CN107503333A - A kind of super large caliber penstock installation method - Google Patents
A kind of super large caliber penstock installation method Download PDFInfo
- Publication number
- CN107503333A CN107503333A CN201710676721.8A CN201710676721A CN107503333A CN 107503333 A CN107503333 A CN 107503333A CN 201710676721 A CN201710676721 A CN 201710676721A CN 107503333 A CN107503333 A CN 107503333A
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- Prior art keywords
- chassis
- group
- installation
- penstock
- super large
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of super large caliber penstock installation Technology.Including：Super large caliber penstock field assembly, the tile for splitting into three valves is carried out to adjust circle, group weldering assembling single-unit steel pipe to more piece steel pipe and the stiffening ring that is welded；Group is prefabricated in adit to lay track and transport penstock to installation position by separable chassis to being transported in the adit of steel pipe joint；The location and installation of shaping steel tube, penstock body is adjusted by separable chassis jacking apparatus in installation position and withdrawn to setting height(from bottom) fixation rear chassis, realizes more tube coupling integral installations.It is of the invention effectively to simplify conventional production lines operation layout, simplify and temporary facility is assembled in hole, reduce branch hole and main hole excavated section, reduce tube coupling assembling land area, eliminate finished product and stack land demand, the secondary assembly welding one-shot forming of tube coupling, the weldering of mechanization group improve installation accuracy, eliminate the reliance on local method lifting and turn over, reduce security risk, shorten installation period, reduce installation personnel quantity, investment reduction.
Description
Technical field
The invention belongs to Hydraulic and Hydro-Power Engineering construction technical field, especially belongs to hydroelectric facility mounting technique field,
More particularly to a kind of super large caliber hydrogenerator penstock automated production and mounting technique.
Background technology
Use is multiple to circle platform in factory is conventionally manufactured for penstock, and the tile after blanking is molded hangs flat
Platform, carrying out group circle and adjust to justify using instruments such as press, jointers, then welded by several welders, postwelding carries out nondestructive flaw detection examination,
Hand over riveter to carry out tune circle, stiffening ring installation after qualified, then hand over welder to carry out stiffening ring abutment joint and fillet weld seam.Single-unit produces
Cycle needs 3.5 days, and manufacturer quantity is more, and site area demand is big；Working tunnel, road is needed to meet fortune during installation and transportation
Defeated requirement.
When heavy caliber penstock is conventionally manufactured in hole, tile mounting means needs in advance main hole to be entered to dig, in hole
Build to circle platform, arrange day anchor and the lifting of chassis auxiliary and turn over, single-unit is installed and transported in place, and penstock installation is completed
Afterwards, then platform and chassis are removed, then carries out concrete backfill to digging position.Which typically uses when cast pipe union is installed, its
Aided process is more, and security risk is big, and quality is difficult to control.
The content of the invention
The present invention discloses a kind of super large caliber penstock installation Technology according to the deficiencies in the prior art.The present invention
Solve the problems, such as to be to provide a kind of effectively simplified conventional production lines operation layout, simplify assembling temporary facility arrangement in hole, subtract
Education and correction for juvenile offenders section assembling land area, safer, more efficient super large caliber penstock installation Technology.
The present invention is achieved through the following technical solutions：
Super large caliber penstock installation method, it is characterised in that including following methods：Super large caliber penstock scene
Group is to making, and group in the hole of steel pipe joint to transporting, the location and installation of shaping steel tube；Wherein：
Super large caliber penstock field assembly makes：The tile for splitting into three valves is carried out to adjust circle, group weldering assembling single-unit
Steel pipe, single-unit steel-pipe welding is assembled into plurality of sections of steel pipes group, stiffening ring is carried out in plurality of sections of steel pipes group welding equipment is connect；
Group in the adit of steel pipe joint to transporting：The prefabricated laying track in adit, the penstock that field assembly is made
Transported by separable chassis to installation position；
The location and installation of shaping steel tube：Penstock body is adjusted to peace by separable chassis jacking apparatus in installation position
Dress height, body are integrally fixed rear chassis and withdrawn from, and realize more tube coupling integral installations.
Described to adjust circle, group weldering assembling to use automatic assembly welding equipment, equipment includes body frame, body frame supports rotatable group is to branch
Frame, automatic welder and transport group are to chassis；Body frame is fixed on erecting bed ground；Rotatable group includes to support：By body frame branch
The center of rotation of support, one end is connected with center of rotation, the other end can be connected with steel pipe walls, 12 groups of support beams of radial arrangement, often
Group two side by side, every support beam is provided with the oil cylinder back timber and displacement transducer of adjustable length.
The transport group moves to chassis along track, and track and prefabricated laying track insertion in adit, transport group is to chassis
Including mechanical lift-up tumbler and hydraulic jack.
The support beam adjustable length oil cylinder back timber end is connected by U-shaped card and steel pipe walls.
The separable chassis by mutual separable transfer trolley and Assembling Jack Plane Set into；Transfer trolley leads to including two groups
Cross the walking mechanism of detachable connecting rod connection；Installation chassis is provided with hydraulic jacking device.
The transfer trolley and installation chassis can the track of prefabricated laying moves along adit respectively, adit includes main hole
With branch hole.
The present invention use more valve steel pipe tile group welding structure penstocks, by adjust circle, group weldering assembling equipment carry out single-unit,
More piece automatic assembling welds, and realizes penstock tile in-place forming of secondary assembly welding.
By being installed at transport group to the mechanical lift-up device on chassis, coordinate hydraulic jack, system rotates and submerged arc
Welding machine, reach stiffening ring mechanization to reload request.
Installation site is directly transported to by assembling station using detachable chassis after tube coupling group soldering lattice, realizes no wire saws
Transport and lifting, the more piece saved particularly with first dress assembles and installation, and significant, steel pipe manufacturing installation method of the present invention is not only
Safety is adjusted to steel pipe in place, and speed is fast, and precision is high；Station and installation site are assembled not in same branch for penstock
In hole, penstock can be transported on installation station by coordinating with transfer trolley.
It is using separate type chassis that plurality of sections of steel pipes is overall after more tube coupling groups are welded into entirety by mechanization welding device in hole
It is in place using jacking apparatus jacking installation on chassis after transport is in place, tube coupling installation security risk is reduced, improves penstock peace
Fill efficiency.
Present invention process helpfulness, will using welding device the invention provides a kind of penstock construction and installation technology
Semi-finished product steel pipe tile carries out the automatic assembling welding of single-unit and more piece；Stiffening ring mechanization is carried out to chassis using transport group
Installation；Realize that tube coupling is lifted and transported without elevator using the transfer trolley and installation chassis of separate type chassis；With separable chassis
After more tube coupling steel pipe transmissions that group is welded into one are in place, chassis jacking function is utilized to carry out integrally-regulated location and installation；This hair
It is bright effectively to simplify conventional production lines operation layout, simplify and temporary facility arrangement is assembled in hole, reduce branch hole and main wide open digging
Section, tube coupling assembling land area is reduced, finished product is eliminated and stacks land demand, the secondary assembly welding one-shot forming of tube coupling, machine
The weldering of tool group improves installation accuracy, eliminates the reliance on local method lifting and turns over, reduces security risk, shorten installation period, reduce peace
Fill personnel amount, investment reduction.
Brief description of the drawings
Fig. 1 is welding device of the present invention and transport group to chassis schematic diagram；
Fig. 2 is the transfer trolley and installation chassis schematic diagram of the separable chassis of the present invention；
Fig. 3 is transfer trolley and the three-dimensional signal of the in-orbit road joint working condition of installation chassis of the separable chassis of the present invention
Figure；
Fig. 4 is present invention installation chassis and steel pipe schematic diagram in hole；
Fig. 5 is U-shaped card stationary state structural representation of the present invention；
Fig. 6 is U-shaped card end structure illustration of the present invention.
In figure, 1 is center of rotation, 2 be transport group to chassis, 3 be support beam, and 4 be displacement transducer, and 5 be oil cylinder back timber,
6 be U-shaped card, and 61 be fixing bolt, and 62 be reinforcement, and 7 be automatic soldering device, and 8 be heating plate, and 9 be hydraulic jack, and 10 are
Tumbler is jacked, 11 be installation chassis, and 12 be transfer trolley, and 13 be connecting rod, and 14 be support frame, and 15 be jacking apparatus, and A is top
Beam end structural member, B are penstock walls.
Embodiment
Implementation is specifically installed with some hydropower station penstock below the present invention is further described, the description of embodiment
It is served only for further instruction of the present invention, it is impossible to be interpreted as limiting the scope of the invention, those skilled in the art
Some the nonessential modifications and adaptations made according to the content of foregoing invention fall within the scope of protection of the invention.
With reference to accompanying drawing.
Super large caliber penstock installation method of the present invention utilizes following equipment：Automatic assembly welding equipment, transport group is to chassis
2, including the separable chassis of transfer trolley 12 and installation chassis 11.
Super large caliber penstock installation method of the present invention includes following methods：Super large caliber penstock field assembly system
Make, group in the hole of steel pipe joint to transporting, the location and installation of shaping steel tube；Wherein：
Super large caliber penstock field assembly makes：The tile for splitting into three valves is carried out to adjust circle, group weldering assembling single
Steel pipe is saved, single-unit steel-pipe welding is assembled into plurality of sections of steel pipes group, stiffening ring is carried out in plurality of sections of steel pipes group welding equipment is connect；
Group in the adit of steel pipe joint transport be：The prefabricated laying track in adit, the pressure steel that field assembly is made
Pipe is transported to installation position by separable chassis；
The location and installation of shaping steel tube：Penstock body is adjusted to peace by separable chassis jacking apparatus in installation position
Dress height, body are integrally fixed rear chassis and withdrawn from, and realize more tube coupling integral installations.
Adjust circle, group weldering assembling use automatic assembly welding equipment, equipment include body frame, rotatable group of body frame support to support,
Automatic soldering device 7 and transport group are to chassis 2；Body frame is fixed on erecting bed ground；Rotatable group includes to support：By body frame
The center of rotation 1 of support, one end is connected with center of rotation, the other end can be connected with steel pipe walls, 12 groups of support beams of radial arrangement
3, every group two side by side, every support beam 3 is provided with the oil cylinder back timber 5 and displacement transducer 4 of adjustable length.
Transport group moves to chassis 2 along track, and track wraps with prefabricated laying track insertion, transport group in adit to chassis 2
Include mechanical lift-up tumbler 10 and hydraulic jack 9.
The end of 3 adjustable length oil cylinder back timber of support beam 5 is connected by U-shaped card 6 with steel pipe walls.
Separable chassis is made up of mutual separable transfer trolley 12 and installation chassis 11；Transfer trolley 12 includes two groups
The walking mechanism connected by detachable connecting rod 13；Installation chassis 11 is provided with hydraulic jacking device 15.
Transfer trolley 12 and installation chassis 11 can the track of prefabricated laying moves along adit respectively, adit includes main hole
With branch hole.
Automatic assembly welding system：Penstock tile can be assembled, adjust circle, the automatic assembly welding system of welding, such as Fig. 1
It is shown.
Transport group is to chassis 2：Transported for penstock tile, coordinate automatic assembly welding system group to tile, transport group pair
Chassis 2 sets hydraulic jack 9 and mechanical lift-up tumbler 10 to be installed for stiffening ring mechanization.
Separable chassis includes transfer trolley 12 and installation chassis 11：Transport and install for single or more tube couplings, coordinate
Automatic assembly welding system assembles tube coupling, placement of mechanical jacking apparatus 15 on chassis is separated, transport and install for tube coupling, such as Fig. 2,3
It is shown.
Transfer trolley 12：When penstock assembles station and installation site not in same branch hole, transfer trolley 12 is matched somebody with somebody
Close installation chassis 11 and carry out steel pipe transmission, arrange support frame 14 and detachable connecting rod 13 on transfer trolley 12, can need to carry out
Branch hole carries out vertical deflecting transhipment when transporting, and can also add deflecting by the live structure of connecting rod 13 and transport, as shown in Figure 3.
Specific group is as follows to, installation process：
Penstock tile single-unit or the welding of more piece automatic assembling are realized using automatic assembly welding equipment：Automatic assembly welding equipment
Provided with polyteny, radially detachable support beam 3, the end of support beam 3 are provided with oil cylinder back timber 5 and are used for tile assembling, adjust circle.Propping up
Support beam 3 and be provided with 24 corresponding two-by-two displacement transducers 4, each displacement transducer 4 converges data restrained stretching and adjusts circle, makes tile
To dress group pair and adjustment circularity, when transport group transports tile under automatic assembly welding equipment to chassis 2, by transport group to chassis
2 jacking regulations and the regulation of support beam control mode, make tile radian reach requirement.
As shown in Figure 5, Figure 6, the U-shaped card 6 of bolt 61 is fixed with band by tile and back timber strong bonded, you can ensures steel pipe
Internal diameter size controls, and has the safety that can guarantee that tile in the case where revolving dummy status.In figure, U-shaped card 6 is a U-shaped knot for having reinforcement 62
Component, U-shaped structure set bolt to fix with side, in use, by penstock axially by steel pipe walls B and the end of oil cylinder back timber 5
Structural member A embedded U-shaped card 6 and be fastened and fixed bolt 61 simultaneously.
After the radian and relative position of first tile are fixed, first tile is rotated 120 ° by automatic assembly welding device, the
Two same programs of tile are adjusted in place, and the joint welding both ends between tile are aligned, and welding electrode or gas are protected by hand
Solder joint solid welding is determined, and the 3rd tile is adjusted according still further to the method.Full circle is utilized after adjusting circle qualified and is arranged in automatic assembly welding equipment
Automatic soldering device 7 carry out submerged arc welding, welding procedure is first formulated before welding, according to qualified welding procedure specification (WPS) progress
Welding.Dehydrogenation is carried out to weld seam using heating plate 8 after welding.
Stiffening ring mechanization connects to welding equipment：Stiffening ring on tube coupling is pushed up using transport group is installed to the machinery on chassis 2
Device 10 is risen, the burst of hydraulic jack 9 jacks up stiffening ring and is close to tube wall, and system rotates after reinforcing, while transport group is to platform
Car 2 promote screw mandrel rotate, promote chassis on stiffening ring reach installation site, under starting a piece of stiffening ring to dress, to all it is complete
Into.After assembling submerged arc welding is carried out with the automatic soldering device 7 being arranged in automatic assembly welding equipment.
Installation is transported and lifted without wire saws in penstock hole：The installation chassis 11 of detachable chassis can will assemble work
Position and installation site pressure steel pipe transmission, installation in same branch hole；Separable chassis include two can independent running mechanism, turn
Chassis 12 and installation chassis 11 are transported, installs and two mechanical lift-up devices 15 is set on chassis 11, tube coupling height can be lifted.Group weldering
Tube coupling afterwards can be placed directly on installation chassis 11 and be transported.
When transfer trolley 12 is that penstock assembles station and installation site not in same branch hole, coordinate installation chassis 11
Carry out steel pipe transmission.Transfer trolley 12 is divided to for two symmetrical independent ambulation structures, and two support frames 14 are set in each mechanism, can
To fix tube coupling, two symmetrical independent ambulation structure stands set 2 detachable connecting rods 13.
In adit during installation, chassis 11 is installed first and loads tube coupling along track travel, install the track of chassis 11 with
The track of transfer trolley 12 intersects in branch hole junction, in installation chassis 11 before transfer trolley 12, installs chassis 11 by tube coupling
Rise, 12 liang of structures of transfer trolley are separated from each other by connecting rod, after chassis 11 to be installed enters transfer trolley 12, transfer trolley 12
Close, installation chassis 11 declines tube coupling height, tube coupling is leaned against on the support frame 14 of transfer trolley 12, and installation 11 liang of structures of chassis are kept away
The running track of transfer trolley 12 is opened, is advanced after 12 liang of fixed connecting rods 13 of mechanism installation of transfer trolley along track.If also branch hole,
Arrangement installation chassis 11 and track again, tube coupling on transfer trolley 12 is placed on installation chassis 11 and transported.
More tube coupling integral installations：In hole the especially first section group of multiple tube couplings is welded into first with automatic assembly welding equipment whole
Body, trolley track is laid, be by plurality of sections of steel pipes whole Transporting to installation site, multi-functional installation chassis 11 using chassis 11 is installed
Two detachable independent running mechanisms, jacking apparatus 15 is installed in each mechanism, using installing jacking apparatus 15 on chassis 11
Tube coupling is adjusted to setting height(from bottom), body is integrally fixed, and installation chassis 11 is withdrawn from, and realizes more tube coupling integral installations.
Claims (6)
1. a kind of super large caliber penstock installation method, it is characterised in that including following methods：Super large caliber penstock shows
Field group is to making, and group in the hole of steel pipe joint to transporting, the location and installation of shaping steel tube；Wherein：
Super large caliber penstock field assembly makes：The tile for splitting into three valves is carried out to adjust circle, group weldering assembling single-unit steel pipe,
Single-unit steel-pipe welding is assembled into plurality of sections of steel pipes group, stiffening ring is carried out in plurality of sections of steel pipes group welding equipment is connect；
Group in the adit of steel pipe joint to transporting：The prefabricated laying track in adit, the penstock that field assembly makes is passed through
Separable chassis is transported to installation position；
The location and installation of shaping steel tube：Penstock body is adjusted to installation height by separable chassis jacking apparatus in installation position
Degree, body are integrally fixed rear chassis and withdrawn from, and realize more tube coupling integral installations.
2. super large caliber penstock installation method according to claim 1, it is characterised in that：It is described to adjust circle, group weldering group
Dress uses automatic assembly welding equipment, and equipment includes body frame, body frame supports rotatable group is to support, automatic soldering device and transport group
To chassis；Body frame is fixed on erecting bed ground；Rotatable group includes to support：By body frame support center of rotation, one end with
Center of rotation connection, the other end can be connected with steel pipe walls, 12 groups of support beams of radial arrangement, every group two side by side, every support
Beam is provided with the oil cylinder back timber and displacement transducer of adjustable length.
3. super large caliber penstock installation method according to claim 2, it is characterised in that：The transport group is to chassis
Moved along track, track includes mechanical lift-up tumbler and liquid with prefabricated laying track insertion, transport group in adit to chassis
Press jack.
4. super large caliber penstock installation method according to claim 2, it is characterised in that：The support beam can adjust
Length oil cylinder back timber end is connected by U-shaped card and steel pipe walls.
5. super large caliber penstock installation method according to claim 1, it is characterised in that：The separable chassis by
Mutual separable transfer trolley and Assembling Jack Plane Set into；Transfer trolley includes two groups of vehicle with walking machine connected by detachable connecting rod
Structure；Installation chassis is provided with hydraulic jacking device.
6. super large caliber penstock installation method according to claim 5, it is characterised in that：The transfer trolley and peace
Fill chassis can the track of prefabricated laying moves along adit respectively, adit includes main hole and branch hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710676721.8A CN107503333A (en) | 2017-08-09 | 2017-08-09 | A kind of super large caliber penstock installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710676721.8A CN107503333A (en) | 2017-08-09 | 2017-08-09 | A kind of super large caliber penstock installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107503333A true CN107503333A (en) | 2017-12-22 |
Family
ID=60689766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710676721.8A Pending CN107503333A (en) | 2017-08-09 | 2017-08-09 | A kind of super large caliber penstock installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107503333A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183743A (en) * | 2018-11-02 | 2019-01-11 | 中国水利水电第三工程局有限公司 | Penstock crosses the slewing equipment and method of intersection in a kind of hole |
| CN110593906A (en) * | 2019-09-30 | 2019-12-20 | 中交第二航务工程局有限公司 | Horizontal splicing vertical rotation combined construction system and method for circular strip steel lining tunnel |
| CN110977875A (en) * | 2020-01-07 | 2020-04-10 | 四川尚扬机电设备有限公司 | Pressure steel pipe tile assembled group circle supports automation equipment |
| CN111287772A (en) * | 2019-09-30 | 2020-06-16 | 中交第二航务工程局有限公司 | Circular strip steel lining tunnel device and construction method |
| CN112809308A (en) * | 2021-02-22 | 2021-05-18 | 中国水利水电第四工程局有限公司 | In-hole pressure steel pipe pile section automatic weld auxiliary device |
| CN113001092A (en) * | 2021-02-02 | 2021-06-22 | 中国水电四局（兰州）机械装备有限公司 | Six-equal-division steel pipe stiffening ring assembling equipment |
| CN113733029A (en) * | 2021-09-03 | 2021-12-03 | 中国水电四局（兰州）机械装备有限公司 | Automatic circle of transferring of penstock adds strength ring assembly fixture |
| CN114654157A (en) * | 2022-03-18 | 2022-06-24 | 中国水电四局（兰州）机械装备有限公司 | Low-cost welding device for stiffening ring of pressure steel pipe |
| CN115807412A (en) * | 2022-11-29 | 2023-03-17 | 中国电建集团成都勘测设计研究院有限公司 | Intelligent installation method for large-diameter pressure steel pipe in hole |
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| CN202539281U (en) * | 2012-04-18 | 2012-11-21 | 葛洲坝集团第二工程有限公司 | Circle adjusting frame for manufacturing steel pressure pipe |
| CN103047478A (en) * | 2013-01-21 | 2013-04-17 | 葛洲坝集团第二工程有限公司 | In-hole sectioning installation method for penstocks with overlarge diameters |
| CN203623675U (en) * | 2013-12-20 | 2014-06-04 | 中国水利水电第三工程局有限公司 | Penstock transportation trolley in hole |
| CN204934253U (en) * | 2015-09-07 | 2016-01-06 | 中国葛洲坝集团股份有限公司 | Penstock is facilitated to adjust the device of circle |
-
2017
- 2017-08-09 CN CN201710676721.8A patent/CN107503333A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202539281U (en) * | 2012-04-18 | 2012-11-21 | 葛洲坝集团第二工程有限公司 | Circle adjusting frame for manufacturing steel pressure pipe |
| CN103047478A (en) * | 2013-01-21 | 2013-04-17 | 葛洲坝集团第二工程有限公司 | In-hole sectioning installation method for penstocks with overlarge diameters |
| CN203623675U (en) * | 2013-12-20 | 2014-06-04 | 中国水利水电第三工程局有限公司 | Penstock transportation trolley in hole |
| CN204934253U (en) * | 2015-09-07 | 2016-01-06 | 中国葛洲坝集团股份有限公司 | Penstock is facilitated to adjust the device of circle |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183743A (en) * | 2018-11-02 | 2019-01-11 | 中国水利水电第三工程局有限公司 | Penstock crosses the slewing equipment and method of intersection in a kind of hole |
| CN109183743B (en) * | 2018-11-02 | 2023-11-17 | 中国水利水电第三工程局有限公司 | Rotary device and method for steel pipe passing through intersection in hole |
| CN111287772B (en) * | 2019-09-30 | 2021-07-30 | 中交第二航务工程局有限公司 | Circular strip steel lining tunnel device and construction method |
| CN111287772A (en) * | 2019-09-30 | 2020-06-16 | 中交第二航务工程局有限公司 | Circular strip steel lining tunnel device and construction method |
| CN110593906A (en) * | 2019-09-30 | 2019-12-20 | 中交第二航务工程局有限公司 | Horizontal splicing vertical rotation combined construction system and method for circular strip steel lining tunnel |
| CN110977875A (en) * | 2020-01-07 | 2020-04-10 | 四川尚扬机电设备有限公司 | Pressure steel pipe tile assembled group circle supports automation equipment |
| CN113001092A (en) * | 2021-02-02 | 2021-06-22 | 中国水电四局（兰州）机械装备有限公司 | Six-equal-division steel pipe stiffening ring assembling equipment |
| CN113001092B (en) * | 2021-02-02 | 2023-01-06 | 中国水电四局（兰州）机械装备有限公司 | Six-equal-division steel pipe stiffening ring assembling equipment |
| CN112809308A (en) * | 2021-02-22 | 2021-05-18 | 中国水利水电第四工程局有限公司 | In-hole pressure steel pipe pile section automatic weld auxiliary device |
| CN113733029A (en) * | 2021-09-03 | 2021-12-03 | 中国水电四局（兰州）机械装备有限公司 | Automatic circle of transferring of penstock adds strength ring assembly fixture |
| CN114654157A (en) * | 2022-03-18 | 2022-06-24 | 中国水电四局（兰州）机械装备有限公司 | Low-cost welding device for stiffening ring of pressure steel pipe |
| CN114654157B (en) * | 2022-03-18 | 2024-04-19 | 中国水电四局（兰州）机械装备有限公司 | Low-cost pressure steel pipe stiffening ring welding device |
| CN115807412A (en) * | 2022-11-29 | 2023-03-17 | 中国电建集团成都勘测设计研究院有限公司 | Intelligent installation method for large-diameter pressure steel pipe in hole |
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Application publication date: 20171222 |
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| RJ01 | Rejection of invention patent application after publication |