CN117267501B

CN117267501B - Anticorrosive bellows compensator

Info

Publication number: CN117267501B
Application number: CN202311562254.8A
Authority: CN
Inventors: 王素红; 唐小梅; 黄玉林; 沈荣杰
Original assignee: Jiangsu Borg Dongjin Pipeline Equipment Co ltd
Current assignee: Jiangsu Borg Dongjin Pipeline Equipment Co ltd
Priority date: 2023-11-22
Filing date: 2023-11-22
Publication date: 2024-02-23
Anticipated expiration: 2043-11-22
Also published as: CN117267501A

Abstract

The invention relates to the technical field of compensators, in particular to an anti-corrosion corrugated pipe compensator; the device comprises fixing rings, wherein the number of the fixing rings is two, the two fixing rings are distributed in a bilateral symmetry manner, a first wave tube is arranged between the two fixing rings, supporting rings are arranged on the opposite sides of the two fixing rings, a second wave tube is arranged between the supporting rings and the corresponding fixing rings, two ends of the first wave tube and two ends of the second wave tube are connected with the corresponding fixing rings and the supporting rings through sealing mechanisms, and locking mechanisms for fixing the supporting rings are arranged on the fixing rings; the invention solves the problems that the welding connection mode of the corrugated pipe and the flange is inconvenient to disassemble, maintain and replace the corrugated pipe, the length of the corrugated pipe compensator is fussy to adjust and the like in the use process of the existing corrugated pipe compensator.

Description

Anticorrosive bellows compensator

Technical Field

The invention relates to the technical field of compensators, in particular to an anti-corrosion corrugated pipe compensator.

Background

The corrugated pipe compensator is a device for compensating the problems of expansion with heat and contraction with cold and vibration caused by temperature change, vibration or pressure change in a pipeline system, and is generally formed by connecting a corrugated pipe with a flange and a screw; the corrugated pipe compensator mainly has the effects of reducing the stress influence of surrounding pipelines and equipment by virtue of a flexible corrugated structure and displacement and deformation allowed to move in the system, and absorbing and compensating the deformation of the pipelines by virtue of expansion and contraction or bending when the pipeline system is influenced by vibration, so that the stress concentration of the system is reduced, and the reliability and safety of the system are improved.

The corrugated pipe is connected with the flanges in a welded mode, and the two opposite flanges are connected through the screw rod, so that the strength of the whole structure is guaranteed, and the problem that the corrugated pipe and the flange are damaged due to the fact that the connecting parts of the corrugated pipe and the flanges are stressed greatly in the moving process is avoided, and the use is affected.

However, the present corrugated pipe compensator has the following problems in the use process: because connect through welded mode between bellows and the flange, lead to when needing to adjust or change the bellows, need carry out the operation that welds the dismantlement and weld again, increased the degree of difficulty and the cost of maintaining and changing, and because the cooperation of screw rod and nut is fixed, make the in-process of adjusting the length of bellows compensator need rotate repeatedly, adjust and lock, cause whole adjustment process comparatively loaded down with trivial details, and labour cost is higher.

Disclosure of Invention

In view of the above, embodiments of the present invention provide an anti-corrosion bellows compensator to solve the above technical problems.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: the embodiment of the invention provides an anti-corrosion corrugated pipe compensator which comprises two fixing rings, wherein the two fixing rings are symmetrically distributed left and right, a first corrugated pipe is arranged between the two fixing rings, supporting rings are arranged on the opposite sides of the two fixing rings, a second corrugated pipe is arranged between the supporting rings and the corresponding fixing rings, two ends of the first corrugated pipe and two ends of the second corrugated pipe are connected with the corresponding fixing rings and the supporting rings through sealing mechanisms, and locking mechanisms for fixing the supporting rings are arranged on the fixing rings.

The locking mechanism comprises driven gears, a plurality of driven gears are evenly rotatably arranged on opposite sides of two fixed rings in the circumferential direction, cover plates are arranged on opposite sides of the two fixed rings, a limiting rod corresponding to the driven gears is arranged on a supporting ring, one end of the limiting rod is fixed with the supporting ring through a first nut, the other end of the limiting rod sequentially rotates to penetrate through the cover plates and the fixed rings, a second nut is arranged on the limiting rod in the fixed rings, limiting grooves matched with the second nut are formed in the driven gears, connecting rings are arranged on opposite sides of the two cover plates through bolts, concentric toothed rings are rotatably arranged between the connecting rings and the cover plates, the toothed rings are internally meshed with the driven gears, and a driving unit for driving the two toothed rings to rotate is arranged between the two fixed rings 10.

As the preferred scheme, the drive unit include the driving gear, the looks back of two solid fixed rings all rotate and install the driving gear with the ring gear meshing, and driving gear rotates with the apron to be connected, be provided with the pivot between two driving gears, and pivot and solid fixed ring, apron normal running fit, be located right driving gear and pivot through spline fit, be provided with on the apron on right side with pivot fixed connection's step motor, set up limited commentaries on classics groove on the gag lever post anchor ring, set up the through-hole that supplies the gag lever post to pass on the solid fixed ring, and the through-hole inner wall is equipped with and limit commentaries on classics groove matched with lug, be provided with on the solid fixed ring and be used for limiting pivot pivoted locating part.

As the preferred scheme, sealing mechanism include the body, no. one ripples pipe both ends and No. two ripples pipe both ends all are provided with the body, the round hole has been seted up at the apron middle part, the pressure section of thick bamboo is all installed through a pressure spring to the left and right sides terminal surface of two holding ring opposite faces and solid fixed ring, the through-hole of round platform shape has been seted up to the pressure section of thick bamboo inner chamber, the arc piece is installed along its circumference direction even sliding fit to the through-hole inner wall, and a complete round platform tubular construction is constituteed to a plurality of arc pieces, the guide way has been seted up along its slope orbit to the through-hole inner wall, be provided with on the arc piece with guide way complex T type piece, all be provided with sealed pad between pressure section of thick bamboo and the holding ring and between pressure section of thick bamboo and the solid fixed ring, be provided with the extrusion piece that is used for promoting its both ends pressure section of thick bamboo on No. two ripples pipes, be provided with the extrusion piece that promotes its both ends pressure section of thick bamboo on the No. one ripples pipe.

As the preferred scheme, extrusion No. one include the connecting pipe, the cover is equipped with the connecting pipe on the gag lever post of No. two ripples pipe departments, the connecting pipe is close to the lateral wall bilateral symmetry of No. two ripples pipe axes and is provided with two connecting rods, through round pin axle swivelling joint between two connecting rods, the cylinder is installed in one side rotation that two connecting rods kept away from each other, be provided with the extension board of taking the U-shaped groove on the pressure section of thick bamboo corresponding to the cylinder, and the U-shaped groove looks joint of cylinder and extension board, be provided with the extension spring between connecting rod and the connecting pipe, the riser in taking the waist groove is installed to the connecting pipe lateral wall, the round pin axle and the waist groove sliding fit that the connecting rod links to each other, and the waist groove length of the extrusion No. 1 neutral board that is located the left is greater than the waist groove length of the extrusion No. neutral board that is located the right side.

As the preferred scheme, no. two extrusions include spacing pipe, all overlap on the gag lever post outer wall between two solid fixed rings and be equipped with spacing pipe, a plurality of spacing pipes divide into the multiunit, every group contains two spacing pipes, install even the board between two spacing pipes in every group, even the board is close to one side rotation of a ripples pipe and is installed the connecting rod, the both ends of connecting rod all articulate and have the extrusion pole, be provided with No. two pressure springs between extrusion pole and the connecting rod, one side rotation that the connecting rod was kept away from to the extrusion pole is installed the jack post, be provided with the stopper with jack post one-to-one on the pressure barrel, set up the U groove with jack post looks joint on the stopper.

As the preferred scheme, the locating part include the locking post, be located the right-hand member spindle nose of right side driving gear and be provided with the locking post, the spline portion sliding fit of locking post and pivot, the spacing spout has been seted up along its circumference direction slope to the locking post outer wall, the locating plate is installed in the outside rotation of locking post, be provided with on the locating plate with spacing spout sliding fit's roller bearing, one side that the locating plate kept away from the locking post is provided with the mounting with the locating plate is fixed.

As the preferred scheme, the mounting include T type post, the through-hole has been seted up to one side that the locking post was kept away from to the limiting plate, and the through-hole inner wall is provided with the notch, and slidable mounting has T type post in the through-hole, is provided with extension spring between the vertical section of T type post and the limiting plate, and the horizontal segment of T type post is provided with the rectangular block with notch complex, is provided with on the solid fixed ring with T type post horizontal segment complex spacing hole.

The above technical solutions in the embodiments of the present invention have at least one of the following technical effects: 1. the integral anti-corrosion corrugated pipe compensator provided by the invention is detachably connected with the corrugated pipe, so that the subsequent replacement and maintenance are convenient, the locking mechanism drives the toothed ring to rotate through the driving unit, so that a plurality of driven gears provided with second nuts synchronously rotate, and the driven gears rotate to drive the corresponding limiting rods to synchronously move, so that the distance between the supporting ring and the fixed ring and the distance between the fixed ring can be synchronously adjusted, and the compressed quantity of the second corrugated pipe and the first corrugated pipe can be changed.

2. The sealing mechanism provided by the invention pushes the arc blocks through the compression cylinder, so that the arc blocks are gathered and attached to extrude the pipe body to ensure the tightness, and in addition, under the action of the tension spring and the second pressure spring, the tension spring and the second pressure spring can ensure that the compression cylinder always extrudes the arc blocks, and after the distances between the support ring and the fixed ring and between the fixed ring are larger than the action ranges of the first extrusion piece and the second extrusion piece, the extrusion of the compression cylinder can be released, so that the first wave pipe and the second wave pipe can be conveniently detached and replaced.

3. After the corrugated pipe is assembled and adjusted through rotation of the rotating shaft, the limiting plate is moved, the T-shaped column is aligned with the limiting hole, and the locking column is in spline fit with the rotating shaft to limit rotation of the rotating shaft, so that the phenomenon that the toothed ring is driven to deflect due to rotation of the rotating shaft caused by vibration generated in the using process of the corrugated pipe is avoided, and the using effect of the corrugated pipe compensator is affected.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a first view of the present invention.

Fig. 2 is a schematic view of a second perspective structure of the present invention.

Fig. 3 is a schematic perspective view of the left cover plate omitted in the present invention.

Fig. 4 is a schematic perspective view of the present invention with the right cover plate omitted.

Fig. 5 is a partial structural cross-sectional view of the sealing mechanism of the present invention.

Fig. 6 is an exploded view of a part of the structure of the sealing mechanism of the present invention.

Fig. 7 is a schematic view of a partial perspective structure of a limiting member and a fixing member according to the present invention.

Fig. 8 is an exploded view of a portion of the structure of fig. 7.

Reference numerals: 10. a fixing ring; 11. a first wave tube; 12. a support ring; 13. a second wave tube; 2. a locking mechanism; 20. a driven gear; 21. a cover plate; 22. a limit rod; 23. a first nut; 24. a connecting ring; 25. a toothed ring; 26. a second nut; 4. a driving unit; 40. a drive gear; 41. a rotating shaft; 42. a stepping motor; 43. a waist-shaped groove; 44. a limiting piece; 440. a locking post; 441. limiting sliding grooves; 442. a limiting plate; 443. a roller; 45. a fixing member; 450. a T-shaped column; 451. a tension spring; 452. rectangular blocks; 453. a limiting hole; 3. a sealing mechanism; 30. a tube body; 31. pressing a cylinder; 32. an arc-shaped block; 33. a T-shaped block; 34. a first extrusion; 340. a connecting pipe; 341. a connecting rod; 342. a support plate; 343. a tension spring; 35. extrusion No. two; 350. a limiting tube; 351. a connecting plate; 352. a connecting rod; 353. pushing the rod; 354. a second pressure spring; 355. and a limiting block.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1 and fig. 2, an anti-corrosion corrugated pipe compensator comprises fixing rings 10, the number of the fixing rings 10 is two, the two fixing rings 10 are distributed in bilateral symmetry, a first corrugated pipe 11 is arranged between the two fixing rings 10, supporting rings 12 are arranged on the opposite sides of the two fixing rings 10, a second corrugated pipe 13 is arranged between the supporting rings 12 and the corresponding fixing rings 10, two ends of the first corrugated pipe 11 and two ends of the second corrugated pipe 13 are connected with the corresponding fixing rings 10 and the supporting rings 12 through sealing mechanisms 3, and locking mechanisms 2 used for fixing the supporting rings 12 are arranged on the fixing rings 10.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the locking mechanism 2 comprises a driven gear 20, a plurality of driven gears 20 are uniformly and circumferentially rotatably mounted on opposite sides of two fixed rings 10, a cover plate 21 is mounted on opposite sides of the two fixed rings 10, a limit rod 22 corresponding to the driven gears 20 is arranged on a supporting ring 12, one end of the limit rod 22 is fixed with the supporting ring 12 through a first nut 23, the other end of the limit rod 22 sequentially rotates to penetrate through the cover plate 21 and the fixed rings 10, a second nut 26 is arranged on the limit rod 22 in the fixed rings 10, limit grooves matched with the second nut 26 are formed in the driven gears 20, connecting rings 24 are mounted on opposite sides of the two cover plates 21 through bolts, concentric toothed rings 25 are rotatably mounted between the connecting rings 24 and the cover plates 21, the toothed rings 25 are in inner engagement with the driven gears 20, and a driving unit 4 for driving the two toothed rings 25 to rotate is arranged between the two fixed rings 10.

As shown in fig. 1, 2, 3 and 4, the driving unit 4 includes a driving gear 40, the opposite sides of the two fixing rings 10 are rotatably provided with driving gears 40 engaged with the toothed rings 25, the driving gears 40 are rotatably connected with the cover plate 21, a rotating shaft 41 is disposed between the two driving gears 40, the rotating shaft 41 is rotatably matched with the fixing rings 10 and the cover plate 21, the driving gears 40 on the right side are in spline fit with the rotating shaft 41, the cover plate 21 on the right side is provided with a stepping motor 42 fixedly connected with the rotating shaft 41, the annular surface of the limiting rod 22 is provided with a limited rotating groove 43, the fixing ring 10 is provided with a through hole for the limiting rod 22 to pass through, the inner wall of the through hole is provided with a bump matched with the limited rotating groove 43, and the fixing ring 10 is provided with a limiting member 44 for limiting the rotation of the rotating shaft 41.

During specific operation, firstly, the end part of the limiting rod 22 is manually connected with the support ring 12 through the first nut 23, then the limiting rod 22 is connected with the sealing mechanism 3, the limiting rod 22 passes through the cover plate 21 and the fixed ring 10 and then is connected with the second nut 26, then the stepping motor 42 operates to drive the rotating shaft 41 to rotate, the driving gear 40 is driven to rotate in the rotating process of the rotating shaft 41, the driving gear 40 rotates to drive the toothed ring 25 meshed with the driving gear 40 to rotate, the toothed ring 25 rotates to drive the driven gear 20, the driven gear 20 rotates to drive the second nut 26 to rotate, under the cooperation of the limiting groove 43 and the protruding block, the limiting rod 22 is limited to rotate, the rotating second nut 26 can be smoothly matched with the limiting rod 22 and drive the limiting rod 22 to move, the corresponding supporting ring 12 is driven to be close to the fixed ring 10 in the moving process of the limiting rod 22, the two fixed rings 10 are extruded and the sealing mechanism 3 is extruded to enable the first wave tube 11 to be connected with the fixed ring 10 at the two ends, the second wave tube 13 is connected with the corresponding supporting ring 12 and the fixed ring 10, and after the supporting ring 12 moves in place, and the supporting ring 12 moves in place through the limiting piece 44, and the corresponding wave tube 41 is fixed to the rotating shaft 12 to the corresponding supporting ring 12 to avoid the deflection effect of the driving tube 40 in the use process; in addition, the main materials of the corrugated pipe compensator are materials with strong corrosion resistance, such as stainless steel, nickel-based alloy, acid and alkali resistant materials and the like; the outer surface of the bellows compensator typically requires a coating process to provide additional corrosion protection; the coating can be corrosion-resistant paint or epoxy resin, so that the contact between the surface of the pipeline and the external environment can be effectively isolated, and corrosion of corrosive media can be prevented.

As shown in fig. 1, fig. 2, fig. 5 and fig. 6, the sealing mechanism 3 comprises a pipe body 30, two ends of the first wave pipe 11 and two ends of the second wave pipe 13 are respectively provided with a pipe body 30, round holes are formed in the middle of the cover plate 21, the opposite surfaces of the two support rings 12 and the left end surface and the right end surface of the fixed ring 10 are respectively provided with a pressing cylinder 31 through a first pressure spring, a circular truncated cone-shaped through hole is formed in the inner cavity of the pressing cylinder 31, an arc block 32 is uniformly and slidably matched with the inner wall of the through hole along the circumferential direction of the through hole, a plurality of arc blocks 32 form a complete circular truncated cone pipe structure, guide grooves are formed in the inner wall of the through hole along the inclined track of the through hole, T-shaped blocks 33 matched with the guide grooves are arranged on the arc blocks 32, sealing gaskets are respectively arranged between the pressing cylinders 31 and the support rings 12 and between the pressing cylinders 31 and the fixed ring 10, a first extrusion 34 for pushing the pressing cylinders 31 at two ends of the second wave pipe 13 is arranged on the first wave pipe 11, and a second extrusion 35 pushing the pressing cylinders 31 at two ends of the first wave pipe 11 is arranged.

As shown in fig. 1, fig. 2 and fig. 5, the first extrusion 34 comprises a connecting pipe 340, the limiting rod 22 at the second wave tube 13 is sleeved with the connecting pipe 340, two connecting rods 341 are symmetrically arranged on the side wall of the connecting pipe 340, which is close to the axis of the second wave tube 13, the two connecting rods 341 are rotationally connected through a pin shaft, a column body is rotationally arranged on one side, which is far away from each other, of the two connecting rods 341, a support plate 342 with a U-shaped groove is arranged on the pressure cylinder 31, the column body is clamped with the U-shaped groove of the support plate 342, a tension spring 343 is arranged between the connecting rod 341 and the connecting pipe 340, a vertical plate with a waist groove is arranged on the outer side wall of the connecting pipe 340, the pin shaft connected with the connecting rod 341 is in sliding fit with the waist groove, and the waist groove length of the middle plate of the first extrusion 34 positioned on the left side is larger than the waist groove length of the middle plate of the first extrusion 34 positioned on the right side.

As shown in fig. 1 and 2, the second extrusion member 35 includes a limiting tube 350, a limiting rod 22 between two fixing rings 10 is sleeved with the limiting tube 350, a plurality of limiting tubes 350 are divided into a plurality of groups, each group includes two limiting tubes 350, a connecting plate 351 is installed between the two limiting tubes 350 in each group, a connecting rod 352 is rotatably installed on one side of the connecting plate 351 close to the first wave tube 11, both ends of the connecting rod 352 are hinged with a pushing rod 353, a second compression spring 354 is arranged between the pushing rod 353 and the connecting rod 352, a shaft column is rotatably installed on one side of the pushing rod 353 far from the connecting rod 341, limiting blocks 355 corresponding to the shaft column one to one are arranged on the pressing cylinder 31, and U grooves which are in clamping connection with the shaft column are formed in the limiting blocks 355.

When the support ring is in specific work, the limiting rod 22 passes through the cover plate 21 and the fixed ring 10 in a synchronous and sequential manner and passes through the connecting pipe 340 and the limiting pipe 350, then the connecting pipe 340 is rotated to enable the pin shaft to be clamped with the U-shaped groove of the support plate 342, the connecting rod 341 is extruded along with the approach of the support ring 12 to the fixed ring 10 to enable the pin shaft to slide upwards in the waist groove, the tension spring 343 is stretched, when the pin shaft can not move continuously along the waist groove, the support ring 12 moves continuously to enable the support plate 342 to displace downwards, the support plate 342 can push the pressing cylinder 31, the pressing cylinder 31 moves to squeeze the arc-shaped block 32, the inner wall of the arc-shaped block 32 is clung to the outer wall of the corresponding pipe body 30, and meanwhile the pressing cylinder 31 can squeeze the sealing ring, so that the tightness between the second wave tube 13 and the support ring 12 and the fixed ring 10 is ensured; in the process of moving the two support rings 12 close to each other, the pushing rod 353 is pushed to enable the shaft column of the pushing rod 353 to be in clamping fit with the U-shaped groove of the limiting block 355, as the support rings 12 move towards the corresponding fixed rings 10 and press the connecting rods 341, the pin shafts connected with the connecting rods 341 slide in the waist grooves, along with the movement of the support rings 12, the pin shafts connected with the connecting rods 341 positioned on the right side move upwards to collide with the waist grooves, so that the subsequent movement of the support rings 12 can push the fixed rings 10 positioned on the right side to move towards the fixed rings 10 positioned on the left side, and as the waist groove length of the neutral plate of the first pressing member 34 positioned on the left side is longer than that of the neutral plate of the first pressing member 34 positioned on the right side, the connecting rods 341 positioned on the left side can continue to rotate and move while the first pressing member 34 positioned on the right side pushes the fixed plates, and the tension springs 343 are stretched, along with the movement of the fixed rings 10, meanwhile, the pushing rod 353 pushes the connecting rod 352 to deflect, the second spring 354 is compressed in the deflection process of the connecting rod 352, the reaction force of the second spring 354 acts on the pushing rod 353 through the connecting rod 352, so that the pushing rod 353 pushes the pressing cylinder 31 through the limiting block 355, the pressing cylinder 31 extrudes the arc block 32 to be attached to the inner wall of the arc block 32 and the outer wall of the corresponding pipe body 30, the pressing cylinder 31 synchronously extrudes the sealing rings, so as to ensure the tightness between the two ends of the first wave tube 11 and the fixed ring 10, in addition, when the length of the bellows compensator needs to be adjusted, the driving gear 40 is driven by the stepping motor 42, the driven gear 20 is driven by the toothed ring 25 to rotate, the second nut 26 is driven by the rotation process of the driven gear 20, due to the threaded connection of the second nut 26 and the limiting rod 22, the rotation of the second nut 26, the limiting rod 22 moves to properly adjust the length of the bellows compensator, in order to improve the action and effect, during the adjustment process, the compression cylinder 31 can keep extruding the arc-shaped block 32 due to the action of the second pressure spring 354 and the tension spring 343, so that the sealing mechanism 3 can keep an extrusion sealing state during the adjustment process.

As shown in fig. 1, 4, 7 and 8, the limiting member 44 includes a locking post 440, a locking post 440 is disposed at a right end of the driving gear 40, the locking post 440 is slidably engaged with a spline portion of the rotating shaft 41, a limiting chute 441 is obliquely disposed on an outer wall of the locking post 440 along a circumferential direction of the locking post, a limiting plate 442 is rotatably disposed on an outer side of the locking post 440, a roller 443 slidably engaged with the limiting chute 441 is disposed on the limiting plate 442, and a fixing member 45 for fixing the limiting plate 442 is disposed on a side of the limiting plate 442 away from the locking post 440.

As shown in fig. 4, 7 and 8, the fixing member 45 includes a T-shaped column 450, a through hole is formed on a side of the limiting plate 442 away from the locking column 440, a slot is formed on an inner wall of the through hole, the T-shaped column 450 is slidably mounted in the through hole, a tension spring 451 is disposed between a vertical section of the T-shaped column 450 and the limiting plate 442, a rectangular block 452 matched with the slot is disposed on a horizontal section of the T-shaped column 450, and a limiting hole 453 matched with a horizontal section of the T-shaped column 450 is formed on the fixing ring 10.

When the corrugated pipe compensator is particularly in operation, after the corrugated pipe compensator is connected or adjusted, the limiting plate 442 is rotated, the roller 443 slides in the limiting sliding groove 441, the limiting plate 442 can rotate while moving towards the fixed ring 10, the limiting plate 442 drives the T-shaped column 450 to synchronously move until the T-shaped column 450 is aligned with the limiting hole 453, the tension spring 451 is always in a contracted state before the alignment is completed, when the T-shaped column 450 is opposite to the limiting hole 453, the T-shaped column 450 moves towards the limiting hole 453 under the action of the tension spring 451, and the horizontal section of the T-shaped column 450 is inserted into the limiting hole 453 to limit the rotation of the limiting plate 442, so that the rotating shaft 41 is fixed through the locking column 440, and the use effect of the corrugated pipe compensator is prevented from being influenced by the rotation of the rotating shaft 41 in the use process of the corrugated pipe compensator.

When the invention is specifically used, the fixed ring 10 and the supporting ring 12 are connected through the limiting rod 22, the driving unit 4 drives the second nut 26 to rotate, the second nut 26 rotates to drive the limiting rod 22 to move, the limiting rod 22 moves to drive the supporting ring 12 to be close to the fixed ring 10, the movement of the supporting ring 12 drives the tension spring 343 in the first extrusion piece 34 to stretch, the reaction force of the stretched tension spring 343 can push the fixed ring 10 to move through the connecting rod 341, the corresponding pressing cylinder 31 can be extruded through the corresponding first extrusion piece 34 and the second extrusion piece 35 in the moving process of the supporting ring 12 and the fixed ring 10, the pressing cylinder 31 can extrude the arc-shaped block 32 to be close to the pipe body 30 corresponding to extrusion, the tightness of connection between the two ends of the first wave pipe 11 and the corresponding supporting ring 12 and the fixed ring 10 and the tightness of connection between the two ends of the second wave pipe 13 are ensured, when the first wave pipe 11 and the second wave pipe 13 need to be maintained and replaced, the distance between the fixed ring 10 and the supporting ring 12 can be adjusted, the pressing cylinder 31 can be extruded through the corresponding first extrusion piece 34 and the second extrusion piece 35, the arc-shaped block 32 can be replaced, and the second wave pipe 11 can be replaced or replaced after the second wave pipe 13 is replaced, and the corrugated pipe is replaced or replaced after the corrugated pipe is replaced.

In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Furthermore, the terms "first," "second," "first," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "first", "second", "first", "second" may include at least one such feature, either explicitly or implicitly. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.

Claims

1. An anti-corrosion bellows compensator comprising a fixing ring (10), characterized in that: the number of the fixing rings (10) is two, the two fixing rings (10) are symmetrically distributed left and right, a first wave tube (11) is arranged between the two fixing rings (10), supporting rings (12) are arranged on the opposite sides of the two fixing rings (10), a second wave tube (13) is arranged between the supporting rings (12) and the corresponding fixing rings (10), two ends of the first wave tube (11) and two ends of the second wave tube (13) are connected with the corresponding fixing rings (10) and the supporting rings (12) through sealing mechanisms (3), and locking mechanisms (2) for fixing the supporting rings (12) are arranged on the fixing rings (10); wherein:

the locking mechanism (2) comprises driven gears (20), a plurality of driven gears (20) are circumferentially and uniformly rotatably arranged on opposite sides of two fixed rings (10), cover plates (21) are arranged on opposite sides of the two fixed rings (10), limiting rods (22) corresponding to the driven gears (20) are arranged on the supporting rings (12), one ends of the limiting rods (22) are fixed with the supporting rings (12) through first nuts (23), the other ends of the limiting rods (22) sequentially rotate to penetrate through the cover plates (21) and the fixed rings (10), second nuts (26) are arranged on the limiting rods (22) in the fixed rings (10), limiting grooves matched with the second nuts (26) are formed in the driven gears (20), connecting rings (24) are arranged on opposite sides of the two cover plates (21) through bolts, concentric toothed rings (25) are rotatably arranged between the connecting rings (24) and the cover plates (21), the toothed rings (25) are internally meshed with the driven gears (20), and driving units (4) for driving the two toothed rings (25) are arranged between the two fixed rings (10);

the sealing mechanism (3) comprises a pipe body (30), pipe bodies (30) are arranged at the two ends of the first wave pipe (11) and the two ends of the second wave pipe (13), round holes are formed in the middle of the cover plate (21), a pressing cylinder (31) is arranged on the opposite surface of the two supporting rings (12) and the left end face and the right end face of the fixed ring (10) through a first pressure spring, a circular truncated cone-shaped through hole is formed in the inner cavity of the pressing cylinder (31), arc-shaped blocks (32) are uniformly and slidably matched with the inner wall of the through hole along the circumferential direction of the through hole, a plurality of arc-shaped blocks (32) form a complete circular truncated cone pipe structure, guide grooves are formed in the inner wall of the through hole along the inclined track of the through hole, T-shaped blocks (33) matched with the guide grooves are arranged on the arc-shaped blocks (32), sealing gaskets are arranged between the pressing cylinder (31) and the supporting rings (12) and between the pressing cylinder (31) and the fixed ring (10), a first pressing part (34) for pushing the pressing cylinders (31) at the two ends of the pressing cylinder is arranged on the second wave pipe (13), and an extrusion piece (35) for pushing the second pressing part (31) is arranged on the first wave pipe (11);

the first extrusion part (34) comprises a connecting pipe (340), a limiting rod (22) at the second wave tube (13) is sleeved with the connecting pipe (340), two connecting rods (341) are symmetrically arranged on the side wall, close to the axis of the second wave tube (13), of the connecting pipe (340), the two connecting rods (341) are rotationally connected through a pin shaft, a column body is rotationally arranged on one side, far away from each other, of the two connecting rods (341), a support plate (342) with a U-shaped groove is arranged on a pressing cylinder (31) at a position corresponding to the column body, the column body is clamped with the U-shaped groove of the support plate (342), a tension spring (343) is arranged between the connecting rod (341) and the connecting pipe (340), a vertical plate with a waist groove is arranged on the outer side wall of the connecting pipe (340), a pin shaft connected with the connecting rod (341) is in sliding fit with the waist groove, and the waist groove length of the waist groove of the first extrusion part (34) on the left side is larger than that of the waist groove of the first extrusion part (34) on the right side;

the extrusion piece (35) No. two include spacing pipe (350), all overlap on gag lever post (22) outer wall between two solid fixed rings (10) and be equipped with spacing pipe (350), a plurality of spacing pipe (350) divide into the multiunit, every group contains two spacing pipes (350), install link plate (351) between two spacing pipes (350) in every group, link plate (351) are close to one side rotation of wave tube (11) and are installed connecting rod (352), both ends of connecting rod (352) all articulate and have extrusion pole (353), be provided with No. two pressure spring (354) between extrusion pole (353) and connecting rod (352), one side rotation that extrusion pole (353) kept away from connecting rod (341) is installed the spliced pole, be provided with stopper (355) with the spliced pole one-to-one on pressure section of thick bamboo (31), set up the U groove with the spliced pole on stopper (355).

2. An anti-corrosion bellows compensator according to claim 1, characterized in that: the driving unit (4) comprises driving gears (40), the driving gears (40) meshed with the toothed rings (25) are rotatably mounted on opposite surfaces of the two fixed rings (10), the driving gears (40) are rotatably connected with the cover plates (21), rotating shafts (41) are arranged between the two driving gears (40), the rotating shafts (41) are rotatably matched with the fixed rings (10) and the cover plates (21), the driving gears (40) located on the right are in spline matching with the rotating shafts (41), stepping motors (42) fixedly connected with the rotating shafts (41) are arranged on the cover plates (21) located on the right, limiting grooves (43) are formed in the annular surface of the limiting rod (22), through holes for the limiting rod (22) to penetrate are formed in the fixed rings (10), protruding blocks matched with the limiting grooves (43) are arranged on the inner walls of the through holes, and limiting pieces (44) used for limiting the rotation of the rotating shafts (41) are arranged on the fixed rings (10).

3. An anti-corrosion bellows compensator according to claim 2, characterized in that: the limiting piece (44) comprises a locking column (440), a right end shaft head of the driving gear (40) located on the right side is provided with the locking column (440), the locking column (440) is in sliding fit with a spline part of the rotating shaft (41), a limiting sliding groove (441) is obliquely formed in the outer wall of the locking column (440) along the circumferential direction of the locking column, a limiting plate (442) is rotatably mounted on the outer side of the locking column (440), a roller (443) in sliding fit with the limiting sliding groove (441) is arranged on the limiting plate (442), and a fixing piece (45) for fixing the limiting plate (442) is arranged on one side, far away from the locking column (440), of the limiting plate (442).

4. A corrosion resistant bellows compensator according to claim 3, wherein: the fixing piece (45) comprises a T-shaped column (450), a through hole is formed in one side, far away from the locking column (440), of the limiting plate (442), a notch is formed in the inner wall of the through hole, the T-shaped column (450) is slidably installed in the through hole, an extension spring (451) is arranged between the vertical section of the T-shaped column (450) and the limiting plate (442), a rectangular block (452) matched with the notch is arranged on the horizontal section of the T-shaped column (450), and a limiting hole (453) matched with the horizontal section of the T-shaped column (450) is formed in the fixing ring (10).