CN107186372B - A kind of manufacture installation method of penstock pressure stabilizing damping body - Google Patents
A kind of manufacture installation method of penstock pressure stabilizing damping body Download PDFInfo
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- CN107186372B CN107186372B CN201710534976.0A CN201710534976A CN107186372B CN 107186372 B CN107186372 B CN 107186372B CN 201710534976 A CN201710534976 A CN 201710534976A CN 107186372 B CN107186372 B CN 107186372B
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- pressure stabilizing
- damping body
- manufacturing cell
- stabilizing damping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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Abstract
The invention discloses a kind of manufacture installation method of penstock pressure stabilizing damping body, solves water delivery pressure pipeline in the prior art and structure is complicated, bulky weight weight, the problem for being not easy manufacture installation for the vibration problem of valve and pressure stabilizing damping body thereon.Penstock pressure stabilizing damping body of the present invention includes shell, the inner support girder system welded with the inner wall of shell, and is welded in the outsourcing girder system of housing exterior walls.Manufacture installation method of the invention is that pressure stabilizing damping body is divided into several piecemeal manufacturing cells, assembly construction, transport and lifting are completed in the form of piecemeal manufacturing cell, piecemeal manufacturing cell is welded to connect in lock chamber, complete the self-contained welding of pressure stabilizing damping body, poling installation is carried out again, is finally welded to connect with water delivery penstock and branch's bifurcated pipe.
Description
Technical field
The invention belongs to penstock mounting technique fields, are related to a kind of system of penstock pressure stabilizing damping body in power station
Make installation method.
Background technique
With the construction of more and more hydroelectric projects, penstock water-carriage system is widely used.To solve multiple branch circuit
Summarize water delivery problem, setting up on penstock has branch's bifurcated pipe structure.When water flow with pressure in steel pipe is pooled to bifurcated pipe, due to converging
The pressure fluctuation and change of flow state of flowing water be easy to cause the cavitation erosion of the cavitation of penstock and pipe valve and larger vibration noise,
Seriously affect the operational safety of water conveyance steel tube and pipe valve.
Therefore, a kind of novel pressure steel pipe pressure stabilizing damping body is devised to replace traditional branch's bifurcated pipe structure, to have
Effect solves water delivery pressure pipeline and the thereon vibration problem of valve.Since structure is complicated, bulky weight for the pressure stabilizing damping body
How weight, realize its manufacture and installation is field technician's practical problem urgently to be solved.
Summary of the invention
Present invention solves the technical problem that: a kind of manufacture installation method of penstock pressure stabilizing damping body is provided, is solved existing
There are the manufacture installation question and water delivery pressure pipeline and the noise and vibration problem of valve thereon of pressure stabilizing damping body in technology.
The technical solution adopted by the invention is as follows:
The pressure stabilizing damping body is divided into several piecemeals by a kind of manufacture installation method of penstock pressure stabilizing damping body
Manufacturing cell completes assembly construction, transport and lifting in the form of piecemeal manufacturing cell, and the piecemeal is manufactured list in lock chamber
Member be welded to connect, complete the self-contained welding of the pressure stabilizing damping body, then carry out poling installation, finally with water delivery penstock and point
The welded connecting of branch bifurcated pipe.
Further, the manufacture installation method specifically includes the following steps:
Step 1: the design partition of piecemeal manufacturing cell: Computerized three-dimensional assistant analysis is used, by the pressure stabilizing damping body
It is divided into six piecemeal manufacturing cells；
Step 2: assembly construction in the factory of piecemeal manufacturing cell: laying manufacture platform for lining in factory, completes described point
Assembly construction in the factory of block manufacturing cell, and piecemeal manufacturing cell is hoisted to binding and fixing on transporting equipment, make the piecemeal
Manufacturing cell reaches the size of transport and limit requires；
Step 3: transport: piecemeal manufacturing cell being transported to water-carriage system main equipment room；
Step 4: in lock indoor deployments assembly platform, according to installation position successively by most inboard Liang Ge piecemeal manufacturing cell
It is hoisted on the assembly platform, its welding is connected in the first component masses manufacturing cell after adjustment contraposition, by first component
The installation site of the block manufacturing cell assembly platform end and accurate positioning；
Step 5: installation position being hoisted on the assembly platform in intermediate Liang Ge piecemeal manufacturing cell, adjustment contraposition
Welding is connected in the second component masses manufacturing cell afterwards, by second component masses manufacturing cell assembly platform end,
And a group weldering is carried out after adjusting with the first component masses manufacturing cell contraposition in step 4, form semi-finished product pressure stabilizing damping body；
Step 6: the Liang Ge piecemeal manufacturing cell of installation position on the outside is hoisted on the assembly platform, it is adjusted right
Welding is connected in third component block manufacturing cell behind position, by the third component block manufacturing cell assembly platform end
End, and a group weldering is carried out again after adjusting with the semi-finished product pressure stabilizing damping body contraposition for organizing postwelding in step 5, complete the pressure stabilizing damping body
Self-contained welding, so that whole piecemeal manufacturing cells is connected；
Step 7: the pressure stabilizing damping body being welded self-contained in step 6 being down on the buttress of bottom first, is translated and poling arrives
Then the pressure stabilizing damping body and water delivery penstock and branch's bifurcated pipe are distinguished wielding neck by position, complete pressure stabilizing vibration damping later
The support of body bottom and the reinforcing of surrounding are welded, and remaining mass is checked and accepted.
Further, in the step 1, method that the pressure stabilizing damping body is divided into six piecemeal manufacturing cells are as follows: will
The pressure stabilizing damping body is longitudinal sectional at trisection according to the pressure stabilizing damping body water (flow) direction, and each equal part is according still further to vertical described steady
It presses damping body water (flow) direction crosscutting at two equal parts, is divided into six piecemeal manufacturing cells in total.
Further, in the step 2, the sequence of assembly construction in the factory of the piecemeal manufacturing cell are as follows: welding first
Shell, then assembly inner support girder system, last assembly outsourcing girder system are examined when welding completion, weld appearance quality and internal soundness
After testing qualification, then the pre-splicing inspection that made annealing treatment and dispatched from the factory.
Further, in the step 4, when the assembly platform is arranged, the assembly platform prolongs below hanging object hole
Pressure stabilizing damping body installation site is extended to, assembly platform height meets the welding requirements of pressure stabilizing damping body bottom welding seam；Assembly platform
Before installation, the installation and concreting of pressure stabilizing damping body support embedded part are first completed.
Further, in the step 4- step 6, on the assembly platform welding placement position of piecemeal manufacturing cell with
Final installation site is corresponding, and before piecemeal manufacturing cell described in every group is traversing, interval is laid with rolling between its bottom and assembly platform
Thick stick, the main collar tie beam in outside of the pressure stabilizing damping body are equipped with support bracket, and the displacement of piecemeal manufacturing cell described in monolithic may be selected
In front using traction machine travel, also may be selected to be promoted at rear with hydraulic jack.
Further, assembly platform is set in lock chamber, and lock chamber is connected by upstream side wall, Zuo Qiang, downstream side wall and right wall head and the tail
It connects to enclose and set, upstream side wall and downstream side wall are set relatively, and Zuo Qiang and right wall are set relatively；
Assembly platform includes that quantity is at least two and the main beam of parallel equidistant distribution, quantity are at least two and parallel
The main longitudinal grider and quantity being equally spaced are at least the secondary stringer of two and parallelly distribute on, main beam be parallel to upstream side wall and
Downstream side wall, main longitudinal grider and time stringer are alternately distributed, and it is vertical with main beam fix, one end of main beam is equipped with the side Zuo Qiang
Base plate, main beam are fixed by the side Zuo Qiang base plate and left wall, and one end of main longitudinal grider is equipped with downstream wall side base plate, main longitudinal grider
It is fixed by downstream wall side base plate with downstream side wall, main beam bottom is equidistantly equipped with more than two for consolidating main beam level
Due to the bottom base plate on ground；
Assembly platform further includes expansion bolt, is equipped on downstream wall side base plate, the side Zuo Qiang base plate and bottom base plate
The through-hole to match with expansion bolt, downstream wall side base plate, the side Zuo Qiang base plate and bottom base plate are by being arranged in through-hole
In expansion bolt be individually fixed on downstream side wall, left wall and ground.
Further, main beam is H profile steel；
Main longitudinal grider is connected by two sections or more segmentation channel steel head and the tail straight lines to be formed, be segmented the end of channel steel respectively with main beam
It is linked to be whole main longitudinal grider behind top flange plate bottom edge and web welding, one end of whole main longitudinal grider and downstream wall side base plate weld
It connects, top flange plate bottom edge and web vertical welding of the other end with the main beam near upstream side wall；
Secondary stringer is connected by two sections or more segmentation channel steel head and the tail straight lines to be formed, be segmented the end of channel steel respectively with main beam
It is linked to be whole secondary stringer, one end of whole stringer and the master near downstream side wall behind top flange plate bottom edge and web welding
The top flange plate bottom edge of crossbeam and web vertical welding, the top flange plate bottom of the other end and the main beam near upstream side wall
Side and web vertical welding.
Further, main longitudinal grider and time stringer separate fixed main beam jointly to form rigid fenestral fabric body；
Quadrangle is located at there are four being respectively provided on each downstream wall side base plate, the side Zuo Qiang base plate and bottom base plate
Through-hole, each through-hole are matched with an expansion bolt.
Compared with prior art, the device have the advantages that are as follows:
The manufacture installation method of penstock pressure stabilizing damping body of the invention is easy to operate, and the accuracy of manufacture is high, Forming Quality
It is good, it can fully ensure that working security, save equipment investment, reduce cost.
The present invention is optimized using Computerized three-dimensional assistant analysis, and pressure stabilizing damping body is divided into jointing and blocking blocking system
It makes, the transport and hanging device for solving super-big and overweight part are limited technical problem.
Piecemeal manufacturing cell ensure that the relative fullness of pressure stabilizing damping body structure, can carry out pipeline in unit, structure
It is integrated installation, project amount is concentrated mainly in factory, is conducive to improve the accuracy of manufacture and Forming Quality；Reduce scene
Workload, construction efficiency greatly improve.
Piecemeal, which transports, reduces the difficulty of hauling operation, piecemeal manufacturing cell is carried out after welding is one group two-by-two it is traversing,
Conducive to the stability and working security for guaranteeing pressure stabilizing damping body structure；
Pressure stabilizing damping body piecemeal and whole displacement are controlled by traction or hydraulic device and rolling bar and decline adjusts, and are rolled
Coefficient of friction is small and structure stress uniform and stable, installation site accurate positioning, safety coefficient height realize in deep low spatial valve chamber
The smooth installation of super-big and overweight structural body saves large lifting equipment investment, remarkable in economical benefits.
Assembly platform structure of the present invention is simple, and design is scientific and reasonable, and the smooth safety for being able to achieve deep low spatial great good is moved
Dynamic, carrying weight is securely and reliably, reusable.
Assembly platform of the present invention passes through the integrated tooling structure that the girder system arranged in length and breadth is formed, for deep low spatial great good
Installation and transhipment provide flat support and shift paths, are conducive to disperse load, realize the smooth safety moving of great good just
Position.
Assembly platform of the present invention realizes the fixation of tooling by downstream wall side base plate, the side Zuo Qiang base plate, bottom base plate
Positioning, uniform stressed.
Assembly platform of the present invention by spaced main longitudinal grider, secondary longitudinal beam structure, strengthen tooling overall stiffness and
Stability can be realized the installation dimension adjustment and essence in the direction of levelness and height in length and breadth of great good in conjunction with traction push-pull device
It is really in place, meet the installation requirements such as big great good installation dimension, bearing capacity weight, stress equalization, safe and efficient, it is reusable,
Be conducive to investment reduction, time saving and energy saving, economical and practical.
Detailed description of the invention
Fig. 1 is structure of the invention and installation position top view.
Fig. 2 is side view of the present invention.
Fig. 3 is assembly platform structural schematic diagram of the invention.
Fig. 4 is assembly platform top view of the invention.
Fig. 5 is assembly platform side view of the invention.
Fig. 6 is piecemeal manufacturing cell translation docking schematic diagram of the invention.
Wherein, the corresponding title of appended drawing reference are as follows: 1- main beam, 2- main longitudinal grider, 3- stringer, the side 4- Zuo Qiang base plate,
The bottom 5- base plate, 6- through-hole, the downstream 7- wall side base plate, 8- expansion bolt, the upstream 9- side wall, the downstream 10- side wall, the left wall of 11-,
The right wall of 12-, 13- installation alignment mouth, 14- shell, 15- inner support girder system, 16- outsourcing girder system, 17- water inlet pipe, 18- filling valve,
19- outlet pipe, 20- venthole.
Specific embodiment
The invention will be further described with embodiment for explanation with reference to the accompanying drawing, and mode of the invention includes but not only limits
In following embodiment.
Embodiment 1
As shown in Figs. 1-2, a kind of penstock pressure stabilizing damping body, including shell 14, be located in the shell 14 and with institute
The inner support girder system 15 of the inner wall welding of shell 14 is stated, and is welded in 14 outer wall of shell and grid-shaped outsourcing girder system
16；Venthole 20 is equipped at the top of the shell 14,14 downstream side of shell is equipped with and is connected to the inner cavity of the shell 14
Water outlet, three water inlets being connected to the inner cavity of the shell 14 are equidistantly equipped in 14 upstream side of shell, it is described
Inner support girder system 15 is in lattice-shaped, there is four column, is equally spaced in the shell 14, and the water flow side in the shell 14
To setting.Three water inlets pass through three filling valves 18 respectively and connect with water inlet steel pipe, the water outlet and water outlet steel pipe
Connection.
Penstock pressure stabilizing damping body of the invention in use, the water flows with pressure in three water inlet steel pipes of upstream by water-filling
Valve 18 enters pressure stabilizing damping body, and collects in pressure stabilizing damping body, and the water flow after collecting enters water outlet steel pipe by water outlet.Upstream
Three water inlet steel pipes through filling valve 18 connect pressure stabilizing damping body, substitute conventional tee tube structure, reduce confluence water pressure
Power pulsation and change of flow state solve the vibration problem of branch's bifurcated pipe and valve under larger turbulent flow.
Embodiment 2
As shown in figures 1 to 6, a kind of manufacture installation method of penstock pressure stabilizing damping body, the manufacture installation method will be described
Pressure stabilizing damping body is divided into several piecemeal manufacturing cells, and assembly construction is completed in the form of piecemeal manufacturing cell, transports and hangs
The piecemeal manufacturing cell is welded to connect in lock chamber, completes the self-contained welding of the pressure stabilizing damping body, then carry out poling by dress
Installation, finally with the welded connecting of water delivery penstock and branch's bifurcated pipe.
The manufacture installation method specifically includes the following steps:
Step 1: the design partition of piecemeal manufacturing cell: Computerized three-dimensional assistant analysis is used, by the pressure stabilizing damping body
It is divided into six piecemeal manufacturing cells；
Step 2: assembly construction in the factory of piecemeal manufacturing cell: laying manufacture platform for lining in factory, completes described point
Assembly construction in the factory of block manufacturing cell, and piecemeal manufacturing cell is hoisted to binding and fixing on transporting equipment, make the piecemeal
Manufacturing cell reaches the size of transport and limit requires；
Step 3: transport: piecemeal manufacturing cell being transported to water-carriage system main equipment room；
Step 4: in lock indoor deployments assembly platform, according to installation position successively by most inboard Liang Ge piecemeal manufacturing cell
It is hoisted on the assembly platform, its welding is connected in the first component masses manufacturing cell after adjustment contraposition, by first component
The installation site of the block manufacturing cell assembly platform end and accurate positioning；
Step 5: installation position being hoisted on the assembly platform in intermediate Liang Ge piecemeal manufacturing cell, adjustment contraposition
Welding is connected in the second component masses manufacturing cell afterwards, by second component masses manufacturing cell assembly platform end,
And a group weldering is carried out after adjusting with the first component masses manufacturing cell contraposition in step 4, form semi-finished product pressure stabilizing damping body；
Step 6: the Liang Ge piecemeal manufacturing cell of installation position on the outside is hoisted on the assembly platform, it is adjusted right
Welding is connected in third component block manufacturing cell behind position, by the third component block manufacturing cell assembly platform end
End, and a group weldering is carried out again after adjusting with the semi-finished product pressure stabilizing damping body contraposition for organizing postwelding in step 5, complete the pressure stabilizing damping body
Self-contained welding, so that whole piecemeal manufacturing cells is connected；
Step 7: the pressure stabilizing damping body being welded self-contained in step 6 being down on the buttress of bottom first, is translated and poling arrives
Then the pressure stabilizing damping body and water delivery penstock and branch's bifurcated pipe are distinguished wielding neck by position, complete pressure stabilizing vibration damping later
The support of body bottom and the reinforcing of surrounding are welded, and remaining mass is checked and accepted.
In step 1, the method that the pressure stabilizing damping body is divided into six piecemeal manufacturing cells are as follows: by the pressure stabilizing vibration damping
Body is longitudinal sectional at trisection according to the pressure stabilizing damping body water (flow) direction, and each equal part is according still further to the vertical pressure stabilizing damping body water flow
Direction is crosscutting at two equal parts, is divided into six piecemeal manufacturing cells in total.The division of the piecemeal manufacturing cell is hung according to installation
Object pore size and traffic condition determine that jigsaw blanking uses computer graphics Computer Aided Design, are conducive to save material and reduce to return
Work processing.
In step 2, in the factory of the piecemeal manufacturing cell assembly construction sequence are as follows: welding shell 14 first, then
Assembled inner support girder system 15, last assembly outsourcing girder system 16, when welding is completed, weld appearance quality and testing for internal quality are qualified
Afterwards, then the pre-splicing inspection that made annealing treatment and dispatched from the factory.Stress is influenced to avoid hull plate assembly cross weld seam, in piecemeal point
Use the fissure of displacement technique when seam, abutment joint and combinated seam are staggered 200-300mm distance.
Shell 14 expands into foreboard, back plate, bottom plate, top plate, rased panel and left and right side plate by section, carries out discharge respectively
Welding.15 structure of inner support girder system is welded as entirety with 14 inner wall of shell respectively, and the outsourcing girder system 16 is crossed by technique respectively
It is integral with 14 steel plate outer surface welding equipment of shell, the shell 14 and inner support girder system 15, outsourcing girder system 16 butt weld or
Fillet weld is required to welding penetration.
When annealing, 620 DEG C being warming up to by defined annealing temperature curve and keeps constant temperature, constant temperature time is not less than 3
Hour, heat preservation starts cooling down as required after reaching regulation.Again the piecemeal manufacturing cell after annealing is transported back assembly
It carries out dispatching from the factory on platform pre-splicing, the assembled size and attachment installation of pressure stabilizing damping body is integrally checked and adjusted under no restrained condition
Adjustment.
In step 4, when the assembly platform is arranged, the assembly platform extends to pressure stabilizing vibration damping below hanging object hole
Body installation site is directed at the installation reference line of pressure stabilizing damping body, in order to which the stably translational of piecemeal manufacturing cell aligns；Assembling is flat
Platform height meets the welding requirements of pressure stabilizing damping body bottom welding seam；Before assembly platform installation, first completes the support of pressure stabilizing damping body and bury
The installation and concreting of part.
In step 4- step 6, the welding placement position Yu final installation position of piecemeal manufacturing cell on the assembly platform
Correspondence is set, before piecemeal manufacturing cell described in every group is traversing, interval is laid with rolling bar, the pressure stabilizing between its bottom and assembly platform
The main collar tie beam in the outside of damping body is equipped with support bracket, and the displacement of piecemeal manufacturing cell described in monolithic may be selected to use in front and lead
Draw machine travel, also may be selected to be promoted at rear with hydraulic jack.
Interval is laid with isodiametric rolling bar between piecemeal manufacturing cell bottom and assembly platform, can make piecemeal manufacturing cell
Planar friction between assembly platform is converted to rolling friction, and coefficient of friction is substantially reduced, needed for piecemeal manufacturing cell is traversing
Power be also substantially reduced, it is time saving and energy saving to be conducive to.Setting support bracket, is convenient on the main collar tie beam in the outside of pressure stabilizing damping body
Bearing load is unlikely to deform shell 14 when traction or pushing tow.
In step 7, it after the completion of pressure stabilizing damping body integral welding, is withstood on using hydraulic jack from bottom and is jacked up, removed
After assembly platform, pressure stabilizing damping body is down on the buttress of ground.After the main structure for completing pressure stabilizing damping body is installed in place,
It carries out welding with the welded connecting of Inlet and outlet water lateral pressure steel pipe and the support of pressure stabilizing damping body bottom and the reinforcing of surrounding again, make
The structure of pressure stabilizing damping body is stronger reliable.
As Figure 4-Figure 6, assembly platform is set in lock chamber, and lock chamber is by upstream side wall 9, left wall 11, downstream side wall 10 and the right side
Wall 12 is connected to enclose and be set from beginning to end, and upstream side wall 9 and downstream side wall 10 are set relatively, and left wall 11 and right wall 12 are set relatively.
Assembly platform includes that quantity is at least two and the main beam 1 of parallel equidistant distribution, quantity are at least two and flat
The main longitudinal grider 2 and quantity that row is equally spaced are at least the secondary stringer 3 of two and parallel equidistant distribution, further include expansion bolt
8；Main beam 1 is parallel to upstream side wall 9 and downstream side wall 10, and main longitudinal grider 2 and time stringer 3 are alternately distributed, and with all masters
Crossbeam 1 is vertically fixed, and one end of each main beam 1 is equipped with the side a Zuo Qiang base plate 4, and main beam 1 passes through left wall side group
Plinth plate 4 and left wall 11 are fixed, and one end of each main longitudinal grider 2 is equipped with downstream wall side base plate 7, under main longitudinal grider 2 passes through
It swims wall side base plate 7 and downstream side wall 10 is fixed, every 1 bottom of main beam is equidistantly equipped with more than two be used for 1 water of main beam
The flat bottom base plate 5 being fixed on ground；
It is located at there are four being all provided on each downstream wall side base plate 7, the side Zuo Qiang base plate 4 and bottom base plate 5
The through-hole 6 of quadrangle, the through-hole 6 match with expansion bolt 8, downstream wall side base plate 7, the side Zuo Qiang base plate 4 and bottom
Base plate 5 is individually fixed on downstream side wall 10, left wall 11 and ground by the expansion bolt 8 being arranged in the through-hole 6.
Main beam 1 is H profile steel.Main longitudinal grider 2 is connected by two sections or more segmentation channel steel head and the tail straight lines to be formed, and the end of channel steel is segmented
Portion is linked to be whole main longitudinal grider 2, one end of whole main longitudinal grider 2 after welding respectively with the top flange plate bottom edge of main beam 1 and web
It is welded with downstream wall side base plate 7, the other end hangs down with the top flange plate bottom edge of the crossbeam 1 near upstream side wall 9 and web
Straight welding.
Secondary stringer 3 is connected by two sections or more segmentation channel steel head and the tail straight lines to be formed, be segmented the end of channel steel respectively with main beam 1
Top flange plate bottom edge and web welding after be linked to be whole secondary stringer 3, one end of whole stringer 3 and near downstream side wall
The top flange plate bottom edge of 10 crossbeam 1 and web vertical welding, the upper limb of the other end and the crossbeam 1 near upstream side wall 9
Listrium bottom edge and web vertical welding.
Main longitudinal grider 2 and time stringer 3 separate fixed main beam 1 jointly to form the fenestral fabric body of rigidity.
In the above method, is optimized using Computerized three-dimensional assistant analysis, pressure stabilizing damping body is divided into jointing and blocking unit
Change manufacture, the transport and hanging device for solving super-big and overweight part are limited technical problem；
In the above method, piecemeal manufacturing cell ensure that the relative fullness of pressure stabilizing damping body structure, can carry out in unit
Pipeline, structure are integrated installation, and project amount is concentrated mainly in factory, are conducive to improve the accuracy of manufacture and form matter
Amount；Reduce site workload, construction efficiency greatly improves；
In the above method, piecemeal transports the difficulty for reducing hauling operation, and by piecemeal manufacturing cell, welding is one group two-by-two
After carry out it is traversing, conducive to guarantee structure stability and working security；
In the above method, by traction or hydraulic device and rolling bar control pressure stabilizing damping body piecemeal and whole displacement and under
Falling tone is whole, and coefficient of rolling friction is small and structure stress uniform and stable, installation site accurate positioning, safety coefficient height realize depth
The smooth installation of super-big and overweight structural body in low spatial valve chamber saves large lifting equipment investment, remarkable in economical benefits.
Above-described embodiment is only one of the preferred embodiment of the present invention, should not be taken to limit protection model of the invention
It encloses, as long as that in body design thought of the invention and mentally makes has no the change of essential meaning or polishing, is solved
The technical issues of it is still consistent with the present invention, should all be included within protection scope of the present invention.
Claims (8)
1. a kind of manufacture installation method of penstock pressure stabilizing damping body, which is characterized in that the pressure stabilizing damping body to be divided into
Several piecemeal manufacturing cells complete assembly construction, transport and lifting in the form of piecemeal manufacturing cell, will be described in lock chamber
Piecemeal manufacturing cell be welded to connect, complete the self-contained welding of the pressure stabilizing damping body, then carry out poling installation, finally with water delivery pressure
The welded connecting of power steel pipe and branch's bifurcated pipe；Specifically includes the following steps:
Step 1: the design partition of piecemeal manufacturing cell: using Computerized three-dimensional assistant analysis, and the pressure stabilizing damping body is divided
At six piecemeal manufacturing cells；
Step 2: assembly construction in the factory of piecemeal manufacturing cell: laying manufacture platform for lining in factory, complete the piecemeal system
Assembly construction in the factory of unit is made, and piecemeal manufacturing cell is hoisted to binding and fixing on transporting equipment, manufactures the piecemeal
Unit reaches the size of transport and limit requires；
Step 3: transport: piecemeal manufacturing cell being transported to water-carriage system main equipment room；
Step 4: in lock indoor deployments assembly platform, according to installation position successively by most inboard Liang Ge piecemeal manufacturing cell handling
On to the assembly platform, its welding is connected in the first component masses manufacturing cell after adjustment contraposition, by the first component masses system
Make the installation site of the unit assembly platform end and accurate positioning；
Step 5: installation position being hoisted on the assembly platform in intermediate Liang Ge piecemeal manufacturing cell, is spelled after adjustment contraposition
It is welded as the second component masses manufacturing cell, by second component masses manufacturing cell assembly platform end, and with
A group weldering is carried out after the first component masses manufacturing cell contraposition adjustment in step 4, forms semi-finished product pressure stabilizing damping body；
Step 6: the Liang Ge piecemeal manufacturing cell of installation position on the outside being hoisted on the assembly platform, after adjusted contraposition
Welding is connected in third component block manufacturing cell, by the third component block manufacturing cell assembly platform end, and
A group weldering is carried out again after adjusting with the semi-finished product pressure stabilizing damping body contraposition for organizing postwelding in step 5, completes the whole of the pressure stabilizing damping body
Welding equipment connects, and whole piecemeal manufacturing cells is made to be connected；
Step 7: the pressure stabilizing damping body being welded self-contained in step 6 is down on the buttress of bottom first, translate and poling in place, so
The pressure stabilizing damping body and water delivery penstock and branch's bifurcated pipe are distinguished into wielding neck afterwards, complete pressure stabilizing damping body bottom later
Support and the reinforcing of surrounding are welded, and remaining mass is checked and accepted.
2. a kind of manufacture installation method of penstock pressure stabilizing damping body according to claim 1, which is characterized in that described
In step 1, method that the pressure stabilizing damping body is divided into six piecemeal manufacturing cells are as follows: by the pressure stabilizing damping body according to described
Pressure stabilizing damping body water (flow) direction is longitudinal sectional at trisection, each equal part according still further to the vertical pressure stabilizing damping body water (flow) direction it is crosscutting at
Two equal parts are divided into six piecemeal manufacturing cells in total.
3. a kind of manufacture installation method of penstock pressure stabilizing damping body according to claim 2, which is characterized in that described
In step 2, the sequence of assembly construction in the factory of the piecemeal manufacturing cell are as follows: welding shell first, then assembled inner support beam
System, last assembly outsourcing girder system, after welding completion, weld appearance quality and qualified testing for internal quality, then carries out at annealing
It manages and dispatches from the factory pre-splicing inspection.
4. a kind of manufacture installation method of penstock pressure stabilizing damping body according to claim 3, which is characterized in that described
In step 4, when the assembly platform is arranged, the assembly platform extends to pressure stabilizing damping body installation position below hanging object hole
It sets, assembly platform height meets the welding requirements of pressure stabilizing damping body bottom welding seam；Before assembly platform installation, pressure stabilizing vibration damping is first completed
The installation and concreting of body support embedded part.
5. a kind of manufacture installation method of penstock pressure stabilizing damping body according to claim 4, which is characterized in that described
In step 4- step 6, the welding placement position of piecemeal manufacturing cell is corresponding with final installation site on the assembly platform, and every group
It before the piecemeal manufacturing cell is traversing, is spaced between its bottom and assembly platform and is laid with rolling bar, outside the pressure stabilizing damping body
The main collar tie beam in side is equipped with support bracket, and the displacement of piecemeal manufacturing cell described in monolithic may be selected to use traction machine travel in front,
Also it may be selected to be promoted at rear with hydraulic jack.
6. a kind of manufacture installation method of penstock pressure stabilizing damping body according to claim 5, which is characterized in that described
Assembly platform is set in the lock chamber, and the lock chamber is by upstream side wall (9), left wall (11), downstream side wall (10) He Youqiang (12)
Head and the tail connection, which is enclosed, to be set, and the upstream side wall (9) and downstream side wall (10) are set, left wall (11) He Youqiang (12) relatively
It sets relatively；
The assembly platform include quantity be at least two and parallel equidistant distribution main beam (1), quantity be at least two and
The main longitudinal grider (2) and quantity of parallel equidistant distribution are at least the secondary stringer (3) of two and parallelly distribute on, the main beam (1)
It is parallel to the upstream side wall (9) and the downstream side wall (10), the main longitudinal grider (2) and the secondary stringer (3) are alternately distributed,
And vertical with the main beam (1) fixed, one end of the main beam (1) is equipped with the side Zuo Qiang base plate (4), the main cross
Beam (1) is fixed by the side Zuo Qiang base plate (4) and the left wall (11), and one end of the main longitudinal grider (2) is equipped with downstream wall
Side base plate (7), the main longitudinal grider (2) is fixed by downstream wall side base plate (7) and the downstream side wall (10), described
Main beam (1) bottom is equidistantly equipped with more than two bottom base plates (5) for being fixed on main beam (1) level on ground；
The assembly platform further includes expansion bolt (8), downstream wall side base plate (7), the side Zuo Qiang base plate (4) and base
The through-hole (6) to match with the expansion bolt (8), downstream wall side base plate (7), the side Zuo Qiang are equipped on plinth plate (5)
Base plate (4) and bottom base plate (5) are individually fixed in downstream side by the expansion bolt (8) being arranged in the through-hole (6)
On wall (10), left wall (11) and ground.
7. a kind of manufacture installation method of penstock pressure stabilizing damping body according to claim 6, which is characterized in that described
Main beam (1) is H profile steel；
The main longitudinal grider (2) by two sections or more segmentation channel steel head and the tail straight lines be connected forms, it is described segmentation channel steel end respectively with
It is linked to be whole main longitudinal grider (2), the whole main longitudinal grider (2) behind the top flange plate bottom edge of the main beam (1) and web welding
One end and downstream wall side base plate (7) weld, the other end and the main beam near the upstream side wall (9)
(1) top flange plate bottom edge and web vertical welding；
The secondary stringer (3) by two sections or more segmentation channel steel head and the tail straight lines be connected forms, it is described segmentation channel steel end respectively with
It is linked to be whole secondary stringer (3), the whole secondary stringer (3) behind the top flange plate bottom edge of the main beam (1) and web welding
One end near the downstream side wall (10) the main beam (1) top flange plate bottom edge and web vertical welding,
Top flange plate bottom edge and web vertical welding of the other end with the main beam (1) near the upstream side wall (9).
8. a kind of manufacture installation method of penstock pressure stabilizing damping body according to claim 7, which is characterized in that described
Main longitudinal grider (2) and time stringer (3) separate fixed main beam (1) jointly to form the fenestral fabric body of rigidity；
There are four being respectively provided on each downstream wall side base plate (7), the side Zuo Qiang base plate (4) and bottom base plate (5) respectively
Through-hole (6) positioned at quadrangle, each through-hole (6) are matched with an expansion bolt (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710534976.0A CN107186372B (en) | 2017-07-03 | 2017-07-03 | A kind of manufacture installation method of penstock pressure stabilizing damping body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710534976.0A CN107186372B (en) | 2017-07-03 | 2017-07-03 | A kind of manufacture installation method of penstock pressure stabilizing damping body |
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| CN107186372A CN107186372A (en) | 2017-09-22 |
| CN107186372B true CN107186372B (en) | 2019-03-19 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103277582A (en) * | 2013-05-15 | 2013-09-04 | 中国葛洲坝集团股份有限公司 | Method for mounting inclined shaft internal pressure steel tube |
| CN106695146A (en) * | 2015-11-18 | 2017-05-24 | 上海宝冶集团有限公司 | Method for plate butt joint during steel bridge mounting |
| CN107386247A (en) * | 2017-06-14 | 2017-11-24 | 中国葛洲坝集团机电建设有限公司 | The large-scale damping water tank steel construction sudden expansion body of sectional type and closing deep hole construction method of installation of hydro powered formula ship lift |
-
2017
- 2017-07-03 CN CN201710534976.0A patent/CN107186372B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103277582A (en) * | 2013-05-15 | 2013-09-04 | 中国葛洲坝集团股份有限公司 | Method for mounting inclined shaft internal pressure steel tube |
| CN106695146A (en) * | 2015-11-18 | 2017-05-24 | 上海宝冶集团有限公司 | Method for plate butt joint during steel bridge mounting |
| CN107386247A (en) * | 2017-06-14 | 2017-11-24 | 中国葛洲坝集团机电建设有限公司 | The large-scale damping water tank steel construction sudden expansion body of sectional type and closing deep hole construction method of installation of hydro powered formula ship lift |
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| CN107186372A (en) | 2017-09-22 |
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