CN114484130A - Pipeline compensator based on torsion spring - Google Patents
Pipeline compensator based on torsion spring Download PDFInfo
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- CN114484130A CN114484130A CN202210062182.XA CN202210062182A CN114484130A CN 114484130 A CN114484130 A CN 114484130A CN 202210062182 A CN202210062182 A CN 202210062182A CN 114484130 A CN114484130 A CN 114484130A
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- 238000007789 sealing Methods 0.000 claims abstract description 82
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000001050 lubricating effect Effects 0.000 claims description 9
- 229910001369 Brass Inorganic materials 0.000 claims description 7
- 239000010951 brass Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 235000014676 Phragmites communis Nutrition 0.000 abstract description 10
- 230000035945 sensitivity Effects 0.000 description 7
- 238000013016 damping Methods 0.000 description 6
- 244000273256 Phragmites communis Species 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a pipeline compensator based on a torsional reed, which comprises: the other end of the inside of the supporting outer frame is coaxially connected with the floating pipe through a floating supporting assembly; the fixed pipe is movably connected with the floating pipe through a floating sealing mechanism; the floating support assembly comprises an elastic adjusting ring, N first elastic connecting pieces are arranged in an inner annular array of the elastic adjusting ring, and pushing grooves are formed in the first elastic connecting pieces; the floating support assembly also comprises a guide support ring, and N swing ball blocks are arranged on the guide support ring in an annular array; the support device also comprises a rear end pushing ring, second elastic connecting sheets which are annularly arranged in array in the rear end pushing ring, and a support sleeve is fixed in the middle of each second elastic connecting sheet; the floating support assembly further comprises N push rods, the tail ends of the push rods are fixed to the support sleeve, the middle parts of the push rods are sleeved in the swinging ball block, and the front ends of the push rods are of spherical structures and are pressed to the bottom of the pushing groove.
Description
Technical Field
The invention relates to a pipeline compensator based on a torsion reed, and belongs to the field of pipeline compensators.
Background
The floating type pipeline connector in the prior art mainly adopts the distortion of a corrugated pipe to realize floating connection, and the sensitivity and the pressure resistance of the whole connector completely depend on the material of the corrugated pipe; for the use situation that the length limit of the pipeline end joint is high, if a short corrugated pipe is adopted, the length of uniformly distributed load is small, so that the bending resistance is high, and the sensitivity of the corrugated pipe in the radial direction is low; therefore, the floating compensation performance of the bellows type compensation structure of the pipeline end joint is poor, and the bellows type compensation structure cannot adapt to some use scenes with high jitter frequency and high sensitivity requirement.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the technical problem in the prior art is solved, and a pipeline compensator based on a torsional reed is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a torsional reed-based pipe compensator comprising:
the other end of the inside of the supporting outer frame is coaxially connected with the floating pipe through a floating supporting assembly; the fixed pipe is movably connected with the floating pipe through a floating sealing mechanism;
the floating support assembly comprises an elastic force adjusting ring, a guide ring which is in sliding connection with the inner wall of the support outer frame is coaxially arranged on the inner wall of the support outer frame, a first floating groove with the inner diameter larger than the outer diameter of the elastic force adjusting ring is arranged on the inner ring of the guide ring, the outer ring of the elastic force adjusting ring is in sliding contact with the side wall of the first floating groove, and the inner ring of the elastic force adjusting ring is fixedly connected with the outer wall of the floating pipe; n first elastic connecting sheets are arranged between the outer ring and the inner ring of the elastic adjusting ring in an annular array mode, the first elastic connecting sheets are arc-shaped, the arc-shaped circle centers of the first elastic connecting sheets are coaxially arranged on the elastic adjusting ring, pushing grooves arranged along the arc-shaped path of the first elastic connecting sheets are formed in the first elastic connecting sheets, and two end portions of each first elastic connecting sheet are connected to the outer ring and the inner ring of the elastic adjusting ring through connecting blocks; the floating support assembly further comprises a guide support ring, an inner floating support ring is sleeved on the periphery of the floating pipe in a sliding mode, an annular second floating groove is formed in the outer ring of the inner floating support ring, the inner diameter of the second floating groove is smaller than that of the inner floating support ring, an outer floating support ring is fixed on the inner wall of the support outer frame, an annular third floating groove is formed in the inner ring of the outer floating support ring, and the outer diameter of the third floating groove is larger than that of the inner floating support ring; n swing ball grooves with two ends opened at two side surfaces of the guide support ring are arranged on the guide support ring in an annular array manner, a swing ball block is connected in the swing ball grooves in a swing manner, and a sliding sleeve is coaxially and fixedly connected in the middle of the swing ball block; the floating support assembly further comprises a rear end pushing ring, the outer ring of the rear end pushing ring is rotatably connected with the inner wall of the support outer frame, a floating gap is formed between the inner ring of the rear end pushing ring and the outer wall of the floating pipe, N second elastic connecting pieces which are arranged in an annular array are arranged between the outer ring and the inner ring of the rear end pushing ring, and a support sleeve is fixed in the middle of each second elastic connecting piece; the floating support assembly also comprises N push rods, the tail ends of the push rods are fixed in the support sleeve, the middle parts of the push rods are sleeved in the sliding sleeve, and the front ends of the push rods are of spherical structures and are pressed to the bottom of the push groove under the push of the second elastic connecting sheet;
the floating sealing mechanism comprises a sealing extension sleeve fixed at the end part of the floating pipe, an annular sealing connecting sleeve is coaxially fixed at the end part of the sealing extension sleeve, a plurality of annular floating sealing grooves are linearly arranged on the inner wall of the sealing connecting sleeve in an array manner, and an annular sealing sheet is connected in the floating sealing grooves in a sliding and sealing manner; the tip lateral wall of fixed pipe is provided with the recess that floats of fourth, floating seal mechanism still cup joints in the sealed sliding sleeve of the recess inner wall that floats of fourth including sliding, linear array is provided with a plurality of scarf grooves on the outer wall of sealed sliding sleeve, the inner circle of gasket is embedded into in the scarf groove.
As a further improvement of the invention, the support outer frame comprises a front end connecting ring, a front sealing plate is coaxially fixed at the front end of the front end connecting ring, the periphery of the front sealing plate is fixedly connected with the front end connecting ring, and the fixing pipe is fixed in the middle of the front sealing plate; the rear end of the front sealing plate is connected with a middle backing ring, the inner wall of the middle backing ring is coaxially fixed with an annular sliding ring, and the outer ring of the guide ring is in sliding contact with the sliding ring; a middle connecting ring is coaxially fixed at the rear end of the middle cushion ring, an extension ring is coaxially connected at the rear end of the middle connecting ring, and the outer floating support ring is coaxially fixed on the inner ring of the extension ring; the rear end of the extension ring is coaxially connected with a rear backing ring; the front sealing plate, the front end connecting ring, the middle backing ring, the middle connecting ring, the extension ring and the rear backing ring are mutually fixed through a plurality of fixing bolts arranged in an annular array; the support frame adopts a plurality of links structure combinations of array arrangement to form, very big installation and the maintenance of each inside component of support frame of having made things convenient for moreover makes each component also can follow the welded fastening who supports the frame relatively and change into the bolt fastening.
As a further improvement of the invention, the rear end of the supporting outer frame is coaxially and rotatably connected with a pushing disc, one side of the pushing disc is provided with an embedding groove, and the outer ring of the rear end pushing ring is fixed on the annular side wall of the embedding groove; a plurality of driving teeth are arranged on the periphery of the pushing disc in an annular array mode, a stepping motor is arranged outside the supporting outer frame, and driving teeth meshed with the driving teeth are coaxially fixed at the rotating end of the stepping motor; the stepping motor can remotely adjust the elastic sensitivity of the structure.
As a further improvement of the invention, a sealing sleeve made of sea surface material is coaxially fixed in the middle of the pushing disc, and an annular sealing ring is coaxially arranged at the tail end of the floating tube; the sealing sleeve and the sealing ring made of sponge materials can guarantee the sealing of the internal damping structure, prevent fouling and ensure the normal rotation of the mechanism.
As a further improvement of the invention, a plurality of brass sealing rings are arranged on the sealing connection sleeve in a linear array manner, and the floating sealing groove is arranged in each sealing ring; the sealing piece is also made of brass; the sealing ring and the sealing sheet are made of brass, so that the sliding friction force is lower, and the sealing effect is better.
As a further improvement of the invention, a supporting seat made of nylon is sleeved on the connecting block; the supporting seat can reduce the local shearing force of the connecting position of the connecting block, and the possibility of breakage of the connecting position is reduced.
As a further improvement of the invention, the second elastic connecting piece is of an arc structure concentric with the rear end pushing ring, and two end parts of the second elastic connecting piece are fixedly connected with the outer ring and the inner ring of the rear end pushing ring respectively through extending pieces of an integral structure; the second elastic connecting piece of the arc-shaped structure has a longer size and a larger elastic floating interval.
As a further improvement of the invention, a round support sheet is integrally arranged in the middle of the second elastic connecting sheet, a support sleeve is riveted on the support sheet, the tail end of the push rod is fixedly connected with an inner hole of the support sleeve through threads, and a self-locking nut pressed to the end part of the support sleeve is also connected on the push rod through threads; support and adjust fixedly through the screw thread between cover and the push rod, the accuracy of adjustment is promoted to the dynamics that compresses tightly of regulation push rod that can be convenient.
As a further improvement of the invention, the tail end of the fixed pipe is provided with an annular step pipe, the fourth floating groove is positioned at the bottom surface of the step, the outer wall of the step pipe is coaxially fixed with a copper lubricating sleeve, the sealing sliding sleeve is in sliding connection with the lubricating sleeve, and the end part of the step pipe of the fixed pipe is fixed with a limit ring through threads; the lubricating sleeve structure can improve the floating sealing degree and the sliding sensitivity of the whole sealing connection structure, and the detachable limiting ring also facilitates the detachment and installation of the sealing sliding sleeve.
The invention has the beneficial effects that:
the invention realizes the energy absorption and shock absorption of axial floating by two groups of coaxially arranged reeds and arranging the push rod between the reeds through the elastic floating between the reeds, has higher sensitivity compared with the traditional corrugated pipe structure, and simultaneously changes the relative position of the end part of the push rod on the first elastic connecting sheet by utilizing the integral rotation of the push rod, thereby changing the moment of the push rod relative to the first elastic connecting sheet to change the elastic resistance of the reeds and realizing the adjustment of the sensitivity; in addition, the radial floating shock absorption of the pipeline is realized by utilizing the torsion of the elastic arm on the back end reed.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of a spring force adjustment ring;
FIG. 3 is a schematic view of a guide support ring;
FIG. 4 is a schematic view of a rear end push ring;
fig. 5 is a schematic view of a floating seal mechanism.
In the figure: 1. a front end connecting ring; 2. a middle backing ring; 3. a middle connecting ring; 4. an extension ring; 5. a rear grommet; 6. a front sealing plate; 7. fixing the bolt; 8. a slip ring; 9. a guide ring; 10. a first floating tank; 11. an elastic force adjusting ring; 12. a connecting flange; 13. an outer ring of the elastic adjusting ring; 14. an inner ring of the elastic adjusting ring; 15. a first elastic connecting piece; 16. pushing the groove; 17. connecting blocks; 18. a supporting seat; 19. an outer floating support ring; 20. a third floating groove; 21. a guide support ring; 22. a swinging ball groove; 23. a swinging ball block; 24. a sliding sleeve; 25. an outer ring of the guide support ring; 26. an inner ring of the guide support ring; 27. a connecting arm; 28. an inner floating support ring; 29. a second floating groove; 30. a sliding bush; 31. a rear end push ring; 32. a support sleeve; 33. a self-locking nut; 34. a push rod; 35. the rear end pushes the outer ring of the ring; 36. the back end pushes the inner ring of the ring; 37. a second elastic connecting sheet; 38. an extension piece; 39. a support sheet; 40. a support sleeve; 41. pushing the disc; 42. sealing sleeves; 43. a stepping motor; 44. a driving tooth; 45. a drive tooth; 46. a seal ring; 47. a seal extension sleeve; 48. sealing the connecting sleeve; 49. a seal ring; 50. a floating seal groove; 51. sealing the sliding sleeve; 52. embedding grooves; 53. a lubricating sleeve; 54. fixing the inner tube of the tube; 55. an outer sleeve; 56. a limiting ring; 57. a floating pipe.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Referring to fig. 1, the present invention is directed to a torsional reed-based pipe compensator, as shown in fig. 1, comprising:
the other end of the inside of the supporting outer frame is coaxially connected with the floating pipe through a floating supporting assembly; the fixed pipe is movably connected with the floating pipe through a floating sealing mechanism;
as shown in fig. 2, the floating support assembly includes an elastic force adjusting ring, a guide ring which is coaxially arranged on the inner wall of the support outer frame and is slidably connected with the inner wall of the support outer frame, a first floating groove which has an inner diameter larger than the outer diameter of the elastic force adjusting ring is arranged on the inner ring of the guide ring, the outer ring of the elastic force adjusting ring is in sliding contact with the side wall of the first floating groove, and the inner ring of the elastic force adjusting ring is fixedly connected with the outer wall of the floating pipe through an annular connecting flange which is integrally fixed on the outer side of the floating pipe; the elastic adjusting ring comprises an elastic adjusting ring, an inner ring and an outer ring, wherein 4 first elastic connecting sheets are arranged between the outer ring and the inner ring of the elastic adjusting ring in an annular array mode, each first elastic connecting sheet is arc-shaped, the arc-shaped circle center of each first elastic connecting sheet is coaxially arranged on the elastic adjusting ring, pushing grooves arranged along the arc-shaped path of each first elastic connecting sheet are formed in the first elastic connecting sheets, two end parts of each first elastic connecting sheet are connected to the outer ring and the inner ring of the elastic adjusting ring through connecting blocks, and supporting seats made of nylon materials are sleeved on the connecting blocks;
as shown in fig. 3, the floating support assembly further includes a guiding support ring, an inner floating support ring is slidably sleeved on the periphery of the floating pipe, a sliding bush for making sliding contact with the floating pipe is coaxially fixed on the inner ring of the inner floating support ring, an annular second floating groove is arranged on the outer ring of the inner floating support ring, the inner diameter of the second floating groove is smaller than the inner diameter of the inner floating support ring, an outer floating support ring is fixed on the inner wall of the support outer frame, an annular third floating groove is arranged on the inner ring of the outer floating support ring, and the outer diameter of the third floating groove is larger than the outer diameter of the inner floating support ring; the guide support ring is provided with 4 swinging ball grooves with two ends opened at two side surfaces of the guide support ring in an annular array, a swinging ball block is connected in the swinging ball grooves in a swinging manner, and the middle part of the swinging ball block is coaxially and fixedly connected with a sliding sleeve;
as shown in fig. 4, the floating support assembly further includes a rear-end push ring, an outer ring of the rear-end push ring is rotatably connected with an inner wall of the support outer frame, a floating gap is provided between an inner ring of the rear-end push ring and an outer wall of the floating pipe, 4 second elastic connecting pieces are arranged between the outer ring and the inner ring of the rear-end push ring in an annular array, the second elastic connecting pieces are of an arc structure concentric with the rear-end push ring, two end portions of the second elastic connecting pieces are respectively fixedly connected with the outer ring and the inner ring of the rear-end push ring through extending pieces of an integral structure, a circular supporting piece is integrally arranged in the middle of the second elastic connecting pieces, a support sleeve is riveted on the supporting piece, and a support sleeve is fixed in the middle of the second elastic connecting piece; the floating support assembly also comprises 4 push rods, the tail ends of the push rods are fixed on the support sleeve through threads, the push rods are also connected with a self-locking nut which is pressed to the end part of the support sleeve through threads, the middle parts of the push rods are sleeved in the sliding sleeve, and the front ends of the push rods are of spherical structures and are pressed to the bottom of the push groove under the push of the second elastic connecting sheet;
as shown in fig. 1 and 5, the floating seal mechanism includes a seal extension sleeve fixed at the end of the floating pipe, an annular seal connection sleeve is coaxially fixed at the end of the seal extension sleeve, a plurality of annular floating seal grooves are linearly arranged on the inner wall of the seal connection sleeve in an array manner, and an annular sealing sheet is connected in the floating seal groove in a sliding and sealing manner; the fixed pipe comprises a fixed pipe inner pipe, an outer sleeve pipe with the diameter larger than that of the fixed pipe inner pipe is arranged at the front end of the fixed pipe inner pipe, the front end of the outer sleeve pipe is fixedly connected with the front end part of the fixed pipe inner pipe through a connecting flange ring, a limiting ring is coaxially fixed at the rear end part of the fixed pipe inner pipe through threads, a fourth floating groove is arranged on the surface of the fixed pipe inner pipe corresponding to the position between the limiting ring and the outer sleeve pipe, a lubricating sleeve made of copper is sleeved on the surface of the fourth floating groove, the floating sealing mechanism further comprises a sealing sliding sleeve which is sleeved on the inner wall of the fourth floating groove in a sliding mode, the sealing sliding sleeve is connected with the lubricating sleeve in a sliding mode, a plurality of embedding grooves are formed in the outer wall of the sealing sliding sleeve in a linear array mode, a plurality of sealing rings made of brass are arranged on the sealing connecting linear sleeve in an array mode, and a floating sealing groove is coaxially arranged on the inner ring; the gasket also is the brass material, the gasket inner circle is embedded into the scarf joint inslot.
As shown in fig. 1, further, the support outer frame is formed by a split structure, the support outer frame includes a front end connection ring, a front sealing plate is coaxially fixed at the front end of the front end connection ring, the periphery of the front sealing plate is fixedly connected with the front end connection ring, and the outer sleeve of the fixing tube is fixed in the middle of the front sealing plate; the rear end of the front sealing plate is connected with a middle backing ring, an annular sliding ring is coaxially fixed on the inner wall of the middle backing ring, and the outer ring of the guide ring is in sliding contact with the sliding ring; the rear end of the middle cushion ring is coaxially fixed with a middle connecting ring, the rear end of the middle connecting ring is coaxially connected with an extension ring, and the outer floating supporting ring is coaxially fixed on the extension ring inner ring; the rear end of the extension ring is coaxially connected with a rear backing ring; the front sealing plate, the front end connecting ring, the middle backing ring, the middle connecting ring, the extension ring and the rear backing ring are mutually fixed through a plurality of fixing bolts arranged in an annular array.
As shown in fig. 1, further, a pushing disc is coaxially and rotatably connected to the rear end of the supporting outer frame, an embedding groove is formed in one side of the pushing disc, and an outer ring of the rear-end pushing ring is fixed on an annular side wall of the embedding groove; a plurality of driving teeth are arranged on the periphery of the pushing disc in an annular array mode, a stepping motor is arranged outside the supporting outer frame, and driving teeth meshed with the driving teeth are coaxially fixed at the rotating end of the stepping motor; a sealing sleeve made of sea surface materials is coaxially fixed in the middle of the pushing disc, and an annular sealing ring is coaxially arranged at the tail end of the floating pipe.
When the structure is used, firstly, the pipeline at one end is fixed to the end part of the outer sleeve, then the pipeline at the other end is fixed to the end part of the floating pipe, and meanwhile, the whole supporting outer frame or the front section connecting ring can be connected to the surface of a building through the floating platform to carry out local support;
when the mechanism floats, in order to ensure that the front end connecting ring freely floats relative to the fixed pipe and is relatively static relative to the floating pipe, the inner ring of the front end connecting ring is fixed on the floating pipe, in order to ensure that the outer ring of the front end connecting ring cannot be distorted due to extrusion of the push rod and ensure the normal work of the first elastic connecting sheet, the outer ring of the whole front end connecting ring is embedded into the guide ring, annular limiting is carried out through a first floating groove in the guide ring, meanwhile, the guide ring can freely axially float relative to the front end connecting ring, and the outer ring of the front end connecting ring can freely radially float in the first floating groove, so that the free floating of the outer ring of the front end connecting ring is ensured, and the free movement of the floating pipe is ensured; the guide support ring at the rear end can limit the swing range of the push rod, and meanwhile, the sliding bush which is arranged in parallel with the axis of the connecting ring at the front end can ensure that the whole floating pipe cannot swing with a fixed shaft, ensure the conversion of transverse and longitudinal floating force and limit and support the swing of the push rod; the rear end pushing ring at the tail end is synchronously connected to the rear backing ring at the rear end of the front end connecting ring through a group of rotating mechanisms, so that the synchronous static of the rear end pushing ring and the fixing ring is ensured; the floating seal and the axial floating seal form axial floating seal through the axial sliding of the sealing sliding sleeve relative to the lubricating sleeve on the fixed pipe inner pipe, and the sealing piece embedded in the sealing sliding sleeve and the sliding seal of the sealing piece and the floating seal grooves arranged in an array ensure the sealing effect during radial floating;
when vibration needs to be absorbed, because the pipelines at two ends float relatively, the front end connecting ring is fixed relative to the floating tube in a stationary mode, the rear end pushing ring is fixed relative to the fixed tube in a stationary mode through the whole supporting outer frame, elastic pre-tightening on the push rod is achieved through twisting of the first elastic connecting piece on the front end connecting ring and the second elastic connecting piece on the rear end pushing ring, namely the relative elastic pre-tightening of the floating ring and the fixed ring, if the floating tube floats, when the floating tube floats, for the movement in the radial direction, the floating tube can push the elastic adjusting ring to float radially relative to the guide ring, when the guide ring floats radially, the pushing groove of the guide ring can drive one end of the push rod to move, when one end of the push rod moves, the middle of the push rod can swing relative to the fixed shaft of the swinging ball block in the guide supporting ring, and the other end of the push rod can push the supporting sleeve to move radially relative to the rear end pushing ring, namely, the supporting sleeve is pushed to drive the second elastic connecting piece to bend in the radial direction, the second elastic connecting piece can damp radial floating through bending, and meanwhile, when the push rod swings in a fixed shaft mode, the other end of the push rod can extrude the first elastic connecting piece to be twisted, and damping is achieved; secondly, axial floating is adopted, and when the damping device floats axially, the front end connecting ring and the rear end pushing ring can move axially oppositely or back to back, so that the first elastic connecting sheet and the second elastic connecting sheet can be bent, and axial damping is realized; when the adjustment is needed, the driving teeth and the driving teeth are driven by the stepping motor to drive the pushing disc to rotate at a fixed angle, the pushing disc synchronously drives the rear end pushing ring to rotate, and when the supporting sleeve rotates, the supporting sleeve is vertically fixed on the rear end pushing ring by default, therefore, the push rod can rotate relative to the axis of the support frame along with the rotation of the rear end push ring in the default state, after the rotation, the end part of the push rod can move relative to the pushing groove in the first elastic connecting sheet, after the end part of the push rod moves, the twisting moment of the first elastic connecting sheet at the position of the end part of the push rod can change, so as to change the reaction force of the first elastic connecting sheet on the push rod when the end part of the push rod is twisted, and further change the floating, the first elastic connecting piece realizes the adjustment of the threshold value of the floating starting force and the damping curve of the mechanism on the surface with the floating damping effect.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. A pipeline compensator based on torsion springs is characterized by comprising:
the other end of the inside of the supporting outer frame is coaxially connected with the floating pipe through a floating supporting assembly; the fixed pipe is movably connected with the floating pipe through a floating sealing mechanism;
the floating support assembly comprises an elastic force adjusting ring, a guide ring which is in sliding connection with the inner wall of the support outer frame is coaxially arranged on the inner wall of the support outer frame, a first floating groove with the inner diameter larger than the outer diameter of the elastic force adjusting ring is arranged on the inner ring of the guide ring, the outer ring of the elastic force adjusting ring is in sliding contact with the side wall of the first floating groove, and the inner ring of the elastic force adjusting ring is fixedly connected with the outer wall of the floating pipe; n first elastic connecting sheets are arranged between the outer ring and the inner ring of the elastic adjusting ring in an annular array mode, the first elastic connecting sheets are arc-shaped, the arc-shaped circle centers of the first elastic connecting sheets are coaxially arranged on the elastic adjusting ring, pushing grooves arranged along the arc-shaped path of the first elastic connecting sheets are formed in the first elastic connecting sheets, and two end portions of each first elastic connecting sheet are connected to the outer ring and the inner ring of the elastic adjusting ring through connecting blocks; the floating support assembly further comprises a guide support ring, an inner floating support ring is sleeved on the periphery of the floating pipe in a sliding mode, an annular second floating groove is formed in the outer ring of the inner floating support ring, the inner diameter of the second floating groove is smaller than that of the inner floating support ring, an outer floating support ring is fixed on the inner wall of the support outer frame, an annular third floating groove is formed in the inner ring of the outer floating support ring, and the outer diameter of the third floating groove is larger than that of the inner floating support ring; the guide support ring is provided with N swing ball grooves with two ends opened at two side surfaces of the guide support ring in an annular array manner, a swing ball block is connected in the swing ball grooves in a swing manner, and the middle part of the swing ball block is coaxially and fixedly connected with a sliding sleeve; the floating support assembly further comprises a rear end pushing ring, the outer ring of the rear end pushing ring is rotatably connected with the inner wall of the support outer frame, a floating gap is formed between the inner ring of the rear end pushing ring and the outer wall of the floating pipe, N second elastic connecting pieces which are arranged in an annular array are arranged between the outer ring and the inner ring of the rear end pushing ring, and a support sleeve is fixed in the middle of each second elastic connecting piece; the floating support assembly also comprises N push rods, the tail ends of the push rods are fixed in the support sleeve, the middle parts of the push rods are sleeved in the sliding sleeve, and the front ends of the push rods are of spherical structures and are pressed to the bottom of the push groove under the push of the second elastic connecting sheet;
the floating sealing mechanism comprises a sealing extension sleeve fixed at the end part of the floating pipe, an annular sealing connecting sleeve is coaxially fixed at the end part of the sealing extension sleeve, a plurality of annular floating sealing grooves are linearly arranged on the inner wall of the sealing connecting sleeve in an array manner, and annular sealing sheets are connected in the floating sealing grooves in a sliding sealing manner; the tip lateral wall of fixed pipe is provided with the recess that floats of fourth, floating seal mechanism still cup joints in the sealed sliding sleeve of the recess inner wall that floats of fourth including sliding, linear array is provided with a plurality of scarf grooves on the outer wall of sealed sliding sleeve, the inner circle of gasket is embedded into in the scarf groove.
2. A torsional spring-based pipe compensator as set forth in claim 1, wherein: the supporting outer frame comprises a front end connecting ring, a front sealing plate is coaxially fixed at the front end of the front end connecting ring, the periphery of the front sealing plate is fixedly connected with the front end connecting ring, and the fixing pipe is fixed in the middle of the front sealing plate; the rear end of the front sealing plate is connected with a middle backing ring, the inner wall of the middle backing ring is coaxially fixed with an annular sliding ring, and the outer ring of the guide ring is in sliding contact with the sliding ring; a middle connecting ring is coaxially fixed at the rear end of the middle cushion ring, an extension ring is coaxially connected at the rear end of the middle connecting ring, and the outer floating support ring is coaxially fixed on the inner ring of the extension ring; the rear end of the extension ring is coaxially connected with a rear backing ring; the front sealing plate, the front end connecting ring, the middle backing ring, the middle connecting ring, the extension ring and the rear backing ring are mutually fixed through a plurality of fixing bolts arranged in an annular array.
3. A torsional spring-based pipe compensator as set forth in claim 1, wherein: the rear end of the supporting outer frame is coaxially and rotatably connected with a pushing disc, one side of the pushing disc is provided with an embedding groove, and the outer ring of the rear-end pushing ring is fixed on the annular side wall of the embedding groove; the periphery of the pushing disc is provided with a plurality of driving teeth in an annular array mode, a stepping motor is arranged outside the supporting outer frame, and driving teeth meshed with the driving teeth are coaxially fixed at the rotating end of the stepping motor.
4. A torsional spring-based pipe compensator as set forth in claim 1, wherein: a sealing sleeve made of sea surface materials is coaxially fixed in the middle of the pushing disc, and an annular sealing ring is coaxially arranged at the tail end of the floating pipe.
5. A torsional spring-based pipe compensator as set forth in claim 1, wherein: a plurality of brass sealing rings are arranged on the sealing connection sleeve in a linear array manner, and the floating sealing groove is arranged in each sealing ring; the sealing piece is also made of brass.
6. A torsional spring-based pipe compensator as set forth in claim 1, wherein: the connecting block is sleeved with a supporting seat made of nylon.
7. A torsional spring-based pipe compensator as set forth in claim 1, wherein: the second elastic connecting piece is of an arc structure concentric with the rear end pushing ring, and two end parts of the second elastic connecting piece are fixedly connected with the outer ring and the inner ring of the rear end pushing ring through extending pieces of an integrated structure respectively.
8. A torsional spring-based pipe compensator as set forth in claim 1, wherein: a circular supporting sheet is integrally arranged in the middle of the second elastic connecting sheet, a supporting sleeve is riveted on the supporting sheet, the tail end of the push rod is fixedly connected with an inner hole of the supporting sleeve through threads, and a self-locking nut which is tightly pressed to the end part of the supporting sleeve is further connected to the push rod through threads.
9. A torsional spring-based pipe compensator as set forth in claim 1, wherein: the tail end of the fixed pipe is provided with an annular step pipe, the fourth floating groove is located on the bottom surface of the step, a copper lubricating sleeve is coaxially fixed on the outer wall of the step pipe, the sealing sliding sleeve is in sliding connection with the lubricating sleeve, and a limiting ring is fixed at the end part of the step pipe of the fixed pipe through threads.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210062182.XA CN114484130B (en) | 2022-01-20 | 2022-01-20 | Pipeline compensator based on torsion reed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210062182.XA CN114484130B (en) | 2022-01-20 | 2022-01-20 | Pipeline compensator based on torsion reed |
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| CN114484130A true CN114484130A (en) | 2022-05-13 |
| CN114484130B CN114484130B (en) | 2022-10-25 |
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| JP2009221958A (en) * | 2008-03-17 | 2009-10-01 | Toyota Motor Corp | Pipe joint for exhaust pipe |
| CN201866459U (en) * | 2010-11-10 | 2011-06-15 | 河南省电力勘测设计院 | Novel rubber compensator for reducing lateral thrust |
| WO2014124810A1 (en) * | 2013-02-13 | 2014-08-21 | Siemens Aktiengesellschaft | Compensator arrangement |
| CN212273391U (en) * | 2020-06-06 | 2021-01-01 | 泰州市梦之谷科技发展有限公司 | Novel bent pipe pressure balance type compensator |
| CN112247550A (en) * | 2020-11-11 | 2021-01-22 | 常州嘉业智能装备科技有限公司 | Centering adjustment equipment for pipeline installation |
| CN215335125U (en) * | 2021-02-23 | 2021-12-28 | 江苏航天管业科技有限公司 | Metal sleeve type pipeline compensator |
-
2022
- 2022-01-20 CN CN202210062182.XA patent/CN114484130B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009221958A (en) * | 2008-03-17 | 2009-10-01 | Toyota Motor Corp | Pipe joint for exhaust pipe |
| CN201866459U (en) * | 2010-11-10 | 2011-06-15 | 河南省电力勘测设计院 | Novel rubber compensator for reducing lateral thrust |
| WO2014124810A1 (en) * | 2013-02-13 | 2014-08-21 | Siemens Aktiengesellschaft | Compensator arrangement |
| CN212273391U (en) * | 2020-06-06 | 2021-01-01 | 泰州市梦之谷科技发展有限公司 | Novel bent pipe pressure balance type compensator |
| CN112247550A (en) * | 2020-11-11 | 2021-01-22 | 常州嘉业智能装备科技有限公司 | Centering adjustment equipment for pipeline installation |
| CN215335125U (en) * | 2021-02-23 | 2021-12-28 | 江苏航天管业科技有限公司 | Metal sleeve type pipeline compensator |
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| Publication number | Publication date |
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| CN114484130B (en) | 2022-10-25 |
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Denomination of invention: A pipeline compensator based on torsion spring Granted publication date: 20221025 Pledgee: Bank of Jiangsu Co.,Ltd. Taizhou Branch Pledgor: JIANGSU CHENGUANG CORRUGATED PIPE CO.,LTD. Registration number: Y2024980005690 |