CN108223912A - Underground space piping lane pipeline mounting construction method - Google Patents
Underground space piping lane pipeline mounting construction method Download PDFInfo
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- CN108223912A CN108223912A CN201810051624.4A CN201810051624A CN108223912A CN 108223912 A CN108223912 A CN 108223912A CN 201810051624 A CN201810051624 A CN 201810051624A CN 108223912 A CN108223912 A CN 108223912A
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- pipeline
- piping lane
- hoisting port
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- 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
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
-
- 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
Abstract
The invention discloses a kind of underground space piping lane pipeline mounting construction methods, include the following steps：(1) piping lane construction driving；(2) interim hoisting port position is selected；(3) interim hoisting port is reserved；(4) piping lane Outer Tube transports；(5) the vertical handling of pipeline；(6) piping lane interior conduit horizontal transport；(7) pipeline is fixedly mounted.The present invention enables pipeline to reach horizontal down tube in hoisting process using the interim hoisting port of civil engineering or the preserved pipeline hoisting port before civil engineering piping lane is not constructed is increased；By setting, rational pipe insulation is fixed and cold-prevention bridge sliding support can be while Heating,Ventilating and Air Conditioning water utilidor cradling function be ensured, reduce the adiabatic area of heat preservation, and heat preservation insulation effect can be reached, reduce energy waste, avoid the generation of cold bridge phenomenon, the efficiency that pipeline transmits cold and hot medium can be effectively improved, avoids cold and hot loss.
Description
Technical field
The invention belongs to the realm of building construction, in particular to a kind of underground space piping lane pipeline mounting construction method and
Dependency structure.
Background technology
Urban Underground pipeline pipe gallery is also referred to as " common trench ", " Common Ducts ", is intensive in Urban Underground construction one
Electric power, the two or more municipal pipeline concentrations such as communication, combustion gas, heat supply, plumbing are laid in tunnel by the tunnel space of change,
And equipped with special access hole, hoisting port and monitoring system, implement unified planning, design, construction and maintenance.With it is comprehensive,
Long-term effect, maintainability, high-technology, Seismic Resistance And Disaster Reduction, the feature of environmental protection, low cost, investment diversity and Operational reliability etc.
Feature.
Piping lane pipeline is few with the channel on ground so that inner air due to underground pipe gallery narrow space when transporting installation
Method that is dirty, rather dark, more using manpower when can not use machinery, thus transport.The method not only time in stringing
Long, also there are certain danger.So applicant, in pipe gallery narrow regions, the lifting of big-diameter pipeline is transported
Defeated, mounting technique has made intensive studies, and the relevant technologies measure is proposed to pipeline mounting construction, designs a kind of new underground
Space piping lane pipeline mounting construction method.
Compared with conventional construction method, pipeline is enable to reach horizontal down tube in hoisting process, reduce security risk and
Difficulty of construction improves the handling speed of pipeline.During pipeline transportation, transportational process is improved using special equipments such as fixture and locksets
In stability and safety.Pipe level transport is carried out using two mobile trolleys, one is at least improved from time efficiency
Again, operating personnel reduces half.The present invention is isolated from the outside world by Heating,Ventilating and Air Conditioning water piping system, can ensure HVAC
While air conditioner water utilidor cradling function, the adiabatic area of heat preservation is reduced, and heat preservation insulation effect can be reached, reduce energy wave
Take, avoid the generation of cold bridge phenomenon.
The present invention improves the construction quality, construction efficiency, construction safety of the installation of piping lane interior conduit, while reaches and drop this increasing
The effect of effect.
Invention content
In view of the above-mentioned problems, it is achieved using following technical scheme：
A kind of underground space piping lane pipeline mounting construction method, including following steps：
(1) piping lane construction driving；
(2) interim hoisting port position is selected；
(3) interim hoisting port is reserved；
(4) piping lane Outer Tube transports；
(5) the vertical handling of pipeline；
(6) piping lane interior conduit horizontal transport；
(7) pipeline is fixedly mounted.
The construction method, wherein step (1) include：According to design drawing by the scheduled circuit of underground pipe gallery in underground
Open cut or tunneling underground pipe gallery ditch at predetermined depth carry out piping lane culvert box construction using cast-in-place method later
The construction method, wherein step (3) include：It is pre- at the top of culvert box at selected interim hoisting port position
Stay the interim hoisting port of piping lane.
The construction method, wherein the length of interim hoisting port is more than the single pipe of longest before the installation in place of transport in piping lane
The length in road.
The construction method, wherein step (4) include：It will be and complete near pipeline transportation to be lifted to interim hoisting port
Into following work：
4.1 pipeline inspection；
4.2 construction lift equipment inspections；
The 4.3 interim anchor points of setting；
4.4 interior transport routes cleanings；
4.5 lifting operation site clearings；
4.6 construction power supply guarantees；
4.7 understand weather condition.
The construction method, wherein step (5) include：Crane level lifts pipeline, and by pipeline by lifting temporarily
Mouthful vertical handling is into the interim hoisting port.
The construction method, wherein step (5) carry out hanging down for pipeline in a manner that pipe end hangs method or tube body hangs method
Straight handling.
The construction method wherein when hanging method using tube body, the hoisting rope at suspension hook both ends is respectively placed in close
The position of pipeline center of gravity, the maximum distance for binding hoisting rope are no more than at pipeline center of gravity 1/2.
The construction method, wherein step (6) include：The vertical handling of pipeline carries out pipe into after piping lane inside piping lane
Before road horizontal transport, transport channel is cleaned out in advance, it is ensured that transport routes are unimpeded.
In the construction method, wherein pipe level transportational process, after pipeline is in place, with fixture by pipeline with transporting
Moving trolley is fixed together, and for supporting pipeline, pipeline is made to be placed in the front and rear U-type groove steel on trolley.
Each longitudinally disposed chock in both sides in the construction method, wherein trolley, chock both ends are separately mounted to
In the forward and backward U-type groove of trolley, pipeline is used to support, while lock the U-type groove steel for carrying pipeline with moving trolley using lockset
Firmly.
The construction method, wherein during horizontal transport, the trolley that moves horizontally used is by former and later two shiftings
Dynamic trolley composition, trolley in front carry turning function.
The construction method, wherein step (7) include：7.1 pipe insulations are fixedly mounted：
By the adiabatic fixed structure fixed -piping of Pipe installing, which is welded to connect plate including pipeline,
Pipeline support wing plate, pipeline support bottom plate, bolt, nut, washer, becket, heat-insulating material, jacket, washer.
The construction method, the wherein step 7.1 include：
7.1.1 pipeline connected support structure is set：Pipeline is welded to connect plate, pipeline support wing plate, pipeline support bottom plate
Pipeline connected support structure is welded into, wherein：Pipeline is welded to connect plate one side to weld with pipeline, another side and the pipeline support wing
Plate welds, and pipeline support wing plate bottom is welded with pipeline support bottom plate；
The construction method, wherein conduit axis are vertical with the face where support of pipelines, where pipeline support wing plate
Plane is vertical with the plane where stent, and the face where pipeline support bottom plate is parallel with the face where stent.
The construction method wherein each in pipeline fixes support installation site, all sets four pipelines to connect
Support construction, the connected support structure are symmetricly set on the outer peripheral edge of pipeline.
The construction method, wherein in the pipe shaft Clad pipe heat-insulation material of pipeline, pipeline is fixed on stent,
Stent is steelframe, further comprising the steps of before step 7.1.1：More I-steel or channel steel are welded reticulate frame in length and breadth
Frame, the partial component of grid framework are embedded in Pipe rack, are fixed with building structure, form stent.
The construction method, the wherein step 7.1 further include：
7.1.2 pipeline is fixed on by pipeline connected support structure on support of pipelines：Installation heat preservation heat insulating member, heat preservation
Heat insulating member include heat-insulation material and jacket, wherein by heat-insulation material by bolt, washer, washer, nut into
Row is fixed；It respectively opens there are one through-hole, jacket is mounted in the through-hole, pipeline in support wing plate both sides on pipeline support bottom plate
Position corresponding with the through-hole is also respectively opened there are one mounting hole on the mounting surface of stent, mounting surface and the pipeline branch of support of pipelines
It is separated between support bottom plate with heat-insulating material, by heat insulating material backing strap between the mounting surface of support of pipelines and pipeline support bottom plate, absolutely
Also through-hole corresponding with the through-hole or position of mounting hole is provided on hot material, jacket body top is equipped with outwardly extending convex
Edge, the flange expose outside through-hole and are arranged on the outer surface of pipeline support bottom plate, washer is placed on flange, flanged outer ring set
There is becket；Bolt is sequentially inserted into washer, jacket, heat-insulating material, mounting hole, pipeline support mounting surface is pierced by bolt
One, washer is penetrated, is finally fixed with nut tightening, heat insulating member will kept the temperature, fixation is installed.
The construction method, wherein step 7 further include the installation of 7.2 pipe strings：When first pipeline is fixed on fixation
After on stent, the installation of second pipeline is carried out, pipeline butt group pair, pipeline opening pair are carried out using pipeline aligning tool before installation
Using electric welding spot welding after positive mouth, by two segment pipe butt weldings.
The construction method, wherein step 7.2 include pipeline butt：It will need what is be connected with each other using pipe butt joint apparatus
Two pipelines to interface to just.
The construction method wherein in step 7.1, further includes：
7.1.3 cold-prevention bridge sliding support construction procedure：By two pieces of pipeline wooden blocks respectively pairing be placed on pipeline top and
Lower part so that the inner fovea part of pipeline wooden block is contacted with pipeline outer wall；At least one of pipeline hoop is waled into two pieces of pipeline wooden blocks, is embraced
Bind round joint locking；Arc supporting plate is set off in pipeline lower part, the length of longitudinal length Clad pipe wooden block；By upper surface
The bottom plate for being welded with two limited blocks is placed on the lower part of arc supporting plate by limited block in a manner of upward, support the arc support
The lower surface of bottom plate is welded on stent by plate, and anti-deformation floor is set between bottom plate and stent.
The construction method, wherein, in the obvolvent contact surface of two pieces of pipeline wooden blocks, joinery and its construction is set respectively：At two
Tenon is set on the contact surface of one of wooden block, the contact surface of another wooden block setting mortise, tenon is inserted into mortise during obvolvent.
A kind of adiabatic fixed structure of Pipe installing, including pipeline connected support structure and heat preservation heat insulating member, wherein：Pipe
Pipeline is fixed on support of pipelines by road connected support structure, and heat preservation is provided between pipeline connected support structure and support of pipelines
Heat insulating member.
The adiabatic fixed structure, wherein：The pipeline connected support structure is welded to connect plate, pipeline branch including pipeline
Wing plate and pipeline support bottom plate are supportted, pipeline is welded to connect plate one side and is welded with pipeline, and another side is welded with pipeline support wing plate, pipe
Road supports wing plate bottom to be welded with pipeline support bottom plate.
The adiabatic fixed structure, wherein：Conduit axis is vertical with the face where support of pipelines, pipeline support wing plate institute
Plane it is vertical with the plane where support of pipelines, the face where pipeline support bottom plate is parallel with the face where support of pipelines.
The adiabatic fixed structure, wherein：Four pipeline connection supports are designed in each installation site of pipeline
Structure.
The adiabatic fixed structure, wherein：It keeps the temperature heat insulating member and includes heat-insulation material and jacket, pipeline support
Through-hole is provided on bottom plate, the body of jacket is mounted in the through-hole, corresponding with the through-hole on the mounting surface of support of pipelines
Position is also provided with mounting hole, is separated between the mounting surface of support of pipelines and pipeline support bottom plate with heat-insulation material, and heat preservation is exhausted
Also through-hole corresponding with the through-hole or mounting hole is provided on hot material, jacket top is equipped with and outward extends flange, this is convex
Edge exposes the through-hole on pipeline support bottom plate and is arranged on the outer surface of pipeline support bottom plate.
The adiabatic fixed structure, wherein：The thermal insulation fixed structure further includes bolt, nut, the first washer and the
Two washers, wherein the first washer is placed on flange, bolt is sequentially inserted into the first washer, jacket, heat-insulating material and mounting hole,
Bolt is pierced by one of support of pipelines mounting surface, penetrates second packing ring, is fixed by nut tightening.
The adiabatic fixed structure, wherein：The heat preservation heat insulating member further includes becket, and the metal ring is exhausted
On the flange of hot jacket.
The adiabatic fixed structure, wherein：The pipe shaft of pipeline is coated with pipe insulation heat-insulating material, and the pipe insulation is exhausted
Hot material includes rock wool, rubber and plastic.The adiabatic fixed structure, wherein：The size of first washer is more than the size of second packing ring.
The adiabatic fixed structure, wherein：Heat-insulation material selects anti-corrosion batten or anti-corrosion wooden unit.
The adiabatic fixed structure, wherein：Jacket selects anti-corrosion wood or rigid polyurethane.
A kind of cold-prevention bridge sliding support, including two pieces of pipeline wooden blocks, anchor ear, arc supporting plate, limited block, bottom plate, wherein
The inner concave of two pieces of pipeline wooden blocks upper and lower part pipeline wooden block that pairing is placed on pipeline respectively is contacted with pipeline outer wall；At least
One of pipeline hoop wales two pieces of pipeline wooden blocks, and anchor ear joint is locked by bolt nut structure；Arc supporting plate is set off in pipe
Road lower part, the length of longitudinal length Clad pipe wooden block；Upper surface is welded with the limited block of the bottom plate of two limited blocks upward
The arc supporting plate lateral displacement is limited, the lower surface of bottom plate is welded on stent.
A kind of cold-prevention bridge sliding support sets anti-deformation floor between bottom plate and stent.
Description of the drawings
Fig. 1 is underground space piping lane pipeline mounting construction method flow diagram；
Fig. 2 is travelling bogie transport pipeline schematic diagram；
Fig. 3 is transport preparation stage schematic diagram in piping lane；
Fig. 4 is haulage stage schematic diagram in piping lane；
Fig. 5 is the adiabatic fixed structure schematic diagram of Pipe installing；
Fig. 6 is the adiabatic fixed structure subregion enlarged diagram of Pipe installing；
Fig. 7 is cold-prevention bridge sliding support structure diagram；
Fig. 8 is cold-prevention bridge fixing rack structure schematic diagram.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
The underground construction driving of existing piping lane is generally using excavation and cast-in-place method or tunneling drivage method, with the pick of underground pipe canal
Into progress, piping lane installation is also required to iterative method, and the existing practice is the hoisting port using design by the way of mechanical hoisting
Lifting pipeline enters in piping lane, and the pipeline single phase ratio with lifting, the size of hoisting port is often below the length of pipeline monomer, therefore
In down tube, often by the way of down tube is tilted, this mode brings security risk and difficulty of construction for construction.
In order to overcome the problems referred above, the embodiment of the present invention 1 proposes following solution：As shown in Figure 1, the underground space
Piping lane pipeline mounting construction method includes the following steps：
1. piping lane construction is tunneled using excavation and cast-in-place method or tunneling：Cut and cover method is by the pre- of underground pipe gallery according to design drawing
Alignment road open cut underground pipe gallery ditch at the predetermined depth of underground uses cast-in-place method to carry out piping lane construction to construct piping lane culvert later
Case；Tunneling rule is to preset piping lane scheduled circuit, by scheduled circuit at the predetermined depth of underground tunneling underground pipe gallery, later
Cast-in-place method is used to carry out piping lane construction to construct piping lane culvert box；
2. the interim hoisting port position of selection：According to piping lane construction access road, suitable position is selected, as interim hoisting port
Open up position；
3. add interim hoisting port：In selected interim hoisting port position, reserved piping lane lifts temporarily at the top of culvert box
Mouthful, the length of interim hoisting port should be greater than the length of longest single pipe before the installation in place of transport in piping lane；
4. pipeline transportation is in place：Will be near pipeline transportation be lifted to interim hoisting port, and complete following work：
4.1 pipeline inspection：Check whether pipeline specifications size is consistent with design drawing, appearance has not damaged, corrosion；
4.2 construction lift equipment inspections：Check whether the equipment performances such as truck crane, hoist engine, track jack are good；Check steel
The riggings such as cord, shackle, it is ensured that for well-tended appearance without breakage, protective device is functional；
The 4.3 interim anchor points of setting：Ensure anchor point fixation, safety measure is reliable, carries out pull test when necessary, temporarily
Anchor point is arranged at the top of piping lane, for after piping lane small space interior conduit is in place by trolley transport, pipeline to be passed through jack
It is in place to promote lifting；
4.4 interior transport routes cleanings：Clear up road, it is ensured that the obstacle that means of transport is not hindered smoothly to pass through ensures
The safe and smooth disengaging of means of transport；
4.5 lifting operation site clearings：Ensure that place is solid smooth, no-sundries, clear, no idler；
4.6 construction power supply guarantees：Determine that power supply supply is stablized, supply line is reliable；
4.7 understand weather condition：Timing or the rank for checking construction same day weather condition, that is, wind-force, rain or snow in real time, really
Guarantor meets job requirements.
5. pipeline handling：Crane level lifts pipeline, and pipeline is hung temporarily by the vertical handling of interim hoisting port into this
Fill mouth.
After truck crane and pipeline-transporting vehicle in place, according to different situations using corresponding lifting form.Pipe end can be used
It hangs method (i.e. suspension hook directly catches on pipe ends) or tube body hangs method (i.e. two hoisting ropes bindings are on pipeline and heavy close to its
The hanging method of the heart) mode, carry out the vertical handling of pipeline.
When hanging method using tube body, the hoisting rope by suspension hook both ends is needed to be respectively placed in close to the position of pipeline center,
And the maximum distance of requirement binding hoisting rope is no more than at pipeline center 1/2.
Compared with traditional construction, the present invention is using increasing the interim hoisting port of civil engineering or in civil engineering in terms of swing pipe
Preserved pipeline hoisting port before piping lane is not constructed, makes pipeline that can reach horizontal down tube during vertical lifting.It can avoid in this way
Using security risk and difficulty of construction caused by inclination down tube when designing hoisting port because undersize.It also carries significantly simultaneously
The high hoisting transportation speed of pipeline.
6. pipe level is transported
As in Figure 2-4, before carrying out pipe level transport inside piping lane, transport channel should be cleaned out in advance, it is ensured that fortune
Defeated the coast is clear.And special traffic program is worked out in advance.
The vertical handling of pipeline, to ensure not damage pipeline, ensures that pipeline keeps horizontal direction steady on trolley to small Chinese herbaceous peony
Gu, prevent from deviating, each longitudinally disposed chock (i.e. locating chucking tools) in both sides on trolley, chock both ends are separately mounted to small
In the forward and backward U-type groove of vehicle, supporting pipeline, while lockked pipeline and moving trolley using lockset, not only solve pipeline with it is small
The fixation problem in workshop, while improve the stability in transportational process and safety.Pipe level travelling bogie is matched with crane
Closing operation, pipeline front end are firstly placed on front truck by Pipeline lock on trolley, then, front end of the binding on pipeline when unlocking lifting
Steel wire rope, front end trolley move horizontally simultaneously with truck crane suspension hook, until crane rear end reaches front end trolley initial shift position,
The rear end trolley for setting fixture is promoted at the pipeline location of rear end, rear end of pipeline is put on the trolley of rear end by crane, uses lockset
Locking pipe is with after trolley, unclamping crane rear end steel wire rope.It hangs and send according to this process cycle, two groups of trolleies are configured, it is first group small
Vehicle by pipeline transport piping lane it is in place while, behind pipeline continue to be lifted on second group of trolley, in this way save the time improve again
Efficiency, it is for use that first group of trolley returns to initial position at this time.
During horizontal transport, the trolley that moves horizontally used is made of former and later two moving trolleys.It is in front small
Vehicle carries turning function, can ensure that trolley is arbitrarily rotated and flexibly turned to.Meanwhile it when moving trolley is selected, to use up
Amount selects trolley of the bottom plate apart from the relatively low type in ground, can increase stability during pipeline transportation in this way.Moving trolley goes out
Now solve the problems, such as that the piping lane underground space, construction operation is difficult in narrow zone, and moving trolley has stabilized structure, moves
It is dynamic flexibly to transport the features such as steady, easy to operate, it largely ensure that the efficiency and safety of underground space pipeline transportation.
Travelling bogie detailed annotation figure is as shown in Fig. 2, piping lane transports the preparation stage as shown in figure 3, the piping lane inside transport stage is as shown in Figure 4.
7. pipeline is fixedly mounted：It, will by jack by Pipeline lift to installation site near pipeline transportation to installation site
The stent point postwelding of pipeline lower part installation, by pipeline temporary laid on stent, welded pipe line lower bracket later consolidates pipeline
It is fixed rack-mount.
Electromechanical Heating,Ventilating and Air Conditioning waterpipe is arrived due to having temperature difference between installation and operation environment in order to ensure to convey Cooling and Heat Source
Up at heating and air conditioner end equipment, the energy loss in transmission process is reduced, it usually needs pipeline is kept the temperature and cold insulation
Processing.Additionally, due to the temperature difference between pipeline medium temperature and installation and operation environment, can also cause in transmission process
Pipeline extension deforms, the safety and stability whole to ensure pipe-line system installation, it will usually in Heating,Ventilating and Air Conditioning water conveyance conduit
Upper setting compensator and fixing bracket, the straight pipeline that compensator is used to absorb between fixing bracket and fixing bracket expand with heat and contract with cold change
Shape is also required to be completely cut off with heat-insulation material between pipeline and each stent, while the heat-insulation material completely cut off can also expire
The fixed or mobile demand of sufficient pipeline extension deformation.
The practice kept apart between pipeline and fixing bracket using heat-insulation material, usually in pipeline surrounding along pipeline
4 T-shaped supports are respectively welded in direction, with heat preservation between the steelframe support that each pipeline connected support structure and building structure connect
Heat-insulating material is kept apart, such way, in order not to which heat-insulation material is allowed to come off, shift in system operation, it is also necessary to
Heat-insulation material is fixed on stent with bolt.If the bolt of fixed heat-insulation material does not penetrate heat preservation heat insulating material
Material, but connected with the pipeline connected support structure bottom plate of one end, heat-insulation material is in system operation in order to prevent
Middle displacement generally also needs to the heat-insulation material of steelframe support being connect in isolation pipeline connected support structure with building structure
After installation, weld angle steel in its surrounding or round steel is fixed；It is exhausted that if the bolt of fixed heat-insulation material penetrates heat preservation
Medium temperature can be passed to bolt, then pass to steelframe branch by bolt by hot material, pipeline by pipeline connected support structure
Support, is such as kept the temperature, and thermal insulation area is very big, such as without heat preservation, waste of energy, it is also possible to be formed cold bridge phenomenon, be reduced heat-insulated
The heat-proof quality of material damages support construction intensity and influences its service life.It is proposed to this end that step 7, to solve above-mentioned ask
Topic.
Step 7 includes step 7.1 pipe insulation and step is fixedly mounted：On the basis that heat-insulation material is fixed with bolt
On, pipeline connected support structure bottom plate position bolt head side set one heat preservation heat insulating member, can by bolt with
Pipeline connected support structure bottom plate is kept apart, and thus pipeline connected support structure will not be made to pass to pipe temperature along bolt
Steelframe supports, waste of energy, generates cold bridge phenomenon, while the heat-insulation material that can also solve between pipeline and fixing bracket is being
In system operational process the problems such as displacement, disengaging, while metal bolts have certain tension, shear resistance, further guarantee
Heating,Ventilating and Air Conditioning water piping system support bracket fastened stability.
Step 7.1 pipe insulation is fixedly mounted：When electromechanical Heating,Ventilating and Air Conditioning waterpipe is installed, a kind of Pipe installing is provided and is used
Adiabatic fixed structure, for HVAC, the adiabatic stationary applica-tions of water transfer utilidor stent, as shown in Figure 5, Figure 6：The thermal insulation is fixed
Structure is welded to connect plate 3, pipeline support wing plate 4, pipeline support bottom plate 5, bolt 8, nut 13, washer 9, becket including pipeline
10, heat-insulating material 7, jacket 11, washer 12.
The step 7.1 includes：
7.1.1 pipeline connected support structure is set：Pipeline is welded to connect plate 3, pipeline support wing plate 4, pipeline support bottom
Plate 5 is welded into pipeline connected support structure, wherein：Pipeline is welded to connect 3 one side of plate to weld with pipeline, another side and pipeline branch
Support wing plate 4 welds, and 4 bottom of pipeline support wing plate is welded with pipeline support bottom plate 5；
1 axis of pipeline is vertical with the face where support of pipelines 6, the plane where pipeline support wing plate 4 and 6 place of stent
Plane is vertical, and the face where pipeline support bottom plate 5 is parallel with the face where stent 6.In each installation site of pipeline, all set
Four pipeline connected support structures are put, symmetrical (90 degree of interval) is arranged on the outer peripheral edge of pipeline.
The pipe shaft of pipeline 1 is coated with pipe insulation heat-insulating material 2 and (including rock wool, rubber and plastic etc., covers whole pipe shafts and pipe
The part that road is connected with stent), pipeline 1 is fixed on the frame 6, stent 6 be steelframe, before step 7.1.1, further include with
Lower step：More I-steel or channel steel are welded into grid framework in length and breadth, the partial component of grid framework is embedded in Pipe rack
It is interior, it is fixed with building structure, forms stent 6, as shown in Figure 8.The stent 6 being connect with building structure is primarily subjected to Heating,Ventilating and Air Conditioning guarantor
Warm pipe load power, Heating,Ventilating and Air Conditioning utilidor load force pass to the guarantor with some strength by pipeline connected support structure
Warm heat-insulating material 7, the steelframe that pipe load power is passed to building structure connection by heat-insulation material 7 again later support
(stent 6), building structure connection steelframe support pipeline connected support structure between by heat-insulation material 7 into trip temperature every
Absolutely, energy waste is reduced, cold bridge phenomenon is avoided to generate.
7.1.2 pipeline 1 is fixed on by pipeline connected support structure on support of pipelines 6：When fixed, installation heat preservation is adiabatic
Component, heat preservation heat insulating member include heat-insulation material 7 and jacket 11, wherein heat-insulation material 7 is passed through bolt 8, pad
9 (large size washers) of circle, washer 12, nut 13 are fixed, and heat-insulation material 7 is avoided to be taken off in pipe-line system operational process
It falls, shift.4 both sides of wing plate is supported respectively to open, there are one through-holes on pipeline support bottom plate 5, and by jacket 11, (jacket can be selected
Anti-corrosion wood or rigid polyurethane) in the through-hole, position corresponding with the through-hole is also each on the mounting surface of support of pipelines 6
Mounting hole there are one opening, is separated, heat-insulating material 7 between the mounting surface of support of pipelines 6 and pipeline support bottom plate 5 with heat-insulating material 7
Anti-corrosion batten can be selected or anti-corrosion wooden unit, heat-insulating material 7 are padded between the mounting surface of support of pipelines 6 and pipeline support bottom plate 5, absolutely
Also through-hole corresponding with the through-hole or position of mounting hole is provided on hot material 7,11 body top of jacket, which is equipped with, to extend outwardly
Flange, which exposes outside through-hole and is arranged on the outer surface of pipeline support bottom plate 5, and size (diameter) is embedded to more than it
The sleeve body portion of the through-hole of pipeline support bottom plate 5, washer 9 are placed on flange, washer 9 preferably select large size washer, size with
Flange dimension approaches, and to disperse the fastening force of bolt, avoids damage to flange, flanged outer ring is cased with becket 10, and becket 10 is used
In the compression strength of enhancing jacket 11, becket 10 is not in contact with especially big washer 9.By bolt 8 be sequentially inserted into washer 9,
Jacket 11, heat-insulating material 7, mounting hole are pierced by one of 6 mounting surface of support of pipelines in bolt 8, penetrate washer 12, finally use
Nut 13 is tightened, and will keep the temperature heat insulating member and be installed fixation.
In addition to step 7.1 pipe insulation is fixedly mounted, step 7 further includes the installation of step 7.2 pipe string.In work progress
In, after first pipe level is placed on fixing bracket, the installation of second pipeline is carried out, pipeline butt is utilized before installation
Tool carries out pipeline butt group pair, and pipeline opening on stent to just afterwards using electric welding spot welding, by two segment pipe butt weldings, and putting
Good conduit saddle completes the group of two segment pipes in place.
Step 7.2 includes：
Pipeline butt：Using pipe butt joint apparatus by need two pipelines being connected with each other to interface to just, in order to ensure
The quality of pipe string, the present invention are directed to the group of large-scale pipeline to employing pipe butt joint apparatus, it is ensured that pipe string is straight, does not have
Phenomena such as mismatch.
In step 7.1, step 7.1.3 cold-prevention bridge sliding support construction procedures, underground space piping lane pipeline peace are further included
In dress construction, the both ends of pipeline can be fixedly mounted on by the adiabatic fixed structure of as above step 7.1.1-7.1.2 on stent, by
It is longer in the length of pipeline, therefore same root pipeline is fixedly mounted on the centre position at stent both ends at it and is provided with compensator,
Compensator can stretch to compensate the stroke of pipeline accordingly during pipeline expands with heat and contract with cold, simultaneously because pipeline compared with
It is long, it needs to set support construction in the middle section of two adiabatic fixed structures, with support pipeline, avoids pipeline because of its own gravity
Or tenesmus deformation after hot and cold water is wherein full of, existing support construction will appear " cold bridge phenomenon ", and the cold-prevention bridge of step 7.1.4 is slided
Dynamic bearing can solve the problems, such as this.
As shown in fig. 7, step 7.1.3 includes：By two pieces of pipeline wooden blocks 3, pairing is placed on the top of pipeline 1 under respectively
Portion (inner concave of pipeline wooden block 3 is matched with 1 outer diameter of pipeline) so that the inner fovea part of pipeline wooden block 3 connects with 1 outer wall of pipeline
It touches；At least one of pipeline hoop 2 (preferably 2) two pieces of pipeline wooden blocks 3,2 joint of anchor ear bolt nut structure 4 will be waled
Locking；Arc supporting plate 5 is set off in pipeline lower part, the length of longitudinal length Clad pipe wooden block；Upper surface is welded with
The bottom plate 6 of two limited blocks 7 (such as angle steel) is placed on the lower part of arc supporting plate 5 by limited block 7 in a manner of upward, support the arc
Shape supporting plate 5, the lower surface of bottom plate 6 are welded on stent 9, and anti-deformation floor 8, anti-deformation rib are set between bottom plate 6 and stent 9
Plate 8 is welded on stent 9, and (preferably, stent 9 is welded one kind by two pieces of channel steels opening pairings, and anti-deformation floor 8 is
Right angled triangle steel plate, short right-angle side are welded with bottom plate 6, and long right-angle side is welded with stent 9), thus cold-prevention bridge sliding support is set
It puts and finishes, by this mode, be effectively thermally isolated by wooden block between stent 9 and pipeline 1, form cold-prevention bridge knot
Structure, pipeline 1 can in the axial direction slide in telescopic process along bearing, and by the effect of limited block 7, effectively prevent pipeline
1 generates the displacement of radial direction.
Further, in two pieces of pipeline 3 obvolvents of wooden block, wooden block 3 is slided in 1 telescopic process of pipeline in order to prevent
It moves, anchor ear 2 is caused to loosen, can joinery and its construction be set respectively in the obvolvent contact surface of two pieces of pipeline wooden blocks 3, i.e., in a contact surface
Upper setting tenon, another contact surface setting mortise, tenon is inserted into mortise during obvolvent so that obvolvent is more close, passes through the knot
Structure after anchor ear 2 is locked, will not generate axis and jump, it is ensured that obvolvent is close, the phenomenon that avoiding the occurrence of heat-insulated failure, effectively keeps away
The generation of cold bridge is exempted from.
The present invention makes pipeline using the interim hoisting port of civil engineering or the preserved pipeline hoisting port before civil engineering piping lane is not constructed is increased
Horizontal down tube can be reached in hoisting process, reduce security risk and difficulty of construction, while improve the handling speed of pipeline；
It is by setting rational pipe insulation fixation and cold-prevention bridge sliding support, Heating,Ventilating and Air Conditioning water piping system is isolated from the outside world,
The adiabatic area of heat preservation can be reduced, and heat preservation can be reached while Heating,Ventilating and Air Conditioning water utilidor cradling function is ensured
Insulation effect reduces energy waste, avoids the generation of cold bridge phenomenon, can effectively improve the effect that pipeline transmits cold and hot medium
Rate avoids cold and hot loss.
Claims (6)
- A kind of 1. underground space piping lane pipeline mounting construction method, it is characterised in that include the following steps：(1) piping lane construction driving；(2) interim hoisting port position is selected；(3) interim hoisting port is reserved；(4) piping lane Outer Tube transports；(5) the vertical handling of pipeline；(6) piping lane interior conduit horizontal transport；(7) pipeline is fixedly mounted.
- 2. construction method according to claim 1, it is characterised in that step (1) includes：Buried pipe is pressed according to design drawing The scheduled circuit of corridor open cut or tunneling underground pipe gallery ditch at the predetermined depth of underground carry out piping lane culvert box using cast-in-place method later and apply Work.
- 3. construction method according to claim 1, it is characterised in that step (3) includes：In selected interim hoisting port Position is in the interim hoisting port of reserved piping lane at the top of culvert box.
- 4. construction method according to claim 3, it is characterised in that the length of interim hoisting port, which is more than in piping lane, transports just The length of longest single pipe before the installation of position.
- 5. construction method according to claim 1, it is characterised in that step (4) includes：Will pipeline transportation be lifted to facing When hoisting port near, and complete following work：4.1 pipeline inspection；4.2 construction lift equipment inspections；The 4.3 interim anchor points of setting；4.4 interior transport routes cleanings；4.5 lifting operation site clearings；4.6 construction power supply guarantees；4.7 understand weather condition.
- 6. construction method according to claim 1, it is characterised in that step (5) includes：Crane level lifts pipeline, and will Pipeline is by the vertical handling of interim hoisting port into the interim hoisting port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051624.4A CN108223912A (en) | 2018-01-19 | 2018-01-19 | Underground space piping lane pipeline mounting construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051624.4A CN108223912A (en) | 2018-01-19 | 2018-01-19 | Underground space piping lane pipeline mounting construction method |
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| CN108223912A true CN108223912A (en) | 2018-06-29 |
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| CN201810051624.4A Pending CN108223912A (en) | 2018-01-19 | 2018-01-19 | Underground space piping lane pipeline mounting construction method |
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| CN109340452A (en) * | 2018-12-21 | 2019-02-15 | 中国电建集团四川工程有限公司 | The construction method of installation of 56 cun of pipe-lines |
| CN110107737A (en) * | 2019-05-10 | 2019-08-09 | 中国建筑第八工程局有限公司 | The pipe installation method and its mounting device for the pipe well being connected to basement |
| CN110106916A (en) * | 2019-05-10 | 2019-08-09 | 中建八局第四建设有限公司 | A kind of pipeline mounting construction method in piping lane |
| CN111928015A (en) * | 2020-07-21 | 2020-11-13 | 中国化学工程第七建设有限公司 | Pipeline dismantling and installing construction method in narrow space |
| CN112303332A (en) * | 2020-10-09 | 2021-02-02 | 中铁十局集团第八工程有限公司 | Pipe work apparatus and method for pipe gallery |
| WO2021064598A1 (en) * | 2019-09-30 | 2021-04-08 | Ceres Intellectual Property Company Limited | Cold-hot component support structure and solid oxide fuel cell having said support structure |
| CN112628464A (en) * | 2020-12-22 | 2021-04-09 | 广州市机电安装有限公司 | Installation and construction method for laying prefabricated air conditioner water pipe |
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| CN109340452A (en) * | 2018-12-21 | 2019-02-15 | 中国电建集团四川工程有限公司 | The construction method of installation of 56 cun of pipe-lines |
| CN109340452B (en) * | 2018-12-21 | 2021-03-02 | 中国电建集团四川工程有限公司 | Installation and construction method of 56-inch oil and gas transmission pipeline |
| CN110107737A (en) * | 2019-05-10 | 2019-08-09 | 中国建筑第八工程局有限公司 | The pipe installation method and its mounting device for the pipe well being connected to basement |
| CN110106916A (en) * | 2019-05-10 | 2019-08-09 | 中建八局第四建设有限公司 | A kind of pipeline mounting construction method in piping lane |
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| WO2021064598A1 (en) * | 2019-09-30 | 2021-04-08 | Ceres Intellectual Property Company Limited | Cold-hot component support structure and solid oxide fuel cell having said support structure |
| CN111928015A (en) * | 2020-07-21 | 2020-11-13 | 中国化学工程第七建设有限公司 | Pipeline dismantling and installing construction method in narrow space |
| CN111928015B (en) * | 2020-07-21 | 2021-09-07 | 中国化学工程第七建设有限公司 | Pipeline dismantling and installing construction method in narrow space |
| CN112303332B (en) * | 2020-10-09 | 2022-06-24 | 中铁十局集团第八工程有限公司 | Pipe work apparatus and method for pipe gallery |
| CN112303332A (en) * | 2020-10-09 | 2021-02-02 | 中铁十局集团第八工程有限公司 | Pipe work apparatus and method for pipe gallery |
| CN112628464B (en) * | 2020-12-22 | 2021-11-12 | 广州市机电安装有限公司 | Installation and construction method for laying prefabricated air conditioner water pipe |
| CN112628464A (en) * | 2020-12-22 | 2021-04-09 | 广州市机电安装有限公司 | Installation and construction method for laying prefabricated air conditioner water pipe |
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