CN108532975A - A kind of early curing device and method of cast-in-place concrete metope - Google Patents
A kind of early curing device and method of cast-in-place concrete metope Download PDFInfo
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- CN108532975A CN108532975A CN201810324832.7A CN201810324832A CN108532975A CN 108532975 A CN108532975 A CN 108532975A CN 201810324832 A CN201810324832 A CN 201810324832A CN 108532975 A CN108532975 A CN 108532975A
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- feed pipe
- water outlet
- shaped steel
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/246—Safety or protective measures preventing damage to building parts or finishing work during construction specially adapted for curing concrete in situ, e.g. by covering it with protective sheets
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The present invention provides a kind of early curing device of cast-in-place concrete metope, the device includes feed pipe, the side wall of feed pipe posts and fixes the inner corner trim mould madial wall at the top of concrete walls, and feed pipe side wall in the fit area of inner corner trim mould madial wall there is the water outlet parallel with feed pipe central shaft to stitch；Arc opening is offered on another tube wall side opposite with tube wall side where water outlet seam of feed pipe；The valve of water outlet seam can be opened/close by being equipped in feed pipe, the valve includes arc-shaped steel plate and is fixed on arc-shaped steel plate and handle that free end is stretched out from arc opening, the outer wall of arc-shaped steel plate is bonded setting with the inner wall of feed pipe, cylinder is overlapped with the central axis of cylinder where feed pipe where arc-shaped steel plate, and arc-shaped steel plate has the surface area that water outlet seam can be completely covered.Apparatus of the present invention can realize that the early stage of concrete wall surface before form removal conserves in advance, effectively prevent the generation and development of the concrete surface crack caused by early curing is not in place.
Description
Technical field
The present invention relates to municipal works and the realm of building construction, and in particular to a kind of early curing of cast-in-place concrete metope
Device and method.
Background technology
Currently in construction, general concrete, which pours, just to need to support concrete progress moisturizing in rear certain time
Shield, prevents from cracking.Intensity as the vertical concrete component such as the wall of load-bearing in concrete structure and column is Site quality control
Key, therefore, maintenance especially form removal before most important to the early curing of this kind of component.Construction site is to this kind of at present
The most of artificial water seasoning later using form removal of maintenance of component or Moisture conservation maintenance, are not achieved early curing
Effect.And for horizontal member, the method that additional plastic covering film water conservation of watering may be used as concrete slab is supported
Plastic film package water-preserving curing may be used in shield, concrete column, and effect is also more satisfactory.But for concrete walls, both without
Image of Buddha pillar is equally wrapped up, and is also easy to carry out surface Moisture conservation maintenance unlike concrete slab, construction is existing at present
Field has to after wall form removal the maintenance of wall, especially interior wall, using artificial water seasoning, or brushes maintenance
Agent.The problems such as this maintenance process is not uneven there is only conserving, waste water resource, and maintenance meeting is carried out after the completion of form removal again
It causes maintenance not in time, causes metope crack occur, influence the undergrounds such as wall quality, especially basement and underground pipe gallery
There is crack and may result in infiltration to cause huge loss in the wall of structure.
Invention content
The problem of present invention is conserved for above-mentioned metope, provides a kind of early curing of cast-in-place concrete metope
Device and method.To solve the above problems, the technical solution adopted by the present invention is as follows：
A kind of early curing device of cast-in-place concrete metope, it is characterised in that：
Including more feed pipes connected in sequence, the side wall of feed pipe posts and fixes the inner corner trim mould at the top of concrete walls
Madial wall, feed pipe side wall in the fit area of inner corner trim mould madial wall there is the water outlet parallel with feed pipe central shaft to stitch, go out
Water seam is used as the channel that the water in feed pipe reaches the inner corner trim mould other side；
Arc opening is offered on another tube wall side opposite with tube wall side where water outlet seam of feed pipe；
The valve of water outlet seam can be opened/close by being equipped in feed pipe；
Valve includes arc-shaped steel plate and is fixed on arc-shaped steel plate and handle that free end is stretched out from arc opening, circular arc
The outer wall of shape steel plate is bonded setting with the inner wall of feed pipe, the central shaft of cylinder and cylinder where feed pipe where arc-shaped steel plate
Line overlaps, and arc-shaped steel plate has the surface area that water outlet seam can be completely covered；When handle drive arc-shaped steel plate rotate to
Water outlet seam is closed when covering water outlet seam, when to drive arc-shaped steel plate to rotate open-minded to water outlet seam when not covering water outlet seam for handle.
In above-mentioned curing means, arc length L0, the diameter R of arc-shaped steel plate are set, the perimeter C of feed pipe goes out on feed pipe
The arc length L1 of water seam, the arc length L2 of arc opening on feed pipe, fixation site and the arc-shaped steel plate of arc-shaped steel plate upper handle
Arc length between lower edge is L3, and it is L4 that the arc length between edge is sewed in arc opening lower edge and water outlet, arc opening upper limb with
Arc length between water outlet seam lower edge is L5, and above-mentioned parameter meets following relationship：
π R/2≤L0≤C-L1, wherein π are pi；
L1≤L2；
L4 ＜ L3 ＜ L5.
In above-mentioned curing means, arc length L0, the diameter R of arc-shaped steel plate are set, the perimeter C of feed pipe goes out on feed pipe
The arc length L1 of water seam, the arc length L2 of arc opening on feed pipe, fixation site and the arc-shaped steel plate of arc-shaped steel plate upper handle
Arc length between upper edge is L3, and the arc length between arc opening upper limb and water outlet seam lower edge is L4, arc opening lower edge with
It is L5 that the arc length between edge is sewed in water outlet, and above-mentioned parameter meets following relationship：
π R/2≤L0≤C-L1, wherein π are pi；
L1≤L2；
L4 ＜ L3 ＜ L5.
In above-mentioned curing means, the water outlet seam threshold value water supply tube end 5-10cm on feed pipe.
In above-mentioned curing means, the tie point of handle and curved plate is arranged at the 1/3 of curved plate arc length；Arc is opened
The water pipe longitudinal center line of mouth and the water pipe longitudinal center line of water outlet seam are arranged about centre of conduit's axisymmetrical.
In above-mentioned curing means, the outer diameter of the arc length 60mm of arc-shaped steel plate, arc-shaped steel plate are 30mm, thickness 2mm；
The arc length of water outlet seam is 2mm；
Water supply bore is 30mm；
Arc opening arc length on feed pipe is 30mm, wide 15mm.
In above-mentioned curing means, handle is the round steel of diameter 10mm, and long 120mm is welded with curved plate.
In above-mentioned curing means, the adjacent feed pipe for being located at non-corner is connected by both ends open and close type quick coupling, position
In corner, adjacent feed pipe is connected by corner coupling head.
In above-mentioned curing means, it is equipped with and the matched rubber washer of arc opening shape on the inside of the arc opening of feed pipe.
A kind of maintenance process of the early curing device based on cast-in-place concrete metope described in claim 1, feature exist
In including the following steps：
Step 1, inner corner trim mould and feed pipe are installed, the installation of the early curing device of cast-in-place concrete metope is completed；
Step 2, valve is pushed to close water outlet seam；
Step 3, casting concrete wall；
Step 4, it loosens the mold；
Step 5, valve is pushed to open water outlet seam；
Step 6, water source is connected；
Step 7, start to conserve；
Step 8, it when needing to terminate maintenance, cuts off the water supply, valve is pushed to close water outlet seam.
Compared with prior art, the present invention haing the following advantages：
1. metope curing means provided by the invention so that not form removal can start to support after the completion of concrete walls pour
Shield can realize that the early stage of concrete wall surface before form removal conserves in advance, can effectively prevent caused by early curing is not in place
The generation and development of concrete surface crack, are effectively guaranteed construction quality；
2. metope curing means provided by the invention realizes out water curing control by the special tectonic of special feed pipe,
Work efficiency is high, convenient and quick construction；
3. curing means provided by the invention and method efficiently solve the knots such as basement, subway, city integrated piping lane
The early stage of the early stage curing in the mold of structure metope especially interior wall, the long wall type concrete wall surface larger especially suitable for area supports
Shield；
4. the feed pipe of curing means of the present invention elongated arrangement on inner corner trim mould, and pass through special valve and water outlet seam control
Maintenance water not only ensure that metope maintenance was uniform, but also can save water resource；
5. outlet pipe is combined integral with template in curing means of the present invention, quick and easy for installation, labor can be effectively saved
Power；
6. maintenance process provided by the present invention can be installed to the moulds such as exterior wall, column, shear wall according to on-site actual situations
At the top of plate, the early curing before all kinds of vertical member form removals is realized.
Description of the drawings
Fig. 1 is 1 curing means structural schematic diagram of embodiment；
Fig. 2 is 1 curing means service branch structure schematic diagram of embodiment；
Fig. 3 is the handle part structural schematic diagram of 1 curing means outlet pipe of embodiment；
Fig. 4 be 1 curing means valve of embodiment open/close schematic diagram；(a) it is valve opening state；(b) it is that valve closes
Closed state；
Fig. 5 is 1 curing means scheme of installation of embodiment.
Description of the drawings：1- inner corner trim moulds；1a- inner corner trim mould floors；2- feed pipes；3- water outlet seams；4- arc openings；5- is arc-shaped
Steel plate；6- handles；The open and close type quick coupling of the both ends 7-；8- rubber washers.
Specific implementation mode
Understand for the ease of those of ordinary skill in the art and implement the present invention, with reference to the accompanying drawings and embodiments to this hair
It is bright to be described in further detail, it should be appreciated that embodiment described herein is merely to illustrate and explain the present invention, and
It is not used in the restriction present invention.
Embodiment 1
A kind of early curing device of cast-in-place concrete metope, including more feed pipes 2 connected in sequence, feed pipe 2
Side wall posts and fixes 1 madial wall of inner corner trim mould at the top of concrete walls, and 2 side wall of feed pipe is bonded with 1 madial wall of inner corner trim mould
It is used as the water in feed pipe 2 with the water outlet seam 3 parallel with 2 central shaft of feed pipe, water outlet seam 3 in region and reaches inner corner trim mould 1 separately
The channel of side；
Arc opening 4 is offered on another tube wall side opposite with water outlet 3 place tube wall sides of seam of feed pipe 2；
The valve of water outlet seam 3 can be opened/close by being equipped in feed pipe 2；
Valve includes arc-shaped steel plate 5 and is fixed on arc-shaped steel plate 5 and handle that free end is stretched out from arc opening 4,
The outer wall of arc-shaped steel plate 5 is bonded setting, 5 place cylinder of arc-shaped steel plate and 2 place cylinder of feed pipe with the inner wall of feed pipe 2
Central axis overlap, arc-shaped steel plate 5 have can be completely covered water outlet seam 3 surface area；When handle drive is arc-shaped
Steel plate 5 is discharged seam 3 when rotating to covering water outlet seam 3 and closes, when handle 6 drives the rotation of arc-shaped steel plate 5 to stitch 3 to water outlet is not covered
When water outlet seam it is 3 open-minded.
In above-mentioned apparatus, arc length L0, the diameter R of arc-shaped steel plate 5, the perimeter C of feed pipe 2,2 upper water-out of feed pipe are set
The arc length L1 of seam 3, the arc length L2 of arc opening 4 on feed pipe 2, fixation site and the arc-shaped steel of 5 upper handle 6 of arc-shaped steel plate
Arc length between 5 upper edge of plate is L3, and the arc length between 4 upper limb of arc opening and water outlet 3 lower edges of seam is L4, arc opening 4
Arc length between lower edge and water outlet 3 upper limbs of seam is L5, and above-mentioned parameter meets following relationship：
π R/2≤L0≤C-L1, wherein π are pi；
L1≤L2；
L4 ＜ L3 ＜ L5.
In above-mentioned apparatus, 3 threshold value feed pipe, 2 end 5-10cm is stitched in the water outlet on feed pipe 2；
Handle 6 and the tie point of curved plate are arranged at the 1/3 of curved plate arc length；The water pipe of arc opening 4 is axial
The water pipe longitudinal center line of center line and water outlet seam 3 is arranged about centre of conduit's axisymmetrical；
The arc length (L0) of arc-shaped steel plate 5 is 60mm, and 5 outer diameter of arc-shaped steel plate (R ＇) is 30mm, thickness 2mm；
It is 2mm that the arc length of water outlet seam 3, which is (L1),；
2 internal diameter of feed pipe is 30mm；
4 arc length of arc opening (L2) on feed pipe 2 is 30mm, wide 15mm；
Handle 6 is the round steel of diameter 10mm, and long 120mm is welded with curved plate.
In above-mentioned apparatus, the adjacent feed pipe 2 for being located at non-corner is connected by both ends open and close type quick coupling 7, is located at
The adjacent feed pipe in corner 2 is connected by corner coupling head.
In above-mentioned apparatus, 4 inside of the arc opening of feed pipe 2 is equipped with and the matched rubber washer of 4 shape of arc opening 8.
Embodiment 2
A kind of early curing device of cast-in-place concrete metope, including more feed pipes connected in sequence, the side of feed pipe
Wall posts and fixes the inner corner trim mould madial wall at the top of concrete walls, feed pipe side wall in the fit area of inner corner trim mould madial wall
It is stitched with the water outlet parallel with feed pipe central shaft, water outlet seam is used as the channel that the water in feed pipe reaches the inner corner trim mould other side；
Arc opening is offered on another tube wall side opposite with tube wall side where water outlet seam of feed pipe；
The valve of water outlet seam can be opened/close by being equipped in feed pipe；
Valve includes arc-shaped steel plate and is fixed on arc-shaped steel plate and handle that free end is stretched out from arc opening, circular arc
The outer wall of shape steel plate is bonded setting with the inner wall of feed pipe, the central shaft of cylinder and cylinder where feed pipe where arc-shaped steel plate
Line overlaps, and arc-shaped steel plate has the surface area that water outlet seam can be completely covered；When handle drive arc-shaped steel plate rotate to
Water outlet seam is closed when covering water outlet seam, when to drive arc-shaped steel plate to rotate open-minded to water outlet seam when not covering water outlet seam for handle.
In above-mentioned apparatus, arc length L0, the diameter R of arc-shaped steel plate, the perimeter C of feed pipe, feed pipe upper water-out seam are set
Arc length L1, the arc length L2 of arc opening on feed pipe, the fixation site of arc-shaped steel plate upper handle on the downside of arc-shaped steel plate
Arc length between edge is L3, and it is L4, arc opening upper limb and water outlet that the arc length between edge is sewed in arc opening lower edge and water outlet
The arc length stitched between lower edge is L5, and above-mentioned parameter meets following relationship：
π R/2≤L0≤C-L1, wherein π are pi；
L1≤L2；
L4 ＜ L3 ＜ L5.
In above-mentioned apparatus, the water outlet seam threshold value water supply tube end 5-10cm on feed pipe；
The tie point of handle and curved plate is arranged at the 1/3 of curved plate arc length；In the water pipe axial direction of arc opening
Heart line and the water pipe longitudinal center line of water outlet seam are arranged about centre of conduit's axisymmetrical；
The arc length (L0) of arc-shaped steel plate is 60mm, and arc-shaped steel plate outer diameter (R ＇) is 30mm, thickness 2mm；
It is 2mm that the arc length of water outlet seam, which is (L1),；
Water supply bore is 30mm；
Arc opening arc length (L2) on feed pipe is 30mm, wide 15mm；
Handle is the round steel of diameter 10mm, and long 120mm is welded with curved plate.
In above-mentioned apparatus, the adjacent feed pipe for being located at non-corner is connected by both ends open and close type quick coupling, is located at and is turned
Adjacent feed pipe is connected by corner coupling head at angle.
In above-mentioned apparatus, it is equipped with and the matched rubber washer of arc opening shape on the inside of the arc opening of feed pipe.
A kind of maintenance process based on embodiment 1, the early curing device of the 2 cast-in-place concrete metopes, including it is following
Step：
Step 1, inner corner trim mould and feed pipe are installed, the installation of the early curing device of cast-in-place concrete metope is completed：Water outlet
Pipe carries out installation fixation together with inner corner trim mould, inner corner trim mould splice position using both ends open and close type quick coupling by feed pipe connection,
Inner corner trim mould corner is connected feed pipe using corner coupling head, and is kept unimpeded；
Step 2, valve is pushed to close water outlet seam；
Step 3, casting concrete wall；
Step 4, it loosens the mold：It loosens the mold when concreting completion 24--36 is small, will generally fasten spiral shell to pull rod
Bolt pine 2--3 button, light activity template after rapping make between wall mould and metope that there are small gaps；
Step 5, valve is pushed to open water outlet seam；
Step 6, water source is connected, pressurization is supplied water；
Step 7, start to conserve：Curing water leaves along the gap of template and metope along metope from water outlet seam outflow, real
The curing in the mold of existing metope；During maintenance, catch pit is set in base plate vicinity, is sunk after maintenance is drained to catch pit with water
It forms sediment, recycles, save water resource；
Step 8, it when needing to terminate maintenance, cuts off the water supply, valve is pushed to close water outlet seam.
It should be understood that the above-mentioned description for preferred embodiment is more detailed, can not therefore be considered to this
The limitation of invention protection domain, those skilled in the art under the inspiration of the present invention, want not departing from right of the present invention
It asks under protected ambit, can also make replacement or deformation, each fall within protection scope of the present invention, of the invention asks
Ask protection domain that should be determined by the appended claims.
Claims (10)
1. a kind of early curing device of cast-in-place concrete metope, it is characterised in that：
Including more feed pipes connected in sequence, the side wall of feed pipe posts and fixes on the inside of the inner corner trim mould at the top of concrete walls
Wall, feed pipe side wall in the fit area of inner corner trim mould madial wall there is the water outlet parallel with feed pipe central shaft to stitch, water outlet seam
Reach the channel of the inner corner trim mould other side as the water in feed pipe；
Arc opening is offered on another tube wall side opposite with tube wall side where water outlet seam of feed pipe；
The valve of water outlet seam can be opened/close by being equipped in feed pipe；
Valve includes arc-shaped steel plate and is fixed on arc-shaped steel plate and handle that free end is stretched out from arc opening, arc-shaped steel
The outer wall of plate is bonded setting with the inner wall of feed pipe, the central axis weight of cylinder and cylinder where feed pipe where arc-shaped steel plate
It closes, arc-shaped steel plate has the surface area that water outlet seam can be completely covered；When handle drives arc-shaped steel plate to rotate to covering
Water outlet seam is closed when water outlet seam, when to drive arc-shaped steel plate to rotate open-minded to water outlet seam when not covering water outlet seam for handle.
2. a kind of early curing device of cast-in-place concrete metope according to claim 1, it is characterised in that：
Set arc length L0, the diameter R of arc-shaped steel plate, the perimeter C of feed pipe, the arc length L1 of feed pipe upper water-out seam, feed pipe
The arc length L2 of upper arc opening, the arc length between the fixation site of arc-shaped steel plate upper handle and arc-shaped steel plate lower edge are
It is L4, the arc length between arc opening upper limb and water outlet seam lower edge that the arc length between edge is sewed in L3, arc opening lower edge and water outlet
For L5, above-mentioned parameter meets following relationship：
π R/2≤L0≤C-L1, wherein π are pi；
L1≤L2；
L4 ＜ L3 ＜ L5.
3. a kind of early curing device of cast-in-place concrete metope according to claim 1, it is characterised in that：
Set arc length L0, the diameter R of arc-shaped steel plate, the perimeter C of feed pipe, the arc length L1 of feed pipe upper water-out seam, feed pipe
The arc length L2 of upper arc opening, the arc length between the fixation site of arc-shaped steel plate upper handle and arc-shaped steel plate upper edge are
L3, the arc length between arc opening upper limb and water outlet seam lower edge are L4, and the arc length between edge is sewed in arc opening lower edge and water outlet
For L5, above-mentioned parameter meets following relationship：
π R/2≤L0≤C-L1, wherein π are pi；
L1≤L2；
L4 ＜ L3 ＜ L5.
4. a kind of early curing device of cast-in-place concrete metope according to claim 2 or 3, it is characterised in that：
Water outlet seam threshold value water supply tube end 5-10cm on feed pipe.
5. a kind of early curing device of cast-in-place concrete metope according to claim 2 or 3, it is characterised in that：
The tie point of handle and curved plate is arranged at the 1/3 of curved plate arc length；The water pipe longitudinal center line of arc opening
It is arranged about centre of conduit's axisymmetrical with the water pipe longitudinal center line of water outlet seam.
6. a kind of early curing device of cast-in-place concrete metope according to claim 5, it is characterised in that：
The outer diameter of the arc length 60mm of arc-shaped steel plate, arc-shaped steel plate are 30mm, thickness 2mm；
The arc length of water outlet seam is 2mm；
Water supply bore is 30mm；
Arc opening arc length on feed pipe is 30mm, wide 15mm.
7. a kind of early curing device of cast-in-place concrete metope according to claim 2 or 3, it is characterised in that：
Handle is the round steel of diameter 10mm, and long 120mm is welded with curved plate.
8. a kind of early curing device of cast-in-place concrete metope according to claim 1, it is characterised in that：
Adjacent feed pipe positioned at non-corner is connected by both ends open and close type quick coupling, and it is logical to be located at the adjacent feed pipe in corner
Cross corner coupling head connection.
9. a kind of early curing device of cast-in-place concrete metope according to claim 1, it is characterised in that：
It is equipped with and the matched rubber washer of arc opening shape on the inside of the arc opening of feed pipe.
10. a kind of maintenance process of the early curing device based on cast-in-place concrete metope described in claim 1, feature exist
In including the following steps：
Step 1, inner corner trim mould and feed pipe are installed, the installation of the early curing device of cast-in-place concrete metope is completed；
Step 2, valve is pushed to close water outlet seam；
Step 3, casting concrete wall；
Step 4, it loosens the mold；
Step 5, valve is pushed to open water outlet seam；
Step 6, water source is connected；
Step 7, start to conserve；
Step 8, it when needing to terminate maintenance, cuts off the water supply, valve is pushed to close water outlet seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324832.7A CN108532975B (en) | 2018-04-12 | 2018-04-12 | Early maintenance device and method for cast-in-place concrete wall surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324832.7A CN108532975B (en) | 2018-04-12 | 2018-04-12 | Early maintenance device and method for cast-in-place concrete wall surface |
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| CN108532975A true CN108532975A (en) | 2018-09-14 |
| CN108532975B CN108532975B (en) | 2021-04-02 |
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| CN201333743Y (en) * | 2009-01-19 | 2009-10-28 | 朱炳喜 | Concrete heat-insulation and moisture-retention curing template |
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| CN103542114A (en) * | 2012-07-11 | 2014-01-29 | 上海建工五建集团有限公司 | Double-shutoff valve device applicable to press pouring of reinforced concrete |
| CN206072385U (en) * | 2016-08-28 | 2017-04-05 | 福建省华亿水处理工程技术有限公司 | Water channel white-out penstock |
| CN206159612U (en) * | 2016-09-30 | 2017-05-10 | 江苏沃尔夫机械有限公司 | Arc valve of adjustable flow |
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2018
- 2018-04-12 CN CN201810324832.7A patent/CN108532975B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201333743Y (en) * | 2009-01-19 | 2009-10-28 | 朱炳喜 | Concrete heat-insulation and moisture-retention curing template |
| CN202149236U (en) * | 2011-05-16 | 2012-02-22 | 天津二十冶建设有限公司 | Vertical hinged gate valve |
| CN103542114A (en) * | 2012-07-11 | 2014-01-29 | 上海建工五建集团有限公司 | Double-shutoff valve device applicable to press pouring of reinforced concrete |
| CN102927310A (en) * | 2012-11-06 | 2013-02-13 | 大连民族学院 | Faucet |
| CN102966242A (en) * | 2012-12-10 | 2013-03-13 | 中国建筑第八工程局有限公司 | Wall maintaining method based on automatic temperature measurement and temperature stress reduction |
| CN206072385U (en) * | 2016-08-28 | 2017-04-05 | 福建省华亿水处理工程技术有限公司 | Water channel white-out penstock |
| CN206159612U (en) * | 2016-09-30 | 2017-05-10 | 江苏沃尔夫机械有限公司 | Arc valve of adjustable flow |
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| Publication number | Publication date |
|---|---|
| CN108532975B (en) | 2021-04-02 |
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