CN112302795A - Nonmetal expansion joint of air intake system for gas turbine - Google Patents
Nonmetal expansion joint of air intake system for gas turbine Download PDFInfo
- Publication number
- CN112302795A CN112302795A CN202011258797.7A CN202011258797A CN112302795A CN 112302795 A CN112302795 A CN 112302795A CN 202011258797 A CN202011258797 A CN 202011258797A CN 112302795 A CN112302795 A CN 112302795A
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- Prior art keywords
- expansion joint
- ring
- connecting ring
- corrugated pipe
- air intake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052755 nonmetal Inorganic materials 0.000 title claims description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 15
- 238000002485 combustion reaction Methods 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 10
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention provides a non-metallic expansion joint of an air inlet system for a gas turbine, which relates to the technical field of non-metallic expansion joints and comprises a corrugated pipe, wherein two ends of the corrugated pipe are both connected with end cylinders, one end of each end cylinder, which is far away from the corrugated pipe, is connected with a connecting ring plate, a guide rod penetrates between the two connecting ring plates, an outer protective ring is fixed on the outer wall of each connecting ring plate, one side, which is close to the corrugated pipe, of each connecting ring plate is connected with an outer tooth round block through a bearing, a bolt is clamped in the outer tooth round block, the end part of the bolt extends to one side, which is far away from the corrugated pipe, of each connecting ring plate, the non-metallic expansion joint of the air inlet system for the gas turbine can control the rotation of all the bolts through rotating the outer tooth ring, the synchronous screwing operation is realized, the installation efficiency of the expansion joint is effectively improved, and the problem that a single bolt and a nut are, the sealing performance of the connection is better.
Description
Technical Field
The invention relates to the technical field of non-metallic expansion joints, in particular to a non-metallic expansion joint of an air inlet system for a gas turbine.
Background
The gas turbine is an internal combustion type power machine which takes continuously flowing gas as a working medium to drive an impeller to rotate at high speed and converts the energy of fuel into useful work, and is a rotary impeller type heat engine, when the gas turbine is used for air suction and combustion, tiny particle impurities in air need to be filtered to ensure the sufficient combustion of the fuel in the gas turbine, an air inlet system is generally needed to be matched for use, a series of filtering devices of the air inlet system are used for removing liquid drops, dust, pollen and suspended particles in the air, clean air meeting the requirements is provided for the gas turbine, effective and reliable protection is provided for compressor blades in the normal operation process, an expansion joint needs to be additionally arranged on a container shell or a pipeline in the air inlet system to compensate additional stress caused by temperature difference and mechanical vibration, but the expansion joint is fixedly installed through a plurality of bolts and needs to be independently screwed and fixed, the installation efficiency is low, and simultaneously the deformation position of nonmetal expansion joint is easy because of the material local inflation that ages, and the durability is not good.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a nonmetal expansion joint of an air inlet system for a gas turbine, which solves the problems of low installation efficiency of the expansion joint, easy local expansion when materials are aged and poor durability.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a nonmetal expansion joint of air intake system for gas turbine, includes the bellows, the both ends of bellows all are connected with an end section of thick bamboo, the one end that an end section of thick bamboo kept away from the bellows is connected with the connecting ring board, two run through between the connecting ring board has the guide arm, the outer wall of connecting ring board is fixed with outer retaining ring, one side that the connecting ring board is close to the bellows is connected with outer tooth circle piece through the bearing, the inside joint of outer tooth circle piece has the bolt, and the tip of bolt extends to the one side that the connecting ring board kept away from the bellows, the lateral wall movable mounting of connecting ring board has the outer ring gear with outer tooth circle piece meshing, the lateral wall of connecting ring board just is located the peripheral movable mounting of outer ring gear and has the sleeve, and the inside of sleeve runs through has mobilizable lever, the one end that outer ring gear was kept away from to the lever extends to the outside of outer retaining ring gear, the connecting ring plate is characterized in that a connecting ring is arranged on one side, away from the corrugated pipe, of the connecting ring plate, a hexagonal clamping groove corresponding to the bolt is formed in one side, close to the corrugated pipe, of the connecting ring, and a nut is clamped inside the hexagonal clamping groove.
Furthermore, the outer wall of the corrugated pipe between the end cylinders is wrapped with annular band-shaped stabilizing rings which are distributed at intervals, the stabilizing rings are sleeved on the periphery of the corrugated pipe, pressure can be uniformly applied to the bed bottom all around, and damage caused by local over-expansion due to material aging is avoided.
Furthermore, the end barrel and the stabilizing ring and the adjacent stabilizing rings are movably connected with connecting rods, the connecting rods surround the periphery of the corrugated pipe and connect the stabilizing rings with the end barrel, the overall connection effect of the corrugated pipe can be improved, and the service life of the expansion joint is prolonged.
Furthermore, the coupling ring is composed of two movable half rings, a box buckle structure is arranged at the combining position of one side, far away from the end barrel, of the two half rings for fixing, the expandable coupling ring is convenient to sleeve the expandable coupling ring outside a pipeline connected with the expansion joint, nuts and bolts are convenient to align quickly, and installation efficiency is improved.
Further, the through-hole with nut looks adaptation is seted up to the inside of hexagonal draw-in groove, can directly stretch out from through-hole department when the tip of bolt runs through the nut, helps guaranteeing nut and bolted connection's compactness, improves the fixed effect of expansion joint.
Furthermore, the magnetic sheet is inlaid in the hexagonal clamping groove, the magnetic sheet can attract and fix the nut on the connecting ring, and the phenomenon that the nut falls off to influence the installation efficiency when the connecting ring is moved is avoided.
Furthermore, two handles are arranged on one side of the coupling ring away from the end barrel and are arranged oppositely, and the handles provide a gripping fulcrum for controlling the displacement of the coupling ring, so that the coupling ring is convenient to move.
Furthermore, the one end that the lever is close to outer ring gear is equipped with the piece of stirring with outer ring gear looks adaptation, stirs the tip of piece and the latch looks adaptation of outer ring gear, the handle is installed to the one end that the lever kept away from outer retaining ring, conveniently carries out the gripping application of force to the lever.
(III) advantageous effects
The invention provides a non-metal expansion joint of an air inlet system for a combustion engine. The method has the following beneficial effects:
1. this nonmetal expansion joint of air intake system for combustion engine through the rotation of rotatory outer ring gear steerable all bolts, realizes the operation of screwing up in step, the effectual installation effectiveness that improves the expansion joint, has also avoided single bolt and nut to connect simultaneously and has tightly led to keeping away from the junction of its one side and produce the gap, and the leakproofness of connection is better.
2. This nonmetal expansion joint of air intake system for gas turbine drives the rotation of outer ring gear through the lever to required application of force intensity when the mode of increase moment reduces outer ring gear and rotates, and the labour saving is convenient, and the practicality is better.
3. This nonmetal expansion joint of air intake system for gas turbine establishes the peripheral cover of bellows through firm ring, can be with pressure even to bed end all around, avoids the material ageing to lead to local excessive expansion to cause the damage, and the connecting rod centers on the periphery of bellows and is connected firm ring and end section of thick bamboo, can improve the monolithic connection effect to the bellows, prolongs the life of this expansion joint.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic structural view of the external gear ring and the external gear round block of the present invention when they are connected;
FIG. 3 is a schematic view of the structure of the coupling ring of the present invention.
In the figure: the device comprises a corrugated pipe 1, an end cylinder 2, a connecting ring plate 3, a guide rod 4, an outer protective ring 5, an outer tooth round block 6, a bolt 7, an outer tooth ring 8, a sleeve 9, a lever 10, a connecting ring 11, a hexagonal clamping groove 12, a nut 13, a stabilizing ring 14 and a connecting rod 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a nonmetal expansion joint of an air inlet system for a combustion engine, which comprises a corrugated pipe 1, wherein two ends of the corrugated pipe 1 are both connected with end cylinders 2, one end of each end cylinder 2, which is far away from the corrugated pipe 1, is connected with a connecting ring plate 3, a guide rod 4 penetrates through between the two connecting ring plates 3, the outer wall of each connecting ring plate 3 is fixedly provided with an outer protective ring 5, one side of each connecting ring plate 3, which is close to the corrugated pipe 1, is connected with an outer tooth round block 6 through a bearing, the inner part of each outer tooth round block 6 is clamped with a bolt 7, the end part of each bolt 7 extends to one side of each connecting ring plate 3, which is far away from the corrugated pipe 1, the side wall of each connecting ring plate 3 is movably provided with an outer tooth ring 8 meshed with the outer tooth round block 6, the side wall of each connecting ring plate 3, which is positioned at the periphery of the outer tooth ring 8, is movably provided with a sleeve 9, a movable lever 10, one end of the lever 10 close to the outer toothed ring 8 is provided with a toggle block matched with the outer toothed ring 8, the end part of the toggle block is matched with a latch of the outer toothed ring 8, one end of the lever 10 far away from the outer protective ring 5 is provided with a handle, the lever 10 is convenient to grasp and apply force, the side wall of the outer protective ring 5 is provided with a through groove matched with the lever 10, one side of the connecting ring plate 3 far away from the corrugated pipe 1 is provided with a connecting ring 11, the connecting ring 11 is composed of two movable half rings, the merging position of one side of the two half rings far away from the end barrel 2 is provided with a box buckle structure for fixing, one side of the connecting ring 11 far away from the end barrel 2 is provided with two handles which are arranged oppositely, the handles provide a grasping fulcrum for controlling the displacement of the connecting ring 11 and are convenient to move, the openable connecting ring 11 is convenient to be sleeved outside a pipeline connected with an expansion joint, a nut 13 and a bolt 7 are convenient to, the side of the connecting ring 11 close to the corrugated pipe 1 is provided with a hexagonal clamping groove 12 corresponding to the bolt 7, a nut 13 is clamped inside the hexagonal clamping groove 12, the device is arranged between two pipelines to be connected during installation, after the bolt 7 penetrates through a flange of the pipeline to be connected, the connecting ring 11 is opened to be sleeved on the periphery of the pipeline to be connected, the connecting ring 11 is fixed through a box buckle structure, the connecting ring 11 is close to the bolt 7 and the nut 13 is close to the abutting bolt 7, the control lever 10 reciprocates up and down to drive the outer toothed ring 8 and the outer toothed circular block 6 meshed with the outer toothed ring to rotate, so that the bolt 7 can rotate to drive the nut 13 to move towards the connecting ring plate 3, and finally the installation of the expansion joint is completed, the operation is simple and convenient, the bolt and the nut do not need to be screwed independently, the installation efficiency of the expansion joint is effectively improved, and the gap generated at the joint of the single bolt 7 and the nut 13 which are connected and over, the sealing performance of the connection is better, a through hole matched with the nut 13 is formed in the hexagonal clamping groove 12, the end part of the bolt 7 can directly extend out of the through hole when penetrating through the nut 13, the tightness of the connection of the nut 13 and the bolt 7 is ensured, the fixing effect of the expansion joint is improved, a magnetic sheet is embedded in the hexagonal clamping groove 12, the nut 13 can be attracted and fixed on the connecting ring 11 by the magnetic sheet, the situation that the nut 13 falls off when the connecting ring 11 is moved to influence the installation efficiency is avoided, the outer wall of the corrugated pipe 1 between the end cylinders 2 is coated with annular stabilizing rings 14, the stabilizing rings 14 are distributed at intervals, the periphery of the corrugated pipe 1 is sleeved by the stabilizing rings 14, the pressure can be uniformly distributed to the bed bottom at the periphery, the situation that the local excessive expansion is caused by the aging of materials is avoided, connecting rods 15 are movably connected between the end cylinders 2 and the stabilizing rings 14 and between the adjacent stabilizing rings 14, the connecting rods 15 surround the periphery of the corrugated pipe, the integral connection effect of the corrugated pipe 1 can be improved, and the service life of the expansion joint is prolonged.
The working principle is as follows: when the device is used, the device is arranged between two pipelines to be connected, after the bolts 7 penetrate through flanges of the pipelines to be connected, the connecting rings 11 are expanded to be sleeved on the peripheries of the pipelines to be connected, the connecting rings 11 are fixed through the box buckle structure, the connecting rings 11 are close to the bolts 7, the nuts 13 are close to the abutting bolts 7, the control lever 10 reciprocates up and down to drive the outer gear ring 8 and the outer gear blocks 6 meshed with the outer gear ring to rotate, the bolts 7 can continuously rotate to drive the nuts 13 to move towards the side of the connecting ring plate 3, and finally, the expansion joint is installed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a nonmetal expansion joint of air intake system for combustion engine, includes bellows (1), the both ends of bellows (1) all are connected with an end section of thick bamboo (2), the one end that bellows (1) were kept away from in an end section of thick bamboo (2) is connected with link plate (3), two it has guide arm (4), its characterized in that to run through between link plate (3): the outer wall of the connecting ring plate (3) is fixed with an outer retaining ring (5), one side of the connecting ring plate (3) close to the corrugated pipe (1) is connected with an outer tooth round block (6) through a bearing, a bolt (7) is clamped inside the outer tooth round block (6), the end part of the bolt (7) extends to one side of the connecting ring plate (3) far away from the corrugated pipe (1), an outer tooth ring (8) meshed with the outer tooth round block (6) is movably arranged on the side wall of the connecting ring plate (3), a sleeve (9) is movably arranged on the side wall of the connecting ring plate (3) and positioned on the periphery of the outer tooth ring (8), a movable lever (10) penetrates through the sleeve (9), one end of the lever (10) far away from the outer tooth ring (8) extends to the outside of the outer retaining ring (5), a through groove matched with the lever (10) is formed in the side wall of the outer retaining ring (5), one side of the connecting ring plate (3) far away from the corrugated pipe (1) is provided with a connecting ring (11), one side of the connecting ring (11) close to the corrugated pipe (1) is provided with a hexagonal clamping groove (12) corresponding to the bolt (7), and a nut (13) is clamped inside the hexagonal clamping groove (12).
2. The non-metallic expansion joint of an air intake system for a combustion engine according to claim 1, wherein: the outer wall of the corrugated pipe (1) between the end barrels (2) is wrapped with annular band-shaped stabilizing rings (14), and the stabilizing rings (14) are distributed at intervals.
3. The non-metallic expansion joint of an air intake system for a combustion engine according to claim 2, wherein: connecting rods (15) are movably connected between the end barrel (2) and the stabilizing ring (14) and between the adjacent stabilizing rings (14).
4. The non-metallic expansion joint of an air intake system for a combustion engine according to claim 1, wherein: the connecting ring (11) is composed of two movable half rings, and a box buckle structure is arranged at the combining position of one side of the two half rings, which is far away from the end cylinder (2), for fixing.
5. The non-metallic expansion joint of an air intake system for a combustion engine according to claim 1, wherein: and a through hole matched with the nut (13) is formed in the hexagonal clamping groove (12).
6. The non-metallic expansion joint of an air intake system for a combustion engine according to claim 1, wherein: magnetic sheets are embedded in the hexagonal clamping grooves (12).
7. The non-metallic expansion joint of an air intake system for a combustion engine according to claim 1, wherein: two handles are arranged on one side of the coupling ring (11) far away from the end barrel (2), and the handles are arranged oppositely.
8. The non-metallic expansion joint of an air intake system for a combustion engine according to claim 1, wherein: one end of the lever (10) close to the outer toothed ring (8) is provided with a poking block matched with the outer toothed ring (8), and one end of the lever (10) far away from the outer protective ring (5) is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011258797.7A CN112302795A (en) | 2020-11-12 | 2020-11-12 | Nonmetal expansion joint of air intake system for gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011258797.7A CN112302795A (en) | 2020-11-12 | 2020-11-12 | Nonmetal expansion joint of air intake system for gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112302795A true CN112302795A (en) | 2021-02-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011258797.7A Pending CN112302795A (en) | 2020-11-12 | 2020-11-12 | Nonmetal expansion joint of air intake system for gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112302795A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291275A (en) * | 2021-12-20 | 2022-04-08 | 航天神舟飞行器有限公司 | Unmanned aerial vehicle engine heat management flexible connection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277623A (en) * | 2013-06-06 | 2013-09-04 | 江苏鑫晟波纹管有限公司 | Stainless steel bellow expansion joint for boats |
| CN204716314U (en) * | 2015-04-16 | 2015-10-21 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | A kind of linkage structure and be provided with the gas turbine of this linkage structure |
| CN205579010U (en) * | 2016-03-13 | 2016-09-14 | 江苏晨光波纹管有限公司 | Stifled warning expansion joint is prevented on line to high pressure circulation trachea |
| CN206693260U (en) * | 2017-03-29 | 2017-12-01 | 江苏巨鑫石油钢管有限公司 | Blower fan outer platform for single-pile foundation |
| CN208670413U (en) * | 2018-08-21 | 2019-03-29 | 江苏誉扬机械设备有限公司 | A kind of high pressure compensation device |
| CN211082603U (en) * | 2019-12-14 | 2020-07-24 | 深圳市科创捷自动化精密设备有限公司 | Self-service tensioning cover mechanism |
-
2020
- 2020-11-12 CN CN202011258797.7A patent/CN112302795A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277623A (en) * | 2013-06-06 | 2013-09-04 | 江苏鑫晟波纹管有限公司 | Stainless steel bellow expansion joint for boats |
| CN204716314U (en) * | 2015-04-16 | 2015-10-21 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | A kind of linkage structure and be provided with the gas turbine of this linkage structure |
| CN205579010U (en) * | 2016-03-13 | 2016-09-14 | 江苏晨光波纹管有限公司 | Stifled warning expansion joint is prevented on line to high pressure circulation trachea |
| CN206693260U (en) * | 2017-03-29 | 2017-12-01 | 江苏巨鑫石油钢管有限公司 | Blower fan outer platform for single-pile foundation |
| CN208670413U (en) * | 2018-08-21 | 2019-03-29 | 江苏誉扬机械设备有限公司 | A kind of high pressure compensation device |
| CN211082603U (en) * | 2019-12-14 | 2020-07-24 | 深圳市科创捷自动化精密设备有限公司 | Self-service tensioning cover mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291275A (en) * | 2021-12-20 | 2022-04-08 | 航天神舟飞行器有限公司 | Unmanned aerial vehicle engine heat management flexible connection device |
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Address after: 214000 Industrial Park, Yangjian Town, Xishan District, Wuxi City, Jiangsu Province Applicant after: Jiangsu Huanan New Energy Technology Co.,Ltd. Address before: 214000 Industrial Park, Yangjian Town, Xishan District, Wuxi City, Jiangsu Province Applicant before: WUXI HUANAN STEEL STRUCTURE ENVIRONMENTAL Co.,Ltd. |
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Application publication date: 20210202 |
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