CN117345975B - 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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- CN117345975B CN117345975B CN202311657953.0A CN202311657953A CN117345975B CN 117345975 B CN117345975 B CN 117345975B CN 202311657953 A CN202311657953 A CN 202311657953A CN 117345975 B CN117345975 B CN 117345975B
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- 230000000712 assembly Effects 0.000 claims abstract description 21
- 238000000429 assembly Methods 0.000 claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 32
- 230000007246 mechanism Effects 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 27
- 230000001050 lubricating effect Effects 0.000 claims description 10
- 238000005086 pumping Methods 0.000 claims description 8
- 230000001737 promoting effect Effects 0.000 claims description 2
- 238000011946 reduction process Methods 0.000 claims 1
- 238000005461 lubrication Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 230000008602 contraction Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
- F16L51/025—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with several corrugations
-
- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention belongs to the technical field of corrugated pipe compensators, and particularly relates to a corrugated pipe compensator with a built-in elastic connection structure, which comprises a compensator main body, wherein the compensator main body comprises two flange plates, the same corrugated pipe main body is fixedly arranged between the two flange plates, a plurality of buffer assemblies distributed in a circumferential array are connected between the two flange plates, each buffer assembly comprises a circular box, two telescopic parts with adjustable lengths are arranged on the circular box in a penetrating and sliding manner, and universal joints are connected between the two telescopic parts and the corresponding flange plates. According to the invention, the plurality of buffer assemblies can synchronously adjust the length, the lengths of some buffer assemblies can be adjusted in a targeted manner, the distance between two flanges can be adjusted, and meanwhile, the two flanges can be inclined at different angles, so that the device is ensured to be suitable for the fixed connection of two pipeline joints which are not coaxial and parallel to each other.
Description
Technical Field
The invention relates to the technical field of corrugated pipe compensators, in particular to a corrugated pipe compensator with an internal elastic connection structure.
Background
The corrugated compensator is a compensation element, and utilizes the effective expansion and contraction deformation of the corrugated pipe of the working main body to absorb the dimensional changes of the pipeline, the conduit and the container caused by expansion caused by heat, contraction caused by cold and the like or compensate the axial, transverse and angular displacement of the pipeline, the conduit and the container;
the ring flanges at the upper end and the lower end of the existing corrugated pipe are connected by using a screw rod, the screw rod provides support for the corrugated pipe, the corrugated pipe can only be subjected to length change and cannot be subjected to axial position change by using the screw rod, when two sections of pipeline joints are not in coaxial positions, the existing corrugated compensator cannot be connected, the practicability of the corrugated compensator is reduced, and under the condition, if the pipeline is subjected to axial or radial deflection due to vibration, the traditional corrugated compensator cannot buffer the vibration of the pipeline according to the condition, and therefore, the corrugated pipe compensator with the built-in elastic connection structure is provided.
Disclosure of Invention
The invention provides a corrugated pipe compensator with a built-in elastic connection structure, which aims to solve the defects in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a built-in elastic connection structure's bellows compensator, includes the compensator main part, the compensator main part includes two ring flanges, and fixed mounting has same bellows main part between two ring flanges, is connected with a plurality of buffer assemblies that are circumference array distribution between two ring flanges, buffer assemblies includes the circle case, run through slidable mounting on the circle case and have two extensible members of adjustable length, be connected with the universal joint between two extensible members and the corresponding ring flange, the cover is equipped with the circulation mechanism that is used for its internals of cooling on a plurality of circle cases, and a plurality of circle cases and circulation mechanism intussuseption are filled with cooling lubrication liquid, be equipped with the pumping mechanism that promotes cooling lubrication liquid at circulation mechanism and a plurality of circle incasement circulation at the damping in-process in the circle incasement.
Preferably, the inside fixed mounting of circle case has two rings, and the one end that two extensible members are close to each other is all fixed mounting has the piston board, the inner wall sliding connection of piston board and circle case, the one side that two piston boards are close to each other is all fixed mounting has the spring, and the one end that two springs are close to each other is respectively with corresponding ring fixed connection.
Preferably, the telescopic piece comprises a first round rod and a second round rod, the second round rod penetrates through the round box and is in sliding connection with the round box, one end of the second round rod located inside the round box is fixedly connected with the corresponding piston plate, one end of the first round rod away from the second round rod is fixedly connected with the corresponding universal joint, the first round rod and the second round rod are sleeved with the same threaded sleeve, and nuts are fixedly sleeved on the outer sides of the threaded sleeves.
Preferably, the first round rod and the second round rod are provided with external threads with opposite rotation directions, the inner wall of the threaded sleeve is provided with internal threads matched with the external threads of the first round rod and the second round rod, one end of the first round rod, which is close to the second round rod, is fixedly provided with a hexagonal prism, one side of the second round rod, which is close to the first round rod, is provided with a hexagonal groove, and the inner walls of the hexagonal prism and the hexagonal groove are in sliding connection.
Preferably, the pumping mechanism comprises a cylinder penetrating through the round box and fixedly connected with the round box, two hollow round frames are fixedly installed in the cylinder, the same rotating shaft is installed on the two hollow round frames in a penetrating and rotating mode, impellers are fixedly installed at two ends of the rotating shaft, the directions of the two impellers are the same, gears are fixedly sleeved on the outer sides of the rotating shaft, tooth columns are connected to the gears in a meshed mode, and one end of each tooth column is fixedly connected with one piston plate.
Preferably, two symmetrically distributed through holes are formed in the cylinder, the tooth column penetrates through one of the through holes, a plurality of round holes distributed at equal intervals are formed in the cylinder, and a plurality of oil channels distributed in a circumferential array are formed in the gear.
Preferably, the circulation mechanism comprises a plurality of annular sleeves fixedly sleeved on the outer sides of the plurality of round boxes, two circulation holes are formed in the annular sleeves and communicated through cylinders, telescopic pipes are fixedly installed in the two circulation holes, a liquid sac is arranged between every two adjacent annular sleeves, and the two telescopic pipes penetrate through the liquid sac and are communicated with the liquid sac.
Preferably, the outer side of the round box is fixedly sleeved with two positioning rings, and the annular sleeve positioned at the outer side of the round box is positioned between the two positioning rings and is fixedly connected with the two positioning rings.
Preferably, the universal joint comprises two shaft forks which are respectively and fixedly connected with the corresponding flange plate and the round rod, and the same cross shaft is rotatably arranged between the two shaft forks.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the plurality of buffer assemblies can synchronously adjust the length, the lengths of some buffer assemblies can be adjusted in a targeted manner, the distance between two flanges can be adjusted, and meanwhile, the two flanges can be inclined at different angles, so that the device is ensured to be suitable for the fixed connection of two pipeline joints which are not coaxial and are not parallel to each other;
2. when the pipeline vibrates in the use process, the two flanges can slow down the vibration received by the two pipelines in different axial directions and different radial directions by changing the inclination angle and the interval by matching with the expansion and contraction of the plurality of buffer components;
3. when a plurality of buffer assemblies appear stretching out and drawing back, the circulation that the cooling lubrication liquid in a plurality of buffer assemblies and the circulation mechanism can be the closed loop in the circulation mechanism for the cooling lubrication liquid in the circulation mechanism can enter into in the buffer assemblies, and in the buffer assemblies because the cooling lubrication liquid that the friction becomes hot can flow into the circulation mechanism, consequently, can guarantee that a plurality of buffer assemblies can not appear the condition of temperature too high when long-time reciprocal variable length shortens.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a bellows compensator with a built-in elastic connection structure according to the present invention;
FIG. 2 is a schematic diagram of a flow mechanism and a plurality of buffer components in a bellows compensator with an elastic connection structure;
FIG. 3 is a side cross-sectional view of a damper assembly in a bellows compensator incorporating an elastic connection structure in accordance with the present invention;
FIG. 4 is an enlarged schematic view of the portion A in FIG. 3;
FIG. 5 is an enlarged schematic view of the portion B of FIG. 3;
FIG. 6 is a schematic structural diagram of a circulation mechanism in a bellows compensator with a built-in elastic connection structure according to the present invention;
fig. 7 is a schematic structural diagram of a pumping mechanism in a bellows compensator with a built-in elastic connection structure according to the present invention.
In the figure: 1. a compensator body; 11. a flange plate; 12. a bellows body; 2. a flow-through mechanism; 21. an annular sleeve; 22. a flow hole; 23. a telescopic tube; 24. a fluid sac; 3. a buffer assembly; 31. a round box; 311. a positioning ring; 32. a piston plate; 33. a telescoping member; 331. a round rod I; 332. a round rod II; 333. a threaded sleeve; 334. a nut; 335. a hexagonal prism; 336. a six-edge groove; 34. a universal joint; 35. a circular ring; 36. a spring; 37. a pumping mechanism; 371. a cylinder; 3711. a round hole; 3712. a through port; 372. hollow round frames; 373. a rotating shaft; 374. an impeller; 375. a gear; 3751. an oil passage; 376. tooth column.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides a built-in elastic connection structure's bellows compensator, including compensator main part 1, compensator main part 1 includes two ring flanges 11, fixed mounting has same bellows main part 12 between two ring flanges 11, be connected with a plurality of buffer assemblies 3 that are circumference array distribution between two ring flanges 11, buffer assemblies 3 includes circle case 31, run through slidable mounting on the circle case 31 and have two extensible members 33 of adjustable length, be connected with universal joint 34 between two extensible members 33 and the corresponding ring flange 11, the cover is equipped with the circulation mechanism 2 that is used for cooling its internals on a plurality of circle cases 31, be equipped with the cooling lubrication fluid in a plurality of circle cases 31 and the circulation mechanism 2, be equipped with the pumping mechanism 37 that promotes the circulation of cooling lubrication fluid in circulation mechanism 2 and a plurality of circle cases 31 in the damping process in circle case 31.
Two rings 35 are fixedly arranged in the round box 31, piston plates 32 are fixedly arranged at the ends, close to each other, of the two telescopic pieces 33, the piston plates 32 are in sliding connection with the inner wall of the round box 31, springs 36 are fixedly arranged at the sides, close to each other, of the two piston plates 32, and the ends, close to each other, of the two springs 36 are fixedly connected with the corresponding rings 35 respectively.
The telescopic member 33 comprises a first round rod 331 and a second round rod 332, the second round rod 332 penetrates through the round box 31 and is in sliding connection with the round box 31, one end of the second round rod 332, which is positioned inside the round box 31, is fixedly connected with the corresponding piston plate 32, one end of the first round rod 331, which is far away from the second round rod 332, is fixedly connected with the corresponding universal joint 34, the first round rod 331 and the second round rod 332 are sleeved with the same threaded sleeve 333 in a threaded manner, and nuts 334 are fixedly sleeved on the outer sides of the threaded sleeves 333.
The round rod one 331 and the round rod two 332 are provided with external threads with opposite rotation directions, the inner wall of the threaded sleeve 333 is provided with internal threads matched with the external threads of the round rod one 331 and the round rod two 332, one end of the round rod one 331, which is close to the round rod two 332, is fixedly provided with a hexagonal prism 335, one side of the round rod two 332, which is close to the round rod one 331, is provided with a hexagonal prism groove 336, and the inner walls of the hexagonal prism 335 and the hexagonal prism groove 336 are in sliding connection.
The pumping mechanism 37 comprises a cylinder 371 which penetrates through the round box 31 and is fixedly connected with the round box 31, two hollow round frames 372 are fixedly arranged in the cylinder 371, the same rotating shaft 373 is rotatably arranged on the two hollow round frames 372 in a penetrating mode, impellers 374 are fixedly arranged at two ends of the rotating shaft 373, the two impellers 374 face the same direction, gears 375 are fixedly sleeved on the outer sides of the rotating shaft 373, tooth columns 376 are connected to the gears 375 in a meshed mode, and one end of each tooth column 376 is fixedly connected with one piston plate 32.
Further, since the two impellers 374 are oriented identically, one impeller 374 can provide a promoting effect and the other impeller 374 can provide a suppressing effect as the spacing between the two piston plates 32 is shortened or lengthened.
Two through holes 3712 which are symmetrically distributed are formed in the cylinder 371, the tooth column 376 penetrates through one of the through holes 3712, a plurality of round holes 3711 which are distributed at equal intervals are formed in the cylinder 371, and a plurality of oil passages 3751 which are distributed in a circumferential array are formed in the gear 375.
The circulation mechanism 2 comprises a plurality of annular sleeves 21 fixedly sleeved on the outer sides of a plurality of round boxes 31, two circulation holes 22 are formed in the annular sleeves 21, the two circulation holes 22 are communicated through a cylinder 371, telescopic tubes 23 are fixedly installed in the two circulation holes 22, a liquid sac 24 is arranged between every two adjacent annular sleeves 21, and the two telescopic tubes 23 penetrate through the liquid sac 24 and are communicated with the liquid sac 24.
Further, through setting up circulation mechanism 2 not only can make the circulation of the cooling lubrication liquid in a plurality of buffer modules 3 circulate, can increase the heat radiating area of cooling lubrication liquid through addding circulation mechanism 2 moreover, ensure a plurality of buffer modules 3 at the flexible in-process of long-time, can play the cooling effect to the part in the buffer modules 3.
The outer side of the round box 31 is fixedly sleeved with two positioning rings 311, and the annular sleeve 21 positioned at the outer side of the round box 31 is positioned between the two positioning rings 311 and fixedly connected with the two positioning rings 311.
Further, the two positioning rings 311 limit the position of the annular sleeve 21, so that the annular sleeve is ensured not to deviate during long-time use.
The universal joint 34 comprises two shaft forks which are fixedly connected with the corresponding flange plate 11 and the round rod 331 respectively, and a same cross shaft is rotatably arranged between the two shaft forks.
Further, the two shaft forks can rotate in multiple directions through the cross shaft, so that the two flange plates 11 are connected together through the universal joints 34 on the buffer assemblies 3, and therefore, the two flange plates 11 are inclined at different angles.
In this embodiment: when the two pipeline joints are not coaxial and the port planes are not parallel to each other, the distance between the two flanges 11 is equal to the distance between the two pipeline joints by adjusting the lengths of the two telescopic pieces 33 in each buffer assembly 3, and meanwhile, the telescopic pieces 33 are connected with the flanges 11 through the universal joints 34, so that the flanges 11 can be adjusted in multiple directions, and the two flanges 11 can be coaxially arranged with the two pipeline joints;
when the distance between the two pipeline joints changes due to expansion and contraction during the working process of the two pipelines, the distance between the two flanges 11 changes along with the displacement of the two pipelines, and when the two flanges 11 draw the two piston plates 32 in the round box 31 to synchronously approach or synchronously separate through the corresponding telescopic pieces 33, the two springs 36 are stretched or compressed during the process, and vibration received by the pipelines can be relieved through the stretching of the springs 36;
when the interval between the two piston plates 32 changes, the push-pull tooth column 376 drives the gear 375 to rotate, the rotation of the gear 375 drives the two impellers 374 to rotate through the rotating shaft 373, the impellers 374 can simultaneously push the cooling lubricating liquid which seeps into the cylinder 371 from the round box 31 into the corresponding telescopic pipe 23 and pump the cooling lubricating liquid in the telescopic pipe 23 on the other side into the round box 31, when the interval between the two piston plates 32 is shortened, the cooling lubricating liquid flowing out of the cylinder 371 will be more than the cooling lubricating liquid which is replenished into the cylinder 371, and when the interval between the two piston plates 32 is increased, the cooling lubricating liquid flowing out of the cylinder 371 will be less than the cooling lubricating liquid which is replenished into the cylinder 371;
and in the above process, when the interval between the two piston plates 32 is shortened, the cooling liquid in each of the round boxes 31 will be squeezed into the plurality of pockets 24, the pockets 24 will collect the squeezed cooling and lubrication liquid by expansion, when the interval between the two piston plates 32 is lengthened, the cooling and lubrication liquid in the plurality of pockets 24 will be pumped into the plurality of round boxes 31, the pockets 24 will compensate the squeezed cooling and lubrication liquid by contraction, and when the two expansion and contraction pieces 33 on the plurality of buffer assemblies 3 are expanded and contracted in different lengths, the interval between the two piston plates 32 in the part of buffer assemblies 3 is shortened, the interval between the two piston plates 32 in the part of buffer assemblies 3 is lengthened, the cooling and lubrication liquid in the round boxes 31 of the part of the shortened buffer assemblies 3 will be squeezed into the round boxes 31 of the other part of the extended buffer assemblies 3, and the plurality of pockets 24 are unchanged;
in the above process, the cooling and lubricating liquid circulates in a closed loop in the plurality of annular sleeves 21, the plurality of telescopic pipes 23 and the plurality of liquid bags 24, so that the cooling and lubricating liquid which is originally in the plurality of telescopic pipes 23 and the liquid bags 24 and has a low temperature enters the circular box 31 to cool each part in the circular box 31.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. Bellows compensator of built-in elastic connection structure, including compensator main part (1), its characterized in that: the compensator is characterized in that the compensator main body (1) comprises two flange plates (11), the same corrugated pipe main body (12) is fixedly arranged between the two flange plates (11), a plurality of buffer assemblies (3) distributed in a circumferential array are connected between the two flange plates (11), each buffer assembly (3) comprises a round box (31), two telescopic pieces (33) with adjustable length are arranged on the round box (31) in a penetrating and sliding mode, universal joints (34) are connected between the two telescopic pieces (33) and the corresponding flange plates (11), the same circulation mechanism (2) for cooling internal parts of the compensator is sleeved on the plurality of round boxes (31), cooling lubricating liquid is filled in the plurality of round boxes (31) and pumping mechanisms (37) for promoting the cooling lubricating liquid to flow in the circulation mechanism (2) and the plurality of round boxes (31) in the vibration reduction process are arranged in the round boxes (31);
two circular rings (35) are fixedly arranged in the circular box (31), piston plates (32) are fixedly arranged at the ends, close to each other, of the two telescopic pieces (33), the piston plates (32) are in sliding connection with the inner wall of the circular box (31), springs (36) are fixedly arranged at the sides, close to each other, of the two piston plates (32), and the ends, close to each other, of the two springs (36) are fixedly connected with the corresponding circular rings (35) respectively;
the telescopic piece (33) comprises a first round rod (331) and a second round rod (332), the second round rod (332) penetrates through the round box (31) and is in sliding connection with the round box (31), one end of the second round rod (332) positioned inside the round box (31) is fixedly connected with the corresponding piston plate (32), one end of the first round rod (331) away from the second round rod (332) is fixedly connected with the corresponding universal joint (34), the first round rod (331) and the second round rod (332) are sleeved with the same threaded sleeve (333) through threads, and a nut (334) is fixedly sleeved on the outer side of the threaded sleeve (333);
the novel round rod comprises a round rod I (331) and a round rod II (332), external threads opposite in rotation direction are arranged on the round rod I (331) and the round rod II (332), internal threads matched with the external threads on the round rod I (331) and the round rod II (332) are arranged on the inner wall of a threaded sleeve (333), a hexagonal prism (335) is fixedly arranged at one end, close to the round rod II (332), of the round rod I (331), a hexagonal groove (336) is formed in one side, close to the round rod I (331), of the round rod II (332), and the inner walls of the hexagonal prism (335) and the hexagonal groove (336) are in sliding connection.
2. The bellows compensator with built-in elastic connection structure according to claim 1, wherein: the pumping mechanism (37) comprises a cylinder (371) penetrating through a round box (31) and fixedly connected with the round box (31), two hollow round frames (372) are fixedly installed in the cylinder (371), the same rotating shaft (373) is installed on the two hollow round frames (372) in a penetrating mode, impellers (374) are fixedly installed at two ends of the rotating shaft (373), the two impellers (374) are identical in orientation, gears (375) are fixedly sleeved on the outer sides of the rotating shaft (373), tooth columns (376) are connected to the gears (375) in a meshed mode, and one end of each tooth column (376) is fixedly connected with one piston plate (32).
3. A bellows compensator with built-in elastic connection structure according to claim 2, wherein: two symmetrically distributed through holes (3712) are formed in the cylinder (371), the tooth column (376) penetrates through one of the through holes (3712), a plurality of round holes (3711) which are distributed at equal intervals are formed in the cylinder (371), and a plurality of oil ducts (3751) which are distributed in a circumferential array are formed in the gear (375).
4. A bellows compensator with built-in elastic connection structure according to claim 2, wherein: the circulation mechanism (2) comprises a plurality of annular sleeves (21) fixedly sleeved on the outer sides of a plurality of round boxes (31), two circulation holes (22) are formed in the annular sleeves (21), the two circulation holes (22) are communicated through a cylinder (371), telescopic pipes (23) are fixedly installed in the two circulation holes (22), a liquid sac (24) is arranged between every two adjacent annular sleeves (21), and the two telescopic pipes (23) penetrate through the liquid sac (24) and are communicated with the liquid sac (24).
5. The bellows compensator with built-in elastic connection according to claim 4, wherein: the circular box (31) is fixedly sleeved with two positioning rings (311), and the annular sleeve (21) positioned on the outer side of the circular box (31) is positioned between the two positioning rings (311) and fixedly connected with the two positioning rings (311).
6. The bellows compensator with built-in elastic connection structure according to claim 1, wherein: the universal joint (34) comprises two shaft forks which are respectively and fixedly connected with the corresponding flange plate (11) and the round rod I (331), and the same cross shaft is rotatably arranged between the two shaft forks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311657953.0A CN117345975B (en) | 2023-12-06 | 2023-12-06 | Corrugated pipe compensator with built-in elastic connection structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311657953.0A CN117345975B (en) | 2023-12-06 | 2023-12-06 | Corrugated pipe compensator with built-in elastic connection structure |
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| CN117345975A CN117345975A (en) | 2024-01-05 |
| CN117345975B true CN117345975B (en) | 2024-02-02 |
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| CN202311657953.0A Active CN117345975B (en) | 2023-12-06 | 2023-12-06 | Corrugated pipe compensator with built-in elastic connection structure |
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| CN118293303B (en) * | 2024-06-06 | 2024-09-03 | 江苏同方机械制造有限公司 | Self-adaptive adjustment pipeline compensator |
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| CN113513650A (en) * | 2021-06-01 | 2021-10-19 | 中建二局安装工程有限公司 | Construction method of heating and ventilation pipeline with large compensation amount |
| CN218468511U (en) * | 2022-10-20 | 2023-02-10 | 无锡中策波纹管有限公司 | Corrugated pipe compensator with strong compression-resistant structure |
| CN219606419U (en) * | 2023-05-06 | 2023-08-29 | 江苏宏博机械制造有限公司 | Anticorrosive bellows compensator |
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| CN117345975A (en) | 2024-01-05 |
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