CN109339215A - Replacement of not cutting off the water supply passes in and out the device and method of sluice gate - Google Patents
Replacement of not cutting off the water supply passes in and out the device and method of sluice gate Download PDFInfo
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- CN109339215A CN109339215A CN201811387887.9A CN201811387887A CN109339215A CN 109339215 A CN109339215 A CN 109339215A CN 201811387887 A CN201811387887 A CN 201811387887A CN 109339215 A CN109339215 A CN 109339215A
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- water
- guiding structure
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 125
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005520 cutting process Methods 0.000 title claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 42
- 239000010959 steel Substances 0.000 claims description 42
- 238000009434 installation Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 15
- 239000002689 soil Substances 0.000 claims description 15
- 230000009189 diving Effects 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 claims description 9
- 230000011218 segmentation Effects 0.000 claims description 9
- 239000011449 brick Substances 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 241000233855 Orchidaceae Species 0.000 claims 1
- 239000000945 filler Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005086 pumping Methods 0.000 description 14
- 241000196324 Embryophyta Species 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000010865 sewage Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 244000097202 Rathbunia alamosensis Species 0.000 description 1
- 235000009776 Rathbunia alamosensis Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/02—Shut-off devices
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Barrages (AREA)
Abstract
The present invention relates to one kind do not cut off the water supply replacement disengaging sluice gate device and method, be equipped with diversion pipe flow guiding structure: the water inlet line of gate shaft, gate shaft, gate shaft outlet conduit in, be continuously provided diversion pipe；Gate doorframe is equipped on the diversion pipe；Gap, diversion pipe between diversion pipe and water inlet line and the gap between outlet conduit, are blocked by plugging part respectively；The water inlet of gate shaft is sent along diversion pipe to pump house area or water outlet；Alternatively, being equipped with cofferdam adds diversion pipe flow guiding structure: cofferdam being arranged in gate shaft, faces gate to be replaced, is in close contact with the gate shaft on outlet conduit entrance periphery；Diversion pipe is provided in outlet conduit to connect with cofferdam；Gate doorframe is equipped on the diversion pipe；Gap between diversion pipe and outlet conduit, is blocked by plugging part；The water inlet of gate shaft is sent along diversion pipe to pump house area or water outlet.It is anhydrous in the work surface of present invention guarantee replacement gate, it is convenient for changing gate.
Description
Technical field
The present invention relates to pumping plant, in particular to a kind of device and method for replacement disengaging sluice gate of not cutting off the water supply.
Background technique
After pumping station operation many years, under rugged environment, the overwhelming majority will corrode the disengaging gate for water cut-off function
Damage makes a big impact to pumping station operation and internal unit maintenance, needs replacing.The box culvert leak origin cause of formation is analyzed it is found that disengaging
The main material of well inner gate is mostly ironcasting and carbon steel adopts processing, gate installation region, bad environments, pumping station operation phase
Between most of gate all in open position, in exposure well in mixed gas, the acids such as H2S are contained in this mixed gas
Matter, easily corrosion gate, by running all the year round, gate main structure corrosion condition is serious, and gate is caused not to be available.
Every pumping plant is responsible for sewage or the rainwater conveying of each section, can not normally cut off the water supply, be in pumping plant Inlet and outlet water portion
The gate of position can not be replaced normally.In the past, inlet and outlet piping (box culvert) need to be blocked by replacing these gates, be cut off the water supply for working face.Separately
Outside, it need to also be set up in water inlet manifold and face pump, be responsible for transferring local rain sewage during replacement gate.This replacement technology cycle
Long, expensive, enforcement difficulty is big.
Summary of the invention
The present invention provides a kind of device and method of replacement disengaging sluice gate of not cutting off the water supply, by diversion pipe drainage way, or
Person guarantees anhydrous in the work surface of replacement gate in such a way that steel cofferdam adds diversion pipe.
In order to achieve the above object, a technical solution of the invention is to provide a kind of replacement disengaging sluice gate of not cutting off the water supply
Device:
Equipped with diversion pipe flow guiding structure: the water inlet line of gate shaft, gate shaft, gate shaft outlet conduit in, continuously
Ground is provided with diversion pipe；Gate doorframe is equipped on the diversion pipe；Gap, diversion pipe between diversion pipe and water inlet line with
Gap between outlet conduit, is blocked by plugging part respectively；The water inlet of gate shaft send along diversion pipe to pump house area or
Water outlet；
Alternatively, being equipped with cofferdam adds diversion pipe flow guiding structure: cofferdam is set in gate shaft, faces gate to be replaced,
It is in close contact with the gate shaft on outlet conduit entrance periphery；Diversion pipe is provided in outlet conduit to connect with cofferdam；It is described to lead
Gate doorframe is equipped in flow tube；Gap between diversion pipe and outlet conduit, is blocked by plugging part；Gate shaft
Water inlet is sent along diversion pipe to pump house area or water outlet.
Optionally, water inlet line corresponding with the diversion pipe flow guiding structure is single, and water inlet line, outlet conduit are in same
One absolute altitude；
Add the corresponding water inlet line of diversion pipe flow guiding structure to have one or more and/or water inlet line with the cofferdam, go out
Waterpipe is not at same absolute altitude；
The caliber for adding the corresponding diversion pipe of diversion pipe flow guiding structure with the diversion pipe flow guiding structure or cofferdam, so that water conservancy diversion
The flow of pipe is not less than all water inlet lines not less than the water section of crossing of 50% or diversion pipe of the flow of all water inlet lines
Cross water section 50%.
Optionally, the diversion pipe corresponding with the diversion pipe flow guiding structure is steel pipe；The diversion pipe is segmentation knot
Structure, mutually with flanged joint；The steel bracket supported to it is equipped with below the diversion pipe；
Add the corresponding diversion pipe of diversion pipe flow guiding structure to be steel pipe with the cofferdam, described diversion pipe one end be equipped with flange with
The spare interface flange in cofferdam is connected；The steel bracket supported to it is equipped with below the diversion pipe.
Optionally, the shape in the cofferdam is arc-shaped or rectangular or polygon；The cofferdam be overall structure or
It is the structure of sectional；
The cofferdam is steel, includes keel made of water fender made of steel plate and fashioned iron；The keel use
10# channel steel, the water fender use 6~10 steel plates；The contact surface of gate shaft by the cofferdam and outlet conduit entrance, is equipped with only
The soft rubber band of water；
The height in the cofferdam, corresponding to the height above shaft bottom to gate guide；The cofferdam and pool wall and bottom of pond are pasted
Tightly, upper end is fixed with expansion bolt.
Optionally, corresponding with the diversion pipe flow guiding structure, at least penetrate into water inlet line, leading in outlet conduit
Seal ring is surrounded in flow tube；
Add the corresponding plugging part of diversion pipe flow guiding structure with the cofferdam, around the sealing piece of setting on diversion pipe
Outside, and be separated at a distance from setting between the sealing piece；
Add the corresponding plugging part of diversion pipe flow guiding structure with the diversion pipe flow guiding structure or the cofferdam, includes
The guidance tape paved layer by layer, and the viscous mixed soil of the specified thickness between adjacent guidance tape and between guidance tape and pipeline wall surface is set；
The viscous mixed soil is the mixture of cement, yellow mud, fast drying prescription；Nail builds falling for a row interval between at the top of the guidance tape and pipeline
Harrow the tip；The viscous mixed soil is arranged between the rake tip or falls on the rake tip.
Another technical solution of the invention is to provide a kind of method of replacement disengaging sluice gate of not cutting off the water supply, using above-mentioned
The device of any one replacement disengaging sluice gate of not cutting off the water supply, the method includes:
The following below scheme implemented using diversion pipe flow guiding structure:
Each segmentation of diversion pipe, which is hung in gate shaft, to be placed in position；Each segmentation of diversion pipe is connected, wherein final stage
Before diversion pipe connection, gate doorframe is through on diversion pipe；After connecting final section diversion pipe, to diversion pipe integral position tune
It is whole, and underlying holder is installed and is supported；Gap between diversion pipe and water inlet line, outlet conduit, which is dived under water, to be blocked；Plug is supported
Yu Shui is taken out after shield；Into the gate installation stage；
Alternatively, the following below scheme for adding diversion pipe flow guiding structure to implement using cofferdam:
Each segmentation of cofferdam and diversion pipe, which is hung in gate shaft, to be placed in position；Cofferdam assembly and connection；Cofferdam is fixed, and will be enclosed
Gap plugging by weir and outlet conduit entrance between gate shaft contact surface；Before diversion pipe is connect with cofferdam, gate doorframe is worn
On diversion pipe；The adjustment of diversion pipe integral position, and underlying holder is installed and is supported；Cofferdam is connect with diversion pipe；Diversion pipe
Gap between outlet conduit, which is dived under water, to be blocked；Remaining water in cofferdam is taken out after plug maintenance；Into the gate installation stage.
Optionally, when carrying out gap plugging, diver, which enters, blocks orientation in gate shaft, first to the rubbish in blocking pipe orientation
Rubbish is fished out clearly, and cement: yellow mud is then used: the viscous mixed soil of fast drying prescription=1:2:0.1 blocks the guidance tape paved layer by layer,
Start to block below diversion pipe, gradually upwards, finally close up right above diversion pipe, and carries out plug maintenance；
First smear one layer of viscous mixed soil in tube bottom face when making basis, then it is thorough on it build guidance tape, between guidance tape and guidance tape or road
2-3 centimeters of viscous mixed soil are equipped between plate and pipeline wall surface；The width of the bottom of foundation be not less than 2 bricks width, and with caliber
Size and water level match；
When guidance tape is built at the top of pipeline, at the top of the guidance tape and pipeline between nail build a row and fall to harrow the tip, interval is followed closely repeatedly
Build, until clenching, then fall between the rake tip or smear thereon, fill in it is viscous mixed native.
Optionally, during using cofferdam plus diversion pipe flow guiding structure, the cofferdam height and bottom depth, scene into
The caliber D of water Q and diversion pipe is adapted；The gravity stream flow velocity of diversion pipe is 1m/s, and the water conservancy diversion bore of selection makes gate shaft
Water inlet meets Q=3.14* (D/2) 2*1；
When cofferdam is installed, by diver by after each segmented assembly in well, then before cofferdam to be moved on to the gate needed to change just
Side, is adjacent to cofferdam with pool wall and bottom of pond, upper end is fixed with expansion bolt；
After cofferdam is installed, by the spare interface flanged joint of the flange of diversion pipe and cofferdam；
After diversion pipe is installed, diver takes closure method, diversion pipe is supported on the outside of the sealing piece of diversion pipe
Get up, the water for flowing out diversion pipe is flow in cofferdam, apart from the gap sealing piece 10cm at closure, and is not exclusively shut, is made water conservancy diversion
Pipe has certain activity space；
Water remaining in cofferdam is exhausted using water pump, cofferdam is pressed on pool wall and bottom of pond by hydraulic pressure；Check letting out for cofferdam
Reveal situation, then takes the form of diving brick envelope to block by leakage point by diver；After cofferdam is water-tight, by diversion pipe and water outlet
Gap between pipeline blocks, after making the anhydrous entrance of operation side, into the gate installation stage.
Optionally, when gate installation, successively doorframe, door body, gate guide, and headstock gear and connection wire rod are installed；Pass through
Trial operation, it is ensured that without card resistance phenomenon, gate closes on earth gate, after sealing surface gap is uniform, carries out back-grouting to doorframe；Gate
It is fixed with stainless steel chemical bolt；Doorframe and guide rail grouting position bar planting；Gate grouting concrete is in the milk using H-80 high strength and no shrinting
Material.
The device and method that the present invention provides a kind of replacement disengaging sluice gate of not cutting off the water supply will by diversion pipe drainage way
Rain sewage is guided into water pump chamber or outfall sewer, is guaranteed anhydrous in the work surface of replacement gate；Alternatively, being added by steel cofferdam
The mode of diversion pipe will be separated into and out of rain sewage in well with gate region is needed to change, by steel cofferdam and water conservancy diversion by rain sewage
It is isolated and leads to pump house or gargoyle of pumping station, guarantees anhydrous in the work surface of replacement gate.
Detailed description of the invention
Schematic diagram when Fig. 1 is diversion pipe drainage way；
Fig. 2 is the schematic diagram of diversion pipe；
Fig. 3 is schematic diagram when steel cofferdam adds diversion pipe mode.
Specific embodiment
The present invention provides a kind of device and method of replacement disengaging sluice gate of not cutting off the water supply, and embodiment one as shown in Figure 1 is logical
Cross " diversion pipe drainage way " realization.
Gate is replaced by " diversion pipe drainage way ", is more suitable for that 40 space of gate shaft is smaller, the small (pump of pumping plant flow
Total flow of standing is lower than 2.0m3/ s), water inlet line 21 is single, and water inlet line 21, the outlet conduit 22 of gate shaft 40 are in same mark
In the case where height, this operating condition is easily installed diversion pipe 10.This technology can restore pumping station operation, easy construction, nothing as early as possible
Complicated technique requirement, replacement gate are at low cost.
" diversion pipe drainage way " does not cut off the water supply when replacing gate, according to actual flow or Bureau of Water Resources's relevant regulations, to select
The caliber of diversion pipe 10.In this example, to guarantee that pumping plant operates normally, during non-flood control, pipeline flow cannot be below former water inlet pipe
Road 50%, therefore the caliber D selection of diversion pipe 10 need to expire water section is not less than former water inlet line 21 50%.
The diversion pipe 10 uses steel pipe, is connected in the inlet and outlet pipe lines of gate shaft 40, and the water inlet of gate shaft 40 is by leading
Flow tube 10 enters pump house area or water outlet, so that it is guaranteed that it is anhydrous (at label 41) in the gate shaft of replacement gate, in order to gate
Replacement.Label 50 is the gate needed to change.
" diversion pipe drainage way ", which does not cut off the water supply, replaces the construction method of gate, and include following below scheme: diversion pipe 10 makes；Point
Section, which is hung in gate shaft 40, to be placed in position；Gate doorframe is penetrated and is led before wherein final stage diversion pipe 10 connects by segmentation connection
In flow tube 10 (shown in label 60)；After connecting final section diversion pipe 10,10 integral position of diversion pipe is adjusted, and lower section is installed
Bracket；Gap diving blocks 30 between diversion pipe 10 and former inlet and outlet pipe lines road；Yu Shui is taken out after plug maintenance；Into next step lock
Door erection stage.
Width L1 with specific reference to the gate shaft 40 and length L2 for being respectively protruding into 40 inlet and outlet pipe lines of gate shaft, to make phase
Answer the diversion pipe 10 of length.The general sectional making of diversion pipe 10, with the connection of flange 11, the length of every section of diversion pipe 10 need to be according to lock
The width of door well 40 meets lifting and installation requirement in well.Preferably, the length of every section of diversion pipe 10 is less than the width of gate shaft 40
Spend L1.Seal ring 12 (Fig. 2) is additionally provided on the outside of the diversion pipe 10 penetrated into inlet and outlet pipes.
When diversion pipe 10 is installed, the gate shaft 40 of normal operation can not generally cut off the water supply completely, usually select dry season and water inlet
Lower time progress (night) is measured to carry out；It is generally installed under erector's guidance by diver, this section of common erector is applied
Well operations are not descended between duration, just can guarantee installation safety (pumping station operation safety and operator's installation) in this way.Diversion pipe 10
Segmental hoisting is taken, after ` is installed, diversion pipe 10 is supported using steel bracket for the method assembled in well,
Guarantee that diversion pipe 10 is located at the center of former inlet and outlet pipe lines, gap is uniform between diversion pipe 10 and former pipeline, then by diving under water
Member is fallen gap plugging between diversion pipe 10 and former pipeline using the form of diving brick envelope, so that water is entered pumping plant along diversion pipe 10 and is pumped
In room or gargoyle of pumping station, without entering in gate shaft 40, finally more than 40 water of gate shaft is transferred away with immersible pump again, in this way
It is ensured that the anhydrous state in gate shaft 40.
When carrying out gap plugging, diver dresses JQ-83 type diving apparatus and enters closure orientation in gate shaft 40, first to envelope
The rubbish in blocked pipeline orientation is fished out clearly, and side walk slab (490*490*65) and mixed soil (cement: yellow mud: fast drying prescription are then used
=1:2:0.1) guidance tape is paved layer by layer is blocked, start to block below diversion pipe 10, gradually upwards, finally in diversion pipe 10
Surface is closed up, and carries out plug maintenance.One layer of viscous mixed soil, then the road Che Zhu on it first are smeared in tube bottom face when making basis
Plate must have 2-3 centimeters of viscous mixed soil between guidance tape and guidance tape or between guidance tape and pipeline wall surface.The width of the bottom of foundation according to
The size and water level of caliber determine (it is recommended that being not less than 2 brick width).The quality of closing in directly influences the success or failure of blocking pipe,
When guidance tape is built at the top of pipeline, at the top of the guidance tape and pipeline between nail build a row and fall to harrow the tip, nail is built repeatedly at interval, until nail
Until tight, then fall between the rake tip or smear thereon, fill in it is viscous mixed native.
Present invention embodiment two as shown in Figure 3 is realized " by way of steel cofferdam+diversion pipe ":
Gate is replaced " by way of steel cofferdam+diversion pipe ", it is big to be more suitable for 40 space of inlet gate well, has in well more
Road water inlet line 23, the different situation of multichannel pipeline absolute altitude in gate shaft 40, installation diversion pipe 10 is more complicated under this operating condition,
Difficulty is big, is not easy to construct, and can not replace gate using " diversion pipe drainage way ".Therefore, " diversion pipe drainage way " is carried out
Optimization and upgrading is formed " steel cofferdam+diversion pipe mode " to replace this kind of gate, is mainly replaced using steel cofferdam 70 to gate
Work surface carries out water proof, is drained in conjunction with diversion pipe 10, both can guarantee that operation side was anhydrous in this way, and also can guarantee pumping plant just
Often operation.
The choice of diameter principle of diversion pipe 10 in " steel cofferdam+diversion pipe mode ", with " the water conservancy diversion Tube Drain side of embodiment one
It is consistent in formula ".
" steel cofferdam+diversion pipe mode " does not cut off the water supply and replaces the construction method of gate, includes following below scheme: steel cofferdam 70
And diversion pipe 10 makes；Steel cofferdam 70 and the segmentation of diversion pipe 10 hang in gate shaft 40 and are placed in position；Steel cofferdam 70 assembles
Connection；The fixation of steel cofferdam 70 and gap plugging；Diversion pipe 10 penetrates gate doorframe in diversion pipe 10 before connecting；Diversion pipe 10
Integral position adjusts and installs underlying holder；Steel cofferdam 70 is connect with diversion pipe 10；Diversion pipe 10 and former pipeline enclosure gap are latent
Water seal stifled 30；Remaining water in cofferdam 70 is taken out after plug maintenance；Into the next step gate installation stage.
70 height of cofferdam is related with bottom depth, scene inflow Q and 10 caliber D of diversion pipe, the weight of usual diversion pipe 10
Force flow flow velocity is 1m/s, and water conservancy diversion bore is selected to must assure that the water inlet of gate shaft 40 by (Q=3.14* (D/2) 2*1), guarantees lock
Not ponding in door well 40, otherwise 40 water of gate shaft can overflow across the entrance of steel cofferdam 70, influence gate replacement construction.Steel cofferdam 70
Height is generally shaft bottom to gate guide height, if 40 upper inlet width of gate shaft is inadequate, steel cofferdam 70 can be with
Segmental machining is put into well again assembled.
The shape in cofferdam 70 generally uses arc-shaped, and structural strength can be enhanced, also according to the 40 practical shape in scene of gate shaft
Shape also can choose rectangular or polygon.Steel cofferdam 70 uses steel plate and section steel manufacture, and keel use 10# channel steel, water blocking
Plate uses contact surface after 6~10 steel plates, with gate shaft 40 to paste soft rubber band, is used for sealing.
Under 40 entrance of gate shaft generally all compares, when steel cofferdam 70 is installed, sectional well inner tissue, when underground work,
By mounting technique, personnel on site is instructed, and by teams and groups' downhole operations of diving under water, in well after the completion of assembly, then cofferdam 70 is moved on to and is needed to change
Gate immediately ahead of, be adjacent to cofferdam 70 as much as possible with pool wall and bottom of pond, upper end is simply fixed with expansion bolt.Pacify in cofferdam 70
After dress, diversion pipe 10 and 70 spare interface flanged joint of cofferdam are got up.After diversion pipe 10 is installed, then by diving under water
On the outside of 10 sealing piece of diversion pipe, closure method is taken, diversion pipe 10 is supported, while also guaranteeing that 10 outflow water of diversion pipe is led
It flow in cofferdam 70, apart from the gap sealing piece 10cm preferably at closure, can not shut completely, diversion pipe 10 is allowed to have certain activity empty
Between.After the above preparation is finished, using big flow water pump in a short time by Yu Shui is exhausted (at label 71) in cofferdam, pass through
Cofferdam 70 is pressed on pool wall and bottom of pond by hydraulic pressure, finally reexamines the leak case in cofferdam 70, then takes diving brick by diver
Leakage point is blocked by the form of envelope.After cofferdam 70 is water-tight, gap between diversion pipe 10 and outlet conduit 24 is sealed off, makes to apply
The anhydrous entrance of work work surface can enter next step gate in this way and replace link.
In embodiment one and embodiment two, when gate normal mounting, doorframe is first installed, then door body is installed, lock is finally installed
Door guide rail, and headstock gear and connection wire rod are installed, by trial operation, without card resistance phenomenon, gate closes on earth gate, sealing surface seam
Gap must be uniform, then carries out back-grouting to doorframe, since former built-in fitting and former gate connect together, when removing former gate,
It is most of all to fall off, it cannot reuse, gate fixing bolt is fixed using stainless steel chemical bolt, and bolt material is
Stainless steel 304, model M24*480 (Sina appraises and decides specification), doorframe and guide rail grouting position, bar planting (14mm), bar planting spacing
It is double for 15cm, it longitudinally ties up and knits reinforcing bar (14mm).
Gate installation period length depends primarily on the concrete length of time of back-grouting, when in order to shorten gate replacement
Between and guarantee grouting quality, gate grouting concrete use dedicated grouting material (H-80 High Strength Non-shrinking Filling Material), this injection material
Material has the characteristics that high flowability, ungauged regions are strong early, high-strength, good from close performance；And reliable in quality, it can reach in 10 hours
Final set effect.
Product performance index:
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (9)
- The device of replacement disengaging sluice gate 1. one kind is not cut off the water supply, which is characterized in thatEquipped with diversion pipe flow guiding structure: the water inlet line of gate shaft, gate shaft, gate shaft outlet conduit in, continuously set It is equipped with diversion pipe；Gate doorframe is equipped on the diversion pipe；Gap, diversion pipe and water outlet between diversion pipe and water inlet line Gap between pipeline, is blocked by plugging part respectively；The water inlet of gate shaft is sent along diversion pipe to pump house area or water outlet Mouthful；Alternatively, be equipped with cofferdam add diversion pipe flow guiding structure: cofferdam is set in gate shaft, faces gate to be replaced, with go out The gate shaft on waterpipe entrance periphery is in close contact；Diversion pipe is provided in outlet conduit to connect with cofferdam；The diversion pipe On be equipped with gate doorframe；Gap between diversion pipe and outlet conduit, is blocked by plugging part；The water inlet of gate shaft It send along diversion pipe to pump house area or water outlet.
- 2. the device for replacement disengaging sluice gate of not cutting off the water supply as described in claim 1, which is characterized in thatWater inlet line corresponding with the diversion pipe flow guiding structure is single, and water inlet line, outlet conduit are in same absolute altitude；The corresponding water inlet line of diversion pipe flow guiding structure is added to have one or more and/or water inlet line, outlet pipe with the cofferdam Road is not at same absolute altitude；Add the caliber of the corresponding diversion pipe of diversion pipe flow guiding structure with the diversion pipe flow guiding structure or cofferdam, so that diversion pipe The mistake crossing water section be not less than all water inlet lines of the flow not less than 50% or diversion pipe of the flow of all water inlet lines The 50% of water section.
- 3. the device for replacement disengaging sluice gate of not cutting off the water supply as described in claim 1, which is characterized in thatThe diversion pipe corresponding with the diversion pipe flow guiding structure is steel pipe；The diversion pipe is segmental structure, mutually with method Orchid connection；The steel bracket supported to it is equipped with below the diversion pipe；The corresponding diversion pipe of diversion pipe flow guiding structure is added to be steel pipe with the cofferdam, described diversion pipe one end is equipped with flange and cofferdam Spare interface flange be connected；The steel bracket supported to it is equipped with below the diversion pipe.
- 4. the device for replacement disengaging sluice gate of not cutting off the water supply as described in claim 1, which is characterized in thatThe shape in the cofferdam is arc-shaped or rectangular or polygon；The cofferdam is overall structure either sectional Structure；The cofferdam is steel, includes keel made of water fender made of steel plate and fashioned iron；The keel use 10# slot Steel, the water fender use 6~10 steel plates；The contact surface of gate shaft by the cofferdam and outlet conduit entrance is equipped with sealing and uses Soft rubber band；The height in the cofferdam, corresponding to the height above shaft bottom to gate guide；The cofferdam is adjacent to pool wall and bottom of pond, on End is fixed with expansion bolt.
- 5. the device for replacement disengaging sluice gate of not cutting off the water supply as described in claim 1, which is characterized in thatIt is corresponding with the diversion pipe flow guiding structure, is at least penetrating into water inlet line, surround on the diversion pipe in outlet conduit It is provided with seal ring；Add the corresponding plugging part of diversion pipe flow guiding structure with the cofferdam, on diversion pipe outside the sealing piece of setting Side, and be separated at a distance from setting between the sealing piece；Add the corresponding plugging part of diversion pipe flow guiding structure with the diversion pipe flow guiding structure or the cofferdam, comprising layer by layer The guidance tape paved, and the viscous mixed soil of the specified thickness between adjacent guidance tape and between guidance tape and pipeline wall surface is set；It is described Viscous mixed soil is the mixture of cement, yellow mud, fast drying prescription；Nail builds the rake that falls at a row interval between at the top of the guidance tape and pipeline The tip；The viscous mixed soil is arranged between the rake tip or falls on the rake tip.
- 6. one kind is not cut off the water supply, the method for replacement disengaging sluice gate, uses replacement of not cutting off the water supply described in any one of claim 1-5 Pass in and out the device of sluice gate, which is characterized in that the method includesThe following below scheme implemented using diversion pipe flow guiding structure:Each segmentation of diversion pipe, which is hung in gate shaft, to be placed in position；Each segmentation of diversion pipe is connected, wherein final stage water conservancy diversion Before pipe connection, gate doorframe is through on diversion pipe；After connecting final section diversion pipe, diversion pipe integral position is adjusted, and Installation underlying holder is supported；Gap between diversion pipe and water inlet line, outlet conduit, which is dived under water, to be blocked；It is taken out after plug maintenance Fall Yu Shui；Into the gate installation stage；Alternatively, the following below scheme for adding diversion pipe flow guiding structure to implement using cofferdam:Each segmentation of cofferdam and diversion pipe, which is hung in gate shaft, to be placed in position；Cofferdam assembly and connection；Cofferdam is fixed, and by cofferdam with Gap plugging by outlet conduit entrance between gate shaft contact surface；Before diversion pipe is connect with cofferdam, gate doorframe is through and is led In flow tube；The adjustment of diversion pipe integral position, and underlying holder is installed and is supported；Cofferdam is connect with diversion pipe；Diversion pipe with go out Gap between waterpipe, which is dived under water, to be blocked；Remaining water in cofferdam is taken out after plug maintenance；Into the gate installation stage.
- 7. the method for replacement disengaging sluice gate of not cutting off the water supply as claimed in claim 6, which is characterized in thatWhen carrying out gap plugging, diver, which enters, blocks orientation in gate shaft, is first fished out clearly to the rubbish in blocking pipe orientation, Then use cement: yellow mud: the viscous mixed soil of fast drying prescription=1:2:0.1 blocks the guidance tape paved layer by layer, below diversion pipe Start to block, gradually upwards, finally close up right above diversion pipe, and carries out plug maintenance；First smear one layer of viscous mixed soil in tube bottom face when making basis, then it is thorough on it build guidance tape, between guidance tape and guidance tape or guidance tape with 2-3 centimeters of viscous mixed soil are equipped between pipeline wall surface；The width of the bottom of foundation is not less than the width of 2 bricks, and the size with caliber Match with water level；When guidance tape is built at the top of pipeline, at the top of the guidance tape and pipeline between nail build a row and fall to harrow the tip, nail is built repeatedly at interval, directly Until clenching, then fall between the rake tip or smear thereon, fill in it is viscous mixed native.
- 8. the method for replacement disengaging sluice gate of not cutting off the water supply as claimed in claim 6, which is characterized in thatDuring using cofferdam plus diversion pipe flow guiding structure, the cofferdam height and bottom depth, scene inflow Q and water conservancy diversion The caliber D of pipe is adapted；The gravity stream flow velocity of diversion pipe is 1m/s, and the water conservancy diversion bore of selection makes the water inlet of gate shaft meet Q= 3.14*(D/2)2*1；When cofferdam is installed, by diver by after each segmented assembly in well, then cofferdam is moved on to immediately ahead of the gate needed to change, made Cofferdam is adjacent to pool wall and bottom of pond, and upper end is fixed with expansion bolt；After cofferdam is installed, by the spare interface flanged joint of the flange of diversion pipe and cofferdam；After diversion pipe is installed, diver takes closure method, diversion pipe is supported on the outside of the sealing piece of diversion pipe Come, the water for flowing out diversion pipe is flow in cofferdam, apart from the gap sealing piece 10cm at closure, and is not exclusively shut, is made diversion pipe There is certain activity space；Water remaining in cofferdam is exhausted using water pump, cofferdam is pressed on pool wall and bottom of pond by hydraulic pressure；Check the leakage feelings in cofferdam Condition, then take the form of diving brick envelope to block by leakage point by diver；After cofferdam is water-tight, by diversion pipe and outlet conduit Between gap block fall, after making the anhydrous entrance of operation side, into the gate installation stage.
- 9. the method for replacement disengaging sluice gate of not cutting off the water supply as claimed in claim 6, which is characterized in thatWhen gate installation, successively doorframe, door body, gate guide, and headstock gear and connection wire rod are installed；Pass through trial operation, it is ensured that without card resistance phenomenon, gate closes on earth gate, after sealing surface gap is uniform, carries out to doorframe secondary Grouting；Gate is fixed with stainless steel chemical bolt；Doorframe and guide rail grouting position bar planting；Gate grouting concrete uses the high-strength nothing of H-80 Shrinkage grouting filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811387887.9A CN109339215B (en) | 2018-11-21 | 2018-11-21 | Device and method for replacing water inlet and outlet gates without water interruption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811387887.9A CN109339215B (en) | 2018-11-21 | 2018-11-21 | Device and method for replacing water inlet and outlet gates without water interruption |
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| Publication Number | Publication Date |
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| CN109339215A true CN109339215A (en) | 2019-02-15 |
| CN109339215B CN109339215B (en) | 2024-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811387887.9A Active CN109339215B (en) | 2018-11-21 | 2018-11-21 | Device and method for replacing water inlet and outlet gates without water interruption |
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| Country | Link |
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| CN (1) | CN109339215B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004957A (en) * | 2019-04-02 | 2019-07-12 | 武大巨成结构股份有限公司 | A kind of underwater prestress steel cofferdam device of lowering heartn type for active well of fetching water |
| CN110004958A (en) * | 2019-04-02 | 2019-07-12 | 武大巨成结构股份有限公司 | A kind of underwater prestress steel cofferdam device of bottom sky formula for active well of fetching water |
| CN112609806A (en) * | 2020-12-04 | 2021-04-06 | 中国建筑第八工程局有限公司 | New and old pump station communication method |
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| JP2005009274A (en) * | 2003-06-16 | 2005-01-13 | Nakamura Tekko Kk | Diversion gate of weir |
| CN101824814A (en) * | 2010-05-19 | 2010-09-08 | 葛洲坝集团第一工程有限公司 | Method for plugging diversion tunnel without cutoff by using cast-in-place reinforced concrete gate and gate |
| CN204081052U (en) * | 2014-10-23 | 2015-01-07 | 重庆大学 | The efficient catchpit of a kind of urban rainfall runoff |
| KR20170092082A (en) * | 2016-02-02 | 2017-08-10 | 정문비 | Roller gate having dual structure with hinge joint and operating machine |
| CN209703677U (en) * | 2018-11-21 | 2019-11-29 | 上海市城市排水有限公司竹园第一污水输送分公司 | Replacement of not cutting off the water supply passes in and out the device of sluice gate |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005009274A (en) * | 2003-06-16 | 2005-01-13 | Nakamura Tekko Kk | Diversion gate of weir |
| CN101824814A (en) * | 2010-05-19 | 2010-09-08 | 葛洲坝集团第一工程有限公司 | Method for plugging diversion tunnel without cutoff by using cast-in-place reinforced concrete gate and gate |
| CN204081052U (en) * | 2014-10-23 | 2015-01-07 | 重庆大学 | The efficient catchpit of a kind of urban rainfall runoff |
| KR20170092082A (en) * | 2016-02-02 | 2017-08-10 | 정문비 | Roller gate having dual structure with hinge joint and operating machine |
| CN209703677U (en) * | 2018-11-21 | 2019-11-29 | 上海市城市排水有限公司竹园第一污水输送分公司 | Replacement of not cutting off the water supply passes in and out the device of sluice gate |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004957A (en) * | 2019-04-02 | 2019-07-12 | 武大巨成结构股份有限公司 | A kind of underwater prestress steel cofferdam device of lowering heartn type for active well of fetching water |
| CN110004958A (en) * | 2019-04-02 | 2019-07-12 | 武大巨成结构股份有限公司 | A kind of underwater prestress steel cofferdam device of bottom sky formula for active well of fetching water |
| CN110004958B (en) * | 2019-04-02 | 2022-08-26 | 武大巨成结构股份有限公司 | Bottom-hollow type underwater prestressed steel cofferdam device for water taking working well |
| CN112609806A (en) * | 2020-12-04 | 2021-04-06 | 中国建筑第八工程局有限公司 | New and old pump station communication method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109339215B (en) | 2024-07-26 |
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