CN106195440A - Water supply line construction pipe drawing device and tube drawing construction method - Google Patents
Water supply line construction pipe drawing device and tube drawing construction method Download PDFInfo
- Publication number
- CN106195440A CN106195440A CN201610725168.8A CN201610725168A CN106195440A CN 106195440 A CN106195440 A CN 106195440A CN 201610725168 A CN201610725168 A CN 201610725168A CN 106195440 A CN106195440 A CN 106195440A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- pipeline
- hydraulic cylinders
- drawing device
- hydraulic
- 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
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/022—Extracting or inserting relatively long parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/025—For detaching only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
-
- 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
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/06—Accessories therefor, e.g. anchors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Emergency Lowering Means (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
Water supply line construction pipe drawing device and tube drawing construction method, pipe drawing device includes holding part and drive mechanism tightly, holds part tightly and uses hooping structure, and it is bolted respectively at two ends by two semicircular bands and constitutes；Drive mechanism includes two hydraulic cylinders, two hydraulic cylinders are set in parallel in the same side of hooping structure, the cylinder rod end of two hydraulic cylinders two ends connecting portion with two semicircle bands respectively is formed connected, two hydraulic cylinders are separately fixed on respective oil cylinder bracket, the inner side of the one end stretched out near hydraulic cylinder cylinder rod on each oil cylinder bracket is provided with and can form, with pipeline major part flange, the hanging platform coordinated, and is separately installed with lanyard part at the two ends of each oil cylinder bracket；Two hydraulic cylinders are connected with the oil supply system of peripheral hardware by pipeline respectively.Tube drawing construction method, step is；S1 pipe drawing device is installed and is put in place；S2 opens oil supply system, it is achieved tube drawing.The present invention is not limited by construction site, improves pipeline construction efficiency.
Description
Technical field
The invention belongs to water supply line technical field of construction, execute particularly to water supply line construction pipe drawing device and tube drawing
Work method.
Background technology
Waterline construction links in, be frequently encountered by mounted pipe, short tube, suppress the pipes such as plug join want
Again the problem transferred to.Extracting of this large scale ductile iron pipe, it is common that dependence main equipment such as excavator, loader,
Crane etc. coordinate extracts, operate and bother very much, from time, cost and work efficiency for be very be unfavorable for scene
Construction.It addition, some construction sites cannot be introduced into main equipment, so, the difficulty of tube drawing is further increased.
Summary of the invention
The present invention solves that technical problem present in known technology provides a kind of water supply line construction pipe drawing device
And tube drawing construction method, this pipe drawing device simple in construction, do not limited by construction site, flexible and convenient to use, tube drawing can be reduced
Construction cost, this tube drawing construction method improves pipeline construction efficiency.
The present invention solves that technical problem is adopted the technical scheme that present in known technology:
A kind of water supply line construction pipe drawing device, it is characterised in that: include with tube fit hold tightly part and with hold tightly
The drive mechanism that part connects, described in hold part tightly and use hooping structure, hooping structure is by two semicircular bands at two ends respectively
It is bolted composition；Described drive mechanism uses hydraulic drive mechanism, and it includes two hydraulic cylinders, and two hydraulic cylinders are parallel
Be arranged on the same side of hooping structure, the cylinder rod end of two hydraulic cylinders respectively with the two ends connecting portion shape of two halves circle band
Becoming fixing to connect, two hydraulic cylinders are separately fixed on respective oil cylinder bracket, near hydraulic cylinder on each oil cylinder bracket
The inner side of one end that bar stretches out is provided with and can form, with pipeline major part flange, the hanging platform coordinated, at the two ends of each oil cylinder bracket respectively
Lanyard part is installed；Two hydraulic cylinders are connected with the oil supply system of peripheral hardware by pipeline respectively.
Preferred: two semicircular bands are by band iron materials processing molding.
Preferred: lanyard part uses hanging ring structure or hook structure.
A kind of tube drawing construction method, it is characterised in that have employed the arbitrary described water supply line construction of claim 1-3 and use
Pipe drawing device, the step of tube drawing is:
S1 pipe drawing device is installed and is put in place: first by two semicircular bands under the shape body separated, obvolvent one on the other
On pipeline to be extracted；Then artificial or by small-sized pulling apparatus, by two stay cords, the wherein two ends of a stay cord
Connecting two cylinder brackets and be positioned at two lanyard parts of front end, the two ends of another root stay cord connect two cylinder brackets and are positioned at two extensions of rear end
Two cylinder brackets and two hydraulic cylinder synchronous being arranged on cylinder bracket are transferred to be connected with pipeline to be extracted by rope part
The both sides of fixed-piping, and make the hanging platform on two cylinder brackets be affiliated to coordinate with the major part flange position formation of fixed-piping；?
After by the end of the cylinder rod of two hydraulic cylinders respectively connecting portion with two semicircle band two ends be fixed by bolt
Connecting, the hooping structure simultaneously making two semicircular bands be formed is held tightly on pipeline to be extracted；
S2 pipe drawing device is installed after putting in place, opens oil supply system, two hydraulic cylinder synchronous actions, applies outside to cylinder rod
Release power, two cylinder brackets are limited by the major part flange position of fixed-piping, make two cylinder rods be passed by power by hooping structure
Move on pipeline to be extracted, make pipeline to be extracted obtain an outside pull out force, when the effect being applied to both sides cylinder rod
When power reaches the friction value of tube wall and cushion rubber, pipe is pulled out, and completes tube drawing action.
The present invention has the advantage that with good effect:
This pipe drawing device is mainly made up of anchor ear, two hydraulic cylinders and two cylinder brackets, and overall structure is simple, uses
Time, anchor ear is held tightly on pipeline to be extracted, and two oil cylinders and two cylinder brackets are arranged on and pipeline to be extracted respectively
The both sides of fixed-piping being connected, except outside the hydraulic system that connects, mainly occupy the space in existing pipeline foundation ditch, the most not
Limited by construction site, be there is advantage flexible and convenient to use.This pipe drawing device large-scale sets compared to what existing tube drawing used
Standby, its use cost is relatively low, so, so that it may the construction cost of tube drawing is greatly lowered.The tube drawing using this pipe drawing device is constructed
Method, owing to the installation of pipe drawing device and the operation of tube drawing are more convenient and time saving and energy saving, so, is also greatly improved pipe
The efficiency of line construction.
Accompanying drawing explanation
Fig. 1 is the structural representation that pipe drawing device of the present invention coordinates with water pipeline.
In figure: 1, hold part tightly；1-1, semicircular band；1-2, bolt；2, drive mechanism；2-1, hydraulic cylinder；2-2, oil
Bracket cylinder；2-2-1, hanging platform；2-3, lanyard part；1 ', pipeline to be extracted；2 ', fixed-piping；2-1 ', major part flange.
Detailed description of the invention
For the summary of the invention of the present invention, feature and effect can be further appreciated that, hereby enumerate following example, and coordinate accompanying drawing
Describe in detail as follows:
Refer to Fig. 1, a kind of water supply line construction pipe drawing device, mainly by with tube fit hold tightly part 1 and with armful
Drive mechanism 2 two parts that tight part connects are constituted.
Described part of holding tightly uses hooping structure, and hooping structure is passed through spiral shell respectively by two semicircular band 1-1 at two ends
Bolt 1-2 connects and composes, concrete, and two semicircular bands all arrange outward extending flanging, at the flanging at two ends at two ends
Being provided with bolt hole in part, two semicircular bands are connected formation hooping structure by the flanging at two ends.
Described drive mechanism uses hydraulic drive mechanism, and it includes that two hydraulic cylinder 2-1, two hydraulic cylinders are set in parallel in
The same side of hooping structure, the cylinder rod end of two hydraulic cylinders two ends connecting portion with two halves circle band respectively is formed fixing
Connect, concrete, flat structure is made in the cylinder rod end of two hydraulic cylinders, the cylinder rod end of two hydraulic cylinders is clamped in respectively
The respective side of two semicircular bands coordinates between flanging, after respective side coordinates flanging to be locked by bolt, also achieves
Fixing with cylinder rod end is connected.Two hydraulic cylinders are separately fixed on an oil cylinder bracket 2-2, lean on each oil cylinder bracket
The inner side of one end that nearly hydraulic cylinder cylinder rod is stretched out is provided with and can form, with pipeline major part flange, the hanging platform 2-2-1 coordinated, at each oil
The two ends of bracket cylinder are separately installed with lanyard part 2-3.Two hydraulic cylinders are connected with the oil supply system of peripheral hardware by pipeline respectively, supply
Oil system, with reference to existing hydraulic cylinder oil supply system, mainly includes hydraulic pump, Fuel Tanking Unit, control valve and connecting line, at this
In invention, hydraulic pump preferably employs the gasoline engine hydraulic pump structure of rated pressure 12.5MPA, it is possible to provide bigger power output.
Above-mentioned oil supply system is the most not shown.
In said structure, two semicircular bands are the most preferably by band iron materials processing molding.Concrete, 80*8 can be used
Band iron machine-shaping.
In said structure, lanyard part uses hanging ring structure or hook structure.
A kind of tube drawing construction method, have employed above-mentioned water supply line construction pipe drawing device, and the step of tube drawing is:
S1 pipe drawing device is installed and is put in place: first by two semicircular bands under the shape body separated, obvolvent one on the other
On pipeline to be extracted, concrete, make the tuck portion at two semicircular band two ends align one by one, now on flanging
Bolt hole is also at positive status；Then artificial or by small-sized pulling apparatus, by two stay cords, a wherein stay cord
Two ends connect two cylinder brackets and are positioned at two lanyard parts of front end, and the two ends of another root stay cord connect two cylinder brackets and are positioned at rear end
Two cylinder brackets and two hydraulic cylinder synchronous being arranged on cylinder bracket are transferred to and pipeline 1 ' to be extracted by two lanyard parts
The both sides of fixed-piping 2 ' being connected, i.e. one cylinder bracket and hydraulic cylinder are arranged on the side of fixed-piping, another
Cylinder bracket and another hydraulic cylinder are arranged on the opposite side of fixed-piping, and make the hanging platform on two cylinder brackets and fixed-piping
Major part flange position 2-1 ' formed be affiliated to coordinate；Finally by the end of the cylinder rod of two hydraulic cylinders respectively with two halves circle band
The connecting portion at two ends is fixedly connected by bolt, concrete, the flat end of two cylinder rods is inserted respectively into two halves circular
Band two ends corresponding flanging between, and by connect corresponding two flangings bolt, the flat end of cylinder rod is fixedly clamped, with
Time make two semicircular bands be formed hooping structure hold tightly at pipeline to be extracted；
S2 pipe drawing device is installed after putting in place, opens oil supply system, two hydraulic cylinder synchronous actions, applies outside to cylinder rod
Release power, two cylinder brackets are limited by the major part flange position of fixed-piping, make two cylinder rods be passed by power by hooping structure
Move on pipeline to be extracted, make pipeline to be extracted obtain an outside pull out force, when the effect being applied to both sides cylinder rod
When power reaches the friction value of tube wall and cushion rubber, pipe is pulled out, and completes tube drawing action.
Above-mentioned pipe drawing device and tube drawing construction method, in addition to being applicable to pipeline and extracting, are also applied for suppressing the pipes such as plug and join
Extracting of part.
Use this pipe drawing device, can be after water pipeline bulge test, in the case of not damaging oversleeve, extract pipe or
Person suppresses plug, it is not necessary to main equipment, it is only necessary to simple manual operation, without geographical restrictions, makes construction simplify, and saving sets
Standby, save fund, production efficiency is greatly improved.This pipe drawing device is particularly executed some main equipments are unapproachable
Building site section, has preferably application.
Claims (4)
1. a water supply line construction pipe drawing device, it is characterised in that: include with tube fit hold tightly part and with hold part tightly
Connect drive mechanism, described in hold tightly part use hooping structure, hooping structure is led at two ends respectively by two semicircular bands
Cross bolt to connect and compose；Described drive mechanism uses hydraulic drive mechanism, and it includes two hydraulic cylinders, and two hydraulic cylinders are parallel to be set
Putting the same side at hooping structure, the cylinder rod end of two hydraulic cylinders two ends connecting portion with two halves circle band respectively is formed
Fixing connection, two hydraulic cylinders are separately fixed on respective oil cylinder bracket, near hydraulic cylinder cylinder rod on each oil cylinder bracket
The inner side of the one end stretched out is provided with and can form, with pipeline major part flange, the hanging platform coordinated, and pacifies respectively at the two ends of each oil cylinder bracket
Equipped with lanyard part；Two hydraulic cylinders are connected with the oil supply system of peripheral hardware by pipeline respectively.
Water supply line construction pipe drawing device the most according to claim 1, it is characterised in that: two semicircular bands are equal
By band iron materials processing molding.
Water supply line construction pipe drawing device the most according to claim 1, it is characterised in that: lanyard part uses hanging ring structure
Or hook structure.
4. a tube drawing construction method, it is characterised in that have employed the arbitrary described water supply line of claim 1-3 and construct with pulling out
Pipe device, the step of tube drawing is:
S1 pipe drawing device is installed and is put in place: first by two semicircular bands under the shape body separated, obvolvent is being treated one on the other
On the pipeline extracted；Then artificial or by small-sized pulling apparatus, by two stay cords, wherein the two ends of a stay cord connect
Two cylinder brackets are positioned at two lanyard parts of front end, and the two ends of another root stay cord connect two cylinder brackets and are positioned at two lanyards of rear end
Two cylinder brackets and two hydraulic cylinder synchronous being arranged on cylinder bracket are transferred to and consolidating that pipeline to be extracted is connected by part
The both sides in fixed tube road, and make the hanging platform on two cylinder brackets be affiliated to coordinate with the major part flange position formation of fixed-piping；Finally
The end of the cylinder rod of two hydraulic cylinders is fixed even by bolt with the connecting portion at two semicircle band two ends respectively
Connecing, the hooping structure simultaneously making two semicircular bands be formed is held tightly on pipeline to be extracted；
S2 pipe drawing device is installed after putting in place, opens oil supply system, two hydraulic cylinder synchronous actions, applies outside release to cylinder rod
Power, two cylinder brackets are limited by the major part flange position of fixed-piping, make two cylinder rods power transmission be arrived by hooping structure
On pipeline to be extracted, pipeline to be extracted is made to obtain an outside pull out force, when the active force being applied to both sides cylinder rod reaches
During to the friction value of tube wall and cushion rubber, pipe is pulled out, and completes tube drawing action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610725168.8A CN106195440B (en) | 2016-08-25 | 2016-08-25 | Water supply line construction pipe drawing device and tube drawing construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610725168.8A CN106195440B (en) | 2016-08-25 | 2016-08-25 | Water supply line construction pipe drawing device and tube drawing construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106195440A true CN106195440A (en) | 2016-12-07 |
| CN106195440B CN106195440B (en) | 2018-08-21 |
Family
ID=57524277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610725168.8A Active CN106195440B (en) | 2016-08-25 | 2016-08-25 | Water supply line construction pipe drawing device and tube drawing construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106195440B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223913A (en) * | 2018-03-07 | 2018-06-29 | 山东顺河路桥工程有限公司 | Pipe installing checks auxiliary tool with backfill |
| CN109895027A (en) * | 2019-04-01 | 2019-06-18 | 中建新疆建工（集团）有限公司 | Novel heavy socket pipe tube drawing device |
| CN111911711A (en) * | 2020-07-15 | 2020-11-10 | 谢祥松 | Natural gas energy pipeline laying construction method |
| CN112811350A (en) * | 2021-02-04 | 2021-05-18 | 大连轩泰重工有限公司 | Ascending pipe drawing vehicle |
| CN113202975A (en) * | 2021-05-20 | 2021-08-03 | 中铁隧道局集团有限公司 | Underground obstacle pipeline processing method for urban restricted area |
| CN114211451A (en) * | 2021-10-28 | 2022-03-22 | 上海外高桥造船有限公司 | Pipe drawing device for movable jig frame |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2113598B (en) * | 1981-12-15 | 1985-12-11 | Omega Software | Heat exchanger maintenance |
| JPS61257723A (en) * | 1985-05-04 | 1986-11-15 | Chiyoda Chem Eng & Constr Co Ltd | Extracting and extruding device of pipe bundle |
| JP2010017833A (en) * | 2008-07-14 | 2010-01-28 | Kurimoto Ltd | Pipe joint dismantling device and dismantling method |
| CN201419313Y (en) * | 2009-06-12 | 2010-03-10 | 上海船厂船舶有限公司 | Assembly and disassembly device for ship coupling |
| CN203141057U (en) * | 2012-12-18 | 2013-08-21 | 云南昆钢重型装备制造集团有限公司 | Drawing device |
| CN103612107A (en) * | 2013-11-25 | 2014-03-05 | 河北钢铁股份有限公司邯郸分公司 | Universal tool capable of quickly disassembling various components |
| CN205978809U (en) * | 2016-08-25 | 2017-02-22 | 中国水利水电第十三工程局有限公司 | Pipe drawing device is used in water feeding line construction |
-
2016
- 2016-08-25 CN CN201610725168.8A patent/CN106195440B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2113598B (en) * | 1981-12-15 | 1985-12-11 | Omega Software | Heat exchanger maintenance |
| JPS61257723A (en) * | 1985-05-04 | 1986-11-15 | Chiyoda Chem Eng & Constr Co Ltd | Extracting and extruding device of pipe bundle |
| JP2010017833A (en) * | 2008-07-14 | 2010-01-28 | Kurimoto Ltd | Pipe joint dismantling device and dismantling method |
| CN201419313Y (en) * | 2009-06-12 | 2010-03-10 | 上海船厂船舶有限公司 | Assembly and disassembly device for ship coupling |
| CN203141057U (en) * | 2012-12-18 | 2013-08-21 | 云南昆钢重型装备制造集团有限公司 | Drawing device |
| CN103612107A (en) * | 2013-11-25 | 2014-03-05 | 河北钢铁股份有限公司邯郸分公司 | Universal tool capable of quickly disassembling various components |
| CN205978809U (en) * | 2016-08-25 | 2017-02-22 | 中国水利水电第十三工程局有限公司 | Pipe drawing device is used in water feeding line construction |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223913A (en) * | 2018-03-07 | 2018-06-29 | 山东顺河路桥工程有限公司 | Pipe installing checks auxiliary tool with backfill |
| CN108223913B (en) * | 2018-03-07 | 2023-09-05 | 山东顺河路桥工程有限公司 | Pipeline installation and backfill checking auxiliary tool |
| CN109895027A (en) * | 2019-04-01 | 2019-06-18 | 中建新疆建工（集团）有限公司 | Novel heavy socket pipe tube drawing device |
| CN111911711A (en) * | 2020-07-15 | 2020-11-10 | 谢祥松 | Natural gas energy pipeline laying construction method |
| CN112811350A (en) * | 2021-02-04 | 2021-05-18 | 大连轩泰重工有限公司 | Ascending pipe drawing vehicle |
| CN113202975A (en) * | 2021-05-20 | 2021-08-03 | 中铁隧道局集团有限公司 | Underground obstacle pipeline processing method for urban restricted area |
| CN114211451A (en) * | 2021-10-28 | 2022-03-22 | 上海外高桥造船有限公司 | Pipe drawing device for movable jig frame |
| CN114211451B (en) * | 2021-10-28 | 2023-12-05 | 上海外高桥造船有限公司 | Tube drawing device for adjustable jig frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106195440B (en) | 2018-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106195440A (en) | Water supply line construction pipe drawing device and tube drawing construction method | |
| CN203519351U (en) | Loading device for mooring test | |
| CN109057362A (en) | A kind of Suo Cheng network rope system traction tensioning integral construction method and equipment | |
| CN103741717A (en) | Immersed tunnel flexible joint | |
| CN201588236U (en) | Hydraulic grab for construction of underground continuous wall and grab machine | |
| CN205978809U (en) | Pipe drawing device is used in water feeding line construction | |
| CN108203992A (en) | A kind of assembled underground pipe gallery | |
| CN102561706A (en) | Internal threading method for spatial large-span prestressed steel structure steel strand | |
| CN203654287U (en) | Pile casing pulling device | |
| CN208534487U (en) | Small-bore mire water equilibrium tube equipment slip casting tail sleeve device | |
| CN209339072U (en) | A kind of road sweeper imbitition connecter | |
| CN206987816U (en) | A kind of integrated form slurry pipe-jacking machine pushing tow system | |
| CN204371413U (en) | A kind of highstrenghtpiston's pipe for escaping | |
| CN104455742A (en) | Clamp structure for underwater control cable | |
| CN103411027A (en) | Underground pipeline construction mould | |
| CN203908755U (en) | Flexible joint for immersed tunnel | |
| CN204456112U (en) | One scraps well well casing plucking device | |
| CN203472146U (en) | Hollow jack type steel-plastic composite pipe internal-expansion flaring tool | |
| CN104213628B (en) | Jacking mechanism for underground pipe culvert engineering | |
| CN110145322A (en) | Slip casting tail sleeve and small-bore mire water equilibrium tube equipment | |
| CN202914399U (en) | Inline pump | |
| CN202203598U (en) | Built-in pipeline traction device | |
| CN108083117B (en) | A kind of twin-tub rope telescopic system and crane for realizing the synchronous recycling of boom | |
| CN202100840U (en) | Three-dimensional steel framed composite pipe | |
| CN101339110A (en) | Pipeline pressure testing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 300384 Tianjin Binhai New Area High-tech Zone Huayuan Industrial Area No. 2, 4-2101 Patentee after: China Construction Municipal Construction Group Co., Ltd. Address before: 300384 No. 2, Rongyuan Road, Huayuan Industrial Area, Nankai District, Tianjin 4-2101 Patentee before: Sinohydro Tianjin Engineering Co.,Ltd. |
|
| CP03 | Change of name, title or address |