CN112503288A - Pipeline installation construction method for building equipment - Google Patents
Pipeline installation construction method for building equipment Download PDFInfo
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- CN112503288A CN112503288A CN202011147461.3A CN202011147461A CN112503288A CN 112503288 A CN112503288 A CN 112503288A CN 202011147461 A CN202011147461 A CN 202011147461A CN 112503288 A CN112503288 A CN 112503288A
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- Prior art keywords
- pipeline
- frame
- connector
- rubber strip
- construction method
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- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/035—Noise absorbers in the form of specially adapted hangers or supports
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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
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
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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
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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
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a pipeline installation construction method for building equipment, which specifically comprises the following steps: s1, firstly, connecting the hanging plate with the roof through the mounting plate, fixing the bolt with the roof through the threaded hole on the mounting plate, and mounting the hanging plate on the roof; s2, after the installation of the hanging plate is completed, installing a rubber strip on a frame at the bottom of the hanging plate, smearing adhesive on the bottom of the rubber strip and the installation position of the frame, then adhering the rubber strip and the frame to complete the installation, and then installing a damping mechanism above the rubber strip. According to the pipeline installation construction method for the building equipment, the fixing mechanism comprises the screw rod, the installation groove is formed in the surface of the second pipeline, when the plurality of sections of pipelines are connected, the fixing rod penetrates through the two connected pipelines by rotating the screw rod, the pipelines are fixed, the operation is simple and convenient, tools are not needed, and the installation construction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of building equipment installation, in particular to a pipeline installation construction method for building equipment.
Background
The building equipment is an important component of a building, comprises facility equipment such as water supply, drainage, heating, ventilation, air conditioning, electricity, elevators, communication, building intellectualization and the like, daily life and work in a building are always independent of water, air and electricity, equipment for providing the necessary things is called building equipment, comprises systems such as water supply and drainage, heating, ventilation, air conditioning, power electricity and the like, and a healthy and comfortable indoor environment is ensured due to the equipment, wherein the heating, ventilation and air conditioning need a set of corresponding equipment comprising a boiler room, a refrigerating machine room, an air conditioning machine room, an air duct, a pipeline, a trench, a radiator, an air supply opening, a return air opening and the like, and the equipment occupies a certain building space and is closely related to building design and structural design, and also comprises an automatic system, the building equipment automation system is a highly automated building equipment comprehensive management system composed of a computer technology, an automatic control technology and a communication technology and is mainly responsible for monitoring, managing and controlling a plurality of scattered building equipment in a building.
Its pipeline of present central air conditioning is when indoor installation, and current pipeline erection mode is when multisection pipeline is connected, uses the bolt to connect between the multisection pipeline usually or with welding between the multisection pipeline, need use a plurality of instruments, complex operation, the efficiency of construction of installation has been reduced, factors such as pipeline air inlet, air-out all can make the pipeline appear rocking simultaneously, lead to the outer heat preservation of pipeline and pipeline support looks mutual friction, can lead to the heat preservation to damage for a long time.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a pipeline installation construction method for building equipment, which solves the problems that a plurality of sections of pipelines are connected by bolts or welded by bolts, a plurality of tools are needed, the operation is complicated, the installation construction efficiency is reduced, and meanwhile, the pipelines are shaken due to factors such as air inlet and air outlet of the pipelines, so that the heat insulation layer outside the pipelines and a pipeline support are rubbed with each other, and the heat insulation layer is damaged for a long time.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a pipeline installation construction method for building equipment specifically comprises the following steps:
s1, firstly, connecting the hanging plate with the roof through the mounting plate, fixing the bolt with the roof through the threaded hole on the mounting plate, and mounting the hanging plate on the roof;
s2, after the hanger plate is installed, installing a rubber strip on a frame at the bottom of the hanger plate, smearing adhesive on the bottom of the rubber strip and the installation position of the frame, then adhering the rubber strip to the frame to complete installation, then installing a damping mechanism above the rubber strip, adhering the bottom of the damping mechanism to the upper part of the rubber strip through the adhesive, and adhering two sides of the damping mechanism to two sides in the frame through the adhesive;
s3, after the damping mechanism is installed, measuring the length required by the air conditioner pipeline, connecting a plurality of sections of pipelines according to the measurement result, when the pipelines are connected, enabling the connector of the first pipeline to enter the inside of the second pipeline, after the connector enters, sequentially rotating the screw rods around the outside of the second pipeline to drive the fixing plate on the screw rods to move downwards, enabling the fixing plate to drive the fixing rod to move downwards, and enabling the fixing rod to sequentially penetrate through the second pipeline and the connector to fixedly connect the two pipelines;
and S4, after the pipeline body is connected, smearing the adhesive on the rubber pad, placing the pipeline body on the rubber pad, and fixing to complete the installation of the pipeline body.
Preferably, in step S2, a plurality of rubber strips are provided and are sequentially mounted on the frame in parallel.
Preferably, in step S3, the joint of the first pipe enters the second pipe, and the sealing ring outside the joint enters between the two pipes at the same time, so as to seal the two pipes.
The invention also discloses a pipeline installation structure for the pipeline installation construction method, which comprises a hanging plate, a pipeline body and a frame, wherein the pipeline body comprises a first pipeline and a second pipeline, one side of the first pipeline, which is close to the second pipeline, is fixedly connected with a connector, one side of the connector, which is far away from the first pipeline, penetrates through the second pipeline and extends into the second pipeline, the periphery of the connector is fixedly connected with a sealing ring, the periphery of the sealing ring is attached to the inner wall of the second pipeline, four corners of the right side of the surface of the second pipeline are respectively provided with a fixing mechanism, the top of the inner wall of the frame is fixedly connected with a rubber strip, and a damping mechanism is fixedly connected between two sides of the inner wall of the frame and positioned at the top of the rubber strip.
Preferably, the fixing mechanism comprises a screw rod, the surface of the second pipeline is provided with a mounting groove, the bottom of the inner wall of the mounting groove is rotatably connected with the bottom end of the screw rod, and the surface of the screw rod is in threaded connection with a fixing plate.
Preferably, the both sides of fixed plate bottom and the equal fixedly connected with dead lever in both sides that is located the screw rod, the bottom of dead lever runs through second pipeline and connector in proper order and extends to the outside of connector, the top fixedly connected with fixed block of screw rod.
Preferably, the damping mechanism comprises a U-shaped frame, the inner wall of the U-shaped frame is bonded with a rubber pad through an adhesive, and the inner wall of the rubber pad is bonded with the periphery of the pipeline body through the adhesive.
Preferably, first pipeline includes basic unit and heat preservation, the periphery of basic unit and the inner wall fixed connection of heat preservation, the equal fixedly connected with mounting panel in four corners at hanger plate top, and the top of mounting panel set up threaded hole.
(III) advantageous effects
The invention provides a pipeline installation construction method for building equipment. Compared with the prior art, the method has the following beneficial effects:
(1) the pipeline installation construction method for the building equipment comprises a screw rod through a fixing mechanism, a mounting groove is formed in the surface of the second pipeline, the bottom of the inner wall of the mounting groove is rotatably connected with the bottom end of the screw rod, a fixing plate is connected to the surface of the screw rod in a threaded manner, fixing rods are fixedly connected to the two sides of the bottom of the fixing plate and located on the two sides of the screw rod, the bottom end of each fixing rod sequentially penetrates through the second pipeline and the corresponding connector and extends to the outside of the corresponding connector, when the plurality of sections of pipelines are connected, the fixing rods penetrate through the two connected pipelines through rotation of the screw rod, the pipelines are fixed, the operation is simple and convenient, tools are not needed.
(2) According to the pipeline installation construction method for the building equipment, the damping mechanism comprises the U-shaped frame, the inner wall of the U-shaped frame is bonded with the rubber pad through the adhesive, the inner wall of the rubber pad is bonded with the periphery of the pipeline body through the adhesive, the pipeline is installed in the damping mechanism, the friction probability between the pipeline and the support is reduced, the heat insulation layer outside the pipeline is protected, the pipeline is prevented from being damaged, and the service life of the pipeline is prolonged.
(3) According to the pipeline installation construction method for the building equipment, the rubber strip is fixedly connected to the top of the inner wall of the frame, the damping mechanism is fixedly connected to the top of the rubber strip between the two sides of the inner wall of the frame, when the pipeline and the support are installed, the rubber strip is installed on the support firstly, through the arrangement of the rubber pads inside the rubber strip and the damping mechanism, noise generated when the pipeline is ventilated is reduced, and the surrounding living environment is protected.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is a cross-sectional view of the pipe body structure of the present invention;
FIG. 4 is a side cross-sectional view of the pipe body structure of the present invention;
fig. 5 is a partial enlarged view of the invention at a in fig. 4.
In the figure, a hanging plate 1, a pipeline body 2, a first pipeline 21, a base layer 211, a heat-insulating layer 212, a second pipeline 22, a frame 3, a connecting head 4, a sealing ring 5, a fixing mechanism 6, a screw rod 61, a mounting groove 62, a fixing plate 63, a fixing rod 64, a fixing block 65, a rubber strip 7, a damping mechanism 8, a U-shaped frame 81, a rubber pad 82, a mounting plate 9 and a threaded hole 10.
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.
Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a pipeline installation construction method for building equipment specifically comprises the following steps:
s1, firstly, connecting the hanging plate 1 with the roof through the mounting plate 9, fixing the bolt with the roof through the threaded hole 10 on the mounting plate 9, and mounting the hanging plate 1 on the roof;
s2, after the hanger plate 1 is installed, installing a rubber strip 7 on the frame 3 at the bottom of the hanger plate 1, smearing adhesive on the bottom of the rubber strip 7 and the installation position of the frame 3, then adhering the rubber strip 7 to the frame 3 to complete installation, then installing a damping mechanism 8 above the rubber strip 7, adhering the bottom of the damping mechanism 8 to the upper side of the rubber strip 7 through the adhesive, and adhering the two sides of the damping mechanism to the two sides in the frame 3 through the adhesive;
s3, after the damping mechanism 8 is installed, measuring the length required by the air conditioner pipeline, connecting a plurality of pipelines according to the measurement result, when the connection is performed, the connector 4 of the first pipeline 21 enters the inside of the second pipeline 22, after the connector 4 enters, sequentially rotating the screw rods 61 around the outside of the second pipeline 22 to drive the fixing plate 63 on the screw rods 61 to move downwards, the fixing plate 63 drives the fixing rod 64 to move downwards, the fixing rod 64 sequentially penetrates through the second pipeline 22 and the connector 4 to fixedly connect the two pipelines, and then sequentially connecting the next pipeline according to the mode;
s4, after the pipe body 2 is connected, the adhesive is applied to the rubber pad 82, and the pipe body 2 is placed on the rubber pad 82 and fixed, so that the pipe body 2 can be mounted.
In the embodiment of the present invention, in step S2, a plurality of rubber strips 7 are provided and are sequentially mounted on the frame 3 in parallel.
In the embodiment of the present invention, in step S3, the joint 4 of the first pipe 21 enters the second pipe 22, and the seal ring 5 outside the joint 4 enters between the two pipes at the same time, so as to seal the two pipes.
The invention also discloses a pipeline installation structure for the pipeline installation construction method, which comprises a hanger plate 1, a pipeline body 2 and a frame 3, wherein the pipeline body 2 comprises a first pipeline 21 and a second pipeline 22, one side of the first pipeline 21 close to the second pipeline 22 is fixedly connected with a connector 4, one side of the connector 4 far away from the first pipeline 21 penetrates through the second pipeline 22 and extends to the inside of the second pipeline 22, the periphery of the connector 4 is fixedly connected with a sealing ring 5, the sealing ring 5 improves the sealing property of the joint of the two pipelines, and the periphery of sealing washer 5 and the inner wall of second pipeline 22 laminate mutually, and the four corners on second pipeline 22 surface right side all is provided with fixed establishment 6, and the top fixedly connected with rubber strip 7 of frame 3 inner wall, rubber strip 7 can be changed, guarantees its result of use, and the top fixedly connected with damper 8 that just is located rubber strip 7 between the both sides of frame 3 inner wall.
In the embodiment of the present invention, the fixing mechanism 6 includes a screw 61, the surface of the second pipeline 22 is provided with an installation groove 62, the bottom of the inner wall of the installation groove 62 is rotatably connected to the bottom end of the screw 61, and the surface of the screw 61 is in threaded connection with a fixing plate 63.
In the embodiment of the present invention, the two sides of the bottom of the fixing plate 63 and the two sides of the screw 61 are both fixedly connected with fixing rods 64, the bottom ends of the fixing rods 64 sequentially penetrate through the second pipeline 22 and the connector 4 and extend to the outside of the connector 4, and the top of the screw 61 is fixedly connected with a fixing block 65.
In the embodiment of the present invention, the damping mechanism 8 includes a U-shaped frame 81, the rubber pad 82 is adhered to the inner wall of the U-shaped frame 81 by an adhesive, the rubber pad 82 can be replaced to ensure the use effect, and the inner wall of the rubber pad 82 is adhered to the periphery of the pipe body 2 by the adhesive.
In the embodiment of the invention, the first pipeline 21 comprises a base layer 211 and a heat insulation layer 212, the heat insulation layer 212 is arranged to prevent heat in the pipeline from dissipating easily, the second pipeline 22 also comprises the base layer 211 and the heat insulation layer 212, the periphery of the base layer 211 is fixedly connected with the inner wall of the heat insulation layer 212, four corners of the top of the hanging plate 1 are fixedly connected with mounting plates 9, the top of the mounting plates 9 is provided with threaded holes 10, and the hanging plate 1 is fixed with a roof through the mounting plates 9 and the threaded holes 10.
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. A pipeline installation construction method for building equipment is characterized by comprising the following steps: the method specifically comprises the following steps:
s1, firstly, connecting the hanging plate with the roof through the mounting plate, fixing the bolt with the roof through the threaded hole on the mounting plate, and mounting the hanging plate on the roof;
s2, after the hanger plate is installed, installing a rubber strip on a frame at the bottom of the hanger plate, smearing adhesive on the bottom of the rubber strip and the installation position of the frame, then adhering the rubber strip to the frame to complete installation, then installing a damping mechanism above the rubber strip, adhering the bottom of the damping mechanism to the upper part of the rubber strip through the adhesive, and adhering two sides of the damping mechanism to two sides in the frame through the adhesive;
s3, after the damping mechanism is installed, measuring the length required by the air conditioner pipeline, connecting a plurality of sections of pipelines according to the measurement result, when the pipelines are connected, enabling the connector of the first pipeline to enter the inside of the second pipeline, after the connector enters, sequentially rotating the screw rods around the outside of the second pipeline to drive the fixing plate on the screw rods to move downwards, enabling the fixing plate to drive the fixing rods to move downwards, and enabling the fixing rods to sequentially penetrate through the second pipeline and the connector to fixedly connect the two pipelines;
and S4, after the pipeline body is connected, smearing the adhesive on the rubber pad, placing the pipeline body on the rubber pad, and fixing to complete the installation of the pipeline body.
2. The pipe installation construction method for construction equipment according to claim 1, wherein: and in the step S2, a plurality of rubber strips are arranged and sequentially arranged on the frame in parallel.
3. The pipe installation construction method for construction equipment according to claim 1, wherein: in the step S3, when the connector of the first pipeline enters the second pipeline, the sealing ring on the outer side of the connector enters between the two pipelines at the same time, so as to seal the two pipelines.
4. A pipe installation structure used in the pipe installation work method according to any one of claims 1 to 3, comprising a hanger plate, a pipe body including a first pipe and a second pipe, and a frame, wherein: the utility model discloses a pipeline structure, including first pipeline, second pipeline, first pipeline, the first pipeline is close to one side fixedly connected with connector of second pipeline, one side that first pipeline was kept away from to the connector runs through the second pipeline and extends to the inside of second pipeline, the peripheral fixedly connected with sealing washer of connector, and the periphery of sealing washer and the inner wall of second pipeline laminate mutually, the four corners on second pipeline surface right side all is provided with fixed establishment, the top fixedly connected with rubber strip of frame inner wall, just be located the top fixedly connected with damper of rubber strip between the both sides of frame inner wall.
5. The pipe installation structure for the pipe installation construction method according to claim 4, wherein: the fixing mechanism comprises a screw rod, a mounting groove is formed in the surface of the second pipeline, the bottom of the inner wall of the mounting groove is rotatably connected with the bottom end of the screw rod, and a fixing plate is connected to the surface of the screw rod in a threaded mode.
6. The pipe installation structure for the pipe installation construction method according to claim 5, wherein: the both sides of fixed plate bottom just are located the equal fixedly connected with dead lever in both sides of screw rod, the bottom of dead lever runs through second pipeline and connector in proper order and extends to the outside of connector, the top fixedly connected with fixed block of screw rod.
7. The pipe installation structure for the pipe installation construction method according to claim 4, wherein: the damping mechanism comprises a U-shaped frame, a rubber pad is adhered to the inner wall of the U-shaped frame through an adhesive, and the inner wall of the rubber pad is adhered to the periphery of the pipeline body through the adhesive.
8. The pipe installation structure for the pipe installation construction method according to claim 4, wherein: the first pipeline comprises a base layer and a heat preservation layer, the periphery of the base layer is fixedly connected with the inner wall of the heat preservation layer, four corners of the top of the hanging plate are fixedly connected with mounting plates, and threaded holes are formed in the top of the mounting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011147461.3A CN112503288A (en) | 2020-10-23 | 2020-10-23 | Pipeline installation construction method for building equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011147461.3A CN112503288A (en) | 2020-10-23 | 2020-10-23 | Pipeline installation construction method for building equipment |
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| Publication Number | Publication Date |
|---|---|
| CN112503288A true CN112503288A (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011147461.3A Pending CN112503288A (en) | 2020-10-23 | 2020-10-23 | Pipeline installation construction method for building equipment |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1198100A (en) * | 1982-01-27 | 1985-12-17 | Goran Sundholm | Pipe clamp |
| CN206310083U (en) * | 2016-12-16 | 2017-07-07 | 江苏科泰绝热新材料有限公司 | A kind of new cold insulation support of pipelines |
| CN206958424U (en) * | 2017-06-02 | 2018-02-02 | 江西省得一康管业有限公司 | Buried pipe quick union |
| CN208831926U (en) * | 2018-09-07 | 2019-05-07 | 重庆市永川区永青钢管有限公司 | A kind of cold tube rolling convenient for being connected and fixed |
| CN209991040U (en) * | 2019-04-22 | 2020-01-24 | 徐军 | Convenient road construction who dismantles is with drain pipe |
| CN210566682U (en) * | 2019-09-12 | 2020-05-19 | 无锡市轨道建设设计咨询有限公司 | Novel shock attenuation gallows of tuber pipe |
| CN210950284U (en) * | 2019-11-14 | 2020-07-07 | 无锡华能热能设备有限公司 | Pipeline connecting mechanism for burner nozzle |
-
2020
- 2020-10-23 CN CN202011147461.3A patent/CN112503288A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1198100A (en) * | 1982-01-27 | 1985-12-17 | Goran Sundholm | Pipe clamp |
| CN206310083U (en) * | 2016-12-16 | 2017-07-07 | 江苏科泰绝热新材料有限公司 | A kind of new cold insulation support of pipelines |
| CN206958424U (en) * | 2017-06-02 | 2018-02-02 | 江西省得一康管业有限公司 | Buried pipe quick union |
| CN208831926U (en) * | 2018-09-07 | 2019-05-07 | 重庆市永川区永青钢管有限公司 | A kind of cold tube rolling convenient for being connected and fixed |
| CN209991040U (en) * | 2019-04-22 | 2020-01-24 | 徐军 | Convenient road construction who dismantles is with drain pipe |
| CN210566682U (en) * | 2019-09-12 | 2020-05-19 | 无锡市轨道建设设计咨询有限公司 | Novel shock attenuation gallows of tuber pipe |
| CN210950284U (en) * | 2019-11-14 | 2020-07-07 | 无锡华能热能设备有限公司 | Pipeline connecting mechanism for burner nozzle |
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Application publication date: 20210316 |