CN109027506A - A kind of pipeline construction method without heating direct insertion connection - Google Patents
A kind of pipeline construction method without heating direct insertion connection Download PDFInfo
- Publication number
- CN109027506A CN109027506A CN201811050673.2A CN201811050673A CN109027506A CN 109027506 A CN109027506 A CN 109027506A CN 201811050673 A CN201811050673 A CN 201811050673A CN 109027506 A CN109027506 A CN 109027506A
- Authority
- CN
- China
- Prior art keywords
- pipe
- pipeline
- wall
- construction method
- direct insertion
- 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
Links
Classifications
-
- 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
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/115—Caps
-
- 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
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
Abstract
The pipeline construction method that the invention mainly relates to a kind of without heating direct insertion connection, including the pre-buried laying of CD pipe, CD pipe are fixed and port processing, concrete casting, the pretreatment of PB pipe, PB pipe access CD pipe are handled, PB manages the processes such as external end processing and hydraulic pressure test.The present invention can be greatly lowered pipeline and be exposed to the sun the time, ensure that pipeline will not lead to leak because of reason of being exposed to the sun, and need connecting component few, is not necessarily to hot-melt adhesive paste pipeline, sealing effect is good, shortens construction period, and surfacing will not be damaged, and it can solve pipeline and be exposed to the sun for a long time, impaired the problem of seriously leading to leak, pipeline connection needs accessory more, potential leak threatens more, and hot-melt adhesive paste seal for pipe joints effect is poor, the problems such as low with working efficiency complicated for operation.
Description
Technical field
The present invention relates to technical field of pipeline construction, specifically a kind of pipeline construction without heating direct insertion connection
Method.
Background technique
Pipe leakage is the inveteracy defect of residential building, and basic reason is the material of connecting portion and constructs bad, long
It is damaged caused by phase exposure, traditional pipeline construction mode is divided into the construction process, pipeline is laid with, the processing of water pipe both ends, pipe
Five processes such as road connection processing, concreting and hydraulic pressure test, pipeline are laid on the above position of concrete heat insulation layer, pipeline
Be exposed to the sun for a long time it is impaired serious there are the potential threats of leak, and in line treatment process water pipe link position using PPR hot melt
Connection type is connected, and poor sealing effect is complicated for operation low with working efficiency.
Summary of the invention
To solve the above-mentioned problems, the pipeline construction method that the present invention provides a kind of without heating direct insertion connection, can
It is exposed to the sun the time so that pipeline is greatly lowered, it is ensured that pipeline will not lead to leak because of reason of being exposed to the sun, and need connecting component few, nothing
Hot-melt adhesive paste pipeline is needed, sealing effect is good, shortens construction period, and will not damage surfacing, and it is long-term to can solve pipeline
It is exposed to the sun, impaired the problem of seriously leading to leak, pipeline connection needs accessory more, and potential leak threatens more, hot-melt adhesive paste pipeline
Poor sealing effect, the problems such as low with working efficiency complicated for operation.
To achieve the goals above, the present invention is realized using following technical scheme: one kind is without heating direct insertion connection
Pipeline construction method, include the next steps；
Step 1:CD manages pre-buried laying:
CD pipe is fixed on to the lower position of the reinforced frame upper reinforcement tied before ground pours, and CD pipe and reinforcing bar
It is mounted side by side, the spacing distance between CD pipe and reinforcing bar is 25~30MM, and the spacing between the CD pipe of the adjacent installation is 100
~150MM.
Step 2:CD pipe is fixed and port is handled:
CD pipe is fixed on reinforcing bar by pipe clamp, it is solid as one at 400-500mm that CD pipe straight line is laid with part
Fixed point, CD pipe curve is laid with part and is used as a fixed point at 250-320mm, and uses chock by the two ends of CD pipe
Mouth is stoppered, and will be wound package outside the exposed CD pipe of CD pipe port to reinforcing bar contact position using thermal insulation material.
The chock includes filling lid, clogs and is provided with handle on the outer wall of lid, clogs and is equipped in the middle part of the inner wall of lid
Sealing block is clogged and is equipped with annular electro movable slider on the inner wall of lid, and ring pipe is equipped on the outer wall of annular electro movable slider, annular
The cleaning brush of helicoidal structure is provided on the inner wall of pipe, the sealing block is round-like structure, and the diameter of sealing block is in the past
It is sequentially reduced, filling lid is tucked at CD pipe port by handle backward manually, the diameter of sealing block is different, can be to difference
The CD pipe of specification is stoppered, it can be ensured that the concrete in construction operation will not impact CD pipe, annular electro movable slider
Control cleaning brush is rotated, and can be carried out to the concrete slurry entered between filling lid and sealing block in CD pipe outer wall clear
Reason, applied widely, sealing effect is good.
Step 3: concrete casting:
The concrete being stirred uniformly is cast on reinforced frame using material distributing machine, material distributing machine selects new-type drum type brake cloth
Machine selects model JH-200 terrace vibration ruler that concrete is carried out jolt ramming operation.
The pretreatment of step 4:PB pipe
Select non-toxic lubricating oil uniformly to smear the outer wall at PB pipe head and the tail port, smear length for 30~
36MM, selected non-toxic lubricating oil are made of the raw material of following parts by weight: organic silicone oil 50~55, is prevented soya-bean oil 10~12
Corrosive agent 15~18, oxidant 8~10, friction moderator 20~25.
Step 5:PB pipe accesses the processing of CD pipe
PB pipe is inserted into CD pipe, PB pipe remains on same straight line with CD pipe in the center line of interface.
Step 6:PB manages external end processing
Tube-in-tube protective case is provided on PB pipe, the tube-in-tube protective case includes the socket pipe being mounted on PB pipe, set
Guiding sliding sleeve is installed on inner wall at adapter tube port, one end of socket pipe close to CD pipe is equipped with annular slab, on annular slab
It is equipped with along its circumferential direction and is evenly arranged with driver slot, bogie is provided in driver slot, is matched on the outer wall of socket pipe by sliding
Conjunction mode is equipped with driving thread plate, and driving thread plate is connected by screw thread engagement system with bogie, the bogie against
On guiding sliding sleeve, guiding sliding sleeve is made of flexible rubber material, and bogie is provided with guiding sliding sleeve contact position
Auxiliary ball is driven, the socket pipe is flared structure, and socket pipe is sequentially increased from PB pipe to the diameter in CD pipe direction, facilitates pipe
The connection operation of middle protection of pipe set, during PB pipe is accessed with CD pipe, socket pipe is moved to CD pipe direction, and guiding sliding sleeve exists
Play the role of guiding in motion process, manual control driving thread plate is rotated, and control bogie is to guiding sliding sleeve
Extruding fixation is carried out, facilitates PB to manage external end processing, has saved the time.
Step 7: hydraulic pressure test
It is connected using water tester with PB pipe, checks water tester all data, water tester selects Han Pairui
Board full-automatic pressure testing machine, test temperature are 5~30 DEG C, and test pressure is 1~5Mpa, and the testing time is for 24 hours, then unzips to
Normal condition repeats above-mentioned testing procedure, check connecting portion whether leak.
The beneficial effects of the present invention are:
1, the present invention can be greatly lowered pipeline and be exposed to the sun the time, it is ensured that and pipeline will not lead to leak because of reason of being exposed to the sun, and
And need connecting component few, it is not necessarily to hot-melt adhesive paste pipeline, sealing effect is good, shortens construction period, and will not damage surface material
Material, can solve pipeline and is exposed to the sun for a long time, and impaired the problem of seriously leading to leak, pipeline connection needs accessory more, potential leak prestige
Coerce more, hot-melt adhesive paste seal for pipe joints effect is poor, the problems such as low with working efficiency complicated for operation.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the cross-sectional view of filling lid and tube-in-tube protective case in the present invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
As shown in Figure 1, a kind of pipeline construction method without heating direct insertion connection, includes the next steps；
Step 1:CD manages pre-buried laying
CD pipe is fixed on to the lower position of the reinforced frame upper reinforcement tied before ground pours, and CD pipe and reinforcing bar
It is mounted side by side, the spacing distance between CD pipe and reinforcing bar is 25~30MM, and the spacing between the CD pipe of the adjacent installation is 100
~150MM.
Step 2:CD pipe is fixed and port is handled
CD pipe is fixed on reinforcing bar by pipe clamp, it is solid as one at 400-500mm that CD pipe straight line is laid with part
Fixed point, CD pipe curve is laid with part and is used as a fixed point at 250-320mm, and uses chock by the two ends of CD pipe
Mouth is stoppered, and will be wound package outside the exposed CD pipe of CD pipe port to reinforcing bar contact position using thermal insulation material.
The chock includes filling lid, clogs and is provided with handle 2 on the outer wall of lid, clogs and is equipped in the middle part of the inner wall of lid
Sealing block 3 is clogged and is equipped with annular electro movable slider 4 on the inner wall of lid, ring pipe 5 is equipped on the outer wall of annular electro movable slider 4,
It is provided with the cleaning brush 6 of helicoidal structure on the inner wall of ring pipe 5, the sealing block 3 is round-like structure, and sealing block 3
Diameter is sequentially reduced from front to back, and manually filling lid is tucked at CD pipe port by handle, and the diameter of sealing block 3 is different,
Can the CD pipe to different size stopper, it can be ensured that the concrete in construction operation will not impact CD pipe, ring
The electronic sliding block 4 of shape controls cleaning brush 6 and is rotated, can be mixed in CD pipe outer wall between filling lid and sealing block 3 to entering
Solidifying soil paste material is cleared up, and applied widely, sealing effect is good.
Step 3: concrete casting
The concrete being stirred uniformly is cast on reinforced frame using material distributing machine, material distributing machine selects new-type drum type brake cloth
Machine selects model JH-200 terrace vibration ruler that concrete is carried out jolt ramming operation.
The pretreatment of step 4:PB pipe
Select non-toxic lubricating oil uniformly to smear the outer wall at PB pipe head and the tail port, smear length for 30~
36MM, selected non-toxic lubricating oil are made of the raw material of following parts by weight: organic silicone oil 50~55, is prevented soya-bean oil 10~12
Corrosive agent 15~18, oxidant 8~10, friction moderator 20~25.
Step 5:PB pipe accesses the processing of CD pipe
PB pipe is inserted into CD pipe, PB pipe remains on same straight line with CD pipe in the center line of interface.
Step 6:PB manages external end processing
Tube-in-tube protective case is provided on PB pipe, the tube-in-tube protective case includes the socket pipe 7 being mounted on PB pipe, set
Guiding sliding sleeve 8 is installed, one end of socket pipe 7 close to CD pipe is equipped with annular slab 9, annular on the inner wall at 7 port of adapter tube
It is equipped on plate 9 along its circumferential direction and is evenly arranged with driver slot, bogie 10 is provided in driver slot, is led on the outer wall of socket pipe 7
It crosses sliding matching mode and driving thread plate 11 is installed, driving thread plate 11 is connected by screw thread engagement system with bogie 10,
The bogie 10 is resisted against on guiding sliding sleeve 8, and guiding sliding sleeve 8 is made of flexible rubber material, bogie 10 and guiding
8 contact position of sliding sleeve is provided with driving auxiliary ball, and the socket pipe 7 is flared structure, and socket pipe 7 is from PB pipe to the pipe side CD
To diameter be sequentially increased, facilitate the connection operation of tube-in-tube protective case, during PB pipe and the access of CD pipe, socket pipe 7 to
The movement of CD pipe direction, guiding sliding sleeve 8 play the role of guiding during the motion, and manual control drives thread plate 11 to carry out
Rotation, control 10 pairs of guiding sliding sleeves 8 of bogie carry out extruding fixation, facilitate PB to manage external end processing, have saved the time.
Step 7: hydraulic pressure test
It is connected using water tester with PB pipe, checks water tester all data, water tester selects Han Pairui
Board full-automatic pressure testing machine, test temperature are 5~30 DEG C, and test pressure is 1~5Mpa, and the testing time is for 24 hours, then unzips to
Normal condition repeats above-mentioned testing procedure, check connecting portion whether leak.
Embodiment:
1:CD manages pre-buried laying:
CD pipe is fixed on to the lower position of the reinforced frame upper reinforcement tied before ground pours, and CD pipe and reinforcing bar
It is mounted side by side, the spacing distance between CD pipe and reinforcing bar is 25~30MM, and the spacing between the CD pipe of the adjacent installation is 100
~150MM.
2:CD pipe is fixed and port is handled:
CD pipe is fixed on reinforcing bar by pipe clamp, it is solid as one at 400-500mm that CD pipe straight line is laid with part
Fixed point, CD pipe curve is laid with part and is used as a fixed point at 250-320mm, and uses chock by the two ends of CD pipe
Mouth is stoppered, and will be wound package outside the exposed CD pipe of CD pipe port to reinforcing bar contact position using thermal insulation material.
3: concrete casting:
The concrete being stirred uniformly is cast on reinforced frame using material distributing machine, material distributing machine selects new-type drum type brake cloth
Machine selects model JH-200 terrace vibration ruler that concrete is carried out jolt ramming operation.
The pretreatment of 4:PB pipe
Select non-toxic lubricating oil uniformly to smear the outer wall at PB pipe head and the tail port, smear length for 30~
36MM, selected non-toxic lubricating oil are made of the raw material of following parts by weight: organic silicone oil 50~55, is prevented soya-bean oil 10~12
Corrosive agent 15~18, oxidant 8~10, friction moderator 20~25.
5:PB pipe accesses the processing of CD pipe
PB pipe is inserted into CD pipe, PB pipe remains on same straight line with CD pipe in the center line of interface.
6:PB manages external end processing
Tube-in-tube protective case is provided on PB pipe.
7: hydraulic pressure test
It is connected using water tester with PB pipe, checks water tester all data, water tester selects Han Pairui
Board full-automatic pressure testing machine, test temperature are 5~30 DEG C, and test pressure is 1~5Mpa, and the testing time is for 24 hours, then unzips to
Normal condition repeats above-mentioned testing procedure, check connecting portion whether leak.
Comparative example:
1: pipeline is laid with
Water pipe is laid on the bubble layer position of the reinforced frame tied up or more.
2: the processing of water pipe both ends
The water inlet port of water pipe is connected on water tank, and water outlet port is connected on tap.
4: pipeline junction reason
Water pipe link position is connected using PPR hot-melt adhesive paste mode.
4: concreting
The concrete being stirred uniformly is cast on reinforced frame using material distributing machine, material distributing machine selects new-type drum type brake cloth
Machine selects model JH-200 terrace vibration ruler that concrete is carried out jolt ramming operation.
5: hydraulic pressure test
It is connected using water tester with water pipe, checks water tester all data, water tester selects Han Pairui
Board full-automatic pressure testing machine, test temperature are 5~30 DEG C, and test pressure is 1~5Mpa, and the testing time is for 24 hours, then unzips to
Normal condition repeats above-mentioned testing procedure, check connecting portion whether leak.
Table 1 is the comparative analysis situation of above-described embodiment and comparative example
It can be seen that a kind of pipeline construction without heating direct insertion connection employed in embodiment from the data in table 1
Method can be greatly lowered pipeline relative to traditional pipeline construction mode and be exposed to the sun the time, it is ensured that pipeline will not be because of reason of being exposed to the sun
Lead to leak, and need connecting component few, is not necessarily to hot-melt adhesive paste pipeline, sealing effect is good, shortens construction period, and will not
Surfacing is damaged, pipeline is can solve and is exposed to the sun for a long time, impaired the problem of seriously leading to leak, pipeline connection needs accessory more,
Potential leak threatens more, and hot-melt adhesive paste seal for pipe joints effect is poor, the problems such as low with working efficiency complicated for operation.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and only illustrating for the description in above embodiments and description is of the invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these change and change
Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
It defines.
Claims (6)
1. a kind of pipeline construction method without heating direct insertion connection, it is characterised in that: include the next steps；
Step 1:CD manages pre-buried laying:
CD pipe is fixed on to the lower position of the reinforced frame upper reinforcement tied before ground pours, and CD pipe and reinforcing bar are side by side
Installation, the spacing distance between CD pipe and reinforcing bar are 25~30MM；
Step 2:CD pipe is fixed and port is handled:
CD pipe is fixed on reinforcing bar by pipe clamp, CD pipe straight line is laid with part and is used as a fixed point at 400-500mm,
CD pipe curve be laid with part every 250-320mm at be used as a fixed point, and use chock by the head and the tail port of CD pipe into
Row stoppers, and will be wound package outside the exposed CD pipe of CD pipe port to reinforcing bar contact position using thermal insulation material；
The chock includes filling lid (1), is provided with handle (2) on the outer wall of filling lid (1), in the inner wall of filling lid (1)
Portion is equipped with sealing block (3), is equipped with annular electro movable slider (4) on the inner wall of filling lid (1), outside annular electro movable slider (4)
It is equipped on wall ring pipe (5), the cleaning brush (6) of helicoidal structure is provided on the inner wall of ring pipe (5)；
Step 3: concrete casting:
The concrete being stirred uniformly is cast on reinforced frame using material distributing machine, material distributing machine selects new-type drum type brake material distributing machine,
Select model JH-200 terrace vibration ruler that concrete is carried out jolt ramming operation；
The pretreatment of step 4:PB pipe
Non-toxic lubricating oil is selected uniformly to smear the outer wall at PB pipe head and the tail port, smearing length is 30~36MM, institute
The non-toxic lubricating oil of selection is made of the raw material of following parts by weight: organic silicone oil 50~55, soya-bean oil 10~12, anticorrosive 15
~18, oxidant 8~10, friction moderator 20~25；
Step 5:PB pipe accesses the processing of CD pipe
PB pipe is inserted into CD pipe, PB pipe remains on same straight line with CD pipe in the center line of interface；
Step 6:PB manages external end processing
Tube-in-tube protective case is provided on PB pipe, the tube-in-tube protective case includes the socket pipe (7) being mounted on PB pipe, socket
Guiding sliding sleeve (8) is installed on inner wall at pipe (7) port, one end of socket pipe (7) close to CD pipe is equipped with annular slab
(9), it is equipped on annular slab (9) along its circumferential direction and is evenly arranged with driver slot, bogie (10), socket pipe are provided in driver slot
(7) driving thread plate (11) is equipped with by sliding matching mode on outer wall, driving thread plate (11) passes through screw thread engagement side
Formula is connected with bogie (10)；
Step 7: hydraulic pressure test
It is connected using water tester with PB pipe, checks water tester all data, water tester selects Han Pairui board complete
Automatic pressure testing machine, test temperature be 5~30 DEG C, test pressure be 1~5Mpa, the testing time be for 24 hours, then unzip to normally
State repeats above-mentioned testing procedure, check connecting portion whether leak.
2. a kind of pipeline construction method without heating direct insertion connection according to claim 1, it is characterised in that: described
Spacing between the CD pipe of adjacent installation is 100~150MM.
3. a kind of pipeline construction method without heating direct insertion connection according to claim 1, it is characterised in that: described
Sealing block (3) is round-like structure, and the diameter of sealing block (3) is sequentially reduced from front to back.
4. a kind of pipeline construction method without heating direct insertion connection according to claim 1, it is characterised in that: described
Thermal insulation material is pipe insulation adhesive tape, and for adhesive tape uniform winding on CD pipe, adhesive tape winding circle number is 8~10 circles.
5. a kind of pipeline construction method without heating direct insertion connection according to claim 1, it is characterised in that: described
Bogie (10) be resisted against guiding sliding sleeve (8) on, guiding sliding sleeve (8) be made of flexible rubber material, bogie (10) with
Guiding sliding sleeve (8) contact position is provided with driving auxiliary ball.
6. a kind of pipeline construction method without heating direct insertion connection according to claim 1, it is characterised in that: described
Socket pipe (7) is flared structure, and socket pipe (7) is sequentially increased from PB pipe to the diameter in CD pipe direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811050673.2A CN109027506B (en) | 2018-09-10 | 2018-09-10 | Pipeline construction method without hot-melting direct-insertion connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811050673.2A CN109027506B (en) | 2018-09-10 | 2018-09-10 | Pipeline construction method without hot-melting direct-insertion connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109027506A true CN109027506A (en) | 2018-12-18 |
| CN109027506B CN109027506B (en) | 2020-02-07 |
Family
ID=64620722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811050673.2A Expired - Fee Related CN109027506B (en) | 2018-09-10 | 2018-09-10 | Pipeline construction method without hot-melting direct-insertion connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109027506B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU821832A1 (en) * | 1979-06-08 | 1981-04-15 | Предприятие П/Я Г-4311 | Pipeline quick-release connection |
| CN201074715Y (en) * | 2007-09-27 | 2008-06-18 | 呼和浩特众环(集团)有限责任公司 | Chuck type joint |
| CN102954623A (en) * | 2011-08-26 | 2013-03-06 | 上海典峰空调设备工程技术有限公司 | Waterproof sealing sleeve construction process for ground source heat pump buried pipe penetrating large bottom plate of building |
| CN104048127A (en) * | 2013-03-11 | 2014-09-17 | 汉拿伟世通空调有限公司 | Crimp Fitting Having Reversed Barbs |
| CN204829103U (en) * | 2015-07-16 | 2015-12-02 | 中国科学院等离子体物理研究所 | Vacuum seal end cap |
| CN105575598A (en) * | 2016-01-15 | 2016-05-11 | 胡妍 | Electric transformer |
| US20160186503A1 (en) * | 2014-12-31 | 2016-06-30 | Cameron International Corporation | Connector system |
| CN107327631A (en) * | 2017-07-25 | 2017-11-07 | 上海安宏建设工程有限公司 | A kind of natural gas pipeline supporting device |
| CN206738780U (en) * | 2017-05-23 | 2017-12-12 | 苏州城发建筑设计院有限公司 | Pipe fitting joint structure |
-
2018
- 2018-09-10 CN CN201811050673.2A patent/CN109027506B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU821832A1 (en) * | 1979-06-08 | 1981-04-15 | Предприятие П/Я Г-4311 | Pipeline quick-release connection |
| CN201074715Y (en) * | 2007-09-27 | 2008-06-18 | 呼和浩特众环(集团)有限责任公司 | Chuck type joint |
| CN102954623A (en) * | 2011-08-26 | 2013-03-06 | 上海典峰空调设备工程技术有限公司 | Waterproof sealing sleeve construction process for ground source heat pump buried pipe penetrating large bottom plate of building |
| CN104048127A (en) * | 2013-03-11 | 2014-09-17 | 汉拿伟世通空调有限公司 | Crimp Fitting Having Reversed Barbs |
| US20160186503A1 (en) * | 2014-12-31 | 2016-06-30 | Cameron International Corporation | Connector system |
| CN204829103U (en) * | 2015-07-16 | 2015-12-02 | 中国科学院等离子体物理研究所 | Vacuum seal end cap |
| CN105575598A (en) * | 2016-01-15 | 2016-05-11 | 胡妍 | Electric transformer |
| CN206738780U (en) * | 2017-05-23 | 2017-12-12 | 苏州城发建筑设计院有限公司 | Pipe fitting joint structure |
| CN107327631A (en) * | 2017-07-25 | 2017-11-07 | 上海安宏建设工程有限公司 | A kind of natural gas pipeline supporting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109027506B (en) | 2020-02-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206608659U (en) | A kind of dilatory pipe quickly connected | |
| CN109610693A (en) | Shear wall connection structure and its construction technology | |
| CN108333109B (en) | Concrete structure internal crack monitoring device and method | |
| CN105951859A (en) | Treatment method of plugging water stop construction for foundation pit dewatering well to penetrate through concrete base plate of basement | |
| CN109253337A (en) | A kind of fast mounting pipe joint device and advanced tubule construction method | |
| CN104805842A (en) | Steel flower pipe segmented grouting system and construction method thereof | |
| CN106801768A (en) | PCCP pipeline socket rings and steel cylinder weld seam Micro blazed-grating handling process have been installed | |
| CN111851599B (en) | House building basement waterproof structure and construction method | |
| CN206874296U (en) | A kind of tunnel hollow bolt grouting device | |
| CN109027506A (en) | A kind of pipeline construction method without heating direct insertion connection | |
| CN208563315U (en) | A kind of pile foundation grouting behind shaft or drift lining constructing device | |
| CN207621485U (en) | A kind of prestressed concrete pipe mounting device | |
| CN110158666A (en) | Building basement top plate subsiding crack plugging structure and its construction method | |
| CN2858775Y (en) | Safety automatic slurring system | |
| CN101701471A (en) | Silt operation device of large-caliber sewage conduit desilting system | |
| CN210105129U (en) | A grout sleeve for steel bar connection for assembly type structure | |
| CN212176341U (en) | Side income formula rainwater fill construction structures | |
| CN204626409U (en) | A kind of steel floral tube segmenting slip casting system | |
| CN104727275B (en) | Method for application of concrete work expansion joint vertical water sealing structure fixing element | |
| CN208996184U (en) | A kind of outdoor rain dirt pipe inspection tool | |
| CN101693244B (en) | Small dredger of sewage pipeline with large pipe diameter | |
| CN205709242U (en) | A kind of cable hank for drainage pipeline TV detection equipment | |
| CN205534685U (en) | PCCP (prestressed concrete cylinder pipe) interface block structure | |
| CN219045419U (en) | Prevent shield and construct section of jurisdiction come-up slip casting structure | |
| CN212507441U (en) | Slip casting pipe interface protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 Termination date: 20210910 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |