CN104832715A - Large damping support used for pipeline vibration damping - Google Patents

Large damping support used for pipeline vibration damping Download PDF

Info

Publication number
CN104832715A
CN104832715A CN201510272382.8A CN201510272382A CN104832715A CN 104832715 A CN104832715 A CN 104832715A CN 201510272382 A CN201510272382 A CN 201510272382A CN 104832715 A CN104832715 A CN 104832715A
Authority
CN
China
Prior art keywords
clamp
pipe
pipe clamp
memory alloy
fixing clamp
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.)
Granted
Application number
CN201510272382.8A
Other languages
Chinese (zh)
Other versions
CN104832715B (en
Inventor
柳勇
刘洲洋
张克龙
胡大炜
林原胜
白凡
戴春辉
代路
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
719th Research Institute of CSIC
Original Assignee
719th Research Institute of CSIC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 719th Research Institute of CSIC filed Critical 719th Research Institute of CSIC
Priority to CN201510272382.8A priority Critical patent/CN104832715B/en
Publication of CN104832715A publication Critical patent/CN104832715A/en
Application granted granted Critical
Publication of CN104832715B publication Critical patent/CN104832715B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/08Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
    • F16L3/10Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
    • F16L3/1091Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with two members, the two members being fixed to each other with fastening members on each side

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Supports For Pipes And Cables (AREA)

Abstract

The invention discloses a large damping support used for pipeline vibration damping and relates to the field of pipeline vibration damping. The vibration damping support comprises a support frame, a first pipe clamp and a second pipe clamp, the first pipe clamp and the second pipe clamp are arranged oppositely and fixedly connected with the support frame after a space containing a pipeline is formed, a first fixing clamp and a second fixing clamp are arranged between the first pipe clamp and the second pipe clamp, the first fixing clamp is movably connected to the inner side of the first pipe clamp, the first fixing clamp is matched with the first pipe clamp in shape, the second fixing clamp is movably connected to the inner side of the second pipe clamp, and the second fixing clamp is matched with the second pipe clamp in shape; multiple first memory alloy pipes are arranged between the first fixing clamp and the first pipe clamp, multiple second memory alloy pipes are arranged between the second fixing clamp and the second pipe clamp, and the first memory alloy pipes and the second memory alloy pipes are all made of shape memory alloy. By means of the large damping support, the vibration of the pipeline can be alleviated, and the service life of the pipeline can be prolonged.

Description

A kind of large dampening bracket for pipe vibration-damping
Technical field
The present invention relates to pipe vibration-damping field, be specifically related to a kind of large dampening bracket for pipe vibration-damping.
Background technique
Pipeline is the common components in industrial system, the power such as air compressor, water pump being arranged connection, undertake sucking and carrying fluid of task, because the suction port of pipeline and delivery outlet exist certain pressure difference, all there are some errors being difficult to avoid in the quality of air compressor and water pump and mechanical package, when fluid flows in pipeline, because the temperature difference can produce certain local compression, when there is bubble in fluid, the proper flow of fluid can be affected, thus make pipeline produce vibration and noise.When vibration occurs pipeline, can destroy the structure of its inside, cause shorten the working life of pipeline, meanwhile, the noise that pipe vibration produces pollutes the environment.
In order to avoid pipeline because vibration is damaged, usually supporting frame is set outside pipeline, and rubber material is set between pipeline and supporting frame, because the damping of rubber material is less, and and be rigid contact between supporting frame, be difficult to the vibration suppressing pipeline by a relatively large margin; When pipeline is used for hot environment, rubber material meeting creep deliquescing, cause leaving certain space between pipeline and supporting frame, when vibration occurs pipeline, supporting frame can not be played a supporting role, and accelerates the damage of pipeline.
Summary of the invention
For the defect existed in prior art, the object of the present invention is to provide a kind of large dampening bracket for pipe vibration-damping, the vibration of pipeline can be alleviated, extend the working life of pipeline, reduce the user cost of pipeline.
For reaching above object, the technological scheme that the present invention takes is: a kind of large dampening bracket for pipe vibration-damping, comprise supporting frame, first pipe clamp and the second pipe clamp, described first pipe clamp and the second pipe clamp are oppositely arranged, after forming the space holding pipeline, be fixedly connected with supporting frame, the first fixing clamp and the second fixing clamp is provided with between described first pipe clamp and the second pipe clamp, described first fixing clamp is movably connected on the inner side of the first pipe clamp, the shape of described first fixing clamp and the mating shapes of the first pipe clamp, described second fixing clamp is movably connected on the inner side of the second pipe clamp, the shape of described second fixing clamp and the mating shapes of the second pipe clamp,
Some first memory alloy pipes are provided with between described first fixing clamp and the first pipe clamp, be provided with some second memory alloy pipes between described second fixing clamp and the second pipe clamp, described first memory alloy pipes and the second memory alloy pipes all adopt marmem to make.
On the basis of technique scheme, leave buffer gap between described first pipe clamp and the first fixing clamp, described first memory alloy pipes is positioned at buffer gap; Leave buffer gap between described second pipe clamp and the second fixing clamp, described second memory alloy pipes is positioned at buffer gap.
On the basis of technique scheme, the outside of described first fixing clamp has some the first mounting grooves for placing the first memory alloy pipes, and the outside of described second fixing clamp has some the second mounting grooves for placing the second memory alloy pipes.
On the basis of technique scheme, described some first memory alloy pipes are all arranged along the radial direction of the first fixing clamp, and described some second memory alloy pipes are all arranged along the radial direction of the second fixing clamp.
On the basis of technique scheme, the arranged outside of described first fixing clamp has the first stationary axle, and described first pipe clamp has the first mounting hole with the corresponding part of the first stationary axle, and described first pipe clamp is fixedly fastened by the first stationary axle and first; The arranged outside of described second fixing clamp has the second stationary axle, and described second pipe clamp has the second mounting hole with the corresponding part of the second stationary axle, and described second pipe clamp is fixedly fastened by the second stationary axle and second.
On the basis of technique scheme, the aperture of described first mounting hole is greater than the diameter of the first stationary axle, and the aperture of described second mounting hole is greater than the diameter of the second stationary axle.
On the basis of technique scheme, the inside of all first memory alloy pipes and the second memory alloy pipes is all filled with damping material.
On the basis of technique scheme, described damping material is the grains of sand, metal damping silk or clay.
On the basis of technique scheme, support frame as described above is connected part with the first pipe clamp and is provided with cushion block.
Compared with prior art, the invention has the advantages that:
(1) the large dampening bracket for pipe vibration-damping of the present invention comprises the first memory alloy pipes and the second memory alloy pipes, first memory alloy pipes and the second memory alloy pipes all adopt marmem to make, when marmem is subject to External Force Acting, deformation can be there is, external force can return to the original form after disappearing.Therefore, when pipeline vibrated or impact force time, the first memory alloy pipes and the second memory alloy pipes can first deform, the vibration that buffering pipe is subject to and impact, and then recover original shape, and pipeline is back into origin-location; Memory metal shape memory alloy has phase transformation hysteresis process energy absorption ability simultaneously, can the vibration that is subject to of extraction duct or impact force, namely the first memory alloy pipes and the second memory alloy pipes are in the repetitive process of distortion-recovery, the stressed of pipeline can be eliminated, the structure of pipe interior is avoided to be destroyed, the life-span of pipeline can be extended, reduce the user cost of pipeline.
(2) the large dampening bracket for pipe vibration-damping of the present invention, all damping material is filled with in first memory alloy pipes and the second memory alloy pipes, damping material has mobility, the first memory alloy pipes of correspondence or the second memory alloy pipes vibrated or impacted produce distortion time, the damping material of its deformation place inside is squeezed and flows to other places in pipe, ability can be converted into heat dissipation by the friction between damping material self and tube wall, reaches the object of energy-absorbing.
(3) the large dampening bracket for pipe vibration-damping of the present invention, the aperture of the first mounting hole is greater than the diameter of the first stationary axle, the aperture of the second mounting hole is greater than the diameter of the second stationary axle, while making the first fixing clamp (or second fixing clamp) be subject to certain position limitation, axial, radial, circumferential movement to a certain degree and rotation can be carried out relative to the first pipe clamp (or second fixing clamp).When pipe vibration in first fixing clamp and the second fixing clamp is excessive, moving and rotation to a certain degree can be there is in pipeline relative to the first pipe clamp or the second pipe clamp, prevent from being rigidly connected cause the first pipe clamp or the second pipe clamp moment of torsion excessive, the first pipe clamp or the second pipe clamp are damaged.
Accompanying drawing explanation
Fig. 1 is the structural representation for the large dampening bracket of pipe vibration-damping in the embodiment of the present invention;
Fig. 2 is the structural representation that in the embodiment of the present invention, the first fixing clamp coordinates with the first memory alloy pipes;
Fig. 3 is the structural representation of the first fixing clamp in the embodiment of the present invention.
In figure: 1-first pipe clamp, 2-first fixing clamp, 3-cushion block, 4-second pipe clamp, 5-second memory alloy pipes, 6-supporting frame, 7-first memory alloy pipes, 8-pipeline, 9-second fixing clamp, 10-damping material, 11-first stationary axle, 12-first mounting groove.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Shown in Figure 1, the embodiment of the present invention provides a kind of large dampening bracket for pipeline 8 vibration damping, comprise supporting frame 6, first pipe clamp 1 and the second pipe clamp 4, first pipe clamp 1 and the second pipe clamp 4 are oppositely arranged, formed hold pipeline 8 space after, be fixedly connected with supporting frame 6 (can be bolted or weld), supporting frame 6 is connected part with the first pipe clamp 1 and is provided with cushion block 3, cushion block 3 can cushion the rigidity impulse force between the first pipe clamp 1 and supporting frame 6, and supporting frame 6 is fixed in ground or other structures.
The first fixing clamp 2 and the second fixing clamp 9 is provided with between first pipe clamp 1 and the second pipe clamp 4, first fixing clamp 2 is movably connected on the inner side of the first pipe clamp 1, the shape of the first fixing clamp 2 and the mating shapes of the first pipe clamp 1, second fixing clamp 9 is movably connected on the inner side of the second pipe clamp 4, the shape of the second fixing clamp 9 and the mating shapes of the second pipe clamp 4.
The arranged outside of the first fixing clamp 2 has the first stationary axle 11, first pipe clamp 1 to have the first mounting hole with the corresponding part of the first stationary axle 11, and the first pipe clamp 1 is fixedly fastened by the first stationary axle 11 and first; Buffer gap is left between first pipe clamp 1 and the first fixing clamp 2, buffer gap is left between second pipe clamp 4 and the second fixing clamp 9, the arranged outside of the second fixing clamp 9 has the second stationary axle, second pipe clamp 4 has the second mounting hole with the corresponding part of the second stationary axle, and the second pipe clamp 4 is fixedly fastened by the second stationary axle and second.
The aperture of the first mounting hole is greater than the diameter of the first stationary axle 11, the aperture of the second mounting hole is greater than the diameter of the second stationary axle, while making the first fixing clamp 2 (or second fixing clamp 9) be subject to certain position limitation, axial, radial, circumferential movement to a certain degree and rotation can be carried out relative to the first pipe clamp 1 (or second fixing clamp 9).When pipeline 8 in first fixing clamp 2 and the second fixing clamp 9 vibrates excessive, moving and rotation to a certain degree can be there is in pipeline 8 relative to the first pipe clamp 1 or the second pipe clamp 4, prevent from being rigidly connected cause the first pipe clamp 1 or the second pipe clamp 4 moment of torsion excessive, the first pipe clamp 1 or the second pipe clamp 4 are damaged.
Shown in Figure 2, the outside of the first fixing clamp 2 radially has some first mounting grooves 12, is provided with the buffer gap that first memory alloy pipes 7, first memory alloy pipes 7 is positioned at the first pipe clamp 1 and the first fixing clamp 2 in each first mounting groove 12; The outside of the second fixing clamp 9 radially has some second mounting grooves, is provided with the buffer gap that second memory alloy pipes 5, second memory alloy pipes 5 is positioned at the second pipe clamp 4 and the second fixing clamp 9 in each second mounting groove; The inside of all first memory alloy pipes 7 and the second memory alloy pipes 5 is all filled with damping material 10, and damping material 10 is the grains of sand, metal damping silk or clay, but is not limited to these materials.
First memory alloy pipes 7 and the second memory alloy pipes 5 all adopt marmem to make, and when marmem is subject to External Force Acting, deformation can occur, and external force can return to the original form after disappearing.Therefore, when pipeline 8 vibrated or impact force time, the first memory alloy pipes 7 and the second memory alloy pipes 5 can first deform, the vibration that buffering pipe 8 is subject to and impact, and then recover original shape, and pipeline 8 is back into origin-location; Memory metal shape memory alloy has phase transformation hysteresis process energy absorption ability simultaneously, can the vibration that is subject to of extraction duct 8 or impact force, namely the first memory alloy pipes 7 and the second memory alloy pipes 5 are in the repetitive process of distortion-recovery, the stressed of pipeline 8 can be eliminated, the structure of pipeline 8 inside is avoided to be destroyed, the life-span of pipeline 8 can be extended, reduce the user cost of pipeline 8.
Damping material 10 has mobility, the first memory alloy pipes 7 of correspondence or the second memory alloy pipes 5 vibrated or impacted produce distortion time, the damping material 10 of its deformation place inside is squeezed and flows to other places in pipe, ability can be converted into heat dissipation by the friction between damping material 10 self and tube wall, reaches the object of energy-absorbing.
The present invention is not limited to above-mentioned mode of execution, and for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as within protection scope of the present invention.The content be not described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.

Claims (9)

1. the large dampening bracket for pipe vibration-damping, comprise supporting frame (6), first pipe clamp (1) and the second pipe clamp (4), described first pipe clamp (1) and the second pipe clamp (4) are oppositely arranged, after forming the space holding pipeline (8), be fixedly connected with supporting frame (6), it is characterized in that: between described first pipe clamp (1) and the second pipe clamp (4), be provided with the first fixing clamp (2) and the second fixing clamp (9), described first fixing clamp (2) is movably connected on the inner side of the first pipe clamp (1), the shape of described first fixing clamp (2) and the mating shapes of the first pipe clamp (1), described second fixing clamp (9) is movably connected on the inner side of the second pipe clamp (4), the shape of described second fixing clamp (9) and the mating shapes of the second pipe clamp (4),
Some first memory alloy pipes (7) are provided with between described first fixing clamp (2) and the first pipe clamp (1), be provided with some second memory alloy pipes (5) between described second fixing clamp (9) and the second pipe clamp (4), described first memory alloy pipes (7) and the second memory alloy pipes (5) all adopt marmem to make.
2. as claimed in claim 1 for the large dampening bracket of pipe vibration-damping, it is characterized in that: leave buffer gap between described first pipe clamp (1) and the first fixing clamp (2), described first memory alloy pipes (7) is positioned at buffer gap; Leave buffer gap between described second pipe clamp (4) and the second fixing clamp (9), described second memory alloy pipes (5) is positioned at buffer gap.
3. as claimed in claim 1 for the large dampening bracket of pipe vibration-damping, it is characterized in that: the outside of described first fixing clamp (2) has some the first mounting grooves (12) for placing the first memory alloy pipes (7), and the outside of described second fixing clamp (9) has some the second mounting grooves for placing the second memory alloy pipes (5).
4. as claimed in claim 1 for the large dampening bracket of pipe vibration-damping, it is characterized in that: described some first memory alloy pipes (7) are all arranged along the radial direction of the first fixing clamp (2), described some second memory alloy pipes (5) are all arranged along the radial direction of the second fixing clamp (9).
5. as claimed in claim 1 for the large dampening bracket of pipe vibration-damping, it is characterized in that: the arranged outside of described first fixing clamp (2) has the first stationary axle (11), described first pipe clamp (1) has the first mounting hole with the first stationary axle (11) corresponding part, and described first pipe clamp (1) is fixedly fastened by the first stationary axle (11) and first; The arranged outside of described second fixing clamp (9) has the second stationary axle, described second pipe clamp (4) has the second mounting hole with the corresponding part of the second stationary axle, and described second pipe clamp (4) is fixedly fastened by the second stationary axle and second.
6., as claimed in claim 5 for the large dampening bracket of pipe vibration-damping, it is characterized in that: the aperture of described first mounting hole is greater than the diameter of the first stationary axle (11), the aperture of described second mounting hole is greater than the diameter of the second stationary axle.
7., as claimed in claim 1 for the large dampening bracket of pipe vibration-damping, it is characterized in that: the inside of all first memory alloy pipes (7) and the second memory alloy pipes (5) is all filled with damping material (10).
8. as claimed in claim 7 for the large dampening bracket of pipe vibration-damping, it is characterized in that: described damping material (10) is the grains of sand, metal damping silk or clay.
9., as claimed in claim 1 for the large dampening bracket of pipe vibration-damping, it is characterized in that: support frame as described above (6) is connected part with the first pipe clamp (1) and is provided with cushion block (3).
CN201510272382.8A 2015-05-25 2015-05-25 Large damping support used for pipeline vibration damping Active CN104832715B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510272382.8A CN104832715B (en) 2015-05-25 2015-05-25 Large damping support used for pipeline vibration damping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510272382.8A CN104832715B (en) 2015-05-25 2015-05-25 Large damping support used for pipeline vibration damping

Publications (2)

Publication Number Publication Date
CN104832715A true CN104832715A (en) 2015-08-12
CN104832715B CN104832715B (en) 2017-01-25

Family

ID=53810798

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510272382.8A Active CN104832715B (en) 2015-05-25 2015-05-25 Large damping support used for pipeline vibration damping

Country Status (1)

Country Link
CN (1) CN104832715B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105179812A (en) * 2015-09-15 2015-12-23 安徽江淮汽车股份有限公司 Automobile exhaust system and exhaust pipe clamp device thereof
CN107606025A (en) * 2017-08-25 2018-01-19 中国船舶重工集团公司第七〇九研究所 Pipeline intrinsic frequency adjusting apparatus, pipe-line system and the pipe-line system method of adjustment
CN109869530A (en) * 2017-12-01 2019-06-11 红塔烟草(集团)有限责任公司 A kind of firm rack device in cut-tobacco drier cylinder internal steam pipe road
KR102064166B1 (en) 2019-10-22 2020-01-09 해동이앤티 주식회사 Supporting structure of waste oil storage apparatus
CN112343716A (en) * 2019-08-08 2021-02-09 通用电气公司 Shape memory alloy isolator for gas turbine engine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2616197B1 (en) * 1987-06-05 1989-10-13 Hutchinson DEVICE FOR CONNECTING A TUBE, BELLOWS OR THE LIKE TO A TIP USING A MEMORY-SHAPED ALLOY MEMBER AND METHOD FOR MOUNTING IT
JPH04208022A (en) * 1990-11-30 1992-07-29 Nissin Electric Co Ltd Conductor supporting device
CN201884840U (en) * 2010-12-14 2011-06-29 郭安薪 Shock-proof connector for buried pipe network
DE202012103440U1 (en) * 2012-09-10 2012-09-28 Edgar Emil Sinn Pipe clamp and insert for a pipe clamp
CN203703376U (en) * 2014-01-20 2014-07-09 江苏海事职业技术学院 Vibration and noise reduction pipe clamp of naval ship pipeline

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2616197B1 (en) * 1987-06-05 1989-10-13 Hutchinson DEVICE FOR CONNECTING A TUBE, BELLOWS OR THE LIKE TO A TIP USING A MEMORY-SHAPED ALLOY MEMBER AND METHOD FOR MOUNTING IT
JPH04208022A (en) * 1990-11-30 1992-07-29 Nissin Electric Co Ltd Conductor supporting device
CN201884840U (en) * 2010-12-14 2011-06-29 郭安薪 Shock-proof connector for buried pipe network
DE202012103440U1 (en) * 2012-09-10 2012-09-28 Edgar Emil Sinn Pipe clamp and insert for a pipe clamp
CN203703376U (en) * 2014-01-20 2014-07-09 江苏海事职业技术学院 Vibration and noise reduction pipe clamp of naval ship pipeline

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105179812A (en) * 2015-09-15 2015-12-23 安徽江淮汽车股份有限公司 Automobile exhaust system and exhaust pipe clamp device thereof
CN107606025A (en) * 2017-08-25 2018-01-19 中国船舶重工集团公司第七〇九研究所 Pipeline intrinsic frequency adjusting apparatus, pipe-line system and the pipe-line system method of adjustment
CN107606025B (en) * 2017-08-25 2019-05-10 中国船舶重工集团公司第七一九研究所 Pipeline intrinsic frequency adjusts device, pipe-line system and the pipe-line system method of adjustment
CN109869530A (en) * 2017-12-01 2019-06-11 红塔烟草(集团)有限责任公司 A kind of firm rack device in cut-tobacco drier cylinder internal steam pipe road
CN112343716A (en) * 2019-08-08 2021-02-09 通用电气公司 Shape memory alloy isolator for gas turbine engine
KR102064166B1 (en) 2019-10-22 2020-01-09 해동이앤티 주식회사 Supporting structure of waste oil storage apparatus

Also Published As

Publication number Publication date
CN104832715B (en) 2017-01-25

Similar Documents

Publication Publication Date Title
CN104832715A (en) Large damping support used for pipeline vibration damping
US9951655B2 (en) Oil tank mount arrangement on a geared turbofan engine
EP1681182A3 (en) Spring support
KR101999427B1 (en) Vertical pump having discharge head with flexible element
CN112459989A (en) Efficient energy-saving air compressor
CN204226936U (en) A kind of shockproof joint of pressure-reducing cushioning
CN204692883U (en) A kind of corrugated expansion joint
CN105864582B (en) A kind of easy pipeline protection closure assembly and its installation method
CN104908565A (en) Mounting structure of compressor and power assembly
CN103807557A (en) Angular hinged expansion joint
CN209638012U (en) A kind of inverse circulation chemical shielding electric pump of high reliability
CN203703479U (en) Pressure balance type pipeline compensator
CN202031812U (en) Low noise air compressor set connected by using bellows
CN105864573B (en) One kind mounts and dismounts convenient pipeline protection closure assembly and its installation method
CN220134304U (en) Shock-resistant fire pump
CN208437918U (en) A kind of easy-to-dismount Portable crimping equipment for stablizing blanking
CN202392345U (en) Spherical compensator
CN105972383B (en) A kind of pipe safety protective cover and its installation method
CN105889705B (en) A kind of heat-insulating shield device and its installation method for pipeline
CN205243778U (en) Remove portable air compressor machine
CN117052720A (en) Shell noise reduction equipment for magnetic pump
CN106122603B (en) A kind of pipe-supporting component
CN102563253A (en) Spherical compensator
CN204344201U (en) A kind of acoustic wave filter structure
CN104373160B (en) Air intake cone of flue gas turbine and flue gas turbine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant