CN107143699B - A kind of pipe line steel flexible anti-shock holder - Google Patents
A kind of pipe line steel flexible anti-shock holder Download PDFInfo
- Publication number
- CN107143699B CN107143699B CN201710464639.9A CN201710464639A CN107143699B CN 107143699 B CN107143699 B CN 107143699B CN 201710464639 A CN201710464639 A CN 201710464639A CN 107143699 B CN107143699 B CN 107143699B
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- China
- Prior art keywords
- pipe sleeve
- support column
- support
- steel wire
- shaped main
- 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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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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports 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
- F16L3/1091—Supports 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
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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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports 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
- F16L3/11—Supports 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 and hanging from a pendant
Abstract
The invention discloses a kind of pipe line steel flexible anti-shock holders, including U-shaped main support, support column, pipeline set, and steel wire rope, the bottom wall of U-shaped main support is fixedly arranged in the middle of support column, pipeline set includes the upper pipe sleeve of consistency from top to bottom setting and lower pipe sleeve, down tube is sleeved on link block both sides and is symmetrically erected with steel wire rope, it is provided with hinge bar between connecting rod and upper pipe sleeve, hinge bar one end is fixedly connected with the connecting rod, hinge bar between connecting rod one end and upper pipe sleeve far from being rotatablely connected, the lower pipe sleeve corresponds to support column and offers mounting groove, between the support column and installation groove sidewall radial spring is fixed with along pipeline set radial direction, between the support column and installation groove sidewall axle spring is fixed with along pipeline set axial direction.The present invention, which simultaneously covers pipeline via rigidity, flexible strutting piece, realizes support so that the supporting role that integral support covers pipeline is more preferable, and so that antihunt action is more preferable, more effective.
Description
Technical field
The present invention relates to para-seismic support technical field, specially a kind of pipe line steel flexible anti-shock holder.
Background technology
In many places for needing pipe laying, all spliced using multistage pipeline to realize remote transport, so being
Stitching portion structure is more stablized, it is necessary to holder be arranged in pipeline stitching portion, this holder generally includes two pipes of connection
Son mechanical splice (i.e. pipeline set) and for connect this pipeline cover support element.
It is generally directly connected to a permanent structure, such as smallpox in order to provide adequately support, support element to pipeline set
On plate, in the prior art, holder is flexible according to the steel of support element, can be divided into two kinds：1, rigid trestle；2, flexible support.
For existing two kinds of holders, hence it is evident that there are following defects：When rigid support 1, is only used only, rigidity
Support element although pipeline can be covered enough support force is provided, when earthquake or any impact force action occurs to managing
When on road, pipeline set may generate a reaction force to the support element of rigidity so that and stiffness cracks occur for rigid strutting piece,
Lead to the damage of entire holder；When flexible support 2, is only used only, although support element flexible such as steel wire rope will not occur just
Property fracture, but it is difficult to provide enough support force to pipeline set, needs to consume a large amount of steel wire rope and provides support force, very
Waste material.
Invention content
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of pipe line steel flexible anti-shock holder
Problem.
To achieve the above object, the present invention provides the following technical solutions：
A kind of pipe line steel flexible anti-shock holder, including U-shaped main support, support column, pipeline set and steel wire rope, it is described U-shaped
The bottom wall of main support is fixedly arranged in the middle of support column, and pipeline set is set to support column far from U-shaped main support bottom wall side；
Pipeline set includes the upper pipe sleeve of consistency from top to bottom setting and lower pipe sleeve, passes through connection between the upper pipe sleeve and lower pipe sleeve
Block is flexibly connected, and link block is symmetrically disposed on the lateral wall of pipe sleeve and lower pipe sleeve；
The down tube is sleeved on link block both sides and is symmetrically erected with steel wire rope, and the both ends of the steel wire rope are individually fixed in steel wire
In the threaded hole of steel of connector, the steel wire connector is symmetrically disposed on U-shaped main support side wall；
It is further fixed on connecting rod between the U-shaped main support side wall, is provided between the connecting rod and upper pipe sleeve hinged
Bar, described hinge bar one end are fixedly connected with the connecting rod, and hinge bar between connecting rod one end and upper pipe sleeve far from being rotatablely connected；
The lower pipe sleeve corresponds to support column and offers mounting groove, and the support column is flexibly connected with installation groove bottom wall, institute
It states and is fixed with radial spring, the support column and mounting groove side along pipeline set radial direction between support column and installation groove sidewall
Between wall axle spring is fixed with along pipeline set axial direction.
Preferably, it is symmetrically fixed with fixed block on the U-shaped main support side wall, and offers mounting hole in fixed block.
Preferably, the upper pipe sleeve and lower pipe sleeve, which are set up to correspond at steel wire rope, offers steel wire trough.
Preferably, connecting hole is offered in the link block.
Preferably, mounting plate is fixed on the hinge bar, and the both ends of mounting plate are respectively and fixedly provided with baffle.
Preferably, bottom plate is arranged on the support column, one end of the bottom plate is fixed on U-shaped main support bottom wall, and
Bottom plate is flexibly connected far from U-shaped main support bottom wall one end with lower pipe sleeve.
Preferably, the madial wall of the upper pipe sleeve and lower pipe sleeve, which is sticked, cushion.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is ceiling mounted by U-shaped main support first, then the upper pipe sleeve and down tube by being provided separately
Set entangles pipeline, and lower pipe sleeve is plugged on the support columns by mounting groove, plays the role of tentatively covering rigid support, branch to pipeline
It is separately installed with radial spring and axle spring between dagger and installation groove sidewall, when pipeline can be made to be sleeved on by external force, is led to
The telescopic action for crossing spring realizes that radial and axial offset movement, upper pipe sleeve are hinged with hinge bar so that upper pipe sleeve passes through hinge
The connection function of extension bar is rigidly attached in connecting rod, plays the role of further covering rigid support and damping to pipeline；Most
Afterwards by the steel wire connector being fixed on U-shaped main support, steel wire rope is ridden upon to the lower section of pipeline set so that pipeline be sleeved on by
When to external force, pipeline set can roll on a steel cord, play the role of covering flexible support and damping to pipeline, very
Effectively.
The present invention realizes the connection with ceiling by U-shaped main support, real then by the effect of support column and hinge bar
The rigid support connection of existing pipeline set, finally by setting up for steel wire rope so that pipeline set realizes flexible support connection, via
Rigidity, flexible strutting piece, which simultaneously cover pipeline, realizes support so that the supporting role that integral support covers pipeline is more preferable, and makes
It is more preferable, more effective to obtain antihunt action.
Description of the drawings
Fig. 1 is rigid support schematic diagram in the prior art；
Fig. 2 is flexible support schematic diagram in the prior art；
Fig. 3 is holder overall structure diagram of the present invention；
Fig. 4 is that inventive pipeline covers schematic side view；
Fig. 5 is that inventive pipeline covers elevational schematic view；
Fig. 6 is the areas A of the present invention enlarged diagram.
In figure：1U types main support, 2 steel wire connectors, 21 threaded hole of steel, 3 support columns, 31 bottom plates, pipe sleeve, 5 times pipe sleeves, 6 on 4
Link block, 61 connecting holes, 7 steel wire troughs, 8 steel wire ropes, 9 mounting grooves, 91 radial springs, 92 axle springs, 10 connecting rods, 11 are hinged
Bar, 12 mounting plates, 13 baffles, 14 fixed blocks, 15 mounting holes.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 6 are please referred to Fig.1, the present invention provides a kind of technical solution：
A kind of pipe line steel flexible anti-shock holder, including U-shaped main support 1, support column 3, pipeline set and steel wire rope 8, it is U-shaped
The two side walls of main support 1 are used for being installed on ceiling, realize the fixation of holder, can be symmetrical on 1 side wall of U-shaped main support
It is fixed with fixed block 14, fixed block 14 is fixed on the outside of side wall, is conveniently operated, and mounting hole 15 is offered in fixed block 14,
By the mating of bolt, so that bolt is passed through mounting hole 15 and fix fixed block 14 on the ceiling, installation easy to disassemble, ten
Divide simplicity.
The bottom wall of U-shaped main support 1 is fixedly arranged in the middle of support column 3, and support column 3 is made to be installed on U-shaped main support 1 far from ceiling
A cradling piece on, pipeline set is set to support column 3 far from 1 bottom wall side of U-shaped main support, also allows for pipeline and is set on
U-shaped main support 1 in the square in ceiling besieged city can be very good that pipeline set is operated and protected.
Pipeline set is used for being socketed in the stitching portion of two pipelines, realizes the protection to stitching portion so that two pipeline difference
It is plugged from the both ends that pipeline covers into pipeline set, completes splicing, and the madial wall of upper pipe sleeve 4 and lower pipe sleeve 5 is sticked and has
Cushion can realize the pipeline of splicing and protect, prevent mechanical damage, and can also add some preserving timbers in cushion course
Material, realizes the antisepsis of pipeline.
Pipeline set includes that the upper pipe sleeve 4 of consistency from top to bottom setting and lower pipe sleeve 5, upper pipe sleeve 4 and lower pipe sleeve 5 are provided separately, can
Plugging and splice with more convenient pipeline, pipeline plugs in lower pipe sleeve 5, is then aligned upper pipe sleeve 4, simultaneously with lower pipe sleeve 5
And lower pipe sleeve 5 is covered, it is flexibly connected by link block 6 between upper pipe sleeve 4 and lower pipe sleeve 5, link block 6 is symmetrically disposed on pipe sleeve
4 and lower pipe sleeve 5 lateral wall on, link block 6 is arranged in the junction of upper pipe sleeve 4 and lower pipe sleeve 5, and link block 6 is arranged
Middle part in junction, link block 6 are equipped in the side wall both sides of upper pipe sleeve 4 and lower pipe sleeve 5, and 5 liang of upper pipe sleeve 4 and lower pipe sleeve
The link block 6 of side is correspondingly arranged up and down respectively, is conveniently connected and fixed, after pipeline is plugged in pipeline set, upper pipe sleeve 4 and down tube
After 5 alignment of set covers, it by the connecting hole 61 opened up in link block 6, can be fixed by bolt, iron wire can also be passed through
Being relatively fixed for upper and lower corresponding link block 6 is realized Deng across connecting hole, and upper pipe sleeve 4 and lower pipe sleeve 5 are fixed, also would not
Pipeline is set to be moved radially inside pipeline set.
Lower pipe sleeve 5 is symmetrically erected with steel wire rope 8 in 6 both sides of link block, passes through the setting of steel wire rope 8 so that pipeline set can
To be moved on steel wire rope 8, the flexible support covered to pipeline is also acted as, it is strong to mitigate support to be offered needed for steel wire rope 8 significantly
Degree, and those skilled in the art can be covered according to pipeline and the weight of pipeline, are combined with steel wire rope standard GB/T 8918-2006, count
The model of the steel wire rope 8 needed is calculated, upper pipe sleeve 4 and lower pipe sleeve 5, which are set up to correspond at steel wire rope 8, offers steel wire trough 7, steel wire
The setting of slot 7 so that steel wire rope 8 rides upon in steel wire trough 7, will not be because of when pipeline will not to be sleeved on move on steel wire rope 8
The offset of steel wire rope 8 causes steel wire rope 8 to slide, to be impacted to the support effect of integral support, the both ends of steel wire rope 8
It is individually fixed in the threaded hole of steel 21 of steel wire connector 2, steel wire connector 2 is symmetrically disposed on 1 side wall of U-shaped main support, is passed through
The both ends of steel wire rope 8 are fixed in the effect of steel wire connector 2 so that steel wire rope 8 play flexible support effect when structure more
Stablize.
Connecting rod 10 is further fixed between 1 side wall of U-shaped main support, the both ends of connecting rod 10, which are respectively perpendicular, is fixed on U-shaped master
In the two side walls of holder 1, hinge bar 11 is provided between connecting rod 10 and upper pipe sleeve 4, hinge bar 11 is fixed on connecting rod 10
Middle part, 11 one end of hinge bar is fixedly connected with connecting rod 10, and hinge bar 11 is far between 10 one end of connecting rod and upper pipe sleeve 4
Rotation connection, hinge bar 11 are realized by articulated shaft and are hinged with 4 lateral wall of upper pipe sleeve so that entirely pipeline set can around hinge
Spindle realizes rotation, and more most important is exactly that hinge bar 11 also achieves the rigid support covered to pipeline, to pipeline set
A pulling force is provided, for sharing the stress of steel wire rope 8.
Mounting plate 12 is fixed on hinge bar 11, mounting plate 12 is socketed in 11 middle part of hinge bar, and the both ends of mounting plate 12
Be respectively and fixedly provided with baffle 13, the setting of baffle 13 is used for preventing pipeline to be sleeved on overmigration when being moved by external force, baffle 13 with it is upper
The distance between pipe sleeve 4 can be configured according to the movable distance of lower pipe sleeve 5, it is only necessary to baffle 13 lower pipe sleeve 5 to the left
It is limited when moving right.
Lower pipe sleeve 5 corresponds to support column 3 and offers mounting groove 9, and support column 3 is flexibly connected with 9 bottom wall of mounting groove, support column
3 activities are plugged in mounting groove 9, and the depth of mounting groove 9 can be configured according to the set thickness that pipeline covers, and support column 3
With the setting of mounting groove 9 so that when pipeline set is by outer force effect, lower pipe sleeve 5 can be first subjected to support column 3 when moving and install
The influence moved in slot 9.
It is fixed with radial spring 91 along pipeline set radial direction between 9 side wall of support column 3 and mounting groove, generally by external force
When causing vibrations, the mainly stress in the radial direction of pipeline set, the at this time setting of radial spring 91 can be played to pipeline set
Resilient support, and pipeline set is facilitated to retract to initial position；Secondly, when pipeline, which covers, to be shaken, the axial direction of pipeline set
Upper affirmative also can stress, be fixed with axle spring 92 along pipeline set axial direction between 9 side wall of support column 3 and mounting groove, this
When axle spring 92 setting can also play the resilient support covered to pipeline, and it is axial initial to facilitate pipeline set to retract to
Position.
Bottom plate 31 is arranged on support column 3, bottom plate 31 is arranged between U-shaped main support 1 and lower pipe sleeve 5, and bottom plate 31
One end is fixed on 1 bottom wall of U-shaped main support, and bottom plate 31 is flexibly connected far from 1 bottom wall one end of U-shaped main support with lower pipe sleeve 5,
Just play the role of the Auxiliary support to lower pipe sleeve 5, it can further particularly effective protective conduit set.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of pipe line steel flexible anti-shock holder, including U-shaped main support (1), support column (3), pipeline set and steel wire rope (8),
The bottom wall of the U-shaped main support (1) is fixedly arranged in the middle of support column (3), and pipeline set is set to support column (3) far from U-shaped main support
(1) bottom wall side；
Pipeline set includes the upper pipe sleeve (4) and lower pipe sleeve (5) of consistency from top to bottom setting, between the upper pipe sleeve (4) and lower pipe sleeve (5)
It is flexibly connected by link block (6), link block (6) is symmetrically disposed on the lateral wall of pipe sleeve (4) and lower pipe sleeve (5)；Its
It is characterized in that：
The lower pipe sleeve (5) is symmetrically erected with steel wire rope (8) in link block (6) both sides, and the both ends of the steel wire rope (8) are solid respectively
Due in the threaded hole of steel (21) of steel wire connector (2), the steel wire connector (2) is symmetrically disposed on U-shaped main support (1) side wall
On；
It is further fixed on connecting rod (10) between U-shaped main support (1) side wall, between the connecting rod (10) and upper pipe sleeve (4)
It is provided with hinge bar (11), described hinge bar (11) one end is fixedly connected with connecting rod (10), and hinge bar (11) is far from connection
It is rotatablely connected between bar (10) one end and upper pipe sleeve (4)；
The corresponding support column (3) of the lower pipe sleeve (5) offers mounting groove (9), and the support column (3) and mounting groove (9) bottom wall
Flexible connection is fixed with radial spring between the support column (3) and mounting groove (9) side wall along pipeline set radial direction
(91), between the support column (3) and mounting groove (9) side wall axle spring (92) is fixed with along pipeline set axial direction.
2. a kind of pipe line steel flexible anti-shock holder according to claim 1, it is characterised in that：U-shaped main support (1) side
It is symmetrically fixed with fixed block (14) on wall, and offers mounting hole (15) in fixed block (14).
3. a kind of pipe line steel flexible anti-shock holder according to claim 1, it is characterised in that：The upper pipe sleeve (4) and under
Pipe sleeve (5), which is set up to correspond at steel wire rope (8), offers steel wire trough (7).
4. a kind of pipe line steel flexible anti-shock holder according to claim 1, it is characterised in that：It is opened in the link block (6)
Equipped with connecting hole (61).
5. a kind of pipe line steel flexible anti-shock holder according to claim 1, it is characterised in that：It is solid on the hinge bar (11)
Surely there is mounting plate (12), and the both ends of mounting plate (12) are respectively and fixedly provided with baffle (13).
6. a kind of pipe line steel flexible anti-shock holder according to claim 1, it is characterised in that：It is covered on the support column (3)
Equipped with bottom plate (31), one end of the bottom plate (31) is fixed on U-shaped main support (1) bottom wall, and bottom plate (31) is far from U-shaped main branch
Frame (1) bottom wall one end is flexibly connected with lower pipe sleeve (5).
7. a kind of pipe line steel flexible anti-shock holder according to claim 1, it is characterised in that：The upper pipe sleeve (4) and under
The madial wall of pipe sleeve (5) is sticked and has cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464639.9A CN107143699B (en) | 2017-06-19 | 2017-06-19 | A kind of pipe line steel flexible anti-shock holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464639.9A CN107143699B (en) | 2017-06-19 | 2017-06-19 | A kind of pipe line steel flexible anti-shock holder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107143699A CN107143699A (en) | 2017-09-08 |
| CN107143699B true CN107143699B (en) | 2018-10-12 |
Family
ID=59781755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710464639.9A Active CN107143699B (en) | 2017-06-19 | 2017-06-19 | A kind of pipe line steel flexible anti-shock holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107143699B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609086A (en) * | 2020-06-10 | 2020-09-01 | 蚌埠龙淮建筑科技有限公司 | Suspension type buffering anti-seismic equipment with rigidity and flexibility capable of being automatically switched |
| CN111853439B (en) * | 2020-07-08 | 2021-10-01 | 合肥元康环境科技有限公司 | Steel wire rope anti-seismic support system for suspension equipment |
| CN115021181B (en) * | 2022-07-07 | 2024-04-19 | 广东电网有限责任公司 | GIL pipeline flexible supporting device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2203398Y (en) * | 1994-11-08 | 1995-07-12 | 俞伯兴 | Fast leak stopping device for large bore transportation pipeline |
| US6135397A (en) * | 1997-10-15 | 2000-10-24 | Santa Cruz; Cathy D. | Multipurpose fastener |
| CN205859369U (en) * | 2016-06-12 | 2017-01-04 | 周榕城 | A kind of central air-conditioning pipe mounting suspension |
| CN205938177U (en) * | 2016-07-11 | 2017-02-08 | 国电清航瑞恒江苏环保科技有限公司 | High sufficiency pipe -hanger |
| CN206072540U (en) * | 2016-10-12 | 2017-04-05 | 常州市武进武南管道设备有限公司 | High-efficiency pipeline suspension and support |
| CN206206795U (en) * | 2016-10-11 | 2017-05-31 | 河南大森机电股份有限公司 | A kind of subway suspension and support with shock-absorbing function |
-
2017
- 2017-06-19 CN CN201710464639.9A patent/CN107143699B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2203398Y (en) * | 1994-11-08 | 1995-07-12 | 俞伯兴 | Fast leak stopping device for large bore transportation pipeline |
| US6135397A (en) * | 1997-10-15 | 2000-10-24 | Santa Cruz; Cathy D. | Multipurpose fastener |
| CN205859369U (en) * | 2016-06-12 | 2017-01-04 | 周榕城 | A kind of central air-conditioning pipe mounting suspension |
| CN205938177U (en) * | 2016-07-11 | 2017-02-08 | 国电清航瑞恒江苏环保科技有限公司 | High sufficiency pipe -hanger |
| CN206206795U (en) * | 2016-10-11 | 2017-05-31 | 河南大森机电股份有限公司 | A kind of subway suspension and support with shock-absorbing function |
| CN206072540U (en) * | 2016-10-12 | 2017-04-05 | 常州市武进武南管道设备有限公司 | High-efficiency pipeline suspension and support |
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| Publication number | Publication date |
|---|---|
| CN107143699A (en) | 2017-09-08 |
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