered manner, when the pipeline is subjected to radial dislocation deformation and a joint part bears shearing force, the lower limiting block 13 moves in the vertical direction through the staggered arrangement type structure of the upper limiting block 17 and the lower limiting block 13 to provide transverse acting force for the upper limiting block 17, the transverse force is compensated through a return spring 16, the transverse force provided by the lower limiting block 13 exceeds the compensation range of the return spring 16, the compensation effect of the transverse axial force is performed through the structure of the butt joint pipeline, the bottom of the lower limiting block 13 is fixedly connected with the corrugated pipe, a stop block 15 is arranged on the left side of the lower stop block 13, an upper flange 3 is arranged on the top of the corrugated pipe 2, a connecting block 4 is fixedly connected to the outer wall of the upper flange 3, a pull rod 5 is movably connected inside the connecting block 4, a second connecting pipe 12 is fixedly connected to the bottom of the upper flange 3, the left side sectional area of the second connecting pipe 12 is smaller than the right side sectional area of the second connecting pipe 12, a circular through hole is arranged on the left side surface of the second connecting pipe 12, the sectional area of the circular through hole on the left side of the second connecting pipe 12 is larger than the sectional area of the guide rod 18, a rectangular cavity is arranged inside the second connecting pipe 12, the stop seat 11 generates sliding friction inside the rectangular cavity, the length of the rectangular cavity is larger than the horizontal length of the stop seat 11, when the corrugated pipe 2 is subjected to compression and tensile acting forces, the second fixed pipe 10 drives the, thereby carry out length compensation to butt joint interface, no longer receive compression and tensile effort when bellows 2, under the action of gravity, spacing seat 11 drives guide bar 18 and resets, and the outside swing joint of second connecting pipe 12 has the fixed pipe 10 of second during, and the bottom fixedly connected with guide bar 18 of the fixed pipe 10 of second, the bottom fixedly connected with spacing seat 11 of guide bar 18.
The working principle is that when the pipeline is deformed in a radial dislocation way and the joint part bears shearing force, the upper limiting block 17 and the lower limiting block 13 move in a vertical direction through the staggered arrangement structure of the upper limiting block 17 and the lower limiting block 13, the upper limiting block 17 provides transverse acting force, the transverse force compensation is performed through the reset spring 16, the transverse force provided by the lower limiting block 13 exceeds the compensation range of the reset spring 16, the compensation effect of the transverse axial force is performed through the butt joint pipeline structure, when the corrugated pipe 2 is subjected to compression and stretching acting force, the first fixing pipe 9 is stressed and stretched, when the stretching force exceeds the attractive force between the first strong magnet 7 and the second strong magnet 8, the first strong magnet 7 generates sliding friction in the inner cavity at the left side of the first fixing pipe 9, so that the first connecting pipe 6 is driven to move towards the left side, the length compensation is performed on the butt joint of the pipe body, and simultaneously when the corrugated pipe 2 is subjected to compression and, the second fixing tube 10 drives the limiting seat 11 to move transversely in the cavity inside the second connecting tube 12 through the guide rod 18, so as to compensate the length of the butt joint.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Bellows compensator of built-in elastic connection structure, including lower flange (1), its characterized in that: the top of the lower flange (1) is fixedly connected with a first connecting pipe (6), the top of the first connecting pipe (6) is fixedly connected with a first strong magnet (7), the top of the first strong magnet (7) is provided with a second strong magnet (8), the top of the second strong magnet (8) is fixedly connected with a first fixed pipe (9), the inner wall of the first fixed pipe (9) is fixedly connected with a reset spring (16), one side of the reset spring (16) is fixedly connected with a positioning seat (14), the bottom of the positioning seat (14) is fixedly connected with an upper limiting block (17), the bottom of the upper limiting block (17) is provided with a lower limiting block (13), the bottom of the lower limiting block (13) is fixedly connected with a corrugated pipe (2), the left side of the lower limiting block (13) is provided with a stopping block (15), the top of the corrugated pipe (2) is provided with an upper flange (3), go up outer wall fixedly connected with connecting block (4) of flange (3), the inside swing joint of connecting block (4) has pull rod (5), the bottom fixedly connected with second connecting pipe (12) of going up flange (3), the outside swing joint of second connecting pipe (12) has the fixed pipe of second (10), the bottom fixedly connected with guide bar (18) of the fixed pipe of second (10), the spacing seat of bottom fixedly connected with (11) of guide bar (18).
2. The bellows compensator of built-in elastic connection structure according to claim 1, wherein: the right side sectional area of first connecting pipe (6) is less than the left side sectional area, and the inside left side of first fixed pipe (9) is equipped with the cavity, the inside left side cavity sectional area of first fixed pipe (9) is less than the sectional area of first powerful magnet (7), and first powerful magnet (7) take place sliding friction in the cavity is inside.
3. The bellows compensator of built-in elastic connection structure according to claim 1, wherein: the left side and the first connecting pipe (6) fixed connection of first powerful magnet (7), and the right side of second powerful magnet (8) meet the inside cavity inner wall fixed connection in left side of first fixed pipe (9), the sectional area of first powerful magnet (7) and second powerful magnet (8) is the same, and first powerful magnet (7) and second powerful magnet (8) heteropolarity are relative.
4. The bellows compensator of built-in elastic connection structure according to claim 1, wherein: the left side of first fixed pipe (9) and first connecting pipe (6) butt joint, the right side of first fixed pipe (9) and bellows (2) butt joint, the left side and bellows (2) butt joint of the fixed pipe of second (10), and the right side and the butt joint of second connecting pipe (12) of the fixed pipe of second (10), the fixed pipe of first (9) and second (10) are the same about bellows (2) butt joint part structure.
5. The bellows compensator of built-in elastic connection structure according to claim 1, wherein: the left side sectional area of second connecting pipe (12) is less than the right side sectional area of second connecting pipe (12), and the left side surface of second connecting pipe (12) is equipped with circular through-hole, the circular through-hole sectional area in second connecting pipe (12) left side is greater than the sectional area of guide bar (18), and the inside of second connecting pipe (12) is equipped with the rectangle cavity, sliding friction takes place in the rectangle cavity inside spacing seat (11), and the length of rectangle cavity is greater than the horizontal length of spacing seat (11).
6. The bellows compensator of built-in elastic connection structure according to claim 1, wherein: lower spacing block (13) and last spacing block (17) all are the hemisphere, and the bottom and positioning seat (14) fixed connection of spacing block (13) down, the bottom of last spacing block (17) and the outer wall fixed connection of bellows (2), and spacing block (13) and last spacing block (17) are the staggered arrangement down.
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